Messages in this thread | | | Subject | Re: Potential NULL pointer deference in net: sched | From | Eric Dumazet <> | Date | Mon, 7 Oct 2019 14:20:21 -0700 |
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On 10/7/19 2:08 PM, Yizhuo Zhai wrote: > Hi All: > > net/sched/sch_mq.c: > Inside function mq_dump_class(), mq_queue_get() could return NULL, > however, the return value of dev_queue is not checked and get used. > This could potentially be unsafe. > >
Not really.
mq_dump_class() is called by a layer that made sure the @cl argument was not complete garbage.
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