syzbot

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2671 jiffies s: 69965 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
 might_resched include/linux/kernel.h:73 [inline]
 down_write+0x74/0x200 kernel/locking/rwsem.c:1576
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2530 Comm: syslogd Not tainted 6.12.0-rc3-syzkaller-00035-g7b5a58952fc3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 7e 60 e8 a3 ff ff ff 31 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 48 8b 15 d4 e4 ad 7e 65 8b 05 d5 e4 ad 7e a9 00 01
RSP: 0018:ffffc90000006af8 EFLAGS: 00000097
RAX: 0000000000000002 RBX: ffffffff8728c720 RCX: ffffffff86e67bf6
RDX: ffff88811639d7c0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 00000000008ee910 R12: ffffc90000006c00
R13: ffffffff8728c720 R14: ffffc90000006c98 R15: ffffc90000006e60
FS:  00007f6c0a10e380(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff3c4e90000 CR3: 00000001165fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 format_decode+0xe5/0xba0 lib/vsprintf.c:2526
 vsnprintf+0x13d/0x1880 lib/vsprintf.c:2755
 sprintf+0xcd/0x110 lib/vsprintf.c:3007
 print_time kernel/printk/printk.c:1362 [inline]
 info_print_prefix+0x25c/0x350 kernel/printk/printk.c:1388
 record_print_text+0x141/0x400 kernel/printk/printk.c:1437
 printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978
 console_emit_next_record kernel/printk/printk.c:3046 [inline]
 console_flush_all+0x6ec/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:7589 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7564
 show_state_filter+0xee/0x320 kernel/sched/core.c:7634
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:352 [inline]
 input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
 hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:sock_read_iter+0x1ff/0x3b0 net/socket.c:1137
Code: 87 80 86 fb c7 44 24 7c 40 00 00 00 e8 7a 80 86 fb 48 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 72 01 00 00 48 8b 6d 08 31 ff 48 89 ee e8 bd 82 86 fb 48 85
RSP: 0018:ffffc90001bdfc10 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90001bdfd98 RCX: ffffffff85cf5e8f
RDX: 1ffff9200037bfbe RSI: ffffffff85cf5ea6 RDI: ffffc90001bdfdf0
RBP: ffffc90001bdfde8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200037bf83
R13: ffffc90001bdfdbf R14: ffffc90001bdfc48 R15: 0000000000000000
 new_sync_read fs/read_write.c:488 [inline]
 vfs_read+0xa3b/0xbd0 fs/read_write.c:569
 ksys_read+0x1fa/0x260 fs/read_write.c:712
 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: 0033:0x7f6c0a262b6a
Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffef09c8888 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6c0a262b6a
RDX: 00000000000000ff RSI: 00005569c40ca300 RDI: 0000000000000000
RBP: 00005569c40ca2c0 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f6c0a4013a3 R11: 0000000000000246 R12: 00005569c40ca349
R13: 00005569c40ca300 R14: 0000000000000000 R15: 00007f6c0a445a80
 </TASK>
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:28965 tgid:28965 ppid:14451  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28966 tgid:28966 ppid:159    flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28968 tgid:28968 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:28973 tgid:28973 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f11b247fa90
RSP: 002b:00007ffc43001318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f11b2570860 RCX: 00007f11b247fa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f11b2570860 R08: 0000000000000001 R09: 1c9051b30db2310d
R10: 00007ffc430011d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f11b2574658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28977 tgid:28977 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:28983 tgid:28983 ppid:14459  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28984 tgid:28984 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:28986 tgid:28986 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fd7f7493a90
RSP: 002b:00007ffdfe56d4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd7f7584860 RCX: 00007fd7f7493a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd7f7584860 R08: 0000000000000001 R09: c38942dd6d142e93
R10: 00007ffdfe56d390 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd7f7588658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28989 tgid:28989 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7ff1a99b6a90
RSP: 002b:00007ffdab0eee18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff1a9aa7860 RCX: 00007ff1a99b6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff1a9aa7860 R08: 0000000000000001 R09: 6525c073889dbf0f
R10: 00007ffdab0eecd0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff1a9aab658 R15: 0000000000000001
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:28993 tgid:28993 ppid:14459  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:28997 tgid:28997 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:28998 tgid:28998 ppid:25334  flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fa5e129aa90
RSP: 002b:00007fff2f2ef8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa5e138b860 RCX: 00007fa5e129aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa5e138b860 R08: 0000000000000001 R09: c9adce05d1957aa8
R10: 00007fff2f2ef7a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa5e138f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29002 tgid:29002 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29008 tgid:29008 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fa59ada6a90
RSP: 002b:00007ffe1ca2af18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa59ae97860 RCX: 00007fa59ada6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa59ae97860 R08: 0000000000000001 R09: 35656057a8ff6615
R10: 00007ffe1ca2add0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa59ae9b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29014 tgid:29014 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f0536812a90
RSP: 002b:00007ffc71c73cb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f0536903860 RCX: 00007f0536812a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f0536903860 R08: 0000000000000001 R09: 43d2cc85492c7a56
R10: 00007ffc71c73b70 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0536907658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:29017 tgid:29017 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:29022 tgid:29022 ppid:28524  flags:0x00004000
Call Trace:
 <TASK>
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29024 tgid:29024 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fc5c4ac7a90
RSP: 002b:00007ffd91441d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc5c4bb8860 RCX: 00007fc5c4ac7a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fc5c4bb8860 R08: 0000000000000001 R09: f611ac97e28fc3ca
R10: 00007ffd91441c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc5c4bbc658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29028 tgid:29028 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:29029 tgid:29029 ppid:14459  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29036 tgid:29036 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29040 tgid:29040 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29045 tgid:29045 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f9501276a90
