Commit graph android_kernel_motorola_sm6375/include/asm-generic
Author SHA1 Message Date
Greg Kroah-Hartman
4bd8a3c04c This is the 5.4.190 stable release
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Merge 5.4.190 into android11-5.4-lts

Changes in 5.4.190
	memory: atmel-ebi: Fix missing of_node_put in atmel_ebi_probe
	net/sched: flower: fix parsing of ethertype following VLAN header
	veth: Ensure eth header is in skb's linear part
	gpiolib: acpi: use correct format characters
	mlxsw: i2c: Fix initialization error flow
	net/sched: fix initialization order when updating chain 0 head
	net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link
	net/sched: taprio: Check if socket flags are valid
	cfg80211: hold bss_lock while updating nontrans_list
	drm/msm/dsi: Use connector directly in msm_dsi_manager_connector_init()
	net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
	sctp: Initialize daddr on peeled off socket
	testing/selftests/mqueue: Fix mq_perf_tests to free the allocated cpu set
	nfc: nci: add flush_workqueue to prevent uaf
	cifs: potential buffer overflow in handling symlinks
	drm/amd: Add USBC connector ID
	drm/amd/display: fix audio format not updated after edid updated
	drm/amd/display: Update VTEM Infopacket definition
	drm/amdkfd: Fix Incorrect VMIDs passed to HWS
	drm/amdkfd: Check for potential null return of kmalloc_array()
	Drivers: hv: vmbus: Prevent load re-ordering when reading ring buffer
	scsi: target: tcmu: Fix possible page UAF
	scsi: ibmvscsis: Increase INITIAL_SRP_LIMIT to 1024
	net: micrel: fix KS8851_MLL Kconfig
	ata: libata-core: Disable READ LOG DMA EXT for Samsung 840 EVOs
	gpu: ipu-v3: Fix dev_dbg frequency output
	regulator: wm8994: Add an off-on delay for WM8994 variant
	arm64: alternatives: mark patch_alternative() as `noinstr`
	tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry
	net: usb: aqc111: Fix out-of-bounds accesses in RX fixup
	drm/amd/display: Fix allocate_mst_payload assert on resume
	powerpc: Fix virt_addr_valid() for 64-bit Book3E & 32-bit
	scsi: mvsas: Add PCI ID of RocketRaid 2640
	scsi: megaraid_sas: Target with invalid LUN ID is deleted during scan
	drivers: net: slip: fix NPD bug in sl_tx_timeout()
	perf/imx_ddr: Fix undefined behavior due to shift overflowing the constant
	mm, page_alloc: fix build_zonerefs_node()
	mm: kmemleak: take a full lowmem check in kmemleak_*_phys()
	gcc-plugins: latent_entropy: use /dev/urandom
	ath9k: Properly clear TX status area before reporting to mac80211
	ath9k: Fix usage of driver-private space in tx_info
	btrfs: remove unused variable in btrfs_{start,write}_dirty_block_groups()
	btrfs: mark resumed async balance as writing
	ALSA: hda/realtek: Add quirk for Clevo PD50PNT
	ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
	ipv6: fix panic when forwarding a pkt with no in6 dev
	drm/amd/display: don't ignore alpha property on pre-multiplied mode
	genirq/affinity: Consider that CPUs on nodes can be unbalanced
	tick/nohz: Use WARN_ON_ONCE() to prevent console saturation
	ARM: davinci: da850-evm: Avoid NULL pointer dereference
	dm integrity: fix memory corruption when tag_size is less than digest size
	smp: Fix offline cpu check in flush_smp_call_function_queue()
	i2c: pasemi: Wait for write xfers to finish
	dma-direct: avoid redundant memory sync for swiotlb
	ax25: add refcount in ax25_dev to avoid UAF bugs
	ax25: fix reference count leaks of ax25_dev
	ax25: fix UAF bugs of net_device caused by rebinding operation
	ax25: Fix refcount leaks caused by ax25_cb_del()
	ax25: fix UAF bug in ax25_send_control()
	ax25: fix NPD bug in ax25_disconnect
	ax25: Fix NULL pointer dereferences in ax25 timers
	ax25: Fix UAF bugs in ax25 timers
	Linux 5.4.190

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I375cb1d55a4a40c1c31b86c87ddb9235cefcb902
2022-04-21 14:13:50 +02:00
Steve Capper
4a24416796 tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry
[ Upstream commit 697a1d44af8ba0477ee729e632f4ade37999249a ]

tlb_remove_huge_tlb_entry only considers PMD_SIZE and PUD_SIZE when
updating the mmu_gather structure.

Unfortunately on arm64 there are two additional huge page sizes that
need to be covered: CONT_PTE_SIZE and CONT_PMD_SIZE. Where an end-user
attempts to employ contiguous huge pages, a VM_BUG_ON can be experienced
due to the fact that the tlb structure hasn't been correctly updated by
the relevant tlb_flush_p.._range() call from tlb_remove_huge_tlb_entry.

This patch adds inequality logic to the generic implementation of
tlb_remove_huge_tlb_entry s.t. CONT_PTE_SIZE and CONT_PMD_SIZE are
effectively covered on arm64. Also, as well as ptes, pmds and puds;
p4ds are now considered too.

Reported-by: David Hildenbrand <david@redhat.com>
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/linux-mm/811c5c8e-b3a2-85d2-049c-717f17c3a03a@redhat.com/
Signed-off-by: Steve Capper <steve.capper@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220330112543.863-1-steve.capper@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-20 09:19:37 +02:00
Greg Kroah-Hartman
56f5213db8 This is the 5.4.181 stable release
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Merge 5.4.181 into android11-5.4-lts

Changes in 5.4.181
	Makefile.extrawarn: Move -Wunaligned-access to W=1
	HID:Add support for UGTABLET WP5540
	Revert "svm: Add warning message for AVIC IPI invalid target"
	serial: parisc: GSC: fix build when IOSAPIC is not set
	parisc: Drop __init from map_pages declaration
	parisc: Fix data TLB miss in sba_unmap_sg
	parisc: Fix sglist access in ccio-dma.c
	btrfs: send: in case of IO error log it
	platform/x86: ISST: Fix possible circular locking dependency detected
	selftests: rtc: Increase test timeout so that all tests run
	net: ieee802154: at86rf230: Stop leaking skb's
	selftests/zram: Skip max_comp_streams interface on newer kernel
	selftests/zram01.sh: Fix compression ratio calculation
	selftests/zram: Adapt the situation that /dev/zram0 is being used
	ax25: improve the incomplete fix to avoid UAF and NPD bugs
	vfs: make freeze_super abort when sync_filesystem returns error
	quota: make dquot_quota_sync return errors from ->sync_fs
	nvme: fix a possible use-after-free in controller reset during load
	nvme-tcp: fix possible use-after-free in transport error_recovery work
	nvme-rdma: fix possible use-after-free in transport error_recovery work
	drm/amdgpu: fix logic inversion in check
	Revert "module, async: async_synchronize_full() on module init iff async is used"
	ftrace: add ftrace_init_nop()
	module/ftrace: handle patchable-function-entry
	arm64: module: rework special section handling
	arm64: module/ftrace: intialize PLT at load time
	iwlwifi: fix use-after-free
	drm/radeon: Fix backlight control on iMac 12,1
	ext4: check for out-of-order index extents in ext4_valid_extent_entries()
	ext4: check for inconsistent extents between index and leaf block
	ext4: prevent partial update of the extent blocks
	taskstats: Cleanup the use of task->exit_code
	dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending
	vsock: remove vsock from connected table when connect is interrupted by a signal
	mmc: block: fix read single on recovery logic
	iwlwifi: pcie: fix locking when "HW not ready"
	iwlwifi: pcie: gen2: fix locking when "HW not ready"
	netfilter: nft_synproxy: unregister hooks on init error path
	net: dsa: lan9303: fix reset on probe
	net: ieee802154: ca8210: Fix lifs/sifs periods
	ping: fix the dif and sdif check in ping_lookup
	bonding: force carrier update when releasing slave
	drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit
	bonding: fix data-races around agg_select_timer
	libsubcmd: Fix use-after-free for realloc(..., 0)
	ALSA: hda: Fix regression on forced probe mask option
	ALSA: hda: Fix missing codec probe on Shenker Dock 15
	ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw()
	ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range()
	powerpc/lib/sstep: fix 'ptesync' build error
	mtd: rawnand: gpmi: don't leak PM reference in error path
	block/wbt: fix negative inflight counter when remove scsi device
	NFS: LOOKUP_DIRECTORY is also ok with symlinks
	NFS: Do not report writeback errors in nfs_getattr()
	mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe()
	mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
	scsi: lpfc: Fix pt2pt NVMe PRLI reject LOGO loop
	EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
	lib/iov_iter: initialize "flags" in new pipe_buffer
	net: sched: limit TC_ACT_REPEAT loops
	dmaengine: sh: rcar-dmac: Check for error num after setting mask
	copy_process(): Move fd_install() out of sighand->siglock critical section
	i2c: brcmstb: fix support for DSL and CM variants
	Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
	KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
	ARM: OMAP2+: hwmod: Add of_node_put() before break
	ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of
	irqchip/sifive-plic: Add missing thead,c900-plic match string
	netfilter: conntrack: don't refresh sctp entries in closed state
	arm64: dts: meson-gx: add ATF BL32 reserved-memory region
	arm64: dts: meson-g12: add ATF BL32 reserved-memory region
	arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
	kconfig: let 'shell' return enough output for deep path names
	ata: libata-core: Disable TRIM on M88V29
	drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
	tracing: Fix tp_printk option related with tp_printk_stop_on_boot
	net: usb: qmi_wwan: Add support for Dell DW5829e
	net: macb: Align the dma and coherent dma masks
	kconfig: fix failing to generate auto.conf
	Linux 5.4.181

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I04d80cf2b662e4034c1fae761cc22b489305aef7
2022-02-23 12:17:54 +01:00
Mark Rutland
dfe928f16c module/ftrace: handle patchable-function-entry
commit a1326b17ac03a9012cb3d01e434aacb4d67a416c upstream.

When using patchable-function-entry, the compiler will record the
callsites into a section named "__patchable_function_entries" rather
than "__mcount_loc". Let's abstract this difference behind a new
FTRACE_CALLSITE_SECTION, so that architectures don't have to handle this
explicitly (e.g. with custom module linker scripts).

As parisc currently handles this explicitly, it is fixed up accordingly,
with its custom linker script removed. Since FTRACE_CALLSITE_SECTION is
only defined when DYNAMIC_FTRACE is selected, the parisc module loading
code is updated to only use the definition in that case. When
DYNAMIC_FTRACE is not selected, modules shouldn't have this section, so
this removes some redundant work in that case.

To make sure that this is keep up-to-date for modules and the main
kernel, a comment is added to vmlinux.lds.h, with the existing ifdeffery
simplified for legibility.

I built parisc generic-{32,64}bit_defconfig with DYNAMIC_FTRACE enabled,
and verified that the section made it into the .ko files for modules.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Helge Deller <deller@gmx.de>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Torsten Duwe <duwe@suse.de>
Tested-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Tested-by: Sven Schnelle <svens@stackframe.org>
Tested-by: Torsten Duwe <duwe@suse.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: linux-parisc@vger.kernel.org
Cc: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-23 11:59:56 +01:00
Greg Kroah-Hartman
fe0ed45e42 This is the 5.4.162 stable release
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Merge 5.4.162 into android11-5.4-lts

Changes in 5.4.162
	arm64: zynqmp: Do not duplicate flash partition label property
	arm64: zynqmp: Fix serial compatible string
	ARM: dts: NSP: Fix mpcore, mmc node names
	scsi: lpfc: Fix list_add() corruption in lpfc_drain_txq()
	arm64: dts: hisilicon: fix arm,sp805 compatible string
	RDMA/bnxt_re: Check if the vlan is valid before reporting
	usb: musb: tusb6010: check return value after calling platform_get_resource()
	usb: typec: tipd: Remove WARN_ON in tps6598x_block_read
	arm64: dts: qcom: msm8998: Fix CPU/L2 idle state latency and residency
	arm64: dts: freescale: fix arm,sp805 compatible string
	ASoC: SOF: Intel: hda-dai: fix potential locking issue
	clk: imx: imx6ul: Move csi_sel mux to correct base register
	ASoC: nau8824: Add DMI quirk mechanism for active-high jack-detect
	scsi: advansys: Fix kernel pointer leak
	firmware_loader: fix pre-allocated buf built-in firmware use
	ARM: dts: omap: fix gpmc,mux-add-data type
	usb: host: ohci-tmio: check return value after calling platform_get_resource()
	ARM: dts: ls1021a: move thermal-zones node out of soc/
	ARM: dts: ls1021a-tsn: use generic "jedec,spi-nor" compatible for flash
	ALSA: ISA: not for M68K
	tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc
	MIPS: sni: Fix the build
	scsi: target: Fix ordered tag handling
	scsi: target: Fix alua_tg_pt_gps_count tracking
	iio: imu: st_lsm6dsx: Avoid potential array overflow in st_lsm6dsx_set_odr()
	powerpc/5200: dts: fix memory node unit name
	ALSA: gus: fix null pointer dereference on pointer block
	powerpc/dcr: Use cmplwi instead of 3-argument cmpli
	sh: check return code of request_irq
	maple: fix wrong return value of maple_bus_init().
	f2fs: fix up f2fs_lookup tracepoints
	sh: fix kconfig unmet dependency warning for FRAME_POINTER
	sh: math-emu: drop unused functions
	sh: define __BIG_ENDIAN for math-emu
	clk: ingenic: Fix bugs with divided dividers
	clk/ast2600: Fix soc revision for AHB
	clk: qcom: gcc-msm8996: Drop (again) gcc_aggre1_pnoc_ahb_clk
	mips: BCM63XX: ensure that CPU_SUPPORTS_32BIT_KERNEL is set
	sched/core: Mitigate race cpus_share_cache()/update_top_cache_domain()
	tracing: Save normal string variables
	tracing/histogram: Do not copy the fixed-size char array field over the field size
	RDMA/netlink: Add __maybe_unused to static inline in C file
	perf bpf: Avoid memory leak from perf_env__insert_btf()
	perf bench futex: Fix memory leak of perf_cpu_map__new()
	perf tests: Remove bash construct from record+zstd_comp_decomp.sh
	net: bnx2x: fix variable dereferenced before check
	iavf: check for null in iavf_fix_features
	iavf: free q_vectors before queues in iavf_disable_vf
	iavf: Fix failure to exit out from last all-multicast mode
	iavf: prevent accidental free of filter structure
	iavf: validate pointers
	iavf: Fix for the false positive ASQ/ARQ errors while issuing VF reset
	MIPS: generic/yamon-dt: fix uninitialized variable error
	mips: bcm63xx: add support for clk_get_parent()
	mips: lantiq: add support for clk_get_parent()
	platform/x86: hp_accel: Fix an error handling path in 'lis3lv02d_probe()'
	scsi: core: sysfs: Fix hang when device state is set via sysfs
	net: sched: act_mirred: drop dst for the direction from egress to ingress
	net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove
	net: virtio_net_hdr_to_skb: count transport header in UFO
	i40e: Fix correct max_pkt_size on VF RX queue
	i40e: Fix NULL ptr dereference on VSI filter sync
	i40e: Fix changing previously set num_queue_pairs for PFs
	i40e: Fix ping is lost after configuring ADq on VF
	i40e: Fix creation of first queue by omitting it if is not power of two
	i40e: Fix display error code in dmesg
	NFC: reorganize the functions in nci_request
	drm/nouveau: hdmigv100.c: fix corrupted HDMI Vendor InfoFrame
	NFC: reorder the logic in nfc_{un,}register_device
	KVM: PPC: Book3S HV: Use GLOBAL_TOC for kvmppc_h_set_dabr/xdabr()
	perf/x86/intel/uncore: Fix filter_tid mask for CHA events on Skylake Server
	perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server
	s390/kexec: fix return code handling
	arm64: vdso32: suppress error message for 'make mrproper'
	tun: fix bonding active backup with arp monitoring
	hexagon: export raw I/O routines for modules
	ipc: WARN if trying to remove ipc object which is absent
	mm: kmemleak: slob: respect SLAB_NOLEAKTRACE flag
	x86/hyperv: Fix NULL deref in set_hv_tscchange_cb() if Hyper-V setup fails
	s390/kexec: fix memory leak of ipl report buffer
	udf: Fix crash after seekdir
	btrfs: fix memory ordering between normal and ordered work functions
	parisc/sticon: fix reverse colors
	cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
	drm/udl: fix control-message timeout
	drm/nouveau: use drm_dev_unplug() during device removal
	drm/i915/dp: Ensure sink rate values are always valid
	drm/amdgpu: fix set scaling mode Full/Full aspect/Center not works on vga and dvi connectors
	Revert "net: mvpp2: disable force link UP during port init procedure"
	perf/core: Avoid put_page() when GUP fails
	batman-adv: Consider fragmentation for needed_headroom
	batman-adv: Reserve needed_*room for fragments
	batman-adv: Don't always reallocate the fragmentation skb head
	ASoC: DAPM: Cover regression by kctl change notification fix
	usb: max-3421: Use driver data instead of maintaining a list of bound devices
	ice: Delete always true check of PF pointer
	tlb: mmu_gather: add tlb_flush_*_range APIs
	hugetlbfs: flush TLBs correctly after huge_pmd_unshare
	ALSA: hda: hdac_ext_stream: fix potential locking issues
	ALSA: hda: hdac_stream: fix potential locking issue in snd_hdac_stream_assign()
	Linux 5.4.162

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If121d473ee2cf6b0d464c9c8e72e4565b83dca5e
2021-11-26 11:38:38 +01:00
Peter Zijlstra (Intel)
e7891b22b2 tlb: mmu_gather: add tlb_flush_*_range APIs
commit 2631ed00b0498810f8d5c2163c6b5270d893687b upstream.

tlb_flush_{pte|pmd|pud|p4d}_range() adjust the tlb->start and
tlb->end, then set corresponding cleared_*.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Zhenyu Ye <yezhenyu2@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20200625080314.230-5-yezhenyu2@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 10:47:23 +01:00
Greg Kroah-Hartman
5395faca89 This is the 5.4.142 stable release
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Merge 5.4.142 into android11-5.4-lts

Changes in 5.4.142
	iio: adc: ti-ads7950: Ensure CS is deasserted after reading channels
	iio: humidity: hdc100x: Add margin to the conversion time
	iio: adc: Fix incorrect exit of for-loop
	ASoC: xilinx: Fix reference to PCM buffer address
	ASoC: intel: atom: Fix reference to PCM buffer address
	i2c: dev: zero out array used for i2c reads from userspace
	ceph: reduce contention in ceph_check_delayed_caps()
	ACPI: NFIT: Fix support for virtual SPA ranges
	libnvdimm/region: Fix label activation vs errors
	ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi
	ieee802154: hwsim: fix GPF in hwsim_new_edge_nl
	ASoC: cs42l42: Correct definition of ADC Volume control
	ASoC: cs42l42: Don't allow SND_SOC_DAIFMT_LEFT_J
	ASoC: cs42l42: Fix inversion of ADC Notch Switch control
	ASoC: cs42l42: Remove duplicate control for WNF filter frequency
	netfilter: nf_conntrack_bridge: Fix memory leak when error
	ASoC: cs42l42: Fix LRCLK frame start edge
	net: dsa: mt7530: add the missing RxUnicast MIB counter
	platform/x86: pcengines-apuv2: revert wiring up simswitch GPIO as LED
	platform/x86: pcengines-apuv2: Add missing terminating entries to gpio-lookup tables
	net: phy: micrel: Fix link detection on ksz87xx switch"
	ppp: Fix generating ifname when empty IFLA_IFNAME is specified
	net: sched: act_mirred: Reset ct info when mirror/redirect skb
	iavf: Set RSS LUT and key in reset handle path
	psample: Add a fwd declaration for skbuff
	net/mlx5: Fix return value from tracer initialization
	drm/meson: fix colour distortion from HDR set during vendor u-boot
	net: dsa: microchip: Fix ksz_read64()
	net: Fix memory leak in ieee802154_raw_deliver
	net: igmp: fix data-race in igmp_ifc_timer_expire()
	net: dsa: lan9303: fix broken backpressure in .port_fdb_dump
	net: dsa: lantiq: fix broken backpressure in .port_fdb_dump
	net: dsa: sja1105: fix broken backpressure in .port_fdb_dump
	net: bridge: fix memleak in br_add_if()
	net: linkwatch: fix failure to restore device state across suspend/resume
	tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
	net: igmp: increase size of mr_ifc_count
	xen/events: Fix race in set_evtchn_to_irq
	vsock/virtio: avoid potential deadlock when vsock device remove
	nbd: Aovid double completion of a request
	powerpc/kprobes: Fix kprobe Oops happens in booke
	x86/tools: Fix objdump version check again
	genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
	x86/msi: Force affinity setup before startup
	x86/ioapic: Force affinity setup before startup
	x86/resctrl: Fix default monitoring groups reporting
	genirq/msi: Ensure deactivation on teardown
	genirq/timings: Prevent potential array overflow in __irq_timings_store()
	PCI/MSI: Enable and mask MSI-X early
	PCI/MSI: Mask all unused MSI-X entries
	PCI/MSI: Enforce that MSI-X table entry is masked for update
	PCI/MSI: Enforce MSI[X] entry updates to be visible
	PCI/MSI: Do not set invalid bits in MSI mask
	PCI/MSI: Correct misleading comments
	PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
	PCI/MSI: Protect msi_desc::masked for multi-MSI
	KVM: VMX: Use current VMCS to query WAITPKG support for MSR emulation
	ceph: add some lockdep assertions around snaprealm handling
	ceph: clean up locking annotation for ceph_get_snap_realm and __lookup_snap_realm
	ceph: take snap_empty_lock atomically with snaprealm refcount change
	vmlinux.lds.h: Handle clang's module.{c,d}tor sections
	iommu/vt-d: Fix agaw for a supported 48 bit guest address width
	KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
	KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656)
	Linux 5.4.142

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I7df2f917694a7f6d1eefb220b57271612b026443
2021-08-27 16:27:13 +02:00
Nathan Chancellor
5b5f855a79 vmlinux.lds.h: Handle clang's module.{c,d}tor sections
commit 848378812e40152abe9b9baf58ce2004f76fb988 upstream.

A recent change in LLVM causes module_{c,d}tor sections to appear when
CONFIG_K{A,C}SAN are enabled, which results in orphan section warnings
because these are not handled anywhere:

ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_ctor) is being placed in '.text.asan.module_ctor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_dtor) is being placed in '.text.asan.module_dtor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.tsan.module_ctor) is being placed in '.text.tsan.module_ctor'

Fangrui explains: "the function asan.module_ctor has the SHF_GNU_RETAIN
flag, so it is in a separate section even with -fno-function-sections
(default)".

Place them in the TEXT_TEXT section so that these technologies continue
to work with the newer compiler versions. All of the KASAN and KCSAN
KUnit tests continue to pass after this change.

Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1432
Link: 7b78956224
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Fangrui Song <maskray@google.com>
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210731023107.1932981-1-nathan@kernel.org
[nc: Resolve conflict due to lack of cf68fffb66d60]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-08-18 08:57:04 +02:00
Greg Kroah-Hartman
8a9055976b This is the 5.4.126 stable release
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Merge 5.4.126 into android11-5.4-lts

Changes in 5.4.126
	proc: Track /proc/$pid/attr/ opener mm_struct
	ASoC: max98088: fix ni clock divider calculation
	spi: Fix spi device unregister flow
	net/nfc/rawsock.c: fix a permission check bug
	usb: cdns3: Fix runtime PM imbalance on error
	ASoC: Intel: bytcr_rt5640: Add quirk for the Glavey TM800A550L tablet
	ASoC: Intel: bytcr_rt5640: Add quirk for the Lenovo Miix 3-830 tablet
	vfio-ccw: Serialize FSM IDLE state with I/O completion
	ASoC: sti-sas: add missing MODULE_DEVICE_TABLE
	spi: sprd: Add missing MODULE_DEVICE_TABLE
	isdn: mISDN: netjet: Fix crash in nj_probe:
	bonding: init notify_work earlier to avoid uninitialized use
	netlink: disable IRQs for netlink_lock_table()
	net: mdiobus: get rid of a BUG_ON()
	cgroup: disable controllers at parse time
	wq: handle VM suspension in stall detection
	net/qla3xxx: fix schedule while atomic in ql_sem_spinlock
	RDS tcp loopback connection can hang
	scsi: bnx2fc: Return failure if io_req is already in ABTS processing
	scsi: vmw_pvscsi: Set correct residual data length
	scsi: hisi_sas: Drop free_irq() of devm_request_irq() allocated irq
	scsi: target: qla2xxx: Wait for stop_phase1 at WWN removal
	net: macb: ensure the device is available before accessing GEMGXL control registers
	net: appletalk: cops: Fix data race in cops_probe1
	net: dsa: microchip: enable phy errata workaround on 9567
	nvme-fabrics: decode host pathing error for connect
	MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER
	dm verity: fix require_signatures module_param permissions
	bnx2x: Fix missing error code in bnx2x_iov_init_one()
	nvme-tcp: remove incorrect Kconfig dep in BLK_DEV_NVME
	powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers
	powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers
	spi: Don't have controller clean up spi device before driver unbind
	spi: Cleanup on failure of initial setup
	i2c: mpc: Make use of i2c_recover_bus()
	i2c: mpc: implement erratum A-004447 workaround
	x86/boot: Add .text.* to setup.ld
	spi: bcm2835: Fix out-of-bounds access with more than 4 slaves
	drm: Fix use-after-free read in drm_getunique()
	drm: Lock pointer access in drm_master_release()
	kvm: avoid speculation-based attacks from out-of-range memslot accesses
	staging: rtl8723bs: Fix uninitialized variables
	btrfs: return value from btrfs_mark_extent_written() in case of error
	btrfs: promote debugging asserts to full-fledged checks in validate_super
	cgroup1: don't allow '\n' in renaming
	USB: f_ncm: ncm_bitrate (speed) is unsigned
	usb: f_ncm: only first packet of aggregate needs to start timer
	usb: pd: Set PD_T_SINK_WAIT_CAP to 310ms
	usb: dwc3: ep0: fix NULL pointer exception
	usb: musb: fix MUSB_QUIRK_B_DISCONNECT_99 handling
	usb: typec: wcove: Use LE to CPU conversion when accessing msg->header
	usb: typec: ucsi: Clear PPM capability data in ucsi_init() error path
	usb: gadget: f_fs: Ensure io_completion_wq is idle during unbind
	USB: serial: ftdi_sio: add NovaTech OrionMX product ID
	USB: serial: omninet: add device id for Zyxel Omni 56K Plus
	USB: serial: quatech2: fix control-request directions
	USB: serial: cp210x: fix alternate function for CP2102N QFN20
	usb: gadget: eem: fix wrong eem header operation
	usb: fix various gadgets null ptr deref on 10gbps cabling.
	usb: fix various gadget panics on 10gbps cabling
	regulator: core: resolve supply for boot-on/always-on regulators
	regulator: max77620: Use device_set_of_node_from_dev()
	usb: typec: mux: Fix copy-paste mistake in typec_mux_match
	RDMA/ipoib: Fix warning caused by destroying non-initial netns
	RDMA/mlx4: Do not map the core_clock page to user space unless enabled
	vmlinux.lds.h: Avoid orphan section with !SMP
	perf: Fix data race between pin_count increment/decrement
	sched/fair: Make sure to update tg contrib for blocked load
	KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message
	IB/mlx5: Fix initializing CQ fragments buffer
	NFS: Fix a potential NULL dereference in nfs_get_client()
	NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
	perf session: Correct buffer copying when peeking events
	kvm: fix previous commit for 32-bit builds
	NFS: Fix use-after-free in nfs4_init_client()
	NFSv4: Fix second deadlock in nfs4_evict_inode()
	NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error.
	scsi: core: Fix error handling of scsi_host_alloc()
	scsi: core: Fix failure handling of scsi_add_host_with_dma()
	scsi: core: Put .shost_dev in failure path if host state changes to RUNNING
	scsi: core: Only put parent device if host state differs from SHOST_CREATED
	ftrace: Do not blindly read the ip address in ftrace_bug()
	tracing: Correct the length check which causes memory corruption
	proc: only require mm_struct for writing
	Linux 5.4.126

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iea511f332bc11de7b8f23d08cf8a1c00095d2c6d
2021-06-16 12:25:39 +02:00
Nathan Chancellor
8aeb339571 vmlinux.lds.h: Avoid orphan section with !SMP
commit d4c6399900364facd84c9e35ce1540b6046c345f upstream.

