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af_packet: prevent information leak
author
Eric Dumazet
<eric.dumazet@gmail.com>
Tue, 7 Jun 2011 05:42:06 +0000
(22:42 -0700)
committer
David S. Miller
<davem@davemloft.net>
Tue, 7 Jun 2011 05:42:06 +0000
(22:42 -0700)
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>
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