syzbot

watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:1825]
Modules linked in:
irq event stamp: 30128
hardirqs last  enabled at (30127): [<ffffffff88000c42>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
hardirqs last disabled at (30128): [<ffffffff87e462cd>] idtentry_enter_cond_rcu+0x1d/0x50 arch/x86/entry/common.c:607
softirqs last  enabled at (25858): [<ffffffff88200748>] __do_softirq+0x748/0xa60 kernel/softirq.c:319
softirqs last disabled at (25811): [<ffffffff88000f0f>] asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
CPU: 0 PID: 1825 Comm: syz-executor.0 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x192/0x4f0 kernel/smp.c:382
Code: 10 8b 7c 24 1c 48 8d 74 24 40 48 89 44 24 50 48 8b 44 24 08 48 89 44 24 58 e8 fa f9 ff ff 41 89 c5 eb 07 e8 f0 ff 0a 00 f3 90 <44> 8b 64 24 48 31 ff 41 83 e4 01 44 89 e6 e8 5b fc 0a 00 45 85 e4
RSP: 0018:ffffc900163977a0 EFLAGS: 00000246
RAX: 0000000000040000 RBX: 1ffff92002c72ef8 RCX: ffffc90001a79000
RDX: 0000000000040000 RSI: ffffffff8168b770 RDI: 0000000000000005
RBP: ffffc90016397878 R08: 0000000000000001 R09: ffff8880ae736dc7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000040
FS:  00007f119f865700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004fa730 CR3: 0000000212c3f000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 smp_call_function_many_cond+0x1a4/0x990 kernel/smp.c:518
 smp_call_function_many kernel/smp.c:577 [inline]
 smp_call_function kernel/smp.c:599 [inline]
 on_each_cpu+0x4a/0x240 kernel/smp.c:699
 text_poke_sync arch/x86/kernel/alternative.c:996 [inline]
 text_poke_bp_batch+0x142/0x3d0 arch/x86/kernel/alternative.c:1174
 text_poke_flush arch/x86/kernel/alternative.c:1296 [inline]
 text_poke_finish+0x16/0x21 arch/x86/kernel/alternative.c:1303
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:126
 jump_label_update kernel/jump_label.c:808 [inline]
 jump_label_update+0x1b3/0x3a0 kernel/jump_label.c:787
 static_key_slow_inc_cpuslocked+0x1b2/0x250 kernel/jump_label.c:144
 static_key_slow_inc+0x16/0x20 kernel/jump_label.c:159
 tracepoint_add_func+0x5c6/0x880 kernel/tracepoint.c:255
 tracepoint_probe_register_prio kernel/tracepoint.c:315 [inline]
 tracepoint_probe_register+0x9c/0xe0 kernel/tracepoint.c:335
 trace_event_reg+0x28f/0x350 kernel/trace/trace_events.c:304
 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline]
 perf_trace_event_init+0x532/0x9a0 kernel/trace/trace_event_perf.c:204
 perf_trace_init+0x176/0x240 kernel/trace/trace_event_perf.c:228
 perf_tp_event_init+0xa2/0x120 kernel/events/core.c:9330
 perf_try_init_event+0x12a/0x560 kernel/events/core.c:10782
 perf_init_event kernel/events/core.c:10834 [inline]
 perf_event_alloc.part.0+0xdee/0x36f0 kernel/events/core.c:11110
 perf_event_alloc kernel/events/core.c:11489 [inline]
 __do_sys_perf_event_open+0x72c/0x2b50 kernel/events/core.c:11605
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb29
Code: Bad RIP value.
RSP: 002b:00007f119f864c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00000000004fa720 RCX: 000000000045cb29
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000200
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000842 R14: 00000000004cb34b R15: 00007f119f8656d4
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1808 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__preempt_count_add arch/x86/include/asm/preempt.h:79 [inline]
RIP: 0010:rcu_read_lock_sched_notrace include/linux/rcupdate.h:750 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0x5e5/0x8d0 kernel/locking/lockdep.c:4976
Code: 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 c4 02 00 00 8b 3d 18 81 54 09 85 ff 0f 85 27 fe ff ff e9 1b 72 00 00 <65> ff 05 34 f4 a7 7e 48 8b 05 f5 ad 4f 09 e8 98 95 8a 06 85 c0 74
RSP: 0018:ffffc90000da8be8 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815a062e
RDX: fffffbfff155cb2a RSI: 0000000000000008 RDI: ffffffff8aae5948
RBP: 1ffff920001b517f R08: 0000000000000000 R09: ffffffff8aae594f
R10: fffffbfff155cb29 R11: 0000000000000000 R12: ffffffff8cb20700
R13: ffffffff839b4ae7 R14: 1ffff920001b519b R15: ffffffff89bd0d00
FS:  00007fbf2545a700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32422000 CR3: 000000021a846000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
 _raw_spin_unlock_irqrestore+0x16/0xe0 kernel/locking/spinlock.c:191
 debug_object_activate+0x287/0x3e0 lib/debugobjects.c:664
 debug_hrtimer_activate kernel/time/hrtimer.c:416 [inline]
 debug_activate kernel/time/hrtimer.c:476 [inline]
 enqueue_hrtimer+0x27/0x3f0 kernel/time/hrtimer.c:965
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0xc1e/0xfc0 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 sysvec_apic_timer_interrupt+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:765 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 kernel/locking/spinlock.c:191
Code: 48 c7 c0 40 e0 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d fb a6 cd 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 35 39 68 f9 65 8b 05 5e c5 1a 78
RSP: 0018:ffffc90016337d80 EFLAGS: 00000282
RAX: 1ffffffff1369c08 RBX: 0000000000000282 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffffffff89bd19e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92002c66fbc
R13: 0000000000000000 R14: ffffc90016337ed0 R15: ffffffffa0fa0ece
 do_settimeofday64 kernel/time/timekeeping.c:1254 [inline]
 do_settimeofday64+0x34b/0x4e0 kernel/time/timekeeping.c:1223
 do_sys_settimeofday64 kernel/time/time.c:195 [inline]
 do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
 __do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
 __x64_sys_clock_settime+0x197/0x260 kernel/time/posix-timers.c:1067
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb29
Code: Bad RIP value.
RSP: 002b:00007fbf25459c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00000000004db560 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000000
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000007b R14: 00000000004c34ac R15: 00007fbf2545a6d4