H Davide, On 5/16/2024 9:45 PM, Davide Caratti wrote: > hello Hou Tao, > > On Thu, May 16, 2024 at 3:33 PM Hou Tao <houtao@xxxxxxxxxxxxxxx> wrote: >> Oops. Forgot to add the target git tree for the patch. It is targeted >> for net- tree. >> >>> diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c >>> index 31dfd6c7405b0..d3f6006b563cc 100644 >>> --- a/net/sched/sch_generic.c >>> +++ b/net/sched/sch_generic.c >>> @@ -982,6 +982,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, >>> >>> return sch; >>> errout1: >>> + lockdep_unregister_key(&sch->root_lock_key); >>> kfree(sch); >>> errout: >>> return ERR_PTR(err); > AFAIS this line is part of the fix that was merged a couple of weeks > ago, (see the 2nd hunk of [1]). That patch also protects the error > path of qdisc_create(), that proved to make kselftest fail with > similar splats. Can you check if this commit resolves that syzbot? I missed that commit and didn't check the net-next git tree before posting the patch. Yes, I think this commit will resolve the reported problem. Thanks. > > thanks a lot!
