From 8ef2d3040e5cf38f7d64a408038f576b4a5ec987 Mon Sep 17 00:00:00 2001 From: Amy Griffis Date: Thu, 7 Sep 2006 17:03:02 -0400 Subject: [PATCH] sanity check audit_buffer Add sanity checks for NULL audit_buffer consistent with other audit_log* routines. Signed-off-by: Amy Griffis Signed-off-by: Al Viro --- kernel/audit.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/audit.c b/kernel/audit.c index 0a36091e..963fd15 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1028,6 +1028,9 @@ void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf, struct sk_buff *skb; static const unsigned char *hex = "0123456789ABCDEF"; + if (!ab) + return; + BUG_ON(!ab->skb); skb = ab->skb; avail = skb_tailroom(skb); @@ -1060,6 +1063,9 @@ static void audit_log_n_string(struct audit_buffer *ab, size_t slen, unsigned char *ptr; struct sk_buff *skb; + if (!ab) + return; + BUG_ON(!ab->skb); skb = ab->skb; avail = skb_tailroom(skb); -- cgit v1.1