------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: CPU: 1 PID: 6665 at kernel/workqueue.c:2256 __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 Modules linked in: CPU: 1 UID: 0 PID: 6665 Comm: syz.0.1 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #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 : ffff800080017b20 x29: ffff800080017b70 x28: dfff800000000000 x27: ffff700010002f84 x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000cb219800 x23: ffff0000cb2199c0 x22: 0000000000000100 x21: 1fffe00019643338 x20: ffff800092df4000 x19: ffff0000cb190988 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff80008b007230 x15: 0000000000000001 x14: 1fffe000337a06f2 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337a06f3 x10: 0000000000ff0100 x9 : 274ddedd76164800 x8 : 274ddedd76164800 x7 : ffff800080563af4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807de334 x2 : 0000000000000001 x1 : 0000000000000101 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: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 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (P) _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P) __debug_check_no_obj_freed lib/debugobjects.c:1108 [inline] debug_check_no_obj_freed+0x454/0x470 lib/debugobjects.c:1129 free_pages_prepare mm/page_alloc.c:1402 [inline] free_unref_folios+0x568/0x1454 mm/page_alloc.c:2952 folios_put_refs+0x608/0x718 mm/swap.c:997 folios_put include/linux/mm.h:1419 [inline] __folio_batch_release+0x78/0xb0 mm/swap.c:1057 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x3bc/0x109c mm/shmem.c:1157 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_close_sync+0x100/0x224 fs/file_table.c:573 __do_sys_close fs/open.c:1587 [inline] __se_sys_close fs/open.c:1572 [inline] __arm64_sys_close+0x7c/0x118 fs/open.c:1572 __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: 158829 hardirqs last enabled at (158828): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (158828): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (158829): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (158829): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (152664): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (152664): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (158817): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---