rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D
} 2655 jiffies s: 24553 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 PID: 2374 Comm: klogd Not tainted 6.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:424
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 18 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 e8 e5 52 15 ff eb a4 e8 3e 53 15 ff eb e1 66
RSP: 0018:ffffc90000197e30 EFLAGS: 00000002
RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82849455 RDI: ffffffff8c156ee0
RBP: ffffffff8c156ea0 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 205d314320202020 R12: 0000000000000000
R13: 000000000000005b R14: ffffffff828493f0 R15: 0000000000000000
FS: 00007f9cf0ec3380(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9457bb5ff8 CR3: 00000001043c7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_out drivers/tty/serial/8250/8250.h:122 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3378 [inline]
serial8250_console_write+0xd29/0x1060 drivers/tty/serial/8250/8250_port.c:3449
console_emit_next_record kernel/printk/printk.c:2910 [inline]
console_flush_all+0x4eb/0xfb0 kernel/printk/printk.c:2966
console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2307
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2332
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x211/0x4f0 arch/x86/kernel/dumpstack.c:285
sched_show_task kernel/sched/core.c:9182 [inline]
sched_show_task+0x3f7/0x600 kernel/sched/core.c:9156
show_state_filter+0xee/0x310 kernel/sched/core.c:9227
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xea/0x140 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xcc8/0x17c0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x382/0x4c0 drivers/input/input.c:132
input_pass_values.part.0+0x52f/0x7a0 drivers/input/input.c:161
input_pass_values drivers/input/input.c:150 [inline]
input_event_dispose+0x556/0x770 drivers/input/input.c:389
input_handle_event+0x11c/0xd80 drivers/input/input.c:406
input_event drivers/input/input.c:435 [inline]
input_event+0x83/0xa0 drivers/input/input.c:427
hidinput_hid_event+0xa01/0x2400 drivers/hid/hid-input.c:1729
hid_process_event+0x4b1/0x5e0 drivers/hid/hid-core.c:1534
hid_input_array_field+0x53c/0x710 drivers/hid/hid-core.c:1646
hid_process_report drivers/hid/hid-core.c:1688 [inline]
hid_report_raw_event+0xa12/0x11e0 drivers/hid/hid-core.c:2009
hid_input_report+0x342/0x440 drivers/hid/hid-core.c:2083
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1733
dummy_timer+0x1415/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x19e/0x580 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x764/0xb10 kernel/time/timer.c:2022
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
__do_softirq+0x20b/0x94e kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1074
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:skb_set_owner_w+0x4/0x460 net/core/sock.c:2516
Code: e4 f9 ff ff e8 6d 6f 58 fc e9 ef fe ff ff e8 63 6f 58 fc e9 39 fe ff ff 48 89 ef e8 56 6f 58 fc e9 e9 fd ff ff 90 f3 0f 1e fa <41> 56 41 55 41 54 55 48 89 f5 53 48 89 fb e8 19 f9 0b fc 4c 8d 6b
RSP: 0018:ffffc900005afa30 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8881403c53c0 RCX: 0000000000000000
RDX: ffff888115469d00 RSI: ffff88811493b000 RDI: ffff8881403c53c0
RBP: dffffc0000000000 R08: ffff8881403c5488 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88811493b26c
R13: 7fffffffffffffff R14: ffff88811493b000 R15: 0000000000000600
sock_alloc_send_pskb+0x800/0x970 net/core/sock.c:2798
unix_dgram_sendmsg+0x455/0x1c30 net/unix/af_unix.c:1953
sock_sendmsg_nosec net/socket.c:730 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:753
__sys_sendto+0x255/0x340 net/socket.c:2177
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2185
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9cf10259b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fffc893a2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9cf10259b5
RDX: 000000000000006c RSI: 000055f5c149d120 RDI: 0000000000000003
RBP: 000055f5c1494910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f9cf11b3212 R14: 00007fffc893a3c8 R15: 0000000000000000
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
do_nanosleep+0x218/0x500 kernel/time/hrtimer.c:2047
hrtimer_nanosleep+0x1ae/0x440 kernel/time/hrtimer.c:2100
common_nsleep+0xa1/0xc0 kernel/time/posix-timers.c:1350
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline]
__x64_sys_clock_nanosleep+0x344/0x490 kernel/time/posix-timers.c:1373
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcccdf2def5
RSP: 002b:00007ffd7b769d90 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007fccce021f80 RCX: 00007fcccdf2def5
RDX: 00007ffd7b769dd0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fccce023980 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000026547b
R13: ffffffffffffffff R14: 00007fcccda86000 R15: 0000000000264856
task:syz-executor.1 state:S stack:28976 pid:27758 ppid:2507 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
___down_common kernel/locking/semaphore.c:225 [inline]
__down_common+0x327/0x6c0 kernel/locking/semaphore.c:246
down_interruptible+0x7b/0xa0 kernel/locking/semaphore.c:87
raw_event_queue_fetch drivers/usb/gadget/legacy/raw_gadget.c:99 [inline]
raw_ioctl_event_fetch drivers/usb/gadget/legacy/raw_gadget.c:590 [inline]
raw_ioctl+0x11d9/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1258
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcccdf0284b
RSP: 002b:00007fcccd282fa0 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcccdf0284b
RDX: 00007fcccd284070 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007fcccd284070 R08: 0000000000000080 R09: 00007fcccd283068
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000040 R15: 00007fcccdf56791
task:syz-executor.1 state:S