RSP: 002b:00007ffff6be3078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f9501367860 RCX: 00007f9501276a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f9501367860 R08: 0000000000000001 R09: 3640b78810bbad3c
R10: 00007ffff6be2f30 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f950136b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29050 tgid:29050 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29051 tgid:29051 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:29055 tgid:29055 ppid:28524  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29056 tgid:29056 ppid:14451  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29063 tgid:29063 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f20da923a90
RSP: 002b:00007ffecfcb5548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f20daa14860 RCX: 00007f20da923a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f20daa14860 R08: 0000000000000001 R09: 14c79cf08c9493f9
R10: 00007ffecfcb5400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f20daa18658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29067 tgid:29067 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f3c12257a90
RSP: 002b:00007fffedaea2a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3c12348860 RCX: 00007f3c12257a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f3c12348860 R08: 0000000000000001 R09: 719489302e2c8706
R10: 00007fffedaea160 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3c1234c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29071 tgid:29071 ppid:159    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29076 tgid:29076 ppid:14459  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29082 tgid:29082 ppid:159    flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f84ad6ada90
RSP: 002b:00007ffe16f52688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f84ad79e860 RCX: 00007f84ad6ada90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f84ad79e860 R08: 0000000000000001 R09: f4a0f76c50ff79c1
R10: 00007ffe16f52540 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f84ad7a2658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29087 tgid:29087 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29092 tgid:29092 ppid:14459  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:29097 tgid:29097 ppid:14451  flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:29106 tgid:29106 ppid:14451  flags:0x00004000
Call Trace:
 <TASK>
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:modprobe        state:R  running task    
 stack:25408 pid:29111 tgid:29111 ppid:14459  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29115 tgid:29115 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:kworker/u8:1    state:R
  running task     stack:32568 pid:29123 tgid:29123 ppid:28524  flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29125 tgid:29125 ppid:14459  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29128 tgid:29128 ppid:25334  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fd4c85a4a90
RSP: 002b:00007ffe08956a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd4c8695860 RCX: 00007fd4c85a4a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd4c8695860 R08: 0000000000000001 R09: 0ddd16da8fef4be2
R10: 00007ffe08956930 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd4c8699658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29133 tgid:29133 ppid:14451  flags:0x0000000a
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f1d47e4ca90
RSP: 002b:00007ffebdcf8648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1d47f3d860 RCX: 00007f1d47e4ca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f1d47f3d860 R08: 0000000000000001 R09: 4ae45b6b3cdbd012
R10: 00007ffebdcf8500 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1d47f41658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:29138 tgid:29138 ppid:14459  flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:29142 tgid:29142 ppid:159    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:29144 tgid:29144 ppid:25334  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f00a7a48a90
RSP: 002b:00007ffc24ad8e38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f00a7b39860 RCX: 00007f00a7a48a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f00a7b39860 R08: 0000000000000001 R09: 38181e3e6e117041
R10: 00007ffc24ad8cf0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f00a7b3d658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:29147 tgid:29147 ppid:14459  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7f48087f4a90
RSP: 002b:00007ffd85b68698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f48088e5860 RCX: 00007f48087f4a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f48088e5860 R08: 0000000000000001 R09: 5d577f72e0fddf1a
R10: 00007ffd85b68550 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f48088e9658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29154 tgid:29154 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:29156 tgid:29156 ppid:14459  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:29162 tgid:29162 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29164 tgid:29164 ppid:14459  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
 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: 0033:0x7fe7b7d73a90
RSP: 002b:00007ffedd4addc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe7b7e64860 RCX: 00007fe7b7d73a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe7b7e64860 R08: 0000000000000001 R09: 94f4c5d199930bd2
R10: 00007ffedd4adc80 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe7b7e68658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R
  running task     stack:25408 pid:29169 tgid:29169 ppid:28524  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xec/0x260 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7fd3bdfb74
RSP: 002b:00007ffe9a42bb88 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f7fd39344f8 RCX: 00007f7fd3a0f68a
RDX: 00007f7fd393619c RSI: 00007ffe9a42bee0 RDI: 00007f7fd392c723
RBP: 00007f7fd392c723 R08: 0000000000000000 R09: 000000000000000d
R10: 00007ffe9a42bc90 R11: 0000000000000246 R12: 00007ffe9a42bee0
R13: 0000000000000001 R14: 00007f7fd3aea658 R15: 0000000000000001
 </TASK>
task:kworker/u8:0    state:R  running task     stack:32568 pid:29174 tgid:29174 ppid:25334  flags:0x00004000
Call Trace:
 <TASK>
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29175 tgid:29175 ppid:14451  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29178 tgid:29178 ppid:28524  flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:29180 tgid:29180 ppid:14451  flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29186 tgid:29186 ppid:159    flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:29189 tgid:29189 ppid:14459  flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6682
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7199
 might_resched include/linux/kernel.h:73 [inline]
 down_read+0x78/0x330 kernel/locking/rwsem.c:1523
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:29194 tgid:29194 ppid:159    flags:0x00004002
Call Trace:
 <TASK>