6329bf0a03811f4644a4c8d50bf241f6db6f19b5 - kernel/msm

commit	6329bf0a03811f4644a4c8d50bf241f6db6f19b5	[log] [tgz]
author	Eric Dumazet <eric.dumazet@gmail.com>	Thu Feb 23 10:55:02 2012 +0000
committer	Jin Hong <jinh@codeaurora.org>	Sat May 12 21:53:36 2012 -0700
tree	3b92221c0536e4cfc414a3ff36483de00a739e96
parent	2c653ad630abce4b447292fbfb20d48c2136a13d [diff]

ipsec: be careful of non existing mac headers

Niccolo Belli reported ipsec crashes in case we handle a frame without
mac header (atm in his case)

Before copying mac header, better make sure it is present.

Bugzilla reference:  https://bugzilla.kernel.org/show_bug.cgi?id=42809

Reported-by: Niccolò Belli <darkbasic@linuxsystems.it>
Tested-by: Niccolò Belli <darkbasic@linuxsystems.it>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

CRs-Fixed: 344300
Change-Id: Ic2d8f3f6b90233d6e87741373c33ef510b35aaa5
Signed-off-by: Jin Hong <jinh@codeaurora.org>

include/linux/skbuff.h[diff]
net/ipv4/xfrm4_mode_beet.c[diff]
net/ipv4/xfrm4_mode_tunnel.c[diff]
net/ipv6/xfrm6_mode_beet.c[diff]
net/ipv6/xfrm6_mode_tunnel.c[diff]

5 files changed

tree: 3b92221c0536e4cfc414a3ff36483de00a739e96