rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-....: (4 ticks this GP) idle=25cc/1/0x4000000000000000 softirq=68203/68203 fqs=16
rcu: hardirqs softirqs csw/system
rcu: number: 0 0 0
rcu: cputime: 0 3 0 ==> 40030(ms)
rcu: (detected by 0, t=10502 jiffies, g=48297, q=1916 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.14.0-rc3-syzkaller-00071-gb331a3d8097f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 e1 69 0c ff eb a0 e8 6a 6a 0c
RSP: 0018:ffffc9000018f1f8 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82c8e085 RDI: ffffffff9366d2a0
RBP: ffffffff9366d260 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000009 R12: 0000000000000000
R13: 0000000000000020 R14: ffffffff9366d260 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f627401ffc8 CR3: 0000000008ca2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_port_out include/linux/serial_core.h:796 [inline]
serial8250_console_putchar drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3387 [inline]
serial8250_console_write+0xfb1/0x1870 drivers/tty/serial/8250/8250_port.c:3465
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
_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:7720 [inline]
sched_show_task+0x424/0x630 kernel/sched/core.c:7695
show_state_filter+0xee/0x320 kernel/sched/core.c:7765
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:2575
input_pass_values+0x6c4/0x890 drivers/input/input.c:127
input_event_dispose drivers/input/input.c:341 [inline]
input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
input_repeat_key+0x260/0x350 drivers/input/input.c:2262
call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1789
expire_timers kernel/time/timer.c:1840 [inline]
__run_timers+0x6e8/0x930 kernel/time/timer.c:2414
__run_timer_base kernel/time/timer.c:2426 [inline]
__run_timer_base kernel/time/timer.c:2418 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2435
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2445
handle_softirqs+0x206/0x8d0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: rcu_preempt kthread starved for 1822 jiffies! g48297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R
running task stack:28504 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
Call Trace:
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2729
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
dev_attr_show+0x53/0xe0 drivers/base/core.c:2423
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x886/0xbf0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
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: 0033:0x7f6fd3061b6a
RSP: 002b:00007fffcacb8c98 EFLAGS: 00000246
kthread+0x3af/0x750 kernel/kthread.c:464
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056270dd84c90 RCX: 00007f6fd3061b6a
RDX: 0000000000001000 RSI: 000056270dde6a00 RDI: 0000000000000008
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
RBP: 000056270dd84c90 R08: 0000000000000008 R09: 0000000000000008
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
R13: 0000000000003fff R14: 00007fffcacb9178 R15: 000000000000000a
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 3980 Comm: syz-execprog Not tainted 6.14.0-rc3-syzkaller-00071-gb331a3d8097f #0
task:udevd state:D
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
stack:28144 pid:11477 tgid:11477 ppid:2842 task_flags:0x400140 flags:0x00004002
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c6/0x12c0 kernel/smp.c:885
Call Trace:
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 8c d5 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 e8 0b 00 00 8b 43 08 31
RSP: 0018:ffffc90001a4f800 EFLAGS: 00000293
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
RAX: 0000000000000000 RBX: ffff8881f5942b40 RCX: ffffffff816f612a
RDX: ffff888113f60000 RSI: ffffffff816f6104 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffffed103eb28569
R13: 0000000000000001 R14: ffff8881f583e3c0 R15: ffff8881f5942b48
FS: 000000c00007e898(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
CR2: 000056270ddf5178 CR3: 0000000113468000 CR4: 00000000003506f0
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2729
dev_attr_show+0x53/0xe0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x886/0xbf0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
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: 0033:0x7f6fd3061b6a
RSP: 002b:00007fffcacb8c98 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056270dd84c90 RCX: 00007f6fd3061b6a
RDX: 0000000000001000 RSI: 000056270ddf8380 RDI: 0000000000000008
RBP: 000056270dd84c90 R08: 0000000000000008 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fffcacb9178 R15: 000000000000000a
task:kworker/1:5 state:I
stack:29864 pid:11493 tgid:11493 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
(events)
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:966 [inline]
flush_tlb_mm_range+0x271/0x4a0 arch/x86/mm/tlb.c:1054
Call Trace:
tlb_flush arch/x86/include/asm/tlb.h:20 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:481 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:471 [inline]
tlb_flush_mmu mm/mmu_gather.c:395 [inline]
tlb_finish_mmu+0x3c9/0x7b0 mm/mmu_gather.c:488
