rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (1 GPs behind) idle=d1e/1/0x4000000000000004 softirq=112171/112172 fqs=5220 (t=10502 jiffies g=152909 q=498) NMI backtrace for cpu 1 CPU: 1 PID: 17438 Comm: syz-executor.3 Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b 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:164 [inline] rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:475 [inline] check_cpu_stall kernel/rcu/tree_stall.h:549 [inline] rcu_pending kernel/rcu/tree.c:3030 [inline] rcu_sched_clock_irq.cold+0x51a/0xc37 kernel/rcu/tree.c:2276 update_process_times+0x2d/0x70 kernel/time/timer.c:1726 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:171 tick_sched_timer+0x53/0x140 kernel/time/tick-sched.c:1314 __run_hrtimer kernel/time/hrtimer.c:1517 [inline] __hrtimer_run_queues+0x364/0xe40 kernel/time/hrtimer.c:1579 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1641 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0x160/0x610 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:lock_acquire+0x20b/0x410 kernel/locking/lockdep.c:4487 Code: 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 d3 01 00 00 48 83 3d 19 cf 58 08 00 0f 84 53 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b RSP: 0018:ffffc90000da8c70 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff136753f RBX: ffff88802ef82540 RCX: ffffffff815a8e42 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 RBP: ffffc90000da8cb8 R08: 0000000000006841 R09: fffffbfff16a137d R10: ffff88802ef82f18 R11: ffff88802ef82540 R12: ffff88802d6b4a70 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] garp_join_timer+0x25/0x80 net/802/garp.c:405 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__read_once_size include/linux/compiler.h:199 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:109 [inline] RIP: 0010:smp_call_function_single+0x188/0x480 kernel/smp.c:311 Code: 00 e8 cc 22 0b 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 c4 f9 ff ff 41 89 c5 eb 07 e8 aa 22 0b 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 15 24 0b 00 45 85 e4 RSP: 0018:ffffc9000556f6c0 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 1ffff92000aadedc RCX: ffffc9000fa6a000 RDX: 00000000000045f6 RSI: ffffffff816a1296 RDI: 0000000000000005 RBP: ffffc9000556f790 R08: ffff88802ef82540 R09: ffffed1015d07099 R10: ffffed1015d07098 R11: ffff8880ae8384c7 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 smp_call_function_many_cond+0x1af/0x9b0 kernel/smp.c:439 smp_call_function_many kernel/smp.c:498 [inline] smp_call_function+0x45/0x90 kernel/smp.c:520 on_each_cpu+0x2f/0x1f0 kernel/smp.c:627 text_poke_sync arch/x86/kernel/alternative.c:942 [inline] text_poke_bp_batch+0x15b/0x440 arch/x86/kernel/alternative.c:1121 text_poke_flush arch/x86/kernel/alternative.c:1243 [inline] text_poke_finish+0x1a/0x27 arch/x86/kernel/alternative.c:1250 arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:126 __jump_label_update+0x234/0x290 kernel/jump_label.c:449 jump_label_update kernel/jump_label.c:808 [inline] jump_label_update+0x1ce/0x3d0 kernel/jump_label.c:787 static_key_slow_inc_cpuslocked+0x1c1/0x250 kernel/jump_label.c:144 static_key_slow_inc+0x1b/0x30 kernel/jump_label.c:159 tracepoint_add_func kernel/tracepoint.c:255 [inline] tracepoint_probe_register_prio+0x53b/0x790 kernel/tracepoint.c:315 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:335 trace_event_reg+0x299/0x350 kernel/trace/trace_events.c:300 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x564/0x9c0 kernel/trace/trace_event_perf.c:204 perf_trace_init+0x189/0x250 kernel/trace/trace_event_perf.c:228 perf_tp_event_init+0xa6/0x120 kernel/events/core.c:9011 perf_try_init_event+0x135/0x590 kernel/events/core.c:10462 perf_init_event kernel/events/core.c:10514 [inline] perf_event_alloc.part.0+0x158f/0x3710 kernel/events/core.c:10794 perf_event_alloc kernel/events/core.c:11161 [inline] __do_sys_perf_event_open+0x6f6/0x2c00 kernel/events/core.c:11277 __se_sys_perf_event_open kernel/events/core.c:11151 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:11151 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff1068a8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007ff1068a96d4 RCX: 000000000045b399 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000080d R14: 00000000004c97b4 R15: 000000000075bf2c