rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2666 jiffies s: 49773 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: kernel_wait4+0x16c/0x280 kernel/exit.c:1851 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 20461 Comm: syz.2.3601 Not tainted 6.12.0-rc1-syzkaller-00027-g4a9fe2a8ac53 #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 f1 eb 0d ff eb a0 e8 7a ec 0d RSP: 0018:ffffc90000006f60 EFLAGS: 00000002 RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff82a076c5 RDI: ffffffff936356a0 RBP: ffffffff93635660 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000005b R14: ffffffff82a07660 R15: 0000000000000000 FS: 000055557c29b500(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2406d9 CR3: 00000001159fa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x21f/0x3d0 arch/x86/kernel/dumpstack.c:285 sched_show_task kernel/sched/core.c:7582 [inline] sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557 show_state_filter+0xee/0x320 kernel/sched/core.c:7627 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+0x330/0x710 drivers/hid/hid-core.c:1644 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+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xac/0x110 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:217 Code: 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 54 15 00 00 85 c0 74 2b 8b 82 30 15 00 00 <83> f8 02 75 20 48 8b 8a 38 15 00 00 8b 92 34 15 00 00 48 8b 01 48 RSP: 0018:ffffc90001e0f890 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888124cb7540 RCX: dffffc0000000000 RDX: ffff8881296bd7c0 RSI: ffffffff81a3d40c RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 00007f2727adb000 R13: 0000000000000000 R14: 00007f2727cdafff R15: 00007f2727adb000 validate_mm+0xfc/0x4d0 mm/vma.c:537 mmap_region+0x940/0x2900 mm/mmap.c:1559 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7f272865e033 Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7 RSP: 002b:00007ffc8fcaaf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: fffffffffffff000 RCX: 00007f272865e033 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffc8fcab0c0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 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: 0033:0x7fb458c64213 RSP: 002b:00007ffc626dcac8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000501e RCX: 00007fb458c64213 RDX: 0000000040000000 RSI: 00007ffc626dcadc RDI: 00000000ffffffff RBP: 00007ffc626dcadc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:26784 pid:20508 tgid:20508 ppid:20497 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442 call_modprobe kernel/module/kmod.c:103 [inline] __request_module+0x3f6/0x6c0 kernel/module/kmod.c:173 dev_load+0x1ff/0x240 net/core/dev_ioctl.c:645 task:syz-executor state:D stack:26784 pid:20510 tgid:20510 ppid:20500 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442 task:syz-executor state:S stack:25408 pid:20517 tgid:20517 ppid:2641 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 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: 0033:0x7fb45a2a4213 RSP: 002b:00007fff8298edc8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000005037 RCX: 00007fb45a2a4213 RDX: 0000000040000000 RSI: 00007fff8298eddc RDI: 00000000ffffffff RBP: 00007fff8298eddc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:25728 pid:20535 tgid:20535 ppid:20517 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:kworker/u8:3 state:I stack:29680 pid:20537 tgid:20537 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 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:kworker/u8:6 state:I stack:29664 pid:20736 tgid:20736 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 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:modprobe state:R running task stack:24704 pid:20979 tgid:20979 ppid:16692 flags:0x00000002 Call Trace: task:kworker/u8:1 state:R running task stack:32568 pid:20987 tgid:20987 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25136 pid:20991 tgid:20991 ppid:8529 flags:0x00000002 Call Trace: task:kworker/u8:4 state:R running task stack:32568 pid:20992 tgid:20992 ppid:8524 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:20995 tgid:20995 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f721d0cfa90 RSP: 002b:00007ffed2949578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f721d1c0860 RCX: 00007f721d0cfa90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f721d1c0860 R08: 0000000000000001 R09: 7b167ace0c477cc7 R10: 00007ffed2949430 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f721d1c4658 R15: 0000000000000001 task:modprobe state:R running task stack:25408 pid:20998 tgid:20998 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7fbc8617ca90 RSP: 002b:00007ffece964888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fbc8626d860 