Warning: Permanently added '10.128.1.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 75.180428][ T3750] [ 75.182825][ T3750] ===================================================== [ 75.189841][ T3750] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 75.197265][ T3750] 5.16.0-rc4-syzkaller #0 Not tainted [ 75.202612][ T3750] ----------------------------------------------------- [ 75.209512][ T3750] syz-executor835/3750 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 75.217552][ T3750] ffffffff8b80a098 (tasklist_lock){.+.+}-{2:2}, at: send_sigio+0xab/0x380 [ 75.226073][ T3750] [ 75.226073][ T3750] and this task is already holding: [ 75.233412][ T3750] ffff88801c0172b8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x24/0x380 [ 75.242168][ T3750] which would create a new lock dependency: [ 75.248028][ T3750] (&f->f_owner.lock){....}-{2:2} -> (tasklist_lock){.+.+}-{2:2} [ 75.255745][ T3750] [ 75.255745][ T3750] but this new dependency connects a HARDIRQ-irq-safe lock: [ 75.265220][ T3750] (&dev->event_lock){-...}-{2:2} [ 75.265237][ T3750] [ 75.265237][ T3750] ... which became HARDIRQ-irq-safe at: [ 75.278028][ T3750] lock_acquire+0x1ab/0x510 [ 75.282636][ T3750] _raw_spin_lock_irqsave+0x39/0x50 [ 75.287950][ T3750] input_event+0x7b/0xb0 [ 75.292259][ T3750] psmouse_report_standard_buttons+0x2c/0x80 [ 75.298312][ T3750] psmouse_process_byte+0x1e1/0x890 [ 75.303670][ T3750] psmouse_handle_byte+0x41/0x1b0 [ 75.308843][ T3750] psmouse_interrupt+0x304/0xf00 [ 75.314003][ T3750] serio_interrupt+0x88/0x150 [ 75.318746][ T3750] i8042_interrupt+0x27a/0x520 [ 75.323590][ T3750] __handle_irq_event_percpu+0x303/0x8f0 [ 75.329294][ T3750] handle_irq_event+0x102/0x280 [ 75.334360][ T3750] handle_edge_irq+0x25f/0xd00 [ 75.339278][ T3750] __common_interrupt+0x9d/0x210 [ 75.344399][ T3750] common_interrupt+0xa4/0xc0 [ 75.349147][ T3750] asm_common_interrupt+0x1e/0x40 [ 75.354256][ T3750] _raw_spin_unlock_irqrestore+0x38/0x70 [ 75.359951][ T3750] i8042_command+0x12e/0x150 [ 75.364602][ T3750] i8042_aux_write+0xd7/0x120 [ 75.369387][ T3750] ps2_do_sendbyte+0x2cd/0x710 [ 75.374209][ T3750] ps2_sendbyte+0x58/0x150 [ 75.378688][ T3750] cypress_ps2_sendbyte+0x2e/0x160 [ 75.383965][ T3750] cypress_send_ext_cmd+0x1d0/0x8e0 [ 75.389326][ T3750] cypress_detect+0x75/0x190 [ 75.394001][ T3750] psmouse_try_protocol+0x211/0x370 [ 75.399268][ T3750] psmouse_extensions+0x557/0x930 [ 75.404372][ T3750] psmouse_switch_protocol+0x52a/0x740 [ 75.409898][ T3750] psmouse_connect+0x5e9/0xfb0 [ 75.414722][ T3750] serio_driver_probe+0x72/0xa0 [ 75.419638][ T3750] really_probe+0x245/0xcc0 [ 75.424203][ T3750] __driver_probe_device+0x338/0x4d0 [ 75.429578][ T3750] driver_probe_device+0x4c/0x1a0 [ 75.434686][ T3750] __driver_attach+0x22d/0x4e0 [ 75.439552][ T3750] bus_for_each_dev+0x147/0x1d0 [ 75.444462][ T3750] serio_handle_event+0x5f6/0xa30 [ 75.449552][ T3750] process_one_work+0x9b2/0x1690 [ 75.454552][ T3750] worker_thread+0x658/0x11f0 [ 75.459290][ T3750] kthread+0x405/0x4f0 [ 75.463423][ T3750] ret_from_fork+0x1f/0x30 [ 75.467905][ T3750] [ 75.467905][ T3750] to a HARDIRQ-irq-unsafe lock: [ 75.474892][ T3750] (tasklist_lock){.+.+}-{2:2} [ 75.474909][ T3750] [ 75.474909][ T3750] ... which became HARDIRQ-irq-unsafe at: [ 75.487486][ T3750] ... [ 75.487491][ T3750] lock_acquire+0x1ab/0x510 [ 75.494631][ T3750] _raw_read_lock+0x5b/0x70 [ 75.499200][ T3750] do_wait+0x284/0xce0 [ 75.503344][ T3750] kernel_wait+0x9c/0x150 [ 75.507760][ T3750] call_usermodehelper_exec_work+0xf5/0x180 [ 75.513745][ T3750] process_one_work+0x9b2/0x1690 [ 75.518750][ T3750] worker_thread+0x658/0x11f0 [ 75.523511][ T3750] kthread+0x405/0x4f0 [ 75.527647][ T3750] ret_from_fork+0x1f/0x30 [ 75.532237][ T3750] [ 75.532237][ T3750] other info that might help us debug this: [ 75.532237][ T3750] [ 75.542553][ T3750] Chain exists of: [ 75.542553][ T3750] &dev->event_lock --> &f->f_owner.lock --> tasklist_lock [ 75.542553][ T3750] [ 75.555590][ T3750] Possible interrupt unsafe locking scenario: [ 75.555590][ T3750] [ 75.563900][ T3750] CPU0 CPU1 [ 75.569256][ T3750] ---- ---- [ 75.574596][ T3750] lock(tasklist_lock); [ 75.578914][ T3750] local_irq_disable(); [ 75.585640][ T3750] lock(&dev->event_lock); [ 75.592641][ T3750] lock(&f->f_owner.lock); [ 75.599642][ T3750] [ 75.603070][ T3750] lock(&dev->event_lock); [ 75.607728][ T3750] [ 75.607728][ T3750] *** DEADLOCK *** [ 75.607728][ T3750] [ 75.615845][ T3750] 9 locks held by syz-executor835/3750: [ 75.621364][ T3750] #0: ffff88801df50110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1d3/0x760 [ 75.630559][ T3750] #1: ffff8881468e8230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0xa6/0x320 [ 75.640446][ T3750] #2: ffffffff8bb83e60 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x92/0x320 [ 75.650073][ T3750] #3: ffffffff8bb83e60 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 [ 75.660130][ T3750] #4: ffffffff8bb83e60 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x59/0x3e0 [ 75.669236][ T3750] #5: ffff8880741ae028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x970 [ 75.680013][ T3750] #6: ffffffff8bb83e60 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x41/0x470 [ 75.689039][ T3750] #7: ffff88801c739be8 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x136/0x470 [ 75.698164][ T3750] #8: ffff88801c0172b8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x24/0x380 [ 75.707532][ T3750] [ 75.707532][ T3750] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 75.717917][ T3750] -> (&dev->event_lock){-...}-{2:2} { [ 75.723548][ T3750] IN-HARDIRQ-W at: [ 75.727770][ T3750] lock_acquire+0x1ab/0x510 [ 75.735664][ T3750] _raw_spin_lock_irqsave+0x39/0x50 [ 75.743014][ T3750] input_event+0x7b/0xb0 [ 75.749407][ T3750] psmouse_report_standard_buttons+0x2c/0x80 [ 75.757726][ T3750] psmouse_process_byte+0x1e1/0x890 [ 75.765246][ T3750] psmouse_handle_byte+0x41/0x1b0 [ 75.772442][ T3750] psmouse_interrupt+0x304/0xf00 [ 75.779551][ T3750] serio_interrupt+0x88/0x150 [ 75.786400][ T3750] i8042_interrupt+0x27a/0x520 [ 75.793430][ T3750] __handle_irq_event_percpu+0x303/0x8f0 [ 75.801308][ T3750] handle_irq_event+0x102/0x280 [ 75.809119][ T3750] handle_edge_irq+0x25f/0xd00 [ 75.816049][ T3750] __common_interrupt+0x9d/0x210 [ 75.823157][ T3750] common_interrupt+0xa4/0xc0 [ 75.829982][ T3750] asm_common_interrupt+0x1e/0x40 [ 75.837263][ T3750] _raw_spin_unlock_irqrestore+0x38/0x70 [ 75.845049][ T3750] i8042_command+0x12e/0x150 [ 75.851925][ T3750] i8042_aux_write+0xd7/0x120 [ 75.858768][ T3750] ps2_do_sendbyte+0x2cd/0x710 [ 75.865683][ T3750] ps2_sendbyte+0x58/0x150 [ 75.872263][ T3750] cypress_ps2_sendbyte+0x2e/0x160 [ 75.879529][ T3750] cypress_send_ext_cmd+0x1d0/0x8e0 [ 75.886909][ T3750] cypress_detect+0x75/0x190 [ 75.893852][ T3750] psmouse_try_protocol+0x211/0x370 [ 75.901234][ T3750] psmouse_extensions+0x557/0x930 [ 75.908430][ T3750] psmouse_switch_protocol+0x52a/0x740 [ 75.916109][ T3750] psmouse_connect+0x5e9/0xfb0 [ 75.923028][ T3750] serio_driver_probe+0x72/0xa0 [ 75.930033][ T3750] really_probe+0x245/0xcc0 [ 75.936773][ T3750] __driver_probe_device+0x338/0x4d0 [ 75.944385][ T3750] driver_probe_device+0x4c/0x1a0 [ 75.951560][ T3750] __driver_attach+0x22d/0x4e0 [ 75.958575][ T3750] bus_for_each_dev+0x147/0x1d0 [ 75.965577][ T3750] serio_handle_event+0x5f6/0xa30 [ 75.972759][ T3750] process_one_work+0x9b2/0x1690 [ 75.979880][ T3750] worker_thread+0x658/0x11f0 [ 75.986718][ T3750] kthread+0x405/0x4f0 [ 75.992940][ T3750] ret_from_fork+0x1f/0x30 [ 75.999521][ T3750] INITIAL USE at: [ 76.003669][ T3750] lock_acquire+0x1ab/0x510 [ 76.010239][ T3750] _raw_spin_lock_irqsave+0x39/0x50 [ 76.017505][ T3750] input_inject_event+0xa6/0x320 [ 76.024508][ T3750] led_set_brightness_nosleep+0xe6/0x1a0 [ 76.032218][ T3750] led_set_brightness+0x134/0x170 [ 76.039306][ T3750] led_trigger_event+0xb0/0x200 [ 76.046240][ T3750] kbd_led_trigger_activate+0xc9/0x100 [ 76.053764][ T3750] led_trigger_set+0x5d7/0xaf0 [ 76.060595][ T3750] led_trigger_set_default+0x1a6/0x230 [ 76.068121][ T3750] led_classdev_register_ext+0x622/0x850 [ 76.076444][ T3750] input_leds_connect+0x4bd/0x860 [ 76.083708][ T3750] input_attach_handler+0x180/0x1f0 [ 76.090972][ T3750] input_register_device.cold+0xf0/0x304 [ 76.098766][ T3750] atkbd_connect+0x749/0xa10 [ 76.105438][ T3750] serio_driver_probe+0x72/0xa0 [ 76.112354][ T3750] really_probe+0x245/0xcc0 [ 76.118919][ T3750] __driver_probe_device+0x338/0x4d0 [ 76.126266][ T3750] driver_probe_device+0x4c/0x1a0 [ 76.133367][ T3750] __driver_attach+0x22d/0x4e0 [ 76.140197][ T3750] bus_for_each_dev+0x147/0x1d0 [ 76.147112][ T3750] serio_handle_event+0x5f6/0xa30 [ 76.154230][ T3750] process_one_work+0x9b2/0x1690 [ 76.161239][ T3750] worker_thread+0x658/0x11f0 [ 76.167981][ T3750] kthread+0x405/0x4f0 [ 76.174116][ T3750] ret_from_fork+0x1f/0x30 [ 76.180597][ T3750] } [ 76.183332][ T3750] ... key at: [] __key.8+0x0/0x40 [ 76.190688][ T3750] -> (&client->buffer_lock){....