general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pvclock_gtod_notify+0x0/0x3e0 arch/x86/kvm/x86.c:7400
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
RSP: 0018:ffffc90000da8c70 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffffffff8b5ebc18 RSI: 0000000000000000 RDI: ffffffff892a82f8
RBP: ffffffff892a82f8 R08: ffffffff814f19db R09: fffffbfff163349f
R10: fffffbfff163349f R11: 0000000000000000 R12: 0000000000000000
R13: 00000000ffffffff R14: 1ffffffff125505f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cd3bb86c0 CR3: 00000000a8cb1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline]
 timekeeping_update+0x281/0x3f0 kernel/time/timekeeping.c:672
 timekeeping_advance+0x7cd/0x960 kernel/time/timekeeping.c:2119
 tick_sched_do_timer kernel/time/tick-sched.c:147 [inline]
 tick_sched_timer+0xba/0x410 kernel/time/tick-sched.c:1313
 __run_hrtimer kernel/time/hrtimer.c:1520 [inline]
 __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0xf0/0x260 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+0xb9/0x130 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 80 e1 07 80 c1 03 38 c1 7c bc 48 89 df e8 9a 86 94 f9 eb b2 cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 96 c2 43 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 86 c2 43 00 f4 c3 cc cc 41 56 53 65
RSP: 0018:ffffc90000d3fd60 EFLAGS: 00000286
RAX: 1ffffffff1257901 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff881ef76a
RBP: 1ffff11014d0024e R08: ffffffff817a1c60 R09: ffffed101533f069
R10: ffffed101533f069 R11: 0000000000000000 R12: 0000000000000001
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880a6801270
 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline]
 acpi_safe_halt+0x87/0xe0 drivers/acpi/processor_idle.c:111
 acpi_idle_do_entry drivers/acpi/processor_idle.c:525 [inline]
 acpi_idle_enter+0x3f4/0xac0 drivers/acpi/processor_idle.c:651
 cpuidle_enter_state+0x2d7/0x7b0 drivers/cpuidle/cpuidle.c:235
 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:346
 call_cpuidle kernel/sched/idle.c:126 [inline]
 cpuidle_idle_call kernel/sched/idle.c:214 [inline]
 do_idle+0x49c/0x650 kernel/sched/idle.c:276
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:372
 start_secondary+0x1b2/0x1e0 arch/x86/kernel/smpboot.c:268
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Modules linked in:
---[ end trace 06cd99dd55ab3ce2 ]---
RIP: 0010:pvclock_gtod_notify+0x0/0x3e0 arch/x86/kvm/x86.c:7400
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
RSP: 0018:ffffc90000da8c70 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffffffff8b5ebc18 RSI: 0000000000000000 RDI: ffffffff892a82f8
RBP: ffffffff892a82f8 R08: ffffffff814f19db R09: fffffbfff163349f
R10: fffffbfff163349f R11: 0000000000000000 R12: 0000000000000000
R13: 00000000ffffffff R14: 1ffffffff125505f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cd3bb86c0 CR3: 00000000a8cb1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400