Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program [ 31.619403][ T2644] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.859037][ T2644] usb 1-1: Using ep0 maxpacket: 8 [ 31.979134][ T2644] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 31.989438][ T2644] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 31.998490][ T2644] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.012877][ T2644] usb 1-1: config 0 descriptor?? [ 32.268950][ T2644] usb 1-1: language id specifier not provided by device, defaulting to English [ 32.488836][ T2644] uvcvideo: Found UVC 0.00 device <unnamed> (0bd3:0555) [ 32.495859][ T2644] uvcvideo 1-1:0.0: Entity type for entity 裼驯⇱龾极젭涋咓ష┒� was not initialized! [ 32.507345][ T2644] ------------[ cut here ]------------ [ 32.513115][ T2644] WARNING: CPU: 1 PID: 2644 at drivers/media/mc/mc-entity.c:669 media_create_pad_link+0x4fc/0x650 [ 32.523871][ T2644] Modules linked in: [ 32.527769][ T2644] CPU: 1 PID: 2644 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 32.536214][ T2644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.546375][ T2644] Workqueue: usb_hub_wq hub_event [ 32.551467][ T2644] RIP: 0010:media_create_pad_link+0x4fc/0x650 [ 32.557536][ T2644] Code: bc ea ff ff ff eb da e8 d2 01 4e fd 0f 0b 41 bc ea ff ff ff eb cb e8 c3 01 4e fd 0f 0b 41 bc ea ff ff ff eb bc e8 b4 01 4e fd <0f> 0b 41 bc ea ff ff ff eb ad e8 a5 01 4e fd 0f 0b 41 bc ea ff ff [ 32.577183][ T2644] RSP: 0018:ffffc90000196f88 EFLAGS: 00010293 [ 32.583347][ T2644] RAX: 0000000000000000 RBX: ffff888101874070 RCX: ffffffff83f0bfdb [ 32.591360][ T2644] RDX: ffff8881130d1940 RSI: ffffffff83f0c3ac RDI: 0000000000000007 [ 32.599394][ T2644] RBP: ffff888101871870 R08: 0000000000000003 R09: ffff8881011da4bb [ 32.607380][ T2644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.615398][ T2644] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 32.623439][ T2644] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 32.632408][ T2644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program [ 32.639051][ T2644] CR2: 0000000020001a80 CR3: 0000000102e87000 CR4: 00000000001506e0 [ 32.647021][ T2644] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.655026][ T2644] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.663047][ T2644] Call Trace: [ 32.666350][ T2644] uvc_mc_register_entities+0x54b/0x890 [ 32.671949][ T2644] uvc_probe.cold+0x1f22/0x27c7 [ 32.676802][ T2644] ? pm_runtime_enable+0x2a/0x310 [ 32.681861][ T2644] ? lock_chain_count+0x20/0x20 [ 32.686713][ T2644] ? pm_runtime_enable+0x2a/0x310 [ 32.691790][ T2644] ? find_held_lock+0x2d/0x110 [ 32.696563][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.702632][ T2644] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 32.708441][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.713546][ T2644] usb_probe_interface+0x315/0x7f0 [ 32.718739][ T2644] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 32.724119][ T2644] really_probe+0x291/0xde0 [ 32.728729][ T2644] driver_probe_device+0x26b/0x3d0 [ 32.733842][ T2644] __device_attach_driver+0x1d1/0x290 [ 32.739253][ T2644] ? driver_allows_async_probing+0x150/0x150 [ 32.745226][ T2644] bus_for_each_drv+0x15f/0x1e0 [ 32.750115][ T2644] ? bus_for_each_dev+0x1d0/0x1d0 [ 32.755137][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.761274][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.766296][ T2644] __device_attach+0x228/0x4a0 [ 32.771101][ T2644] ? really_probe+0xde0/0xde0 [ 32.775775][ T2644] ? kobject_uevent_env+0x2bb/0x1680 [ 32.781108][ T2644] bus_probe_device+0x1e4/0x290 [ 32.785957][ T2644] device_add+0xbb2/0x1ce0 [ 32.790411][ T2644] ? devlink_add_symlinks+0x450/0x450 [ 32.795781][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.801885][ T2644] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 32.807699][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.812782][ T2644] usb_set_configuration+0x113c/0x1910 [ 32.818240][ T2644] usb_generic_driver_probe+0xba/0x100 [ 32.823749][ T2644] usb_probe_device+0xd9/0x2c0 [ 32.828577][ T2644] ? usb_driver_release_interface+0x180/0x180 [ 32.834638][ T2644] really_probe+0x291/0xde0 [ 32.839178][ T2644] driver_probe_device+0x26b/0x3d0 [ 32.844374][ T2644] __device_attach_driver+0x1d1/0x290 [ 32.849781][ T2644] ? driver_allows_async_probing+0x150/0x150 [ 32.855758][ T2644] bus_for_each_drv+0x15f/0x1e0 [ 32.860647][ T2644] ? bus_for_each_dev+0x1d0/0x1d0 [ 32.865670][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.871694][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.876718][ T2644] __device_attach+0x228/0x4a0 [ 32.881553][ T2644] ? really_probe+0xde0/0xde0 [ 32.886225][ T2644] ? kobject_uevent_env+0x2bb/0x1680 [ 32.891568][ T2644] bus_probe_device+0x1e4/0x290 [ 32.896416][ T2644] device_add+0xbb2/0x1ce0 [ 32.900888][ T2644] ? devlink_add_symlinks+0x450/0x450 [ 32.906266][ T2644] usb_new_device.cold+0x71d/0xfe9 [ 32.911411][ T2644] ? hub_disconnect+0x510/0x510 [ 32.916260][ T2644] ? rwlock_bug.part.0+0x90/0x90 [ 32.921241][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.927215][ T2644] hub_event+0x2348/0x42d0 [ 32.931681][ T2644] ? hub_port_debounce+0x3b0/0x3b0 [ 32.936845][ T2644] ? __lock_acquire+0x821/0x54f0 [ 32.941841][ T2644] ? put_pwq+0xb0/0x1b0 [ 32.945990][ T2644] ? lock_release+0x6d0/0x6d0 [ 32.950700][ T2644] ? lock_downgrade+0x6d0/0x6d0 [ 32.955554][ T2644] ? do_raw_spin_lock+0x120/0x2b0 [ 32.960617][ T2644] process_one_work+0x933/0x1520 [ 32.965569][ T2644] ? lock_release+0x6d0/0x6d0 [ 32.970291][ T2644] ? pwq_dec_nr_in_flight+0x320/0x320 [ 32.975662][ T2644] ? rwlock_bug.part.0+0x90/0x90 [ 32.980635][ T2644] worker_thread+0x64c/0x1120 [ 32.985312][ T2644] ? __kthread_parkme+0x118/0x1d0 [ 32.990486][ T2644] ? process_one_work+0x1520/0x1520 [ 32.995689][ T2644] kthread+0x38c/0x460 [ 32.999818][ T2644] ? _raw_spin_unlock_irq+0x1f/0x30 [ 33.005011][ T2644] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 33.010943][ T2644] ret_from_fork+0x1f/0x30 [ 33.015389][ T2644] Kernel panic - not syncing: panic_on_warn set ... [ 33.021956][ T2644] CPU: 1 PID: 2644 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 33.030350][ T2644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.040392][ T2644] Workqueue: usb_hub_wq hub_event [ 33.045436][ T2644] Call Trace: [ 33.048706][ T2644] dump_stack+0x107/0x163 [ 33.053024][ T2644] panic+0x306/0x73d [ 33.056896][ T2644] ? __warn_printk+0xf3/0xf3 [ 33.061464][ T2644] ? __warn.cold+0x1a/0x44 [ 33.065858][ T2644] ? __warn+0xf1/0x210 [ 33.069906][ T2644] ? media_create_pad_link+0x4fc/0x650 [ 33.075343][ T2644] __warn.cold+0x35/0x44 [ 33.079565][ T2644] ? media_create_pad_link+0x4fc/0x650 [ 33.085004][ T2644] report_bug+0x1bd/0x210 [ 33.089312][ T2644] handle_bug+0x3c/0x60 [ 33.093445][ T2644] exc_invalid_op+0x14/0x40 [ 33.097924][ T2644] asm_exc_invalid_op+0x12/0x20 [ 33.102753][ T2644] RIP: 0010:media_create_pad_link+0x4fc/0x650 [ 33.108795][ T2644] Code: bc ea ff ff ff eb da e8 d2 01 4e fd 0f 0b 41 bc ea ff ff ff eb cb e8 c3 01 4e fd 0f 0b 41 bc ea ff ff ff eb bc e8 b4 01 4e fd <0f> 0b 41 bc ea ff ff ff eb ad e8 a5 01 4e fd 0f 0b 41 bc ea ff ff [ 33.128382][ T2644] RSP: 0018:ffffc90000196f88 EFLAGS: 00010293 [ 33.134442][ T2644] RAX: 0000000000000000 RBX: ffff888101874070 RCX: ffffffff83f0bfdb [ 33.142407][ T2644] RDX: ffff8881130d1940 RSI: ffffffff83f0c3ac RDI: 0000000000000007 [ 33.150354][ T2644] RBP: ffff888101871870 R08: 0000000000000003 R09: ffff8881011da4bb [ 33.158302][ T2644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.166248][ T2644] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 33.174204][ T2644] ? media_create_pad_link+0x12b/0x650 [ 33.179639][ T2644] ? media_create_pad_link+0x4fc/0x650 [ 33.185073][ T2644] ? media_create_pad_link+0x4fc/0x650 [ 33.190508][ T2644] uvc_mc_register_entities+0x54b/0x890 [ 33.196033][ T2644] uvc_probe.cold+0x1f22/0x27c7 [ 33.200861][ T2644] ? pm_runtime_enable+0x2a/0x310 [ 33.205865][ T2644] ? lock_chain_count+0x20/0x20 [ 33.210711][ T2644] ? pm_runtime_enable+0x2a/0x310 [ 33.215709][ T2644] ? find_held_lock+0x2d/0x110 [ 33.220463][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.226418][ T2644] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 33.232200][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.237203][ T2644] usb_probe_interface+0x315/0x7f0 [ 33.242291][ T2644] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 33.247652][ T2644] really_probe+0x291/0xde0 [ 33.252162][ T2644] driver_probe_device+0x26b/0x3d0 [ 33.257255][ T2644] __device_attach_driver+0x1d1/0x290 [ 33.262605][ T2644] ? driver_allows_async_probing+0x150/0x150 [ 33.268561][ T2644] bus_for_each_drv+0x15f/0x1e0 [ 33.273400][ T2644] ? bus_for_each_dev+0x1d0/0x1d0 [ 33.278417][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.284382][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.289386][ T2644] __device_attach+0x228/0x4a0 [ 33.294125][ T2644] ? really_probe+0xde0/0xde0 [ 33.298778][ T2644] ? kobject_uevent_env+0x2bb/0x1680 [ 33.304037][ T2644] bus_probe_device+0x1e4/0x290 [ 33.308884][ T2644] device_add+0xbb2/0x1ce0 [ 33.313293][ T2644] ? devlink_add_symlinks+0x450/0x450 [ 33.318648][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.324604][ T2644] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 33.330394][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.335397][ T2644] usb_set_configuration+0x113c/0x1910 [ 33.340831][ T2644] usb_generic_driver_probe+0xba/0x100 [ 33.346263][ T2644] usb_probe_device+0xd9/0x2c0 [ 33.351007][ T2644] ? usb_driver_release_interface+0x180/0x180 [ 33.357061][ T2644] really_probe+0x291/0xde0 [ 33.361551][ T2644] driver_probe_device+0x26b/0x3d0 [ 33.366653][ T2644] __device_attach_driver+0x1d1/0x290 [ 33.372009][ T2644] ? driver_allows_async_probing+0x150/0x150 [ 33.377982][ T2644] bus_for_each_drv+0x15f/0x1e0 [ 33.382828][ T2644] ? bus_for_each_dev+0x1d0/0x1d0 [ 33.387830][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.393783][ T2644] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.398784][ T2644] __device_attach+0x228/0x4a0 [ 33.403525][ T2644] ? really_probe+0xde0/0xde0 [ 33.408191][ T2644] ? kobject_uevent_env+0x2bb/0x1680 [ 33.413452][ T2644] bus_probe_device+0x1e4/0x290 [ 33.418281][ T2644] device_add+0xbb2/0x1ce0 [ 33.422672][ T2644] ? devlink_add_symlinks+0x450/0x450 [ 33.428021][ T2644] usb_new_device.cold+0x71d/0xfe9 [ 33.433111][ T2644] ? hub_disconnect+0x510/0x510 [ 33.437941][ T2644] ? rwlock_bug.part.0+0x90/0x90 [ 33.442903][ T2644] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.448859][ T2644] hub_event+0x2348/0x42d0 [ 33.453254][ T2644] ? hub_port_debounce+0x3b0/0x3b0 [ 33.458338][ T2644] ? __lock_acquire+0x821/0x54f0 [ 33.463296][ T2644] ? put_pwq+0xb0/0x1b0 [ 33.467433][ T2644] ? lock_release+0x6d0/0x6d0 [ 33.472087][ T2644] ? lock_downgrade+0x6d0/0x6d0 [ 33.476913][ T2644] ? do_raw_spin_lock+0x120/0x2b0 [ 33.481941][ T2644] process_one_work+0x933/0x1520 [ 33.486944][ T2644] ? lock_release+0x6d0/0x6d0 [ 33.491599][ T2644] ? pwq_dec_nr_in_flight+0x320/0x320 [ 33.496946][ T2644] ? rwlock_bug.part.0+0x90/0x90 [ 33.501862][ T2644] worker_thread+0x64c/0x1120 [ 33.506555][ T2644] ? __kthread_parkme+0x118/0x1d0 [ 33.511556][ T2644] ? process_one_work+0x1520/0x1520 [ 33.516729][ T2644] kthread+0x38c/0x460 [ 33.520779][ T2644] ? _raw_spin_unlock_irq+0x1f/0x30 [ 33.525954][ T2644] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 33.531912][ T2644] ret_from_fork+0x1f/0x30 [ 33.537152][ T2644] Kernel Offset: disabled [ 33.541550][ T2644] Rebooting in 86400 seconds..