__do_sys_unlinkat fs/namei.c:4339 [inline] __se_sys_unlinkat fs/namei.c:4333 [inline] __x64_sys_unlinkat+0xeb/0x130 fs/namei.c:4333 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1bc83ddbe7 ================================ WARNING: inconsistent lock state 5.19.0-syzkaller-13666-gffcf9c5700e4 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.1/1308 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b854d8 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b854d8 (vmap_area_lock){+.?.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] alloc_vmap_area+0xa0b/0x1d50 mm/vmalloc.c:1617 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2484 get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2537 __ioremap_caller.constprop.0+0x292/0x600 arch/x86/mm/ioremap.c:280 acpi_os_ioremap include/acpi/acpi_io.h:13 [inline] acpi_map drivers/acpi/osl.c:296 [inline] acpi_os_map_iomem+0x463/0x550 drivers/acpi/osl.c:355 acpi_tb_acquire_table+0xd8/0x209 drivers/acpi/acpica/tbdata.c:142 acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline] acpi_tb_validate_table+0x50/0x8c drivers/acpi/acpica/tbdata.c:308 acpi_tb_verify_temp_table+0x84/0x674 drivers/acpi/acpica/tbdata.c:504 acpi_reallocate_root_table+0x374/0x3e0 drivers/acpi/acpica/tbxface.c:180 acpi_early_init+0x13a/0x438 drivers/acpi/bus.c:1214 start_kernel+0x3cf/0x48f init/main.c:1099 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 15816877 hardirqs last enabled at (15816876): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (15816876): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (15816877): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (15816877): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (15800422): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (15800422): [] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 softirqs last disabled at (15816873): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (15816873): [] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(vmap_area_lock); lock(vmap_area_lock); *** DEADLOCK *** 7 locks held by syz-executor.1/1308: #0: ffff888110f7e438 (sb_writers#4){.+.+}-{0:0}, at: do_rmdir+0x1d0/0x430 fs/namei.c:4142 #1: ffff88812105a1d0 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:796 [inline] #1: ffff88812105a1d0 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_rmdir+0x21b/0x430 fs/namei.c:4146 #2: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #2: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1464 #3: ffff888117b6b230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:456 [inline] #3: ffff888117b6b230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x6c/0xa0 drivers/input/input.c:449 #4: ffffffff87a94f60 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:884 #5: ffffffff87eb92f8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #5: ffffffff87eb92f8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1790 drivers/tty/vt/keyboard.c:1537 #6: ffffffff87a94f60 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8832 stack backtrace: CPU: 1 PID: 1308 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-13666-gffcf9c5700e4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_usage_bug kernel/locking/lockdep.c:3961 [inline] valid_state kernel/locking/lockdep.c:3973 [inline] mark_lock_irq kernel/locking/lockdep.c:4176 [inline] mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632 mark_lock kernel/locking/lockdep.c:4596 [inline] mark_usage kernel/locking/lockdep.c:4527 [inline] __lock_acquire+0x11d9/0x56d0 kernel/locking/lockdep.c:5007 lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] find_vmap_area+0x1c/0x130 mm/vmalloc.c:1836 check_heap_object mm/usercopy.c:176 [inline] __check_object_size mm/usercopy.c:250 [inline] __check_object_size+0x1f8/0x700 mm/usercopy.c:212 check_object_size include/linux/thread_info.h:199 [inline] __copy_from_user_inatomic include/linux/uaccess.h:62 [inline] copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline] copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31 copy_code arch/x86/kernel/dumpstack.c:91 [inline] show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121 show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149 __show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74 show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292 sched_show_task kernel/sched/core.c:8870 [inline] sched_show_task+0x44c/0x5c0 kernel/sched/core.c:8844 show_state_filter+0x13e/0x300 kernel/sched/core.c:8915 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xe1/0x130 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0xcdd/0x1790 drivers/tty/vt/keyboard.c:1543 input_to_handler+0x3b9/0x4c0 drivers/input/input.c:129 input_pass_values.part.0+0x230/0x710 drivers/input/input.c:156 input_pass_values drivers/input/input.c:145 [inline] input_handle_event+0x373/0x1470 drivers/input/input.c:415 input_event drivers/input/input.c:457 [inline] input_event+0x7f/0xa0 drivers/input/input.c:449 input_sync include/linux/input.h:450 [inline] hidinput_report_event+0xae/0x100 drivers/hid/hid-input.c:1650 hid_report_raw_event+0x3e6/0x1280 drivers/hid/hid-core.c:2005 hid_input_report+0x360/0x4c0 drivers/hid/hid-core.c:2065 hid_irq_in+0x50e/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1c0/0x9a9 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline] RIP: 0010:unwind_next_frame+0x146e/0x1cc0 arch/x86/kernel/unwind_orc.c:617 Code: ff df 48 8b 54 24 08 48 c1 ea 03 80 3c 02 00 0f 85 e2 07 00 00 49 8d 7d 08 49 8b 5d 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa <48> c1 ea 03 80 3c 02 00 0f 85 f2 06 00 00 49 8d 7d 10 49 8b 6d 08 RSP: 0018:ffffc900011678e8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc90001167c98 RCX: 0000000000000001 RDX: ffffc90001167960 RSI: 0000000000000001 RDI: ffffc90001167960 RBP: ffffc900011679a0 R08: ffffffff89345874 R09: ffffc9000116798c R10: fffff5200022cf36 R11: ffffc90001167c90 R12: ffffc9000116798d R13: ffffc90001167958 R14: ffffc90001167c98 R15: ffffffff89345878 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 __kasan_record_aux_stack+0x9f/0xb0 mm/kasan/generic.c:348 call_rcu+0x99/0x790 kernel/rcu/tree.c:2793 security_inode_free+0x9a/0xc0 security/security.c:1056 __destroy_inode+0x1fc/0x700 fs/inode.c:285 destroy_inode+0x91/0x1b0 fs/inode.c:308 iput_final fs/inode.c:1744 [inline] iput.part.0+0x55d/0x810 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 d_delete_notify include/linux/fsnotify.h:261 [inline] vfs_rmdir.part.0+0x496/0x5a0 fs/namei.c:4111 vfs_rmdir fs/namei.c:4083 [inline] do_rmdir+0x3a6/0x430 fs/namei.c:4159 __do_sys_unlinkat fs/namei.c:4339 [inline] __se_sys_unlinkat fs/namei.c:4333 [inline] __x64_sys_unlinkat+0xeb/0x130 fs/namei.c:4333 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1bc83ddbe7 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed7334338 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f1bc83ddbe7 RDX: 0000000000000200 RSI: 00007ffed73354c0 RDI: 00000000ffffff9c RBP: 00007ffed7334400 R08: 0000000000000000 R09: 00007ffed73341d0 R10: 0000555557160bd3 R11: 0000000000000207 R12: 00007f1bc843742e R13: 00007ffed73354c0 R14: 0000555557160b00 R15: 00007ffed7335500 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed7334338 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f1bc83ddbe7 RDX: 0000000000000200 RSI: 00007ffed73354c0 RDI: 00000000ffffff9c RBP: 00007ffed7334400 R08: 0000000000000000 R09: 00007ffed73341d0 R10: 0000555557160bd3 R11: 0000000000000207 R12: 00007f1bc843742e R13: 00007ffed73354c0 R14: 0000555557160b00 R15: 00007ffed7335500 task:syz-executor.2 state:D stack:25352 pid: 1309 ppid: 1296 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 io_schedule+0xba/0x130 kernel/sched/core.c:8714 bit_wait_io+0x12/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xd5/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x87a/0xf60 fs/jbd2/transaction.c:1107 jbd2_journal_get_write_access+0x122/0x190 fs/jbd2/transaction.c:1242 __ext4_journal_get_write_access+0x1ba/0x440 fs/ext4/ext4_jbd2.c:235 ext4_reserve_inode_write+0x187/0x270 fs/ext4/inode.c:5763 __ext4_mark_inode_dirty+0x176/0x8d0 fs/ext4/inode.c:5929 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5966 __mark_inode_dirty+0x48b/0x1040 fs/fs-writeback.c:2381 generic_update_time fs/inode.c:1856 [inline] inode_update_time fs/inode.c:1869 [inline] touch_atime+0x63d/0x700 fs/inode.c:1941 file_accessed include/linux/fs.h:2521 [inline] iterate_dir+0x459/0x6f0 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa28c858087 RSP: 002b:00007ffe42270208 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00005555569a5b00 RCX: 00007fa28c858087 RDX: 0000000000008000 RSI: 00005555569a5b30 RDI: 0000000000000003 RBP: 00005555569a5b30 R08: 0000000000000030 R09: 00007fa28c91a640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 00005555569a5b04 R14: 0000000000000016 R15: 00007ffe42271400 task:kworker/u4:4 state:I stack:26160 pid: 1313 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:5 state:I stack:27088 pid: 1315 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:syz-executor.3 state:S stack:25352 pid: 1320 ppid: 1299 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x197/0x690 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb2456d7f4a RSP: 002b:00007ffd6a2dbb60 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 00000000000005e3 RCX: 00007fb2456d7f4a RDX: 00007ffd6a2dbba0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffd6a2dbc2c R08: 00000000000003bd R09: 00007ffd6a3f8080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000000e9a73 R14: 0000000000000004 R15: 00007ffd6a2dbc90 task:kworker/1:2 state:I stack:24176 pid: 1989 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:3 state:I stack:21232 pid: 4048 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:3 state:D stack:21568 pid: 4055 ppid: 2 flags:0x00004000 Workqueue: pm hcd_resume_work Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 schedule_timeout_uninterruptible kernel/time/timer.c:1969 [inline] msleep+0xb2/0xf0 kernel/time/timer.c:2091 hub_activate+0x1416/0x1ce0 drivers/usb/core/hub.c:1271 hub_resume+0xa6/0x3e0 drivers/usb/core/hub.c:3902 usb_resume_interface.part.0.isra.0+0x271/0x360 drivers/usb/core/driver.c:1359 usb_resume_interface drivers/usb/core/driver.c:1519 [inline] usb_resume_both+0x2a7/0x8d0 drivers/usb/core/driver.c:1519 __rpm_callback+0xc9/0x330 drivers/base/power/runtime.c:395 rpm_callback+0x1e3/0x230 drivers/base/power/runtime.c:522 rpm_resume+0x1031/0x1bc0 drivers/base/power/runtime.c:899 __pm_runtime_resume+0xb7/0x170 drivers/base/power/runtime.c:1157 pm_runtime_get_sync include/linux/pm_runtime.h:425 [inline] usb_autoresume_device+0x1e/0x60 drivers/usb/core/driver.c:1707 usb_remote_wakeup+0x86/0xe0 drivers/usb/core/hub.c:3740 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:4 state:I stack:22352 pid: 4138 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:4 state:D stack:22208 pid: 4139 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1be/0x530 kernel/sched/completion.c:106 usb_start_wait_urb+0x144/0x4b0 drivers/usb/core/message.c:63 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 reg_r.part.0+0xba/0x130 drivers/media/usb/gspca/sunplus.c:251 reg_r drivers/media/usb/gspca/sunplus.c:249 [inline] spca504B_WaitCmdStatus+0xb7/0x210 drivers/media/usb/gspca/sunplus.c:420 sd_init+0x4af/0x980 drivers/media/usb/gspca/sunplus.c:653 gspca_dev_probe2+0xabf/0x152d drivers/media/usb/gspca/gspca.c:1534 gspca_dev_probe.cold+0x1a/0xaf drivers/media/usb/gspca/gspca.c:1610 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:530 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:609 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:748 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:778 __device_attach_driver+0x206/0x2e0 drivers/base/dd.c:901 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:973 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd4/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:530 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:609 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:748 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:778 __device_attach_driver+0x206/0x2e0 drivers/base/dd.c:901 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:973 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573 hub_port_connect drivers/usb/core/hub.c:5353 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x26c7/0x4610 drivers/usb/core/hub.c:5735 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0x854/0x1080 kernel/workqueue.c:2438 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:5 state:I stack:21672 pid: 4154 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:7 state:I stack:22808 pid: 4262 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:5 state:I stack:22016 pid: 4489 ppid: 2 flags:0x00004000 Workqueue: 0x0 (usb_hub_wq) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:6 state:I stack:22272 pid: 4494 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:7 state:D stack:22736 pid: 5702 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 schedule_timeout_uninterruptible kernel/time/timer.c:1969 [inline] msleep+0xb2/0xf0 kernel/time/timer.c:2091 hub_port_wait_reset drivers/usb/core/hub.c:2856 [inline] hub_port_reset+0x3b9/0x1cc0 drivers/usb/core/hub.c:2986 hub_port_init+0x18e/0x35c0 drivers/usb/core/hub.c:4703 hub_port_connect drivers/usb/core/hub.c:5282 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x24d1/0x4610 drivers/usb/core/hub.c:5735 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:udevd state:S stack:28528 pid: 5725 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1825190 R08: 0000000000000007 R09: 00005623c1808b70 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1828dc0 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27648 pid: 5736 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1825190 R08: 0000000000000007 R09: 00005623c1819720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1835030 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27952 pid: 5739 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c182a680 R08: 0000000000000007 R09: 00005623c1819720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1800220 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:28512 pid: 5740 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1809b60 R08: 0000000000000007 R09: 00005623c1823280 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1815290 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27952 pid: 5741 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1825190 R08: 0000000000000007 R09: 00005623c1823280 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c182ba90 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27952 pid: 5742 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1825190 R08: 0000000000000007 R09: 00005623c1819720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c18382f0 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27704 pid: 5743 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1828430 R08: 0000000000000007 R09: 00005623c1823280 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1832d70 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:26584 pid: 5744 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 device_lock_interruptible include/linux/device.h:840 [inline] read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873 sysfs_kf_bin_read+0x196/0x270 fs/sysfs/file.c:97 kernfs_file_read_iter fs/kernfs/file.c:271 [inline] kernfs_fop_read_iter+0x3dc/0x710 fs/kernfs/file.c:300 call_read_iter include/linux/fs.h:2186 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x67d/0x930 fs/read_write.c:470 ksys_read+0x127/0x250 fs/read_write.c:607 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca90a8fe RSP: 002b:00007ffcbcef9da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca90a8fe RDX: 0000000000010011 RSI: 00007ffcbcef9dd7 RDI: 0000000000000008 RBP: 00007ffcbcf0a4a8 R08: 00007f9cca9daa00 R09: 00005623c181cf00 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 00005623c18004d0 R14: 00007ffcbcef9dd7 R15: 0000000000000003 task:udevd state:S stack:27648 pid: 5750 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 device_lock_interruptible include/linux/device.h:840 [inline] read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873 sysfs_kf_bin_read+0x196/0x270 fs/sysfs/file.c:97 kernfs_file_read_iter fs/kernfs/file.c:271 [inline] kernfs_fop_read_iter+0x3dc/0x710 fs/kernfs/file.c:300 call_read_iter include/linux/fs.h:2186 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x67d/0x930 fs/read_write.c:470 ksys_read+0x127/0x250 fs/read_write.c:607 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca90a8fe RSP: 002b:00007ffcbcef9da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca90a8fe RDX: 0000000000010011 RSI: 00007ffcbcef9dd7 RDI: 0000000000000008 RBP: 00007ffcbcf0a4a8 R08: 00007f9cca9daa00 R09: 00005623c18189b0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 0000000000000000 R14: 00007ffcbcef9dd7 R15: 00005623c0852a7c task:udevd state:S stack:27792 pid: 5751 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c182a680 R08: 0000000000000007 R09: 00005623c1823a20 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c183f510 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:27952 pid: 5752 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c182a680 R08: 0000000000000007 R09: 00005623c1808b70 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c183bfe0 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:udevd state:S stack:28360 pid: 5753 ppid: 1177 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1878 [inline] do_epoll_wait+0x12ba/0x1950 fs/eventpoll.c:2256 __do_sys_epoll_wait fs/eventpoll.c:2268 [inline] __se_sys_epoll_wait fs/eventpoll.c:2263 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2263 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cca918e46 RSP: 002b:00007ffcbcf0f8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cca918e46 RDX: 0000000000000004 RSI: 00007ffcbcf0f918 RDI: 0000000000000004 RBP: 00005623c1825190 R08: 0000000000000007 R09: 00005623c1819720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005623c1825440 R13: 00007ffcbcf0f918 R14: 00000000ffffffff R15: 00005623c17ff910 task:kworker/0:6 state:I stack:29664 pid: 9186 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:1 state:I stack:29968 pid:13111 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:0 state:I stack:22632 pid:13229 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:0 state:I stack:27240 pid:14725 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:1 state:I stack:29944 pid:15188 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:syz-executor.4 