Song Liu b44c018cdf md/raid5: fix oops during stripe resizing ... KoWei reported crash during raid5 reshape: [ 1032.252932] Oops: 0002 [#1] SMP PTI [...] [ 1032.252943] RIP: 0010:memcpy_erms+0x6/0x10 [...] [ 1032.252947] RSP: 0018:ffffba1ac0c03b78 EFLAGS: 00010286 [ 1032.252949] RAX: 0000784ac0000000 RBX: ffff91bec3d09740 RCX: 0000000000001000 [ 1032.252951] RDX: 0000000000001000 RSI: ffff91be6781c000 RDI: 0000784ac0000000 [ 1032.252953] RBP: ffffba1ac0c03bd8 R08: 0000000000001000 R09: ffffba1ac0c03bf8 [ 1032.252954] R10: 0000000000000000 R11: 0000000000000000 R12: ffffba1ac0c03bf8 [ 1032.252955] R13: 0000000000001000 R14: 0000000000000000 R15: 0000000000000000 [ 1032.252958] FS: 0000000000000000(0000) GS:ffff91becf500000(0000) knlGS:0000000000000000 [ 1032.252959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1032.252961] CR2: 0000784ac0000000 CR3: 000000031780a002 CR4: 00000000001606e0 [ 1032.252962] Call Trace: [ 1032.252969] ? async_memcpy+0x179/0x1000 [async_memcpy] [ 1032.252977] ? raid5_release_stripe+0x8e/0x110 [raid456] [ 1032.252982] handle_stripe_expansion+0x15a/0x1f0 [raid456] [ 1032.252988] handle_stripe+0x592/0x1270 [raid456] [ 1032.252993] handle_active_stripes.isra.0+0x3cb/0x5a0 [raid456] [ 1032.252999] raid5d+0x35c/0x550 [raid456] [ 1032.253002] ? schedule+0x42/0xb0 [ 1032.253006] ? schedule_timeout+0x10e/0x160 [ 1032.253011] md_thread+0x97/0x160 [ 1032.253015] ? wait_woken+0x80/0x80 [ 1032.253019] kthread+0x104/0x140 [ 1032.253022] ? md_start_sync+0x60/0x60 [ 1032.253024] ? kthread_park+0x90/0x90 [ 1032.253027] ret_from_fork+0x35/0x40 This is because cache_size_mutex was unlocked too early in resize_stripes, which races with grow_one_stripe() that grow_one_stripe() allocates a stripe with wrong pool_size. Fix this issue by unlocking cache_size_mutex after updating pool_size. Cc: <stable@vger.kernel.org> # v4.4+ Reported-by: KoWei Sung <winders@amazon.com> Signed-off-by: Song Liu <songliubraving@fb.com>		2020-10-08 22:38:10 -07:00
..
