From: Guoqing Jiang guoqing.jiang@linux.dev
stable inclusion from stable-v5.10.140 commit a5a58fab556bfe618b4c9719eb85712d78c6cb10 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I63FTT
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 0dd84b319352bb8ba64752d4e45396d8b13e6018 upstream.
From the link [1], we can see raid1d was running even after the path raid_dtr -> md_stop -> __md_stop.
Let's stop write first in destructor to align with normal md-raid to fix the KASAN issue.
[1]. https://lore.kernel.org/linux-raid/CAPhsuW5gc4AakdGNdF8ubpezAuDLFOYUO_sfMZce...
Fixes: 48df498daf62 ("md: move bitmap_destroy to the beginning of __md_stop") Reported-by: Mikulas Patocka mpatocka@redhat.com Signed-off-by: Guoqing Jiang guoqing.jiang@linux.dev Signed-off-by: Song Liu song@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- drivers/md/md.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/md/md.c b/drivers/md/md.c index 9e6989c05314..8658e3df3b24 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6299,6 +6299,7 @@ void md_stop(struct mddev *mddev) /* stop the array and free an attached data structures. * This is called from dm-raid */ + __md_stop_writes(mddev); __md_stop(mddev); bioset_exit(&mddev->bio_set); bioset_exit(&mddev->sync_set);