[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.199' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 60.475755][ C1] general protection fault, probably for non-canonical address 0x1ffffffff135ab6c: 0000 [#1] PREEMPT SMP KASAN [ 60.475772][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc4-next-20200708-syzkaller #0 [ 60.475779][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.475796][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 60.475809][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 60.475816][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 60.475826][ C1] RAX: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e3cdb [ 60.475834][ C1] RDX: ffffffff8c92c980 RSI: 0000000000000000 RDI: ffffffff89ad5b60 [ 60.475841][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5aca27 [ 60.475848][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.475855][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60 [ 60.475865][ C1] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 60.475873][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.475881][ C1] CR2: 00007ffe02739a04 CR3: 00000000a6eb4000 CR4: 00000000001506e0 [ 60.475892][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.475899][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.475902][ C1] Call Trace: [ 60.475909][ C1] [ 60.475924][ C1] notifier_call_chain+0xb5/0x200 [ 60.475943][ C1] timekeeping_update+0x28a/0x4a0 [ 60.475957][ C1] timekeeping_advance+0x663/0x9a0 [ 60.475971][ C1] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 60.475986][ C1] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 60.475997][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 60.476009][ C1] ? trace_hardirqs_off+0x27/0x210 [ 60.476024][ C1] tick_do_update_jiffies64.part.0+0x183/0x290 [ 60.476037][ C1] tick_sched_timer+0x22c/0x290 [ 60.476050][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 60.476062][ C1] ? can_stop_idle_tick+0x290/0x290 [ 60.476079][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 60.476092][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 60.476107][ C1] hrtimer_interrupt+0x32a/0x930 [ 60.476129][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 60.476145][ C1] asm_call_on_stack+0xf/0x20 [ 60.476150][ C1] [ 60.476163][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 60.476177][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 60.476190][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 60.476201][ C1] Code: ff 4c 89 ef e8 13 1e c7 f9 e9 8e fe ff ff 48 89 df e8 06 1e c7 f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d e4 2b 5c 00 fb f4 90 e9 07 00 00 00 0f 00 2d d4 2b 5c 00 f4 c3 cc cc 55 53 e8 79 [ 60.476208][ C1] RSP: 0018:ffffc90000d3fd18 EFLAGS: 00000293 [ 60.476216][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 60.476224][ C1] RDX: ffff8880a95f6340 RSI: ffffffff87ec98b8 RDI: ffffffff87ec988e [ 60.476231][ C1] RBP: ffff88821a882864 R08: 0000000000000000 R09: 0000000000000000 [ 60.476238][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88821a882864 [ 60.476245][ C1] R13: 1ffff920001a7fad R14: ffff88821a882865 R15: 0000000000000001 [ 60.476261][ C1] ? acpi_safe_halt+0x88/0x110 [ 60.476272][ C1] ? acpi_safe_halt+0x5e/0x110 [ 60.476285][ C1] acpi_safe_halt+0x8d/0x110 [ 60.476296][ C1] acpi_idle_do_entry+0x15c/0x1b0 [ 60.476311][ C1] acpi_idle_enter+0x3f9/0xab0 [ 60.476325][ C1] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 60.476339][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 60.476352][ C1] ? sched_clock+0x2a/0x40 [ 60.476364][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 60.476379][ C1] cpuidle_enter_state+0xff/0x960 [ 60.476391][ C1] ? tick_nohz_idle_enter+0x238/0x360 [ 60.476412][ C1] cpuidle_enter+0x4a/0xa0 [ 60.476425][ C1] do_idle+0x431/0x6d0 [ 60.476439][ C1] ? arch_cpu_idle_exit+0x70/0x70 [ 60.476451][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 60.476462][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 60.476476][ C1] cpu_startup_entry+0x14/0x20 [ 60.476490][ C1] secondary_startup_64+0xa4/0xb0 [ 60.476500][ C1] Modules linked in: [ 60.476516][ C1] ---[ end trace ff2f08d40327ea6f ]--- [ 60.476527][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 60.476538][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 60.476545][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 60.476555][ C1] RAX: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e3cdb [ 60.476562][ C1] RDX: ffffffff8c92c980 RSI: 0000000000000000 RDI: ffffffff89ad5b60 [ 60.476569][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5aca27 [ 60.476576][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.476583][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60 [ 60.476593][ C1] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 60.476601][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.476609][ C1] CR2: 00007ffe02739a04 CR3: 00000000a6eb4000 CR4: 00000000001506e0 [ 60.476618][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.476625][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.476631][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 61.574699][ C1] Shutting down cpus with NMI [ 61.575768][ C1] Kernel Offset: disabled [ 62.125377][ C1] Rebooting in 86400 seconds..