------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci5 WARNING: CPU: 0 PID: 6821 at kernel/workqueue.c:2258 __queue_work+0xe94/0x1324 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 6821 Comm: syz.4.54 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe94/0x1324 kernel/workqueue.c:2256 lr : __queue_work+0xe94/0x1324 kernel/workqueue.c:2256 sp : ffff800080007b40 x29: ffff800080007b90 x28: dfff800000000000 x27: ffff700010000f88 x26: ffff80008fbbd608 x25: ffff0000f03bd800 x24: 0000000000000008 x23: ffff0000f03bd9c0 x22: 0000000000000100 x21: 1fffe0001e077b38 x20: ffff800092f0a000 x19: ffff0000d93f0948 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b7285ac x15: ffff700011f87b50 x14: 1ffff00011f87b50 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000104 x10: 0000000000ff0100 x9 : 77edbdc3f2c9cb00 x8 : 77edbdc3f2c9cb00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000800072f8 x4 : ffff80008fcafb00 x3 : ffff8000804a79e8 x2 : 0000000000000000 x1 : 0000000100000102 x0 : 0000000000000000 Call trace: __queue_work+0xe94/0x1324 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2487 call_timer_fn+0x1b4/0x8b8 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 handle_softirqs+0x320/0xd34 kernel/softirq.c:561 __do_softirq+0x14/0x20 kernel/softirq.c:595 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:442 [inline] __irq_exit_rcu+0x1d8/0x544 kernel/softirq.c:662 irq_exit_rcu+0x14/0x84 kernel/softirq.c:678 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 __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) lock_acquire+0x278/0x724 kernel/locking/lockdep.c:5854 (P) local_lock_acquire+0x44/0x1ac include/linux/local_lock_internal.h:29 __lru_cache_activate_folio mm/swap.c:356 [inline] folio_mark_accessed+0x1a4/0x63c mm/swap.c:476 zap_present_folio_ptes mm/memory.c:1519 [inline] zap_present_ptes mm/memory.c:1595 [inline] do_zap_pte_range mm/memory.c:1697 [inline] zap_pte_range mm/memory.c:1741 [inline] zap_pmd_range mm/memory.c:1833 [inline] zap_pud_range mm/memory.c:1862 [inline] zap_p4d_range mm/memory.c:1883 [inline] unmap_page_range+0x1bd8/0x31e4 mm/memory.c:1904 unmap_single_vma mm/memory.c:1950 [inline] unmap_vmas+0x378/0x598 mm/memory.c:1994 exit_mmap+0x1f0/0xda0 mm/mmap.c:1284 __mmput+0xec/0x3dc kernel/fork.c:1356 mmput+0x70/0xac kernel/fork.c:1378 exit_mm+0x148/0x210 kernel/exit.c:570 do_exit+0x46c/0x1acc kernel/exit.c:925 do_group_exit+0x194/0x22c kernel/exit.c:1087 get_signal+0x13e4/0x1500 kernel/signal.c:3036 do_signal+0x22c/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 4063 hardirqs last enabled at (4062): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (4062): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (4063): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (4063): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (3902): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (3902): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (4041): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun