rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2640 jiffies s: 1277 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2532 Comm: acpid Not tainted 6.11.0-rc7-syzkaller-00152-g68d4209158f4 #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 61 ed 0e ff eb a0 e8 ea ed 0e RSP: 0018:ffffc90000006fe0 EFLAGS: 00000002 RAX: 0000000000000031 RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff829bdec5 RDI: ffffffff935cfbc0 RBP: ffffffff935cfb80 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000031 R14: ffffffff829bde60 R15: 0000000000000000 FS: 00007fbd09371740(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c348545050 CR3: 00000001159b6000 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+0xce7/0x1090 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2983 [inline] console_flush_all+0x53c/0xd70 kernel/printk/printk.c:3049 console_unlock+0xae/0x290 kernel/printk/printk.c:3118 vprintk_emit+0x409/0x600 kernel/printk/printk.c:2348 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2373 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] show_trace_log_lvl+0x2ac/0x500 arch/x86/kernel/dumpstack.c:285 sched_show_task kernel/sched/core.c:7432 [inline] sched_show_task+0x42e/0x650 kernel/sched/core.c:7406 show_state_filter+0xee/0x320 kernel/sched/core.c:7477 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:2552 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:1746 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:2015 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2085 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:1689 [inline] __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1770 handle_softirqs+0x209/0x8e0 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:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5727 Code: c1 05 7a b0 cf 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc9000173fa60 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff920002e7f4e RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffffffff8727fcc0 RDI: ffffffff87469a40 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1f4a3dc R10: ffffffff8fa51ee7 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff88ebb660 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:326 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] core_sys_select+0xfe/0xb80 fs/select.c:641 do_pselect.constprop.0+0x1a0/0x1f0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x183/0x240 fs/select.c:795 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: 0033:0x7fbd09440591 Code: 89 44 24 20 4c 8d 64 24 20 48 89 54 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2d 45 31 c9 4d 89 e0 4c 89 f2 b8 0e 01 00 00 0f 05 <48> 89 c3 48 3d 00 f0 ff ff 76 69 48 8b 05 65 58 0d 00 f7 db 64 89 RSP: 002b:00007ffdcb0b10e0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd09440591 RDX: 0000000000000000 RSI: 00007ffdcb0b11d8 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000561838691178 R14: 0000000000000000 R15: 000000000000000a task:kworker/u8:1 state:R running task stack:32568 pid:5432 tgid:5432 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25776 pid:5442 tgid:5442 ppid:1143 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5444 tgid:5444 ppid:72 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25776 pid:5445 tgid:5445 ppid:1143 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5446 tgid:5446 ppid:35 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xce2/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25056 pid:5450 tgid:5450 ppid:72 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 task:kworker/u8:8 state:R running task stack:32568 pid:5453 tgid:5453 ppid:1143 flags:0x00004000 Call Trace: task:modprobe state:R running task stack:26864 pid:5454 tgid:5454 ppid:35 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25152 pid:5456 tgid:5456 ppid:72 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5459 tgid:5459 ppid:28 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7fda009a3a90 RSP: 002b:00007ffe8cfa3ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fda00a94860 RCX: 00007fda009a3a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fda00a94860 R08: 0000000000000001 R09: 9de3caa2c695849f R10: 00007ffe8cfa3b60 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fda00a98658 R15: 0000000000000001 task:modprobe state:R running task stack:25776 pid:5460 tgid:5460 ppid:72 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7f68da2dea90 RSP: 002b:00007ffd7a9b8678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f68da3cf860 RCX: 00007f68da2dea90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f68da3cf860 R08: 0000000000000001 R09: a571a1913a64758d R10: 00007ffd7a9b8530 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f68da3d3658 R15: 0000000000000001 task:modprobe state:R running task stack:25776 pid:5464 tgid:5464 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25056 pid:5468 tgid:5468 ppid:72 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5473 tgid:5473 ppid:72 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7fb597aafa90 RSP: 002b:00007fff2b95e128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb597ba0860 RCX: 00007fb597aafa90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fb597ba0860 R08: 0000000000000001 R09: 5980d602a892ab21 R10: 00007fff2b95dfe0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb597ba4658 R15: 0000000000000001 task:modprobe state:R running task stack:25776 pid:5475 tgid:5475 ppid:28 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5478 tgid:5478 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5482 tgid:5482 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:24544 pid:5483 tgid:5483 ppid:72 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5487 tgid:5487 ppid:72 