rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D
} 2655 jiffies s: 11473 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000042500
R13: 2222203333e2f222 R14: 000000c000007040 R15: 00000000000000ca
NMI backtrace for cpu 1
CPU: 1 PID: 4753 Comm: udevd Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:number+0x9ab/0xb80 lib/vsprintf.c:511
Code: 44 24 34 2d e9 51 f8 ff ff 4c 8b 64 24 10 e9 c0 fa ff ff e8 27 41 fe fa 48 8b 2c 24 4c 89 e6 48 89 ef e8 98 f5 ff ff 48 29 e8 <89> c5 83 e8 01 89 44 24 28 e9 44 fb ff ff 4c 8b 64 24 10 e8 fd 40
RSP: 0018:ffffc90000197970 EFLAGS: 00000002
RAX: 0000000000000004 RBX: ffffc90000197d51 RCX: ffffc90001203000
RDX: 0000000000040000 RSI: ffffffff864f96ab RDI: 0000000000000005
RBP: ffffc90000197a00 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000013 R11: 00000000003c1e98 R12: 00000000000007bf
R13: 000000000000000a R14: ffffc90080197d4f R15: 0000000000000000
FS: 00007f6402173c80(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ec26000 CR3: 0000000119dfe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0x905/0x1870 lib/vsprintf.c:2890
sprintf+0xcd/0x100 lib/vsprintf.c:3028
print_time kernel/printk/printk.c:1324 [inline]
info_print_prefix+0x258/0x350 kernel/printk/printk.c:1350
record_print_text+0x143/0x410 kernel/printk/printk.c:1399
printk_get_next_message+0x2ce/0x7c0 kernel/printk/printk.c:2828
console_emit_next_record kernel/printk/printk.c:2868 [inline]
console_flush_all+0x3b3/0xd60 kernel/printk/printk.c:2967
console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2328
show_trace_log_lvl+0x349/0x4f0 arch/x86/kernel/dumpstack.c:305
sched_show_task kernel/sched/core.c:9171 [inline]
sched_show_task+0x42e/0x650 kernel/sched/core.c:9145
show_state_filter+0xee/0x310 kernel/sched/core.c:9216
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+0x5c9/0x840 drivers/input/input.c:161
input_event_dispose+0x505/0x630 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:1731
hid_process_event+0x4b1/0x5e0 drivers/hid/hid-core.c:1541
hid_input_array_field+0x53c/0x710 drivers/hid/hid-core.c:1653
hid_process_report drivers/hid/hid-core.c:1695 [inline]
hid_report_raw_event+0xa12/0x11e0 drivers/hid/hid-core.c:2016
hid_input_report+0x342/0x440 drivers/hid/hid-core.c:2090
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1648
usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1731
dummy_timer+0x1415/0x3600 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x193/0x590 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x759/0xaa0 kernel/time/timer.c:2038
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051
__do_softirq+0x20a/0x8c1 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:24
Code: 89 de 4c 89 f7 41 ff d5 31 ff 89 c3 89 c6 e8 17 13 41 00 84 db 74 20 e8 de 17 41 00 4c 89 e7 e8 e6 f6 06 00 8b 9d 70 ff ff ff <31> ff 89 de e8 37 13 41 00 85 db 75 a4 e8 be 17 41 00 48 8b 45 d0
RSP: 0018:ffffc900023cf970 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8113d734
RDX: ffff888116415700 RSI: ffffffff8113c531 RDI: 0000000000000005
RBP: ffffc900023cfa08 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffc900023cf978
R13: ffffffff813b6000 R14: ffffc900023cfa38 R15: ffff888116415700
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:314 [inline]
__kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:340
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc+0x131/0x2e0 mm/slub.c:3867
getname_flags.part.0+0x50/0x4e0 fs/namei.c:140
getname_flags include/linux/audit.h:322 [inline]
getname+0x90/0xe0 fs/namei.c:219
do_sys_openat2+0x100/0x1e0 fs/open.c:1398
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1430
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f640229e9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fffab00a160 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005555b7d77930 RCX: 00007f640229e9a4
RDX: 0000000000080000 RSI: 00007fffab00a278 RDI: 00000000ffffff9c
RBP: 00007fffab00a278 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005555b7d77a20 R14: 00007fffab00a278 R15: 00005555b63cded5
task:syz-fuzzer state:S stack:28112 pid:2493 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c000deb6d0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002479ba0
RBP: 000000c000deb718 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046e720
R13: 000000c000dee400 R14: 000000c0004c6b60 R15: 000000000000000c
task:syz-fuzzer state:S stack:30176 pid:2494 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c000595ef0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002479a18
RBP: 000000c000595f38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046e720
R13: 000000c000dee000 R14: 000000c0004c6820 R15: 0000000000000005
