This is a note to let you know that I've just added the patch titled af_unix: call proto_unregister() in the error path in af_unix_init() to the 5.15-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: af_unix-call-proto_unregister-in-the-error-path-in-a.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit cfb9104394f5d2525237d90b2c7a37aad83af3d0 Author: Yang Yingliang <yangyingliang@xxxxxxxxxx> Date: Thu Dec 8 23:01:58 2022 +0800 af_unix: call proto_unregister() in the error path in af_unix_init() [ Upstream commit 73e341e0281a35274629e9be27eae2f9b1b492bf ] If register unix_stream_proto returns error, unix_dgram_proto needs be unregistered. Fixes: 94531cfcbe79 ("af_unix: Add unix_stream_proto for sockmap") Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx> Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index a579e28bd213..545823c1d5ed 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -3401,6 +3401,7 @@ static int __init af_unix_init(void) rc = proto_register(&unix_stream_proto, 1); if (rc != 0) { pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__); + proto_unregister(&unix_dgram_proto); goto out; }