__do_sys_readlink fs/stat.c:489 [inline] __se_sys_readlink fs/stat.c:486 [inline] __x64_sys_readlink+0x74/0xb0 fs/stat.c:486 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+0x46/0xb0 RIP: 0033:0x7f216226f277 ================================ WARNING: inconsistent lock state 5.19.0-rc4-syzkaller-00118-g8affe37c525d #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. udevd/1182 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b82078 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b82078 (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:1200 start_kernel+0x3cf/0x48f init/main.c:1098 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 21721299 hardirqs last enabled at (21721298): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (21721298): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (21721299): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (21721299): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (21708736): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (21708736): [] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 softirqs last disabled at (21721295): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (21721295): [] __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/1182: #0: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #0: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1464 #1: ffff888117f7e230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:456 [inline] #1: ffff888117f7e230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x7b/0xb0 drivers/input/input.c:449 #2: ffffffff87a94700 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:884 #3: ffffffff87eb1e38 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #3: ffffffff87eb1e38 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1780 drivers/tty/vt/keyboard.c:1537 #4: ffffffff87a94700 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8763 stack backtrace: CPU: 1 PID: 1182 Comm: udevd Not tainted 5.19.0-rc4-syzkaller-00118-g8affe37c525d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 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+0x30c/0x660 drivers/hid/hid-core.c:1631 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+0x367/0x410 drivers/usb/core/hcd.c:1747 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+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:preempt_count_sub+0x37/0x150 kernel/sched/core.c:5634 Code: 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e4 00 00 00 8b 0d 29 b6 71 0a <85> c9 75 1b 65 8b 05 9e ce e2 7e 89 c2 81 e2 ff ff ff 7f 39 da 7c RSP: 0018:ffffc90000597980 EFLAGS: 00000297 RAX: 0000000000000003 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000004 RSI: ffffc90000597e10 RDI: 0000000000000001 RBP: ffffc90000590000 R08: ffffffff89333f52 R09: ffffc90000597a34 R10: fffff520000b2f4b R11: ffffc90000597e38 R12: ffffc90000597a35 R13: ffffc90000597a00 R14: ffffc90000597e10 R15: ffffffff89333f56 unwind_next_frame+0xfa9/0x1cc0 arch/x86/kernel/unwind_orc.c:624 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_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0x10f/0x190 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1754 [inline] slab_free_freelist_hook mm/slub.c:1780 [inline] slab_free mm/slub.c:3536 [inline] kmem_cache_free+0xcd/0x5c0 mm/slub.c:3553 putname fs/namei.c:271 [inline] putname+0xfe/0x140 fs/namei.c:257 user_path_at_empty+0x4d/0x60 fs/namei.c:2897 do_readlinkat+0xcd/0x2f0 fs/stat.c:456 __do_sys_readlink fs/stat.c:489 [inline] __se_sys_readlink fs/stat.c:486 [inline] __x64_sys_readlink+0x74/0xb0 fs/stat.c:486 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+0x46/0xb0 RIP: 0033:0x7f216226f277 Code: 73 01 c3 48 8b 0d 01 dc 0c 00 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 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d1 db 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff2fe390e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007fff2fe390f8 RCX: 00007f216226f277 RDX: 0000000000000400 RSI: 00007fff2fe390f8 RDI: 00007fff2fe395d8 