Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts. [+] usb thread created successfully. [+] open /dev/raw-gadget successful. [+] Found UDC: dummy_udc.2 [+] USB_RAW_IOCTL_INIT successful. [+] USB_RAW_IOCTL_RUN successful. [ 106.736391][ T187] usb 3-1: new high-speed USB device number 2 using dummy_hcd [+] Device configured successfully. [+] USB device found successfully: 3-1:1.0 [ 106.898373][ T187] usb 3-1: New USB device found, idVendor=1b71, idProduct=3002, bcdDevice= 1.00 [ 106.910489][ T187] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [+] Video node found successfully: /dev/video103 [+] open unbind successful. [+] open bind successful. [+] querycap threads created successfully. [+] Starting race loop... [ 107.229866][ T187] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 107.426853][ T5870] videodev: could not get a free minor [ 107.447455][ T5870] usbtv 3-1:1.0: Could not register video device [ 107.466217][ T5870] usbtv 3-1:1.0: probe with driver usbtv failed with error -23 [ 107.928400][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 108.328402][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 108.753894][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 109.095284][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 109.460254][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 109.873099][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 110.217947][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 110.542116][ T5870] usbtv 3-1:1.0: Fushicai USBTV007 Audio-Video Grabber [ 110.782652][ T5878] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000a: 0000 [#1] SMP KASAN PTI [ 110.790096][ T5870] videodev: could not get a free minor [ 110.794658][ T5878] KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057] [ 110.794692][ T5878] CPU: 1 UID: 0 PID: 5878 Comm: syz-executor121 Not tainted syzkaller #0 PREEMPT(full) [ 110.802519][ T5870] usbtv 3-1:1.0: Could not register video device [ 110.808515][ T5878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 110.808529][ T5878] RIP: 0010:usbtv_querycap+0x9c/0x100 [ 110.808573][ T5878] Code: d9 f9 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 42 3b d9 f9 4d 8b 36 4d 8d 7e 50 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 25 3b d9 f9 48 83 c3 30 4d 8b 3f [ 110.808585][ T5878] RSP: 0018:ffffc90003757b10 EFLAGS: 00010206 [ 110.808605][ T5878] RAX: 000000000000000a RBX: ffffc90003757d60 RCX: 0000000074627375 [ 110.820196][ T5870] usbtv 3-1:1.0: probe with driver usbtv failed with error -23 [ 110.824709][ T5878] RDX: 0000000000000006 RSI: ffffffff8cd143a0 RDI: ffffc90003757d70 [ 110.824724][ T5878] RBP: 1ffff920006eafb6 R08: 0000000000767462 R09: 1ffff920006eafae [ 110.897651][ T5878] R10: dffffc0000000000 R11: fffff520006eafaf R12: dffffc0000000000 [ 110.905641][ T5878] R13: ffff888035e170d8 R14: 0000000000000000 R15: 0000000000000050 [ 110.913872][ T5878] FS: 00007f7ef67fc6c0(0000) GS:ffff888125049000(0000) knlGS:0000000000000000 [ 110.922802][ T5878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.929459][ T5878] CR2: 000055c7f8b42d51 CR3: 0000000071dc6000 CR4: 00000000003526f0 [ 110.937446][ T5878] Call Trace: [ 110.940724][ T5878] [ 110.943786][ T5878] v4l_querycap+0x236/0x470 [ 110.948302][ T5878] __video_do_ioctl+0x8af/0xc70 [ 110.953237][ T5878] ? __pfx___video_do_ioctl+0x10/0x10 [ 110.958599][ T5878] ? do_vfs_ioctl+0x116f/0x1530 [ 110.963436][ T5878] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 110.968537][ T5878] video_usercopy+0x860/0x1430 [ 110.973293][ T5878] ? __pfx___video_do_ioctl+0x10/0x10 [ 110.978653][ T5878] ? __pfx_video_usercopy+0x10/0x10 [ 110.983843][ T5878] ? __fget_files+0x2a/0x420 [ 110.988421][ T5878] ? __fget_files+0x2a/0x420 [ 110.993007][ T5878] ? __fget_files+0x3a2/0x420 [ 110.997677][ T5878] v4l2_ioctl+0x18d/0x1e0 [ 111.002097][ T5878] ? __pfx_v4l2_ioctl+0x10/0x10 [ 111.006935][ T5878] __se_sys_ioctl+0xfc/0x170 [ 111.011538][ T5878] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.017595][ T5878] do_syscall_64+0x174/0x580 [ 111.022177][ T5878] ? clear_bhb_loop+0x70/0xc0 [ 111.026841][ T5878] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.032926][ T5878] RIP: 0033:0x7f7efcf7300b [ 111.037347][ T5878] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 111.057290][ T5878] RSP: 002b:00007f7ef67fc120 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 111.065722][ T5878] RAX: ffffffffffffffda RBX: 0000000080685600 RCX: 00007f7efcf7300b [ 111.073950][ T5878] RDX: 00007f7ef67fc190 RSI: 0000000080685600 RDI: 0000000000000006 [ 111.082003][ T5878] RBP: 0000000000000021 R08: 0000000000000002 R09: 0000000000000000 [ 111.089961][ T5878] R10: 00007f7efcfe37e0 R11: 0000000000000246 R12: ffffffffffffffd0 [ 111.098095][ T5878] R13: 0000000000000000 R14: 00007ffc6b9d1890 R15: 00007ffc6b9d1978 [ 111.106147][ T5878] [ 111.109176][ T5878] Modules linked in: [ 111.113380][ T5878] ---[ end trace 0000000000000000 ]--- [ 111.164050][ T5870] videodev: could not get a free minor [ 111.175946][ T5870] usbtv 3-1:1.0: Could not register video device [ 111.188184][ T5870] usbtv 3-1:1.0: probe with driver usbtv failed with error -23 [ 111.280158][ T5870] videodev: could not get a free minor [ 111.293375][ T5870] usbtv 3-1:1.0: Could not register video device [ 111.301729][ T5870] usbtv 3-1:1.0: probe with driver usbtv failed with error -23 [ 111.378090][ T5870] videodev: could not get a free minor [ 111.392729][ T5870] usbtv 3-1:1.0: Could not register video device [ 111.399598][ T5870] usbtv 3-1:1.0: probe with driver usbtv failed with error -23 [ 111.445609][ T5870] videodev: could not get a free minor [ 111.465964][ T5878] RIP: 0010:usbtv_querycap+0x9c/0x100 [ 111.466193][ T5870] usbtv 3-1:1.0: Could not register video device [ 111.471393][ T5878] Code: d9 f9 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 42 3b d9 f9 4d 8b 36 4d 8d 7e 50 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 25 3b d9 f9 48 83 c3 30 4d 8b 3f [ 111.471409][ T5878] RSP: 0018:ffffc90003757b10 EFLAGS: 00010206 [ 111.471427][ T5878] RAX: 000000000000000a RBX: ffffc90003757d60 RCX: 0000000074627375 [ 111.471440][ T5878] RDX: 0000000000000006 RSI: ffffffff8cd143a0 RDI: ffffc90003757d70 [ 111.471452][ T5878] RBP: 1ffff920006eafb6 R08: 0000000000767462 R09: 1ffff920006eafae [ 111.471465][ T5878] R10: dffffc0000000000 R11: fffff520006eafaf R12: dffffc0000000000 [ 111.471478][ T5878] R13: ffff888035e170d8 R14: 0000000000000000 R15: 0000000000000050 [ 111.471490][ T5878] FS: 00007f7ef67fc6c0(0000) GS:ffff888125049000(0000) knlGS:0000000000000000 [ 111.471505][ T5878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.471516][ T5878] CR2: 000055c7f8b42d51 CR3: 0000000071dc6000 CR4: 00000000003526f0 [ 111.471533][ T5878] Kernel panic - not syncing: Fatal exception [ 111.471852][ T5878] Kernel Offset: disabled