On Thu, 21 Dec 2017 13:31:01 -0800, Cong Wang wrote: > > 629 if (likely(skb)) { > > 630 qdisc_qstats_cpu_backlog_dec(qdisc, skb); > > 631 qdisc_bstats_cpu_update(qdisc, skb); > > 632 qdisc_qstats_cpu_qlen_dec(qdisc); > > 633 } > > 634 > > 635 return skb; > > 636 } > > Hi, Jakub > > Could you test the attached patch? It looks like the __skb_array_empty() > use is unsafe.
I don't have a reproducer, unfortunately, I haven't seen the splat since :( FWIW the kernel config was with all debug/checks disabled, only KASAN on.