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Commit 8ef2d304 authored by Amy Griffis's avatar Amy Griffis Committed by Al Viro
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[PATCH] sanity check audit_buffer 



Add sanity checks for NULL audit_buffer consistent with other
audit_log* routines.

Signed-off-by: default avatarAmy Griffis <amy.griffis@hp.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 3b33ac31

kernel/audit.c

+6 −0
Original line number Diff line number Diff line
@@ -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);