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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 1 PID: 8858 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 8858 Comm: syz-executor Not tainted 6.15.0-syzkaller-gc11f34e30088 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__queue_work+0xd62/0xfe0 kernel/workqueue.c:2256
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 89 59 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 e0 89 8b 4c 89 fa e8 1f 34 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 60 8b 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000a08b08 EFLAGS: 00010046
RAX: be9a62d907b01b00 RBX: 0000000000000100 RCX: ffff888026335a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100f92f838 R08: ffff8880b8724293 R09: 1ffff110170e4852
R10: dffffc0000000000 R11: ffffed10170e4853 R12: dffffc0000000000
R13: ffff88805f8a4948 R14: 0000000000000008 R15: ffff88807c97c178
FS:  000055558eaca500(0000) GS:ffff888125d54000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c008415000 CR3: 00000000777a8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x646/0x860 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:radix_tree_descend lib/radix-tree.c:88 [inline]
RIP: 0010:idr_get_free+0x340/0xa70 lib/radix-tree.c:1518
Code: 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 b7 03 00 00 fe 03 eb 05 e8 90 05 5f f6 4c 89 e3 48 83 e3 fd 49 c1 ec 03 43 0f b6 04 2c <84> c0 0f 85 a9 02 00 00 44 0f b6 23 bf 40 00 00 00 44 89 e6 e8 67
RSP: 0018:ffffc900035969a0 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffff88806d10ec00 RCX: ffff888026335a00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: 0000000000000033 R08: ffff88802750582f R09: 1ffff11004ea0b05
R10: dffffc0000000000 R11: ffffed1004ea0b06 R12: 1ffff1100da21d80
R13: dffffc0000000000 R14: ffff8880275057c0 R15: 0000000000043ce2
 idr_alloc_u32+0x159/0x2d0 lib/idr.c:46
 idr_alloc_cyclic+0x9b/0x1b0 lib/idr.c:125
 __kernfs_new_node+0x12d/0x7e0 fs/kernfs/dir.c:643
 kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:713
 kernfs_create_link+0xa7/0x200 fs/kernfs/symlink.c:39
 sysfs_do_create_link_sd+0x83/0x110 fs/sysfs/symlink.c:44
 macvtap_device_event+0x355/0x410 drivers/net/macvtap.c:182
 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers net/core/dev.c:2282 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11142
 macvlan_common_newlink+0x120a/0x1980 drivers/net/macvlan.c:1540
 macvtap_newlink+0x13c/0x1b0 drivers/net/macvtap.c:108
 rtnl_newlink_create+0x30d/0xb00 net/core/rtnetlink.c:3823
 __rtnl_newlink net/core/rtnetlink.c:3940 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6944
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:727
 __sys_sendto+0x3bd/0x520 net/socket.c:2180
 __do_sys_sendto net/socket.c:2187 [inline]
 __se_sys_sendto net/socket.c:2183 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2183
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f622f5907bc
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffc4229ce00 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f62302e4620 RCX: 00007f622f5907bc
RDX: 0000000000000044 RSI: 00007f62302e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc4229ce54 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f62302e4670 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c1 e8 03          	shr    $0x3,%rax
   4:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   9:	84 c0                	test   %al,%al
   b:	0f 85 b7 03 00 00    	jne    0x3c8
  11:	fe 03                	incb   (%rbx)
  13:	eb 05                	jmp    0x1a
  15:	e8 90 05 5f f6       	call   0xf65f05aa
  1a:	4c 89 e3             	mov    %r12,%rbx
  1d:	48 83 e3 fd          	and    $0xfffffffffffffffd,%rbx
  21:	49 c1 ec 03          	shr    $0x3,%r12
  25:	43 0f b6 04 2c       	movzbl (%r12,%r13,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	0f 85 a9 02 00 00    	jne    0x2db
  32:	44 0f b6 23          	movzbl (%rbx),%r12d
  36:	bf 40 00 00 00       	mov    $0x40,%edi
  3b:	44 89 e6             	mov    %r12d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	67                   	addr32