RBP: 0000000000000400 R08: 0000000000ffffff R09: 000056432a958ce0 R10: 00007f21622fcfc0 R11: 0000000000000246 R12: 00007fff2fe395d8 R13: 00007fff2fe39548 R14: 000056432a948910 R15: 0000000000000000 Code: 73 01 c3 48 8b 0d 01 dc 0c 00 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 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d1 db 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff2fe390e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007fff2fe390f8 RCX: 00007f216226f277 RDX: 0000000000000400 RSI: 00007fff2fe390f8 RDI: 00007fff2fe395d8 RBP: 0000000000000400 R08: 0000000000ffffff R09: 000056432a958ce0 R10: 00007f21622fcfc0 R11: 0000000000000246 R12: 00007fff2fe395d8 R13: 00007fff2fe39548 R14: 000056432a948910 R15: 0000000000000000 task:dbus-daemon state:S stack:28720 pid: 1205 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+0x46/0xb0 RIP: 0033:0x7faace7b5e46 RSP: 002b:00007ffdb4c157f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ffdb4c15808 RCX: 00007faace7b5e46 RDX: 0000000000000040 RSI: 00007ffdb4c15808 RDI: 0000000000000003 RBP: 00007ffdb4c15b98 R08: 000000000000000a R09: 00007ffdb4c71080 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffdb4c15b98 R15: 00007ffdb4c15e3c task:dhcpcd state:S stack:27384 pid: 1218 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+0x46/0xb0 RIP: 0033:0x7f5567a189fb RSP: 002b:00007ffc34bd2570 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055a59d02ce20 RCX: 00007f5567a189fb RDX: 00007ffc34bd2590 RSI: 0000000000000004 RDI: 000055a59d04a1f0 RBP: 00007ffc34bd28b0 R08: 0000000000000008 R09: 00007ffc34be9080 R10: 00007ffc34bd28b0 R11: 0000000000000246 R12: 00007ffc34bd2590 R13: 000055a59bbb0610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:24112 pid: 1219 ppid: 1218 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+0x46/0xb0 RIP: 0033:0x7f5567a189fb RSP: 002b:00007ffc34bd2570 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055a59d02ce20 RCX: 00007f5567a189fb RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000055a59d02ce00 RBP: 00007ffc34bd28b0 R08: 0000000000000008 R09: 00007ffc34bc2428 R10: 00007ffc34bd28b0 R11: 0000000000000246 R12: 0000000000000000 R13: 000055a59bbb0610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28296 pid: 1220 ppid: 1218 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+0x46/0xb0 RIP: 0033:0x7f5567a189fb RSP: 002b:00007ffc34bd2570 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055a59d02ce20 RCX: 00007f5567a189fb RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000055a59d036650 RBP: 00007ffc34bd28b0 R08: 0000000000000008 R09: 00007f5567ae4a60 R10: 00007ffc34bd28b0 R11: 0000000000000246 R12: 0000000000000000 R13: 000055a59bbb0610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28280 pid: 1221 ppid: 1218 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+0x46/0xb0 RIP: 0033:0x7f5567a189fb RSP: 002b:00007ffc34bd2570 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055a59d02ce20 RCX: 00007f5567a189fb RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000055a59d036650 RBP: 00007ffc34bd28b0 R08: 0000000000000008 R09: 00007f5567ae4a60 R10: 00007ffc34bd28b0 R11: 0000000000000246 R12: 0000000000000000 R13: 000055a59bbb0610 R14: 0000000000000003 R15: 0000000000000000 task:sshd state:S stack:27968 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_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+0x46/0xb0 RIP: 0033:0x7f1ae81bcd83 RSP: 002b:00007ffe53792940 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ae81bcd83 RDX: 0000000000000000 RSI: 0000557b7737c780 RDI: 0000000000000007 RBP: 00007ffe53792b28 R08: 0000000000000000 R09: 00007ffe53792980 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000064 R13: 0000557b7737c780 R14: 000000000000018c R15: 0000557b75a89e85 task:getty state:S stack:24392 pid: 1241 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+0x46/0xb0 RIP: 0033:0x7fc4d51738fe RSP: 002b:00007ffd2d618608 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000558a1d784910 RCX: 00007fc4d51738fe