rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (3 ticks this GP) idle=77a4/1/0x4000000000000000 softirq=51801/51801 fqs=5
rcu: (detected by 0, t=10502 jiffies, g=33785, q=129 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6827 Comm: syz.2.17 Not tainted 6.15.0-rc6-syzkaller-00177-g882826f58b2c #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:410
Code: c3 ad fe 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 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 28 88 09 ff eb a2 e8 b1 88
RSP: 0018:ffffc900001a8368 EFLAGS: 00000002
RAX: dffffc0000000060 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: ffffffff82cea820 RDI: ffffffff938c7800
RBP: ffffffff938c77c0 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: fffffbfff2718f52 R15: dffffc0000000000
FS: 000055556d02f500(0000) GS:ffff8882692c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f863616ed58 CR3: 0000000118f22000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_in drivers/tty/serial/8250/8250.h:137 [inline]
serial_lsr_in drivers/tty/serial/8250/8250.h:159 [inline]
wait_for_lsr+0x137/0x210 drivers/tty/serial/8250/8250_port.c:2098
fifo_wait_for_lsr drivers/tty/serial/8250/8250_port.c:3348 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3371 [inline]
serial8250_console_write+0xf83/0x1890 drivers/tty/serial/8250/8250_port.c:3456
console_emit_next_record kernel/printk/printk.c:3138 [inline]
console_flush_all+0x7fe/0xc60 kernel/printk/printk.c:3226
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xd8/0x210 kernel/printk/printk.c:3325
vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450
_printk+0xc7/0x100 kernel/printk/printk.c:2475
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x1b5/0x3e0 arch/x86/kernel/dumpstack.c:284
sched_show_task kernel/sched/core.c:7772 [inline]
sched_show_task+0x423/0x630 kernel/sched/core.c:7747
show_state_filter+0xee/0x380 kernel/sched/core.c:7817
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+0xccf/0x17b0 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+0xf00/0x14d0 drivers/input/input.c:369
input_repeat_key+0x260/0x350 drivers/input/input.c:2262
call_timer_fn+0x197/0x620 kernel/time/timer.c:1789
expire_timers kernel/time/timer.c:1840 [inline]
__run_timers+0x6ef/0x960 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+0x205/0x8d0 kernel/softirq.c:579
do_softirq kernel/softirq.c:480 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:467
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
local_bh_enable include/linux/bottom_half.h:33 [inline]
fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline]
fpu_clone+0x37d/0xcc0 arch/x86/kernel/fpu/core.c:643
copy_thread+0x401/0xb10 arch/x86/kernel/process.c:220
copy_process+0x425f/0x92e0 kernel/fork.c:2438
kernel_clone+0xfc/0x960 kernel/fork.c:2844
__do_sys_clone3+0x212/0x290 kernel/fork.c:3148
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8636742029
Code: 5f 07 00 48 8d 3d 1c 5f 07 00 e8 a2 28 f6 ff 66 90 b8 ea ff ff ff 48 85 ff 74 2c 48 85 d2 74 27 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 18 74 01 c3 31 ed 48 83 e4 f0 4c 89 c7 ff d2 48 89 c7
RSP: 002b:00007ffda99c8db8 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f86366c4960 RCX: 00007f8636742029
RDX: 00007f86366c4960 RSI: 0000000000000058 RDI: 00007ffda99c8e00
RBP: 00007f863616e6c0 R08: 00007f863616e6c0 R09: 00007ffda99c8ee7
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000006e R14: 00007ffda99c8e00 R15: 00007ffda99c8ee8
rcu: rcu_preempt kthread starved for 10492 jiffies! g33785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R
entry_SYSCALL_64_after_hwframe+0x77/0x7f
running task stack:29000 pid:15 tgid:15 ppid:2 task_flags:0x208040 flags:0x00004000
RIP: 0033:0x7f01bb5700e5
Call Trace:
RSP: 002b:00007f01bafb4f50 EFLAGS: 00000293
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f01bb5700e5
RDX: 00007f01bafb4f90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f01bafb4fe8
R13: 0000000020000080 R14: 00007f01bb6f5f80 R15: 00007ffc01092a88
task:syz.1.16 state:R
running task
stack:27864 pid:6818 tgid:6818 ppid:4554 task_flags:0x400040 flags:0x00000000
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
Call Trace:
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2046
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
futex_wait_queue+0x108/0x220 kernel/futex/waitwake.c:369
__futex_wait+0x290/0x3c0 kernel/futex/waitwake.c:668
rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2248
futex_wait+0xe8/0x380 kernel/futex/waitwake.c:696
kthread+0x3c2/0x780 kernel/kthread.c:464
do_futex+0x229/0x350 kernel/futex/syscalls.c:102
__do_sys_futex kernel/futex/syscalls.c:179 [inline]
__se_sys_futex kernel/futex/syscalls.c:160 [inline]
__x64_sys_futex+0x1e0/0x4c0 kernel/futex/syscalls.c:160
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 6809 Comm: udevd Not tainted 6.15.0-rc6-syzkaller-00177-g882826f58b2c #0 PREEMPT(voluntary)
