__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: 0033:0x7f7bdf97ff4a ================================ WARNING: inconsistent lock state 5.19.0-syzkaller-10391-gb2a88c212e65 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.2/1311 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b85b18 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b85b18 (vmap_area_lock){+.?.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805 {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+0xa49/0x1f00 mm/vmalloc.c:1586 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2453 get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2506 __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: 19966211 hardirqs last enabled at (19966210): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (19966210): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (19966211): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (19966211): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (19962336): [] fpu_clone+0x3c3/0xbb0 arch/x86/kernel/fpu/core.c:608 softirqs last disabled at (19966203): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (19966203): [] __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 *** 5 locks held by syz-executor.2/1311: #0: ffffc90000007d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #0: ffffc90000007d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1464 #1: ffff88810cb27230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:456 [inline] #1: ffff88810cb27230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x7b/0xb0 drivers/input/input.c:449 #2: ffffffff87a95e60 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:884 #3: ffffffff87eb73f8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #3: ffffffff87eb73f8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1780 drivers/tty/vt/keyboard.c:1537 #4: ffffffff87a95e60 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8828 stack backtrace: CPU: 0 PID: 1311 Comm: syz-executor.2 Not tainted 5.19.0-syzkaller-10391-gb2a88c212e65 #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+0x11e7/0x5660 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:1805 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:8866 [inline] sched_show_task+0x44c/0x5c0 kernel/sched/core.c:8840 show_state_filter+0x13e/0x300 kernel/sched/core.c:8911 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/0x1780 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:426 [inline] input_handle_event+0x67e/0x1440 drivers/input/input.c:426 input_event drivers/input/input.c:457 [inline] input_event+0x8e/0xb0 drivers/input/input.c:449 hidinput_hid_event+0x79d/0x2010 drivers/hid/hid-input.c:1633 hid_process_event+0x491/0x570 drivers/hid/hid-core.c:1527 hid_input_array_field+0x4d7/0x660 drivers/hid/hid-core.c:1639 hid_process_report drivers/hid/hid-core.c:1681 [inline] hid_report_raw_event+0xa8a/0x1280 drivers/hid/hid-core.c:1998 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:1670 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1753 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x679/0xa80 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+0x288/0x9a5 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:finish_task_switch.isra.0+0x24a/0xa00 kernel/sched/core.c:5058 Code: 8b 3a 4c 89 e7 48 c7 02 00 00 00 00 ff d1 4d 85 ff 75 bf 4c 89 e7 e8 75 44 d5 04 e8 a0 a7 2b 00 fb 65 48 8b 1c 25 c0 6e 02 00 <48> 8d bb 98 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffffc90001367b30 EFLAGS: 00000206 RAX: 000000000130a8f9 RBX: ffff88810ff53900 RCX: 1ffffffff11bc4c1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90001367b78 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed103ed06f68 R11: 0000000000000001 R12: ffff8881f6837b40 R13: ffff88811377b900 R14: 0000000000000000 R15: ffff8881f6838538 context_switch kernel/sched/core.c:5181 [inline] __schedule+0x947/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x24e/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: 0033:0x7f7bdf97ff4a Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffe5ca5d600 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000075a RCX: 00007f7bdf97ff4a RDX: 00007ffe5ca5d640 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe5ca5d6cc R08: 00000000000005bb R09: 00007ffe5cb63080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000001662de R14: 0000000000000000 R15: 00007ffe5ca5d730 Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffe5ca5d600 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000075a RCX: 00007f7bdf97ff4a RDX: 00007ffe5ca5d640 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe5ca5d6cc R08: 00000000000005bb R09: 00007ffe5cb63080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000001662de R14: 0000000000000000 R15: 00007ffe5ca5d730 task:syz-executor.1 state:S stack:25568 pid: 1315 ppid: 1300 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 pipe_read+0xa08/0xf90 fs/pipe.c:378 call_read_iter include/linux/fs.h:2182 [inline] new_sync_read+0x2d0/0x350 fs/read_write.c:390 vfs_read+0x492/0x5d0 fs/read_write.c:471 ksys_read+0x1e8/0x250 fs/read_write.c:609 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: 0033:0x7f3a64a49dee RSP: 002b:00007ffcda8edc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007ffcda8edcd0 RCX: 00007f3a64a49dee RDX: 0000000000000040 RSI: 00007f3a64ba6020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000167887 R14: 0000000000000006 R15: 00007ffcda8edd10 task:syz-executor.4 state:S stack:25432 pid: 1319 ppid: 1298 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 pipe_read+0xa08/0xf90 fs/pipe.c:378 call_read_iter include/linux/fs.h:2182 [inline] new_sync_read+0x2d0/0x350 fs/read_write.c:390 vfs_read+0x492/0x5d0 fs/read_write.c:471 ksys_read+0x1e8/0x250 fs/read_write.c:609 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: 0033:0x7fc55473edee RSP: 002b:00007ffea4d06bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007ffea4d06c40 RCX: 00007fc55473edee RDX: 0000000000000040 RSI: 00007fc55489b020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000064 R13: 00000000001671a8 R14: 0000000000000000 R15: 00007ffea4d06c80 task:kworker/0:3 state:I stack:21728 pid: 4027 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:5 state:I stack:22288 pid: 4149 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:6 state:I stack:22032 pid: 4350 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:7 state:I stack:22528 pid: 4995 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:8 state:D stack:22232 pid: 4996 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 usb_kill_urb.part.0+0x19a/0x220 drivers/usb/core/urb.c:726 usb_kill_urb+0x7f/0xa0 drivers/usb/core/urb.c:715 usb_hcd_flush_endpoint+0x35b/0x410 drivers/usb/core/hcd.c:1834 usb_disable_endpoint drivers/usb/core/message.c:1303 [inline] usb_disable_interface+0x327/0x3c0 drivers/usb/core/message.c:1349 usb_unbind_interface+0x3d2/0x8e0 drivers/usb/core/driver.c:456 device_remove drivers/base/dd.c:520 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:512 __device_release_driver drivers/base/dd.c:1209 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1235 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3704 usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419 usb_disconnect.cold+0x278/0x6ec drivers/usb/core/hub.c:2235 hub_port_connect drivers/usb/core/hub.c:5197 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x1e83/0x4690 drivers/usb/core/hub.c:5735 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:8 state:I stack:22488 pid: 5041 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:9 state:I stack:21288 pid: 5042 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:0 state:I stack:22312 pid: 8658 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:3 state:D stack:26784 pid:10256 ppid: 2 flags:0x00004000 Workqueue: events_unbound fsnotify_mark_destroy_workfn Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x378/0x530 kernel/sched/completion.c:106 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:1215 fsnotify_mark_destroy_workfn+0xfd/0x3c0 fs/notify/mark.c:898 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:0 state:R running task stack:22632 pid:10555 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:1 state:I stack:24496 pid:12194 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:4 state:D stack:27248 pid:14046 ppid: 2 flags:0x00004000 Workqueue: events_unbound fsnotify_connector_destroy_workfn Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x378/0x530 kernel/sched/completion.c:106 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:1215 fsnotify_connector_destroy_workfn+0x49/0xa0 fs/notify/mark.c:208 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/u4:5 state:I stack:26448 pid:14047 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:2 state:D stack:23440 pid:14319 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x363/0x770 kernel/locking/semaphore.c:246 down+0x70/0x90 kernel/locking/semaphore.c:63 hid_device_remove+0x25/0x200 drivers/hid/hid-core.c:2621 device_remove+0xc8/0x170 drivers/base/dd.c:518 __device_release_driver drivers/base/dd.c:1209 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1235 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3704 hid_remove_device drivers/hid/hid-core.c:2796 [inline] hid_destroy_device+0xe1/0x150 drivers/hid/hid-core.c:2815 usbhid_disconnect+0x9f/0xe0 drivers/hid/usbhid/hid-core.c:1451 usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:520 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:512 __device_release_driver drivers/base/dd.c:1209 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1235 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3704 usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419 usb_disconnect.cold+0x278/0x6ec drivers/usb/core/hub.c:2235 hub_port_connect drivers/usb/core/hub.c:5197 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x1e83/0x4690 drivers/usb/core/hub.c:5735 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:4 state:I stack:29176 pid:14765 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:syz-executor.3 state:S stack:27952 pid:15886 ppid: 1299 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_wait4+0x14c/0x260 kernel/exit.c:1681 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1709 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: 0033:0x7fa5ead056d6 RSP: 002b:00007ffe50c6b3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000003e0f RCX: 00007fa5ead056d6 RDX: 0000000040000000 RSI: 00007ffe50c6b3bc RDI: 00000000ffffffff RBP: 00007ffe50c6b3bc R08: 0000000000000000 R09: 000055555682e400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffe50c6b4b0 R14: 00007fa5eae1a9d8 R15: 000000000000000c task:syz-executor.3 state:S stack:25736 pid:15887 ppid: 15886 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 pipe_read+0xa08/0xf90 fs/pipe.c:378 call_read_iter include/linux/fs.h:2182 [inline] new_sync_read+0x2d0/0x350 fs/read_write.c:390 vfs_read+0x492/0x5d0 fs/read_write.c:471 ksys_read+0x1e8/0x250 fs/read_write.c:609 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: 0033:0x7fa5eacb9dee RSP: 002b:00007ffe50c6b1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007ffe50c6b230 RCX: 00007fa5eacb9dee RDX: 0000000000000040 RSI: 00007fa5eae16020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000061 R13: 0000000000166795 R14: 0000000000000001 R15: 00007ffe50c6b270 task:kworker/0:4 state:D stack:22448 pid:15943 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 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+0x3be/0x1ce0 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+0x23da/0x4690 drivers/usb/core/hub.c:5735 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:6 state:I stack:24616 pid:17652 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/0:7 state:I stack:30064 pid:17724 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:kworker/1:3 state:I stack:30192 pid:18413 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 task:syz-executor.2 state:S stack:28688 pid:18615 ppid: 1311 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x2c9/0x670 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: 0033:0x7f7bdf95b279 RSP: 002b:00007ffe5ca5d488 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f7bdfa6df8c RCX: 00007f7bdf95b279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7bdfa6df8c RBP: 00007f7bdfa6df80 R08: 00007ffe5cb63080 R09: 0000000000000000 R10: 00007ffe5ca5d570 R11: 0000000000000246 R12: 00000000001662e4 R13: 00007ffe5ca5d570 R14: 00007ffe5ca5d590 R15: 0000000000000bea task:syz-executor.2 state:S stack:29200 pid:18616 ppid: 1311 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x93f/0x26e0 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x363/0x770 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+0x1010/0x2780 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: 0033:0x7f7bdf95b037 RSP: 002b:00007f7bdf0cf098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7bdf0d0110 RCX: 00007f7bdf95b037 RDX: 00007f7bdf0d0110 RSI: 0000000080085502 RDI: 0000000000000003 RBP: 0000000000000003 R08: 000000000000ffff R09: 000000000000000b R10: 00007f7bdf0cf140 R11: 0000000000000246 R12: 0000000800000000 R13: 0000000000000000 R14: 0000000020000b00 R15: 00007f7bdf9c0d1d INFO: lockdep is turned off. keytouch 0003:0926:3333.009E: can't resubmit intr, dummy_hcd.5-1/input0, status -19 ---------------- Code disassembly (best guess): 0: 8b 3a mov (%rdx),%edi 2: 4c 89 e7 mov %r12,%rdi 5: 48 c7 02 00 00 00 00 movq $0x0,(%rdx) c: ff d1 callq *%rcx e: 4d 85 ff test %r15,%r15 11: 75 bf jne 0xffffffd2 13: 4c 89 e7 mov %r12,%rdi 16: e8 75 44 d5 04 callq 0x4d54490 1b: e8 a0 a7 2b 00 callq 0x2ba7c0 20: fb sti 21: 65 48 8b 1c 25 c0 6e mov %gs:0x26ec0,%rbx 28: 02 00 * 2a: 48 8d bb 98 14 00 00 lea 0x1498(%rbx),%rdi <-- trapping instruction 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df 3b: 48 89 fa mov %rdi,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1