}-{2:2} { [ 76.196574][ T3750] INITIAL USE at: [ 76.200628][ T3750] lock_acquire+0x1ab/0x510 [ 76.207042][ T3750] _raw_spin_lock+0x2a/0x40 [ 76.213443][ T3750] evdev_pass_values.part.0+0xf6/0x970 [ 76.220798][ T3750] evdev_events+0x359/0x3e0 [ 76.227211][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.234016][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.241471][ T3750] input_handle_event+0x373/0x1440 [ 76.248925][ T3750] input_inject_event+0x1bd/0x320 [ 76.255841][ T3750] evdev_write+0x430/0x760 [ 76.262145][ T3750] vfs_write+0x28e/0xae0 [ 76.268297][ T3750] ksys_write+0x1ee/0x250 [ 76.274979][ T3750] do_syscall_64+0x35/0xb0 [ 76.281447][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.289237][ T3750] } [ 76.291887][ T3750] ... key at: [] __key.4+0x0/0x40 [ 76.299286][ T3750] ... acquired at: [ 76.303238][ T3750] _raw_spin_lock+0x2a/0x40 [ 76.307893][ T3750] evdev_pass_values.part.0+0xf6/0x970 [ 76.313507][ T3750] evdev_events+0x359/0x3e0 [ 76.318164][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.323182][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.329140][ T3750] input_handle_event+0x373/0x1440 [ 76.334402][ T3750] input_inject_event+0x1bd/0x320 [ 76.339580][ T3750] evdev_write+0x430/0x760 [ 76.344168][ T3750] vfs_write+0x28e/0xae0 [ 76.348581][ T3750] ksys_write+0x1ee/0x250 [ 76.353074][ T3750] do_syscall_64+0x35/0xb0 [ 76.358341][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.364478][ T3750] [ 76.366787][ T3750] -> (&new->fa_lock){....}-{2:2} { [ 76.372070][ T3750] INITIAL USE at: [ 76.376026][ T3750] lock_acquire+0x1ab/0x510 [ 76.382260][ T3750] _raw_write_lock_irq+0x32/0x50 [ 76.388927][ T3750] fasync_remove_entry+0xb6/0x1f0 [ 76.395686][ T3750] fasync_helper+0x9e/0xb0 [ 76.401820][ T3750] __fput+0x846/0x9f0 [ 76.407516][ T3750] task_work_run+0xdd/0x1a0 [ 76.413735][ T3750] do_exit+0xc14/0x2b40 [ 76.419604][ T3750] do_group_exit+0x125/0x310 [ 76.425908][ T3750] get_signal+0x47d/0x2220 [ 76.432054][ T3750] arch_do_signal_or_restart+0x2a9/0x1c40 [ 76.439576][ T3750] exit_to_user_mode_prepare+0x17d/0x290 [ 76.446926][ T3750] syscall_exit_to_user_mode+0x19/0x60 [ 76.454119][ T3750] do_syscall_64+0x42/0xb0 [ 76.460616][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.468229][ T3750] INITIAL READ USE at: [ 76.472635][ T3750] lock_acquire+0x1ab/0x510 [ 76.479289][ T3750] _raw_read_lock_irqsave+0x70/0x90 [ 76.486972][ T3750] kill_fasync+0x136/0x470 [ 76.493562][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 76.501264][ T3750] evdev_events+0x359/0x3e0 [ 76.507920][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.514933][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.522673][ T3750] input_handle_event+0x373/0x1440 [ 76.530393][ T3750] input_inject_event+0x1bd/0x320 [ 76.537829][ T3750] evdev_write+0x430/0x760 [ 76.544531][ T3750] vfs_write+0x28e/0xae0 [ 76.551379][ T3750] ksys_write+0x1ee/0x250 [ 76.557857][ T3750] do_syscall_64+0x35/0xb0 [ 76.564590][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.572639][ T3750] } [ 76.575205][ T3750] ... key at: [] __key.0+0x0/0x40 [ 76.582382][ T3750] ... acquired at: [ 76.586263][ T3750] _raw_read_lock_irqsave+0x70/0x90 [ 76.591637][ T3750] kill_fasync+0x136/0x470 [ 76.596207][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 76.601997][ T3750] evdev_events+0x359/0x3e0 [ 76.606757][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.611795][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.617513][ T3750] input_handle_event+0x373/0x1440 [ 76.622810][ T3750] input_inject_event+0x1bd/0x320 [ 76.627989][ T3750] evdev_write+0x430/0x760 [ 76.632580][ T3750] vfs_write+0x28e/0xae0 [ 76.636977][ T3750] ksys_write+0x1ee/0x250 [ 76.641460][ T3750] do_syscall_64+0x35/0xb0 [ 76.646047][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.652118][ T3750] [ 76.654434][ T3750] -> (&f->f_owner.lock){....}-{2:2} { [ 76.659818][ T3750] INITIAL USE at: [ 76.663689][ T3750] lock_acquire+0x1ab/0x510 [ 76.669742][ T3750] _raw_write_lock_irq+0x32/0x50 [ 76.676243][ T3750] f_modown+0x2a/0x390 [ 76.681975][ T3750] f_setown+0xd7/0x230 [ 76.687590][ T3750] do_fcntl+0x749/0x1210 [ 76.693480][ T3750] __x64_sys_fcntl+0x165/0x1e0 [ 76.699895][ T3750] do_syscall_64+0x35/0xb0 [ 76.705859][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.713311][ T3750] INITIAL READ USE at: [ 76.717615][ T3750] lock_acquire+0x1ab/0x510 [ 76.724573][ T3750] _raw_read_lock_irqsave+0x70/0x90 [ 76.731773][ T3750] send_sigio+0x24/0x380 [ 76.737998][ T3750] kill_fasync+0x1f8/0x470 [ 76.744390][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 76.751923][ T3750] evdev_events+0x359/0x3e0 [ 76.758505][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.765378][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.772908][ T3750] input_handle_event+0x373/0x1440 [ 76.780003][ T3750] input_inject_event+0x1bd/0x320 [ 76.787008][ T3750] evdev_write+0x430/0x760 [ 76.793404][ T3750] vfs_write+0x28e/0xae0 [ 76.799738][ T3750] ksys_write+0x1ee/0x250 [ 76.806065][ T3750] do_syscall_64+0x35/0xb0 [ 76.812459][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.820421][ T3750] } [ 76.822922][ T3750] ... key at: [] __key.5+0x0/0x40 [ 76.830195][ T3750] ... acquired at: [ 76.833976][ T3750] _raw_read_lock_irqsave+0x70/0x90 [ 76.839330][ T3750] send_sigio+0x24/0x380 [ 76.843726][ T3750] kill_fasync+0x1f8/0x470 [ 76.848299][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 76.854180][ T3750] evdev_events+0x359/0x3e0 [ 76.858842][ T3750] input_to_handler+0x2a0/0x4c0 [ 76.863844][ T3750] input_pass_values.part.0+0x230/0x710 [ 76.869540][ T3750] input_handle_event+0x373/0x1440 [ 76.874806][ T3750] input_inject_event+0x1bd/0x320 [ 76.880067][ T3750] evdev_write+0x430/0x760 [ 76.884631][ T3750] vfs_write+0x28e/0xae0 [ 76.889025][ T3750] ksys_write+0x1ee/0x250 [ 76.893501][ T3750] do_syscall_64+0x35/0xb0 [ 76.898071][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.904142][ T3750] [ 76.906527][ T3750] [ 76.906527][ T3750] the dependencies between the lock to be acquired [ 76.906533][ T3750] and HARDIRQ-irq-unsafe lock: [ 76.920089][ T3750] -> (tasklist_lock){.+.