rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D } 2655 jiffies s: 82553 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2846 Comm: acpid Not tainted 6.12.0-rc4-syzkaller-00052-gc6d9e43954bf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x70 kernel/kcov.c:216
Code: ff ff ff 31 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <65> 48 8b 15 34 d1 ad 7e 65 8b 05 35 d1 ad 7e a9 00 01 ff 00 48 8b
RSP: 0018:ffffc900001b7af0 EFLAGS: 00000097
RAX: 0000000000000002 RBX: ffffffff8728c781 RCX: ffffffff86e6a2bf
RDX: ffff888116738000 RSI: 0000000000000009 RDI: 0000000000000005
RBP: ffffffff8728c782 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000005 R11: 0000000000f15678 R12: ffffc900001b7bf8
R13: ffffffff8728c781 R14: 0000000000000035 R15: 0000000000000005
FS: 00007fab203e7740(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001a80 CR3: 00000001166e4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
format_decode+0x952/0xba0 lib/vsprintf.c:2571
vsnprintf+0x13d/0x1880 lib/vsprintf.c:2755
sprintf+0xcd/0x110 lib/vsprintf.c:3007
print_time kernel/printk/printk.c:1362 [inline]
info_print_prefix+0x25c/0x350 kernel/printk/printk.c:1388
record_print_text+0x141/0x400 kernel/printk/printk.c:1437
printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978
console_emit_next_record kernel/printk/printk.c:3046 [inline]
console_flush_all+0x6ec/0xc60 kernel/printk/printk.c:3180
__console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
_printk+0xc8/0x100 kernel/printk/printk.c:2432
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x21f/0x3d0 arch/x86/kernel/dumpstack.c:285
sched_show_task kernel/sched/core.c:7604 [inline]
sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7579
show_state_filter+0xee/0x320 kernel/sched/core.c:7649
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
input_pass_values+0x777/0x8e0 drivers/input/input.c:126
input_event_dispose drivers/input/input.c:352 [inline]
input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
input_event drivers/input/input.c:398 [inline]
input_event+0x83/0xa0 drivers/input/input.c:390
hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
hid_input_array_field+0x330/0x710 drivers/hid/hid-core.c:1644
hid_process_report drivers/hid/hid-core.c:1694 [inline]
hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
__hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f0/0x3930 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1691 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__x64_sys_rt_sigprocmask+0x4b/0x290 kernel/signal.c:3201
Code: e5 48 c7 04 24 b3 8a b5 41 48 c7 44 24 08 18 b0 79 88 48 c1 ed 03 48 c7 44 24 10 f0 13 1f 81 4a 8d 44 25 00 c7 00 f1 f1 f1 f1 40 04 00 f2 f2 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00
RSP: 0018:ffffc900017ffe70 EFLAGS: 00000a02
RAX: fffff520002fffce RBX: ffffc900017fff58 RCX: 1ffffffff14ac291
RDX: 0000000000000000 RSI: 000000000000000e RDI: ffffc900017fff58
RBP: 1ffff920002fffce R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8a564d8f R11: 0000000000000000 R12: dffffc0000000000
R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000
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: 0033:0x7fab2045d773
Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41
RSP: 002b:00007fff7d39c6e0 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fab2045d773
RDX: 0000000000000000 RSI: 000055b377931480 RDI: 0000000000000001
RBP: 0000000000000009 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff7d39c798
R13: 000055b37792b178 R14: 0000000000000001 R15: 000000000000000c
task:kworker/u8:3 state:I stack:24112 pid:23346 tgid:23346 ppid:2 flags:0x00004000
Workqueue: 0x0
(events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:10 state:I stack:21680 pid:23513 tgid:23513 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:9 state:I stack:22400 pid:24347 tgid:24347 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:0 state:I stack:22512 pid:26173 tgid:26173 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:10 state:R running task stack:21520 pid:26430 tgid:26430 ppid:2 flags:0x00004000
Workqueue: events console_callback
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
__cond_resched+0x1b/0x30 kernel/sched/core.c:7214
_cond_resched include/linux/sched.h:2031 [inline]
process_one_work+0xbc5/0x1ba0 kernel/workqueue.c:3262
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:11 state:I
stack:24240 pid:26435 tgid:26435 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:9 state:I stack:22864 pid:27029 tgid:27029 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
worker_thread+0x2de/0xf00 kernel/workqueue.c:3406
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz.2.5353 state:S
stack:27856 pid:28018 tgid:28018 ppid:17242 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032
hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080
common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline]
__x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388
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: 0033:0x7f2aeb870805
RSP: 002b:00007ffe6dc207f0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2aeb870805
RDX: 00007ffe6dc20830 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000266d5a
R13: 00007ffe6dc20960 R14: 000000000000015e R15: ffffffffffffffff
task:syz.2.5353 state:S
stack:28224 pid:28019 tgid:28018 ppid:17242 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
do_futex+0x22b/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+0x1e1/0x4c0 kernel/futex/syscalls.c:160
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: 0033:0x7f2aeb83e719
RSP: 002b:00007f2aea4b70e8 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f2aeb9f5f88 RCX: 00007f2aeb83e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2aeb9f5f88
RBP: 00007f2aeb9f5f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2aeb9f5f8c
R13: 0000000000000000 R14: 00007ffe6dc20610 R15: 00007ffe6dc206f8
task:syz.1.5355 state:D stack:27600 pid:28024 tgid:28024 ppid:17845 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x3f6/0xb60 fs/file_table.c:431
task_work_run+0x14e/0x250 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xadd/0x2ce0 kernel/exit.c:939
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac2780e719
RSP: 002b:00007ffcc6b54998 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00007ffcc6b54ac0 RCX: 00007fac2780e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fac279c5f8c
RBP: 00007fac279c5f8c R08: 00007fac28503080 R09: 00007ffcc6b54c8f
R10: 00007ffcc6b54aa0 R11: 0000000000000246 R12: 0000000000266f4d
R13: 00007ffcc6b54aa0 R14: 0000000000000bea R15: 0000000000266363
task:syz.3.5357 state:D stack:27856 pid:28028 tgid:28028 ppid:19109 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x3f6/0xb60 fs/file_table.c:431
task_work_run+0x14e/0x250 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x24e/0x260 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6bba2e719
RSP: 002b:00007ffd696151a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fc6bbbe7a80 RCX: 00007fc6bba2e719
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fc6bbbe7a80 R08: 0000000000000006 R09: 00007ffd6961549f
R10: 00000000003ffc88 R11: 0000000000000246 R12: 0000000000268693
R13: 00007ffd696152b0 R14: 0000000000000bea R15: ffffffffffffffff
task:syz.3.5357 state:D stack:28336 pid:28029 tgid:28028 ppid:19109 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_register_driver_owner+0x20f/0x330 drivers/usb/gadget/udc/core.c:1722
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fc6bba2e31b
RSP: 002b:00007fc6ba69ef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc6bba2e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005
RBP: 00007fc6ba69ffe0 R08: 0000000000000000 R09: 00332e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc6ba69efb0 R14: 00000000200000c0 R15: 00007fc6bbd113f0
task:syz.0.5359 state:S stack:27200 pid:28035 tgid:28035 ppid:18527 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
do_futex+0x22b/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+0x1e1/0x4c0 kernel/futex/syscalls.c:160
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: 0033:0x7fb34755e719
RSP: 002b:00007ffd933ba9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ffd933bab20 RCX: 00007fb34755e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb347715f8c
RBP: 00007fb347715f8c R08: 00007fb348253080 R09: 00007ffd933bacef
R10: 00007ffd933bab00 R11: 0000000000000246 R12: 0000000000266f01
R13: 00007ffd933bab00 R14: 000000000000015e R15: 0000000000266da3
task:syz.0.5359 state:S stack:28336 pid:28036 tgid:28035 ppid:18527 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
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_interruptible+0x1f/0x40 kernel/sched/completion.c:216
raw_process_ep_io+0x5d7/0xb90 drivers/usb/gadget/legacy/raw_gadget.c:1121
raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1152 [inline]
raw_ioctl+0xa4d/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1324
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fb34755e31b
RSP: 002b:00007fb3461d5f70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000ffffff75 RCX: 00007fb34755e31b
RDX: 00007fb3461d5ff0 RSI: 0000000040085507 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007fb347840320 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00000000200002c0
R13: 0000000000000000 R14: 00007fb347715f80 R15: 00007ffd933ba898
task:syz.4.5360 state:D stack:25424 pid:28040 tgid:28040 ppid:16434 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
__file_update_time fs/inode.c:2245 [inline]
file_update_time+0x12e/0x160 fs/inode.c:2275
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6102
do_page_mkwrite+0x177/0x380 mm/memory.c:3162
wp_page_shared mm/memory.c:3563 [inline]
do_wp_page+0xaa0/0x3fa0 mm/memory.c:3713
handle_pte_fault mm/memory.c:5771 [inline]
__handle_mm_fault+0xd92/0x3390 mm/memory.c:5898
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6066
do_user_addr_fault+0x613/0x12c0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fcb6140fe77
RSP: 002b:00007ffdc27c25c0 EFLAGS: 00010206
RAX: 0000001b2eb2021c RBX: 00007fcb62225720 RCX: ffffffff810f0b7a
RDX: 0000001b2eb2021c RSI: 0000000000000008 RDI: 00007fcb62225720
RBP: 0000000000000026 R08: 00007fcb616e0000 R09: 00007fcb616e2000
R10: 00000000810f0b7e R11: 0000000000000005 R12: 00000000000000e5
R13: 0000000000000000 R14: 00000000000000e4 R15: 0000000000000000
task:syz.4.5360 state:D stack:28496 pid:28041 tgid:28040 ppid:16434 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:991
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_register_driver_owner+0x20f/0x330 drivers/usb/gadget/udc/core.c:1722
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fcb6153e31b
RSP: 002b:00007fcb601aef10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcb6153e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005
RBP: 00007fcb601affe0 R08: 0000000000000000 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb601aefb0 R14: 0000000020000000 R15: 00007fcb618213f0
task:syz.4.5360 state:D stack:28992 pid:28045 tgid:28040 ppid:16434 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_register_driver_owner+0x20f/0x330 drivers/usb/gadget/udc/core.c:1722
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fcb6153e31b
RSP: 002b:00007fcb6018df10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb6153e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000006
RBP: 00007fcb6018efe0 R08: 0000000000000000 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb6018dfb0 R14: 0000000020000080 R15: 00007fcb61821c58
