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: 0033:0x7f092d893697 ================================ WARNING: inconsistent lock state 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. udevd/1180 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b82b98 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b82b98 (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:5665 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 __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:1199 start_kernel+0x3cf/0x48f init/main.c:1098 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 1838389 hardirqs last enabled at (1838388): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (1838388): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (1838389): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (1838389): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (1836464): [] fpu_clone+0x3c3/0xbb0 arch/x86/kernel/fpu/core.c:608 softirqs last disabled at (1838385): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (1838385): [] __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 udevd/1180: #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: ffff88811acd5230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:456 [inline] #1: ffff88811acd5230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x7b/0xb0 drivers/input/input.c:449 #2: ffffffff87a95140 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:884 #3: ffffffff87eb2cd8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #3: ffffffff87eb2cd8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1780 drivers/tty/vt/keyboard.c:1537 #4: ffffffff87a95140 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8763 stack backtrace: CPU: 0 PID: 1180 Comm: udevd Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #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:5665 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 __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:8801 [inline] sched_show_task+0x44c/0x5c0 kernel/sched/core.c:8775 show_state_filter+0x13e/0x300 kernel/sched/core.c:8846 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:1631 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:preempt_count_add+0x4a/0x140 kernel/sched/core.c:5610 Code: c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e1 00 00 00 8b 15 58 ce 71 0a 65 01 1d d1 a6 e2 7e 85 d2 75 11 65 8b 05 c6 a6 e2 7e <0f> b6 c0 3d f4 00 00 00 7f 64 65 8b 05 b5 a6 e2 7e 25 ff ff ff 7f RSP: 0018:ffffc900005c7218 EFLAGS: 00000246 RAX: 0000000080000001 RBX: 0000000000000001 RCX: 1ffffffff17232c0 RDX: 0000000000000000 RSI: ffffffff81313669 RDI: 0000000000000001 RBP: ffffc900005c72e8 R08: 0000000000000001 R09: ffffc900005c72d4 R10: fffff520000b8e5f R11: ffffc900005c75f8 R12: ffffc900005c7358 R13: ffffc900005c72a0 R14: ffff8881148a8000 R15: ffff88810c5accd8 unwind_next_frame+0xaa/0x1cc0 arch/x86/kernel/unwind_orc.c:428 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:3126 dentry_free+0xc3/0x160 fs/dcache.c:377 __dentry_kill+0x4cb/0x640 fs/dcache.c:621 shrink_dentry_list+0x23c/0x800 fs/dcache.c:1201 shrink_dcache_parent+0x1fe/0x3c0 fs/dcache.c:1628 d_invalidate fs/dcache.c:1737 [inline] d_invalidate+0x13f/0x280 fs/dcache.c:1722 lookup_fast+0x3c1/0x6d0 fs/namei.c:1666 walk_component+0xcf/0x6a0 fs/namei.c:2010 link_path_walk.part.0+0x7ef/0xf70 fs/namei.c:2341 link_path_walk fs/namei.c:2266 [inline] path_openat+0x260/0x2910 fs/namei.c:3649 do_filp_open+0x1aa/0x400 fs/namei.c:3680 do_sys_openat2+0x16d/0x4c0 fs/open.c:1278 do_sys_open fs/open.c:1294 [inline] __do_sys_openat fs/open.c:1310 [inline] __se_sys_openat fs/open.c:1305 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1305 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: 0033:0x7f092d893697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffe26746750 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055771c9b3e10 RCX: 00007f092d893697 RDX: 0000000000080000 RSI: 00007ffe26746888 RDI: 00000000ffffff9c RBP: 00007ffe26746888 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 000055771c9b3e10 R14: 0000000000000001 R15: 0000000000000000 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffe26746750 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055771c9b3e10 RCX: 00007f092d893697 RDX: 0000000000080000 RSI: 00007ffe26746888 RDI: 00000000ffffff9c RBP: 00007ffe26746888 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 000055771c9b3e10 R14: 0000000000000001 R15: 0000000000000000 task:dbus-daemon state:S stack:28720 