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authorDavid S. Miller <davem@davemloft.net>2011-12-26 23:41:55 +0400
committerDavid S. Miller <davem@davemloft.net>2011-12-26 23:41:55 +0400
commite09e9d189bc2d31dc365a3d846a09086317350b6 (patch)
treef0ef78c8b75cde8210ee5832d8b4c82c466c46f1 /net/unix/diag.c
parent3b0723c12e825e26aa5fc0c6970108425824b51d (diff)
downloadlinux-e09e9d189bc2d31dc365a3d846a09086317350b6.tar.xz
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>
Diffstat (limited to 'net/unix/diag.c')
-rw-r--r--net/unix/diag.c3
1 files changed, 1 insertions, 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);