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
zap_page_range_single+0x386/0x550 mm/memory.c:2020
madvise_dontneed_single_vma mm/madvise.c:859 [inline]
madvise_dontneed_free mm/madvise.c:940 [inline]
madvise_vma_behavior mm/madvise.c:1270 [inline]
madvise_walk_vmas mm/madvise.c:1502 [inline]
do_madvise+0x2e43/0x3fb0 mm/madvise.c:1689
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:udevd state:D
__do_sys_madvise mm/madvise.c:1705 [inline]
__se_sys_madvise mm/madvise.c:1703 [inline]
__x64_sys_madvise+0xa9/0x110 mm/madvise.c:1703
stack:27904 pid:11494 tgid:11494 ppid:2842 task_flags:0x400040 flags:0x00000002
Call Trace:
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
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
RIP: 0033:0x476317
Code: 10 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 48 c7 c0 1c 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14
RSP: 002b:000000c000097ed8 EFLAGS: 00000246
ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000010000 RCX: 0000000000476317
RDX: 0000000000000004 RSI: 0000000000010000 RDI: 000000c004cf8000
RBP: 000000c000097f00 R08: 0000000000010000 R09: 0000000000000fff
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
R10: 0000000002673c20 R11: 0000000000000246 R12: 000080c004d07fff
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
R13: 0000000002673c60 R14: 000000c0000068c0 R15: 0000000000000003
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2729
dev_attr_show+0x53/0xe0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x886/0xbf0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
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: 0033:0x7f6fd3061b6a
RSP: 002b:00007fffcacb8c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056270dd84c90 RCX: 00007f6fd3061b6a
RDX: 0000000000001000 RSI: 000056270ddf8380 RDI: 0000000000000008
RBP: 000056270dd84c90 R08: 0000000000000008 R09: 0000000000000020
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fffcacb9178 R15: 000000000000000a
task:udevd state:D stack:28144 pid:11495 tgid:11495 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
d_revalidate fs/namei.c:928 [inline]
d_revalidate fs/namei.c:924 [inline]
lookup_fast+0x260/0x5f0 fs/namei.c:1754
walk_component+0x5b/0x5b0 fs/namei.c:2110
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2479
link_path_walk fs/namei.c:2411 [inline]
path_openat+0x228/0x2d80 fs/namei.c:3985
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1454
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: 0033:0x7f6fd30619a4
RSP: 002b:00007fffcacb8c40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f6fd30619a4
RDX: 0000000000080000 RSI: 00007fffcacb8d78 RDI: 00000000ffffff9c
RBP: 00007fffcacb8d78 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005626d6cf2b42 R14: 0000000000000001 R15: 00005626d6d0e160
task:udevd state:D stack:27904 pid:11496 tgid:11496 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
d_revalidate fs/namei.c:928 [inline]
d_revalidate fs/namei.c:924 [inline]
lookup_fast+0x260/0x5f0 fs/namei.c:1754
walk_component+0x5b/0x5b0 fs/namei.c:2110
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2479
link_path_walk fs/namei.c:2411 [inline]
path_openat+0x228/0x2d80 fs/namei.c:3985
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1454
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: 0033:0x7f6fd30619a4
RSP: 002b:00007fffcacb8c40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f6fd30619a4
RDX: 0000000000080000 RSI: 00007fffcacb8d78 RDI: 00000000ffffff9c
RBP: 00007fffcacb8d78 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005626d6cf2b42 R14: 0000000000000001 R15: 00005626d6d0e160
task:udevd state:D stack:27904 pid:11497 tgid:11497 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
d_revalidate fs/namei.c:928 [inline]
d_revalidate fs/namei.c:924 [inline]
lookup_fast+0x260/0x5f0 fs/namei.c:1754
walk_component+0x5b/0x5b0 fs/namei.c:2110
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2479
link_path_walk fs/namei.c:2411 [inline]
path_openat+0x228/0x2d80 fs/namei.c:3985
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1454
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: 0033:0x7f6fd30619a4
RSP: 002b:00007fffcacbd080 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f6fd30619a4
RDX: 0000000000080000 RSI: 00007fffcacbd1b8 RDI: 00000000ffffff9c
RBP: 00007fffcacbd1b8 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005626d6cf2b42 R14: 0000000000000001 R15: 000056270dd662c0
task:udevd state:D stack:27880 pid:11498 tgid:11498 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
d_revalidate fs/namei.c:928 [inline]
d_revalidate fs/namei.c:924 [inline]
lookup_fast+0x260/0x5f0 fs/namei.c:1754
walk_component+0x5b/0x5b0 fs/namei.c:2110
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2479
link_path_walk fs/namei.c:2411 [inline]
path_openat+0x228/0x2d80 fs/namei.c:3985
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1428
do_sys_open fs/open.c:1443 [inline]
__do_sys_openat fs/open.c:1459 [inline]
__se_sys_openat fs/open.c:1454 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1454
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: 0033:0x7f6fd30619a4
