Messages in this thread Patch in this message | | | From | Hillf Danton <> | Subject | Re: [syzbot] [kasan?] [mm?] INFO: rcu detected stall in __run_timer_base | Date | Sun, 14 Apr 2024 10:53:36 +0800 |
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On Sat, 13 Apr 2024 19:04:34 -0700 > syzbot found the following issue on: > > HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. > git tree: upstream > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111600cb180000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fe46a7dd189e
--- x/net/sched/sch_taprio.c +++ y/net/sched/sch_taprio.c @@ -980,7 +980,9 @@ first_run: rcu_assign_pointer(q->current_entry, next); spin_unlock(&q->current_entry_lock); - hrtimer_set_expires(&q->advance_timer, end_time); + hrtimer_set_expires(&q->advance_timer, + ktime_add(timer->base->get_time(), + ns_to_ktime(NSEC_PER_USEC *200))); rcu_read_lock(); __netif_schedule(sch); --
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