task:syz-fuzzer state:S stack:23888 pid:2495 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c000591d88 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000dee548
RBP: 000000c000591dd0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000040000
R13: 00000000000000c2 R14: 000000c0004c7380 R15: 00000000000000c3
task:syz-fuzzer state:S stack:24960 pid:2496 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c000725d70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000558d48
RBP: 000000c000725db8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000040000
R13: ffffffffffffffff R14: 000000c000007ba0 R15: 0000000000000000
task:syz-fuzzer state:S stack:25168 pid:2504 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x211/0x440 kernel/time/hrtimer.c:2311
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
do_compat_epoll_pwait.part.0+0x26/0x1d0 fs/eventpoll.c:2351
do_epoll_pwait fs/eventpoll.c:2358 [inline]
__do_sys_epoll_pwait fs/eventpoll.c:2364 [inline]
__se_sys_epoll_pwait fs/eventpoll.c:2358 [inline]
__x64_sys_epoll_pwait+0x20c/0x320 fs/eventpoll.c:2358
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x40720e
RSP: 002b:000000c0009e3750 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000040720e
RDX: 0000000000000080 RSI: 000000c0009e3820 RDI: 0000000000000004
RBP: 000000c0009e3798 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000113 R11: 0000000000000246 R12: 000000c0009e3828
R13: 000b25b2cb2cb07b R14: 000000c0001229c0 R15: 000000000000005e
task:syz-fuzzer state:S stack:24912 pid:2506 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c0067a7d70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c0001d8148
RBP: 000000c0067a7db8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000040000
R13: ffffffffffffffff R14: 000000c0000c8340 R15: 0000000000000000
task:syz-fuzzer state:S stack:24912 pid:2507 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c0067a3d88 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000174d48
RBP: 000000c0067a3dd0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00000000000003c1
R13: 0000000000000002 R14: 000000c000792820 R15: 0000000000000003
task:syz-fuzzer state:S stack:24912 pid:4772 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c006cd7d78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000175d48
RBP: 000000c006cd7dc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000042500
R13: 0333333333eff5fb R14: 000000c000792b60 R15: 000000000000003f
task:syz-fuzzer state:S stack:24912 pid:4888 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c007289ed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000558948
RBP: 000000c007289f18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00000000004457e0
R13: 000000000000007c R14: 000000c0007931e0 R15: 000000000000007d
task:syz-fuzzer state:S stack:25232 pid:8360 tgid:2488 ppid:2486 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
futex_wait_queue+0xfe/0x1f0 kernel/futex/waitwake.c:370
__futex_wait+0x292/0x3c0 kernel/futex/waitwake.c:669
futex_wait+0xea/0x380 kernel/futex/waitwake.c:697
do_futex+0x227/0x350 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+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x472463
RSP: 002b:000000c0009dfd70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472463
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000defd48
RBP: 000000c0009dfdb8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000042500
R13: 0000000000000002 R14: 000000c0000c8b60 R15: 0000000000000003
task:kworker/1:2 state:I stack:21920 pid:2498 tgid:2498 ppid:2 flags:0x00004000
Workqueue: 0x0 (usb_hub_wq)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:syz-executor.1 state:D stack:25008 pid:2509 tgid:2509 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline]
synchronize_rcu_expedited+0x788/0x800 kernel/rcu/tree_exp.h:995
namespace_unlock+0x1b1/0x490 fs/namespace.c:1573
drop_collected_mounts fs/namespace.c:2078 [inline]
put_mnt_ns fs/namespace.c:5201 [inline]
put_mnt_ns+0x10a/0x150 fs/namespace.c:5197
free_nsproxy+0x47/0x4d0 kernel/nsproxy.c:193
put_nsproxy include/linux/nsproxy.h:107 [inline]
switch_task_namespaces+0xe0/0x110 kernel/nsproxy.c:251
do_exit+0xa85/0x2a50 kernel/exit.c:870
do_group_exit+0xd4/0x2a0 kernel/exit.c:1020
get_signal+0x23b5/0x2790 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x144/0x250 kernel/entry/common.c:212
do_syscall_64+0xe0/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f7779f3d173
RSP: 002b:00007ffdab729d78 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 000000000000070d RCX: 00007f7779f3d173
RDX: 00007ffdab729d90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffdab729e1c R08: 00000000000007a5 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000001dd759 R14: 00000000001dd74a R15: 0000000000000001
task:syz-executor.3 state:D stack:25040 pid:2512 tgid:2512 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline]
synchronize_rcu_expedited+0x788/0x800 kernel/rcu/tree_exp.h:995
namespace_unlock+0x1b1/0x490 fs/namespace.c:1573
drop_collected_mounts fs/namespace.c:2078 [inline]
put_mnt_ns fs/namespace.c:5201 [inline]
put_mnt_ns+0x10a/0x150 fs/namespace.c:5197
free_nsproxy+0x47/0x4d0 kernel/nsproxy.c:193
put_nsproxy include/linux/nsproxy.h:107 [inline]
switch_task_namespaces+0xe0/0x110 kernel/nsproxy.c:251
do_exit+0xa85/0x2a50 kernel/exit.c:870
do_group_exit+0xd4/0x2a0 kernel/exit.c:1020
get_signal+0x23b5/0x2790 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x144/0x250 kernel/entry/common.c:212
do_syscall_64+0xe0/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4e53d3e173
RSP: 002b:00007fff2ceca608 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 0000000000000763 RCX: 00007f4e53d3e173
RDX: 00007fff2ceca620 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff2ceca6ac R08: 00000000000007a5 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000001dd13b R14: 00000000001dd13b R15: 0000000000000000
task:udevd state:S stack:27552 pid:4746 tgid:4746 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d71790 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d77930
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:S stack:27696 pid:4751 tgid:4751 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d7cd20 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d62130
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:R running task stack:25456 pid:4753 tgid:4753 ppid:2392 flags:0x00000008
Call Trace:
sched_show_task kernel/sched/core.c:9171 [inline]
sched_show_task+0x42e/0x650 kernel/sched/core.c:9145
show_state_filter+0xee/0x310 kernel/sched/core.c:9216
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+0x5c9/0x840 drivers/input/input.c:161
input_event_dispose+0x505/0x630 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:1731
hid_process_event+0x4b1/0x5e0 drivers/hid/hid-core.c:1541
hid_input_array_field+0x53c/0x710 drivers/hid/hid-core.c:1653
hid_process_report drivers/hid/hid-core.c:1695 [inline]
hid_report_raw_event+0xa12/0x11e0 drivers/hid/hid-core.c:2016
hid_input_report+0x342/0x440 drivers/hid/hid-core.c:2090
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1648
usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1731
dummy_timer+0x1415/0x3600 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x193/0x590 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x759/0xaa0 kernel/time/timer.c:2038
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051
__do_softirq+0x20a/0x8c1 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+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:24
Code: 89 de 4c 89 f7 41 ff d5 31 ff 89 c3 89 c6 e8 17 13 41 00 84 db 74 20 e8 de 17 41 00 4c 89 e7 e8 e6 f6 06 00 8b 9d 70 ff ff ff <31> ff 89 de e8 37 13 41 00 85 db 75 a4 e8 be 17 41 00 48 8b 45 d0
RSP: 0018:ffffc900023cf970 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8113d734
RDX: ffff888116415700 RSI: ffffffff8113c531 RDI: 0000000000000005
RBP: ffffc900023cfa08 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffc900023cf978
R13: ffffffff813b6000 R14: ffffc900023cfa38 R15: ffff888116415700
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:314 [inline]
__kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:340
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc+0x131/0x2e0 mm/slub.c:3867
getname_flags.part.0+0x50/0x4e0 fs/namei.c:140
getname_flags include/linux/audit.h:322 [inline]
getname+0x90/0xe0 fs/namei.c:219
do_sys_openat2+0x100/0x1e0 fs/open.c:1398
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1430
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f640229e9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fffab00a160 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005555b7d77930 RCX: 00007f640229e9a4
RDX: 0000000000080000 RSI: 00007fffab00a278 RDI: 00000000ffffff9c
RBP: 00007fffab00a278 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005555b7d77a20 R14: 00007fffab00a278 R15: 00005555b63cded5
task:kworker/1:3 state:D stack:22384 pid:4784 tgid:4784 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x137/0x290 kernel/time/timer.c:2183
schedule_timeout_uninterruptible kernel/time/timer.c:2217 [inline]
msleep+0xa1/0xe0 kernel/time/timer.c:2338
hub_port_wait_reset drivers/usb/core/hub.c:2911 [inline]
hub_port_reset+0xaf3/0x1e50 drivers/usb/core/hub.c:3039
hub_port_init+0x1f9/0x3a50 drivers/usb/core/hub.c:4885
hub_port_connect drivers/usb/core/hub.c:5441 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
port_event drivers/usb/core/hub.c:5812 [inline]
hub_event+0x2c20/0x4f40 drivers/usb/core/hub.c:5894