RIP: 0033:0x7fdd97dadff9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RSP: 002b:00007ffee241b878 EFLAGS: 00000246
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x4a5/0x1290 kernel/smp.c:885
ORIG_RAX: 00000000000000ca
Code: 89 ee e8 be e5 0b 00 85 ed 74 48 48 8b 44 24 20 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 f4 83 c5 03 e8 5d ea 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 de 0b 00 00 8b 43 08 31
RAX: ffffffffffffffda RBX: 00007ffee241b9a0 RCX: 00007fdd97dadff9
RSP: 0000:ffffc90001f7f9c0 EFLAGS: 00000293
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdd97f65f8c
RAX: 0000000000000000 RBX: ffff8881f593d780 RCX: ffffffff81708109
RBP: 00007fdd97f65f8c R08: 00007fdd97c28000 R09: 00007ffee241bb6f
RDX: ffff88810377ba80 RSI: ffffffff817080e3 RDI: 0000000000000005
R10: 00007ffee241b980 R11: 0000000000000246 R12: 000000000002d95e
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R13: 00007ffee241b980 R14: 000000000000015e R15: 000000000002d800
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed103eb27af1
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8881f5839500
task:syz.1.16 state:R
FS: 00007f01d1991880(0000) GS:ffff8882691c2000(0000) knlGS:0000000000000000
running task
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
stack:29016 pid:6820 tgid:6818 ppid:4554 task_flags:0x400040 flags:0x00000000
CR2: 0000555f36f3bf30 CR3: 0000000119bc2000 CR4: 00000000003506f0
Call Trace:
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
Call Trace:
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1291 [inline]
flush_tlb_mm_range+0x322/0x1780 arch/x86/mm/tlb.c:1381
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
do_nanosleep+0x21a/0x570 kernel/time/hrtimer.c:2100
hrtimer_nanosleep+0x155/0x380 kernel/time/hrtimer.c:2147
flush_tlb_page arch/x86/include/asm/tlbflush.h:324 [inline]
ptep_clear_flush+0x136/0x180 mm/pgtable-generic.c:101
wp_page_copy mm/memory.c:3544 [inline]
do_wp_page+0x1666/0x4200 mm/memory.c:3939
common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1361
handle_pte_fault mm/memory.c:6013 [inline]
__handle_mm_fault+0xe76/0x3470 mm/memory.c:6140
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1407 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1384 [inline]
__x64_sys_clock_nanosleep+0x34a/0x4a0 kernel/time/posix-timers.c:1384
handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
do_user_addr_fault+0x613/0x1240 arch/x86/mm/fault.c:1337
entry_SYSCALL_64_after_hwframe+0x77/0x7f
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
RIP: 0033:0x7fdd97de00e5
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RSP: 002b:00007fdd97824f50 EFLAGS: 00000293
RIP: 0033:0x7f01d1a90b3a
ORIG_RAX: 00000000000000e6
Code: 83 f9 1f 0f 86 1b 01 00 00 48 8b 45 70 66 49 0f 6e e7 49 8d 54 1d 00 66 48 0f 6e c0 66 0f 6c c4 4c 39 78 18 0f 85 bc 01 00 00 <0f> 11 42 10 48 89 55 70 48 89 50 18 48 81 fb ff 03 00 00 77 04 48
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdd97de00e5
RSP: 002b:00007ffc8f215f40 EFLAGS: 00010246
RDX: 00007fdd97824f90 RSI: 0000000000000000 RDI: 0000000000000000
RAX: 00007f01d1bc9b20 RBX: 0000000000000040 RCX: 00000000000000e0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
RDX: 0000555f36f3bf20 RSI: 00007f01d1bc9c30 RDI: 0000555f36f3bee0
RBP: 00007f01d1bc9ac0 R08: 00007f01d1bc9ac0 R09: 0000000000000040
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000030
R13: 0000555f36f3bee0 R14: 0000000000000120 R15: 00007f01d1bc9b20
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdd97824fe8
R13: 0000000020000080 R14: 00007fdd97f65f80 R15: 00007ffee241b718
task:kworker/0:3 state:R running task stack:24600 pid:6822 tgid:6822 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
usb_start_wait_urb+0x145/0x4b0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154
hid_get_class_descriptor.constprop.0+0x9a/0xf0 drivers/hid/usbhid/hid-core.c:672
usbhid_parse+0x6ab/0xa60 drivers/hid/usbhid/hid-core.c:1040
hid_add_device+0x18a/0xa60 drivers/hid/hid-core.c:2874
usbhid_probe+0xd38/0x13f0 drivers/hid/usbhid/hid-core.c:1432
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:657
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x1148/0x1a70 drivers/base/core.c:3692
usb_set_configuration+0x1187/0x1e20 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:657
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x1148/0x1a70 drivers/base/core.c:3692
usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5535 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5675 [inline]
port_event drivers/usb/core/hub.c:5835 [inline]
hub_event+0x2f85/0x5030 drivers/usb/core/hub.c:5917
