T9] usb 2-1: USB disconnect, device number 28
[  160.932634][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  161.065507][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  161.072863][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  161.081006][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  161.088837][ T5921] usb 3-1: Decoder not found
[  161.093470][ T5921] em28xx 3-1:0.132: failed to create media graph
[  161.100082][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  161.108346][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  161.117221][ T1172] em28xx 4-1:0.132: Registering V4L2 extension
[  161.246391][ T1172] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  161.253875][ T1172] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  161.262069][ T1172] em28xx 4-1:0.132: No AC97 audio processor
[  161.271154][ T1172] usb 4-1: Decoder not found
[  161.275962][ T1172] em28xx 4-1:0.132: failed to create media graph
[  161.282445][ T1172] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  161.294263][ T1172] em28xx 4-1:0.132: Remote control support is not available for this card.
[  161.303088][ T1224] em28xx 1-1:0.132: Closing input extension
[  161.309599][   T10] em28xx 2-1:0.132: Registering V4L2 extension
[  161.319288][ T1224] em28xx 1-1:0.132: Freeing device
[  161.445640][   T10] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  161.452885][   T10] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  161.461258][   T10] em28xx 2-1:0.132: No AC97 audio processor
[  161.476734][   T10] usb 2-1: Decoder not found
[  161.481445][   T10] em28xx 2-1:0.132: failed to create media graph
[  161.488018][   T10] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  161.496420][   T10] em28xx 2-1:0.132: Remote control support is not available for this card.
[  161.505194][ T6044] em28xx 3-1:0.132: Closing input extension
[  161.511859][ T6029] em28xx 4-1:0.132: Closing input extension
[  161.519338][    T9] em28xx 2-1:0.132: Closing input extension
[  161.526887][ T6044] em28xx 3-1:0.132: Freeing device
[  161.542966][ T6029] em28xx 4-1:0.132: Freeing device
[  161.552306][    T9] em28xx 2-1:0.132: Freeing device
[  161.625776][ T1224] usb 1-1: new high-speed USB device number 34 using dummy_hcd
[  161.796568][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  161.806017][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  161.815018][ T1224] usb 1-1: config 0 has no interface number 0
[  161.821169][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  161.837712][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  161.847307][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  161.855916][ T1224] usb 1-1: Product: syz
[  161.860153][ T1224] usb 1-1: Manufacturer: syz
[  161.864138][ T6044] usb 3-1: new high-speed USB device number 30 using dummy_hcd
[  161.864921][ T1224] usb 1-1: SerialNumber: syz
[  161.882121][ T1224] usb 1-1: config 0 descriptor??
[  161.891665][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  161.894085][    T9] usb 2-1: new high-speed USB device number 29 using dummy_hcd
[  161.906397][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  161.910562][ T6029] usb 4-1: new high-speed USB device number 29 using dummy_hcd
[  162.023824][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  162.031298][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  162.040555][ T6044] usb 3-1: config 0 has no interface number 0
[  162.047321][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  162.060262][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  162.069487][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  162.078842][    T9] usb 2-1: Using ep0 maxpacket: 32
[  162.084193][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  162.089427][ T6044] usb 3-1: Product: syz
[  162.094384][ T6044] usb 3-1: Manufacturer: syz
[  162.100117][ T6044] usb 3-1: SerialNumber: syz
[  162.106191][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  162.114522][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  162.122787][ T6029] usb 4-1: config 0 has no interface number 0
[  162.129058][    T9] usb 2-1: config 0 has no interface number 0
[  162.137468][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  162.148904][ T6044] usb 3-1: config 0 descriptor??
[  162.154303][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  162.164702][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  162.175787][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  162.187854][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  162.195277][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  162.204818][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  162.214704][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  162.222789][    T9] usb 2-1: Product: syz
[  162.227099][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  162.235236][ T6029] usb 4-1: Product: syz
[  162.239450][ T6029] usb 4-1: Manufacturer: syz
[  162.244394][    T9] usb 2-1: Manufacturer: syz
[  162.249144][    T9] usb 2-1: SerialNumber: syz
[  162.253862][ T6029] usb 4-1: SerialNumber: syz
[  162.259762][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  162.269162][ T1224] em28xx 1-1:0.132: board has no eeprom
[  162.271865][    T9] usb 2-1: config 0 descriptor??
[  162.281736][ T6029] usb 4-1: config 0 descriptor??
[  162.298802][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  162.308821][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  162.317002][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  162.327150][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  162.333787][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  162.341928][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  162.350507][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  162.365546][ T1224] usb 1-1: USB disconnect, device number 34
[  162.403841][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  162.447326][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  162.508901][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  162.517139][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  162.525837][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  162.529789][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  162.541923][ T6044] em28xx 3-1:0.132: board has no eeprom
[  162.542844][ T6037] usb 1-1: Decoder not found
[  162.550181][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  162.552552][ T6037] em28xx 1-1:0.132: failed to create media graph
[  162.560255][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  162.572376][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  162.580830][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  162.591630][ T1224] em28xx 1-1:0.132: Closing input extension
[  162.601046][ T1224] em28xx 1-1:0.132: Freeing device
[  162.623888][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  162.632046][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  162.645817][ T1172] em28xx 3-1:0.132: Registering V4L2 extension
[  162.657946][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  162.667264][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  162.686886][ T6044] usb 3-1: USB disconnect, device number 30
[  162.696838][    T9] em28xx 2-1:0.132: board has no eeprom
[  162.702850][ T6029] em28xx 4-1:0.132: board has no eeprom
[  162.714631][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  162.773773][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  162.782219][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  162.802809][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  162.810985][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  162.836355][ T6029] usb 4-1: USB disconnect, device number 29
[  162.844458][    T9] usb 2-1: USB disconnect, device number 29
[  162.855430][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  162.869230][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  162.910353][ T1172] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  162.923843][ T1172] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  162.933900][ T1172] em28xx 3-1:0.132: No AC97 audio processor
[  162.954589][ T1172] usb 3-1: Decoder not found
[  162.959260][ T1172] em28xx 3-1:0.132: failed to create media graph
[  162.969937][ T1172] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  162.978531][ T1172] em28xx 3-1:0.132: Remote control support is not available for this card.
[  162.987467][   T10] em28xx 2-1:0.132: Registering V4L2 extension
[  163.074178][ T1224] usb 1-1: new high-speed USB device number 35 using dummy_hcd
[  163.124861][   T10] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  163.131940][   T10] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  163.140030][   T10] em28xx 2-1:0.132: No AC97 audio processor
[  163.148103][   T10] usb 2-1: Decoder not found
[  163.152741][   T10] em28xx 2-1:0.132: failed to create media graph
[  163.161784][   T10] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  163.170564][   T10] em28xx 2-1:0.132: Remote control support is not available for this card.
[  163.179268][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  163.233821][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  163.241397][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  163.250155][ T1224] usb 1-1: config 0 has no interface number 0
[  163.257555][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  163.270983][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  163.283033][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  163.291359][ T1224] usb 1-1: Product: syz
[  163.296008][ T1224] usb 1-1: Manufacturer: syz
[  163.300648][ T1224] usb 1-1: SerialNumber: syz
[  163.310696][ T1224] usb 1-1: config 0 descriptor??
[  163.327921][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  163.332072][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  163.339482][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  163.347154][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  163.359442][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  163.368162][ T5921] usb 4-1: Decoder not found
[  163.372833][ T5921] em28xx 4-1:0.132: failed to create media graph
[  163.382204][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  163.390742][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  163.399575][ T6044] em28xx 3-1:0.132: Closing input extension
[  163.406821][    T9] em28xx 2-1:0.132: Closing input extension
[  163.415230][ T6029] em28xx 4-1:0.132: Closing input extension
[  163.425059][ T6044] em28xx 3-1:0.132: Freeing device
[  163.435658][    T9] em28xx 2-1:0.132: Freeing device
[  163.457454][ T6029] em28xx 4-1:0.132: Freeing device
[  163.594855][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  163.691921][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  163.703026][ T1224] em28xx 1-1:0.132: board has no eeprom
[  163.734351][ T6044] usb 3-1: new high-speed USB device number 31 using dummy_hcd
[  163.742178][    T9] usb 2-1: new high-speed USB device number 30 using dummy_hcd
[  163.774827][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  163.782870][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  163.789018][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  163.794194][ T6029] usb 4-1: new high-speed USB device number 30 using dummy_hcd
[  163.810998][ T1224] usb 1-1: USB disconnect, device number 35
[  163.826407][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  163.901670][    T9] usb 2-1: Using ep0 maxpacket: 32
[  163.907925][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  163.916511][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  163.920073][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  163.929546][    T9] usb 2-1: config 0 has no interface number 0
[  163.939193][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  163.942054][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  163.951459][ T6044] usb 3-1: config 0 has no interface number 0
[  163.961530][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  163.971610][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  163.972673][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  163.976862][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  163.990147][ T6037] usb 1-1: Decoder not found
[  163.998701][ T6037] em28xx 1-1:0.132: failed to create media graph
[  164.006528][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  164.009499][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  164.019905][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  164.024855][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  164.038744][ T1224] em28xx 1-1:0.132: Closing input extension
[  164.049853][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  164.058203][ T1224] em28xx 1-1:0.132: Freeing device
[  164.059803][ T6029] usb 4-1: config 0 has no interface number 0
[  164.069773][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  164.080395][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  164.088888][    T9] usb 2-1: Product: syz
2026/02/10 05:45:40 executed programs: 130
[  164.093258][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  164.103317][    T9] usb 2-1: Manufacturer: syz
[  164.108165][ T6044] usb 3-1: Product: syz
[  164.112376][ T6044] usb 3-1: Manufacturer: syz
[  164.117100][    T9] usb 2-1: SerialNumber: syz
[  164.123922][ T6044] usb 3-1: SerialNumber: syz
[  164.131847][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  164.141148][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  164.155504][    T9] usb 2-1: config 0 descriptor??
[  164.162816][ T6029] usb 4-1: Product: syz
[  164.172561][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  164.182560][ T6029] usb 4-1: Manufacturer: syz
[  164.193495][ T6044] usb 3-1: config 0 descriptor??
[  164.202879][ T6029] usb 4-1: SerialNumber: syz
[  164.211488][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  164.221629][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  164.244210][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  164.262264][ T6029] usb 4-1: config 0 descriptor??
[  164.281119][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  164.291263][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  164.414156][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  164.464287][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  164.483868][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  164.492775][    T9] em28xx 2-1:0.132: board has no eeprom
[  164.504182][ T1224] usb 1-1: new high-speed USB device number 36 using dummy_hcd
[  164.527796][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  164.538366][ T6044] em28xx 3-1:0.132: board has no eeprom
[  164.544240][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  164.554556][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  164.562406][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  164.568576][   T10] em28xx 2-1:0.132: Registering V4L2 extension
[  164.584658][    T9] usb 2-1: USB disconnect, device number 30
[  164.592123][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  164.603796][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  164.611683][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  164.622535][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  164.632570][ T6029] em28xx 4-1:0.132: board has no eeprom
[  164.646847][ T6044] usb 3-1: USB disconnect, device number 31
[  164.664042][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  164.664846][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  164.675827][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  164.695577][ T1224] usb 1-1: config 0 has no interface number 0
[  164.701856][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  164.715099][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  164.724179][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  164.735671][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  164.746104][ T6029] usb 4-1: USB disconnect, device number 30
[  164.753612][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  164.754204][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  164.784619][ T1224] usb 1-1: Product: syz
[  164.788846][ T1224] usb 1-1: Manufacturer: syz
[  164.793503][ T1224] usb 1-1: SerialNumber: syz
[  164.801821][ T1224] usb 1-1: config 0 descriptor??
[  164.813277][   T10] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  164.821066][   T10] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  164.829604][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  164.839649][   T10] em28xx 2-1:0.132: No AC97 audio processor
[  164.840339][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  164.854849][   T10] usb 2-1: Decoder not found
[  164.859504][   T10] em28xx 2-1:0.132: failed to create media graph
[  164.867475][   T10] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  164.879557][   T10] em28xx 2-1:0.132: Remote control support is not available for this card.
