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workqueue: cannot queue hci_conn_timeout on wq hci5
WARNING: kernel/workqueue.c:2353 at __queue_work+0xd83/0x10d0 kernel/workqueue.c:2352, CPU#1: modprobe/6076
Modules linked in:
CPU: 1 UID: 0 PID: 6076 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:__queue_work+0xd9f/0x10d0 kernel/workqueue.c:2352
Code: 49 81 c7 70 01 00 00 4c 8d 35 2d cc ee 0e 48 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 6b 8f a9 00 49 8b 75 18 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ef e8
RSP: 0018:ffffc90000a18bc0 EFLAGS: 00010046
RAX: 1ffff1100416594d RBX: dffffc0000000000 RCX: ffff888078528000
RDX: ffff88802a77d170 RSI: ffffffff8ad7a1a0 RDI: ffffffff907d0770
RBP: 0000000000010000 R08: 0000000000000100 R09: 1ffffffff20f464f
R10: dffffc0000000000 R11: ffffffff818e4260 R12: 0000000000000008
R13: ffff888020b2ca50 R14: ffffffff907d0770 R15: ffff88802a77d170
FS:  0000000000000000(0000) GS:ffff888124dd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd3f84bff8 CR3: 000000007e9b6000 CR4: 0000000000350ef0
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+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 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:_compound_head include/linux/page-flags.h:226 [inline]
RIP: 0010:free_pages_and_swap_cache+0x198/0x490 mm/swap_state.c:583
Code: 80 3c 2f 00 74 08 4c 89 f7 e8 f4 0c 09 00 4c 89 74 24 38 4d 8b 2e 49 83 e5 fc 49 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <74> 05 e8 d1 0c 09 00 49 8b 45 08 41 89 c6 41 83 e6 01 49 ff ce 49
RSP: 0018:ffffc9000209f740 EFLAGS: 00000246
RAX: 1ffffd4000074f39 RBX: 000000000000007c RCX: 000000000000007c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00003a79c8
RBP: ffffc9000209f9d0 R08: ffff8880b87416c3 R09: 1ffff110170e82d8
R10: dffffc0000000000 R11: ffffed10170e82d9 R12: dffffc0000000000
R13: ffffea00003a79c0 R14: ffff88806edcd3f0 R15: 1ffff1100ddb9a7e
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:138 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:151 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:417 [inline]
 tlb_flush_mmu+0x6d3/0xa30 mm/mmu_gather.c:424
 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549
 exit_mmap+0x4b2/0x9f0 mm/mmap.c:1328
 __mmput+0x118/0x420 kernel/fork.c:1193
 exit_mm+0x221/0x2d0 kernel/exit.c:617
 do_exit+0x6cd/0x2360 kernel/exit.c:999
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1154
 __do_sys_exit_group kernel/exit.c:1165 [inline]
 __se_sys_exit_group kernel/exit.c:1163 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1163
 x64_sys_call+0x18c6/0x18d0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fca455346c5
Code: Unable to access opcode bytes at 0x7fca4553469b.
RSP: 002b:00007ffca36a8568 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fca45635fe8 RCX: 00007fca455346c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
RBP: 0000000000000001 R08: 00007ffca36a84f8 R09: 0000000000000000
R10: 00007ffca36a8390 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fca45634680 R15: 00007fca45636000
 </TASK>
----------------
Code disassembly (best guess):
   0:	49 81 c7 70 01 00 00 	add    $0x170,%r15
   7:	4c 8d 35 2d cc ee 0e 	lea    0xeeecc2d(%rip),%r14        # 0xeeecc3b
   e:	48 89 f8             	mov    %rdi,%rax
  11:	48 c1 e8 03          	shr    $0x3,%rax
  15:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  19:	74 05                	je     0x20
  1b:	e8 6b 8f a9 00       	call   0xa98f8b
  20:	49 8b 75 18          	mov    0x18(%r13),%rsi
  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:	4c 89 e8             	mov    %r13,%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 ef             	mov    %r13,%rdi
  3f:	e8                   	.byte 0xe8