------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci6
WARNING: kernel/workqueue.c:2252 at 0x0, CPU#0: syz.8.3048/17765
Modules linked in:
CPU: 0 UID: 0 PID: 17765 Comm: syz.8.3048 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__queue_work+0xd4b/0xf90 kernel/workqueue.c:2250
Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 16 ca 9c 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 c3 cc cc
RSP: 0018:ffffc90000007b10 EFLAGS: 00010086
RAX: 1ffff11005116951 RBX: 0000000000000008 RCX: ffff88803037bd00
RDX: ffff88806af32978 RSI: ffffffff8a44b4e0 RDI: ffffffff8f8340d0
RBP: 0000000000000100 R08: ffffffff8f805a77 R09: 1ffffffff1f00b4e
R10: dffffc0000000000 R11: ffffffff818a6b40 R12: dffffc0000000000
R13: ffff8880288b4a88 R14: ffffffff8f8340d0 R15: ffff88806af32978
FS:  0000000000000000(0000) GS:ffff8881260b1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27e795 CR3: 000000000dd3a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x646/0x860 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404
 handle_softirqs+0x27d/0x850 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 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:ptep_get include/linux/pgtable.h:340 [inline]
RIP: 0010:do_zap_pte_range mm/memory.c:1792 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1855 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1947 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1976 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1997 [inline]
RIP: 0010:unmap_page_range+0xd45/0x4370 mm/memory.c:2018
Code: 28 00 00 48 b9 00 00 00 00 00 fc ff df 4c 8b 74 24 18 4c 89 f0 48 c1 e8 03 80 3c 08 00 74 08 4c 89 f7 e8 0e 87 1a 00 4d 8b 3e <4c> 89 7c 24 50 4c 89 e3 4c 29 eb 48 c1 eb 0c 4c 89 fe 48 83 e6 9f
RSP: 0018:ffffc90002f57380 EFLAGS: 00000246
RAX: 1ffff11004a6d110 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002f57630 R08: ffffea0001ad6733 R09: 1ffffd400035ace6
R10: dffffc0000000000 R11: fffff9400035ace7 R12: 000000110c400000
R13: 000000110c310000 R14: ffff888025368880 R15: 800000006b59b025
 unmap_single_vma mm/memory.c:2061 [inline]
 unmap_vmas+0x399/0x580 mm/memory.c:2105
 exit_mmap+0x23b/0xb20 mm/mmap.c:1280
 __mmput+0x118/0x430 kernel/fork.c:1130
 exit_mm+0x1da/0x2c0 kernel/exit.c:583
 do_exit+0x658/0x2310 kernel/exit.c:961
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1114
 get_signal+0x1285/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca2938f749
Code: Unable to access opcode bytes at 0x7fca2938f71f.
RSP: 002b:00007fca2a17bfe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038
RAX: fffffffffffffffc RBX: 00007fca295e5fa0 RCX: 00007fca2938f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000160480
RBP: 00007fca29413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fca295e6038 R14: 00007fca295e5fa0 R15: 00007ffebb2af6d8
 </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 16 ca 9c 00       	call   0x9cca2f
  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:	c3                   	ret
  3e:	cc                   	int3
  3f:	cc                   	int3