rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
0-...D } 2653 jiffies s: 71197 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2533 Comm: acpid Not tainted 6.12.0-rc3-syzkaller-00051-g07b887f8236e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:407
Code: 72 b5 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 f8 ee 0d ff eb a2 e8 81 ef
RSP: 0018:ffffc90000006f08 EFLAGS: 00000002
RAX: dffffc0000000060 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: ffffffff82a06c30 RDI: ffffffff93635660
RBP: ffffffff93635620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: fffffbfff26c6b1e R15: dffffc0000000000
FS: 00007fd6781cd740(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001500 CR3: 0000000115966000 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+0xda/0x180 drivers/tty/serial/8250/8250_port.c:2068
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0xf5a/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:3092 [inline]
console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180
__console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
_printk+0xc8/0x100 kernel/printk/printk.c:2432
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285
sched_show_task kernel/sched/core.c:7589 [inline]
sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7564
show_state_filter+0xee/0x320 kernel/sched/core.c:7634
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
input_pass_values+0x777/0x8e0 drivers/input/input.c:126
input_event_dispose drivers/input/input.c:352 [inline]
input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
input_event drivers/input/input.c:398 [inline]
input_event+0x83/0xa0 drivers/input/input.c:390
hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652
hid_process_report drivers/hid/hid-core.c:1694 [inline]
hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
__hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
__run_hrtimer kernel/time/hrtimer.c:1691 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 76 80 42 fa 48 89 df e8 8e fd 42 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 d5 3f 37 fa 65 8b 05 b6 fd 12 79 85 c0 74 16 5b
RSP: 0018:ffffc9000157f608 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888100eb7060 RCX: 1ffffffff14ac291
RDX: 0000000000000000 RSI: ffffffff8727f1c0 RDI: ffffffff8746ea80
RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8a564d8f R11: 0000000000000000 R12: 0000000000000001
R13: ffffc9000157f820 R14: 0000000000000000 R15: ffffc9000157f800
__pollwait+0x26d/0x4c0 fs/select.c:231
poll_wait include/linux/poll.h:45 [inline]
inotify_poll+0x88/0x170 fs/notify/inotify/inotify_user.c:144
vfs_poll include/linux/poll.h:84 [inline]
do_select+0xc9a/0x17b0 fs/select.c:535
core_sys_select+0x459/0xb80 fs/select.c:678
do_pselect.constprop.0+0x1a0/0x1f0 fs/select.c:760
__do_sys_pselect6 fs/select.c:803 [inline]
__se_sys_pselect6 fs/select.c:794 [inline]
__x64_sys_pselect6+0x183/0x240 fs/select.c:794
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: 0033:0x7fd67829c591
Code: 89 44 24 20 4c 8d 64 24 20 48 89 54 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2d 45 31 c9 4d 89 e0 4c 89 f2 b8 0e 01 00 00 0f 05 <48> 89 c3 48 3d 00 f0 ff ff 76 69 48 8b 05 65 58 0d 00 f7 db 64 89
RSP: 002b:00007ffd1cea4b30 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd67829c591
RDX: 0000000000000000 RSI: 00007ffd1cea4c28 RDI: 0000000000000011
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000055a2206a1178 R14: 0000000000000000 R15: 0000000000000010
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:228
exit_task_work include/linux/task_work.h:40 [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: 0033:0x7fe3cde4dbfb
RSP: 002b:00007fe3ccac4f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007fe3cde4dbfb
RDX: 00007fe3ccac5fe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007fe3ccac5fe0 R08: 0000000000000080 R09: 00007fe3ccac4fd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000008 R15: 00007fe3cdeca273
task:syz.4.4525 state:D stack:27856 pid:26721 tgid:26711 ppid:22368 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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:228
exit_task_work include/linux/task_work.h:40 [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: 0033:0x7f2fd855dff9
RSP: 002b:00007f2fd71950e8 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f2fd8716138 RCX: 00007f2fd855dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2fd8716138
RBP: 00007f2fd8716130 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2fd871613c
R13: 0000000000000000 R14: 00007fffd94365b0 R15: 00007fffd9436698
task:syz.1.4526 state:D stack:27856 pid:26714 tgid:26713 ppid:24478 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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:228
exit_task_work include/linux/task_work.h:40 [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: 0033:0x7f3798b0dbfb
RSP: 002b:00007f3797784f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f3798b0dbfb
RDX: 00007f3797785fe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007f3797785fe0 R08: 0000000000000080 R09: 00007f3797784fd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000012 R15: 00007f3798b8a273
task:syz.3.4528 state:D stack:27856 pid:26719 tgid:26719 ppid:21723 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
__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_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:228
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: 0033:0x7fa67df8dff9
