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netfilter: use consistent ipv4 network offset in xt_AUDIT 

Even though the skb->data pointer has been moved from the link layer
header to the network layer header, use the same method to calculate the
offset in ipv4 and ipv6 routines.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: munged subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>
zero-colors
Richard Guy Briggs 2017-05-02 10:16:04 -04:00 committed by Paul Moore
parent f6276ac95b
commit 0cb88b6ff0
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/xt_AUDIT.c
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@ -76,7 +76,7 @@ static void audit_ip4(struct audit_buffer *ab, struct sk_buff *skb)
struct iphdr _iph;
const struct iphdr *ih;
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
ih = skb_header_pointer(skb, skb_network_offset(skb), sizeof(_iph), &_iph);
if (!ih) {
audit_log_format(ab, " truncated=1");
return;