This is a note to let you know that I've just added the patch titled
io_uring/net: save msg_control for compat
to the 6.13-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
io_uring-net-save-msg_control-for-compat.patch
and it can be found in the queue-6.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9f8f9e3a606823ae83182132b7478c5ebf918aaf
Author: Pavel Begunkov <asml.silence@xxxxxxxxx>
Date: Tue Feb 25 15:59:02 2025 +0000
io_uring/net: save msg_control for compat
[ Upstream commit 6ebf05189dfc6d0d597c99a6448a4d1064439a18 ]
Match the compat part of io_sendmsg_copy_hdr() with its counterpart and
save msg_control.
Fixes: c55978024d123 ("io_uring/net: move receive multishot out of the generic msghdr path")
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
Link: https://lore.kernel.org/r/2a8418821fe83d3b64350ad2b3c0303e9b732bbd.1740498502.git.asml.silence@xxxxxxxxx
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/io_uring/net.c b/io_uring/net.c
index b01bf900e3b94..96af3408792bb 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -334,7 +334,9 @@ static int io_sendmsg_copy_hdr(struct io_kiocb *req,
if (unlikely(ret))
return ret;
- return __get_compat_msghdr(&iomsg->msg, &cmsg, NULL);
+ ret = __get_compat_msghdr(&iomsg->msg, &cmsg, NULL);
+ sr->msg_control = iomsg->msg.msg_control_user;
+ return ret;
}
#endif
