rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D } 2671 jiffies s: 57605 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 21793 Comm: kworker/1:1 Not tainted 6.12.0-rc4-syzkaller-00059-gc67e9601e29a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:413
Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 31 f0 0d ff eb a0 e8 ba f0 0d
RSP: 0018:ffffc900001b80e0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff82a08975 RDI: ffffffff93637660
RBP: ffffffff93637620 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff93637670 R15: 0000000000000070
FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2c21d0 CR3: 0000000116bc0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_out drivers/tty/serial/8250/8250.h:142 [inline]
serial8250_clear_IER+0x9b/0xc0 drivers/tty/serial/8250/8250_port.c:699
serial8250_console_write+0x243/0x17c0 drivers/tty/serial/8250/8250_port.c:3358
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: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:341 [inline]
input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
input_event drivers/input/input.c:398 [inline]
input_event+0x83/0xa0 drivers/input/input.c:390
input_sync include/linux/input.h:451 [inline]
hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1736
hid_report_raw_event+0x274/0x11c0 drivers/hid/hid-core.c:2047
__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:__seqprop_spinlock_sequence include/linux/seqlock.h:227 [inline]
RIP: 0010:nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
RIP: 0010:gc_worker+0x2e1/0x1760 net/netfilter/nf_conntrack_core.c:1534
Code: 00 00 48 c7 c7 08 93 56 8a e8 eb a3 2f fb 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 89 3f 52 fb 48 85 db 58 0f 85 3d 10 00 00 0a 3d 52 fb eb 07 e8 03 3d 52 fb f3 90 44 8b 35 3a dd 52 04 44
RSP: 0018:ffffc9000183fbc8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8603c16a
RDX: ffff88810ebc57c0 RSI: ffffffff8603c179 RDI: 0000000000000007
RBP: ffff888112200000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000001894b
R13: dffffc0000000000 R14: 0000000000031295 R15: 0000000000040000
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
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
__do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
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: 0033:0x7f82a5755457
RSP: 002b:00007ffefeee88d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82a5755457
RDX: 0000000000000004 RSI: 00007ffefeee8918 RDI: 0000000000000004
RBP: 000055fc8ca14220 R08: 0000000000000007 R09: e456af1e2b2a01c3
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fc8ca25820
R13: 00007ffefeee8918 R14: 00000000ffffffff R15: 000055fc8c9e52c0
task:udevd state:S stack:24272 pid:21174 tgid:21174 ppid:2861 flags:0x00000002
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_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
__do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
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: 0033:0x7f82a5755457
RSP: 002b:00007ffefeee88d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82a5755457
RDX: 0000000000000004 RSI: 00007ffefeee8918 RDI: 0000000000000004
RBP: 000055fc8ca2dfb0 R08: 0000000000000007 R09: e456af1e2b2a01c3
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fc8ca2f340
R13: 00007ffefeee8918 R14: 00000000ffffffff R15: 000055fc8c9e52c0
task:udevd state:S stack:27280 pid:21175 tgid:21175 ppid:2861 flags:0x00000002
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_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
__do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
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: 0033:0x7f82a5755457
RSP: 002b:00007ffefeee88d8 EFLAGS: 00000246
ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82a5755457
RDX: 0000000000000004 RSI: 00007ffefeee8918 RDI: 0000000000000004
RBP: 000055fc8ca290a0 R08: 0000000000000007 R09: e456af1e2b2a01c3
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fc8ca21b20
R13: 00007ffefeee8918 R14: 00000000ffffffff R15: 000055fc8c9e52c0
task:udevd state:S stack:28176 pid:21176 tgid:21176 ppid:2861 flags:0x00000002
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_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
__do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
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: 0033:0x7f82a5755457
RSP: 002b:00007ffefeee88d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82a5755457
RDX: 0000000000000004 RSI: 00007ffefeee8918 RDI: 0000000000000004
RBP: 000055fc8ca30fa0 R08: 0000000000000006 R09: e456af1e2b2a01c3
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fc8ca26be0
R13: 00007ffefeee8918 R14: 00000000ffffffff R15: 000055fc8c9e52c0
task:udevd state:S
stack:27488 pid:21177 tgid:21177 ppid:2861 flags:0x00000002
