Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. [ 71.695121][ T8449] [ 71.697876][ T8449] ===================================================== [ 71.705254][ T8449] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 71.712706][ T8449] 5.13.0-rc7-syzkaller #0 Not tainted [ 71.718055][ T8449] ----------------------------------------------------- [ 71.725294][ T8449] syz-executor743/8449 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 71.734640][ T8449] ffff88802a964db8 (&f->f_owner.lock){.+.+}-{2:2}, at: send_sigio+0x24/0x370 [ 71.743439][ T8449] [ 71.743439][ T8449] and this task is already holding: [ 71.750804][ T8449] ffff888026fee018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x14b/0x460 [ 71.759501][ T8449] which would create a new lock dependency: [ 71.765457][ T8449] (&new->fa_lock){....}-{2:2} -> (&f->f_owner.lock){.+.+}-{2:2} [ 71.773265][ T8449] [ 71.773265][ T8449] but this new dependency connects a HARDIRQ-irq-safe lock: [ 71.782702][ T8449] (&dev->event_lock){-...}-{2:2} [ 71.782725][ T8449] [ 71.782725][ T8449] ... which became HARDIRQ-irq-safe at: [ 71.795682][ T8449] lock_acquire+0x1ab/0x510 [ 71.800300][ T8449] _raw_spin_lock_irqsave+0x39/0x50 [ 71.805596][ T8449] input_event+0x7b/0xb0 [ 71.809925][ T8449] psmouse_report_standard_buttons+0x2c/0x80 [ 71.816003][ T8449] psmouse_process_byte+0x1e1/0x890 [ 71.821281][ T8449] psmouse_handle_byte+0x41/0x1b0 [ 71.826385][ T8449] psmouse_interrupt+0x304/0xf00 [ 71.831576][ T8449] serio_interrupt+0x88/0x150 [ 71.836417][ T8449] i8042_interrupt+0x27a/0x520 [ 71.841267][ T8449] __handle_irq_event_percpu+0x303/0x8f0 [ 71.846975][ T8449] handle_irq_event+0x102/0x290 [ 71.851988][ T8449] handle_edge_irq+0x25f/0xd00 [ 71.856840][ T8449] __common_interrupt+0x9e/0x200 [ 71.861851][ T8449] common_interrupt+0x9f/0xd0 [ 71.866603][ T8449] asm_common_interrupt+0x1e/0x40 [ 71.871700][ T8449] _raw_spin_unlock_irqrestore+0x38/0x70 [ 71.877404][ T8449] i8042_command+0x12e/0x150 [ 71.882071][ T8449] i8042_aux_write+0xd7/0x120 [ 71.886926][ T8449] ps2_do_sendbyte+0x2cf/0x720 [ 71.892042][ T8449] ps2_sendbyte+0x58/0x150 [ 71.896570][ T8449] cypress_ps2_sendbyte+0x2e/0x160 [ 71.901849][ T8449] cypress_send_ext_cmd+0x1d0/0x8e0 [ 71.907330][ T8449] cypress_detect+0x75/0x190 [ 71.912014][ T8449] psmouse_try_protocol+0x211/0x370 [ 71.917287][ T8449] psmouse_extensions+0x557/0x930 [ 71.922388][ T8449] psmouse_switch_protocol+0x52a/0x740 [ 71.928268][ T8449] psmouse_connect+0x5e9/0xfd0 [ 71.933107][ T8449] serio_driver_probe+0x72/0xa0 [ 71.938028][ T8449] really_probe+0x291/0xf60 [ 71.942624][ T8449] driver_probe_device+0x298/0x410 [ 71.947823][ T8449] device_driver_attach+0x228/0x290 [ 71.953113][ T8449] __driver_attach+0x190/0x340 [ 71.958036][ T8449] bus_for_each_dev+0x147/0x1d0 [ 71.962955][ T8449] serio_handle_event+0x5f6/0xa30 [ 71.968059][ T8449] process_one_work+0x98d/0x1600 [ 71.973072][ T8449] worker_thread+0x64c/0x1120 [ 71.977819][ T8449] kthread+0x3b1/0x4a0 [ 71.981954][ T8449] ret_from_fork+0x1f/0x30 [ 71.986439][ T8449] [ 71.986439][ T8449] to a HARDIRQ-irq-unsafe lock: [ 71.993445][ T8449] (&f->f_owner.lock){.+.+}-{2:2} [ 71.993464][ T8449] [ 71.993464][ T8449] ... which became HARDIRQ-irq-unsafe at: [ 72.006344][ T8449] ... [ 72.006351][ T8449] lock_acquire+0x1ab/0x510 [ 72.013502][ T8449] _raw_read_lock+0x5b/0x70 [ 72.018081][ T8449] do_fcntl+0x8b4/0x1200 [ 72.022411][ T8449] __x64_sys_fcntl+0x165/0x1e0 [ 72.027366][ T8449] do_syscall_64+0x3a/0xb0 [ 72.033937][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.039953][ T8449] [ 72.039953][ T8449] other info that might help us debug this: [ 72.039953][ T8449] [ 72.050184][ T8449] Chain exists of: [ 72.050184][ T8449] &dev->event_lock --> &new->fa_lock --> &f->f_owner.lock [ 72.050184][ T8449] [ 72.064512][ T8449] Possible interrupt unsafe locking scenario: [ 72.064512][ T8449] [ 72.072836][ T8449] CPU0 CPU1 [ 72.078192][ T8449] ---- ---- [ 72.083658][ T8449] lock(&f->f_owner.lock); [ 72.088149][ T8449] local_irq_disable(); executing program [ 72.094896][ T8449] lock(&dev->event_lock); [ 72.101919][ T8449] lock(&new->fa_lock); [ 72.101940][ T8449] [ 72.101944][ T8449] lock(&dev->event_lock); [ 72.101955][ T8449] [ 72.101955][ T8449] *** DEADLOCK *** [ 72.101955][ T8449] [ 72.101959][ T8449] 8 locks held by syz-executor743/8449: [ 72.101972][ T8449] #0: ffff888021e79110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1d3/0x760 [ 72.102033][ T8449] #1: ffff8880219d2230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0xa6/0x310 [ 72.149686][ T8449] #2: ffffffff8bf79860 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x92/0x310 [ 72.149753][ T8449] #3: ffffffff8bf79860 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x700 [ 72.149811][ T8449] #4: ffffffff8bf79860 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x59/0x3f0 [ 72.149861][ T8449] #5: ffff88802bf39028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x970 [ 72.149915][ T8449] #6: ffffffff8bf79860 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 [ 72.189546][ T8449] #7: ffff888026fee018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x14b/0x460 [ 72.189596][ T8449] [ 72.189596][ T8449] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 72.189631][ T8449] -> (&dev->event_lock){-...}-{2:2} { [ 72.189660][ T8449] IN-HARDIRQ-W at: [ 72.189672][ T8449] lock_acquire+0x1ab/0x510 [ 72.189698][ T8449] _raw_spin_lock_irqsave+0x39/0x50 [ 72.189720][ T8449] input_event+0x7b/0xb0 [ 72.189740][ T8449] psmouse_report_standard_buttons+0x2c/0x80 [ 72.256097][ T8449] psmouse_process_byte+0x1e1/0x890 [ 72.256135][ T8449] psmouse_handle_byte+0x41/0x1b0 [ 72.256155][ T8449] psmouse_interrupt+0x304/0xf00 [ 72.256177][ T8449] serio_interrupt+0x88/0x150 [ 72.256198][ T8449] i8042_interrupt+0x27a/0x520 [ 