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:udevd state:S stack:27200 pid:4785 tgid:4785 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d6bf10 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d7b4b0
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:S stack:26736 pid:4795 tgid:4795 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d7b460 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d77f80
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:S stack:26544 pid:4799 tgid:4799 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d6bf10 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d80510
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:kworker/0:4 state:I stack:22816 pid:4838 tgid:4838 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:udevd state:S stack:27552 pid:4905 tgid:4905 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7da6420 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7dc3a60
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:kworker/0:6 state:D stack:22464 pid:5578 tgid:5578 ppid:2 flags:0x00004000
Workqueue: rcu_gp wait_rcu_exp_gp
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x137/0x290 kernel/time/timer.c:2183
synchronize_rcu_expedited_wait_once kernel/rcu/tree_exp.h:571 [inline]
synchronize_rcu_expedited_wait kernel/rcu/tree_exp.h:625 [inline]
rcu_exp_wait_wake+0x8ac/0x15e0 kernel/rcu/tree_exp.h:696
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:kworker/1:7 state:D stack:22272 pid:5709 tgid:5709 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x137/0x290 kernel/time/timer.c:2183
schedule_timeout_uninterruptible kernel/time/timer.c:2217 [inline]
msleep+0xa1/0xe0 kernel/time/timer.c:2338
hub_port_reset+0x497/0x1e50 drivers/usb/core/hub.c:3111
hub_port_init+0x737/0x3a50 drivers/usb/core/hub.c:5002
hub_port_connect drivers/usb/core/hub.c:5441 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
port_event drivers/usb/core/hub.c:5812 [inline]
hub_event+0x2c20/0x4f40 drivers/usb/core/hub.c:5894
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:udevd state:S stack:25456 pid:6981 tgid:6981 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
device_lock_interruptible include/linux/device.h:995 [inline]
manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
dev_attr_show+0x4f/0xd0 drivers/base/core.c:2364
sysfs_kf_seq_show+0x23e/0x400 fs/sysfs/file.c:59
seq_read_iter+0x4e5/0x1280 fs/seq_file.c:230
kernfs_fop_read_iter+0x410/0x580 fs/kernfs/file.c:279
call_read_iter include/linux/fs.h:2081 [inline]
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x6bb/0xb70 fs/read_write.c:476
ksys_read+0x12f/0x250 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f640229eb6a
RSP: 002b:00007fffab00aaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005555b7d7e3b0 RCX: 00007f640229eb6a
RDX: 0000000000001000 RSI: 00007fffab00af48 RDI: 0000000000000008
RBP: 00005555b63ce77b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00005555b7d7e4a0 R14: 00007fffab00af48 R15: 00005555b7d7c980
task:kworker/1:5 state:I stack:22688 pid:9693 tgid:9693 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:syz-executor.2 state:D stack:24688 pid:10307 tgid:10307 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
io_schedule+0xbe/0x130 kernel/sched/core.c:9023
bit_wait_io+0x16/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xdb/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x8e2/0x1230 fs/jbd2/transaction.c:1111
jbd2_journal_get_write_access+0x1f5/0x2a0 fs/jbd2/transaction.c:1260
__ext4_journal_get_write_access+0x6a/0x3b0 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5731
__ext4_mark_inode_dirty+0x196/0x810 fs/ext4/inode.c:5905
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5942
__mark_inode_dirty+0x1e0/0xd60 fs/fs-writeback.c:2452
generic_update_time+0xcf/0xf0 fs/inode.c:1905
inode_update_time fs/inode.c:1918 [inline]
touch_atime+0x4eb/0x5d0 fs/inode.c:1990
file_accessed include/linux/fs.h:2436 [inline]
iterate_dir+0x437/0x5b0 fs/readdir.c:113
__do_sys_getdents64 fs/readdir.c:409 [inline]
__se_sys_getdents64 fs/readdir.c:394 [inline]
__x64_sys_getdents64+0x14f/0x2e0 fs/readdir.c:394
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f13fca512a3
RSP: 002b:00007ffe6f4e9318 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555557279810 RCX: 00007f13fca512a3
RDX: 0000000000008000 RSI: 0000555557279810 RDI: 0000000000000003
RBP: 00005555572797e4 R08: 00000000000007a8 R09: 0000000000000001
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb0
R13: 0000000000000016 R14: 00005555572797e0 R15: 0000000000000000
task:kworker/u4:1 state:I stack:27184 pid:10612 tgid:10612 ppid:2 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:kworker/0:5 state:D stack:22464 pid:11964 tgid:11964 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:995
synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3602
kbd_disconnect+0x1d/0x30 drivers/tty/vt/keyboard.c:1609
__input_unregister_device+0x1cf/0x450 drivers/input/input.c:2222
input_unregister_device+0xb9/0x100 drivers/input/input.c:2440
rc_free_rx_device drivers/media/rc/rc-main.c:1884 [inline]
rc_unregister_device+0x180/0x410 drivers/media/rc/rc-main.c:2033
mceusb_dev_disconnect+0x107/0x2a0 drivers/media/rc/mceusb.c:1856
usb_unbind_interface+0x1e5/0x960 drivers/usb/core/driver.c:461
device_remove drivers/base/dd.c:569 [inline]
device_remove+0x11f/0x170 drivers/base/dd.c:561
__device_release_driver drivers/base/dd.c:1272 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
bus_remove_device+0x22c/0x420 drivers/base/bus.c:574
device_del+0x39a/0xa50 drivers/base/core.c:3828
usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418
usb_disconnect+0x2e1/0x910 drivers/usb/core/hub.c:2296
hub_port_connect drivers/usb/core/hub.c:5352 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
port_event drivers/usb/core/hub.c:5812 [inline]
hub_event+0x1be0/0x4f40 drivers/usb/core/hub.c:5894
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:udevd state:S stack:26480 pid:12828 tgid:12828 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d7cd20 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d971b0
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:kworker/1:4 state:I stack:23280 pid:14038 tgid:14038 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:syz-executor.4 state:S stack:25008 pid:14615 tgid:14615 ppid:1 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
do_wait+0x1d6/0x530 kernel/exit.c:1629
kernel_wait4+0x16d/0x280 kernel/exit.c:1783
zap_pid_ns_processes+0x2d5/0x690 kernel/pid_namespace.c:221
find_child_reaper kernel/exit.c:610 [inline]
forget_original_parent kernel/exit.c:699 [inline]
exit_notify kernel/exit.c:736 [inline]
do_exit+0x2318/0x2a50 kernel/exit.c:891
do_group_exit+0xd4/0x2a0 kernel/exit.c:1020
get_signal+0x23b5/0x2790 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x144/0x250 kernel/entry/common.c:212
do_syscall_64+0xe0/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fd4a5894793
RSP: 002b:00007ffe92d0b7d8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000000233 RCX: 00007fd4a5894793
RDX: 0000000040000000 RSI: 00007ffe92d0b83c RDI: 00000000ffffffff
RBP: 00007ffe92d0b83c R08: 00000000000007a8 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 00000000001ddde8 R15: 0000000000000008
task:kworker/u4:0 state:I stack:26672 pid:14878 tgid:14878 ppid:2 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:udevd state:S stack:28560 pid:15766 tgid:15766 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7da6630 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d6fba0
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:S stack:28000 pid:15767 tgid:15767 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7d6bf10 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d92710
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:udevd state:S stack:28400 pid:15768 tgid:15768 ppid:2392 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_hrtimeout_range_clock+0x3c9/0x440 kernel/time/hrtimer.c:2295
ep_poll fs/eventpoll.c:1920 [inline]
do_epoll_wait+0x131c/0x1a00 fs/eventpoll.c:2317
__do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2324
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f64022ab457
RSP: 002b:00007fffab011a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64022ab457
RDX: 0000000000000004 RSI: 00007fffab011a78 RDI: 0000000000000004
RBP: 00005555b7daa440 R08: 0000000000000007 R09: 752d68829e959f23
R10: 00000000ffffffff R11: 0000000000000246 R12: 00005555b7d7e3b0
R13: 00007fffab011a78 R14: 00000000ffffffff R15: 00005555b7d5a910
task:kworker/0:7 state:I stack:29696 pid:16809 tgid:16809 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:kworker/1:6 state:I stack:23552 pid:16960 tgid:16960 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:syz-executor.0 state:D stack:24992 pid:17207 tgid:17207 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
io_schedule+0xbe/0x130 kernel/sched/core.c:9023
bit_wait_io+0x16/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xdb/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x8e2/0x1230 fs/jbd2/transaction.c:1111
jbd2_journal_get_write_access+0x1f5/0x2a0 fs/jbd2/transaction.c:1260
__ext4_journal_get_write_access+0x6a/0x3b0 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5731
__ext4_mark_inode_dirty+0x196/0x810 fs/ext4/inode.c:5905
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5942
__mark_inode_dirty+0x1e0/0xd60 fs/fs-writeback.c:2452
generic_update_time+0xcf/0xf0 fs/inode.c:1905
