tag | 5236734553945626c5693e55a6ec862856b8242c | |
---|---|---|
tagger | Jens Axboe <axboe@kernel.dk> | Sat May 22 11:18:58 2021 -0600 |
object | ba5ef6dc8a827a904794210a227cdb94828e8ae7 |
io_uring-5.13-2021-05-22
commit | ba5ef6dc8a827a904794210a227cdb94828e8ae7 | [log] [tgz] |
---|---|---|
author | Pavel Begunkov <asml.silence@gmail.com> | Thu May 20 13:21:20 2021 +0100 |
committer | Jens Axboe <axboe@kernel.dk> | Thu May 20 07:29:11 2021 -0600 |
tree | 1c985bd07f6c61cfe7be947fe2325dd6f880a40a | |
parent | 7a274727702cc07d27cdebd36d1d5132abeea12f [diff] |
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>