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:syz.2.17 state:R running task stack:26408 pid:6827 tgid:6827 ppid:4557 task_flags:0x400040 flags:0x0000000a
Call Trace:
sched_show_task kernel/sched/core.c:7772 [inline]
sched_show_task+0x423/0x630 kernel/sched/core.c:7747
show_state_filter+0xee/0x380 kernel/sched/core.c:7817
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+0xccf/0x17b0 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+0xf00/0x14d0 drivers/input/input.c:369
input_repeat_key+0x260/0x350 drivers/input/input.c:2262
call_timer_fn+0x197/0x620 kernel/time/timer.c:1789
expire_timers kernel/time/timer.c:1840 [inline]
__run_timers+0x6ef/0x960 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+0x205/0x8d0 kernel/softirq.c:579
do_softirq kernel/softirq.c:480 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:467
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
local_bh_enable include/linux/bottom_half.h:33 [inline]
fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline]
fpu_clone+0x37d/0xcc0 arch/x86/kernel/fpu/core.c:643
copy_thread+0x401/0xb10 arch/x86/kernel/process.c:220
copy_process+0x425f/0x92e0 kernel/fork.c:2438
kernel_clone+0xfc/0x960 kernel/fork.c:2844
__do_sys_clone3+0x212/0x290 kernel/fork.c:3148
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8636742029
Code: 5f 07 00 48 8d 3d 1c 5f 07 00 e8 a2 28 f6 ff 66 90 b8 ea ff ff ff 48 85 ff 74 2c 48 85 d2 74 27 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 18 74 01 c3 31 ed 48 83 e4 f0 4c 89 c7 ff d2 48 89 c7
RSP: 002b:00007ffda99c8db8 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f86366c4960 RCX: 00007f8636742029
RDX: 00007f86366c4960 RSI: 0000000000000058 RDI: 00007ffda99c8e00
RBP: 00007f863616e6c0 R08: 00007f863616e6c0 R09: 00007ffda99c8ee7
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000006e R14: 00007ffda99c8e00 R15: 00007ffda99c8ee8
task:syz.2.17 state:R running task stack:28104 pid:6828 tgid:6827 ppid:4557 task_flags:0x400040 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
do_nanosleep+0x21a/0x570 kernel/time/hrtimer.c:2100
hrtimer_nanosleep+0x155/0x380 kernel/time/hrtimer.c:2147
common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1361
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1407 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1384 [inline]
__x64_sys_clock_nanosleep+0x34a/0x4a0 kernel/time/posix-timers.c:1384
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f86367400e5
RSP: 002b:00007f863618cf50 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86367400e5
RDX: 00007f863618cf90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f863618cfe8
R13: 0000000000000000 R14: 00007f86368c5f80 R15: 00007ffda99c8ee8
task:syz.4.19 state:R running task stack:27464 pid:6829 tgid:6829 ppid:4561 task_flags:0x400040 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
futex_wait_queue+0x108/0x220 kernel/futex/waitwake.c:369
__futex_wait+0x290/0x3c0 kernel/futex/waitwake.c:668
futex_wait+0xe8/0x380 kernel/futex/waitwake.c:696
do_futex+0x229/0x350 kernel/futex/syscalls.c:102
__do_sys_futex kernel/futex/syscalls.c:179 [inline]
__se_sys_futex kernel/futex/syscalls.c:160 [inline]
__x64_sys_futex+0x1e0/0x4c0 kernel/futex/syscalls.c:160
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe1f6bddff9
RSP: 002b:00007fff9b247b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fff9b247c90 RCX: 00007fe1f6bddff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe1f6d95f8c
RBP: 00007fe1f6d95f8c R08: 00007fe1f6a58000 R09: 00007fff9b247e5f
R10: 00007fff9b247c70 R11: 0000000000000246 R12: 000000000002d975
R13: 00007fff9b247c70 R14: 000000000000015e R15: 000000000002d817
task:syz.4.19 state:R running task stack:27992 pid:6831 tgid:6829 ppid:4561 task_flags:0x400040 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
do_nanosleep+0x21a/0x570 kernel/time/hrtimer.c:2100
hrtimer_nanosleep+0x155/0x380 kernel/time/hrtimer.c:2147
common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1361
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1407 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1384 [inline]
__x64_sys_clock_nanosleep+0x34a/0x4a0 kernel/time/posix-timers.c:1384
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe1f6c100e5
RSP: 002b:00007fe1f6654f50 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe1f6c100e5
RDX: 00007fe1f6654f90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe1f6654fe8
R13: 0000000000000000 R14: 00007fe1f6d95f80 R15: 00007fff9b247a08
task:kworker/0:4 state:R running task stack:26040 pid:6830 tgid:6830 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:116
usb_start_wait_urb+0x145/0x4b0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154
hid_get_class_descriptor.constprop.0+0x9a/0xf0 drivers/hid/usbhid/hid-core.c:672
usbhid_parse+0x6ab/0xa60 drivers/hid/usbhid/hid-core.c:1040
hid_add_device+0x18a/0xa60 drivers/hid/hid-core.c:2874
usbhid_probe+0xd38/0x13f0 drivers/hid/usbhid/hid-core.c:1432
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:657
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x1148/0x1a70 drivers/base/core.c:3692
usb_set_configuration+0x1187/0x1e20 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:657
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537
device_add+0x1148/0x1a70 drivers/base/core.c:3692
usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5535 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5675 [inline]
port_event drivers/usb/core/hub.c:5835 [inline]
hub_event+0x2f85/0x5030 drivers/usb/core/hub.c:5917
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:5 state:R running task stack:29832 pid:6832 tgid:6832 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
worker_thread+0x2e5/0xf10 kernel/workqueue.c:3415
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:udevd state:S stack:27832 pid:6833 tgid:6833 ppid:2842 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x132a/0x3b00 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_hrtimeout_range_clock+0x2dc/0x320 kernel/time/sleep_timeout.c:207
ep_poll fs/eventpoll.c:2115 [inline]
do_epoll_wait+0xbe1/0x1030 fs/eventpoll.c:2531
__do_sys_epoll_wait fs/eventpoll.c:2539 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2534 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2534
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f01d1a7f407
RSP: 002b:00007ffc8f223fc0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007f01d1991880 RCX: 00007f01d1a7f407
RDX: 0000000000000004 RSI: 00007ffc8f224050 RDI: 0000000000000004
RBP: 0000555f36ce62c0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000202 R12: 0000555f36f7a550
R13: 00007ffc8f224050 R14: 0000000000000000 R15: 0000000000000000
Sched Debug Version: v0.11, 6.15.0-rc6-syzkaller-00177-g882826f58b2c #0
ktime : 295380.712959
sched_clk : 295419.651211
cpu_clk : 295413.031885
jiffies : 4294966631
sched_clock_stable() : 1
sysctl_sched
.sysctl_sched_base_slice : 1.400000
.sysctl_sched_features : 32696287
.sysctl_sched_tunable_scaling : 1 (logarithmic)
cpu#0, 2199.998 MHz
.nr_running : 36
.nr_switches : 51452
.nr_uninterruptible : -1
.next_balance : 4294.966642
.curr->pid : 6809
.clock : 295522.340034
.clock_task : 295522.340034
.avg_idle : 1078146
.max_idle_balance_cost : 500000
cfs_rq[0]:/syz0
.left_deadline : 212.675842
.left_vruntime : 211.275842
.min_vruntime : 211.275842
.avg_vruntime : 211.275842
.right_vruntime : 211.275842
.spread : 0.000000
.nr_queued : 2
.h_nr_runnable : 2
.h_nr_queued : 2
.h_nr_idle : 0
.load : 2097152
.load_avg : 2047
.runnable_avg : 2047
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 2048
.tg_load_avg : 2048
.se->exec_start : 186503.097670
.se->vruntime : 79398.640918
.se->sum_exec_runtime : 226.494038
.se->load.weight : 1048576
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[0]:/syz3
.left_deadline : 120.464596
.left_vruntime : 119.064596
.min_vruntime : 119.064596
.avg_vruntime : 119.064596
.right_vruntime : 119.064596
.spread : 0.000000
.nr_queued : 3
.h_nr_runnable : 3
.h_nr_queued : 3
.h_nr_idle : 0
.load : 3145728
.load_avg : 3071
.runnable_avg : 3071
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 3072
.tg_load_avg : 3072
.se->exec_start : 186502.963008
.se->vruntime : 79401.570972
.se->sum_exec_runtime : 123.465844
.se->load.weight : 1048576
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[0]:/syz1
.left_deadline : 321.368685
.left_vruntime : 319.968685
.min_vruntime : 319.968685
.avg_vruntime : 319.968685
.right_vruntime : 319.968685
.spread : 0.000000
.nr_queued : 3
.h_nr_runnable : 3
.h_nr_queued : 3
.h_nr_idle : 0
.load : 3145728
.load_avg : 3072
.runnable_avg : 3072
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 3072
.tg_load_avg : 3072
.se->exec_start : 186503.129587
.se->vruntime : 79397.442625
.se->sum_exec_runtime : 326.536370
.se->load.weight : 1048576
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[0]:/syz4
.left_deadline : 552.611854
.left_vruntime : 551.211854
.min_vruntime : 551.211854
.avg_vruntime : 551.211854
.right_vruntime : 551.211854
.spread : 0.000000
.nr_queued : 3
.h_nr_runnable : 3
.h_nr_queued : 3
.h_nr_idle : 0
.load : 3145728
.load_avg : 3071
.runnable_avg : 3071
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 3072
.tg_load_avg : 3072
.se->exec_start : 186503.030917
.se->vruntime : 79399.303707
.se->sum_exec_runtime : 564.121708
.se->load.weight : 1048576
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[0]:/syz2
.left_deadline : 129.864408
.left_vruntime : 128.464408
.min_vruntime : 128.464408