inode_update_time fs/inode.c:1918 [inline]
touch_atime+0x4eb/0x5d0 fs/inode.c:1990
file_accessed include/linux/fs.h:2436 [inline]
iterate_dir+0x437/0x5b0 fs/readdir.c:113
__do_sys_getdents64 fs/readdir.c:409 [inline]
__se_sys_getdents64 fs/readdir.c:394 [inline]
__x64_sys_getdents64+0x14f/0x2e0 fs/readdir.c:394
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f43c780e2a3
RSP: 002b:00007ffc13ccffb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555557477810 RCX: 00007f43c780e2a3
RDX: 0000000000008000 RSI: 0000555557477810 RDI: 0000000000000003
RBP: 00005555574777e4 R08: 00000000000007a8 R09: 0000000000000001
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb0
R13: 0000000000000016 R14: 00005555574777e0 R15: 0000000000000000
task:kworker/0:3 state:I stack:30184 pid:19325 tgid:19325 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
worker_thread+0x2e1/0x1290 kernel/workqueue.c:2802
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
task:syz-executor.4 state:D stack:28608 pid:19455 tgid:19455 ppid:14615 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
synchronize_rcu_expedited+0x63b/0x800 kernel/rcu/tree_exp.h:1010
synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3602
evdev_detach_client drivers/input/evdev.c:386 [inline]
evdev_release+0x245/0x400 drivers/input/evdev.c:449
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fd4a5896c9a
RSP: 002b:00007ffe92d0b590 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4a5896c9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000032 R08: 0000001b2d620000 R09: 0000000000000000
R10: 0000000086574f8f R11: 0000000000000293 R12: 00007fd4a541a428
R13: ffffffffffffffff R14: 00007fd4a541a000 R15: 00000000001dddef
Showing all locks held in the system:
2 locks held by kworker/0:0H/10:
#0: ffff888101a9d538 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc900000afd80 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
6 locks held by kworker/0:2/44:
#0: ffff8881066a1938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc900002f7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810af89190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810af89190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff888112ae4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff888112ae4190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x910 drivers/usb/core/hub.c:2287
#4: ffff888116c30160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff888116c30160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888116c30160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#5: ffff8881368f9a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#5: ffff8881368f9a20 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#5: ffff8881368f9a20 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
2 locks held by getty/2452:
#0: ffff8881143280a0 (&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+0xfc6/0x1490 drivers/tty/n_tty.c:2201
4 locks held by syz-fuzzer/2491:
#0: ffff888114982fc8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1191
#1: ffff888122aba1b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe4/0x5b0 fs/readdir.c:103
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2436 [inline]
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x437/0x5b0 fs/readdir.c:113
#3: ffff8881143ac950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d9/0x15e0 fs/jbd2/transaction.c:463
5 locks held by udevd/4753:
#0: ffffc90000198ce0 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0x118/0x590 kernel/time/timer.c:1697
#1: ffff88813e7d2230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:434 [inline]
#1: ffff88813e7d2230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:427
#2: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#2: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#2: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0xb2/0x840 drivers/input/input.c:153
#3: ffffffff8834a6f8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#3: ffffffff8834a6f8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17c0 drivers/tty/vt/keyboard.c:1537
#4: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#4: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#4: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
6 locks held by kworker/1:3/4784:
#0: ffff8881066a1938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000244fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810b321190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810b321190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff88810b324508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3198 [inline]
#3: ffff88810b324508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5409 [inline]
