Repository files (latest commit first)

Filename	Latest commit message	Latest commit date
Mikhail Zaslonko 4e8346d0be memory_hotplug: fix kernel_panic on offline page processing ... Within show_valid_zones() the function test_pages_in_a_zone() should be called for online memory blocks only. Otherwise it might lead to the VM_BUG_ON due to uninitialized struct pages (when CONFIG_DEBUG_VM_PGFLAGS kernel option is set): page dumped because: VM_BUG_ON_PAGE(PagePoisoned(p)) ------------[ cut here ]------------ Call Trace: ([<000000000038f91e>] test_pages_in_a_zone+0xe6/0x168) [<0000000000923472>] show_valid_zones+0x5a/0x1a8 [<0000000000900284>] dev_attr_show+0x3c/0x78 [<000000000046f6f0>] sysfs_kf_seq_show+0xd0/0x150 [<00000000003ef662>] seq_read+0x212/0x4b8 [<00000000003bf202>] __vfs_read+0x3a/0x178 [<00000000003bf3ca>] vfs_read+0x8a/0x148 [<00000000003bfa3a>] ksys_read+0x62/0xb8 [<0000000000bc2220>] system_call+0xdc/0x2d8 That VM_BUG_ON was triggered by the page poisoning introduced in mm/sparse.c with the git commit d0dc12e86b ("mm/memory_hotplug: optimize memory hotplug"). With the same commit the new 'nid' field has been added to the struct memory_block in order to store and later on derive the node id for offline pages (instead of accessing struct page which might be uninitialized). But one reference to nid in show_valid_zones() function has been overlooked. Fixed with current commit. Also, nr_pages will not be used any more after test_pages_in_a_zone() call, do not update it. Link: http://lkml.kernel.org/r/20180828090539.41491-1-zaslonko@linux.ibm.com Fixes: d0dc12e86b ("mm/memory_hotplug: optimize memory hotplug") Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Pavel Tatashin <pavel.tatashin@microsoft.com> Cc: <stable@vger.kernel.org> [4.17+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2018-09-04 16:45:02 -07:00
..
accessibility
acpi	libnvdimm-for-4.19_misc	2018-08-25 18:13:10 -07:00
amba
android	android: binder: Rate-limit debug and userspace triggered err msgs	2018-08-08 11:05:47 +02:00
ata	ata: ftide010: Add a quirk for SQ201	2018-08-27 14:25:54 -06:00
atm
auxdisplay	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00
base	memory_hotplug: fix kernel_panic on offline page processing	2018-09-04 16:45:02 -07:00
bcma
block	for-linus-20180830	2018-08-30 13:39:04 -07:00
bluetooth	Bluetooth: mediatek: Fix memory leak	2018-08-21 16:56:20 +02:00
bus	Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2	2018-08-28 09:58:03 -07:00
cdrom	cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status	2018-08-29 08:09:20 -06:00
char	RTC for 4.19	2018-08-20 16:30:27 -07:00
clk	clk: x86: Set default parent to 48Mhz	2018-08-30 14:47:41 -07:00
clocksource	RISC-V Updates for the 4.19 Merge Window	2018-08-19 09:56:38 -07:00
connector
cpufreq	ARM: SoC driver updates	2018-08-23 13:52:46 -07:00
cpuidle	cpuidle: menu: Retain tick when shallow state is selected	2018-08-25 13:16:08 +02:00
crypto	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2018-08-29 13:38:39 -07:00
dax	libnvdimm-for-4.19_dax-memory-failure	2018-08-25 18:43:59 -07:00
dca
devfreq	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00
dio
dma	Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax	2018-08-26 11:48:42 -07:00
dma-buf
edac	EDAC: Add missing MEM_LRDDR4 entry in edac_mem_types[]	2018-08-17 15:13:34 +02:00
eisa
extcon
firewire	firewire: use 64-bit time_t based interfaces	2018-08-17 16:20:27 -07:00
firmware	fbdev changes for v4.19:	2018-08-23 15:44:58 -07:00
fmc
fpga
fsi	fsi: sbefifo: Bump max command length	2018-08-08 15:44:47 +10:00
gnss
gpio	- New Drivers	2018-08-20 15:38:44 -07:00
gpu	- fix for GLK and CNL watermark workaround	2018-08-30 11:35:03 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2018-08-20 15:59:01 -07:00
hsi
hv
hwmon	hwmon: (nct6775) Fix potential Spectre v1	2018-08-26 17:45:25 -07:00
hwspinlock
hwtracing	drivers/hwtracing/intel_th/msu.c: change return type to vm_fault_t	2018-08-23 18:48:43 -07:00
i2c	i2c: sh_mobile: fix leak when using DMA bounce buffer	2018-08-30 23:13:59 +02:00
ide	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide	2018-08-22 07:40:33 -07:00