With x86_64_defconfig and the following configs, there is an orphan
section warning:

CONFIG_SMP=n
CONFIG_AMD_MEM_ENCRYPT=y
CONFIG_HYPERVISOR_GUEST=y
CONFIG_KVM=y
CONFIG_PARAVIRT=y

ld: warning: orphan section `.data..decrypted' from `arch/x86/kernel/cpu/vmware.o' being placed in section `.data..decrypted'
ld: warning: orphan section `.data..decrypted' from `arch/x86/kernel/kvm.o' being placed in section `.data..decrypted'

These sections are created with DEFINE_PER_CPU_DECRYPTED, which
ultimately turns into __PCPU_ATTRS, which in turn has a section
attribute with a value of PER_CPU_BASE_SECTION + the section name. When
CONFIG_SMP is not set, the base section is .data and that is not
currently handled in any linker script.

Add .data..decrypted to PERCPU_DECRYPTED_SECTION, which is included in
PERCPU_INPUT -> PERCPU_SECTION, which is include in the x86 linker
script when either CONFIG_X86_64 or CONFIG_SMP is unset, taking care of
the warning.

Fixes: ac26963a11 ("percpu: Introduce DEFINE_PER_CPU_DECRYPTED")
Link: https://github.com/ClangBuiltLinux/linux/issues/1360
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com> # build
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210506001410.1026691-1-nathan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-16 11:59:44 +02:00
Greg Kroah-Hartman
172cf44d0d This is the 5.4.102 stable release
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Merge 5.4.102 into android11-5.4-lts

Changes in 5.4.102
	vmlinux.lds.h: add DWARF v5 sections
	kvm: x86: replace kvm_spec_ctrl_test_value with runtime test on the host
	debugfs: be more robust at handling improper input in debugfs_lookup()
	debugfs: do not attempt to create a new file before the filesystem is initalized
	kdb: Make memory allocations more robust
	PCI: qcom: Use PHY_REFCLK_USE_PAD only for ipq8064
	PCI: Decline to resize resources if boot config must be preserved
	virt: vbox: Do not use wait_event_interruptible when called from kernel context
	bfq: Avoid false bfq queue merging
	ALSA: usb-audio: Fix PCM buffer allocation in non-vmalloc mode
	MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section
	random: fix the RNDRESEEDCRNG ioctl
	ath10k: Fix error handling in case of CE pipe init failure
	Bluetooth: btqcomsmd: Fix a resource leak in error handling paths in the probe function
	Bluetooth: hci_uart: Fix a race for write_work scheduling
	Bluetooth: Fix initializing response id after clearing struct
	ARM: dts: exynos: correct PMIC interrupt trigger level on Artik 5
	ARM: dts: exynos: correct PMIC interrupt trigger level on Monk
	ARM: dts: exynos: correct PMIC interrupt trigger level on Rinato
	ARM: dts: exynos: correct PMIC interrupt trigger level on Spring
	ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa
	ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid XU3 family
	arm64: dts: exynos: correct PMIC interrupt trigger level on TM2
	arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso
	memory: mtk-smi: Fix PM usage counter unbalance in mtk_smi ops
	bpf: Add bpf_patch_call_args prototype to include/linux/bpf.h
	bpf: Avoid warning when re-casting __bpf_call_base into __bpf_call_base_args
	arm64: dts: allwinner: A64: properly connect USB PHY to port 0
	arm64: dts: allwinner: H6: properly connect USB PHY to port 0
	arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card
	arm64: dts: allwinner: H6: Allow up to 150 MHz MMC bus frequency
	arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz
	cpufreq: brcmstb-avs-cpufreq: Free resources in error path
	cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove()
	ACPICA: Fix exception code class checks
	usb: gadget: u_audio: Free requests only after callback
	Bluetooth: drop HCI device reference before return
	Bluetooth: Put HCI device if inquiry procedure interrupts
	memory: ti-aemif: Drop child node when jumping out loop
	ARM: dts: Configure missing thermal interrupt for 4430
	usb: dwc2: Do not update data length if it is 0 on inbound transfers
	usb: dwc2: Abort transaction after errors with unknown reason
	usb: dwc2: Make "trimming xfer length" a debug message
	staging: rtl8723bs: wifi_regd.c: Fix incorrect number of regulatory rules
	ARM: dts: armada388-helios4: assign pinctrl to LEDs
	ARM: dts: armada388-helios4: assign pinctrl to each fan
	arm64: dts: armada-3720-turris-mox: rename u-boot mtd partition to a53-firmware
	Bluetooth: btusb: Fix memory leak in btusb_mtk_wmt_recv
	arm64: dts: msm8916: Fix reserved and rfsa nodes unit address
	ARM: s3c: fix fiq for clang IAS
	soc: aspeed: snoop: Add clock control logic
	bpf_lru_list: Read double-checked variable once without lock
	ath9k: fix data bus crash when setting nf_override via debugfs
	ibmvnic: Set to CLOSED state even on error
	bnxt_en: reverse order of TX disable and carrier off
	xen/netback: fix spurious event detection for common event case
	mac80211: fix potential overflow when multiplying to u32 integers
	bpf: Fix bpf_fib_lookup helper MTU check for SKB ctx
	tcp: fix SO_RCVLOWAT related hangs under mem pressure
	net: axienet: Handle deferred probe on clock properly
	cxgb4/chtls/cxgbit: Keeping the max ofld immediate data size same in cxgb4 and ulds
	b43: N-PHY: Fix the update of coef for the PHY revision >= 3case
	ibmvnic: add memory barrier to protect long term buffer
	ibmvnic: skip send_request_unmap for timeout reset
	net: amd-xgbe: Reset the PHY rx data path when mailbox command timeout
	net: amd-xgbe: Fix NETDEV WATCHDOG transmit queue timeout warning
	net: amd-xgbe: Reset link when the link never comes back
	net: amd-xgbe: Fix network fluctuations when using 1G BELFUSE SFP
	net: mvneta: Remove per-cpu queue mapping for Armada 3700
	fbdev: aty: SPARC64 requires FB_ATY_CT
	drm/gma500: Fix error return code in psb_driver_load()
	gma500: clean up error handling in init
	drm/fb-helper: Add missed unlocks in setcmap_legacy()
	crypto: sun4i-ss - linearize buffers content must be kept
	crypto: sun4i-ss - fix kmap usage
	crypto: arm64/aes-ce - really hide slower algos when faster ones are enabled
	drm/amdgpu: Fix macro name _AMDGPU_TRACE_H_ in preprocessor if condition
	MIPS: c-r4k: Fix section mismatch for loongson2_sc_init
	MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0
	media: i2c: ov5670: Fix PIXEL_RATE minimum value
	media: imx: Unregister csc/scaler only if registered
	media: imx: Fix csc/scaler unregister
	media: camss: missing error code in msm_video_register()
	media: vsp1: Fix an error handling path in the probe function
	media: em28xx: Fix use-after-free in em28xx_alloc_urbs
	media: media/pci: Fix memleak in empress_init
	media: tm6000: Fix memleak in tm6000_start_stream
	media: aspeed: fix error return code in aspeed_video_setup_video()
	ASoC: cs42l56: fix up error handling in probe
	evm: Fix memleak in init_desc
	crypto: bcm - Rename struct device_private to bcm_device_private
	drm/sun4i: tcon: fix inverted DCLK polarity
	MIPS: properly stop .eh_frame generation
	bsg: free the request before return error code
	drm/amd/display: Fix 10/12 bpc setup in DCE output bit depth reduction.
	drm/amd/display: Fix HDMI deep color output for DCE 6-11.
	media: software_node: Fix refcounts in software_node_get_next_child()
	media: lmedm04: Fix misuse of comma
	media: qm1d1c0042: fix error return code in qm1d1c0042_init()
	media: cx25821: Fix a bug when reallocating some dma memory
	media: pxa_camera: declare variable when DEBUG is defined
	media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values
	sched/eas: Don't update misfit status if the task is pinned
	mtd: parser: imagetag: fix error codes in bcm963xx_parse_imagetag_partitions()
	crypto: talitos - Work around SEC6 ERRATA (AES-CTR mode data size error)
	drm/nouveau: bail out of nouveau_channel_new if channel init fails
	ata: ahci_brcm: Add back regulators management
	ASoC: cpcap: fix microphone timeslot mask
	mtd: parsers: afs: Fix freeing the part name memory in failure
	f2fs: fix to avoid inconsistent quota data
	drm/amdgpu: Prevent shift wrapping in amdgpu_read_mask()
	f2fs: fix a wrong condition in __submit_bio
	Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind()
	ASoC: SOF: debug: Fix a potential issue on string buffer termination
	btrfs: clarify error returns values in __load_free_space_cache
	hwrng: timeriomem - Fix cooldown period calculation
	crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key()
	ima: Free IMA measurement buffer on error
	ima: Free IMA measurement buffer after kexec syscall
	ASoC: simple-card-utils: Fix device module clock
	fs/jfs: fix potential integer overflow on shift of a int
	jffs2: fix use after free in jffs2_sum_write_data()
	ubifs: Fix memleak in ubifs_init_authentication
	ubifs: Fix error return code in alloc_wbufs()
	capabilities: Don't allow writing ambiguous v3 file capabilities
	HSI: Fix PM usage counter unbalance in ssi_hw_init
	clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL
	clk: meson: clk-pll: make "ret" a signed integer
	clk: meson: clk-pll: propagate the error from meson_clk_pll_set_rate()
	selftests/powerpc: Make the test check in eeh-basic.sh posix compliant
	quota: Fix memory leak when handling corrupted quota file
	i2c: iproc: handle only slave interrupts which are enabled
	i2c: iproc: update slave isr mask (ISR_MASK_SLAVE)
	i2c: iproc: handle master read request
	spi: cadence-quadspi: Abort read if dummy cycles required are too many
	clk: sunxi-ng: h6: Fix CEC clock
	HID: core: detect and skip invalid inputs to snto32()
	RDMA/siw: Fix handling of zero-sized Read and Receive Queues.
	dmaengine: fsldma: Fix a resource leak in the remove function
	dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
	dmaengine: owl-dma: Fix a resource leak in the remove function
	dmaengine: hsu: disable spurious interrupt
	mfd: bd9571mwv: Use devm_mfd_add_devices()
	fdt: Properly handle "no-map" field in the memory region
	of/fdt: Make sure no-map does not remove already reserved regions
	power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
	rtc: s5m: select REGMAP_I2C
	clocksource/drivers/ixp4xx: Select TIMER_OF when needed
	clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
	RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation
	clk: sunxi-ng: h6: Fix clock divider range on some clocks
	regulator: axp20x: Fix reference cout leak
	certs: Fix blacklist flag type confusion
	regulator: s5m8767: Fix reference count leak
	spi: atmel: Put allocated master before return
	regulator: s5m8767: Drop regulators OF node reference
	regulator: core: Avoid debugfs: Directory ... already present! error
	isofs: release buffer head before return
	auxdisplay: ht16k33: Fix refresh rate handling
	objtool: Fix error handling for STD/CLD warnings
	objtool: Fix ".cold" section suffix check for newer versions of GCC
	IB/umad: Return EIO in case of when device disassociated
	IB/umad: Return EPOLLERR in case of when device disassociated
	KVM: PPC: Make the VMX instruction emulation routines static
	powerpc/47x: Disable 256k page size
	mmc: sdhci-sprd: Fix some resource leaks in the remove function
	mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe
	mmc: renesas_sdhi_internal_dmac: Fix DMA buffer alignment from 8 to 128-bytes
	ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
	i2c: qcom-geni: Store DMA mapping data in geni_i2c_dev struct
	amba: Fix resource leak for drivers without .remove
	IB/mlx5: Return appropriate error code instead of ENOMEM
	IB/cm: Avoid a loop when device has 255 ports
	tracepoint: Do not fail unregistering a probe due to memory failure
	perf tools: Fix DSO filtering when not finding a map for a sampled address
	perf vendor events arm64: Fix Ampere eMag event typo
	RDMA/rxe: Fix coding error in rxe_recv.c
	RDMA/rxe: Fix coding error in rxe_rcv_mcast_pkt
	RDMA/rxe: Correct skb on loopback path
	spi: stm32: properly handle 0 byte transfer
	mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
	powerpc/pseries/dlpar: handle ibm, configure-connector delay status
	powerpc/8xx: Fix software emulation interrupt
	clk: qcom: gcc-msm8998: Fix Alpha PLL type for all GPLLs
	RDMA/hns: Fixed wrong judgments in the goto branch
	RDMA/siw: Fix calculation of tx_valid_cpus size
	RDMA/hns: Fix type of sq_signal_bits
	spi: pxa2xx: Fix the controller numbering for Wildcat Point
	regulator: qcom-rpmh: fix pm8009 ldo7
	clk: aspeed: Fix APLL calculate formula from ast2600-A2
	nfsd: register pernet ops last, unregister first
	RDMA/hns: Fixes missing error code of CMDQ
	Input: sur40 - fix an error code in sur40_probe()
	perf intel-pt: Fix missing CYC processing in PSB
	perf intel-pt: Fix premature IPC
	perf test: Fix unaligned access in sample parsing test
	Input: elo - fix an error code in elo_connect()
	sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
	misc: eeprom_93xx46: Fix module alias to enable module autoprobe
	phy: rockchip-emmc: emmc_phy_init() always return 0
	misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users
	soundwire: cadence: fix ACK/NAK handling
	pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare()
	VMCI: Use set_page_dirty_lock() when unregistering guest memory
	PCI: Align checking of syscall user config accessors
	mei: hbm: call mei_set_devstate() on hbm stop response
	drm/msm/dsi: Correct io_start for MSM8994 (20nm PHY)
	drm/msm/mdp5: Fix wait-for-commit for cmd panels
	vfio/iommu_type1: Fix some sanity checks in detach group
	ext4: fix potential htree index checksum corruption
	nvmem: core: Fix a resource leak on error in nvmem_add_cells_from_of()
	nvmem: core: skip child nodes not matching binding
	regmap: sdw: use _no_pm functions in regmap_read/write
	i40e: Fix flow for IPv6 next header (extension header)
	i40e: Add zero-initialization of AQ command structures
	i40e: Fix overwriting flow control settings during driver loading
	i40e: Fix addition of RX filters after enabling FW LLDP agent
	i40e: Fix VFs not created
	i40e: Fix add TC filter for IPv6
	vfio/type1: Use follow_pte()
	net/mlx4_core: Add missed mlx4_free_cmd_mailbox()
	vxlan: move debug check after netdev unregister
	ocfs2: fix a use after free on error
	mm/memory.c: fix potential pte_unmap_unlock pte error
	mm/hugetlb: fix potential double free in hugetlb_register_node() error path
	mm/compaction: fix misbehaviors of fast_find_migrateblock()
	r8169: fix jumbo packet handling on RTL8168e
	arm64: Add missing ISB after invalidating TLB in __primary_switch
	i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
	mm/rmap: fix potential pte_unmap on an not mapped pte
	scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
	blk-settings: align max_sectors on "logical_block_size" boundary
	ACPI: property: Fix fwnode string properties matching
	ACPI: configfs: add missing check after configfs_register_default_group()
	HID: logitech-dj: add support for keyboard events in eQUAD step 4 Gaming
	HID: wacom: Ignore attempts to overwrite the touch_max value from HID
	Input: raydium_ts_i2c - do not send zero length
	Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
	Input: joydev - prevent potential read overflow in ioctl
	Input: i8042 - add ASUS Zenbook Flip to noselftest list
	media: mceusb: Fix potential out-of-bounds shift
	USB: serial: option: update interface mapping for ZTE P685M
	usb: musb: Fix runtime PM race in musb_queue_resume_work
	usb: dwc3: gadget: Fix setting of DEPCFG.bInterval_m1
	usb: dwc3: gadget: Fix dep->interval for fullspeed interrupt
	USB: serial: ftdi_sio: fix FTX sub-integer prescaler
	USB: serial: mos7840: fix error code in mos7840_write()
	USB: serial: mos7720: fix error code in mos7720_write()
	ALSA: hda: Add another CometLake-H PCI ID
	ALSA: hda/realtek: modify EAPD in the ALC886
	Revert "bcache: Kill btree_io_wq"
	bcache: Give btree_io_wq correct semantics again
	bcache: Move journal work to new flush wq
	drm/amd/display: Add vupdate_no_lock interrupts for DCN2.1
	drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2)
	drm/nouveau/kms: handle mDP connectors
	drm/sched: Cancel and flush all outstanding jobs before finish.
	erofs: initialized fields can only be observed after bit is set
	tpm_tis: Fix check_locality for correct locality acquisition
	tpm_tis: Clean up locality release
	KEYS: trusted: Fix migratable=1 failing
	btrfs: abort the transaction if we fail to inc ref in btrfs_copy_root
	btrfs: fix reloc root leak with 0 ref reloc roots on recovery
	btrfs: splice remaining dirty_bg's onto the transaction dirty bg list
	btrfs: fix extent buffer leak on failure to copy root
	crypto: arm64/sha - add missing module aliases
	crypto: aesni - prevent misaligned buffers on the stack
	crypto: sun4i-ss - checking sg length is not sufficient
	crypto: sun4i-ss - handle BigEndian for cipher
	crypto: sun4i-ss - initialize need_fallback
	seccomp: Add missing return in non-void function
	misc: rtsx: init of rts522a add OCP power off when no card is present
	drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
	pstore: Fix typo in compression option name
	dts64: mt7622: fix slow sd card access
	staging/mt7621-dma: mtk-hsdma.c->hsdma-mt7621.c
	staging: gdm724x: Fix DMA from stack
	staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table
	media: ipu3-cio2: Fix mbus_code processing in cio2_subdev_set_fmt()
	x86/virt: Eat faults on VMXOFF in reboot flows
	x86/reboot: Force all cpus to exit VMX root if VMX is supported
	powerpc/prom: Fix "ibm,arch-vec-5-platform-support" scan
	rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers
	rcu/nocb: Perform deferred wake up before last idle's need_resched() check
	floppy: reintroduce O_NDELAY fix
	arm64: kexec_file: fix memory leakage in create_dtb() when fdt_open_into() fails
	arm64: uprobe: Return EOPNOTSUPP for AARCH32 instruction probing
	watchdog: qcom: Remove incorrect usage of QCOM_WDT_ENABLE_IRQ
	watchdog: mei_wdt: request stop on unregister
	mtd: spi-nor: sfdp: Fix last erase region marking
	mtd: spi-nor: sfdp: Fix wrong erase type bitmask for overlaid region
	mtd: spi-nor: core: Fix erase type discovery for overlaid region
	mtd: spi-nor: core: Add erase size check for erase command initialization
	mtd: spi-nor: hisi-sfc: Put child node np on error path
	fs/affs: release old buffer head on error path
	seq_file: document how per-entry resources are managed.
	x86: fix seq_file iteration for pat/memtype.c
	hugetlb: fix update_and_free_page contig page struct assumption
	hugetlb: fix copy_huge_page_from_user contig page struct assumption
	arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
	media: smipcie: fix interrupt handling and IR timeout
	module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
	mmc: sdhci-esdhc-imx: fix kernel panic when remove module
	powerpc/32s: Add missing call to kuep_lock on syscall entry
	spmi: spmi-pmic-arb: Fix hw_irq overflow
	gpio: pcf857x: Fix missing first interrupt
	printk: fix deadlock when kernel panic
	cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available
	s390/vtime: fix inline assembly clobber list
	virtio/s390: implement virtio-ccw revision 2 correctly
	um: mm: check more comprehensively for stub changes
	f2fs: fix out-of-repair __setattr_copy()
	sparc32: fix a user-triggerable oops in clear_user()
	spi: spi-synquacer: fix set_cs handling
	gfs2: Don't skip dlm unlock if glock has an lvb
	gfs2: Recursive gfs2_quota_hold in gfs2_iomap_end
	dm: fix deadlock when swapping to encrypted device
	dm writecache: fix writing beyond end of underlying device when shrinking
	dm era: Recover committed writeset after crash
	dm era: Verify the data block size hasn't changed
	dm era: Fix bitset memory leaks
	dm era: Use correct value size in equality function of writeset tree
	dm era: Reinitialize bitset cache before digesting a new writeset
	dm era: only resize metadata in preresume
	drm/i915: Reject 446-480MHz HDMI clock on GLK
	icmp: introduce helper for nat'd source address in network device context
	icmp: allow icmpv6_ndo_send to work with CONFIG_IPV6=n
	gtp: use icmp_ndo_send helper
	sunvnet: use icmp_ndo_send helper
	xfrm: interface: use icmp_ndo_send helper
	ipv6: icmp6: avoid indirect call for icmpv6_send()
	ipv6: silence compilation warning for non-IPV6 builds
	net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
	net: sched: fix police ext initialization
	dm era: Update in-core bitset after committing the metadata
	net: qrtr: Fix memory leak in qrtr_tun_open
	ARM: dts: aspeed: Add LCLK to lpc-snoop
	Linux 5.4.102

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie4d4b39755277412c370c011e32092624d593765
2021-03-04 10:44:50 +01:00
Nick Desaulniers
0a6565762f vmlinux.lds.h: add DWARF v5 sections
commit 3c4fa46b30c551b1df2fb1574a684f68bc22067c upstream.

We expect toolchains to produce these new debug info sections as part of
DWARF v5. Add explicit placements to prevent the linker warnings from
--orphan-section=warn.

Compilers may produce such sections with explicit -gdwarf-5, or based on
the implicit default version of DWARF when -g is used via DEBUG_INFO.
This implicit default changes over time, and has changed to DWARF v5
with GCC 11.

.debug_sup was mentioned in review, but without compilers producing it
today, let's wait to add it until it becomes necessary.

Cc: stable@vger.kernel.org
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1922707
Reported-by: Chris Murphy <lists@colorremedies.com>
Suggested-by: Fangrui Song <maskray@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Mark Wielaard <mark@klomp.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-04 10:26:09 +01:00
Greg Kroah-Hartman
7834d8fef1 This is the 5.4.99 stable release
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Merge 5.4.99 into android11-5.4-lts

Changes in 5.4.99
	gpio: ep93xx: fix BUG_ON port F usage
	gpio: ep93xx: Fix single irqchip with multi gpiochips
	tracing: Do not count ftrace events in top level enable output
	tracing: Check length before giving out the filter buffer
	arm/xen: Don't probe xenbus as part of an early initcall
	cgroup: fix psi monitor for root cgroup
	arm64: dts: rockchip: Fix PCIe DT properties on rk3399
	arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
	ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
	platform/x86: hp-wmi: Disable tablet-mode reporting by default
	ovl: perform vfs_getxattr() with mounter creds
	cap: fix conversions on getxattr
	ovl: skip getxattr of security labels
	nvme-pci: ignore the subsysem NQN on Phison E16
	drm/amd/display: Add more Clock Sources to DCN2.1
	drm/amd/display: Fix dc_sink kref count in emulated_link_detect
	drm/amd/display: Free atomic state after drm_atomic_commit
	drm/amd/display: Decrement refcount of dc_sink before reassignment
	riscv: virt_addr_valid must check the address belongs to linear mapping
	bfq-iosched: Revert "bfq: Fix computation of shallow depth"
	ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
	ARM: ensure the signal page contains defined contents
	ARM: kexec: fix oops after TLB are invalidated
	vmlinux.lds.h: Create section for protection against instrumentation
	lkdtm: don't move ctors to .rodata
	mt76: dma: fix a possible memory leak in mt76_add_fragment()
	drm/vc4: hvs: Fix buffer overflow with the dlist handling
	bpf: Check for integer overflow when using roundup_pow_of_two()
	netfilter: xt_recent: Fix attempt to update deleted entry
	netfilter: nftables: fix possible UAF over chains from packet path in netns
	netfilter: flowtable: fix tcp and udp header checksum update
	xen/netback: avoid race in xenvif_rx_ring_slots_available()
	net: enetc: initialize the RFS and RSS memories
	selftests: txtimestamp: fix compilation issue
	net: stmmac: set TxQ mode back to DCB after disabling CBS
	ibmvnic: Clear failover_pending if unable to schedule
	netfilter: conntrack: skip identical origin tuple in same zone only
	x86/build: Disable CET instrumentation in the kernel for 32-bit too
	net: hns3: add a check for queue_id in hclge_reset_vf_queue()
	firmware_loader: align .builtin_fw to 8
	drm/sun4i: tcon: set sync polarity for tcon1 channel
	drm/sun4i: Fix H6 HDMI PHY configuration
	drm/sun4i: dw-hdmi: Fix max. frequency for H6
	clk: sunxi-ng: mp: fix parent rate change flag check
	i2c: stm32f7: fix configuration of the digital filter
	h8300: fix PREEMPTION build, TI_PRE_COUNT undefined
	usb: dwc3: ulpi: fix checkpatch warning
	usb: dwc3: ulpi: Replace CPU-based busyloop with Protocol-based one
	rxrpc: Fix clearance of Tx/Rx ring when releasing a call
	udp: fix skb_copy_and_csum_datagram with odd segment sizes
	net: dsa: call teardown method on probe failure
	net: gro: do not keep too many GRO packets in napi->rx_list
	net: fix iteration for sctp transport seq_files
	net/vmw_vsock: improve locking in vsock_connect_timeout()
	net: watchdog: hold device global xmit lock during tx disable
	vsock/virtio: update credit only if socket is not closed
	vsock: fix locking in vsock_shutdown()
	net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS
	net/qrtr: restrict user-controlled length in qrtr_tun_write_iter()
	ovl: expand warning in ovl_d_real()
	Linux 5.4.99

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I28713d7ddd79d24b3007872877e51063df21a01e
2021-02-17 11:45:30 +01:00
Fangrui Song
107cf5eede firmware_loader: align .builtin_fw to 8
[ Upstream commit 793f49a87aae24e5bcf92ad98d764153fc936570 ]

arm64 references the start address of .builtin_fw (__start_builtin_fw)
with a pair of R_AARCH64_ADR_PREL_PG_HI21/R_AARCH64_LDST64_ABS_LO12_NC
relocations.  The compiler is allowed to emit the
R_AARCH64_LDST64_ABS_LO12_NC relocation because struct builtin_fw in
include/linux/firmware.h is 8-byte aligned.

The R_AARCH64_LDST64_ABS_LO12_NC relocation requires the address to be a
multiple of 8, which may not be the case if .builtin_fw is empty.
Unconditionally align .builtin_fw to fix the linker error.  32-bit
architectures could use ALIGN(4) but that would add unnecessary
complexity, so just use ALIGN(8).

Link: https://lkml.kernel.org/r/20201208054646.2913063-1-maskray@google.com
Link: https://github.com/ClangBuiltLinux/linux/issues/1204
Fixes: 5658c76 ("firmware: allow firmware files to be built into kernel image")
Signed-off-by: Fangrui Song <maskray@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-02-17 10:35:18 +01:00
Thomas Gleixner
4f5416710e vmlinux.lds.h: Create section for protection against instrumentation
[ Upstream commit 6553896666433e7efec589838b400a2a652b3ffa ]

Some code pathes, especially the low level entry code, must be protected
against instrumentation for various reasons:

 - Low level entry code can be a fragile beast, especially on x86.

