syzkaller syzkaller login: [ 37.457607][ T2477] can: request_module (can-proto-0) failed. [ 37.486477][ T2477] can: request_module (can-proto-2) failed. [ 37.515164][ T2477] can: request_module (can-proto-0) failed. [ 37.544684][ T2477] can: request_module (can-proto-7) failed. [ 37.574905][ T2477] can: request_module (can-proto-0) failed. [ 37.601608][ T2477] can: request_module (can-proto-1) failed. [ 38.171933][ T2477] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 38.658961][ T2477] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts. 2023/08/31 07:25:59 parsed 1 programs 2023/08/31 07:25:59 executed programs: 0 [ 69.640311][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 69.880188][ T25] usb 1-1: Using ep0 maxpacket: 8 [ 70.000396][ T25] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 70.011627][ T25] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 70.021082][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.031691][ T25] usb 1-1: config 0 descriptor?? [ 70.770455][ T25] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 70.777859][ T25] uvcvideo 1-1:0.0: Entity type for entity Output 255 was not initialized! [ 70.787504][ T25] ------------[ cut here ]------------ [ 70.793117][ T25] WARNING: CPU: 1 PID: 25 at drivers/media/mc/mc-entity.c:1083 media_create_pad_link+0x4e7/0x630 [ 70.803924][ T25] Modules linked in: [ 70.807946][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 6.5.0-rc6-syzkaller-00158-g895ed7eb263d #0 [ 70.818084][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 70.828193][ T25] Workqueue: usb_hub_wq hub_event [ 70.833568][ T25] RIP: 0010:media_create_pad_link+0x4e7/0x630 [ 70.839794][ T25] Code: db e8 fd 77 da fc 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e7 77 da fc 0f 0b bb ea ff ff ff eb dc e8 d9 77 da fc <0f> 0b eb f0 e8 d0 77 da fc 0f 0b eb e7 e8 c7 77 da fc 0f 0b eb de [ 70.859952][ T25] RSP: 0018:ffffc900001b6fc0 EFLAGS: 00010293 [ 70.866173][ T25] RAX: 0000000000000000 RBX: ffff8881147ee880 RCX: 0000000000000000 [ 70.874198][ T25] RDX: ffff888104a51d00 RSI: ffffffff8471d3e7 RDI: 0000000000000002 [ 70.882318][ T25] RBP: ffff8881147ec080 R08: 0000000000000002 R09: 0000000000000000 [ 70.890529][ T25] R10: 0000000000000000 R11: ffffffff8ae44130 R12: 0000000000000000 [ 70.899019][ T25] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 70.907157][ T25] FS: 0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 [ 70.916320][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.923055][ T25] CR2: 0000557c0506dc90 CR3: 0000000119035000 CR4: 00000000003506e0 [ 70.931520][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.939721][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.948736][ T25] Call Trace: [ 70.952345][ T25] [ 70.955568][ T25] ? __warn+0xe6/0x380 [ 70.960323][ T25] ? media_create_pad_link+0x4e7/0x630 [ 70.966432][ T25] ? report_bug+0x3bc/0x580 [ 70.971280][ T25] ? handle_bug+0x3c/0x70 [ 70.975698][ T25] ? exc_invalid_op+0x17/0x40 [ 70.981267][ T25] ? asm_exc_invalid_op+0x1a/0x20 [ 70.986773][ T25] ? media_create_pad_link+0x4e7/0x630 [ 70.992506][ T25] ? media_create_pad_link+0x4e7/0x630 [ 70.998249][ T25] uvc_mc_register_entities+0x3a0/0xa90 [ 71.004253][ T25] uvc_probe+0x271a/0x4770 [ 71.008886][ T25] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 71.015029][ T25] usb_probe_interface+0x307/0x930 [ 71.020221][ T25] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 71.025607][ T25] really_probe+0x234/0xc90 [ 71.030262][ T25] __driver_probe_device+0x1de/0x4b0 [ 71.035877][ T25] driver_probe_device+0x4c/0x1a0 [ 71.040960][ T25] __device_attach_driver+0x1d4/0x300 [ 71.046363][ T25] ? driver_probe_device+0x1a0/0x1a0 [ 71.051958][ T25] bus_for_each_drv+0x157/0x1d0 [ 71.056835][ T25] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.062017][ T25] ? lockdep_hardirqs_on+0x7d/0x100 [ 71.067257][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 71.073919][ T25] __device_attach+0x1e8/0x4b0 [ 71.079429][ T25] ? device_driver_attach+0x200/0x200 [ 71.085326][ T25] ? do_raw_spin_unlock+0x173/0x230 [ 71.090775][ T25] bus_probe_device+0x17c/0x1c0 [ 71.095731][ T25] device_add+0x11f1/0x1b40 [ 71.100508][ T25] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 71.107613][ T25] ? mark_held_locks+0x9f/0xe0 [ 71.112579][ T25] usb_set_configuration+0x10cb/0x1c40 [ 71.118351][ T25] usb_generic_driver_probe+0xca/0x130 [ 71.123885][ T25] usb_probe_device+0xda/0x2c0 [ 71.128771][ T25] ? usb_driver_release_interface+0x190/0x190 [ 71.135012][ T25] really_probe+0x234/0xc90 [ 71.139833][ T25] __driver_probe_device+0x1de/0x4b0 [ 71.145367][ T25] ? usb_driver_applicable+0x1c4/0x220 [ 71.150991][ T25] driver_probe_device+0x4c/0x1a0 [ 71.156040][ T25] __device_attach_driver+0x1d4/0x300 [ 71.161493][ T25] ? driver_probe_device+0x1a0/0x1a0 [ 71.166809][ T25] bus_for_each_drv+0x157/0x1d0 [ 71.171917][ T25] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.177145][ T25] ? lockdep_hardirqs_on+0x7d/0x100 [ 71.182687][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 71.188762][ T25] __device_attach+0x1e8/0x4b0 [ 71.193672][ T25] ? device_driver_attach+0x200/0x200 [ 71.199194][ T25] ? do_raw_spin_unlock+0x173/0x230 [ 71.204558][ T25] bus_probe_device+0x17c/0x1c0 [ 71.209726][ T25] device_add+0x11f1/0x1b40 [ 71.214407][ T25] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 2023/08/31 07:26:10 executed programs: 1 [ 71.221676][ T25] ? usb_detect_static_quirks+0x335/0x3e0 [ 71.227505][ T25] usb_new_device+0xd80/0x1960 [ 71.232403][ T25] ? hub_disconnect+0x520/0x520 [ 71.237471][ T25] hub_event+0x2e62/0x4f30 [ 71.242165][ T25] ? hub_port_debounce+0x3d0/0x3d0 [ 71.247336][ T25] ? lock_sync+0x190/0x190 [ 71.252077][ T25] ? reacquire_held_locks+0x4b0/0x4b0 [ 71.257691][ T25] ? do_raw_spin_lock+0x12e/0x2b0 [ 71.262821][ T25] ? spin_bug+0x1d0/0x1d0 [ 71.267295][ T25] process_one_work+0xaa2/0x16f0 [ 71.272535][ T25] ? hcd_died_work+0x60/0x60 [ 71.277383][ T25] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 71.282941][ T25] ? spin_bug+0x1d0/0x1d0 [ 71.287303][ T25] worker_thread+0x687/0x1110 [ 71.292226][ T25] ? __kthread_parkme+0x152/0x220 [ 71.297286][ T25] ? process_one_work+0x16f0/0x16f0 [ 71.303689][ T25] kthread+0x33a/0x430 [ 71.308112][ T25] ? kthread_complete_and_exit+0x40/0x40 [ 71.314184][ T25] ret_from_fork+0x2c/0x70 [ 71.318651][ T25] ? kthread_complete_and_exit+0x40/0x40 [ 71.324598][ T25] ret_from_fork_asm+0x11/0x20 [ 71.329490][ T25] [ 71.332663][ T25] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 71.340313][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 6.5.0-rc6-syzkaller-00158-g895ed7eb263d #0 [ 71.350204][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 71.360876][ T25] Workqueue: usb_hub_wq hub_event [ 71.365938][ T25] Call Trace: [ 71.369211][ T25] [ 71.372134][ T25] dump_stack_lvl+0xd9/0x1b0 [ 71.376928][ T25] panic+0x6a4/0x750 [ 71.380833][ T25] ? panic_smp_self_stop+0xa0/0xa0 [ 71.386456][ T25] ? show_trace_log_lvl+0x29d/0x3c0 [ 71.391876][ T25] ? media_create_pad_link+0x4e7/0x630 [ 71.397437][ T25] check_panic_on_warn+0xab/0xb0 [ 71.402569][ T25] __warn+0xf2/0x380 [ 71.406472][ T25] ? media_create_pad_link+0x4e7/0x630 [ 71.411937][ T25] report_bug+0x3bc/0x580 [ 71.416543][ T25] handle_bug+0x3c/0x70 [ 71.420903][ T25] exc_invalid_op+0x17/0x40 [ 71.425781][ T25] asm_exc_invalid_op+0x1a/0x20 [ 71.430637][ T25] RIP: 0010:media_create_pad_link+0x4e7/0x630 [ 71.436764][ T25] Code: db e8 fd 77 da fc 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e7 77 da fc 0f 0b bb ea ff ff ff eb dc e8 d9 77 da fc <0f> 0b eb f0 e8 d0 77 da fc 0f 0b eb e7 e8 c7 77 da fc 0f 0b eb de [ 71.457093][ T25] RSP: 0018:ffffc900001b6fc0 