rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (1 GPs behind) idle=d45c/1/0x4000000000000000 softirq=32148/32149 fqs=2098 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 0 0 0 ==> 52500(ms) rcu: (detected by 1, t=10503 jiffies, g=24021, q=434248 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2847 Comm: udevd Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #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:416 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 29 0c ff eb a0 e8 ba 29 0c RSP: 0000:ffffc9000181eea0 EFLAGS: 00000002 RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff82a90575 RDI: ffffffff93644920 RBP: ffffffff936448e0 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000008 R12: 0000000000000000 R13: 000000000000005b R14: ffffffff82a90510 R15: 0000000000000000 FS: 00007fd39c9a0c80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdc9d628e8 CR3: 000000011730a000 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:3342 [inline] serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3413 console_emit_next_record kernel/printk/printk.c:3122 [inline] console_flush_all+0x800/0xc60 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86 _printk+0xc8/0x100 kernel/printk/printk.c:2457 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:7711 [inline] sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7686 show_state_filter+0xee/0x320 kernel/sched/core.c:7756 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:2646 input_pass_values+0x738/0x880 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:1546 hid_input_array_field+0x330/0x710 drivers/hid/hid-core.c:1650 hid_process_report drivers/hid/hid-core.c:1700 [inline] hid_report_raw_event+0xabc/0x1280 drivers/hid/hid-core.c:2046 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2116 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+0x17f7/0x3960 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820 handle_softirqs+0x206/0x8d0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fd39caadf31 Code: 48 8b 74 24 08 74 cb 48 8b 15 f3 7e 0f 00 f7 d8 64 89 02 48 83 c8 ff 48 83 c4 18 c3 48 8b 05 96 7f 0f 00 48 8b 80 f8 02 00 00 <48> 85 c0 74 1c 51 ff d0 85 c0 75 04 31 c0 eb 3a 48 8b 15 c0 7e 0f RSP: 002b:00007ffdc9d6ade8 EFLAGS: 00000246 RAX: 00007fd39ceeaac0 RBX: 00005642a53ea420 RCX: 0000564280854e10 RDX: 00000000000000cf RSI: 00007ffdc9d6adf8 RDI: 0000000000000001 RBP: 00007ffdc9d6adf8 R08: 0000000000000001 R09: aa8f283dcd3f7e1c R10: 0000000000000010 R11: 0000000000000246 R12: 0000564280854004 R13: 00005642a5366b80 R14: 0000000000000000 R15: 0000000000000000 task:kworker/u8:1 state:R running task stack:32568 pid:10034 tgid:10034 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25360 pid:10052 tgid:10052 ppid:1467 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24032 pid:10053 tgid:10053 ppid:1696 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10056 tgid:10056 ppid:1467 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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:modprobe state:R running task stack:24032 pid:10058 tgid:10058 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10060 tgid:10060 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10065 tgid:10065 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10068 tgid:10068 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10074 tgid:10074 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fb26aa52a90 RSP: 002b:00007ffdb786c8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb26ab43860 RCX: 00007fb26aa52a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fb26ab43860 R08: 0000000000000001 R09: 35bd665a4a70bc90 R10: 00007ffdb786c7a0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb26ab47658 R15: 0000000000000001 task:modprobe state:R running task stack:24752 pid:10079 tgid:10079 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10081 tgid:10081 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 task:modprobe state:R running task stack:25360 pid:10084 tgid:10084 ppid:1696 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25360 pid:10091 tgid:10091 ppid:1628 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 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+0x15a9/0x3c40 kernel/locking/lockdep.c:5226 task:modprobe state:R running task stack:25360 pid:10095 tgid:10095 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10102 tgid:10102 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f1908735a90 RSP: 002b:00007ffcddc3edc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f1908826860 RCX: 00007f1908735a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f1908826860 R08: 0000000000000001 R09: 8df241c8806ea5ad R10: 00007ffcddc3ec80 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f190882a658 R15: 0000000000000001 task:modprobe state:R running task stack:24032 pid:10104 tgid:10104 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fe6270d0a90 RSP: 002b:00007ffe8f386ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fe6271c1860 RCX: 00007fe6270d0a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fe6271c1860 R08: 0000000000000001 R09: 14b9e0585bdadd79 R10: 00007ffe8f386970 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fe6271c5658 