------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2352 at __queue_work+0xdb7/0x1370 kernel/workqueue.c:2351, CPU#1: syz.0.2981/21172
Modules linked in:
CPU: 1 UID: 0 PID: 21172 Comm: syz.0.2981 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026
RIP: 0010:__queue_work+0xdbb/0x1370 kernel/workqueue.c:2351
Code: 00 00 00 fc ff df 49 8d 94 24 70 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 84 05 00 00 48 8d 3d 09 d9 77 0f 48 8b 75 18 <67> 48 0f b9 3a 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03
RSP: 0018:ffffc90000a18b68 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11008ebd14e
RDX: ffff888052479170 RSI: ffffffff8ac39bc0 RDI: ffffffff914873a0
RBP: ffff8880475e8a58 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff888052479000
R13: 1ffff92000143177 R14: 0000000000000000 R15: ffffffff81d0a060
FS:  00007f7d7f1766c0(0000) GS:ffff888123c4c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005596d000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1794 [inline]
 __run_timers+0x570/0xb00 kernel/time/timer.c:2374
 __run_timer_base kernel/time/timer.c:2386 [inline]
 __run_timer_base kernel/time/timer.c:2378 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2395
 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 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+0xa3/0xc0 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:kasan_byte_accessible+0x1a/0x30 mm/kasan/generic.c:212
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 0f b6 07 3c 07 <0f> 96 c0 e9 19 ad 91 fe 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc900047c6980 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82884fd4 RDI: ffffed10170a7ae0
RBP: ffff8880b853d700 R08: 0000000000000001 R09: 0000000000000000
R10: ffffea00012cd907 R11: 0000000000000001 R12: ffffffff82884fd4
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:584
 kasan_check_byte include/linux/kasan.h:402 [inline]
 lock_acquire kernel/locking/lockdep.c:5916 [inline]
 lock_acquire+0x132/0x380 kernel/locking/lockdep.c:5899
 local_trylock_acquire include/linux/local_lock_internal.h:53 [inline]
 consume_stock mm/memcontrol.c:2132 [inline]
 try_charge_memcg+0x1a4/0xf60 mm/memcontrol.c:2661
 charge_memcg+0x1ae/0x210 mm/memcontrol.c:5210
 __mem_cgroup_charge+0x2b/0x1c0 mm/memcontrol.c:5227
 mem_cgroup_charge include/linux/memcontrol.h:662 [inline]
 shmem_alloc_and_add_folio+0x451/0xd40 mm/shmem.c:1988
 shmem_get_folio_gfp+0x75b/0x1980 mm/shmem.c:2531
 shmem_get_folio mm/shmem.c:2637 [inline]
 shmem_write_begin+0x1a4/0x420 mm/shmem.c:3268
 generic_perform_write+0x292/0xa40 mm/filemap.c:4374
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3443
 __kernel_write_iter+0x2ac/0x930 fs/read_write.c:621
 dump_emit_page fs/coredump.c:1293 [inline]
 dump_user_range+0x3f9/0xad0 fs/coredump.c:1367
 elf_core_dump+0x2d68/0x3d20 fs/binfmt_elf.c:2106
 coredump_write fs/coredump.c:1047 [inline]
 do_coredump fs/coredump.c:1126 [inline]
 vfs_coredump+0x281a/0x54a0 fs/coredump.c:1195
 get_signal+0x1f2a/0x21e0 kernel/signal.c:3097
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x402/0xa10 kernel/entry/common.c:165
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x4c5047
Code: Unable to access opcode bytes at 0x4c501d.
RSP: 002b:00002000000002c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f7d81226180 RCX: 00007f7d80f9e159
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000000
RBP: 00007f7d8103506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7d81226218 R14: 00007f7d81226180 R15: 00007fff3fe21028
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 fc                	add    %bh,%ah
   4:	ff                   	lcall  (bad)
   5:	df 49 8d             	fisttps -0x73(%rcx)
   8:	94                   	xchg   %eax,%esp
   9:	24 70                	and    $0x70,%al
   b:	01 00                	add    %eax,(%rax)
   d:	00 48 89             	add    %cl,-0x77(%rax)
  10:	f9                   	stc
  11:	48 c1 e9 03          	shr    $0x3,%rcx
  15:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  19:	0f 85 84 05 00 00    	jne    0x5a3
  1f:	48 8d 3d 09 d9 77 0f 	lea    0xf77d909(%rip),%rdi        # 0xf77d92f
  26:	48 8b 75 18          	mov    0x18(%rbp),%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  36:	fc ff df
  39:	48 89 ea             	mov    %rbp,%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx