Commit 6865d1e8 authored by Mathias Krause's avatar Mathias Krause Committed by David S. Miller

unix_diag: fix info leak

When filling the netlink message we miss to wipe the pad field,
therefore leak one byte of heap memory to userland. Fix this by
setting pad to 0.
Signed-off-by: default avatarMathias Krause <minipli@googlemail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d022af27
...@@ -124,6 +124,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r ...@@ -124,6 +124,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
rep->udiag_family = AF_UNIX; rep->udiag_family = AF_UNIX;
rep->udiag_type = sk->sk_type; rep->udiag_type = sk->sk_type;
rep->udiag_state = sk->sk_state; rep->udiag_state = sk->sk_state;
rep->pad = 0;
rep->udiag_ino = sk_ino; rep->udiag_ino = sk_ino;
sock_diag_save_cookie(sk, rep->udiag_cookie); sock_diag_save_cookie(sk, rep->udiag_cookie);
......
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