On Tue, Dec 1, 2015 at 2:33 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > Hmm... it looks like we have a much more serious bug : > > qdisc_lookup() calls qdisc_match_from_root(dev->qdisc, handle) without > proper lock being held, so we might actually crash the host, > if qdisc_tree_decrease_qlen() happens at the time qdiscs are changed. > > qdisc_tree_decrease_qlen() needs serious care :(
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