RSP: 002b:00007fffcacb8c40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f6fd30619a4
RDX: 0000000000080000 RSI: 00007fffcacb8d78 RDI: 00000000ffffff9c
RBP: 00007fffcacb8d78 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005626d6cf2b42 R14: 0000000000000001 R15: 00005626d6d0e160
task:syz-executor state:S stack:25984 pid:11500 tgid:11500 ppid:3984 task_flags:0x400100 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
do_wait+0x1db/0x570 kernel/exit.c:1696
kernel_wait4+0x16c/0x280 kernel/exit.c:1850
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1878
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: 0033:0x7f4398154213
RSP: 002b:00007ffeedac8808 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000002cf0 RCX: 00007f4398154213
RDX: 0000000040000000 RSI: 00007ffeedac881c RDI: 00000000ffffffff
RBP: 00007ffeedac881c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeedac88a0
R13: 00007ffeedac88a8 R14: 0000000000000009 R15: 0000000000000000
task:udevd state:D stack:27312 pid:11501 tgid:11501 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:325
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:996
evdev_detach_client drivers/input/evdev.c:377 [inline]
evdev_release+0x23f/0x400 drivers/input/evdev.c:440
__fput+0x3ff/0xb70 fs/file_table.c:464
__fput_sync+0xa1/0xc0 fs/file_table.c:550
__do_sys_close fs/open.c:1580 [inline]
__se_sys_close fs/open.c:1565 [inline]
__x64_sys_close+0x86/0x100 fs/open.c:1565
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: 0033:0x7f6fd30620a8
RSP: 002b:00007fffcacbc358 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f6fd2f36ae0 RCX: 00007f6fd30620a8
RDX: fffffffffffffe60 RSI: 0000000080184540 RDI: 0000000000000008
RBP: 000056270dddca20 R08: 00000000ffffffff R09: 00007f6fd313cb10
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 00005626d6cf3e55 R14: 0000000000000004 R15: ffffffffffffffff
task:udevd state:S stack:27904 pid:11502 tgid:11502 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_hrtimeout_range_clock+0x2ae/0x2f0 kernel/time/sleep_timeout.c:207
ep_poll fs/eventpoll.c:2099 [inline]
do_epoll_wait+0x15b3/0x1c00 fs/eventpoll.c:2484
__do_sys_epoll_wait fs/eventpoll.c:2492 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2487 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2487
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: 0033:0x7f6fd306e457
RSP: 002b:00007fffcacc16c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fd306e457
RDX: 0000000000000004 RSI: 00007fffcacc1708 RDI: 0000000000000004
RBP: 000056270dd81900 R08: 0000000000000007 R09: 28faa9dd485a1d35
R10: 00000000ffffffff R11: 0000000000000246 R12: 000056270dde1700
R13: 00007fffcacc1708 R14: 00000000ffffffff R15: 000056270dd662c0
task:udevd state:S stack:27312 pid:11503 tgid:11503 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_hrtimeout_range_clock+0x2ae/0x2f0 kernel/time/sleep_timeout.c:207
ep_poll fs/eventpoll.c:2099 [inline]
do_epoll_wait+0x15b3/0x1c00 fs/eventpoll.c:2484
__do_sys_epoll_wait fs/eventpoll.c:2492 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2487 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2487
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: 0033:0x7f6fd306e457
RSP: 002b:00007fffcacc16c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fd306e457
RDX: 0000000000000004 RSI: 00007fffcacc1708 RDI: 0000000000000004
RBP: 000056270dde9530 R08: 0000000000000004 R09: 28faa9dd485a1d35
R10: 00000000ffffffff R11: 0000000000000246 R12: 000056270ddabca0
R13: 00007fffcacc1708 R14: 0000000000000008 R15: 000056270dd662c0
task:syz-executor state:R running task stack:28096 pid:11504 tgid:11504 ppid:11500 task_flags:0x400140 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_timeout+0x244/0x280 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:441
call_modprobe kernel/module/kmod.c:102 [inline]
__request_module+0x3f6/0x6c0 kernel/module/kmod.c:172
dev_load+0x221/0x240 net/core/dev_ioctl.c:683
dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:749
sock_do_ioctl+0x19e/0x280 net/socket.c:1213
sock_ioctl+0x41c/0x690 net/socket.c:1318
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
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: 0033:0x7f439815dbfb
RSP: 002b:00007ffeedac8580 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f439815dbfb
RDX: 00007ffeedac85e0 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffeedac85e0 R08: 000000000000000a R09: 00007ffeedac86d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f4398e44620 R14: 0000000000000005 R15: 0000000000000000
task:syz-executor state:S stack:25984 pid:11512 tgid:11512 ppid:3984 task_flags:0x400000 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
pipe_read+0xa45/0xe60 fs/pipe.c:391
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0xa53/0xbf0 fs/read_write.c:565
ksys_read+0x207/0x250 fs/read_write.c:708
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: 0033:0x7fd4c429c9fd
RSP: 002b:00007ffcf1e134e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4c429c9fd
RDX: 0000000000000040 RSI: 00007ffcf1e13550 RDI: 00000000000000f9
RBP: 00007ffcf1e13550 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 00007ffcf1e13550
