rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (1 GPs behind) idle=f3e4/1/0x4000000000000000 softirq=64572/64574 fqs=2100 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 0 0 0 ==> 52500(ms) rcu: (detected by 1, t=10505 jiffies, g=46237, q=439183 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9320 Comm: syz-executor Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 11 e5 0d ff eb a0 e8 9a e5 0d RSP: 0018:ffffc90000007100 EFLAGS: 00000002 RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff82a096d5 RDI: ffffffff936336a0 RBP: ffffffff93633660 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000005b R14: ffffffff82a09670 R15: 0000000000000000 FS: 000055558a3e5500(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555582fb04a8 CR3: 00000001143b6000 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: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_handle_events_default+0x116/0x1b0 drivers/input/input.c:2641 input_pass_values+0x738/0x880 drivers/input/input.c:126 input_event_dispose drivers/input/input.c:341 [inline] input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369 input_event drivers/input/input.c:398 [inline] input_event+0x83/0xa0 drivers/input/input.c:390 input_sync include/linux/input.h:459 [inline] hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1736 hid_report_raw_event+0x274/0x11c0 drivers/hid/hid-core.c:2047 __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 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:274 [inline] RIP: 0010:_raw_write_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:358 Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 1a ea 41 fa 48 89 df e8 52 71 42 fa e8 dd 26 6c fa fb bf 01 00 00 00 e2 98 36 fa 65 8b 05 c3 54 12 79 85 c0 74 06 5b c3 cc cc cc cc RSP: 0018:ffffc90002a4f9e0 EFLAGS: 00000206 RAX: 000000000001551d RBX: ffffffff88c0a080 RCX: 1ffffffff14ab7a9 RDX: 0000000000000000 RSI: ffffffff8727f220 RDI: 0000000000000001 RBP: ffff888114b4ba80 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8a55f64f R11: 0000000000000000 R12: 1ffff92000549f49 R13: ffff88810fba76d0 R14: ffff88811363d340 R15: ffff88810fba7510 release_task+0xe50/0x1b00 kernel/exit.c:279 wait_task_zombie kernel/exit.c:1250 [inline] wait_consider_task+0x1812/0x4100 kernel/exit.c:1477 do_wait_thread kernel/exit.c:1540 [inline] __do_wait+0x1e2/0x890 kernel/exit.c:1658 do_wait+0x219/0x570 kernel/exit.c:1692 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: 0033:0x7f77aee84213 Code: 00 00 0f 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 31 83 19 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48 RSP: 002b:00007ffe0c884608 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f77aee84213 RDX: 0000000040000001 RSI: 00007ffe0c88463c RDI: 00000000ffffffff RBP: 00007ffe0c88463c R08: 000000000000c9f0 R09: 00007f77afb85080 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000005f R13: 000000000004fd37 R14: 000000000004a725 R15: 00007ffe0c884690 task:kworker/u8:5 state:R running task stack:32568 pid:14857 tgid:14857 ppid:330 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24720 pid:14881 tgid:14881 ppid:1623 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24720 pid:14884 tgid:14884 ppid:83 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7fbe8a228a90 RSP: 002b:00007ffe07ef6368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fbe8a319860 RCX: 00007fbe8a228a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fbe8a319860 R08: 0000000000000001 R09: 7247d698668bf696 R10: 00007ffe07ef6220 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fbe8a31d658 R15: 0000000000000001 task:modprobe state:R running task stack:24000 pid:14888 tgid:14888 ppid:83 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f6397beda90 RSP: 002b:00007ffebd759648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f6397cde860 RCX: 00007f6397beda90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f6397cde860 R08: 0000000000000001 R09: 249abf1d99ca8ed6 R10: 00007ffebd759500 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6397ce2658 R15: 0000000000000001 task:modprobe state:R running task stack:24720 pid:14892 tgid:14892 ppid:83 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24720 pid:14895 tgid:14895 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:14898 tgid:14898 ppid:1623 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25424 pid:14905 tgid:14905 ppid:11718 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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:modprobe state:R running task stack:25424 pid:14909 tgid:14909 ppid:11718 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:14913 tgid:14913 ppid:11718 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f5450763a90 RSP: 002b:00007ffed19ef9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f5450854860 RCX: 00007f5450763a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f5450854860 R08: 0000000000000001 R09: f045200e262611d3 R10: 00007ffed19ef8b0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5450858658 