rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2636 jiffies s: 1473 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: 12376 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: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a08975 RDI: ffffffff93637660
RBP: ffffffff93637620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000005b R14: ffffffff82a08910 R15: 0000000000000000
FS:  00007f9fa0a8ec80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596e9728e58 CR3: 0000000124fd4000 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:get_stack_info+0x4/0xb0 arch/x86/kernel/dumpstack_64.c:193
Code: c7 c7 60 3a cd 88 e8 ab 9a 5a 01 eb dc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <41> 55 49 89 cd 41 54 49 89 d4 55 53 65 48 8b 1d 38 5a f9 7e 48 85
RSP: 0018:ffffc900036befd0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc900036bf0b8 RCX: ffffc900036bf048
RDX: ffffc900036bf028 RSI: ffff88811dc98000 RDI: ffffc900036befd8
RBP: ffff88811dc98000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffc900036bf028 R11: 0000000000000000 R12: ffffc900036befd8
R13: ffffc900036bf048 R14: ffffc900036bf028 R15: ffffc900036bf050
 __unwind_start+0x3f6/0x7f0 arch/x86/kernel/unwind_orc.c:729
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 save_stack+0x162/0x1f0 mm/page_owner.c:156
 __set_page_owner+0x8b/0x560 mm/page_owner.c:320
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0xd5c/0x2630 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x221/0x2270 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0xeb/0x400 mm/mempolicy.c:2265
 get_free_pages_noprof+0xc/0x40 mm/page_alloc.c:4780
 selinux_genfs_get_sid security/selinux/hooks.c:1323 [inline]
 inode_doinit_with_dentry+0x8d3/0x12c0 security/selinux/hooks.c:1546
 selinux_d_instantiate+0x26/0x30 security/selinux/hooks.c:6331
 security_d_instantiate+0x58/0xc0 security/security.c:4063
 d_splice_alias+0x94/0xdf0 fs/dcache.c:2989
 kernfs_iop_lookup+0x286/0x330 fs/kernfs/dir.c:1229
 lookup_open.isra.0+0x806/0x14b0 fs/namei.c:3573
 open_last_lookups fs/namei.c:3694 [inline]
 path_openat+0x904/0x2d60 fs/namei.c:3930
 do_filp_open+0x1dc/0x430 fs/namei.c:3960
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_openat fs/open.c:1446 [inline]
 __se_sys_openat fs/open.c:1441 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1441
 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: 0033:0x7f9fa0bb99a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd620b6490 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f9fa0bb99a4
RDX: 0000000000080000 RSI: 00007ffd620b65c8 RDI: 00000000ffffff9c
RBP: 00007ffd620b65c8 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005596ae8e0b42 R14: 0000000000000001 R15: 00005596ae8fc160
 </TASK>
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:12746 tgid:12746 ppid:433    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12762 tgid:12762 ppid:149    flags:0x00000002
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:25424 pid:12763 tgid:12763 ppid:2695   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
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12764 tgid:12764 ppid:2691   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: 0033:0x7fca47832a90
RSP: 002b:00007ffe2ade2138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fca47923860 RCX: 00007fca47832a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fca47923860 R08: 0000000000000001 R09: 2ba5ca759b7d8fbf
R10: 00007ffe2ade1ff0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fca47927658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12766 tgid:12766 ppid:2695   flags:0x00000002
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:25424 pid:12769 tgid:12769 ppid:2695   flags:0x00000000
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:25424 pid:12772 tgid:12772 ppid:2691   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]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xec/0x260 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3215022d7
RSP: 002b:00007ffc557b60b0 EFLAGS: 00010206
RAX: 00007fb3211f3000 RBX: 0000000000000032 RCX: 0000000000000029
RDX: 00007fb321246d48 RSI: 00007fb3214f45b0 RDI: 000000006fffffff
RBP: 00007ffc557b6210 R08: 000000006ffffdff R09: 000000006ffffeff
R10: 00007fb321434b48 R11: 0000000000000206 R12: 00007fb3214f30c0
R13: 00007ffc557b70e0 R14: 00005642230a3169 R15: 00007fb321529a80
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:12773 tgid:12773 ppid:2695   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:26144 pid:12775 tgid:12775 ppid:2695   flags:0x00000000
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:25424 pid:12778 tgid:12778 ppid:2691   flags:0x00000000
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:24720 pid:12781 tgid:12781 ppid:149    flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690
 lockdep_hardirqs_on+0x7c/0x110 kernel/locking/lockdep.c:4468
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12782 tgid:12782 ppid:2691   flags:0x00000000
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:12786 tgid:12786 ppid:2695   flags:0x00004002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:12787 tgid:12787 ppid:149    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_write+0x74/0x200 kernel/locking/rwsem.c:1576
 vma_start_write include/linux/mm.h:757 [inline]
 free_pgtables+0x50f/0x950 mm/memory.c:408
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12790 tgid:12790 ppid:2691   flags:0x00000002
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:25424 pid:12791 tgid:12791 ppid:149    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:12792 tgid:12792 ppid:2695   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: 0033:0x7fd27544da90
RSP: 002b:00007ffcbe74c7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd27553e860 RCX: 00007fd27544da90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd27553e860 R08: 0000000000000001 R09: fd4e8e71595190e6
R10: 00007ffcbe74c690 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd275542658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:12793 tgid:12793 ppid:149    flags:0x00000002
