rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2675 jiffies s: 24301 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 NMI backtrace for cpu 0 CPU: 0 PID: 2472 Comm: syz-executor.5 Not tainted 6.2.0-rc7-syzkaller-00202-g41070a7027e9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x54/0x70 kernel/kcov.c:213 Code: 35 8b 82 6c 14 00 00 85 c0 74 2b 8b 82 48 14 00 00 83 f8 02 75 20 48 8b 8a 50 14 00 00 8b 92 4c 14 00 00 48 8b 01 48 83 c0 01 <48> 39 c2 76 07 48 89 01 48 89 34 c1 c3 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc90000006c38 EFLAGS: 00000016 RAX: 0000000000040000 RBX: 00000000fffffffd RCX: ffffc90001001000 RDX: 0000000000040000 RSI: ffffffff85d497b0 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffc90000007044 R13: ffffc90000006cd9 R14: ffffc9008000703f R15: ffffc90000007042 FS: 0000555555827400(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2db2c000 CR3: 000000012f727000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: number+0x6d0/0xad0 lib/vsprintf.c:561 vsnprintf+0x775/0x16b0 lib/vsprintf.c:2862 sprintf+0xc4/0x100 lib/vsprintf.c:3000 print_time kernel/printk/printk.c:1358 [inline] info_print_prefix+0x248/0x340 kernel/printk/printk.c:1384 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1433 console_emit_next_record.constprop.0+0x714/0x890 kernel/printk/printk.c:2808 console_flush_all+0x547/0x6e0 kernel/printk/printk.c:2889 console_unlock+0xb8/0x1f0 kernel/printk/printk.c:2966 vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2359 vprintk+0x84/0xa0 kernel/printk/printk_safe.c:50 _printk+0xbe/0xf1 kernel/printk/printk.c:2380 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] show_trace_log_lvl+0x221/0x2ba arch/x86/kernel/dumpstack.c:282 sched_show_task kernel/sched/core.c:9024 [inline] sched_show_task+0x450/0x5c0 kernel/sched/core.c:8998 show_state_filter+0xf4/0x310 kernel/sched/core.c:9069 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xe5/0x140 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0xce1/0x1790 drivers/tty/vt/keyboard.c:1543 input_to_handler+0x3b9/0x4c0 drivers/input/input.c:131 input_pass_values.part.0+0x230/0x710 drivers/input/input.c:160 input_pass_values drivers/input/input.c:147 [inline] input_event_dispose+0x5cf/0x730 drivers/input/input.c:375 input_handle_event+0x120/0xe70 drivers/input/input.c:403 input_event drivers/input/input.c:432 [inline] input_event+0x83/0xa0 drivers/input/input.c:424 input_sync include/linux/input.h:450 [inline] hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1666 hid_report_raw_event+0x33c/0x1270 drivers/hid/hid-core.c:2008 hid_input_report+0x363/0x4d0 drivers/hid/hid-core.c:2069 hid_irq_in+0x50f/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1700 expire_timers+0x2c6/0x5c0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1e8/0xabf kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x3c/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 36 eb 22 fb 48 89 ef e8 de 57 23 fb 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 4f 98 18 fb 65 8b 05 a0 3b fb 79 85 c0 74 0a 5b 5d c3 e8 2c 27 RSP: 0018:ffffc90001717c78 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff11bd9c1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff8881f682b400 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed103ed05680 R11: 0000000000000000 R12: 0000000000000001 R13: dffffc0000000000 R14: ffffc90001717dd8 R15: ffff88810d9a3800 hrtimer_start_expires include/linux/hrtimer.h:432 [inline] hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1965 [inline] do_nanosleep+0x131/0x4f0 kernel/time/hrtimer.c:2041 hrtimer_nanosleep+0x1fd/0x4b0 kernel/time/hrtimer.c:2097 common_nsleep+0xa6/0xd0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f8/0x430 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2f02913d9a Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffff6952ba0 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000be9 RCX: 00007f2f02913d9a RDX: 00007ffff6952be0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffff6952c6c R08: 0000000000000936 R09: 00007ffff69a3080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000023f422 R14: 0000000000000000 R15: 00007ffff6952cd0 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:syz-executor.4 state:S stack:27928 pid:10815 ppid:2456 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 do_wait+0x730/0xd70 kernel/exit.c:1624 kernel_wait4+0x150/0x260 kernel/exit.c:1768 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1796 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9705636c66 RSP: 002b:00007ffea52071b8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000002a43 RCX: 00007f9705636c66 RDX: 0000000040000000 RSI: 00007ffea52071cc RDI: 00000000ffffffff RBP: 00007ffea52071cc R08: 0000000000000000 R09: 00005555556b8400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffea52072c0 R14: 00007f97057599d8 R15: 000000000000000c task:syz-executor.4 state:S stack:25576 pid:10819 ppid:10815 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 