INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.183307][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 46.273317][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 46.393702][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 46.563237][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 46.572297][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 46.580310][ T94] usb 1-1: Product: syz [ 46.584471][ T94] usb 1-1: Manufacturer: syz [ 46.589041][ T94] usb 1-1: SerialNumber: syz [ 46.595267][ T94] usb 1-1: config 0 descriptor?? [ 46.634687][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 46.643940][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 46.883221][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 47.103341][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 47.111560][ T94] em28xx 1-1:0.0: board has no eeprom [ 47.223672][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 47.231854][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 47.240194][ T94] usb 1-1: USB disconnect, device number 2 [ 47.249347][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 47.255133][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 47.268912][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 47.275929][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 47.282879][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 47.289885][ T78] usb 1-1: Decoder not found [ 47.294492][ T78] em28xx 1-1:0.0: failed to create media graph [ 47.300657][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 47.308252][ T78] em28xx 1-1:0.0: Binding DVB extension [ 47.313866][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 47.321383][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 47.329639][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 47.338164][ T94] em28xx 1-1:0.0: Closing input extension [ 47.345901][ T94] em28xx 1-1:0.0: Freeing device [ 47.703190][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 47.793240][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 47.913706][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 48.083235][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 48.092283][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 48.100285][ T94] usb 1-1: Product: syz [ 48.104458][ T94] usb 1-1: Manufacturer: syz [ 48.109030][ T94] usb 1-1: SerialNumber: syz [ 48.114794][ T94] usb 1-1: config 0 descriptor?? [ 48.154461][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 48.163709][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 48.413233][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 48.633198][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 48.641209][ T94] em28xx 1-1:0.0: board has no eeprom [ 48.753590][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 48.761781][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 48.769492][ T94] usb 1-1: USB disconnect, device number 3 [ 48.775924][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 48.781434][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 48.795420][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 48.802266][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 48.809239][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 48.815448][ T78] usb 1-1: Decoder not found [ 48.820034][ T78] em28xx 1-1:0.0: failed to create media graph [ 48.826245][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 48.833060][ T78] em28xx 1-1:0.0: Binding DVB extension [ 48.838947][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 48.846571][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 48.854845][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 48.863286][ T94] em28xx 1-1:0.0: Closing input extension [ 48.869729][ T94] em28xx 1-1:0.0: Freeing device [ 49.233157][ T94] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 49.323243][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 49.443232][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 49.603259][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 49.612335][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 49.620344][ T94] usb 1-1: Product: syz [ 49.624559][ T94] usb 1-1: Manufacturer: syz [ 49.629138][ T94] usb 1-1: SerialNumber: syz [ 49.635031][ T94] usb 1-1: config 0 descriptor?? [ 49.674509][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 49.683780][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 49.913277][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 50.133192][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 50.141222][ T94] em28xx 1-1:0.0: board has no eeprom [ 50.253690][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 50.261918][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 50.268125][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 50.275525][ T94] usb 1-1: USB disconnect, device number 4 [ 