tree 5386270f315c29fb679d6247f53eae936656fbd4
parent cc74eddd0ff325d57373cea99f642b787d7f76f5
author Alexander Aring <aring@mojatatu.com> 1524251705 -0400
committer David S. Miller <davem@davemloft.net> 1524445920 -0400

net: sched: ife: check on metadata length

This patch checks if sk buffer is available to dererence ife header. If
not then NULL will returned to signal an malformed ife packet. This
avoids to crashing the kernel from outside.

Signed-off-by: Alexander Aring <aring@mojatatu.com>
Reviewed-by: Yotam Gigi <yotam.gi@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>