------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: CPU: 1 PID: 6623 at kernel/workqueue.c:2258 __queue_work+0xe94/0x1324 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6623 Comm: syz.2.13 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 : ffff800080017b40 x29: ffff800080017b90 x28: dfff800000000000 x27: ffff700010002f88 x26: ffff80008fd3d608 x25: ffff0000dc3b4000 x24: 0000000000000008 x23: ffff0000dc3b41c0 x22: 0000000000000100 x21: 1fffe0001b876838 x20: ffff8000931af000 x19: ffff0000eb370948 x18: 0000000000000008 x17: 0000000000000000 x16: ffff8000832b867c x15: 0000000000000001 x14: 1fffe000366ebaf2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000103 x10: 0000000000ff0100 x9 : c1f0e34690712600 x8 : c1f0e34690712600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000800172f8 x4 : ffff80008fe2fb00 x3 : ffff800080744ed0 x2 : 0000000000000001 x1 : 0000000100000101 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 __rcu_read_lock+0x0/0x104 kernel/rcu/tree_plugin.h:371 (P) smack_privileged+0x8c/0xd0 security/smack/smack_access.c:701 smack_unix_may_send+0x1fc/0x2d0 security/smack/smack_lsm.c:3899 security_unix_may_send+0xd4/0x2c0 security/security.c:4536 unix_dgram_sendmsg+0x8cc/0x16dc net/unix/af_unix.c:2115 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0x570/0x87c net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmmsg+0x2fc/0x76c net/socket.c:2716 __do_sys_sendmmsg net/socket.c:2743 [inline] __se_sys_sendmmsg net/socket.c:2740 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2740 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 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: 52155 hardirqs last enabled at (52154): [<ffff80008b884be0>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (52154): [<ffff80008b884be0>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (52155): [<ffff80008b884a88>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (52155): [<ffff80008b884a88>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (50908): [<ffff8000803138a4>] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (50908): [<ffff8000803138a4>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (52141): [<ffff800080020dbc>] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun