DUID 00:04:a4:d9:44:a1:3e:a2:79:db:da:6d:5d:0b:f7:25:ed:85 forked to background, child pid 3218 [ 38.930997][ T3219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.941052][ T3219] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. executing program syzkaller login: [ 61.041512][ T3547] [ 61.043892][ T3547] ===================================================== [ 61.050819][ T3547] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 61.058282][ T3547] 6.1.52-syzkaller #0 Not tainted [ 61.063298][ T3547] ----------------------------------------------------- [ 61.070224][ T3547] syz-executor359/3547 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 61.078286][ T3547] ffff888020cbe0c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x16a/0x490 [ 61.087022][ T3547] [ 61.087022][ T3547] and this task is already holding: [ 61.094384][ T3547] ffff8880166e6028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 [ 61.104161][ T3547] which would create a new lock dependency: [ 61.110046][ T3547] (&client->buffer_lock){....}-{2:2} -> (&new->fa_lock){....}-{2:2} [ 61.118173][ T3547] [ 61.118173][ T3547] but this new dependency connects a HARDIRQ-irq-safe lock: [ 61.127719][ T3547] (&dev->event_lock#2){-...}-{2:2} [ 61.127751][ T3547] [ 61.127751][ T3547] ... which became HARDIRQ-irq-safe at: [ 61.140651][ T3547] lock_acquire+0x1f8/0x5a0 [ 61.145261][ T3547] _raw_spin_lock_irqsave+0xd1/0x120 [ 61.150704][ T3547] input_event+0x8d/0xd0 [ 61.155063][ T3547] psmouse_report_standard_packet+0x50/0x200 [ 61.161163][ T3547] psmouse_process_byte+0x45b/0x640 [ 61.166468][ T3547] psmouse_handle_byte+0x46/0x4b0 [ 61.171584][ T3547] psmouse_interrupt+0x697/0x10a0 [ 61.176699][ T3547] serio_interrupt+0x88/0x130 [ 61.181503][ T3547] i8042_interrupt+0x357/0x750 [ 61.186372][ T3547] __handle_irq_event_percpu+0x2a8/0xb20 [ 61.192139][ T3547] handle_irq_event+0x85/0x1e0 [ 61.197007][ T3547] handle_edge_irq+0x245/0xbf0 [ 61.201866][ T3547] __common_interrupt+0xd7/0x1f0 [ 61.206915][ T3547] common_interrupt+0x9f/0xc0 [ 61.211683][ T3547] asm_common_interrupt+0x22/0x40 [ 61.216805][ T3547] _raw_spin_unlock_irqrestore+0xd4/0x130 [ 61.222615][ T3547] i8042_aux_write+0x112/0x190 [ 61.227471][ T3547] ps2_do_sendbyte+0x20a/0x720 [ 61.232328][ T3547] ps2_sendbyte+0x5c/0x120 [ 61.236857][ T3547] cypress_send_ext_cmd+0x21d/0x900 [ 61.242169][ T3547] cypress_detect+0x8f/0x220 [ 61.246858][ T3547] psmouse_extensions+0xc2a/0x1550 [ 61.252057][ T3547] psmouse_switch_protocol+0x308/0x840 [ 61.257616][ T3547] psmouse_connect+0x903/0x14c0 [ 61.262554][ T3547] serio_driver_probe+0x74/0x90 [ 61.267589][ T3547] really_probe+0x2ab/0xcb0 [ 61.272183][ T3547] __driver_probe_device+0x1a2/0x3d0 [ 61.277558][ T3547] driver_probe_device+0x50/0x420 [ 61.282672][ T3547] __driver_attach+0x458/0x6f0 [ 61.287523][ T3547] bus_for_each_dev+0x17c/0x1f0 [ 61.292462][ T3547] serio_handle_event+0x56a/0x8f0 [ 61.297666][ T3547] process_one_work+0x8aa/0x11f0 [ 61.302795][ T3547] worker_thread+0xa5f/0x1210 [ 61.307564][ T3547] kthread+0x26e/0x300 [ 61.311718][ T3547] ret_from_fork+0x1f/0x30 [ 61.316224][ T3547] [ 61.316224][ T3547] to a HARDIRQ-irq-unsafe lock: [ 61.323364][ T3547] (tasklist_lock){.+.