syzkaller syzkaller login: [ 32.276076][ T2461] can: request_module (can-proto-0) failed. [ 32.307080][ T2461] can: request_module (can-proto-2) failed. [ 32.337311][ T2461] can: request_module (can-proto-0) failed. [ 32.367992][ T2461] can: request_module (can-proto-7) failed. [ 32.399191][ T2461] can: request_module (can-proto-0) failed. [ 32.429705][ T2461] can: request_module (can-proto-1) failed. Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. 2023/04/12 14:28:18 parsed 1 programs 2023/04/12 14:28:19 executed programs: 0 [ 64.490208][ T700] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 64.730170][ T700] usb 1-1: Using ep0 maxpacket: 8 [ 64.850198][ T700] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 64.860729][ T700] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 64.870128][ T700] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.884998][ T700] usb 1-1: config 0 descriptor?? [ 65.620245][ T700] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 65.627472][ T700] uvcvideo 1-1:0.0: Entity type for entity Output 255 was not initialized! [ 65.637064][ T700] ------------[ cut here ]------------ [ 65.642625][ T700] WARNING: CPU: 1 PID: 700 at drivers/media/mc/mc-entity.c:1089 media_create_pad_link+0x4e2/0x650 [ 65.653691][ T700] Modules linked in: [ 65.657619][ T700] CPU: 1 PID: 700 Comm: kworker/1:2 Not tainted 6.3.0-rc6-syzkaller-00128-g8e86652e3e71 #0 [ 65.668189][ T700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 65.678663][ T700] Workqueue: usb_hub_wq hub_event [ 65.684020][ T700] RIP: 0010:media_create_pad_link+0x4e2/0x650 [ 65.690360][ T700] Code: d4 ce e9 fc 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 bd ce e9 fc 0f 0b 41 bc ea ff ff ff eb da e8 ae ce e9 fc <0f> 0b 41 bc ea ff ff ff eb cb e8 9f ce e9 fc 0f 0b 41 bc ea ff ff [ 65.711385][ T700] RSP: 0018:ffffc900026aefe8 EFLAGS: 00010293 [ 65.717673][ T700] RAX: 0000000000000000 RBX: ffff8881150ff080 RCX: 0000000000000000 [ 65.727336][ T700] RDX: ffff88810f0fd580 RSI: ffffffff8460bbb2 RDI: 0000000000000002 [ 65.735625][ T700] RBP: ffff8881150fd880 R08: 0000000000000002 R09: 0000000000000000 [ 65.744047][ T700] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 65.752343][ T700] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 65.760639][ T700] FS: 0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 [ 65.769955][ T700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.776775][ T700] CR2: 00005621aea6af28 CR3: 000000011594d000 CR4: 00000000003506e0 [ 65.784807][ T700] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.793101][ T700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.801142][ T700] Call Trace: [ 65.804461][ T700] [ 65.807469][ T700] uvc_mc_register_entities+0x629/0xaa0 [ 65.813092][ T700] uvc_probe+0x2838/0x4790 [ 65.817571][ T700] usb_probe_interface+0x30f/0x960 [ 65.822780][ T700] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 65.828383][ T700] really_probe+0x240/0xca0 [ 65.833018][ T700] __driver_probe_device+0x1df/0x4d0 [ 65.838338][ T700] ? usb_match_id.part.0+0x15d/0x1b0 [ 65.843705][ T700] driver_probe_device+0x4c/0x1a0 [ 65.848781][ T700] __device_attach_driver+0x1d4/0x2e0 [ 65.854561][ T700] bus_for_each_drv+0x149/0x1d0 [ 65.859533][ T700] ? driver_probe_device+0x1a0/0x1a0 [ 65.864894][ T700] ? bus_for_each_dev+0x1c0/0x1c0 [ 65.869945][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 65.875815][ T700] ? lockdep_hardirqs_on+0x7d/0x100 [ 65.881064][ T700] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.886873][ T700] __device_attach+0x1e4/0x4b0 [ 65.891728][ T700] ? device_driver_attach+0x210/0x210 [ 65.897130][ T700] ? do_raw_spin_unlock+0x175/0x230 [ 65.902392][ T700] bus_probe_device+0x17c/0x1c0 [ 65.907280][ T700] device_add+0x11c4/0x1c50 [ 65.912125][ T700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 65.919095][ T700] ? mark_held_locks+0x9f/0xe0 [ 65.924126][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 65.930040][ T700] usb_set_configuration+0x10ee/0x1af0 [ 65.935765][ T700] usb_generic_driver_probe+0xcf/0x130 [ 65.941314][ T700] usb_probe_device+0xd8/0x2c0 [ 65.946103][ T700] ? usb_driver_release_interface+0x190/0x190 [ 65.952409][ T700] really_probe+0x240/0xca0 [ 65.957054][ T700] __driver_probe_device+0x1df/0x4d0 [ 65.962417][ T700] driver_probe_device+0x4c/0x1a0 [ 65.967576][ T700] __device_attach_driver+0x1d4/0x2e0 [ 65.973385][ T700] bus_for_each_drv+0x149/0x1d0 [ 65.978354][ T700] ? driver_probe_device+0x1a0/0x1a0 [ 65.983932][ T700] ? bus_for_each_dev+0x1c0/0x1c0 [ 65.989193][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 65.995248][ T700] ? lockdep_hardirqs_on+0x7d/0x100 [ 66.000632][ T700] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 66.006679][ T700] __device_attach+0x1e4/0x4b0 [ 66.011529][ T700] ? device_driver_attach+0x210/0x210 [ 66.017271][ T700] ? do_raw_spin_unlock+0x175/0x230 [ 66.022801][ T700] bus_probe_device+0x17c/0x1c0 [ 66.028032][ T700] device_add+0x11c4/0x1c50 [ 66.032599][ T700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 66.039568][ T700] ? usb_detect_static_quirks+0x305/0x3b0 [ 66.045371][ T700] ? mark_held_locks+0x9f/0xe0 [ 66.050191][ T700] usb_new_device+0xcb2/0x19d0 [ 66.054968][ T700] ? hub_disconnect+0x510/0x510 [ 66.060017][ T700] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.065296][ T700] hub_event+0x2e3d/0x4ed0 2023/04/12 14:28:32 executed programs: 1 [ 66.069843][ T700] ? hub_port_debounce+0x3b0/0x3b0 [ 66.076315][ T700] ? lock_release+0x670/0x670 [ 66.081087][ T700] ? lock_downgrade+0x690/0x690 [ 66.086854][ T700] ? do_raw_spin_lock+0x124/0x2b0 [ 66.092024][ T700] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.097409][ T700] process_one_work+0x991/0x15c0 [ 66.102514][ T700] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 66.108032][ T700] ? spin_bug+0x1c0/0x1c0 [ 66.112460][ T700] ? _raw_spin_lock_irq+0x45/0x50 [ 66.117621][ T700] worker_thread+0x669/0x1090 [ 66.122390][ T700] ? __kthread_parkme+0x163/0x220 [ 66.127548][ T700] ? process_one_work+0x15c0/0x15c0 [ 66.132859][ T700] kthread+0x2ee/0x3a0 [ 66.136984][ T700] ? kthread_complete_and_exit+0x40/0x40 [ 66.142817][ T700] ret_from_fork+0x1f/0x30 [ 66.147242][ T700] [ 66.150317][ T700] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 66.157602][ T700] CPU: 1 PID: 700 Comm: kworker/1:2 Not tainted 6.3.0-rc6-syzkaller-00128-g8e86652e3e71 #0 [ 66.167682][ T700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 66.177749][ T700] Workqueue: usb_hub_wq hub_event [ 66.182778][ T700] Call Trace: [ 66.186228][ T700] [ 66.189170][ T700] dump_stack_lvl+0xd9/0x150 [ 66.193922][ T700] panic+0x688/0x730 [ 66.197828][ T700] ? panic_smp_self_stop+0x90/0x90 [ 66.203040][ T700] ? show_trace_log_lvl+0x285/0x390 [ 66.208267][ T700] ? media_create_pad_link+0x4e2/0x650 [ 66.213833][ T700] check_panic_on_warn+0xb1/0xc0 [ 66.218770][ T700] __warn+0xf2/0x390 [ 66.222659][ T700] ? media_create_pad_link+0x4e2/0x650 [ 66.228206][ T700] report_bug+0x2da/0x500 [ 66.232537][ T700] handle_bug+0x3c/0x70 [ 66.236699][ T700] exc_invalid_op+0x18/0x50 [ 66.241220][ T700] asm_exc_invalid_op+0x1a/0x20 [ 66.246155][ T700] RIP: 0010:media_create_pad_link+0x4e2/0x650 [ 66.252226][ T700] Code: d4 ce e9 fc 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 bd ce e9 fc 0f 0b 41 bc ea ff ff ff eb da e8 ae ce e9 fc <0f> 0b 41 bc ea ff ff ff eb cb e8 9f ce e9 fc 0f 0b 41 bc ea ff ff [ 66.271918][ T700] RSP: 0018:ffffc900026aefe8 EFLAGS: 00010293 [ 66.277978][ T700] RAX: 0000000000000000 RBX: ffff8881150ff080 RCX: 0000000000000000 [ 66.285976][ T700] RDX: ffff88810f0fd580 RSI: ffffffff8460bbb2 RDI: 0000000000000002 [ 66.294026][ T700] RBP: ffff8881150fd880 R08: 0000000000000002 R09: 0000000000000000 [ 66.302004][ T700] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 66.310240][ T700] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 66.318404][ T700] ? media_create_pad_link+0x4e2/0x650 [ 66.324057][ T700] ? media_create_pad_link+0x4e2/0x650 [ 66.329557][ T700] uvc_mc_register_entities+0x629/0xaa0 [ 66.335219][ T700] uvc_probe+0x2838/0x4790 [ 66.339748][ T700] usb_probe_interface+0x30f/0x960 [ 66.344969][ T700] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 66.350957][ T700] really_probe+0x240/0xca0 [ 66.355576][ T700] __driver_probe_device+0x1df/0x4d0 [ 66.360894][ T700] ? usb_match_id.part.0+0x15d/0x1b0 [ 66.366305][ T700] driver_probe_device+0x4c/0x1a0 [ 66.371428][ T700] __device_attach_driver+0x1d4/0x2e0 [ 66.376897][ T700] bus_for_each_drv+0x149/0x1d0 [ 66.381925][ T700] ? driver_probe_device+0x1a0/0x1a0 [ 66.387314][ T700] ? bus_for_each_dev+0x1c0/0x1c0 [ 66.392437][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 66.398337][ T700] ? lockdep_hardirqs_on+0x7d/0x100 [ 66.403626][ T700] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 66.409442][ T700] __device_attach+0x1e4/0x4b0 [ 66.414222][ T700] ? device_driver_attach+0x210/0x210 [ 66.419858][ T700] ? do_raw_spin_unlock+0x175/0x230 [ 66.425319][ T700] bus_probe_device+0x17c/0x1c0 [ 66.430164][ T700] device_add+0x11c4/0x1c50 [ 66.434679][ T700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 66.441527][ T700] ? mark_held_locks+0x9f/0xe0 [ 66.446292][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 66.452197][ T700] usb_set_configuration+0x10ee/0x1af0 [ 66.457678][ T700] usb_generic_driver_probe+0xcf/0x130 [ 66.463235][ T700] usb_probe_device+0xd8/0x2c0 [ 66.468085][ T700] ? usb_driver_release_interface+0x190/0x190 [ 66.474233][ T700] really_probe+0x240/0xca0 [ 66.478757][ T700] __driver_probe_device+0x1df/0x4d0 [ 66.484042][ T700] driver_probe_device+0x4c/0x1a0 [ 66.489426][ T700] __device_attach_driver+0x1d4/0x2e0 [ 66.494797][ T700] bus_for_each_drv+0x149/0x1d0 [ 66.499640][ T700] ? driver_probe_device+0x1a0/0x1a0 [ 66.504954][ T700] ? bus_for_each_dev+0x1c0/0x1c0 [ 66.509985][ T700] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 66.515793][ T700] ? lockdep_hardirqs_on+0x7d/0x100 [ 66.520996][ T700] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 66.526800][ T700] __device_attach+0x1e4/0x4b0 [ 66.531566][ T700] ? device_driver_attach+0x210/0x210 [ 66.537379][ T700] ? do_raw_spin_unlock+0x175/0x230 [ 66.542601][ T700] bus_probe_device+0x17c/0x1c0 [ 66.547575][ T700] device_add+0x11c4/0x1c50 [ 66.552079][ T700] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 66.558924][ T700] ? usb_detect_static_quirks+0x305/0x3b0 [ 66.564664][ T700] ? mark_held_locks+0x9f/0xe0 [ 66.569425][ T700] usb_new_device+0xcb2/0x19d0 [ 66.574237][ T700] ? hub_disconnect+0x510/0x510 [ 66.579115][ T700] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.584504][ T700] hub_event+0x2e3d/0x4ed0 [ 66.589182][ T700] ? hub_port_debounce+0x3b0/0x3b0 [ 66.594308][ T700] ? lock_release+0x670/0x670 [ 66.599167][ T700] ? lock_downgrade+0x690/0x690 [ 66.604014][ T700] ? do_raw_spin_lock+0x124/0x2b0 [ 66.609033][ T700] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.614231][ T700] process_one_work+0x991/0x15c0 [ 66.619164][ T700] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 66.624546][ T700] ? spin_bug+0x1c0/0x1c0 [ 66.628956][ T700] ? _raw_spin_lock_irq+0x45/0x50 [ 66.634069][ T700] worker_thread+0x669/0x1090 [ 66.638827][ T700] ? __kthread_parkme+0x163/0x220 [ 66.643854][ T700] ? process_one_work+0x15c0/0x15c0 [ 66.649045][ T700] kthread+0x2ee/0x3a0 [ 66.653204][ T700] ? kthread_complete_and_exit+0x40/0x40 [ 66.658849][ T700] ret_from_fork+0x1f/0x30 [ 66.663885][ T700] [ 66.667265][ T700] Kernel Offset: disabled [ 66.671839][ T700] Rebooting in 86400 seconds..