Mark H. Weaver cbb1dbb632 netfilter: nf_conntrack_tcp: fix unaligned memory access in tcp_sack
[ Upstream commit 534f81a5068799799e264fd162e9488a129f98d4 ]

This patch fixes an unaligned memory access in tcp_sack while reading
sequence numbers from TCP selective acknowledgement options.  Prior to
applying this patch, upstream linux-2.6.27.20 was occasionally
generating messages like this on my sparc64 system:

  [54678.532071] Kernel unaligned access at TPC[6b17d4] tcp_packet+0xcd4/0xd00

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
2009-04-02 13:55:14 -07:00
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