stack:29152 pid:27759 ppid:2507 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:355
futex_wait+0x2ef/0x6a0 kernel/futex/waitwake.c:656
do_futex+0x18b/0x350 kernel/futex/syscalls.c:106
__do_sys_futex kernel/futex/syscalls.c:183 [inline]
__se_sys_futex kernel/futex/syscalls.c:164 [inline]
__x64_sys_futex+0x1e1/0x4c0 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcccdf02ae9
RSP: 002b:00007fcccd264178 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fccce022058 RCX: 00007fcccdf02ae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fccce022058
RBP: 00007fccce022050 R08: 00007fcccd2646c0 R09: 00007fcccd2646c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fccce02205c
R13: 0000000000000006 R14: 00007ffd7b769c30 R15: 00007ffd7b769d18
task:syz-executor.1 state:S stack:28912 pid:27764 ppid:2507 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:355
futex_wait+0x2ef/0x6a0 kernel/futex/waitwake.c:656
do_futex+0x18b/0x350 kernel/futex/syscalls.c:106
__do_sys_futex kernel/futex/syscalls.c:183 [inline]
__se_sys_futex kernel/futex/syscalls.c:164 [inline]
__x64_sys_futex+0x1e1/0x4c0 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcccdf02ae9
RSP: 002b:00007fcccd243178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fccce022128 RCX: 00007fcccdf02ae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fccce022128
RBP: 00007fccce022120 R08: 00007fcccd2436c0 R09: 00007fcccd2436c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fccce02212c
R13: 000000000000000b R14: 00007ffd7b769c30 R15: 00007ffd7b769d18
task:udevd state:S
stack:27728 pid:27754 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246
ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afba2c0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0afcaf70
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
task:udevd state:S
stack:28496 pid:27755 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afe1cc0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0afc3ae0
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
task:udevd state:S stack:28128 pid:27763 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afe1cc0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0afceaf0
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
task:udevd state:S stack:28336 pid:27765 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afdacf0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0afe4100
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
task:udevd state:D
stack:28208 pid:27767 ppid:2385 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
synchronize_rcu_expedited+0x617/0x7e0 kernel/rcu/tree_exp.h:1007
synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3539
evdev_detach_client drivers/input/evdev.c:386 [inline]
evdev_release+0x245/0x400 drivers/input/evdev.c:449
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565ae40a8
RSP: 002b:00007fff70c69808 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fb5659b8ae0 RCX: 00007fb565ae40a8
RDX: fffffffffffffe60 RSI: 0000000080184540 RDI: 0000000000000008
RBP: 0000555f0afdacf0 R08: 00000000ffffffff R09: 00007fb565bbeb10
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 0000555f0a59de55 R14: 0000000000000004 R15: ffffffffffffffff
task:udevd state:S
stack:28240 pid:27768 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afe7ee0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0afd73a0
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
task:udevd state:S stack:28512 pid:27781 ppid:2385 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2301
ep_poll fs/eventpoll.c:1921 [inline]
do_epoll_wait+0x131a/0x1a00 fs/eventpoll.c:2318
__do_sys_epoll_wait fs/eventpoll.c:2330 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2325 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2325
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb565af0457
RSP: 002b:00007fff70c6eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb565af0457
RDX: 0000000000000004 RSI: 00007fff70c6ebb8 RDI: 0000000000000004
RBP: 0000555f0afe7ee0 R08: 0000000000000007 R09: b48ecf279d831825
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000555f0affd900
R13: 00007fff70c6ebb8 R14: 00000000ffffffff R15: 0000555f0afb9910
Showing all locks held in the system:
5 locks held by klogd/2374:
#0:
ffffc90000198ce0
((&dum_hcd->timer)
){+.-.}-{0:0}, at: call_timer_fn+0x123/0x580 kernel/time/timer.c:1697
#1: ffff88810f796230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:434 [inline]
#1: ffff88810f796230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:427
#2: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#2: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#2: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x3e/0x7a0 drivers/input/input.c:153
#3: ffffffff8833e1f8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#3: ffffffff8833e1f8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17c0 drivers/tty/vt/keyboard.c:1537
#4:
ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by getty/2443:
#0: ffff88810b3d30a0 (&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+0xfc5/0x1480 drivers/tty/n_tty.c:2206
4 locks held by syz-executor.0/2504:
#0: ffff8881397b14c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
#1:
ffff8881426270f8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
#2:
ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2291 [inline]
ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x463/0x5f0 fs/readdir.c:109
#3: ffff8881131ec988 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d6/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-executor.3/2509:
#0: ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: do_unlinkat+0x1ca/0x6d0 fs/namei.c:4379
#1:
ffff888120f65d28 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:837 [inline]
ffff888120f65d28 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x27c/0x6d0 fs/namei.c:4383
#2: ffff888142580de8 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#2: ffff888142580de8 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xd3/0x900 fs/namei.c:4321
#3: ffff8881131ec988 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d6/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-executor.4/2513:
#0: ffff8881151c4348 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
#1: ffff8881322c4958 (&type->i_mutex_dir_key
#3){++++}-{3:3}
, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
#2: ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2291 [inline]
#2: ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x463/0x5f0 fs/readdir.c:109
#3: ffff8881131ec988
(jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d6/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-executor.5/2514:
#0: ffff8881133fed48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1064
#1: ffff888142624958 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe4/0x5f0 fs/readdir.c:99
#2:
ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2291 [inline]
ffff8881131e83e8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x463/0x5f0 fs/readdir.c:109
#3: ffff8881131ec988 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d6/0x15e0 fs/jbd2/transaction.c:463
3 locks held by kworker/1:7/5578:
#0: ffff888109a71d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1:
ffffc90004d7fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff888106311190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff888106311190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
2 locks held by kworker/0:9/5838:
#0: ffff888100072938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc9000d6e7d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
5 locks held by kworker/1:11/21554:
#0: ffff888109a71d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc9000f22fd80
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff8881063dd190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff8881063dd190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
#3: ffff888118eb6190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#3: ffff888118eb6190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#4: ffff88810ae79a78 (&(&priv->bus_notifier)->rwsem){++++}-{3:3}, at: blocking_notifier_call_chain kernel/notifier.c:387 [inline]
#4: ffff88810ae79a78 (&(&priv->bus_notifier)->rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x53/0x90 kernel/notifier.c:376
6 locks held by kworker/0:3/23881:
#0: ffff888109a71d38 (
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc9000f067d80 ((work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff888105fa6190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff888105fa6190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
#3: ffff888118eb7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#3: ffff888118eb7190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x890 drivers/usb/core/hub.c:2243
#4: ffff8881195ba160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#4: ffff8881195ba160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff8881195ba160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#5: ffff888140949a20
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
(&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
(&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
3 locks held by kworker/1:0/24785:
#0: ffff888109a71d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90001ac7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff8881063b6190 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:992 [inline]
, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
4 locks held by udevd/27745:
#0: ffff88810c3dc2f0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
#1: ffff888111ac0488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4b/0x460 fs/kernfs/file.c:154
#2: ffff8881128b4008 (
kn->active#18
){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x460 fs/kernfs/file.c:155
#3: ffff888118eb6190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline]
#3: ffff888118eb6190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
1 lock held by udevd/27767:
#0: ffffffff87eb80f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#0: ffffffff87eb80f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x69e/0x7e0 kernel/rcu/tree_exp.h:992
=============================================
keytouch 0003:0926:3333.0132: can't resubmit intr, dummy_hcd.0-1/input0, status -19
usb 4-1: new high-speed USB device number 113 using dummy_hcd
usb 4-1: Using ep0 maxpacket: 32
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x2 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0
usb 4-1: config 0 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 5
usb 4-1: New USB device found, idVendor=1b96, idProduct=000a, bcdDevice= 0.00
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
ntrig 0003:1B96:000A.0133: hidraw0: USB HID v0.00 Device [HID 1b96:000a] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 113
usb 3-1: ath9k_htc: invalid pkt_len (f904)
usb 6-1: new high-speed USB device number 83 using dummy_hcd
usb 6-1: Using ep0 maxpacket: 8
usb 6-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping
usb 6-1: New USB device found, idVendor=093a, idProduct=2621, bcdDevice=51.a7
usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 6-1: Product: syz
usb 6-1: Manufacturer: syz
usb 6-1: SerialNumber: syz
usb 6-1: config 0 descriptor??
gspca_main: gspca_pac7302-2.14.0 probing 093a:2621
gspca_pac7302: reg_w() failed i: ff v: 01 error -71
gspca_pac7302: probe of 6-1:0.0 failed with error -71
usb 6-1: USB disconnect, device number 83
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.
m920x_read = error: -19
dvb-usb: error while querying for an remote control event.