[  164.900538][ T5921] em28xx 3-1:0.132: Registering V4L2 extension
[  165.066468][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  165.083398][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  165.090863][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  165.098140][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  165.105901][ T5921] usb 3-1: Decoder not found
[  165.110643][ T5921] em28xx 3-1:0.132: failed to create media graph
[  165.121811][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  165.130648][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  165.139760][ T6063] em28xx 4-1:0.132: Registering V4L2 extension
[  165.145214][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  165.159134][ T1224] em28xx 1-1:0.132: board has no eeprom
[  165.233776][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  165.241679][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  165.255514][ T6063] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  165.262632][ T6063] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  165.270498][ T6063] em28xx 4-1:0.132: No AC97 audio processor
[  165.279834][ T1224] usb 1-1: USB disconnect, device number 36
[  165.285586][ T6063] usb 4-1: Decoder not found
[  165.293024][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  165.299481][ T6063] em28xx 4-1:0.132: failed to create media graph
[  165.306435][ T6063] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  165.317547][ T6063] em28xx 4-1:0.132: Remote control support is not available for this card.
[  165.326623][    T9] em28xx 2-1:0.132: Closing input extension
[  165.332648][ T6044] em28xx 3-1:0.132: Closing input extension
[  165.339533][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  165.351930][ T6044] em28xx 3-1:0.132: Freeing device
[  165.360257][    T9] em28xx 2-1:0.132: Freeing device
[  165.500661][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  165.508136][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  165.541558][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  165.562373][ T6037] usb 1-1: Decoder not found
[  165.577426][ T6037] em28xx 1-1:0.132: failed to create media graph
[  165.584259][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  165.596789][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  165.608018][ T6029] em28xx 4-1:0.132: Closing input extension
[  165.624604][ T1224] em28xx 1-1:0.132: Closing input extension
[  165.638266][ T6029] em28xx 4-1:0.132: Freeing device
[  165.658580][ T1224] em28xx 1-1:0.132: Freeing device
[  165.683759][    T9] usb 2-1: new high-speed USB device number 31 using dummy_hcd
[  165.692088][ T6044] usb 3-1: new high-speed USB device number 32 using dummy_hcd
[  165.853872][    T9] usb 2-1: Using ep0 maxpacket: 32
[  165.859818][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  165.869569][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  165.878164][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  165.886486][ T6044] usb 3-1: config 0 has no interface number 0
[  165.892702][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  165.902730][    T9] usb 2-1: config 0 has no interface number 0
[  165.911429][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  165.925100][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  165.935329][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  165.944486][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  165.952515][    T9] usb 2-1: Product: syz
[  165.956837][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  165.964903][ T6044] usb 3-1: Product: syz
[  165.970418][ T6044] usb 3-1: Manufacturer: syz
[  165.975173][    T9] usb 2-1: Manufacturer: syz
[  165.979817][    T9] usb 2-1: SerialNumber: syz
[  165.984497][ T6044] usb 3-1: SerialNumber: syz
[  165.992638][    T9] usb 2-1: config 0 descriptor??
[  165.997791][ T6029] usb 4-1: new high-speed USB device number 31 using dummy_hcd
[  165.998912][ T1224] usb 1-1: new high-speed USB device number 37 using dummy_hcd
[  166.007677][ T6044] usb 3-1: config 0 descriptor??
[  166.025922][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  166.036471][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  166.047798][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  166.057860][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  166.163789][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  166.170797][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  166.180869][ T1224] usb 1-1: config 0 has no interface number 0
[  166.187290][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  166.193959][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  166.203611][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  166.210874][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  166.214002][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  166.230160][ T6029] usb 4-1: config 0 has no interface number 0
[  166.236884][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  166.243206][ T1224] usb 1-1: Product: syz
[  166.251254][ T1224] usb 1-1: Manufacturer: syz
[  166.256037][ T1224] usb 1-1: SerialNumber: syz
[  166.270008][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  166.281109][ T1224] usb 1-1: config 0 descriptor??
[  166.288016][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  166.299821][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  166.306553][ T6029] usb 4-1: Product: syz
[  166.313414][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  166.314979][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  166.326527][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  166.333540][ T6029] usb 4-1: Manufacturer: syz
[  166.338786][ T6029] usb 4-1: SerialNumber: syz
[  166.347066][ T6029] usb 4-1: config 0 descriptor??
[  166.358906][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  166.368842][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  166.389030][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  166.403981][ T6044] em28xx 3-1:0.132: board has no eeprom
[  166.411360][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  166.420301][    T9] em28xx 2-1:0.132: board has no eeprom
[  166.483767][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  166.492052][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  166.498417][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  166.508320][ T5921] em28xx 3-1:0.132: Registering V4L2 extension
[  166.515771][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  166.526204][ T6044] usb 3-1: USB disconnect, device number 32
[  166.545048][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  166.552998][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  166.564176][    T9] usb 2-1: USB disconnect, device number 31
[  166.572639][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  166.617844][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  166.624660][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  166.627424][ T1224] em28xx 1-1:0.132: board has no eeprom
[  166.671589][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  166.682058][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  166.691015][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  166.700146][ T5921] usb 3-1: Decoder not found
[  166.703913][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  166.711665][ T5921] em28xx 3-1:0.132: failed to create media graph
[  166.712173][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  166.720052][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  166.735944][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  166.743307][ T6029] em28xx 4-1:0.132: board has no eeprom
[  166.753237][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  166.761278][ T1224] usb 1-1: USB disconnect, device number 37
[  166.771059][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  166.806422][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  166.824584][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  166.834179][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  166.874332][ T6029] usb 4-1: USB disconnect, device number 31
[  166.881818][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  166.960007][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  166.967269][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  166.974536][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  166.981777][ T6063] usb 2-1: Decoder not found
[  166.986563][ T6063] em28xx 2-1:0.132: failed to create media graph
[  166.993796][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  167.002501][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  167.011636][ T5970] em28xx 1-1:0.132: Registering V4L2 extension
[  167.151169][ T5970] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  167.158619][ T5970] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  167.166608][ T5970] em28xx 1-1:0.132: No AC97 audio processor
[  167.175192][ T5970] usb 1-1: Decoder not found
[  167.180009][ T5970] em28xx 1-1:0.132: failed to create media graph
[  167.187230][ T5970] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  167.195667][ T5970] em28xx 1-1:0.132: Remote control support is not available for this card.
[  167.205488][ T6044] em28xx 3-1:0.132: Closing input extension
[  167.215103][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  167.227349][ T6044] em28xx 3-1:0.132: Freeing device
[  167.358179][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  167.368192][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  167.377127][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  167.384485][ T5921] usb 4-1: Decoder not found
[  167.389130][ T5921] em28xx 4-1:0.132: failed to create media graph
[  167.395816][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  167.405768][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  167.414536][    T9] em28xx 2-1:0.132: Closing input extension
[  167.420672][ T1224] em28xx 1-1:0.132: Closing input extension
[  167.427682][ T6029] em28xx 4-1:0.132: Closing input extension
[  167.435201][    T9] em28xx 2-1:0.132: Freeing device
[  167.441984][ T1224] em28xx 1-1:0.132: Freeing device
[  167.465455][ T6029] em28xx 4-1:0.132: Freeing device
[  167.543802][ T6044] usb 3-1: new high-speed USB device number 33 using dummy_hcd
[  167.704532][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  167.713513][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  167.724290][ T6044] usb 3-1: config 0 has no interface number 0
[  167.730542][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  167.742837][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  167.752437][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  167.760686][ T6044] usb 3-1: Product: syz
[  167.765749][    T9] usb 2-1: new high-speed USB device number 32 using dummy_hcd
[  167.773501][ T6044] usb 3-1: Manufacturer: syz
[  167.778648][ T6044] usb 3-1: SerialNumber: syz
[  167.783999][ T6029] usb 4-1: new high-speed USB device number 32 using dummy_hcd
[  167.786259][ T1224] usb 1-1: new high-speed USB device number 38 using dummy_hcd
[  167.801023][ T6044] usb 3-1: config 0 descriptor??
[  167.811329][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  167.823763][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  167.923822][    T9] usb 2-1: Using ep0 maxpacket: 32
[  167.931299][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  167.939983][    T9] usb 2-1: config 0 has no interface number 0
[  167.946272][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  167.952791][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  167.955913][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  167.968649][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  167.976933][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  167.976962][ T1224] usb 1-1: config 0 has no interface number 0
[  167.977063][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  167.988710][ T6029] usb 4-1: config 0 has no interface number 0
[  168.009978][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  168.013177][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  168.023272][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  168.040288][ T1224] usb 1-1: Product: syz
[  168.043496][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  168.048342][ T1224] usb 1-1: Manufacturer: syz
[  168.052864][    T9] usb 2-1: Product: syz
[  168.052883][    T9] usb 2-1: Manufacturer: syz
[  168.052898][    T9] usb 2-1: SerialNumber: syz
[  168.054967][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  168.082235][ T1224] usb 1-1: SerialNumber: syz
[  168.090557][    T9] usb 2-1: config 0 descriptor??
[  168.096209][ T1224] usb 1-1: config 0 descriptor??
[  168.104263][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  168.105241][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  168.123908][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  168.142305][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  168.152962][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  168.159819][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  168.169620][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  168.178121][ T6029] usb 4-1: Product: syz
[  168.182347][ T6029] usb 4-1: Manufacturer: syz
[  168.189736][ T6029] usb 4-1: SerialNumber: syz
[  168.196154][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  168.207050][ T6044] em28xx 3-1:0.132: board has no eeprom
[  168.214548][ T6029] usb 4-1: config 0 descriptor??
[  168.229242][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  168.245700][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  168.273941][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  168.281932][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  168.288243][ T6052] em28xx 3-1:0.132: Registering V4L2 extension
[  168.320230][ T6044] usb 3-1: USB disconnect, device number 33
[  168.345371][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  168.356089][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  168.388012][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  168.418424][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  168.430152][ T1224] em28xx 1-1:0.132: board has no eeprom
[  168.451780][ T6052] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  168.461130][ T6052] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  168.470587][ T6052] em28xx 3-1:0.132: No AC97 audio processor
[  168.476793][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  168.488663][    T9] em28xx 2-1:0.132: board has no eeprom
[  168.494250][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  168.494279][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  168.508519][ T6052] usb 3-1: Decoder not found
[  168.511022][ T1224] usb 1-1: USB disconnect, device number 38
[  168.513159][ T6052] em28xx 3-1:0.132: failed to create media graph
[  168.513193][ T6052] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  168.514091][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  168.542423][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  168.552357][ T6052] em28xx 3-1:0.132: Remote control support is not available for this card.
[  168.561289][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  168.615142][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  168.623036][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  168.635713][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  168.649567][ T6029] em28xx 4-1:0.132: board has no eeprom
[  168.673554][    T9] usb 2-1: USB disconnect, device number 32
[  168.692357][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  168.713895][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  168.722284][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  168.737886][ T6029] usb 4-1: USB disconnect, device number 32
[  168.752746][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  168.760040][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  168.767416][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  168.777615][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  168.785248][ T6037] usb 1-1: Decoder not found
[  168.789903][ T6037] em28xx 1-1:0.132: failed to create media graph
[  168.796966][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  168.805341][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  168.814551][ T6044] em28xx 3-1:0.132: Closing input extension
[  168.833409][ T6052] em28xx 2-1:0.132: Registering V4L2 extension
[  168.854781][ T6044] em28xx 3-1:0.132: Freeing device
[  169.030066][ T6052] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  169.042407][ T6052] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  169.053088][ T6052] em28xx 2-1:0.132: No AC97 audio processor
[  169.063169][ T6052] usb 2-1: Decoder not found
[  169.068016][ T6052] em28xx 2-1:0.132: failed to create media graph
[  169.074947][ T6052] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  169.083087][ T6052] em28xx 2-1:0.132: Remote control support is not available for this card.
[  169.091991][ T6063] em28xx 4-1:0.132: Registering V4L2 extension
[  169.181924][ T6063] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  169.189268][ T6044] usb 3-1: new high-speed USB device number 34 using dummy_hcd
[  169.197193][ T6063] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  169.204961][ T6063] em28xx 4-1:0.132: No AC97 audio processor
[  169.218250][ T6063] usb 4-1: Decoder not found
[  169.223107][ T6063] em28xx 4-1:0.132: failed to create media graph
[  169.229600][ T6063] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  169.237838][ T6063] em28xx 4-1:0.132: Remote control support is not available for this card.
[  169.247885][ T6029] em28xx 4-1:0.132: Closing input extension
[  169.254313][ T1224] em28xx 1-1:0.132: Closing input extension
[  169.260713][    T9] em28xx 2-1:0.132: Closing input extension
[  169.268721][ T6029] em28xx 4-1:0.132: Freeing device
[  169.279087][ T1224] em28xx 1-1:0.132: Freeing device
[  169.302310][    T9] em28xx 2-1:0.132: Freeing device
[  169.376308][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  169.383536][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  169.392429][ T6044] usb 3-1: config 0 has no interface number 0
[  169.399511][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  169.412601][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  169.422226][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  169.430949][ T6044] usb 3-1: Product: syz
[  169.436569][ T6044] usb 3-1: Manufacturer: syz
[  169.441309][ T6044] usb 3-1: SerialNumber: syz
[  169.452697][ T6044] usb 3-1: config 0 descriptor??
[  169.469855][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  169.482412][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  169.603823][ T1224] usb 1-1: new high-speed USB device number 39 using dummy_hcd
[  169.607743][ T6029] usb 4-1: new high-speed USB device number 33 using dummy_hcd
[  169.633812][    T9] usb 2-1: new high-speed USB device number 33 using dummy_hcd
[  169.725692][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  169.773808][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  169.780907][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  169.784053][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  169.790469][ T6029] usb 4-1: config 0 has no interface number 0
[  169.800666][    T9] usb 2-1: Using ep0 maxpacket: 32
[  169.803854][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  169.811909][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  169.821619][ T1224] usb 1-1: config 0 has no interface number 0
[  169.829881][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  169.831971][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  169.845409][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  169.857758][ T6044] em28xx 3-1:0.132: board has no eeprom
[  169.858039][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  169.867581][    T9] usb 2-1: config 0 has no interface number 0
[  169.878585][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  169.884486][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  169.890459][ T1224] usb 1-1: Product: syz
[  169.902203][ T1224] usb 1-1: Manufacturer: syz
[  169.907278][ T1224] usb 1-1: SerialNumber: syz
[  169.912182][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  169.922949][ T1224] usb 1-1: config 0 descriptor??
[  169.923514][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  169.938047][    T9] usb 2-1: Product: syz
[  169.943313][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  169.952551][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  169.952882][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  169.960922][    T9] usb 2-1: Manufacturer: syz
[  169.975205][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  169.980802][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  169.990820][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  169.998097][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  170.012781][ T6029] usb 4-1: Product: syz
[  170.019336][ T6044] usb 3-1: USB disconnect, device number 34
[  170.025486][    T9] usb 2-1: SerialNumber: syz
[  170.031861][ T6029] usb 4-1: Manufacturer: syz
[  170.046988][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  170.052792][ T6029] usb 4-1: SerialNumber: syz
[  170.058652][    T9] usb 2-1: config 0 descriptor??
[  170.082949][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  170.095446][ T6029] usb 4-1: config 0 descriptor??
[  170.111510][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  170.122754][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  170.130172][ T6029] em28xx 4-1:0.132: Video interface 132 found:
2026/02/10 05:45:46 executed programs: 143
[  170.222910][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  170.255815][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  170.263050][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  170.272081][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  170.280510][ T6063] usb 3-1: Decoder not found
[  170.288141][ T6063] em28xx 3-1:0.132: failed to create media graph
[  170.294686][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  170.307283][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  170.310557][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  170.329159][ T1224] em28xx 1-1:0.132: board has no eeprom
[  170.333254][ T6044] em28xx 3-1:0.132: Closing input extension
[  170.341326][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  170.352072][ T6044] em28xx 3-1:0.132: Freeing device
[  170.366181][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  170.395182][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  170.403588][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  170.411102][   T24] em28xx 1-1:0.132: Registering V4L2 extension
[  170.424572][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  170.432446][ T1224] usb 1-1: USB disconnect, device number 39
[  170.445710][    T9] em28xx 2-1:0.132: board has no eeprom
[  170.453459][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  170.463349][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  170.482852][ T6029] em28xx 4-1:0.132: board has no eeprom
[  170.523737][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  170.531630][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  170.546339][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  170.557204][    T9] usb 2-1: USB disconnect, device number 33
[  170.563407][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  170.574767][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  170.583886][ T6029] usb 4-1: USB disconnect, device number 33
[  170.591317][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  170.628997][   T24] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  170.638865][   T24] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  170.646285][   T24] em28xx 1-1:0.132: No AC97 audio processor
[  170.653383][   T24] usb 1-1: Decoder not found
[  170.661056][   T24] em28xx 1-1:0.132: failed to create media graph
[  170.670831][   T24] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  170.682619][   T24] em28xx 1-1:0.132: Remote control support is not available for this card.
[  170.686665][ T6044] usb 3-1: new high-speed USB device number 35 using dummy_hcd
[  170.696857][ T1224] em28xx 1-1:0.132: Closing input extension
[  170.706257][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  170.722906][ T1224] em28xx 1-1:0.132: Freeing device
[  170.884691][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  170.896167][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  170.917349][ T6044] usb 3-1: config 0 has no interface number 0
[  170.927451][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  170.936074][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  170.946337][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  170.955415][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  170.965031][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  170.976126][ T6063] usb 2-1: Decoder not found
[  170.980911][ T6063] em28xx 2-1:0.132: failed to create media graph
[  170.988396][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  170.997563][ T6044] usb 3-1: Product: syz
[  171.002029][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  171.010279][ T6044] usb 3-1: Manufacturer: syz
[  171.015248][ T6044] usb 3-1: SerialNumber: syz
[  171.022682][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  171.032463][ T6044] usb 3-1: config 0 descriptor??
[  171.038431][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  171.049167][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  171.059498][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  171.064952][ T1224] usb 1-1: new high-speed USB device number 40 using dummy_hcd
[  171.179126][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  171.187278][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  171.197475][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  171.208087][ T5921] usb 4-1: Decoder not found
[  171.212922][ T5921] em28xx 4-1:0.132: failed to create media graph
[  171.220055][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  171.229500][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  171.238575][    T9] em28xx 2-1:0.132: Closing input extension
[  171.244361][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  171.251354][ T6029] em28xx 4-1:0.132: Closing input extension
[  171.259582][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  171.271160][    T9] em28xx 2-1:0.132: Freeing device
[  171.276828][ T1224] usb 1-1: config 0 has no interface number 0
[  171.286182][ T6029] em28xx 4-1:0.132: Freeing device
[  171.292593][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  171.305008][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  171.320777][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  171.332319][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  171.341482][ T1224] usb 1-1: Product: syz
[  171.346457][ T1224] usb 1-1: Manufacturer: syz
[  171.351193][ T1224] usb 1-1: SerialNumber: syz
[  171.374741][ T1224] usb 1-1: config 0 descriptor??
[  171.399178][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  171.415510][ T6044] em28xx 3-1:0.132: board has no eeprom
[  171.422949][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  171.435673][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  171.483788][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  171.491965][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  171.505632][ T5921] em28xx 3-1:0.132: Registering V4L2 extension
[  171.536750][ T6044] usb 3-1: USB disconnect, device number 35
[  171.545431][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  171.645074][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  171.663849][ T6029] usb 4-1: new high-speed USB device number 34 using dummy_hcd
[  171.678071][    T9] usb 2-1: new high-speed USB device number 34 using dummy_hcd
[  171.689531][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  171.696889][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  171.705471][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  171.712686][ T5921] usb 3-1: Decoder not found
[  171.717894][ T5921] em28xx 3-1:0.132: failed to create media graph
[  171.724454][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  171.734724][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  171.737230][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  171.747627][ T1224] em28xx 1-1:0.132: board has no eeprom
[  171.753281][ T6044] em28xx 3-1:0.132: Closing input extension
[  171.769979][ T6044] em28xx 3-1:0.132: Freeing device
[  171.833814][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  171.841990][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  171.848280][    T9] usb 2-1: Using ep0 maxpacket: 32
[  171.850928][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  171.857649][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  171.867373][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  171.880208][ T1224] usb 1-1: USB disconnect, device number 40
[  171.884916][    T9] usb 2-1: config 0 has no interface number 0
[  171.904818][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  171.906265][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  171.924360][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  171.943778][ T6029] usb 4-1: config 0 has no interface number 0
[  171.949960][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  171.979057][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  171.993902][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  172.012600][    T9] usb 2-1: Product: syz
[  172.018984][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  172.033740][    T9] usb 2-1: Manufacturer: syz
[  172.038491][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  172.050269][    T9] usb 2-1: SerialNumber: syz
[  172.058373][ T6029] usb 4-1: Product: syz
[  172.069416][    T9] usb 2-1: config 0 descriptor??
[  172.082687][ T6029] usb 4-1: Manufacturer: syz
[  172.090575][ T6029] usb 4-1: SerialNumber: syz
[  172.101150][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  172.111836][ T6044] usb 3-1: new high-speed USB device number 36 using dummy_hcd
[  172.134525][ T6029] usb 4-1: config 0 descriptor??
[  172.142972][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  172.159998][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  172.175826][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  172.201472][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  172.210018][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  172.219353][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  172.230130][ T6037] usb 1-1: Decoder not found
[  172.237316][ T6037] em28xx 1-1:0.132: failed to create media graph
[  172.244137][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  172.252913][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  172.261690][ T1224] em28xx 1-1:0.132: Closing input extension
[  172.272302][ T1224] em28xx 1-1:0.132: Freeing device
[  172.293867][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  172.305661][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  172.314440][ T6044] usb 3-1: config 0 has no interface number 0
[  172.322076][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  172.335867][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  172.347075][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  172.356884][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  172.363932][ T6044] usb 3-1: Product: syz
[  172.370008][ T6044] usb 3-1: Manufacturer: syz
[  172.375336][ T6044] usb 3-1: SerialNumber: syz
[  172.383067][ T6044] usb 3-1: config 0 descriptor??
[  172.404215][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  172.410966][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  172.423092][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  172.434676][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  172.444337][    T9] em28xx 2-1:0.132: board has no eeprom
[  172.478603][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  172.487940][ T6029] em28xx 4-1:0.132: board has no eeprom
[  172.503961][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  172.512081][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  172.518334][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  172.538680][    T9] usb 2-1: USB disconnect, device number 34
[  172.554952][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  172.560747][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  172.569713][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  172.585174][ T6029] usb 4-1: USB disconnect, device number 34
[  172.594148][ T1224] usb 1-1: new high-speed USB device number 41 using dummy_hcd
[  172.603463][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  172.654145][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  172.674954][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  172.682348][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  172.692744][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  172.700753][ T6063] usb 2-1: Decoder not found
[  172.705495][ T6063] em28xx 2-1:0.132: failed to create media graph
[  172.712161][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  172.722095][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  172.733128][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  172.739589][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  172.748721][ T6044] em28xx 3-1:0.132: board has no eeprom
[  172.786647][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  172.794872][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  172.803581][ T1224] usb 1-1: config 0 has no interface number 0
[  172.823776][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  172.826384][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  172.843754][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  172.864014][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  172.874836][ T6044] usb 3-1: USB disconnect, device number 36
[  172.882186][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  172.900290][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  172.918705][ T1224] usb 1-1: Product: syz
[  172.939321][ T1224] usb 1-1: Manufacturer: syz
[  172.945317][ T1224] usb 1-1: SerialNumber: syz
[  172.952849][ T1224] usb 1-1: config 0 descriptor??
[  172.973349][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  172.986012][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  172.986037][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  172.993132][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  173.007206][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  173.016801][ T5921] usb 4-1: Decoder not found
[  173.021576][ T5921] em28xx 4-1:0.132: failed to create media graph
[  173.028441][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  173.038618][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  173.047809][    T9] em28xx 2-1:0.132: Closing input extension
[  173.057236][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  173.068186][    T9] em28xx 2-1:0.132: Freeing device
[  173.224120][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  173.257853][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  173.266625][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  173.274230][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  173.281879][ T6063] usb 3-1: Decoder not found
[  173.286638][ T6063] em28xx 3-1:0.132: failed to create media graph
[  173.293024][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  173.301522][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  173.310300][ T6029] em28xx 4-1:0.132: Closing input extension
[  173.316596][ T6044] em28xx 3-1:0.132: Closing input extension
[  173.317922][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  173.332009][ T1224] em28xx 1-1:0.132: board has no eeprom
[  173.343312][ T6044] em28xx 3-1:0.132: Freeing device
[  173.350274][ T6029] em28xx 4-1:0.132: Freeing device
[  173.393761][    T9] usb 2-1: new high-speed USB device number 35 using dummy_hcd
[  173.394354][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  173.411524][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  173.421411][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  173.440327][ T1224] usb 1-1: USB disconnect, device number 41
[  173.463150][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  173.574700][    T9] usb 2-1: Using ep0 maxpacket: 32
[  173.582802][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  173.604115][    T9] usb 2-1: config 0 has no interface number 0
[  173.610309][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  173.636264][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  173.659421][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  173.668676][    T9] usb 2-1: Product: syz
[  173.672840][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  173.672889][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  173.680788][ T6044] usb 3-1: new high-speed USB device number 37 using dummy_hcd
[  173.695471][ T6029] usb 4-1: new high-speed USB device number 35 using dummy_hcd
[  173.703167][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  173.712236][    T9] usb 2-1: Manufacturer: syz
[  173.717057][    T9] usb 2-1: SerialNumber: syz
[  173.737239][ T6037] usb 1-1: Decoder not found
[  173.742212][ T6037] em28xx 1-1:0.132: failed to create media graph
[  173.749248][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  173.762573][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  173.763283][    T9] usb 2-1: config 0 descriptor??
