From: Patrick McHardy Date: Sat, 4 Feb 2006 10:17:55 +0000 (-0800) Subject: [NETFILTER]: Fix ip6t_policy address matching X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=878c41ce5747e1b417bdd92a694c33dc4bd6ec02;p=linux-beck.git [NETFILTER]: Fix ip6t_policy address matching Fix two bugs in ip6t_policy address matching: - misorder arguments to ip6_masked_addrcmp, mask must be the second argument - inversion incorrectly applied to the entire expression instead of just the address comparison Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/net/ipv6/netfilter/ip6t_policy.c b/net/ipv6/netfilter/ip6t_policy.c index 9f38cd0a6489..1d0f48276123 100644 --- a/net/ipv6/netfilter/ip6t_policy.c +++ b/net/ipv6/netfilter/ip6t_policy.c @@ -26,8 +26,9 @@ MODULE_LICENSE("GPL"); static inline int match_xfrm_state(struct xfrm_state *x, const struct ip6t_policy_elem *e) { -#define MATCH_ADDR(x,y,z) (!e->match.x || \ - ((ip6_masked_addrcmp((z), &e->x, &e->y)) == 0) ^ e->invert.x) +#define MATCH_ADDR(x,y,z) (!e->match.x || \ + ((!ip6_masked_addrcmp(&e->x, &e->y, z)) \ + ^ e->invert.x)) #define MATCH(x,y) (!e->match.x || ((e->x == (y)) ^ e->invert.x)) return MATCH_ADDR(saddr, smask, (struct in6_addr *)&x->props.saddr.a6) &&