R15: 0000000000000001 task:modprobe state:R running task stack:24032 pid:10107 tgid:10107 ppid:1628 flags:0x00004002 Call Trace: task:modprobe state:R running task stack:24752 pid:10111 tgid:10111 ppid:1467 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fb01a599a90 RSP: 002b:00007fffc04a7c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb01a68a860 RCX: 00007fb01a599a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fb01a68a860 R08: 0000000000000001 R09: 29c75d66872c53bc R10: 00007fffc04a7b20 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb01a68e658 R15: 0000000000000001 task:modprobe state:R running task stack:24032 pid:10115 tgid:10115 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10119 tgid:10119 ppid:1467 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25360 pid:10127 tgid:10127 ppid:1696 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 task:modprobe state:R running task stack:25360 pid:10128 tgid:10128 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:kworker/u8:9 state:R running task stack:32568 pid:10136 tgid:10136 ppid:1696 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24752 pid:10137 tgid:10137 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10144 tgid:10144 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 task:modprobe state:R running task stack:25360 pid:10147 tgid:10147 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fb5bdb15a90 RSP: 002b:00007ffda2551228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb5bdc06860 RCX: 00007fb5bdb15a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fb5bdc06860 R08: 0000000000000001 R09: 27ec04fc54d60411 R10: 00007ffda25510e0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb5bdc0a658 R15: 0000000000000001 task:modprobe state:R running task stack:24032 pid:10152 tgid:10152 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 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+0x15a9/0x3c40 kernel/locking/lockdep.c:5226 task:kworker/u8:8 state:R running task stack:32568 pid:10158 tgid:10158 ppid:1628 flags:0x00004000 Call Trace: task:modprobe state:R running task stack:24752 pid:10159 tgid:10159 ppid:1696 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10163 tgid:10163 ppid:1696 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:kworker/u8:8 state:R running task stack:32568 pid:10167 tgid:10167 ppid:1628 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:24896 pid:10172 tgid:10172 ppid:1467 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 __cond_resched+0x1b/0x30 kernel/sched/core.c:7280 _cond_resched include/linux/sched.h:2056 [inline] task_work_run+0x16e/0x250 kernel/task_work.c:241 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xad8/0x2ce0 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f8df8f6ea90 RSP: 002b:00007ffe0f230718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f8df905f860 RCX: 00007f8df8f6ea90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f8df905f860 R08: 0000000000000001 R09: c78d2b80c5ee5160 R10: 00007ffe0f2305d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f8df9063658 R15: 0000000000000001 task:modprobe state:R running task stack:27688 pid:10176 tgid:10176 ppid:1696 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10184 tgid:10184 ppid:28 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25360 pid:10188 tgid:10188 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10191 tgid:10191 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fac60976a90 RSP: 002b:00007ffcc29662d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fac60a67860 RCX: 00007fac60976a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fac60a67860 R08: 0000000000000001 R09: f4de2355d2dcf8f4 R10: 00007ffcc2966190 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fac60a6b658 R15: 0000000000000001 task:modprobe state:R running task stack:24032 pid:10196 tgid:10196 ppid:37 flags:0x00000002 Call Trace: task:kworker/u8:6 state:R running task stack:32568 pid:10201 tgid:10201 ppid:1467 flags:0x00004000 Call Trace: ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:modprobe state:R running task stack:25360 pid:10206 tgid:10206 ppid:28 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:25360 pid:10210 tgid:10210 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10218 tgid:10218 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fc94df04a90 RSP: 002b:00007fff7b71a4c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc94dff5860 RCX: 00007fc94df04a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fc94dff5860 R08: 0000000000000001 R09: b63a0e50c8d675bd R10: 00007fff7b71a380 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc94dff9658 R15: 0000000000000001 task:modprobe state:R running task stack:25360 pid:10225 tgid:10225 ppid:1628 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 lockdep_hardirqs_on+0x7c/0x110 kernel/locking/lockdep.c:4468 task:modprobe state:R running task stack:25360 pid:10228 tgid:10228 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f2bce26ba90 RSP: 002b:00007ffec38f3718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f2bce35c860 RCX: 00007f2bce26ba90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f2bce35c860 R08: 