Warning: Permanently added '10.128.0.18' (ED25519) to the list of known hosts. executing program [ 305.608200][ T37] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 305.848208][ T37] usb 1-1: Using ep0 maxpacket: 32 [ 305.988294][ T37] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024 [ 306.158312][ T37] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85 [ 306.167403][ T37] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2 [ 306.175886][ T37] usb 1-1: Product: syz [ 306.180285][ T37] usb 1-1: Manufacturer: syz [ 306.184859][ T37] usb 1-1: SerialNumber: syz [ 306.194434][ T37] usb 1-1: config 0 descriptor?? [ 306.218995][ T3529] raw-gadget.0 gadget: fail, usb_ep_enable returned -22 executing program [ 306.441630][ T1285] usb 1-1: USB disconnect, device number 2 [ 306.808241][ T1285] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 307.048211][ T1285] usb 1-1: Using ep0 maxpacket: 32 [ 307.168299][ T1285] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024 [ 307.338337][ T1285] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85 [ 307.347368][ T1285] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2 [ 307.355545][ T1285] usb 1-1: Product: syz [ 307.359724][ T1285] usb 1-1: Manufacturer: syz [ 307.364293][ T1285] usb 1-1: SerialNumber: syz [ 307.370276][ T1285] usb 1-1: config 0 descriptor?? [ 307.388350][ T3532] raw-gadget.0 gadget: fail, usb_ep_enable returned -22 executing program [ 307.612783][ T37] usb 1-1: USB disconnect, device number 3 [ 307.968215][ T37] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 308.208223][ T37] usb 1-1: Using ep0 maxpacket: 32 [ 308.338380][ T37] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024 [ 308.508339][ T37] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85 [ 308.517384][ T37] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2 [ 308.525814][ T37] usb 1-1: Product: syz [ 308.530134][ T37] usb 1-1: Manufacturer: syz [ 308.534708][ T37] usb 1-1: SerialNumber: syz [ 308.540879][ T37] usb 1-1: config 0 descriptor?? [ 308.568331][ T3534] raw-gadget.0 gadget: fail, usb_ep_enable returned -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 371.828049][ T2963] udevd[2963]: worker [3531] /devices/platform/dummy_hcd.0/usb1/1-1 is taking a long time executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 491.888993][ T2963] udevd[2963]: worker [3531] /devices/platform/dummy_hcd.0/usb1/1-1 timeout; kill it [ 491.898735][ T2963] udevd[2963]: seq 7463 '/devices/platform/dummy_hcd.0/usb1/1-1' killed [ 491.907673][ T2963] udevd[2963]: worker [3531] terminated by signal 9 (Killed) [ 491.915616][ T2963] udevd[2963]: worker [3531] failed while handling '/devices/platform/dummy_hcd.0/usb1/1-1' executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 572.958148][ T26] INFO: task kworker/1:1:37 blocked for more than 143 seconds. [ 572.965807][ T26] Not tainted 5.15.120-syzkaller #0 [ 572.971686][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.980432][ T26] task:kworker/1:1 state:D stack:21408 pid: 37 ppid: 2 flags:0x00004000 [ 572.989726][ T26] Workqueue: usb_hub_wq hub_event [ 572.994961][ T26] Call Trace: [ 572.998314][ T26] [ 573.001302][ T26] __schedule+0x12c4/0x4590 [ 573.005922][ T26] ? do_raw_spin_lock+0x14a/0x370 [ 573.011037][ T26] ? mark_lock+0x98/0x340 [ 573.015412][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.021501][ T26] ? __sched_text_start+0x8/0x8 [ 573.026403][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.031681][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.036922][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 573.042265][ T26] schedule+0x11b/0x1f0 [ 573.046469][ T26] schedule_timeout+0xac/0x300 [ 573.051310][ T26] ? console_conditional_schedule+0x40/0x40 [ 573.057243][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.063313][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.068574][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.073794][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 