[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.879808][ T4596] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 71.119783][ T4596] usb 1-1: Using ep0 maxpacket: 32 [ 71.399847][ T4596] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0038, bcdDevice=97.54 [ 71.409094][ T4596] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 71.417387][ T4596] usb 1-1: Product: syz [ 71.421669][ T4596] usb 1-1: Manufacturer: syz [ 71.426243][ T4596] usb 1-1: SerialNumber: syz [ 71.431606][ T4596] usb 1-1: config 0 descriptor?? [ 71.470647][ T4596] dvb-usb: found a 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' in warm state. [ 71.480195][ T4596] dvb-usb: bulk message failed: -22 (2/0) [ 71.486044][ T4596] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [ 71.509855][ T4596] dvbdev: DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver) [ 71.519609][ T4596] usb 1-1: media controller created [ 71.529139][ T4596] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 71.540549][ T4596] dvb-usb: bulk message failed: -22 (1/0) [ 71.546477][ T4596] dvb-usb: no frontend was attached by 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' [ 71.590035][ T4596] input: IR-receiver inside an USB DVB receiver as /devices/platform/dummy_hcd.0/usb1/1-1/input/input5 [ 71.606570][ T4596] dvb-usb: schedule remote query interval to 50 msecs. [ 71.615350][ T4596] dvb-usb: bulk message failed: -22 (2/0) [ 71.621310][ T4596] dvb-usb: TerraTec/qanu USB2.0 Highspeed DVB-T Receiver successfully initialized and connected. [ 71.669761][ T4596] dvb-usb: bulk message failed: -22 (1/0) [ 71.675878][ T4596] dvb-usb: error while querying for an remote control event. [ 71.679737][ T7] usb 1-1: USB disconnect, device number 2 [ 71.721955][ T7] dvb-usb: TerraTec/qanu USB2.0 Highspeed DVB-T Re successfully deinitialized and disconnected. executing program [ 77.209423][ T4596] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 77.449447][ T4596] usb 1-1: Using ep0 maxpacket: 32 [ 77.749469][ T4596] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0038, bcdDevice=97.54 [ 77.759605][ T4596] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 77.768160][ T4596] usb 1-1: Product: syz [ 77.772909][ T4596] usb 1-1: Manufacturer: syz [ 77.777592][ T4596] usb 1-1: SerialNumber: syz [ 77.783266][ T4596] usb 1-1: config 0 descriptor?? [ 77.820169][ T4596] dvb-usb: found a 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' in warm state. [ 77.829626][ T4596] dvb-usb: bulk message failed: -22 (2/0) [ 77.835441][ T4596] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [ 77.859565][ T4596] dvbdev: DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver) [ 77.869722][ T4596] usb 1-1: media controller created [ 77.876983][ T4596] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 77.890294][ T4596] dvb-usb: bulk message failed: -22 (1/0) [ 77.896485][ T4596] dvb-usb: no frontend was attached by 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' [ 77.949905][ T4596] input: IR-receiver inside an USB DVB receiver as /devices/platform/dummy_hcd.0/usb1/1-1/input/input6 [ 77.966580][ T4596] dvb-usb: schedule remote query interval to 50 msecs. [ 77.974286][ T4596] dvb-usb: bulk message failed: -22 (2/0) [ 77.980380][ T4596] dvb-usb: TerraTec/qanu USB2.0 Highspeed DVB-T Receiver successfully initialized and connected. [ 78.020138][ T4596] usb 1-1: USB disconnect, device number 3 [ 78.060073][ T4596] dvb-usb: TerraTec/qanu USB2.0 Highspeed DVB-T Re successfully deinitialized and disconnected. [ 79.088749][ T8465] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810d504800 (size 2048): comm "kworker/1:2", pid 4596, jiffies 4294944408 (age 13.800s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 54 65 72 72 61 54 65 63 ........TerraTec 2f 71 61 6e 75 20 55 53 42 32 2e 30 20 48 69 67 /qanu USB2.0 Hig backtrace: [<000000003e0ea172>] cinergyt2_fe_attach+0x21/0x80 [<00000000064bf401>] cinergyt2_frontend_attach+0x21/0x70 [<00000000c84c2c2f>] dvb_usb_adapter_frontend_init+0x11b/0x1b0 [<00000000bcec6709>] dvb_usb_device_init.cold+0x4d0/0x6ae [<000000006441bef3>] usb_probe_interface+0x177/0x370 [<000000009238f77d>] really_probe+0x159/0x480 [<00000000c36a1565>] driver_probe_device+0x84/0x100 [<0000000052d99b58>] __device_attach_driver+0xee/0x110 [<00000000bd52dd5c>] bus_for_each_drv+0xb7/0x100 [<00000000a97b9f8c>] __device_attach+0x122/0x250 [<000000008c7818cf>] bus_probe_device+0xc6/0xe0 [<00000000cbef5c5f>] device_add+0x5be/0xc30 [<00000000dbbe8ebb>] usb_set_configuration+0x9d9/0xb90 [<00000000af421b1d>] usb_generic_driver_probe+0x8c/0xc0 [<000000006ba12d47>] usb_probe_device+0x5c/0x140 [<000000009238f77d>] really_probe+0x159/0x480