From e09e9d189bc2d31dc365a3d846a09086317350b6 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 26 Dec 2011 14:41:55 -0500
Subject: [PATCH] unix: If we happen to find peer NULL when diag dumping, write
 zero.

Otherwise we leave uninitialized kernel memory in there.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/unix/diag.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/unix/diag.c b/net/unix/diag.c
index 39e44c98176a..c5bdbcb1c30b 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -86,8 +86,7 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb)
 			 */
 			unix_state_lock_nested(req);
 			peer = unix_sk(req)->peer;
-			if (peer)
-				buf[i++] = sock_i_ino(peer);
+			buf[i++] = (peer ? sock_i_ino(peer) : 0);
 			unix_state_unlock(req);
 		}
 		spin_unlock(&sk->sk_receive_queue.lock);
-- 
GitLab