do_nanosleep+0x154/0x4f0 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1fd/0x4b0 kernel/time/hrtimer.c:2097 common_nsleep+0xa6/0xd0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f8/0x430 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f970565dd9a RSP: 002b:00007ffea5206f50 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000a24 RCX: 00007f970565dd9a RDX: 00007ffea5206f90 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffea520701c R08: 0000000000000936 R09: 00007ffea52e1080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000023f6c8 R14: 0000000000000000 R15: 00007ffea5207080 task:kworker/0:5 state:I stack:22488 pid:15926 ppid:2 flags:0x00004000 Workqueue: 0x0 (usb_hub_wq) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:9 state:I stack:22360 pid:15928 ppid:2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:2 state:I stack:21648 pid:16299 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/u4:2 state:I stack:26856 pid:17903 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:8 state:I stack:23064 pid:18434 ppid:2 flags:0x00004000 Workqueue: 0x0 (mm_percpu_wq) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:9 state:D stack:22920 pid:18435 ppid:2 flags:0x00004000 Workqueue: rcu_gp wait_rcu_exp_gp Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 synchronize_rcu_expedited_wait_once kernel/rcu/tree_exp.h:571 [inline] synchronize_rcu_expedited_wait kernel/rcu/tree_exp.h:622 [inline] rcu_exp_wait_wake+0x28f/0xf20 kernel/rcu/tree_exp.h:688 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:8 state:I stack:23064 pid:20074 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:10 state:I stack:24696 pid:24322 ppid:2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:0 state:I stack:23064 pid:28591 ppid:2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:3 state:I stack:30104 pid:30617 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:0 state:I stack:24576 pid:30842 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:1 state:I stack:25168 pid:30868 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:syz-executor.0 state:S stack:28456 pid:31347 ppid:2476 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 do_nanosleep+0x154/0x4f0 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1fd/0x4b0 kernel/time/hrtimer.c:2097 common_nsleep+0xa6/0xd0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f8/0x430 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb08831fdf1 RSP: 002b:00007ffcb69f3a60 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 00007fb08841af80 RCX: 00007fb08831fdf1 RDX: 00007ffcb69f3aa0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb08841c980 R08: 0000000000000000 R09: 00007ffcb69fa080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000240a3a R13: 00007ffcb69f3bb0 R14: 00007fb08841b050 R15: 000000000000015e task:syz-executor.0 state:S stack:28976 pid:31348 ppid:2476 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x1e1/0x2a0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion_interruptible+0x1f/0x40 kernel/sched/completion.c:206 raw_process_ep_io+0x5ec/0xb10 drivers/usb/gadget/legacy/raw_gadget.c:1071 raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1099 [inline] raw_ioctl+0xc57/0x27d0 drivers/usb/gadget/legacy/raw_gadget.c:1271 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb0882faeb7 RSP: 002b:00007fb08766d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000000000c3 RCX: 00007fb0882faeb7 RDX: 00007fb08766d120 RSI: 0000000040085507 RDI: 0000000000000003 RBP: 00000000200000c0 R08: 00007fb08853f320 R09: 0000000000000001 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fb08766e300 R15: 0000000000022000 task:syz-executor.0 state:S stack:29184 pid:31363 ppid:2476 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 futex_wait_queue+0xf9/0x1f0 kernel/futex/waitwake.c:355 futex_wait+0x292/0x680 kernel/futex/waitwake.c:656 do_futex+0x2e8/0x360 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1ca/0x4d0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb0882fb0c9 RSP: 002b:00007fb08764d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fb08841b058 RCX: 00007fb0882fb0c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb08841b058 RBP: 00007fb08841b050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb08841b05c R13: 00007ffcb69f3a4f R14: 00007fb08764d300 R15: 0000000000022000 task:kworker/u4:1 state:I stack:30104 pid:31367 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:syz-executor.3 state:D stack:28456 pid:31385 ppid:2473 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 synchronize_rcu_expedited+0x39f/0x780 kernel/rcu/tree_exp.h:961 synchronize_rcu+0x306/0x3b0 kernel/rcu/tree.c:3543 evdev_detach_client drivers/input/evdev.c:386 [inline] evdev_release+0x243/0x420 drivers/input/evdev.c:449 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x1f7/0x200 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f498428df7b RSP: 002b:00007ffecd7596e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f498428df7b RDX: 0000000000000000 