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This is the 5.4.41 stable release

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Merge 5.4.41 into android-5.4-stable

Changes in 5.4.41
	USB: serial: qcserial: Add DW5816e support
	nvme: refactor nvme_identify_ns_descs error handling
	nvme: fix possible hang when ns scanning fails during error recovery
	tracing/kprobes: Fix a double initialization typo
	net: macb: Fix runtime PM refcounting
	drm/amdgpu: move kfd suspend after ip_suspend_phase1
	drm/amdgpu: drop redundant cg/pg ungate on runpm enter
	vt: fix unicode console freeing with a common interface
	tty: xilinx_uartps: Fix missing id assignment to the console
	devlink: fix return value after hitting end in region read
	dp83640: reverse arguments to list_add_tail
	fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks
	ipv6: Use global sernum for dst validation with nexthop objects
	mlxsw: spectrum_acl_tcam: Position vchunk in a vregion list properly
	neigh: send protocol value in neighbor create notification
	net: dsa: Do not leave DSA master with NULL netdev_ops
	net: macb: fix an issue about leak related system resources
	net: macsec: preserve ingress frame ordering
	net/mlx4_core: Fix use of ENOSPC around mlx4_counter_alloc()
	net_sched: sch_skbprio: add message validation to skbprio_change()
	net: stricter validation of untrusted gso packets
	net: tc35815: Fix phydev supported/advertising mask
	net/tls: Fix sk_psock refcnt leak in bpf_exec_tx_verdict()
	net/tls: Fix sk_psock refcnt leak when in tls_data_ready()
	net: usb: qmi_wwan: add support for DW5816e
	nfp: abm: fix a memory leak bug
	sch_choke: avoid potential panic in choke_reset()
	sch_sfq: validate silly quantum values
	tipc: fix partial topology connection closure
	tunnel: Propagate ECT(1) when decapsulating as recommended by RFC6040
	bnxt_en: Fix VF anti-spoof filter setup.
	bnxt_en: Reduce BNXT_MSIX_VEC_MAX value to supported CQs per PF.
	bnxt_en: Improve AER slot reset.
	bnxt_en: Return error when allocating zero size context memory.
	bnxt_en: Fix VLAN acceleration handling in bnxt_fix_features().
	net/mlx5: DR, On creation set CQ's arm_db member to right value
	net/mlx5: Fix forced completion access non initialized command entry
	net/mlx5: Fix command entry leak in Internal Error State
	net: mvpp2: prevent buffer overflow in mvpp22_rss_ctx()
	net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
	HID: wacom: Read HID_DG_CONTACTMAX directly for non-generic devices
	sctp: Fix bundling of SHUTDOWN with COOKIE-ACK
	Revert "HID: wacom: generic: read the number of expected touches on a per collection basis"
	HID: usbhid: Fix race between usbhid_close() and usbhid_stop()
	HID: wacom: Report 2nd-gen Intuos Pro S center button status over BT
	USB: uas: add quirk for LaCie 2Big Quadra
	usb: chipidea: msm: Ensure proper controller reset using role switch API
	USB: serial: garmin_gps: add sanity checking for data length
	tracing: Add a vmalloc_sync_mappings() for safe measure
	crypto: arch/nhpoly1305 - process in explicit 4k chunks
	KVM: s390: Remove false WARN_ON_ONCE for the PQAP instruction
	KVM: VMX: Explicitly clear RFLAGS.CF and RFLAGS.ZF in VM-Exit RSB path
	KVM: arm: vgic: Fix limit condition when writing to GICD_I[CS]ACTIVER
	KVM: arm64: Fix 32bit PC wrap-around
	arm64: hugetlb: avoid potential NULL dereference
	drm: ingenic-drm: add MODULE_DEVICE_TABLE
	ipc/mqueue.c: change __do_notify() to bypass check_kill_permission()
	epoll: atomically remove wait entry on wake up
	eventpoll: fix missing wakeup for ovflist in ep_poll_callback
	mm/page_alloc: fix watchdog soft lockups during set_zone_contiguous()
	mm: limit boost_watermark on small zones
	ceph: fix endianness bug when handling MDS session feature bits
	ceph: demote quotarealm lookup warning to a debug message
	staging: gasket: Check the return value of gasket_get_bar_index()
	coredump: fix crash when umh is disabled
	riscv: set max_pfn to the PFN of the last page
	iocost: protect iocg->abs_vdebt with iocg->waitq.lock
	batman-adv: fix batadv_nc_random_weight_tq
	batman-adv: Fix refcnt leak in batadv_show_throughput_override
	batman-adv: Fix refcnt leak in batadv_store_throughput_override
	batman-adv: Fix refcnt leak in batadv_v_ogm_process
	x86/entry/64: Fix unwind hints in register clearing code
	x86/entry/64: Fix unwind hints in kernel exit path
	x86/entry/64: Fix unwind hints in rewind_stack_do_exit()
	x86/unwind/orc: Don't skip the first frame for inactive tasks
	x86/unwind/orc: Prevent unwinding before ORC initialization
	x86/unwind/orc: Fix error path for bad ORC entry type
	x86/unwind/orc: Fix premature unwind stoppage due to IRET frames
	KVM: x86: Fixes posted interrupt check for IRQs delivery modes
	arch/x86/kvm/svm/sev.c: change flag passed to GUP fast in sev_pin_memory()
	netfilter: nat: never update the UDP checksum when it's 0
	netfilter: nf_osf: avoid passing pointer to local var
	objtool: Fix stack offset tracking for indirect CFAs
	iommu/virtio: Reverse arguments to list_add
	scripts/decodecode: fix trapping instruction formatting
	mm, memcg: fix error return value of mem_cgroup_css_alloc()
	bdi: move bdi_dev_name out of line
	bdi: add a ->dev_name field to struct backing_dev_info
	fsnotify: replace inode pointer with an object id
	fanotify: merge duplicate events on parent and child
	Linux 5.4.41

Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: Ie6695b1dace8ca62579a57084608e9268e52fde9
This commit is contained in:
Greg Kroah-Hartman 2020-05-14 08:55:48 +02:00
commit 5e169f689f
90 changed files with 647 additions and 345 deletions
Download patch file Download diff file Expand all files Collapse all files

34
ipc/mqueue.c
View file

@ -82,6 +82,7 @@ struct mqueue_inode_info {
struct sigevent notify;
struct pid *notify_owner;
u32 notify_self_exec_id;
struct user_namespace *notify_user_ns;
struct user_struct *user; /* user who created, for accounting */
struct sock *notify_sock;
@ -709,28 +710,44 @@ static void __do_notify(struct mqueue_inode_info *info)
* synchronously. */
if (info->notify_owner &&
info->attr.mq_curmsgs == 1) {
struct kernel_siginfo sig_i;
switch (info->notify.sigev_notify) {
case SIGEV_NONE:
break;
case SIGEV_SIGNAL:
/* sends signal */
case SIGEV_SIGNAL: {
struct kernel_siginfo sig_i;
struct task_struct *task;
/* do_mq_notify() accepts sigev_signo == 0, why?? */
if (!info->notify.sigev_signo)
break;
clear_siginfo(&sig_i);
sig_i.si_signo = info->notify.sigev_signo;
sig_i.si_errno = 0;
sig_i.si_code = SI_MESGQ;
sig_i.si_value = info->notify.sigev_value;
/* map current pid/uid into info->owner's namespaces */
rcu_read_lock();
/* map current pid/uid into info->owner's namespaces */
sig_i.si_pid = task_tgid_nr_ns(current,
ns_of_pid(info->notify_owner));
sig_i.si_uid = from_kuid_munged(info->notify_user_ns, current_uid());
sig_i.si_uid = from_kuid_munged(info->notify_user_ns,
current_uid());
/*
* We can't use kill_pid_info(), this signal should
* bypass check_kill_permission(). It is from kernel
* but si_fromuser() can't know this.
* We do check the self_exec_id, to avoid sending
* signals to programs that don't expect them.
*/
task = pid_task(info->notify_owner, PIDTYPE_TGID);
if (task && task->self_exec_id ==
info->notify_self_exec_id) {
do_send_sig_info(info->notify.sigev_signo,
&sig_i, task, PIDTYPE_TGID);
}
rcu_read_unlock();
kill_pid_info(info->notify.sigev_signo,
&sig_i, info->notify_owner);
break;
}
case SIGEV_THREAD:
set_cookie(info->notify_cookie, NOTIFY_WOKENUP);
netlink_sendskb(info->notify_sock, info->notify_cookie);
@ -1315,6 +1332,7 @@ retry:
info->notify.sigev_signo = notification->sigev_signo;
info->notify.sigev_value = notification->sigev_value;
info->notify.sigev_notify = SIGEV_SIGNAL;
info->notify_self_exec_id = current->self_exec_id;
break;
}