BUG: unable to handle page fault for address: ffffffff8195df27
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 580f067 P4D 580f067 PUD 5810063 PMD 18001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.190-syzkaller-00046-g9ce4508d6de9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__hlist_del include/linux/list.h:773 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers+0x155/0x400 kernel/time/timer.c:1452
Code: 23 3b 00 4d 89 3e 4d 85 ff 74 2a e8 15 b6 0e 00 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 3b 23 3b 00 <4d> 89 37 eb 0b 66 0f 1f 44 00 00 e8 eb b5 0e 00 4d 89 ef 42 80 7c
RSP: 0018:ffff8881f6f09d78 EFLAGS: 00010046
RAX: 1ffffffff032bbe4 RBX: ffff8881edd2b1c0 RCX: ffff8881f5dc3f00
RDX: 0000000080000102 RSI: ffff8881edd2b1c0 RDI: 0000000000000000
RBP: 1ffff1103dba5639 R08: ffffffff815183e1 R09: ffffed103ede92f7
R10: ffffed103ede92f7 R11: 1ffff1103ede92f6 R12: ffff8881edd2b1c8
R13: dffffc0000000000 R14: ffff8881f6f09e60 R15: ffffffff8195df27
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8195df27 CR3: 00000001c7e57000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_timers+0x5b0/0x6b0 kernel/time/timer.c:1787
 run_timer_softirq+0x46/0x80 kernel/time/timer.c:1800
 __do_softirq+0x23e/0x643 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x113/0x440 arch/x86/kernel/apic/apic.c:1150
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:831
 </IRQ>
RIP: 0010:default_idle+0x1f/0x30 arch/x86/kernel/process.c:573
Code: 90 90 90 90 90 90 90 90 90 90 90 e8 6b 54 ff fd bf 01 00 00 00 89 c6 e8 9f f0 09 fd e9 07 00 00 00 0f 00 2d e3 40 48 00 fb f4 <e8> 4c 54 ff fd bf ff ff ff ff 89 c6 e9 80 f0 09 fd 41 57 41 56 53
RSP: 0018:ffff8881f5defe88 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f5dc3f00 RCX: ffff8881f5dc3f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffffff821c60b4 R09: ffffed103ebb87e1
R10: ffffed103ebb87e1 R11: 1ffff1103ebb87e0 R12: 0000000000000000
R13: 1ffff1103ebb87e0 R14: ffffffff85e6bd60 R15: 0000000000000001
 default_idle_call kernel/sched/idle.c:94 [inline]
 cpuidle_idle_call kernel/sched/idle.c:154 [inline]
 do_idle+0x1d2/0x590 kernel/sched/idle.c:264
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:356
 start_secondary+0x312/0x390 arch/x86/kernel/smpboot.c:264
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
Modules linked in:
CR2: ffffffff8195df27
---[ end trace 35c61b877493f042 ]---
RIP: 0010:__hlist_del include/linux/list.h:773 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers+0x155/0x400 kernel/time/timer.c:1452
Code: 23 3b 00 4d 89 3e 4d 85 ff 74 2a e8 15 b6 0e 00 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 3b 23 3b 00 <4d> 89 37 eb 0b 66 0f 1f 44 00 00 e8 eb b5 0e 00 4d 89 ef 42 80 7c
RSP: 0018:ffff8881f6f09d78 EFLAGS: 00010046
RAX: 1ffffffff032bbe4 RBX: ffff8881edd2b1c0 RCX: ffff8881f5dc3f00
RDX: 0000000080000102 RSI: ffff8881edd2b1c0 RDI: 0000000000000000
RBP: 1ffff1103dba5639 R08: ffffffff815183e1 R09: ffffed103ede92f7
R10: ffffed103ede92f7 R11: 1ffff1103ede92f6 R12: ffff8881edd2b1c8
R13: dffffc0000000000 R14: ffff8881f6f09e60 R15: ffffffff8195df27
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8195df27 CR3: 00000001c7e57000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	23 3b                	and    (%rbx),%edi
   2:	00 4d 89             	add    %cl,-0x77(%rbp)
   5:	3e 4d 85 ff          	ds test %r15,%r15
   9:	74 2a                	je     0x35
   b:	e8 15 b6 0e 00       	callq  0xeb625
  10:	49 83 c7 08          	add    $0x8,%r15
  14:	4c 89 f8             	mov    %r15,%rax
  17:	48 c1 e8 03          	shr    $0x3,%rax
  1b:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  20:	74 08                	je     0x2a
  22:	4c 89 ff             	mov    %r15,%rdi
  25:	e8 3b 23 3b 00       	callq  0x3b2365
* 2a:	4d 89 37             	mov    %r14,(%r15) <-- trapping instruction
  2d:	eb 0b                	jmp    0x3a
  2f:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  35:	e8 eb b5 0e 00       	callq  0xeb625
  3a:	4d 89 ef             	mov    %r13,%r15
  3d:	42                   	rex.X
  3e:	80                   	.byte 0x80
  3f:	7c                   	.byte 0x7c