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io_uring/net: don't overflow multishot accept

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[ upstream commit 1bfed23349716a7811645336a7ce42c4b8f250bc ]

Don't allow overflowing multishot accept CQEs, we want to limit
the grows of the overflow list.

Cc: stable@vger.kernel.org
Fixes: 4e86a2c980 ("io_uring: implement multishot mode for accept")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7d0d749649244873772623dd7747966f516fe6e2.1691757663.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavel Begunkov 2023-09-12 14:57:05 +01:00 committed by Greg Kroah-Hartman
parent 5afbf7fdb7
commit b04f22b686
1 changed files with 1 additions and 1 deletions
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2
io_uring/net.c
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@ -1339,7 +1339,7 @@ int io_accept(struct io_kiocb *req, unsigned int issue_flags)
if (ret < 0)
return ret;
if (io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, true))
if (io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, false))
goto retry;
return -ECANCELED;