+}-{2:2} { [ 76.925188][ T3750] HARDIRQ-ON-R at: [ 76.929142][ T3750] lock_acquire+0x1ab/0x510 [ 76.935378][ T3750] _raw_read_lock+0x5b/0x70 [ 76.941514][ T3750] do_wait+0x284/0xce0 [ 76.947391][ T3750] kernel_wait+0x9c/0x150 [ 76.953443][ T3750] call_usermodehelper_exec_work+0xf5/0x180 [ 76.960978][ T3750] process_one_work+0x9b2/0x1690 [ 76.967604][ T3750] worker_thread+0x658/0x11f0 [ 76.974819][ T3750] kthread+0x405/0x4f0 [ 76.980541][ T3750] ret_from_fork+0x1f/0x30 [ 76.986614][ T3750] SOFTIRQ-ON-R at: [ 76.990582][ T3750] lock_acquire+0x1ab/0x510 [ 76.996736][ T3750] _raw_read_lock+0x5b/0x70 [ 77.003023][ T3750] do_wait+0x284/0xce0 [ 77.008724][ T3750] kernel_wait+0x9c/0x150 [ 77.014688][ T3750] call_usermodehelper_exec_work+0xf5/0x180 [ 77.022242][ T3750] process_one_work+0x9b2/0x1690 [ 77.028811][ T3750] worker_thread+0x658/0x11f0 [ 77.035121][ T3750] kthread+0x405/0x4f0 [ 77.041104][ T3750] ret_from_fork+0x1f/0x30 [ 77.047158][ T3750] INITIAL USE at: [ 77.051032][ T3750] lock_acquire+0x1ab/0x510 [ 77.057259][ T3750] _raw_write_lock_irq+0x32/0x50 [ 77.063832][ T3750] copy_process+0x36c8/0x75a0 [ 77.070077][ T3750] kernel_clone+0xe7/0xab0 [ 77.076041][ T3750] kernel_thread+0xb5/0xf0 [ 77.082005][ T3750] rest_init+0x23/0x3e0 [ 77.087709][ T3750] start_kernel+0x47a/0x49b [ 77.093775][ T3750] secondary_startup_64_no_verify+0xb0/0xbb [ 77.101329][ T3750] INITIAL READ USE at: [ 77.105634][ T3750] lock_acquire+0x1ab/0x510 [ 77.112149][ T3750] _raw_read_lock+0x5b/0x70 [ 77.118672][ T3750] do_wait+0x284/0xce0 [ 77.124734][ T3750] kernel_wait+0x9c/0x150 [ 77.131476][ T3750] call_usermodehelper_exec_work+0xf5/0x180 [ 77.139354][ T3750] process_one_work+0x9b2/0x1690 [ 77.146293][ T3750] worker_thread+0x658/0x11f0 [ 77.152951][ T3750] kthread+0x405/0x4f0 [ 77.159093][ T3750] ret_from_fork+0x1f/0x30 [ 77.165581][ T3750] } [ 77.168067][ T3750] ... key at: [] tasklist_lock+0x18/0x40 [ 77.175773][ T3750] ... acquired at: [ 77.179563][ T3750] lock_acquire+0x1ab/0x510 [ 77.184229][ T3750] _raw_read_lock+0x5b/0x70 [ 77.188890][ T3750] send_sigio+0xab/0x380 [ 77.193379][ T3750] kill_fasync+0x1f8/0x470 [ 77.197953][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 77.203677][ T3750] evdev_events+0x359/0x3e0 [ 77.208359][ T3750] input_to_handler+0x2a0/0x4c0 [ 77.213365][ T3750] input_pass_values.part.0+0x230/0x710 [ 77.219079][ T3750] input_handle_event+0x373/0x1440 [ 77.224364][ T3750] input_inject_event+0x1bd/0x320 [ 77.229542][ T3750] evdev_write+0x430/0x760 [ 77.234195][ T3750] vfs_write+0x28e/0xae0 [ 77.238608][ T3750] ksys_write+0x1ee/0x250 [ 77.243099][ T3750] do_syscall_64+0x35/0xb0 [ 77.247675][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.253757][ T3750] [ 77.256072][ T3750] [ 77.256072][ T3750] stack backtrace: [ 77.261932][ T3750] CPU: 1 PID: 3750 Comm: syz-executor835 Not tainted 5.16.0-rc4-syzkaller #0 [ 77.270671][ T3750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.280709][ T3750] Call Trace: [ 77.283997][ T3750] [ 77.286913][ T3750] dump_stack_lvl+0xcd/0x134 [ 77.291497][ T3750] check_irq_usage.cold+0x4c1/0x6b0 [ 77.296793][ T3750] ? print_shortest_lock_dependencies_backwards+0x80/0x80 [ 77.303912][ T3750] ? check_path.constprop.0+0x24/0x50 [ 77.309358][ T3750] ? lock_chain_count+0x20/0x20 [ 77.314196][ T3750] ? lockdep_lock+0xc6/0x200 [ 77.318770][ T3750] ? call_rcu_zapped+0xb0/0xb0 [ 77.323630][ T3750] __lock_acquire+0x2a1f/0x54a0 [ 77.328471][ T3750] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.334615][ T3750] lock_acquire+0x1ab/0x510 [ 77.339106][ T3750] ? send_sigio+0xab/0x380 [ 77.343507][ T3750] ? lock_release+0x720/0x720 [ 77.348190][ T3750] ? lock_release+0x720/0x720 [ 77.352881][ T3750] ? lock_release+0x720/0x720 [ 77.357551][ T3750] _raw_read_lock+0x5b/0x70 [ 77.362038][ T3750] ? send_sigio+0xab/0x380 [ 77.366456][ T3750] send_sigio+0xab/0x380 [ 77.370683][ T3750] kill_fasync+0x1f8/0x470 [ 77.375082][ T3750] evdev_pass_values.part.0+0x64e/0x970 [ 77.380617][ T3750] ? evdev_release+0x410/0x410 [ 77.385369][ T3750] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 77.391076][ T3750] evdev_events+0x359/0x3e0 [ 77.395585][ T3750] ? evdev_pass_values.part.0+0x970/0x970 [ 77.401464][ T3750] input_to_handler+0x2a0/0x4c0 [ 77.406389][ T3750] input_pass_values.part.0+0x230/0x710 [ 77.412013][ T3750] input_handle_event+0x373/0x1440 [ 77.417458][ T3750] input_inject_event+0x1bd/0x320 [ 77.422469][ T3750] evdev_write+0x430/0x760 [ 77.426972][ T3750] ? evdev_read+0xe40/0xe40 [ 77.431466][ T3750] ? apparmor_file_permission+0x264/0x4e0 [ 77.437168][ T3750] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.443391][ T3750] ? security_file_permission+0xab/0xd0 [ 77.448925][ T3750] ? evdev_read+0xe40/0xe40 [ 77.453405][ T3750] vfs_write+0x28e/0xae0 [ 77.457664][ T3750] ksys_write+0x1ee/0x250 [ 77.461973][ T3750] ? __ia32_sys_read+0xb0/0xb0 [ 77.466732][ T3750] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.472624][ T3750] do_syscall_64+0x35/0xb0 [ 77.477027][ T3750] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.482905][ T3750] RIP: 0033:0x7f45cf04c349 [ 77.487414][ T3750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 77.507030][ T3750] RSP: 002b:00007f45ceff62f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.515433][ T3750] RAX: ffffffffffffffda RBX: 00007f45cf0d04c0 RCX: 00007f45cf04c349 [ 77.523390][ T3750] RDX: 0000000000003888 RSI: 0000000020000080 RDI: 0000000000000004 [ 77.531361][ T3750] RBP: 00007f45cf09d08c R08: 0000000000000000 R09: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program [ 77.539318][ T3750] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200012a8 [ 77.547276][ T3750] R13: f36140dfc32eddd6 R14: 0030656c69662f2e R15: 00007f45cf0d04c8 [ 77.555258][ T3750] [ 77.558984][ T917] cfg80211: failed to load regulatory.db executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program &/dev/input/event#executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program &/dev/input/event#executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 80.717595][ T8159] syz-executor835[8159]: segfault at 0 ip 0000000000000000 sp 00007f45ceff6308 error 14 [ 80.734961][ T8159] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program &/dev/input/event#executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program &/dev/input/event#executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program &/dev/input/event#