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_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459
__do_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2466 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466
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: 0033:0x7f82a5755457
RSP: 002b:00007ffefeee88d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82a5755457
RDX: 0000000000000004 RSI: 00007ffefeee8918 RDI: 0000000000000004
RBP: 000055fc8ca21db0 R08: 0000000000000007 R09: e456af1e2b2a01c3
R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fc8ca457b0
R13: 00007ffefeee8918 R14: 00000000ffffffff R15: 000055fc8c9e52c0
task:kworker/0:7 state:I stack:23136 pid:21180 tgid:21180 ppid:2 flags:0x00004000
Workqueue: 0x0 (usb_hub_wq)
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/1:1 state:R running task stack:23376 pid:21793 tgid:21793 ppid:2 flags:0x00004008
Workqueue: events_power_efficient gc_worker
Call Trace:
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:341 [inline]
input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369
input_event drivers/input/input.c:398 [inline]
input_event+0x83/0xa0 drivers/input/input.c:390
input_sync include/linux/input.h:451 [inline]
hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1736
hid_report_raw_event+0x274/0x11c0 drivers/hid/hid-core.c:2047
__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:__seqprop_spinlock_sequence include/linux/seqlock.h:227 [inline]
RIP: 0010:nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
RIP: 0010:gc_worker+0x2e1/0x1760 net/netfilter/nf_conntrack_core.c:1534
Code: 00 00 48 c7 c7 08 93 56 8a e8 eb a3 2f fb 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 89 3f 52 fb 48 85 db 58 0f 85 3d 10 00 00 0a 3d 52 fb eb 07 e8 03 3d 52 fb f3 90 44 8b 35 3a dd 52 04 44
RSP: 0018:ffffc9000183fbc8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8603c16a
RDX: ffff88810ebc57c0 RSI: ffffffff8603c179 RDI: 0000000000000007
RBP: ffff888112200000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000001894b
R13: dffffc0000000000 R14: 0000000000031295 R15: 0000000000040000
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/1:5 state:R
running task stack:23776 pid:22600 tgid:22600 ppid:2 flags:0x00004000
Workqueue: events dvb_usb_read_remote_control
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:syz.1.4340 state:D
stack:27856 pid:23397 tgid:23396 ppid:15416 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
synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:991
evdev_detach_client drivers/input/evdev.c:377 [inline]
evdev_release+0x23f/0x400 drivers/input/evdev.c:440
__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: 0033:0x7faad792e31b
RSP: 002b:00007faad65a4f60 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007faad792e31b
RDX: 00007faad65a5ff0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007faad79a132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000020000080 R14: 00007faad7ae5f80 R15: 00007ffec742d2c8
task:syz.5.4341 state:D stack:28496 pid:23399 tgid:23398 ppid:18782 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
get_signal+0x1ca/0x2770 kernel/signal.c:2690
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: 0033:0x7fb77494e31b
RSP: 002b:00007fb7735c4f60 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007fb77494e31b
RDX: 00007fb7735c5ff0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007fb7749c132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb774b05f80 R15: 00007ffdb35c5618
task:syz.3.4343 state:S stack:27856 pid:23404 tgid:23404 ppid:19436 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: 0033:0x7f4dd6e5e719
RSP: 002b:00007ffd125117d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ffd12511900 RCX: 00007f4dd6e5e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4dd7015f8c
RBP: 00007f4dd7015f8c R08: 00007f4dd7b57080 R09: 00007ffd12511acf
R10: 00007ffd125118e0 R11: 0000000000000246 R12: 000000000021f5f2
R13: 00007ffd125118e0 R14: 0000000000000bea R15: 000000000021ea08
task:syz.3.4343 state:S stack:28720 pid:23405 tgid:23404 ppid:19436 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
___down_common+0x2d7/0x460 kernel/locking/semaphore.c:225
__down_common kernel/locking/semaphore.c:246 [inline]
__down_interruptible+0x21/0x40 kernel/locking/semaphore.c:259
down_interruptible+0x7f/0xa0 kernel/locking/semaphore.c:87
raw_event_queue_fetch drivers/usb/gadget/legacy/raw_gadget.c:100 [inline]
raw_ioctl_event_fetch drivers/usb/gadget/legacy/raw_gadget.c:637 [inline]
raw_ioctl+0x11ea/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1309
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: 0033:0x7f4dd6e5e31b
RSP: 002b:00007f4dd5ad4f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4dd6e5e31b
RDX: 00007f4dd5ad5fe0 RSI: 0000000080085502 RDI: 0000000000000004
RBP: 00007f4dd5ad5fe0 R08: 0000000000000000 R09: 00332e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000020000040 R15: 00007f4dd6edb30b
task:syz.0.4344 state:D stack:27856 pid:23409 tgid:23408 ppid:16016 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_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: 0033:0x7f9d9c85e31b
RSP: 002b:00007f9d9b4cef60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f9d9c85e31b
RDX: 00007f9d9b4cfff0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007f9d9c8d132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00000000200003c0
R13: 0000000000000000 R14: 00007f9d9ca15f80 R15: 00007ffe431d8cd8
task:syz.6.4345 state:D stack:27856 pid:23411 tgid:23410 ppid:20042 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: 0033:0x7fafe492e31b
RSP: 002b:00007fafe35a4f10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007fafe492e31b
RDX: 00007fafe35a5fe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007fafe35a5fe0 R08: 0000000000000000 R09: 00362e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 00000000200000c0 R15: 00007fafe49ab30b
task:syz-executor state:D stack:26144 pid:23415 tgid:23415 ppid:2953 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]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
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: 0033:0x7f7cf546e753
RSP: 002b:00007ffe03e12b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7cf546e753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe03e12b90
R13: 00007ffe03e12b98 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:26144 pid:23416 tgid:23416 ppid:2953 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]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
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: 0033:0x7f7b5fcbe753
RSP: 002b:00007ffc3b2be9e8 EFLAGS: 00000246
ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b5fcbe753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc3b2bea50
R13: 00007ffc3b2bea58 R14: 0000000000000009 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by getty/2919:
#0:
ffff88811211e0a0
(
&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
3 locks held by syz-executor/2953:
#0: ffff88811792b4a8
(&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
(&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6232
#1: ffff888114e984f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2:
ffff888114e9c958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
7 locks held by kworker/0:3/5237:
5 locks held by kworker/1:7/14303:
4 locks held by udevd/21163:
#0:
ffff888118bf0c30 (&p->lock){+.+.}-{3:3}
, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1: ffff88812dce9c88
(&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff8881076a5788 (kn->active
#9){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3:
ffff88813c655190
(&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1019 [inline]
(&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
7 locks held by kworker/1:1/21793:
#0: ffff888100081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}
, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000183fd80
((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2:
ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: gc_worker+0x247/0x1760 net/netfilter/nf_conntrack_core.c:1532
#3: ffff88810cfa9230 (&dev->event_lock
){..-.}-{2:2}, at: input_event drivers/input/input.c:397 [inline]
){..-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:390
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x8e0 drivers/input/input.c:118
#5:
ffffffff89387a58 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffffffff89387a58 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535
#6:
ffffffff88ebb140 (rcu_read_lock){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
1 lock held by syz.1.4340/23397:
#0: ffffffff88ec6a38
(rcu_state.exp_mutex
){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297
1 lock held by syz.0.4344/23409:
#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-executor/23415:
#0: ffff88811af17098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811af17098 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff888114e983f8 (
sb_writers
#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2: ffff888114e9c958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz-executor/23416:
#0: ffff88811af14b98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811af14b98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff888114e983f8 (
sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2:
ffff888114e9c958 (jbd2_handle){++++}-{0:0}
, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
=============================================