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IPVS: fix NULL ptr dereference in ip_vs_ctl.c ip_vs_genl_dump_daemons()

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ipvsadm -ln --daemon will trigger a Null pointer exception because
ip_vs_genl_dump_daemons() uses skb_net() instead of skb_sknet().

To prevent others from NULL ptr a check is made in ip_vs.h skb_net().

Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Hans Schillstrom
2011-04-04 15:25:18 +02:00
committed by Patrick McHardy
parent b4232a2277
commit a09d19779f
2 changed files with 2 additions and 2 deletions
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net/netfilter/ipvs/ip_vs_ctl.c
+1 -1
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@@ -3120,7 +3120,7 @@ nla_put_failure:
static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
struct netlink_callback *cb)
{
struct net *net = skb_net(skb);
struct net *net = skb_sknet(skb);
struct netns_ipvs *ipvs = net_ipvs(net);
mutex_lock(&__ip_vs_mutex);