------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci3
WARNING: kernel/workqueue.c:2271 at __queue_work+0xd53/0x1020 kernel/workqueue.c:2269, CPU#1: syz.3.2988/17433
Modules linked in:
CPU: 1 UID: 0 PID: 17433 Comm: syz.3.2988 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__queue_work+0xd7e/0x1020 kernel/workqueue.c:2269
Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 13 81 a2 00 49 8b 75 00 49 81 c7 78 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 5a 26
RSP: 0018:ffffc90000a08c10 EFLAGS: 00010086
RAX: 1ffff1100500a951 RBX: 0000000000000008 RCX: ffff8880451b0000
RDX: ffff888076aa9978 RSI: ffffffff8aa023d0 RDI: ffffffff901440c0
RBP: 0000000000000100 R08: ffffffff90114ab7 R09: 1ffffffff2022956
R10: dffffc0000000000 R11: ffffffff818d68a0 R12: dffffc0000000000
R13: ffff888028054a88 R14: ffffffff901440c0 R15: ffff888076aa9978
FS:  00007fb61e04c6c0(0000) GS:ffff88812555f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe25bba3ff8 CR3: 000000007dfc8000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x67e/0x8b0 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
 handle_softirqs+0x22a/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:queue_work_on+0x162/0x1d0 kernel/workqueue.c:2410
Code: 00 4d 85 ed 75 16 e8 ed 4c 38 00 eb 15 e8 e6 4c 38 00 e8 71 4e 22 0a 4d 85 ed 74 ea e8 d7 4c 38 00 fb 65 48 8b 05 ee bb 8e 11 <48> 3b 44 24 18 75 56 89 d8 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90003376530 EFLAGS: 00000287
RAX: ebc2cca36fbceb00 RBX: ffff8880971da301 RCX: 0000000000080000
RDX: ffffc9000f3d5000 RSI: 00000000000073d3 RDI: 00000000000073d4
RBP: 0000000000000008 R08: ffffffff90114ab7 R09: 1ffffffff2022956
R10: dffffc0000000000 R11: fffffbfff2022957 R12: 0000000000000000
R13: 0000000000000200 R14: 0000000000000000 R15: 0000000001800001
 queue_work include/linux/workqueue.h:669 [inline]
 schedule_work include/linux/workqueue.h:730 [inline]
 nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:-1 [inline]
 nsim_fib_event_nb+0xf9d/0x1210 drivers/net/netdevsim/fib.c:1043
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223
 call_fib_notifiers+0x31/0x60 net/core/fib_notifier.c:36
 call_fib_entry_notifiers+0x158/0x200 net/ipv4/fib_trie.c:107
 fib_notify_alias_delete net/ipv4/fib_trie.c:1683 [inline]
 fib_table_delete+0xa6b/0xd60 net/ipv4/fib_trie.c:1739
 fib_magic+0x456/0x510 net/ipv4/fib_frontend.c:1136
 fib_del_ifaddr+0x1085/0x1460 net/ipv4/fib_frontend.c:1347
 fib_inetaddr_event+0xbb/0x190 net/ipv4/fib_frontend.c:1478
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380
 __inet_del_ifa+0x840/0xfe0 net/ipv4/devinet.c:450
 inet_del_ifa net/ipv4/devinet.c:487 [inline]
 inetdev_destroy net/ipv4/devinet.c:328 [inline]
 inetdev_event+0x647/0x1610 net/ipv4/devinet.c:1655
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline]
 call_netdevice_notifiers net/core/dev.c:2302 [inline]
 unregister_netdevice_many_notify+0x186a/0x2370 net/core/dev.c:12432
 unregister_netdevice_many net/core/dev.c:12495 [inline]
 unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12309
 unregister_netdevice include/linux/netdevice.h:3418 [inline]
 nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1134
 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1528
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1540 [inline]
 nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1eb/0x8c0 net/devlink/dev.c:462
 devlink_nl_reload_doit+0x9d4/0xc80 net/devlink/dev.c:585
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:721 [inline]
 __sock_sendmsg net/socket.c:736 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2585
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2639
 __sys_sendmsg net/socket.c:2671 [inline]
 __do_sys_sendmsg net/socket.c:2676 [inline]
 __se_sys_sendmsg net/socket.c:2674 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2674
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb61d19c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb61e04c028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb61d415fa0 RCX: 00007fb61d19c799
RDX: 0000000000000030 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007fb61d232c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb61d416038 R14: 00007fb61d415fa0 R15: 00007fff18d59688
 </TASK>
----------------
Code disassembly (best guess):
   0:	83 c5 18             	add    $0x18,%ebp
   3:	4c 89 e8             	mov    %r13,%rax
   6:	48 c1 e8 03          	shr    $0x3,%rax
   a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   f:	74 08                	je     0x19
  11:	4c 89 ef             	mov    %r13,%rdi
  14:	e8 13 81 a2 00       	call   0xa2812c
  19:	49 8b 75 00          	mov    0x0(%r13),%rsi
  1d:	49 81 c7 78 01 00 00 	add    $0x178,%r15
  24:	4c 89 f7             	mov    %r14,%rdi
  27:	4c 89 fa             	mov    %r15,%rdx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 83 c4 58          	add    $0x58,%rsp
  33:	5b                   	pop    %rbx
  34:	41 5c                	pop    %r12
  36:	41 5d                	pop    %r13
  38:	41 5e                	pop    %r14
  3a:	41 5f                	pop    %r15
  3c:	5d                   	pop    %rbp
  3d:	e9                   	.byte 0xe9
  3e:	5a                   	pop    %rdx
  3f:	26                   	es