[ 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... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.130155][ C0] general protection fault, probably for non-canonical address 0x1ffffffff135a2b4: 0000 [#1] PREEMPT SMP KASAN [ 63.130168][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc2-syzkaller #0 [ 63.130174][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.130190][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 63.130199][ C0] 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 [ 63.130203][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 63.130211][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 63.130216][ C0] RDX: ffffffff8c90a9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 63.130221][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58aa27 [ 63.130225][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 63.130230][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 63.130237][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 63.130241][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.130246][ C0] CR2: 00007f8ae8dd4e78 CR3: 00000000a1f9e000 CR4: 00000000001406f0 [ 63.130255][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.130260][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.130263][ C0] Call Trace: [ 63.130268][ C0] [ 63.130279][ C0] notifier_call_chain+0xb5/0x200 [ 63.130293][ C0] timekeeping_update+0x28a/0x4a0 [ 63.130309][ C0] timekeeping_advance+0x663/0x9a0 [ 63.130320][ C0] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 63.130330][ C0] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 63.130339][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 63.130349][ C0] ? trace_hardirqs_off+0x27/0x210 [ 63.130360][ C0] tick_do_update_jiffies64.part.0+0x183/0x290 [ 63.130369][ C0] tick_sched_timer+0x22c/0x290 [ 63.130379][ C0] __hrtimer_run_queues+0x1d5/0xfc0 [ 63.130388][ C0] ? can_stop_idle_tick+0x290/0x290 [ 63.130399][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 63.130407][ C0] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 63.130417][ C0] hrtimer_interrupt+0x32a/0x930 [ 63.130432][ C0] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 63.130444][ C0] asm_call_on_stack+0xf/0x20 [ 63.130448][ C0] [ 63.130456][ C0] sysvec_apic_timer_interrupt+0x18f/0x220 [ 63.130467][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 63.130476][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 63.130484][ C0] Code: ff 4c 89 ef e8 63 70 cb f9 e9 8e fe ff ff 48 89 df e8 56 70 cb f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d 24 79 61 00 fb f4 90 e9 07 00 00 00 0f 00 2d 14 79 61 00 f4 c3 cc cc 55 53 e8 a9 [ 63.130488][ C0] RSP: 0018:ffffffff89a07c70 EFLAGS: 00000293 [ 63.130494][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff155cb92 [ 63.130499][ C0] RDX: ffffffff89a86580 RSI: ffffffff87e736f8 RDI: ffffffff89a86e00 [ 63.130503][ C0] RBP: ffff8880a6b58064 R08: 0000000000000000 R09: 0000000000000001 [ 63.130508][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a6b58064 [ 63.130512][ C0] R13: 1ffffffff1340f98 R14: ffff8880a6b58065 R15: 0000000000000001 [ 63.130523][ C0] ? acpi_safe_halt+0x88/0x110 [ 63.130532][ C0] acpi_safe_halt+0x8d/0x110 [ 63.130541][ C0] acpi_idle_do_entry+0x15c/0x1b0 [ 63.130552][ C0] acpi_idle_enter+0x3f9/0xab0 [ 63.130562][ C0] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 63.130571][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 63.130579][ C0] ? sched_clock+0x2a/0x40 [ 63.130586][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 63.130594][ C0] ? check_preemption_disabled+0x38/0x220 [ 63.130605][ C0] cpuidle_enter_state+0xff/0x960 [ 63.130615][ C0] ? check_preemption_disabled+0x38/0x220 [ 63.130623][ C0] ? check_preemption_disabled+0x38/0x220 [ 63.130631][ C0] cpuidle_enter+0x4a/0xa0 [ 63.130639][ C0] do_idle+0x431/0x6a0 [ 63.130649][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 63.130658][ C0] ? check_preemption_disabled+0x38/0x220 [ 63.130668][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 63.130676][ C0] cpu_startup_entry+0x14/0x20 [ 63.130684][ C0] start_kernel+0x9cb/0xa06 [ 63.130693][ C0] ? mem_encrypt_init+0x5/0x5 [ 63.130718][ C0] ? x86_cpuid_vendor+0x84/0x90 [ 63.130728][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 63.130738][ C0] ? load_ucode_bsp+0x1b7/0x1f7 [ 63.130749][ C0] secondary_startup_64+0xa4/0xb0 [ 63.130757][ C0] Modules linked in: [ 63.130770][ C0] ---[ end trace 7b036d48895e60ed ]--- [ 63.130780][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 63.130788][ C0] 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 [ 63.130792][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 63.130798][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 63.130803][ C0] RDX: ffffffff8c90a9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 63.130807][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58aa27 [ 63.130811][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 63.130816][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 63.130822][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 63.130827][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.130832][ C0] CR2: 00007f8ae8dd4e78 CR3: 00000000a1f9e000 CR4: 00000000001406f0 [ 63.130838][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.130842][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.130847][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 64.282148][ C0] Shutting down cpus with NMI [ 64.283456][ C0] Kernel Offset: disabled [ 64.858206][ C0] Rebooting in 86400 seconds..