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25152 pid:5490 tgid:5490 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 task:modprobe state:R running task stack:25152 pid:5491 tgid:5491 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25264 pid:5493 tgid:5493 ppid:72 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7f51ededfa90 RSP: 002b:00007ffccde4e018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f51edfd0860 RCX: 00007f51ededfa90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f51edfd0860 R08: 0000000000000001 R09: b7c41eeb3c789471 R10: 00007ffccde4ded0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f51edfd4658 R15: 0000000000000001 task:modprobe state:R running task stack:25776 pid:5495 tgid:5495 ppid:28 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5499 tgid:5499 ppid:28 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25776 pid:5503 tgid:5503 ppid:28 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 task:modprobe state:R running task stack:25776 pid:5504 tgid:5504 ppid:1143 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5507 tgid:5507 ppid:28 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5509 tgid:5509 ppid:72 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25776 pid:5510 tgid:5510 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5511 tgid:5511 ppid:28 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7f5cf5701a90 RSP: 002b:00007ffe98354cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f5cf57f2860 RCX: 00007f5cf5701a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f5cf57f2860 R08: 0000000000000001 R09: 086c0114c8f33359 R10: 00007ffe98354bb0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5cf57f6658 R15: 0000000000000001 task:modprobe state:R running task stack:25776 pid:5514 tgid:5514 ppid:35 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25056 pid:5518 tgid:5518 ppid:35 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24640 pid:5522 tgid:5522 ppid:35 flags:0x00000002 Call Trace: find_held_lock+0x2d/0x110 kernel/locking/lockdep.c:5249 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 unwind_get_return_address+0x45/0xe0 arch/x86/kernel/unwind_orc.c:366 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5525 tgid:5525 ppid:1143 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6621 task:modprobe state:R running task stack:25776 pid:5527 tgid:5527 ppid:72 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25776 pid:5529 tgid:5529 ppid:35 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 do_task_dead+0xd6/0x110 kernel/sched/core.c:6545 do_exit+0x1d37/0x2b30 kernel/exit.c:933 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 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: 0033:0x7fa0deb70a90 RSP: 002b:00007ffd79925058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fa0dec61860 RCX: 00007fa0deb70a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fa0dec61860 R08: 0000000000000001 R09: 894137557c2650b1 R10: 00007ffd79924f10 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa0dec65658 R15: 0000000000000001 task:kworker/u8:2 state:R running task stack:32568 pid:5533 tgid:5533 ppid:35 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6708 __cond_resched+0x1b/0x30 kernel/sched/core.c:7041 _cond_resched include/linux/sched.h:2007 [inline] stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151 task:modprobe state:R running task stack:25776 pid:5536 tgid:5536 ppid:1143 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25056 pid:5537 tgid:5537 ppid:72 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5540 tgid:5540 ppid:35 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6708 trace_tlb_flush+0x10f/0x170 include/trace/events/tlb.h:38 task:modprobe state:R running task stack:24640 pid:5542 tgid:5542 ppid:1143 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5546 tgid:5546 ppid:1143 flags:0x00000002 Call Trace: find_held_lock+0x2d/0x110 kernel/locking/lockdep.c:5249 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 unwind_get_return_address+0x45/0xe0 arch/x86/kernel/unwind_orc.c:366 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5548 tgid:5548 ppid:35 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 __pfx_mark_lock+0x10/0x10 kernel/locking/lockdep.c:231 task:modprobe state:R running task stack:25776 pid:5553 tgid:5553 ppid:1143 flags:0x00000000 Call Trace: task:modprobe state:R running task stack:25776 pid:5556 tgid:5556 ppid:72 flags:0x00000000 Call Trace: task:modprobe state:R running task stack:25056 pid:5557 tgid:5557 ppid:35 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25776 pid:5561 tgid:5561 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 uprobe_munmap+0x20/0x5d0 kernel/events/uprobes.c:1422 task:modprobe state:R running task stack:25776 pid:5564 tgid:5564 ppid:72 flags:0x00000000 Call Trace: task:modprobe state:R running task stack:25776 pid:5568 tgid:5568 ppid:72 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1040 task:modprobe state:R running task stack:25776 pid:5570 tgid:5570 ppid:28 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6708 task:modprobe state:R running task stack:24640 pid:5572 tgid:5572 ppid:1143 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5574 tgid:5574 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5579 tgid:5579 ppid:35 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 task:modprobe state:R running task stack:25776 pid:5581 tgid:5581 ppid:1143 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xcda/0x2f80 kernel/sched/core.c:6529 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339 task:modprobe state:R running task stack:25776 pid:5586 tgid:5586 ppid:1143 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25152 pid:5590 tgid:5590 ppid:1143 flags:0x00000002