RCX: 00007fbc8617ca90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fbc8626d860 R08: 0000000000000001 R09: f852b49f44c364d8 R10: 00007ffece964740 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fbc86271658 R15: 0000000000000001 task:kworker/u8:2 state:R running task stack:32568 pid:21003 tgid:21003 ppid:17868 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:21004 tgid:21004 ppid:16692 flags:0x00000000 Call Trace: task:kworker/u8:5 state:R running task stack:32568 pid:21006 tgid:21006 ppid:8529 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25136 pid:21008 tgid:21008 ppid:8524 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24704 pid:21009 tgid:21009 ppid:16692 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f700119ba90 RSP: 002b:00007fff268a0778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f700128c860 RCX: 00007f700119ba90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f700128c860 R08: 0000000000000001 R09: 4deabe18f021ccf7 R10: 00007fff268a0630 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f7001290658 R15: 0000000000000001 task:kworker/u8:1 state:R running task stack:32568 pid:21012 tgid:21012 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21016 tgid:21016 ppid:16692 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f31dfcf7a90 RSP: 002b:00007fff7bc05d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f31dfde8860 RCX: 00007f31dfcf7a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f31dfde8860 R08: 0000000000000001 R09: 87ed1145089465f1 R10: 00007fff7bc05c00 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f31dfdec658 R15: 0000000000000001 task:modprobe state:R running task stack:24704 pid:21019 tgid:21019 ppid:16692 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7fcd412e6a90 RSP: 002b:00007ffc2b59f618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fcd413d7860 RCX: 00007fcd412e6a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fcd413d7860 R08: 0000000000000001 R09: 5caec24304d2838a R10: 00007ffc2b59f4d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fcd413db658 R15: 0000000000000001 task:kworker/u8:0 state:R running task stack:32568 pid:21022 tgid:21022 ppid:16692 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:21026 tgid:21026 ppid:28 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25408 pid:21027 tgid:21027 ppid:17868 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7fcf3b297a90 RSP: 002b:00007ffcbec85028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fcf3b388860 RCX: 00007fcf3b297a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fcf3b388860 R08: 0000000000000001 R09: dece8d9fb6314054 R10: 00007ffcbec84ee0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fcf3b38c658 R15: 0000000000000001 task:kworker/u8:4 state:R running task stack:32568 pid:21028 tgid:21028 ppid:8524 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24416 pid:21034 tgid:21034 ppid:17868 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __lock_acquire+0xbdd/0x3ce0 kernel/locking/lockdep.c:5199 task:kworker/u8:2 state:R running task stack:32568 pid:21038 tgid:21038 ppid:17868 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:kworker/u8:1 state:R running task stack:32568 pid:21042 tgid:21042 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:21043 tgid:21043 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f5f12105a90 RSP: 002b:00007ffe8f574c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f5f121f6860 RCX: 00007f5f12105a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f5f121f6860 R08: 0000000000000001 R09: 52742e0bcca509e4 R10: 00007ffe8f574b00 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5f121fa658 R15: 0000000000000001 task:kworker/u8:0 state:R running task stack:32568 pid:21048 tgid:21048 ppid:16692 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21049 tgid:21049 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192 might_resched include/linux/kernel.h:73 [inline] down_write+0x74/0x200 kernel/locking/rwsem.c:1576 task:kworker/u8:5 state:R running task stack:32568 pid:21054 tgid:21054 ppid:8529 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21055 tgid:21055 ppid:17868 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:modprobe state:R running task stack:25408 pid:21060 tgid:21060 ppid:8524 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f01380b6a90 RSP: 002b:00007ffc90188168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f01381a7860 RCX: 00007f01380b6a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f01381a7860 R08: 0000000000000001 R09: 4443cba3a3079907 R10: 00007ffc90188020 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f01381ab658 R15: 0000000000000001 task:kworker/u8:2 state:R running task stack:32568 pid:21062 tgid:21062 