+}-{2:2} [ 61.323390][ T3547] [ 61.323390][ T3547] ... which became HARDIRQ-irq-unsafe at: [ 61.336034][ T3547] ... [ 61.336042][ T3547] lock_acquire+0x1f8/0x5a0 [ 61.343253][ T3547] _raw_read_lock+0x32/0x40 [ 61.347854][ T3547] do_wait+0x2c3/0xb70 [ 61.352021][ T3547] kernel_wait+0xe5/0x230 [ 61.356496][ T3547] call_usermodehelper_exec_work+0xb5/0x220 [ 61.362540][ T3547] process_one_work+0x8aa/0x11f0 [ 61.367577][ T3547] worker_thread+0xa5f/0x1210 [ 61.372345][ T3547] kthread+0x26e/0x300 [ 61.376525][ T3547] ret_from_fork+0x1f/0x30 [ 61.381035][ T3547] [ 61.381035][ T3547] other info that might help us debug this: [ 61.381035][ T3547] [ 61.391259][ T3547] Chain exists of: [ 61.391259][ T3547] &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock [ 61.391259][ T3547] [ 61.404823][ T3547] Possible interrupt unsafe locking scenario: [ 61.404823][ T3547] [ 61.413140][ T3547] CPU0 CPU1 [ 61.418532][ T3547] ---- ---- [ 61.423909][ T3547] lock(tasklist_lock); [ 61.428168][ T3547] local_irq_disable(); [ 61.434919][ T3547] lock(&dev->event_lock#2); [ 61.442125][ T3547] lock(&client->buffer_lock); [ 61.449528][ T3547] [ 61.452979][ T3547] lock(&dev->event_lock#2); [ 61.457836][ T3547] [ 61.457836][ T3547] *** DEADLOCK *** [ 61.457836][ T3547] [ 61.465972][ T3547] 7 locks held by syz-executor359/3547: [ 61.471513][ T3547] #0: ffff888148782110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x26d/0x7c0 [ 61.480659][ T3547] #1: ffff888014be5230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xc1/0x300 [ 61.490853][ T3547] #2: ffffffff8d129f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 61.500163][ T3547] #3: ffffffff8d129f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 61.509474][ T3547] #4: ffffffff8d129f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 61.518788][ T3547] #5: ffff8880166e6028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 [ 61.529057][ T3547] #6: ffffffff8d129f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 61.538484][ T3547] [ 61.538484][ T3547] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 61.548988][ T3547] -> (&dev->event_lock#2){-...}-{2:2} { [ 61.554673][ T3547] IN-HARDIRQ-W at: [ 61.558741][ T3547] lock_acquire+0x1f8/0x5a0 [ 61.565080][ T3547] _raw_spin_lock_irqsave+0xd1/0x120 [ 61.572201][ T3547] input_event+0x8d/0xd0 [ 61.578276][ T3547] psmouse_report_standard_packet+0x50/0x200 [ 61.586126][ T3547] psmouse_process_byte+0x45b/0x640 [ 61.593163][ T3547] psmouse_handle_byte+0x46/0x4b0 [ 61.600015][ T3547] psmouse_interrupt+0x697/0x10a0 [ 61.606974][ T3547] serio_interrupt+0x88/0x130 [ 61.613481][ T3547] i8042_interrupt+0x357/0x750 [ 61.620073][ T3547] __handle_irq_event_percpu+0x2a8/0xb20 [ 61.627536][ T3547] handle_irq_event+0x85/0x1e0 [ 61.634131][ T3547] handle_edge_irq+0x245/0xbf0 [ 61.640719][ T3547] __common_interrupt+0xd7/0x1f0 [ 61.647501][ T3547] common_interrupt+0x9f/0xc0 [ 61.654018][ T3547] asm_common_interrupt+0x22/0x40 [ 61.660970][ T3547] _raw_spin_unlock_irqrestore+0xd4/0x130 [ 61.668525][ T3547] i8042_aux_write+0x112/0x190 [ 61.675161][ T3547] ps2_do_sendbyte+0x20a/0x720 [ 61.681811][ T3547] ps2_sendbyte+0x5c/0x120 [ 61.688074][ T3547] cypress_send_ext_cmd+0x21d/0x900 [ 61.695187][ T3547] cypress_detect+0x8f/0x220 [ 61.701607][ T3547] psmouse_extensions+0xc2a/0x1550 [ 61.708543][ T3547] psmouse_switch_protocol+0x308/0x840 [ 61.715833][ T3547] psmouse_connect+0x903/0x14c0 [ 61.722510][ T3547] serio_driver_probe+0x74/0x90 [ 61.729185][ T3547] really_probe+0x2ab/0xcb0 [ 61.735522][ T3547] __driver_probe_device+0x1a2/0x3d0 [ 61.742632][ T3547] driver_probe_device+0x50/0x420 [ 61.749581][ T3547] __driver_attach+0x458/0x6f0 [ 61.756174][ T3547] bus_for_each_dev+0x17c/0x1f0 [ 61.762845][ T3547] serio_handle_event+0x56a/0x8f0 [ 61.769695][ T3547] process_one_work+0x8aa/0x11f0 [ 61.776464][ T3547] worker_thread+0xa5f/0x1210 [ 61.782970][ T3547] kthread+0x26e/0x300 [ 61.788863][ T3547] ret_from_fork+0x1f/0x30 [ 61.795104][ T3547] INITIAL USE at: [ 61.799084][ T3547] lock_acquire+0x1f8/0x5a0 [ 61.805321][ T3547] _raw_spin_lock_irqsave+0xd1/0x120 [ 61.812345][ T3547] input_inject_event+0xc1/0x300 [ 61.819052][ T3547] led_trigger_event+0xed/0x1a0 [ 61.825648][ T3547] kbd_led_trigger_activate+0xb9/0x100 [ 61.832850][ T3547] led_trigger_set+0x53a/0x910 [ 61.839449][ T3547] led_trigger_set_default+0x1c2/0x200 [ 61.846651][ T3547] led_classdev_register_ext+0x600/0x7e0 [ 61.854026][ T3547] input_leds_connect+0x48f/0x630 [ 61.860811][ T3547] input_register_device+0xcec/0x1080 [ 61.867923][ T3547] atkbd_connect+0x79d/0x9e0 [ 61.874252][ T3547] serio_driver_probe+0x74/0x90 [ 61.880843][ T3547] really_probe+0x2ab/0xcb0 [ 61.887197][ T3547] __driver_probe_device+0x1a2/0x3d0 [ 61.894242][ T3547] driver_probe_device+0x50/0x420 [ 61.901050][ T3547] __driver_attach+0x458/0x6f0 [ 61.908171][ T3547] bus_for_each_dev+0x17c/0x1f0 [ 61.914762][ T3547] serio_handle_event+0x56a/0x8f0 [ 61.921530][ T3547] process_one_work+0x8aa/0x11f0 [ 61.928207][ T3547] worker_thread+0xa5f/0x1210 [ 61.934629][ T3547] kthread+0x26e/0x300 [ 61.940443][ T3547] ret_from_fork+0x1f/0x30 [ 61.946600][ T3547] } [ 61.949178][ T3547] ... key at: [] input_allocate_device.__key.5+0x0/0x20 [ 61.958301][ T3547] -> (&client->buffer_lock){....}-{2:2} { [ 61.964033][ T3547] INITIAL USE at: [ 61.967921][ T3547] lock_acquire+0x1f8/0x5a0 [ 61.973981][ T3547] _raw_spin_lock+0x2a/0x40 [ 61.980076][ T3547] evdev_pass_values+0xee/0xad0 [ 61.986579][ T3547] evdev_events+0x198/0x2c0 [ 61.992659][ T3547] input_pass_values+0x8dc/0x1290 [ 61.999251][ T3547] input_event_dispose+0x366/0x650 [ 62.005940][ T3547] input_handle_event+0x97d/0xb00 [ 62.012621][ T3547] input_inject_event+0x1fd/0x300 [ 62.019219][ T3547] evdev_write+0x668/0x7c0 [ 62.025216][ T3547] vfs_write+0x2d9/0xba0 [ 62.031062][ T3547] ksys_write+0x19c/0x2c0 [ 62.036955][ T3547] do_syscall_64+0x3d/0xb0 [ 62.042960][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.050445][ T3547] } [ 62.052938][ T3547] ... key at: [] evdev_open.__key.25+0x0/0x20 [ 62.061101][ T3547] ... acquired at: [ 62.064893][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.069565][ T3547] _raw_spin_lock+0x2a/0x40 [ 62.074252][ T3547] evdev_pass_values+0xee/0xad0 [ 62.079286][ T3547] evdev_events+0x198/0x2c0 [ 62.083989][ T3547] input_pass_values+0x8dc/0x1290 [ 62.089567][ T3547] input_event_dispose+0x366/0x650 [ 62.094855][ T3547] input_handle_event+0x97d/0xb00 [ 62.100091][ T3547] input_inject_event+0x1fd/0x300 [ 62.105294][ T3547] evdev_write+0x668/0x7c0 [ 62.109890][ T3547] vfs_write+0x2d9/0xba0 [ 62.114319][ T3547] ksys_write+0x19c/0x2c0 [ 62.118845][ T3547] do_syscall_64+0x3d/0xb0 [ 62.123436][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.129511][ T3547] [ 62.131839][ T3547] [ 62.131839][ T3547] the dependencies between the lock to be acquired [ 62.131847][ T3547] and HARDIRQ-irq-unsafe lock: [ 62.145368][ T3547] -> (tasklist_lock){.