rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2648 jiffies s: 6261 root: 0x0/. rcu: blocking rcu_node structures (internal RCU debug): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2822 jiffies s: 6265 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 NMI backtrace for cpu 1 CPU: 1 PID: 5151 Comm: kworker/1:5 Not tainted 6.10.0-rc1-syzkaller-00104-gd8ec19857b09 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:206 Code: 8b 3d 3c 5d 44 0c 48 89 de 5b e9 c3 02 57 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 c0 d4 03 00 65 8b 15 20 bf 6d 7e f7 c2 00 01 ff 00 RSP: 0018:ffffc90000a17480 EFLAGS: 00000017 RAX: ffffffff8b776686 RBX: 0000000000000035 RCX: ffff888022f15a00 RDX: 0000000000010102 RSI: 00000000fffffffb RDI: ffffc90000a17540 RBP: 1ffff92000142ea8 R08: ffffffff8b76d162 R09: ffffffff8b76cfda R10: 0000000000000005 R11: ffff888022f15a00 R12: 0000000000000005 R13: dffffc0000000000 R14: ffffc90000a17540 R15: ffffffff8bcb7f83 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39fbd50128 CR3: 000000000e132000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skip_atoi+0xb6/0xd0 lib/vsprintf.c:172 format_decode+0xb15/0x1bb0 lib/vsprintf.c:2592 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776 sprintf+0xda/0x120 lib/vsprintf.c:3028 print_time kernel/printk/printk.c:1327 [inline] info_print_prefix+0x16b/0x310 kernel/printk/printk.c:1353 record_print_text kernel/printk/printk.c:1402 [inline] printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2855 console_emit_next_record kernel/printk/printk.c:2895 [inline] console_flush_all+0x410/0xfd0 kernel/printk/printk.c:2994 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_err+0x122/0x170 drivers/base/core.c:5017 wdm_int_callback+0x41f/0xac0 drivers/usb/class/cdc-wdm.c:269 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 0e 2e 70 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 2b dd f5 65 8b 05 94 76 7b 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90000a18900 EFLAGS: 00000206 RAX: 398c968f1c965c00 RBX: 1ffff92000143124 RCX: ffffffff8172c69a RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: 0000000000000001 RBP: ffffc90000a189a0 R08: ffffffff92f7164f R09: 1ffffffff25ee2c9 R10: dffffc0000000000 R11: fffffbfff25ee2ca R12: dffffc0000000000 R13: 1ffff92000143120 R14: ffffc90000a18920 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock+0x18c/0x1e0 kernel/sched/wait.c:108 aoenet_xmit+0x145/0x1a0 drivers/block/aoe/aoenet.c:123 aoecmd_cfg+0x9d6/0xa30 drivers/block/aoe/aoecmd.c:1363 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers kernel/time/timer.c:2417 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428 run_timer_base kernel/time/timer.c:2437 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule+0xe1/0xf0 Code: 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 48 75 18 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 1f 00 00 00 c8 e8 78 bd f6 ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc900042c7240 EFLAGS: 00000246 RAX: 1ffff110045e2b40 RBX: 1ffff92000858e48 RCX: 1ffff92000858e20 RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: ffff888022f16ff8 RBP: ffffc900042c72d8 R08: ffffffff92f71657 R09: 1ffffffff25ee2ca R10: dffffc0000000000 R11: fffffbfff25ee2cb R12: 1ffff92000858e4c R13: dffffc0000000000 R14: ffffc900042c7260 R15: dffffc0000000000 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 vprintk_emit+0x690/0x770 kernel/printk/printk.c:2346 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_info+0x122/0x170 drivers/base/core.c:5020 hub_port_init+0x7bf/0x2670 drivers/usb/core/hub.c:4950 hub_port_connect drivers/usb/core/hub.c:5450 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x295f/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 4.435 msecs cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -1 cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: nonzero urb status received: -71 cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 1-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 5-1:1.0: nonzero urb status received: -71 cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 5-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: nonzero urb status received: -71 cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19