RDX: 0000000000000001 RSI: 00007ffd2d618620 RDI: 0000000000000000 RBP: 0000558a1d784970 R08: 0000000000000007 R09: 0000558a1d785cd0 R10: 0000000000000063 R11: 0000000000000246 R12: 0000558a1d7849ac R13: 00007ffd2d618620 R14: 0000000000000000 R15: 0000558a1d7849ac task:dhcpcd state:S stack:27672 pid: 1243 ppid: 1219 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+0x46/0xb0 RIP: 0033:0x7f5567a189fb RSP: 002b:00007ffc34bd2570 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055a59d02ce20 RCX: 00007f5567a189fb RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055a59d037cc0 RBP: 00007ffc34bd28b0 R08: 0000000000000008 R09: 00000000800a0142 R10: 00007ffc34bd28b0 R11: 0000000000000246 R12: 0000000000000000 R13: 000055a59bbb0610 R14: 0000000000000003 R15: 0000000000000000 task:sshd state:S stack:25896 pid: 1281 ppid: 1239 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+0x46/0xb0 RIP: 0033:0x7f7fd2d08d83 RSP: 002b:00007fff96ad0ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f7fd2d08d83 RDX: 000055da21558370 RSI: 000055da215616d0 RDI: 000000000000000a RBP: 000055da21565f40 R08: 00007fff96ad0ed0 R09: 00007fff96ad0ee0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000001 R14: 00007fff96ad0f58 R15: 00007fff96ad0fd8 task:syz-fuzzer state:S stack:25080 pid: 1283 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:00007fffcb92d130 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000183b910 RBP: 00007fffcb92d178 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00007fffcb92d1a0 R13: 0000000000000000 R14: 000000000183b3e0 R15: 0000000000000000 task:syz-fuzzer state:S stack:26192 pid: 1284 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c000041e78 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000183cf38 RBP: 000000c000041ec0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c000041eb0 R11: 0000000000000202 R12: 000000c000041eb0 R13: 000000c000535400 R14: 000000c0000004e0 R15: 00007f30b7a831f7 task:syz-fuzzer state:S stack:25608 pid: 1285 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x466ae0 RSP: 002b:000000c0000437e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000466ae0 RDX: 0000000000000080 RSI: 000000c000043840 RDI: 0000000000000003 RBP: 000000c000043e40 R08: 0000000000000000 R09: 0000010775cff192 R10: 0000000000000312 R11: 0000000000000246 R12: 000000c000043870 R13: 0000000000000004 R14: 000000c0000009c0 R15: 000001114a7cf3f4 task:syz-fuzzer state:S stack:25400 pid: 1286 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c00003dd78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000032950 RBP: 000000c00003ddc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c00003dde8 R13: 0000000000000000 R14: 000000c000000d00 R15: 0000000000000000 task:syz-fuzzer state:S stack:28840 pid: 1287 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c00003fe40 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c00009e150 RBP: 000000c00003fe88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000000043d100 R13: 0000000000000000 R14: 000000c0000824e0 R15: 0000000000000000 task:syz-fuzzer state:S stack:29752 pid: 1288 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c000531ed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000186bb40 RBP: 000000c000531f18 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c0002bded8 R13: 0000000000000000 R14: 000000c0002ce680 R15: 00007f30b7a95741 task:syz-fuzzer state:S stack:29752 pid: 1289 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c0002b9ee8 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000186ba38 RBP: 000000c0002b9f30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000466f00 R13: 000000c000534000 R14: 000000c0002ce4e0 R15: 00007f30b7a95734 task:syz-fuzzer state:S stack:24944 pid: 1291 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c0006ddd78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000534550 RBP: 000000c0006dddc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00000000000000c7 R13: 0000000000000000 R14: 000000c0002ced00 R15: 