rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
0-...D
} 2666 jiffies s: 19941 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
NMI backtrace for cpu 0
CPU: 0 PID: 2484 Comm: syz-executor.4 Not tainted 6.4.0-rc4-syzkaller-00143-g046895105d96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:476
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 b5 52 19 ff eb a4 e8 0e 53 19 ff eb e1 66
RSP: 0018:ffffc90000006ea0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff827b5805 RDI: ffffffff8bf0ff40
RBP: ffffffff8bf0ff00 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 205d313232353154 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8bf101b8 R15: ffffffff8bf0ff50
FS: 0000555556477400(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44e7d325e8 CR3: 0000000139796000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_out drivers/tty/serial/8250/8250.h:123 [inline]
serial8250_clear_IER+0x98/0xb0 drivers/tty/serial/8250/8250_port.c:772
serial8250_console_write+0x1ca/0x1010 drivers/tty/serial/8250/8250_port.c:3424
console_emit_next_record kernel/printk/printk.c:2877 [inline]
console_flush_all+0x49c/0xcc0 kernel/printk/printk.c:2933
console_unlock+0xb8/0x1f0 kernel/printk/printk.c:3007
vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2307
vprintk+0x84/0xa0 kernel/printk/printk_safe.c:50
_printk+0xbf/0xf0 kernel/printk/printk.c:2328
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x208/0x390 arch/x86/kernel/dumpstack.c:285
sched_show_task kernel/sched/core.c:9135 [inline]
sched_show_task+0x3e6/0x5f0 kernel/sched/core.c:9109
show_state_filter+0xf4/0x320 kernel/sched/core.c:9180
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xe5/0x140 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xce1/0x17b0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x3b9/0x4c0 drivers/input/input.c:132
input_pass_values.part.0+0x230/0x760 drivers/input/input.c:161
input_pass_values drivers/input/input.c:150 [inline]
input_event_dispose+0x537/0x730 drivers/input/input.c:387
input_handle_event+0x120/0xe70 drivers/input/input.c:404
input_event drivers/input/input.c:433 [inline]
input_event+0x83/0xa0 drivers/input/input.c:425
hidinput_hid_event+0x955/0x2060 drivers/hid/hid-input.c:1711
hid_process_event+0x491/0x5c0 drivers/hid/hid-core.c:1534
hid_input_array_field+0x4d7/0x660 drivers/hid/hid-core.c:1646
hid_process_report drivers/hid/hid-core.c:1688 [inline]
hid_report_raw_event+0xa74/0x1220 drivers/hid/hid-core.c:2009
hid_input_report+0x341/0x440 drivers/hid/hid-core.c:2083
hid_irq_in+0x35d/0x850 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x13b6/0x3400 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1c1/0x8e8 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu kernel/softirq.c:650 [inline]
irq_exit_rcu+0x11b/0x190 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3c/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 36 40 fe fa 48 89 ef e8 5e ae fe fa 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 2f 6d f3 fa 65 8b 05 40 e9 d4 79 85 c0 74 0a 5b 5d c3 e8 ec fc
RSP: 0018:ffffc900017c7c78 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff120f9d1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff888114809460 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff120feba R11: 0000000000000001 R12: 0000000000000000
R13: ffff888113ea9d00 R14: 0000000000000000 R15: ffff888113eaa2a0
do_wait+0x66c/0xc30 kernel/exit.c:1639
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f20aa100d06
Code: 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24
RSP: 002b:00007ffc5e55c058 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000eb0 RCX: 00007f20aa100d06
RDX: 0000000040000001 RSI: 00007ffc5e55c0bc RDI: 00000000ffffffff
RBP: 00007ffc5e55c0bc R08: 0000000000000b0c R09: 00007ffc5e5f1080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000002b1f9f R14: 0000000000000000 R15: 00007ffc5e55c120
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x403ace
RSP: 002b:000000c000bcdd08 EFLAGS: 00000202
ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000403ace
RDX: 000000c000bcde18 RSI: 00000000000046b9 RDI: 0000000000000001
RBP: 000000c000bcdd48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000bcde60
