FAILED: patch "[PATCH] io_uring/net: don't overflow multishot accept" failed to apply to 6.4-stable tree

FAILED: patch "[PATCH] io_uring/net: don't overflow multishot accept" failed to apply to 6.4-stable tree

[gregkh]

The patch below does not apply to the 6.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.4.y
git checkout FETCH_HEAD
git cherry-pick -x 1bfed23349716a7811645336a7ce42c4b8f250bc
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2023090925-saline-prorate-1854@gregkh' --subject-prefix 'PATCH 6.4.y' HEAD^..

Possible dependencies:

1bfed2334971 ("io_uring/net: don't overflow multishot accept")
d86eaed185e9 ("io_uring: cleanup io_aux_cqe() API")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 1bfed23349716a7811645336a7ce42c4b8f250bc Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri, 11 Aug 2023 13:53:41 +0100
Subject: [PATCH] io_uring/net: don't overflow multishot accept

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/7d0d749649244873772623dd7747966f516fe6e2.1691757663.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/net.c b/io_uring/net.c
index eb1f51ddcb23..1599493544a5 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1367,7 +1367,7 @@ int io_accept(struct io_kiocb *req, unsigned int issue_flags)
 	if (ret < 0)
 		return ret;
 	if (io_aux_cqe(req, issue_flags & IO_URING_F_COMPLETE_DEFER, ret,
-		       IORING_CQE_F_MORE, true))
+		       IORING_CQE_F_MORE, false))
 		goto retry;
 
 	return -ECANCELED;