task:syz.4.5360 state:D
stack:28832 pid:28046 tgid:28040 ppid:16434 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_register_driver_owner+0x20f/0x330 drivers/usb/gadget/udc/core.c:1722
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fcb6153e31b
RSP: 002b:00007fcb6016cf10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcb6153e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000007
RBP: 00007fcb6016dfe0 R08: 0000000000000000 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb6016cfb0 R14: 0000000020000040 R15: 00007fcb618224c0
task:syz.4.5360 state:D stack:28992 pid:28047 tgid:28040 ppid:16434 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_register_driver_owner+0x20f/0x330 drivers/usb/gadget/udc/core.c:1722
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
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: 0033:0x7fcb6153e31b
RSP: 002b:00007fcb5ff49f10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fcb6153e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000008
RBP: 00007fcb5ff4afe0 R08: 0000000000000000 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb5ff49fb0 R14: 0000000020000440 R15: 00007fcb61822d28
task:syz.4.5360 state:S stack:28992 pid:28048 tgid:28040 ppid:16434 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
do_futex+0x22b/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+0x1e1/0x4c0 kernel/futex/syscalls.c:160
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: 0033:0x7fcb6153e719
RSP: 002b:00007fcb5fd290e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fcb616f62e8 RCX: 00007fcb6153e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcb616f62e8
RBP: 00007fcb616f62e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb616f62ec
R13: 0000000000000000 R14: 00007ffdc27c23d0 R15: 00007ffdc27c24b8
Showing all locks held in the system:
6 locks held by kworker/0:2/1114:
#0:
ffff888105ef6d48 ((wq_completion)usb_hub_wq
){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1:
ffffc90001d8fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810af30190 (
&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff888137c1b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff888137c1b190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
#4: ffff88811f819160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff88811f819160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff88811f819160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
#5: ffffffff89bd7648 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2272
4 locks held by acpid/2846:
#0: ffff888133aad230 (&dev->event_lock){..-.}-{2:2}, at: input_event drivers/input/input.c:397 [inline]
#0: ffff888133aad230 (&dev->event_lock){..-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:390
#1: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x8e0 drivers/input/input.c:118
#2: ffffffff89387a58 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffffffff89387a58 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535
#3:
ffffffff88ebb140
(rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
(rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
(rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
2 locks held by getty/2919:
#0: ffff888111fac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1:
ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
6 locks held by kworker/1:0/8767:
#0: ffff888105ef6d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000fa8fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810abe1190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810abe1190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3:
ffff88810abe4508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline]
ffff88810abe4508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline]
ffff88810abe4508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
ffff88810abe4508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5821 [inline]
ffff88810abe4508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x28aa/0x4f40 drivers/usb/core/hub.c:5903
#4: ffff888105b32c68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline]
#4: ffff888105b32c68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#4: ffff888105b32c68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#4: ffff888105b32c68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x28d0/0x4f40 drivers/usb/core/hub.c:5903
#5:
ffffffff899cc910 (
ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1a7/0x1e60 drivers/usb/core/hub.c:3021
5 locks held by kworker/1:3/14954:
#0: ffff888105ef6d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1:
ffffc90002447d80 ((work_completion)(&hub->events)
){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810af98190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810af98190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff888135dd2190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff888135dd2190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#4: ffff88811dd55160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff88811dd55160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
1 lock held by syz.3.5357/28029:
#0:
ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
3 locks held by syz.4.5360/28040:
#0:
ffff88811d7dda90 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
ffff88811d7dda90 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6232
#1: ffff8881151d44f0 (
sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff888114fde958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
1 lock held by syz.4.5360/28041:
#0: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297
=============================================
keytouch 0003:0926:3333.02FD: usb_submit_urb(ctrl) failed: -19
dummy_hcd dummy_hcd.0: timer fired with no URBs pending?