syzbot

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D
 } 2670 jiffies s: 64645 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2862 Comm: udevd Not tainted 6.12.0-rc4-syzkaller-00052-gc6d9e43954bf #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 31 f0 0d ff eb a0 e8 ba f0 0d
RSP: 0018:ffffc90000006f58 EFLAGS: 00000002
RAX: 0000000000000033 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a08975 RDI: ffffffff93637660
RBP: ffffffff93637620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000033 R14: ffffffff82a08910 R15: 0000000000000000
FS:  00007f2121b2ac80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc43d6f18a0 CR3: 0000000117e28000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 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:7604 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7579
 show_state_filter+0xee/0x320 kernel/sched/core.c:7649
 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:352 [inline]
 input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
 hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
 __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+0x17f0/0x3930 drivers/usb/gadget/udc/dummy_hcd.c:1993
 __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:1049 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 82 42 fa 48 89 df e8 0e 00 43 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 b5 2f 37 fa 65 8b 05 56 ed 12 79 85 c0 74 16 5b
RSP: 0018:ffffc9000194fca8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffffffff93501848 RCX: 1ffffffff14ac291
RDX: 0000000000000000 RSI: ffffffff8727f220 RDI: ffffffff8746ebc0
RBP: 0000000000000206 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8a564d8f R11: ffffffff87298080 R12: 0000000000000001
R13: ffff8881313a1840 R14: 1ffff92000329f9c R15: ffffffff93501840
 debug_object_activate+0x34d/0x540 lib/debugobjects.c:726
 debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline]
 __call_rcu_common.constprop.0+0x2c/0x7a0 kernel/rcu/tree.c:3071
 slab_free_hook mm/slub.c:2306 [inline]
 slab_free mm/slub.c:4579 [inline]
 kmem_cache_free+0x2fe/0x480 mm/slub.c:4681
 file_free fs/file_table.c:73 [inline]
 __fput+0x684/0xb60 fs/file_table.c:444
 __fput_sync+0x45/0x50 fs/file_table.c:516
 __do_sys_close fs/open.c:1565 [inline]
 __se_sys_close fs/open.c:1550 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1550
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2121c560a8
Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffda6d4ada8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f2121b2aae0 RCX: 00007f2121c560a8
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c
RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b
R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff
 </TASK>
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39ad308a90
RSP: 002b:00007fff3a683388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f39ad3f9860 RCX: 00007f39ad308a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f39ad3f9860 R08: 0000000000000001 R09: 45e32bdb996ab21d
R10: 00007fff3a683240 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f39ad3fd658 R15: 0000000000000001
 </TASK>
task:kworker/u8:3    state:R
  running task    
 stack:32568 pid:22899 tgid:22899 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22914 tgid:22914 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc7ea757a90
RSP: 002b:00007ffd9e1dc7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc7ea848860 RCX: 00007fc7ea757a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fc7ea848860 R08: 0000000000000001 R09: c2ab904d139dd20f
R10: 00007ffd9e1dc690 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc7ea84c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22921 tgid:22921 ppid:22614  flags:0x00000008
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 might_resched include/linux/kernel.h:73 [inline]
 might_alloc include/linux/sched/mm.h:321 [inline]
 might_alloc include/linux/sched/mm.h:316 [inline]
 slab_pre_alloc_hook mm/slub.c:4036 [inline]
 slab_alloc_node mm/slub.c:4114 [inline]
 kmem_cache_alloc_noprof+0x24c/0x2b0 mm/slub.c:4141
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:22930 tgid:22930 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22933 tgid:22933 ppid:12048  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:22936 tgid:22936 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22937 tgid:22937 ppid:22614  flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff50a34da90
RSP: 002b:00007ffeb54eca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff50a43e860 RCX: 00007ff50a34da90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff50a43e860 R08: 0000000000000001 R09: 4c54416f5089060b
R10: 00007ffeb54ec8c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff50a442658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22942 tgid:22942 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff80a0c5a90
RSP: 002b:00007ffd01f4e6a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff80a1b6860 RCX: 00007ff80a0c5a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff80a1b6860 R08: 0000000000000001 R09: 9314d329449dd652
R10: 00007ffd01f4e560 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff80a1ba658 R15: 0000000000000001
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:22944 tgid:22944 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:22947 tgid:22947 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e8bd14a90
RSP: 002b:00007fff5116cd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f9e8be05860 RCX: 00007f9e8bd14a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f9e8be05860 R08: 0000000000000001 R09: 6a776fad60faf376
R10: 00007fff5116cc50 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9e8be09658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22952 tgid:22952 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ae5ce3a90
RSP: 002b:00007ffc71ebe558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f9ae5dd4860 RCX: 00007f9ae5ce3a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f9ae5dd4860 R08: 0000000000000001 R09: 3da06c4458037916
R10: 00007ffc71ebe410 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9ae5dd8658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:22955 tgid:22955 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb42ad0a90
RSP: 002b:00007ffe6dcbe928 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbb42bc1860 RCX: 00007fbb42ad0a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbb42bc1860 R08: 0000000000000001 R09: bc6a676929640e47
R10: 00007ffe6dcbe7e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbb42bc5658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:27680 pid:22956 tgid:22956 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:22958 tgid:22958 ppid:22671  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22962 tgid:22962 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:3    state:R  running task     stack:28784 pid:22966 tgid:22966 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:22968 tgid:22968 ppid:12048  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:2    state:R  running task     stack:28784 pid:22970 tgid:22970 ppid:37     flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:22976 tgid:22976 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:22980 tgid:22980 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22981 tgid:22981 ppid:22671  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22983 tgid:22983 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe3e67cda90
RSP: 002b:00007ffcb6a51ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe3e68be860 RCX: 00007fe3e67cda90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe3e68be860 R08: 0000000000000001 R09: 9aa6b93956833302
R10: 00007ffcb6a51970 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe3e68c2658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:22987 tgid:22987 ppid:22671  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:22989 tgid:22989 ppid:22614  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24000 pid:22990 tgid:22990 ppid:12046  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:22997 tgid:22997 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:23006 tgid:23006 ppid:37     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23009 tgid:23009 ppid:12046  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23011 tgid:23011 ppid:22614  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f00faae4a90
RSP: 002b:00007ffc20bced28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f00fabd5860 RCX: 00007f00faae4a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f00fabd5860 R08: 0000000000000001 R09: a9c822ec66ebf0c2
R10: 00007ffc20bcebe0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f00fabd9658 R15: 0000000000000001
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:23014 tgid:23014 ppid:22671  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23017 tgid:23017 ppid:12046  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23018 tgid:23018 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4639127a90
RSP: 002b:00007fffae1ec328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4639218860 RCX: 00007f4639127a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f4639218860 R08: 0000000000000001 R09: c7eca1035fe4b64e
R10: 00007fffae1ec1e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f463921c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23023 tgid:23023 ppid:12046  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5346
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23026 tgid:23026 ppid:12048  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:23027 tgid:23027 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23031 tgid:23031 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 might_resched include/linux/kernel.h:73 [inline]
 down_read+0x78/0x330 kernel/locking/rwsem.c:1523
 anon_vma_lock_read include/linux/rmap.h:136 [inline]
 validate_mm+0x1ba/0x4d0 mm/vma.c:562
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:23033 tgid:23033 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23038 tgid:23038 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:23040 tgid:23040 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:23043 tgid:23043 ppid:37     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23049 tgid:23049 ppid:22671  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23050 tgid:23050 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a6ada9a90
RSP: 002b:00007ffe42af2c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5a6ae9a860 RCX: 00007f5a6ada9a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f5a6ae9a860 R08: 0000000000000001 R09: 4cb779cca8f0a2c7
R10: 00007ffe42af2b10 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5a6ae9e658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:23054 tgid:23054 ppid:12048  flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64ccef5a90
RSP: 002b:00007ffcefd3d3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f64ccfe6860 RCX: 00007f64ccef5a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f64ccfe6860 R08: 0000000000000001 R09: 852b8d6d0753272a
R10: 00007ffcefd3d280 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f64ccfea658 R15: 0000000000000001
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:23057 tgid:23057 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23061 tgid:23061 ppid:12048  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 rcu_lock_release include/linux/rcupdate.h:347 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 page_ext_put+0x3e/0xd0 mm/page_ext.c:550
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:23068 tgid:23068 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23069 tgid:23069 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:23074 tgid:23074 ppid:22614  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23078 tgid:23078 ppid:22698  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:0    state:R  running task     stack:32568 pid:23080 tgid:23080 ppid:22614  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23084 tgid:23084 ppid:12048  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:23090 tgid:23090 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23092 tgid:23092 ppid:12048  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:23095 tgid:23095 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23098 tgid:23098 ppid:22614  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0xdb/0x240 kernel/entry/common.c:231
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcdccbc9a90
RSP: 002b:00007fffbc1e1318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fcdcccba860 RCX: 00007fcdccbc9a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fcdcccba860 R08: 0000000000000001 R09: 39680c1eb8276afe
R10: 00007fffbc1e11d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fcdcccbe658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:23100 tgid:23100 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:0    state:R  running task     stack:28784 pid:23102 tgid:23102 ppid:22614  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1dc/0x270 kernel/sched/core.c:5459
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012
 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:23105 tgid:23105 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23112 tgid:23112 ppid:12046  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:28784 pid:23115 tgid:23115 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:4    state:R  running task     stack:28784 pid:23116 tgid:23116 ppid:12048  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1dc/0x270 kernel/sched/core.c:5459
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012
 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23120 tgid:23120 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:6    state:R  running task     stack:32568 pid:23126 tgid:23126 ppid:22698  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23130 tgid:23130 ppid:12046  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23131 tgid:23131 ppid:37     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3d10350a90
RSP: 002b:00007ffc21ffda98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3d10441860 RCX: 00007f3d10350a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f3d10441860 R08: 0000000000000001 R09: a41254d05f543870
R10: 00007ffc21ffd950 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3d10445658 R15: 0000000000000001
 </TASK>
task:kworker/u8:0    state:R  running task     stack:32568 pid:23132 tgid:23132 ppid:22614  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:23136 tgid:23136 ppid:12048  flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:23138 tgid:23138 ppid:12046  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:23144 tgid:23144 ppid:37     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097