------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci6 WARNING: CPU: 0 PID: 21944 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 21944 Comm: syz.1.3513 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Code: 42 80 3c 20 00 74 08 4c 89 ef e8 a9 d6 98 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 e0 e0 89 8b 4c 89 fa e8 1f 34 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 d0 53 35 00 90 0f 0b 90 e9 dd fc ff RSP: 0018:ffffc90000007b08 EFLAGS: 00010046 RAX: f432db3c611ea400 RBX: 0000000000000100 RCX: ffff88802c923c00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 1ffff110065e8938 R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: dffffc0000000000 R13: ffff888020bc8988 R14: 0000000000000008 R15: ffff888032f44978 FS: 00007f03fd9186c0(0000) GS:ffff888125c1d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31208ff8 CR3: 000000005ce81000 CR4: 0000000000350ef0 Call Trace: call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 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+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:114 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:128 [inline] RIP: 0010:lock_acquire+0xda/0x360 kernel/locking/lockdep.c:5867 Code: a0 92 83 b8 ec 0a 00 00 00 0f 85 d5 00 00 00 48 c7 44 24 30 00 00 00 00 9c 8f 44 24 30 4c 89 74 24 10 4d 89 fe 4c 8b 7c 24 30 48 c7 c7 d6 ae 9a 8d e8 29 f4 d0 09 65 ff 05 42 41 02 11 45 31 RSP: 0018:ffffc9000bb77a20 EFLAGS: 00000246 RAX: ffff88802c923c00 RBX: 0000000000000000 RCX: f432db3c611ea400 RDX: 0000000000000000 RSI: ffffffff8b7074a2 RDI: 1ffff110044693a2 RBP: ffffffff81c092ea R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff5200176ef79 R12: 0000000000000000 R13: ffff888022349d10 R14: 0000000000000001 R15: 0000000000000246 __mutex_lock_common kernel/locking/mutex.c:602 [inline] __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:747 seccomp_do_user_notification kernel/seccomp.c:1155 [inline] __seccomp_filter+0x65a/0x1a40 kernel/seccomp.c:1322 syscall_trace_enter+0xaa/0x160 kernel/entry/common.c:52 syscall_enter_from_user_mode_work include/linux/entry-common.h:170 [inline] syscall_enter_from_user_mode include/linux/entry-common.h:200 [inline] do_syscall_64+0xd3/0x3b0 arch/x86/entry/syscall_64.c:90 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f03fcb8e929 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:00007f03fd9180e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f03fcdb6168 RCX: 00007f03fcb8e929 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f03fcdb6168 RBP: 00007f03fcdb6160 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f03fcdb616c R13: 0000000000000000 R14: 00007fffcfbb0c60 R15: 00007fffcfbb0d48 ---------------- Code disassembly (best guess): 0: a0 92 83 b8 ec 0a 00 movabs 0xaecb88392,%al 7: 00 00 9: 0f 85 d5 00 00 00 jne 0xe4 f: 48 c7 44 24 30 00 00 movq $0x0,0x30(%rsp) 16: 00 00 18: 9c pushf 19: 8f 44 24 30 pop 0x30(%rsp) 1d: 4c 89 74 24 10 mov %r14,0x10(%rsp) 22: 4d 89 fe mov %r15,%r14 25: 4c 8b 7c 24 30 mov 0x30(%rsp),%r15 * 2a: fa cli <-- trapping instruction 2b: 48 c7 c7 d6 ae 9a 8d mov $0xffffffff8d9aaed6,%rdi 32: e8 29 f4 d0 09 call 0x9d0f460 37: 65 ff 05 42 41 02 11 incl %gs:0x11024142(%rip) # 0x11024180 3e: 45 rex.RB 3f: 31 .byte 0x31