kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1201 Comm: syz-executor.4 Not tainted 5.4.268-syzkaller-00012-g51cf29fc2bfc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1452 [inline]
RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1787
Code: 89 e7 e8 e3 4b 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 45 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 b2 4b 3f 00 4d 89 65 00 eb 05 e8 17
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010806
RAX: 100000003ae4702d RBX: 1ffff1103c466639 RCX: dffffc0000000000
RDX: 0000000080000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e28
R13: 80000001d723816b R14: 1ffff1103c466638 R15: ffff8881e23331c8
FS:  0000555557246480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb22000 CR3: 00000001d14f5000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1800
 __do_softirq+0x23b/0x6b7 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+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
Modules linked in:
---[ end trace cc74087e7c202141 ]---
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1452 [inline]
RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1787
Code: 89 e7 e8 e3 4b 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 45 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 b2 4b 3f 00 4d 89 65 00 eb 05 e8 17
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010806
RAX: 100000003ae4702d RBX: 1ffff1103c466639 RCX: dffffc0000000000
RDX: 0000000080000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e28
R13: 80000001d723816b R14: 1ffff1103c466638 R15: ffff8881e23331c8
FS:  0000555557246480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb22000 CR3: 00000001d14f5000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	89 e7                	mov    %esp,%edi
   2:	e8 e3 4b 3f 00       	call   0x3f4bea
   7:	4d 89 2c 24          	mov    %r13,(%r12)
   b:	4d 85 ed             	test   %r13,%r13
   e:	74 2e                	je     0x3e
  10:	e8 45 68 0f 00       	call   0xf685a
  15:	49 83 c5 08          	add    $0x8,%r13
  19:	4c 89 e8             	mov    %r13,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ef             	mov    %r13,%rdi
  33:	e8 b2 4b 3f 00       	call   0x3f4bea
  38:	4d 89 65 00          	mov    %r12,0x0(%r13)
  3c:	eb 05                	jmp    0x43
  3e:	e8                   	.byte 0xe8
  3f:	17                   	(bad)