ppid:17868 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25136 pid:21065 tgid:21065 ppid:28 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7faa76cb1a90 RSP: 002b:00007ffe76f4f478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007faa76da2860 RCX: 00007faa76cb1a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007faa76da2860 R08: 0000000000000001 R09: e04fa486b8c0d8a9 R10: 00007ffe76f4f330 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007faa76da6658 R15: 0000000000000001 task:kworker/u8:1 state:R running task stack:32568 pid:21068 tgid:21068 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21072 tgid:21072 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 task:modprobe state:R running task stack:25408 pid:21073 tgid:21073 ppid:8524 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192 might_resched include/linux/kernel.h:73 [inline] anon_vma_free mm/rmap.c:132 [inline] __put_anon_vma+0xa3/0x3a0 mm/rmap.c:2560 put_anon_vma include/linux/rmap.h:116 [inline] unlink_anon_vmas+0x58a/0x820 mm/rmap.c:445 free_pgtables+0x33c/0x950 mm/memory.c:409 task:kworker/u8:4 state:R running task stack:28784 pid:21078 tgid:21078 ppid:8524 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:kworker/u8:5 state:R running task stack:28784 pid:21081 tgid:21081 ppid:8529 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854 task:kworker/u8:1 state:R running task stack:32568 pid:21083 tgid:21083 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21087 tgid:21087 ppid:16692 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:kworker/u8:5 state:R running task stack:32568 pid:21089 tgid:21089 ppid:8529 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24416 pid:21094 tgid:21094 ppid:16692 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25408 pid:21096 tgid:21096 ppid:17868 flags:0x00000002 Call Trace: task:kworker/u8:0 state:R running task stack:32568 pid:21101 tgid:21101 ppid:16692 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:21103 tgid:21103 ppid:17868 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691 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: 0033:0x7f51520c5a90 RSP: 002b:00007ffd570873e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f51521b6860 RCX: 00007f51520c5a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f51521b6860 R08: 0000000000000001 R09: fbdcd16678d7d3ea R10: 00007ffd570872a0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f51521ba658 R15: 0000000000000001 task:kworker/u8:2 state:R running task stack:32568 pid:21107 tgid:21107 ppid:17868 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24416 pid:21110 tgid:21110 ppid:28 flags:0x00000002 Call Trace: task:kworker/u8:4 state:R running task stack:32568 pid:21113 tgid:21113 ppid:8524 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:kworker/u8:5 state:R running task stack:32568 pid:21118 tgid:21118 ppid:8529 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:23984 pid:21120 tgid:21120 ppid:17868 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5346 task:modprobe state:R running task stack:25408 pid:21123 tgid:21123 ppid:17868 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:modprobe state:R running task stack:24704 pid:21131 tgid:21131 ppid:8529 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:kworker/u8:5 state:R running task stack:32568 pid:21135 tgid:21135 ppid:8529 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:kworker/u8:4 state:R running task stack:32568 pid:21139 tgid:21139 ppid:8524 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24704 pid:21141 tgid:21141 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 task:kworker/u8:1 state:R running task stack:32568 pid:21145 tgid:21145 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:kworker/u8:2 state:R running task stack:28784 pid:21149 tgid:21149 ppid:17868 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192 _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:5446 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:kworker/u8:5 state:R running task stack:28784 pid:21154 tgid:21154 ppid:8529 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192 _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:5446 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:kworker/u8:2 state:R running task stack:32568 pid:21159 tgid:21159 ppid:17868 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25408 pid:21162 tgid:21162 ppid:16692 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:23984 pid:21165 tgid:21165 ppid:16692 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25408 pid:21168 tgid:21168 ppid:16692 flags:0x00000000 Call Trace: task:kworker/u8:0 state:R running task stack:28784 pid:21175 tgid:21175 ppid:16692 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675