[  173.780177][ T1224] em28xx 1-1:0.132: Closing input extension
[  173.790818][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  173.808998][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  173.816968][ T1224] em28xx 1-1:0.132: Freeing device
[  173.854571][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  173.861797][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  173.870976][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  173.878964][ T6029] usb 4-1: config 0 has no interface number 0
[  173.886501][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  173.897926][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  173.907161][ T6044] usb 3-1: config 0 has no interface number 0
[  173.913438][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  173.928036][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  173.938501][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  173.947933][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  173.957544][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  173.966190][ T6044] usb 3-1: Product: syz
[  173.970502][ T6044] usb 3-1: Manufacturer: syz
[  173.975274][ T6029] usb 4-1: Product: syz
[  173.981689][ T6029] usb 4-1: Manufacturer: syz
[  173.988168][ T6044] usb 3-1: SerialNumber: syz
[  173.994585][ T6029] usb 4-1: SerialNumber: syz
[  174.011694][ T6044] usb 3-1: config 0 descriptor??
[  174.017055][ T6029] usb 4-1: config 0 descriptor??
[  174.032332][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  174.042288][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  174.053268][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  174.062136][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  174.068961][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  174.126923][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  174.136105][    T9] em28xx 2-1:0.132: board has no eeprom
[  174.143826][ T1224] usb 1-1: new high-speed USB device number 42 using dummy_hcd
[  174.194940][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  174.202851][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  174.210923][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  174.221351][    T9] usb 2-1: USB disconnect, device number 35
[  174.230569][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  174.284276][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  174.290630][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  174.324833][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  174.331939][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  174.340587][ T1224] usb 1-1: config 0 has no interface number 0
[  174.351156][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  174.367946][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  174.375570][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  174.382835][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  174.396651][ T1224] usb 1-1: Product: syz
[  174.397570][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  174.400865][ T1224] usb 1-1: Manufacturer: syz
[  174.400883][ T1224] usb 1-1: SerialNumber: syz
[  174.416042][ T1224] usb 1-1: config 0 descriptor??
[  174.419899][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  174.431649][ T6029] em28xx 4-1:0.132: board has no eeprom
[  174.438623][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  174.438787][ T6044] em28xx 3-1:0.132: board has no eeprom
[  174.454713][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  174.462568][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  174.471591][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  174.486405][ T6063] usb 2-1: Decoder not found
[  174.491126][ T6063] em28xx 2-1:0.132: failed to create media graph
[  174.497983][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  174.513882][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  174.521982][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  174.529093][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  174.538708][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  174.551196][ T1172] em28xx 4-1:0.132: Registering V4L2 extension
[  174.562477][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  174.574258][ T6029] usb 4-1: USB disconnect, device number 35
[  174.581714][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  174.596402][ T6044] usb 3-1: USB disconnect, device number 37
[  174.604724][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  174.685248][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  174.702409][ T1172] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  174.719181][ T1172] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  174.727022][ T1172] em28xx 4-1:0.132: No AC97 audio processor
[  174.735317][ T1172] usb 4-1: Decoder not found
[  174.739951][ T1172] em28xx 4-1:0.132: failed to create media graph
[  174.746610][ T1172] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  174.756626][ T1172] em28xx 4-1:0.132: Remote control support is not available for this card.
[  174.765399][    T9] em28xx 2-1:0.132: Closing input extension
[  174.765398][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  174.765435][ T1224] em28xx 1-1:0.132: board has no eeprom
[  174.771429][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  174.815991][    T9] em28xx 2-1:0.132: Freeing device
[  174.875184][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  174.887343][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  174.935678][ T1224] usb 1-1: USB disconnect, device number 42
[  174.953534][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  175.036736][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  175.046459][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  175.053614][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  175.064925][ T6063] usb 3-1: Decoder not found
[  175.069585][ T6063] em28xx 3-1:0.132: failed to create media graph
[  175.076287][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  175.086513][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  175.095560][ T6029] em28xx 4-1:0.132: Closing input extension
[  175.101718][ T5970] em28xx 1-1:0.132: Registering V4L2 extension
[  175.112846][ T6029] em28xx 4-1:0.132: Freeing device
[  175.143758][    T9] usb 2-1: new high-speed USB device number 36 using dummy_hcd
[  175.277123][ T5970] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  175.284367][ T5970] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  175.293452][ T5970] em28xx 1-1:0.132: No AC97 audio processor
[  175.294105][    T9] usb 2-1: Using ep0 maxpacket: 32
[  175.306625][ T5970] usb 1-1: Decoder not found
[  175.311274][ T5970] em28xx 1-1:0.132: failed to create media graph
[  175.321733][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  175.322611][ T5970] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  175.334389][    T9] usb 2-1: config 0 has no interface number 0
[  175.343801][ T5970] em28xx 1-1:0.132: Remote control support is not available for this card.
[  175.349329][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  175.354229][ T1224] em28xx 1-1:0.132: Closing input extension
[  175.378639][ T6044] em28xx 3-1:0.132: Closing input extension
[  175.386928][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  175.398503][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  175.401396][ T1224] em28xx 1-1:0.132: Freeing device
[  175.411320][    T9] usb 2-1: Product: syz
[  175.417178][    T9] usb 2-1: Manufacturer: syz
[  175.423620][ T6044] em28xx 3-1:0.132: Freeing device
[  175.440348][    T9] usb 2-1: SerialNumber: syz
[  175.445411][ T6029] usb 4-1: new high-speed USB device number 36 using dummy_hcd
[  175.463881][    T9] usb 2-1: config 0 descriptor??
[  175.478466][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  175.490243][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  175.607719][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  175.617045][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  175.627445][ T6029] usb 4-1: config 0 has no interface number 0
[  175.633859][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  175.647703][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  175.657232][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  175.665488][ T6029] usb 4-1: Product: syz
[  175.669958][ T6029] usb 4-1: Manufacturer: syz
[  175.676554][ T6029] usb 4-1: SerialNumber: syz
[  175.688928][ T6029] usb 4-1: config 0 descriptor??
[  175.705994][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  175.718048][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  175.744157][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  175.754060][ T1224] usb 1-1: new high-speed USB device number 43 using dummy_hcd
[  175.763754][ T6044] usb 3-1: new high-speed USB device number 38 using dummy_hcd
[  175.806772][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  175.815708][    T9] em28xx 2-1:0.132: board has no eeprom
[  175.883786][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  175.891840][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  175.898451][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  175.904007][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  175.915966][    T9] usb 2-1: USB disconnect, device number 36
[  175.923743][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  175.926843][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  175.937747][ T1224] usb 1-1: config 0 has no interface number 0
[  175.945781][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  175.955934][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  175.959097][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  175.972001][ T6044] usb 3-1: config 0 has no interface number 0
[  175.974877][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  175.982277][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  175.995860][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  176.004701][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  176.017722][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  176.023991][ T1224] usb 1-1: Product: syz
[  176.028427][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  176.031763][ T1224] usb 1-1: Manufacturer: syz
[  176.040029][ T6044] usb 3-1: Product: syz
[  176.048310][ T6044] usb 3-1: Manufacturer: syz
[  176.053124][ T6044] usb 3-1: SerialNumber: syz
[  176.061821][ T1224] usb 1-1: SerialNumber: syz
[  176.074330][ T6044] usb 3-1: config 0 descriptor??
[  176.084986][ T1224] usb 1-1: config 0 descriptor??
[  176.085913][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  176.105146][ T6029] em28xx 4-1:0.132: board has no eeprom
[  176.117428][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  176.128691][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  176.132402][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  176.146764][ T1224] em28xx 1-1:0.132: Video interface 132 found:
2026/02/10 05:45:52 executed programs: 157
[  176.201548][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  176.235686][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  176.257402][ T6029] usb 4-1: USB disconnect, device number 36
[  176.270483][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  176.287699][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  176.293556][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  176.301562][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  176.318042][ T6063] usb 2-1: Decoder not found
[  176.322790][ T6063] em28xx 2-1:0.132: failed to create media graph
[  176.329401][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  176.337933][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  176.346882][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  176.354954][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  176.374364][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  176.419688][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  176.434907][ T1224] em28xx 1-1:0.132: board has no eeprom
[  176.455105][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  176.476618][ T6044] em28xx 3-1:0.132: board has no eeprom
[  176.496069][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  176.518638][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  176.519038][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  176.532690][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  176.540327][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  176.547546][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  176.548040][ T1224] usb 1-1: USB disconnect, device number 43
[  176.564309][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  176.574919][ T5921] usb 4-1: Decoder not found
[  176.579631][ T5921] em28xx 4-1:0.132: failed to create media graph
[  176.586813][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  176.596348][ T6044] usb 3-1: USB disconnect, device number 38
[  176.603208][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  176.612388][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  176.622810][    T9] em28xx 2-1:0.132: Closing input extension
[  176.629461][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  176.636280][   T24] em28xx 1-1:0.132: Registering V4L2 extension
[  176.648537][    T9] em28xx 2-1:0.132: Freeing device
[  176.780201][   T24] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  176.788615][   T24] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  176.799742][   T24] em28xx 1-1:0.132: No AC97 audio processor
[  176.807206][   T24] usb 1-1: Decoder not found
[  176.811982][   T24] em28xx 1-1:0.132: failed to create media graph
[  176.818489][   T24] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  176.828192][   T24] em28xx 1-1:0.132: Remote control support is not available for this card.
[  176.838843][ T1224] em28xx 1-1:0.132: Closing input extension
[  176.859501][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  176.872412][ T1224] em28xx 1-1:0.132: Freeing device
[  176.954909][    T9] usb 2-1: new high-speed USB device number 37 using dummy_hcd
[  177.014370][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  177.021487][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  177.030075][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  177.038234][ T6063] usb 3-1: Decoder not found
[  177.042855][ T6063] em28xx 3-1:0.132: failed to create media graph
[  177.049959][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  177.063567][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  177.072366][ T6029] em28xx 4-1:0.132: Closing input extension
[  177.078562][ T6044] em28xx 3-1:0.132: Closing input extension
[  177.090065][ T6044] em28xx 3-1:0.132: Freeing device
[  177.096765][ T6029] em28xx 4-1:0.132: Freeing device
[  177.128618][    T9] usb 2-1: Using ep0 maxpacket: 32
[  177.139709][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  177.148203][    T9] usb 2-1: config 0 has no interface number 0
[  177.154660][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  177.167444][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  177.177088][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  177.186309][    T9] usb 2-1: Product: syz
[  177.190515][    T9] usb 2-1: Manufacturer: syz
[  177.196677][    T9] usb 2-1: SerialNumber: syz
[  177.208935][    T9] usb 2-1: config 0 descriptor??
[  177.224270][ T1224] usb 1-1: new high-speed USB device number 44 using dummy_hcd
[  177.231634][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  177.263753][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  177.403782][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  177.414379][ T6044] usb 3-1: new high-speed USB device number 39 using dummy_hcd
[  177.427819][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  177.438802][ T1224] usb 1-1: config 0 has no interface number 0
[  177.446861][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  177.454729][ T6029] usb 4-1: new high-speed USB device number 37 using dummy_hcd
[  177.465658][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  177.484047][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  177.484555][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  177.492120][ T1224] usb 1-1: Product: syz
[  177.492138][ T1224] usb 1-1: Manufacturer: syz
[  177.492154][ T1224] usb 1-1: SerialNumber: syz
[  177.507324][ T1224] usb 1-1: config 0 descriptor??
[  177.536182][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  177.547219][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  177.577661][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  177.586958][    T9] em28xx 2-1:0.132: board has no eeprom
[  177.603744][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  177.611502][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  177.620149][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  177.625513][ T6044] usb 3-1: config 0 has no interface number 0
[  177.631693][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  177.645196][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  177.653602][ T6029] usb 4-1: config 0 has no interface number 0
[  177.659908][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  177.670166][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  177.678331][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  177.684851][ T5921] em28xx 2-1:0.132: Registering V4L2 extension
[  177.692269][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  177.702845][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  177.713816][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  177.723088][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  177.732301][ T6044] usb 3-1: Product: syz
[  177.742228][    T9] usb 2-1: USB disconnect, device number 37
[  177.753842][ T6044] usb 3-1: Manufacturer: syz
[  177.758502][ T6044] usb 3-1: SerialNumber: syz
[  177.767072][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  177.777749][ T6029] usb 4-1: Product: syz
[  177.781979][ T6029] usb 4-1: Manufacturer: syz
[  177.788062][ T6029] usb 4-1: SerialNumber: syz
[  177.794656][ T6044] usb 3-1: config 0 descriptor??