R13: 0000000000000000 R14: 000000c0000a9d40 R15: 000000c001782800
task:syz-fuzzer state:S
stack:29832 pid:2468 ppid:2448 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_waitid+0x275/0x370 kernel/exit.c:1701
__do_sys_waitid+0x1f4/0x230 kernel/exit.c:1714
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x403ace
RSP: 002b:000000c000059508 EFLAGS: 00000202
ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000403ace
RDX: 000000c000059618 RSI: 00000000000009a2 RDI: 0000000000000001
RBP: 000000c000059548 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000059660
R13: 0000000000000000 R14: 000000c0004ed860 R15: 0000000000000010
task:syz-fuzzer state:S
stack:25264 pid:2469 ppid:2448 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_waitid+0x275/0x370 kernel/exit.c:1701
__do_sys_waitid+0x1f4/0x230 kernel/exit.c:1714
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x403ace
RSP: 002b:000000c0010d5508 EFLAGS: 00000202
ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000403ace
RDX: 000000c0010d5618 RSI: 0000000000006666 RDI: 0000000000000001
RBP: 000000c0010d5548 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0010d5660
R13: 0000000000000000 R14: 000000c00ba6d1e0 R15: 000000c00036d800
task:syz-fuzzer state:S stack:25544 pid:2471 ppid:2448 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
futex_wait_queue+0xf9/0x1f0 kernel/futex/waitwake.c:355
futex_wait+0x292/0x680 kernel/futex/waitwake.c:656
do_futex+0x2e8/0x360 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+0x1ca/0x4d0 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x46b583
RSP: 002b:000000c0007d3d90 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046b583
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c00036dd48
RBP: 000000c0007d3dd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c0007d3de8
R13: 0000000000000000 R14: 000000c000e901a0 R15: 0000000000000001
task:syz-fuzzer state:S stack:25472 pid:5411 ppid:2448 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
futex_wait_queue+0xf9/0x1f0 kernel/futex/waitwake.c:355
futex_wait+0x292/0x680 kernel/futex/waitwake.c:656
do_futex+0x2e8/0x360 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+0x1ca/0x4d0 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x46b583
RSP: 002b:000000c000af7ed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046b583
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c00b529548
RBP: 000000c000af7f18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00000000004412e0
R13: 0000000000000000 R14: 000000c00ba6c000 R15: 000000000000a000
task:syz-executor.3 state:S
stack:27800 pid:2462 ppid:2454 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f77d8642d06
RSP: 002b:00007ffc54eef1a8 EFLAGS: 00000246
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000009a8 RCX: 00007f77d8642d06
RDX: 0000000040000000 RSI: 00007ffc54eef1bc RDI: 00000000ffffffff
RBP: 00007ffc54eef1bc R08: 0000000000000000 R09: 00005555562be400
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffc54eef2b0 R14: 00007f77d87659d8 R15: 000000000000000c
task:syz-executor.1 state:S stack:27800 pid:2464 ppid:2463 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5cf09afd06
RSP: 002b:00007ffe49402da8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000009ad RCX: 00007f5cf09afd06
RDX: 0000000040000000 RSI: 00007ffe49402dbc RDI: 00000000ffffffff
RBP: 00007ffe49402dbc R08: 0000000000000000 R09: 000055555567c400
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffe49402eb0 R14: 00007f5cf0ad29d8 R15: 000000000000000c
task:syz-executor.5 state:S stack:27560 pid:2465 ppid:2450 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f559a737d06
RSP: 002b:00007fffa348bb08 EFLAGS: 00000246
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000009ab RCX: 00007f559a737d06
RDX: 0000000040000000 RSI: 00007fffa348bb1c RDI: 00000000ffffffff
RBP: 00007fffa348bb1c R08: 0000000000000000 R09: 0000555556203400
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fffa348bc10 R14: 00007f559a85a9d8 R15: 000000000000000c
task:syz-executor.4 state:S stack:27800 pid:2466 ppid:2454 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f20aa100d06
RSP: 002b:00007ffc5e55c258 EFLAGS: 00000246
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000009b4 RCX: 00007f20aa100d06
RDX: 0000000040000000 RSI: 00007ffc5e55c26c RDI: 00000000ffffffff
RBP: 00007ffc5e55c26c R08: 0000000000000000 R09: 0000555556477400
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffc5e55c360 R14: 00007f20aa2239d8 R15: 000000000000000c
task:syz-executor.3 state:S stack:22888 pid:2472 ppid:2462 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f77d8642d06
RSP: 002b:00007ffc54eeefa8 EFLAGS: 00000246
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000f26 RCX: 00007f77d8642d06
RDX: 0000000040000000 RSI: 00007ffc54eef00c RDI: 00000000ffffffff
RBP: 00007ffc54eef00c R08: 0000000000090800 R09: 00007f77d869fd80
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000002b2da9 R14: 0000000000000007 R15: 00007ffc54eef070
task:syz-executor.5 state:S stack:25208 pid:2475 ppid:2465 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_nanosleep+0x154/0x4f0 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x19b/0x430 kernel/time/hrtimer.c:2097
common_nsleep+0xa6/0xd0 kernel/time/posix-timers.c:1240
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1281 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1258 [inline]
__x64_sys_clock_nanosleep+0x32e/0x480 kernel/time/posix-timers.c:1258
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f559a75ee3a
RSP: 002b:00007fffa348b8a0 EFLAGS: 00000246
ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000f7a RCX: 00007f559a75ee3a
RDX: 00007fffa348b8e0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fffa348b96c R08: 0000000000000b0c R09: 00007fffa34aa080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000002b26cd R14: 0000000000000005 R15: 00007fffa348b9d0
task:syz-executor.1 state:S stack:24896 pid:2477 ppid:2464 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
pipe_read+0xa60/0x1000 fs/pipe.c:379
call_read_iter include/linux/fs.h:1862 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x778/0x8a0 fs/read_write.c:470
ksys_read+0x1ec/0x250 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5cf0963f4e
RSP: 002b:00007ffe49402ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffe49402c30 RCX: 00007f5cf0963f4e
RDX: 0000000000000040 RSI: 00007f5cf0ace020 RDI: 00000000000000f9
RBP: 0000000000000003 R08: 0000000000000000 R09: ffffffffff000000
R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000061
R13: 00000000002b420d R14: 0000000000000000 R15: 00007ffe49402c70
task:syz-executor.4 state:R
running task stack:24520 pid:2484 ppid:2466 flags:0x0000000a
Call Trace:
sched_show_task kernel/sched/core.c:9135 [inline]
sched_show_task+0x3e6/0x5f0 kernel/sched/core.c:9109
show_state_filter+0xf4/0x320 kernel/sched/core.c:9180
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xe5/0x140 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xce1/0x17b0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x3b9/0x4c0 drivers/input/input.c:132
input_pass_values.part.0+0x230/0x760 drivers/input/input.c:161
input_pass_values drivers/input/input.c:150 [inline]
input_event_dispose+0x537/0x730 drivers/input/input.c:387
input_handle_event+0x120/0xe70 drivers/input/input.c:404
input_event drivers/input/input.c:433 [inline]
input_event+0x83/0xa0 drivers/input/input.c:425
hidinput_hid_event+0x955/0x2060 drivers/hid/hid-input.c:1711
hid_process_event+0x491/0x5c0 drivers/hid/hid-core.c:1534
hid_input_array_field+0x4d7/0x660 drivers/hid/hid-core.c:1646
hid_process_report drivers/hid/hid-core.c:1688 [inline]
hid_report_raw_event+0xa74/0x1220 drivers/hid/hid-core.c:2009
hid_input_report+0x341/0x440 drivers/hid/hid-core.c:2083
hid_irq_in+0x35d/0x850 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x13b6/0x3400 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1c1/0x8e8 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu kernel/softirq.c:650 [inline]
irq_exit_rcu+0x11b/0x190 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3c/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 36 40 fe fa 48 89 ef e8 5e ae fe fa 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 2f 6d f3 fa 65 8b 05 40 e9 d4 79 85 c0 74 0a 5b 5d c3 e8 ec fc
