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: 4950 Comm: syz-executor.3 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:__write_once_size include/linux/compiler.h:295 [inline]
RIP: 0010:__hlist_del include/linux/list.h:789 [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+0x77f/0xbe0 kernel/time/timer.c:1787
Code: 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 ff e8 85 4b 3f 00 4d 8b 27 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 e3 4b 3f 00 4d 89 2c 24 4d 85 ed 74
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff11039ed0e39 RCX: dffffc0000000000
RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: dead000000000122 R14: 1ffff11039ed0e38 R15: ffff8881cf6871c8
FS:  00007f981fcc36c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcbb158a98 CR3: 00000001d2668000 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 6d70ef91b941e6ca ]---
RIP: 0010:__write_once_size include/linux/compiler.h:295 [inline]
RIP: 0010:__hlist_del include/linux/list.h:789 [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+0x77f/0xbe0 kernel/time/timer.c:1787
Code: 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 ff e8 85 4b 3f 00 4d 8b 27 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 e3 4b 3f 00 4d 89 2c 24 4d 85 ed 74
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff11039ed0e39 RCX: dffffc0000000000
RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: dead000000000122 R14: 1ffff11039ed0e38 R15: ffff8881cf6871c8
FS:  00007f981fcc36c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcbb158a98 CR3: 00000001d2668000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess), 7 bytes skipped:
   0:	df 80 3c 03 00 74    	filds  0x7400033c(%rax)
   6:	08 4c 89 ff          	or     %cl,-0x1(%rcx,%rcx,4)
   a:	e8 85 4b 3f 00       	call   0x3f4b94
   f:	4d 8b 27             	mov    (%r15),%r12
  12:	4c 89 e0             	mov    %r12,%rax
  15:	48 c1 e8 03          	shr    $0x3,%rax
  19:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  20:	fc ff df
* 23:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  27:	74 08                	je     0x31
  29:	4c 89 e7             	mov    %r12,%rdi
  2c:	e8 e3 4b 3f 00       	call   0x3f4c14
  31:	4d 89 2c 24          	mov    %r13,(%r12)
  35:	4d 85 ed             	test   %r13,%r13
  38:	74                   	.byte 0x74