accessibility	Char/Misc driver fixes for 5.9-rc3	2020-08-26 10:50:50 -07:00
acpi	ACPI: processor: Take over RCU-idle for C3-BM idle	2020-09-16 19:36:26 +02:00
amba
android	drivers: android: Fix the SPDX comment style	2020-07-29 17:05:44 +02:00
ata	libata-5.9-2020-09-04	2020-09-04 13:19:19 -07:00
atm	atm: eni: fix the missed pci_disable_device() for eni_init_one()	2020-09-04 21:42:57 -07:00
auxdisplay	A trivial patch for auxdisplay:	2020-09-05 14:22:46 -07:00
base	Driver core fixes for 5.9-rc5	2020-09-13 09:02:59 -07:00
bcma	bcma: gpio: Use irqchip template	2020-08-02 18:26:51 +03:00
block	rsxx: Use fallthrough pseudo-keyword	2020-10-02 17:54:45 -06:00
bluetooth	Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next	2020-07-31 15:11:52 -07:00
bus	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
cdrom	gdrom: use bdev_check_media_change	2020-09-10 09:32:31 -06:00
char	raw: don't keep unopened block device around	2020-09-23 10:43:19 -06:00
clk	clk: qcom: lpass: Correct goto target in lpass_core_sc7180_probe()	2020-09-10 13:42:35 -07:00
clocksource	RISC-V Fixes for 5.9-rc6 (or shortly after)	2020-09-20 10:51:11 -07:00
connector
counter	counter: microchip-tcb-capture: check the correct variable	2020-08-22 11:38:42 +01:00
cpufreq	cpufreq: intel_pstate: Fix intel_pstate_get_hwp_max() for turbo disabled	2020-09-01 21:15:00 +02:00
cpuidle	powerpc fixes for 5.9 #5	2020-09-18 11:48:25 -07:00
crypto	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2020-08-30 15:53:44 -07:00
dax	dax: Fix stack overflow when mounting fsdax pmem device	2020-09-20 08:57:36 -07:00
dca
devfreq	PM / devfreq: Fix the wrong end with semicolon	2020-07-30 17:22:58 +09:00
dio
dma	dmaengine fixes for v5.9-rc4	2020-09-04 12:12:39 -07:00
dma-buf	dma-buf: fence-chain: Document missing dma_fence_chain_init() parameter in kerneldoc	2020-09-03 17:47:02 +05:30
edac	EDAC/ghes: Check whether the driver is on the safe list correctly	2020-09-15 09:42:15 +02:00
eisa
extcon
firewire	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
firmware	Single EFI fix for v5.9-rc:	2020-09-20 15:18:11 -07:00
fpga
fsi
gnss
gpio	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
gpu	Mediatek DRM Fixes for Linux 5.9	2020-09-18 08:52:06 +10:00
greybus	greybus: Use fallthrough pseudo-keyword	2020-07-29 16:58:08 +02:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid	2020-09-02 12:55:46 -07:00
hsi	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
hv	hyperv-fixes for 5.9-rc6	2020-09-15 16:20:43 -07:00
hwmon	hwmon fixes for v5.9-rc3	2020-08-29 12:37:00 -07:00
hwspinlock
hwtracing	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
i2c	i2c: mxs: use MXS_DMA_CTRL_WAIT4END instead of DMA_CTRL_ACK	2020-09-18 23:11:44 +02:00
i3c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
ide	block: move the NEED_PART_SCAN flag to struct gendisk	2020-09-23 10:43:18 -06:00
idle	cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic	2020-08-26 12:41:53 +02:00
iio	Staging / IIO driver fixes for 5.9-rc5	2020-09-13 09:15:20 -07:00
infiniband	RDMA second 5.9-rc pull request	2020-09-11 10:02:36 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2020-09-20 10:40:43 -07:00
interconnect	interconnect: qcom: Fix small BW votes being truncated to zero	2020-09-04 00:07:12 +03:00
iommu	iommu/amd: Restore IRTE.RemapEn bit for amd_iommu_activate_guest_mode	2020-09-18 11:17:19 +02:00
ipack
irqchip	A set of fixes for interrupt chip drivers:	2020-08-30 11:56:54 -07:00
isdn	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
leds	LEDs changes for 5.9-rc1.	2020-08-05 19:24:27 -07:00
lightnvm	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
macintosh	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
mailbox	iomap: constify ioreadX() iomem argument (as in generic implementation)	2020-08-14 19:56:57 -07:00
mcb
md	md/raid5: fix oops during stripe resizing	2020-10-08 22:38:10 -07:00
media	media fixes for v5.9-rc4	2020-09-03 08:22:16 -07:00
memory	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
memstick	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