573.079052][ T26] do_wait_for_common+0x2d9/0x480 [ 573.084125][ T26] ? console_conditional_schedule+0x40/0x40 [ 573.090091][ T26] ? wait_for_completion_killable_timeout+0x60/0x60 [ 573.096723][ T26] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.101896][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.107920][ T26] ? print_irqtrace_events+0x210/0x210 [ 573.113459][ T26] ? memset+0x1f/0x40 [ 573.117535][ T26] ? probe_common+0x4a0/0x4a0 [ 573.122450][ T26] wait_for_completion+0x48/0x60 [ 573.127463][ T26] drop_current_rng+0x8b/0xf0 [ 573.132222][ T26] set_current_rng+0x3ad/0x530 [ 573.137026][ T26] ? hwrng_register+0x4c0/0x4c0 [ 573.141939][ T26] ? complete+0x56/0xa0 [ 573.146195][ T26] hwrng_register+0x34a/0x4c0 [ 573.150954][ T26] chaoskey_probe+0x79d/0xb40 [ 573.155733][ T26] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 573.161693][ T26] ? usb4604_i2c_resume+0x70/0x70 [ 573.166760][ T26] ? __pm_runtime_set_status+0x7b5/0xb60 [ 573.172553][ T26] ? pm_runtime_enable+0x1bd/0x300 [ 573.177708][ T26] usb_probe_interface+0x5c0/0xaf0 [ 573.182907][ T26] ? usb_register_driver+0x3d0/0x3d0 [ 573.188253][ T26] really_probe+0x24e/0xb60 [ 573.192856][ T26] __driver_probe_device+0x1a2/0x3d0 [ 573.198178][ T26] driver_probe_device+0x50/0x420 [ 573.203201][ T26] __device_attach_driver+0x2b9/0x500 [ 573.208604][ T26] ? deferred_probe_work_func+0x230/0x230 [ 573.214319][ T26] bus_for_each_drv+0x183/0x200 [ 573.219280][ T26] ? subsys_find_device_by_id+0x310/0x310 [ 573.225001][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 573.230237][ T26] __device_attach+0x359/0x570 [ 573.234998][ T26] ? kobject_uevent_env+0x36a/0x8d0 [ 573.240278][ T26] ? device_attach+0x20/0x20 [ 573.244872][ T26] ? kobject_uevent_env+0x36a/0x8d0 [ 573.250106][ T26] bus_probe_device+0xba/0x1e0 [ 573.254870][ T26] ? device_add+0xab9/0xfd0 [ 573.259418][ T26] device_add+0xb48/0xfd0 [ 573.263759][ T26] usb_set_configuration+0x19dd/0x2020 [ 573.269270][ T26] usb_generic_driver_probe+0x84/0x140 [ 573.274803][ T26] usb_probe_device+0x130/0x260 [ 573.279695][ T26] ? usb_register_device_driver+0x240/0x240 [ 573.285586][ T26] really_probe+0x24e/0xb60 [ 573.290125][ T26] __driver_probe_device+0x1a2/0x3d0 [ 573.295411][ T26] driver_probe_device+0x50/0x420 [ 573.300465][ T26] __device_attach_driver+0x2b9/0x500 [ 573.305839][ T26] ? deferred_probe_work_func+0x230/0x230 [ 573.311585][ T26] bus_for_each_drv+0x183/0x200 [ 573.316434][ T26] ? subsys_find_device_by_id+0x310/0x310 [ 573.322164][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 573.327366][ T26] __device_attach+0x359/0x570 [ 573.332161][ T26] ? kobject_uevent_env+0x36a/0x8d0 [ 573.337362][ T26] ? device_attach+0x20/0x20 [ 573.341965][ T26] ? kobject_uevent_env+0x36a/0x8d0 [ 573.347168][ T26] bus_probe_device+0xba/0x1e0 [ 573.351966][ T26] ? device_add+0xab9/0xfd0 [ 573.356470][ T26] device_add+0xb48/0xfd0 [ 573.360831][ T26] usb_new_device+0xc17/0x18d0 [ 573.365602][ T26] ? usb_disconnect+0x8c0/0x8c0 [ 573.370506][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.375701][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.380910][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 573.386196][ T26] hub_event+0x2dd8/0x56d0 [ 573.390737][ T26] ? led_work+0x700/0x700 [ 573.395086][ T26] ? read_lock_is_recursive+0x10/0x10 [ 573.400478][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.406474][ T26] ? debug_mutex_wake_waiter+0x90/0x320 [ 573.412057][ T26] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.417956][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.423198][ T26] process_one_work+0x8a1/0x10c0 [ 573.428281][ T26] ? worker_detach_from_pool+0x260/0x260 [ 573.433918][ T26] ? _raw_spin_lock_irqsave+0x120/0x120 [ 573.439477][ T26] ? kthread_data+0x4e/0xc0 [ 573.444001][ T26] ? wq_worker_running+0x97/0x170 [ 573.449058][ T26] worker_thread+0xaca/0x1280 [ 573.453803][ T26] kthread+0x3f6/0x4f0 [ 573.457926][ T26] ? rcu_lock_release+0x20/0x20 [ 