Jiang Li 22be44212c md/raid1: stop mdx_raid1 thread when raid1 array run failed ... [ Upstream commit b611ad1400 ] fail run raid1 array when we assemble array with the inactive disk only, but the mdx_raid1 thread were not stop, Even if the associated resources have been released. it will caused a NULL dereference when we do poweroff. This causes the following Oops: [ 287.587787] BUG: kernel NULL pointer dereference, address: 0000000000000070 [ 287.594762] #PF: supervisor read access in kernel mode [ 287.599912] #PF: error_code(0x0000) - not-present page [ 287.605061] PGD 0 P4D 0 [ 287.607612] Oops: 0000 [#1] SMP NOPTI [ 287.611287] CPU: 3 PID: 5265 Comm: md0_raid1 Tainted: G U 5.10.146 #0 [ 287.619029] Hardware name: xxxxxxx/To be filled by O.E.M, BIOS 5.19 06/16/2022 [ 287.626775] RIP: 0010:md_check_recovery+0x57/0x500 [md_mod] [ 287.632357] Code: fe 01 00 00 48 83 bb 10 03 00 00 00 74 08 48 89 ...... [ 287.651118] RSP: 0018:ffffc90000433d78 EFLAGS: 00010202 [ 287.656347] RAX: 0000000000000000 RBX: ffff888105986800 RCX: 0000000000000000 [ 287.663491] RDX: ffffc90000433bb0 RSI: 00000000ffffefff RDI: ffff888105986800 [ 287.670634] RBP: ffffc90000433da0 R08: 0000000000000000 R09: c0000000ffffefff [ 287.677771] R10: 0000000000000001 R11: ffffc90000433ba8 R12: ffff888105986800 [ 287.684907] R13: 0000000000000000 R14: fffffffffffffe00 R15: ffff888100b6b500 [ 287.692052] FS: 0000000000000000(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000 [ 287.700149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.705897] CR2: 0000000000000070 CR3: 000000000320a000 CR4: 0000000000350ee0 [ 287.713033] Call Trace: [ 287.715498] raid1d+0x6c/0xbbb [raid1] [ 287.719256] ? __schedule+0x1ff/0x760 [ 287.722930] ? schedule+0x3b/0xb0 [ 287.726260] ? schedule_timeout+0x1ed/0x290 [ 287.730456] ? __switch_to+0x11f/0x400 [ 287.734219] md_thread+0xe9/0x140 [md_mod] [ 287.738328] ? md_thread+0xe9/0x140 [md_mod] [ 287.742601] ? wait_woken+0x80/0x80 [ 287.746097] ? md_register_thread+0xe0/0xe0 [md_mod] [ 287.751064] kthread+0x11a/0x140 [ 287.754300] ? kthread_park+0x90/0x90 [ 287.757974] ret_from_fork+0x1f/0x30 In fact, when raid1 array run fail, we need to do md_unregister_thread() before raid1_free(). Signed-off-by: Jiang Li <jiang.li@ugreen.com> Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-12-31 13:26:44 +01:00
..
