------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: CPU: 1 PID: 6526 at kernel/workqueue.c:2256 __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 Modules linked in: CPU: 1 UID: 0 PID: 6526 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 lr : __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 sp : ffff800097b57b20 x29: ffff800097b57b70 x28: dfff800000000000 x27: ffff700012f6af84 x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000cf6f8800 x23: ffff0000cf6f89c0 x22: 0000000000000100 x21: 1fffe00019edf138 x20: ffff800092e27000 x19: ffff0000c9144988 x18: 1fffe00033793888 x17: ffff80010c566000 x16: ffff80008b020f18 x15: 0000000000000001 x14: 1fffe000337938f2 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337938f3 x10: 0000000000ff0100 x9 : 0e2b6c4b93fcb000 x8 : 0e2b6c4b93fcb000 x7 : ffff800080565b6c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807e0688 x2 : 0000000000000001 x1 : 0000000000000102 x0 : 0000000000000000 Call trace: __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2485 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: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 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P) __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] (P) _raw_spin_unlock_irq+0x34/0x80 kernel/locking/spinlock.c:202 (P) spin_unlock_irq include/linux/spinlock.h:401 [inline] filemap_remove_folio+0xd4/0x1bc mm/filemap.c:254 truncate_inode_folio+0x6c/0x84 mm/truncate.c:176 shmem_undo_range+0x2d8/0x109c mm/shmem.c:1153 shmem_truncate_range mm/shmem.c:1269 [inline] shmem_evict_inode+0x204/0x884 mm/shmem.c:1397 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput+0x6e4/0x83c fs/inode.c:1923 dentry_unlink_inode+0x384/0x45c fs/dcache.c:466 __dentry_kill+0x170/0x594 fs/dcache.c:669 dput+0x1b8/0x290 fs/dcache.c:911 __fput+0x51c/0x75c fs/file_table.c:476 ____fput+0x20/0x58 fs/file_table.c:496 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 188239 hardirqs last enabled at (188238): [] handle_softirqs+0x1f4/0xc88 kernel/softirq.c:563 hardirqs last disabled at (188239): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (188239): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (184992): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (184992): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (188237): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---