Commit 9dc0564e authored by Patrick McHardy's avatar Patrick McHardy Committed by Herbert Xu
Browse files

[NETFILTER]: xt_TCPMSS: remove network triggerable WARN_ON 



ipv6_skip_exthdr() returns -1 for invalid packets. don't WARN_ON
that.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 3ccd8624

net/netfilter/xt_TCPMSS.c

+1 −3
Original line number Diff line number Diff line
@@ -174,10 +174,8 @@ xt_tcpmss_target6(struct sk_buff *skb, 


	nexthdr = ipv6h->nexthdr;

	tcphoff = ipv6_skip_exthdr(skb, sizeof(*ipv6h), &nexthdr);

	if (tcphoff < 0) {

		WARN_ON(1);

	if (tcphoff < 0)

		return NF_DROP;

	}

	ret = tcpmss_mangle_packet(skb, targinfo, tcphoff,

				   sizeof(*ipv6h) + sizeof(struct tcphdr));

	if (ret < 0)

CRA Git | Maintained and supported by SUSTech CRA and CCSE