gtp_check_src_ms_ipv4() did not find the PDP context matching with the
UE IP address because the memory location is not right, but the result
is inverted by the Boolean "not" operator. So whatever is the PDP
context, any call to this function is successful.
Signed-off-by: Lionel Gauthier <Lionel.Gauthier@eurecom.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
if (!pskb_may_pull(skb, hdrlen + sizeof(struct iphdr)))
return false;
- iph = (struct iphdr *)(skb->data + hdrlen + sizeof(struct iphdr));
+ iph = (struct iphdr *)(skb->data + hdrlen);
- return iph->saddr != pctx->ms_addr_ip4.s_addr;
+ return iph->saddr == pctx->ms_addr_ip4.s_addr;
}
/* Check if the inner IP source address in this packet is assigned to any