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(parent: 1bfed23) | patch
io_uring/net: don't overflow multishot recv
authorPavel Begunkov <asml.silence@gmail.com>
Fri, 11 Aug 2023 12:53:42 +0000 (13:53 +0100)
committerJens Axboe <axboe@kernel.dk>
Fri, 11 Aug 2023 16:42:51 +0000 (10:42 -0600)
commitb2e74db55dd93d6db22a813c9a775b5dbf87c560
treee50b6dcee77bdd3cfeea3e97edcddfe9896a7948tree | snapshot
parent1bfed23349716a7811645336a7ce42c4b8f250bccommit | diff
io_uring/net: don't overflow multishot recv

Don't allow overflowing multishot recv CQEs, it might get out of
hand, hurt performance, and in the worst case scenario OOM the task.

Cc: stable@vger.kernel.org
Fixes: b3fdea6ecb55c ("io_uring: multishot recv")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0b295634e8f1b71aa764c984608c22d85f88f75c.1691757663.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/net.c diff | blob | history
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