+.+}-{2:2} { [ 62.150699][ T3547] HARDIRQ-ON-R at: [ 62.154941][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.161452][ T3547] _raw_read_lock+0x32/0x40 [ 62.167956][ T3547] do_wait+0x2c3/0xb70 [ 62.174027][ T3547] kernel_wait+0xe5/0x230 [ 62.180364][ T3547] call_usermodehelper_exec_work+0xb5/0x220 [ 62.188254][ T3547] process_one_work+0x8aa/0x11f0 [ 62.195195][ T3547] worker_thread+0xa5f/0x1210 [ 62.201897][ T3547] kthread+0x26e/0x300 [ 62.207962][ T3547] ret_from_fork+0x1f/0x30 [ 62.214380][ T3547] SOFTIRQ-ON-R at: [ 62.218555][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.225146][ T3547] _raw_read_lock+0x32/0x40 [ 62.231653][ T3547] do_wait+0x2c3/0xb70 [ 62.237726][ T3547] kernel_wait+0xe5/0x230 [ 62.244242][ T3547] call_usermodehelper_exec_work+0xb5/0x220 [ 62.252133][ T3547] process_one_work+0x8aa/0x11f0 [ 62.259109][ T3547] worker_thread+0xa5f/0x1210 [ 62.265788][ T3547] kthread+0x26e/0x300 [ 62.271852][ T3547] ret_from_fork+0x1f/0x30 [ 62.278295][ T3547] INITIAL USE at: [ 62.282380][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.288801][ T3547] _raw_write_lock_irq+0xcf/0x110 [ 62.295835][ T3547] copy_process+0x2483/0x4020 [ 62.302437][ T3547] kernel_clone+0x222/0x920 [ 62.308851][ T3547] user_mode_thread+0x12e/0x190 [ 62.315631][ T3547] rest_init+0x21/0x2b0 [ 62.321727][ T3547] start_kernel+0x0/0x53f [ 62.327966][ T3547] start_kernel+0x496/0x53f [ 62.334426][ T3547] secondary_startup_64_no_verify+0xcf/0xdb [ 62.342234][ T3547] INITIAL READ USE at: [ 62.346734][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.353583][ T3547] _raw_read_lock+0x32/0x40 [ 62.360442][ T3547] do_wait+0x2c3/0xb70 [ 62.366863][ T3547] kernel_wait+0xe5/0x230 [ 62.373763][ T3547] call_usermodehelper_exec_work+0xb5/0x220 [ 62.382120][ T3547] process_one_work+0x8aa/0x11f0 [ 62.389423][ T3547] worker_thread+0xa5f/0x1210 [ 62.396470][ T3547] kthread+0x26e/0x300 [ 62.402881][ T3547] ret_from_fork+0x1f/0x30 [ 62.409658][ T3547] } [ 62.412327][ T3547] ... key at: [] tasklist_lock+0x18/0x40 [ 62.420227][ T3547] ... acquired at: [ 62.424199][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.428890][ T3547] _raw_read_lock+0x32/0x40 [ 62.433575][ T3547] send_sigio+0xd2/0x330 [ 62.437990][ T3547] kill_fasync+0x20c/0x490 [ 62.442581][ T3547] lease_break_callback+0x22/0x30 [ 62.447885][ T3547] __break_lease+0x4d1/0x1550 [ 62.452746][ T3547] do_dentry_open+0x76c/0x10f0 [ 62.457700][ T3547] path_openat+0x2644/0x2e60 [ 62.462472][ T3547] do_filp_open+0x230/0x480 [ 62.467173][ T3547] do_sys_openat2+0x13b/0x500 [ 62.472042][ T3547] __x64_sys_open+0x221/0x270 [ 62.476889][ T3547] do_syscall_64+0x3d/0xb0 [ 62.481474][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.487547][ T3547] [ 62.489870][ T3547] -> (&f->f_owner.lock){....