bcache	bcache: fix set_at_max_writeback_rate() for multiple attached devices	2022-10-21 12:39:22 +02:00
persistent-data
dm-audit.c
dm-audit.h
dm-bio-prison-v1.c
dm-bio-prison-v1.h
dm-bio-prison-v2.c
dm-bio-prison-v2.h
dm-bio-record.h
dm-bufio.c	dm bufio: Fix missing decrement of no_sleep_enabled if dm_bufio_client_create failed	2022-11-26 09:27:48 +01:00
dm-builtin.c
dm-cache-background-tracker.c
dm-cache-background-tracker.h
dm-cache-block-types.h
dm-cache-metadata.c
dm-cache-metadata.h
dm-cache-policy-internal.h
dm-cache-policy-smq.c
dm-cache-policy.c
dm-cache-policy.h
dm-cache-target.c
dm-clone-metadata.c
dm-clone-metadata.h
dm-clone-target.c	dm clone: Fix typo in block_device format specifier	2022-10-26 12:22:57 +02:00
dm-core.h
dm-crypt.c	dm-crypt: provide dma_alignment limit in io_hints	2022-11-26 09:27:40 +01:00
dm-delay.c
dm-dust.c
dm-ebs-target.c	- Add flags argument to dm_bufio_client_create and introduce	2022-08-06 11:09:55 -07:00
dm-era-target.c
dm-exception-store.c
dm-exception-store.h
dm-flakey.c
dm-ima.c
dm-ima.h
dm-init.c
dm-integrity.c	dm integrity: clear the journal on suspend	2022-12-02 17:43:16 +01:00
dm-io-rewind.c
dm-io-tracker.h
dm-io.c
dm-ioctl.c	dm ioctl: fix misbehavior if list_versions races with module loading	2022-11-26 09:27:48 +01:00
dm-kcopyd.c
dm-linear.c
dm-log-userspace-base.c
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c	dm-log-writes: set dma_alignment limit in io_hints	2022-12-02 17:43:16 +01:00
dm-log.c
dm-mpath.c
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-ps-historical-service-time.c
dm-ps-io-affinity.c
dm-ps-queue-length.c
dm-ps-round-robin.c
dm-ps-service-time.c
dm-raid.c
dm-raid1.c
dm-region-hash.c
dm-rq.c
dm-rq.h
dm-snap-persistent.c	- Add flags argument to dm_bufio_client_create and introduce	2022-08-06 11:09:55 -07:00
dm-snap-transient.c
dm-snap.c
dm-stats.c
dm-stats.h
dm-stripe.c
dm-switch.c
dm-sysfs.c
dm-table.c
dm-target.c
dm-thin-metadata.c
dm-thin-metadata.h
dm-thin.c
dm-uevent.c
dm-uevent.h
dm-unstripe.c
dm-verity-fec.c
dm-verity-fec.h
dm-verity-loadpin.c	dm: verity-loadpin: Only trust verity targets with enforcement	2022-10-21 12:37:40 +02:00
dm-verity-target.c	dm: verity-loadpin: Only trust verity targets with enforcement	2022-10-21 12:37:40 +02:00
dm-verity-verify-sig.c
dm-verity-verify-sig.h
dm-verity.h	dm: verity-loadpin: Only trust verity targets with enforcement	2022-10-21 12:37:40 +02:00
dm-writecache.c	- A few fixes for the DM verity and bufio changes from the 6.0 merge.	2022-08-11 19:46:48 -07:00
dm-zero.c
dm-zone.c
dm-zoned-metadata.c
dm-zoned-reclaim.c
dm-zoned-target.c
dm-zoned.h
dm.c	dm: track per-add_disk holder relations in DM	2022-12-31 13:25:59 +01:00
dm.h
Kconfig
Makefile
md-autodetect.c
md-bitmap.c	drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()	2022-12-31 13:26:44 +01:00
md-bitmap.h
md-cluster.c
md-cluster.h
md-faulty.c
md-linear.c
md-linear.h
md-multipath.c
md-multipath.h
md.c	md: Remove extra mddev_get() in md_seq_start()	2022-10-21 12:38:48 +02:00
md.h
raid0.c	md/raid0, raid10: Don't set discard sectors for request queue	2022-12-31 13:26:44 +01:00
raid0.h
raid1-10.c
raid1.c	md/raid1: stop mdx_raid1 thread when raid1 array run failed	2022-12-31 13:26:44 +01:00
raid1.h
raid5-cache.c
raid5-log.h
raid5-ppl.c
raid5.c	md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d	2022-10-21 12:39:23 +02:00
raid5.h
raid10.c	md/raid0, raid10: Don't set discard sectors for request queue	2022-12-31 13:26:44 +01:00
raid10.h