[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ 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... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 65.285103][ C0] general protection fault, probably for non-canonical address 0x1ffffffff135a2b4: 0000 [#1] PREEMPT SMP KASAN [ 65.285115][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc2-syzkaller #0 [ 65.285121][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.285138][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 65.285147][ 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 [ 65.285152][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 65.285159][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 65.285164][ C0] RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 65.285169][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 [ 65.285174][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 65.285179][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 65.285186][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.285191][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.285196][ C0] CR2: 000055a1764bf378 CR3: 000000009fb18000 CR4: 00000000001406f0 [ 65.285205][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.285210][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.285213][ C0] Call Trace: [ 65.285219][ C0] [ 65.285230][ C0] notifier_call_chain+0xb5/0x200 [ 65.285244][ C0] timekeeping_update+0x28a/0x4a0 [ 65.285254][ C0] timekeeping_advance+0x663/0x9a0 [ 65.285265][ C0] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 65.285275][ C0] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 65.285285][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 65.285295][ C0] ? trace_hardirqs_off+0x27/0x210 [ 65.285307][ C0] tick_do_update_jiffies64.part.0+0x183/0x290 [ 65.285317][ C0] tick_sched_timer+0x22c/0x290 [ 65.285326][ C0] __hrtimer_run_queues+0x1d5/0xfc0 [ 65.285335][ C0] ? can_stop_idle_tick+0x290/0x290 [ 65.285347][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 65.285357][ C0] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 65.285367][ C0] hrtimer_interrupt+0x32a/0x930 [ 65.285384][ C0] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 65.285396][ C0] asm_call_on_stack+0xf/0x20 [ 65.285400][ C0] [ 65.285409][ C0] sysvec_apic_timer_interrupt+0x18f/0x220 [ 65.285420][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 65.285430][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 65.285438][ C0] Code: ff 4c 89 ef e8 d3 62 cb f9 e9 8e fe ff ff 48 89 df e8 c6 62 cb f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d 84 68 61 00 fb f4 90 e9 07 00 00 00 0f 00 2d 74 68 61 00 f4 c3 cc cc 55 53 e8 39 [ 65.285442][ C0] RSP: 0018:ffffffff89a07c70 EFLAGS: 00000293 [ 65.285449][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff155cbda [ 65.285454][ C0] RDX: ffffffff89a86580 RSI: ffffffff87e74798 RDI: ffffffff89a86e00 [ 65.285459][ C0] RBP: ffff88821aeb6064 R08: 0000000000000000 R09: 0000000000000001 [ 65.285464][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88821aeb6064 [ 65.285469][ C0] R13: 1ffffffff1340f98 R14: ffff88821aeb6065 R15: 0000000000000001 [ 65.285480][ C0] ? acpi_safe_halt+0x88/0x110 [ 65.285490][ C0] acpi_safe_halt+0x8d/0x110 [ 65.285499][ C0] acpi_idle_do_entry+0x15c/0x1b0 [ 65.285510][ C0] acpi_idle_enter+0x3f9/0xab0 [ 65.285521][ C0] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 65.285531][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 65.285540][ C0] ? sched_clock+0x2a/0x40 [ 65.285547][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 65.285556][ C0] ? check_preemption_disabled+0x38/0x220 [ 65.285567][ C0] cpuidle_enter_state+0xff/0x960 [ 65.285577][ C0] ? check_preemption_disabled+0x38/0x220 [ 65.285585][ C0] ? check_preemption_disabled+0x38/0x220 [ 65.285594][ C0] cpuidle_enter+0x4a/0xa0 [ 65.285603][ C0] do_idle+0x431/0x6d0 [ 65.285613][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 65.285623][ C0] ? check_preemption_disabled+0x38/0x220 [ 65.285633][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 65.285642][ C0] cpu_startup_entry+0x14/0x20 [ 65.285650][ C0] start_kernel+0x9cb/0xa06 [ 65.285660][ C0] ? mem_encrypt_init+0x5/0x5 [ 65.285670][ C0] ? x86_cpuid_vendor+0x84/0x90 [ 65.285680][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 65.285691][ C0] ? load_ucode_bsp+0x1b7/0x1f7 [ 65.285702][ C0] secondary_startup_64+0xa4/0xb0 [ 65.285710][ C0] Modules linked in: [ 65.285723][ C0] ---[ end trace 4a7f0f21d250f689 ]--- [ 65.285733][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 65.285741][ 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 [ 65.285745][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 65.285752][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 65.285757][ C0] RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 65.285762][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 [ 65.285766][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 65.285771][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 65.285778][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.285783][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.285788][ C0] CR2: 000055a1764bf378 CR3: 000000009fb18000 CR4: 00000000001406f0 [ 65.285793][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.285797][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.285802][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 66.440072][ C0] Shutting down cpus with NMI [ 66.441158][ C0] Kernel Offset: disabled [ 67.018405][ C0] Rebooting in 86400 seconds..