 - With NO_HZ_FULL RCU state needs to be established before using it.

Having a dedicated section for such code allows to validate with tooling
that no unsafe functions are invoked.

Add the .noinstr.text section and the noinstr attribute to mark
functions. noinstr implies notrace. Kprobes will gain a section check
later.

Provide also a set of markers: instrumentation_begin()/end()

These are used to mark code inside a noinstr function which calls
into regular instrumentable text section as safe.

The instrumentation markers are only active when CONFIG_DEBUG_ENTRY is
enabled as the end marker emits a NOP to prevent the compiler from merging
the annotation points. This means the objtool verification requires a
kernel compiled with this option.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134100.075416272@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-02-17 10:35:16 +01:00
Greg Kroah-Hartman
661fe698ba Merge 5.4.93 into android11-5.4-lts
Changes in 5.4.93
	i2c: bpmp-tegra: Ignore unknown I2C_M flags
	platform/x86: i2c-multi-instantiate: Don't create platform device for INT3515 ACPI nodes
	platform/x86: ideapad-laptop: Disable touchpad_switch for ELAN0634
	ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info()
	ALSA: hda/via: Add minimum mute flag
	ACPI: scan: Make acpi_bus_get_device() clear return pointer on error
	btrfs: don't get an EINTR during drop_snapshot for reloc
	btrfs: fix lockdep splat in btrfs_recover_relocation
	btrfs: don't clear ret in btrfs_start_dirty_block_groups
	btrfs: send: fix invalid clone operations when cloning from the same file and root
	mmc: core: don't initialize block size from ext_csd if not present
	mmc: sdhci-xenon: fix 1.8v regulator stabilization
	dm: avoid filesystem lookup in dm_get_dev_t()
	dm integrity: fix a crash if "recalculate" used without "internal_hash"
	drm/atomic: put state on error path
	drm/syncobj: Fix use-after-free
	drm/i915/gt: Prevent use of engine->wa_ctx after error
	ASoC: Intel: haswell: Add missing pm_ops
	HID: multitouch: Enable multi-input for Synaptics pointstick/touchpad device
	dm integrity: select CRYPTO_SKCIPHER
	scsi: ufs: Correct the LUN used in eh_device_reset_handler() callback
	scsi: qedi: Correct max length of CHAP secret
	scsi: sd: Suppress spurious errors when WRITE SAME is being disabled
	riscv: Fix kernel time_init()
	riscv: Fix sifive serial driver
	HID: logitech-dj: add the G602 receiver
	HID: Ignore battery for Elan touchscreen on ASUS UX550
	clk: tegra30: Add hda clock default rates to clock driver
	arm64: make atomic helpers __always_inline
	xen: Fix event channel callback via INTX/GSI
	x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
	dts: phy: fix missing mdio device and probe failure of vsc8541-01 device
	riscv: defconfig: enable gpio support for HiFive Unleashed
	drm/amdgpu/psp: fix psp gfx ctrl cmds
	drm/amd/display: Fix to be able to stop crc calculation
	drm/nouveau/bios: fix issue shadowing expansion ROMs
	drm/nouveau/privring: ack interrupts the same way as RM
	drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
	drm/nouveau/mmu: fix vram heap sizing
	drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
	powerpc: Use the common INIT_DATA_SECTION macro in vmlinux.lds.S
	pinctrl: aspeed: g6: Fix PWMG0 pinctrl setting
	scsi: megaraid_sas: Fix MEGASAS_IOC_FIRMWARE regression
	powerpc: Fix alignment bug within the init sections
	i2c: octeon: check correct size of maximum RECV_LEN packet
	platform/x86: intel-vbtn: Drop HP Stream x360 Convertible PC 11 from allow-list
	selftests: net: fib_tests: remove duplicate log test
	can: dev: can_restart: fix use after free bug
	can: vxcan: vxcan_xmit: fix use after free bug
	can: peak_usb: fix use after free bugs
	iio: ad5504: Fix setting power-down state
	cifs: do not fail __smb_send_rqst if non-fatal signals are pending
	irqchip/mips-cpu: Set IPI domain parent chip
	x86/fpu: Add kernel_fpu_begin_mask() to selectively initialize state
	x86/topology: Make __max_die_per_package available unconditionally
	x86/mmx: Use KFPU_387 for MMX string operations
	intel_th: pci: Add Alder Lake-P support
	stm class: Fix module init return on allocation failure
	serial: mvebu-uart: fix tx lost characters at power off
	ehci: fix EHCI host controller initialization sequence
	USB: ehci: fix an interrupt calltrace error
	usb: gadget: aspeed: fix stop dma register setting.
	usb: udc: core: Use lock when write to soft_connect
	usb: bdc: Make bdc pci driver depend on BROKEN
	xhci: make sure TRB is fully written before giving it to the controller
	xhci: tegra: Delay for disabling LFPS detector
	driver core: Extend device_is_dependent()
	pinctrl: ingenic: Fix JZ4760 support
	x86/cpu/amd: Set __max_die_per_package on AMD
	netfilter: rpfilter: mask ecn bits before fib lookup
	sh: dma: fix kconfig dependency for G2_DMA
	net: dsa: mv88e6xxx: also read STU state in mv88e6250_g1_vtu_getnext
	sh_eth: Fix power down vs. is_opened flag ordering
	lightnvm: fix memory leak when submit fails
	skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too
	kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
	kasan: fix incorrect arguments passing in kasan_add_zero_shadow
	udp: mask TOS bits in udp_v4_early_demux()
	ipv6: create multicast route with RTPROT_KERNEL
	net_sched: avoid shift-out-of-bounds in tcindex_set_parms()
	net_sched: reject silly cell_log in qdisc_get_rtab()
	ipv6: set multicast flag on the multicast route
	net: mscc: ocelot: allow offloading of bridge on top of LAG
	net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
	net: dsa: b53: fix an off by one in checking "vlan->vid"
	tcp: do not mess with cloned skbs in tcp_add_backlog()
	tcp: fix TCP_USER_TIMEOUT with zero window
	Linux 5.4.93

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic74c45d2af0fd9f1f7cd78a5787cbdb84c9a73fb
2021-01-29 10:19:54 +01:00
Arnd Bergmann
acc402fa5b arm64: make atomic helpers __always_inline
[ Upstream commit c35a824c31834d947fb99b0c608c1b9f922b4ba0 ]

With UBSAN enabled and building with clang, there are occasionally
warnings like

WARNING: modpost: vmlinux.o(.text+0xc533ec): Section mismatch in reference from the function arch_atomic64_or() to the variable .init.data:numa_nodes_parsed
The function arch_atomic64_or() references
the variable __initdata numa_nodes_parsed.
This is often because arch_atomic64_or lacks a __initdata
annotation or the annotation of numa_nodes_parsed is wrong.

for functions that end up not being inlined as intended but operating
on __initdata variables. Mark these as __always_inline, along with
the corresponding asm-generic wrappers.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210108092024.4034860-1-arnd@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-01-27 11:47:44 +01:00
Greg Kroah-Hartman
b19ff965a7 This is the 5.4.90 stable release
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Merge 5.4.90 into android11-5.4-lts

Changes in 5.4.90
	x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
	vfio iommu: Add dma available capability
	net: cdc_ncm: correct overhead in delayed_ndp_size
	net: hns3: fix the number of queues actually used by ARQ
	net: hns3: fix a phy loopback fail issue
	net: stmmac: dwmac-sun8i: Balance internal PHY resource references
	net: stmmac: dwmac-sun8i: Balance internal PHY power
	net: vlan: avoid leaks on register_vlan_dev() failures
	net/sonic: Fix some resource leaks in error handling paths
	net: ipv6: fib: flush exceptions when purging route
	tools: selftests: add test for changing routes with PTMU exceptions
	net: fix pmtu check in nopmtudisc mode
	net: ip: always refragment ip defragmented packets
	octeontx2-af: fix memory leak of lmac and lmac->name
	nexthop: Fix off-by-one error in error path
	nexthop: Unlink nexthop group entry in error path
	s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
	net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
	net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
	net/mlx5e: ethtool, Fix restriction of autoneg with 56G
	chtls: Fix hardware tid leak
	chtls: Remove invalid set_tcb call
	chtls: Fix panic when route to peer not configured
	chtls: Replace skb_dequeue with skb_peek
	chtls: Added a check to avoid NULL pointer dereference
	chtls: Fix chtls resources release sequence
	x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
	x86/resctrl: Don't move a task to the same resource group
	exfat: Month timestamp metadata accidentally incremented
	vmlinux.lds.h: Add PGO and AutoFDO input sections
	iio: imu: st_lsm6dsx: fix edge-trigger interrupts
	HID: wacom: Fix memory leakage caused by kfifo_alloc
	ARM: OMAP2+: omap_device: fix idling of devices during probe
	i2c: sprd: use a specific timeout to avoid system hang up issue
	dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
	can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
	can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
	can: kvaser_pciefd: select CONFIG_CRC32
	cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
	spi: stm32: FIFO threshold level - fix align packet size
	i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
	dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function
	dmaengine: xilinx_dma: check dma_async_device_register return value
	dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
	dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
	qed: select CONFIG_CRC32
	wil6210: select CONFIG_CRC32
	block: rsxx: select CONFIG_CRC32
	lightnvm: select CONFIG_CRC32
	iommu/intel: Fix memleak in intel_irq_remapping_alloc
	bpftool: Fix compilation failure for net.o with older glibc
	net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
	net/mlx5e: Fix two double free cases
	regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
	wan: ds26522: select CONFIG_BITREVERSE
	regulator: qcom-rpmh-regulator: correct hfsmps515 definition
	net: mvpp2: disable force link UP during port init procedure
	KVM: arm64: Don't access PMCR_EL0 when no PMU is available
	block: fix use-after-free in disk_part_iter_next
	net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed packet
	regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
	Linux 5.4.90

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I36d497eb94180397ab6ef2e370842e1ff6daefaf
2021-01-17 15:43:22 +01:00
Nick Desaulniers
87ea51c902 vmlinux.lds.h: Add PGO and AutoFDO input sections
commit eff8728fe69880d3f7983bec3fb6cea4c306261f upstream.

Basically, consider .text.{hot|unlikely|unknown}.* part of .text, too.

When compiling with profiling information (collected via PGO
instrumentations or AutoFDO sampling), Clang will separate code into
.text.hot, .text.unlikely, or .text.unknown sections based on profiling
information. After D79600 (clang-11), these sections will have a
trailing `.` suffix, ie.  .text.hot., .text.unlikely., .text.unknown..

When using -ffunction-sections together with profiling infomation,
either explicitly (FGKASLR) or implicitly (LTO), code may be placed in
sections following the convention:
.text.hot.<foo>, .text.unlikely.<bar>, .text.unknown.<baz>
where <foo>, <bar>, and <baz> are functions.  (This produces one section
per function; we generally try to merge these all back via linker script
so that we don't have 50k sections).

For the above cases, we need to teach our linker scripts that such
sections might exist and that we'd explicitly like them grouped
together, otherwise we can wind up with code outside of the
_stext/_etext boundaries that might not be mapped properly for some
architectures, resulting in boot failures.

If the linker script is not told about possible input sections, then
where the section is placed as output is a heuristic-laiden mess that's
non-portable between linkers (ie. BFD and LLD), and has resulted in many
hard to debug bugs.  Kees Cook is working on cleaning this up by adding
--orphan-handling=warn linker flag used in ARCH=powerpc to additional
architectures. In the case of linker scripts, borrowing from the Zen of
Python: explicit is better than implicit.

Also, ld.bfd's internal linker script considers .text.hot AND
.text.hot.* to be part of .text, as well as .text.unlikely and
.text.unlikely.*. I didn't see support for .text.unknown.*, and didn't
see Clang producing such code in our kernel builds, but I see code in
LLVM that can produce such section names if profiling information is
missing. That may point to a larger issue with generating or collecting
profiles, but I would much rather be safe and explicit than have to
debug yet another issue related to orphan section placement.

Reported-by: Jian Cai <jiancai@google.com>
Suggested-by: Fāng-ruì Sòng <maskray@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Luis Lozano <llozano@google.com>
Tested-by: Manoj Gupta <manojgupta@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: linux-arch@vger.kernel.org
Cc: stable@vger.kernel.org
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=add44f8d5c5c05e08b11e033127a744d61c26aee
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=1de778ed23ce7492c523d5850c6c6dbb34152655
Link: https://reviews.llvm.org/D79600
Link: https://bugs.chromium.org/p/chromium/issues/detail?id=1084760
Link: https://lore.kernel.org/r/20200821194310.3089815-7-keescook@chromium.org

Debugged-by: Luis Lozano <llozano@google.com>
[nc: Resolve small conflict due to lack of NOINSTR_TEXT]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-17 14:05:34 +01:00
Greg Kroah-Hartman
7cde7073b9 Merge branch 'android11-5.4' into 'android11-5.4-lts'
Sync up with android11-5.4 for the following commits:

9c7cbdf8b4 ANDROID: ABI: add symbols of drm_atomic_helper_setup_commit to unisoc
70f2e8159d ANDROID: ABI: update allowed list for galaxy
e7eb07515d UPSTREAM: HID: core: Correctly handle ReportSize being zero
bdf78f318d UPSTREAM: HID: core: Sanitize event code and type when mapping input
cd02993624 FROMLIST: scripts: merge_config: add strict mode to fail upon any redefinition
559c23e691 ANDROID: vmlinux.lds.h: merge compound literal sections

Change-Id: I7247d8946353c3925f824b890116c5dffa4faf9d
2020-12-08 10:19:43 +01:00
Sami Tolvanen
559c23e691 ANDROID: vmlinux.lds.h: merge compound literal sections
After LLVM rG9e33c096476a ("[ELF] Keep orphan section names
(.rodata.foo .text.foo) unchanged if !hasSectionsCommand"), LLD splits
compound literals to separate sections with -fdata-sections, which
it always enables with LTO. Merge these sections to allow LLVM to be
upgraded.

Bug: 174047799
Change-Id: I858c5fcc48283d5528c1d3e2b2d7a3c72f9e03d6
Link: https://github.com/ClangBuiltLinux/linux/issues/958
Suggested-by: Danny Lin <danny@kdrag0n.dev>
Suggested-by: Fangrui Song <maskray@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
2020-12-02 16:39:51 +00:00
Greg Kroah-Hartman
1dac59f51a This is the 5.4.81 stable release
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Merge 5.4.81 into android11-5.4-lts

Changes in 5.4.81
	spi: bcm-qspi: Fix use-after-free on unbind
	spi: bcm2835: Fix use-after-free on unbind
	ipv4: use IS_ENABLED instead of ifdef
	netfilter: clear skb->next in NF_HOOK_LIST()
	btrfs: tree-checker: add missing return after error in root_item
	btrfs: tree-checker: add missing returns after data_ref alignment checks
	btrfs: don't access possibly stale fs_info data for printing duplicate device
	btrfs: fix lockdep splat when reading qgroup config on mount
	wireless: Use linux/stddef.h instead of stddef.h
	smb3: Call cifs reconnect from demultiplex thread
	smb3: Avoid Mid pending list corruption
	smb3: Handle error case during offload read path
	cifs: fix a memleak with modefromsid
	KVM: PPC: Book3S HV: XIVE: Fix possible oops when accessing ESB page
	KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
	KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
	KVM: x86: Fix split-irqchip vs interrupt injection window request
	trace: fix potenial dangerous pointer
	arm64: pgtable: Fix pte_accessible()
	arm64: pgtable: Ensure dirty bit is preserved across pte_wrprotect()
	HID: uclogic: Add ID for Trust Flex Design Tablet
	HID: ite: Replace ABS_MISC 120/121 events with touchpad on/off keypresses
	HID: cypress: Support Varmilo Keyboards' media hotkeys
	HID: add support for Sega Saturn
	Input: i8042 - allow insmod to succeed on devices without an i8042 controller
	HID: hid-sensor-hub: Fix issue with devices with no report ID
	staging: ralink-gdma: fix kconfig dependency bug for DMA_RALINK
	HID: add HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE for Gamevice devices
	dmaengine: xilinx_dma: use readl_poll_timeout_atomic variant
	x86/xen: don't unbind uninitialized lock_kicker_irq
	HID: logitech-hidpp: Add HIDPP_CONSUMER_VENDOR_KEYS quirk for the Dinovo Edge
	HID: Add Logitech Dinovo Edge battery quirk
	proc: don't allow async path resolution of /proc/self components
	nvme: free sq/cq dbbuf pointers when dbbuf set fails
	vhost scsi: fix cmd completion race
	dmaengine: pl330: _prep_dma_memcpy: Fix wrong burst size
	scsi: libiscsi: Fix NOP race condition
	scsi: target: iscsi: Fix cmd abort fabric stop race
	perf/x86: fix sysfs type mismatches
	xtensa: uaccess: Add missing __user to strncpy_from_user() prototype
	net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset
	bus: ti-sysc: Fix bogus resetdone warning on enable for cpsw
	ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
	phy: tegra: xusb: Fix dangling pointer on probe failure
	iwlwifi: mvm: write queue_sync_state only for sync
	batman-adv: set .owner to THIS_MODULE
	arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
	ARM: dts: dra76x: m_can: fix order of clocks
	scsi: ufs: Fix race between shutdown and runtime resume flow
	bnxt_en: fix error return code in bnxt_init_one()
	bnxt_en: fix error return code in bnxt_init_board()
	video: hyperv_fb: Fix the cache type when mapping the VRAM
	bnxt_en: Release PCI regions when DMA mask setup fails during probe.
	cxgb4: fix the panic caused by non smac rewrite
	s390/qeth: make af_iucv TX notification call more robust
	s390/qeth: fix af_iucv notification race
	s390/qeth: fix tear down of async TX buffers
	ibmvnic: fix call_netdevice_notifiers in do_reset
	ibmvnic: notify peers when failover and migration happen
	powerpc/64s: Fix allnoconfig build since uaccess flush
	IB/mthca: fix return value of error branch in mthca_init_cq()
	i40e: Fix removing driver while bare-metal VFs pass traffic
	nfc: s3fwrn5: use signed integer for parsing GPIO numbers
	net: ena: set initial DMA width to avoid intel iommu issue
	ibmvnic: fix NULL pointer dereference in reset_sub_crq_queues
	ibmvnic: fix NULL pointer dereference in ibmvic_reset_crq
	optee: add writeback to valid memory type
	arm64: tegra: Wrong AON HSP reg property size
	efivarfs: revert "fix memory leak in efivarfs_create()"
	efi: EFI_EARLYCON should depend on EFI
	can: gs_usb: fix endianess problem with candleLight firmware
	platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
	platform/x86: toshiba_acpi: Fix the wrong variable assignment
	RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
	RDMA/hns: Bugfix for memory window mtpt configuration
	can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
	can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
	perf stat: Use proper cpu for shadow stats
	perf probe: Fix to die_entrypc() returns error correctly
	spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe
	USB: core: Change %pK for __user pointers to %px
	usb: gadget: f_midi: Fix memleak in f_midi_alloc
	USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
	usb: gadget: Fix memleak in gadgetfs_fill_super
	irqchip/exiu: Fix the index of fwspec for IRQ type
	x86/mce: Do not overwrite no_way_out if mce_end() fails
	x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
	x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
	x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
	USB: core: Fix regression in Hercules audio card
	ASoC: Intel: Skylake: Remove superfluous chip initialization
	ASoC: Intel: Skylake: Select hda configuration permissively
	ASoC: Intel: Skylake: Enable codec wakeup during chip init
	ASoC: Intel: Skylake: Shield against no-NHLT configurations
	ASoC: Intel: Allow for ROM init retry on CNL platforms
	ASoC: Intel: Skylake: Await purge request ack on CNL
	ASoC: Intel: Multiple I/O PCM format support for pipe
	ASoC: Intel: Skylake: Automatic DMIC format configuration according to information from NHLT
	Linux 5.4.81

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9a2e421ce75169fd1dc326c5f55c19e725e4b579
2020-12-02 09:20:10 +01:00
Arnd Bergmann
1bef5f25a6 arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
[ Upstream commit cef397038167ac15d085914493d6c86385773709 ]

Stefan Agner reported a bug when using zsram on 32-bit Arm machines
with RAM above the 4GB address boundary:

  Unable to handle kernel NULL pointer dereference at virtual address 00000000
  pgd = a27bd01c
  [00000000] *pgd=236a0003, *pmd=1ffa64003
  Internal error: Oops: 207 [#1] SMP ARM
  Modules linked in: mdio_bcm_unimac(+) brcmfmac cfg80211 brcmutil raspberrypi_hwmon hci_uart crc32_arm_ce bcm2711_thermal phy_generic genet
  CPU: 0 PID: 123 Comm: mkfs.ext4 Not tainted 5.9.6 #1
  Hardware name: BCM2711
  PC is at zs_map_object+0x94/0x338
  LR is at zram_bvec_rw.constprop.0+0x330/0xa64
  pc : [<c0602b38>]    lr : [<c0bda6a0>]    psr: 60000013
  sp : e376bbe0  ip : 00000000  fp : c1e2921c
  r10: 00000002  r9 : c1dda730  r8 : 00000000
  r7 : e8ff7a00  r6 : 00000000  r5 : 02f9ffa0  r4 : e3710000
  r3 : 000fdffe  r2 : c1e0ce80  r1 : ebf979a0  r0 : 00000000
  Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
  Control: 30c5383d  Table: 235c2a80  DAC: fffffffd
  Process mkfs.ext4 (pid: 123, stack limit = 0x495a22e6)
  Stack: (0xe376bbe0 to 0xe376c000)

As it turns out, zsram needs to know the maximum memory size, which
is defined in MAX_PHYSMEM_BITS when CONFIG_SPARSEMEM is set, or in
MAX_POSSIBLE_PHYSMEM_BITS on the x86 architecture.

The same problem will be hit on all 32-bit architectures that have a
physical address space larger than 4GB and happen to not enable sparsemem
and include asm/sparsemem.h from asm/pgtable.h.

After the initial discussion, I suggested just always defining
MAX_POSSIBLE_PHYSMEM_BITS whenever CONFIG_PHYS_ADDR_T_64BIT is
set, or provoking a build error otherwise. This addresses all
configurations that can currently have this runtime bug, but
leaves all other configurations unchanged.

I looked up the possible number of bits in source code and
datasheets, here is what I found:

 - on ARC, CONFIG_ARC_HAS_PAE40 controls whether 32 or 40 bits are used
 - on ARM, CONFIG_LPAE enables 40 bit addressing, without it we never
   support more than 32 bits, even though supersections in theory allow
   up to 40 bits as well.
 - on MIPS, some MIPS32r1 or later chips support 36 bits, and MIPS32r5
   XPA supports up to 60 bits in theory, but 40 bits are more than
   anyone will ever ship
 - On PowerPC, there are three different implementations of 36 bit
   addressing, but 32-bit is used without CONFIG_PTE_64BIT
 - On RISC-V, the normal page table format can support 34 bit
   addressing. There is no highmem support on RISC-V, so anything
   above 2GB is unused, but it might be useful to eventually support
   CONFIG_ZRAM for high pages.

Fixes: 61989a80fb ("staging: zsmalloc: zsmalloc memory allocation library")
Fixes: 02390b87a9 ("mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS")
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Tested-by: Stefan Agner <stefan@agner.ch>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/linux-mm/bdfa44bf1c570b05d6c70898e2bbb0acf234ecdf.1604762181.git.stefan@agner.ch/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-02 08:49:50 +01:00
Greg Kroah-Hartman
0e161a13b1 This is the 5.4.76 stable release
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Merge 5.4.76 into android11-5.4-lts

Changes in 5.4.76
	drm/i915: Break up error capture compression loops with cond_resched()
	drm/i915/gt: Delay execlist processing for tgl
	drm/i915: Drop runtime-pm assert from vgpu io accessors
	ASoC: Intel: Skylake: Add alternative topology binary name
	linkage: Introduce new macros for assembler symbols
	arm64: asm: Add new-style position independent function annotations
	arm64: lib: Use modern annotations for assembly functions
	arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S
	tipc: fix use-after-free in tipc_bcast_get_mode
	ptrace: fix task_join_group_stop() for the case when current is traced
	cadence: force nonlinear buffers to be cloned
	chelsio/chtls: fix memory leaks caused by a race
	chelsio/chtls: fix always leaking ctrl_skb
	gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
	gianfar: Account for Tx PTP timestamp in the skb headroom
	ionic: check port ptr before use
	ip_tunnel: fix over-mtu packet send fail without TUNNEL_DONT_FRAGMENT flags
	net: usb: qmi_wwan: add Telit LE910Cx 0x1230 composition
	powerpc/vnic: Extend "failover pending" window
	sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian platforms
	sfp: Fix error handing in sfp_probe()
	Fonts: Replace discarded const qualifier
	ALSA: hda/realtek - Fixed HP headset Mic can't be detected
	ALSA: hda/realtek - Enable headphone for ASUS TM420
	ALSA: usb-audio: Add implicit feedback quirk for Zoom UAC-2
	ALSA: usb-audio: add usb vendor id as DSD-capable for Khadas devices
	ALSA: usb-audio: Add implicit feedback quirk for Qu-16
	ALSA: usb-audio: Add implicit feedback quirk for MODX
	mm: mempolicy: fix potential pte_unmap_unlock pte error
	lib/crc32test: remove extra local_irq_disable/enable
	kthread_worker: prevent queuing delayed work from timer_fn when it is being canceled
	mm: always have io_remap_pfn_range() set pgprot_decrypted()
	gfs2: Wake up when sd_glock_disposal becomes zero
	ring-buffer: Fix recursion protection transitions between interrupt context
	mtd: spi-nor: Don't copy self-pointing struct around
	ftrace: Fix recursion check for NMI test
	ftrace: Handle tracing when switching between context
	regulator: defer probe when trying to get voltage from unresolved supply
	spi: bcm2835: fix gpio cs level inversion
	tracing: Fix out of bounds write in get_trace_buf
	futex: Handle transient "ownerless" rtmutex state correctly
	ARM: dts: sun4i-a10: fix cpu_alert temperature
	arm64: dts: meson: add missing g12 rng clock
	x86/kexec: Use up-to-dated screen_info copy to fill boot params
	of: Fix reserved-memory overlap detection
	drm/sun4i: frontend: Rework a bit the phase data
	drm/sun4i: frontend: Reuse the ch0 phase for RGB formats
	drm/sun4i: frontend: Fix the scaler phase on A33
	blk-cgroup: Fix memleak on error path
	blk-cgroup: Pre-allocate tree node on blkg_conf_prep
	scsi: core: Don't start concurrent async scan on same host
	drm/amdgpu: add DID for navi10 blockchain SKU
	scsi: ibmvscsi: Fix potential race after loss of transport
	vsock: use ns_capable_noaudit() on socket create
	nvme-rdma: handle unexpected nvme completion data length
	nvmet: fix a NULL pointer dereference when tracing the flush command
	drm/vc4: drv: Add error handding for bind
	ACPI: NFIT: Fix comparison to '-ENXIO'
	usb: cdns3: gadget: suspicious implicit sign extension
	drm/nouveau/nouveau: fix the start/end range for migration
	drm/nouveau/gem: fix "refcount_t: underflow; use-after-free"
	arm64/smp: Move rcu_cpu_starting() earlier
	Revert "coresight: Make sysfs functional on topologies with per core sink"
	vt: Disable KD_FONT_OP_COPY
	fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
	s390/pkey: fix paes selftest failure with paes and pkey static build
	serial: 8250_mtk: Fix uart_get_baud_rate warning
	serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
	USB: serial: cyberjack: fix write-URB completion race
	USB: serial: option: add Quectel EC200T module support
	USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
	USB: serial: option: add Telit FN980 composition 0x1055
	tty: serial: fsl_lpuart: add LS1028A support
	tty: serial: fsl_lpuart: LS1021A has a FIFO size of 16 words, like LS1028A
	usb: dwc3: ep0: Fix delay status handling
	USB: Add NO_LPM quirk for Kingston flash drive
	usb: mtu3: fix panic in mtu3_gadget_stop()
	drm/panfrost: Fix a deadlock between the shrinker and madvise path
	ARC: stack unwinding: avoid indefinite looping
	PM: runtime: Drop runtime PM references to supplier on link removal
	PM: runtime: Drop pm_runtime_clean_up_links()
	PM: runtime: Resume the device earlier in __device_release_driver()
	xfs: flush for older, xfs specific ioctls
	perf/core: Fix a memory leak in perf_event_parse_addr_filter()
	arm64: dts: marvell: espressobin: Add ethernet switch aliases
	Linux 5.4.76

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9e122c9984f0a80613577d71e59101a97e92c1a4
2020-11-10 15:10:23 +01:00
Jason Gunthorpe
d2286457bd mm: always have io_remap_pfn_range() set pgprot_decrypted()
commit f8f6ae5d077a9bdaf5cbf2ac960a5d1a04b47482 upstream.

