[ 39.985767][ T213] device veth0_macvtap left promiscuous mode [ 39.991859][ T213] device veth1_vlan left promiscuous mode [ 39.997728][ T213] device veth0_vlan left promiscuous mode [ 42.483624][ T213] team0 (unregistering): Port device team_slave_1 removed [ 42.500015][ T213] team0 (unregistering): Port device team_slave_0 removed [ 42.512025][ T213] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.524386][ T213] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.560737][ T213] bond0 (unregistering): Released all slaves [ 43.708657][ T5444] can: request_module (can-proto-0) failed. [ 43.722965][ T5444] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. [ 62.321368][ T5915] [ 62.323729][ T5915] ===================================================== [ 62.330628][ T5915] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 62.338049][ T5915] 5.11.0-syzkaller #0 Not tainted [ 62.343036][ T5915] ----------------------------------------------------- [ 62.349948][ T5915] syz-executor993/5915 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 62.358075][ T5915] ffffffff8a40a098 (tasklist_lock){.+.+}-{2:2}, at: send_sigio+0x8c/0x2a0 [ 62.366566][ T5915] [ 62.366566][ T5915] and this task is already holding: [ 62.374408][ T5915] ffff888012d4bcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x1c/0x2a0 [ 62.383157][ T5915] which would create a new lock dependency: [ 62.389782][ T5915] (&f->f_owner.lock){....}-{2:2} -> (tasklist_lock){.+.+}-{2:2} [ 62.398928][ T5915] [ 62.398928][ T5915] but this new dependency connects a HARDIRQ-irq-safe lock: [ 62.408646][ T5915] (&dev->event_lock){-...}-{2:2} [ 62.408654][ T5915] [ 62.408654][ T5915] ... which became HARDIRQ-irq-safe at: [ 62.421487][ T5915] lock_acquire+0x1a8/0x720 [ 62.426057][ T5915] _raw_spin_lock_irqsave+0x39/0x50 [ 62.431314][ T5915] input_event+0x41/0x80 [ 62.436497][ T5915] psmouse_report_standard_buttons+0x1b/0x50 [ 62.442947][ T5915] psmouse_process_byte+0x1ae/0x7a0 [ 62.448596][ T5915] psmouse_handle_byte+0x3c/0x180 [ 62.454121][ T5915] psmouse_interrupt+0x22b/0xd60 [ 62.459425][ T5915] serio_interrupt+0x7e/0x110 [ 62.464276][ T5915] i8042_interrupt+0x17b/0x410 [ 62.469096][ T5915] __handle_irq_event_percpu+0x256/0x680 [ 62.475118][ T5915] handle_irq_event+0xfa/0x260 [ 62.480344][ T5915] handle_edge_irq+0x203/0xb50 [ 62.485276][ T5915] asm_call_irq_on_stack+0xf/0x20 [ 62.490353][ T5915] common_interrupt+0x120/0x200 [ 62.495519][ T5915] asm_common_interrupt+0x1e/0x40 [ 62.501015][ T5915] _raw_spin_unlock_irqrestore+0x25/0x50 [ 62.507388][ T5915] i8042_command+0x8b/0xb0 [ 62.511854][ T5915] i8042_aux_write+0xb1/0x100 [ 62.516581][ T5915] ps2_do_sendbyte+0x1f2/0x5a0 [ 62.521394][ T5915] ps2_sendbyte+0x53/0x140 [ 62.525860][ T5915] cypress_ps2_sendbyte+0x21/0x130 [ 62.531024][ T5915] cypress_send_ext_cmd+0x1ae/0x7b0 [ 62.536307][ T5915] cypress_detect+0x6c/0x130 [ 62.540987][ T5915] psmouse_try_protocol+0x194/0x3a0 [ 62.546251][ T5915] psmouse_extensions+0x3f8/0x680 [ 62.551325][ T5915] psmouse_switch_protocol+0x4a2/0x690 [ 62.556960][ T5915] psmouse_connect+0x57b/0xe70 [ 62.561819][ T5915] serio_driver_probe+0x6d/0xa0 [ 62.566751][ T5915] really_probe+0x1fd/0xc60 [ 62.571328][ T5915] driver_probe_device+0x1ed/0x380 [ 62.576493][ T5915] device_driver_attach+0x1da/0x240 [ 62.581743][ T5915] __driver_attach+0xee/0x260 [ 62.586501][ T5915] bus_for_each_dev+0x119/0x1a0 [ 62.591400][ T5915] serio_handle_event+0x48f/0x750 [ 62.596478][ T5915] process_one_work+0x84c/0x13b0 [ 62.601698][ T5915] worker_thread+0x598/0xf80 [ 62.606529][ T5915] kthread+0x36f/0x450 [ 62.610650][ T5915] ret_from_fork+0x1f/0x30 [ 62.615511][ T5915] [ 62.615511][ T5915] to a HARDIRQ-irq-unsafe lock: [ 62.623035][ T5915] (tasklist_lock){.+.+}-{2:2} [ 62.623046][ T5915] [ 62.623046][ T5915] ... which became HARDIRQ-irq-unsafe at: [ 62.635958][ T5915] ... [ 62.635961][ T5915] lock_acquire+0x1a8/0x720 [ 62.643066][ T5915] _raw_read_lock+0x5b/0x70 [ 62.647621][ T5915] do_wait+0x28f/0x840 [ 62.651741][ T5915] kernel_wait+0x97/0x130 [ 62.656124][ T5915] call_usermodehelper_exec_work+0xbb/0x140 [ 62.662067][ T5915] process_one_work+0x84c/0x13b0 [ 62.667064][ T5915] worker_thread+0x598/0xf80 [ 62.671730][ T5915] kthread+0x36f/0x450 [ 62.675852][ T5915] ret_from_fork+0x1f/0x30 [ 62.680323][ T5915] [ 62.680323][ T5915] other info that might help us debug this: [ 62.680323][ T5915] [ 62.691053][ T5915] Chain exists of: [ 62.691053][ T5915] &dev->event_lock --> &f->f_owner.lock --> tasklist_lock [ 62.691053][ T5915] [ 62.704040][ T5915] Possible interrupt unsafe locking scenario: [ 62.704040][ T5915] [ 62.712325][ T5915] CPU0 CPU1 [ 62.717664][ T5915] ---- ---- [ 62.723025][ T5915] lock(tasklist_lock); [ 62.727235][ T5915] local_irq_disable(); [ 62.733973][ T5915] lock(&dev->event_lock); [ 62.740960][ T5915] lock(&f->f_owner.lock); [ 62.747956][ T5915] [ 62.751375][ T5915] lock(&dev->event_lock); [ 62.756016][ T5915] [ 62.756016][ T5915] *** DEADLOCK *** [ 62.756016][ T5915] [ 62.764124][ T5915] 9 locks held by syz-executor993/5915: [ 62.769630][ T5915] #0: ffff88814714a110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x181/0x600 [ 62.778829][ T5915] #1: ffff888145dcc230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0x6c/0x220 [ 62.788718][ T5915] #2: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x5d/0x220 [ 62.798314][ T5915] #3: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x550 [ 62.808346][ T5915] #4: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x50/0x2f0 [ 62.817422][ T5915] #5: ffff8880227e9028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xef/0xb10 [ 62.828151][ T5915] #6: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x36/0x310 [ 62.837168][ T5915] #7: ffff888015b53018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0xec/0x310 [ 62.846163][ T5915] #8: ffff888012d4bcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x1c/0x2a0 [ 62.855578][ T5915] [ 62.855578][ T5915] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 62.865967][ T5915] -> (&dev->event_lock){-...}-{2:2} { [ 62.871568][ T5915] IN-HARDIRQ-W at: [ 62.875791][ T5915] lock_acquire+0x1a8/0x720 [ 62.882433][ T5915] _raw_spin_lock_irqsave+0x39/0x50 [ 62.889785][ T5915] input_event+0x41/0x80 [ 62.896164][ T5915] psmouse_report_standard_buttons+0x1b/0x50 [ 62.904298][ T5915] psmouse_process_byte+0x1ae/0x7a0 [ 62.911629][ T5915] psmouse_handle_byte+0x3c/0x180 [ 62.918792][ T5915] psmouse_interrupt+0x22b/0xd60 [ 62.925888][ T5915] serio_interrupt+0x7e/0x110 [ 62.932723][ T5915] i8042_interrupt+0x17b/0x410 [ 62.939621][ T5915] __handle_irq_event_percpu+0x256/0x680 [ 62.947390][ T5915] handle_irq_event+0xfa/0x260 [ 62.954289][ T5915] handle_edge_irq+0x203/0xb50 [ 62.961448][ T5915] asm_call_irq_on_stack+0xf/0x20 [ 62.968609][ T5915] common_interrupt+0x120/0x200 [ 62.975628][ T5915] asm_common_interrupt+0x1e/0x40 [ 62.982792][ T5915] _raw_spin_unlock_irqrestore+0x25/0x50 [ 62.990557][ T5915] i8042_command+0x8b/0xb0 [ 62.997108][ T5915] i8042_aux_write+0xb1/0x100 [ 63.003944][ T5915] ps2_do_sendbyte+0x1f2/0x5a0 [ 63.010843][ T5915] ps2_sendbyte+0x53/0x140 [ 63.017406][ T5915] cypress_ps2_sendbyte+0x21/0x130 [ 63.024735][ T5915] cypress_send_ext_cmd+0x1ae/0x7b0 [ 63.032069][ T5915] cypress_detect+0x6c/0x130 [ 63.038859][ T5915] psmouse_try_protocol+0x194/0x3a0 [ 63.046195][ T5915] psmouse_extensions+0x3f8/0x680 [ 63.053353][ T5915] psmouse_switch_protocol+0x4a2/0x690 [ 63.061278][ T5915] psmouse_connect+0x57b/0xe70 [ 63.068197][ T5915] serio_driver_probe+0x6d/0xa0 [ 63.075203][ T5915] really_probe+0x1fd/0xc60 [ 63.081843][ T5915] driver_probe_device+0x1ed/0x380 [ 63.089110][ T5915] device_driver_attach+0x1da/0x240 [ 63.096461][ T5915] __driver_attach+0xee/0x260 [ 63.103291][ T5915] bus_for_each_dev+0x119/0x1a0 [ 63.110448][ T5915] serio_handle_event+0x48f/0x750 [ 63.117606][ T5915] process_one_work+0x84c/0x13b0 [ 63.124682][ T5915] worker_thread+0x598/0xf80 [ 63.131406][ T5915] kthread+0x36f/0x450 [ 63.137608][ T5915] ret_from_fork+0x1f/0x30 [ 63.144162][ T5915] INITIAL USE at: [ 63.148287][ T5915] lock_acquire+0x1a8/0x720 [ 63.154841][ T5915] _raw_spin_lock_irqsave+0x39/0x50 [ 63.162125][ T5915] input_inject_event+0x6c/0x220 [ 63.169121][ T5915] led_trigger_event+0x66/0xc0 [ 63.175947][ T5915] kbd_led_trigger_activate+0xb3/0xf0 [ 63.183681][ T5915] led_trigger_set+0x5ae/0xbe0 [ 63.191766][ T5915] led_trigger_set_default+0x167/0x200 [ 63.199458][ T5915] led_classdev_register_ext+0x4d7/0x710 [ 63.207136][ T5915] input_leds_connect+0x351/0x750 [ 63.214432][ T5915] input_attach_handler+0xfb/0x150 [ 63.222043][ T5915] input_register_device.cold+0xb7/0x29a [ 63.230133][ T5915] atkbd_connect+0x669/0x8e0 [ 63.237927][ T5915] serio_driver_probe+0x6d/0xa0 [ 63.244959][ T5915] really_probe+0x1fd/0xc60 [ 63.251519][ T5915] driver_probe_device+0x1ed/0x380 [ 63.259249][ T5915] device_driver_attach+0x1da/0x240 [ 63.266500][ T5915] __driver_attach+0xee/0x260 [ 63.273738][ T5915] bus_for_each_dev+0x119/0x1a0 [ 63.280694][ T5915] serio_handle_event+0x48f/0x750 [ 63.287808][ T5915] process_one_work+0x84c/0x13b0 [ 63.294827][ T5915] worker_thread+0x598/0xf80 [ 63.301613][ T5915] kthread+0x36f/0x450 [ 63.307855][ T5915] ret_from_fork+0x1f/0x30 [ 63.315100][ T5915] } [ 63.317836][ T5915] ... key at: [] __key.8+0x0/0x40 [ 63.326890][ T5915] ... acquired at: [ 63.330923][ T5915] _raw_spin_lock+0x2a/0x40 [ 63.336051][ T5915] evdev_pass_values.part.0+0xef/0xb10 [ 63.341656][ T5915] evdev_events+0x1d5/0x2f0 [ 63.346735][ T5915] input_to_handler+0x23d/0x4a0 [ 63.352432][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.358112][ T5915] input_handle_event+0xc18/0x1160 [ 63.363358][ T5915] input_inject_event+0x200/0x220 [ 63.368567][ T5915] evdev_write+0x364/0x600 [ 63.373134][ T5915] vfs_write+0x1c4/0x870 [ 63.377891][ T5915] ksys_write+0x171/0x1d0 [ 63.382359][ T5915] do_syscall_64+0x2d/0x70 [ 63.387092][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.393124][ T5915] [ 63.395434][ T5915] -> (&client->buffer_lock){....}-{2:2} { [ 63.401298][ T5915] INITIAL USE at: [ 63.405332][ T5915] lock_acquire+0x1a8/0x720 [ 63.411709][ T5915] _raw_spin_lock+0x2a/0x40 [ 63.418088][ T5915] evdev_pass_values.part.0+0xef/0xb10 [ 63.425417][ T5915] evdev_events+0x1d5/0x2f0 [ 63.431795][ T5915] input_to_handler+0x23d/0x4a0 [ 63.438650][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.446980][ T5915] input_handle_event+0xc18/0x1160 [ 63.454211][ T5915] input_inject_event+0x200/0x220 [ 63.461381][ T5915] evdev_write+0x364/0x600 [ 63.467885][ T5915] vfs_write+0x1c4/0x870 [ 63.474235][ T5915] ksys_write+0x171/0x1d0 [ 63.481125][ T5915] do_syscall_64+0x2d/0x70 [ 63.488980][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.497476][ T5915] } [ 63.500224][ T5915] ... key at: [] __key.4+0x0/0x40 [ 63.507471][ T5915] ... acquired at: [ 63.511416][ T5915] _raw_read_lock+0x5b/0x70 [ 63.516298][ T5915] kill_fasync+0xec/0x310 [ 63.521297][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 63.527248][ T5915] evdev_events+0x1d5/0x2f0 [ 63.532760][ T5915] input_to_handler+0x23d/0x4a0 [ 63.537873][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.543673][ T5915] input_handle_event+0xc18/0x1160 [ 63.549036][ T5915] input_inject_event+0x200/0x220 [ 63.554309][ T5915] evdev_write+0x364/0x600 [ 63.558971][ T5915] vfs_write+0x1c4/0x870 [ 63.563472][ T5915] ksys_write+0x171/0x1d0 [ 63.567941][ T5915] do_syscall_64+0x2d/0x70 [ 63.573029][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.579062][ T5915] [ 63.581355][ T5915] -> (&new->fa_lock){....}-{2:2} { [ 63.586524][ T5915] INITIAL READ USE at: [ 63.591135][ T5915] lock_acquire+0x1a8/0x720 [ 63.598268][ T5915] _raw_read_lock+0x5b/0x70 [ 63.604908][ T5915] kill_fasync+0xec/0x310 [ 63.611379][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 63.619063][ T5915] evdev_events+0x1d5/0x2f0 [ 63.626054][ T5915] input_to_handler+0x23d/0x4a0 [ 63.633041][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.640827][ T5915] input_handle_event+0xc18/0x1160 [ 63.648071][ T5915] input_inject_event+0x200/0x220 [ 63.655248][ T5915] evdev_write+0x364/0x600 [ 63.661816][ T5915] vfs_write+0x1c4/0x870 [ 63.668219][ T5915] ksys_write+0x171/0x1d0 [ 63.674686][ T5915] do_syscall_64+0x2d/0x70 [ 63.681238][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.689528][ T5915] } [ 63.692082][ T5915] ... key at: [] __key.0+0x0/0x40 [ 63.699596][ T5915] ... acquired at: [ 63.703453][ T5915] _raw_read_lock_irqsave+0x70/0x90 [ 63.708794][ T5915] send_sigio+0x1c/0x2a0 [ 63.713182][ T5915] kill_fasync+0x17a/0x310 [ 63.717735][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 63.723424][ T5915] evdev_events+0x1d5/0x2f0 [ 63.728069][ T5915] input_to_handler+0x23d/0x4a0 [ 63.733062][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.738752][ T5915] input_handle_event+0xc18/0x1160 [ 63.744009][ T5915] input_inject_event+0x200/0x220 [ 63.749170][ T5915] evdev_write+0x364/0x600 [ 63.753730][ T5915] vfs_write+0x1c4/0x870 [ 63.758142][ T5915] ksys_write+0x171/0x1d0 [ 63.762607][ T5915] do_syscall_64+0x2d/0x70 [ 63.767163][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.773196][ T5915] [ 63.775491][ T5915] -> (&f->f_owner.lock){....}-{2:2} { [ 63.780856][ T5915] INITIAL USE at: [ 63.784728][ T5915] lock_acquire+0x1a8/0x720 [ 63.790762][ T5915] _raw_write_lock_irq+0x32/0x50 [ 63.797229][ T5915] f_modown+0x23/0x320 [ 63.803119][ T5915] f_setown+0x8b/0x160 [ 63.808725][ T5915] do_fcntl+0x5a7/0xcd0 [ 63.814584][ T5915] __x64_sys_fcntl+0x11a/0x160 [ 63.820878][ T5915] do_syscall_64+0x2d/0x70 [ 63.826825][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.834253][ T5915] INITIAL READ USE at: [ 63.838548][ T5915] lock_acquire+0x1a8/0x720 [ 63.845192][ T5915] _raw_read_lock_irqsave+0x70/0x90 [ 63.852353][ T5915] send_sigio+0x1c/0x2a0 [ 63.858562][ T5915] kill_fasync+0x17a/0x310 [ 63.865116][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 63.872624][ T5915] evdev_events+0x1d5/0x2f0 [ 63.879090][ T5915] input_to_handler+0x23d/0x4a0 [ 63.885902][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.893582][ T5915] input_handle_event+0xc18/0x1160 [ 63.900667][ T5915] input_inject_event+0x200/0x220 [ 63.907860][ T5915] evdev_write+0x364/0x600 [ 63.914452][ T5915] vfs_write+0x1c4/0x870 [ 63.920683][ T5915] ksys_write+0x171/0x1d0 [ 63.926973][ T5915] do_syscall_64+0x2d/0x70 [ 63.933352][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.941557][ T5915] } [ 63.944029][ T5915] ... key at: [] __key.5+0x0/0x40 [ 63.951123][ T5915] ... acquired at: [ 63.954899][ T5915] lock_acquire+0x1a8/0x720 [ 63.959542][ T5915] _raw_read_lock+0x5b/0x70 [ 63.964185][ T5915] send_sigio+0x8c/0x2a0 [ 63.968654][ T5915] kill_fasync+0x17a/0x310 [ 63.973208][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 63.978905][ T5915] evdev_events+0x1d5/0x2f0 [ 63.983544][ T5915] input_to_handler+0x23d/0x4a0 [ 63.988535][ T5915] input_pass_values.part.0+0x1be/0x550 [ 63.994216][ T5915] input_handle_event+0xc18/0x1160 [ 63.999468][ T5915] input_inject_event+0x200/0x220 [ 64.004889][ T5915] evdev_write+0x364/0x600 [ 64.009443][ T5915] vfs_write+0x1c4/0x870 [ 64.014349][ T5915] ksys_write+0x171/0x1d0 [ 64.019132][ T5915] do_syscall_64+0x2d/0x70 [ 64.025303][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.032335][ T5915] [ 64.034630][ T5915] [ 64.034630][ T5915] the dependencies between the lock to be acquired [ 64.034632][ T5915] and HARDIRQ-irq-unsafe lock: [ 64.048550][ T5915] -> (tasklist_lock){.+.+}-{2:2} { [ 64.053748][ T5915] HARDIRQ-ON-R at: [ 64.057695][ T5915] lock_acquire+0x1a8/0x720 [ 64.063820][ T5915] _raw_read_lock+0x5b/0x70 [ 64.069942][ T5915] do_wait+0x28f/0x840 [ 64.075627][ T5915] kernel_wait+0x97/0x130 [ 64.081574][ T5915] call_usermodehelper_exec_work+0xbb/0x140 [ 64.089533][ T5915] process_one_work+0x84c/0x13b0 [ 64.096108][ T5915] worker_thread+0x598/0xf80 [ 64.102312][ T5915] kthread+0x36f/0x450 [ 64.108013][ T5915] ret_from_fork+0x1f/0x30 [ 64.114395][ T5915] SOFTIRQ-ON-R at: [ 64.118347][ T5915] lock_acquire+0x1a8/0x720 [ 64.124466][ T5915] _raw_read_lock+0x5b/0x70 [ 64.130586][ T5915] do_wait+0x28f/0x840 [ 64.136269][ T5915] kernel_wait+0x97/0x130 [ 64.142214][ T5915] call_usermodehelper_exec_work+0xbb/0x140 [ 64.149718][ T5915] process_one_work+0x84c/0x13b0 [ 64.156269][ T5915] worker_thread+0x598/0xf80 [ 64.162473][ T5915] kthread+0x36f/0x450 [ 64.168156][ T5915] ret_from_fork+0x1f/0x30 [ 64.174190][ T5915] INITIAL USE at: [ 64.178051][ T5915] lock_acquire+0x1a8/0x720 [ 64.184101][ T5915] _raw_write_lock_irq+0x32/0x50 [ 64.190570][ T5915] copy_process+0x2ebe/0x6770 [ 64.196779][ T5915] kernel_clone+0xb8/0x7f0 [ 64.202725][ T5915] kernel_thread+0xa3/0xe0 [ 64.208676][ T5915] rest_init+0x1e/0x298 [ 64.214372][ T5915] start_kernel+0x330/0x34d [ 64.220412][ T5915] secondary_startup_64_no_verify+0xb0/0xbb [ 64.228006][ T5915] INITIAL READ USE at: [ 64.233661][ T5915] lock_acquire+0x1a8/0x720 [ 64.240230][ T5915] _raw_read_lock+0x5b/0x70 [ 64.246698][ T5915] do_wait+0x28f/0x840 [ 64.253256][ T5915] kernel_wait+0x97/0x130 [ 64.259683][ T5915] call_usermodehelper_exec_work+0xbb/0x140 [ 64.267549][ T5915] process_one_work+0x84c/0x13b0 [ 64.275834][ T5915] worker_thread+0x598/0xf80 [ 64.282992][ T5915] kthread+0x36f/0x450 [ 64.289960][ T5915] ret_from_fork+0x1f/0x30 [ 64.297751][ T5915] } [ 64.301407][ T5915] ... key at: [] tasklist_lock+0x18/0x40 [ 64.310900][ T5915] ... acquired at: [ 64.315012][ T5915] lock_acquire+0x1a8/0x720 [ 64.319693][ T5915] _raw_read_lock+0x5b/0x70 [ 64.324364][ T5915] send_sigio+0x8c/0x2a0 [ 64.328748][ T5915] kill_fasync+0x17a/0x310 [ 64.333304][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 64.338989][ T5915] evdev_events+0x1d5/0x2f0 [ 64.343647][ T5915] input_to_handler+0x23d/0x4a0 [ 64.348636][ T5915] input_pass_values.part.0+0x1be/0x550 [ 64.354322][ T5915] input_handle_event+0xc18/0x1160 [ 64.359728][ T5915] input_inject_event+0x200/0x220 [ 64.365015][ T5915] evdev_write+0x364/0x600 [ 64.369817][ T5915] vfs_write+0x1c4/0x870 [ 64.374316][ T5915] ksys_write+0x171/0x1d0 [ 64.378782][ T5915] do_syscall_64+0x2d/0x70 [ 64.383343][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.389395][ T5915] [ 64.391695][ T5915] [ 64.391695][ T5915] stack backtrace: [ 64.397636][ T5915] CPU: 0 PID: 5915 Comm: syz-executor993 Not tainted 5.11.0-syzkaller #0 [ 64.406028][ T5915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.416050][ T5915] Call Trace: [ 64.419407][ T5915] dump_stack+0x9a/0xcc [ 64.423534][ T5915] check_irq_usage.cold+0x50d/0x744 [ 64.428699][ T5915] ? print_shortest_lock_dependencies+0x80/0x80 [ 64.434907][ T5915] ? check_path.constprop.0+0x22/0x40 [ 64.440243][ T5915] ? mark_lock+0xee/0x1720 [ 64.444621][ T5915] ? mark_lock+0xee/0x1720 [ 64.449000][ T5915] ? lock_chain_count+0x20/0x20 [ 64.453812][ T5915] ? lockdep_lock+0xc6/0x200 [ 64.458366][ T5915] ? call_rcu_zapped+0xb0/0xb0 [ 64.463114][ T5915] ? do_raw_spin_unlock+0x171/0x230 [ 64.468277][ T5915] __lock_acquire+0x2b51/0x57d0 [ 64.473094][ T5915] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 64.479050][ T5915] lock_acquire+0x1a8/0x720 [ 64.483538][ T5915] ? send_sigio+0x8c/0x2a0 [ 64.487919][ T5915] ? lock_release+0x710/0x710 [ 64.492561][ T5915] ? lock_acquire+0x1a8/0x720 [ 64.497254][ T5915] ? lock_release+0x710/0x710 [ 64.501924][ T5915] ? lock_release+0x710/0x710 [ 64.506567][ T5915] _raw_read_lock+0x5b/0x70 [ 64.511042][ T5915] ? send_sigio+0x8c/0x2a0 [ 64.515422][ T5915] send_sigio+0x8c/0x2a0 [ 64.519632][ T5915] kill_fasync+0x17a/0x310 [ 64.524014][ T5915] evdev_pass_values.part.0+0x57b/0xb10 [ 64.529527][ T5915] ? evdev_release+0x390/0x390 [ 64.534379][ T5915] evdev_events+0x1d5/0x2f0 [ 64.538848][ T5915] input_to_handler+0x23d/0x4a0 [ 64.543664][ T5915] input_pass_values.part.0+0x1be/0x550 [ 64.549172][ T5915] ? rwlock_bug.part.0+0x90/0x90 [ 64.554160][ T5915] input_handle_event+0xc18/0x1160 [ 64.559235][ T5915] input_inject_event+0x200/0x220 [ 64.564250][ T5915] evdev_write+0x364/0x600 [ 64.568649][ T5915] ? evdev_read+0xbd0/0xbd0 [ 64.573123][ T5915] ? apparmor_file_permission+0x14e/0x450 [ 64.578821][ T5915] ? security_file_permission+0x49/0x460 [ 64.584623][ T5915] vfs_write+0x1c4/0x870 [ 64.588856][ T5915] ksys_write+0x171/0x1d0 [ 64.593446][ T5915] ? __ia32_sys_read+0xa0/0xa0 [ 64.598216][ T5915] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 64.604186][ T5915] ? syscall_enter_from_user_mode+0x27/0x70 [ 64.610049][ T5915] do_syscall_64+0x2d/0x70 [ 64.614431][ T5915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.620470][ T5915] RIP: 0033:0x7f1608270339 [ 64.624854][ T5915] 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 [ 64.644445][ T5915] RSP: 002b:00007f160821a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.652820][ T5915] RAX: ffffffffffffffda RBX: 00007f16082f44c0 RCX: 00007f1608270339 [ 64.660757][ T5915] RDX: 0000000000003888 RSI: 0000000020000080 RDI: 0000000000000004 [ 64.668696][ T5915] RBP: 00007f16082c107c R08: 0000000000000000 R09: 0000000000000000 [ 64.676633][ T5915] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200012a8 [ 64.684572][ T5915] R13: f36140dfc32eddd6 R14: 0030656c69662f2e R15: 00007f16082f44c8 [ 70.719043][ T5] cfg80211: failed to load regulatory.db