idle
iio	treewide: convert ISO_8859-1 text comments to utf-8	2018-08-23 18:48:43 -07:00
infiniband	Second merge window update	2018-08-23 15:34:48 -07:00
input	ARM: 32-bit SoC platform updates	2018-08-23 13:44:43 -07:00
iommu	ARM: SoC: late updates	2018-08-25 14:12:36 -07:00
ipack
irqchip	Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2018-08-26 09:55:28 -07:00
isdn	isdn: Disable IIOCDBGVAR	2018-08-16 12:26:24 -07:00
leds	leds: ns2: Change unsigned to unsigned int	2018-08-06 23:03:12 +02:00
lightnvm
macintosh	macintosh: therm_windtunnel: drop using attach_adapter	2018-08-24 14:42:42 +02:00
mailbox	mailbox: Add support for i.MX messaging unit	2018-08-15 09:53:07 +05:30
mcb
md	libnvdimm-for-4.19_misc	2018-08-25 18:13:10 -07:00
media	Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax	2018-08-26 11:48:42 -07:00
memory	ARM: SoC driver updates	2018-08-23 13:52:46 -07:00
memstick
message
mfd	Merge branch 'i2c/for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux	2018-08-21 17:40:46 -07:00
misc	Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax	2018-08-26 11:48:42 -07:00
mmc	mmc: renesas_sdhi_internal_dmac: mask DMAC interrupts	2018-08-23 10:00:49 +02:00
mtd	mtd: rawnand: denali: do not pass zero maxchips to nand_scan()	2018-08-27 20:41:46 +02:00
mux
net	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2018-08-27 11:59:39 -07:00
nfc
ntb
nubus
nvdimm	libnvdimm-for-4.19_dax-memory-failure	2018-08-25 18:43:59 -07:00
nvme	nvmet: free workqueue object if module init fails	2018-08-28 08:40:44 +02:00
nvmem
of	dma-mapping fixes for 4.19-rc2	2018-09-02 20:09:36 -07:00
opp
oprofile
parisc
parport	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00
pci	Merge branch 'akpm' (patches from Andrew)	2018-08-22 12:34:08 -07:00
pcmcia	pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function	2018-08-18 12:30:42 -07:00
perf	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00
phy
pinctrl	- New Drivers	2018-08-20 15:38:44 -07:00
platform	platform-drivers-x86 for v4.19-1	2018-08-22 14:14:15 -07:00
pnp
power	treewide: convert ISO_8859-1 text comments to utf-8	2018-08-23 18:48:43 -07:00
powercap
pps
ps3
ptp	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00
pwm	pwm: mediatek: Add MT7628 support	2018-08-20 11:36:07 +02:00
rapidio	drivers/rapidio/devices/rio_mport_cdev.c: remove redundant pointer md	2018-08-22 10:52:51 -07:00
ras
regulator	- New Drivers	2018-08-20 15:38:44 -07:00
remoteproc	remoteproc/davinci: use the reset framework	2018-08-16 17:39:55 -07:00
reset	ARM: SoC: late updates	2018-08-25 14:12:36 -07:00
rpmsg
rtc	RTC for 4.19	2018-08-20 16:30:27 -07:00
s390	libnvdimm-for-4.19_misc	2018-08-25 18:13:10 -07:00
sbus
scsi	Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax	2018-08-26 11:48:42 -07:00
sfi
sh
siox
slimbus
sn
soc	ARM: Device-tree updates	2018-08-23 14:02:22 -07:00
soundwire
spi	hwspinlock updates for v4.19	2018-08-18 16:45:27 -07:00
spmi
ssb	ssb: Remove SSB_WARN_ON, SSB_BUG_ON and SSB_DEBUG	2018-08-09 18:47:47 +03:00
staging	ARM: SoC driver updates	2018-08-23 13:52:46 -07:00
target	Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax	2018-08-26 11:48:42 -07:00
tc
tee	ARM: SoC driver updates	2018-08-23 13:52:46 -07:00
thermal	Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal	2018-08-28 16:11:34 -07:00
thunderbolt
tty	powerpc fixes for 4.19 #2	2018-08-24 09:34:23 -07:00
uio	Char/Misc fix for 4.19-rc1	2018-08-19 09:30:44 -07:00
usb	ARM: SoC driver updates	2018-08-23 13:52:46 -07:00
uwb
vfio	powerpc updates for 4.19	2018-08-17 11:32:50 -07:00
vhost	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2018-08-27 11:59:39 -07:00
video	fbdev changes for v4.19:	2018-08-23 15:44:58 -07:00
virt
virtio	virtio, vhost: fixes, tweaks	2018-08-24 08:45:19 -07:00
visorbus
vlynq
vme
w1	power supply and reset changes for the v4.19 series	2018-08-21 18:06:27 -07:00
watchdog	include/linux/compiler*.h: make compiler-*.h mutually exclusive	2018-08-22 17:31:34 -07:00
xen	xen: fixes for 4.19-rc2	2018-08-31 08:45:16 -07:00
zorro
Kconfig
Makefile	Char/Misc driver patches for 4.19-rc1	2018-08-18 11:04:51 -07:00