pid: 1203 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 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: 0033:0x7f3bfa15de46 RSP: 002b:00007fff56c972d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007fff56c972e8 RCX: 00007f3bfa15de46 RDX: 0000000000000040 RSI: 00007fff56c972e8 RDI: 0000000000000003 RBP: 00007fff56c97678 R08: 000000000000000a R09: 00007fff56d80080 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fff56c97678 R15: 00007fff56c9791c task:dhcpcd state:S stack:26352 pid: 1216 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x897/0xe90 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 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: 0033:0x7fd54de529fb RSP: 002b:00007ffe023a44d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000563a8c356e20 RCX: 00007fd54de529fb RDX: 00007ffe023a44f0 RSI: 0000000000000004 RDI: 0000563a8c3741f0 RBP: 00007ffe023a4810 R08: 0000000000000008 R09: 00007ffe023be080 R10: 00007ffe023a4810 R11: 0000000000000246 R12: 00007ffe023a44f0 R13: 0000563a8aa34610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:24112 pid: 1217 ppid: 1216 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x897/0xe90 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 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: 0033:0x7fd54de529fb RSP: 002b:00007ffe023a44d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000563a8c356e20 RCX: 00007fd54de529fb RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000563a8c356e00 RBP: 00007ffe023a4810 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe023a4810 R11: 0000000000000246 R12: 0000000000000000 R13: 0000563a8aa34610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28296 pid: 1218 ppid: 1216 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x897/0xe90 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 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: 0033:0x7fd54de529fb RSP: 002b:00007ffe023a44d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000563a8c356e20 RCX: 00007fd54de529fb RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000563a8c360650 RBP: 00007ffe023a4810 R08: 0000000000000008 R09: 00007fd54df1ea60 R10: 00007ffe023a4810 R11: 0000000000000246 R12: 0000000000000000 R13: 0000563a8aa34610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28296 pid: 1219 ppid: 1216 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x897/0xe90 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 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: 0033:0x7fd54de529fb RSP: 002b:00007ffe023a44d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000563a8c356e20 RCX: 00007fd54de529fb RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000563a8c360650 RBP: 00007ffe023a4810 R08: 0000000000000008 R09: 00007fd54df1ea60 R10: 00007ffe023a4810 R11: 0000000000000246 R12: 0000000000000000 R13: 0000563a8aa34610 R14: 0000000000000003 R15: 0000000000000000 task:sshd state:S stack:27968 pid: 1237 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 core_sys_select+0x3c2/0x9c0 fs/select.c:681 do_pselect.constprop.0+0x17b/0x1c0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x17f/0x230 fs/select.c:795 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: 0033:0x7f76e5934d83 RSP: 002b:00007ffc2768f280 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f76e5934d83 RDX: 0000000000000000 RSI: 000055b4305351b0 RDI: 0000000000000007 RBP: 00007ffc2768f468 R08: 0000000000000000 R09: 00007ffc2768f2c0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000064 R13: 000055b4305351b0 R14: 000000000000018c R15: 000055b42f97de85 task:getty state:S stack:24392 pid: 1239 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 wait_woken+0x18b/0x1f0 kernel/sched/wait.c:459 n_tty_read+0x104c/0x13c0 drivers/tty/n_tty.c:2190 iterate_tty_read drivers/tty/tty_io.c:858 [inline] tty_read+0x33a/0x5d0 drivers/tty/tty_io.c:933 call_read_iter include/linux/fs.h:2052 [inline] new_sync_read+0x384/0x5f0 fs/read_write.c:401 vfs_read+0x492/0x5d0 fs/read_write.c:482 ksys_read+0x127/0x250 fs/read_write.c:620 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: 0033:0x7ff55fccd8fe RSP: 002b:00007fff7d300178 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055f4c199a910 RCX: 00007ff55fccd8fe RDX: 0000000000000001 RSI: 00007fff7d300190 RDI: 0000000000000000 RBP: 000055f4c199a970 R08: 0000000000000007 R09: 000055f4c199bcd0 R10: 0000000000000063 R11: 0000000000000246 R12: 000055f4c199a9ac R13: 00007fff7d300190 R14: 0000000000000000 R15: 000055f4c199a9ac