R13: 00007ffcf1e13558 R14: 0000000000000009 R15: 0000000000000000
Showing all locks held in the system:
5 locks held by kworker/0:1/9:
#0: ffff88810669e148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc9000009fd18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffff88810bb08198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#2: ffff88810bb08198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5859
#3: ffff88811ad9c198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff88811ad9c198 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2307
#4: ffff888107ace160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#4: ffff888107ace160 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888107ace160 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
5 locks held by ksoftirqd/1/23:
#0: ffffc9000018faf0 ((&dev->timer)){+.-.}-{0:0}, at: call_timer_fn+0x11a/0x610 kernel/time/timer.c:1786
#1: ffff8881062a2230 (&dev->event_lock){..-.}-{3:3}, at: class_spinlock_irqsave_constructor include/linux/spinlock.h:572 [inline]
#1: ffff8881062a2230 (&dev->event_lock){..-.}-{3:3}, at: input_repeat_key+0x29/0x350 drivers/input/input.c:2254
#2: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1161 [inline]
#2: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: input_pass_values+0x8b/0x890 drivers/input/input.c:118
#3: ffffffff89396a98 (kbd_event_lock){..-.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#3: ffffffff89396a98 (kbd_event_lock){..-.}-{3:3}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535
#4: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#4: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#4: ffffffff88ebe480 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6746
7 locks held by kworker/1:1/36:
4 locks held by kworker/u8:3/46:
#0: ffff888100abb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90000517d18 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffffffff8a18a690 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xbf0 net/core/net_namespace.c:606
#3: ffffffff88ec98f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:334
5 locks held by kworker/0:2/1080:
#0: ffff88810669e148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90001ddfd18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffff88810bb18198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#2: ffff88810bb18198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5859
#3: ffff88811ad99198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff88811ad99198 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2307
#4: ffff888107acc160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#4: ffff888107acc160 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888107acc160 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
2 locks held by getty/2900:
#0: ffff8881087bd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by syz-execprog/3980:
1 lock held by syz-executor/3984:
3 locks held by kworker/1:3/6815:
7 locks held by kworker/0:3/6826:
#0: ffff88810669e148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211
#1: ffffc90001cffd18 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212
#2: ffff88810bbd0198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#2: ffff88810bbd0198 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5859
#3: ffff8881159bc198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff8881159bc198 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#4: ffff88813092e160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#4: ffff88813092e160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#5: ffff88811f53da20 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#5: ffff88811f53da20 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#6: ffffffff89be71e8 (input_mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:203 [inline]
#6: ffffffff89be71e8 (input_mutex){+.+.}-{4:4}, at: input_register_device+0x98a/0x1130 drivers/input/input.c:2408
5 locks held by kworker/1:4/6831:
1 lock held by syz-executor/9208:
1 lock held by udevd/11467:
#0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
4 locks held by udevd/11472:
#0: ffff888114fe10a0 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1: ffff88811a14e088 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff8881073eaf08 (kn->active){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff8881159bc198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff8881159bc198 (&dev->mutex){....}-{4:4}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2729
4 locks held by udevd/11477:
#0: ffff88811789fb08 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1: ffff8881114a3888 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff88811297d008 (kn->active){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff88811eb72198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff88811eb72198 (&dev->mutex){....}-{4:4}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2729
4 locks held by udevd/11494:
#0: ffff88811789fc30 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1: ffff8881114a1088 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff888112b354b8 (kn->active){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff888107aca198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline]