}-{2:2} { [ 62.495437][ T3547] INITIAL USE at: [ 62.499421][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.505658][ T3547] _raw_write_lock_irq+0xcf/0x110 [ 62.512427][ T3547] f_modown+0x38/0x340 [ 62.518231][ T3547] do_fcntl+0x10cf/0x1480 [ 62.524322][ T3547] __se_sys_fcntl+0xd5/0x1b0 [ 62.530742][ T3547] do_syscall_64+0x3d/0xb0 [ 62.536921][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.544928][ T3547] INITIAL READ USE at: [ 62.549347][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.556109][ T3547] _raw_read_lock_irqsave+0xd9/0x120 [ 62.563594][ T3547] send_sigio+0x2f/0x330 [ 62.570030][ T3547] kill_fasync+0x20c/0x490 [ 62.576651][ T3547] lease_break_callback+0x22/0x30 [ 62.583846][ T3547] __break_lease+0x4d1/0x1550 [ 62.590702][ T3547] do_dentry_open+0x76c/0x10f0 [ 62.597664][ T3547] path_openat+0x2644/0x2e60 [ 62.604431][ T3547] do_filp_open+0x230/0x480 [ 62.611110][ T3547] do_sys_openat2+0x13b/0x500 [ 62.618046][ T3547] __x64_sys_open+0x221/0x270 [ 62.624895][ T3547] do_syscall_64+0x3d/0xb0 [ 62.631484][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.639555][ T3547] } [ 62.642133][ T3547] ... key at: [] __alloc_file.__key+0x0/0x10 [ 62.650327][ T3547] ... acquired at: [ 62.654211][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.658882][ T3547] _raw_read_lock_irqsave+0xd9/0x120 [ 62.664344][ T3547] send_sigio+0x2f/0x330 [ 62.668755][ T3547] kill_fasync+0x20c/0x490 [ 62.673342][ T3547] lease_break_callback+0x22/0x30 [ 62.678630][ T3547] __break_lease+0x4d1/0x1550 [ 62.683574][ T3547] do_dentry_open+0x76c/0x10f0 [ 62.688514][ T3547] path_openat+0x2644/0x2e60 [ 62.693281][ T3547] do_filp_open+0x230/0x480 [ 62.698003][ T3547] do_sys_openat2+0x13b/0x500 [ 62.702852][ T3547] __x64_sys_open+0x221/0x270 [ 62.707694][ T3547] do_syscall_64+0x3d/0xb0 [ 62.712276][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.718346][ T3547] [ 62.720751][ T3547] -> (&new->fa_lock){....}-{2:2} { [ 62.725872][ T3547] INITIAL READ USE at: [ 62.730195][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.736693][ T3547] _raw_read_lock_irqsave+0xd9/0x120 [ 62.743981][ T3547] kill_fasync+0x16a/0x490 [ 62.750397][ T3547] lease_break_callback+0x22/0x30 [ 62.757487][ T3547] __break_lease+0x4d1/0x1550 [ 62.764269][ T3547] do_dentry_open+0x76c/0x10f0 [ 62.771044][ T3547] path_openat+0x2644/0x2e60 [ 62.777637][ T3547] do_filp_open+0x230/0x480 [ 62.784149][ T3547] do_sys_openat2+0x13b/0x500 [ 62.790840][ T3547] __x64_sys_open+0x221/0x270 [ 62.797515][ T3547] do_syscall_64+0x3d/0xb0 [ 62.803929][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.811914][ T3547] } [ 62.814408][ T3547] ... key at: [] fasync_insert_entry.__key+0x0/0x20 [ 62.823086][ T3547] ... acquired at: [ 62.826880][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.831555][ T3547] _raw_read_lock_irqsave+0xd9/0x120 [ 62.837016][ T3547] kill_fasync+0x16a/0x490 [ 62.841601][ T3547] evdev_pass_values+0x586/0xad0 [ 62.846720][ T3547] evdev_events+0x198/0x2c0 [ 62.851399][ T3547] input_pass_values+0x8dc/0x1290 [ 62.856593][ T3547] input_event_dispose+0x366/0x650 [ 62.861898][ T3547] input_handle_event+0x97d/0xb00 [ 62.867096][ T3547] input_inject_event+0x1fd/0x300 [ 62.872386][ T3547] evdev_write+0x668/0x7c0 [ 62.876979][ T3547] vfs_write+0x2d9/0xba0 [ 62.881397][ T3547] ksys_write+0x19c/0x2c0 [ 62.885893][ T3547] do_syscall_64+0x3d/0xb0 [ 62.890481][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.896551][ T3547] [ 62.898870][ T3547] [ 62.898870][ T3547] stack backtrace: [ 62.904753][ T3547] CPU: 1 PID: 3547 Comm: syz-executor359 Not tainted 6.1.52-syzkaller #0 [ 62.913163][ T3547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 62.923220][ T3547] Call Trace: [ 62.926494][ T3547] [ 62.929426][ T3547] dump_stack_lvl+0x1e3/0x2cb [ 62.934116][ T3547] ? nf_tcp_handle_invalid+0x642/0x642 [ 62.939607][ T3547] ? panic+0x75d/0x75d [ 62.943682][ T3547] ? print_shortest_lock_dependencies+0xee/0x150 [ 62.950098][ T3547] validate_chain+0x4d2e/0x58e0 [ 62.954959][ T3547] ? reacquire_held_locks+0x660/0x660 [ 62.960373][ T3547] ? register_lock_class+0x100/0x990 [ 62.965748][ T3547] ? do_raw_spin_unlock+0x137/0x8a0 [ 62.971042][ T3547] ? is_dynamic_key+0x230/0x230 [ 62.975904][ T3547] ? mark_lock+0x9a/0x340 [ 62.980238][ T3547] __lock_acquire+0x125b/0x1f80 [ 62.985097][ T3547] lock_acquire+0x1f8/0x5a0 [ 62.989599][ T3547] ? kill_fasync+0x16a/0x490 [ 62.994193][ T3547] ? read_lock_is_recursive+0x10/0x10 [ 62.999574][ T3547] ? read_lock_is_recursive+0x10/0x10 [ 63.004946][ T3547] ? read_lock_is_recursive+0x10/0x10 [ 63.010407][ T3547] _raw_read_lock_irqsave+0xd9/0x120 [ 63.015699][ T3547] ? kill_fasync+0x16a/0x490 [ 63.020315][ T3547] ? _raw_read_lock+0x40/0x40 [ 63.025009][ T3547] kill_fasync+0x16a/0x490 [ 63.029427][ T3547] evdev_pass_values+0x586/0xad0 [ 63.034416][ T3547] ? evdev_pass_values+0x611/0xad0 [ 63.039571][ T3547] evdev_events+0x198/0x2c0 [ 63.044090][ T3547] ? evdev_event+0x170/0x170 [ 63.048691][ T3547] input_pass_values+0x8dc/0x1290 [ 63.053743][ T3547] input_event_dispose+0x366/0x650 [ 63.058950][ T3547] input_handle_event+0x97d/0xb00 [ 63.064062][ T3547] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 63.069808][ T3547] ? userio_device_write+0x1f0/0x1f0 [ 63.075153][ T3547] input_inject_event+0x1fd/0x300 [ 63.080223][ T3547] evdev_write+0x668/0x7c0 [ 63.084669][ T3547] ? evdev_read+0xe00/0xe00 [ 63.089277][ T3547] ? end_current_label_crit_section+0x147/0x170 [ 63.095554][ T3547] ? common_file_perm+0x17d/0x1d0 [ 63.100605][ T3547] ? fsnotify_perm+0x67/0x590 [ 63.105291][ T3547] ? bpf_lsm_file_permission+0x5/0x10 [ 63.110663][ T3547] ? evdev_read+0xe00/0xe00 [ 63.115171][ T3547] vfs_write+0x2d9/0xba0 [ 63.119447][ T3547] ? file_end_write+0x250/0x250 [ 63.124324][ T3547] ? __fget_files+0x3cf/0x440 [ 63.129029][ T3547] ? __fdget_pos+0x1db/0x360 [ 63.133622][ T3547] ? ksys_write+0x77/0x2c0 [ 63.138054][ T3547] ksys_write+0x19c/0x2c0 [ 63.142409][ T3547] ? print_irqtrace_events+0x210/0x210 [ 63.147982][ T3547] ? __ia32_sys_read+0x80/0x80 [ 63.152777][ T3547] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.158854][ T3547] ? lockdep_hardirqs_on+0x94/0x130 [ 63.164058][ T3547] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.170069][ T3547] do_syscall_64+0x3d/0xb0 [ 63.174490][ T3547] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.180388][ T3547] RIP: 0033:0x7ffa0b52abb9 [ 63.184802][ T3547] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 c