[  177.804280][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  177.814394][ T6029] usb 4-1: config 0 descriptor??
[  177.828980][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  177.840813][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  177.850814][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  177.861933][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  177.880223][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  177.889331][ T1224] em28xx 1-1:0.132: board has no eeprom
[  177.954744][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  177.954764][ T5921] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  177.954787][ T5921] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  177.976733][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  177.988682][ T5921] em28xx 2-1:0.132: No AC97 audio processor
[  177.999272][ T5921] usb 2-1: Decoder not found
[  178.006861][ T5921] em28xx 2-1:0.132: failed to create media graph
[  178.010726][ T1224] usb 1-1: USB disconnect, device number 44
[  178.013390][ T5921] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  178.027915][ T5921] em28xx 2-1:0.132: Remote control support is not available for this card.
[  178.037597][    T9] em28xx 2-1:0.132: Closing input extension
[  178.043560][   T24] em28xx 1-1:0.132: Registering V4L2 extension
[  178.061866][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  178.064902][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  178.085557][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  178.093791][    T9] em28xx 2-1:0.132: Freeing device
[  178.161908][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  178.182043][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  178.194852][ T6029] em28xx 4-1:0.132: board has no eeprom
[  178.200624][ T6044] em28xx 3-1:0.132: board has no eeprom
[  178.250780][   T24] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  178.259249][   T24] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  178.264068][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  178.270603][   T24] em28xx 1-1:0.132: No AC97 audio processor
[  178.276687][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  178.291382][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  178.300387][   T24] usb 1-1: Decoder not found
[  178.313791][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  178.315411][   T24] em28xx 1-1:0.132: failed to create media graph
[  178.334761][ T6029] usb 4-1: USB disconnect, device number 37
[  178.343135][   T24] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  178.361416][ T6044] usb 3-1: USB disconnect, device number 39
[  178.378905][   T24] em28xx 1-1:0.132: Remote control support is not available for this card.
[  178.380848][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  178.396158][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  178.410193][    T9] usb 2-1: new high-speed USB device number 38 using dummy_hcd
[  178.425208][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  178.522919][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  178.530521][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  178.538018][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  178.550149][ T5921] usb 4-1: Decoder not found
[  178.564901][ T5921] em28xx 4-1:0.132: failed to create media graph
[  178.588438][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  178.597525][    T9] usb 2-1: Using ep0 maxpacket: 32
[  178.605828][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  178.617669][ T6029] em28xx 4-1:0.132: Closing input extension
[  178.630693][ T6029] em28xx 4-1:0.132: Freeing device
[  178.633876][ T1224] em28xx 1-1:0.132: Closing input extension
[  178.636977][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  178.650625][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  178.669888][    T9] usb 2-1: config 0 has no interface number 0
[  178.679351][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  178.690530][ T1224] em28xx 1-1:0.132: Freeing device
[  178.705370][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  178.722249][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  178.751547][    T9] usb 2-1: Product: syz
[  178.765619][    T9] usb 2-1: Manufacturer: syz
[  178.783522][    T9] usb 2-1: SerialNumber: syz
[  178.795177][    T9] usb 2-1: config 0 descriptor??
[  178.809437][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  178.819961][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  178.900120][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  178.912537][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  178.920372][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  178.931887][ T6063] usb 3-1: Decoder not found
[  178.937156][ T6063] em28xx 3-1:0.132: failed to create media graph
[  178.944084][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  178.953406][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  178.962810][ T6044] em28xx 3-1:0.132: Closing input extension
[  178.978108][ T6044] em28xx 3-1:0.132: Freeing device
[  178.988010][ T6029] usb 4-1: new high-speed USB device number 38 using dummy_hcd
[  179.033842][ T1224] usb 1-1: new high-speed USB device number 45 using dummy_hcd
[  179.064233][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  179.127168][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  179.136377][    T9] em28xx 2-1:0.132: board has no eeprom
[  179.143864][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  179.151367][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  179.162469][ T6029] usb 4-1: config 0 has no interface number 0
[  179.168728][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  179.183198][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  179.192407][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  179.206906][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  179.214036][ T6029] usb 4-1: Product: syz
[  179.218273][ T6029] usb 4-1: Manufacturer: syz
[  179.223041][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  179.232166][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  179.234198][ T6029] usb 4-1: SerialNumber: syz
[  179.241819][ T1224] usb 1-1: config 0 has no interface number 0
[  179.252832][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  179.254270][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  179.270698][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  179.284233][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  179.291568][ T6029] usb 4-1: config 0 descriptor??
[  179.292899][ T1224] usb 1-1: Product: syz
[  179.302079][ T1224] usb 1-1: Manufacturer: syz
[  179.307474][ T1172] em28xx 2-1:0.132: Registering V4L2 extension
[  179.312016][ T1224] usb 1-1: SerialNumber: syz
[  179.333889][ T6044] usb 3-1: new high-speed USB device number 40 using dummy_hcd
[  179.343173][    T9] usb 2-1: USB disconnect, device number 38
[  179.353990][ T1224] usb 1-1: config 0 descriptor??
[  179.366531][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  179.385184][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  179.386925][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  179.404122][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  179.413784][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  179.523986][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  179.540241][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  179.552650][ T1172] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  179.566934][ T6044] usb 3-1: config 0 has no interface number 0
[  179.573232][ T1172] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  179.580774][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  179.592238][ T1172] em28xx 2-1:0.132: No AC97 audio processor
[  179.600310][ T1172] usb 2-1: Decoder not found
[  179.605600][ T1172] em28xx 2-1:0.132: failed to create media graph
[  179.612244][ T1172] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  179.622386][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  179.632124][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  179.634783][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  179.641437][ T1172] em28xx 2-1:0.132: Remote control support is not available for this card.
[  179.653556][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  179.662317][ T6044] usb 3-1: Product: syz
[  179.666625][ T6044] usb 3-1: Manufacturer: syz
[  179.671357][ T6044] usb 3-1: SerialNumber: syz
[  179.679941][    T9] em28xx 2-1:0.132: Closing input extension
[  179.691957][ T6044] usb 3-1: config 0 descriptor??
[  179.701662][    T9] em28xx 2-1:0.132: Freeing device
[  179.711254][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  179.725038][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  179.733899][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  179.733932][ T6029] em28xx 4-1:0.132: board has no eeprom
[  179.736721][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  179.756703][ T1224] em28xx 1-1:0.132: board has no eeprom
[  179.793838][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  179.801739][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  179.808079][ T1172] em28xx 4-1:0.132: Registering V4L2 extension
[  179.825580][ T6029] usb 4-1: USB disconnect, device number 38
[  179.833498][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  179.839865][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  179.873438][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  179.903791][ T1224] usb 1-1: USB disconnect, device number 45
[  179.927777][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  179.954216][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  180.001625][ T1172] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  180.009317][ T1172] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  180.019011][ T1172] em28xx 4-1:0.132: No AC97 audio processor
[  180.026709][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  180.037659][ T6044] em28xx 3-1:0.132: board has no eeprom
[  180.043991][ T1172] usb 4-1: Decoder not found
[  180.048883][ T1172] em28xx 4-1:0.132: failed to create media graph
[  180.057486][ T1172] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  180.064518][    T9] usb 2-1: new high-speed USB device number 39 using dummy_hcd
[  180.078029][ T1172] em28xx 4-1:0.132: Remote control support is not available for this card.
[  180.086997][ T6029] em28xx 4-1:0.132: Closing input extension
[  180.097052][ T5970] em28xx 1-1:0.132: Registering V4L2 extension
[  180.103790][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  180.103831][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  180.131569][ T6029] em28xx 4-1:0.132: Freeing device
[  180.141486][ T6044] usb 3-1: USB disconnect, device number 40
[  180.170954][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  180.247453][    T9] usb 2-1: Using ep0 maxpacket: 32
[  180.276183][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  180.285084][    T9] usb 2-1: config 0 has no interface number 0
[  180.291245][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  180.307703][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  180.320434][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  180.328767][    T9] usb 2-1: Product: syz
[  180.333076][    T9] usb 2-1: Manufacturer: syz
[  180.338862][    T9] usb 2-1: SerialNumber: syz
[  180.350859][    T9] usb 2-1: config 0 descriptor??
[  180.362504][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  180.392976][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  180.400909][ T5970] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  180.410563][ T5970] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  180.441950][ T5970] em28xx 1-1:0.132: No AC97 audio processor
[  180.452258][ T5970] usb 1-1: Decoder not found
[  180.475816][ T5970] em28xx 1-1:0.132: failed to create media graph
[  180.485604][ T5970] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  180.487845][ T6029] usb 4-1: new high-speed USB device number 39 using dummy_hcd
[  180.502337][ T5970] em28xx 1-1:0.132: Remote control support is not available for this card.
[  180.512138][ T1224] em28xx 1-1:0.132: Closing input extension
[  180.518498][ T1172] em28xx 3-1:0.132: Registering V4L2 extension
[  180.529528][ T1224] em28xx 1-1:0.132: Freeing device
[  180.614163][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  180.644571][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  180.651688][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  180.673765][ T6029] usb 4-1: config 0 has no interface number 0
[  180.691931][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  180.702325][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  180.711331][    T9] em28xx 2-1:0.132: board has no eeprom
[  180.725064][ T1172] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  180.732152][ T1172] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  180.742163][ T1172] em28xx 3-1:0.132: No AC97 audio processor
[  180.748612][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  180.757775][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  180.766950][ T6029] usb 4-1: Product: syz
[  180.771527][ T1172] usb 3-1: Decoder not found
[  180.776320][ T6029] usb 4-1: Manufacturer: syz
[  180.780945][ T6029] usb 4-1: SerialNumber: syz
[  180.785694][ T1172] em28xx 3-1:0.132: failed to create media graph
[  180.792087][ T1172] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  180.801586][ T6029] usb 4-1: config 0 descriptor??
[  180.806720][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  180.814908][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  180.826605][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  180.838333][ T1172] em28xx 3-1:0.132: Remote control support is not available for this card.
[  180.847821][ T5921] em28xx 2-1:0.132: Registering V4L2 extension
[  180.857036][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  180.863751][ T1224] usb 1-1: new high-speed USB device number 46 using dummy_hcd
[  180.874350][    T9] usb 2-1: USB disconnect, device number 39
[  180.894070][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  180.994356][ T5921] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  181.001646][ T5921] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  181.010628][ T5921] em28xx 2-1:0.132: No AC97 audio processor
[  181.020035][ T5921] usb 2-1: Decoder not found
[  181.026421][ T5921] em28xx 2-1:0.132: failed to create media graph
[  181.032957][ T5921] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  181.042653][ T5921] em28xx 2-1:0.132: Remote control support is not available for this card.
[  181.051583][ T6044] em28xx 3-1:0.132: Closing input extension
[  181.053870][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  181.061659][    T9] em28xx 2-1:0.132: Closing input extension
[  181.069809][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  181.079654][ T1224] usb 1-1: config 0 has no interface number 0
[  181.086034][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  181.088283][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  181.102952][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  181.113222][    T9] em28xx 2-1:0.132: Freeing device
[  181.120434][ T6044] em28xx 3-1:0.132: Freeing device
[  181.131649][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  181.141483][ T1224] usb 1-1: Product: syz
[  181.147608][ T1224] usb 1-1: Manufacturer: syz
[  181.156917][ T1224] usb 1-1: SerialNumber: syz
[  181.176351][ T1224] usb 1-1: config 0 descriptor??
[  181.187859][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  181.198040][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  181.210363][ T6029] em28xx 4-1:0.132: board has no eeprom
[  181.222499][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  181.283822][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  181.291889][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  181.298624][ T1172] em28xx 4-1:0.132: Registering V4L2 extension
[  181.314073][ T6029] usb 4-1: USB disconnect, device number 39
[  181.331020][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  181.447964][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  181.474144][ T6044] usb 3-1: new high-speed USB device number 41 using dummy_hcd
[  181.482206][ T1172] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  181.490197][    T9] usb 2-1: new high-speed USB device number 40 using dummy_hcd
[  181.498096][ T1172] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  181.506264][ T1172] em28xx 4-1:0.132: No AC97 audio processor
[  181.516070][ T1172] usb 4-1: Decoder not found
[  181.520748][ T1172] em28xx 4-1:0.132: failed to create media graph
[  181.527252][ T1172] em28xx 4-1:0.132: V4L2 device video103 deregistered
2026/02/10 05:45:57 executed programs: 170
[  181.541430][ T1172] em28xx 4-1:0.132: Remote control support is not available for this card.
[  181.544735][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  181.565636][ T6029] em28xx 4-1:0.132: Closing input extension
[  181.572021][ T1224] em28xx 1-1:0.132: board has no eeprom
[  181.598810][ T6029] em28xx 4-1:0.132: Freeing device
[  181.644178][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  181.652081][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  181.654184][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  181.661652][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  181.668899][    T9] usb 2-1: Using ep0 maxpacket: 32
[  181.683598][ T1224] usb 1-1: USB disconnect, device number 46
[  181.687086][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  181.697825][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  181.713066][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  181.732030][ T6044] usb 3-1: config 0 has no interface number 0
[  181.739914][    T9] usb 2-1: config 0 has no interface number 0
[  181.749761][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  181.766540][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  181.791048][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  181.801784][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  181.813363][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  181.827149][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  181.836436][ T6044] usb 3-1: Product: syz
[  181.842038][ T6044] usb 3-1: Manufacturer: syz
[  181.847168][    T9] usb 2-1: Product: syz
[  181.851376][    T9] usb 2-1: Manufacturer: syz
[  181.856373][ T6044] usb 3-1: SerialNumber: syz
[  181.861253][    T9] usb 2-1: SerialNumber: syz
[  181.875103][ T6044] usb 3-1: config 0 descriptor??
[  181.891038][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  181.901670][    T9] usb 2-1: config 0 descriptor??
[  181.907110][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  181.918828][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  181.930146][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  181.936907][ T6029] usb 4-1: new high-speed USB device number 40 using dummy_hcd
[  181.995312][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  182.002425][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  182.012116][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  182.019808][ T6037] usb 1-1: Decoder not found
[  182.024640][ T6037] em28xx 1-1:0.132: failed to create media graph
[  182.031171][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  182.039577][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  182.049836][ T1224] em28xx 1-1:0.132: Closing input extension
[  182.063001][ T1224] em28xx 1-1:0.132: Freeing device
[  182.094183][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  182.102990][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  182.114822][ T6029] usb 4-1: config 0 has no interface number 0
[  182.130782][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  182.141868][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  182.156253][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  182.166851][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  182.176046][ T6029] usb 4-1: Product: syz
[  182.180388][ T6029] usb 4-1: Manufacturer: syz
[  182.185601][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  182.192161][ T6029] usb 4-1: SerialNumber: syz
[  182.211110][ T6029] usb 4-1: config 0 descriptor??
[  182.220147][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  182.229369][ T6044] em28xx 3-1:0.132: board has no eeprom
[  182.244175][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  182.263279][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  182.273523][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  182.280976][    T9] em28xx 2-1:0.132: board has no eeprom
[  182.323797][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  182.331918][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  182.338102][ T6063] em28xx 3-1:0.132: Registering V4L2 extension
[  182.345550][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  182.359238][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  182.366460][ T6044] usb 3-1: USB disconnect, device number 41
[  182.390169][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  182.397546][    T9] usb 2-1: USB disconnect, device number 40
[  182.405097][ T1224] usb 1-1: new high-speed USB device number 47 using dummy_hcd
[  182.413597][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  182.500548][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  182.509426][ T6063] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  182.516639][ T6063] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  182.523986][ T6063] em28xx 3-1:0.132: No AC97 audio processor
[  182.531157][ T6063] usb 3-1: Decoder not found
[  182.536725][ T6063] em28xx 3-1:0.132: failed to create media graph
[  182.543116][ T6063] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  182.551571][ T6063] em28xx 3-1:0.132: Remote control support is not available for this card.
[  182.561533][ T5921] em28xx 2-1:0.132: Registering V4L2 extension
[  182.571809][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  182.580765][ T6029] em28xx 4-1:0.132: board has no eeprom
[  182.593791][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  182.615130][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  182.646528][ T1224] usb 1-1: config 0 has no interface number 0
[  182.649729][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  182.665299][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  182.672838][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  182.696766][ T6029] usb 4-1: USB disconnect, device number 40
[  182.706180][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  182.709671][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  182.723693][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  182.742043][ T1224] usb 1-1: Product: syz
[  182.749260][ T1224] usb 1-1: Manufacturer: syz
[  182.754221][ T1224] usb 1-1: SerialNumber: syz
[  182.761714][ T1224] usb 1-1: config 0 descriptor??
[  182.775865][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  182.785902][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  182.836299][ T5921] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  182.843415][ T5921] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  182.851811][ T5921] em28xx 2-1:0.132: No AC97 audio processor
[  182.859836][ T5921] usb 2-1: Decoder not found
[  182.865926][ T5921] em28xx 2-1:0.132: failed to create media graph
[  182.872477][ T5921] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  182.881046][ T5921] em28xx 2-1:0.132: Remote control support is not available for this card.
[  182.893913][ T6044] em28xx 3-1:0.132: Closing input extension
[  182.899920][ T6063] em28xx 4-1:0.132: Registering V4L2 extension
[  182.911322][ T6044] em28xx 3-1:0.132: Freeing device
[  183.037531][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  183.098377][ T6063] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  183.107708][ T6063] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  183.115077][ T6063] em28xx 4-1:0.132: No AC97 audio processor
[  183.123827][ T6063] usb 4-1: Decoder not found
[  183.128534][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  183.128583][ T1224] em28xx 1-1:0.132: board has no eeprom
[  183.139962][ T6063] em28xx 4-1:0.132: failed to create media graph
[  183.149615][ T6063] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  183.159008][ T6063] em28xx 4-1:0.132: Remote control support is not available for this card.
[  183.168128][    T9] em28xx 2-1:0.132: Closing input extension
[  183.176341][ T6029] em28xx 4-1:0.132: Closing input extension
[  183.187504][    T9] em28xx 2-1:0.132: Freeing device
[  183.196176][ T6029] em28xx 4-1:0.132: Freeing device
[  183.206345][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  183.214716][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  183.220915][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  183.235478][ T6044] usb 3-1: new high-speed USB device number 42 using dummy_hcd
[  183.266145][ T1224] usb 1-1: USB disconnect, device number 47
[  183.300523][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  183.394900][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  183.412352][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  183.425461][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  183.426771][ T6044] usb 3-1: config 0 has no interface number 0
[  183.440112][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  183.444955][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  183.458096][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  183.461674][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  183.485429][ T6037] usb 1-1: Decoder not found
[  183.490240][ T6037] em28xx 1-1:0.132: failed to create media graph
[  183.497195][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  183.497223][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  183.513469][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  183.523875][ T6029] usb 4-1: new high-speed USB device number 41 using dummy_hcd
[  183.545614][ T6044] usb 3-1: Product: syz
[  183.549913][ T6044] usb 3-1: Manufacturer: syz
[  183.549939][ T1224] em28xx 1-1:0.132: Closing input extension
[  183.561069][ T6044] usb 3-1: SerialNumber: syz
[  183.565868][    T9] usb 2-1: new high-speed USB device number 41 using dummy_hcd
[  183.585776][ T6044] usb 3-1: config 0 descriptor??
[  183.603771][ T1224] em28xx 1-1:0.132: Freeing device
[  183.616434][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  183.638027][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  183.693801][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  183.705662][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  183.714531][ T6029] usb 4-1: config 0 has no interface number 0
[  183.720760][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  183.733918][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  183.744849][    T9] usb 2-1: Using ep0 maxpacket: 32
[  183.750210][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  183.762320][ T6029] usb 4-1: Product: syz
[  183.767156][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  183.779287][    T9] usb 2-1: config 0 has no interface number 0
[  183.787119][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  183.797458][ T6029] usb 4-1: Manufacturer: syz
[  183.802153][ T6029] usb 4-1: SerialNumber: syz
[  183.812126][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  183.822004][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  183.830640][    T9] usb 2-1: Product: syz
[  183.840256][    T9] usb 2-1: Manufacturer: syz
[  183.846186][    T9] usb 2-1: SerialNumber: syz
[  183.851802][ T6029] usb 4-1: config 0 descriptor??
[  183.864160][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  183.871340][    T9] usb 2-1: config 0 descriptor??
[  183.877577][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  183.890022][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  183.900955][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  183.911183][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  183.923864][ T1224] usb 1-1: new high-speed USB device number 48 using dummy_hcd
[  183.937397][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  183.947609][ T6044] em28xx 3-1:0.132: board has no eeprom
[  184.013828][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  184.021881][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  184.028063][ T5921] em28xx 3-1:0.132: Registering V4L2 extension
[  184.051281][ T6044] usb 3-1: USB disconnect, device number 42
[  184.069913][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  184.083799][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  184.092137][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  184.109739][ T1224] usb 1-1: config 0 has no interface number 0
[  184.119575][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  184.133346][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  184.134732][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  184.145146][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  184.158192][ T1224] usb 1-1: Product: syz
[  184.162583][ T1224] usb 1-1: Manufacturer: syz
[  184.167702][ T1224] usb 1-1: SerialNumber: syz
[  184.173859][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  184.179236][ T1224] usb 1-1: config 0 descriptor??
[  184.197930][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  184.209009][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  184.248879][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  184.259554][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  184.268703][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  184.276098][    T9] em28xx 2-1:0.132: board has no eeprom
[  184.282548][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  184.290050][ T6029] em28xx 4-1:0.132: board has no eeprom
[  184.295947][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  184.305426][ T5921] usb 3-1: Decoder not found
[  184.310091][ T5921] em28xx 3-1:0.132: failed to create media graph
[  184.316817][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  184.330073][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  184.339038][ T6044] em28xx 3-1:0.132: Closing input extension
[  184.353975][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  184.363147][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  184.376471][ T6044] em28xx 3-1:0.132: Freeing device
[  184.387407][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  184.397925][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  184.412348][ T6063] em28xx 2-1:0.132: Registering V4L2 extension
[  184.441404][    T9] usb 2-1: USB disconnect, device number 41
[  184.458617][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  184.466375][ T6029] usb 4-1: USB disconnect, device number 41
[  184.473537][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  184.492826][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  184.547217][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  184.564925][ T1224] em28xx 1-1:0.132: board has no eeprom
[  184.644772][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  184.663566][ T6063] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  184.663848][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  184.671150][ T6063] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  184.684950][ T6063] em28xx 2-1:0.132: No AC97 audio processor
[  184.698362][ T6063] usb 2-1: Decoder not found
[  184.703033][ T6063] em28xx 2-1:0.132: failed to create media graph
[  184.710284][ T6044] usb 3-1: new high-speed USB device number 43 using dummy_hcd
[  184.717001][ T1224] usb 1-1: USB disconnect, device number 48
[  184.727057][ T6063] em28xx 2-1:0.132: V4L2 device video103 deregistered
[  184.736839][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  184.744715][ T6063] em28xx 2-1:0.132: Remote control support is not available for this card.
[  184.755838][ T5921] em28xx 4-1:0.132: Registering V4L2 extension
[  184.852611][ T5921] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  184.860260][ T5921] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  184.869251][ T5921] em28xx 4-1:0.132: No AC97 audio processor
[  184.881453][ T5921] usb 4-1: Decoder not found
[  184.886366][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  184.891694][ T5921] em28xx 4-1:0.132: failed to create media graph
[  184.898298][ T5921] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  184.906777][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  184.917524][ T5921] em28xx 4-1:0.132: Remote control support is not available for this card.
[  184.926543][ T6044] usb 3-1: config 0 has no interface number 0
[  184.932692][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  184.942877][ T6037] em28xx 1-1:0.132: Registering V4L2 extension
[  184.952648][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  184.962368][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  184.991100][ T6044] usb 3-1: Product: syz
[  184.996374][ T6044] usb 3-1: Manufacturer: syz
[  185.001030][ T6044] usb 3-1: SerialNumber: syz
[  185.017013][ T6044] usb 3-1: config 0 descriptor??
[  185.031111][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  185.042233][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  185.147791][ T6037] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  185.158085][ T6037] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  185.165619][ T6037] em28xx 1-1:0.132: No AC97 audio processor
[  185.173834][ T6037] usb 1-1: Decoder not found
[  185.178488][ T6037] em28xx 1-1:0.132: failed to create media graph
[  185.187321][ T6037] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  185.195787][ T6037] em28xx 1-1:0.132: Remote control support is not available for this card.