task:dhcpcd state:S stack:27672 pid: 1241 ppid: 1217 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x897/0xe90 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 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: 0033:0x7fd54de529fb RSP: 002b:00007ffe023a44d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000563a8c356e20 RCX: 00007fd54de529fb RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000563a8c361cc0 RBP: 00007ffe023a4810 R08: 0000000000000008 R09: 00000000800a0142 R10: 00007ffe023a4810 R11: 0000000000000246 R12: 0000000000000000 R13: 0000563a8aa34610 R14: 0000000000000003 R15: 0000000000000000 task:sshd state:S stack:26976 pid: 1279 ppid: 1237 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 core_sys_select+0x3c2/0x9c0 fs/select.c:681 do_pselect.constprop.0+0x17b/0x1c0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x17f/0x230 fs/select.c:795 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: 0033:0x7f4b103c4d83 RSP: 002b:00007ffd8179ed10 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f4b103c4d83 RDX: 000055567d3ba370 RSI: 000055567d3c36d0 RDI: 000000000000000a RBP: 000055567d3c7f40 R08: 00007ffd8179ed40 R09: 00007ffd8179ed50 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000001 R14: 00007ffd8179edc8 R15: 00007ffd8179ee48 task:syz-fuzzer state:S stack:25608 pid: 1281 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:00007ffd20d7d6e0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000183d130 RBP: 00007ffd20d7d728 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000020800 R13: 0000000000000000 R14: 000000000183cc00 R15: 0000000000000089 task:syz-fuzzer state:S stack:25720 pid: 1282 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c00003fe78 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000183e758 RBP: 000000c00003fec0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c00003feb0 R11: 0000000000000202 R12: 000000c00003feb0 R13: 000000c000570400 R14: 000000c0000004e0 R15: 00007f8165511fa9 task:syz-fuzzer state:S stack:25608 pid: 1283 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c00056bdb0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049e02a RDX: 000000c00056be08 RSI: 000000000000050f RDI: 0000000000000001 RBP: 000000c00056be98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00056be38 R13: 0000000000000000 R14: 000000c0006fe340 R15: 00007f8165511a21 task:syz-fuzzer state:S stack:29536 pid: 1284 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c00056ded0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000186d360 RBP: 000000c00056df18 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c00003bed8 R13: 0000000000000000 R14: 000000c000092820 R15: 00007f81654de94e task:syz-fuzzer state:S stack:25608 pid: 1285 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c0008f95b0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 000000000049e02a RDX: 000000c0008f9608 RSI: 00000000000013d7 RDI: 0000000000000001 RBP: 000000c0008f9698 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0008f9638 R13: 0000000000000000 R14: 000000c00081ad00 R15: 0000000000000000 task:syz-fuzzer state:S stack:28032 pid: 1286 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c000243e40 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c0001d5550 RBP: 000000c000243e88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000000043d100 R13: 0000000000000000 R14: 000000c00028c4e0 R15: 00007f81654df315 task:syz-fuzzer state:S stack:29536 pid: 1287 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c00023fee8 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000186d258 RBP: 000000c00023ff30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000466f00 R13: 000000c000570000 R14: 000000c000092340 R15: 00007f81654de927 task:syz-fuzzer state:S stack:27312 pid: 1293 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c000347d78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c0012d0150 RBP: 000000c000347dc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00000000000001e7 R13: 0000000000000000 R14: 000000c00028dba0 R15: 0000000000000000 task:syz-fuzzer state:S stack:26192 pid: 1297 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c00056a5b0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 000000000049e02a RDX: 000000c00056a608 RSI: 00000000000013da RDI: 0000000000000001 RBP: 000000c00056a698 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00056a638 R13: 0000000000000000 R14: 000000c00081b380 R15: 0000000000000000 task:syz-fuzzer state:S stack:29480 pid: 