INFO: rcu detected stall in sys_mkdir (8)

Status: auto-obsoleted due to no activity on 2024/12/28 09:04
Subsystems: fs
[Documentation on labels]
First crash: 678d, last: 678d
▶ ▼ Similar bugs (17)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: rcu detected stall in sys_mkdir 1 1 589d 589d 0/3 auto-obsoleted due to no activity on 2025/04/06 10:37
linux-6.6 INFO: rcu detected stall in sys_mkdir (3) 1 1 37d 37d 0/2 upstream: reported on 2026/07/02 03:34
linux-6.1 INFO: rcu detected stall in sys_mkdir 1 1 522d 522d 0/3 auto-obsoleted due to no activity on 2025/06/11 20:27
linux-6.1 INFO: rcu detected stall in sys_mkdir (2) origin:lts-only 1 syz, C inconclusive 2 45d 229d 0/3 upstream: reported C repro on 2025/12/22 06:04
upstream INFO: rcu detected stall in sys_mkdir (3) cgroups 1 1 2404d 2404d 0/29 closed as invalid on 2020/01/08 05:33
linux-5.15 INFO: rcu detected stall in sys_mkdir (3) 1 1 153d 153d 0/3 auto-obsoleted due to no activity on 2026/06/16 08:45
upstream INFO: rcu detected stall in sys_mkdir (7) ext4 1 1 1079d 1079d 0/29 auto-obsoleted due to no activity on 2023/10/24 07:40
linux-5.15 INFO: rcu detected stall in sys_mkdir (2) 1 1 323d 323d 0/3 auto-obsoleted due to no activity on 2025/12/28 08:27
linux-6.6 INFO: rcu detected stall in sys_mkdir 1 1 354d 354d 0/2 auto-obsoleted due to no activity on 2025/11/27 00:13
upstream INFO: rcu detected stall in sys_mkdir mm 1 2 2572d 2574d 0/29 auto-closed as invalid on 2019/10/25 14:21
upstream INFO: rcu detected stall in sys_mkdir (2) cgroups 1 5 2439d 2440d 0/29 closed as invalid on 2019/12/04 14:04
upstream INFO: rcu detected stall in sys_mkdir (6) ext4 1 2 1650d 1659d 0/29 closed as invalid on 2022/02/08 09:50
upstream INFO: rcu detected stall in sys_mkdir (4) mm 1 2 2404d 2404d 0/29 closed as invalid on 2020/01/09 08:13
upstream INFO: rcu detected stall in sys_mkdir (9) prio:high mm 1 syz done error 7 7d09h 560d 0/29 upstream: reported syz repro on 2025/01/25 04:35
upstream INFO: rcu detected stall in sys_mkdir (5) tomoyo 1 1 1786d 1786d 0/29 auto-closed as invalid on 2021/12/15 23:48
linux-6.6 INFO: rcu detected stall in sys_mkdir (2) 1 1 246d 246d 0/2 auto-obsoleted due to no activity on 2026/03/14 17:07
android-5-15 BUG: soft lockup in sys_mkdir 1 2 812d 817d 0/2 auto-obsoleted due to no activity on 2024/08/15 15:43

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2678 jiffies s: 10481 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5692 Comm: udevd Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x13/0x70 kernel/kcov.c:217
Code: 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 64 0e ae 7e 65 8b 05 65 0e ae 7e <a9> 00 01 ff 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75
RSP: 0018:ffffc90000006a58 EFLAGS: 00000087
RAX: 0000000000000104 RBX: 0000000000003435 RCX: ffffffff86e54b7d
RDX: ffff8881315c8000 RSI: 0000000000000063 RDI: 0000000000000007
RBP: ffffc90000006b18 R08: 0000000000000007 R09: 0000000000000063
R10: 0000000000000003 R11: 00000000000e2710 R12: 0000000000000003
R13: 000000000000000a R14: ffffc90080006e5f R15: 0000000000000000
FS:  00007ff472081c80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005624e76d00b8 CR3: 000000011c040000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 put_dec_trunc8+0x2a7/0x370 lib/vsprintf.c:233
 number+0x9ac/0xb80 lib/vsprintf.c:511
 vsnprintf+0x92a/0x1880 lib/vsprintf.c:2869
 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+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7582 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557
 show_state_filter+0xee/0x320 kernel/sched/core.c:7627
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:352 [inline]
 input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
 hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
 hid_input_array_field+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+0x20c/0xcc0 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:mt_write_locked lib/maple_tree.c:776 [inline]
RIP: 0010:mt_slot_locked lib/maple_tree.c:795 [inline]
RIP: 0010:mas_slot_locked lib/maple_tree.c:808 [inline]
RIP: 0010:mas_find_child lib/maple_tree.c:1765 [inline]
RIP: 0010:mas_topiary_replace+0x5c9/0x3620 lib/maple_tree.c:2566
Code: 84 e8 db 60 74 fa 48 8b 44 24 08 0f b6 00 84 c0 74 08 3c 03 0f 8e ea 24 00 00 44 8b 65 40 bf 00 03 00 00 41 81 e4 00 03 00 00 <44> 89 e6 e8 ef 62 74 fa 41 81 fc 00 03 00 00 0f 85 17 01 00 00 e8
RSP: 0018:ffffc900106fefe0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff86e154ab
RDX: ffff8881315c8000 RSI: ffffffff86e154b5 RDI: 0000000000000300
RBP: ffff88811d3f2018 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffff88811d5b960c R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88811d5b8c50
 mas_wmb_replace lib/maple_tree.c:2643 [inline]
 mas_split+0x99e/0x10b0 lib/maple_tree.c:3373
 mas_commit_b_node.isra.0+0x76/0xb0 lib/maple_tree.c:3393
 mas_wr_bnode+0x156/0x1e0 lib/maple_tree.c:4044
 mas_wr_store_entry+0x9c7/0x30e0 lib/maple_tree.c:4085
 mas_insert lib/maple_tree.c:4322 [inline]
 mas_alloc_cyclic+0xd72/0x1680 lib/maple_tree.c:4367
 mtree_alloc_cyclic+0x172/0x1e0 lib/maple_tree.c:6524
 simple_offset_add+0xc4/0x160 fs/libfs.c:289
 shmem_mknod+0x123/0x240 mm/shmem.c:3585
 shmem_mkdir+0x31/0x60 mm/shmem.c:3634
 vfs_mkdir+0x57d/0x860 fs/namei.c:4257
 do_mkdirat+0x1b1/0x390 fs/namei.c:4280
 __do_sys_mkdir fs/namei.c:4300 [inline]
 __se_sys_mkdir fs/namei.c:4298 [inline]
 __x64_sys_mkdir+0xef/0x140 fs/namei.c:4298
 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: 0033:0x7ff4721ac8c7
Code: 00 00 00 89 ef 89 dd e8 cf 3a 00 00 48 81 c4 b0 00 00 00 89 e8 5b 5d 41 5c c3 66 0f 1f 84 00 00 00 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 a5 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffd10ba4af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffd10ba6826 RCX: 00007ff4721ac8c7
RDX: 000000000000003d RSI: 00000000000001ed RDI: 00007ffd10ba4b00
RBP: 00007ffd10ba5bb0 R08: 00007ffd10ba6820 R09: 0363e6a679b9f601
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd10ba67e8
R13: 0000000000000000 R14: 00007ffd10ba4b50 R15: 00005624af251aeb
 </TASK>
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:9535  tgid:9535  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9555  tgid:9555  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:7    state:R  running task     stack:28784 pid:9568  tgid:9568  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:9577  tgid:9577  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9578  tgid:9578  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f0232a43a90
RSP: 002b:00007ffc7188cb98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f0232b34860 RCX: 00007f0232a43a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f0232b34860 R08: 0000000000000001 R09: b2a70711d6179873
R10: 00007ffc7188ca50 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0232b38658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9584  tgid:9584  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f50754e0a90
RSP: 002b:00007ffe43e35f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f50755d1860 RCX: 00007f50754e0a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f50755d1860 R08: 0000000000000001 R09: bf0d032f6cae2f2f
R10: 00007ffe43e35dd0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f50755d5658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9591  tgid:9591  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f85490aca90
RSP: 002b:00007fff28a33ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f854919d860 RCX: 00007f85490aca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f854919d860 R08: 0000000000000001 R09: 62b52685aebb4f41
R10: 00007fff28a33d80 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f85491a1658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9598  tgid:9598  ppid:36     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9601  tgid:9601  ppid:8917   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:9604  tgid:9604  ppid:36     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9605  tgid:9605  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fe1ea887a90
RSP: 002b:00007fff632b87b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe1ea978860 RCX: 00007fe1ea887a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe1ea978860 R08: 0000000000000001 R09: 00b0b8d194cf45e9
R10: 00007fff632b8670 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe1ea97c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9611  tgid:9611  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fad3bb4aa90
RSP: 002b:00007fffacca7528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fad3bc3b860 RCX: 00007fad3bb4aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fad3bc3b860 R08: 0000000000000001 R09: c9f392c6522ed410
R10: 00007fffacca73e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fad3bc3f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9619  tgid:9619  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:9626  tgid:9626  ppid:50     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:9627  tgid:9627  ppid:8917   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:9630  tgid:9630  ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:9642  tgid:9642  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:9651  tgid:9651  ppid:8917   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f86aa02ba90
RSP: 002b:00007ffd500df3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f86aa11c860 RCX: 00007f86aa02ba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f86aa11c860 R08: 0000000000000001 R09: cd5322de7a153104
