On Tue 01-10-24 20:34:21, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 075dbe9f6e3c Merge tag 'soc-ep93xx-dt-6.12' of git://git.k.. > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > console output: https://syzkaller.appspot.com/x/log.txt?x=16081e80580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3d9e1c0225f14ccc > dashboard link: https://syzkaller.appspot.com/bug?extid=6dca7953fd4bbdf92f5d > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14923e27980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=131646a9980000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/47c253223330/disk-075dbe9f.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/f66e6e6c457a/vmlinux-075dbe9f.xz > kernel image: https://storage.googleapis.com/syzbot-assets/3580fe941737/bzImage-075dbe9f.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+6dca7953fd4bbdf92f5d@xxxxxxxxxxxxxxxxxxxxxxxxx Seems more like a usb/hid issue to me. Filesystem code was just where the interrupt causing issues hit. So: #syz set subsystems: usb Honza > rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D > } 2676 jiffies s: 2761 root: 0x2/. > rcu: blocking rcu_node structures (internal RCU debug): > Sending NMI from CPU 0 to CPUs 1: > NMI backtrace for cpu 1 > CPU: 1 UID: 0 PID: 2546 Comm: udevd Not tainted 6.11.0-syzkaller-11558-g075dbe9f6e3c #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 > RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:407 > Code: 74 b5 fe 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 08 ea 0d ff eb a2 e8 91 ea > RSP: 0018:ffffc900001b7f08 EFLAGS: 00000002 > RAX: dffffc0000000060 RBX: 00000000000003fd RCX: 0000000000000000 > RDX: 00000000000003fd RSI: ffffffff82a04140 RDI: ffffffff9362a660 > RBP: ffffffff9362a620 R08: 0000000000000001 R09: 000000000000001f > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 > R13: 0000000000000020 R14: fffffbfff26c551e R15: dffffc0000000000 > FS: 00007f6ef7a6cc80(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00000000200012b8 CR3: 0000000116722000 CR4: 00000000003506f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > <NMI> > </NMI> > <IRQ> > serial_in drivers/tty/serial/8250/8250.h:137 [inline] > serial_lsr_in drivers/tty/serial/8250/8250.h:159 [inline] > wait_for_lsr+0xda/0x180 drivers/tty/serial/8250/8250_port.c:2068 > serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline] > serial8250_console_write+0xf5a/0x17c0 drivers/tty/serial/8250/8250_port.c:3393 > console_emit_next_record kernel/printk/printk.c:3092 [inline] > console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180 > __console_flush_and_unlock kernel/printk/printk.c:3239 [inline] > console_unlock+0xd9/0x210 kernel/printk/printk.c:3279 > vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407 > vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68 > _printk+0xc8/0x100 kernel/printk/printk.c:2432 > printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] > show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285 > sched_show_task kernel/sched/core.c:7582 [inline] > sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557 > show_state_filter+0xee/0x320 kernel/sched/core.c:7627 > k_spec drivers/tty/vt/keyboard.c:667 [inline] > k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656 > kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline] > kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541 > input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549 > input_pass_values+0x777/0x8e0 drivers/input/input.c:126 > input_event_dispose drivers/input/input.c:352 [inline] > input_handle_event+0xb30/0x14d0 drivers/input/input.c:369 > input_event drivers/input/input.c:398 [inline] > input_event+0x83/0xa0 drivers/input/input.c:390 > hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719 > hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540 > hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652 > hid_process_report drivers/hid/hid-core.c:1694 [inline] > hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040 > __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110 > hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285 > __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650 > usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734 > dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 > __run_hrtimer kernel/time/hrtimer.c:1691 [inline] > __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1755 > hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772 > handle_softirqs+0x206/0x8d0 kernel/softirq.c:554 > __do_softirq kernel/softirq.c:588 [inline] > invoke_softirq kernel/softirq.c:428 [inline] > __irq_exit_rcu kernel/softirq.c:637 [inline] > irq_exit_rcu+0xac/0x110 kernel/softirq.c:649 > instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] > sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037 > </IRQ> > <TASK> > asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 > RIP: 0010:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5790 > Code: c1 05 da 76 cf 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 > RSP: 0018:ffffc900014ffb50 EFLAGS: 00000206 > RAX: dffffc0000000000 RBX: 1ffff9200029ff6c RCX: 0000000000000001 > RDX: 0000000000000001 RSI: ffffffff8727f4c0 RDI: ffffffff8746eb20 > RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1f547c3 > R10: ffffffff8faa3e1f R11: 0000000000000000 R12: 0000000000000001 > R13: 0000000000000000 R14: ffff888115a223f8 R15: 0000000000000000 > percpu_down_read include/linux/percpu-rwsem.h:51 [inline] > __sb_start_write include/linux/fs.h:1716 [inline] > sb_start_write include/linux/fs.h:1852 [inline] > mnt_want_write+0x6f/0x450 fs/namespace.c:515 > vfs_utimes+0x6b9/0x850 fs/utimes.c:36 > do_utimes_fd fs/utimes.c:120 [inline] > do_utimes+0x21a/0x2a0 fs/utimes.c:144 > __do_sys_utimensat fs/utimes.c:164 [inline] > __se_sys_utimensat fs/utimes.c:148 [inline] > __x64_sys_utimensat+0x1c7/0x290 fs/utimes.c:148 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7b9afcc > Code: d8 64 89 02 48 83 c8 ff 89 ef 48 89 44 24 08 e8 99 00 fa ff 48 8b 44 24 08 48 83 c4 30 5d c3 c3 41 89 ca b8 18 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 2d 6e 0d 00 f7 d8 64 89 02 48 83 > RSP: 002b:00007ffca65b3bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000118 > RAX: ffffffffffffffda RBX: 000055fb37157040 RCX: 00007f6ef7b9afcc > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c > RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff > </TASK> > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f735c0e6457 > RSP: 002b:00007ffed7b36718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 00007ffed7b36728 RCX: 00007f735c0e6457 > RDX: 0000000000000040 RSI: 00007ffed7b36728 RDI: 0000000000000003 > RBP: 00007ffed7b36ab8 R08: 0000000000000aac R09: 00007f735c25b080 > R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 > R13: 0000000000000001 R14: 00007ffed7b36ab8 R15: 00007ffed7b36dc8 > </TASK> > task:dhcpcd state:S stack:26384 pid:2583 tgid:2583 ppid:1 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x272/0x3b0 kernel/time/hrtimer.c:2281 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f5ded2bbad5 > RSP: 002b:00007ffcabd8b540 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00005600b8e03ee0 RCX: 00007f5ded2bbad5 > RDX: 00007ffcabd8b560 RSI: 0000000000000004 RDI: 00005600b8e0de70 > RBP: 00007ffcabd8b890 R08: 0000000000000008 R09: 00007f5ded3a4080 > R10: 00007ffcabd8b890 R11: 0000000000000246 R12: 00007ffcabd8b588 > R13: 000056008712e610 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > task:dhcpcd state:S stack:23888 pid:2584 tgid:2584 ppid:2583 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f5ded2bbad5 > RSP: 002b:00007ffcabd8b540 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00005600b8e03ee0 RCX: 00007f5ded2bbad5 > RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00005600b8e03ec0 > RBP: 00007ffcabd8b890 R08: 0000000000000008 R09: fb18c1db426bd72e > R10: 00007ffcabd8b890 R11: 0000000000000246 R12: 0000000000000000 > R13: 000056008712e610 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > task:dhcpcd state:S stack:27984 pid:2585 tgid:2585 ppid:2583 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f5ded2bbad5 > RSP: 002b:00007ffcabd8b540 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00005600b8e03ee0 RCX: 00007f5ded2bbad5 > RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00005600b8e0cfe0 > RBP: 00007ffcabd8b890 R08: 0000000000000008 R09: 000056008712e3d0 > R10: 00007ffcabd8b890 R11: 0000000000000246 R12: 0000000000000000 > R13: 000056008712e610 R14: 0000000000000003 R15: 0000000000000000 > </TASK> > task:dhcpcd state:S stack:27088 pid:2586 tgid:2586 ppid:2583 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f5ded2bbad5 > RSP: 002b:00007ffcabd8b540 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00005600b8e03ee0 RCX: 00007f5ded2bbad5 > RDX: 0000000000000000 RSI: 0000000000000005 RDI: 00005600b8e0cfe0 > RBP: 00007ffcabd8b890 R08: 0000000000000008 R09: 000056008712e3d0 > R10: 00007ffcabd8b890 R11: 0000000000000246 R12: 0000000000000000 > R13: 000056008712e610 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > task:dhcpcd state:S stack:25904 pid:2602 tgid:2602 ppid:2584 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f5ded2bbad5 > RSP: 002b:00007ffcabd8b540 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00005600b8e03ee0 RCX: 00007f5ded2bbad5 > RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00005600b8e0ed50 > RBP: 00007ffcabd8b890 R08: 0000000000000008 R09: 0000000000000000 > R10: 00007ffcabd8b890 R11: 0000000000000246 R12: 0000000000000000 > R13: 000056008712e610 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > task:sshd state:S stack:27120 pid:2604 tgid:2604 ppid:1 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6336e5bad5 > RSP: 002b:00007ffe8b847dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 000055905248dab0 RCX: 00007f6336e5bad5 > RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000559052493490 > RBP: 0000000000000064 R08: 0000000000000008 R09: 0000000000000000 > R10: 00007ffe8b847f88 R11: 0000000000000246 R12: 0000559052493490 > R13: 00007ffe8b847f88 R14: 0000000000000002 R15: 000055905248eb0c > </TASK> > task:getty state:S stack:25408 pid:2606 tgid:2606 ppid:1 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 > wait_woken+0x175/0x1c0 kernel/sched/wait.c:423 > n_tty_read+0x10fb/0x1480 drivers/tty/n_tty.c:2277 > iterate_tty_read drivers/tty/tty_io.c:859 [inline] > tty_read+0x30e/0x5b0 drivers/tty/tty_io.c:934 > new_sync_read fs/read_write.c:488 [inline] > vfs_read+0x86e/0xbd0 fs/read_write.c:569 > ksys_read+0x12f/0x260 fs/read_write.c:712 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f65d29d0b6a > RSP: 002b:00007ffffd789b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 > RAX: ffffffffffffffda RBX: 0000563fa3d372c0 RCX: 00007f65d29d0b6a > RDX: 0000000000000001 RSI: 00007ffffd789b80 RDI: 0000000000000000 > RBP: 0000563fa3d37320 R08: 0000000000000000 R09: 6636c34c59ad5bfc > R10: 0000000000000010 R11: 0000000000000246 R12: 0000563fa3d3735c > R13: 00007ffffd789b80 R14: 0000000000000000 R15: 0000563fa3d3735c > </TASK> > task:sshd state:S stack:25408 pid:2645 tgid:2645 ppid:2604 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x272/0x3b0 kernel/time/hrtimer.c:2281 > poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 > do_poll fs/select.c:964 [inline] > do_sys_poll+0xad5/0xde0 fs/select.c:1015 > __do_sys_ppoll fs/select.c:1121 [inline] > __se_sys_ppoll fs/select.c:1101 [inline] > __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f1f32fbdad5 > RSP: 002b:00007ffc4664c220 EFLAGS: 00000246 ORIG_RAX: 000000000000010f > RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f1f32fbdad5 > RDX: 00007ffc4664c240 RSI: 0000000000000004 RDI: 000055b9f94156e0 > RBP: 000055b9f94142b0 R08: 0000000000000008 R09: 0000000000000000 > R10: 00007ffc4664c328 R11: 0000000000000246 R12: 000055b9cd52baa4 > R13: 0000000000000001 R14: 000055b9cd52c3e8 R15: 00007ffc4664c2a8 > </TASK> > task:syz-executor326 state:S stack:25408 pid:2647 tgid:2647 ppid:2645 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c828 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: ffffffffffffffb8 RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c840 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 > R10: 00007ffc3208c840 R11: 0000000000000202 R12: 00007ffc3208c8a0 > R13: 00007ffc3208c980 R14: 0000000000000001 R15: 0000000000000001 > </TASK> > task:syz-executor326 state:S stack:27200 pid:2649 tgid:2649 ppid:2647 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c678 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: 0000000000054305 RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c690 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000ad4 R08: 0000000000005f2e R09: 00007f0dd878c080 > R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:syz-executor326 state:S stack:27152 pid:2650 tgid:2650 ppid:2647 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c678 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: 0000000000054321 RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c690 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000ad5 R08: 0000000000005f2e R09: 00007f0dd878c080 > R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:syz-executor326 state:S stack:26192 pid:2652 tgid:2652 ppid:2647 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c678 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: 00000000000542dd RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c690 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000ad2 R08: 0000000000005f2e R09: 00007f0dd878c080 > R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:syz-executor326 state:S stack:26192 pid:2653 tgid:2653 ppid:2647 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c678 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: 0000000000054359 RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c690 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000ad6 R08: 0000000000005f2e R09: 00007f0dd878c080 > R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:syz-executor326 state:S stack:25776 pid:2654 tgid:2654 ppid:2647 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 > hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 > common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 > __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] > __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] > __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87f95c3 > RSP: 002b:00007ffc3208c678 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 > RAX: ffffffffffffffda RBX: 0000000000054303 RCX: 00007f0dd87f95c3 > RDX: 00007ffc3208c690 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: 0000000000000ad3 R08: 0000000000005f2e R09: 00007f0dd878c080 > R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:kworker/1:2 state:S stack:21056 pid:2660 tgid:2660 ppid:2 flags:0x00004000 > Workqueue: usb_hub_wq hub_event > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 > __mutex_lock_common kernel/locking/mutex.c:684 [inline] > __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 > input_register_device+0x997/0x1140 drivers/input/input.c:2463 > hidinput_connect+0x1d9c/0x2ba0 drivers/hid/hid-input.c:2343 > hid_connect+0x13a8/0x18a0 drivers/hid/hid-core.c:2234 > hid_hw_start drivers/hid/hid-core.c:2349 [inline] > hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2340 > __hid_device_probe drivers/hid/hid-core.c:2703 [inline] > hid_device_probe+0x3e7/0x490 drivers/hid/hid-core.c:2736 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > hid_add_device+0x37f/0xa70 drivers/hid/hid-core.c:2882 > usbhid_probe+0xd3b/0x1410 drivers/hid/usbhid/hid-core.c:1431 > usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 > usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 > usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 > hub_port_connect drivers/usb/core/hub.c:5521 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] > port_event drivers/usb/core/hub.c:5821 [inline] > hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903 > process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 > process_scheduled_works kernel/workqueue.c:3310 [inline] > worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/1:3 state:I stack:21152 pid:2661 tgid:2661 ppid:2 flags:0x00004000 > Workqueue: 0x0 (events) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/0:3 state:I stack:21808 pid:2664 tgid:2664 ppid:2 flags:0x00004000 > Workqueue: 0x0 (events) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/1:4 state:I stack:22416 pid:2665 tgid:2665 ppid:2 flags:0x00004000 > Workqueue: 0x0 (events) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/1:5 state:I stack:28840 pid:2674 tgid:2674 ppid:2 flags:0x00004000 > Workqueue: 0x0 (mm_percpu_wq) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/1:6 state:I stack:29072 pid:2677 tgid:2677 ppid:2 flags:0x00004000 > Workqueue: 0x0 (mm_percpu_wq) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/1:7 state:I stack:30064 pid:2678 tgid:2678 ppid:2 flags:0x00004000 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/0:4 state:D stack:21744 pid:2693 tgid:2693 ppid:2 flags:0x00004000 > Workqueue: usb_hub_wq hub_event > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 > __mutex_lock_common kernel/locking/mutex.c:684 [inline] > __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 > __input_unregister_device+0x136/0x450 drivers/input/input.c:2272 > input_unregister_device+0xb9/0x100 drivers/input/input.c:2511 > hidinput_disconnect+0x160/0x3e0 drivers/hid/hid-input.c:2376 > hid_disconnect+0x14d/0x1b0 drivers/hid/hid-core.c:2320 > hid_hw_stop drivers/hid/hid-core.c:2369 [inline] > hid_device_remove+0x1a8/0x260 drivers/hid/hid-core.c:2757 > device_remove+0xc8/0x170 drivers/base/dd.c:567 > __device_release_driver drivers/base/dd.c:1273 [inline] > device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 > bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 > device_del+0x396/0x9f0 drivers/base/core.c:3871 > hid_remove_device drivers/hid/hid-core.c:2939 [inline] > hid_destroy_device+0xe5/0x150 drivers/hid/hid-core.c:2959 > usbhid_disconnect+0xa0/0xe0 drivers/hid/usbhid/hid-core.c:1458 > usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 > device_remove drivers/base/dd.c:569 [inline] > device_remove+0x122/0x170 drivers/base/dd.c:561 > __device_release_driver drivers/base/dd.c:1273 [inline] > device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 > bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 > device_del+0x396/0x9f0 drivers/base/core.c:3871 > usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 > usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 > hub_port_connect drivers/usb/core/hub.c:5361 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] > port_event drivers/usb/core/hub.c:5821 [inline] > hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 > process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 > process_scheduled_works kernel/workqueue.c:3310 [inline] > worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/0:5 state:D stack:22416 pid:2707 tgid:2707 ppid:2 flags:0x00004000 > Workqueue: usb_hub_wq hub_event > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 > synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 > led_trigger_set+0x557/0xc60 drivers/leds/led-triggers.c:202 > led_match_default_trigger drivers/leds/led-triggers.c:269 [inline] > led_match_default_trigger drivers/leds/led-triggers.c:263 [inline] > led_trigger_set_default drivers/leds/led-triggers.c:287 [inline] > led_trigger_set_default+0x1bd/0x2a0 drivers/leds/led-triggers.c:276 > led_classdev_register_ext+0x78c/0x9e0 drivers/leds/led-class.c:555 > led_classdev_register include/linux/leds.h:273 [inline] > input_leds_connect+0x54a/0x8e0 drivers/input/input-leds.c:145 > input_attach_handler.isra.0+0x181/0x260 drivers/input/input.c:1027 > input_register_device+0xa8e/0x1140 drivers/input/input.c:2470 > hidinput_connect+0x1d9c/0x2ba0 drivers/hid/hid-input.c:2343 > hid_connect+0x13a8/0x18a0 drivers/hid/hid-core.c:2234 > hid_hw_start drivers/hid/hid-core.c:2349 [inline] > hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2340 > __hid_device_probe drivers/hid/hid-core.c:2703 [inline] > hid_device_probe+0x3e7/0x490 drivers/hid/hid-core.c:2736 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > hid_add_device+0x37f/0xa70 drivers/hid/hid-core.c:2882 > usbhid_probe+0xd3b/0x1410 drivers/hid/usbhid/hid-core.c:1431 > usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 > usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 > usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 > call_driver_probe drivers/base/dd.c:579 [inline] > really_probe+0x23e/0xa90 drivers/base/dd.c:658 > __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 > driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 > __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 > bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 > __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 > bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 > device_add+0x114b/0x1a70 drivers/base/core.c:3682 > usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 > hub_port_connect drivers/usb/core/hub.c:5521 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] > port_event drivers/usb/core/hub.c:5821 [inline] > hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903 > process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 > process_scheduled_works kernel/workqueue.c:3310 [inline] > worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/0:6 state:I stack:28848 pid:2712 tgid:2712 ppid:2 flags:0x00004000 > Workqueue: 0x0 (events) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:kworker/0:7 state:I stack:30304 pid:2726 tgid:2726 ppid:2 flags:0x00004000 > Workqueue: 0x0 (events) > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 > kthread+0x2c1/0x3a0 kernel/kthread.c:389 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 > </TASK> > task:udevd state:S stack:27280 pid:2735 tgid:2735 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb3886c220 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3887e4a0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:27248 pid:2737 tgid:2737 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb38861e00 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3887ae40 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:25888 pid:2742 tgid:2742 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb3886c220 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb38879110 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:27744 pid:2743 tgid:2743 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb38873e60 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb388600e0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:26784 pid:2744 tgid:2744 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb38922f80 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3887edf0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:27328 pid:2745 tgid:2745 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb3884f8f0 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3887d6c0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:28096 pid:2746 tgid:2746 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb38875ef0 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb388835d0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:27536 pid:2747 tgid:2747 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb38875ef0 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb38883820 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:26000 pid:2748 tgid:2748 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb3887e4a0 R08: 0000000000000007 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3887fde0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:udevd state:S stack:28368 pid:2759 tgid:2759 ppid:2546 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 > ep_poll fs/eventpoll.c:2062 [inline] > do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 > __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] > __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] > __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f6ef7ba4457 > RSP: 002b:00007ffca65b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ef7ba4457 > RDX: 0000000000000004 RSI: 00007ffca65b3ac8 RDI: 0000000000000004 > RBP: 000055fb3887fff0 R08: 0000000000000006 R09: 7e497159cdf32cc2 > R10: 00000000ffffffff R11: 0000000000000246 R12: 000055fb3888f0e0 > R13: 00007ffca65b3ac8 R14: 00000000ffffffff R15: 000055fb388432c0 > </TASK> > task:syz-executor326 state:D stack:28192 pid:2770 tgid:2770 ppid:2652 flags:0x00004002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 > synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 > module_remove_driver+0x2e/0x260 drivers/base/module.c:102 > bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:743 > driver_unregister+0x76/0xb0 drivers/base/driver.c:274 > usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1731 > raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 > __fput+0x3f6/0xb60 fs/file_table.c:431 > task_work_run+0x14e/0x250 kernel/task_work.c:228 > exit_task_work include/linux/task_work.h:40 [inline] > do_exit+0xaa3/0x2c50 kernel/exit.c:939 > do_group_exit+0xd3/0x2a0 kernel/exit.c:1088 > __do_sys_exit_group kernel/exit.c:1099 [inline] > __se_sys_exit_group kernel/exit.c:1097 [inline] > __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097 > x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87cf739 > RSP: 002b:00007ffc3208c658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dd87cf739 > RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 > RBP: 00007f0dd884c390 R08: ffffffffffffffb8 R09: 0000000000000003 > R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dd884c390 > R13: 0000000000000000 R14: 00007f0dd88500a0 R15: 00007f0dd879d8f0 > </TASK> > task:syz-executor326 state:D stack:28368 pid:2771 tgid:2771 ppid:2654 flags:0x00004002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:991 > module_remove_driver+0x2e/0x260 drivers/base/module.c:102 > bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:743 > driver_unregister+0x76/0xb0 drivers/base/driver.c:274 > usb_gadget_register_driver_owner+0x1da/0x2f0 drivers/usb/gadget/udc/core.c:1721 > raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] > raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:907 [inline] > __se_sys_ioctl fs/ioctl.c:893 [inline] > __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87d166b > RSP: 002b:00007ffc3208a5b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0dd87d166b > RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005 > RBP: 00007ffc3208b670 R08: 0000000000000010 R09: 00342e6364755f79 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 > R13: 00007ffc3208a640 R14: 00007ffc3208c6f0 R15: 00007f0dd884c3e0 > </TASK> > task:syz-executor326 state:S stack:28368 pid:2772 tgid:2772 ppid:2649 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 > do_wait_for_common kernel/sched/completion.c:95 [inline] > __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116 > wait_for_common kernel/sched/completion.c:127 [inline] > wait_for_completion_interruptible+0x1f/0x40 kernel/sched/completion.c:216 > raw_process_ep_io+0x5d7/0xb90 drivers/usb/gadget/legacy/raw_gadget.c:1121 > raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1152 [inline] > raw_ioctl+0xa4d/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1324 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:907 [inline] > __se_sys_ioctl fs/ioctl.c:893 [inline] > __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87d166b > RSP: 002b:00007ffc3208b630 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 0000000000000034 RCX: 00007f0dd87d166b > RDX: 00007ffc3208b6a0 RSI: 0000000040085507 RDI: 0000000000000003 > RBP: 0000000000000000 R08: 00000000ffffff81 R09: 0000000000000003 > R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > task:syz-executor326 state:D stack:28224 pid:2773 tgid:2773 ppid:2650 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 > __mutex_lock_common kernel/locking/mutex.c:684 [inline] > __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 > exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 > synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 > module_remove_driver+0x2e/0x260 drivers/base/module.c:102 > bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:743 > driver_unregister+0x76/0xb0 drivers/base/driver.c:274 > usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1731 > raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 > __fput+0x3f6/0xb60 fs/file_table.c:431 > task_work_run+0x14e/0x250 kernel/task_work.c:228 > exit_task_work include/linux/task_work.h:40 [inline] > do_exit+0xaa3/0x2c50 kernel/exit.c:939 > do_group_exit+0xd3/0x2a0 kernel/exit.c:1088 > __do_sys_exit_group kernel/exit.c:1099 [inline] > __se_sys_exit_group kernel/exit.c:1097 [inline] > __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097 > x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87cf739 > RSP: 002b:00007ffc3208c658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dd87cf739 > RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 > RBP: 00007f0dd884c390 R08: ffffffffffffffb8 R09: 0000000000000003 > R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dd884c390 > R13: 0000000000000000 R14: 00007f0dd88500a0 R15: 00007f0dd879d8f0 > </TASK> > task:syz-executor326 state:S stack:28368 pid:2774 tgid:2774 ppid:2653 flags:0x00000002 > Call Trace: > <TASK> > context_switch kernel/sched/core.c:5315 [inline] > __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 > __schedule_loop kernel/sched/core.c:6752 [inline] > schedule+0xe7/0x350 kernel/sched/core.c:6767 > schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 > do_wait_for_common kernel/sched/completion.c:95 [inline] > __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116 > wait_for_common kernel/sched/completion.c:127 [inline] > wait_for_completion_interruptible+0x1f/0x40 kernel/sched/completion.c:216 > raw_process_ep_io+0x5d7/0xb90 drivers/usb/gadget/legacy/raw_gadget.c:1121 > raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1152 [inline] > raw_ioctl+0xa4d/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1324 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:907 [inline] > __se_sys_ioctl fs/ioctl.c:893 [inline] > __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0dd87d166b > RSP: 002b:00007ffc3208b630 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dd87d166b > RDX: 00007ffc3208b6a0 RSI: 0000000040085507 RDI: 0000000000000003 > RBP: 0000000000000000 R08: 00000000ffffff81 R09: 0000000000000003 > R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3208c6dc > R13: 00007ffc3208c710 R14: 00007ffc3208c6f0 R15: 000000000000000c > </TASK> > > Showing all locks held in the system: > 7 locks held by kworker/1:0/24: > #0: ffff888105adf548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 > #1: ffffc9000019fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 > #2: ffff888109f6c190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #2: ffff888109f6c190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 > #3: ffff888105f6a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #3: ffff888105f6a190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #4: ffff88810636e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #4: ffff88810636e160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #5: ffff88810b741a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #5: ffff88810b741a20 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #6: ffffffff89bd5968 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x997/0x1140 drivers/input/input.c:2463 > 5 locks held by udevd/2546: > #0: ffff888115a223f8 (sb_writers#6){.