------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci3 WARNING: CPU: 0 PID: 3576 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254 Modules linked in: CPU: 0 UID: 0 PID: 3576 Comm: syz.0.7519 Not tainted 6.17.0-rc1-syzkaller-00116-gd7ee5bdce789 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 c0 00 ac 8b e8 1e 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 8f 7f 38 00 90 0f 0b 90 e9 b4 f5 ff RSP: 0018:ffffc90000007be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3358 RDX: ffff888032002440 RSI: ffffffff817a3365 RDI: 0000000000000001 RBP: ffff888054e04970 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000000495d0 R12: 1ffff92000000f8f R13: 0000000000000101 R14: ffffffff81832500 R15: ffff888079d0e178 FS: 00005555673cf500(0000) GS:ffff8881246bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f772a579000 CR3: 0000000056c68000 CR4: 00000000003526f0 Call Trace: call_timer_fn+0x197/0x620 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers+0x569/0x960 kernel/time/timer.c:2372 __run_timer_base kernel/time/timer.c:2384 [inline] __run_timer_base kernel/time/timer.c:2376 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2393 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:finish_task_switch.isra.0+0x22a/0xc10 kernel/sched/core.c:5225 Code: fb 09 00 00 44 8b 05 69 5f 22 0f 45 85 c0 0f 85 be 01 00 00 4c 89 e7 e8 a4 f6 ff ff e8 df 6e 3a 00 fb 65 48 8b 1d fe 34 4d 12 <48> 8d bb 18 16 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffffc90004a978c0 EFLAGS: 00000206 RAX: 000000000000a7f9 RBX: ffff888032002440 RCX: ffffffff81c378ef RDX: 0000000000000000 RSI: ffffffff8de4f2bd RDI: ffffffff8c162580 RBP: ffffc90004a97908 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90ab3897 R11: 0000000000000000 R12: ffff8880b843a300 R13: ffff88804c4a8000 R14: ffff8880b843a300 R15: ffff8880b843b170 context_switch kernel/sched/core.c:5360 [inline] __schedule+0x1198/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 futex_do_wait+0x88/0x180 kernel/futex/waitwake.c:358 __futex_wait+0x1b9/0x2f0 kernel/futex/waitwake.c:687 futex_wait+0xe8/0x380 kernel/futex/waitwake.c:715 do_futex+0x229/0x350 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex kernel/futex/syscalls.c:160 [inline] __x64_sys_futex+0x1e0/0x4c0 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe3c878ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdee979df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00000000001dbe3e RCX: 00007fe3c878ebe9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe3c89b5fac RBP: 0000000000000032 R08: 00007fe3c95e6000 R09: 00000015ee97a0ef R10: 00007ffdee979ef0 R11: 0000000000000246 R12: 00007fe3c89b5fac R13: 00007ffdee979ef0 R14: 00000000001dbe70 R15: 00007ffdee979f10 ---------------- Code disassembly (best guess): 0: fb sti 1: 09 00 or %eax,(%rax) 3: 00 44 8b 05 add %al,0x5(%rbx,%rcx,4) 7: 69 5f 22 0f 45 85 c0 imul $0xc085450f,0x22(%rdi),%ebx e: 0f 85 be 01 00 00 jne 0x1d2 14: 4c 89 e7 mov %r12,%rdi 17: e8 a4 f6 ff ff call 0xfffff6c0 1c: e8 df 6e 3a 00 call 0x3a6f00 21: fb sti 22: 65 48 8b 1d fe 34 4d mov %gs:0x124d34fe(%rip),%rbx # 0x124d3528 29: 12 * 2a: 48 8d bb 18 16 00 00 lea 0x1618(%rbx),%rdi <-- trapping instruction 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df 3b: 48 89 fa mov %rdi,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1