------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 0 PID: 6560 at kernel/workqueue.c:2258 __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 6560 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 lr : __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 sp : ffff800097927b20 x29: ffff800097927b70 x28: dfff800000000000 x27: ffff700012f24f84 x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000d7d2c800 x23: ffff0000d7d2c9c0 x22: 0000000000000100 x21: 1fffe0001afa5938 x20: ffff800092bf7000 x19: ffff0000ca790990 x18: 0000000000000000 x17: ffff80010ca0e000 x16: ffff800082deb6c0 x15: 0000000000000001 x14: 1fffe000337db6fa x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337db6fb x10: 0000000000ff0100 x9 : d7ffcc0df4400c00 x8 : d7ffcc0df4400c00 x7 : ffff800080564a40 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807d5f04 x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0xe10/0x1210 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:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____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:503 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:723 irq_exit_rcu+0x14/0x84 kernel/softirq.c:739 __el1_irq arch/arm64/kernel/entry-common.c:520 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:532 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:537 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592 write_comp_data kernel/kcov.c:269 [inline] (P) __sanitizer_cov_trace_cmp8+0x8c/0x98 kernel/kcov.c:294 (P) pfn_is_map_memory+0x38/0x58 arch/arm64/mm/init.c:164 kasan_addr_to_slab+0x54/0xc0 mm/kasan/common.c:46 kasan_record_aux_stack+0x1c/0xc8 mm/kasan/generic.c:544 __call_rcu_common kernel/rcu/tree.c:3123 [inline] call_rcu+0x100/0x978 kernel/rcu/tree.c:3243 destroy_inode fs/inode.c:401 [inline] evict+0x754/0x928 fs/inode.c:834 iput_final fs/inode.c:1914 [inline] iput+0x95c/0xad4 fs/inode.c:1966 d_delete_notify include/linux/fsnotify.h:377 [inline] vfs_rmdir+0x358/0x464 fs/namei.c:4561 do_rmdir+0x214/0x4c4 fs/namei.c:4603 __do_sys_unlinkat fs/namei.c:4777 [inline] __se_sys_unlinkat fs/namei.c:4771 [inline] __arm64_sys_unlinkat+0xc8/0xf8 fs/namei.c:4771 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 886359 hardirqs last enabled at (886358): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (886358): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (886359): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (886359): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (886250): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (886327): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---