BUG: kernel NULL pointer dereference, address: 000000000000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 88aa1067 P4D 88aa1067 PUD 91128067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7081 Comm: syz-executor.2 Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__seqcount_assert include/linux/seqlock.h:211 [inline]
RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1738 [inline]
RIP: 0010:pvclock_gtod_notify+0x40/0x570 arch/x86/kvm/x86.c:7452
Code: 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 70 07 00 07 77 00 70 07 70 07 00 07 77 00 70 07 <00> 70 07 00 07 00 70 07 00 00 00 00 77 00 77 00 77 00 70 07 77 77
RSP: 0018:ffffc90000007bf0 EFLAGS: 00010086
RAX: 0000000000000007 RBX: ffffffff8d1ad980 RCX: 1ffffffff1669b67
RDX: 0000000000000000 RSI: ffffffff810c31da RDI: ffffffff89d02dc0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8ce2d9e7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89d02dc0
FS:  0000000002b46940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000e CR3: 00000000a7ada000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 update_pvclock_gtod kernel/time/timekeeping.c:581 [inline]
 timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:675
 timekeeping_advance+0x6ad/0xa40 kernel/time/timekeeping.c:2122
 tick_do_update_jiffies64.part.0+0x1ec/0x330 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+0x236/0x2a0 kernel/time/tick-sched.c:1321
 __run_hrtimer kernel/time/hrtimer.c:1524 [inline]
 __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1588
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1650
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0x147/0x5f0 arch/x86/kernel/apic/apic.c:1097
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </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+0xb2/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 kernel/locking/spinlock.c:199
Code: c0 b8 6b dc 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 16 c2 d3 01 00 74 25 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 3b 4c 48 f9 65 8b 05 c4 54 f9 77 85 c0 74 02 5d
RSP: 0018:ffffc900067ffb50 EFLAGS: 00000282
RAX: 1ffffffff13b8d77 RBX: ffff888090880280 RCX: 1ffffffff1668d91
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffff8880ae635e00 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae635e00
R13: ffff8880a3e86540 R14: 0000000000000000 R15: 0000000000000001
 finish_lock_switch kernel/sched/core.c:3517 [inline]
 finish_task_switch+0x150/0x790 kernel/sched/core.c:3617
 context_switch kernel/sched/core.c:3781 [inline]
 __schedule+0xed1/0x2280 kernel/sched/core.c:4527
 schedule+0xd0/0x2a0 kernel/sched/core.c:4602
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x222/0x650 kernel/time/hrtimer.c:1883
 hrtimer_nanosleep+0x1f9/0x430 kernel/time/hrtimer.c:1936
 __do_sys_nanosleep kernel/time/hrtimer.c:1970 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1957 [inline]
 __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1957
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45bac1
Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 84 cf fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:000000000169fd80 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000006f8e4 RCX: 000000000045bac1
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000169fd90
RBP: 00000000000003cb R08: 0000000000000000 R09: 0000000002b46940
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000000c
R13: 000000000169fde0 R14: 000000000006f7dd R15: 000000000169fdf0
Modules linked in:
CR2: 000000000000000e
---[ end trace 50855666a368695a ]---
RIP: 0010:__seqcount_assert include/linux/seqlock.h:211 [inline]
RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1738 [inline]
RIP: 0010:pvclock_gtod_notify+0x40/0x570 arch/x86/kvm/x86.c:7452
Code: 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 70 07 00 07 77 00 70 07 70 07 00 07 77 00 70 07 <00> 70 07 00 07 00 70 07 00 00 00 00 77 00 77 00 77 00 70 07 77 77
RSP: 0018:ffffc90000007bf0 EFLAGS: 00010086
RAX: 0000000000000007 RBX: ffffffff8d1ad980 RCX: 1ffffffff1669b67
RDX: 0000000000000000 RSI: ffffffff810c31da RDI: ffffffff89d02dc0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8ce2d9e7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89d02dc0
FS:  0000000002b46940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000e CR3: 00000000a7ada000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400