R10: 00007ffd500df260 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f86aa120658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9658  tgid:9658  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9667  tgid:9667  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9670  tgid:9670  ppid:8917   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:9680  tgid:9680  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9687  tgid:9687  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fd818d20a90
RSP: 002b:00007ffeb6001dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd818e11860 RCX: 00007fd818d20a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd818e11860 R08: 0000000000000001 R09: d3e03094ae4f2b71
R10: 00007ffeb6001c80 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd818e15658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9693  tgid:9693  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fdbd22b6a90
RSP: 002b:00007ffecb713d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fdbd23a7860 RCX: 00007fdbd22b6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fdbd23a7860 R08: 0000000000000001 R09: 947ef63831eb9af7
R10: 00007ffecb713c50 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdbd23ab658 R15: 0000000000000001
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:9694  tgid:9694  ppid:50     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9703  tgid:9703  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:9713  tgid:9713  ppid:8917   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f70b6b76a90
RSP: 002b:00007ffc8bfc8f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f70b6c67860 RCX: 00007f70b6b76a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f70b6c67860 R08: 0000000000000001 R09: 058b1f5b53d6d2c1
R10: 00007ffc8bfc8dc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f70b6c6b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25120 pid:9720  tgid:9720  ppid:8917   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:9726  tgid:9726  ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9729  tgid:9729  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f6ebe510a90
RSP: 002b:00007ffd221b3e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6ebe601860 RCX: 00007f6ebe510a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f6ebe601860 R08: 0000000000000001 R09: 9b9c02eec8a9c4c7
R10: 00007ffd221b3ce0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f6ebe605658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:9735  tgid:9735  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9737  tgid:9737  ppid:36     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fbe17d18a90
RSP: 002b:00007fff60a3e668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbe17e09860 RCX: 00007fbe17d18a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbe17e09860 R08: 0000000000000001 R09: 8dd617fcd4a5df94
R10: 00007fff60a3e520 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbe17e0d658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9744  tgid:9744  ppid:8917   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4384
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9753  tgid:9753  ppid:8917   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f8716e66a90
RSP: 002b:00007ffea6ef61a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f8716f57860 RCX: 00007f8716e66a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f8716f57860 R08: 0000000000000001 R09: 5dc8d74a63b15b0b
R10: 00007ffea6ef6060 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f8716f5b658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9759  tgid:9759  ppid:8917   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fe832bffa90
RSP: 002b:00007ffd09d7db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe832cf0860 RCX: 00007fe832bffa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe832cf0860 R08: 0000000000000001 R09: 859d48a634d15dd5
R10: 00007ffd09d7d9c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe832cf4658 R15: 0000000000000001
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:9762  tgid:9762  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9767  tgid:9767  ppid:36     flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9781  tgid:9781  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9791  tgid:9791  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:2    state:R
  running task     stack:28352 pid:9793  tgid:9793  ppid:36     flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1db/0x270 kernel/sched/core.c:5446
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9805  tgid:9805  ppid:50     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f0bd8055a90
RSP: 002b:00007fff43d342c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f0bd8146860 RCX: 00007f0bd8055a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f0bd8146860 R08: 0000000000000001 R09: 7c08539c56e17e82
