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(parent: 15da4b1) | patch
xfrm4: fix the ports decode of sctp protocol
authorWei Yongjun <yjwei@cn.fujitsu.com>
Thu, 2 Jul 2009 16:57:23 +0000 (16:57 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 4 Jul 2009 02:10:06 +0000 (19:10 -0700)
commitc615c9f3f3cea60279b1bb38e8ef27bd575ecd0c
tree2bf343e769106a87e3cda9801e3b8cb942d722c9tree | snapshot (tar.gz zip)
parent15da4b1612d608a47e095439b3dd1d77ffe20e0ccommit | diff
xfrm4: fix the ports decode of sctp protocol

The SCTP pushed the skb data above the sctp chunk header, so the check
of pskb_may_pull(skb, xprth + 4 - skb->data) in _decode_session4() will
never return 0 because xprth + 4 - skb->data < 0, the ports decode of
sctp will always fail.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/xfrm4_policy.c diff | blob | blame | history