0000000000000001 R09: 42e1b05c2023f565 R10: 00007ffec38f35d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f2bce360658 R15: 0000000000000001 task:modprobe state:R running task stack:25360 pid:10232 tgid:10232 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 task:modprobe state:R running task stack:25360 pid:10237 tgid:10237 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 task:modprobe state:R running task stack:25360 pid:10238 tgid:10238 ppid:1628 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7eff54f75a90 RSP: 002b:00007ffe94ebf028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007eff55066860 RCX: 00007eff54f75a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007eff55066860 R08: 0000000000000001 R09: 9a09b617a83cda87 R10: 00007ffe94ebeee0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007eff5506a658 R15: 0000000000000001 task:modprobe state:R running task stack:24752 pid:10243 tgid:10243 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f278cb46a90 RSP: 002b:00007ffde37ab578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f278cc37860 RCX: 00007f278cb46a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f278cc37860 R08: 0000000000000001 R09: b44a096e0107aa22 R10: 00007ffde37ab430 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f278cc3b658 R15: 0000000000000001 task:kworker/u8:1 state:R running task stack:32568 pid:10248 tgid:10248 ppid:28 flags:0x00004000 Call Trace: __switch_to_asm+0x70/0x70 task:modprobe state:R running task stack:25360 pid:10251 tgid:10251 ppid:1696 flags:0x00000000 Call Trace: task:modprobe state:R running task stack:24752 pid:10255 tgid:10255 ppid:1696 flags:0x00000002 Call Trace: task:modprobe state:R running task stack:24752 pid:10256 tgid:10256 ppid:1628 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exit_to_user_mode_loop kernel/entry/common.c:102 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] irqentry_exit_to_user_mode+0xdb/0x240 kernel/entry/common.c:231 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f9ea87cca90 RSP: 002b:00007ffc92d0b9e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f9ea88bd860 RCX: 00007f9ea87cca90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f9ea88bd860 R08: 0000000000000001 R09: 06d8f904312bbe3e R10: 00007ffc92d0b8a0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f9ea88c1658 R15: 0000000000000001 task:modprobe state:R running task stack:25360 pid:10260 tgid:10260 ppid:1696 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f705ee99a90 RSP: 002b:00007ffdf5db8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f705ef8a860 RCX: 00007f705ee99a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f705ef8a860 R08: 0000000000000001 R09: bd9e04b788800e93 R10: 00007ffdf5db7ef0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f705ef8e658 R15: 0000000000000001 task:modprobe state:R running task stack:24752 pid:10264 tgid:10264 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:25360 pid:10273 tgid:10273 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fe9d580aa90 RSP: 002b:00007ffe30b8c968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fe9d58fb860 RCX: 00007fe9d580aa90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fe9d58fb860 R08: 0000000000000001 R09: 36f72465ce4cc604 R10: 00007ffe30b8c820 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fe9d58ff658 R15: 0000000000000001 task:modprobe state:R running task stack:24752 pid:10278 tgid:10278 ppid:1628 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10282 tgid:10282 ppid:1467 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5370 task:modprobe state:R running task stack:24752 pid:10284 tgid:10284 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7f24eb7e0a90 RSP: 002b:00007ffd3ac431b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f24eb8d1860 RCX: 00007f24eb7e0a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007f24eb8d1860 R08: 0000000000000001 R09: 8d3ea510fe250bfe R10: 00007ffd3ac43070 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f24eb8d5658 R15: 0000000000000001 task:modprobe state:R running task stack:25360 pid:10290 tgid:10290 ppid:37 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935 task:modprobe state:R running task stack:25360 pid:10294 tgid:10294 ppid:28 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:737 task:modprobe state:R running task stack:25360 pid:10301 tgid:10301 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 do_task_dead+0xd6/0x110 kernel/sched/core.c:6772 do_exit+0x1de2/0x2ce0 kernel/exit.c:989 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 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: 0033:0x7fdb7ac12a90 RSP: 002b:00007ffe83e070c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fdb7ad03860 RCX: 00007fdb7ac12a90 RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00007fdb7ad03860 R08: 0000000000000001 R09: 052d10d7b39e9bf4 R10: 00007ffe83e06f80 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fdb7ad07658 R15: 0000000000000001 task:modprobe state:R running task stack:24752 pid:10306 tgid:10306 ppid:37 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 task:modprobe state:R running task stack:24752 pid:10309 tgid:10309 ppid:28 flags:0x00000000 Call Trace: