------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: CPU: 1 PID: 8627 at kernel/workqueue.c:2258 __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 8627 Comm: modprobe Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 lr : __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 sp : ffff800080017b20 x29: ffff800080017b70 x28: dfff800000000000 x27: ffff700010002f84 x26: ffff0000d1464800 x25: dfff800000000000 x24: 0000000000000008 x23: ffff0000d14649c0 x22: 0000000000000100 x21: 1fffe0001a28c938 x20: ffff800092c65000 x19: ffff0000c73b8988 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008ae69508 x15: ffff700011ee0158 x14: 1ffff00011ee0158 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011ee0158 x10: 0000000000ff0100 x9 : 33224a44e8bfc400 x8 : 33224a44e8bfc400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017478 x4 : ffff80008f776bc0 x3 : ffff80008054bdfc x2 : 0000000000000000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2487 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x54c/0x76c kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2403 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 __do_softirq+0x14/0x20 kernel/softirq.c:613 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:68 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73 invoke_softirq kernel/softirq.c:460 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:680 irq_exit_rcu+0x14/0x84 kernel/softirq.c:696 __el1_irq arch/arm64/kernel/entry-common.c:654 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:668 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:673 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592 __sanitizer_cov_trace_cmp8+0x0/0x98 kernel/kcov.c:289 (P) kunwind_next_frame_record arch/arm64/kernel/stacktrace.c:227 [inline] kunwind_next arch/arm64/kernel/stacktrace.c:266 [inline] do_kunwind arch/arm64/kernel/stacktrace.c:295 [inline] kunwind_stack_walk arch/arm64/kernel/stacktrace.c:366 [inline] arch_stack_walk+0x210/0x368 arch/arm64/kernel/stacktrace.c:390 stack_trace_save+0x94/0xd8 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2381 [inline] slab_free mm/slub.c:4643 [inline] kmem_cache_free+0x184/0x550 mm/slub.c:4745 security_file_free+0xb4/0x1cc security/security.c:2894 file_free+0x30/0x208 fs/file_table.c:68 __fput+0x540/0x75c fs/file_table.c:478 ____fput+0x20/0x58 fs/file_table.c:493 task_work_run+0x1dc/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x524/0x19fc kernel/exit.c:964 do_group_exit+0x194/0x22c kernel/exit.c:1105 __do_sys_exit_group kernel/exit.c:1116 [inline] __se_sys_exit_group kernel/exit.c:1114 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1114 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 5343 hardirqs last enabled at (5342): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (5342): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (5343): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (5343): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (3080): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (4059): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---