------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: kernel/workqueue.c:2437 at __queue_work+0xdfc/0x1360 kernel/workqueue.c:2436, CPU#1: syz-executor/16241
Modules linked in:
CPU: 1 UID: 0 PID: 16241 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__queue_work+0xe1a/0x1360 kernel/workqueue.c:2436
Code: 28 78 01 00 00 4c 8d 35 74 98 f0 0f 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 42 0c ab 00 49 8b 77 18 4c 89 f7 48 8b 54 24 28 <67> 48 0f b9 3a 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8
RSP: 0018:ffffc90000a08be8 EFLAGS: 00010046
RAX: 1ffff11011dbb94e RBX: dffffc0000000000 RCX: ffff888040028000
RDX: ffff88803bbd5978 RSI: ffffffff8ae29680 RDI: ffffffff917ee9f0
RBP: 0000000000010000 R08: 0000000000000100 R09: 1ffffffff22f8257
R10: dffffc0000000000 R11: ffffffff818e5ab0 R12: ffff88803bbd59c0
R13: 0000000000000008 R14: ffffffff917ee9f0 R15: ffff88808eddca58
FS:  0000555587dec500(0000) GS:ffff888123b6b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c398086 CR3: 0000000026812000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers kernel/time/timer.c:2374 [inline]
 __run_timer_base+0x67e/0x8b0 kernel/time/timer.c:2386
 run_timer_base kernel/time/timer.c:2395 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
 handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 invoke_softirq kernel/softirq.c:542 [inline]
 __irq_exit_rcu+0xc6/0x220 kernel/softirq.c:786
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:_raw_spin_lock+0x0/0x40 kernel/locking/spinlock.c:172
Code: be 01 02 00 00 e8 c0 c2 91 f5 31 ed 89 e8 5b 41 5e 5d c3 cc cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 53 48 89 fb bf 01 00 00 00 e8 be 1b 9e f5 48 8d 7b 18
RSP: 0018:ffffc9000252ed68 EFLAGS: 00000282
RAX: ffffffff89bd113e RBX: ffff888065f88820 RCX: ffff888040028000
RDX: 0000000000000000 RSI: 0000000000000543 RDI: ffffffff9126c4c0
RBP: ffff88804e8a8000 R08: ffffc9000252ec67 R09: 1ffff920004a5d8c
R10: dffffc0000000000 R11: fffff520004a5d8d R12: 00000000000005fc
R13: dffffc0000000000 R14: ffff88804e8a80d0 R15: 0000000000000543
 spin_lock include/linux/spinlock.h:347 [inline]
 dev_add_pack+0x16f/0x280 net/core/dev.c:669
 batadv_hardif_enable_interface+0xa8f/0xf00 net/batman-adv/hard-interface.c:857
 do_set_master+0x563/0x720 net/core/rtnetlink.c:3099
 do_setlink+0xe7b/0x47a0 net/core/rtnetlink.c:3301
 rtnl_changelink net/core/rtnetlink.c:3942 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4113 [inline]
 rtnl_newlink+0x15b0/0x1c30 net/core/rtnetlink.c:4252
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7169
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2576
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x8ef/0xa80 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800
 __sock_sendmsg net/socket.c:818 [inline]
 __sys_sendto+0x408/0x5a0 net/socket.c:2283
 __do_sys_sendto net/socket.c:2290 [inline]
 __se_sys_sendto net/socket.c:2286 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2286
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff078d5fd8e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fff009710a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000555587dec500 RCX: 00007ff078d5fd8e
RDX: 0000000000000028 RSI: 00007ff079b54670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007fff00971124 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007ff079b54670 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	28 78 01             	sub    %bh,0x1(%rax)
   3:	00 00                	add    %al,(%rax)
   5:	4c 8d 35 74 98 f0 0f 	lea    0xff09874(%rip),%r14        # 0xff09880
   c:	48 89 f8             	mov    %rdi,%rax
   f:	48 c1 e8 03          	shr    $0x3,%rax
  13:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  17:	74 05                	je     0x1e
  19:	e8 42 0c ab 00       	call   0xab0c60
  1e:	49 8b 77 18          	mov    0x18(%r15),%rsi
  22:	4c 89 f7             	mov    %r14,%rdi
  25:	48 8b 54 24 28       	mov    0x28(%rsp),%rdx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	4c 89 f8             	mov    %r15,%rax
  32:	48 c1 e8 03          	shr    $0x3,%rax
  36:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  3a:	74 08                	je     0x44
  3c:	4c 89 ff             	mov    %r15,%rdi
  3f:	e8                   	.byte 0xe8