72.256219][ T8449] __handle_irq_event_percpu+0x303/0x8f0 [ 72.256242][ T8449] handle_irq_event+0x102/0x290 [ 72.256262][ T8449] handle_edge_irq+0x25f/0xd00 [ 72.312303][ T8449] __common_interrupt+0x9e/0x200 [ 72.312339][ T8449] common_interrupt+0x9f/0xd0 [ 72.312362][ T8449] asm_common_interrupt+0x1e/0x40 [ 72.312383][ T8449] _raw_spin_unlock_irqrestore+0x38/0x70 [ 72.312404][ T8449] i8042_command+0x12e/0x150 [ 72.312427][ T8449] i8042_aux_write+0xd7/0x120 [ 72.312448][ T8449] ps2_do_sendbyte+0x2cf/0x720 [ 72.312469][ T8449] ps2_sendbyte+0x58/0x150 [ 72.312491][ T8449] cypress_ps2_sendbyte+0x2e/0x160 [ 72.312512][ T8449] cypress_send_ext_cmd+0x1d0/0x8e0 [ 72.312533][ T8449] cypress_detect+0x75/0x190 [ 72.312552][ T8449] psmouse_try_protocol+0x211/0x370 [ 72.395285][ T8449] psmouse_extensions+0x557/0x930 [ 72.395324][ T8449] psmouse_switch_protocol+0x52a/0x740 [ 72.395346][ T8449] psmouse_connect+0x5e9/0xfd0 [ 72.395369][ T8449] serio_driver_probe+0x72/0xa0 [ 72.395392][ T8449] really_probe+0x291/0xf60 [ 72.395413][ T8449] driver_probe_device+0x298/0x410 [ 72.395433][ T8449] device_driver_attach+0x228/0x290 [ 72.395454][ T8449] __driver_attach+0x190/0x340 [ 72.451420][ T8449] bus_for_each_dev+0x147/0x1d0 [ 72.451479][ T8449] serio_handle_event+0x5f6/0xa30 [ 72.451504][ T8449] process_one_work+0x98d/0x1600 [ 72.451528][ T8449] worker_thread+0x64c/0x1120 [ 72.451550][ T8449] kthread+0x3b1/0x4a0 [ 72.451568][ T8449] ret_from_fork+0x1f/0x30 [ 72.451591][ T8449] INITIAL USE at: [ 72.451605][ T8449] lock_acquire+0x1ab/0x510 [ 72.451630][ T8449] _raw_spin_lock_irqsave+0x39/0x50 [ 72.451651][ T8449] input_inject_event+0xa6/0x310 [ 72.451671][ T8449] led_set_brightness_nosleep+0xe6/0x1a0 [ 72.523494][ T8449] led_set_brightness+0x134/0x170 [ 72.523538][ T8449] led_trigger_event+0x75/0xd0 [ 72.523560][ T8449] kbd_led_trigger_activate+0xc9/0x100 [ 72.523585][ T8449] led_trigger_set+0x61e/0xbd0 [ 72.523609][ T8449] led_trigger_set_default+0x1a6/0x230 [ 72.523633][ T8449] led_classdev_register_ext+0x5b1/0x7c0 [ 72.523658][ T8449] input_leds_connect+0x4bd/0x860 [ 72.573327][ T8449] input_attach_handler+0x180/0x1f0 [ 72.573365][ T8449] input_register_device.cold+0xf0/0x307 [ 72.573390][ T8449] atkbd_connect+0x739/0xa10 [ 72.573411][ T8449] serio_driver_probe+0x72/0xa0 [ 72.573444][ T8449] really_probe+0x291/0xf60 [ 72.573466][ T8449] driver_probe_device+0x298/0x410 [ 72.573489][ T8449] device_driver_attach+0x228/0x290 [ 72.573534][ T8449] __driver_attach+0x190/0x340 [ 72.573555][ T8449] bus_for_each_dev+0x147/0x1d0 [ 72.573574][ T8449] serio_handle_event+0x5f6/0xa30 [ 72.573595][ T8449] process_one_work+0x98d/0x1600 [ 72.649720][ T8449] worker_thread+0x64c/0x1120 [ 72.649756][ T8449] kthread+0x3b1/0x4a0 [ 72.649773][ T8449] ret_from_fork+0x1f/0x30 [ 72.649796][ T8449] } [ 72.649802][ T8449] ... key at: [] __key.8+0x0/0x40 [ 72.649830][ T8449] ... acquired at: [ 72.649836][ T8449] _raw_spin_lock+0x2a/0x40 [ 72.649854][ T8449] evdev_pass_values.part.0+0xf6/0x970 [ 72.693352][ T8449] evdev_events+0x28b/0x3f0 [ 72.698107][ T8449] input_to_handler+0x2a0/0x4c0 [ 72.703133][ T8449] input_pass_values.part.0+0x284/0x700 [ 72.708922][ T8449] input_handle_event+0x373/0x1440 [ 72.714186][ T8449] input_inject_event+0x2f5/0x310 [ 72.719387][ T8449] evdev_write+0x430/0x760 [ 72.723965][ T8449] vfs_write+0x28e/0xa30 [ 72.728363][ T8449] ksys_write+0x1ee/0x250 [ 72.732843][ T8449] do_syscall_64+0x3a/0xb0 [ 72.737432][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.743486][ T8449] [ 72.745787][ T8449] -> (&client->buffer_lock){....}-{2:2} { [ 72.751583][ T8449] INITIAL USE at: [ 72.755543][ T8449] lock_acquire+0x1ab/0x510 [ 72.761814][ T8449] _raw_spin_lock+0x2a/0x40 [ 72.768043][ T8449] evdev_pass_values.part.0+0xf6/0x970 [ 72.775230][ T8449] evdev_events+0x28b/0x3f0 [ 72.781463][ T8449] input_to_handler+0x2a0/0x4c0 [ 72.788160][ T8449] input_pass_values.part.0+0x284/0x700 [ 72.795616][ T8449] input_handle_event+0x373/0x1440 [ 72.802472][ T8449] input_inject_event+0x2f5/0x310 [ 72.809242][ T8449] evdev_write+0x430/0x760 [ 72.815480][ T8449] vfs_write+0x28e/0xa30 [ 72.821509][ T8449] ksys_write+0x1ee/0x250 [ 72.832263][ T8449] do_syscall_64+0x3a/0xb0 [ 72.838873][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.846491][ T8449] } [ 72.849065][ T8449] ... key at: [] __key.4+0x0/0x40 [ 72.856437][ T8449] ... acquired at: [ 72.860305][ T8449] _raw_read_lock+0x5b/0x70 [ 72.865061][ T8449] kill_fasync+0x14b/0x460 [ 72.869655][ T8449] evdev_pass_values.part.0+0x64e/0x970 [ 72.875357][ T8449] evdev_events+0x28b/0x3f0 [ 72.880042][ T8449] input_to_handler+0x2a0/0x4c0 [ 72.885063][ T8449] input_pass_values.part.0+0x284/0x700 [ 72.890781][ T8449] input_handle_event+0x373/0x1440 [ 72.896063][ T8449] input_inject_event+0x2f5/0x310 [ 72.901369][ T8449] evdev_write+0x430/0x760 [ 72.905983][ T8449] vfs_write+0x28e/0xa30 [ 72.910395][ T8449] ksys_write+0x1ee/0x250 [ 72.914907][ T8449] do_syscall_64+0x3a/0xb0 [ 72.919508][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.925590][ T8449] [ 72.927902][ T8449] -> (&new->fa_lock){....}-{2:2} { [ 72.933015][ T8449] INITIAL READ USE at: [ 72.937332][ T8449] lock_acquire+0x1ab/0x510 [ 72.944001][ T8449] _raw_read_lock+0x5b/0x70 [ 72.950541][ T8449] kill_fasync+0x14b/0x460 [ 72.956947][ T8449] evdev_pass_values.part.0+0x64e/0x970 [ 72.964572][ T8449] evdev_events+0x28b/0x3f0 [ 72.971064][ T8449] input_to_handler+0x2a0/0x4c0 [ 72.977903][ T8449] input_pass_values.part.0+0x284/0x700 [ 72.985446][ T8449] input_handle_event+0x373/0x1440 [ 72.992585][ T8449] input_inject_event+0x2f5/0x310 [ 72.999607][ T8449] evdev_write+0x430/0x760 [ 73.006129][ T8449] vfs_write+0x28e/0xa30 [ 73.012478][ T8449] ksys_write+0x1ee/0x250 [ 73.018802][ T8449] do_syscall_64+0x3a/0xb0 [ 73.025215][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.035115][ T8449] } [ 73.037611][ T8449] ... key at: [] __key.0+0x0/0x40 [ 73.044723][ T8449] ... acquired at: [ 73.048513][ T8449] lock_acquire+0x1ab/0x510 [ 73.053281][ T8449] _raw_read_lock_irqsave+0x70/0x90 [ 73.058964][ T8449] send_sigio+0x24/0x370 [ 73.063374][ T8449] kill_fasync+0x205/0x460 [ 73.068053][ T8449] evdev_pass_values.part.0+0x64e/0x970 [ 73.073944][ T8449] evdev_events+0x28b/0x3f0 [ 73.078635][ T8449] input_to_handler+0x2a0/0x4c0 [ 73.083671][ T8449] input_pass_values.part.0+0x284/0x700 [ 73.089385][ T8449] input_handle_event+0x373/0x1440 [ 73.094661][ T8449] input_inject_event+0x2f5/0x310 [ 73.099846][ T8449] evdev_write+0x430/0x760 [ 73.104423][ T8449] vfs_write+0x28e/0xa30 [ 73.108838][ T8449] ksys_write+0x1ee/0x250 [ 73.113349][ T8449] do_syscall_64+0x3a/0xb0 [ 73.117943][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.124026][ T8449] [ 73.126358][ T8449] [ 73.126358][ T8449] the dependencies between the lock to be acquired [ 73.126365][ T8449] and HARDIRQ-irq-unsafe lock: [ 73.139870][ T8449] -> (&f->f_owner.lock){.+.+}-{2:2} { [ 73.145244][ T8449] HARDIRQ-ON-R at: [ 73.149227][ T8449] lock_acquire+0x1ab/0x510 [ 73.155380][ T8449] _raw_read_lock+0x5b/0x70 [ 73.161553][ T8449] do_fcntl+0x8b4/0x1200 [ 73.167457][ T8449] __x64_sys_fcntl+0x165/0x1e0 [ 73.173880][ T8449] do_syscall_64+0x3a/0xb0 [ 73.179967][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.187508][ T8449] SOFTIRQ-ON-R at: [ 73.191493][ T8449] lock_acquire+0x1ab/0x510 [ 73.197664][ T8449] _raw_read_lock+0x5b/0x70 [ 73.203813][ T8449] do_fcntl+0x8b4/0x1200 [ 73.209701][ T8449] __x64_sys_fcntl+0x165/0x1e0 [ 73.216111][ T8449] do_syscall_64+0x3a/0xb0 [ 73.222176][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.229778][ T8449] INITIAL READ USE at: [ 73.234097][ T8449] lock_acquire+0x1ab/0x510 [ 73.240620][ T8449] _raw_read_lock+0x5b/0x70 [ 73.247145][ T8449] do_fcntl+0x8b4/0x1200 [ 73.253383][ T8449] __x64_sys_fcntl+0x165/0x1e0 [ 73.260282][ T8449] do_syscall_64+0x3a/0xb0 [ 73.266892][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.274884][ T8449] } [ 73.277472][ T8449] ... key at: [] __key.5+0x0/0x40 [ 73.284659][ T8449] ... acquired at: [ 73.288451][ T8449] lock_acquire+0x1ab/0x510 [ 73.293125][ T8449] _raw_read_lock_irqsave+0x70/0x90 [ 73.298507][ T8449] send_sigio+0x24/0x370 [ 73.302913][ T8449] kill_fasync+0x205/0x460 [ 73.307493][ T8449] evdev_pass_values.part.0+0x64e/0x970 [ 73.313207][ T8449] evdev_events+0x28b/0x3f0 [ 73.317882][ T8449] input_to_handler+0x2a0/0x4c0 [ 73.322906][ T8449] input_pass_values.part.0+0x284/0x700 [ 73.328648][ T8449] input_handle_event+0x373/0x1440 [ 73.334203][ T8449] input_inject_event+0x2f5/0x310 [ 73.339397][ T8449] evdev_write+0x430/0x760 [ 73.343992][ T8449] vfs_write+0x28e/0xa30 [ 73.348415][ T8449] ksys_write+0x1ee/0x250 [ 73.352912][ T8449] do_syscall_64+0x3a/0xb0 [ 73.357511][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.363574][ T8449] [ 73.365886][ T8449] [ 73.365886][ T8449] stack backtrace: [ 73.371760][ T8449] CPU: 0 PID: 8449 Comm: syz-executor743 Not tainted 5.13.0-rc7-syzkaller #0 [ 73.380522][ T8449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.390620][ T8449] Call Trace: [ 73.393966][ T8449] dump_stack+0x141/0x1d7 [ 73.398345][ T8449] check_irq_usage.cold+0x4d6/0x6c5 [ 73.403591][ T8449] ? print_shortest_lock_dependencies+0x80/0x80 [ 73.409888][ T8449] ? kernel_text_address+0xbd/0xf0 [ 73.415135][ T8449] ? check_path.constprop.0+0x24/0x50 [ 73.420610][ T8449] ? register_lock_class+0xb6/0x1030 [ 73.426422][ T8449] ? stack_trace_save+0x8c/0xc0 [ 73.431314][ T8449] ? lockdep_lock+0xc6/0x200 [ 73.435925][ T8449] ? call_rcu_zapped+0xb0/0xb0 [ 73.440833][ T8449] __lock_acquire+0x2a2f/0x5230 [ 73.445850][ T8449] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.451879][ T8449] lock_acquire+0x1ab/0x510 [ 73.456544][ T8449] ? send_sigio+0x24/0x370 [ 73.461008][ T8449] ? lock_release+0x720/0x720 [ 73.465741][ T8449] ? lock_release+0x720/0x720 [ 73.470647][ T8449] ? lock_release+0x720/0x720 [ 73.475370][ T8449] _raw_read_lock_irqsave+0x70/0x90 [ 73.480653][ T8449] ? send_sigio+0x24/0x370 [ 73.485210][ T8449] send_sigio+0x24/0x370 [ 73.489519][ T8449] kill_fasync+0x205/0x460 [ 73.493966][ T8449] evdev_pass_values.part.0+0x64e/0x970 [ 73.499551][ T8449] ? evdev_release+0x410/0x410 [ 73.504354][ T8449] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 73.510193][ T8449] evdev_events+0x28b/0x3f0 [ 73.514747][ T8449] ? evdev_pass_values.part.0+0x970/0x970 [ 73.520507][ T8449] input_to_handler+0x2a0/0x4c0 [ 73.525388][ T8449] input_pass_values.part.0+0x284/0x700 [ 73.530973][ T8449] input_handle_event+0x373/0x1440 [ 73.536093][ T8449] input_inject_event+0x2f5/0x310 [ 73.541129][ T8449] evdev_write+0x430/0x760 [ 73.545579][ T8449] ? evdev_read+0xe40/0xe40 [ 73.550152][ T8449] ? security_file_permission+0x248/0x560 [ 73.555881][ T8449] ? evdev_read+0xe40/0xe40 [ 73.560575][ T8449] vfs_write+0x28e/0xa30 [ 73.564857][ T8449] ksys_write+0x1ee/0x250 [ 73.569195][ T8449] ? __ia32_sys_read+0xb0/0xb0 [ 73.573979][ T8449] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.579882][ T8449] do_syscall_64+0x3a/0xb0 [ 73.584305][ T8449] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.590207][ T8449] RIP: 0033:0x443519 [ 73.594118][ T8449] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 [ 73.613878][ T8449] RSP: 002b:00007fff0b4b6758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.622304][ T8449] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443519 [ 73.630271][ T8449] RDX: 0000000000000373 RSI: 0000000020000040 RDI: 0000000000000004 [ 73.638342][ T8449] RBP: 00000000004030c0 R08: 00000000004004a0 R09: 00000000004004a0 [ 73.646318][ T8449] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000403150 [