[ OK ] Started Regular background program processing daemon. Starting Permit User Sessions... Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.1.73' (ECDSA) to the list of known hosts. executing program [ 81.197968][ T37] audit: type=1400 audit(1630175254.542:8): avc: denied { execmem } for pid=8453 comm="syz-executor686" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 81.459724][ T2948] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 81.819988][ T2948] usb 1-1: config 0 has an invalid interface number: 123 but max is 0 [ 81.828314][ T2948] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 81.839567][ T2948] usb 1-1: config 0 has no interface number 0 [ 81.845686][ T2948] usb 1-1: config 0 interface 123 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 15 [ 82.019737][ T2948] usb 1-1: New USB device found, idVendor=0009, idProduct=0000, bcdDevice= 1.00 [ 82.028780][ T2948] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 82.037918][ T2948] usb 1-1: Product: syz [ 82.043015][ T2948] usb 1-1: Manufacturer: syz [ 82.047599][ T2948] usb 1-1: SerialNumber: syz [ 82.062154][ T2948] usb 1-1: config 0 descriptor?? [ 82.301099][ T8453] [ 82.303433][ T8453] ===================================================== [ 82.310574][ T8453] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 82.318008][ T8453] 5.14.0-rc7-syzkaller #0 Not tainted [ 82.323529][ T8453] ----------------------------------------------------- [ 82.330562][ T8453] syz-executor686/8453 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 82.339440][ T8453] ffff88801e7de6f8 (&f->f_owner.lock){.+.+}-{2:2}, at: send_sigio+0x24/0x380 [ 82.348235][ T8453] [ 82.348235][ T8453] and this task is already holding: [ 82.355667][ T8453] ffff8880172bd9f0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x132/0x460 [ 82.364345][ T8453] which would create a new lock dependency: [ 82.370208][ T8453] (&new->fa_lock){....}-{2:2} -> (&f->f_owner.lock){.+.+}-{2:2} [ 82.377924][ T8453] [ 82.377924][ T8453] but this new dependency connects a HARDIRQ-irq-safe lock: [ 82.387347][ T8453] (&dev->event_lock){-...}-{2:2} [ 82.387363][ T8453] [ 82.387363][ T8453] ... which became HARDIRQ-irq-safe at: [ 82.400050][ T8453] lock_acquire+0x1ab/0x510 [ 82.404624][ T8453] _raw_spin_lock_irqsave+0x39/0x50 [ 82.409909][ T8453] input_event+0x7b/0xb0 [ 82.414328][ T8453] psmouse_report_standard_buttons+0x2c/0x80 [ 82.420408][ T8453] psmouse_process_byte+0x1e1/0x890 [ 82.425693][ T8453] psmouse_handle_byte+0x41/0x1b0 [ 82.430898][ T8453] psmouse_interrupt+0x304/0xf00 [ 82.435926][ T8453] serio_interrupt+0x88/0x150 [ 82.440946][ T8453] i8042_interrupt+0x27a/0x520 [ 82.445791][ T8453] __handle_irq_event_percpu+0x303/0x8f0 [ 82.451940][ T8453] handle_irq_event+0x102/0x280 [ 82.456875][ T8453] handle_edge_irq+0x25f/0xd00 [ 82.461730][ T8453] __common_interrupt+0x9d/0x210 [ 82.466753][ T8453] common_interrupt+0x9f/0xd0 [ 