RSI: 0000001b2de21ab8 RDI: 0000000000000003 RBP: 00007f49843fd980 R08: 0000000000000000 R09: 00000000fc2e76fc R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000240cbc R13: 00007ffecd7597e0 R14: 00007f49843fc120 R15: 000000000000015e Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffffffff87a97310 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 2 locks held by getty/2407: #0: ffff888113590098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900000452f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177 5 locks held by syz-executor.5/2472: #0: ffffc90000007d60 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #0: ffffc90000007d60 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x7c0 kernel/time/timer.c:1690 #1: ffff88810d90a230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:431 [inline] #1: ffff88810d90a230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:424 #2: ffffffff87a97e60 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:2523 #3: ffffffff87eb3078 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] #3: ffffffff87eb3078 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x1790 drivers/tty/vt/keyboard.c:1537 #4: ffffffff87a97e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494 6 locks held by kworker/0:6/5400: #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888109017d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90001db7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 #2: ffff88810eaab190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline] #2: ffff88810eaab190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x4810 drivers/usb/core/hub.c:5739 #3: ffff88810eaae4f0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3147 [inline] #3: ffff88810eaae4f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5303 [inline] #3: ffff88810eaae4f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] #3: ffff88810eaae4f0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5711 [inline] #3: ffff88810eaae4f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x277c/0x4810 drivers/usb/core/hub.c:5793 #4: ffff88810e3e1768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5304 [inline] #4: ffff88810e3e1768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] #4: ffff88810e3e1768 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5711 [inline] #4: ffff88810e3e1768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x27b1/0x4810 drivers/usb/core/hub.c:5793 #5: ffffffff88419750 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x188/0x1cc0 drivers/usb/core/hub.c:2962 2 locks held by kworker/1:9/18435: #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888100072538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90001fafda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 1 lock held by syz-executor.3/31385: #0: ffffffff87aa1ff8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #0: ffffffff87aa1ff8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946 ============================================= usb 3-1: new low-speed USB device number 103 using dummy_hcd task:init state:S stack:22920 pid:1 ppid:0 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_hrtimeout_range_clock+0x34b/0x390 kernel/time/hrtimer.c:2296 do_sigtimedwait+0x42e/0x5c0 kernel/signal.c:3606 __do_sys_rt_sigtimedwait kernel/signal.c:3650 [inline] __se_sys_rt_sigtimedwait kernel/signal.c:3628 [inline] __x64_sys_rt_sigtimedwait+0x1a5/0x290 kernel/signal.c:3628 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fac32360ac4 RSP: 002b:00007ffcb6edbb00 EFLAGS: 00000246 ORIG_RAX: 0000000000000080 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac32360ac4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fac325a9498 RBP: 00007fac325a9490 R08: 00000000ffffffff R09: 0000000000000000 usb 3-1: Invalid ep0 maxpacket: 512 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb6edbb5c R14: 0000000000000000 R15: 0000000000000000 task:kthreadd state:S stack:28128 pid:2 ppid:0 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 kthreadd+0x59a/0x750 kernel/kthread.c:734 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:rcu_gp state:I stack:30280 pid:3 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:rcu_par_gp state:I stack:30896 pid:4 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: new low-speed USB device number 104 using dummy_hcd schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:slub_flushwq state:I stack:30896 pid:5 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:netns state:I stack:30896 pid:6 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:0H state:I stack:29368 pid:8 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/u4:0 state:I stack:25456 pid:9 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 usb 3-1: Invalid ep0 maxpacket: 512 task:mm_percpu_wq state:I stack:30896 pid:10 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb usb3-port1: attempt power cycle schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:rcu_tasks_kthre state:I