1299 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c00056cdb0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049e02a RDX: 000000c00056ce08 RSI: 0000000000000510 RDI: 0000000000000001 RBP: 000000c00056ce98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00056ce38 R13: 0000000000000000 R14: 000000c0006fe680 R15: 00000000000001a0 task:syz-fuzzer state:S stack:29936 pid: 1302 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c0008fbdb0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049e02a RDX: 000000c0008fbe08 RSI: 0000000000000514 RDI: 0000000000000001 RBP: 000000c0008fbe98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0008fbe38 R13: 0000000000000000 R14: 000000c0006ff6c0 R15: 00007f8165511a5d task:syz-fuzzer state:S stack:27704 pid: 1303 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x4668c3 RSP: 002b:000000c000879d50 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c0012d0950 RBP: 000000c000879d98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000020800 R13: 00000000000000fa R14: 000000c00081ab60 R15: 0000000000000000 task:syz-fuzzer state:S stack:30520 pid: 1304 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 do_wait+0x5f4/0xce0 kernel/exit.c:1537 kernel_waitid+0x275/0x370 kernel/exit.c:1605 __do_sys_waitid+0x23d/0x2d0 kernel/exit.c:1618 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: 0033:0x49e02a RSP: 002b:000000c0008fadb0 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049e02a RDX: 000000c0008fae08 RSI: 0000000000000515 RDI: 0000000000000001 RBP: 000000c0008fae98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0008facf0 R13: 000000c000570400 R14: 000000c0006ff040 R15: 00007f8165511fa9 task:syz-fuzzer state:S stack:26336 pid: 4415 ppid: 1279 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 do_compat_epoll_pwait.part.0+0x29/0x1d0 fs/eventpoll.c:2268 do_epoll_pwait fs/eventpoll.c:2275 [inline] __do_sys_epoll_pwait fs/eventpoll.c:2281 [inline] __se_sys_epoll_pwait fs/eventpoll.c:2275 [inline] __x64_sys_epoll_pwait+0x1cf/0x310 fs/eventpoll.c:2275 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: 0033:0x466ae0 RSP: 002b:000000c00043b7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000466ae0 RDX: 0000000000000080 RSI: 000000c00043b840 RDI: 0000000000000003 RBP: 000000c00043be40 R08: 0000000000000000 R09: 00000031ffc0f9f7 R10: 000000000000030e R11: 0000000000000246 R12: 000000c00043b870 R13: 0000000000000000 R14: 000000c0006ffd40 R15: 0000000000000000 task:syz-executor.5 state:S stack:28096 pid: 1295 ppid: 1293 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f380f1bd666 RSP: 002b:00007ffc101f05d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000051a RCX: 00007f380f1bd666 RDX: 0000000040000000 RSI: 00007ffc101f05ec RDI: 00000000ffffffff RBP: 00007ffc101f05ec R08: 0000000000000000 R09: 00005555557ec400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffc101f06e0 R14: 00007f380f2d29b8 R15: 000000000000000c task:syz-executor.2 state:S stack:28096 pid: 1296 ppid: 1293 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7efe40484666 RSP: 002b:00007fff35116bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000051d RCX: 00007efe40484666 RDX: 0000000040000000 RSI: 00007fff35116bec RDI: 00000000ffffffff RBP: 00007fff35116bec R08: 0000000000000000 R09: 00005555562a8400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007fff35116ce0 R14: 00007efe405999b8 R15: 000000000000000c task:syz-executor.1 state:S stack:27672 pid: 1300 ppid: 1293 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7fa62ee2d666 RSP: 002b:00007ffd810bb268 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000522 RCX: 00007fa62ee2d666 RDX: 0000000040000000 RSI: 00007ffd810bb27c RDI: 00000000ffffffff RBP: 00007ffd810bb27c R08: 0000000000000000 R09: 0000555557546400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd810bb370 R14: 00007fa62ef429b8 R15: 000000000000000c task:syz-executor.3 state:S stack:28096 pid: 1301 ppid: 1293 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f04667f3666 RSP: 002b:00007ffc78d6d4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000052a RCX: 00007f04667f3666 RDX: 0000000040000000 RSI: 00007ffc78d6d4fc RDI: 00000000ffffffff RBP: 00007ffc78d6d4fc R08: 0000000000000000 R09: 0000555555b8c400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffc78d6d5f0 R14: 00007f04669089b8 R15: 000000000000000c task:syz-executor.5 state:R running task stack:24848 pid: 1306 ppid: 1295 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f380f1e3eda RSP: 