.avg_vruntime : 128.464408
.right_vruntime : 128.464408
.spread : 0.000000
.nr_queued : 2
.h_nr_runnable : 2
.h_nr_queued : 2
.h_nr_idle : 0
.load : 2097152
.load_avg : 2047
.runnable_avg : 2047
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 2048
.tg_load_avg : 3072
.se->exec_start : 186502.996997
.se->vruntime : 79400.861624
.se->sum_exec_runtime : 147.249368
.se->load.weight : 1048576
.se->avg.load_avg : 1023
.se->avg.util_avg : 0
.se->avg.runnable_avg : 2047
cfs_rq[0]:/
.left_deadline : 69454.466357
.left_vruntime : 69453.222794
.min_vruntime : 69453.222794
.avg_vruntime : 82889.797492
.right_vruntime : 154875.316236
.spread : 85422.093442
.nr_queued : 27
.h_nr_runnable : 35
.h_nr_queued : 35
.h_nr_idle : 0
.load : 28311552
.load_avg : 27647
.runnable_avg : 35839
.util_avg : 1024
.util_est : 4311
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 0
rt_rq[0]:
.rt_nr_running : 0
dl_rq[0]:
.dl_nr_running : 0
.dl_bw->bw : 996147
.dl_bw->total_bw : 104856
runnable tasks:
S task PID vruntime eligible deadline slice sum-exec switches prio wait-time sum-sleep sum-block group-path
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
S init 1 50305.893390 E 50307.264363 1.400000 10516.933161 2527 120 0.000000 0.000000 0.000000 /
S kthreadd 2 69156.995193 E 69158.108270 1.400000 22.891716 80 120 0.000000 0.000000 0.000000 /
I kworker/R-rcu_g 4 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
I kworker/R-sync_ 5 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
I kworker/R-kvfre 6 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
I kworker/R-slub_ 7 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
I kworker/R-netns 8 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
I kworker/0:0 9 69158.626169 E 69159.910953 1.400000 0.936951 13 120 0.000000 0.000000 0.000000 /
R kworker/0:1 10 69453.222794 E 69454.466357 1.400000 304.873517 455 120 0.000000 0.000000 0.000000 /
I kworker/0:0H 11 5059.499916 E 5059.514481 1.400000 0.270107 4 100 0.000000 0.000000 0.000000 /
R kworker/u8:0 12 79395.902298 E 79397.302298 1.400000 4463.437689 1121 120 0.000000 0.000000 0.000000 /
I kworker/R-mm_pe 13 116.237106 E 116.245181 0.700000 0.000000 2 100 0.000000 0.000000 0.000000 /
R ksoftirqd/0 14 79397.017246 E 79398.417246 1.400000 7652.744662 3843 120 0.000000 0.000000 0.000000 /
R rcu_preempt 15 79398.524445 E 79399.924445 1.400000 1043.720422 10521 120 0.000000 0.000000 0.000000 /
S rcu_exp_par_gp_ 16 118.312598 E 119.004207 0.700000 0.018353 2 120 0.000000 0.000000 0.000000 /
R migration/0 18 121.073992 E 121.766505 0.700000 20.592301 90 0 0.000000 0.000000 0.000000 /
S cpuhp/0 19 5905.800543 E 5907.176934 1.400000 13.935386 13 120 0.000000 0.000000 0.000000 /
S kdevtmpfs 25 69376.393230 E 69377.271369 1.400000 61.843599 224 120 0.000000 0.000000 0.000000 /
S kauditd 29 69370.972382 E 69372.295252 1.400000 1357.974224 102 120 0.000000 0.000000 0.000000 /
R khungtaskd 30 81973.962229 E 81975.362229 1.400000 0.605720 9 120 0.000000 0.000000 0.000000 /
S oom_reaper 31 227.605902 E 229.005902 1.400000 0.000000 2 120 0.000000 0.000000 0.000000 /
I kworker/u8:1 32 5348.398985 E 5349.248868 1.400000 24.601382 33 120 0.000000 0.000000 0.000000 /
R kcompactd0 34 81973.110780 E 81974.510780 1.400000 27.398146 360 120 0.000000 0.000000 0.000000 /
I kworker/u8:2 36 68648.724341 E 68649.896919 1.400000 1209.261426 3185 120 0.000000 0.000000 0.000000 /
I kworker/u8:5 64 5073.827318 E 5074.925260 1.400000 118.173864 335 120 0.000000 0.000000 0.000000 /
S kswapd0 72 3274.817367 E 3276.125466 1.400000 0.220126 3 120 0.000000 0.000000 0.000000 /
I kworker/R-nfsio 75 3192.365013 E 3192.380870 1.400000 0.042185 2 100 0.000000 0.000000 0.000000 /
I kworker/R-acpi_ 112 3280.711551 E 3280.727105 1.400000 0.087377 2 100 0.000000 0.000000 0.000000 /
R hwrng 175 80736.597250 E 80737.997250 1.400000 1.514063 10 120 0.000000 0.000000 0.000000 /
S scsi_eh_0 277 3461.742752 E 3463.117066 1.400000 0.113394 2 120 0.000000 0.000000 0.000000 /
I kworker/R-targe 299 3510.965021 E 3510.979941 1.400000 0.195148 2 100 0.000000 0.000000 0.000000 /
I kworker/R-xcopy 301 3521.609124 E 3521.624823 1.400000 3.278968 2 100 0.000000 0.000000 0.000000 /
I kworker/R-liber 388 3614.531336 E 3614.546896 1.400000 0.100788 2 100 0.000000 0.000000 0.000000 /
I kworker/R-usbip 1056 4544.958193 E 4544.974038 1.400000 0.054173 2 100 0.000000 0.000000 0.000000 /
I kworker/u8:6 1082 69118.667892 E 69119.781251 1.400000 1089.268776 2352 120 0.000000 0.000000 0.000000 /
R kworker/0:2 1117 154875.316236 N 154875.727971 1.400000 85725.429180 698 120 0.000000 0.000000 0.000000 /
I kworker/R-kvub3 1347 4911.830429 E 4911.846156 1.400000 0.100635 2 100 0.000000 0.000000 0.000000 /
