rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2674 jiffies s: 14525 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
 new_sync_read fs/read_write.c:488 [inline]
 vfs_read+0x86e/0xbd0 fs/read_write.c:569
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4901 Comm: udevd Not tainted 6.12.0-rc3-syzkaller-00029-g64f3b5a6bc49 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 b1 ef 0d ff eb a0 e8 3a f0 0d
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 0000:ffffc90004e2f050 EFLAGS: 00000002
RAX: 0000000000000037 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a06b75 RDI: ffffffff93635660
RBP: ffffffff93635620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000037 R14: ffffffff82a06b10 R15: 0000000000000000
FS:  00007fede1f4ac80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbb66f56c0 CR3: 000000011a3fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 serial_out drivers/tty/serial/8250/8250.h:142 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3322 [inline]
 serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
 console_emit_next_record kernel/printk/printk.c:3092 [inline]
 console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180
 __console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
 _printk+0xc8/0x100 kernel/printk/printk.c:2432
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7589 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7564
 show_state_filter+0xee/0x320 kernel/sched/core.c:7634
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:341 [inline]
 input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 input_sync include/linux/input.h:451 [inline]
 hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1736
 hid_report_raw_event+0x274/0x11c0 drivers/hid/hid-core.c:2047
 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
 __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+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
 handle_softirqs+0x206/0x8d0 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:1037 [inline]
 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1037
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7fede20755f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc8b483338 EFLAGS: 00000206
RAX: fffffffffffffffe RBX: 000055558b6bc0e0 RCX: 00007fede20755f4
RDX: 00007ffc8b483348 RSI: 00007ffc8b4833d8 RDI: 00000000ffffff9c
RBP: 000055558b668bd5 R08: 000055558b668bd5 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 0000000000000000
R13: 000055558b6bc1d0 R14: 00007ffc8b4833d8 R15: 0000555587b44a04
 </TASK>
 ksys_read+0x12f/0x260 fs/read_write.c:712
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2075b6a
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffc8b482688 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 0000000000000000
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 000055558b661410 RCX: 00007fede2075b6a
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000001000 RSI: 00007ffc8b482b28 RDI: 0000000000000008
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 0000555587b457be R08: 0000000000000000 R09: 0000000000000000
cdc_wdm 2-1:1.0: Cannot schedule work
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 000055558b661500 R14: 00007ffc8b482b28 R15: 000055558b6bece0
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:24288 pid:4915  tgid:4915  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Cannot schedule work
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b66bf40 R08: 0000000000000007 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b655120
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Cannot schedule work
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/0:3     state:R
cdc_wdm 2-1:1.0: Stall on int endpoint
  running task    
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:22016 pid:4916  tgid:4916  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Cannot schedule work
Workqueue: usb_hub_wq hub_event
cdc_wdm 2-1:1.0: Stall on int endpoint

cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_timeout_uninterruptible kernel/time/timer.c:2649 [inline]
 msleep+0x9b/0xd0 kernel/time/timer.c:2770
cdc_wdm 2-1:1.0: Cannot schedule work
 hub_port_debounce+0x183/0x3d0 drivers/usb/core/hub.c:4679
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 hub_port_debounce_be_stable drivers/usb/core/hub.h:183 [inline]
 hub_port_connect drivers/usb/core/hub.c:5373 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x3536/0x4f40 drivers/usb/core/hub.c:5903
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/1:2     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:21712 pid:4920  tgid:4920  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (mm_percpu_wq)
cdc_wdm 2-1:1.0: Stall on int endpoint

Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/0:4     state:R
cdc_wdm 2-1:1.0: Stall on int endpoint
  running task    
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:20960 pid:4928  tgid:4928  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue: usb_hub_wq hub_event
cdc_wdm 2-1:1.0: Stall on int endpoint

cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 devtmpfs_submit_req+0xa8/0x100 drivers/base/devtmpfs.c:107
cdc_wdm 2-1:1.0: Stall on int endpoint
 devtmpfs_delete_node+0xf7/0x160 drivers/base/devtmpfs.c:156
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 device_del+0x735/0x9f0 drivers/base/core.c:3843
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_disconnect+0x58b/0x920 drivers/usb/core/hub.c:2332
cdc_wdm 2-1:1.0: Stall on int endpoint
 hub_port_connect drivers/usb/core/hub.c:5361 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/1:3     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:20896 pid:4931  tgid:4931  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Cannot schedule work
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (events_power_efficient)
cdc_wdm 2-1:1.0: Cannot schedule work

Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27280 pid:4932  tgid:4932  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Cannot schedule work
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Cannot schedule work
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Cannot schedule work
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b666400 R08: 0000000000000007 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Cannot schedule work
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b65e4d0
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Cannot schedule work
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:udevd           state:S
cdc_wdm 2-1:1.0: Cannot schedule work
 stack:27280 pid:4949  tgid:4949  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Cannot schedule work
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Cannot schedule work
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Cannot schedule work
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b666c70 R08: 0000000000000007 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b675ce0
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/0:5     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:21152 pid:4959  tgid:4959  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (events)
cdc_wdm 2-1:1.0: Stall on int endpoint

cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/1:4     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:21168 pid:4981  tgid:4981  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (events)
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Cannot schedule work
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/1:5     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:22384 pid:4984  tgid:4984  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Cannot schedule work
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (mm_percpu_wq)
cdc_wdm 2-1:1.0: Cannot schedule work

Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:24064 pid:4997  tgid:4997  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Cannot schedule work
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Cannot schedule work
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b661410 R08: 0000000000000007 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b666820
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27520 pid:5082  tgid:5082  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Cannot schedule work
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Cannot schedule work
RBP: 000055558b661410 R08: 0000000000000005 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b678570
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/0:6     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27008 pid:5100  tgid:5100  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (events_power_efficient)
cdc_wdm 2-1:1.0: Stall on int endpoint

Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27520 pid:5136  tgid:5136  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Cannot schedule work
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b666820 R08: 0000000000000004 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b675190
cdc_wdm 2-1:1.0: Cannot schedule work
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
task:kworker/1:6     state:D
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:22304 pid:6050  tgid:6050  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Cannot schedule work
Workqueue: usb_hub_wq hub_event
cdc_wdm 2-1:1.0: Stall on int endpoint

cdc_wdm 2-1:1.0: Cannot schedule work
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:991
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 synchronize_net+0x4e/0x60 net/core/dev.c:11284
cdc_wdm 2-1:1.0: Stall on int endpoint
 netif_napi_del include/linux/netdevice.h:2687 [inline]
 lan78xx_probe+0xd4e/0x3c60 drivers/net/usb/lan78xx.c:4476
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
cdc_wdm 2-1:1.0: Stall on int endpoint
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
cdc_wdm 2-1:1.0: Stall on int endpoint
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
cdc_wdm 2-1:1.0: Cannot schedule work
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
cdc_wdm 2-1:1.0: Stall on int endpoint
 device_add+0x114b/0x1a70 drivers/base/core.c:3675
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
cdc_wdm 2-1:1.0: Cannot schedule work
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
cdc_wdm 2-1:1.0: Stall on int endpoint
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
cdc_wdm 2-1:1.0: Stall on int endpoint
 device_add+0x114b/0x1a70 drivers/base/core.c:3675
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 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+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/0:7     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:30448 pid:6531  tgid:6531  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Workqueue:  0x0
cdc_wdm 2-1:1.0: Stall on int endpoint
 (events)
cdc_wdm 2-1:1.0: Stall on int endpoint

Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:kworker/1:7     state:I
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:30176 pid:6662  tgid:6662  ppid:2      flags:0x00004000
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:udevd           state:S
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:24064 pid:6789  tgid:6789  ppid:2548   flags:0x00000002
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
cdc_wdm 2-1:1.0: Stall on int endpoint
 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
 __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fede2082457
cdc_wdm 2-1:1.0: Cannot schedule work
RSP: 002b:00007ffc8b489618 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 00000000000000e8
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fede2082457
cdc_wdm 2-1:1.0: Cannot schedule work
RDX: 0000000000000004 RSI: 00007ffc8b489658 RDI: 0000000000000004
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 000055558b676400 R08: 0000000000000007 R09: a81cf6776ed373db
cdc_wdm 2-1:1.0: Cannot schedule work
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055558b672fd0
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 00007ffc8b489658 R14: 00000000ffffffff R15: 000055558b62b2c0
cdc_wdm 2-1:1.0: Cannot schedule work
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:syz.4.891       state:R
cdc_wdm 2-1:1.0: Cannot schedule work
  running task     stack:27856 pid:8258  tgid:8257  ppid:2652   flags:0x00004006
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Cannot schedule work
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
cdc_wdm 2-1:1.0: Stall on int endpoint
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
cdc_wdm 2-1:1.0: Cannot schedule work
 _cond_resched include/linux/sched.h:2031 [inline]
 zap_pmd_range mm/memory.c:1742 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x4b8/0x2fa0 mm/memory.c:1810
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1856
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_vmas+0x22f/0x490 mm/memory.c:1900
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mmap+0x1c6/0xb30 mm/mmap.c:1864
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __mmput kernel/fork.c:1347 [inline]
 mmput+0xdb/0x3e0 kernel/fork.c:1369
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2ce0 kernel/exit.c:926
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
cdc_wdm 2-1:1.0: Stall on int endpoint
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fc6d3b3dbfb
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007fc6d27b5f70 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Cannot schedule work
 ORIG_RAX: 0000000000000010
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: fffffffffffffffc RBX: 00000000ffffff75 RCX: 00007fc6d3b3dbfb
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 00007fc6d27b5ff0 RSI: 0000000040085507 RDI: 0000000000000003
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 0000000000000003 R08: 00007fc6d3e20320 R09: 0000000000000000
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 0000000000000003 R11: 0000000000000246 R12: 00000000200002c0
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 0000000000000000 R14: 00007fc6d3cf5f80 R15: 00007fff805fff48
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:syz.1.892       state:R
cdc_wdm 2-1:1.0: Stall on int endpoint
  running task    
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27200 pid:8259  tgid:8259  ppid:2655   flags:0x00004006
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
cdc_wdm 2-1:1.0: Stall on int endpoint
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
cdc_wdm 2-1:1.0: Stall on int endpoint
 page_table_check_pte_clear include/linux/page_table_check.h:49 [inline]
 ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1337 [inline]
 get_and_clear_full_ptes include/linux/pgtable.h:684 [inline]
 zap_present_folio_ptes mm/memory.c:1496 [inline]
 zap_present_ptes mm/memory.c:1579 [inline]
 zap_pte_range mm/memory.c:1621 [inline]
 zap_pmd_range mm/memory.c:1739 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x19d7/0x2fa0 mm/memory.c:1810
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1856
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_vmas+0x22f/0x490 mm/memory.c:1900
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mmap+0x1c6/0xb30 mm/mmap.c:1864
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __mmput kernel/fork.c:1347 [inline]
 mmput+0xdb/0x3e0 kernel/fork.c:1369
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2ce0 kernel/exit.c:926
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
cdc_wdm 2-1:1.0: Stall on int endpoint
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7f4a4955e033
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffdc3222518 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 0000000000000009
cdc_wdm 2-1:1.0: Cannot schedule work