stack:29304 pid:11 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rcu_tasks_one_gp+0x3e5/0xc70 kernel/rcu/tasks.h:514 rcu_tasks_kthread+0x84/0xb0 kernel/rcu/tasks.h:552 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:1 state:D stack:18624 pid:12 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 usb_start_wait_urb+0x144/0x4b0 drivers/usb/core/message.c:63 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x320/0x4a0 drivers/usb/core/message.c:153 hub_set_address drivers/usb/core/hub.c:4653 [inline] hub_port_init+0x28d8/0x35d0 drivers/usb/core/hub.c:4933 hub_port_connect drivers/usb/core/hub.c:5336 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x2b5d/0x4810 drivers/usb/core/hub.c:5793 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:ksoftirqd/0 state:S stack:25328 pid:13 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:rcu_preempt state:I stack:29352 pid:14 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x190/0x720 kernel/rcu/tree.c:1656 rcu_gp_kthread+0x1a7/0x250 kernel/rcu/tree.c:1855 kthread+0x2ee/0x3a0 kernel/kthread.c:376 usb 3-1: new low-speed USB device number 105 using dummy_hcd ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:migration/0 state:S stack:30288 pid:15 ppid:2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:cpuhp/0 state:S stack:27128 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:cpuhp/1 state:S stack:27840 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: Invalid ep0 maxpacket: 512 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:migration/1 state:S stack:30288 pid:18 ppid:2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:ksoftirqd/1 state:S stack:24880 pid:19 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 smpboot_thread_fn+0x2f3/0xa20 kernel/smpboot.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:0H state:I stack:29648 pid:21 ppid:2 flags:0x00004000 usb 3-1: new low-speed USB device number 106 using dummy_hcd Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kdevtmpfs state:S stack:27576 pid:22 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 devtmpfs_work_loop drivers/base/devtmpfs.c:415 [inline] devtmpfsd+0x28e/0x2af drivers/base/devtmpfs.c:448 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:inet_frag_wq state:I stack:30560 pid:23 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 usb 3-1: Invalid ep0 maxpacket: 512 kthread+0x2ee/0x3a0 kernel/kthread.c:376 usb usb3-port1: unable to enumerate USB device ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kauditd state:S stack:29904 pid:24 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 kauditd_thread+0x4dc/0x9c0 kernel/audit.c:901 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:khungtaskd state:S stack:29720 pid:25 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 watchdog+0xfd/0xfc0 kernel/hung_task.c:381 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:oom_reaper state:S stack:30528 pid:27 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 oom_reaper+0xe4c/0x1060 mm/oom_kill.c:647 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:writeback state:I stack:30896 pid:28 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kcompactd0 state:S stack:29448 pid:29 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 kcompactd+0xa3a/0xd80 mm/compaction.c:2949 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kblockd state:I stack:30024 pid:30 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:blkcg_punt_bio state:I stack:30896 pid:31 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:tpm_dev_wq state:I stack:30896 pid:32 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:ata_sff state:I stack:30896 pid:34 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:md state:I stack:30024 pid:35 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:edac-poller state:I stack:30024 pid:36 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 usb 3-1: new low-speed USB device number 107 using dummy_hcd ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/0:1H state:I stack:27848 pid:38 ppid:2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:rpciod state:I stack:30896 pid:39 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:xprtiod state:I stack:30896 pid:40 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:cfg80211 state:I stack:30896 pid:41 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kswapd0 state:S stack:30296 pid:65 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: Invalid ep0 maxpacket: 512 schedule+0xde/0x1b0 kernel/sched/core.c:6682 kswapd_try_to_sleep mm/vmscan.c:7318 [inline] kswapd+0xd53/0xfc0 mm/vmscan.c:7380 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:nfsiod state:I stack:30216 pid:67 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:acpi_thermal_pm state:I stack:30024 pid:101 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 usb 3-1: new low-speed USB device number 108 using dummy_hcd kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:hwrng state:S stack:29320 pid:145 