002b:00007ffc101f0370 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000007e RCX: 00007f380f1e3eda RDX: 00007ffc101f03b0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc101f043c R08: 00000000000000d6 R09: 00007ffc101f4080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000000340f4 R14: 0000000000000000 R15: 00007ffc101f04a0 task:syz-executor.2 state:R running task stack:25744 pid: 1309 ppid: 1296 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7efe404aaeda RSP: 002b:00007fff35116970 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000092 RCX: 00007efe404aaeda RDX: 00007fff351169b0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fff35116a3c R08: 00000000000000d6 R09: 00007fff35193080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000000343d4 R14: 0000000000000000 R15: 00007fff35116aa0 task:syz-executor.1 state:R running task stack:25768 pid: 1314 ppid: 1300 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7fa62ee53eda RSP: 002b:00007ffd810bb000 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000008a RCX: 00007fa62ee53eda RDX: 00007ffd810bb040 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffd810bb0cc R08: 00000000000000d6 R09: 00007ffd810e1080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000033c2d R14: 0000000000000000 R15: 00007ffd810bb130 task:kworker/u4:4 state:I stack:28296 pid: 1315 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/u4:5 state:I stack:25008 pid: 1318 ppid: 2 flags:0x00004000 Workqueue: 0x0 (netns) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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:R running task stack:25320 pid: 1322 ppid: 1301 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f0466819eda RSP: 002b:00007ffc78d6d280 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000009c RCX: 00007f0466819eda RDX: 00007ffc78d6d2c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc78d6d34c R08: 00000000000000d6 R09: 00007ffc78da8080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000003424d R14: 0000000000000000 R15: 00007ffc78d6d3b0 task:kworker/u4:6 state:I stack:28512 pid: 1326 ppid: 2 flags:0x00004000 Workqueue: 0x0 (ext4-rsv-conversion) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/u4:7 state:I stack:23696 pid: 1383 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/u4:8 state:I stack:30928 pid: 1840 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/0:3 state:I stack:23952 pid: 4085 ppid: 2 flags:0x00004000 Workqueue: 0x0 (usb_hub_wq) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/0:4 state:I stack:24160 pid: 4089 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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:29672 pid: 4139 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/0:6 state:D stack:23248 pid: 4140 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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_debounce+0x1b9/0x3c0 drivers/usb/core/hub.c:4569 hub_port_debounce_be_stable drivers/usb/core/hub.h:170 [inline] hub_port_connect drivers/usb/core/hub.c:5209 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x2f60/0x4690 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/1:3 state:D stack:18824 pid: 4146 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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:543 __device_release_driver drivers/base/dd.c:1222 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1248 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3615 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:545 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:537 __device_release_driver drivers/base/dd.c:1222 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1248 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3615 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/0:7 state:I stack:30192 pid: 4178 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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/1:4 state:D stack:22816 pid: 4184 ppid: 2 flags:0x00004000 Workqueue: rcu_gp wait_rcu_exp_gp Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 synchronize_rcu_expedited_wait_once kernel/rcu/tree_exp.h:569 [inline] synchronize_rcu_expedited_wait kernel/rcu/tree_exp.h:620 [inline] rcu_exp_wait_wake+0x280/0xd70 kernel/rcu/tree_exp.h:685 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/1:5 state:S stack:22296 pid: 4215 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 input_register_device.cold+0x34/0x304 drivers/input/input.c:2378 hidinput_connect+0x4eb7/0x9900 