RAX: 00007f4a4814e000 RBX: fffffffffffff000 RCX: 00007f4a4955e033
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000
cdc_wdm 2-1:1.0: Cannot schedule work
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffdc3222670
cdc_wdm 2-1:1.0: Cannot schedule work
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:syz.2.893       state:R
cdc_wdm 2-1:1.0: Stall on int endpoint
  running task     stack:27744 pid:8264  tgid:8263  ppid:2649   flags:0x00004004
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
cdc_wdm 2-1:1.0: Stall on int endpoint
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
cdc_wdm 2-1:1.0: Stall on int endpoint
 _cond_resched include/linux/sched.h:2031 [inline]
 zap_pmd_range mm/memory.c:1742 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x4b8/0x2fa0 mm/memory.c:1810
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1856
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_vmas+0x22f/0x490 mm/memory.c:1900
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mmap+0x1c6/0xb30 mm/mmap.c:1864
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 __mmput kernel/fork.c:1347 [inline]
 mmput+0xdb/0x3e0 kernel/fork.c:1369
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2ce0 kernel/exit.c:926
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
cdc_wdm 2-1:1.0: Stall on int endpoint
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218
cdc_wdm 2-1:1.0: Cannot schedule work
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Stall on int endpoint
RIP: 0033:0x7fb90b10dbfb
cdc_wdm 2-1:1.0: Cannot schedule work
RSP: 002b:00007fb909d84f10 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 0000000000000010
cdc_wdm 2-1:1.0: Cannot schedule work
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007fb90b10dbfb
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 00007fb909d85fe0 RSI: 0000000080085502 RDI: 0000000000000003
cdc_wdm 2-1:1.0: Cannot schedule work
RBP: 00007fb909d85fe0 R08: 0000000000000000 R09: 00322e6364755f79
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
cdc_wdm 2-1:1.0: Cannot schedule work
R13: 0000000800000000 R14: 00000000200000c0 R15: 00007fb90b18a273
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
task:syz.3.894       state:R
cdc_wdm 2-1:1.0: Stall on int endpoint
  running task    
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27728 pid:8266  tgid:8265  ppid:2650   flags:0x00004006
cdc_wdm 2-1:1.0: Cannot schedule work
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Cannot schedule work
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
cdc_wdm 2-1:1.0: Cannot schedule work
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
cdc_wdm 2-1:1.0: Stall on int endpoint
 _cond_resched include/linux/sched.h:2031 [inline]
 zap_pmd_range mm/memory.c:1742 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x4b8/0x2fa0 mm/memory.c:1810
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1856
cdc_wdm 2-1:1.0: Stall on int endpoint
 unmap_vmas+0x22f/0x490 mm/memory.c:1900
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_mmap+0x1c6/0xb30 mm/mmap.c:1864
cdc_wdm 2-1:1.0: Cannot schedule work
cdc_wdm 2-1:1.0: Stall on int endpoint
 __mmput kernel/fork.c:1347 [inline]
 mmput+0xdb/0x3e0 kernel/fork.c:1369
cdc_wdm 2-1:1.0: Cannot schedule work
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2ce0 kernel/exit.c:926
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
cdc_wdm 2-1:1.0: Stall on int endpoint
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
cdc_wdm 2-1:1.0: Stall on int endpoint
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218
cdc_wdm 2-1:1.0: Cannot schedule work
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
cdc_wdm 2-1:1.0: Stall on int endpoint
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
cdc_wdm 2-1:1.0: Cannot schedule work
RIP: 0033:0x7ffbb5a0dbfb
cdc_wdm 2-1:1.0: Stall on int endpoint
RSP: 002b:00007ffbb467ef10 EFLAGS: 00000246
cdc_wdm 2-1:1.0: Stall on int endpoint
 ORIG_RAX: 0000000000000010
cdc_wdm 2-1:1.0: Stall on int endpoint
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007ffbb5a0dbfb
cdc_wdm 2-1:1.0: Stall on int endpoint
RDX: 00007ffbb467ffe0 RSI: 0000000080085502 RDI: 0000000000000003
cdc_wdm 2-1:1.0: Stall on int endpoint
RBP: 00007ffbb467ffe0 R08: 0000000000000000 R09: 00332e6364755f79
cdc_wdm 2-1:1.0: Stall on int endpoint
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
cdc_wdm 2-1:1.0: Stall on int endpoint
R13: 0000000800000000 R14: 0000000020000840 R15: 00007ffbb5a8a273
cdc_wdm 2-1:1.0: Stall on int endpoint
 </TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
task:syz.0.895       state:D
cdc_wdm 2-1:1.0: Stall on int endpoint
 stack:27200 pid:8268  tgid:8268  ppid:2656   flags:0x00004004
cdc_wdm 2-1:1.0: Stall on int endpoint
Call Trace:
cdc_wdm 2-1:1.0: Stall on int endpoint
 <TASK>
cdc_wdm 2-1:1.0: Stall on int endpoint
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682