io_uring: fix no lock protection for ctx->cq_extra

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ctx->cq_extra should be protected by completion lock so that the
req_need_defer() does the right check.

Cc: stable@vger.kernel.org
Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20211125092103.224502-2-haoxu@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Hao Xu 2021-11-25 17:21:02 +08:00 • committed by Jens Axboe

parent 5562a8d71a

commit e302f1046f

1 changed files with 3 additions and 0 deletions

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fs/io_uring.c

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