git.itanic.dy.fi Git - linux-stable/commit

author	Eric Dumazet <eric.dumazet@gmail.com>
	Tue, 7 Jun 2011 05:42:06 +0000 (22:42 -0700)
committer	Willy Tarreau <w@1wt.eu>
	Sat, 11 Feb 2012 14:40:47 +0000 (15:40 +0100)
commit	6e4e58898f4bb7e512f939fd89c0f5ad9b4939ae
tree	aa6f0fbc98dec9e6ed9bfef5d1053136a56e17e1	tree \| snapshot
parent	b9ce0b27bf085083a8e84598b4f88480847ffdc5	commit \| diff

af_packet: prevent information leak

[ Upstream commit 13fcb7bd322164c67926ffe272846d4860196dc6 ]

In 2.6.27, commit 393e52e33c6c2 (packet: deliver VLAN TCI to userspace)
added a small information leak.

Add padding field and make sure its zeroed before copy to user.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>

include/linux/if_packet.h		diff \| blob \| history
net/packet/af_packet.c		diff \| blob \| history