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[NETFILTER]: Fix check whether dst_entry needs to be released after NAT
After DNAT the original dst_entry needs to be released if present so the packet doesn't skip input routing with its new address. The current check for DNAT in ip_nat_in is reversed and checks for SNAT. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 2 deletions
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@ -209,8 +209,8 @@ ip_nat_in(unsigned int hooknum,
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&& (ct = ip_conntrack_get(*pskb, &ctinfo)) != NULL) {
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enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
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if (ct->tuplehash[dir].tuple.src.ip !=
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ct->tuplehash[!dir].tuple.dst.ip) {
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if (ct->tuplehash[dir].tuple.dst.ip !=
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ct->tuplehash[!dir].tuple.src.ip) {
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dst_release((*pskb)->dst);
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(*pskb)->dst = NULL;
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}
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