6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pavel Begunkov <asml.silence@xxxxxxxxx>
[ 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>
---
io_uring/net.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/io_uring/net.c b/io_uring/net.c
index 3974c417fe264..f32311f641133 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
--
2.39.5
