------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: CPU: 1 PID: 22966 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 22966 Comm: syz-executor Not tainted 6.16.0-rc5-syzkaller-00266-g3f31a806a62e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 f2 48 c7 c7 c0 05 ac 8b e8 45 44 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 a6 f3 37 00 90 0f 0b 90 e9 1b f6 ff
RSP: 0018:ffffc90000590be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ab108
RDX: ffff88801390c880 RSI: ffffffff817ab115 RDI: 0000000000000001
RBP: ffff888013918970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000b218f
R13: 0000000000000100 R14: ffff88806bc92978 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888097620000(0063) knlGS:00000000572f5440
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7fd55c0 CR3: 0000000052bf0000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2372
 __run_timer_base kernel/time/timer.c:2384 [inline]
 __run_timer_base kernel/time/timer.c:2376 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2393
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 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:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875
Code: ec 37 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 b2 8d 11 0f 0f 82 74 02 00 00 8b 35 7a bf 11 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 49 ec 37 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc900036ef0e0 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5c4c40 RCX: 000000002f17d697
RDX: 0000000000000000 RSI: ffffffff8de07322 RDI: ffffffff8c1578e0
RBP: 0000000000000002 R08: b6d9cbdbc142d105 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:841 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
 unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:319 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4148 [inline]
 slab_alloc_node mm/slub.c:4197 [inline]
 kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4204
 ptlock_alloc+0x1f/0x70 mm/memory.c:7174
 ptlock_init include/linux/mm.h:2939 [inline]
 pagetable_pte_ctor include/linux/mm.h:2988 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:78 [inline]
 pte_alloc_one+0x82/0x3a0 arch/x86/mm/pgtable.c:18
 __pte_alloc+0x6d/0x3c0 mm/memory.c:441
 copy_pte_range mm/memory.c:1112 [inline]
 copy_pmd_range mm/memory.c:1267 [inline]
 copy_pud_range mm/memory.c:1304 [inline]
 copy_p4d_range mm/memory.c:1328 [inline]
 copy_page_range+0x1aed/0x5740 mm/memory.c:1416
 dup_mmap+0xe88/0x21d0 mm/mmap.c:1838
 dup_mm kernel/fork.c:1477 [inline]
 copy_mm kernel/fork.c:1529 [inline]
 copy_process+0x4081/0x7650 kernel/fork.c:2169
 kernel_clone+0xfc/0x960 kernel/fork.c:2599
 __do_compat_sys_ia32_clone+0xcb/0x110 arch/x86/kernel/sys_ia32.c:254
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x7c/0x3a0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fe5579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000fffd3cdc EFLAGS: 00000292 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000572f54a8
RBP: 00000000f7473ff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	12 83 f8 07 0f 87    	adc    -0x78f0f808(%rbx),%al
   6:	bc 02 00 00 89       	mov    $0x89000002,%esp
   b:	c0 48 0f a3          	rorb   $0xa3,0xf(%rax)
   f:	05 b2 8d 11 0f       	add    $0xf118db2,%eax
  14:	0f 82 74 02 00 00    	jb     0x28e
  1a:	8b 35 7a bf 11 0f    	mov    0xf11bf7a(%rip),%esi        # 0xf11bf9a
  20:	85 f6                	test   %esi,%esi
  22:	0f 85 8d 00 00 00    	jne    0xb5
* 28:	48 8b 44 24 30       	mov    0x30(%rsp),%rax <-- trapping instruction
  2d:	65 48 2b 05 49 ec 37 	sub    %gs:0x1237ec49(%rip),%rax        # 0x1237ec7e
  34:	12
  35:	0f 85 c7 02 00 00    	jne    0x302
  3b:	48                   	rex.W
  3c:	83                   	.byte 0x83
  3d:	c4                   	.byte 0xc4