message	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
mfd	- Bug Fixes	2020-08-28 10:15:33 -07:00
misc	Char / Misc driver fixes for 5.9-rc5	2020-09-13 08:52:21 -07:00
mmc	Merge branch 'for-5.10/block' into for-5.10/drivers	2020-09-24 13:44:39 -06:00
most	drivers: most: add USB adapter driver	2020-07-31 14:38:12 +02:00
mtd	Merge branch 'for-5.10/block' into for-5.10/drivers	2020-09-24 13:44:39 -06:00
mux	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
net	net: mscc: ocelot: fix some key offsets for IP4_TCP_UDP VCAP IS2 entries	2020-09-21 17:40:52 -07:00
nfc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-09-03 18:50:48 -07:00
ntb	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
nubus
nvdimm	bdi: remove BDI_CAP_SYNCHRONOUS_IO	2020-09-24 13:43:39 -06:00
nvme	nvme-core: remove extra condition for vwc	2020-10-07 07:56:20 +02:00
nvmem	nvmem: qcom-spmi-sdam: Enable multiple devices	2020-07-29 17:12:09 +02:00
of	of: address: Work around missing device_type property in pcie nodes	2020-08-19 16:30:57 -06:00
opp	Merge branch 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm	2020-09-01 19:44:20 +02:00
oprofile
parisc	Merge branch 'parisc-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux	2020-08-12 12:41:15 -07:00
parport	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
pci	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
pcmcia	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
perf	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
phy	phy: fixes for 5.9	2020-09-04 12:41:55 +02:00
pinctrl	This is the bulk of the pin control changes for the v5.9	2020-08-09 12:52:28 -07:00
platform	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
pnp
power	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
powercap	powercap: RAPL: Add support for Lakefield	2020-09-16 14:16:04 +02:00
pps
ps3	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
ptp	ptp: ptp_clockmatrix: use i2c_master_send for i2c write	2020-08-19 16:23:22 -07:00
pwm	pwm: Changes for v5.9-rc1	2020-08-14 16:00:09 -07:00
rapidio	rapidio: Replace 'select' DMAENGINES 'with depends on'	2020-09-05 19:52:54 +03:00
ras
regulator	regulator: Fixes for v5.9	2020-09-11 11:25:55 -07:00
remoteproc	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
reset	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
rpmsg	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
rtc	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
s390	Merge branch 'for-5.10/block' into for-5.10/drivers	2020-09-24 13:44:39 -06:00
sbus
scsi	scsi: megaraid_sas: Added support for shared host tagset for cpuhotplug	2020-10-06 08:33:44 -06:00
sfi
sh	iomap: constify ioreadX() iomem argument (as in generic implementation)	2020-08-14 19:56:57 -07:00
siox
slimbus
soc	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
soundwire	soundwire: fix double free of dangling pointer	2020-09-03 14:10:19 +05:30
spi	spi: Fixes for v5.9	2020-09-11 11:35:55 -07:00
spmi
ssb	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
staging	Staging / IIO driver fixes for 5.9-rc5	2020-09-13 09:15:20 -07:00
target	SCSI fixes on 20200908	2020-09-08 11:42:58 -07:00
tc
tee
thermal	- Fix bogus thermal shutdowns for omap4430 where bogus values	2020-09-04 12:49:03 -07:00
thunderbolt	thunderbolt: Fix for v5.9-rc6	2020-09-15 13:52:14 +02:00
tty	serial: 8250_pci: Add Realtek 816a and 816b	2020-09-16 13:23:33 +02:00
uio
usb	usblp: fix race between disconnect() and read()	2020-09-17 18:45:30 +02:00
vdpa	vdpa/mlx5: Avoid warnings about shifts on 32-bit platforms	2020-08-26 08:13:59 -04:00
vfio	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
vhost	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-09-03 18:50:48 -07:00
video	TTY/Serial/fbcon fixes for 5.9-rc6	2020-09-20 10:46:26 -07:00
virt
virtio	virtio: pci: constify ioreadX() iomem argument (as in generic implementation)	2020-08-14 19:56:57 -07:00
visorbus
vlynq
vme
w1
watchdog	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
xen	xen: branch for v5.9-rc4	2020-09-06 09:59:27 -07:00
zorro
Kconfig
Makefile