rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2675 jiffies s: 3669 root: 0x0/. rcu: blocking rcu_node structures (internal RCU debug): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2677 jiffies s: 3673 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: yealink 1-1:36.0: urb_irq_callback - urb status -71 NMI backtrace for cpu 0 CPU: 0 PID: 4792 Comm: kworker/0:5 Not tainted 6.10.0-rc4-syzkaller-00097-g2ea6d07efe53 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:413 Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 d1 90 0b ff eb a0 e8 5a 91 0b RSP: 0018:ffffc90000006e50 EFLAGS: 00000002 RAX: 000000000000002e RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff829a0e85 RDI: ffffffff8d719be0 RBP: ffffffff8d719ba0 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 000000000000000d R12: 0000000000000000 R13: 000000000000002e R14: ffffffff829a0e20 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7cfdb0440 CR3: 000000000849e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_out drivers/tty/serial/8250/8250.h:122 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3322 [inline] serial8250_console_write+0xce7/0x1090 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2928 [inline] console_flush_all+0x53c/0xd70 kernel/printk/printk.c:2994 console_unlock+0xae/0x290 kernel/printk/printk.c:3063 vprintk_emit kernel/printk/printk.c:2345 [inline] vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2300 dev_vprintk_emit drivers/base/core.c:4909 [inline] dev_printk_emit+0xfb/0x140 drivers/base/core.c:4920 __dev_printk+0xf5/0x270 drivers/base/core.c:4932 _dev_err+0xe5/0x120 drivers/base/core.c:4975 urb_irq_callback+0x454/0x700 drivers/input/misc/yealink.c:416 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5722 Code: c1 05 ca 11 d1 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90000007960 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92000000f2e RCX: ffffffff8130811e RDX: 0000000000000001 RSI: ffffffff86c7d9e0 RDI: ffffffff86e77840 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1997dad R10: ffffffff8ccbed6f R11: 0000000000000009 R12: 0000000000000001 R13: 0000000000000000 R14: ffff88811e5b8040 R15: 0000000000000000 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252 neigh_fill_info+0x518/0xe90 net/core/neighbour.c:2597 __neigh_notify+0xaf/0x160 net/core/neighbour.c:3523 neigh_update_notify net/core/neighbour.c:2675 [inline] neigh_timer_handler+0x449/0xf90 net/core/neighbour.c:1166 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers+0x74b/0xaf0 kernel/time/timer.c:2417 __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2421 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2437 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447 handle_softirqs+0x209/0x8e0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xac/0x110 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__radix_tree_replace+0x0/0x360 lib/radix-tree.c:878 Code: 89 f5 53 48 89 fb e8 cf ac c9 fa 48 89 ee 48 89 df 5b 5d 31 d2 e9 a0 fd ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 41 57 41 56 41 55 49 89 cd 41 54 49 89 fc 55 48 89 d5 RSP: 0018:ffffc9000244eb38 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888100aae810 RCX: ffff888112052e10 RDX: ffff888113bc1a68 RSI: ffff888113bc18c0 RDI: ffff888100aae810 RBP: ffffc9000244ec50 R08: 0000000000000007 R09: fffffffffffff000 R10: ffff888113bc1a68 R11: 0000000000000007 R12: 1ffff92000489d6c R13: 000000000000fbf0 R14: ffffc9000244eb80 R15: 0000000000000000 idr_alloc_u32+0x1fe/0x2f0 lib/idr.c:52 idr_alloc_cyclic+0x10c/0x230 lib/idr.c:125 __kernfs_new_node+0x11b/0x890 fs/kernfs/dir.c:630 kernfs_new_node+0x186/0x240 fs/kernfs/dir.c:700 kernfs_create_link+0xcc/0x240 fs/kernfs/symlink.c:39 sysfs_do_create_link_sd+0x90/0x140 fs/sysfs/symlink.c:44 sysfs_do_create_link fs/sysfs/symlink.c:80 [inline] sysfs_create_link+0x61/0xc0 fs/sysfs/symlink.c:92 device_add_class_symlinks drivers/base/core.c:3438 [inline] device_add+0x62e/0x1a70 drivers/base/core.c:3630 cdev_device_add+0x12b/0x270 fs/char_dev.c:556 evdev_connect+0x3a4/0x4c0 drivers/input/evdev.c:1386 input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:1064 input_register_device+0xb22/0x1140 drivers/input/input.c:2470 usb_probe+0x1075/0x17b0 drivers/input/misc/yealink.c:964 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:578 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:656 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:828 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 device_add+0x114b/0x1a70 drivers/base/core.c:3679 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:578 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:656 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:828 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 device_add+0x114b/0x1a70 drivers/base/core.c:3679 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2e66/0x4f50 drivers/usb/core/hub.c:5903 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 yealink 1-1:36.0: unexpected response 0 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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