[ 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 '10.128.0.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.893689][ T55] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.133586][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 44.263648][ T55] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice= 1.dc [ 44.273285][ T55] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.282170][ T55] usb 1-1: config 0 descriptor?? [ 44.335314][ T55] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 44.344996][ T55] dvb-usb: bulk message failed: -22 (2/0) [ 44.350705][ T55] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 44.383586][ T55] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 44.393741][ T55] usb 1-1: media controller created [ 44.399135][ T55] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 44.408470][ T55] usb 1-1: DVB: registering adapter 0 frontend 0 (WideView USB DVB-T)... [ 44.417246][ T55] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 44.563518][ T55] rc_core: IR keymap rc-dtt200u not found [ 44.569260][ T55] Registered IR keymap rc-empty [ 44.574277][ T55] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 44.587779][ T55] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input5 [ 44.613858][ T55] dvb-usb: schedule remote query interval to 300 msecs. [ 44.620821][ T55] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 44.655099][ T55] usb 1-1: USB disconnect, device number 2 [ 44.676967][ T55] dvb-usb: WideView WT-220U PenType Receiver (base successfully deinitialized and disconnected. executing program [ 49.892535][ T55] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 50.132530][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 50.262588][ T55] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice= 1.dc [ 50.271926][ T55] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.280665][ T55] usb 1-1: config 0 descriptor?? [ 50.333086][ T55] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 50.342937][ T55] dvb-usb: bulk message failed: -22 (2/0) [ 50.348784][ T55] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 50.372583][ T55] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 50.382716][ T55] usb 1-1: media controller created [ 50.388231][ T55] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 50.397537][ T55] usb 1-1: DVB: registering adapter 0 frontend 0 (WideView USB DVB-T)... [ 50.406445][ T55] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 50.502492][ T55] rc_core: IR keymap rc-dtt200u not found [ 50.508279][ T55] Registered IR keymap rc-empty [ 50.513572][ T55] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 50.527710][ T55] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input6 [ 50.549976][ T55] dvb-usb: schedule remote query interval to 300 msecs. [ 50.557329][ T55] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 50.583091][ T55] usb 1-1: USB disconnect, device number 3 [ 50.601160][ T55] dvb-usb: WideView WT-220U PenType Receiver (base successfully deinitialized and disconnected. [ 51.535158][ T8481] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 57.540643][ T8481] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810a6e5d00 (size 128): comm "kworker/1:1", pid 55, jiffies 4294941706 (age 13.180s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00 ........V....... 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... backtrace: [<000000007ba78137>] dvb_create_media_graph+0x301/0x7d0 [<00000000310375e7>] dvb_usb_adapter_frontend_init+0x180/0x1b0 [<00000000f59fca98>] dvb_usb_device_init.cold+0x4d0/0x6ae [<000000005b5e1081>] dtt200u_usb_probe+0xc0/0x110 [<00000000ef15267e>] usb_probe_interface+0x177/0x370 [<00000000a95945ae>] really_probe+0x159/0x480 [<0000000031573652>] driver_probe_device+0x84/0x100 [<00000000e4da3eef>] __device_attach_driver+0xee/0x110 [<00000000ea496739>] bus_for_each_drv+0xb7/0x100 [<00000000eb2fd74a>] __device_attach+0x122/0x250 [<00000000a158bbfd>] bus_probe_device+0xc6/0xe0 [<000000003c9ec457>] device_add+0x5ac/0xc30 [<00000000c6b526fd>] usb_set_configuration+0x9de/0xb90 [<000000004d4f05d2>] usb_generic_driver_probe+0x8c/0xc0 [<000000009bca5682>] usb_probe_device+0x5c/0x140 [<00000000a95945ae>] really_probe+0x159/0x480 BUG: memory leak unreferenced object 0xffff88810a6e5d80 (size 128): comm "kworker/1:1", pid 55, jiffies 4294942305 (age 7.190s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00 ........V....... 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... backtrace: [<000000007ba78137>] dvb_create_media_graph+0x301/0x7d0 [<00000000310375e7>] dvb_usb_adapter_frontend_init+0x180/0x1b0 [<00000000f59fca98>] dvb_usb_device_init.cold+0x4d0/0x6ae [<000000005b5e1081>] dtt200u_usb_probe+0xc0/0x110 [<00000000ef15267e>] usb_probe_interface+0x177/0x370 [<00000000a95945ae>] really_probe+0x159/0x480 [<0000000031573652>] driver_probe_device+0x84/0x100 [<00000000e4da3eef>] __device_attach_driver+0xee/0x110 [<00000000ea496739>] bus_for_each_drv+0xb7/0x100 [<00000000eb2fd74a>] __device_attach+0x122/0x250 [<00000000a158bbfd>] bus_probe_device+0xc6/0xe0 [<000000003c9ec457>] device_add+0x5ac/0xc30 [<00000000c6b526fd>] usb_set_configuration+0x9de/0xb90 [<000000004d4f05d2>] usb_generic_driver_probe+0x8c/0xc0 [<000000009bca5682>] usb_probe_device+0x5c/0x140 [<00000000a95945ae>] really_probe+0x159/0x480