I kworker/R-elous 1386 4962.212421 E 4962.227829 1.400000 0.104028 2 100 0.000000 0.000000 0.000000 /
I kworker/0:1H 1569 65530.917046 E 65530.932546 1.400000 3.053691 22 100 0.000000 0.000000 0.000000 /
I kworker/R-ipv6_ 1570 5065.393561 E 5065.408920 1.400000 0.145805 2 100 0.000000 0.000000 0.000000 /
I kworker/u8:8 1671 62898.765184 E 62900.155072 1.400000 271.667795 1004 120 0.000000 0.000000 0.000000 /
R jbd2/sda1-8 2803 79399.562363 E 79400.962363 1.400000 35.453731 62 120 0.000000 0.000000 0.000000 /
S syslogd 2823 69422.923227 E 69423.501674 1.400000 130.095542 569 120 0.000000 0.000000 0.000000 /
R acpid 2826 81972.326165 E 81973.726165 1.400000 24.519977 40 120 0.000000 0.000000 0.000000 /
R klogd 2830 79401.567649 E 79402.967649 1.400000 151.759423 544 120 0.000000 0.000000 0.000000 /
R udevd 2842 79399.478528 E 79400.878528 1.400000 2366.777603 1286 120 0.000000 0.000000 0.000000 /
R dhcpcd 2880 81973.527447 E 81974.927447 1.400000 47.174076 67 120 0.000000 0.000000 0.000000 /
S dhcpcd 2881 14176.909834 E 14177.380519 1.400000 96.897952 91 120 0.000000 0.000000 0.000000 /
S dhcpcd 2882 10304.354589 E 10305.503859 1.400000 11.822053 3 120 0.000000 0.000000 0.000000 /
S dhcpcd 2883 11161.511319 E 11162.787992 1.400000 13.878531 9 120 0.000000 0.000000 0.000000 /
R crond 2899 81972.710780 E 81974.110780 1.400000 45.695974 10 120 0.000000 0.000000 0.000000 /
S sshd-session 3985 39260.124774 E 39261.524774 1.400000 74.107071 5 120 0.000000 0.000000 0.000000 /
R syz-execprog 3989 79402.359870 E 79403.759870 1.400000 87.331652 1386 120 0.000000 0.000000 0.000000 /
S syz-execprog 3990 41400.118249 E 41401.502041 1.400000 647.822770 521 120 0.000000 0.000000 0.000000 /
R syz-execprog 3991 79401.537217 E 79402.937217 1.400000 259.963298 241 120 0.000000 0.000000 0.000000 /
S syz-execprog 3995 39838.272260 E 39838.913637 1.400000 0.058623 1 120 0.000000 0.000000 0.000000 /
S syz-execprog 3996 69369.970988 E 69371.340881 1.400000 345.740711 201 120 0.000000 0.000000 0.000000 /
R syz-executor 3994 79400.777963 E 79402.177963 1.400000 3135.907301 182 120 0.000000 0.000000 0.000000 /
S syz-executor 4086 49646.309556 E 49647.653369 1.400000 19.703206 6 120 0.000000 0.000000 0.000000 /
R syz-executor 4549 211.275842 E 212.675842 1.400000 342.151143 659 120 0.000000 0.000000 0.000000 /syz0
R syz-executor 4553 119.064596 E 120.464596 1.400000 345.635594 649 120 0.000000 0.000000 0.000000 /syz3
R syz-executor 4554 319.968685 E 321.368685 1.400000 350.776633 624 120 0.000000 0.000000 0.000000 /syz1
R syz-executor 4557 128.464408 E 129.864408 1.400000 323.145815 607 120 0.000000 0.000000 0.000000 /syz2
S syz-executor 4558 49679.681882 E 49681.081882 1.400000 19.591446 4 120 0.000000 0.000000 0.000000 /
R syz-executor 4561 551.211854 E 552.611854 1.400000 364.028034 634 120 0.000000 0.000000 0.000000 /syz4
R syz.0.15 6804 211.275842 E 212.675842 1.400000 6.532892 8 120 0.000000 0.000000 0.000000 /syz0
S syz.0.15 6806 210.364403 E 211.527335 1.400000 7.331572 25 120 0.000000 0.000000 0.000000 /syz0
>R udevd 6809 95340.555890 N 95341.955890 1.400000 25997.929104 32 120 0.000000 0.000000 0.000000 /
R udevd 6811 79399.985530 E 79401.385530 1.400000 168.994466 92 120 0.000000 0.000000 0.000000 /
R syz.3.18 6816 119.064596 E 120.464596 1.400000 8.510010 9 120 0.000000 0.000000 0.000000 /syz3
R syz.3.18 6819 119.064596 E 120.464596 1.400000 3.693370 26 120 0.000000 0.000000 0.000000 /syz3
R syz.1.16 6818 319.968685 E 321.368685 1.400000 8.206754 10 120 0.000000 0.000000 0.000000 /syz1
R syz.1.16 6820 319.968685 E 321.368685 1.400000 3.882395 25 120 0.000000 0.000000 0.000000 /syz1
R kworker/0:3 6822 79398.408340 E 79399.808340 1.400000 59.251839 55 120 0.000000 0.000000 0.000000 /
R syz.2.17 6828 128.464408 E 129.864408 1.400000 4.965878 24 120 0.000000 0.000000 0.000000 /syz2
R syz.4.19 6829 551.211854 E 552.611854 1.400000 7.728565 6 120 0.000000 0.000000 0.000000 /syz4
R syz.4.19 6831 551.211854 E 552.611854 1.400000 3.373437 20 120 0.000000 0.000000 0.000000 /syz4
R kworker/0:4 6830 79399.691272 E 79401.091272 1.400000 71.921983 36 120 0.000000 0.000000 0.000000 /
R kworker/0:5 6832 79390.558861 E 79391.958861 1.400000 1.410807 27 120 0.000000 0.000000 0.000000 /
S udevd 6833 69414.072494 E 69415.472494 1.400000 16.842781 3 120 0.000000 0.000000 0.000000 /
cpu#1, 2199.998 MHz
.nr_running : 6
.nr_switches : 50281
.nr_uninterruptible : 1
.next_balance : 4294.955733
.curr->pid : 6827
.clock : 271960.434716
.clock_task : 271960.434716
.avg_idle : 926599
.max_idle_balance_cost : 500000
cfs_rq[1]:/syz3
.left_deadline : 0.000001
.left_vruntime : 0.000001
.min_vruntime : 213.249958
.avg_vruntime : 213.249958
.right_vruntime : 0.000001
.spread : 0.000000
.nr_queued : 0
.h_nr_runnable : 0
.h_nr_queued : 0
.h_nr_idle : 0
.load : 0
.load_avg : 0
.runnable_avg : 0
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 3072
.se->exec_start : 186200.384075
.se->vruntime : 75587.526808
.se->sum_exec_runtime : 223.882807
.se->load.weight : 924842
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[1]:/syz1
.left_deadline : 0.000001
.left_vruntime : 0.000001
.min_vruntime : 336.521132
.avg_vruntime : 336.521132
.right_vruntime : 0.000001
.spread : 0.000000
.nr_queued : 0
.h_nr_runnable : 0
.h_nr_queued : 0
.h_nr_idle : 0
.load : 0
.load_avg : 0
.runnable_avg : 0
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 3072
.se->exec_start : 186398.119691
.se->vruntime : 75654.069770
.se->sum_exec_runtime : 343.477258
.se->load.weight : 951898
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[1]:/syz0
.left_deadline : 0.000001
.left_vruntime : 0.000001
.min_vruntime : 76.333772
.avg_vruntime : 76.333772
.right_vruntime : 0.000001
.spread : 0.000000
.nr_queued : 0
.h_nr_runnable : 0
.h_nr_queued : 0
.h_nr_idle : 0
.load : 0
.load_avg : 0
.runnable_avg : 0
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 2048
.se->exec_start : 186200.567542
.se->vruntime : 75587.636858
.se->sum_exec_runtime : 81.973008
.se->load.weight : 1048576
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[1]:/syz4
.left_deadline : 0.000001
.left_vruntime : 0.000001
.min_vruntime : 186.108300
.avg_vruntime : 186.108300
.right_vruntime : 0.000001
.spread : 0.000000
.nr_queued : 0
.h_nr_runnable : 0
.h_nr_queued : 0
.h_nr_idle : 0
.load : 0
.load_avg : 0
.runnable_avg : 0
.util_avg : 0
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 3072
.se->exec_start : 186412.886782
.se->vruntime : 75655.135960
.se->sum_exec_runtime : 188.510916
.se->load.weight : 966464
.se->avg.load_avg : 0
.se->avg.util_avg : 0
.se->avg.runnable_avg : 0
cfs_rq[1]:/syz2
.left_deadline : 0.000001
.left_vruntime : 0.000001
.min_vruntime : 55538.148782
.avg_vruntime : 55538.148782
.right_vruntime : 0.000001
.spread : 0.000000
.nr_queued : 1
.h_nr_runnable : 1
.h_nr_queued : 1
.h_nr_idle : 0
.load : 1048576
.load_avg : 1024
.runnable_avg : 1024
.util_avg : 1024
.util_est : 0
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 1024
.tg_load_avg : 3072
.se->exec_start : 271960.434716
.se->vruntime : 95512.103913
.se->sum_exec_runtime : 55541.044805
.se->load.weight : 349525
.se->avg.load_avg : 341
.se->avg.util_avg : 1024
.se->avg.runnable_avg : 1024
cfs_rq[1]:/
.left_deadline : 90673.999250
.left_vruntime : 90672.599250
.min_vruntime : 90672.599250
.avg_vruntime : 95489.776747
.right_vruntime : 105692.750959
.spread : 15020.151709
.nr_queued : 5
.h_nr_runnable : 5
.h_nr_queued : 5
.h_nr_idle : 0
.load : 94386517
.load_avg : 3534
.runnable_avg : 5120
.util_avg : 1024
.util_est : 1363
.removed.load_avg : 0
.removed.util_avg : 0
.removed.runnable_avg : 0
.tg_load_avg_contrib : 0
.tg_load_avg : 0
rt_rq[1]:
.rt_nr_running : 0
dl_rq[1]:
.dl_nr_running : 0
.dl_bw->bw : 996147
.dl_bw->total_bw : 104856
runnable tasks:
S task PID vruntime eligible deadline slice sum-exec switches prio wait-time sum-sleep sum-block group-path
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
S pool_workqueue_ 3 8386.170553 E 8387.530706 1.400000 2.473178 4 120 0.000000 0.000000 0.000000 /
S rcu_exp_gp_kthr 17 90663.619437 E 90664.983053 1.400000 60.026850 888 120 0.000000 0.000000 0.000000 /
S cpuhp/1 20 8305.116369 E 8306.461744 1.400000 7.589923 13 120 0.000000 0.000000 0.000000 /
R migration/1 21 131.649888 E 132.342685 0.700000 2825.107222 102 0 0.000000 0.000000 0.000000 /
R ksoftirqd/1 22 90672.599250 E 90673.999250 1.400000 7529.850315 3875 120 0.000000 0.000000 0.000000 /
I kworker/1:0 23 7996.635647 E 7997.998070 1.400000 0.511649 8 120 0.000000 0.000000 0.000000 /
I kworker/1:0H 24 1500.701589 E 1500.713995 1.400000 4.206799 4 100 0.000000 0.000000 0.000000 /
I kworker/R-inet_ 26 28.244583 E 28.260734 1.400000 0.000000 2 100 0.000000 0.000000 0.000000 /
I rcu_tasks_kthre 27 155.533190 E 156.906035 1.400000 0.670093 9 120 0.000000 0.000000 0.000000 /
I rcu_tasks_trace 28 88.546958 E 89.930287 1.400000 0.547542 11 120 0.000000 0.000000 0.000000 /
I kworker/R-write 33 84.454494 E 84.470439 1.400000 0.070684 2 100 0.000000 0.000000 0.000000 /
I kworker/R-kbloc 35 100.488253 E 100.504052 1.400000 0.093007 2 100 0.000000 0.000000 0.000000 /
S irq/9-acpi 37 333.780777 E 1.344452 1.400000 0.131979 2 49 0.000000 0.000000 0.000000 /
I kworker/1:1 38 75661.500689 E 75662.900689 1.400000 489.276785 496 120 0.000000 0.000000 0.000000 /
I kworker/R-ata_s 39 1185.538986 E 1185.554549 1.400000 0.136481 2 100 0.000000 0.000000 0.000000 /
I kworker/R-md 40 1228.291901 E 1228.307788 1.400000 0.071454 2 100 0.000000 0.000000 0.000000 /
I kworker/R-md_bi 41 1228.761208 E 1228.777090 1.400000 0.052563 2 100 0.000000 0.000000 0.000000 /
