general protection fault, probably for non-canonical address 0x1ffffffff135ab6c: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc4-next-20200708-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7405 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:ffffc90000da8bf8 EFLAGS: 00010046 RAX: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e3cdb RDX: ffffffff8c92c980 RSI: 0000000000000000 RDI: ffffffff89ad5b60 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5aca27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe02739a04 CR3: 00000000a6eb4000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline] timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:672 timekeeping_advance+0x663/0x9a0 kernel/time/timekeeping.c:2119 tick_do_update_jiffies64.part.0+0x183/0x290 kernel/time/tick-sched.c:101 tick_do_update_jiffies64 kernel/time/tick-sched.c:64 [inline] tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0x22c/0x290 kernel/time/tick-sched.c:1321 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1079 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1096 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __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+0xe0/0x120 arch/x86/kernel/apic/apic.c:1090 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 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 RSP: 0018:ffffc90000d3fd18 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880a95f6340 RSI: ffffffff87ec98b8 RDI: ffffffff87ec988e RBP: ffff88821a882864 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88821a882864 R13: 1ffff920001a7fad R14: ffff88821a882865 R15: 0000000000000001 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline] acpi_safe_halt+0x8d/0x110 drivers/acpi/processor_idle.c:111 acpi_idle_do_entry+0x15c/0x1b0 drivers/acpi/processor_idle.c:525 acpi_idle_enter+0x3f9/0xab0 drivers/acpi/processor_idle.c:651 cpuidle_enter_state+0xff/0x960 drivers/cpuidle/cpuidle.c:235 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:346 call_cpuidle kernel/sched/idle.c:126 [inline] cpuidle_idle_call kernel/sched/idle.c:214 [inline] do_idle+0x431/0x6d0 kernel/sched/idle.c:276 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:372 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: ---[ end trace ff2f08d40327ea6f ]--- RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7405 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:ffffc90000da8bf8 EFLAGS: 00010046 RAX: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e3cdb RDX: ffffffff8c92c980 RSI: 0000000000000000 RDI: ffffffff89ad5b60 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5aca27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe02739a04 CR3: 00000000a6eb4000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400