0000000000000000 task:syz-fuzzer state:S stack:25984 pid: 5848 ppid: 1281 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+0x46/0xb0 RIP: 0033:0x4668c3 RSP: 002b:000000c000963d78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000535550 RBP: 000000c000963dc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000022800 R13: 0000000000000004 R14: 000000c000083d40 R15: 0000000000000000 task:syz-executor.0 state:S stack:28096 pid: 1295 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+0x46/0xb0 RIP: 0033:0x7f42f2bb1566 RSP: 002b:00007ffedaace2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000515 RCX: 00007f42f2bb1566 RDX: 0000000040000000 RSI: 00007ffedaace2fc RDI: 00000000ffffffff RBP: 00007ffedaace2fc R08: 0000000000000000 R09: 000055555562b400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffedaace3f0 R14: 00007f42f2cc69b8 R15: 000000000000000c task:syz-executor.5 state:S stack:27872 pid: 1296 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+0x46/0xb0 RIP: 0033:0x7f67a1852566 RSP: 002b:00007ffe60277eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000517 RCX: 00007f67a1852566 RDX: 0000000040000000 RSI: 00007ffe60277ecc RDI: 00000000ffffffff RBP: 00007ffe60277ecc R08: 0000000000000000 R09: 0000555556d69400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffe60277fc0 R14: 00007f67a19679b8 R15: 000000000000000c task:syz-executor.4 state:S stack:27736 pid: 1297 ppid: 1283 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+0x46/0xb0 RIP: 0033:0x7fcf27566566 RSP: 002b:00007ffd24b41758 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000519 RCX: 00007fcf27566566 RDX: 0000000040000000 RSI: 00007ffd24b4176c RDI: 00000000ffffffff RBP: 00007ffd24b4176c R08: 0000000000000000 R09: 0000555556886400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd24b41860 R14: 00007fcf2767b9b8 R15: 000000000000000c task:syz-executor.1 state:S stack:28096 pid: 1298 ppid: 1283 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+0x46/0xb0 RIP: 0033:0x7f2aab569566 RSP: 002b:00007ffd3fb8f408 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000051d RCX: 00007f2aab569566 RDX: 0000000040000000 RSI: 00007ffd3fb8f41c RDI: 00000000ffffffff RBP: 00007ffd3fb8f41c R08: 0000000000000000 R09: 00005555561cb400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd3fb8f510 R14: 00007f2aab67e9b8 R15: 000000000000000c task:syz-executor.3 state:S stack:28096 pid: 1300 ppid: 1283 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+0x46/0xb0 RIP: 0033:0x7fd856af8566 RSP: 002b:00007ffd6fa5b808 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000523 RCX: 00007fd856af8566 RDX: 0000000040000000 RSI: 00007ffd6fa5b81c RDI: 00000000ffffffff RBP: 00007ffd6fa5b81c R08: 0000000000000000 R09: 0000555556da0400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd6fa5b910 R14: 00007fd856c0d9b8 R15: 000000000000000c task:syz-executor.0 state:D stack:25768 pid: 1301 ppid: 1295 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7f42f2bd7f17 RSP: 002b:00007ffedaaccfb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 000055555562cb00 RCX: 00007f42f2bd7f17 RDX: 0000000000008000 RSI: 000055555562cb30 RDI: 0000000000000003 RBP: 000055555562cb30 R08: 0000000000000030 R09: 00007f42f2c99640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 000055555562cb04 R14: 0000000000000016 R15: 00007ffedaace1b0 task:syz-executor.5 state:D stack:25768 pid: 1303 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7f67a1878f17 RSP: 002b:00007ffe60276b88 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556d6ab00 RCX: 00007f67a1878f17 RDX: 0000000000008000 RSI: 0000555556d6ab30 RDI: 0000000000000003 RBP: 0000555556d6ab30 R08: 0000000000000030 R09: 00007f67a193a640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 0000555556d6ab04 R14: 0000000000000016 R15: 00007ffe60277d80 task:syz-executor.4 state:D stack:24000 pid: 1305 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7fcf2758cf17 RSP: 002b:00007ffd24b40428 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556887b00 RCX: 00007fcf2758cf17 RDX: 0000000000008000 RSI: 0000555556887b30 RDI: 0000000000000003 RBP: 0000555556887b30 R08: 0000000000000030 R09: 00007fcf2764e640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 0000555556887b04 R14: 0000000000000016 R15: 00007ffd24b41620 task:syz-executor.1 state:D stack:25768 pid: 1309 ppid: 1298 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7f2aab58ff17 RSP: 002b:00007ffd3fb8e0d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00005555561ccb00 RCX: 00007f2aab58ff17 RDX: 0000000000008000 RSI: 00005555561ccb30 RDI: 0000000000000003 RBP: 00005555561ccb30 R08: 0000000000000030 R09: 00007f2aab651640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 00005555561ccb04 R14: 0000000000000016 R15: 00007ffd3fb8f2d0 task:syz-executor.3 state:D stack:25512 pid: 1315 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7fd856b1ef17 RSP: 002b:00007ffd6fa5a4d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556da1b00 RCX: 00007fd856b1ef17 RDX: 0000000000008000 RSI: 0000555556da1b30 RDI: 0000000000000003 RBP: 0000555556da1b30 R08: 0000000000000030 R09: 00007fd856be0640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 0000555556da1b04 R14: 0000000000000016 R15: 00007ffd6fa5b6d0 task:kworker/u4:7 state:I stack:23696 pid: 1329 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:302 task:kworker/1:4 state:I stack:22464 pid: 4054 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:302 task:kworker/0:4 state:I stack:22200 pid: 4100 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:302 task:kworker/1:7 state:I stack:21216 pid: 4189 ppid: 2 flags:0x00004000 Workqueue: 0x0 (pm) 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:302 task:kworker/0:6 state:I stack:22240 pid: 4436 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:302 task:kworker/0:7 state:D stack:18544 pid: 4823 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:3604 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:3604 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:302 task:kworker/0:8 state:D stack:22512 pid: 4824 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_verify_work 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 addrconf_verify_work+0xe/0x20 net/ipv6/addrconf.c:4620 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:302 task:syz-executor.2 state:S stack:28096 pid: 5860 ppid: 5848 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+0x46/0xb0 RIP: 0033:0x7fa9a8d75566 RSP: 002b:00007ffd6509f918 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000016eb RCX: 00007fa9a8d75566 RDX: 0000000040000000 RSI: 00007ffd6509f92c RDI: 00000000ffffffff RBP: 00007ffd6509f92c R08: 0000000000000000 R09: 0000555555a2e400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffd6509fa20 R14: 00007fa9a8e8a9b8 R15: 000000000000000c task:syz-executor.2 state:D stack:25768 pid: 5867 ppid: 5860 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 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 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+0x888/0xf80 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:5749 __ext4_mark_inode_dirty+0x17b/0x8d0 fs/ext4/inode.c:5915 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:5952 __mark_inode_dirty+0x495/0x1050 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:2386 [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+0x46/0xb0 RIP: 0033:0x7fa9a8d9bf17 RSP: 002b:00007ffd6509e5e8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555555a2fb00 RCX: 00007fa9a8d9bf17 RDX: 0000000000008000 RSI: 0000555555a2fb30 RDI: 0000000000000003 RBP: 0000555555a2fb30 R08: 0000000000000030 R09: 00007fa9a8e5d640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 0000555555a2fb04 R14: 0000000000000016 R15: 00007ffd6509f7e0 task:kworker/1:3 state:D stack:22192 pid: 8482 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 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x378/0x530 kernel/sched/completion.c:106 usb_start_wait_urb+0x144/0x4c0 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 