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xprt_adjust_timeout: rq_timeout = 0! rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-....: (104999 ticks this GP) idle=5a6/1/0x4000000000000002 softirq=55015/55015 fqs=26147 rcu: (t=105000 jiffies g=95665 q=3484) NMI backtrace for cpu 0 CPU: 0 PID: 11903 Comm: kworker/0:4 Not tainted 4.18.0-rc7-next-20180803+ #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events rtc_timer_do_work Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340 print_cpu_stall.cold.78+0x2fb/0x59c kernel/rcu/tree.c:1478 check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xd93/0x1660 kernel/rcu/tree.c:2665 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x3eb/0x10c0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1028 [inline] smp_apic_timer_interrupt+0x165/0x730 arch/x86/kernel/apic/apic.c:1053 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:867 </IRQ> RIP: 0010:rb_insert_color+0xb2/0x1480 lib/rbtree.c:451 Code: c7 40 1c 00 f2 f2 f2 c7 40 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 c7 40 28 f2 f2 f2 f2 c7 40 2c 00 f2 f2 f2 c7 40 30 f2 f2 f2 f2 <c7> 40 34 00 f2 f2 f2 c7 40 38 f2 f2 f2 f2 c7 40 3c 00 f2 f2 f2 c7 RSP: 0018:ffff8801968b6f38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffffed0032d16ded RBX: 1ffff10032d16ded RCX: ffff8801968b6f68 RDX: dffffc0000000000 RSI: ffff8801ce4558e0 RDI: ffff8801ce455930 RBP: ffff8801968b7330 R08: ffff88019f48c4c0 R09: ffffed0039c8ab11 R10: ffffed0039c8ab11 R11: ffff8801ce45588b R12: dffffc0000000000 R13: 0000000000000000 R14: ffff8801968b7308 R15: ffff8801ce455930 timerqueue_add+0x173/0x2b0 lib/timerqueue.c:58 rtc_timer_do_work+0xaba/0x11d0 drivers/rtc/interface.c:926 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 rcu: INFO: rcu_bh self-detected stall on CPU rcu: 0-....: (112277 ticks this GP) idle=5a6/1/0x4000000000000002 softirq=51566/55015 fqs=25968 rcu: (t=105000 jiffies g=-915 q=1) NMI backtrace for cpu 0 CPU: 0 PID: 11903 Comm: kworker/0:4 Not tainted 4.18.0-rc7-next-20180803+ #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events rtc_timer_do_work Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340 print_cpu_stall.cold.78+0x2fb/0x59c kernel/rcu/tree.c:1478 check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xd93/0x1660 kernel/rcu/tree.c:2665 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x3eb/0x10c0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1028 [inline] smp_apic_timer_interrupt+0x165/0x730 arch/x86/kernel/apic/apic.c:1053 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:867 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:783 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa1/0xc0 kernel/locking/spinlock.c:184 Code: e8 b0 f1 87 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 21 48 83 3d be 3c 39 01 00 74 0e 48 89 df 57 9d <0f> 1f 44 00 00 eb bb 0f 0b 0f 0b e8 bf 25 03 fb eb 97 e8 b8 25 03 RSP: 0018:ffff8801968b7320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: ffffffff81606487 RDX: 1ffffffff0fe361d RSI: 0000000000000004 RDI: 0000000000000286 RBP: ffff8801968b7330 R08: ffffed0039c8ab0b R09: ffffed0039c8ab0a R10: ffffed0039c8ab0a R11: ffff8801ce455853 R12: ffff8801ce455850 R13: 0000000000000090 R14: ffff8801ce455850 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] rtc_handle_legacy_irq+0x76/0xd0 drivers/rtc/interface.c:608 rtc_uie_update_irq+0x1f/0x30 drivers/rtc/interface.c:637 rtc_timer_do_work+0x287/0x11d0 drivers/rtc/interface.c:918 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2018/08/06 00:13 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |