DUID 00:04:1b:4d:40:85:b1:6b:61:74:2c:72:11:ce:21:17:3d:97
forked to background, child pid 3170
[ 35.133594][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0
[ 35.147231][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.369845][ T1908] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts.
executing program
[ 487.987064][ T1908] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 488.237043][ T1908] usb 1-1: Using ep0 maxpacket: 32
[ 488.357171][ T1908] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024
[ 488.527197][ T1908] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85
[ 488.536255][ T1908] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2
[ 488.544679][ T1908] usb 1-1: Product: syz
[ 488.549056][ T1908] usb 1-1: Manufacturer: syz
[ 488.553660][ T1908] usb 1-1: SerialNumber: syz
[ 488.563132][ T1908] usb 1-1: config 0 descriptor??
[ 488.598104][ T3628] raw-gadget.0 gadget: fail, usb_ep_enable returned -22
executing program
[ 488.821054][ T1282] usb 1-1: USB disconnect, device number 2
[ 489.197012][ T1282] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 489.447085][ T1282] usb 1-1: Using ep0 maxpacket: 32
[ 489.567250][ T1282] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024
[ 489.767339][ T1282] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85
[ 489.776414][ T1282] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2
[ 489.785072][ T1282] usb 1-1: Product: syz
[ 489.789513][ T1282] usb 1-1: Manufacturer: syz
[ 489.794133][ T1282] usb 1-1: SerialNumber: syz
[ 489.801493][ T1282] usb 1-1: config 0 descriptor??
[ 489.817165][ T3633] raw-gadget.0 gadget: fail, usb_ep_enable returned -22
executing program
[ 490.039808][ T1908] usb 1-1: USB disconnect, device number 3
[ 490.416986][ T1908] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 490.657006][ T1908] usb 1-1: Using ep0 maxpacket: 32
[ 490.787115][ T1908] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024
[ 490.957240][ T1908] usb 1-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.85
[ 490.966311][ T1908] usb 1-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2
[ 490.975195][ T1908] usb 1-1: Product: syz
[ 490.979661][ T1908] usb 1-1: Manufacturer: syz
[ 490.984264][ T1908] usb 1-1: SerialNumber: syz
[ 490.991970][ T1908] usb 1-1: config 0 descriptor??
[ 491.017239][ T3634] 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
[ 554.289258][ T2960] udevd[2960]: worker [3629] /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
[ 674.366229][ T2960] udevd[2960]: worker [3629] /devices/platform/dummy_hcd.0/usb1/1-1 timeout; kill it
[ 674.375956][ T2960] udevd[2960]: seq 7453 '/devices/platform/dummy_hcd.0/usb1/1-1' killed
[ 674.385989][ T2960] udevd[2960]: worker [3629] terminated by signal 9 (Killed)
[ 674.394027][ T2960] udevd[2960]: worker [3629] 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
[ 716.246933][ T27] INFO: task kworker/1:3:1908 blocked for more than 143 seconds.
[ 716.254844][ T27] Not tainted 5.15.103-syzkaller #0
[ 716.260757][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.269700][ T27] task:kworker/1:3 state:D stack:22272 pid: 1908 ppid: 2 flags:0x00004000
[ 716.279003][ T27] Workqueue: usb_hub_wq hub_event
[ 716.284187][ T27] Call Trace:
[ 716.287547][ T27]
[ 716.290510][ T27] __schedule+0x1348/0x4610
[ 716.295096][ T27] ? do_raw_spin_lock+0x14a/0x370
[ 716.300268][ T27] ? __sched_text_start+0x8/0x8
[ 716.305179][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.310544][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.315819][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.321100][ T27] schedule+0x11b/0x1f0
[ 716.325471][ T27] schedule_timeout+0xac/0x300
[ 716.330322][ T27] ? console_conditional_schedule+0x40/0x40
[ 716.336234][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.342322][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.347717][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.352936][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.358184][ T27] do_wait_for_common+0x2d9/0x480
[ 716.363246][ T27] ? console_conditional_schedule+0x40/0x40
[ 716.369225][ T27] ? wait_for_completion_killable_timeout+0x60/0x60
[ 716.375834][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 716.381008][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.387065][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.392551][ T27] ? memset+0x1f/0x40
executing program
[ 716.396662][ T27] ? probe_common+0x4a0/0x4a0
[ 716.401530][ T27] wait_for_completion+0x48/0x60
[ 716.407416][ T27] drop_current_rng+0x8b/0xf0
[ 716.412476][ T27] set_current_rng+0x3ad/0x530
[ 716.417697][ T27] ? hwrng_register+0x4c0/0x4c0
[ 716.422783][ T27] ? complete+0x56/0xa0
[ 716.427405][ T27] hwrng_register+0x34a/0x4c0
[ 716.432193][ T27] chaoskey_probe+0x79d/0xb40
[ 716.437448][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 716.443589][ T27] ? usb4604_i2c_resume+0x70/0x70
[ 716.449124][ T27] ? __pm_runtime_set_status+0x7b5/0xb60
[ 716.454938][ T27] ? pm_runtime_enable+0x1bd/0x300
[ 716.460438][ T27] usb_probe_interface+0x5c0/0xaf0
[ 716.465644][ T27] ? usb_register_driver+0x3d0/0x3d0
[ 716.471361][ T27] really_probe+0x24e/0xb60
[ 716.476023][ T27] __driver_probe_device+0x1c3/0x3f0
[ 716.481704][ T27] driver_probe_device+0x50/0x420
[ 716.486877][ T27] __device_attach_driver+0x2b9/0x500
[ 716.492342][ T27] ? deferred_probe_work_func+0x230/0x230
[ 716.498266][ T27] bus_for_each_drv+0x183/0x200
[ 716.503210][ T27] ? subsys_find_device_by_id+0x310/0x310
[ 716.509123][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.514430][ T27] __device_attach+0x359/0x570
[ 716.519373][ T27] ? kobject_uevent_env+0x36a/0x8d0
[ 716.524733][ T27] ? device_attach+0x20/0x20
[ 716.529431][ T27] ? kobject_uevent_env+0x36a/0x8d0
[ 716.534898][ T27] bus_probe_device+0xba/0x1e0
[ 716.539845][ T27] ? device_add+0xab9/0xfd0
[ 716.544445][ T27] device_add+0xb48/0xfd0
[ 716.548894][ T27] usb_set_configuration+0x19dd/0x2020
[ 716.554456][ T27] usb_generic_driver_probe+0x84/0x140
[ 716.560252][ T27] usb_probe_device+0x130/0x260
[ 716.565186][ T27] ? usb_register_device_driver+0x240/0x240
[ 716.571194][ T27] really_probe+0x24e/0xb60
[ 716.575819][ T27] __driver_probe_device+0x1c3/0x3f0
[ 716.581343][ T27] driver_probe_device+0x50/0x420
[ 716.586503][ T27] __device_attach_driver+0x2b9/0x500
[ 716.592030][ T27] ? deferred_probe_work_func+0x230/0x230
[ 716.598013][ T27] bus_for_each_drv+0x183/0x200
[ 716.602971][ T27] ? subsys_find_device_by_id+0x310/0x310
[ 716.608823][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.614116][ T27] __device_attach+0x359/0x570
[ 716.619082][ T27] ? kobject_uevent_env+0x36a/0x8d0
[ 716.624404][ T27] ? device_attach+0x20/0x20
[ 716.629132][ T27] ? kobject_uevent_env+0x36a/0x8d0
[ 716.634434][ T27] bus_probe_device+0xba/0x1e0
[ 716.639374][ T27] ? device_add+0xab9/0xfd0
[ 716.643969][ T27] device_add+0xb48/0xfd0
[ 716.648553][ T27] usb_new_device+0xc17/0x18d0
[ 716.653426][ T27] ? usb_disconnect+0x8c0/0x8c0
[ 716.658452][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.663768][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.669173][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.674463][ T27] hub_event+0x2dd8/0x56d0
[ 716.679144][ T27] ? led_work+0x700/0x700
[ 716.683596][ T27] ? rcu_read_lock_sched_held+0x89/0x130
[ 716.689403][ T27] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 716.695498][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.700898][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.706182][ T27] process_one_work+0x90d/0x1270
[ 716.711299][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.717082][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.722688][ T27] ? kthread_data+0x4e/0xc0
[ 716.727301][ T27] ? wq_worker_running+0x97/0x170
[ 716.732422][ T27] worker_thread+0xaca/0x1280
[ 716.737315][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.743335][ T27] kthread+0x3f6/0x4f0
[ 716.747526][ T27] ? rcu_lock_release+0x20/0x20
[ 716.752519][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.757324][ T27] ret_from_fork+0x1f/0x30
[ 716.761944][ T27]
[ 716.765136][ T27]
[ 716.765136][ T27] Showing all locks held in the system:
[ 716.773062][ T27] 1 lock held by khungtaskd/27:
[ 716.778096][ T27] #0: ffffffff8c91c320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.788052][ T27] 1 lock held by hwrng/900:
[ 716.792557][ T27] #0: ffffffff8cff3468 (rng_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x36/0x280
[ 716.801733][ T27] 6 locks held by kworker/1:3/1908:
[ 716.807230][ T27] #0: ffff888016b75938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x794/0x1270
[ 716.818228][ T27] #1: ffffc90005b77d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7da/0x1270
[ 716.829640][ T27] #2: ffff8881475c8220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0
[ 716.838669][ T27] #3: ffff88801a406220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570
[ 716.848053][ T27] #4: ffff88801a4071a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570
[ 716.857598][ T27] #5: ffffffff8cff3468 (rng_mutex){+.+.}-{3:3}, at: hwrng_register+0xa9/0x4c0
[ 716.866736][ T27] 2 locks held by getty/3274:
[ 716.871572][ T27] #0: ffff88814b21f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.881555][ T27] #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0
[ 716.891872][ T27]
[ 716.894281][ T27] =============================================
[ 716.894281][ T27]
[ 716.902817][ T27] NMI backtrace for cpu 0
[ 716.907166][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.103-syzkaller #0
[ 716.915158][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 716.925434][ T27] Call Trace:
[ 716.928750][ T27]
[ 716.931694][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 716.936390][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 716.942040][ T27] ? panic+0x84d/0x84d
[ 716.946126][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.951350][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.956320][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.961211][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.967380][ T27] ? _printk+0xd1/0x111
[ 716.971560][ T27] ? panic+0x84d/0x84d
[ 716.975637][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.980482][ T27] ? panic+0x84d/0x84d
[ 716.984546][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.989611][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.995734][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 717.001723][ T27] watchdog+0xf54/0xfa0
[ 717.005945][ T27] kthread+0x3f6/0x4f0
[ 717.010033][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.015074][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.019662][ T27] ret_from_fork+0x1f/0x30
[ 717.024194][ T27]
[ 717.027378][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 717.032806][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 717.035064][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.049514][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.103-syzkaller #0
[ 717.057499][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 717.067555][ T27] Call Trace:
[ 717.070832][ T27]
[ 717.073770][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 717.078455][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 717.084085][ T27] ? panic+0x84d/0x84d
[ 717.088158][ T27] panic+0x318/0x84d
[ 717.092050][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.097781][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.103946][ T27] ? fb_is_primary_device+0xcc/0xcc
[ 717.109152][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.115239][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.121415][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.127576][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.133729][ T27] watchdog+0xf92/0xfa0
[ 717.137891][ T27] kthread+0x3f6/0x4f0
[ 717.141968][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.146992][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.151612][ T27] ret_from_fork+0x1f/0x30
[ 717.156050][ T27]
[ 717.159440][ T27] Kernel Offset: disabled
[ 717.163781][ T27] Rebooting in 86400 seconds..