The purpose of io_remap_pfn_range() is to map IO memory, such as a
memory mapped IO exposed through a PCI BAR.  IO devices do not
understand encryption, so this memory must always be decrypted.
Automatically call pgprot_decrypted() as part of the generic
implementation.

This fixes a bug where enabling AMD SME causes subsystems, such as RDMA,
using io_remap_pfn_range() to expose BAR pages to user space to fail.
The CPU will encrypt access to those BAR pages instead of passing
unencrypted IO directly to the device.

Places not mapping IO should use remap_pfn_range().

Fixes: aca20d5462 ("x86/mm: Add support to make use of Secure Memory Encryption")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: "Dave Young" <dyoung@redhat.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Toshimitsu Kani <toshi.kani@hpe.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/0-v1-025d64bdf6c4+e-amd_sme_fix_jgg@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-10 12:37:27 +01:00
Greg Kroah-Hartman
c0294c33eb This is the 5.4.71 stable release
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Merge 5.4.71 into android11-5.4-lts

Changes in 5.4.71
	fbdev, newport_con: Move FONT_EXTRA_WORDS macros into linux/font.h
	Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts
	fbcon: Fix global-out-of-bounds read in fbcon_get_font()
	Revert "ravb: Fixed to be able to unload modules"
	io_uring: Fix resource leaking when kill the process
	io_uring: Fix missing smp_mb() in io_cancel_async_work()
	io_uring: Fix remove irrelevant req from the task_list
	io_uring: Fix double list add in io_queue_async_work()
	net: wireless: nl80211: fix out-of-bounds access in nl80211_del_key()
	drm/nouveau/mem: guard against NULL pointer access in mem_del
	vhost: Don't call access_ok() when using IOTLB
	vhost: Use vhost_get_used_size() in vhost_vring_set_addr()
	usermodehelper: reset umask to default before executing user process
	Platform: OLPC: Fix memleak in olpc_ec_probe
	platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on the HP Pavilion 11 x360
	platform/x86: thinkpad_acpi: initialize tp_nvram_state variable
	bpf: Fix sysfs export of empty BTF section
	bpf: Prevent .BTF section elimination
	platform/x86: intel-vbtn: Switch to an allow-list for SW_TABLET_MODE reporting
	platform/x86: thinkpad_acpi: re-initialize ACPI buffer size when reuse
	driver core: Fix probe_count imbalance in really_probe()
	perf test session topology: Fix data path
	perf top: Fix stdio interface input handling with glibc 2.28+
	i2c: i801: Exclude device from suspend direct complete optimization
	arm64: dts: stratix10: add status to qspi dts node
	Btrfs: send, allow clone operations within the same file
	Btrfs: send, fix emission of invalid clone operations within the same file
	btrfs: volumes: Use more straightforward way to calculate map length
	btrfs: Ensure we trim ranges across block group boundary
	btrfs: fix RWF_NOWAIT write not failling when we need to cow
	btrfs: allow btrfs_truncate_block() to fallback to nocow for data space reservation
	nvme-core: put ctrl ref when module ref get fail
	macsec: avoid use-after-free in macsec_handle_frame()
	mm/khugepaged: fix filemap page_to_pgoff(page) != offset
	net: introduce helper sendpage_ok() in include/linux/net.h
	tcp: use sendpage_ok() to detect misused .sendpage
	nvme-tcp: check page by sendpage_ok() before calling kernel_sendpage()
	xfrmi: drop ignore_df check before updating pmtu
	cifs: Fix incomplete memory allocation on setxattr path
	i2c: meson: fix clock setting overwrite
	i2c: meson: fixup rate calculation with filter delay
	i2c: owl: Clear NACK and BUS error bits
	sctp: fix sctp_auth_init_hmacs() error path
	team: set dev->needed_headroom in team_setup_by_port()
	net: team: fix memory leak in __team_options_register
	openvswitch: handle DNAT tuple collision
	drm/amdgpu: prevent double kfree ttm->sg
	iommu/vt-d: Fix lockdep splat in iommu_flush_dev_iotlb()
	xfrm: clone XFRMA_SET_MARK in xfrm_do_migrate
	xfrm: clone XFRMA_REPLAY_ESN_VAL in xfrm_do_migrate
	xfrm: clone XFRMA_SEC_CTX in xfrm_do_migrate
	xfrm: clone whole liftime_cur structure in xfrm_do_migrate
	net: stmmac: removed enabling eee in EEE set callback
	platform/x86: fix kconfig dependency warning for FUJITSU_LAPTOP
	xfrm: Use correct address family in xfrm_state_find
	iavf: use generic power management
	iavf: Fix incorrect adapter get in iavf_resume
	net: ethernet: cavium: octeon_mgmt: use phy_start and phy_stop
	bonding: set dev->needed_headroom in bond_setup_by_slave()
	mdio: fix mdio-thunder.c dependency & build error
	mlxsw: spectrum_acl: Fix mlxsw_sp_acl_tcam_group_add()'s error path
	r8169: fix RTL8168f/RTL8411 EPHY config
	net: usb: ax88179_178a: fix missing stop entry in driver_info
	virtio-net: don't disable guest csum when disable LRO
	net/mlx5: Avoid possible free of command entry while timeout comp handler
	net/mlx5: Fix request_irqs error flow
	net/mlx5e: Add resiliency in Striding RQ mode for packets larger than MTU
	net/mlx5e: Fix VLAN cleanup flow
	net/mlx5e: Fix VLAN create flow
	rxrpc: Fix rxkad token xdr encoding
	rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read()
	rxrpc: Fix some missing _bh annotations on locking conn->state_lock
	rxrpc: The server keyring isn't network-namespaced
	rxrpc: Fix server keyring leak
	perf: Fix task_function_call() error handling
	mmc: core: don't set limits.discard_granularity as 0
	mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
	tcp: fix receive window update in tcp_add_backlog()
	net/core: check length before updating Ethertype in skb_mpls_{push,pop}
	net/tls: race causes kernel panic
	net/mlx5e: Fix driver's declaration to support GRE offload
	Input: ati_remote2 - add missing newlines when printing module parameters
	net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails
	net_sched: defer tcf_idr_insert() in tcf_action_init_1()
	net_sched: commit action insertions together
	Linux 5.4.71

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8c48e9e33e4375ff6662d1b23e76b963db306759
2020-10-14 17:07:42 +02:00
Tony Ambardar
6440fb9bda bpf: Prevent .BTF section elimination
commit 65c204398928f9c79f1a29912b410439f7052635 upstream.

Systems with memory or disk constraints often reduce the kernel footprint
by configuring LD_DEAD_CODE_DATA_ELIMINATION. However, this can result in
removal of any BTF information.

Use the KEEP() macro to preserve the BTF data as done with other important
sections, while still allowing for smaller kernels.

Fixes: 90ceddcb4950 ("bpf: Support llvm-objcopy for vmlinux BTF")
Signed-off-by: Tony Ambardar <Tony.Ambardar@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/a635b5d3e2da044e7b51ec1315e8910fbce0083f.1600417359.git.Tony.Ambardar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-14 10:32:58 +02:00
Greg Kroah-Hartman
e772bef401 This is the 5.4.69 stable release
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Merge 5.4.69 into android11-5.4-lts

Changes in 5.4.69
	kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec()
	scsi: lpfc: Fix pt2pt discovery on SLI3 HBAs
	scsi: mpt3sas: Free diag buffer without any status check
	selinux: allow labeling before policy is loaded
	media: mc-device.c: fix memleak in media_device_register_entity
	drm/amd/display: Do not double-buffer DTO adjustments
	drm/amdkfd: Fix race in gfx10 context restore handler
	dma-fence: Serialise signal enabling (dma_fence_enable_sw_signaling)
	scsi: qla2xxx: Add error handling for PLOGI ELS passthrough
	ath10k: fix array out-of-bounds access
	ath10k: fix memory leak for tpc_stats_final
	PCI/IOV: Serialize sysfs sriov_numvfs reads vs writes
	mm: fix double page fault on arm64 if PTE_AF is cleared
	scsi: aacraid: fix illegal IO beyond last LBA
	m68k: q40: Fix info-leak in rtc_ioctl
	xfs: fix inode fork extent count overflow
	gma/gma500: fix a memory disclosure bug due to uninitialized bytes
	ASoC: kirkwood: fix IRQ error handling
	soundwire: intel/cadence: fix startup sequence
	media: smiapp: Fix error handling at NVM reading
	drm/amd/display: Free gamma after calculating legacy transfer function
	xfs: properly serialise fallocate against AIO+DIO
	leds: mlxreg: Fix possible buffer overflow
	dm table: do not allow request-based DM to stack on partitions
	PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out
	scsi: fnic: fix use after free
	scsi: lpfc: Fix kernel crash at lpfc_nvme_info_show during remote port bounce
	powerpc/64s: Always disable branch profiling for prom_init.o
	net: silence data-races on sk_backlog.tail
	dax: Fix alloc_dax_region() compile warning
	iomap: Fix overflow in iomap_page_mkwrite
	f2fs: avoid kernel panic on corruption test
	clk/ti/adpll: allocate room for terminating null
	drm/amdgpu/powerplay: fix AVFS handling with custom powerplay table
	ice: Fix to change Rx/Tx ring descriptor size via ethtool with DCBx
	mtd: cfi_cmdset_0002: don't free cfi->cfiq in error path of cfi_amdstd_setup()
	mfd: mfd-core: Protect against NULL call-back function pointer
	drm/amdgpu/powerplay/smu7: fix AVFS handling with custom powerplay table
	tpm_crb: fix fTPM on AMD Zen+ CPUs
	tracing: Verify if trace array exists before destroying it.
	tracing: Adding NULL checks for trace_array descriptor pointer
	bcache: fix a lost wake-up problem caused by mca_cannibalize_lock
	dmaengine: mediatek: hsdma_probe: fixed a memory leak when devm_request_irq fails
	x86/kdump: Always reserve the low 1M when the crashkernel option is specified
	RDMA/qedr: Fix potential use after free
	RDMA/i40iw: Fix potential use after free
	PCI: Avoid double hpmemsize MMIO window assignment
	fix dget_parent() fastpath race
	xfs: fix attr leaf header freemap.size underflow
	RDMA/iw_cgxb4: Fix an error handling path in 'c4iw_connect()'
	ubi: Fix producing anchor PEBs
	mmc: core: Fix size overflow for mmc partitions
	gfs2: clean up iopen glock mess in gfs2_create_inode
	scsi: pm80xx: Cleanup command when a reset times out
	mt76: do not use devm API for led classdev
	mt76: add missing locking around ampdu action
	debugfs: Fix !DEBUG_FS debugfs_create_automount
	SUNRPC: Capture completion of all RPC tasks
	CIFS: Use common error handling code in smb2_ioctl_query_info()
	CIFS: Properly process SMB3 lease breaks
	f2fs: stop GC when the victim becomes fully valid
	ASoC: max98090: remove msleep in PLL unlocked workaround
	xtensa: fix system_call interaction with ptrace
	s390: avoid misusing CALL_ON_STACK for task stack setup
	xfs: fix realtime file data space leak
	drm/amdgpu: fix calltrace during kmd unload(v3)
	arm64: insn: consistently handle exit text
	selftests/bpf: De-flake test_tcpbpf
	kernel/notifier.c: intercept duplicate registrations to avoid infinite loops
	kernel/sys.c: avoid copying possible padding bytes in copy_to_user
	KVM: arm/arm64: vgic: Fix potential double free dist->spis in __kvm_vgic_destroy()
	module: Remove accidental change of module_enable_x()
	xfs: fix log reservation overflows when allocating large rt extents
	ALSA: hda: enable regmap internal locking
	tipc: fix link overflow issue at socket shutdown
	vcc_seq_next should increase position index
	neigh_stat_seq_next() should increase position index
	rt_cpu_seq_next should increase position index
	ipv6_route_seq_next should increase position index
	drm/mcde: Handle pending vblank while disabling display
	seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
	drm/scheduler: Avoid accessing freed bad job.
	media: ti-vpe: cal: Restrict DMA to avoid memory corruption
	opp: Replace list_kref with a local counter
	scsi: qla2xxx: Fix stuck session in GNL
	scsi: lpfc: Fix incomplete NVME discovery when target
	sctp: move trace_sctp_probe_path into sctp_outq_sack
	ACPI: EC: Reference count query handlers under lock
	scsi: ufs: Make ufshcd_add_command_trace() easier to read
	scsi: ufs: Fix a race condition in the tracing code
	drm/amd/display: Initialize DSC PPS variables to 0
	i2c: tegra: Prevent interrupt triggering after transfer timeout
	btrfs: tree-checker: Check leaf chunk item size
	dmaengine: zynqmp_dma: fix burst length configuration
	s390/cpum_sf: Use kzalloc and minor changes
	nfsd: Fix a soft lockup race in nfsd_file_mark_find_or_create()
	powerpc/eeh: Only dump stack once if an MMIO loop is detected
	Bluetooth: btrtl: Use kvmalloc for FW allocations
	tracing: Set kernel_stack's caller size properly
	ARM: 8948/1: Prevent OOB access in stacktrace
	ar5523: Add USB ID of SMCWUSBT-G2 wireless adapter
	ceph: ensure we have a new cap before continuing in fill_inode
	selftests/ftrace: fix glob selftest
	tools/power/x86/intel_pstate_tracer: changes for python 3 compatibility
	Bluetooth: Fix refcount use-after-free issue
	mm/swapfile.c: swap_next should increase position index
	mm: pagewalk: fix termination condition in walk_pte_range()
	Bluetooth: prefetch channel before killing sock
	KVM: fix overflow of zero page refcount with ksm running
	ALSA: hda: Clear RIRB status before reading WP
	skbuff: fix a data race in skb_queue_len()
	nfsd: Fix a perf warning
	drm/amd/display: fix workaround for incorrect double buffer register for DLG ADL and TTU
	audit: CONFIG_CHANGE don't log internal bookkeeping as an event
	selinux: sel_avc_get_stat_idx should increase position index
	scsi: lpfc: Fix RQ buffer leakage when no IOCBs available
	scsi: lpfc: Fix release of hwq to clear the eq relationship
	scsi: lpfc: Fix coverity errors in fmdi attribute handling
	drm/omap: fix possible object reference leak
	locking/lockdep: Decrement IRQ context counters when removing lock chain
	clk: stratix10: use do_div() for 64-bit calculation
	crypto: chelsio - This fixes the kernel panic which occurs during a libkcapi test
	mt76: clear skb pointers from rx aggregation reorder buffer during cleanup
	mt76: fix handling full tx queues in mt76_dma_tx_queue_skb_raw
	ALSA: usb-audio: Don't create a mixer element with bogus volume range
	perf test: Fix test trace+probe_vfs_getname.sh on s390
	RDMA/rxe: Fix configuration of atomic queue pair attributes
	KVM: x86: fix incorrect comparison in trace event
	KVM: nVMX: Hold KVM's srcu lock when syncing vmcs12->shadow
	dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all
	media: staging/imx: Missing assignment in imx_media_capture_device_register()
	x86/pkeys: Add check for pkey "overflow"
	bpf: Remove recursion prevention from rcu free callback
	dmaengine: stm32-dma: use vchan_terminate_vdesc() in .terminate_all
	dmaengine: tegra-apb: Prevent race conditions on channel's freeing
	soundwire: bus: disable pm_runtime in sdw_slave_delete
	drm/amd/display: dal_ddc_i2c_payloads_create can fail causing panic
	drm/omap: dss: Cleanup DSS ports on initialisation failure
	iavf: use tc_cls_can_offload_and_chain0() instead of chain check
	firmware: arm_sdei: Use cpus_read_lock() to avoid races with cpuhp
	random: fix data races at timer_rand_state
	bus: hisi_lpc: Fixup IO ports addresses to avoid use-after-free in host removal
	ASoC: SOF: ipc: check ipc return value before data copy
	media: go7007: Fix URB type for interrupt handling
	Bluetooth: guard against controllers sending zero'd events
	timekeeping: Prevent 32bit truncation in scale64_check_overflow()
	powerpc/book3s64: Fix error handling in mm_iommu_do_alloc()
	drm/amd/display: fix image corruption with ODM 2:1 DSC 2 slice
	ext4: fix a data race at inode->i_disksize
	perf jevents: Fix leak of mapfile memory
	mm: avoid data corruption on CoW fault into PFN-mapped VMA
	drm/amdgpu: increase atombios cmd timeout
	ARM: OMAP2+: Handle errors for cpu_pm
	drm/amd/display: Stop if retimer is not available
	clk: imx: Fix division by zero warning on pfdv2
	cpu-topology: Fix the potential data corruption
	s390/irq: replace setup_irq() by request_irq()
	perf cs-etm: Swap packets for instruction samples
	perf cs-etm: Correct synthesizing instruction samples
	ath10k: use kzalloc to read for ath10k_sdio_hif_diag_read
	scsi: aacraid: Disabling TM path and only processing IOP reset
	Bluetooth: L2CAP: handle l2cap config request during open state
	media: tda10071: fix unsigned sign extension overflow
	tty: sifive: Finish transmission before changing the clock
	xfs: don't ever return a stale pointer from __xfs_dir3_free_read
	xfs: mark dir corrupt when lookup-by-hash fails
	ext4: mark block bitmap corrupted when found instead of BUGON
	tpm: ibmvtpm: Wait for buffer to be set before proceeding
	rtc: sa1100: fix possible race condition
	rtc: ds1374: fix possible race condition
	nfsd: Don't add locks to closed or closing open stateids
	RDMA/cm: Remove a race freeing timewait_info
	intel_th: Disallow multi mode on devices where it's broken
	KVM: PPC: Book3S HV: Treat TM-related invalid form instructions on P9 like the valid ones
	drm/msm: fix leaks if initialization fails
	drm/msm/a5xx: Always set an OPP supported hardware value
	tracing: Use address-of operator on section symbols
	thermal: rcar_thermal: Handle probe error gracefully
	KVM: LAPIC: Mark hrtimer for period or oneshot mode to expire in hard interrupt context
	perf parse-events: Fix 3 use after frees found with clang ASAN
	btrfs: do not init a reloc root if we aren't relocating
	btrfs: free the reloc_control in a consistent way
	r8169: improve RTL8168b FIFO overflow workaround
	serial: 8250_port: Don't service RX FIFO if throttled
	serial: 8250_omap: Fix sleeping function called from invalid context during probe
	serial: 8250: 8250_omap: Terminate DMA before pushing data on RX timeout
	perf cpumap: Fix snprintf overflow check
	net: axienet: Convert DMA error handler to a work queue
	net: axienet: Propagate failure of DMA descriptor setup
	cpufreq: powernv: Fix frame-size-overflow in powernv_cpufreq_work_fn
	tools: gpio-hammer: Avoid potential overflow in main
	exec: Add exec_update_mutex to replace cred_guard_mutex
	exec: Fix a deadlock in strace
	selftests/ptrace: add test cases for dead-locks
	kernel/kcmp.c: Use new infrastructure to fix deadlocks in execve
	proc: Use new infrastructure to fix deadlocks in execve
	proc: io_accounting: Use new infrastructure to fix deadlocks in execve
	perf: Use new infrastructure to fix deadlocks in execve
	nvme-multipath: do not reset on unknown status
	nvme: Fix ctrl use-after-free during sysfs deletion
	nvme: Fix controller creation races with teardown flow
	brcmfmac: Fix double freeing in the fmac usb data path
	xfs: prohibit fs freezing when using empty transactions
	RDMA/rxe: Set sys_image_guid to be aligned with HW IB devices
	IB/iser: Always check sig MR before putting it to the free pool
	scsi: hpsa: correct race condition in offload enabled
	SUNRPC: Fix a potential buffer overflow in 'svc_print_xprts()'
	svcrdma: Fix leak of transport addresses
	netfilter: nf_tables: silence a RCU-list warning in nft_table_lookup()
	PCI: Use ioremap(), not phys_to_virt() for platform ROM
	ubifs: ubifs_jnl_write_inode: Fix a memory leak bug
	ubifs: ubifs_add_orphan: Fix a memory leak bug
	ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len
	ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor
	PCI: pciehp: Fix MSI interrupt race
	NFS: Fix races nfs_page_group_destroy() vs nfs_destroy_unlinked_subrequests()
	drm/amdgpu/vcn2.0: stall DPG when WPTR/RPTR reset
	powerpc/perf: Implement a global lock to avoid races between trace, core and thread imc events.
	mm/kmemleak.c: use address-of operator on section symbols
	mm/filemap.c: clear page error before actual read
	mm/swapfile: fix data races in try_to_unuse()
	mm/vmscan.c: fix data races using kswapd_classzone_idx
	SUNRPC: Don't start a timer on an already queued rpc task
	nvmet-rdma: fix double free of rdma queue
	workqueue: Remove the warning in wq_worker_sleeping()
	drm/amdgpu/sriov add amdgpu_amdkfd_pre_reset in gpu reset
	mm/mmap.c: initialize align_offset explicitly for vm_unmapped_area
	ALSA: hda: Skip controller resume if not needed
	scsi: qedi: Fix termination timeouts in session logout
	serial: uartps: Wait for tx_empty in console setup
	btrfs: fix setting last_trans for reloc roots
	KVM: Remove CREATE_IRQCHIP/SET_PIT2 race
	perf stat: Force error in fallback on :k events
	bdev: Reduce time holding bd_mutex in sync in blkdev_close()
	drivers: char: tlclk.c: Avoid data race between init and interrupt handler
	KVM: arm64: vgic-v3: Retire all pending LPIs on vcpu destroy
	KVM: arm64: vgic-its: Fix memory leak on the error path of vgic_add_lpi()
	net: openvswitch: use u64 for meter bucket
	scsi: aacraid: Fix error handling paths in aac_probe_one()
	staging:r8188eu: avoid skb_clone for amsdu to msdu conversion
	sparc64: vcc: Fix error return code in vcc_probe()
	arm64: cpufeature: Relax checks for AArch32 support at EL[0-2]
	sched/fair: Eliminate bandwidth race between throttling and distribution
	dpaa2-eth: fix error return code in setup_dpni()
	dt-bindings: sound: wm8994: Correct required supplies based on actual implementaion
	devlink: Fix reporter's recovery condition
	atm: fix a memory leak of vcc->user_back
	media: venus: vdec: Init registered list unconditionally
	perf mem2node: Avoid double free related to realloc
	mm/slub: fix incorrect interpretation of s->offset
	i2c: tegra: Restore pinmux on system resume
	power: supply: max17040: Correct voltage reading
	phy: samsung: s5pv210-usb2: Add delay after reset
	Bluetooth: Handle Inquiry Cancel error after Inquiry Complete
	USB: EHCI: ehci-mv: fix error handling in mv_ehci_probe()
	KVM: x86: handle wrap around 32-bit address space
	tipc: fix memory leak in service subscripting
	tty: serial: samsung: Correct clock selection logic
	ALSA: hda: Fix potential race in unsol event handler
	drm/exynos: dsi: Remove bridge node reference in error handling path in probe function
	ipmi:bt-bmc: Fix error handling and status check
	powerpc/traps: Make unrecoverable NMIs die instead of panic
	svcrdma: Fix backchannel return code
	fuse: don't check refcount after stealing page
	fuse: update attr_version counter on fuse_notify_inval_inode()
	USB: EHCI: ehci-mv: fix less than zero comparison of an unsigned int
	coresight: etm4x: Fix use-after-free of per-cpu etm drvdata
	arm64: acpi: Make apei_claim_sea() synchronise with APEI's irq work
	scsi: cxlflash: Fix error return code in cxlflash_probe()
	arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
	drm/amdkfd: fix restore worker race condition
	e1000: Do not perform reset in reset_task if we are already down
	drm/nouveau/debugfs: fix runtime pm imbalance on error
	drm/nouveau: fix runtime pm imbalance on error
	drm/nouveau/dispnv50: fix runtime pm imbalance on error
	printk: handle blank console arguments passed in.
	usb: dwc3: Increase timeout for CmdAct cleared by device controller
	btrfs: don't force read-only after error in drop snapshot
	btrfs: fix double __endio_write_update_ordered in direct I/O
	gpio: rcar: Fix runtime PM imbalance on error
	vfio/pci: fix memory leaks of eventfd ctx
	KVM: PPC: Book3S HV: Close race with page faults around memslot flushes
	perf evsel: Fix 2 memory leaks
	perf trace: Fix the selection for architectures to generate the errno name tables
	perf stat: Fix duration_time value for higher intervals
	perf util: Fix memory leak of prefix_if_not_in
	perf metricgroup: Free metric_events on error
	perf kcore_copy: Fix module map when there are no modules loaded
	PCI: tegra194: Fix runtime PM imbalance on error
	ASoC: img-i2s-out: Fix runtime PM imbalance on error
	wlcore: fix runtime pm imbalance in wl1271_tx_work
	wlcore: fix runtime pm imbalance in wlcore_regdomain_config
	mtd: rawnand: gpmi: Fix runtime PM imbalance on error
	mtd: rawnand: omap_elm: Fix runtime PM imbalance on error
	PCI: tegra: Fix runtime PM imbalance on error
	ceph: fix potential race in ceph_check_caps
	mm/swap_state: fix a data race in swapin_nr_pages
	mm: memcontrol: fix stat-corrupting race in charge moving
	rapidio: avoid data race between file operation callbacks and mport_cdev_add().
	mtd: parser: cmdline: Support MTD names containing one or more colons
	x86/speculation/mds: Mark mds_user_clear_cpu_buffers() __always_inline
	NFS: nfs_xdr_status should record the procedure name
	vfio/pci: Clear error and request eventfd ctx after releasing
	cifs: Fix double add page to memcg when cifs_readpages
	nvme: fix possible deadlock when I/O is blocked
	mac80211: skip mpath lookup also for control port tx
	scsi: libfc: Handling of extra kref
	scsi: libfc: Skip additional kref updating work event
	selftests/x86/syscall_nt: Clear weird flags after each test
	vfio/pci: fix racy on error and request eventfd ctx
	btrfs: qgroup: fix data leak caused by race between writeback and truncate
	perf tests: Fix test 68 zstd compression for s390
	scsi: qla2xxx: Retry PLOGI on FC-NVMe PRLI failure
	ubi: fastmap: Free unused fastmap anchor peb during detach
	mt76: fix LED link time failure
	opp: Increase parsed_static_opps in _of_add_opp_table_v1()
	perf parse-events: Use strcmp() to compare the PMU name
	ALSA: hda: Always use jackpoll helper for jack update after resume
	ALSA: hda: Workaround for spurious wakeups on some Intel platforms
	net: openvswitch: use div_u64() for 64-by-32 divisions
	nvme: explicitly update mpath disk capacity on revalidation
	device_cgroup: Fix RCU list debugging warning
	ASoC: pcm3168a: ignore 0 Hz settings
	ASoC: wm8994: Skip setting of the WM8994_MICBIAS register for WM1811
	ASoC: wm8994: Ensure the device is resumed in wm89xx_mic_detect functions
	ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN Converter9 2-in-1
	RISC-V: Take text_mutex in ftrace_init_nop()
	i2c: aspeed: Mask IRQ status to relevant bits
	s390/init: add missing __init annotations
	lockdep: fix order in trace_hardirqs_off_caller()
	EDAC/ghes: Check whether the driver is on the safe list correctly
	drm/amdkfd: fix a memory leak issue
	drm/amd/display: update nv1x stutter latencies
	drm/amdgpu/dc: Require primary plane to be enabled whenever the CRTC is
	i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices()
	objtool: Fix noreturn detection for ignored functions
	ieee802154: fix one possible memleak in ca8210_dev_com_init
	ieee802154/adf7242: check status of adf7242_read_reg
	clocksource/drivers/h8300_timer8: Fix wrong return value in h8300_8timer_init()
	mwifiex: Increase AES key storage size to 256 bits
	batman-adv: bla: fix type misuse for backbone_gw hash indexing
	atm: eni: fix the missed pci_disable_device() for eni_init_one()
	batman-adv: mcast/TT: fix wrongly dropped or rerouted packets
	netfilter: conntrack: nf_conncount_init is failing with IPv6 disabled
	mac802154: tx: fix use-after-free
	bpf: Fix clobbering of r2 in bpf_gen_ld_abs
	drm/vc4/vc4_hdmi: fill ASoC card owner
	net: qed: Disable aRFS for NPAR and 100G
	net: qede: Disable aRFS for NPAR and 100G
	net: qed: RDMA personality shouldn't fail VF load
	drm/sun4i: sun8i-csc: Secondary CSC register correction
	batman-adv: Add missing include for in_interrupt()
	nvme-tcp: fix kconfig dependency warning when !CRYPTO
	batman-adv: mcast: fix duplicate mcast packets in BLA backbone from LAN
	batman-adv: mcast: fix duplicate mcast packets in BLA backbone from mesh
	batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh
	bpf: Fix a rcu warning for bpffs map pretty-print
	lib80211: fix unmet direct dependendices config warning when !CRYPTO
	ALSA: asihpi: fix iounmap in error handler
	regmap: fix page selection for noinc reads
	regmap: fix page selection for noinc writes
	MIPS: Add the missing 'CPU_1074K' into __get_cpu_type()
	regulator: axp20x: fix LDO2/4 description
	KVM: x86: Reset MMU context if guest toggles CR4.SMAP or CR4.PKE
	KVM: SVM: Add a dedicated INVD intercept routine
	mm: validate pmd after splitting
	arch/x86/lib/usercopy_64.c: fix __copy_user_flushcache() cache writeback
	x86/ioapic: Unbreak check_timer()
	scsi: lpfc: Fix initial FLOGI failure due to BBSCN not supported
	ALSA: usb-audio: Add delay quirk for H570e USB headsets
	ALSA: hda/realtek - Couldn't detect Mic if booting with headset plugged
	ALSA: hda/realtek: Enable front panel headset LED on Lenovo ThinkStation P520
	lib/string.c: implement stpcpy
	tracing: fix double free
	s390/dasd: Fix zero write for FBA devices
	kprobes: Fix to check probe enabled before disarm_kprobe_ftrace()
	kprobes: tracing/kprobes: Fix to kill kprobes on initmem after boot
	btrfs: fix overflow when copying corrupt csums for a message
	dmabuf: fix NULL pointer dereference in dma_buf_release()
	mm, THP, swap: fix allocating cluster for swapfile by mistake
	mm/gup: fix gup_fast with dynamic page table folding
	s390/zcrypt: Fix ZCRYPT_PERDEV_REQCNT ioctl
	KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch
	dm: fix bio splitting and its bio completion order for regular IO
	kprobes: Fix compiler warning for !CONFIG_KPROBES_ON_FTRACE
	ata: define AC_ERR_OK
	ata: make qc_prep return ata_completion_errors
	ata: sata_mv, avoid trigerrable BUG_ON
	Linux 5.4.69

