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(parent: 8ad991d) | patch
netem: fix possible NULL deref in netem_dequeue()
authorEric Dumazet <edumazet@google.com>
Wed, 3 Jul 2013 21:04:14 +0000 (14:04 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 3 Jul 2013 23:52:10 +0000 (16:52 -0700)
commitead0fa753b6f8bbb5569a74aa29f966a145e50e4
tree19b913e5a43e3010c8c8790c7aa87d0d5167dea1tree | snapshot
parent8ad991d170862736635846e25f8d46b6f9ccb314commit | diff
netem: fix possible NULL deref in netem_dequeue()

commit 55d3cae350920e ("netem: use rb tree to implement the time queue")
added a regression if a child qdisc is attached to netem, as we perform
a NULL dereference.

Fix this by adding a temporary variable to cache
netem_skb_cb(skb)->time_to_send.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_netem.c diff | blob | history
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