yealink 1-1:36.0: urb_ctl_callback - urb status -71 yealink 1-1:36.0: urb_irq_callback - urb status -71 yealink 1-1:36.0: unexpected response 0 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor145:8465] Modules linked in: irq event stamp: 220673 hardirqs last enabled at (220672): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (220672): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (220673): [] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline] hardirqs last disabled at (220673): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575 softirqs last enabled at (220660): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (220660): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (220667): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 CPU: 1 UID: 0 PID: 8465 Comm: syz-executor145 Not tainted 6.14.0-rc5-syzkaller-g14d05f12084d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] pc : _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] lr : _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 sp : ffff8000800179c0 x29: ffff8000800179c0 x28: ffff0000cd6f4480 x27: ffff0000cd03bb00 x26: 1ffff00010002f8c x25: dead000000000100 x24: 000000000000d000 x23: dfff800000000000 x22: ffff0000cd6f4418 x21: 0000000000000001 x20: ffff0000cce14000 x19: 0000000000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff8000804696fc x15: 0000000000000001 x14: 1fffe000199c2800 x13: ffff800080018000 x12: 0000000000000003 x11: 0000000000000102 x10: 0000000000000003 x9 : 0000000000000000 x8 : 00000000000000c0 x7 : ffff800086fb174c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80008b87a5a0 x0 : ffff800123ca8000 Call trace: __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) dummy_timer+0x33ec/0x3524 __run_hrtimer kernel/time/hrtimer.c:1801 [inline] __hrtimer_run_queues+0x47c/0xca4 kernel/time/hrtimer.c:1865 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1882 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) console_emit_next_record kernel/printk/printk.c:3130 [inline] (P) console_flush_all+0x69c/0xb90 kernel/printk/printk.c:3210 (P) __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x138/0x3ac kernel/printk/printk.c:3309 vprintk_emit+0x308/0x55c kernel/printk/printk.c:2432 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2447 vprintk+0x94/0x12c kernel/printk/printk_safe.c:82 _printk+0xdc/0x128 kernel/printk/printk.c:2457 usb_gadget_register_driver_owner+0x204/0x25c drivers/usb/gadget/udc/core.c:1710 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x1104/0x35c8 drivers/usb/gadget/legacy/raw_gadget.c:1306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __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 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.14.0-rc5-syzkaller-g14d05f12084d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_unbound toggle_allocation_gate pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : csd_lock_wait kernel/smp.c:340 [inline] pc : smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885 lr : csd_lock_wait kernel/smp.c:340 [inline] lr : smp_call_function_many_cond+0x19cc/0x3298 kernel/smp.c:885 sp : ffff800099e176f0 x29: ffff800099e17830 x28: 1fffe000366f4521 x27: dfff800000000000 x26: ffff0001b37cb528 x25: 0000000000000001 x24: 0000000000000008 x23: ffffffffffffffff x22: 1fffe000366f4520 x21: 0000000000000011 x20: ffff0001b37a2908 x19: ffff0001b37a2900 x18: dfff800000000000 x17: 00000000fe583b50 x16: ffff8000832b8f3c x15: 0000000000000001 x14: 1fffe000366f96a5 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000366f96a6 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 0000000000000011 x7 : ffff80008015b660 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000805f0ed0 x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:231 [inline] (P) __cmpwait arch/arm64/include/asm/cmpxchg.h:257 [inline] (P) csd_lock_wait kernel/smp.c:340 [inline] (P) smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885 (P) smp_call_function_many kernel/smp.c:909 [inline] smp_call_function kernel/smp.c:931 [inline] kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1076 arch_jump_label_transform_apply+0x14/0x20 arch/arm64/kernel/jump_label.c:34 __jump_label_update+0x30c/0x334 kernel/jump_label.c:521 jump_label_update+0x30c/0x3bc kernel/jump_label.c:920 static_key_enable_cpuslocked+0x140/0x230 kernel/jump_label.c:210 static_key_enable+0x24/0x38 kernel/jump_label.c:223 toggle_allocation_gate+0xc4/0x264 mm/kfence/core.c:850 process_one_work+0x810/0x1638 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3400 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862