netfilter: xtables: fix mangle tables
In POST_ROUTING hook, calling dev_net(in) is going to oops. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
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@ -87,7 +87,9 @@ iptable_mangle_hook(unsigned int hook,
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{
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if (hook == NF_INET_LOCAL_OUT)
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return ipt_local_hook(hook, skb, in, out, okfn);
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if (hook == NF_INET_POST_ROUTING)
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return ipt_do_table(skb, hook, in, out,
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dev_net(out)->ipv4.iptable_mangle);
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/* PREROUTING/INPUT/FORWARD: */
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return ipt_do_table(skb, hook, in, out,
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dev_net(in)->ipv4.iptable_mangle);
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@ -81,7 +81,9 @@ ip6table_mangle_hook(unsigned int hook, struct sk_buff *skb,
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{
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if (hook == NF_INET_LOCAL_OUT)
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return ip6t_local_out_hook(hook, skb, out, okfn);
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if (hook == NF_INET_POST_ROUTING)
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return ip6t_do_table(skb, hook, in, out,
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dev_net(out)->ipv6.ip6table_mangle);
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/* INPUT/FORWARD */
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return ip6t_do_table(skb, hook, in, out,
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dev_net(in)->ipv6.ip6table_mangle);
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