------------[ cut here ]------------
WARNING: CPU: 1 PID: 23299 at kernel/workqueue.c:1438 __queue_work+0xda4/0xf50
Modules linked in:
CPU: 1 PID: 23299 Comm: syz-executor.0 Not tainted 6.1.29-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:__queue_work+0xda4/0xf50 kernel/workqueue.c:1438
Code: 8b 3c 24 e8 ae 02 87 00 e9 f5 fc ff ff e8 c4 bd 30 00 89 ee 48 c7 c7 c0 5d dd 8c e8 b6 2e 06 03 e9 3a fc ff ff e8 ac bd 30 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 96 bd 30 00
RSP: 0018:ffffc900001e0b00 EFLAGS: 00010046
RAX: ffffffff81590724 RBX: 00000000000b0012 RCX: ffff8880210a3b80
RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff8159e995 R09: fffffbfff1ca5f7e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000008 R14: ffff88802353c800 R15: 1ffff9200003c174
FS:  00007f02593f7700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31a21000 CR3: 000000004fa34000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x19e/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers+0x6a8/0x890 kernel/time/timer.c:1790
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:unwind_next_frame+0xb94/0x2220 arch/x86/kernel/unwind_orc.c:535
Code: 03 0f b6 04 38 84 c0 0f 85 11 15 00 00 48 89 d8 48 c1 e8 03 0f b6 04 38 84 c0 0f 85 23 15 00 00 48 0f bf 45 00 48 01 44 24 08 <49> 8d 5d 01 41 0f b6 04 3f 84 c0 0f 85 cb 10 00 00 48 89 da 48 c1
RSP: 0018:ffffc90005a37260 EFLAGS: 00000282
RAX: 0000000000000058 RBX: ffffffff8f4b4709 RCX: ffffffff8eb6487c
RDX: ffffffff8f4b4708 RSI: ffffffff8946977c RDI: dffffc0000000000
RBP: ffffffff8f4b4708 R08: 0000000000000001 R09: ffffc90005a37430
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90005a37340
R13: ffffffff8f4b470c R14: ffffffff8eb64878 R15: 1ffffffff1e968e1
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486
 call_rcu+0x163/0xa10 kernel/rcu/tree.c:2799
 in6_dev_put include/net/addrconf.h:380 [inline]
 addrconf_ifdown+0x1915/0x1b90 net/ipv6/addrconf.c:3911
 addrconf_notify+0x3ec/0xf60
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 unregister_netdevice_many+0xefe/0x1870 net/core/dev.c:10842
 unregister_netdevice_queue+0x2e6/0x350 net/core/dev.c:10773
 unregister_netdevice include/linux/netdevice.h:3041 [inline]
 __tun_detach+0x6b4/0x15b0 drivers/net/tun.c:684
 tun_detach drivers/net/tun.c:700 [inline]
 tun_chr_close+0x104/0x1b0 drivers/net/tun.c:3469
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f025868c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f02593f7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f02587abf80 RCX: 00007f025868c169
RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004
RBP: 00007f02586e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff699d795f R14: 00007f02593f7300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 0f                	add    (%rdi),%ecx
   2:	b6 04                	mov    $0x4,%dh
   4:	38 84 c0 0f 85 11 15 	cmp    %al,0x1511850f(%rax,%rax,8)
   b:	00 00                	add    %al,(%rax)
   d:	48 89 d8             	mov    %rbx,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	0f b6 04 38          	movzbl (%rax,%rdi,1),%eax
  18:	84 c0                	test   %al,%al
  1a:	0f 85 23 15 00 00    	jne    0x1543
  20:	48 0f bf 45 00       	movswq 0x0(%rbp),%rax
  25:	48 01 44 24 08       	add    %rax,0x8(%rsp)
* 2a:	49 8d 5d 01          	lea    0x1(%r13),%rbx <-- trapping instruction
  2e:	41 0f b6 04 3f       	movzbl (%r15,%rdi,1),%eax
  33:	84 c0                	test   %al,%al
  35:	0f 85 cb 10 00 00    	jne    0x1106
  3b:	48 89 da             	mov    %rbx,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1