watchdog: BUG: soft lockup - CPU#0 stuck for 116s! [syz-executor.0:8887] Modules linked in: irq event stamp: 5423819 hardirqs last enabled at (5423818): [] trace_hardirqs_on_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:41 hardirqs last disabled at (5423819): [] trace_hardirqs_off_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:42 softirqs last enabled at (994168): [] __do_softirq+0x6cd/0x98c kernel/softirq.c:319 softirqs last disabled at (994511): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (994511): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 CPU: 0 PID: 8887 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:clocksource_watchdog+0x31c/0x9a0 kernel/time/clocksource.c:227 Code: c1 ea 03 42 0f b6 14 32 89 4d ac 84 d2 74 09 80 fa 03 0f 8e 5e 06 00 00 8b 40 10 89 45 a8 49 8d 45 08 48 89 45 98 48 c1 e8 03 <42> 80 3c 30 00 0f 85 bf 05 00 00 49 8d bd 98 00 00 00 49 8b 5d 08 RSP: 0018:ffff88802d209c88 EFLAGS: 00010a02 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a0df1 RBX: 0000000000000000 RCX: 0000000000000017 RDX: 0000000000000000 RSI: ffffffff81661f9e RDI: ffffffff89532e70 RBP: ffff88802d209d00 R08: ffff88802b755000 R09: fffffbfff164093d R10: fffffbfff164093c R11: 0000000000000003 R12: ffffffff89506fe0 R13: ffffffff89506f80 R14: dffffc0000000000 R15: 0000006aab2c1977 FS: 00007ffa909ac700(0000) GS:ffff88802d200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000071c000 CR3: 0000000074840000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 kernel/locking/spinlock.c:199 Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 RSP: 0018:ffff88806a58f8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff88802b755000 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88802b755894 RBP: ffff88806a58f8e0 R08: 1ffffffff15d29b9 R09: fffffbfff15d29ba R10: fffffbfff15d29b9 R11: ffffffff8ae94dcf R12: ffff88802d237380 R13: ffff88802b97c800 R14: ffff8880116a6c40 R15: 0000000000000402 finish_lock_switch kernel/sched/core.c:3124 [inline] finish_task_switch+0x147/0x750 kernel/sched/core.c:3224 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x8e9/0x1f30 kernel/sched/core.c:4081 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:4236 preempt_schedule+0x4b/0x60 kernel/sched/core.c:4261 ___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50 smp_call_function_single+0x410/0x480 kernel/smp.c:313 task_function_call+0xe9/0x180 kernel/events/core.c:114 perf_install_in_context+0x308/0x5a0 kernel/events/core.c:2746 __do_sys_perf_event_open+0x1cbc/0x2c70 kernel/events/core.c:11543 __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: 0033:0x45a759 Code: bd b1 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 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffa909abc88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 RDX: bfffffffffffffff RSI: 0000000000000000 RDI: 0000000020000180 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007ffa909ac6d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff Sending NMI from CPU 0 to CPUs 1-3: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 NMI backtrace for cpu 2 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 NMI backtrace for cpu 3 CPU: 3 PID: 8884 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr+0x6/0x30 arch/x86/include/asm/msr.h:164 Code: d0 c3 0f 21 d8 c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2 e8 RSP: 0018:ffff88802d509ce8 EFLAGS: 00000082 RAX: 00000000a92e9ac2 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000d5 RSI: 00000000a92e9ac2 RDI: 00000000000006e0 RBP: ffff88802d509d00 R08: ffff88801b504d40 R09: ffff88801b5055d0 R10: fffffbfff146dba0 R11: ffffffff8a36dd07 R12: ffff88802d5227c0 R13: 00000000000005c5 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f26edee4700(0000) GS:ffff88802d500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000006b011000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: clockevents_program_event+0x25c/0x370 kernel/time/clockevents.c:334 tick_program_event+0xb4/0x130 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x369/0x770 kernel/time/hrtimer.c:1651 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:ffs arch/x86/include/asm/bitops.h:297 [inline] RIP: 0010:__do_softirq+0x227/0x98c kernel/softirq.c:280 Code: c7 c0 68 34 53 89 48 c1 e8 03 42 80 3c 30 00 0f 85 b1 06 00 00 48 83 3d 4e 32 73 01 00 0f 84 d6 05 00 00 fb 66 0f 1f 44 00 00 ff ff ff ff 48 c7 45 c8 00 91 40 89 0f bc 45 d4 83 c0 01 89 45 RSP: 0018:ffff88802d509f18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff88801b504d40 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801b5055d4 RBP: ffff88802d509f98 R08: 1ffffffff15d29b9 R09: fffffbfff15d29ba R10: fffffbfff15d29b9 R11: ffffffff8ae94dcf R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 kernel/locking/spinlock.c:199 Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 RSP: 0018:ffff88806bdd7b20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff88801b504d40 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88801b5055d4 RBP: ffff88806bdd7b28 R08: 1ffffffff15d29b9 R09: fffffbfff15d29ba R10: fffffbfff15d29b9 R11: ffffffff8ae94dcf R12: ffff88802d537380 R13: ffff88802c6c8800 R14: ffff8880223a8f40 R15: 0000000000000001 finish_lock_switch kernel/sched/core.c:3124 [inline] finish_task_switch+0x147/0x750 kernel/sched/core.c:3224 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x8e9/0x1f30 kernel/sched/core.c:4081 preempt_schedule_irq+0xb5/0x160 kernel/sched/core.c:4338 retint_kernel+0x1b/0x2b RIP: 0010:__do_sys_perf_event_open+0x1cbc/0x2c70 kernel/events/core.c:11544 Code: c0 03 38 d0 7c 08 84 d2 0f 85 99 0f 00 00 48 8b b5 c8 fe ff ff 48 8b 9d 88 fe ff ff 8b 96 dc 02 00 00 48 89 df e8 b4 43 fe ff <48> 89 df e8 6c b1 fc ff e8 57 30 e6 ff 48 8b bd 90 fe ff ff e8 9b RSP: 0018:ffff88806bdd7d40 EFLAGS: 00010282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff88802a2afc00 RCX: ffffc900062ad000 RDX: 0000000000040000 RSI: ffffffff818cf4c7 RDI: 0000000000000005 RBP: ffff88806bdd7ed8 R08: ffff88801b504d40 R09: fffffbfff15d29ba R10: fffffbfff15d29b9 R11: ffffffff8ae94dcf R12: ffff88802a2afc00 R13: ffff8880144e7000 R14: ffff8880144e715a R15: 1ffff1100d7bafb6 __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: 0033:0x45a759 Code: bd b1 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 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26edee3c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 RDX: bfffffffffffffff RSI: 0000000000000000 RDI: 0000000020000180 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f26edee46d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff