6.1-stable review patch. If anyone has any objections, please let me know.
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From: Pavel Begunkov asml.silence@gmail.com
[ 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: 4e86a2c980137 ("io_uring: implement multishot mode for accept") Signed-off-by: Pavel Begunkov asml.silence@gmail.com Link: https://lore.kernel.org/r/7d0d749649244873772623dd7747966f516fe6e2.169175766... Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- io_uring/net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/io_uring/net.c +++ b/io_uring/net.c @@ -1339,7 +1339,7 @@ retry:
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;