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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>
This commit is contained in:
Alexey Dobriyan 2010-02-11 18:41:35 +01:00 committed by Patrick McHardy
parent 9d288dffe3
commit b2907e5019
2 changed files with 6 additions and 2 deletions
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4
net/ipv4/netfilter/iptable_mangle.c
View File

@ -87,7 +87,9 @@ iptable_mangle_hook(unsigned int hook,
{ {
if (hook == NF_INET_LOCAL_OUT) if (hook == NF_INET_LOCAL_OUT)
return ipt_local_hook(hook, skb, in, out, okfn); return ipt_local_hook(hook, skb, in, out, okfn);
if (hook == NF_INET_POST_ROUTING)
return ipt_do_table(skb, hook, in, out,
dev_net(out)->ipv4.iptable_mangle);
/* PREROUTING/INPUT/FORWARD: */ /* PREROUTING/INPUT/FORWARD: */
return ipt_do_table(skb, hook, in, out, return ipt_do_table(skb, hook, in, out,
dev_net(in)->ipv4.iptable_mangle); dev_net(in)->ipv4.iptable_mangle);

4
net/ipv6/netfilter/ip6table_mangle.c
View File

@ -81,7 +81,9 @@ ip6table_mangle_hook(unsigned int hook, struct sk_buff *skb,
{ {
if (hook == NF_INET_LOCAL_OUT) if (hook == NF_INET_LOCAL_OUT)
return ip6t_local_out_hook(hook, skb, out, okfn); return ip6t_local_out_hook(hook, skb, out, okfn);
if (hook == NF_INET_POST_ROUTING)
return ip6t_do_table(skb, hook, in, out,
dev_net(out)->ipv6.ip6table_mangle);
/* INPUT/FORWARD */ /* INPUT/FORWARD */
return ip6t_do_table(skb, hook, in, out, return ip6t_do_table(skb, hook, in, out,
dev_net(in)->ipv6.ip6table_mangle); dev_net(in)->ipv6.ip6table_mangle);