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167 add_hwgenerator_randomness+0xb8/0x170 drivers/char/random.c:944 hwrng_fillfn+0x261/0x3e0 drivers/char/hw_random/core.c:529 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:scsi_eh_0 state:S stack:30176 pid:188 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 scsi_error_handler+0x52b/0xe40 drivers/scsi/scsi_error.c:2260 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:scsi_tmf_0 state:I stack:30024 pid:189 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:target_completi state:I stack:30568 pid:209 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:target_submissi state:I stack:30024 pid:212 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: Invalid ep0 maxpacket: 512 usb usb3-port1: attempt power cycle schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:xcopy_wq state:I stack:30896 pid:213 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/u4:4 state:D stack:27080 pid:218 ppid:2 flags:0x00004000 Workqueue: events_unbound fsnotify_connector_destroy_workfn Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x1e1/0x2a0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:1283 fsnotify_connector_destroy_workfn+0x4d/0xa0 fs/notify/mark.c:208 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:libertastf state:I stack:30216 pid:280 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:zd1211rw state:I stack:30216 pid:299 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:u132 state:I stack:30824 pid:362 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: new low-speed USB device number 109 using dummy_hcd schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:uas state:I stack:30432 pid:375 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:usbip_event state:I stack:30024 pid:662 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 usb 3-1: Invalid ep0 maxpacket: 512 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:pvrusb2-context state:S stack:26376 pid:878 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 pvr2_context_thread_func+0x5e2/0x850 drivers/media/usb/pvrusb2/pvrusb2-context.c:160 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kvub300c state:I stack:30152 pid:911 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 usb 3-1: new low-speed USB device number 110 using dummy_hcd kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kvub300p state:I stack:30216 pid:912 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kvub300d state:I stack:30560 pid:913 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 usb 3-1: Invalid ep0 maxpacket: 512 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kmemstick state:I stack:30896 pid:917 ppid:2 flags:0x00004000 Call Trace: usb usb3-port1: unable to enumerate USB device context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:elousb state:I stack:30824 pid:934 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:mld state:I stack:30560 pid:1078 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:ipv6_addrconf state:I stack:30560 pid:1079 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:kworker/1:1H state:I stack:27856 pid:2311 ppid:2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 worker_thread+0x160/0x1090 kernel/workqueue.c:2457 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:jbd2/sda1-8 state:S stack:26880 pid:2313 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 kjournald2+0x723/0x890 fs/jbd2/journal.c:246 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:ext4-rsv-conver state:I stack:30896 pid:2314 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rescuer_thread+0x784/0xcf0 kernel/workqueue.c:2599 kthread+0x2ee/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 task:syslogd state:S stack:26088 pid:2330 ppid:1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_timeout+0x1e1/0x2a0 kernel/time/timer.c:2143 __skb_wait_for_more_packets+0x3f8/0x5e0 net/core/datagram.c:120 __unix_dgram_recvmsg+0x206/0xb90 net/unix/af_unix.c:2458 sock_recvmsg_nosec net/socket.c:995 [inline] sock_recvmsg net/socket.c:1013 [inline] sock_recvmsg net/socket.c:1009 [inline] sock_read_iter+0x348/0x480 net/socket.c:1086 call_read_iter include/linux/fs.h:2183 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x7fa/0x930 fs/read_write.c:470 ksys_read+0x1ec/0x250 fs/read_write.c:613 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff6cd4cf8fe RSP: 002b:00007fff8490ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff6cd4cf8fe RDX: 00000000000000ff RSI: 00005651eb8a8950 RDI: 0000000000000000 RBP: 00005651eb8a8910 R08: 00007ff6cd55f040 R09: 00007ff6cd55f0c0 R10: 00007ff6cd55efc0 R11: 0000000000000246 R12: 00005651eb8a898a R13: 00005651eb8a8950 R14: 0000000000000000 R15: 0000000000000000 task:acpid state:S stack:24352 pid:2333 ppid:1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xa20/0x27c0 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_hrtimeout_range_clock+0x34b/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x119c/0x16a0 fs/select.c:607