573.462794][ T26] ? kthread_blkcg+0xd0/0xd0 [ 573.467383][ T26] ret_from_fork+0x1f/0x30 [ 573.471878][ T26] [ 573.475231][ T26] [ 573.475231][ T26] Showing all locks held in the system: [ 573.482975][ T26] 1 lock held by khungtaskd/26: [ 573.487815][ T26] #0: ffffffff8c91e6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 573.497151][ T26] 6 locks held by kworker/1:1/37: [ 573.502194][ T26] #0: ffff888012b08538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 573.512916][ T26] #1: ffffc900010dfd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 573.524169][ T26] #2: ffff88814836d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0 [ 573.533110][ T26] #3: ffff888012df8220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 [ 573.542452][ T26] #4: ffff888012df91a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 [ 573.551707][ T26] #5: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: hwrng_register+0xa9/0x4c0 [ 573.560718][ T26] 1 lock held by hwrng/901: [ 573.565201][ T26] #0: ffffffff8cff66a8 (rng_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x36/0x280 [ 573.574037][ T26] 2 locks held by getty/3257: [ 573.578717][ T26] #0: ffff888024719098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 573.588568][ T26] #1: ffffc900024bb2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 [ 573.598686][ T26] [ 573.601003][ T26] ============================================= [ 573.601003][ T26] [ 573.609451][ T26] NMI backtrace for cpu 0 [ 573.613785][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.120-syzkaller #0 [ 573.621743][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 573.631778][ T26] Call Trace: [ 573.635046][ T26] [ 573.637963][ T26] dump_stack_lvl+0x1e3/0x2cb [ 573.642634][ T26] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.648248][ T26] ? panic+0x84d/0x84d [ 573.652295][ T26] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 573.657399][ T26] nmi_cpu_backtrace+0x46a/0x4a0 [ 573.662320][ T26] ? __wake_up_klogd+0xd5/0x100 [ 573.667184][ T26] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 573.673325][ T26] ? _printk+0xd1/0x111 [ 573.677463][ T26] ? panic+0x84d/0x84d [ 573.681508][ T26] ? __wake_up_klogd+0xcc/0x100 [ 573.686343][ T26] ? panic+0x84d/0x84d [ 573.690413][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.696511][ T26] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 573.702474][ T26] watchdog+0xe72/0xeb0 [ 573.706658][ T26] kthread+0x3f6/0x4f0 [ 573.710707][ T26] ? hungtask_pm_notify+0x50/0x50 [ 573.715710][ T26] ? kthread_blkcg+0xd0/0xd0 [ 573.720280][ T26] ret_from_fork+0x1f/0x30 [ 573.724684][ T26] [ 573.727802][ T26] Sending NMI from CPU 0 to CPUs 1: [ 573.733051][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 573.734135][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 573.749606][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.120-syzkaller #0 [ 573.757572][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 573.767603][ T26] Call Trace: [ 573.770893][ T26] [ 573.773807][ T26] dump_stack_lvl+0x1e3/0x2cb [ 573.778470][ T26] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.784084][ T26] ? panic+0x84d/0x84d [ 573.788141][ T26] panic+0x318/0x84d [ 573.792014][ T26] ? schedule_preempt_disabled+0x20/0x20 [ 573.797623][ T26] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.803764][ T26] ? fb_is_primary_device+0xcc/0xcc [ 573.808955][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.815000][ T26] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.821132][ T26] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 573.827264][ T26] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 573.833398][ T26] watchdog+0xeb0/0xeb0 [ 573.837538][ T26] kthread+0x3f6/0x4f0 [ 573.841585][ T26] ? hungtask_pm_notify+0x50/0x50 [ 573.846588][ T26] ? kthread_blkcg+0xd0/0xd0 [ 573.851173][ T26] ret_from_fork+0x1f/0x30 [ 573.855607][ T26] [ 573.858672][ T26] Kernel Offset: disabled [ 573.862977][ T26] Rebooting in 86400 seconds..