state:S stack:28680 pid:16256 ppid: 1307 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x28e/0x680 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f829fb9b279 RSP: 002b:00007ffdd5f4e518 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f829fcadf8c RCX: 00007f829fb9b279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f829fcadf8c RBP: 00007f829fcadf80 R08: 00007ffdd5fc5080 R09: 0000000000000000 R10: 00007ffdd5f4e600 R11: 0000000000000246 R12: 00000000000e9297 R13: 00007ffdd5f4e600 R14: 00007ffdd5f4e620 R15: 0000000000000bea task:syz-executor.4 state:S stack:29088 pid:16257 ppid: 1307 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x341/0x780 kernel/locking/semaphore.c:246 down_interruptible+0x7b/0xa0 kernel/locking/semaphore.c:87 raw_event_queue_fetch drivers/usb/gadget/legacy/raw_gadget.c:99 [inline] raw_ioctl_event_fetch drivers/usb/gadget/legacy/raw_gadget.c:588 [inline] raw_ioctl+0x100b/0x2740 drivers/usb/gadget/legacy/raw_gadget.c:1256 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f829fb9b037 RSP: 002b:00007f829f30f098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f829f310110 RCX: 00007f829fb9b037 RDX: 00007f829f310110 RSI: 0000000080085502 RDI: 0000000000000003 RBP: 0000000000000003 R08: 000000000000ffff R09: 000000000000000b R10: 00007f829f30f140 R11: 0000000000000246 R12: 0000000800000000 R13: 0000000000000000 R14: 0000000020000040 R15: 00007f829fc00f34 task:syz-executor.3 state:S stack:28680 pid:16267 ppid: 1320 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x28e/0x680 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb2456b3279 RSP: 002b:00007ffd6a2db9e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fb2457c5f8c RCX: 00007fb2456b3279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb2457c5f8c RBP: 00007fb2457c5f80 R08: 00007ffd6a3f8080 R09: 0000000000000000 R10: 00007ffd6a2dbad0 R11: 0000000000000246 R12: 00000000000e9a72 R13: 00007ffd6a2dbad0 R14: 00007ffd6a2dbaf0 R15: 000000000000015e task:syz-executor.3 state:S stack:29120 pid:16268 ppid: 1320 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x197/0x690 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1236 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb2456d7fa1 RSP: 002b:00007fb244e27070 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb2456d7fa1 RDX: 00007fb244e270b0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb244e27108 R13: 0000000000000000 R14: 0000000020000080 R15: 0000000000022000 task:syz-executor.0 state:S stack:28680 pid:16269 ppid: 1302 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x28e/0x680 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f64af795279 RSP: 002b:00007fffa6a86198 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f64af8a7f8c RCX: 00007f64af795279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f64af8a7f8c RBP: 00007f64af8a7f80 R08: 00007fffa6acf080 R09: 0000000000000000 R10: 00007fffa6a86280 R11: 0000000000000246 R12: 00000000000e9440 R13: 00007fffa6a86280 R14: 00007fffa6a862a0 R15: 0000000000000bea task:syz-executor.0 state:S stack:29120 pid:16270 ppid: 1302 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0x93f/0x26f0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x341/0x780 kernel/locking/semaphore.c:246 down_interruptible+0x7b/0xa0 kernel/locking/semaphore.c:87 raw_event_queue_fetch drivers/usb/gadget/legacy/raw_gadget.c:99 [inline] raw_ioctl_event_fetch drivers/usb/gadget/legacy/raw_gadget.c:588 [inline] raw_ioctl+0x100b/0x2740 drivers/usb/gadget/legacy/raw_gadget.c:1256 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f64af795037 RSP: 002b:00007f64aef09098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f64aef0a110 RCX: 00007f64af795037 RDX: 00007f64aef0a110 RSI: 0000000080085502 RDI: 0000000000000003 RBP: 0000000000000003 R08: 000000000000ffff R09: 000000000000000b R10: 00007f64aef09140 R11: 0000000000000246 R12: 0000000800000000 R13: 0000000000000000 R14: 0000000020000000 R15: 00007f64af7faf34 INFO: lockdep is turned off. keytouch 0003:0926:3333.007E: can't resubmit intr, dummy_hcd.0-1/input0, status -19 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 48 8b fisttps -0x75(%rax) 3: 54 push %rsp 4: 24 08 and $0x8,%al 6: 48 c1 ea 03 shr $0x3,%rdx a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) e: 0f 85 e2 07 00 00 jne 0x7f6 14: 49 8d 7d 08 lea 0x8(%r13),%rdi 18: 49 8b 5d 38 mov 0x38(%r13),%rbx 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 89 fa mov %rdi,%rdx * 29: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction 2d: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 31: 0f 85 f2 06 00 00 jne 0x729 37: 49 8d 7d 10 lea 0x10(%r13),%rdi 3b: 49 8b 6d 08 mov 0x8(%r13),%rbp