82.471517][ T8453] asm_common_interrupt+0x1e/0x40 [ 82.476622][ T8453] _raw_spin_unlock_irqrestore+0x38/0x70 [ 82.482334][ T8453] i8042_command+0x12e/0x150 [ 82.487014][ T8453] i8042_aux_write+0xd7/0x120 [ 82.491951][ T8453] ps2_do_sendbyte+0x2cf/0x710 [ 82.496983][ T8453] ps2_sendbyte+0x58/0x150 [ 82.501485][ T8453] cypress_ps2_sendbyte+0x2e/0x160 [ 82.506942][ T8453] cypress_send_ext_cmd+0x1d0/0x8e0 [ 82.512317][ T8453] cypress_detect+0x75/0x190 [ 82.517075][ T8453] psmouse_try_protocol+0x211/0x370 [ 82.522362][ T8453] psmouse_extensions+0x557/0x930 [ 82.527560][ T8453] psmouse_switch_protocol+0x52a/0x740 [ 82.533103][ T8453] psmouse_connect+0x5e9/0xfd0 [ 82.537954][ T8453] serio_driver_probe+0x72/0xa0 [ 82.542894][ T8453] really_probe+0x23c/0xcd0 [ 82.547481][ T8453] __driver_probe_device+0x338/0x4d0 [ 82.553029][ T8453] driver_probe_device+0x4c/0x1a0 [ 82.558236][ T8453] __driver_attach+0x22d/0x4e0 [ 82.563080][ T8453] bus_for_each_dev+0x147/0x1d0 [ 82.568024][ T8453] serio_handle_event+0x5f6/0xa30 [ 82.573217][ T8453] process_one_work+0x98d/0x1630 [ 82.578240][ T8453] worker_thread+0x658/0x11f0 [ 82.583001][ T8453] kthread+0x3e5/0x4d0 [ 82.587152][ T8453] ret_from_fork+0x1f/0x30 [ 82.591748][ T8453] [ 82.591748][ T8453] to a HARDIRQ-irq-unsafe lock: [ 82.598749][ T8453] (&f->f_owner.lock){.+.+}-{2:2} [ 82.598776][ T8453] [ 82.598776][ T8453] ... which became HARDIRQ-irq-unsafe at: [ 82.611637][ T8453] ... [ 82.611642][ T8453] lock_acquire+0x1ab/0x510 [ 82.618786][ T8453] _raw_read_lock+0x5b/0x70 [ 82.623369][ T8453] f_getown+0x23/0x2a0 [ 82.627517][ T8453] sock_ioctl+0x4ba/0x6a0 [ 82.632303][ T8453] __x64_sys_ioctl+0x193/0x200 [ 82.637146][ T8453] do_syscall_64+0x35/0xb0 [ 82.641655][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 82.647631][ T8453] [ 82.647631][ T8453] other info that might help us debug this: [ 82.647631][ T8453] [ 82.657841][ T8453] Chain exists of: [ 82.657841][ T8453] &dev->event_lock --> &new->fa_lock --> &f->f_owner.lock [ 82.657841][ T8453] [ 82.670874][ T8453] Possible interrupt unsafe locking scenario: [ 82.670874][ T8453] [ 82.679191][ T8453] CPU0 CPU1 [ 82.684551][ T8453] ---- ---- [ 82.689900][ T8453] lock(&f->f_owner.lock); [ 82.694391][ T8453] local_irq_disable(); [ 82.701583][ T8453] lock(&dev->event_lock); [ 82.708594][ T8453] lock(&new->fa_lock); [ 82.715521][ T8453] [ 82.718986][ T8453] lock(&dev->event_lock); [ 82.723739][ T8453] [ 82.723739][ T8453] *** DEADLOCK *** [ 82.723739][ T8453] [ 82.731866][ T8453] 8 locks held by syz-executor686/8453: [ 82.737527][ T8453] #0: ffff8880252dc110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1d3/0x760 [ 82.746674][ T8453] #1: ffff888024550230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0xa6/0x320 [ 82.756590][ T8453] #2: ffffffff8b979840 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x92/0x320 [ 82.766244][ T8453] #3: ffffffff8b979840 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 [ 82.776359][ T8453] #4: ffffffff8b979840 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x59/0x3e0 [ 82.785497][ T8453] #5: ffff888036d30028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x970 [ 82.796283][ T8453] #6: ffffffff8b979840 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 [ 82.805697][ T8453] #7: ffff8880172bd9f0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x132/0x460 [ 82.814929][ T8453] [ 82.814929][ T8453] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 82.825327][ T8453] -> (&dev->event_lock){-...}-{2:2} { [ 82.831316][ T8453] IN-HARDIRQ-W at: [ 82.835457][ T8453] lock_acquire+0x1ab/0x510 [ 82.842042][ T8453] _raw_spin_lock_irqsave+0x39/0x50 [ 82.849248][ T8453] input_event+0x7b/0xb0 [ 82.855493][ T8453] psmouse_report_standard_buttons+0x2c/0x80 [ 82.863476][ T8453] psmouse_process_byte+0x1e1/0x890 [ 82.870678][ T8453] psmouse_handle_byte+0x41/0x1b0 [ 82.877698][ T8453] psmouse_interrupt+0x304/0xf00 [ 82.884638][ T8453] serio_interrupt+0x88/0x150 [ 82.891307][ T8453] i8042_interrupt+0x27a/0x520 [ 82.898064][ T8453] __handle_irq_event_percpu+0x303/0x8f0 [ 82.905776][ T8453] handle_irq_event+0x102/0x280 [ 82.912616][ T8453] handle_edge_irq+0x25f/0xd00 [ 82.919664][ T8453] __common_interrupt+0x9d/0x210 [ 82.926695][ T8453] common_interrupt+0x9f/0xd0 [ 82.933379][ T8453] asm_common_interrupt+0x1e/0x40 [ 82.940413][ T8453] _raw_spin_unlock_irqrestore+0x38/0x70 [ 82.948045][ T8453] i8042_command+0x12e/0x150 [ 82.954912][ T8453] i8042_aux_write+0xd7/0x120 [ 82.961666][ T8453] ps2_do_sendbyte+0x2cf/0x710 [ 82.968429][ T8453] ps2_sendbyte+0x58/0x150 [ 82.974840][ T8453] cypress_ps2_sendbyte+0x2e/0x160 [ 82.981947][ T8453] cypress_send_ext_cmd+0x1d0/0x8e0 [ 82.989152][ T8453] cypress_detect+0x75/0x190 [ 82.995756][ T8453] psmouse_try_protocol+0x211/0x370 [ 83.003823][ T8453] psmouse_extensions+0x557/0x930 [ 83.010940][ T8453] psmouse_switch_protocol+0x52a/0x740 [ 83.018416][ T8453] psmouse_connect+0x5e9/0xfd0 [ 83.025344][ T8453] serio_driver_probe+0x72/0xa0 [ 83.032187][ T8453] really_probe+0x23c/0xcd0 [ 83.039034][ T8453] __driver_probe_device+0x338/0x4d0 [ 83.046343][ T8453] driver_probe_device+0x4c/0x1a0 [ 83.053376][ T8453] __driver_attach+0x22d/0x4e0 [ 83.060245][ T8453] bus_for_each_dev+0x147/0x1d0 [ 83.067100][ T8453] serio_handle_event+0x5f6/0xa30 [ 83.074132][ T8453] process_one_work+0x98d/0x1630 [ 83.081160][ T8453] worker_thread+0x658/0x11f0 [ 83.088032][ T8453] kthread+0x3e5/0x4d0 [ 83.094103][ T8453] ret_from_fork+0x1f/0x30 [ 83.100706][ T8453] INITIAL USE at: [ 83.104772][ T8453] lock_acquire+0x1ab/0x510 [ 83.111325][ T8453] _raw_spin_lock_irqsave+0x39/0x50 [ 83.118434][ T8453] input_inject_event+0xa6/0x320 [ 83.125276][ T8453] led_set_brightness_nosleep+0xe6/0x1a0 [ 83.133161][ T8453] led_set_brightness+0x134/0x170 [ 83.140088][ T8453] led_trigger_event+0x75/0xd0 [ 83.146765][ T8453] kbd_led_trigger_activate+0xc9/0x100 [ 83.154134][ T8453] led_trigger_set+0x61e/0xbd0 [ 83.160805][ T8453] led_trigger_set_default+0x1a6/0x230 [ 83.168167][ T8453] led_classdev_register_ext+0x5b1/0x7c0 [ 83.175702][ T8453] input_leds_connect+0x4bd/0x860 [ 83.182649][ T8453] input_attach_handler+0x180/0x1f0 [ 83.189868][ T8453] input_register_device.cold+0xf0/0x303 [ 83.197427][ T8453] atkbd_connect+0x739/0xa00 [ 83.203947][ T8453] serio_driver_probe+0x72/0xa0 [ 83.210712][ T8453] really_probe+0x23c/0xcd0 [ 83.217215][ T8453] __driver_probe_device+0x338/0x4d0 [ 83.224406][ T8453] driver_probe_device+0x4c/0x1a0 [ 83.231616][ T8453] __driver_attach+0x22d/0x4e0 [ 83.238371][ T8453] bus_for_each_dev+0x147/0x1d0 [ 83.245211][ T8453] serio_handle_event+0x5f6/0xa30 [ 83.252144][ T8453] process_one_work+0x98d/0x1630 [ 83.258991][ T8453] worker_thread+0x658/0x11f0 [ 83.265778][ T8453] kthread+0x3e5/0x4d0 [ 83.271758][ T8453] ret_from_fork+0x1f/0x30 [ 83.278093][ T8453] } [ 83.280976][ T8453] ... key at: [] __key.8+0x0/0x40 [ 83.288353][ T8453] -> (&client->buffer_lock){....}-{2:2} { [ 83.294293][ T8453] INITIAL USE at: [ 83.298363][ T8453] lock_acquire+0x1ab/0x510 [ 83.304611][ T8453] _raw_spin_lock+0x2a/0x40 [ 83.311018][ T8453] evdev_pass_values.part.0+0xf6/0x970 [ 83.318209][ T8453] evdev_events+0x359/0x3e0 [ 83.324444][ T8453] input_to_handler+0x2a0/0x4c0 [ 83.331026][ T8453] input_pass_values.part.0+0x230/0x710 [ 83.338306][ T8453] input_handle_event+0x373/0x1440 [ 83.345144][ T8453] input_inject_event+0x1bd/0x320 [ 83.351910][ T8453] evdev_write+0x430/0x760 [ 83.358054][ T8453] vfs_write+0x28e/0xa40 [ 83.364039][ T8453] ksys_write+0x1ee/0x250 [ 83.370104][ T8453] do_syscall_64+0x35/0xb0 [ 83.376266][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.383891][ T8453] } [ 83.386474][ T8453] ... key at: [] __key.4+0x0/0x40 [ 83.393666][ T8453] ... acquired at: [ 83.397539][ T8453] _raw_spin_lock+0x2a/0x40 [ 83.402206][ T8453] evdev_pass_values.part.0+0xf6/0x970 [ 83.407832][ T8453] evdev_events+0x359/0x3e0 [ 83.412505][ T8453] input_to_handler+0x2a0/0x4c0 [ 83.417706][ T8453] input_pass_values.part.0+0x230/0x710 [ 83.423422][ T8453] input_handle_event+0x373/0x1440 [ 83.428697][ T8453] input_inject_event+0x1bd/0x320 [ 83.433890][ T8453] evdev_write+0x430/0x760 [ 83.438473][ T8453] vfs_write+0x28e/0xa40 [ 83.442879][ T8453] ksys_write+0x1ee/0x250 [ 83.447377][ T8453] do_syscall_64+0x35/0xb0 [ 83.451972][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.458032][ T8453] [ 83.460341][ T8453] -> (&new->fa_lock){....}-{2:2} { [ 83.465465][ T8453] INITIAL READ USE at: [ 83.469790][ T8453] lock_acquire+0x1ab/0x510 [ 83.476281][ T8453] _raw_read_lock+0x5b/0x70 [ 83.482796][ T8453] kill_fasync+0x132/0x460 [ 83.489202][ T8453] evdev_pass_values.part.0+0x64e/0x970 [ 83.496834][ T8453] evdev_events+0x359/0x3e0 [ 83.503329][ T8453] input_to_handler+0x2a0/0x4c0 [ 83.510268][ T8453] input_pass_values.part.0+0x230/0x710 [ 83.517890][ T8453] input_handle_event+0x373/0x1440 [ 83.524992][ T8453] input_inject_event+0x1bd/0x320 [ 83.532004][ T8453] evdev_write+0x430/0x760 [ 83.538413][ T8453] vfs_write+0x28e/0xa40 [ 83.544737][ T8453] ksys_write+0x1ee/0x250 [ 83.551058][ T8453] do_syscall_64+0x35/0xb0 [ 83.557471][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.565356][ T8453] } [ 83.567862][ T8453] ... key at: [] __key.0+0x0/0x40 [ 83.574973][ T8453] ... acquired at: [ 83.578759][ T8453] _raw_read_lock+0x5b/0x70 [ 83.583427][ T8453] kill_fasync+0x132/0x460 [ 83.588271][ T8453] evdev_pass_values.part.0+0x64e/0x970 [ 83.594164][ T8453] evdev_events+0x359/0x3e0 [ 83.598838][ T8453] input_to_handler+0x2a0/0x4c0 [ 83.603964][ T8453] input_pass_values.part.0+0x230/0x710 [ 83.609707][ T8453] input_handle_event+0x373/0x1440 [ 83.614999][ T8453] input_inject_event+0x1bd/0x320 [ 83.620191][ T8453] evdev_write+0x430/0x760 [ 83.624774][ T8453] vfs_write+0x28e/0xa40 [ 83.629200][ T8453] ksys_write+0x1ee/0x250 [ 83.633879][ T8453] do_syscall_64+0x35/0xb0 [ 83.638551][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.644708][ T8453] [ 83.647018][ T8453] [ 83.647018][ T8453] the dependencies between the lock to be acquired [ 83.647026][ T8453] and HARDIRQ-irq-unsafe lock: [ 83.660525][ T8453] -> (&f->f_owner.lock){.+.+}-{2:2} { [ 83.666077][ T8453] HARDIRQ-ON-R at: [ 83.670044][ T8453] lock_acquire+0x1ab/0x510 [ 83.676193][ T8453] _raw_read_lock+0x5b/0x70 [ 83.682433][ T8453] f_getown+0x23/0x2a0 [ 83.688150][ T8453] sock_ioctl+0x4ba/0x6a0 [ 83.694123][ T8453] __x64_sys_ioctl+0x193/0x200 [ 83.700621][ T8453] do_syscall_64+0x35/0xb0 [ 83.706948][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.714588][ T8453] SOFTIRQ-ON-R at: [ 83.718557][ T8453] lock_acquire+0x1ab/0x510 [ 83.724712][ T8453] _raw_read_lock+0x5b/0x70 [ 83.730880][ T8453] f_getown+0x23/0x2a0 [ 83.736600][ T8453] sock_ioctl+0x4ba/0x6a0 [ 83.742582][ T8453] __x64_sys_ioctl+0x193/0x200 [ 83.748998][ T8453] do_syscall_64+0x35/0xb0 [ 83.755062][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.762599][ T8453] INITIAL READ USE at: [ 83.766919][ T8453] lock_acquire+0x1ab/0x510 [ 83.773414][ T8453] _raw_read_lock+0x5b/0x70 [ 83.779907][ T8453] f_getown+0x23/0x2a0 [ 83.786161][ T8453] sock_ioctl+0x4ba/0x6a0 [ 83.792481][ T8453] __x64_sys_ioctl+0x193/0x200 [ 83.799244][ T8453] do_syscall_64+0x35/0xb0 [ 83.805681][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.813594][ T8453] } [ 83.816095][ T8453] ... key at: [] __key.5+0x0/0x40 [ 83.823491][ T8453] ... acquired at: [ 83.827284][ T8453] lock_acquire+0x1ab/0x510 [ 83.831992][ T8453] _raw_read_lock_irqsave+0x70/0x90 [ 83.837452][ T8453] send_sigio+0x24/0x380 [ 83.841885][ T8453] kill_fasync+0x1ec/0x460 [ 83.846471][ T8453] evdev_pass_values.part.0+0x64e/0x970 [ 83.852206][ T8453] evdev_events+0x359/0x3e0 [ 83.856875][ T8453] input_to_handler+0x2a0/0x4c0 [ 83.861910][ T8453] input_pass_values.part.0+0x230/0x710 [ 83.867638][ T8453] input_handle_event+0x373/0x1440 [ 83.872930][ T8453] input_inject_event+0x1bd/0x320 [ 83.878217][ T8453] evdev_write+0x430/0x760 [ 83.882811][ T8453] vfs_write+0x28e/0xa40 [ 83.887223][ T8453] ksys_write+0x1ee/0x250 [ 83.891895][ T8453] do_syscall_64+0x35/0xb0 [ 83.896484][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.902638][ T8453] [ 83.904957][ T8453] [ 83.904957][ T8453] stack backtrace: [ 83.911117][ T8453] CPU: 1 PID: 8453 Comm: syz-executor686 Not tainted 5.14.0-rc7-syzkaller #0 [ 83.919885][ T8453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.929949][ T8453] Call Trace: [ 83.933223][ T8453] dump_stack_lvl+0xcd/0x134 [ 83.937930][ T8453] check_irq_usage.cold+0x4c1/0x6b0 [ 83.943150][ T8453] ? deref_stack_reg+0x150/0x150 [ 83.948107][ T8453] ? print_shortest_lock_dependencies_backwards+0x80/0x80 [ 83.955235][ T8453] ? is_module_text_address+0x29/0x50 [ 83.960608][ T8453] ? check_path.constprop.0+0x24/0x50 [ 83.965984][ T8453] ? register_lock_class+0xb7/0x10c0 [ 83.971524][ T8453] ? stack_trace_save+0x8c/0xc0 [ 83.976456][ T8453] ? lockdep_lock+0xc6/0x200 [ 83.981067][ T8453] ? call_rcu_zapped+0xb0/0xb0 [ 83.985872][ T8453] __lock_acquire+0x2a1f/0x54a0 [ 83.990893][ T8453] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.996868][ T8453] lock_acquire+0x1ab/0x510 [ 84.001712][ T8453] ? send_sigio+0x24/0x380 [ 84.006124][ T8453] ? lock_release+0x720/0x720 [ 84.010891][ T8453] ? lock_release+0x720/0x720 [ 84.015560][ T8453] ? lock_release+0x720/0x720 [ 84.020233][ T8453] _raw_read_lock_irqsave+0x70/0x90 [ 84.025469][ T8453] ? send_sigio+0x24/0x380 [ 84.029968][ T8453] send_sigio+0x24/0x380 [ 84.034986][ T8453] kill_fasync+0x1ec/0x460 [ 84.039397][ T8453] evdev_pass_values.part.0+0x64e/0x970 [ 84.045203][ T8453] ? evdev_release+0x410/0x410 [ 84.050057][ T8453] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.055773][ T8453] evdev_events+0x359/0x3e0 [ 84.060276][ T8453] ? evdev_pass_values.part.0+0x970/0x970 [ 84.066000][ T8453] input_to_handler+0x2a0/0x4c0 [ 84.071034][ T8453] input_pass_values.part.0+0x230/0x710 [ 84.076587][ T8453] input_handle_event+0x373/0x1440 [ 84.081700][ T8453] input_inject_event+0x1bd/0x320 [ 84.086727][ T8453] evdev_write+0x430/0x760 [ 84.091142][ T8453] ? evdev_read+0xe40/0xe40 [ 84.095821][ T8453] ? security_file_permission+0x248/0x560 [ 84.101535][ T8453] ? evdev_read+0xe40/0xe40 [ 84.106036][ T8453] vfs_write+0x28e/0xa40 [ 84.110465][ T8453] ksys_write+0x1ee/0x250 [ 84.114792][ T8453] ? __ia32_sys_read+0xb0/0xb0 [ 84.119554][ T8453] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.125531][ T8453] do_syscall_64+0x35/0xb0 [ 84.129945][ T8453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.135843][ T8453] RIP: 0033:0x446d59 [ 84.139729][ T8453] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 84