tree 02f02c9808a19c09977eebea9e3a9e2b3eac617f
parent cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
author Matthew Daley <mattjd@gmail.com> 1318617905 +0000
committer David S. Miller <davem@davemloft.net> 1318894300 -0400

x25: Prevent skb overreads when checking call user data

x25_find_listener does not check that the amount of call user data given
in the skb is big enough in per-socket comparisons, hence buffer
overreads may occur.  Fix this by adding a check.

Signed-off-by: Matthew Daley <mattjd@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Andrew Hendry <andrew.hendry@gmail.com>
Cc: stable <stable@kernel.org>
Acked-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>