[  185.204720][ T1224] em28xx 1-1:0.132: Closing input extension
[  185.210850][    T9] em28xx 2-1:0.132: Closing input extension
[  185.217981][ T6029] em28xx 4-1:0.132: Closing input extension
[  185.235441][ T1224] em28xx 1-1:0.132: Freeing device
[  185.241502][    T9] em28xx 2-1:0.132: Freeing device
[  185.248108][ T6029] em28xx 4-1:0.132: Freeing device
[  185.284131][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  185.347708][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  185.357064][ T6044] em28xx 3-1:0.132: board has no eeprom
[  185.413952][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  185.421927][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  185.429997][ T5921] em28xx 3-1:0.132: Registering V4L2 extension
[  185.449194][ T6044] usb 3-1: USB disconnect, device number 43
[  185.467174][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  185.563787][    T9] usb 2-1: new high-speed USB device number 42 using dummy_hcd
[  185.594051][ T6029] usb 4-1: new high-speed USB device number 42 using dummy_hcd
[  185.613719][ T1224] usb 1-1: new high-speed USB device number 49 using dummy_hcd
[  185.626814][ T5921] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  185.636081][ T5921] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  185.643370][ T5921] em28xx 3-1:0.132: No AC97 audio processor
[  185.654394][ T5921] usb 3-1: Decoder not found
[  185.659188][ T5921] em28xx 3-1:0.132: failed to create media graph
[  185.665785][ T5921] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  185.675609][ T5921] em28xx 3-1:0.132: Remote control support is not available for this card.
[  185.688322][ T6044] em28xx 3-1:0.132: Closing input extension
[  185.698518][ T6044] em28xx 3-1:0.132: Freeing device
[  185.723774][    T9] usb 2-1: Using ep0 maxpacket: 32
[  185.734909][    T9] usb 2-1: config 0 has an invalid interface number: 132 but max is 0
[  185.764846][    T9] usb 2-1: config 0 has no interface number 0
[  185.771025][    T9] usb 2-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  185.781237][ T6029] usb 4-1: Using ep0 maxpacket: 32
[  185.794167][ T1224] usb 1-1: Using ep0 maxpacket: 32
[  185.810299][ T6029] usb 4-1: config 0 has an invalid interface number: 132 but max is 0
[  185.817875][ T1224] usb 1-1: config 0 has an invalid interface number: 132 but max is 0
[  185.820098][ T6029] usb 4-1: config 0 has no interface number 0
[  185.842190][ T6029] usb 4-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  185.842310][ T1224] usb 1-1: config 0 has no interface number 0
[  185.859912][ T6029] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  185.869693][    T9] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  185.879553][    T9] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  185.886800][ T1224] usb 1-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  185.890878][ T6029] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  185.905987][    T9] usb 2-1: Product: syz
[  185.910203][    T9] usb 2-1: Manufacturer: syz
[  185.915837][ T1224] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  185.925381][    T9] usb 2-1: SerialNumber: syz
[  185.926325][ T1224] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  185.939503][ T6029] usb 4-1: Product: syz
[  185.947515][ T6029] usb 4-1: Manufacturer: syz
[  185.952156][ T6029] usb 4-1: SerialNumber: syz
[  185.953821][ T1224] usb 1-1: Product: syz
[  185.961129][    T9] usb 2-1: config 0 descriptor??
[  185.971316][ T1224] usb 1-1: Manufacturer: syz
[  185.980219][    T9] em28xx 2-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  185.981824][ T1224] usb 1-1: SerialNumber: syz
[  185.997188][ T6029] usb 4-1: config 0 descriptor??
[  186.002600][    T9] em28xx 2-1:0.132: Video interface 132 found:
[  186.022885][ T6029] em28xx 4-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  186.033233][ T6029] em28xx 4-1:0.132: Video interface 132 found:
[  186.034493][ T1224] usb 1-1: config 0 descriptor??
[  186.060190][ T1224] em28xx 1-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  186.071056][ T1224] em28xx 1-1:0.132: Video interface 132 found:
[  186.133966][ T6044] usb 3-1: new high-speed USB device number 44 using dummy_hcd
[  186.234384][    T9] em28xx 2-1:0.132: unknown em28xx chip ID (0)
[  186.264224][ T6029] em28xx 4-1:0.132: unknown em28xx chip ID (0)
[  186.293795][ T6044] usb 3-1: Using ep0 maxpacket: 32
[  186.302783][    T9] em28xx 2-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  186.312321][ T6044] usb 3-1: config 0 has an invalid interface number: 132 but max is 0
[  186.321119][    T9] em28xx 2-1:0.132: board has no eeprom
[  186.326541][ T1224] em28xx 1-1:0.132: unknown em28xx chip ID (0)
[  186.326965][ T6044] usb 3-1: config 0 has no interface number 0
[  186.340473][ T6044] usb 3-1: config 0 interface 132 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0
[  186.353239][ T6029] em28xx 4-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  186.362185][ T6029] em28xx 4-1:0.132: board has no eeprom
[  186.370409][ T6044] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=ec.e5
[  186.379647][ T6044] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  186.387897][ T6044] usb 3-1: Product: syz
[  186.392106][ T6044] usb 3-1: Manufacturer: syz
[  186.396834][ T6044] usb 3-1: SerialNumber: syz
[  186.403753][    T9] em28xx 2-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  186.409325][ T1224] em28xx 1-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  186.413295][    T9] em28xx 2-1:0.132: analog set to bulk mode.
[  186.427256][ T6044] usb 3-1: config 0 descriptor??
[  186.432504][ T6029] em28xx 4-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  186.433865][ T1224] em28xx 1-1:0.132: board has no eeprom
[  186.441566][ T5921] em28xx 2-1:0.132: Registering V4L2 extension
[  186.456856][ T6044] em28xx 3-1:0.132: New device syz syz @ 480 Mbps (0413:6023, interface 132, class 132)
[  186.467665][ T6029] em28xx 4-1:0.132: analog set to bulk mode.
[  186.478040][    T9] usb 2-1: USB disconnect, device number 42
[  186.492988][ T6044] em28xx 3-1:0.132: Video interface 132 found:
[  186.503515][ T6029] usb 4-1: USB disconnect, device number 42
[  186.511120][    T9] em28xx 2-1:0.132: Disconnecting em28xx
[  186.520387][ T6029] em28xx 4-1:0.132: Disconnecting em28xx
[  186.533905][ T1224] em28xx 1-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  186.551527][ T1224] em28xx 1-1:0.132: analog set to bulk mode.
[  186.582346][ T1224] usb 1-1: USB disconnect, device number 49
[  186.595146][ T1224] em28xx 1-1:0.132: Disconnecting em28xx
[  186.652064][ T5921] em28xx 2-1:0.132: Config register raw data: 0xffffffed
[  186.663895][ T5921] em28xx 2-1:0.132: AC97 chip type couldn't be determined
[  186.671077][ T5921] em28xx 2-1:0.132: No AC97 audio processor
[  186.679383][ T5921] usb 2-1: Decoder not found
[  186.684423][ T5921] em28xx 2-1:0.132: failed to create media graph
[  186.691756][ T5921] em28xx 2-1:0.132: V4L2 device video103 deregistered
2026/02/10 05:46:02 executed programs: 181
[  186.700801][ T5921] em28xx 2-1:0.132: Remote control support is not available for this card.
[  186.710095][ T6052] em28xx 4-1:0.132: Registering V4L2 extension
[  186.718061][ T6044] em28xx 3-1:0.132: unknown em28xx chip ID (0)
[  186.793868][ T6044] em28xx 3-1:0.132: failed to trigger read from i2c address 0xa0 (error=-5)
[  186.813540][ T6044] em28xx 3-1:0.132: board has no eeprom
[  186.883190][ T6052] em28xx 4-1:0.132: Config register raw data: 0xffffffed
[  186.890678][ T6052] em28xx 4-1:0.132: AC97 chip type couldn't be determined
[  186.903325][ T6044] em28xx 3-1:0.132: Identified as Leadtek Winfast USB II (card=7)
[  186.911312][ T6044] em28xx 3-1:0.132: analog set to bulk mode.
[  186.917399][ T6052] em28xx 4-1:0.132: No AC97 audio processor
[  186.927682][ T6052] usb 4-1: Decoder not found
[  186.932345][ T6052] em28xx 4-1:0.132: failed to create media graph
[  186.939794][ T6044] usb 3-1: USB disconnect, device number 44
[  186.946546][ T6052] em28xx 4-1:0.132: V4L2 device video103 deregistered
[  186.954926][ T6044] em28xx 3-1:0.132: Disconnecting em28xx
[  186.969425][ T6052] em28xx 4-1:0.132: Remote control support is not available for this card.
[  186.978294][   T24] em28xx 1-1:0.132: Registering V4L2 extension
[  187.069479][   T24] em28xx 1-1:0.132: Config register raw data: 0xffffffed
[  187.076832][   T24] em28xx 1-1:0.132: AC97 chip type couldn't be determined
[  187.084269][   T24] em28xx 1-1:0.132: No AC97 audio processor
[  187.091473][   T24] usb 1-1: Decoder not found
[  187.096206][   T24] em28xx 1-1:0.132: failed to create media graph
[  187.102579][   T24] em28xx 1-1:0.132: V4L2 device video103 deregistered
[  187.111271][   T24] em28xx 1-1:0.132: Remote control support is not available for this card.
[  187.120342][    T9] em28xx 2-1:0.132: Closing input extension
[  187.129866][ T1172] em28xx 3-1:0.132: Registering V4L2 extension
[  187.141363][    T9] em28xx 2-1:0.132: Freeing device
[  187.286333][ T1172] em28xx 3-1:0.132: Config register raw data: 0xffffffed
[  187.293487][ T1172] em28xx 3-1:0.132: AC97 chip type couldn't be determined
[  187.308600][ T1172] em28xx 3-1:0.132: No AC97 audio processor
[  187.316479][ T1172] usb 3-1: Decoder not found
[  187.321139][ T1172] em28xx 3-1:0.132: failed to create media graph
[  187.327993][ T1172] em28xx 3-1:0.132: V4L2 device video103 deregistered
[  187.336794][ T1172] em28xx 3-1:0.132: Remote control support is not available for this card.
[  187.337292][ T6933] ==================================================================
[  187.346052][ T6029] em28xx 4-1:0.132: Closing input extension
[  187.353513][ T6933] BUG: KASAN: slab-use-after-free in v4l2_fh_open+0xac/0x420
[  187.366939][ T6933] Read of size 8 at addr ffff888035e34748 by task v4l_id/6933
[  187.374438][ T6933] 
[  187.376822][ T6933] CPU: 1 UID: 0 PID: 6933 Comm: v4l_id Not tainted syzkaller #0 PREEMPT(full) 
[  187.376849][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  187.376871][ T6933] Call Trace:
[  187.376880][ T6933]  <TASK>
[  187.376893][ T6933]  dump_stack_lvl+0xe8/0x150
[  187.376927][ T6933]  print_report+0xba/0x230
[  187.376954][ T6933]  ? v4l2_fh_open+0xac/0x420
[  187.376985][ T6933]  kasan_report+0x117/0x150
[  187.377008][ T6933]  ? v4l2_fh_open+0xac/0x420
[  187.377042][ T6933]  v4l2_fh_open+0xac/0x420
[  187.377074][ T6933]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[  187.377109][ T6933]  em28xx_v4l2_open+0x157/0x9a0
[  187.377135][ T6933]  ? do_raw_spin_lock+0x12b/0x2f0
[  187.377159][ T6933]  v4l2_open+0x1bf/0x3a0
[  187.377182][ T6933]  chrdev_open+0x4cd/0x5e0
[  187.377207][ T6933]  ? __pfx_chrdev_open+0x10/0x10
[  187.377229][ T6933]  ? fsnotify_open_perm_and_set_mode+0x135/0x6d0
[  187.377265][ T6933]  ? __pfx_chrdev_open+0x10/0x10
[  187.377286][ T6933]  do_dentry_open+0x785/0x14e0
[  187.377313][ T6029] em28xx 4-1:0.132: Freeing device
[  187.377319][ T6933]  vfs_open+0x3b/0x340
[  187.377380][ T6933]  ? path_openat+0x2df0/0x3860
[  187.377452][ T6933]  path_openat+0x2e08/0x3860
[  187.377535][ T6933]  ? __pfx_stack_trace_save+0x10/0x10
[  187.377602][ T6933]  ? stack_depot_save_flags+0x33/0x810
[  187.377694][ T6933]  ? __pfx_path_openat+0x10/0x10
[  187.377748][ T6933]  ? __x64_sys_openat+0x138/0x170
[  187.377816][ T6933]  ? do_syscall_64+0x14d/0xf80
[  187.377894][ T6933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  187.377961][ T6933]  ? __lock_acquire+0x6b5/0x2cf0
[  187.378041][ T6933]  do_file_open+0x23e/0x4a0
[  187.378093][ T6933]  ? __pfx_do_file_open+0x10/0x10
[  187.378173][ T6933]  ? _raw_spin_unlock+0x28/0x50
[  187.378241][ T6933]  ? alloc_fd+0x64b/0x6c0
[  187.378319][ T6933]  do_sys_openat2+0x113/0x200
[  187.378408][ T6933]  ? __pfx_do_sys_openat2+0x10/0x10
[  187.378482][ T6933]  ? exc_page_fault+0x6a/0xc0
[  187.378561][ T6933]  ? do_user_addr_fault+0xc6f/0x1340
[  187.378631][ T6933]  __x64_sys_openat+0x138/0x170
[  187.378717][ T6933]  do_syscall_64+0x14d/0xf80
[  187.378787][ T6933]  ? trace_irq_disable+0x3b/0x150
[  187.378886][ T6933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  187.378944][ T6933]  ? clear_bhb_loop+0x40/0x90
[  187.379003][ T6933]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  187.379061][ T6933] RIP: 0033:0x7fbd028a7407
[  187.379121][ T6933] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  187.379173][ T6933] RSP: 002b:00007ffdc84eb9f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  187.379243][ T6933] RAX: ffffffffffffffda RBX: 00007fbd02f5e880 RCX: 00007fbd028a7407
[  187.379286][ T6933] RDX: 0000000000000000 RSI: 00007ffdc84ebf1b RDI: ffffffffffffff9c
[  187.379322][ T6933] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  187.379355][ T6933] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  187.379388][ T6933] R13: 00007ffdc84ebc40 R14: 00007fbd030c5000 R15: 000055fe903794d8
[  187.379453][ T6933]  </TASK>
[  187.379475][ T6933] 
[  187.678485][ T6933] Allocated by task 1172:
[  187.682836][ T6933]  kasan_save_track+0x3e/0x80
[  187.687557][ T6933]  __kasan_kmalloc+0x93/0xb0
[  187.692182][ T6933]  __kmalloc_cache_noprof+0x31c/0x660
[  187.697580][ T6933]  em28xx_v4l2_init+0x10b/0x2e70
[  187.702635][ T6933]  em28xx_init_extension+0x120/0x1c0
[  187.707945][ T6933]  process_one_work+0x949/0x1650
[  187.712912][ T6933]  worker_thread+0xb46/0x1140
[  187.717628][ T6933]  kthread+0x388/0x470
[  187.721717][ T6933]  ret_from_fork+0x51e/0xb90
[  187.726345][ T6933]  ret_from_fork_asm+0x1a/0x30
[  187.731151][ T6933] 
[  187.733583][ T6933] Freed by task 1172:
[  187.737584][ T6933]  kasan_save_track+0x3e/0x80
[  187.742298][ T6933]  kasan_save_free_info+0x46/0x50
[  187.747367][ T6933]  __kasan_slab_free+0x5c/0x80
[  187.752335][ T6933]  kfree+0x1c1/0x630
[  187.756267][ T6933]  em28xx_v4l2_init+0x1683/0x2e70
[  187.761328][ T6933]  em28xx_init_extension+0x120/0x1c0
[  187.766639][ T6933]  process_one_work+0x949/0x1650
[  187.771612][ T6933]  worker_thread+0xb46/0x1140
[  187.776317][ T6933]  kthread+0x388/0x470
[  187.780503][ T6933]  ret_from_fork+0x51e/0xb90
[  187.785139][ T6933]  ret_from_fork_asm+0x1a/0x30
[  187.790124][ T6933] 
[  187.792471][ T6933] The buggy address belongs to the object at ffff888035e34000
[  187.792471][ T6933]  which belongs to the cache kmalloc-8k of size 8192
[  187.806633][ T6933] The buggy address is located 1864 bytes inside of
[  187.806633][ T6933]  freed 8192-byte region [ffff888035e34000, ffff888035e36000)
[  187.820631][ T6933] 
[  187.822985][ T6933] The buggy address belongs to the physical page:
[  187.829518][ T6933] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x35e30
[  187.838675][ T6933] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[  187.847202][ T6933] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[  187.854868][ T6933] page_type: f5(slab)
[  187.858882][ T6933] raw: 00fff00000000040 ffff88813ff20280 dead000000000100 dead000000000122
[  187.867573][ T6933] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  187.876281][ T6933] head: 00fff00000000040 ffff88813ff20280 dead000000000100 dead000000000122
[  187.884984][ T6933] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  187.893687][ T6933] head: 00fff00000000003 ffffea0000d78c01 00000000ffffffff 00000000ffffffff
[  187.902396][ T6933] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[  187.911094][ T6933] page dumped because: kasan: bad access detected
[  187.917570][ T6933] page_owner tracks the page as allocated
[  187.923461][ T6933] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5921, tgid 5921 (kworker/0:3), ts 155375150366, free_ts 155276581074
[  187.945076][ T6933]  post_alloc_hook+0x231/0x280
[  187.949887][ T6933]  get_page_from_freelist+0x24dc/0x2580
[  187.955463][ T6933]  __alloc_frozen_pages_noprof+0x18d/0x380
[  187.961304][ T6933]  allocate_slab+0x77/0x660
[  187.965838][ T6933]  refill_objects+0x331/0x3c0
[  187.970544][ T6933]  __pcs_replace_empty_main+0x2b9/0x620
[  187.976120][ T6933]  __kmalloc_cache_noprof+0x392/0x660
[  187.981525][ T6933]  em28xx_v4l2_init+0x10b/0x2e70
[  187.986501][ T6933]  em28xx_init_extension+0x120/0x1c0
[  187.991823][ T6933]  process_one_work+0x949/0x1650
[  187.996794][ T6933]  worker_thread+0xb46/0x1140
[  188.001505][ T6933]  kthread+0x388/0x470
[  188.005595][ T6933]  ret_from_fork+0x51e/0xb90
[  188.010265][ T6933]  ret_from_fork_asm+0x1a/0x30
[  188.015155][ T6933] page last free pid 6563 tgid 6563 stack trace:
[  188.021763][ T6933]  __free_frozen_pages+0xc01/0xd80
[  188.026902][ T6933]  __slab_free+0x263/0x2b0
[  188.031350][ T6933]  qlist_free_all+0x97/0x100
[  188.035973][ T6933]  kasan_quarantine_reduce+0x148/0x160
[  188.041471][ T6933]  __kasan_slab_alloc+0x22/0x80
[  188.046370][ T6933]  kmem_cache_alloc_noprof+0x2bc/0x650
[  188.051866][ T6933]  __anon_vma_prepare+0xcb/0x4a0
[  188.056829][ T6933]  do_pte_missing+0x3024/0x3750
[  188.061712][ T6933]  handle_mm_fault+0x1bec/0x3310
[  188.066674][ T6933]  do_user_addr_fault+0xa73/0x1340
[  188.071820][ T6933]  exc_page_fault+0x6a/0xc0
[  188.076455][ T6933]  asm_exc_page_fault+0x26/0x30
[  188.081339][ T6933] 
[  188.083685][ T6933] Memory state around the buggy address:
[  188.089347][ T6933]  ffff888035e34600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  188.097453][ T6933]  ffff888035e34680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  188.105684][ T6933] >ffff888035e34700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  188.113776][ T6933]                                               ^
[  188.120216][ T6933]  ffff888035e34780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  188.128315][ T6933]  ffff888035e34800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  188.136404][ T6933] ==================================================================
[  188.148142][ T1224] em28xx 1-1:0.132: Closing input extension
[  188.163820][ T6044] em28xx 3-1:0.132: Closing input extension
[  188.182353][ T1224] em28xx 1-1:0.132: Freeing device
[  188.190915][ T6933] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  188.198174][ T6933] CPU: 0 UID: 0 PID: 6933 Comm: v4l_id Not tainted syzkaller #0 PREEMPT(full) 
[  188.207147][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  188.217250][ T6933] Call Trace:
[  188.220567][ T6933]  <TASK>
[  188.223530][ T6933]  vpanic+0x56c/0xa60
[  188.227832][ T6933]  ? __pfx_vpanic+0x10/0x10
[  188.232393][ T6933]  panic+0xc5/0xd0
[  188.236177][ T6933]  ? __pfx_panic+0x10/0x10
[  188.240687][ T6933]  ? preempt_schedule_thunk+0x16/0x30
[  188.246115][ T6933]  ? preempt_schedule_thunk+0x16/0x30
[  188.251535][ T6933]  ? v4l2_fh_open+0xac/0x420
[  188.256187][ T6933]  check_panic_on_warn+0x89/0xb0
[  188.261166][ T6933]  ? v4l2_fh_open+0xac/0x420
[  188.265811][ T6933]  end_report+0x73/0x180
[  188.270139][ T6933]  ? v4l2_fh_open+0xac/0x420
[  188.274795][ T6933]  kasan_report+0x128/0x150
[  188.279349][ T6933]  ? v4l2_fh_open+0xac/0x420
[  188.284093][ T6933]  v4l2_fh_open+0xac/0x420
[  188.288573][ T6933]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[  188.294612][ T6933]  em28xx_v4l2_open+0x157/0x9a0
[  188.299517][ T6933]  ? do_raw_spin_lock+0x12b/0x2f0
[  188.304620][ T6933]  v4l2_open+0x1bf/0x3a0
[  188.308911][ T6933]  chrdev_open+0x4cd/0x5e0
[  188.313372][ T6933]  ? __pfx_chrdev_open+0x10/0x10
[  188.318352][ T6933]  ? fsnotify_open_perm_and_set_mode+0x135/0x6d0
[  188.324739][ T6933]  ? __pfx_chrdev_open+0x10/0x10
[  188.329810][ T6933]  do_dentry_open+0x785/0x14e0
[  188.334626][ T6933]  vfs_open+0x3b/0x340
[  188.338749][ T6933]  ? path_openat+0x2df0/0x3860
[  188.343559][ T6933]  path_openat+0x2e08/0x3860
[  188.348296][ T6933]  ? __pfx_stack_trace_save+0x10/0x10
[  188.353704][ T6933]  ? stack_depot_save_flags+0x33/0x810
[  188.359209][ T6933]  ? __pfx_path_openat+0x10/0x10
[  188.364183][ T6933]  ? __x64_sys_openat+0x138/0x170
[  188.369250][ T6933]  ? do_syscall_64+0x14d/0xf80
[  188.374035][ T6933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  188.380134][ T6933]  ? __lock_acquire+0x6b5/0x2cf0
[  188.385219][ T6933]  do_file_open+0x23e/0x4a0
[  188.389833][ T6933]  ? __pfx_do_file_open+0x10/0x10
[  188.394996][ T6933]  ? _raw_spin_unlock+0x28/0x50
[  188.399917][ T6933]  ? alloc_fd+0x64b/0x6c0
[  188.404376][ T6933]  do_sys_openat2+0x113/0x200
[  188.409131][ T6933]  ? __pfx_do_sys_openat2+0x10/0x10
[  188.414386][ T6933]  ? exc_page_fault+0x6a/0xc0
[  188.419102][ T6933]  ? do_user_addr_fault+0xc6f/0x1340
[  188.424511][ T6933]  __x64_sys_openat+0x138/0x170
[  188.429400][ T6933]  do_syscall_64+0x14d/0xf80
[  188.434031][ T6933]  ? trace_irq_disable+0x3b/0x150
[  188.439176][ T6933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  188.445274][ T6933]  ? clear_bhb_loop+0x40/0x90
[  188.450012][ T6933]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  188.456114][ T6933] RIP: 0033:0x7fbd028a7407
[  188.460742][ T6933] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  188.480467][ T6933] RSP: 002b:00007ffdc84eb9f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  188.489140][ T6933] RAX: ffffffffffffffda RBX: 00007fbd02f5e880 RCX: 00007fbd028a7407
[  188.497144][ T6933] RDX: 0000000000000000 RSI: 00007ffdc84ebf1b RDI: ffffffffffffff9c
[  188.505158][ T6933] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  188.513157][ T6933] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  188.521158][ T6933] R13: 00007ffdc84ebc40 R14: 00007fbd030c5000 R15: 000055fe903794d8
[  188.529171][ T6933]  </TASK>
[  188.532815][ T6933] Kernel Offset: disabled
[  188.537153][ T6933] Rebooting in 86400 seconds..