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| author | Ming Lei <ming.lei@redhat.com> | 2024-12-18 18:16:15 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-12-18 07:25:37 -0700 |
| commit | 85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b (patch) | |
| tree | 1ad8b6bcdd0acfe1750059bee78237c87b5a8114 /drivers | |
| parent | 224749be6c23efe7fb8a030854f4fc5d1dd813b3 (diff) | |
| download | lwn-85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b.tar.gz lwn-85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b.zip | |
block: avoid to reuse `hctx` not removed from cpuhp callback list
If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it,
otherwise use-after-free may be triggered.
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202412172217.b906db7c-lkp@intel.com
Tested-by: kernel test robot <oliver.sang@intel.com>
Fixes: 22465bbac53c ("blk-mq: move cpuhp callback registering out of q->sysfs_lock")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241218101617.3275704-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions