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author | Pavel Begunkov <asml.silence@gmail.com> | 2021-05-20 13:21:20 +0100 |
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committer | Jens Axboe <axboe@kernel.dk> | 2021-05-20 07:29:11 -0600 |
commit | ba5ef6dc8a827a904794210a227cdb94828e8ae7 (patch) | |
tree | 1c985bd07f6c61cfe7be947fe2325dd6f880a40a /fs/io-wq.h | |
parent | 7a274727702cc07d27cdebd36d1d5132abeea12f (diff) | |
download | linux-stable-ba5ef6dc8a827a904794210a227cdb94828e8ae7.tar.gz linux-stable-ba5ef6dc8a827a904794210a227cdb94828e8ae7.tar.bz2 linux-stable-ba5ef6dc8a827a904794210a227cdb94828e8ae7.zip |
io_uring: fortify tctx/io_wq cleanup
We don't want anyone poking into tctx->io_wq awhile it's being destroyed
by io_wq_put_and_exit(), and even though it shouldn't even happen, if
buggy would be preferable to get a NULL-deref instead of subtle delayed
failure or UAF.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/827b021de17926fd807610b3e53a5a5fa8530856.1621513214.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io-wq.h')
0 files changed, 0 insertions, 0 deletions