Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 24.714920][ T23] audit: type=1400 audit(1616711038.949:8): avc: denied { execmem } for pid=301 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 26.213824][ T296] can: request_module (can-proto-0) failed. [ 26.228951][ T296] can: request_module (can-proto-0) failed. [ 26.241554][ T296] can: request_module (can-proto-7) failed. [ 26.254102][ T296] can: request_module (can-proto-0) failed. [ 26.293518][ T23] audit: type=1400 audit(1616711040.531:9): avc: denied { create } for pid=292 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. 2021/03/25 22:24:07 parsed 1 programs 2021/03/25 22:24:07 executed programs: 0 [ 33.637564][ T23] audit: type=1400 audit(1616711047.888:10): avc: denied { execmem } for pid=419 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.676324][ T424] cgroup: Unknown subsys name 'perf_event' [ 33.679038][ T422] cgroup: Unknown subsys name 'perf_event' [ 33.683617][ T424] cgroup: Unknown subsys name 'net_cls' [ 33.696949][ T426] cgroup: Unknown subsys name 'perf_event' [ 33.701756][ T429] cgroup: Unknown subsys name 'perf_event' [ 33.703413][ T426] cgroup: Unknown subsys name 'net_cls' [ 33.716550][ T422] cgroup: Unknown subsys name 'net_cls' [ 33.720167][ T430] cgroup: Unknown subsys name 'perf_event' [ 33.724363][ T429] cgroup: Unknown subsys name 'net_cls' [ 33.729294][ T430] cgroup: Unknown subsys name 'net_cls' [ 33.736857][ T431] cgroup: Unknown subsys name 'perf_event' [ 33.766387][ T431] cgroup: Unknown subsys name 'net_cls' [ 43.819957][ T3070] udc-core: couldn't find an available UDC or it's busy [ 43.827979][ T3070] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 43.890453][ T3084] udc-core: couldn't find an available UDC or it's busy [ 43.898589][ T3084] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.085210][ T3121] udc-core: couldn't find an available UDC or it's busy [ 44.092923][ T3121] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.128912][ T3127] udc-core: couldn't find an available UDC or it's busy [ 44.136618][ T3127] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.161645][ T3132] udc-core: couldn't find an available UDC or it's busy [ 44.168709][ T3132] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.262519][ T125] usb 1-1: new high-speed USB device number 2 using dummy_hcd 2021/03/25 22:24:18 executed programs: 6 [ 44.414150][ T3070] udc-core: couldn't find an available UDC or it's busy [ 44.423671][ T3070] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.445487][ T3084] udc-core: couldn't find an available UDC or it's busy [ 44.453085][ T3084] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.454973][ T3135] udc-core: couldn't find an available UDC or it's busy [ 44.469144][ T3135] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.484497][ T3139] udc-core: couldn't find an available UDC or it's busy [ 44.492079][ T3139] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.502465][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 44.632822][ T125] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 44.633303][ T3121] udc-core: couldn't find an available UDC or it's busy [ 44.644186][ T125] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 44.651214][ T3121] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.661090][ T125] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.672495][ T3127] udc-core: couldn't find an available UDC or it's busy [ 44.684765][ T3127] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.694244][ T3132] udc-core: couldn't find an available UDC or it's busy [ 44.694884][ T125] usb 1-1: config 0 descriptor?? [ 44.701742][ T3132] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.721811][ T3145] udc-core: couldn't find an available UDC or it's busy [ 44.729265][ T3145] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.731795][ T3149] udc-core: couldn't find an available UDC or it's busy [ 44.746290][ T3149] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.757452][ T3151] udc-core: couldn't find an available UDC or it's busy [ 44.764952][ T3151] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 44.993345][ T3135] udc-core: couldn't find an available UDC or it's busy [ 45.001599][ T3135] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.010580][ T3139] udc-core: couldn't find an available UDC or it's busy [ 45.017805][ T3139] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.032716][ T3157] udc-core: couldn't find an available UDC or it's busy [ 45.040443][ T3157] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.056822][ T3160] udc-core: couldn't find an available UDC or it's busy [ 45.064472][ T3160] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.273224][ T3149] udc-core: couldn't find an available UDC or it's busy [ 45.280973][ T3149] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.281292][ T3151] udc-core: couldn't find an available UDC or it's busy [ 45.296542][ T3151] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.307999][ T3145] udc-core: couldn't find an available UDC or it's busy [ 45.315931][ T3145] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.330416][ T3165] udc-core: couldn't find an available UDC or it's busy [ 45.339810][ T3165] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.452602][ T125] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 45.461811][ T125] uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! [ 45.472728][ T125] ------------[ cut here ]------------ [ 45.479173][ T125] WARNING: CPU: 1 PID: 125 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 [ 45.490395][ T125] Modules linked in: [ 45.494824][ T125] CPU: 1 PID: 125 Comm: kworker/1:2 Not tainted 5.12.0-rc4-syzkaller #0 [ 45.504303][ T125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.516594][ T125] Workqueue: usb_hub_wq hub_event [ 45.522690][ T125] RIP: 0010:media_create_pad_link+0x4de/0x650 [ 45.529998][ T125] Code: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff [ 45.551888][ T125] RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 [ 45.556575][ T3157] udc-core: couldn't find an available UDC or it's busy [ 45.558981][ T125] RAX: 0000000000000000 RBX: ffff888112d5d080 RCX: 0000000000000000 [ 45.567472][ T3157] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.576172][ T125] RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 [ 45.584139][ T3160] udc-core: couldn't find an available UDC or it's busy [ 45.594294][ T125] RBP: ffff8881076c7880 R08: 0000000000000003 R09: 0000000000000000 [ 45.601800][ T3160] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.612825][ T125] R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 [ 45.629187][ T125] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881076c7880 [ 45.638178][ T125] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 45.648059][ T125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.655096][ T125] CR2: 000055f124d89ae8 CR3: 0000000112c1a004 CR4: 00000000001706e0 [ 45.663836][ T125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.672790][ T125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.680976][ T125] Call Trace: [ 45.684470][ T125] uvc_mc_register_entities+0x5cd/0x910 [ 45.690531][ T125] uvc_probe.cold+0x1997/0x3397 [ 45.695643][ T125] ? pm_runtime_enable+0x2a/0x310 [ 45.701406][ T125] ? lock_is_held_type+0x98/0x110 [ 45.708002][ T125] ? lock_release+0x1e6/0x6d0 [ 45.713570][ T125] ? ktime_get_mono_fast_ns+0x168/0x1f0 [ 45.720683][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 45.727903][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 45.735549][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 45.743141][ T125] usb_probe_interface+0x315/0x7f0 [ 45.750110][ T125] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 45.757066][ T125] really_probe+0x291/0xe60 [ 45.762601][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 45.770576][ T125] driver_probe_device+0x26b/0x3d0 [ 45.776046][ T125] __device_attach_driver+0x1d1/0x290 [ 45.782853][ T125] ? driver_allows_async_probing+0x150/0x150 [ 45.790640][ T125] bus_for_each_drv+0x15f/0x1e0 [ 45.796640][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 45.802546][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 45.809275][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 45.816022][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 45.823327][ T125] __device_attach+0x228/0x4a0 [ 45.828894][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 45.835865][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 45.843703][ T125] bus_probe_device+0x1e4/0x290 [ 45.849447][ T125] device_add+0xb78/0x1d40 [ 45.851543][ T3165] udc-core: couldn't find an available UDC or it's busy [ 45.854062][ T125] ? wait_for_completion_io+0x270/0x270 [ 45.861527][ T3165] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 45.867529][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 45.884181][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 45.892295][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 45.899459][ T125] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 45.907689][ T125] usb_set_configuration+0x1070/0x17a0 [ 45.913732][ T125] usb_generic_driver_probe+0xba/0x100 [ 45.920384][ T125] usb_probe_device+0xd9/0x2c0 [ 45.926684][ T125] ? usb_driver_release_interface+0x180/0x180 [ 45.933386][ T125] really_probe+0x291/0xe60 [ 45.938502][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 45.945647][ T125] driver_probe_device+0x26b/0x3d0 [ 45.951459][ T125] __device_attach_driver+0x1d1/0x290 [ 45.957690][ T125] ? driver_allows_async_probing+0x150/0x150 [ 45.964583][ T125] bus_for_each_drv+0x15f/0x1e0 [ 45.969951][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 45.976600][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 45.984046][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 45.989105][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 45.995182][ T125] __device_attach+0x228/0x4a0 [ 46.001131][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 46.008132][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 46.014345][ T125] bus_probe_device+0x1e4/0x290 [ 46.020071][ T125] device_add+0xb78/0x1d40 [ 46.025622][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 46.033951][ T125] usb_new_device.cold+0x592/0xd54 [ 46.040441][ T125] hub_event+0x22e1/0x4250 [ 46.045137][ T125] ? hub_port_debounce+0x3c0/0x3c0 [ 46.050928][ T125] ? lock_downgrade+0x5b1/0x6d0 [ 46.055860][ T125] ? pwq_unbound_release_workfn+0x40/0x2d0 [ 46.062160][ T125] ? lock_release+0x6d0/0x6d0 [ 46.067129][ T125] ? lock_downgrade+0x6d0/0x6d0 [ 46.073134][ T125] ? do_raw_spin_lock+0x120/0x260 [ 46.079966][ T125] ? lock_is_held_type+0x98/0x110 [ 46.085726][ T125] process_one_work+0x98d/0x1580 [ 46.090947][ T125] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 46.096766][ T125] ? rwlock_bug.part.0+0x90/0x90 [ 46.102430][ T125] worker_thread+0x64c/0x1120 [ 46.107957][ T125] ? __kthread_parkme+0x118/0x1d0 [ 46.113818][ T125] ? process_one_work+0x1580/0x1580 [ 46.119511][ T125] kthread+0x38c/0x460 [ 46.123961][ T125] ? _raw_spin_unlock_irq+0x1f/0x30 [ 46.129611][ T125] ? __kthread_bind_mask+0xc0/0xc0 [ 46.136166][ T125] ret_from_fork+0x1f/0x30 [ 46.142686][ T125] irq event stamp: 17787 [ 46.147246][ T125] hardirqs last enabled at (17795): [] console_unlock+0x5d6/0xb70 [ 46.157989][ T125] hardirqs last disabled at (17804): [] console_unlock+0x84a/0xb70 [ 46.169640][ T125] softirqs last enabled at (17784): [] irq_exit_rcu+0x110/0x1a0 [ 46.180009][ T125] softirqs last disabled at (17131): [] irq_exit_rcu+0x110/0x1a0 [ 46.190496][ T125] ---[ end trace ce4ab51f4b0c22dd ]--- [ 46.196967][ T125] usb 1-1: Failed to create links for entity 255 [ 46.204464][ T125] usb 1-1: Failed to register entities (-22). [ 46.216275][ T125] usb 1-1: USB disconnect, device number 2 [ 46.582252][ T125] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 46.822210][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 46.942286][ T125] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 46.954669][ T125] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 46.964862][ T125] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.982452][ T125] usb 1-1: config 0 descriptor?? [ 46.996467][ T3188] udc-core: couldn't find an available UDC or it's busy [ 46.997487][ T3186] udc-core: couldn't find an available UDC or it's busy [ 47.004481][ T3188] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.016333][ T3189] udc-core: couldn't find an available UDC or it's busy [ 47.020984][ T3186] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.028899][ T3189] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.041840][ T3187] udc-core: couldn't find an available UDC or it's busy [ 47.046246][ T3191] udc-core: couldn't find an available UDC or it's busy [ 47.053339][ T3187] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.070143][ T3191] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.082737][ T125] usb 1-1: can't set config #0, error -71 [ 47.089771][ T125] usb 1-1: USB disconnect, device number 3 [ 47.502108][ T125] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 47.558642][ T3187] udc-core: couldn't find an available UDC or it's busy [ 47.566791][ T3187] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.576267][ T3188] udc-core: couldn't find an available UDC or it's busy [ 47.583323][ T3191] udc-core: couldn't find an available UDC or it's busy [ 47.584359][ T3188] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.592579][ T3191] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.605220][ T3189] udc-core: couldn't find an available UDC or it's busy [ 47.616594][ T3186] udc-core: couldn't find an available UDC or it's busy [ 47.617968][ T3189] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.626506][ T3186] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.652361][ T3198] udc-core: couldn't find an available UDC or it's busy [ 47.660556][ T3198] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.689727][ T3206] udc-core: couldn't find an available UDC or it's busy [ 47.698081][ T3206] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.715341][ T3209] udc-core: couldn't find an available UDC or it's busy [ 47.722604][ T3209] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.735162][ T3208] udc-core: couldn't find an available UDC or it's busy [ 47.744243][ T3208] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.755004][ T3211] udc-core: couldn't find an available UDC or it's busy [ 47.762330][ T3211] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 47.772153][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 47.912077][ T125] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 47.923404][ T125] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 47.934991][ T125] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 47.947646][ T125] usb 1-1: config 0 descriptor?? [ 48.185826][ T3198] udc-core: couldn't find an available UDC or it's busy [ 48.194695][ T3198] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.216700][ T3219] udc-core: couldn't find an available UDC or it's busy [ 48.224898][ T3219] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.272012][ T3206] udc-core: couldn't find an available UDC or it's busy [ 48.272081][ T3211] udc-core: couldn't find an available UDC or it's busy [ 48.279498][ T3206] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.287445][ T3211] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.299268][ T3209] udc-core: couldn't find an available UDC or it's busy [ 48.305043][ T3208] udc-core: couldn't find an available UDC or it's busy [ 48.312457][ T3209] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.320549][ T3208] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.661994][ T125] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 48.669814][ T125] uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! [ 48.681432][ T125] ------------[ cut here ]------------ [ 48.688305][ T125] WARNING: CPU: 1 PID: 125 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 [ 48.700791][ T125] Modules linked in: [ 48.705258][ T125] CPU: 1 PID: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-syzkaller #0 [ 48.716930][ T125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.728768][ T125] Workqueue: usb_hub_wq hub_event [ 48.734193][ T125] RIP: 0010:media_create_pad_link+0x4de/0x650 [ 48.742145][ T125] Code: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff [ 48.743516][ T3219] udc-core: couldn't find an available UDC or it's busy [ 48.764164][ T125] RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 [ 48.764191][ T125] RAX: 0000000000000000 RBX: ffff888114f41080 RCX: 0000000000000000 [ 48.764206][ T125] RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 [ 48.764221][ T125] RBP: ffff88811698f880 R08: 0000000000000003 R09: 0000000000000000 [ 48.764236][ T125] R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 [ 48.764250][ T125] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88811698f880 [ 48.764265][ T125] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 48.764288][ T125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.764306][ T125] CR2: 000055f124d89ae8 CR3: 0000000109896003 CR4: 00000000001706e0 [ 48.764322][ T125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.764337][ T125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.764353][ T125] Call Trace: [ 48.771285][ T3219] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 48.778241][ T125] uvc_mc_register_entities+0x5cd/0x910 [ 48.884697][ T125] uvc_probe.cold+0x1997/0x3397 [ 48.890173][ T125] ? pm_runtime_enable+0x2a/0x310 [ 48.895734][ T125] ? lock_is_held_type+0x98/0x110 [ 48.902208][ T125] ? lock_release+0x1e6/0x6d0 [ 48.907368][ T125] ? ktime_get_mono_fast_ns+0x168/0x1f0 [ 48.913439][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 48.920075][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 48.926391][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 48.932487][ T125] usb_probe_interface+0x315/0x7f0 [ 48.938334][ T125] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 48.945834][ T125] really_probe+0x291/0xe60 [ 48.951572][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 48.959309][ T125] driver_probe_device+0x26b/0x3d0 [ 48.965604][ T125] __device_attach_driver+0x1d1/0x290 [ 48.971637][ T125] ? driver_allows_async_probing+0x150/0x150 [ 48.978639][ T125] bus_for_each_drv+0x15f/0x1e0 [ 48.984563][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 48.990734][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 48.997815][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 49.004081][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 49.011051][ T125] __device_attach+0x228/0x4a0 [ 49.016560][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 49.023425][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 49.029359][ T125] bus_probe_device+0x1e4/0x290 [ 49.034869][ T125] device_add+0xb78/0x1d40 [ 49.039908][ T125] ? wait_for_completion_io+0x270/0x270 [ 49.046392][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 49.055851][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 49.062605][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 49.069482][ T125] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.076709][ T125] usb_set_configuration+0x1070/0x17a0 [ 49.082933][ T125] usb_generic_driver_probe+0xba/0x100 [ 49.089877][ T125] usb_probe_device+0xd9/0x2c0 [ 49.096768][ T125] ? usb_driver_release_interface+0x180/0x180 [ 49.104268][ T125] really_probe+0x291/0xe60 [ 49.109808][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 49.117007][ T125] driver_probe_device+0x26b/0x3d0 [ 49.123632][ T125] __device_attach_driver+0x1d1/0x290 [ 49.129301][ T125] ? driver_allows_async_probing+0x150/0x150 [ 49.135777][ T125] bus_for_each_drv+0x15f/0x1e0 [ 49.141397][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 49.147374][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 49.153472][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 49.158867][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 49.165821][ T125] __device_attach+0x228/0x4a0 [ 49.171274][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 49.178325][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 49.184254][ T125] bus_probe_device+0x1e4/0x290 [ 49.189806][ T125] device_add+0xb78/0x1d40 [ 49.194875][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 49.201968][ T125] usb_new_device.cold+0x592/0xd54 [ 49.207952][ T125] hub_event+0x22e1/0x4250 [ 49.213172][ T125] ? hub_port_debounce+0x3c0/0x3c0 [ 49.218816][ T125] ? lock_downgrade+0x5b1/0x6d0 [ 49.224464][ T125] ? pwq_unbound_release_workfn+0x41/0x2d0 [ 49.230797][ T125] ? lock_release+0x6d0/0x6d0 [ 49.236073][ T125] ? lock_downgrade+0x6d0/0x6d0 [ 49.241668][ T125] ? do_raw_spin_lock+0x120/0x260 [ 49.247786][ T125] ? lock_is_held_type+0x98/0x110 [ 49.253691][ T125] process_one_work+0x98d/0x1580 [ 49.260830][ T125] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 49.267939][ T125] ? rwlock_bug.part.0+0x90/0x90 [ 49.273431][ T125] worker_thread+0x82b/0x1120 [ 49.279277][ T125] ? __kthread_parkme+0x118/0x1d0 [ 49.284884][ T125] ? process_one_work+0x1580/0x1580 [ 49.290542][ T125] kthread+0x38c/0x460 [ 49.295330][ T125] ? _raw_spin_unlock_irq+0x1f/0x30 [ 49.301189][ T125] ? __kthread_bind_mask+0xc0/0xc0 [ 49.307215][ T125] ret_from_fork+0x1f/0x30 [ 49.312081][ T125] irq event stamp: 26063 [ 49.316924][ T125] hardirqs last enabled at (26071): [] console_unlock+0x5d6/0xb70 [ 49.327509][ T125] hardirqs last disabled at (26080): [] console_unlock+0x84a/0xb70 [ 49.338742][ T125] softirqs last enabled at (26032): [] irq_exit_rcu+0x110/0x1a0 [ 49.350278][ T125] softirqs last disabled at (26027): [] irq_exit_rcu+0x110/0x1a0 [ 49.360629][ T125] ---[ end trace ce4ab51f4b0c22de ]--- [ 49.367068][ T125] usb 1-1: Failed to create links for entity 255 [ 49.375291][ T125] usb 1-1: Failed to register entities (-22). [ 49.385303][ T125] usb 1-1: USB disconnect, device number 4 [ 49.741740][ T125] usb 1-1: new high-speed USB device number 5 using dummy_hcd 2021/03/25 22:24:24 executed programs: 31 [ 49.981661][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 50.020496][ T3243] udc-core: couldn't find an available UDC or it's busy [ 50.021526][ T3242] udc-core: couldn't find an available UDC or it's busy [ 50.028321][ T3243] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.035657][ T3242] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.049693][ T3245] udc-core: couldn't find an available UDC or it's busy [ 50.052979][ T3241] udc-core: couldn't find an available UDC or it's busy [ 50.060298][ T3245] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.061969][ T125] usb 1-1: device descriptor read/all, error -71 [ 50.068535][ T3241] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.084604][ T3244] udc-core: couldn't find an available UDC or it's busy [ 50.100170][ T3244] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.461686][ T125] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 50.583503][ T3245] udc-core: couldn't find an available UDC or it's busy [ 50.591772][ T3245] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.591949][ T3243] udc-core: couldn't find an available UDC or it's busy [ 50.607286][ T3243] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.613065][ T3250] udc-core: couldn't find an available UDC or it's busy [ 50.621680][ T3241] udc-core: couldn't find an available UDC or it's busy [ 50.623362][ T3250] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.630825][ T3241] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.642007][ T3244] udc-core: couldn't find an available UDC or it's busy [ 50.648601][ T3242] udc-core: couldn't find an available UDC or it's busy [ 50.654211][ T3244] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.661715][ T3242] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.705814][ T3259] udc-core: couldn't find an available UDC or it's busy [ 50.707731][ T3258] udc-core: couldn't find an available UDC or it's busy [ 50.713166][ T3259] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.720511][ T3258] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.729255][ T3260] udc-core: couldn't find an available UDC or it's busy [ 50.739900][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 50.747099][ T3260] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.776060][ T3264] udc-core: couldn't find an available UDC or it's busy [ 50.784468][ T3264] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 50.891723][ T125] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 50.904806][ T125] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 50.914681][ T125] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.927950][ T125] usb 1-1: config 0 descriptor?? [ 51.140123][ T3250] udc-core: couldn't find an available UDC or it's busy [ 51.147886][ T3250] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.185419][ T3271] udc-core: couldn't find an available UDC or it's busy [ 51.194267][ T3271] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.249090][ T3260] udc-core: couldn't find an available UDC or it's busy [ 51.257857][ T3260] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.265737][ T3259] udc-core: couldn't find an available UDC or it's busy [ 51.274083][ T3259] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.284787][ T3258] udc-core: couldn't find an available UDC or it's busy [ 51.293591][ T3258] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.305714][ T3264] udc-core: couldn't find an available UDC or it's busy [ 51.313617][ T3264] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.661627][ T125] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 51.670605][ T125] uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! [ 51.683499][ T125] ------------[ cut here ]------------ [ 51.690610][ T125] WARNING: CPU: 1 PID: 125 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 [ 51.704003][ T125] Modules linked in: [ 51.708059][ T125] CPU: 1 PID: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-syzkaller #0 [ 51.719382][ T125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.723496][ T3271] udc-core: couldn't find an available UDC or it's busy [ 51.732309][ T125] Workqueue: usb_hub_wq hub_event [ 51.742824][ T3271] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 51.757501][ T125] RIP: 0010:media_create_pad_link+0x4de/0x650 [ 51.764608][ T125] Code: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff [ 51.786811][ T125] RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 [ 51.795143][ T125] RAX: 0000000000000000 RBX: ffff88810e698080 RCX: 0000000000000000 [ 51.804386][ T125] RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 [ 51.813845][ T125] RBP: ffff88810e69b080 R08: 0000000000000003 R09: 0000000000000000 [ 51.823133][ T125] R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 [ 51.833088][ T125] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810e69b080 [ 51.842660][ T125] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 51.852572][ T125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.860979][ T125] CR2: 000055f124d89ae8 CR3: 0000000109896002 CR4: 00000000001706e0 [ 51.870850][ T125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.881092][ T125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.891346][ T125] Call Trace: [ 51.896030][ T125] uvc_mc_register_entities+0x5cd/0x910 [ 51.902389][ T125] uvc_probe.cold+0x1997/0x3397 [ 51.908203][ T125] ? pm_runtime_enable+0x2a/0x310 [ 51.915593][ T125] ? lock_is_held_type+0x98/0x110 [ 51.922663][ T125] ? lock_release+0x1e6/0x6d0 [ 51.929176][ T125] ? ktime_get_mono_fast_ns+0x168/0x1f0 [ 51.936161][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 51.945193][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 51.953882][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 51.961254][ T125] usb_probe_interface+0x315/0x7f0 [ 51.968970][ T125] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 51.975630][ T125] really_probe+0x291/0xe60 [ 51.982631][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 51.990996][ T125] driver_probe_device+0x26b/0x3d0 [ 52.000242][ T125] __device_attach_driver+0x1d1/0x290 [ 52.011658][ T125] ? driver_allows_async_probing+0x150/0x150 [ 52.019681][ T125] bus_for_each_drv+0x15f/0x1e0 [ 52.027228][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.033229][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 52.041734][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 52.047822][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 52.055219][ T125] __device_attach+0x228/0x4a0 [ 52.060651][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 52.068411][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 52.074800][ T125] bus_probe_device+0x1e4/0x290 [ 52.081947][ T125] device_add+0xb78/0x1d40 [ 52.087556][ T125] ? wait_for_completion_io+0x270/0x270 [ 52.096138][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 52.106191][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 52.115205][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 52.123681][ T125] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 52.131824][ T125] usb_set_configuration+0x1070/0x17a0 [ 52.139029][ T125] usb_generic_driver_probe+0xba/0x100 [ 52.145735][ T125] usb_probe_device+0xd9/0x2c0 [ 52.152197][ T125] ? usb_driver_release_interface+0x180/0x180 [ 52.160062][ T125] really_probe+0x291/0xe60 [ 52.166100][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 52.174729][ T125] driver_probe_device+0x26b/0x3d0 [ 52.181726][ T125] __device_attach_driver+0x1d1/0x290 [ 52.188209][ T125] ? driver_allows_async_probing+0x150/0x150 [ 52.197597][ T125] bus_for_each_drv+0x15f/0x1e0 [ 52.205530][ T125] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.213117][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 52.219872][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 52.225484][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 52.234864][ T125] __device_attach+0x228/0x4a0 [ 52.242151][ T125] ? __driver_attach_async_helper+0x330/0x330 [ 52.249331][ T125] ? kobject_uevent_env+0x2b4/0x1540 [ 52.256017][ T125] bus_probe_device+0x1e4/0x290 [ 52.261675][ T125] device_add+0xb78/0x1d40 [ 52.266597][ T125] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 52.274801][ T125] usb_new_device.cold+0x592/0xd54 [ 52.281370][ T125] hub_event+0x22e1/0x4250 [ 52.288526][ T125] ? hub_port_debounce+0x3c0/0x3c0 [ 52.295771][ T125] ? lock_downgrade+0x5b1/0x6d0 [ 52.302820][ T125] ? pwq_unbound_release_workfn+0x41/0x2d0 [ 52.309282][ T125] ? lock_release+0x6d0/0x6d0 [ 52.316041][ T125] ? lock_downgrade+0x6d0/0x6d0 [ 52.322467][ T125] ? do_raw_spin_lock+0x120/0x260 [ 52.330248][ T125] ? lock_is_held_type+0x98/0x110 [ 52.336269][ T125] process_one_work+0x98d/0x1580 [ 52.343725][ T125] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 52.349687][ T125] ? rwlock_bug.part.0+0x90/0x90 [ 52.356329][ T125] worker_thread+0x82b/0x1120 [ 52.362096][ T125] ? __kthread_parkme+0x118/0x1d0 [ 52.367719][ T125] ? process_one_work+0x1580/0x1580 [ 52.373861][ T125] kthread+0x38c/0x460 [ 52.379051][ T125] ? _raw_spin_unlock_irq+0x1f/0x30 [ 52.388189][ T125] ? __kthread_bind_mask+0xc0/0xc0 [ 52.395226][ T125] ret_from_fork+0x1f/0x30 [ 52.401053][ T125] irq event stamp: 32891 [ 52.407348][ T125] hardirqs last enabled at (32901): [] console_unlock+0x5d6/0xb70 [ 52.420371][ T125] hardirqs last disabled at (32910): [] console_unlock+0x84a/0xb70 [ 52.432909][ T125] softirqs last enabled at (32880): [] irq_exit_rcu+0x110/0x1a0 [ 52.443600][ T125] softirqs last disabled at (32875): [] irq_exit_rcu+0x110/0x1a0 [ 52.454124][ T125] ---[ end trace ce4ab51f4b0c22df ]--- [ 52.461709][ T125] usb 1-1: Failed to create links for entity 255 [ 52.469712][ T125] usb 1-1: Failed to register entities (-22). [ 52.483852][ T125] usb 1-1: USB disconnect, device number 6 [ 52.841362][ T125] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 53.035775][ T3294] udc-core: couldn't find an available UDC or it's busy [ 53.036559][ T3293] udc-core: couldn't find an available UDC or it's busy [ 53.043643][ T3294] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.051157][ T3293] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.063360][ T3297] udc-core: couldn't find an available UDC or it's busy [ 53.068373][ T3296] udc-core: couldn't find an available UDC or it's busy [ 53.076061][ T3297] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.079836][ T3298] udc-core: couldn't find an available UDC or it's busy [ 53.084051][ T3296] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.113998][ T3298] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.579681][ T3294] udc-core: couldn't find an available UDC or it's busy [ 53.586041][ T3296] udc-core: couldn't find an available UDC or it's busy [ 53.587951][ T3294] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.595961][ T3296] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.604335][ T125] usb 1-1: device not accepting address 7, error -71 [ 53.612831][ T3297] udc-core: couldn't find an available UDC or it's busy [ 53.624774][ T3298] udc-core: couldn't find an available UDC or it's busy [ 53.629050][ T3297] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.636952][ T3298] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.645514][ T3293] udc-core: couldn't find an available UDC or it's busy [ 53.660610][ T3293] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.675562][ T3304] udc-core: couldn't find an available UDC or it's busy [ 53.682961][ T3304] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.692742][ T3305] udc-core: couldn't find an available UDC or it's busy [ 53.700573][ T3305] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.733045][ T3313] udc-core: couldn't find an available UDC or it's busy [ 53.735480][ T3316] udc-core: couldn't find an available UDC or it's busy [ 53.742722][ T3313] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.746327][ T3315] udc-core: couldn't find an available UDC or it's busy [ 53.749788][ T3316] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 53.775664][ T3315] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.031153][ T125] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 54.198246][ T3304] udc-core: couldn't find an available UDC or it's busy [ 54.208132][ T3304] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.219360][ T3305] udc-core: couldn't find an available UDC or it's busy [ 54.228774][ T3305] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.247340][ T3321] udc-core: couldn't find an available UDC or it's busy [ 54.255257][ T3321] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.260610][ T3316] udc-core: couldn't find an available UDC or it's busy [ 54.270853][ T3316] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.284682][ T125] usb 1-1: Using ep0 maxpacket: 8 [ 54.287175][ T3313] udc-core: couldn't find an available UDC or it's busy [ 54.299937][ T3313] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.307984][ T3315] udc-core: couldn't find an available UDC or it's busy [ 54.317967][ T3315] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 54.411296][ T125] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 54.425250][ T125] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 54.437001][ T125] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 54.451767][ T125] usb 1-1: config 0 descriptor?? [ 54.764993][ T3321] udc-core: couldn't find an available UDC or it's busy [ 54.774330][ T3321] misc raw-gadget: fail, usb_gadget_probe_driver returned -19 [ 55.171403][ T125] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 55.179505][ T125] uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! [ 55.191667][ T125] ------------[ cut here ]------------ [ 55.198522][ T125] WARNING: CPU: 1 PID: 125 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 [ 55.212357][ T125] Modules linked in: [ 55.217267][ T125] CPU: 1 PID: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-syzkaller #0 [ 55.228681][ T125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.242325][ T125] Workqueue: usb_hub_wq hub_event [ 55.248526][ T125] RIP: 0010:media_create_pad_link+0x4de/0x650 [ 55.256488][ T125] Code: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff [ 55.280400][ T125] RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 [ 55.288782][ T125] RAX: 0000000000000000 RBX: ffff88810fa23880 RCX: 0000000000000000 [ 55.298135][ T125] RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 [ 55.307231][ T125] RBP: ffff88810fa24880 R08: 0000000000000003 R09: 0000000000000000 [ 55.316219][ T125] R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 [ 55.325786][ T125] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810fa24880 [ 55.334829][ T125] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 55.345507][ T125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.352754][ T125] CR2: 000055f124d8c8d0 CR3: 0000000109896001 CR4: 00000000001706e0 [ 55.361787][ T125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.371737][ T125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.381278][ T125] Call Trace: [ 55.384959][ T125] uvc_mc_register_entities+0x5cd/0x910 [ 55.391269][ T125] uvc_probe.cold+0x1997/0x3397 [ 55.397604][ T125] ? pm_runtime_enable+0x2a/0x310 [ 55.403947][ T125] ? lock_is_held_type+0x98/0x110 [ 55.409327][ T125] ? lock_release+0x1e6/0x6d0 [ 55.414605][ T125] ? ktime_get_mono_fast_ns+0x168/0x1f0 [ 55.421164][ T125] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 55.428082][ T125] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 55.435511][ T125] ? trace_hardirqs_on+0x5b/0x1a0 [ 55.441682][ T125] usb_probe_interface+0x315/0x7f0 [ 55.447995][ T125] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 55.454317][ T125] really_probe+0x291/0xe60 [ 55.460765][ T125] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80