pshot button...
[  193.143196][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  193.149697][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  193.172071][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  193.172098][ T5958] usb 4-1: config 0 has no interface number 0
[  193.172143][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  193.172166][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  193.209222][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input90
[  193.210383][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  193.210413][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  193.210435][ T5958] usb 4-1: Product: syz
[  193.210449][ T5958] usb 4-1: Manufacturer: syz
[  193.210465][ T5958] usb 4-1: SerialNumber: syz
[  193.213799][ T6081] em28xx 1-1:0.89: Remote control support is not available for this card.
[  193.214043][ T5889] em28xx 2-1:0.89: Closing input extension
[  193.214070][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  193.293457][ T5958] usb 4-1: config 0 descriptor??
[  193.311851][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  193.311883][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  193.356430][    T9] em28xx 3-1:0.89: Registering V4L2 extension
[  193.423659][ T5889] em28xx 2-1:0.89: Freeing device
[  193.490809][    T9] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  193.490828][    T9] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  193.490858][    T9] em28xx 3-1:0.89: No AC97 audio processor
[  193.509112][    T9] usb 3-1: Decoder not found
[  193.518124][    T9] em28xx 3-1:0.89: failed to create media graph
[  193.518222][    T9] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  193.551824][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  193.588755][    T9] em28xx 3-1:0.89: Registering snapshot button...
[  193.609097][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input91
[  193.623783][    T9] em28xx 3-1:0.89: Remote control support is not available for this card.
[  193.623838][   T10] em28xx 1-1:0.89: Closing input extension
[  193.623857][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  193.656436][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  193.656461][ T5958] em28xx 4-1:0.89: board has no eeprom
[  193.704517][ T5954] em28xx 3-1:0.89: Closing input extension
[  193.704548][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  193.717949][   T10] em28xx 1-1:0.89: Freeing device
[  193.751613][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  193.751641][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  193.794064][ T5889] usb 2-1: new high-speed USB device number 23 using dummy_hcd
[  193.818137][ T6115] em28xx 4-1:0.89: Registering V4L2 extension
[  193.856680][ T5954] em28xx 3-1:0.89: Freeing device
[  193.868005][ T5958] usb 4-1: USB disconnect, device number 24
[  193.898810][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  193.939542][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  193.942693][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  193.942724][ T5889] usb 2-1: config 0 has no interface number 0
[  193.942818][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  193.942841][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  193.948945][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  193.948975][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  193.948996][ T5889] usb 2-1: Product: syz
[  193.949012][ T5889] usb 2-1: Manufacturer: syz
[  193.949043][ T5889] usb 2-1: SerialNumber: syz
[  194.030190][   T10] usb 1-1: new high-speed USB device number 24 using dummy_hcd
[  194.033360][ T5889] usb 2-1: config 0 descriptor??
[  194.064563][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  194.064597][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  194.104797][ T6115] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  194.104823][ T6115] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  194.104837][ T6115] em28xx 4-1:0.89: No AC97 audio processor
[  194.108761][ T6115] usb 4-1: Decoder not found
[  194.108782][ T6115] em28xx 4-1:0.89: failed to create media graph
[  194.108896][ T6115] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  194.167437][ T6115] em28xx 4-1:0.89: Registering snapshot button...
[  194.182461][   T10] usb 1-1: Using ep0 maxpacket: 32
[  194.186640][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  194.186666][   T10] usb 1-1: config 0 has no interface number 0
[  194.186705][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  194.186724][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  194.194271][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  194.194377][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  194.194399][   T10] usb 1-1: Product: syz
[  194.194415][   T10] usb 1-1: Manufacturer: syz
[  194.194430][   T10] usb 1-1: SerialNumber: syz
[  194.226622][   T10] usb 1-1: config 0 descriptor??
[  194.242603][ T5954] usb 3-1: new high-speed USB device number 25 using dummy_hcd
[  194.315114][ T6115] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input92
[  194.327721][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  194.327757][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  194.348946][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  194.372017][ T6115] em28xx 4-1:0.89: Remote control support is not available for this card.
