[NETFILTER]: xt_pkttype: Add explicit check for IPv4 In the PACKET_LOOPBACK case, the skb data was always interpreted as IPv4, but that is not valid for IPv6, obviously. Fix this by adding an extra condition to check for AF_INET. Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx> --- commit 65196922f6f712071d1d559406348c5ba9c9810c tree eead1feb27c9cdeeb316638e9ddb48d4f775e6b6 parent 72c54af2cbc724b17aa0b4e58718311dd70617df author Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> Mon, 14 Jan 2008 06:51:35 +0100 committer Patrick McHardy <kaber@xxxxxxxxx> Tue, 15 Jan 2008 06:53:17 +0100 net/netfilter/xt_pkttype.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/net/netfilter/xt_pkttype.c b/net/netfilter/xt_pkttype.c index 2762449..080f324 100644 --- a/net/netfilter/xt_pkttype.c +++ b/net/netfilter/xt_pkttype.c @@ -31,7 +31,8 @@ pkttype_mt(const struct sk_buff *skb, const struct net_device *in, const struct xt_pkttype_info *info = matchinfo; if (skb->pkt_type == PACKET_LOOPBACK) - type = ipv4_is_multicast(ip_hdr(skb)->daddr) + type = match->family == AF_INET && + ipv4_is_multicast(ip_hdr(skb)->daddr) ? PACKET_MULTICAST : PACKET_BROADCAST; else - To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
