------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 3 PID: 18212 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 3 UID: 0 PID: 18212 Comm: syz.1.3266 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 f2 48 c7 c7 20 06 ac 8b e8 45 44 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 96 e9 37 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc900005e8be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ab108 RDX: ffff888061374880 RSI: ffffffff817ab115 RDI: 0000000000000001 RBP: ffff88804bf28970 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000bd18f R13: 0000000000000101 R14: ffff88806afbb178 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88809782d000(0063) knlGS:000000005702d440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000c2b345a CR3: 00000000720a0000 CR4: 0000000000352ef0 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+0x219/0x8e0 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:5265 Code: fb 09 00 00 44 8b 05 a9 16 20 0f 45 85 c0 0f 85 be 01 00 00 4c 89 e7 e8 a4 f6 ff ff e8 cf ad 39 00 fb 65 48 8b 1d 7e b9 45 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:ffffc9000c6f78b0 EFLAGS: 00000206 RAX: 000000000000057d RBX: ffff888061374880 RCX: ffffffff81c3235f RDX: 0000000000000000 RSI: ffffffff8de29c33 RDI: ffffffff8c155de0 RBP: ffffc9000c6f78f8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90a95b57 R11: 0000000000000001 R12: ffff88802b53a400 R13: ffff88801c300000 R14: 0000000000000001 R15: ffff88802b53b270 context_switch kernel/sched/core.c:5400 [inline] __schedule+0x1172/0x5dd0 kernel/sched/core.c:6786 __schedule_loop kernel/sched/core.c:6864 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6879 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_time32 kernel/futex/syscalls.c:509 [inline] __se_sys_futex_time32 kernel/futex/syscalls.c:492 [inline] __ia32_sys_futex_time32+0x1d9/0x460 kernel/futex/syscalls.c:492 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x7c/0x3a0 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf70be579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ff9222dc EFLAGS: 00000202 ORIG_RAX: 00000000000000f0 RAX: ffffffffffffffda RBX: 00000000f7454f8c RCX: 0000000000000080 RDX: 0000000000000000 RSI: 00000000ff9224b8 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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: a9 16 20 0f 45 test $0x450f2016,%eax c: 85 c0 test %eax,%eax 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 cf ad 39 00 call 0x39adf0 21: fb sti 22: 65 48 8b 1d 7e b9 45 mov %gs:0x1245b97e(%rip),%rbx # 0x1245b9a8 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