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:25424 pid:12796 tgid:12796 ppid:2691   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:12800 tgid:12800 ppid:149    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12801 tgid:12801 ppid:2695   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:25424 pid:12803 tgid:12803 ppid:2691   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:12804 tgid:12804 ppid:2695   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12808 tgid:12808 ppid:149    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: 0033:0x7fcbb9b10a90
RSP: 002b:00007fff69883da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fcbb9c01860 RCX: 00007fcbb9b10a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fcbb9c01860 R08: 0000000000000001 R09: b0b0764cb3388534
R10: 00007fff69883c60 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fcbb9c05658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:12811 tgid:12811 ppid:2691   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
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 </TASK>
task:modprobe        state:R  running task     stack:26144 pid:12819 tgid:12819 ppid:149    flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12822 tgid:12822 ppid:2691   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: 0033:0x7f5495c64a90
RSP: 002b:00007ffdc824cc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5495d55860 RCX: 00007f5495c64a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f5495d55860 R08: 0000000000000001 R09: ff172065d5b63d44
R10: 00007ffdc824cae0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5495d59658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12826 tgid:12826 ppid:2691   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: 0033:0x7f24fbc8ea90
RSP: 002b:00007ffd7856bae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f24fbd7f860 RCX: 00007f24fbc8ea90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f24fbd7f860 R08: 0000000000000001 R09: b0cdfe72b6c40e90
R10: 00007ffd7856b9a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f24fbd83658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12827 tgid:12827 ppid:433    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: 0033:0x7f438fb61a90
RSP: 002b:00007ffdf8ac9498 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f438fc52860 RCX: 00007f438fb61a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f438fc52860 R08: 0000000000000001 R09: 2cf6f2a01fbfdf65
R10: 00007ffdf8ac9350 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f438fc56658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12832 tgid:12832 ppid:149    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
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12835 tgid:12835 ppid:2679   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
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12837 tgid:12837 ppid:149    flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12842 tgid:12842 ppid:2691   flags:0x00000002
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:25424 pid:12847 tgid:12847 ppid:2679   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:12854 tgid:12854 ppid:2691   flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12855 tgid:12855 ppid:149    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
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12859 tgid:12859 ppid:149    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: 0033:0x7f0780f5ba90
RSP: 002b:00007ffc4bc32618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f078104c860 RCX: 00007f0780f5ba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f078104c860 R08: 0000000000000001 R09: 02354a6baf214b96
R10: 00007ffc4bc324d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0781050658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12863 tgid:12863 ppid:433    flags:0x00000002
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:25424 pid:12865 tgid:12865 ppid:2679   flags:0x00000000
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:26144 pid:12876 tgid:12876 ppid:2691   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:12878 tgid:12878 ppid:2679   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12879 tgid:12879 ppid:433    flags:0x00000000
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:25424 pid:12882 tgid:12882 ppid:149    flags:0x00000000
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:12883 tgid:12883 ppid:2691   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:12887 tgid:12887 ppid:2691   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:kworker/u8:5    state:R  running task     stack:32568 pid:12890 tgid:12890 ppid:433    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:12891 tgid:12891 ppid:2695   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:12894 tgid:12894 ppid:2695   flags:0x00000000
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:25424 pid:12897 tgid:12897 ppid:433    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: 0033:0x7f1e4ada4a90
RSP: 002b:00007fff5f361528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1e4ae95860 RCX: 00007f1e4ada4a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f1e4ae95860 R08: 0000000000000001 R09: b447c1dcf38fdf45
R10: 00007fff5f3613e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1e4ae99658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:12900 tgid:12900 ppid:433    flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:12902 tgid:12902 ppid:2691   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:25424 pid:12906 tgid:12906 ppid:149    flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12912 tgid:12912 ppid:3237   flags:0x00000000
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:25424 pid:12919 tgid:12919 ppid:2691   flags:0x00000000
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:25424 pid:12921 tgid:12921 ppid:433    flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:12923 tgid:12923 ppid:2691   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: 0033:0x7f8b15a99a90
RSP: 002b:00007ffec8446ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f8b15b8a860 RCX: 00007f8b15a99a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f8b15b8a860 R08: 0000000000000001 R09: 6e15d77a236e8916
R10: 00007ffec8446b60 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f8b15b8e658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:12926 tgid:12926 ppid:149    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6690