R15: 0000000000000001 task:modprobe state:R running task stack:24720 pid:14915 tgid:14915 ppid:1623 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25424 pid:14920 tgid:14920 ppid:83 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24720 pid:14925 tgid:14925 ppid:11718 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24720 pid:14929 tgid:14929 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24720 pid:14932 tgid:14932 ppid:83 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f438b51ca90 RSP: 002b:00007fffc0798428 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f438b60d860 RCX: 00007f438b51ca90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f438b60d860 R08: 0000000000000001 R09: 12c2ca51e32ca9f0 R10: 00007fffc07982e0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f438b611658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:14936 tgid:14936 ppid:83 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25424 pid:14942 tgid:14942 ppid:11718 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7fa7beaaca90 RSP: 002b:00007ffc07f2bf58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fa7beb9d860 RCX: 00007fa7beaaca90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fa7beb9d860 R08: 0000000000000001 R09: 82c2670cad4703e2 R10: 00007ffc07f2be10 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa7beba1658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:14948 tgid:14948 ppid:83 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25424 pid:14949 tgid:14949 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7effe7a50a90 RSP: 002b:00007ffc84ae6a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007effe7b41860 RCX: 00007effe7a50a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007effe7b41860 R08: 0000000000000001 R09: 4d64b557f5da6116 R10: 00007ffc84ae68e0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007effe7b45658 R15: 0000000000000001 task:modprobe state:R running task stack:26144 pid:14953 tgid:14953 ppid:83 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869 task:modprobe state:R running task stack:24720 pid:14964 tgid:14964 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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:modprobe state:R running task stack:25136 pid:14971 tgid:14971 ppid:11718 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24720 pid:14978 tgid:14978 ppid:330 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7fcb65525a90 RSP: 002b:00007ffc41237138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fcb65616860 RCX: 00007fcb65525a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fcb65616860 R08: 0000000000000001 R09: 3a8a1c64b52620c1 R10: 00007ffc41236ff0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fcb6561a658 R15: 0000000000000001 task:kworker/u8:8 state:R running task stack:32568 pid:14982 tgid:14982 ppid:11718 flags:0x00004000 Call Trace: task:modprobe state:R running task stack:25424 pid:14984 tgid:14984 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7ff0168b5a90 RSP: 002b:00007ffc70cebfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ff0169a6860 RCX: 00007ff0168b5a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007ff0169a6860 R08: 0000000000000001 R09: 3a99f42623e7df31 R10: 00007ffc70cebe90 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ff0169aa658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:14988 tgid:14988 ppid:28 flags:0x00000000 Call Trace: mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4703 task:modprobe state:R running task stack:24720 pid:14992 tgid:14992 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24720 pid:14995 tgid:14995 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7fa705098a90 RSP: 002b:00007ffde7675e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fa705189860 RCX: 00007fa705098a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fa705189860 R08: 0000000000000001 R09: 986127cd1c25dc80 R10: 00007ffde7675d10 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fa70518d658 R15: 0000000000000001 task:modprobe state:R running task stack:25136 pid:15000 tgid:15000 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7faef2708a90 RSP: 002b:00007fff89ac0388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007faef27f9860 RCX: 00007faef2708a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007faef27f9860 R08: 0000000000000001 R09: 434cffaa96620fe8 R10: 00007fff89ac0240 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007faef27fd658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:15003 tgid:15003 ppid:1623 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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 trace_pelt_se_tp+0x100/0x160 include/trace/events/sched.h:798 __update_load_avg_se+0x3fb/0x930 kernel/sched/pelt.c:313 task:modprobe state:R running task stack:24000 pid:15007 tgid:15007 ppid:83 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:24416 pid:15012 tgid:15012 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 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:modprobe