drivers/hid/hid-input.c:2255 hid_connect+0x1394/0x17c0 drivers/hid/hid-core.c:2164 hid_hw_start drivers/hid/hid-core.c:2277 [inline] hid_hw_start+0xa2/0x130 drivers/hid/hid-core.c:2268 hid_device_probe+0x396/0x3f0 drivers/hid/hid-core.c:2602 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x23e/0xb90 drivers/base/dd.c:634 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:989 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbda/0x1ea0 drivers/base/core.c:3428 hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2748 usbhid_probe+0xb49/0x1040 drivers/hid/usbhid/hid-core.c:1424 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x23e/0xb90 drivers/base/dd.c:634 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:989 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbda/0x1ea0 drivers/base/core.c:3428 usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x23e/0xb90 drivers/base/dd.c:634 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:989 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbda/0x1ea0 drivers/base/core.c:3428 usb_new_device.cold+0x641/0x1091 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+0x25d5/0x4690 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/1:6 state:I stack:30192 pid: 4322 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_power_efficient) Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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.4 state:S stack:28096 pid: 5079 ppid: 1285 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7fb61bb1f666 RSP: 002b:00007ffed79f05a8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000013d8 RCX: 00007fb61bb1f666 RDX: 0000000040000000 RSI: 00007ffed79f05bc RDI: 00000000ffffffff RBP: 00007ffed79f05bc R08: 0000000000000000 R09: 0000555556dc2400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffed79f06b0 R14: 00007fb61bc349b8 R15: 000000000000000c task:syz-executor.4 state:S stack:25744 pid: 5080 ppid: 5079 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7fb61bb45eda RSP: 002b:00007ffed79f0340 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fb61bb45eda RDX: 00007ffed79f0380 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed79f040c R08: 00000000000000d6 R09: 00007ffed79f7080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000034395 R14: 000000000000000c R15: 00007ffed79f0470 task:syz-executor.0 state:S stack:28096 pid: 5082 ppid: 1297 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f1c94b40666 RSP: 002b:00007ffd378f6878 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000013e5 RCX: 00007f1c94b40666 RDX: 0000000040000000 RSI: 00007ffd378f688c RDI: 00000000ffffffff RBP: 00007ffd378f688c R08: 0000000000000000 R09: 00005555562b3400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd378f6980 R14: 00007f1c94c559b8 R15: 000000000000000c task:syz-executor.0 state:R running task stack:25600 pid: 5093 ppid: 5082 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 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: 0033:0x7f1c94b66eda RSP: 002b:00007ffd378f6610 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f1c94b66eda RDX: 00007ffd378f6650 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffd378f66dc R08: 00000000000000d6 R09: 00007ffd379d4080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000033c42 R14: 0000000000000001 R15: 00007ffd378f6740 task:udevd state:D stack:28112 pid: 5916 ppid: 1180 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 synchronize_rcu_expedited+0x46f/0x610 kernel/rcu/tree_exp.h:942 synchronize_rcu+0x130/0x190 kernel/rcu/tree.c:3843 evdev_detach_client drivers/input/evdev.c:386 [inline] evdev_release+0x23f/0x410 drivers/input/evdev.c:449 __fput+0x277/0x9d0 fs/file_table.c:317 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x1f7/0x200 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 ---------------- Code disassembly (best guess): 0: c0 03 0f rolb $0xf,(%rbx) 3: b6 14 mov $0x14,%dh 5: 11 38 adc %edi,(%rax) 7: d0 7c 08 84 sarb -0x7c(%rax,%rcx,1) b: d2 0f rorb %cl,(%rdi) d: 85 e1 test %esp,%ecx f: 00 00 add %al,(%rax) 11: 00 8b 15 58 ce 71 add %cl,0x71ce5815(%rbx) 17: 0a 65 01 or 0x1(%rbp),%ah 1a: 1d d1 a6 e2 7e sbb $0x7ee2a6d1,%eax 1f: 85 d2 test %edx,%edx 21: 75 11 jne 0x34 23: 65 8b 05 c6 a6 e2 7e mov %gs:0x7ee2a6c6(%rip),%eax # 0x7ee2a6f0 * 2a: 0f b6 c0 movzbl %al,%eax <-- trapping instruction 2d: 3d f4 00 00 00 cmp $0xf4,%eax 32: 7f 64 jg 0x98 34: 65 8b 05 b5 a6 e2 7e mov %gs:0x7ee2a6b5(%rip),%eax # 0x7ee2a6f0 3b: 25 ff ff ff 7f and $0x7fffffff,%eax