R10: 00007fff43d34180 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0bd814a658 R15: 0000000000000001
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:9807  tgid:9807  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25120 pid:9814  tgid:9814  ppid:36     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4384
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9824  tgid:9824  ppid:46     flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fb0a8827a90
RSP: 002b:00007ffdd594a8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fb0a8918860 RCX: 00007fb0a8827a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fb0a8918860 R08: 0000000000000001 R09: f40876b74748b79b
R10: 00007ffdd594a780 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fb0a891c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9830  tgid:9830  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f917a428a90
RSP: 002b:00007ffd6bd3fe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f917a519860 RCX: 00007f917a428a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f917a519860 R08: 0000000000000001 R09: 7a3c958d5d47d17b
R10: 00007ffd6bd3fcd0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f917a51d658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9837  tgid:9837  ppid:50     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f351f188a90
RSP: 002b:00007fff77361e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f351f279860 RCX: 00007f351f188a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f351f279860 R08: 0000000000000001 R09: 3ab6e7801978657e
R10: 00007fff77361d40 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f351f27d658 R15: 0000000000000001
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:9842  tgid:9842  ppid:50     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9844  tgid:9844  ppid:28     flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f74f563ca90
RSP: 002b:00007ffd280dd068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f74f572d860 RCX: 00007f74f563ca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f74f572d860 R08: 0000000000000001 R09: 887e160a131c039c
R10: 00007ffd280dcf20 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f74f5731658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9851  tgid:9851  ppid:36     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __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:25120 pid:9852  tgid:9852  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7fa606df8a90
RSP: 002b:00007ffd7c4239b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa606ee9860 RCX: 00007fa606df8a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fa606ee9860 R08: 0000000000000001 R09: 33f2c4cb206f5d0c
R10: 00007ffd7c423870 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa606eed658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9859  tgid:9859  ppid:36     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:9861  tgid:9861  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:9867  tgid:9867  ppid:36     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7ff8eb611a90
RSP: 002b:00007ffedd931a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff8eb702860 RCX: 00007ff8eb611a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff8eb702860 R08: 0000000000000001 R09: 0030b518f0d7c6f3
R10: 00007ffedd931920 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff8eb706658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:9872  tgid:9872  ppid:8917   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:9875  tgid:9875  ppid:8917   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25120 pid:9884  tgid:9884  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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: 0033:0x7f4343f15a90
RSP: 002b:00007ffe38a97258 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4344006860 RCX: 00007f4343f15a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f4344006860 R08: 0000000000000001 R09: 34cb1736e85c7121
R10: 00007ffe38a97110 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f434400a658 R15: 0000000000000001
 </TASK>
task:kworker/u8:2    state:R  running task     stack:32568 pid:9888  tgid:9888  ppid:36     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24688 pid:9892  tgid:9892  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25120 pid:9895  tgid:9895  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1d73/0x2c50 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

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/29 08:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 075dbe9f6e3c ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in sys_mkdir
* Struck through repros no longer work on HEAD.