#3: ffff88810b324508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
#3: ffff88810b324508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5812 [inline]
#3: ffff88810b324508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x28b4/0x4f40 drivers/usb/core/hub.c:5894
#4: ffff88810973c398 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5410 [inline]
#4: ffff88810973c398 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
#4: ffff88810973c398 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5812 [inline]
#4: ffff88810973c398 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x28da/0x4f40 drivers/usb/core/hub.c:5894
#5: ffffffff888fac50 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1a7/0x1e50 drivers/usb/core/hub.c:3013
2 locks held by kworker/0:6/5578:
#0: ffff88810008a538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000c107d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
6 locks held by kworker/1:7/5709:
#0: ffff8881066a1938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000c1afd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810b301190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810b301190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff88810b304508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3198 [inline]
#3: ffff88810b304508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5409 [inline]
#3: ffff88810b304508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
#3: ffff88810b304508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5812 [inline]
#3: ffff88810b304508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x28b4/0x4f40 drivers/usb/core/hub.c:5894
#4: ffff88810a7a09f8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5410 [inline]
#4: ffff88810a7a09f8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5652 [inline]
#4: ffff88810a7a09f8 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5812 [inline]
#4: ffff88810a7a09f8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x28da/0x4f40 drivers/usb/core/hub.c:5894
#5: ffffffff888fac50 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1a7/0x1e50 drivers/usb/core/hub.c:3013
4 locks held by udevd/6981:
#0: ffff888113f941d8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
#1: ffff88810e3b7888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x230 fs/kernfs/file.c:154
#2: ffff88811d3ef2f0 (kn->active#18){++++}-{0:0}, at: kernfs_seq_start+0x71/0x230 fs/kernfs/file.c:155
#3: ffff88811ead8190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:995 [inline]
#3: ffff88811ead8190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by syz-executor.2/10307:
#0: ffff8881159b34c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1191
#1: ffff888120bdb588 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe4/0x5b0 fs/readdir.c:103
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2436 [inline]
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x437/0x5b0 fs/readdir.c:113
#3: ffff8881143ac950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d9/0x15e0 fs/jbd2/transaction.c:463
7 locks held by kworker/0:5/11964:
#0: ffff8881066a1938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000b97fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810afa9190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810afa9190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff88811ead8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff88811ead8190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x910 drivers/usb/core/hub.c:2287
#4: ffff88811eadf160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff88811eadf160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff88811eadf160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#5: ffffffff88ac1b48 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2219
#6: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#6: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:995
4 locks held by syz-executor.0/17207:
#0: ffff8881136dd248 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x170 fs/file.c:1191
#1: ffff888122b8aba0 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe4/0x5b0 fs/readdir.c:103
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2436 [inline]
#2: ffff8881143a83f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x437/0x5b0 fs/readdir.c:113
#3: ffff8881143ac950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10d9/0x15e0 fs/jbd2/transaction.c:463
1 lock held by syz-executor.4/19455:
#0: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#0: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x6b1/0x800 kernel/rcu/tree_exp.h:995
=============================================
keytouch 0003:0926:3333.014A: can't resubmit intr, dummy_hcd.0-1/input0, status -19