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2a26b4f6fd89b641fa80e339ee72089da51a1415
2020-10-01 18:00:35 +02:00
Vasily Gorbik
4f5260ee0c mm/gup: fix gup_fast with dynamic page table folding
commit d3f7b1bb204099f2f7306318896223e8599bb6a2 upstream.

Currently to make sure that every page table entry is read just once
gup_fast walks perform READ_ONCE and pass pXd value down to the next
gup_pXd_range function by value e.g.:

  static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end,
                           unsigned int flags, struct page **pages, int *nr)
  ...
          pudp = pud_offset(&p4d, addr);

This function passes a reference on that local value copy to pXd_offset,
and might get the very same pointer in return.  This happens when the
level is folded (on most arches), and that pointer should not be
iterated.

On s390 due to the fact that each task might have different 5,4 or
3-level address translation and hence different levels folded the logic
is more complex and non-iteratable pointer to a local copy leads to
severe problems.

Here is an example of what happens with gup_fast on s390, for a task
with 3-level paging, crossing a 2 GB pud boundary:

  // addr = 0x1007ffff000, end = 0x10080001000
  static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end,
                           unsigned int flags, struct page **pages, int *nr)
  {
        unsigned long next;
        pud_t *pudp;

        // pud_offset returns &p4d itself (a pointer to a value on stack)
        pudp = pud_offset(&p4d, addr);
        do {
                // on second iteratation reading "random" stack value
                pud_t pud = READ_ONCE(*pudp);

                // next = 0x10080000000, due to PUD_SIZE/MASK != PGDIR_SIZE/MASK on s390
                next = pud_addr_end(addr, end);
                ...
        } while (pudp++, addr = next, addr != end); // pudp++ iterating over stack

        return 1;
  }

This happens since s390 moved to common gup code with commit
d1874a0c28 ("s390/mm: make the pxd_offset functions more robust") and
commit 1a42010cdc ("s390/mm: convert to the generic
get_user_pages_fast code").

s390 tried to mimic static level folding by changing pXd_offset
primitives to always calculate top level page table offset in pgd_offset
and just return the value passed when pXd_offset has to act as folded.

What is crucial for gup_fast and what has been overlooked is that
PxD_SIZE/MASK and thus pXd_addr_end should also change correspondingly.
And the latter is not possible with dynamic folding.

To fix the issue in addition to pXd values pass original pXdp pointers
down to gup_pXd_range functions.  And introduce pXd_offset_lockless
helpers, which take an additional pXd entry value parameter.  This has
already been discussed in

  https://lkml.kernel.org/r/20190418100218.0a4afd51@mschwideX1

Fixes: 1a42010cdc ("s390/mm: convert to the generic get_user_pages_fast code")
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: <stable@vger.kernel.org>	[5.2+]
Link: https://lkml.kernel.org/r/patch.git-943f1e5dcff2.your-ad-here.call-01599856292-ext-8676@work.hours
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-01 13:18:24 +02:00
Greg Kroah-Hartman
c0b1779755 This is the 5.4.59 stable release
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Merge 5.4.59 into android11-5.4

Changes in 5.4.59
	tracepoint: Mark __tracepoint_string's __used
	HID: input: Fix devices that return multiple bytes in battery report
	nvme: add a Identify Namespace Identification Descriptor list quirk
	fs/io_uring.c: Fix uninitialized variable is referenced in io_submit_sqe
	clk: qcom: clk-rpmh: Wait for completion when enabling clocks
	x86/mce/inject: Fix a wrong assignment of i_mce.status
	sched/fair: Fix NOHZ next idle balance
	sched: correct SD_flags returned by tl->sd_flags()
	arm64: dts: rockchip: fix rk3368-lion gmac reset gpio
	arm64: dts: rockchip: fix rk3399-puma vcc5v0-host gpio
	arm64: dts: rockchip: fix rk3399-puma gmac reset gpio
	EDAC: Fix reference count leaks
	crc-t10dif: Fix potential crypto notify dead-lock
	arm64: dts: qcom: msm8916: Replace invalid bias-pull-none property
	blktrace: fix debugfs use after free
	crypto: ccree - fix resource leak on error path
	ARM: exynos: MCPM: Restore big.LITTLE cpuidle support
	firmware: arm_scmi: Fix SCMI genpd domain probing
	arm64: dts: exynos: Fix silent hang after boot on Espresso
	sched/uclamp: Fix initialization of struct uclamp_rq
	clk: scmi: Fix min and max rate when registering clocks with discrete rates
	m68k: mac: Don't send IOP message until channel is idle
	m68k: mac: Fix IOP status/control register writes
	platform/x86: intel-hid: Fix return value check in check_acpi_dev()
	platform/x86: intel-vbtn: Fix return value check in check_acpi_dev()
	ARM: dts: gose: Fix ports node name for adv7180
	ARM: dts: gose: Fix ports node name for adv7612
	ARM: at91: pm: add missing put_device() call in at91_pm_sram_init()
	ARM: dts: sunxi: bananapi-m2-plus-v1.2: Add regulator supply to all CPU cores
	ARM: dts: sunxi: bananapi-m2-plus-v1.2: Fix CPU supply voltages
	spi: lantiq: fix: Rx overflow error in full duplex mode
	tpm: Require that all digests are present in TCG_PCR_EVENT2 structures
	recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64.
	regulator: fix memory leak on error path of regulator_register()
	io_uring: fix sq array offset calculation
	spi: rockchip: Fix error in SPI slave pio read
	ARM: socfpga: PM: add missing put_device() call in socfpga_setup_ocram_self_refresh()
	iocost: Fix check condition of iocg abs_vdebt
	irqchip/ti-sci-inta: Fix return value about devm_ioremap_resource()
	seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID
	md: raid0/linear: fix dereference before null check on pointer mddev
	nvme-tcp: fix controller reset hang during traffic
	nvme-rdma: fix controller reset hang during traffic
	nvme-multipath: fix logic for non-optimized paths
	nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths
	drm/tilcdc: fix leak & null ref in panel_connector_get_modes
	soc: qcom: rpmh-rsc: Set suppress_bind_attrs flag
	Bluetooth: add a mutex lock to avoid UAF in do_enale_set
	loop: be paranoid on exit and prevent new additions / removals
	fs/btrfs: Add cond_resched() for try_release_extent_mapping() stalls
	drm/amdgpu: avoid dereferencing a NULL pointer
	drm/radeon: Fix reference count leaks caused by pm_runtime_get_sync
	crypto: aesni - Fix build with LLVM_IAS=1
	video: fbdev: savage: fix memory leak on error handling path in probe
	video: fbdev: neofb: fix memory leak in neo_scan_monitor()
	bus: ti-sysc: Add missing quirk flags for usb_host_hs
	md-cluster: fix wild pointer of unlock_all_bitmaps()
	drm/nouveau/kms/nv50-: Fix disabling dithering
	arm64: dts: hisilicon: hikey: fixes to comply with adi, adv7533 DT binding
	drm/etnaviv: fix ref count leak via pm_runtime_get_sync
	drm/nouveau: fix reference count leak in nouveau_debugfs_strap_peek
	drm/nouveau: fix multiple instances of reference count leaks
	mmc: sdhci-cadence: do not use hardware tuning for SD mode
	btrfs: fix lockdep splat from btrfs_dump_space_info
	usb: mtu3: clear dual mode of u3port when disable device
	drm: msm: a6xx: fix gpu failure after system resume
	drm/msm: Fix a null pointer access in msm_gem_shrinker_count()
	drm/debugfs: fix plain echo to connector "force" attribute
	drm/radeon: disable AGP by default
	irqchip/irq-mtk-sysirq: Replace spinlock with raw_spinlock
	mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls
	drm/amdgpu/display bail early in dm_pp_get_static_clocks
	drm/amd/powerplay: fix compile error with ARCH=arc
	bpf: Fix fds_example SIGSEGV error
	brcmfmac: keep SDIO watchdog running when console_interval is non-zero
	brcmfmac: To fix Bss Info flag definition Bug
	brcmfmac: set state of hanger slot to FREE when flushing PSQ
	platform/x86: asus-nb-wmi: add support for ASUS ROG Zephyrus G14 and G15
	iwlegacy: Check the return value of pcie_capability_read_*()
	gpu: host1x: debug: Fix multiple channels emitting messages simultaneously
	ionic: update eid test for overflow
	mmc: sdhci-pci-o2micro: Bug fix for O2 host controller Seabird1
	usb: gadget: net2280: fix memory leak on probe error handling paths
	bdc: Fix bug causing crash after multiple disconnects
	usb: bdc: Halt controller on suspend
	dyndbg: fix a BUG_ON in ddebug_describe_flags
	bcache: fix super block seq numbers comparision in register_cache_set()
	ACPICA: Do not increment operation_region reference counts for field units
	drm/msm: ratelimit crtc event overflow error
	drm/gem: Fix a leak in drm_gem_objects_lookup()
	drm/bridge: ti-sn65dsi86: Clear old error bits before AUX transfers
	agp/intel: Fix a memory leak on module initialisation failure
	mwifiex: Fix firmware filename for sd8977 chipset
	mwifiex: Fix firmware filename for sd8997 chipset
	btmrvl: Fix firmware filename for sd8977 chipset
	btmrvl: Fix firmware filename for sd8997 chipset
	video: fbdev: sm712fb: fix an issue about iounmap for a wrong address
	console: newport_con: fix an issue about leak related system resources
	video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call
	ath10k: Acquire tx_lock in tx error paths
	iio: improve IIO_CONCENTRATION channel type description
	drm/etnaviv: Fix error path on failure to enable bus clk
	drm/arm: fix unintentional integer overflow on left shift
	clk: bcm63xx-gate: fix last clock availability
	leds: lm355x: avoid enum conversion warning
	Bluetooth: btusb: fix up firmware download sequence
	Bluetooth: btmtksdio: fix up firmware download sequence
	media: cxusb-analog: fix V4L2 dependency
	media: marvell-ccic: Add missed v4l2_async_notifier_cleanup()
	media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init_entities()
	ASoC: SOF: nocodec: add missing .owner field
	ASoC: Intel: bxt_rt298: add missing .owner field
	scsi: cumana_2: Fix different dev_id between request_irq() and free_irq()
	drm/mipi: use dcs write for mipi_dsi_dcs_set_tear_scanline
	cxl: Fix kobject memleak
	drm/radeon: fix array out-of-bounds read and write issues
	staging: vchiq_arm: Add a matching unregister call
	iavf: fix error return code in iavf_init_get_resources()
	iavf: Fix updating statistics
	RDMA/core: Fix bogus WARN_ON during ib_unregister_device_queued()
	scsi: powertec: Fix different dev_id between request_irq() and free_irq()
	scsi: eesox: Fix different dev_id between request_irq() and free_irq()
	ipvs: allow connection reuse for unconfirmed conntrack
	media: firewire: Using uninitialized values in node_probe()
	media: exynos4-is: Add missed check for pinctrl_lookup_state()
	media: cros-ec-cec: do not bail on device_init_wakeup failure
	xfs: don't eat an EIO/ENOSPC writeback error when scrubbing data fork
	xfs: fix reflink quota reservation accounting error
	RDMA/rxe: Skip dgid check in loopback mode
	PCI: Fix pci_cfg_wait queue locking problem
	drm/stm: repair runtime power management
	kobject: Avoid premature parent object freeing in kobject_cleanup()
	leds: core: Flush scheduled work for system suspend
	drm: panel: simple: Fix bpc for LG LB070WV8 panel
	phy: exynos5-usbdrd: Calibrating makes sense only for USB2.0 PHY
	drm/bridge: sil_sii8620: initialize return of sii8620_readb
	scsi: scsi_debug: Add check for sdebug_max_queue during module init
	mwifiex: Prevent memory corruption handling keys
	kernfs: do not call fsnotify() with name without a parent
	powerpc/rtas: don't online CPUs for partition suspend
	powerpc/vdso: Fix vdso cpu truncation
	RDMA/qedr: SRQ's bug fixes
	RDMA/rxe: Prevent access to wr->next ptr afrer wr is posted to send queue
	ima: Have the LSM free its audit rule
	staging: rtl8192u: fix a dubious looking mask before a shift
	ASoC: meson: fixes the missed kfree() for axg_card_add_tdm_loopback
	PCI/ASPM: Add missing newline in sysfs 'policy'
	phy: renesas: rcar-gen3-usb2: move irq registration to init
	powerpc/book3s64/pkeys: Use PVR check instead of cpu feature
	drm/imx: fix use after free
	drm/imx: tve: fix regulator_disable error path
	gpu: ipu-v3: Restore RGB32, BGR32
	spi: lantiq-ssc: Fix warning by using WQ_MEM_RECLAIM
	USB: serial: iuu_phoenix: fix led-activity helpers
	usb: core: fix quirks_param_set() writing to a const pointer
	thermal: ti-soc-thermal: Fix reversed condition in ti_thermal_expose_sensor()
	coresight: tmc: Fix TMC mode read in tmc_read_unprepare_etb()
	powerpc/perf: Fix missing is_sier_aviable() during build
	mt76: mt7615: fix potential memory leak in mcu message handler
	phy: armada-38x: fix NETA lockup when repeatedly switching speeds
	MIPS: OCTEON: add missing put_device() call in dwc3_octeon_device_init()
	usb: dwc2: Fix error path in gadget registration
	usb: gadget: f_uac2: fix AC Interface Header Descriptor wTotalLength
	scsi: megaraid_sas: Clear affinity hint
	scsi: mesh: Fix panic after host or bus reset
	net: dsa: mv88e6xxx: MV88E6097 does not support jumbo configuration
	macintosh/via-macii: Access autopoll_devs when inside lock
	PCI: cadence: Fix updating Vendor ID and Subsystem Vendor ID register
	RDMA/core: Fix return error value in _ib_modify_qp() to negative
	Smack: fix another vsscanf out of bounds
	Smack: prevent underflow in smk_set_cipso()
	power: supply: check if calc_soc succeeded in pm860x_init_battery
	Bluetooth: hci_h5: Set HCI_UART_RESET_ON_INIT to correct flags
	Bluetooth: hci_serdev: Only unregister device if it was registered
	net: dsa: rtl8366: Fix VLAN semantics
	net: dsa: rtl8366: Fix VLAN set-up
	xfs: fix inode allocation block res calculation precedence
	selftests/powerpc: Squash spurious errors due to device removal
	powerpc/32s: Fix CONFIG_BOOK3S_601 uses
	powerpc/boot: Fix CONFIG_PPC_MPC52XX references
	selftests/powerpc: Fix CPU affinity for child process
	RDMA/netlink: Remove CAP_NET_RAW check when dump a raw QP
	PCI: Release IVRS table in AMD ACS quirk
	cpufreq: ap806: fix cpufreq driver needs ap cpu clk
	selftests/powerpc: Fix online CPU selection
	ASoC: meson: axg-tdm-interface: fix link fmt setup
	ASoC: meson: axg-tdmin: fix g12a skew
	ASoC: meson: axg-tdm-formatters: fix sclk inversion
	ASoC: fsl_sai: Fix value of FSL_SAI_CR1_RFW_MASK
	s390/qeth: don't process empty bridge port events
	ice: Graceful error handling in HW table calloc failure
	rtw88: fix LDPC field for RA info
	rtw88: fix short GI capability based on current bandwidth
	rtw88: coex: only skip coex triggered by BT info
	wl1251: fix always return 0 error
	tools, build: Propagate build failures from tools/build/Makefile.build
	tools, bpftool: Fix wrong return value in do_dump()
	net/mlx5: DR, Change push vlan action sequence
	net/mlx5: Delete extra dump stack that gives nothing
	net: ethernet: aquantia: Fix wrong return value
	liquidio: Fix wrong return value in cn23xx_get_pf_num()
	net: spider_net: Fix the size used in a 'dma_free_coherent()' call
	fsl/fman: use 32-bit unsigned integer
	fsl/fman: fix dereference null return value
	fsl/fman: fix unreachable code
	fsl/fman: check dereferencing null pointer
	fsl/fman: fix eth hash table allocation
	net: thunderx: initialize VF's mailbox mutex before first usage
	dlm: Fix kobject memleak
	ocfs2: fix unbalanced locking
	pinctrl-single: fix pcs_parse_pinconf() return value
	svcrdma: Fix page leak in svc_rdma_recv_read_chunk()
	SUNRPC: Fix ("SUNRPC: Add "@len" parameter to gss_unwrap()")
	x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task
	crypto: aesni - add compatibility with IAS
	af_packet: TPACKET_V3: fix fill status rwlock imbalance
	drivers/net/wan/lapbether: Added needed_headroom and a skb->len check
	net: Fix potential memory leak in proto_register()
	net/nfc/rawsock.c: add CAP_NET_RAW check.
	net: phy: fix memory leak in device-create error path
	net: Set fput_needed iff FDPUT_FPUT is set
	net/tls: Fix kmap usage
	tcp: correct read of TFO keys on big endian systems
	vmxnet3: use correct tcp hdr length when packet is encapsulated
	net: refactor bind_bucket fastreuse into helper
	net: initialize fastreuse on inet_inherit_port
	USB: serial: cp210x: re-enable auto-RTS on open
	USB: serial: cp210x: enable usb generic throttle/unthrottle
	ALSA: hda - fix the micmute led status for Lenovo ThinkCentre AIO
	ALSA: usb-audio: Creative USB X-Fi Pro SB1095 volume knob support
	ALSA: usb-audio: fix overeager device match for MacroSilicon MS2109
	ALSA: usb-audio: work around streaming quirk for MacroSilicon MS2109
	9p: Fix memory leak in v9fs_mount
	media: media-request: Fix crash if memory allocation fails
	drm/ttm/nouveau: don't call tt destroy callback on alloc failure.
	io_uring: set ctx sq/cq entry count earlier
	NFS: Don't move layouts to plh_return_segs list while in use
	NFS: Don't return layout segments that are in use
	cpufreq: Fix locking issues with governors
	cpufreq: dt: fix oops on armada37xx
	include/asm-generic/vmlinux.lds.h: align ro_after_init
	spi: spidev: Align buffers for DMA
	mtd: rawnand: qcom: avoid write to unavailable register
	erofs: fix extended inode could cross boundary
	Revert "parisc: Drop LDCW barrier in CAS code when running UP"
	Revert "parisc: Use ldcw instruction for SMP spinlock release barrier"
	Revert "parisc: Revert "Release spinlocks using ordered store""
	parisc: Do not use an ordered store in pa_tlb_lock()
	parisc: Implement __smp_store_release and __smp_load_acquire barriers
	parisc: mask out enable and reserved bits from sba imask
	ARM: 8992/1: Fix unwind_frame for clang-built kernels
	irqdomain/treewide: Free firmware node after domain removal
	ALSA: usb-audio: add quirk for Pioneer DDJ-RB
	tpm: Unify the mismatching TPM space buffer sizes
	pstore: Fix linking when crypto API disabled
	crypto: hisilicon - don't sleep of CRYPTO_TFM_REQ_MAY_SLEEP was not specified
	crypto: qat - fix double free in qat_uclo_create_batch_init_list
	crypto: ccp - Fix use of merged scatterlists
	crypto: cpt - don't sleep of CRYPTO_TFM_REQ_MAY_SLEEP was not specified
	bitfield.h: don't compile-time validate _val in FIELD_FIT
	fs/minix: check return value of sb_getblk()
	fs/minix: don't allow getting deleted inodes
	fs/minix: reject too-large maximum file size
	xen/balloon: fix accounting in alloc_xenballooned_pages error path
	xen/balloon: make the balloon wait interruptible
	xen/gntdev: Fix dmabuf import with non-zero sgt offset
	s390/dasd: fix inability to use DASD with DIAG driver
	s390/gmap: improve THP splitting
	io_uring: Fix NULL pointer dereference in loop_rw_iter()
	Linux 5.4.59

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I4bc685ec9234d8f72a9c66ee2d509a2975f6d711
2020-08-19 08:40:57 +02:00
Romain Naour
e02c77edd9 include/asm-generic/vmlinux.lds.h: align ro_after_init
commit 7f897acbe5d57995438c831670b7c400e9c0dc00 upstream.

Since the patch [1], building the kernel using a toolchain built with
binutils 2.33.1 prevents booting a sh4 system under Qemu.  Apply the patch
provided by Alan Modra [2] that fix alignment of rodata.