usb_control_msg_send+0xc2/0x110 drivers/usb/core/message.c:213 usb_set_configuration+0xe17/0x1900 drivers/usb/core/message.c:2111 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:3417 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:302 task:kworker/1:8 state:I stack:28936 pid: 8545 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:302 task:kworker/0:5 state:I stack:28936 pid: 9602 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:302 task:kworker/0:9 state:D stack:22520 pid: 9603 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 synchronize_rcu_expedited+0x46f/0x610 kernel/rcu/tree_exp.h:942 synchronize_net+0x3a/0x50 net/core/dev.c:10741 dev_deactivate_many+0x29f/0x9e0 net/sched/sch_generic.c:1336 __dev_close_many+0x133/0x2e0 net/core/dev.c:1503 dev_close_many+0x22c/0x630 net/core/dev.c:1541 unregister_netdevice_many+0x3ff/0x1850 net/core/dev.c:10813 unregister_netdevice_queue net/core/dev.c:10770 [inline] unregister_netdevice_queue+0x2dd/0x3c0 net/core/dev.c:10760 unregister_netdevice include/linux/netdevice.h:3018 [inline] ieee802154_remove_interfaces+0x174/0x260 net/mac802154/iface.c:706 ieee802154_unregister_hw+0x4d/0xc0 net/mac802154/main.c:260 atusb_disconnect+0x173/0x2f0 drivers/net/ieee802154/atusb.c:1054 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:3604 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 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0x854/0x1080 kernel/workqueue.c:2438 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 task:kworker/u4:0 state:I stack:26960 pid:10472 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:302 task:udevd state:S stack:27968 pid:12431 ppid: 1182 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+0x46/0xb0 RIP: 0033:0x7f216227be46 RSP: 002b:00007fff2fe39cb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f216227be46 RDX: 0000000000000004 RSI: 00007fff2fe39cf8 RDI: 0000000000000004 RBP: 000056432a96e190 R08: 0000000000000007 R09: 000056432a951b70 R10: 00000000ffffffff R11: 0000000000000246 R12: 000056432a97c340 R13: 00007fff2fe39cf8 R14: 00000000ffffffff R15: 000056432a948910 task:udevd state:S stack:27280 pid:12432 ppid: 1182 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_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 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:207 [inline] kernfs_fop_read_iter+0x3b6/0x6e0 fs/kernfs/file.c:236 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+0x46/0xb0 RIP: 0033:0x7f216226d8fe RSP: 002b:00007fff2fe24188 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f216226d8fe RDX: 0000000000010011 RSI: 00007fff2fe241b7 RDI: 0000000000000008 RBP: 00007fff2fe34888 R08: 00007f216233da00 R09: 000056432a9675e0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 0000000000000000 R14: 00007fff2fe241b7 R15: 0000564329693a7c task:udevd state:S stack:27408 pid:12444 ppid: 1182 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+0x46/0xb0 RIP: 0033:0x7f216227be46 RSP: 002b:00007fff2fe39cb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f216227be46 RDX: 0000000000000004 RSI: 00007fff2fe39cf8 RDI: 0000000000000004 RBP: 000056432a95e290 R08: 0000000000000007 R09: 000056432a951b70 R10: 00000000ffffffff R11: 0000000000000246 R12: 000056432a952b60 R13: 00007fff2fe39cf8 R14: 00000000ffffffff R15: 000056432a948910 task:udevd state:S stack:28440 pid:12454 ppid: 1182 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 ---------------- Code disassembly (best guess), 6 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: c1 83 e0 07 48 c1 e9 roll $0xe9,-0x3eb7f820(%rbx) a: 03 83 c0 03 0f b6 add -0x49f0fc40(%rbx),%eax 10: 14 11 adc $0x11,%al 12: 38 d0 cmp %dl,%al 14: 7c 08 jl 0x1e 16: 84 d2 test %dl,%dl 18: 0f 85 e4 00 00 00 jne 0x102 1e: 8b 0d 29 b6 71 0a mov 0xa71b629(%rip),%ecx # 0xa71b64d * 24: 85 c9 test %ecx,%ecx <-- trapping instruction 26: 75 1b jne 0x43 28: 65 8b 05 9e ce e2 7e mov %gs:0x7ee2ce9e(%rip),%eax # 0x7ee2cecd 2f: 89 c2 mov %eax,%edx 31: 81 e2 ff ff ff 7f and $0x7fffffff,%edx 37: 39 da cmp %ebx,%edx 39: 7c .byte 0x7c