RSP: 0018:ffffc900017c7c78 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff120f9d1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff888114809460 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff120feba R11: 0000000000000001 R12: 0000000000000000
R13: ffff888113ea9d00 R14: 0000000000000000 R15: ffff888113eaa2a0
do_wait+0x66c/0xc30 kernel/exit.c:1639
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f20aa100d06
Code: 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24
RSP: 002b:00007ffc5e55c058 EFLAGS: 00000246
ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000eb0 RCX: 00007f20aa100d06
RDX: 0000000040000001 RSI: 00007ffc5e55c0bc RDI: 00000000ffffffff
RBP: 00007ffc5e55c0bc R08: 0000000000000b0c R09: 00007ffc5e5f1080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000002b1f9f R14: 0000000000000000 R15: 00007ffc5e55c120
task:kworker/0:5 state:I
stack:21224 pid:5326 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/1:5 state:I
stack:19160 pid:5340 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/0:7 state:R running task stack:19232 pid:5657 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/0:8 state:I
stack:21616 pid:5658 ppid:2 flags:0x00004000
Workqueue: 0x0
(rcu_gp)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/1:7 state:D stack:22680 pid:5806 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
task:kworker/1:8 state:D
stack:21680 pid:10539 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
synchronize_rcu_expedited+0x5d4/0x770 kernel/rcu/tree_exp.h:1007
synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3499
synchronize_net+0x4e/0x60 net/core/dev.c:10791
netif_napi_del include/linux/netdevice.h:2688 [inline]
lan78xx_probe+0xd58/0x40d0 drivers/net/usb/lan78xx.c:4475
usb_probe_interface+0x30f/0x960 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x240/0xca0 drivers/base/dd.c:658
__driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958
bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x112d/0x1a40 drivers/base/core.c:3625
usb_set_configuration+0x1196/0x1bc0 drivers/usb/core/message.c:2211
usb_generic_driver_probe+0xcf/0x130 drivers/usb/core/generic.c:238
usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x240/0xca0 drivers/base/dd.c:658
__driver_probe_device+0x1df/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:958
bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e4/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x112d/0x1a40 drivers/base/core.c:3625
usb_new_device+0xcb2/0x19d0 drivers/usb/core/hub.c:2575
hub_port_connect drivers/usb/core/hub.c:5407 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
port_event drivers/usb/core/hub.c:5711 [inline]
hub_event+0x2e3d/0x4ed0 drivers/usb/core/hub.c:5793
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/0:2 state:I
stack:22552 pid:11965 ppid:2 flags:0x00004000
Workqueue: 0x0
(events)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/u4:2 state:D stack:26608 pid:14304 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
__synchronize_srcu+0x1be/0x2c0 kernel/rcu/srcutree.c:1360
fsnotify_connector_destroy_workfn+0x4d/0xa0 fs/notify/mark.c:208
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:kworker/1:6 state:R
running task stack:22296 pid:15221 ppid:2 flags:0x00004000
Workqueue: events dvb_usb_read_remote_control
Call Trace:
task:kworker/0:0 state:I
stack:22136 pid:15483 ppid:2 flags:0x00004000
Workqueue: 0x0 (events_power_efficient)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
worker_thread+0x160/0x10c0 kernel/workqueue.c:2573
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
task:syz-executor.2 state:S
stack:27488 pid:18105 ppid:2467 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
do_wait+0x6fc/0xc30 kernel/exit.c:1633
kernel_wait4+0x150/0x260 kernel/exit.c:1777
__do_sys_wait4+0x13f/0x150 kernel/exit.c:1805
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe60bc00d06
RSP: 002b:00007ffc17010bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000046bb RCX: 00007fe60bc00d06
RDX: 0000000040000000 RSI: 00007ffc17010bcc RDI: 00000000ffffffff
RBP: 00007ffc17010bcc R08: 0000000000000000 R09: 0000555556931400
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffc17010cc0 R14: 00007fe60bd239d8 R15: 000000000000000c
task:syz-executor.2 state:S
stack:25208 pid:18107 ppid:18105 flags:0x00000000