[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e
[2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Modra <amodra@gmail.com>
Cc: Bin Meng <bin.meng@windriver.com>
Cc: Chen Zhou <chenzhou10@huawei.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: <stable@vger.kernel.org>
Link: https://marc.info/?l=linux-sh&m=158429470221261
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-19 08:16:25 +02:00
Greg Kroah-Hartman
261a54f37d This is the 5.4.54 stable release
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Merge 5.4.54 into android11-5.4

Changes in 5.4.54
	soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner
	gpio: arizona: handle pm_runtime_get_sync failure case
	gpio: arizona: put pm_runtime in case of failure
	pinctrl: amd: fix npins for uart0 in kerncz_groups
	mac80211: allow rx of mesh eapol frames with default rx key
	scsi: scsi_transport_spi: Fix function pointer check
	xtensa: fix __sync_fetch_and_{and,or}_4 declarations
	xtensa: update *pos in cpuinfo_op.next
	scsi: mpt3sas: Fix unlock imbalance
	drivers/net/wan/lapbether: Fixed the value of hard_header_len
	ALSA: hda/hdmi: fix failures at PCM open on Intel ICL and later
	net: sky2: initialize return of gm_phy_read
	drm/nouveau/i2c/g94-: increase NV_PMGR_DP_AUXCTL_TRANSACTREQ timeout
	scsi: mpt3sas: Fix error returns in BRM_status_show
	scsi: dh: Add Fujitsu device to devinfo and dh lists
	dm: use bio_uninit instead of bio_disassociate_blkg
	drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups()
	fuse: fix weird page warning
	irqdomain/treewide: Keep firmware node unconditionally allocated
	ARM: dts: imx6qdl-gw551x: Do not use 'simple-audio-card,dai-link'
	ARM: dts: imx6qdl-gw551x: fix audio SSI
	dmabuf: use spinlock to access dmabuf->name
	drm/amd/display: Check DMCU Exists Before Loading
	SUNRPC reverting d03727b248d0 ("NFSv4 fix CLOSE not waiting for direct IO compeletion")
	btrfs: reloc: fix reloc root leak and NULL pointer dereference
	btrfs: reloc: clear DEAD_RELOC_TREE bit for orphan roots to prevent runaway balance
	uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
	ALSA: hda/realtek: Fixed ALC298 sound bug by adding quirk for Samsung Notebook Pen S
	ALSA: info: Drop WARN_ON() from buffer NULL sanity check
	ASoC: rt5670: Correct RT5670_LDO_SEL_MASK
	btrfs: fix double free on ulist after backref resolution failure
	btrfs: fix mount failure caused by race with umount
	btrfs: fix page leaks after failure to lock page for delalloc
	bnxt_en: Fix race when modifying pause settings.
	bnxt_en: Fix completion ring sizing with TPA enabled.
	fpga: dfl: pci: reduce the scope of variable 'ret'
	fpga: dfl: fix bug in port reset handshake
	hippi: Fix a size used in a 'pci_free_consistent()' in an error handling path
	vsock/virtio: annotate 'the_virtio_vsock' RCU pointer
	ax88172a: fix ax88172a_unbind() failures
	RDMA/mlx5: Use xa_lock_irq when access to SRQ table
	ASoC: Intel: bytcht_es8316: Add missed put_device()
	net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual configuration
	ieee802154: fix one possible memleak in adf7242_probe
	drm: sun4i: hdmi: Fix inverted HPD result
	net: smc91x: Fix possible memory leak in smc_drv_probe()
	bonding: check error value of register_netdevice() immediately
	mlxsw: destroy workqueue when trap_register in mlxsw_emad_init
	ionic: use offset for ethtool regs data
	ionic: fix up filter locks and debug msgs
	net: ag71xx: add missed clk_disable_unprepare in error path of probe
	net: hns3: fix error handling for desc filling
	net: dsa: microchip: call phy_remove_link_mode during probe
	netdevsim: fix unbalaced locking in nsim_create()
	qed: suppress "don't support RoCE & iWARP" flooding on HW init
	qed: suppress false-positives interrupt error messages on HW init
	ipvs: fix the connection sync failed in some cases
	net: ethernet: ave: Fix error returns in ave_init
	Revert "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"
	nfsd4: fix NULL dereference in nfsd/clients display code
	enetc: Remove the mdio bus on PF probe bailout
	i2c: rcar: always clear ICSAR to avoid side effects
	i2c: i2c-qcom-geni: Fix DMA transfer race
	bonding: check return value of register_netdevice() in bond_newlink()
	geneve: fix an uninitialized value in geneve_changelink()
	serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X
	scripts/decode_stacktrace: strip basepath from all paths
	scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
	HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override
	HID: alps: support devices with report id 2
	HID: steam: fixes race in handling device list.
	HID: apple: Disable Fn-key key-re-mapping on clone keyboards
	dmaengine: tegra210-adma: Fix runtime PM imbalance on error
	Input: add `SW_MACHINE_COVER`
	ARM: dts: n900: remove mmc1 card detect gpio
	spi: mediatek: use correct SPI_CFG2_REG MACRO
	regmap: dev_get_regmap_match(): fix string comparison
	hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow
	dmaengine: fsl-edma: fix wrong tcd endianness for big-endian cpu
	dmaengine: ioat setting ioat timeout as module parameter
	Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen
	Input: elan_i2c - only increment wakeup count on touch
	usb: dwc3: pci: add support for the Intel Tiger Lake PCH -H variant
	usb: dwc3: pci: add support for the Intel Jasper Lake
	usb: gadget: udc: gr_udc: fix memleak on error handling path in gr_ep_init()
	usb: cdns3: ep0: fix some endian issues
	usb: cdns3: trace: fix some endian issues
	hwmon: (adm1275) Make sure we are reading enough data for different chips
	drm/amdgpu/gfx10: fix race condition for kiq
	drm/amdgpu: fix preemption unit test
	hwmon: (nct6775) Accept PECI Calibration as temperature source for NCT6798D
	platform/x86: ISST: Add new PCI device ids
	platform/x86: asus-wmi: allow BAT1 battery name
	hwmon: (scmi) Fix potential buffer overflow in scmi_hwmon_probe()
	ALSA: hda/realtek - fixup for yet another Intel reference board
	drivers/perf: Fix kernel panic when rmmod PMU modules during perf sampling
	arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP
	x86: math-emu: Fix up 'cmp' insn for clang ias
	asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
	drivers/perf: Prevent forced unbinding of PMU drivers
	RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw
	binder: Don't use mmput() from shrinker function.
	usb: xhci-mtk: fix the failure of bandwidth allocation
	usb: xhci: Fix ASM2142/ASM3142 DMA addressing
	Revert "cifs: Fix the target file was deleted when rename failed."
	iwlwifi: mvm: don't call iwl_mvm_free_inactive_queue() under RCU
	tty: xilinx_uartps: Really fix id assignment
	staging: wlan-ng: properly check endpoint types
	staging: comedi: addi_apci_1032: check INSN_CONFIG_DIGITAL_TRIG shift
	staging: comedi: ni_6527: fix INSN_CONFIG_DIGITAL_TRIG support
	staging: comedi: addi_apci_1500: check INSN_CONFIG_DIGITAL_TRIG shift
	staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift
	serial: tegra: fix CREAD handling for PIO
	serial: 8250: fix null-ptr-deref in serial8250_start_tx()
	serial: 8250_mtk: Fix high-speed baud rates clamping
	/dev/mem: Add missing memory barriers for devmem_inode
	fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
	vt: Reject zero-sized screen buffer size.
	Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation
	mm/mmap.c: close race between munmap() and expand_upwards()/downwards()
	mm/memcg: fix refcount error while moving and swapping
	mm: memcg/slab: fix memory leak at non-root kmem_cache destroy
	khugepaged: fix null-pointer dereference due to race
	io-mapping: indicate mapping failure
	mmc: sdhci-of-aspeed: Fix clock divider calculation
	drm/amdgpu: Fix NULL dereference in dpm sysfs handlers
	drm/amd/powerplay: fix a crash when overclocking Vega M
	parisc: Add atomic64_set_release() define to avoid CPU soft lockups
	x86, vmlinux.lds: Page-align end of ..page_aligned sections
	ASoC: rt5670: Add new gpio1_is_ext_spk_en quirk and enable it on the Lenovo Miix 2 10
	ASoC: qcom: Drop HAS_DMA dependency to fix link failure
	ASoC: topology: fix kernel oops on route addition error
	ASoC: topology: fix tlvs in error handling for widget_dmixer
	dm integrity: fix integrity recalculation that is improperly skipped
	ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
	ath9k: Fix regression with Atheros 9271
	Linux 5.4.54

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic2a25ecd02cfc4a44ec53c73e200b72cd7d930ba
2020-07-29 13:27:01 +02:00
Joerg Roedel
697bd3e4aa x86, vmlinux.lds: Page-align end of ..page_aligned sections
commit de2b41be8fcccb2f5b6c480d35df590476344201 upstream.

On x86-32 the idt_table with 256 entries needs only 2048 bytes. It is
page-aligned, but the end of the .bss..page_aligned section is not
guaranteed to be page-aligned.

As a result, objects from other .bss sections may end up on the same 4k
page as the idt_table, and will accidentially get mapped read-only during
boot, causing unexpected page-faults when the kernel writes to them.

This could be worked around by making the objects in the page aligned
sections page sized, but that's wrong.

Explicit sections which store only page aligned objects have an implicit
guarantee that the object is alone in the page in which it is placed. That
works for all objects except the last one. That's inconsistent.

Enforcing page sized objects for these sections would wreckage memory
sanitizers, because the object becomes artificially larger than it should
be and out of bound access becomes legit.

Align the end of the .bss..page_aligned and .data..page_aligned section on
page-size so all objects places in these sections are guaranteed to have
their own page.

[ tglx: Amended changelog ]

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200721093448.10417-1-joro@8bytes.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-29 10:18:45 +02:00
Will Deacon
0821295b23 asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
[ Upstream commit bd024e82e4cd95c7f1a475a55f99871936c2b2db ]

Although mmiowb() is concerned only with serialising MMIO writes occuring
in contexts where a spinlock is held, the call to mmiowb_set_pending()
from the MMIO write accessors can occur in preemptible contexts, such
as during driver probe() functions where ordering between CPUs is not
usually a concern, assuming that the task migration path provides the
necessary ordering guarantees.

Unfortunately, the default implementation of mmiowb_set_pending() is not
preempt-safe, as it makes use of a a per-cpu variable to track its
internal state. This has been reported to generate the following splat
on riscv:

 | BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
 | caller is regmap_mmio_write32le+0x1c/0x46
 | CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc3-hfu+ #1
 | Call Trace:
 |  walk_stackframe+0x0/0x7a
 |  dump_stack+0x6e/0x88
 |  regmap_mmio_write32le+0x18/0x46
 |  check_preemption_disabled+0xa4/0xaa
 |  regmap_mmio_write32le+0x18/0x46
 |  regmap_mmio_write+0x26/0x44
 |  regmap_write+0x28/0x48
 |  sifive_gpio_probe+0xc0/0x1da

Although it's possible to fix the driver in this case, other splats have
been seen from other drivers, including the infamous 8250 UART, and so
it's better to address this problem in the mmiowb core itself.

Fix mmiowb_set_pending() by using the raw_cpu_ptr() to get at the mmiowb
state and then only updating the 'mmiowb_pending' field if we are not
preemptible (i.e. we have a non-zero nesting count).

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Reported-by: Palmer Dabbelt <palmer@dabbelt.com>
Reported-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Emil Renner Berthing <kernel@esmil.dk>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Link: https://lore.kernel.org/r/20200716112816.7356-1-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-29 10:18:40 +02:00
Greg Kroah-Hartman
eaaa29ec5a This is the 5.4.47 stable release
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Merge 5.4.47 into android-5.4-stable

Changes in 5.4.47
	ipv6: fix IPV6_ADDRFORM operation logic
	mlxsw: core: Use different get_trend() callbacks for different thermal zones
	net_failover: fixed rollback in net_failover_open()
	tun: correct header offsets in napi frags mode
	bridge: Avoid infinite loop when suppressing NS messages with invalid options
	vxlan: Avoid infinite loop when suppressing NS messages with invalid options
	bpf: Support llvm-objcopy for vmlinux BTF
	elfnote: mark all .note sections SHF_ALLOC
	Input: mms114 - fix handling of mms345l
	ARM: 8977/1: ptrace: Fix mask for thumb breakpoint hook
	sched/fair: Don't NUMA balance for kthreads
	Input: synaptics - add a second working PNP_ID for Lenovo T470s
	csky: Fixup abiv2 syscall_trace break a4 & a5
	gfs2: Even more gfs2_find_jhead fixes
	drivers/net/ibmvnic: Update VNIC protocol version reporting
	powerpc/xive: Clear the page tables for the ESB IO mapping
	spi: dw: Fix native CS being unset
	ath9k_htc: Silence undersized packet warnings
	smack: avoid unused 'sip' variable warning
	RDMA/uverbs: Make the event_queue fds return POLLERR when disassociated
	padata: add separate cpuhp node for CPUHP_PADATA_DEAD
	s390/pci: Log new handle in clp_disable_fh()
	x86/cpu/amd: Make erratum #1054 a legacy erratum
	KVM: x86: only do L1TF workaround on affected processors
	PCI/PM: Adjust pcie_wait_for_link_delay() for caller delay
	perf probe: Accept the instance number of kretprobe event
	mm: add kvfree_sensitive() for freeing sensitive data objects
	selftests: fix flower parent qdisc
	fanotify: fix ignore mask logic for events on child and on dir
	aio: fix async fsync creds
	ipv4: fix a RCU-list lock in fib_triestat_seq_show
	iwlwifi: mvm: fix NVM check for 3168 devices
	sctp: fix possibly using a bad saddr with a given dst
	sctp: fix refcount bug in sctp_wfree
	x86_64: Fix jiffies ODR violation
	x86/PCI: Mark Intel C620 MROMs as having non-compliant BARs
	x86/speculation: Prevent rogue cross-process SSBD shutdown
	x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS.
	x86/speculation: PR_SPEC_FORCE_DISABLE enforcement for indirect branches.
	x86/reboot/quirks: Add MacBook6,1 reboot quirk
	perf/x86/intel: Add more available bits for OFFCORE_RESPONSE of Intel Tremont
	KVM: x86/mmu: Set mmio_value to '0' if reserved #PF can't be generated
	KVM: x86: respect singlestep when emulating instruction
	KVM: x86: Fix APIC page invalidation race
	powerpc/ptdump: Properly handle non standard page size
	ASoC: max9867: fix volume controls
	io_uring: use kvfree() in io_sqe_buffer_register()
	efi/efivars: Add missing kobject_put() in sysfs entry creation error path
	smb3: fix incorrect number of credits when ioctl MaxOutputResponse > 64K
	smb3: add indatalen that can be a non-zero value to calculation of credit charge in smb2 ioctl
	watchdog: imx_sc_wdt: Fix reboot on crash
	ALSA: es1688: Add the missed snd_card_free()
	ALSA: fireface: fix configuration error for nominal sampling transfer frequency
	ALSA: hda/realtek - add a pintbl quirk for several Lenovo machines
	ALSA: pcm: disallow linking stream to itself
	ALSA: pcm: fix snd_pcm_link() lockdep splat
	ALSA: usb-audio: Fix inconsistent card PM state after resume
	ALSA: usb-audio: Add vendor, product and profile name for HP Thunderbolt Dock
	ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
	ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
	ACPI: GED: add support for _Exx / _Lxx handler methods
	ACPI: PM: Avoid using power resources if there are none for D0
	arm64: acpi: fix UBSAN warning
	lib/lzo: fix ambiguous encoding bug in lzo-rle
	nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
	spi: dw: Fix controller unregister order
	spi: Fix controller unregister order
	spi: pxa2xx: Fix controller unregister order
	spi: pxa2xx: Fix runtime PM ref imbalance on probe error
	spi: bcm2835: Fix controller unregister order
	spi: bcm2835aux: Fix controller unregister order
	spi: bcm-qspi: Handle clock probe deferral
	spi: bcm-qspi: when tx/rx buffer is NULL set to 0
	PM: runtime: clk: Fix clk_pm_runtime_get() error path
	gup: document and work around "COW can break either way" issue
	crypto: cavium/nitrox - Fix 'nitrox_get_first_device()' when ndevlist is fully iterated
	crypto: algapi - Avoid spurious modprobe on LOADED
	crypto: drbg - fix error return code in drbg_alloc_state()
	x86/{mce,mm}: Unmap the entire page if the whole page is affected and poisoned
	firmware: imx: warn on unexpected RX
	firmware: imx-scu: Support one TX and one RX
	firmware: imx: scu: Fix corruption of header
	crypto: virtio: Fix use-after-free in virtio_crypto_skcipher_finalize_req()
	crypto: virtio: Fix src/dst scatterlist calculation in __virtio_crypto_skcipher_do_req()
	crypto: virtio: Fix dest length calculation in __virtio_crypto_skcipher_do_req()
	dccp: Fix possible memleak in dccp_init and dccp_fini
	selftests/net: in rxtimestamp getopt_long needs terminating null entry
	net/mlx5: drain health workqueue in case of driver load error
	net/mlx5: Fix fatal error handling during device load
	net/mlx5e: Fix repeated XSK usage on one channel
	ovl: initialize error in ovl_copy_xattr
	proc: Use new_inode not new_inode_pseudo
	remoteproc: Fall back to using parent memory pool if no dedicated available
	remoteproc: Fix and restore the parenting hierarchy for vdev
	cpufreq: Fix up cpufreq_boost_set_sw()
	EDAC/skx: Use the mcmtr register to retrieve close_pg/bank_xor_enable
	video: vt8500lcdfb: fix fallthrough warning
	video: fbdev: w100fb: Fix a potential double free.
	KVM: nVMX: Skip IBPB when switching between vmcs01 and vmcs02
	KVM: nSVM: fix condition for filtering async PF
	KVM: nSVM: leave ASID aside in copy_vmcb_control_area
	KVM: nVMX: Consult only the "basic" exit reason when routing nested exit
	KVM: MIPS: Define KVM_ENTRYHI_ASID to cpu_asid_mask(&boot_cpu_data)
	KVM: MIPS: Fix VPN2_MASK definition for variable cpu_vmbits
	KVM: arm64: Stop writing aarch32's CSSELR into ACTLR
	KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts
	scsi: megaraid_sas: TM command refire leads to controller firmware crash
	scsi: lpfc: Fix negation of else clause in lpfc_prep_node_fc4type
	selftests/ftrace: Return unsupported if no error_log file
	ath9k: Fix use-after-free Read in htc_connect_service
	ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx
	ath9k: Fix use-after-free Write in ath9k_htc_rx_msg
	ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb
	ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
	Smack: slab-out-of-bounds in vsscanf
	drm/vkms: Hold gem object while still in-use
	mm/slub: fix a memory leak in sysfs_slab_add()
	fat: don't allow to mount if the FAT length == 0
	perf: Add cond_resched() to task_function_call()
	agp/intel: Reinforce the barrier after GTT updates
	mmc: sdhci-msm: Clear tuning done flag while hs400 tuning
	mmc: mmci_sdmmc: fix DMA API warning overlapping mappings
	mmc: tmio: Further fixup runtime PM management at remove
	mmc: uniphier-sd: call devm_request_irq() after tmio_mmc_host_probe()
	ARM: dts: at91: sama5d2_ptc_ek: fix sdmmc0 node description
	mmc: sdio: Fix potential NULL pointer error in mmc_sdio_init_card()
	mmc: sdio: Fix several potential memory leaks in mmc_sdio_init_card()
	block/floppy: fix contended case in floppy_queue_rq()
	xen/pvcalls-back: test for errors when calling backend_connect()
	KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception
	KVM: arm64: Save the host's PtrAuth keys in non-preemptible context
	Linux 5.4.47

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3fb3216abdbc080b4ac7b827b35ff6a813e28eb8
2020-06-18 10:05:17 +02:00
Fangrui Song
f04d1e880f bpf: Support llvm-objcopy for vmlinux BTF
commit 90ceddcb495008ac8ba7a3dce297841efcd7d584 upstream.

Simplify gen_btf logic to make it work with llvm-objcopy. The existing
'file format' and 'architecture' parsing logic is brittle and does not
work with llvm-objcopy/llvm-objdump.

'file format' output of llvm-objdump>=11 will match GNU objdump, but
'architecture' (bfdarch) may not.

.BTF in .tmp_vmlinux.btf is non-SHF_ALLOC. Add the SHF_ALLOC flag
because it is part of vmlinux image used for introspection. C code
can reference the section via linker script defined __start_BTF and
__stop_BTF. This fixes a small problem that previous .BTF had the
SHF_WRITE flag (objcopy -I binary -O elf* synthesized .data).

Additionally, `objcopy -I binary` synthesized symbols
_binary__btf_vmlinux_bin_start and _binary__btf_vmlinux_bin_stop (not
used elsewhere) are replaced with more commonplace __start_BTF and
__stop_BTF.

Add 2>/dev/null because GNU objcopy (but not llvm-objcopy) warns
"empty loadable segment detected at vaddr=0xffffffff81000000, is this intentional?"

We use a dd command to change the e_type field in the ELF header from
ET_EXEC to ET_REL so that lld will accept .btf.vmlinux.bin.o.  Accepting
ET_EXEC as an input file is an extremely rare GNU ld feature that lld
does not intend to support, because this is error-prone.

The output section description .BTF in include/asm-generic/vmlinux.lds.h
avoids potential subtle orphan section placement issues and suppresses
--orphan-handling=warn warnings.

Fixes: df786c9b9476 ("bpf: Force .BTF section start to zero when dumping from vmlinux")
Fixes: cb0cc635c7a9 ("powerpc: Include .BTF section")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Fangrui Song <maskray@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Stanislav Fomichev <sdf@google.com>
Tested-by: Andrii Nakryiko <andriin@fb.com>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Link: https://github.com/ClangBuiltLinux/linux/issues/871
Link: https://lore.kernel.org/bpf/20200318222746.173648-1-maskray@google.com
Signed-off-by: Maria Teguiani <teguiani@google.com>
Tested-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-17 16:40:20 +02:00
Greg Kroah-Hartman
f520ca124c This is the 5.4.44 stable release
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Merge 5.4.44 into android-5.4-stable

Changes in 5.4.44
	ax25: fix setsockopt(SO_BINDTODEVICE)
	dpaa_eth: fix usage as DSA master, try 3
	net: don't return invalid table id error when we fall back to PF_UNSPEC
	net: dsa: mt7530: fix roaming from DSA user ports
	net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during suspend
	__netif_receive_skb_core: pass skb by reference
	net: inet_csk: Fix so_reuseport bind-address cache in tb->fast*
	net: ipip: fix wrong address family in init error path
	net/mlx5: Add command entry handling completion
	net: mvpp2: fix RX hashing for non-10G ports
	net: nlmsg_cancel() if put fails for nhmsg
	net: qrtr: Fix passing invalid reference to qrtr_local_enqueue()
	net: revert "net: get rid of an signed integer overflow in ip_idents_reserve()"
	net sched: fix reporting the first-time use timestamp
	net/tls: fix race condition causing kernel panic
	nexthop: Fix attribute checking for groups
	r8152: support additional Microsoft Surface Ethernet Adapter variant
	sctp: Don't add the shutdown timer if its already been added
	sctp: Start shutdown on association restart if in SHUTDOWN-SENT state and socket is closed
	tipc: block BH before using dst_cache
	net/mlx5e: kTLS, Destroy key object after destroying the TIS
	net/mlx5e: Fix inner tirs handling
	net/mlx5: Fix memory leak in mlx5_events_init
	net/mlx5e: Update netdev txq on completions during closure
	net/mlx5: Fix error flow in case of function_setup failure
	net/mlx5: Annotate mutex destroy for root ns
	net/tls: fix encryption error checking
	net/tls: free record only on encryption error
	net: sun: fix missing release regions in cas_init_one().
	net/mlx4_core: fix a memory leak bug.
	mlxsw: spectrum: Fix use-after-free of split/unsplit/type_set in case reload fails
	ARM: dts: rockchip: fix phy nodename for rk3228-evb
	ARM: dts: rockchip: fix phy nodename for rk3229-xms6
	arm64: dts: rockchip: fix status for &gmac2phy in rk3328-evb.dts
	arm64: dts: rockchip: swap interrupts interrupt-names rk3399 gpu node
	ARM: dts: rockchip: swap clock-names of gpu nodes
	ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
	gpio: tegra: mask GPIO IRQs during IRQ shutdown
	ALSA: usb-audio: add mapping for ASRock TRX40 Creator
	net: microchip: encx24j600: add missed kthread_stop
	gfs2: move privileged user check to gfs2_quota_lock_check
	gfs2: Grab glock reference sooner in gfs2_add_revoke
	drm/amdgpu: drop unnecessary cancel_delayed_work_sync on PG ungate
	drm/amd/powerplay: perform PG ungate prior to CG ungate
	drm/amdgpu: Use GEM obj reference for KFD BOs
	cachefiles: Fix race between read_waiter and read_copier involving op->to_do
	usb: dwc3: pci: Enable extcon driver for Intel Merrifield
	usb: phy: twl6030-usb: Fix a resource leak in an error handling path in 'twl6030_usb_probe()'
	usb: gadget: legacy: fix redundant initialization warnings
	net: freescale: select CONFIG_FIXED_PHY where needed
	IB/i40iw: Remove bogus call to netdev_master_upper_dev_get()
	riscv: stacktrace: Fix undefined reference to `walk_stackframe'
	clk: ti: am33xx: fix RTC clock parent
	csky: Fixup msa highest 3 bits mask
	csky: Fixup perf callchain unwind
	csky: Fixup remove duplicate irq_disable
	hwmon: (nct7904) Fix incorrect range of temperature limit registers
	cifs: Fix null pointer check in cifs_read
	csky: Fixup raw_copy_from_user()
	samples: bpf: Fix build error
	drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
	Input: usbtouchscreen - add support for BonXeon TP
	Input: evdev - call input_flush_device() on release(), not flush()
	Input: xpad - add custom init packet for Xbox One S controllers
	Input: dlink-dir685-touchkeys - fix a typo in driver name
	Input: i8042 - add ThinkPad S230u to i8042 reset list
	Input: synaptics-rmi4 - really fix attn_data use-after-free
	Input: synaptics-rmi4 - fix error return code in rmi_driver_probe()
	ARM: 8970/1: decompressor: increase tag size
	ARM: uaccess: consolidate uaccess asm to asm/uaccess-asm.h
	ARM: uaccess: integrate uaccess_save and uaccess_restore
	ARM: uaccess: fix DACR mismatch with nested exceptions
	gpio: exar: Fix bad handling for ida_simple_get error path
	arm64: dts: mt8173: fix vcodec-enc clock
	soc: mediatek: cmdq: return send msg error code
	gpu/drm: Ingenic: Fix opaque pointer casted to wrong type
	IB/qib: Call kobject_put() when kobject_init_and_add() fails
	ARM: dts/imx6q-bx50v3: Set display interface clock parents
	ARM: dts: bcm2835-rpi-zero-w: Fix led polarity
	ARM: dts: bcm: HR2: Fix PPI interrupt types
	mmc: block: Fix use-after-free issue for rpmb
	gpio: pxa: Fix return value of pxa_gpio_probe()
	gpio: bcm-kona: Fix return value of bcm_kona_gpio_probe()
	RDMA/pvrdma: Fix missing pci disable in pvrdma_pci_probe()
	ALSA: hwdep: fix a left shifting 1 by 31 UB bug
	ALSA: hda/realtek - Add a model for Thinkpad T570 without DAC workaround
	ALSA: usb-audio: mixer: volume quirk for ESS Technology Asus USB DAC
	exec: Always set cap_ambient in cap_bprm_set_creds
	clk: qcom: gcc: Fix parent for gpll0_out_even
	ALSA: usb-audio: Quirks for Gigabyte TRX40 Aorus Master onboard audio
	ALSA: hda/realtek - Add new codec supported for ALC287
	libceph: ignore pool overlay and cache logic on redirects
	ceph: flush release queue when handling caps for unknown inode
	RDMA/core: Fix double destruction of uobject
	drm/amd/display: drop cursor position check in atomic test
	IB/ipoib: Fix double free of skb in case of multicast traffic in CM mode
	mm,thp: stop leaking unreleased file pages
	mm: remove VM_BUG_ON(PageSlab()) from page_mapcount()
	fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
	include/asm-generic/topology.h: guard cpumask_of_node() macro argument
	Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT"
	gpio: fix locking open drain IRQ lines
	iommu: Fix reference count leak in iommu_group_alloc.
	parisc: Fix kernel panic in mem_init()
	cfg80211: fix debugfs rename crash
	x86/syscalls: Revert "x86/syscalls: Make __X32_SYSCALL_BIT be unsigned long"
	mac80211: mesh: fix discovery timer re-arming issue / crash
	x86/dma: Fix max PFN arithmetic overflow on 32 bit systems
	copy_xstate_to_kernel(): don't leave parts of destination uninitialized
	xfrm: allow to accept packets with ipv6 NEXTHDR_HOP in xfrm_input
	xfrm: do pskb_pull properly in __xfrm_transport_prep
	xfrm: remove the xfrm_state_put call becofe going to out_reset
	xfrm: call xfrm_output_gso when inner_protocol is set in xfrm_output
	xfrm interface: fix oops when deleting a x-netns interface
	xfrm: fix a warning in xfrm_policy_insert_list
	xfrm: fix a NULL-ptr deref in xfrm_local_error
	xfrm: fix error in comment
	ip_vti: receive ipip packet by calling ip_tunnel_rcv
	netfilter: nft_reject_bridge: enable reject with bridge vlan
	netfilter: ipset: Fix subcounter update skip
	netfilter: conntrack: make conntrack userspace helpers work again
	netfilter: nfnetlink_cthelper: unbreak userspace helper support
	netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code
	esp6: get the right proto for transport mode in esp6_gso_encap
	bnxt_en: Fix accumulation of bp->net_stats_prev.
	ieee80211: Fix incorrect mask for default PE duration
	xsk: Add overflow check for u64 division, stored into u32
	qlcnic: fix missing release in qlcnic_83xx_interrupt_test.
	crypto: chelsio/chtls: properly set tp->lsndtime
	nexthops: Move code from remove_nexthop_from_groups to remove_nh_grp_entry
	nexthops: don't modify published nexthop groups
	nexthop: Expand nexthop_is_multipath in a few places
	ipv4: nexthop version of fib_info_nh_uses_dev
	net: dsa: declare lockless TX feature for slave ports
	bonding: Fix reference count leak in bond_sysfs_slave_add.
	netfilter: conntrack: comparison of unsigned in cthelper confirmation
	netfilter: conntrack: Pass value of ctinfo to __nf_conntrack_update
	netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
	perf: Make perf able to build with latest libbfd
	Linux 5.4.44

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idd547df1abb0bea116f30e3224a80387529adb0b
2020-06-04 08:23:35 +02:00
Arnd Bergmann
31f0b78bb4 include/asm-generic/topology.h: guard cpumask_of_node() macro argument
[ Upstream commit 4377748c7b5187c3342a60fa2ceb60c8a57a8488 ]

drivers/hwmon/amd_energy.c:195:15: error: invalid operands to binary expression ('void' and 'int')
                                        (channel - data->nr_cpus));
                                        ~~~~~~~~~^~~~~~~~~~~~~~~~~
include/asm-generic/topology.h:51:42: note: expanded from macro 'cpumask_of_node'
    #define cpumask_of_node(node)       ((void)node, cpu_online_mask)
                                               ^~~~
include/linux/cpumask.h:618:72: note: expanded from macro 'cpumask_first_and'
 #define cpumask_first_and(src1p, src2p) cpumask_next_and(-1, (src1p), (src2p))
                                                                       ^~~~~

Fixes: f0b848ce6f ("cpumask: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask")
Fixes: 8abee9566b7e ("hwmon: Add amd_energy driver to report energy counters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: http://lkml.kernel.org/r/20200527134623.930247-1-arnd@arndb.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-03 08:21:27 +02:00
Greg Kroah-Hartman
5e713c48ff This is the 5.4.35 stable release
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Merge 5.4.35 into android-5.4-stable

Changes in 5.4.35
	ext4: use non-movable memory for superblock readahead
	watchdog: sp805: fix restart handler
	xsk: Fix out of boundary write in __xsk_rcv_memcpy
	arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0
	arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
	objtool: Fix switch table detection in .text.unlikely
	scsi: sg: add sg_remove_request in sg_common_write
	ALSA: hda: Honor PM disablement in PM freeze and thaw_noirq ops
	ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
	kbuild, btf: Fix dependencies for DEBUG_INFO_BTF
	netfilter: nf_tables: report EOPNOTSUPP on unsupported flags/object type
	irqchip/mbigen: Free msi_desc on device teardown
	ALSA: hda: Don't release card at firmware loading error
	xsk: Add missing check on user supplied headroom size
	of: unittest: kmemleak on changeset destroy
	of: unittest: kmemleak in of_unittest_platform_populate()
	of: unittest: kmemleak in of_unittest_overlay_high_level()
	of: overlay: kmemleak in dup_and_fixup_symbol_prop()
	x86/Hyper-V: Unload vmbus channel in hv panic callback
	x86/Hyper-V: Trigger crash enlightenment only once during system crash.
	x86/Hyper-V: Report crash register data or kmsg before running crash kernel
	x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set
	x86/Hyper-V: Report crash data in die() when panic_on_oops is set
	afs: Fix missing XDR advance in xdr_decode_{AFS,YFS}FSFetchStatus()
	afs: Fix decoding of inline abort codes from version 1 status records
	afs: Fix rename operation status delivery
	afs: Fix afs_d_validate() to set the right directory version
	afs: Fix race between post-modification dir edit and readdir/d_revalidate
	block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
	block, bfq: make reparent_leaf_entity actually work only on leaf entities
	block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline
	rbd: avoid a deadlock on header_rwsem when flushing notifies
	rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
	x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
	drm/ttm: flush the fence on the bo after we individualize the reservation object
	clk: Don't cache errors from clk_ops::get_phase()
	clk: at91: usb: continue if clk_hw_round_rate() return zero
	net/mlx5e: Enforce setting of a single FEC mode
	f2fs: fix the panic in do_checkpoint()
	ARM: dts: rockchip: fix vqmmc-supply property name for rk3188-bqedison2qc
	arm64: dts: allwinner: a64: Fix display clock register range
	power: supply: bq27xxx_battery: Silence deferred-probe error
	clk: tegra: Fix Tegra PMC clock out parents
	arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
	arm64: tegra: Fix Tegra194 PCIe compatible string
	arm64: dts: clearfog-gt-8k: set gigabit PHY reset deassert delay
	soc: imx: gpc: fix power up sequencing
	dma-coherent: fix integer overflow in the reserved-memory dma allocation
	rtc: 88pm860x: fix possible race condition
	NFS: alloc_nfs_open_context() must use the file cred when available
	NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid()
	NFSv4.2: error out when relink swapfile
	ARM: dts: rockchip: fix lvds-encoder ports subnode for rk3188-bqedison2qc
	KVM: PPC: Book3S HV: Fix H_CEDE return code for nested guests
	f2fs: fix to show norecovery mount option
	phy: uniphier-usb3ss: Add Pro5 support
	NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
	f2fs: Fix mount failure due to SPO after a successful online resize FS
	f2fs: Add a new CP flag to help fsck fix resize SPO issues
	s390/cpuinfo: fix wrong output when CPU0 is offline
	hibernate: Allow uswsusp to write to swap
	btrfs: add RCU locks around block group initialization
	powerpc/prom_init: Pass the "os-term" message to hypervisor
	powerpc/maple: Fix declaration made after definition
	s390/cpum_sf: Fix wrong page count in error message
	ext4: do not commit super on read-only bdev
	um: ubd: Prevent buffer overrun on command completion
	cifs: Allocate encryption header through kmalloc
	mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
	drm/nouveau/svm: check for SVM initialized before migrating
	drm/nouveau/svm: fix vma range check for migration
	include/linux/swapops.h: correct guards for non_swap_entry()
	percpu_counter: fix a data race at vm_committed_as
	compiler.h: fix error in BUILD_BUG_ON() reporting
	KVM: s390: vsie: Fix possible race when shadowing region 3 tables
	drm/nouveau: workaround runpm fail by disabling PCI power management on certain intel bridges
	leds: core: Fix warning message when init_data
	x86: ACPI: fix CPU hotplug deadlock
	csky: Fixup cpu speculative execution to IO area
	drm/amdkfd: kfree the wrong pointer
	NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
	csky: Fixup get wrong psr value from phyical reg
	f2fs: fix NULL pointer dereference in f2fs_write_begin()
	ACPICA: Fixes for acpiExec namespace init file
	um: falloc.h needs to be directly included for older libc
	drm/vc4: Fix HDMI mode validation
	iommu/virtio: Fix freeing of incomplete domains
	iommu/vt-d: Fix mm reference leak
	SUNRPC: fix krb5p mount to provide large enough buffer in rq_rcvsize
	ext2: fix empty body warnings when -Wextra is used
	iommu/vt-d: Silence RCU-list debugging warning in dmar_find_atsr()
	iommu/vt-d: Fix page request descriptor size
	ext2: fix debug reference to ext2_xattr_cache
	sunrpc: Fix gss_unwrap_resp_integ() again
	csky: Fixup init_fpu compile warning with __init
	power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute Sticks.
	libnvdimm: Out of bounds read in __nd_ioctl()
	iommu/amd: Fix the configuration of GCR3 table root pointer
	f2fs: fix to wait all node page writeback
	drm/nouveau/gr/gp107,gp108: implement workaround for HW hanging during init
	net: dsa: bcm_sf2: Fix overflow checks
	dma-debug: fix displaying of dma allocation type
	fbdev: potential information leak in do_fb_ioctl()
	ARM: dts: sunxi: Fix DE2 clocks register range
	iio: si1133: read 24-bit signed integer for measurement
	fbmem: Adjust indentation in fb_prepare_logo and fb_blank
	tty: evh_bytechan: Fix out of bounds accesses
	locktorture: Print ratio of acquisitions, not failures
	mtd: rawnand: free the nand_device object
	mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
	docs: Fix path to MTD command line partition parser
	mtd: lpddr: Fix a double free in probe()
	mtd: phram: fix a double free issue in error path
	KEYS: Don't write out to userspace while holding key semaphore
	bpf: fix buggy r0 retval refinement for tracing helpers
	bpf: Test_verifier, bpf_get_stack return value add <0
	bpf: Test_progs, add test to catch retval refine error handling
	bpf, test_verifier: switch bpf_get_stack's 0 s> r8 test
	Linux 5.4.35

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I702aba533097c8533c12561c7f1a51f3a96f6f09
2020-04-23 11:15:10 +02:00
Tianyu Lan
4f7b1e892e x86/Hyper-V: Report crash data in die() when panic_on_oops is set
commit f3a99e761efa616028b255b4de58e9b5b87c5545 upstream.

When oops happens with panic_on_oops unset, the oops
thread is killed by die() and system continues to run.
In such case, guest should not report crash register
data to host since system still runs. Check panic_on_oops
and return directly in hyperv_report_panic() when the function
is called in the die() and panic_on_oops is unset. Fix it.

Fixes: 7ed4325a44 ("Drivers: hv: vmbus: Make panic reporting to be more useful")
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200406155331.2105-7-Tianyu.Lan@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 10:36:24 +02:00
Greg Kroah-Hartman
ce5de62e20 This is the 5.4.24 stable release
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Merge 5.4.24 into android-5.4

Changes in 5.4.24
	io_uring: grab ->fs as part of async offload
	EDAC: skx_common: downgrade message importance on missing PCI device
	net: dsa: b53: Ensure the default VID is untagged
	net: fib_rules: Correctly set table field when table number exceeds 8 bits
	net: macb: ensure interface is not suspended on at91rm9200
	net: mscc: fix in frame extraction
	net: phy: restore mdio regs in the iproc mdio driver
	net: sched: correct flower port blocking
	net/tls: Fix to avoid gettig invalid tls record
	nfc: pn544: Fix occasional HW initialization failure
	qede: Fix race between rdma destroy workqueue and link change event
	Revert "net: dev: introduce support for sch BYPASS for lockless qdisc"
	udp: rehash on disconnect
	sctp: move the format error check out of __sctp_sf_do_9_1_abort
	bnxt_en: Improve device shutdown method.
	bnxt_en: Issue PCIe FLR in kdump kernel to cleanup pending DMAs.
	bonding: add missing netdev_update_lockdep_key()
	net: export netdev_next_lower_dev_rcu()
	bonding: fix lockdep warning in bond_get_stats()
	ipv6: Fix route replacement with dev-only route
	ipv6: Fix nlmsg_flags when splitting a multipath route
	ipmi:ssif: Handle a possible NULL pointer reference
	drm/msm: Set dma maximum segment size for mdss
	sched/core: Don't skip remote tick for idle CPUs
	timers/nohz: Update NOHZ load in remote tick
	sched/fair: Prevent unlimited runtime on throttled group
	dax: pass NOWAIT flag to iomap_apply
	mac80211: consider more elements in parsing CRC
	cfg80211: check wiphy driver existence for drvinfo report
	s390/zcrypt: fix card and queue total counter wrap
	qmi_wwan: re-add DW5821e pre-production variant
	qmi_wwan: unconditionally reject 2 ep interfaces
	NFSv4: Fix races between open and dentry revalidation
	perf/smmuv3: Use platform_get_irq_optional() for wired interrupt
	perf/x86/intel: Add Elkhart Lake support
	perf/x86/cstate: Add Tremont support
	perf/x86/msr: Add Tremont support
	ceph: do not execute direct write in parallel if O_APPEND is specified
	ARM: dts: sti: fixup sound frame-inversion for stihxxx-b2120.dtsi
	drm/amd/display: Do not set optimized_require to false after plane disable
	RDMA/siw: Remove unwanted WARN_ON in siw_cm_llp_data_ready()
	drm/amd/display: Check engine is not NULL before acquiring
	drm/amd/display: Limit minimum DPPCLK to 100MHz.
	drm/amd/display: Add initialitions for PLL2 clock source
	amdgpu: Prevent build errors regarding soft/hard-float FP ABI tags
	soc/tegra: fuse: Fix build with Tegra194 configuration
	i40e: Fix the conditional for i40e_vc_validate_vqs_bitmaps
	net: ena: fix potential crash when rxfh key is NULL
	net: ena: fix uses of round_jiffies()
	net: ena: add missing ethtool TX timestamping indication
	net: ena: fix incorrect default RSS key
	net: ena: rss: do not allocate key when not supported
	net: ena: rss: fix failure to get indirection table
	net: ena: rss: store hash function as values and not bits
	net: ena: fix incorrectly saving queue numbers when setting RSS indirection table
	net: ena: fix corruption of dev_idx_to_host_tbl
	net: ena: ethtool: use correct value for crc32 hash
	net: ena: ena-com.c: prevent NULL pointer dereference
	ice: update Unit Load Status bitmask to check after reset
	cifs: Fix mode output in debugging statements
	cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE
	mac80211: fix wrong 160/80+80 MHz setting
	net: hns3: add management table after IMP reset
	net: hns3: fix a copying IPv6 address error in hclge_fd_get_flow_tuples()
	nvme/tcp: fix bug on double requeue when send fails
	nvme: prevent warning triggered by nvme_stop_keep_alive
	nvme/pci: move cqe check after device shutdown
	ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
	audit: fix error handling in audit_data_to_entry()
	audit: always check the netlink payload length in audit_receive_msg()
	ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro
	ACPI: watchdog: Fix gas->access_width usage
	KVM: VMX: check descriptor table exits on instruction emulation
	HID: ite: Only bind to keyboard USB interface on Acer SW5-012 keyboard dock
	HID: core: fix off-by-one memset in hid_report_raw_event()
	HID: core: increase HID report buffer size to 8KiB
	drm/amdgpu: Drop DRIVER_USE_AGP
	drm/radeon: Inline drm_get_pci_dev
	macintosh: therm_windtunnel: fix regression when instantiating devices
	tracing: Disable trace_printk() on post poned tests
	Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
	amdgpu/gmc_v9: save/restore sdpif regs during S3
	cpufreq: Fix policy initialization for internal governor drivers
	io_uring: fix 32-bit compatability with sendmsg/recvmsg
	netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports
	net/smc: transfer fasync_list in case of fallback
	vhost: Check docket sk_family instead of call getname
	netfilter: ipset: Fix forceadd evaluation path
	netfilter: xt_hashlimit: reduce hashlimit_mutex scope for htable_put()
	HID: alps: Fix an error handling path in 'alps_input_configured()'
	HID: hiddev: Fix race in in hiddev_disconnect()
	MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()'
	i2c: altera: Fix potential integer overflow
	i2c: jz4780: silence log flood on txabrt
	drm/i915/gvt: Fix orphan vgpu dmabuf_objs' lifetime
	drm/i915/gvt: Separate display reset from ALL_ENGINES reset
	nl80211: fix potential leak in AP start
	mac80211: Remove a redundant mutex unlock
	kbuild: fix DT binding schema rule to detect command line changes
	hv_netvsc: Fix unwanted wakeup in netvsc_attach()
	usb: charger: assign specific number for enum value
	nvme-pci: Hold cq_poll_lock while completing CQEs
	s390/qeth: vnicc Fix EOPNOTSUPP precedence
	net: netlink: cap max groups which will be considered in netlink_bind()
	net: atlantic: fix use after free kasan warn
	net: atlantic: fix potential error handling
	net: atlantic: fix out of range usage of active_vlans array
	net/smc: no peer ID in CLC decline for SMCD
	net: ena: make ena rxfh support ETH_RSS_HASH_NO_CHANGE
	selftests: Install settings files to fix TIMEOUT failures
	kbuild: remove header compile test
	kbuild: move headers_check rule to usr/include/Makefile
	kbuild: remove unneeded variable, single-all
	kbuild: make single target builds even faster
	namei: only return -ECHILD from follow_dotdot_rcu()
	mwifiex: drop most magic numbers from mwifiex_process_tdls_action_frame()
	mwifiex: delete unused mwifiex_get_intf_num()
	KVM: SVM: Override default MMIO mask if memory encryption is enabled
	KVM: Check for a bad hva before dropping into the ghc slow path
	sched/fair: Optimize select_idle_cpu
	f2fs: fix to add swap extent correctly
	RDMA/hns: Simplify the calculation and usage of wqe idx for post verbs
	RDMA/hns: Bugfix for posting a wqe with sge
	drivers: net: xgene: Fix the order of the arguments of 'alloc_etherdev_mqs()'
	ima: ima/lsm policy rule loading logic bug fixes
	kprobes: Set unoptimized flag after unoptimizing code
	lib/vdso: Make __arch_update_vdso_data() logic understandable
	lib/vdso: Update coarse timekeeper unconditionally
	pwm: omap-dmtimer: put_device() after of_find_device_by_node()
	perf hists browser: Restore ESC as "Zoom out" of DSO/thread/etc
	perf ui gtk: Add missing zalloc object
	x86/resctrl: Check monitoring static key in the MBM overflow handler
	KVM: x86: Remove spurious kvm_mmu_unload() from vcpu destruction path
	KVM: x86: Remove spurious clearing of async #PF MSR
	rcu: Allow only one expedited GP to run concurrently with wakeups
	ubifs: Fix ino_t format warnings in orphan_delete()
	thermal: db8500: Depromote debug print
	thermal: brcmstb_thermal: Do not use DT coefficients
	netfilter: nft_tunnel: no need to call htons() when dumping ports
	netfilter: nf_flowtable: fix documentation
	bus: tegra-aconnect: Remove PM_CLK dependency
	xfs: clear kernel only flags in XFS_IOC_ATTRMULTI_BY_HANDLE
	locking/lockdep: Fix lockdep_stats indentation problem
	mm/debug.c: always print flags in dump_page()
	mm/gup: allow FOLL_FORCE for get_user_pages_fast()
	mm/huge_memory.c: use head to check huge zero page
	mm, thp: fix defrag setting if newline is not used
	kvm: nVMX: VMWRITE checks VMCS-link pointer before VMCS field
	kvm: nVMX: VMWRITE checks unsupported field before read-only field
	blktrace: Protect q->blk_trace with RCU
	Linux 5.4.24

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0b31557e16c72bd30d1e6938ed199918ff326d88
2020-03-05 17:42:40 +01:00
Thomas Gleixner
91ebef8618 lib/vdso: Make __arch_update_vdso_data() logic understandable
commit 9a6b55ac4a44060bcb782baf002859b2a2c63267 upstream.

The function name suggests that this is a boolean checking whether the
architecture asks for an update of the VDSO data, but it works the other
way round. To spare further confusion invert the logic.

Fixes: 44f57d788e ("timekeeping: Provide a generic update_vsyscall() implementation")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20200114185946.656652824@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-05 16:43:49 +01:00
Greg Kroah-Hartman
87acfa0267 This is the 5.4.19 stable release
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Merge 5.4.19 into android-5.4

Changes in 5.4.19
	sparc32: fix struct ipc64_perm type definition
	bnxt_en: Move devlink_register before registering netdev
	cls_rsvp: fix rsvp_policy
	gtp: use __GFP_NOWARN to avoid memalloc warning
	l2tp: Allow duplicate session creation with UDP
	net: hsr: fix possible NULL deref in hsr_handle_frame()
	net_sched: fix an OOB access in cls_tcindex
	net: stmmac: Delete txtimer in suspend()
	bnxt_en: Fix TC queue mapping.
	rxrpc: Fix use-after-free in rxrpc_put_local()
	rxrpc: Fix insufficient receive notification generation
	rxrpc: Fix missing active use pinning of rxrpc_local object
	rxrpc: Fix NULL pointer deref due to call->conn being cleared on disconnect
	tcp: clear tp->total_retrans in tcp_disconnect()
	tcp: clear tp->delivered in tcp_disconnect()
	tcp: clear tp->data_segs{in|out} in tcp_disconnect()
	tcp: clear tp->segs_{in|out} in tcp_disconnect()
	ionic: fix rxq comp packet type mask
	MAINTAINERS: correct entries for ISDN/mISDN section
	netdevsim: fix stack-out-of-bounds in nsim_dev_debugfs_init()
	bnxt_en: Fix logic that disables Bus Master during firmware reset.
	media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
	mfd: dln2: More sanity checking for endpoints
	netfilter: ipset: fix suspicious RCU usage in find_set_and_id
	ipc/msg.c: consolidate all xxxctl_down() functions
	tracing/kprobes: Have uname use __get_str() in print_fmt
	tracing: Fix sched switch start/stop refcount racy updates
	rcu: Use *_ONCE() to protect lockless ->expmask accesses
	rcu: Avoid data-race in rcu_gp_fqs_check_wake()
	srcu: Apply *_ONCE() to ->srcu_last_gp_end
	rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
	nvmet: Fix error print message at nvmet_install_queue function
	nvmet: Fix controller use after free
	Bluetooth: btusb: fix memory leak on fw
	Bluetooth: btusb: Disable runtime suspend on Realtek devices
	brcmfmac: Fix memory leak in brcmf_usbdev_qinit
	usb: dwc3: gadget: Check END_TRANSFER completion
	usb: dwc3: gadget: Delay starting transfer
	usb: typec: tcpci: mask event interrupts when remove driver
	objtool: Silence build output
	usb: gadget: f_fs: set req->num_sgs as 0 for non-sg transfer
	usb: gadget: legacy: set max_speed to super-speed
	usb: gadget: f_ncm: Use atomic_t to track in-flight request
	usb: gadget: f_ecm: Use atomic_t to track in-flight request
	ALSA: usb-audio: Fix endianess in descriptor validation
	ALSA: usb-audio: Annotate endianess in Scarlett gen2 quirk
	ALSA: dummy: Fix PCM format loop in proc output
	memcg: fix a crash in wb_workfn when a device disappears
	mm/sparse.c: reset section's mem_map when fully deactivated
	mmc: sdhci-pci: Make function amd_sdhci_reset static
	utimes: Clamp the timestamps in notify_change()
	mm/memory_hotplug: fix remove_memory() lockdep splat
	mm: thp: don't need care deferred split queue in memcg charge move path
	mm: move_pages: report the number of non-attempted pages
	media/v4l2-core: set pages dirty upon releasing DMA buffers
	media: v4l2-core: compat: ignore native command codes
	media: v4l2-rect.h: fix v4l2_rect_map_inside() top/left adjustments
	lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()
	irqdomain: Fix a memory leak in irq_domain_push_irq()
	x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR
	platform/x86: intel_scu_ipc: Fix interrupt support
	ALSA: hda: Apply aligned MMIO access only conditionally
	ALSA: hda: Add Clevo W65_67SB the power_save blacklist
	ALSA: hda: Add JasperLake PCI ID and codec vid
	arm64: acpi: fix DAIF manipulation with pNMI
	KVM: arm64: Correct PSTATE on exception entry
	KVM: arm/arm64: Correct CPSR on exception entry
	KVM: arm/arm64: Correct AArch32 SPSR on exception entry
	KVM: arm64: Only sign-extend MMIO up to register width
	MIPS: syscalls: fix indentation of the 'SYSNR' message
	MIPS: fix indentation of the 'RELOCS' message
	MIPS: boot: fix typo in 'vmlinux.lzma.its' target
	s390/mm: fix dynamic pagetable upgrade for hugetlbfs
	powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case
	powerpc/ptdump: Fix W+X verification
	powerpc/xmon: don't access ASDR in VMs
	powerpc/pseries: Advance pfn if section is not present in lmb_is_removable()
	powerpc/32s: Fix bad_kuap_fault()
	powerpc/32s: Fix CPU wake-up from sleep mode
	tracing: Fix now invalid var_ref_vals assumption in trace action
	PCI: tegra: Fix return value check of pm_runtime_get_sync()
	PCI: keystone: Fix outbound region mapping
	PCI: keystone: Fix link training retries initiation
	PCI: keystone: Fix error handling when "num-viewport" DT property is not populated
	mmc: spi: Toggle SPI polarity, do not hardcode it
	ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
	ACPI / battery: Deal with design or full capacity being reported as -1
	ACPI / battery: Use design-cap for capacity calculations if full-cap is not available
	ACPI / battery: Deal better with neither design nor full capacity not being reported
	alarmtimer: Unregister wakeup source when module get fails
	fscrypt: don't print name of busy file when removing key
	ubifs: don't trigger assertion on invalid no-key filename
	ubifs: Fix wrong memory allocation
	ubifs: Fix FS_IOC_SETFLAGS unexpectedly clearing encrypt flag
	ubifs: Fix deadlock in concurrent bulk-read and writepage
	mmc: sdhci-of-at91: fix memleak on clk_get failure
	ASoC: SOF: core: free trace on errors
	hv_balloon: Balloon up according to request page number
	mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
	nvmem: core: fix memory abort in cleanup path
	crypto: api - Check spawn->alg under lock in crypto_drop_spawn
	crypto: ccree - fix backlog memory leak
	crypto: ccree - fix AEAD decrypt auth fail
	crypto: ccree - fix pm wrongful error reporting
	crypto: ccree - fix FDE descriptor sequence
	crypto: ccree - fix PM race condition
	padata: Remove broken queue flushing
	fs: allow deduplication of eof block into the end of the destination file
	scripts/find-unused-docs: Fix massive false positives
	erofs: fix out-of-bound read for shifted uncompressed block
	scsi: megaraid_sas: Do not initiate OCR if controller is not in ready state
	scsi: qla2xxx: Fix mtcp dump collection failure
	cpupower: Revert library ABI changes from commit ae2917093f
	power: supply: axp20x_ac_power: Fix reporting online status
	power: supply: ltc2941-battery-gauge: fix use-after-free
	ovl: fix wrong WARN_ON() in ovl_cache_update_ino()
	ovl: fix lseek overflow on 32bit
	f2fs: choose hardlimit when softlimit is larger than hardlimit in f2fs_statfs_project()
	f2fs: fix miscounted block limit in f2fs_statfs_project()
	f2fs: code cleanup for f2fs_statfs_project()
	f2fs: fix dcache lookup of !casefolded directories
	f2fs: fix race conditions in ->d_compare() and ->d_hash()
	PM: core: Fix handling of devices deleted during system-wide resume
	cpufreq: Avoid creating excessively large stack frames
	of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc
	ARM: dma-api: fix max_pfn off-by-one error in __dma_supported()
	dm zoned: support zone sizes smaller than 128MiB
	dm space map common: fix to ensure new block isn't already in use
	dm writecache: fix incorrect flush sequence when doing SSD mode commit
	dm crypt: fix GFP flags passed to skcipher_request_alloc()
	dm crypt: fix benbi IV constructor crash if used in authenticated mode
	dm thin metadata: use pool locking at end of dm_pool_metadata_close
	dm: fix potential for q->make_request_fn NULL pointer
	scsi: qla2xxx: Fix stuck login session using prli_pend_timer
	ASoC: SOF: Introduce state machine for FW boot
	ASoC: SOF: core: release resources on errors in probe_continue
	tracing: Annotate ftrace_graph_hash pointer with __rcu
	tracing: Annotate ftrace_graph_notrace_hash pointer with __rcu
	ftrace: Add comment to why rcu_dereference_sched() is open coded
	ftrace: Protect ftrace_graph_hash with ftrace_sync
	crypto: pcrypt - Avoid deadlock by using per-instance padata queues
	btrfs: fix improper setting of scanned for range cyclic write cache pages
	btrfs: Handle another split brain scenario with metadata uuid feature
	riscv, bpf: Fix broken BPF tail calls
	selftests/bpf: Fix perf_buffer test on systems w/ offline CPUs
	bpf, devmap: Pass lockdep expression to RCU lists
	libbpf: Fix realloc usage in bpf_core_find_cands
	tc-testing: fix eBPF tests failure on linux fresh clones
	samples/bpf: Don't try to remove user's homedir on clean
	samples/bpf: Xdp_redirect_cpu fix missing tracepoint attach
	selftests/bpf: Fix test_attach_probe
	selftests/bpf: Skip perf hw events test if the setup disabled it
	selftests: bpf: Use a temporary file in test_sockmap
	selftests: bpf: Ignore FIN packets for reuseport tests
	crypto: api - fix unexpectedly getting generic implementation
	crypto: hisilicon - Use the offset fields in sqe to avoid need to split scatterlists
	crypto: ccp - set max RSA modulus size for v3 platform devices as well
	crypto: arm64/ghash-neon - bump priority to 150
	crypto: pcrypt - Do not clear MAY_SLEEP flag in original request
	crypto: atmel-aes - Fix counter overflow in CTR mode
	crypto: api - Fix race condition in crypto_spawn_alg
	crypto: picoxcell - adjust the position of tasklet_init and fix missed tasklet_kill
	powerpc/futex: Fix incorrect user access blocking
	scsi: qla2xxx: Fix unbound NVME response length
	NFS: Fix memory leaks and corruption in readdir
	NFS: Directory page cache pages need to be locked when read
	nfsd: fix filecache lookup
	jbd2_seq_info_next should increase position index
	ext4: fix deadlock allocating crypto bounce page from mempool
	ext4: fix race conditions in ->d_compare() and ->d_hash()
	Btrfs: fix missing hole after hole punching and fsync when using NO_HOLES
	Btrfs: make deduplication with range including the last block work
	Btrfs: fix infinite loop during fsync after rename operations
	btrfs: set trans->drity in btrfs_commit_transaction
	btrfs: drop log root for dropped roots
	Btrfs: fix race between adding and putting tree mod seq elements and nodes
	btrfs: flush write bio if we loop in extent_write_cache_pages
	btrfs: Correctly handle empty trees in find_first_clear_extent_bit
	ARM: tegra: Enable PLLP bypass during Tegra124 LP1
	iwlwifi: don't throw error when trying to remove IGTK
	mwifiex: fix unbalanced locking in mwifiex_process_country_ie()
	sunrpc: expiry_time should be seconds not timeval
	gfs2: fix gfs2_find_jhead that returns uninitialized jhead with seq 0
	gfs2: move setting current->backing_dev_info
	gfs2: fix O_SYNC write handling
	drm: atmel-hlcdc: use double rate for pixel clock only if supported
	drm: atmel-hlcdc: enable clock before configuring timing engine
	drm: atmel-hlcdc: prefer a lower pixel-clock than requested
	drm/rect: Avoid division by zero
	media: iguanair: fix endpoint sanity check
	media: rc: ensure lirc is initialized before registering input device
	tools/kvm_stat: Fix kvm_exit filter name
	xen/balloon: Support xend-based toolstack take two
	watchdog: fix UAF in reboot notifier handling in watchdog core code
	bcache: add readahead cache policy options via sysfs interface
	eventfd: track eventfd_signal() recursion depth
	aio: prevent potential eventfd recursion on poll
	KVM: x86: Refactor picdev_write() to prevent Spectre-v1/L1TF attacks
	KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks
	KVM: x86: Protect pmu_intel.c from Spectre-v1/L1TF attacks
	KVM: x86: Protect DR-based index computations from Spectre-v1/L1TF attacks
	KVM: x86: Protect kvm_lapic_reg_write() from Spectre-v1/L1TF attacks
	KVM: x86: Protect kvm_hv_msr_[get|set]_crash_data() from Spectre-v1/L1TF attacks
	KVM: x86: Protect ioapic_write_indirect() from Spectre-v1/L1TF attacks
	KVM: x86: Protect MSR-based index computations in pmu.h from Spectre-v1/L1TF attacks
	KVM: x86: Protect ioapic_read_indirect() from Spectre-v1/L1TF attacks
	KVM: x86: Protect MSR-based index computations from Spectre-v1/L1TF attacks in x86.c
	KVM: x86: Protect x86_decode_insn from Spectre-v1/L1TF attacks
	KVM: x86: Protect MSR-based index computations in fixed_msr_to_seg_unit() from Spectre-v1/L1TF attacks
	KVM: x86: Fix potential put_fpu() w/o load_fpu() on MPX platform
	KVM: PPC: Book3S HV: Uninit vCPU if vcore creation fails
	KVM: PPC: Book3S PR: Free shared page if mmu initialization fails
	kvm/svm: PKU not currently supported
	x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit
	x86/kvm: Introduce kvm_(un)map_gfn()
	x86/KVM: Make sure KVM_VCPU_FLUSH_TLB flag is not missed
	x86/kvm: Cache gfn to pfn translation
	x86/KVM: Clean up host's steal time structure
	KVM: VMX: Add non-canonical check on writes to RTIT address MSRs
	KVM: x86: Don't let userspace set host-reserved cr4 bits
	KVM: x86: Free wbinvd_dirty_mask if vCPU creation fails
	KVM: x86: Handle TIF_NEED_FPU_LOAD in kvm_{load,put}_guest_fpu()
	KVM: x86: Ensure guest's FPU state is loaded when accessing for emulation
	KVM: x86: Revert "KVM: X86: Fix fpu state crash in kvm guest"
	KVM: s390: do not clobber registers during guest reset/store status
	ocfs2: fix oops when writing cloned file
	mm/page_alloc.c: fix uninitialized memmaps on a partially populated last section
	arm64: dts: qcom: qcs404-evb: Set vdd_apc regulator in high power mode
	mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
	clk: tegra: Mark fuse clock as critical
	drm/amd/dm/mst: Ignore payload update failures
	virtio-balloon: initialize all vq callbacks
	virtio-pci: check name when counting MSI-X vectors
	fix up iter on short count in fuse_direct_io()
	broken ping to ipv6 linklocal addresses on debian buster
	percpu: Separate decrypted varaibles anytime encryption can be enabled
	ASoC: meson: axg-fifo: fix fifo threshold setup
	scsi: qla2xxx: Fix the endianness of the qla82xx_get_fw_size() return type
	scsi: csiostor: Adjust indentation in csio_device_reset
	scsi: qla4xxx: Adjust indentation in qla4xxx_mem_free
	scsi: ufs: Recheck bkops level if bkops is disabled
	mtd: spi-nor: Split mt25qu512a (n25q512a) entry into two
	phy: qualcomm: Adjust indentation in read_poll_timeout
	ext2: Adjust indentation in ext2_fill_super
	powerpc/44x: Adjust indentation in ibm4xx_denali_fixup_memsize
	drm: msm: mdp4: Adjust indentation in mdp4_dsi_encoder_enable
	NFC: pn544: Adjust indentation in pn544_hci_check_presence
	ppp: Adjust indentation into ppp_async_input
	net: smc911x: Adjust indentation in smc911x_phy_configure
	net: tulip: Adjust indentation in {dmfe, uli526x}_init_module
	IB/mlx5: Fix outstanding_pi index for GSI qps
	IB/core: Fix ODP get user pages flow
	nfsd: fix delay timer on 32-bit architectures
	nfsd: fix jiffies/time_t mixup in LRU list
	nfsd: Return the correct number of bytes written to the file
	virtio-balloon: Fix memory leak when unloading while hinting is in progress
	virtio_balloon: Fix memory leaks on errors in virtballoon_probe()
	ubi: fastmap: Fix inverted logic in seen selfcheck
	ubi: Fix an error pointer dereference in error handling code
	ubifs: Fix memory leak from c->sup_node
	regulator: core: Add regulator_is_equal() helper
	ASoC: sgtl5000: Fix VDDA and VDDIO comparison
	bonding/alb: properly access headers in bond_alb_xmit()
	devlink: report 0 after hitting end in region read
	dpaa_eth: support all modes with rate adapting PHYs
	net: dsa: b53: Always use dev->vlan_enabled in b53_configure_vlan()
	net: dsa: bcm_sf2: Only 7278 supports 2Gb/sec IMP port
	net: dsa: microchip: enable module autoprobe
	net: mvneta: move rx_dropped and rx_errors in per-cpu stats
	net_sched: fix a resource leak in tcindex_set_parms()
	net: stmmac: fix a possible endless loop
	net: systemport: Avoid RBUF stuck in Wake-on-LAN mode
	net/mlx5: IPsec, Fix esp modify function attribute
	net/mlx5: IPsec, fix memory leak at mlx5_fpga_ipsec_delete_sa_ctx
	net: macb: Remove unnecessary alignment check for TSO
	net: macb: Limit maximum GEM TX length in TSO
	taprio: Fix enabling offload with wrong number of traffic classes
	taprio: Fix still allowing changing the flags during runtime
	taprio: Add missing policy validation for flags
	taprio: Use taprio_reset_tc() to reset Traffic Classes configuration
	taprio: Fix dropping packets when using taprio + ETF offloading
	ipv6/addrconf: fix potential NULL deref in inet6_set_link_af()
	qed: Fix timestamping issue for L2 unicast ptp packets.
	drop_monitor: Do not cancel uninitialized work item
	net/mlx5: Fix deadlock in fs_core
	net/mlx5: Deprecate usage of generic TLS HW capability bit
	ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug
	mfd: da9062: Fix watchdog compatible string
	mfd: rn5t618: Mark ADC control register volatile
	mfd: bd70528: Fix hour register mask
	x86/timer: Don't skip PIT setup when APIC is disabled or in legacy mode
	btrfs: use bool argument in free_root_pointers()
	btrfs: free block groups after free'ing fs trees
	drm/dp_mst: Remove VCPI while disabling topology mgr
	KVM: x86/mmu: Apply max PA check for MMIO sptes to 32-bit KVM
	KVM: x86: use CPUID to locate host page table reserved bits
	KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit KVM
	KVM: x86: fix overlap between SPTE_MMIO_MASK and generation
	KVM: nVMX: vmread should not set rflags to specify success in case of #PF
	KVM: Use vcpu-specific gva->hva translation when querying host page size
	KVM: Play nice with read-only memslots when querying host page size
	cifs: fail i/o on soft mounts if sessionsetup errors out
	x86/apic/msi: Plug non-maskable MSI affinity race
	clocksource: Prevent double add_timer_on() for watchdog_timer
	perf/core: Fix mlock accounting in perf_mmap()
	rxrpc: Fix service call disconnection
	regulator fix for "regulator: core: Add regulator_is_equal() helper"
	powerpc/kuap: Fix set direction in allow/prevent_user_access()
	Linux 5.4.19

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ief6bae336b8e6931810e5b357c0d5e16fbf1c13e
2020-02-11 14:09:41 -08:00
Peter Zijlstra
806cabd311 mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
commit 0ed1325967ab5f7a4549a2641c6ebe115f76e228 upstream.

Architectures for which we have hardware walkers of Linux page table
should flush TLB on mmu gather batch allocation failures and batch flush.
Some architectures like POWER supports multiple translation modes (hash
and radix) and in the case of POWER only radix translation mode needs the
above TLBI.  This is because for hash translation mode kernel wants to
avoid this extra flush since there are no hardware walkers of linux page
table.  With radix translation, the hardware also walks linux page table
and with that, kernel needs to make sure to TLB invalidate page walk cache
before page table pages are freed.

More details in commit d86564a2f0 ("mm/tlb, x86/mm: Support invalidating
TLB caches for RCU_TABLE_FREE")

The changes to sparc are to make sure we keep the old behavior since we
are now removing HAVE_RCU_TABLE_NO_INVALIDATE.  The default value for
tlb_needs_table_invalidate is to always force an invalidate and sparc can
avoid the table invalidate.  Hence we define tlb_needs_table_invalidate to
false for sparc architecture.

Link: http://lkml.kernel.org/r/20200116064531.483522-3-aneesh.kumar@linux.ibm.com
Fixes: a46cc7a90f ("powerpc/mm/radix: Improve TLB/PWC flushes")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>	[powerpc]
Cc: <stable@vger.kernel.org>	[4.14+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-11 04:35:42 -08:00
Greg Kroah-Hartman
b0b02162a4 This is the 5.4.13 stable release
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Merge 5.4.13 into android-5.4

Changes in 5.4.13
	HID: hidraw, uhid: Always report EPOLLOUT
	rtc: mt6397: fix alarm register overwrite
	phy: mapphone-mdm6600: Fix uninitialized status value regression
	RDMA/bnxt_re: Avoid freeing MR resources if dereg fails
	RDMA/bnxt_re: Fix Send Work Entry state check while polling completions
	IB/hfi1: Don't cancel unused work item
	mtd: rawnand: stm32_fmc2: avoid to lock the CPU bus
	i2c: bcm2835: Store pointer to bus clock
	ASoC: SOF: imx8: fix memory allocation failure check on priv->pd_dev
	ASoC: soc-core: Set dpcm_playback / dpcm_capture
	ASoC: stm32: spdifrx: fix inconsistent lock state
	ASoC: stm32: spdifrx: fix race condition in irq handler
	ASoC: stm32: spdifrx: fix input pin state management
	pinctrl: lochnagar: select GPIOLIB
	netfilter: nft_flow_offload: fix underflow in flowtable reference counter
	ASoC: SOF: imx8: Fix dsp_box offset
	mtd: onenand: omap2: Pass correct flags for prep_dma_memcpy
	gpio: zynq: Fix for bug in zynq_gpio_restore_context API
	pinctrl: meson: Fix wrong shift value when get drive-strength
	selftests: loopback.sh: skip this test if the driver does not support
	iommu/vt-d: Unlink device if failed to add to group
	iommu: Remove device link to group on failure
	bpf: cgroup: prevent out-of-order release of cgroup bpf
	fs: move guard_bio_eod() after bio_set_op_attrs
	scsi: mpt3sas: Fix double free in attach error handling
	gpio: Fix error message on out-of-range GPIO in lookup table
	PM / devfreq: tegra: Add COMMON_CLK dependency
	PCI: amlogic: Fix probed clock names
	drm/tegra: Fix ordering of cleanup code
	hsr: add hsr root debugfs directory
	hsr: rename debugfs file when interface name is changed
	hsr: reset network header when supervision frame is created
	s390/qeth: fix qdio teardown after early init error
	s390/qeth: fix false reporting of VNIC CHAR config failure
	s390/qeth: Fix vnicc_is_in_use if rx_bcast not set
	s390/qeth: vnicc Fix init to default
	s390/qeth: fix initialization on old HW
	cifs: Adjust indentation in smb2_open_file
	scsi: smartpqi: Update attribute name to `driver_version`
	MAINTAINERS: Append missed file to the database
	ath9k: use iowrite32 over __raw_writel
	can: j1939: fix address claim code example
	dt-bindings: reset: Fix brcmstb-reset example
	reset: brcmstb: Remove resource checks
	afs: Fix missing cell comparison in afs_test_super()
	perf vendor events s390: Remove name from L1D_RO_EXCL_WRITES description
	syscalls/x86: Wire up COMPAT_SYSCALL_DEFINE0
	syscalls/x86: Use COMPAT_SYSCALL_DEFINE0 for IA32 (rt_)sigreturn
	syscalls/x86: Use the correct function type for sys_ni_syscall
	syscalls/x86: Fix function types in COND_SYSCALL
	hsr: fix slab-out-of-bounds Read in hsr_debugfs_rename()
	btrfs: simplify inode locking for RWF_NOWAIT
	netfilter: nf_tables_offload: release flow_rule on error from commit path
	netfilter: nft_meta: use 64-bit time arithmetic
	ASoC: dt-bindings: mt8183: add missing update
	ASoC: simple_card_utils.h: Add missing include
	ASoC: fsl_esai: Add spin lock to protect reset, stop and start
	ASoC: SOF: Intel: Broadwell: clarify mutual exclusion with legacy driver
	ASoC: core: Fix compile warning with CONFIG_DEBUG_FS=n
	ASoC: rsnd: fix DALIGN register for SSIU
	RDMA/hns: Prevent undefined behavior in hns_roce_set_user_sq_size()
	RDMA/hns: remove a redundant le16_to_cpu
	RDMA/hns: Modify return value of restrack functions
	RDMA/counter: Prevent QP counter manual binding in auto mode
	RDMA/siw: Fix port number endianness in a debug message
	RDMA/hns: Fix build error again
	RDMA/hns: Release qp resources when failed to destroy qp
	xprtrdma: Add unique trace points for posting Local Invalidate WRs
	xprtrdma: Connection becomes unstable after a reconnect
	xprtrdma: Fix MR list handling
	xprtrdma: Close window between waking RPC senders and posting Receives
	RDMA/hns: Fix to support 64K page for srq
	RDMA/hns: Bugfix for qpc/cqc timer configuration
	rdma: Remove nes ABI header
	RDMA/mlx5: Return proper error value
	RDMA/srpt: Report the SCSI residual to the initiator
	uaccess: Add non-pagefault user-space write function
	bpf: Make use of probe_user_write in probe write helper
	bpf: skmsg, fix potential psock NULL pointer dereference
	bpf: Support pre-2.25-binutils objcopy for vmlinux BTF
	libbpf: Fix Makefile' libbpf symbol mismatch diagnostic
	afs: Fix use-after-loss-of-ref
	afs: Fix afs_lookup() to not clobber the version on a new dentry
	keys: Fix request_key() cache
	scsi: enclosure: Fix stale device oops with hot replug
	scsi: sd: Clear sdkp->protection_type if disk is reformatted without PI
	platform/mellanox: fix potential deadlock in the tmfifo driver
	platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
	platform/x86: GPD pocket fan: Use default values when wrong modparams are given
	asm-generic/nds32: don't redefine cacheflush primitives
	Documentation/ABI: Fix documentation inconsistency for mlxreg-io sysfs interfaces
	Documentation/ABI: Add missed attribute for mlxreg-io sysfs interfaces
	xprtrdma: Fix create_qp crash on device unload
	xprtrdma: Fix completion wait during device removal
	xprtrdma: Fix oops in Receive handler after device removal
	dm: add dm-clone to the documentation index
	scsi: ufs: Give an unique ID to each ufs-bsg
	crypto: cavium/nitrox - fix firmware assignment to AE cores
	crypto: hisilicon - select NEED_SG_DMA_LENGTH in qm Kconfig
	crypto: arm64/aes-neonbs - add return value of skcipher_walk_done() in __xts_crypt()
	crypto: virtio - implement missing support for output IVs
	crypto: algif_skcipher - Use chunksize instead of blocksize
	crypto: geode-aes - convert to skcipher API and make thread-safe
	NFSv2: Fix a typo in encode_sattr()
	nfsd: Fix cld_net->cn_tfm initialization
	nfsd: v4 support requires CRYPTO_SHA256
	NFSv4.x: Handle bad/dead sessions correctly in nfs41_sequence_process()
	NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn
	iio: imu: st_lsm6dsx: fix gyro gain definitions for LSM9DS1
	iio: imu: adis16480: assign bias value only if operation succeeded
	mei: fix modalias documentation
	clk: meson: axg-audio: fix regmap last register
	clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume
	clk: Fix memory leak in clk_unregister()
	dmaengine: dw: platform: Mark 'hclk' clock optional
	clk: imx: pll14xx: Fix quick switch of S/K parameter
	rsi: fix potential null dereference in rsi_probe()
	affs: fix a memory leak in affs_remount
	pinctl: ti: iodelay: fix error checking on pinctrl_count_index_with_args call
	pinctrl: sh-pfc: Fix PINMUX_IPSR_PHYS() to set GPSR
	pinctrl: sh-pfc: Do not use platform_get_irq() to count interrupts
	pinctrl: lewisburg: Update pin list according to v1.1v6
	PCI: pciehp: Do not disable interrupt twice on suspend
	Revert "drm/virtio: switch virtio_gpu_wait_ioctl() to gem helper."
	drm/amdgpu: cleanup creating BOs at fixed location (v2)
	drm/amdgpu/discovery: reserve discovery data at the top of VRAM
	scsi: sd: enable compat ioctls for sed-opal
	arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
	gfs2: add compat_ioctl support
	af_unix: add compat_ioctl support
	compat_ioctl: handle SIOCOUTQNSD
	PCI: aardvark: Use LTSSM state to build link training flag
	PCI: aardvark: Fix PCI_EXP_RTCTL register configuration
	PCI: dwc: Fix find_next_bit() usage
	PCI: Fix missing bridge dma_ranges resource list cleanup
	PCI/PM: Clear PCIe PME Status even for legacy power management
	tools: PCI: Fix fd leakage
	PCI/PTM: Remove spurious "d" from granularity message
	powerpc/powernv: Disable native PCIe port management
	MIPS: PCI: remember nasid changed by set interrupt affinity
	MIPS: Loongson: Fix return value of loongson_hwmon_init
	MIPS: SGI-IP27: Fix crash, when CPUs are disabled via nr_cpus parameter
	tty: serial: imx: use the sg count from dma_map_sg
	tty: serial: pch_uart: correct usage of dma_unmap_sg
	ARM: 8943/1: Fix topology setup in case of CPU hotplug for CONFIG_SCHED_MC
	media: ov6650: Fix incorrect use of JPEG colorspace
	media: ov6650: Fix some format attributes not under control
	media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
	media: ov6650: Fix default format not applied on device probe
	media: rcar-vin: Fix incorrect return statement in rvin_try_format()
	media: hantro: h264: Fix the frame_num wraparound case
	media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()'
	media: exynos4-is: Fix recursive locking in isp_video_release()
	media: coda: fix deadlock between decoder picture run and start command
	media: cedrus: Use correct H264 8x8 scaling list
	media: hantro: Do not reorder H264 scaling list
	media: aspeed-video: Fix memory leaks in aspeed_video_probe
	media: hantro: Set H264 FIELDPIC_FLAG_E flag correctly
	iommu/mediatek: Correct the flush_iotlb_all callback
	iommu/mediatek: Add a new tlb_lock for tlb_flush
	memory: mtk-smi: Add PM suspend and resume ops
	Revert "ubifs: Fix memory leak bug in alloc_ubifs_info() error path"
	ubifs: Fixed missed le64_to_cpu() in journal
	ubifs: do_kill_orphans: Fix a memory leak bug
	spi: sprd: Fix the incorrect SPI register
	mtd: spi-nor: fix silent truncation in spi_nor_read()
	mtd: spi-nor: fix silent truncation in spi_nor_read_raw()
	spi: pxa2xx: Set controller->max_transfer_size in dma mode
	spi: atmel: fix handling of cs_change set on non-last xfer
	spi: rspi: Use platform_get_irq_byname_optional() for optional irqs
	spi: lpspi: fix memory leak in fsl_lpspi_probe
	iwlwifi: mvm: consider ieee80211 station max amsdu value
	rtlwifi: Remove unnecessary NULL check in rtl_regd_init
	iwlwifi: mvm: fix support for single antenna diversity
	sch_cake: Add missing NLA policy entry TCA_CAKE_SPLIT_GSO
	f2fs: fix potential overflow
	NFSD fixing possible null pointer derefering in copy offload
	rtc: msm6242: Fix reading of 10-hour digit
	rtc: brcmstb-waketimer: add missed clk_disable_unprepare
	rtc: bd70528: Add MODULE ALIAS to autoload module
	gpio: mpc8xxx: Add platform device to gpiochip->parent
	scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
	scsi: target/iblock: Fix protection error with blocks greater than 512B
	selftests: firmware: Fix it to do root uid check and skip
	rseq/selftests: Turn off timeout setting
	riscv: export flush_icache_all to modules
	mips: cacheinfo: report shared CPU map
	mips: Fix gettimeofday() in the vdso library
	tomoyo: Suppress RCU warning at list_for_each_entry_rcu().
	MIPS: Prevent link failure with kcov instrumentation
	drm/arm/mali: make malidp_mw_connector_helper_funcs static
	rxrpc: Unlock new call in rxrpc_new_incoming_call() rather than the caller
	rxrpc: Don't take call->user_mutex in rxrpc_new_incoming_call()
	rxrpc: Fix missing security check on incoming calls
	dmaengine: k3dma: Avoid null pointer traversal
	s390/qeth: lock the card while changing its hsuid
	ioat: ioat_alloc_ring() failure handling.
	drm/amdgpu: enable gfxoff for raven1 refresh
	media: intel-ipu3: Align struct ipu3_uapi_awb_fr_config_s to 32 bytes
	kbuild/deb-pkg: annotate libelf-dev dependency as :native
	hexagon: parenthesize registers in asm predicates
	hexagon: work around compiler crash
	ocfs2: call journal flush to mark journal as empty after journal recovery when mount
	Linux 5.4.13

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I90734cd9d80f000e05a8109a529916ae641cdede
2020-01-17 23:38:39 +01:00
Mike Rapoport
ff60c02a97 asm-generic/nds32: don't redefine cacheflush primitives
commit 4f0bd808134d73184054ad09173821c84f31dd5d upstream.

The commit c296d4dc13 ("asm-generic: fix a compilation warning") changed
asm-generic/cachflush.h to use static inlines instead of macros and as a
result the nds32 build with CONFIG_CPU_CACHE_ALIASING=n fails:

  CC      init/main.o
In file included from arch/nds32/include/asm/cacheflush.h:43,
                 from include/linux/highmem.h:12,
                 from include/linux/pagemap.h:11,
                 from include/linux/blkdev.h:16,
                 from include/linux/blk-cgroup.h:23,
                 from include/linux/writeback.h:14,
                 from init/main.c:44:
include/asm-generic/cacheflush.h:50:20: error: static declaration of 'flush_icache_range' follows non-static declaration
 static inline void flush_icache_range(unsigned long start, unsigned long end)
                    ^~~~~~~~~~~~~~~~~~
In file included from include/linux/highmem.h:12,
                 from include/linux/pagemap.h:11,
                 from include/linux/blkdev.h:16,
                 from include/linux/blk-cgroup.h:23,
                 from include/linux/writeback.h:14,
                 from init/main.c:44:
arch/nds32/include/asm/cacheflush.h:11:6: note: previous declaration of 'flush_icache_range' was here
 void flush_icache_range(unsigned long start, unsigned long end);
      ^~~~~~~~~~~~~~~~~~

Surround the inline functions in asm-generic/cacheflush.h by ifdef's so
that architectures could override them and add the required overrides to
nds32.

Fixes: c296d4dc13 ("asm-generic: fix a compilation warning")
Link: https://lore.kernel.org/lkml/201912212139.yptX8CsV%25lkp@intel.com/
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Greentime Hu <green.hu@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-17 19:48:43 +01:00
Sami Tolvanen
d71a92631c ANDROID: add support for Clang's Control Flow Integrity (CFI)
This change adds the CONFIG_CFI_CLANG option, CFI error handling,
and a faster look-up table for cross module CFI checks.

Bug: 145210207
Change-Id: I118303de50114ca6f85d89a7d69c5cbc47e2f5c0
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
2019-11-27 12:49:12 -08:00
Sami Tolvanen
d671af5fd7 ANDROID: kbuild: fix dynamic ftrace with clang LTO
With CONFIG_LTO_CLANG enabled, LLVM IR won't be compiled into object
files until modpost_link. This change postpones calls to recordmcount
until after this step.

In order to exclude ftrace_process_locs from inspection, we add a new
code section .text..ftrace, which we tell recordmcount to ignore, and
a __norecordmcount attribute for moving functions to this section.

Bug: 145210207
Change-Id: Ib77f7c431fce54243c46d584b55761ed2342965c
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
2019-11-27 12:49:10 -08:00
Sami Tolvanen
2e39b40dd2 ANDROID: kbuild: add support for Clang LTO
This change adds the configuration option CONFIG_LTO_CLANG, and
build system support for Clang's Link Time Optimization (LTO). In
preparation for LTO support with other compilers, potentially common
parts of the changes are gated behind CONFIG_LTO instead.

With -flto, instead of object files, Clang produces LLVM bitcode,
which is compiled into a native object at link time, allowing the
final binary to be optimized globally. For more details, see:

  https://llvm.org/docs/LinkTimeOptimization.html

While the kernel normally uses GNU ld for linking, LLVM supports LTO
only with LLD or GNU gold linkers. This change assumes LLD is used.

Bug: 145210207
Change-Id: If1164ff33d073358ee7d4bba84cbb06c349c4a88
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
2019-11-27 12:49:10 -08:00
Matthias Maennich
537d1f70d1 Revert "ANDROID: Revert "Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux""
This reverts commit 3fde1dfb00.

Revert to the upstream version by reinstating the original
modules-for-v5.4 merge.

Bug: 142892219
Bug: 144336692
Change-Id: I3871c67dd3cba0a5b9b2e1a87be8653a14cb9de5
Signed-off-by: Matthias Maennich <maennich@google.com>
2019-11-13 10:14:45 +00:00