#3: ffff888107aca198 (&dev->mutex){....}-{4:4}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2729
1 lock held by udevd/11495:
#0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
1 lock held by udevd/11496:
#0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
1 lock held by udevd/11497:
#0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
1 lock held by udevd/11498:
#0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1160
=============================================
task:init state:S stack:22016 pid:1 tgid:1 ppid:0 task_flags:0x400100 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_hrtimeout_range_clock+0x2ae/0x2f0 kernel/time/sleep_timeout.c:207
do_sigtimedwait+0x42f/0x5c0 kernel/signal.c:3784
__do_sys_rt_sigtimedwait kernel/signal.c:3828 [inline]
__se_sys_rt_sigtimedwait kernel/signal.c:3806 [inline]
__x64_sys_rt_sigtimedwait+0x1ec/0x2e0 kernel/signal.c:3806
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: 0033:0x7f7b006fc23c
RSP: 002b:00007ffeea0023c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000080
RAX: ffffffffffffffda RBX: 00007f7b0093213c RCX: 00007f7b006fc23c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f7b009374a8
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeea002428 R14: 0000559df9e62169 R15: 00007f7b0096ea80
task:kthreadd state:S stack:26544 pid:2 tgid:2 ppid:0 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
kthreadd+0x5ba/0x7d0 kernel/kthread.c:835
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:pool_workqueue_ state:S stack:30320 pid:3 tgid:3 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
kthread_worker_fn+0x502/0xbb0 kernel/kthread.c:1017
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-rcu_g state:I stack:30160 pid:4 tgid:4 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-sync_ state:I stack:30720 pid:5 tgid:5 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-slub_ state:I stack:30720 pid:6 tgid:6 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-netns state:I stack:30720 pid:7 tgid:7 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:0 state:I stack:27088 pid:8 tgid:8 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:1 state:D stack:22112 pid:9 tgid:9 ppid:2 task_flags:0x4288060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
usb_kill_urb.part.0+0x1ca/0x250 drivers/usb/core/urb.c:713
usb_kill_urb+0x83/0xa0 drivers/usb/core/urb.c:702
usb_hcd_flush_endpoint+0x1f3/0x400 drivers/usb/core/hcd.c:1815
usb_disable_endpoint drivers/usb/core/message.c:1302 [inline]
usb_disable_interface+0x1ce/0x4c0 drivers/usb/core/message.c:1348
usb_unbind_interface+0x3ce/0x9a0 drivers/usb/core/driver.c:456
device_remove drivers/base/dd.c:569 [inline]
device_remove+0x122/0x170 drivers/base/dd.c:561
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296
bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
device_del+0x396/0x9f0 drivers/base/core.c:3854
usb_disable_device+0x368/0x7e0 drivers/usb/core/message.c:1418
usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2316
hub_port_connect drivers/usb/core/hub.c:5371 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5913
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:0H state:I stack:29472 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_highpri)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/u8:0 state:R running task stack:23344 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-mm_pe state:I stack:30720 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:rcu_tasks_kthre state:I stack:29304 pid:13 tgid:13 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rcu_tasks_one_gp+0x55a/0xe90 kernel/rcu/tasks.h:610
rcu_tasks_kthread+0x1c3/0x260 kernel/rcu/tasks.h:657
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:rcu_tasks_trace state:I stack:29304 pid:14 tgid:14 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rcu_tasks_one_gp+0x55a/0xe90 kernel/rcu/tasks.h:610
rcu_tasks_kthread+0x1c3/0x260 kernel/rcu/tasks.h:657
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:ksoftirqd/0 state:S stack:25776 pid:15 tgid:15 ppid:2 task_flags:0x4208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:rcu_preempt state:R running task stack:28504 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:rcu_exp_par_gp_ state:S stack:30816 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
kthread_worker_fn+0x502/0xbb0 kernel/kthread.c:1017
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:rcu_exp_gp_kthr state:S stack:28552 pid:18 tgid:18 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
kthread_worker_fn+0x502/0xbb0 kernel/kthread.c:1017
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:migration/0 state:R running task stack:30056 pid:19 tgid:19 ppid:2 task_flags:0x4208040 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:cpuhp/0 state:S stack:27024 pid:20 tgid:20 ppid:2 task_flags:0x4208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:cpuhp/1 state:S stack:26976 pid:21 tgid:21 ppid:2 task_flags:0x4208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:migration/1 state:R running task stack:29896 pid:22 tgid:22 ppid:2 task_flags:0x4208040 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:ksoftirqd/1 state:R running task stack:26368 pid:23 tgid:23 ppid:2 task_flags:0x4208040 flags:0x00004008