state:R running task stack:25424 pid:15019 tgid:15019 ppid:28 flags:0x00000002 Call Trace: task:kworker/u8:8 state:R running task stack:28784 pid:15027 tgid:15027 ppid:11718 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869 task:modprobe state:R running task stack:25424 pid:15035 tgid:15035 ppid:330 flags:0x00000002 Call Trace: task:kworker/u8:5 state:R running task stack:32568 pid:15040 tgid:15040 ppid:330 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25424 pid:15042 tgid:15042 ppid:11718 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:15046 tgid:15046 ppid:11718 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:15055 tgid:15055 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f7ed94c4a90 RSP: 002b:00007ffe28047088 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f7ed95b5860 RCX: 00007f7ed94c4a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f7ed95b5860 R08: 0000000000000001 R09: 5f947d903d1567df R10: 00007ffe28046f40 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f7ed95b9658 R15: 0000000000000001 task:kworker/u8:7 state:R running task stack:32568 pid:15061 tgid:15061 ppid:1623 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24000 pid:15062 tgid:15062 ppid:11718 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:kworker/u8:8 state:R running task stack:32568 pid:15066 tgid:15066 ppid:11718 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24720 pid:15067 tgid:15067 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f50cedb0a90 RSP: 002b:00007ffef57e53d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f50ceea1860 RCX: 00007f50cedb0a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f50ceea1860 R08: 0000000000000001 R09: 59498bcccb4c8d0c R10: 00007ffef57e5290 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f50ceea5658 R15: 0000000000000001 task:modprobe state:R running task stack:25136 pid:15070 tgid:15070 ppid:1623 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f5a84f57a90 RSP: 002b:00007ffc62d7a508 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f5a85048860 RCX: 00007f5a84f57a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f5a85048860 R08: 0000000000000001 R09: c7855f73a6119493 R10: 00007ffc62d7a3c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5a8504c658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:15073 tgid:15073 ppid:83 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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 __split_vma+0xb06/0x1130 mm/vma.c:419 lock_is_held include/linux/lockdep.h:249 [inline] rcu_read_lock_sched_held kernel/rcu/update.c:126 [inline] rcu_read_lock_sched_held+0x3e/0x70 kernel/rcu/update.c:120 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 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain kernel/locking/lockdep.c:3872 [inline] __lock_acquire+0x163e/0x3ce0 kernel/locking/lockdep.c:5202 task:modprobe state:R running task stack:24720 pid:15081 tgid:15081 ppid:330 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25424 pid:15085 tgid:15085 ppid:28 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24000 pid:15093 tgid:15093 ppid:1623 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7f737c7f2a90 RSP: 002b:00007ffe46c88d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f737c8e3860 RCX: 00007f737c7f2a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f737c8e3860 R08: 0000000000000001 R09: 2dca3a3726432120 R10: 00007ffe46c88c30 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f737c8e7658 R15: 0000000000000001 task:modprobe state:R running task stack:25424 pid:15098 tgid:15098 ppid:1623 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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: 0033:0x7fce016b3a90 RSP: 002b:00007ffd431ea4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fce017a4860 RCX: 00007fce016b3a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fce017a4860 R08: 0000000000000001 R09: 5b04c5c731d89266 R10: 00007ffd431ea370 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fce017a8658 R15: 0000000000000001 task:kworker/u8:8 state:R running task stack:28784 pid:15102 tgid:15102 ppid:11718 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 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 task:modprobe state:R running task stack:25424 pid:15109 tgid:15109 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:15114 tgid:15114 ppid:11718 flags:0x00000002 Call Trace: task:kworker/u8:4 state:R running task stack:32568 pid:15119 tgid:15119 ppid:83 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24416 pid:15120 tgid:15120 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:15127 tgid:15127 ppid:330 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 task:modprobe state:R running task stack:25424 pid:15132 tgid:15132 ppid:330 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24720 pid:15138 tgid:15138 ppid:1623 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x1042/0x34b0 kernel/sched/core.c:6690 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869