+.+}-{0:0}, at: vfs_utimes+0x6b9/0x850 fs/utimes.c:36 > #1: ffff8881102d1230 (&dev->event_lock){..-.}-{2:2}, at: input_event drivers/input/input.c:397 [inline] > #1: ffff8881102d1230 (&dev->event_lock){..-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:390 > #2: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] > #2: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] > #2: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x8e0 drivers/input/input.c:118 > #3: ffffffff893872d8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] > #3: ffffffff893872d8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535 > #4: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] > #4: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] > #4: ffffffff88ebacc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6701 > 2 locks held by getty/2606: > #0: ffff88810aabb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 > #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 > 7 locks held by kworker/1:2/2660: > #0: ffff888105adf548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 > #1: ffffc9000177fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 > #2: ffff888109fb7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #2: ffff888109fb7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 > #3: ffff888105f6b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #3: ffff888105f6b190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #4: ffff8881093e6160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #4: ffff8881093e6160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #5: ffff888107b09a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #5: ffff888107b09a20 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #6: ffffffff89bd5968 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x997/0x1140 drivers/input/input.c:2463 > 7 locks held by kworker/0:4/2693: > #0: ffff888105adf548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 > #1: ffffc900017efd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 > #2: ffff888109f61190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #2: ffff888109f61190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 > #3: ffff888109f2a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #3: ffff888109f2a190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295 > #4: ffff88810a339160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #4: ffff88810a339160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] > #4: ffff88810a339160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 > #5: ffff888108f95a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #5: ffff888108f95a20 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] > #5: ffff888108f95a20 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293 > #6: ffffffff89bd5968 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2272 > 10 locks held by kworker/0:5/2707: > #0: ffff888105adf548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 > #1: ffffc900016afd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 > #2: ffff888109b6e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #2: ffff888109b6e190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 > #3: ffff888109fd7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #3: ffff888109fd7190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #4: ffff88810a33b160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #4: ffff88810a33b160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #5: ffff88810bbbda20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] > #5: ffff88810bbbda20 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 > #6: ffffffff89bd5968 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x997/0x1140 drivers/input/input.c:2463 > #7: ffff88811f95e8a0 (&led_cdev->led_access){+.+.}-{3:3}, at: led_classdev_register_ext+0x51b/0x9e0 drivers/leds/led-class.c:515 > #8: ffffffff892bb010 (triggers_list_lock){++++}-{3:3}, at: led_trigger_set_default drivers/leds/led-triggers.c:2 > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > If the report is already addressed, let syzbot know by replying with: > #syz fix: exact-commit-title > > If you want syzbot to run the reproducer, reply with: > #syz test: git://repo/address.git branch-or-commit-hash > If you attach or paste a git patch, syzbot will apply it before testing. > > If you want to overwrite report's subsystems, reply with: > #syz set subsystems: new-subsystem > (See the list of subsystem names on the web dashboard) > > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report > > If you want to undo deduplication, reply with: > #syz undup -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