Call Trace:
sched_show_task kernel/sched/core.c:7720 [inline]
sched_show_task+0x424/0x630 kernel/sched/core.c:7695
show_state_filter+0xee/0x320 kernel/sched/core.c:7765
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:2575
input_pass_values+0x6c4/0x890 drivers/input/input.c:127
input_event_dispose drivers/input/input.c:341 [inline]
input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
input_repeat_key+0x260/0x350 drivers/input/input.c:2262
call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1789
expire_timers kernel/time/timer.c:1840 [inline]
__run_timers+0x6e8/0x930 kernel/time/timer.c:2414
__run_timer_base kernel/time/timer.c:2426 [inline]
__run_timer_base kernel/time/timer.c:2418 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2435
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2445
handle_softirqs+0x206/0x8d0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:0 state:I stack:29136 pid:24 tgid:24 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:0H state:R running task stack:28128 pid:25 tgid:25 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (kblockd)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kdevtmpfs state:S stack:26560 pid:26 tgid:26 ppid:2 task_flags:0x208140 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
devtmpfs_work_loop+0x6d6/0x7d0 drivers/base/devtmpfs.c:408
devtmpfsd+0x4c/0x50 drivers/base/devtmpfs.c:441
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-inet_ state:I stack:29944 pid:27 tgid:27 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/u8:1 state:I stack:25664 pid:28 tgid:28 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kauditd state:S stack:28984 pid:29 tgid:29 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
kauditd_thread+0x4da/0xa60 kernel/audit.c:911
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:khungtaskd state:S stack:28760 pid:30 tgid:30 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
watchdog+0x130/0x12b0 kernel/hung_task.c:403
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:oom_reaper state:S stack:30040 pid:31 tgid:31 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
oom_reaper+0x9bc/0xb50 mm/oom_kill.c:650
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-write state:I stack:30040 pid:32 tgid:32 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kcompactd0 state:R running task stack:28680 pid:33 tgid:33 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
kcompactd+0x9fa/0xcc0 mm/compaction.c:3199
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-kbloc state:I stack:30040 pid:34 tgid:34 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
rescuer_thread+0x98a/0xe80 kernel/workqueue.c:3548
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:irq/9-acpi state:S stack:30040 pid:35 tgid:35 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
irq_wait_for_interrupt kernel/irq/manage.c:1125 [inline]
irq_thread+0x19f/0x670 kernel/irq/manage.c:1314
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:1 state:R running task stack:22608 pid:36 tgid:36 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6944
__cond_resched+0x1b/0x30 kernel/sched/core.c:7289
might_resched include/linux/kernel.h:73 [inline]
might_alloc include/linux/sched/mm.h:321 [inline]
might_alloc include/linux/sched/mm.h:316 [inline]
slab_pre_alloc_hook mm/slub.c:4066 [inline]
slab_alloc_node mm/slub.c:4144 [inline]
__do_kmalloc_node mm/slub.c:4293 [inline]
__kmalloc_noprof+0x35e/0x4d0 mm/slub.c:4306
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
input_leds_connect+0x171/0x8e0 drivers/input/input-leds.c:104
input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:993
input_register_device+0xa84/0x1130 drivers/input/input.c:2412
hidinput_connect+0x1da5/0x2ba0 drivers/hid/hid-input.c:2340
hid_connect+0x1393/0x1890 drivers/hid/hid-core.c:2235
hid_hw_start drivers/hid/hid-core.c:2350 [inline]
hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2341
__hid_device_probe drivers/hid/hid-core.c:2717 [inline]
hid_device_probe+0x5f1/0x700 drivers/hid/hid-core.c:2750
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x114b/0x1a70 drivers/base/core.c:3665
hid_add_device+0x374/0xa60 drivers/hid/hid-core.c:2896
usbhid_probe+0xd32/0x1400 drivers/hid/usbhid/hid-core.c:1431
usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x114b/0x1a70 drivers/base/core.c:3665
usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x114b/0x1a70 drivers/base/core.c:3665
usb_new_device+0xd09/0x1a20 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5913
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/u8:2 state:I stack:23344 pid:37 tgid:37 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: 0x0 (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
worker_thread+0x2de/0xf00 kernel/workqueue.c:3413
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/R-ata_s state:I stack:30040 pid:38 tgid:38 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0x113d/0x35d0 kernel/sched/core.c:6765