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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: kernel/workqueue.c:2298 at __queue_work+0xd3f/0x1040 kernel/workqueue.c:2296, CPU#0: dhcpcd/5337
Modules linked in:
CPU: 0 UID: 0 PID: 5337 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__queue_work+0xd67/0x1040 kernel/workqueue.c:2296
Code: a6 0e 49 8d 7d 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 ea 78 a5 00 49 8b 75 18 49 81 c7 70 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef
RSP: 0018:ffffc90000007bd8 EFLAGS: 00010082
RAX: 1ffff11007f4a14e RBX: 0000000000000008 RCX: ffff88801fbeca80
RDX: ffff888012e03170 RSI: ffffffff8a9c7a50 RDI: ffffffff90334cb0
RBP: 0000000000000100 R08: ffffffff90304df7 R09: 1ffffffff20609be
R10: dffffc0000000000 R11: ffffffff818d37e0 R12: dffffc0000000000
R13: ffff88803fa50a58 R14: ffffffff90334cb0 R15: ffff888012e03170
FS:  0000000000000000(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557633279010 CR3: 000000001247b000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x192/0x5e0 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+0x22a/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x3a/0xb0 kernel/rcu/tree.c:752
Code: e8 cb a4 fe 09 89 c3 83 f8 08 73 65 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 90 77 26 8e 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 dc dc 87 00 48 c7 c3 d8 29 3a 93 49 03 1e 48 89
RSP: 0018:ffffc9000369f4e0 EFLAGS: 00000246
RAX: 1ffffffff1c4cef2 RBX: 0000000000000000 RCX: 0000000080000002
RDX: 0000000000000004 RSI: ffffffff8c28cdc0 RDI: ffffffff8c28cd80
RBP: 0000000000000011 R08: ffffffff90304df7 R09: 1ffffffff20609be
R10: dffffc0000000000 R11: fffffbfff20609bf R12: ffff888030448048
R13: ffff8880304486a0 R14: ffffffff8e267790 R15: dffffc0000000000
 rcu_read_unlock include/linux/rcupdate.h:867 [inline]
 lruvec_stat_mod_folio+0x247/0x3e0 mm/memcontrol.c:994
 __folio_mod_stat mm/rmap.c:1336 [inline]
 __folio_remove_rmap mm/rmap.c:1873 [inline]
 folio_remove_rmap_ptes+0x352/0xe70 mm/rmap.c:1900
 zap_present_folio_ptes mm/memory.c:1672 [inline]
 zap_present_ptes mm/memory.c:1730 [inline]
 do_zap_pte_range mm/memory.c:1832 [inline]
 zap_pte_range mm/memory.c:1934 [inline]
 zap_pmd_range mm/memory.c:2020 [inline]
 zap_pud_range mm/memory.c:2048 [inline]
 zap_p4d_range mm/memory.c:2069 [inline]
 __zap_vma_range+0x20e6/0x4b70 mm/memory.c:2109
 unmap_vmas+0x3ac/0x570 mm/memory.c:2178
 exit_mmap+0x280/0x9e0 mm/mmap.c:1300
 __mmput+0x118/0x430 kernel/fork.c:1178
 exit_mm+0x1f6/0x2d0 kernel/exit.c:582
 do_exit+0x6a2/0x22c0 kernel/exit.c:964
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119
 __do_sys_exit_group kernel/exit.c:1130 [inline]
 __se_sys_exit_group kernel/exit.c:1128 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1128
 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b455b76c5
Code: Unable to access opcode bytes at 0x7f4b455b769b.
RSP: 002b:00007ffdcb0b5e68 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b455b76c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
RBP: 00007ffdcb0b6478 R08: 00005576332662c0 R09: 0000000000000002
R10: 00000000000000e0 R11: 0000000000000206 R12: 00007ffdcb0b5eb0
R13: 00005576332678a0 R14: 00007ffdcb0b60f0 R15: 00007ffdcb0b5ea0
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	49 8d 7d 18          	lea    0x18(%r13),%rdi
   4:	48 89 f8             	mov    %rdi,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  10:	74 05                	je     0x17
  12:	e8 ea 78 a5 00       	call   0xa57901
  17:	49 8b 75 18          	mov    0x18(%r13),%rsi
  1b:	49 81 c7 70 01 00 00 	add    $0x170,%r15
  22:	4c 89 f7             	mov    %r14,%rdi
  25:	4c 89 fa             	mov    %r15,%rdx
* 28:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2d:	4c 89 e8             	mov    %r13,%rax
  30:	48 c1 e8 03          	shr    $0x3,%rax
  34:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  39:	74 08                	je     0x43
  3b:	4c 89 ef             	mov    %r13,%rdi