50.281883][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 50.297833][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 50.304755][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 50.311671][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 50.318152][ T78] usb 1-1: Decoder not found [ 50.322751][ T78] em28xx 1-1:0.0: failed to create media graph [ 50.329005][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 50.336097][ T78] em28xx 1-1:0.0: Binding DVB extension [ 50.341641][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 50.349223][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 50.357621][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 50.366075][ T94] em28xx 1-1:0.0: Closing input extension [ 50.372768][ T94] em28xx 1-1:0.0: Freeing device [ 50.723176][ T94] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 50.813228][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 50.933754][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 51.103247][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 51.112305][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 51.120311][ T94] usb 1-1: Product: syz [ 51.124485][ T94] usb 1-1: Manufacturer: syz [ 51.129093][ T94] usb 1-1: SerialNumber: syz [ 51.135100][ T94] usb 1-1: config 0 descriptor?? [ 51.184469][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 51.193780][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 51.423269][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 51.643214][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 51.651217][ T94] em28xx 1-1:0.0: board has no eeprom [ 51.763696][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 51.771891][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 51.778089][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 51.792794][ T94] usb 1-1: USB disconnect, device number 5 [ 51.799240][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 51.804844][ T78] em28xx 1-1:0.0: reading from i2c device at 0xb8 failed (error=-5) [ 51.816763][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 51.823826][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 51.830742][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 51.837358][ T78] usb 1-1: Decoder not found [ 51.841944][ T78] em28xx 1-1:0.0: failed to create media graph [ 51.848150][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 51.855157][ T78] em28xx 1-1:0.0: Binding DVB extension [ 51.860705][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 51.868291][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 51.876549][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 51.885010][ T94] em28xx 1-1:0.0: Closing input extension [ 51.891466][ T94] em28xx 1-1:0.0: Freeing device [ 52.243193][ T94] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 52.333254][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 52.453670][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 52.623221][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 52.632306][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 52.640307][ T94] usb 1-1: Product: syz [ 52.644474][ T94] usb 1-1: Manufacturer: syz [ 52.649043][ T94] usb 1-1: SerialNumber: syz [ 52.654912][ T94] usb 1-1: config 0 descriptor?? [ 52.694404][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 52.703720][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 52.933349][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 53.153202][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 53.161391][ T94] em28xx 1-1:0.0: board has no eeprom [ 53.273694][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 53.281869][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 53.288254][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 53.301520][ T94] usb 1-1: USB disconnect, device number 6 [ 53.307584][ T78] em28xx 1-1:0.0: reading from i2c device at 0xb8 failed (error=-19) [ 53.316216][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 53.325934][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 53.333385][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 53.340316][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 53.346918][ T78] usb 1-1: Decoder not found [ 53.351512][ T78] em28xx 1-1:0.0: failed to create media graph [ 53.357744][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 53.364804][ T78] em28xx 1-1:0.0: Binding DVB extension [ 53.370412][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 53.378016][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 53.386283][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 53.394745][ T94] em28xx 1-1:0.0: Closing input extension [ 53.401296][ T94] em28xx 1-1:0.0: Freeing device [ 53.763209][ T94] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 53.853261][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 53.973666][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 54.143257][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 54.152336][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 54.160341][ T94] usb 1-1: Product: syz [ 54.164511][ T94] usb 1-1: Manufacturer: syz [ 54.169095][ T94] usb 1-1: SerialNumber: syz [ 54.175086][ T94] usb 1-1: config 0 descriptor?? [ 54.214467][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 54.223994][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 54.453351][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 54.673221][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 54.681225][ T94] em28xx 1-1:0.0: board has no eeprom [ 54.793678][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 54.802118][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 54.808350][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 54.815641][ T94] usb 1-1: USB disconnect, device number 7 [ 54.823861][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 54.838536][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 54.845457][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 54.852505][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 54.859015][ T78] usb 1-1: Decoder not found [ 54.863668][ T78] em28xx 1-1:0.0: failed to create media graph [ 54.869955][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 54.877295][ T78] em28xx 1-1:0.0: Binding DVB extension [ 54.882968][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 54.890571][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 54.898877][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 54.907356][ T94] em28xx 1-1:0.0: Closing input extension [ 54.913978][ T94] em28xx 1-1:0.0: Freeing device [ 55.263226][ T94] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 55.353252][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 55.473789][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 55.643274][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 55.652439][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 55.660461][ T94] usb 1-1: Product: syz [ 55.664759][ T94] usb 1-1: Manufacturer: syz [ 55.669338][ T94] usb 1-1: SerialNumber: syz [ 55.675241][ T94] usb 1-1: config 0 descriptor?? [ 55.714536][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 55.723939][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 55.953341][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 56.183229][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 56.191270][ T94] em28xx 1-1:0.0: board has no eeprom [ 56.303708][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 56.312260][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 56.318475][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 56.325900][ T94] usb 1-1: USB disconnect, device number 8 [ 56.332285][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 56.347807][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 56.354842][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 56.361768][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 56.368365][ T78] usb 1-1: Decoder not found [ 56.373071][ T78] em28xx 1-1:0.0: failed to create media graph [ 56.379513][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 56.386572][ T78] em28xx 1-1:0.0: Binding DVB extension [ 56.392134][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 56.399739][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 56.408192][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 56.416677][ T94] em28xx 1-1:0.0: Closing input extension [ 56.423437][ T94] em28xx 1-1:0.0: Freeing device [ 56.783236][ T94] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 56.873255][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 56.993701][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 57.163279][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 57.172331][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 57.180374][ T94] usb 1-1: Product: syz [ 57.184549][ T94] usb 1-1: Manufacturer: syz [ 57.189131][ T94] usb 1-1: SerialNumber: syz [ 57.195010][ T94] usb 1-1: config 0 descriptor?? [ 57.234537][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 57.243989][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 57.473278][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 57.693222][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 57.701377][ T94] em28xx 1-1:0.0: board has no eeprom [ 57.813714][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 57.822022][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 57.828367][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 57.836306][ T94] usb 1-1: USB disconnect, device number 9 [ 57.842806][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 57.858795][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 57.865817][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 57.872739][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 57.879114][ T78] usb 1-1: Decoder not found [ 57.883755][ T78] em28xx 1-1:0.0: failed to create media graph [ 57.889972][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 57.897149][ T78] em28xx 1-1:0.0: Binding DVB extension [ 57.902708][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 57.910544][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 57.919023][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 57.927490][ T94] em28xx 1-1:0.0: Closing input extension [ 57.934193][ T94] em28xx 1-1:0.0: Freeing device [ 58.283214][ T94] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 58.373251][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 58.493669][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 58.663227][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 58.672523][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 58.680548][ T94] usb 1-1: Product: syz [ 58.684727][ T94] usb 1-1: Manufacturer: syz [ 58.689359][ T94] usb 1-1: SerialNumber: syz [ 58.695301][ T94] usb 1-1: config 0 descriptor?? [ 58.734431][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 58.743702][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 58.973294][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 59.203193][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 59.211202][ T94] em28xx 1-1:0.0: board has no eeprom [ 59.323626][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 59.331807][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 59.338024][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 59.345526][ T94] usb 1-1: USB disconnect, device number 10 [ 59.351961][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 59.367376][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 59.374255][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 59.381209][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 59.387581][ T78] usb 1-1: Decoder not found [ 59.392189][ T78] em28xx 1-1:0.0: failed to create media graph [ 59.398407][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 59.405422][ T78] em28xx 1-1:0.0: Binding DVB extension [ 59.410971][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 59.418564][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 59.426961][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 59.435433][ T94] em28xx 1-1:0.0: Closing input extension [ 59.442067][ T94] em28xx 1-1:0.0: Freeing device [ 59.793196][ T94] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 59.883220][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 60.003663][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 60.173219][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 60.182293][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 60.190285][ T94] usb 1-1: Product: syz [ 60.194461][ T94] usb 1-1: Manufacturer: syz [ 60.199037][ T94] usb 1-1: SerialNumber: syz [ 60.204775][ T94] usb 1-1: config 0 descriptor?? [ 60.254383][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 60.263648][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 60.493242][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 60.713190][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 60.721189][ T94] em28xx 1-1:0.0: board has no eeprom [ 60.833587][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 60.841819][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 60.848050][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 60.855458][ T94] usb 1-1: USB disconnect, device number 11 [ 60.861891][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 60.877393][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 60.884259][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 60.891169][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 60.897566][ T78] usb 1-1: Decoder not found [ 60.902149][ T78] em28xx 1-1:0.0: failed to create media graph [ 60.908354][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 60.915516][ T78] em28xx 1-1:0.0: Binding DVB extension [ 60.921053][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 60.928635][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 60.937050][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 60.945501][ T94] em28xx 1-1:0.0: Closing input extension [ 60.951895][ T94] em28xx 1-1:0.0: Freeing device [ 61.303276][ T94] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 61.393211][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 61.513197][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 61.673286][ T94] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 61.682385][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 61.690435][ T94] usb 1-1: Product: syz [ 61.694648][ T94] usb 1-1: Manufacturer: syz [ 61.699225][ T94] usb 1-1: SerialNumber: syz [ 61.705124][ T94] usb 1-1: config 0 descriptor?? [ 61.744566][ T94] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 61.753857][ T94] em28xx 1-1:0.0: Video interface 0 found: executing program [ 61.983265][ T94] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 62.213189][ T94] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 62.221188][ T94] em28xx 1-1:0.0: board has no eeprom [ 62.333617][ T94] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 62.341798][ T94] em28xx 1-1:0.0: analog set to bulk mode. [ 62.348000][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 62.355437][ T94] usb 1-1: USB disconnect, device number 12 [ 62.368884][ T78] em28xx 1-1:0.0: reading from i2c device at 0xb8 failed (error=-19) [ 62.377356][ T94] em28xx 1-1:0.0: Disconnecting em28xx [ 62.386607][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 62.393523][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 62.401736][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 62.408416][ T78] usb 1-1: Decoder not found [ 62.413018][ T78] em28xx 1-1:0.0: failed to create media graph [ 62.419342][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 62.426405][ T78] em28xx 1-1:0.0: Binding DVB extension [ 62.426542][ T1877] ================================================================== [ 62.431960][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 62.440064][ T1877] BUG: KASAN: use-after-free in v4l2_fh_init+0x279/0x2c0 [ 62.440075][ T1877] Read of size 8 at addr ffff8881cc630870 by task v4l_id/1877 [ 62.440078][ T1877] [ 62.440091][ T1877] CPU: 0 PID: 1877 Comm: v4l_id Not tainted 5.6.0-rc3-syzkaller #0 [ 62.440097][ T1877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.440101][ T1877] Call Trace: [ 62.440114][ T1877] dump_stack+0xef/0x16e [ 62.440129][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 62.447669][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 62.454772][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 62.454789][ T1877] print_address_description.constprop.0.cold+0xd3/0x314 [ 62.454801][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 62.454818][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 62.462390][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 62.464692][ T1877] __kasan_report.cold+0x37/0x77 [ 62.464704][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 62.464716][ T1877] kasan_report+0xe/0x20 [ 62.464726][ T1877] v4l2_fh_init+0x279/0x2c0 [ 62.464736][ T1877] v4l2_fh_open+0x88/0xc0 [ 62.464756][ T1877] em28xx_v4l2_open+0x11a/0x570 [ 62.473013][ T94] em28xx 1-1:0.0: Closing input extension [ 62.482650][ T1877] v4l2_open+0x20f/0x3d0 [ 62.482663][ T1877] ? v4l2_release+0x390/0x390 [ 62.482677][ T1877] chrdev_open+0x219/0x5c0 [ 62.482705][ T1877] ? cdev_put.part.0+0x50/0x50 [ 62.583520][ T1877] do_dentry_open+0x494/0x1120 [ 62.588265][ T1877] ? cdev_put.part.0+0x50/0x50 [ 62.593006][ T1877] ? chmod_common+0x3c0/0x3c0 [ 62.597661][ T1877] ? inode_permission+0xbe/0x3a0 [ 62.602575][ T1877] path_openat+0x1222/0x32a0 [ 62.607143][ T1877] ? path_mountpoint.isra.0+0x370/0x370 [ 62.612662][ T1877] ? __lock_acquire+0x145e/0x3b60 [ 62.617666][ T1877] do_filp_open+0x192/0x260 [ 62.622150][ T1877] ? may_open_dev+0xf0/0xf0 [ 62.626643][ T1877] ? __alloc_fd+0x46d/0x600 [ 62.631176][ T1877] ? do_raw_spin_lock+0x129/0x290 [ 62.636221][ T1877] ? _raw_spin_unlock+0x1a/0x30 [ 62.641090][ T1877] ? __alloc_fd+0x46d/0x600 [ 62.645569][ T1877] do_sys_openat2+0x54c/0x740 [ 62.650225][ T1877] ? file_open_root+0x3d0/0x3d0 [ 62.655187][ T1877] ? up_read+0x1ab/0x750 [ 62.659412][ T1877] do_sys_open+0xc3/0x140 [ 62.663720][ T1877] ? filp_open+0x70/0x70 [ 62.667945][ T1877] ? trace_hardirqs_off_caller+0x55/0x200 [ 62.673646][ T1877] do_syscall_64+0xb6/0x5a0 [ 62.678142][ T1877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.684012][ T1877] RIP: 0033:0x7f856721f120 [ 62.688407][ T1877] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 62.707989][ T1877] RSP: 002b:00007ffce2a6ef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 62.716377][ T1877] RAX: ffffffffffffffda RBX: 00007ffce2a6f0f8 RCX: 00007f856721f120 [ 62.724327][ T1877] RDX: 00007f85674d4138 RSI: 0000000000000000 RDI: 00007ffce2a6ff1f [ 62.732289][ T1877] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 62.740235][ T1877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 62.748179][ T1877] R13: 00007ffce2a6f0f0 R14: 0000000000000000 R15: 0000000000000000 [ 62.756134][ T1877] [ 62.758558][ T1877] Allocated by task 78: [ 62.762694][ T1877] save_stack+0x1b/0x80 [ 62.766831][ T1877] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 62.772439][ T1877] em28xx_v4l2_init.cold+0x93/0x33eb [ 62.777720][ T1877] em28xx_init_extension+0x12f/0x1f0 [ 62.783020][ T1877] request_module_async+0x5d/0x70 [ 62.788064][ T1877] process_one_work+0x94b/0x1620 [ 62.792976][ T1877] worker_thread+0x96/0xe20 [ 62.797475][ T1877] kthread+0x318/0x420 [ 62.801533][ T1877] ret_from_fork+0x24/0x30 [ 62.805967][ T1877] [ 62.808311][ T1877] Freed by task 78: [ 62.812101][ T1877] save_stack+0x1b/0x80 [ 62.816648][ T1877] __kasan_slab_free+0x117/0x160 [ 62.821559][ T1877] kfree+0xd5/0x300 [ 62.825354][ T1877] em28xx_v4l2_init.cold+0x2d4/0x33eb [ 62.830713][ T1877] em28xx_init_extension+0x12f/0x1f0 [ 62.836012][ T1877] request_module_async+0x5d/0x70 [ 62.841045][ T1877] process_one_work+0x94b/0x1620 [ 62.846069][ T1877] worker_thread+0x96/0xe20 [ 62.850550][ T1877] kthread+0x318/0x420 [ 62.854599][ T1877] ret_from_fork+0x24/0x30 [ 62.859025][ T1877] [ 62.861355][ T1877] The buggy address belongs to the object at ffff8881cc630000 [ 62.861355][ T1877] which belongs to the cache kmalloc-8k of size 8192 [ 62.875384][ T1877] The buggy address is located 2160 bytes inside of [ 62.875384][ T1877] 8192-byte region [ffff8881cc630000, ffff8881cc632000) [ 62.888801][ T1877] The buggy address belongs to the page: [ 62.894414][ T1877] page:ffffea0007318c00 refcount:1 mapcount:0 mapping:ffff8881da00c500 index:0x0 compound_mapcount: 0 [ 62.905324][ T1877] flags: 0x200000000010200(slab|head) [ 62.910681][ T1877] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c500 [ 62.919289][ T1877] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 62.927859][ T1877] page dumped because: kasan: bad access detected [ 62.934245][ T1877] [ 62.936600][ T1877] Memory state around the buggy address: [ 62.942210][ T1877] ffff8881cc630700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.950258][ T1877] ffff8881cc630780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.958307][ T1877] >ffff8881cc630800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.966439][ T1877] ^ [ 62.974172][ T1877] ffff8881cc630880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.982221][ T1877] ffff8881cc630900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.990305][ T1877] ================================================================== [ 62.998384][ T1877] Disabling lock debugging due to kernel taint [ 63.004763][ T1877] Kernel panic - not syncing: panic_on_warn set ... [ 63.011347][ T1877] CPU: 0 PID: 1877 Comm: v4l_id Tainted: G B 5.6.0-rc3-syzkaller #0 [ 63.020599][ T1877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.030633][ T1877] Call Trace: [ 63.033914][ T1877] dump_stack+0xef/0x16e [ 63.038148][ T1877] panic+0x2aa/0x6e1 [ 63.042033][ T1877] ? add_taint.cold+0x16/0x16 [ 63.046687][ T1877] ? retint_kernel+0x10/0x10 [ 63.051274][ T1877] ? trace_hardirqs_on+0x55/0x200 [ 63.056281][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 63.060932][ T1877] end_report+0x43/0x49 [ 63.065061][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 63.069719][ T1877] __kasan_report.cold+0x55/0x77 [ 63.074650][ T1877] ? v4l2_fh_init+0x279/0x2c0 [ 63.079305][ T1877] kasan_report+0xe/0x20 [ 63.083524][ T1877] v4l2_fh_init+0x279/0x2c0 [ 63.088001][ T1877] v4l2_fh_open+0x88/0xc0 [ 63.092309][ T1877] em28xx_v4l2_open+0x11a/0x570 [ 63.097150][ T1877] v4l2_open+0x20f/0x3d0 [ 63.101372][ T1877] ? v4l2_release+0x390/0x390 [ 63.106044][ T1877] chrdev_open+0x219/0x5c0 [ 63.110438][ T1877] ? cdev_put.part.0+0x50/0x50 [ 63.115221][ T1877] do_dentry_open+0x494/0x1120 [ 63.120005][ T1877] ? cdev_put.part.0+0x50/0x50 [ 63.124750][ T1877] ? chmod_common+0x3c0/0x3c0 [ 63.129404][ T1877] ? inode_permission+0xbe/0x3a0 [ 63.134321][ T1877] path_openat+0x1222/0x32a0 [ 63.138978][ T1877] ? path_mountpoint.isra.0+0x370/0x370 [ 63.144499][ T1877] ? __lock_acquire+0x145e/0x3b60 [ 63.149499][ T1877] do_filp_open+0x192/0x260 [ 63.154050][ T1877] ? may_open_dev+0xf0/0xf0 [ 63.158536][ T1877] ? __alloc_fd+0x46d/0x600 [ 63.163017][ T1877] ? do_raw_spin_lock+0x129/0x290 [ 63.168162][ T1877] ? _raw_spin_unlock+0x1a/0x30 [ 63.172994][ T1877] ? __alloc_fd+0x46d/0x600 [ 63.177503][ T1877] do_sys_openat2+0x54c/0x740 [ 63.182156][ T1877] ? file_open_root+0x3d0/0x3d0 [ 63.187020][ T1877] ? up_read+0x1ab/0x750 [ 63.191266][ T1877] do_sys_open+0xc3/0x140 [ 63.195572][ T1877] ? filp_open+0x70/0x70 [ 63.199811][ T1877] ? trace_hardirqs_off_caller+0x55/0x200 [ 63.205509][ T1877] do_syscall_64+0xb6/0x5a0 [ 63.210008][ T1877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.215878][ T1877] RIP: 0033:0x7f856721f120 [ 63.220276][ T1877] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 63.239897][ T1877] RSP: 002b:00007ffce2a6ef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 63.248296][ T1877] RAX: ffffffffffffffda RBX: 00007ffce2a6f0f8 RCX: 00007f856721f120 [ 63.256248][ T1877] RDX: 00007f85674d4138 RSI: 0000000000000000 RDI: 00007ffce2a6ff1f [ 63.264200][ T1877] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 63.272155][ T1877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 63.280105][ T1877] R13: 00007ffce2a6f0f0 R14: 0000000000000000 R15: 0000000000000000 [ 63.288766][ T1877] Kernel Offset: disabled [ 63.293091][ T1877] Rebooting in 86400 seconds..