------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: kernel/workqueue.c:2298 at __queue_work+0xfd4/0x136c kernel/workqueue.c:2296, CPU#0: dhcpcd-run-hook/12142 Modules linked in: CPU: 0 UID: 0 PID: 12142 Comm: dhcpcd-run-hook Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 lr : __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 sp : ffff80008e8e7b10 x29: ffff80008e8e7b50 x28: dfff800000000000 x27: ffff700011d1cf84 x26: ffff0000d8fed000 x25: 0000000000000008 x24: ffff0000d8fed1c0 x23: dfff800000000000 x22: ffff0000ca3b1d08 x21: ffff800089f18000 x20: ffff0000f2814a70 x19: ffff0000f2814a58 x18: 00000000ffffffff x17: ffff80008a0e0c80 x16: ffff80008a5550b8 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000001ca6 x10: 0000000000ff0100 x9 : 3fe3bfe734720000 x8 : 3fe3bfe734720000 x7 : ffff80008047caa0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000802f1374 x2 : 0000000000000101 x1 : ffff0000ca3b1d00 x0 : 0000000000000000 Call trace: __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2539 call_timer_fn+0x194/0xa3c kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x554/0x74c kernel/time/timer.c:2386 run_timer_base+0x84/0x1b8 kernel/time/timer.c:2395 run_timer_softirq+0x20/0x48 kernel/time/timer.c:2405 handle_softirqs+0x2e4/0xd34 kernel/softirq.c:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:78 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:83 invoke_softirq kernel/softirq.c:503 [inline] __irq_exit_rcu+0x1ac/0x428 kernel/softirq.c:735 irq_exit_rcu+0x14/0x84 kernel/softirq.c:752 __el1_irq arch/arm64/kernel/entry-common.c:514 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:526 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:531 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590 __sanitizer_cov_trace_pc+0x0/0x5c kernel/audit_tree.c:176 (P) zap_present_folio_ptes mm/memory.c:1656 [inline] zap_present_ptes mm/memory.c:1714 [inline] do_zap_pte_range mm/memory.c:1816 [inline] zap_pte_range mm/memory.c:1918 [inline] zap_pmd_range mm/memory.c:2004 [inline] zap_pud_range mm/memory.c:2032 [inline] zap_p4d_range mm/memory.c:2053 [inline] __zap_vma_range+0x17e8/0x404c mm/memory.c:2093 unmap_vmas+0x2d4/0x438 mm/memory.c:2162 exit_mmap+0x1e8/0xaf8 mm/mmap.c:1300 __mmput+0xe4/0x2f0 kernel/fork.c:1178 mmput+0x70/0xa8 kernel/fork.c:1201 exit_mm+0x190/0x26c kernel/exit.c:582 do_exit+0x518/0x1a6c kernel/exit.c:964 do_group_exit+0x194/0x22c kernel/exit.c:1119 __do_sys_exit_group kernel/exit.c:1130 [inline] __se_sys_exit_group kernel/exit.c:1128 [inline] pid_child_should_wake+0x0/0x110 kernel/exit.c:1128 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:740 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:759 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 10839 hardirqs last enabled at (10838): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:455 hardirqs last disabled at (10839): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:140 [inline] hardirqs last disabled at (10839): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:174 softirqs last enabled at (10056): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (10056): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (10056): [] do_sve_acc+0x22c/0x3b8 arch/arm64/kernel/fpsimd.c:1360 softirqs last disabled at (10729): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---