I kworker/R-edac- 42 1234.876972 E 1234.892844 1.400000 0.066197 2 100 0.000000 0.000000 0.000000 /
R kworker/1:1H 43 95394.528230 E 95394.544381 1.400000 15.302179 67 100 0.000000 0.000000 0.000000 /
I kworker/R-rpcio 44 1528.869270 E 1528.885240 1.400000 0.056966 2 100 0.000000 0.000000 0.000000 /
I kworker/R-xprti 45 1534.328869 E 1534.344542 1.400000 0.072197 2 100 0.000000 0.000000 0.000000 /
I kworker/R-cfg80 46 1556.180601 E 1556.196451 1.400000 0.065853 2 100 0.000000 0.000000 0.000000 /
I kworker/u8:3 47 75274.624051 E 75275.787786 1.400000 972.459186 3325 120 0.000000 0.000000 0.000000 /
I kworker/u8:4 49 75280.932527 E 75282.073333 1.400000 207.307079 1027 120 0.000000 0.000000 0.000000 /
I kworker/R-scsi_ 278 3170.838892 E 3170.854613 1.400000 0.100266 2 100 0.000000 0.000000 0.000000 /
I kworker/R-targe 300 4069.916172 E 4069.931887 1.400000 0.070417 2 100 0.000000 0.000000 0.000000 /
I kworker/R-zd121 418 4363.949926 E 4363.965647 1.400000 0.114532 2 100 0.000000 0.000000 0.000000 /
I kworker/R-uas 499 4406.484504 E 4406.500244 1.400000 0.121325 2 100 0.000000 0.000000 0.000000 /
I kworker/u8:7 1109 75390.751042 E 75391.893007 1.400000 540.818636 2537 120 0.000000 0.000000 0.000000 /
S pvrusb2-context 1308 6992.939998 E 6994.237068 1.400000 0.180566 2 120 0.000000 0.000000 0.000000 /
I kworker/R-kvub3 1346 7192.548069 E 7192.563519 1.400000 0.140453 2 100 0.000000 0.000000 0.000000 /
I kworker/R-kvub3 1348 7193.170942 E 7193.186489 1.400000 0.249627 2 100 0.000000 0.000000 0.000000 /
I kworker/R-kmems 1352 7194.556291 E 7194.572026 1.400000 0.099934 2 100 0.000000 0.000000 0.000000 /
I kworker/R-mld 1568 7520.647347 E 7520.662649 1.400000 0.155596 2 100 0.000000 0.000000 0.000000 /
R kworker/1:2 2622 98352.749650 N 98354.149650 1.400000 1110.320464 774 120 0.000000 0.000000 0.000000 /
I kworker/R-ext4- 2804 8396.609036 E 8396.624746 1.400000 0.103231 2 100 0.000000 0.000000 0.000000 /
S dbus-daemon 2865 12546.179094 E 12546.544466 1.400000 9.202752 3 120 0.000000 0.000000 0.000000 /
S sshd 2903 43554.539138 E 43555.625192 1.400000 155.764909 44 120 0.000000 0.000000 0.000000 /
S getty 2904 13600.052882 E 13600.820118 1.400000 38.358827 5 120 0.000000 0.000000 0.000000 /
S dhcpcd 2906 14443.093571 E 14444.314645 1.400000 14.652707 6 120 0.000000 0.000000 0.000000 /
S sshd-session 3987 75187.974454 E 75188.679300 1.400000 21.439410 7 120 0.000000 0.000000 0.000000 /
S syz-execprog 3988 44126.716219 E 44128.076222 1.400000 807.186263 66 120 0.000000 0.000000 0.000000 /
S syz-execprog 3992 44125.986996 E 44127.343719 1.400000 31.591840 29 120 0.000000 0.000000 0.000000 /
S syz-execprog 3993 44126.041547 E 44127.418827 1.400000 257.361198 62 120 0.000000 0.000000 0.000000 /
S syz-executor 4548 56093.108265 E 56094.508265 1.400000 19.445229 3 120 0.000000 0.000000 0.000000 /
S syz-executor 4551 56130.001226 E 56130.681607 1.400000 19.795519 4 120 0.000000 0.000000 0.000000 /
S syz-executor 4552 56144.095504 E 56145.409727 1.400000 19.447115 13 120 0.000000 0.000000 0.000000 /
R udevd 6810 105692.750959 N 105693.496853 1.400000 30118.734200 69 120 0.000000 0.000000 0.000000 /
>R syz.2.17 6827 55538.148782 E 55539.548782 1.400000 55519.565147 4 120 0.000000 0.000000 0.000000 /syz2
Showing all locks held in the system:
6 locks held by kworker/0:1/10:
7 locks held by kworker/0:2/1117:
2 locks held by getty/2904:
#0: ffff888100ec50a0 (&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+0x41b/0x14f0 drivers/tty/n_tty.c:2222
3 locks held by udevd/6809:
3 locks held by udevd/6810:
1 lock held by udevd/6811:
5 locks held by kworker/0:3/6822:
5 locks held by syz.2.17/6827:
#0: ffffc900001a8cc0 ((&dev->timer)){+.-.}-{0:0}, at: call_timer_fn+0x117/0x620 kernel/time/timer.c:1786
#1: ffff888106f80230 (&dev->event_lock){..-.}-{3:3}, at: class_spinlock_irqsave_constructor include/linux/spinlock.h:585 [inline]
#1: ffff888106f80230 (&dev->event_lock){..-.}-{3:3}, at: input_repeat_key+0x29/0x350 drivers/input/input.c:2254
#2: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#2: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#2: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
#2: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: input_pass_values+0x80/0x890 drivers/input/input.c:118
#3: ffffffff895a4998 (kbd_event_lock){..-.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#3: ffffffff895a4998 (kbd_event_lock){..-.}-{3:3}, at: kbd_event+0x8a/0x17b0 drivers/tty/vt/keyboard.c:1535
#4: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#4: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#4: ffffffff890c2840 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6764
5 locks held by kworker/0:4/6830:
=============================================