------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2256 at __queue_work+0xd38/0xfb0 kernel/workqueue.c:2254, CPU#1: rm/6006
Modules linked in:
CPU: 1 UID: 0 PID: 6006 Comm: rm Not tainted 6.16.0-next-20250804-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__queue_work+0xd38/0xfb0 kernel/workqueue.c:2254
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 f3 0d 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 c0 de a9 8b 4c 89 fa e8 49 3a f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 6a a3 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000a08b10 EFLAGS: 00010046
RAX: dde1803273ef5700 RBX: 0000000000000100 RCX: ffff88802e3f3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff110060a5e38 R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff8880332b4988 R14: 0000000000000008 R15: ffff88803052f178
FS:  0000000000000000(0000) GS:ffff8881258de000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdc351dfcc CR3: 00000000339c0000 CR4: 00000000003526f0
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+0x283/0x870 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:unwind_next_frame+0x5/0x2390 arch/x86/kernel/unwind_orc.c:469
Code: e1 07 80 c1 03 38 c1 7c 92 48 89 df e8 b4 5c b0 00 eb 88 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 48 81 ec 98 00 00 00 49 89 fe 48 bd 00
RSP: 0018:ffffc90003b56e78 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90003b56f40 RCX: dde1803273ef5700
RDX: dffffc0000000000 RSI: ffffffff8214db34 RDI: ffffc90003b56e88
RBP: ffffc90003b56f10 R08: ffffc90003b56f50 R09: 0000000000000007
R10: ffffc90003b56ed8 R11: ffffffff81ac9040 R12: ffff88802e3f3c00
R13: ffff888032f6a400 R14: ffffffff81ac9040 R15: ffffc90003b56e88
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:330 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:356
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4180 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4236
 mt_alloc_one lib/maple_tree.c:176 [inline]
 mas_alloc_nodes+0x2e9/0x8e0 lib/maple_tree.c:1255
 mas_node_count_gfp lib/maple_tree.c:1337 [inline]
 mas_preallocate+0x3ad/0x6f0 lib/maple_tree.c:5537
 vma_iter_prealloc mm/vma.h:462 [inline]
 __split_vma+0x2fa/0xa00 mm/vma.c:528
 vms_gather_munmap_vmas+0x2ea/0x12f0 mm/vma.c:1359
 __mmap_prepare mm/vma.c:2359 [inline]
 __mmap_region mm/vma.c:2651 [inline]
 mmap_region+0x724/0x20c0 mm/vma.c:2739
 do_mmap+0xc45/0x10d0 mm/mmap.c:558
 vm_mmap_pgoff+0x2a6/0x4d0 mm/util.c:580
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604
 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: 0033:0x7fc2a4e20242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffdc351dc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fc2a4d42000 RCX: 00007fc2a4e20242
RDX: 0000000000000005 RSI: 0000000000086000 RDI: 00007fc2a4d42000
RBP: 0000000000000812 R08: 0000000000000003 R09: 0000000000010000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffdc351dc78
R13: 00007fc2a4df40c0 R14: 00007ffdc351e030 R15: 00000fffb86a3b88
 </TASK>
----------------
Code disassembly (best guess):
   0:	e1 07                	loope  0x9
   2:	80 c1 03             	add    $0x3,%cl
   5:	38 c1                	cmp    %al,%cl
   7:	7c 92                	jl     0xffffff9b
   9:	48 89 df             	mov    %rbx,%rdi
   c:	e8 b4 5c b0 00       	call   0xb05cc5
  11:	eb 88                	jmp    0xffffff9b
  13:	66 90                	xchg   %ax,%ax
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	f3 0f 1e fa          	endbr64
  29:	55                   	push   %rbp
* 2a:	41 57                	push   %r15 <-- trapping instruction
  2c:	41 56                	push   %r14
  2e:	41 55                	push   %r13
  30:	41 54                	push   %r12
  32:	53                   	push   %rbx
  33:	48 81 ec 98 00 00 00 	sub    $0x98,%rsp
  3a:	49 89 fe             	mov    %rdi,%r14
  3d:	48                   	rex.W
  3e:	bd                   	.byte 0xbd