EFLAGS: 00010293 [ 71.463531][ T25] RAX: 0000000000000000 RBX: ffff8881147ee880 RCX: 0000000000000000 [ 71.471807][ T25] RDX: ffff888104a51d00 RSI: ffffffff8471d3e7 RDI: 0000000000000002 [ 71.480486][ T25] RBP: ffff8881147ec080 R08: 0000000000000002 R09: 0000000000000000 [ 71.488641][ T25] R10: 0000000000000000 R11: ffffffff8ae44130 R12: 0000000000000000 [ 71.496627][ T25] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.506018][ T25] ? media_create_pad_link+0x4e7/0x630 [ 71.511834][ T25] uvc_mc_register_entities+0x3a0/0xa90 [ 71.517515][ T25] uvc_probe+0x271a/0x4770 [ 71.522382][ T25] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 71.528471][ T25] usb_probe_interface+0x307/0x930 [ 71.533954][ T25] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 71.539620][ T25] really_probe+0x234/0xc90 [ 71.544228][ T25] __driver_probe_device+0x1de/0x4b0 [ 71.549716][ T25] driver_probe_device+0x4c/0x1a0 [ 71.555191][ T25] __device_attach_driver+0x1d4/0x300 [ 71.560594][ T25] ? driver_probe_device+0x1a0/0x1a0 [ 71.566009][ T25] bus_for_each_drv+0x157/0x1d0 [ 71.570868][ T25] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.575908][ T25] ? lockdep_hardirqs_on+0x7d/0x100 [ 71.581119][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 71.587016][ T25] __device_attach+0x1e8/0x4b0 [ 71.591975][ T25] ? device_driver_attach+0x200/0x200 [ 71.597818][ T25] ? do_raw_spin_unlock+0x173/0x230 [ 71.603214][ T25] bus_probe_device+0x17c/0x1c0 [ 71.608258][ T25] device_add+0x11f1/0x1b40 [ 71.612783][ T25] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 71.620473][ T25] ? mark_held_locks+0x9f/0xe0 [ 71.625400][ T25] usb_set_configuration+0x10cb/0x1c40 [ 71.632120][ T25] usb_generic_driver_probe+0xca/0x130 [ 71.637847][ T25] usb_probe_device+0xda/0x2c0 [ 71.642704][ T25] ? usb_driver_release_interface+0x190/0x190 [ 71.648779][ T25] really_probe+0x234/0xc90 [ 71.653291][ T25] __driver_probe_device+0x1de/0x4b0 [ 71.658673][ T25] ? usb_driver_applicable+0x1c4/0x220 [ 71.664134][ T25] driver_probe_device+0x4c/0x1a0 [ 71.669422][ T25] __device_attach_driver+0x1d4/0x300 [ 71.675252][ T25] ? driver_probe_device+0x1a0/0x1a0 [ 71.680724][ T25] bus_for_each_drv+0x157/0x1d0 [ 71.686416][ T25] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.691556][ T25] ? lockdep_hardirqs_on+0x7d/0x100 [ 71.696956][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 71.702869][ T25] __device_attach+0x1e8/0x4b0 [ 71.707910][ T25] ? device_driver_attach+0x200/0x200 [ 71.713296][ T25] ? do_raw_spin_unlock+0x173/0x230 [ 71.718584][ T25] bus_probe_device+0x17c/0x1c0 [ 71.723869][ T25] device_add+0x11f1/0x1b40 [ 71.728633][ T25] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 71.736178][ T25] ? usb_detect_static_quirks+0x335/0x3e0 [ 71.741932][ T25] usb_new_device+0xd80/0x1960 [ 71.746698][ T25] ? hub_disconnect+0x520/0x520 [ 71.751556][ T25] hub_event+0x2e62/0x4f30 [ 71.755991][ T25] ? hub_port_debounce+0x3d0/0x3d0 [ 71.761278][ T25] ? lock_sync+0x190/0x190 [ 71.765887][ T25] ? reacquire_held_locks+0x4b0/0x4b0 [ 71.771572][ T25] ? do_raw_spin_lock+0x12e/0x2b0 [ 71.776633][ T25] ? spin_bug+0x1d0/0x1d0 [ 71.781783][ T25] process_one_work+0xaa2/0x16f0 [ 71.786829][ T25] ? hcd_died_work+0x60/0x60 [ 71.792489][ T25] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 71.797879][ T25] ? spin_bug+0x1d0/0x1d0 [ 71.802214][ T25] worker_thread+0x687/0x1110 [ 71.808348][ T25] ? __kthread_parkme+0x152/0x220 [ 71.813540][ T25] ? process_one_work+0x16f0/0x16f0 [ 71.819029][ T25] kthread+0x33a/0x430 [ 71.823222][ T25] ? kthread_complete_and_exit+0x40/0x40 [ 71.829051][ T25] ret_from_fork+0x2c/0x70 [ 71.833483][ T25] ? kthread_complete_and_exit+0x40/0x40 [ 71.839126][ T25] ret_from_fork_asm+0x11/0x20 [ 71.843897][ T25] [ 71.847201][ T25] Kernel Offset: disabled [ 71.851591][ T25] Rebooting in 86400 seconds..