RSP: 002b:00007fff31d96ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000209f89 RCX: 00007fa67df8dff9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa67e147a80 R08: 0000000000000001 R09: 00007fff31d96f9f
R10: 00007fa67de10000 R11: 0000000000000246 R12: 000000000020a623
R13: 00007fff31d96db0 R14: 000000000000015e R15: ffffffffffffffff
task:syz.2.4529 state:D
stack:28496 pid:26724 tgid:26723 ppid:18821 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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: 0033:0x7f88e800dbfb
RSP: 002b:00007f88e6c84f10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88e800dbfb
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f88e6c85fe0 R08: 0000000000000000 R09: 00322e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f88e6c84fb0 R14: 00000000200004c0 R15: 00007f88e82f0b88
task:syz-executor state:S stack:24704 pid:26726 tgid:26726 ppid:2640 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait4+0x16c/0x280 kernel/exit.c:1851
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1879
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: 0033:0x7f0b39144213
RSP: 002b:00007ffe2c460f28 EFLAGS: 00000202
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000006867 RCX: 00007f0b39144213
RDX: 0000000040000000 RSI: 00007ffe2c460f3c RDI: 00000000ffffffff
RBP: 00007ffe2c460f3c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D
stack:26720 pid:26727 tgid:26727 ppid:26726 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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
task:syz-executor state:S stack:25408 pid:26738 tgid:26738 ppid:2640 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait4+0x16c/0x280 kernel/exit.c:1851
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1879
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: 0033:0x7f88feb64213
RSP: 002b:00007ffef38d84c8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000006873 RCX: 00007f88feb64213
RDX: 0000000040000000 RSI: 00007ffef38d84dc RDI: 00000000ffffffff
RBP: 00007ffef38d84dc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:26672 pid:26739 tgid:26739 ppid:26738 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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_state+0x1c/0x40 kernel/sched/completion.c:264
call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
call_modprobe kernel/module/kmod.c:103 [inline]
__request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
dev_load+0x1ff/0x240 net/core/dev_ioctl.c:645
dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:709
sock_do_ioctl+0x19e/0x280 net/socket.c:1241
sock_ioctl+0x228/0x6c0 net/socket.c:1346
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: 0033:0x7f88feb6dbfb
RSP: 002b:00007ffef38d7b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f88feb6dbfb
RDX: 00007ffef38d7bd0 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffef38d7bd0 R08: 0000000000000003 R09: 00315f6576616c73
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f88ff854620 R14: 0000000000000000 R15: 0000000000000000
task:syz-executor state:S stack:25408 pid:26742 tgid:26742 ppid:2640 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait4+0x16c/0x280 kernel/exit.c:1851
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1879
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: 0033:0x7fc3e4e04213
RSP: 002b:00007ffe803c3dd8 EFLAGS: 00000202
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000006879 RCX: 00007fc3e4e04213
RDX: 0000000040000000 RSI: 00007ffe803c3dec RDI: 00000000ffffffff
RBP: 00007ffe803c3dec R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:26784 pid:26745 tgid:26745 ppid:26742 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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_state+0x1c/0x40 kernel/sched/completion.c:264
call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
call_modprobe kernel/module/kmod.c:103 [inline]
__request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
dev_load+0x221/0x240 net/core/dev_ioctl.c:643
task:syz-executor state:S
stack:25408 pid:26754 tgid:26754 ppid:2640 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait4+0x16c/0x280 kernel/exit.c:1851
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1879
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: 0033:0x7f46197b4213
RSP: 002b:00007fff508fda48 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000000688a RCX: 00007f46197b4213
RDX: 0000000040000000 RSI: 00007fff508fda5c RDI: 00000000ffffffff
RBP: 00007fff508fda5c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:S
stack:25408 pid:26760 tgid:26760 ppid:2640 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait4+0x16c/0x280 kernel/exit.c:1851
__do_sys_wait4+0x15f/0x170 kernel/exit.c:1879
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: 0033:0x7fa05dcb4213
RSP: 002b:00007ffdac82f9b8 EFLAGS: 00000202
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000000688d RCX: 00007fa05dcb4213
RDX: 0000000040000000 RSI: 00007ffdac82f9cc RDI: 00000000ffffffff
RBP: 00007ffdac82f9cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:25616 pid:26762 tgid:26762 ppid:26754 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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_state+0x1c/0x40 kernel/sched/completion.c:264
call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
call_modprobe kernel/module/kmod.c:103 [inline]
__request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
dev_load+0x221/0x240 net/core/dev_ioctl.c:643
dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:709
sock_do_ioctl+0x19e/0x280 net/socket.c:1241
sock_ioctl+0x228/0x6c0 net/socket.c:1346
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: 0033:0x7f46197bdbfb
RSP: 002b:00007fff508fd0f0 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f46197bdbfb
RDX: 00007fff508fd150 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007fff508fd150 R08: 0000000000000003 R09: 00315f6576616c73
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f461a4a4620 R14: 0000000000000000 R15: 0000000000000000
task:syz-executor state:D stack:25232 pid:26765 tgid:26765 ppid:26760 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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_state+0x1c/0x40 kernel/sched/completion.c:264
call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
call_modprobe kernel/module/kmod.c:103 [inline]
__request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
dev_load+0x221/0x240 net/core/dev_ioctl.c:643
dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:709
sock_do_ioctl+0x19e/0x280 net/socket.c:1241
sock_ioctl+0x228/0x6c0 net/socket.c:1346
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: 0033:0x7fa05dcbdbfb
RSP: 002b:00007ffdac82f060 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa05dcbdbfb
RDX: 00007ffdac82f0c0 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffdac82f0c0 R08: 0000000000000001 R09: 00315f6576616c73
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fa05e9a4620 R14: 0000000000000000 R15: 0000000000000000
task:kworker/u8:5 state:S
stack:27328 pid:26775 tgid:26775 ppid:2 flags:0x00004000
Workqueue: events_unbound call_usermodehelper_exec_work
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
do_wait+0x1dd/0x570 kernel/exit.c:1697
kernel_wait+0xa0/0x160 kernel/exit.c:1868
call_usermodehelper_exec_sync kernel/umh.c:137 [inline]
call_usermodehelper_exec_work+0xf1/0x170 kernel/umh.c:164
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
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/u8:6 state:I stack:30928 pid:26785 tgid:26785 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
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/u8:3 state:R running task stack:32568 pid:27045 tgid:27045 ppid:46 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:4 state:R running task stack:32568 pid:27074 tgid:27074 ppid:24802 flags:0x00004000
Call Trace:
entry_SYSCALL_64_after_hwframe+0x77/0x7f
task:kworker/u8:1 state:R
running task stack:32568 pid:27075 tgid:27075 ppid:28 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:5 state:R running task stack:32568 pid:27082 tgid:27082 ppid:26775 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:modprobe state:R running task stack:24416 pid:27084 tgid:27084 ppid:24802 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
do_exit+0x1de7/0x2ce0 kernel/exit.c:990
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffb4b94aa90
RSP: 002b:00007ffde2897cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ffb4ba3b860 RCX: 00007ffb4b94aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ffb4ba3b860 R08: 0000000000000001 R09: 40a1dd4cc5de6f45
R10: 00007ffde2897b90 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffb4ba3f658 R15: 0000000000000001
task:kworker/u8:2 state:R running task stack:28784 pid:27085 tgid:27085 ppid:21726 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6861
__cond_resched+0x1b/0x30 kernel/sched/core.c:7199
_cond_resched include/linux/sched.h:2031 [inline]
stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
sched_exec+0x1dc/0x270 kernel/sched/core.c:5453
bprm_execve fs/exec.c:1838 [inline]
bprm_execve+0x46c/0x1950 fs/exec.c:1821
task:kworker/u8:0 state:R running task stack:32568 pid:27087 tgid:27087 ppid:17989 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:5 state:R running task
stack:32568 pid:27090 tgid:27090 ppid:26775 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:modprobe state:R running task stack:25408 pid:27093 tgid:27093 ppid:21726 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6682
do_task_dead+0xd6/0x110 kernel/sched/core.c:6698
do_exit+0x1de7/0x2ce0 kernel/exit.c:990
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2caed1a90
RSP: 002b:00007ffe0101c408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd2cafc2860 RCX: 00007fd2caed1a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd2cafc2860 R08: 0000000000000001 R09: 748ac058cdfe6bc0
R10: 00007ffe0101c2c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd2cafc6658 R15: 0000000000000001
task:kworker/u8:3 state:R
running task
stack:32568 pid:27094 tgid:27094 ppid:46 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:0 state:R running task stack:32568 pid:27097 tgid:27097 ppid:17989 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:4 state:R running task stack:32568 pid:27098 tgid:27098 ppid:24802 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:modprobe state:R running task stack:25408 pid:27099 tgid:27099 ppid:26775 flags:0x00000002
Call Trace:
task:kworker/u8:1 state:R running task stack:32568 pid:27103 tgid:27103 ppid:28 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:kworker/u8:5 state:R running task stack:32568 pid:27105 tgid:27105 ppid:26775 flags:0x00004000
Call Trace:
__switch_to_asm+0x70/0x70
task:modprobe state:R running task stack:25408 pid:27107 tgid:27107 ppid:46 flags:0x00000002
Call Trace: