cls_cgroup: get sk_classid only from full sockets

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skb->sk could point to timewait or request socket which has no sk_classid.
Detected as "BUG: KASAN: slab-out-of-bounds in cls_cgroup_classify".

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Konstantin Khlebnikov 2016-04-18 14:37:10 +03:00 • committed by David S. Miller

parent 851b10d608

commit 2309236c13

1 changed files with 5 additions and 2 deletions

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include/net/cls_cgroup.h

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