[  194.372080][ T5958] em28xx 4-1:0.89: Closing input extension
[  194.372098][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  194.400354][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  194.433822][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  194.433865][ T5889] em28xx 2-1:0.89: board has no eeprom
[  194.465349][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  194.465377][ T5954] usb 3-1: config 0 has no interface number 0
[  194.465417][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  194.465439][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  194.502597][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  194.502625][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  194.504725][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  194.504754][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  194.504790][ T5954] usb 3-1: Product: syz
[  194.504813][ T5954] usb 3-1: Manufacturer: syz
[  194.504829][ T5954] usb 3-1: SerialNumber: syz
[  194.510311][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  194.590399][ T5889] usb 2-1: USB disconnect, device number 23
[  194.594830][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  194.614227][ T5954] usb 3-1: config 0 descriptor??
[  194.626756][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  194.626788][   T10] em28xx 1-1:0.89: board has no eeprom
[  194.632555][ T1337] ieee802154 phy0 wpan0: encryption failed: -22
[  194.632666][ T1337] ieee802154 phy1 wpan1: encryption failed: -22
[  194.665470][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  194.665600][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  194.683595][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  194.683825][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  194.732612][ T6115] em28xx 2-1:0.89: Registering V4L2 extension
[  194.777049][ T5958] em28xx 4-1:0.89: Freeing device
[  194.811921][ T6115] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  194.811948][ T6115] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  194.811963][ T6115] em28xx 2-1:0.89: No AC97 audio processor
[  194.871600][ T6115] usb 2-1: Decoder not found
[  194.871622][ T6115] em28xx 2-1:0.89: failed to create media graph
[  194.871651][ T6115] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  194.874585][   T10] usb 1-1: USB disconnect, device number 24
[  194.925030][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  194.961944][ T6115] em28xx 2-1:0.89: Registering snapshot button...
[  195.064855][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  195.076558][ T6115] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input93
[  195.078563][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  195.078592][ T5954] em28xx 3-1:0.89: board has no eeprom
[  195.133080][ T6115] em28xx 2-1:0.89: Remote control support is not available for this card.
[  195.133968][ T6111] em28xx 1-1:0.89: Registering V4L2 extension
[  195.139697][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  195.139777][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  195.197574][ T5954] usb 3-1: USB disconnect, device number 25
[  195.224729][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  195.249790][ T6111] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  195.249817][ T6111] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  195.249832][ T6111] em28xx 1-1:0.89: No AC97 audio processor
[  195.262385][ T5958] usb 4-1: new high-speed USB device number 25 using dummy_hcd
[  195.280114][ T6111] usb 1-1: Decoder not found
[  195.280187][ T6111] em28xx 1-1:0.89: failed to create media graph
[  195.280294][ T6111] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  195.332111][ T6111] em28xx 1-1:0.89: Registering snapshot button...
[  195.357367][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input94
[  195.374393][ T6111] em28xx 1-1:0.89: Remote control support is not available for this card.
[  195.375128][ T5889] em28xx 2-1:0.89: Closing input extension
[  195.375156][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  195.429493][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  195.431890][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  195.431918][ T5958] usb 4-1: config 0 has no interface number 0
[  195.431963][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  195.431986][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  195.435130][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  195.435163][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  195.435184][ T5958] usb 4-1: Product: syz
[  195.435194][ T5958] usb 4-1: Manufacturer: syz
[  195.435205][ T5958] usb 4-1: SerialNumber: syz
[  195.505710][ T5958] usb 4-1: config 0 descriptor??
[  195.522237][ T6081] em28xx 3-1:0.89: Registering V4L2 extension
[  195.548081][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  195.548117][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  195.617032][ T6081] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  195.617060][ T6081] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  195.617075][ T6081] em28xx 3-1:0.89: No AC97 audio processor
[  195.647210][ T6081] usb 3-1: Decoder not found
[  195.647233][ T6081] em28xx 3-1:0.89: failed to create media graph
[  195.647264][ T6081] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  195.701420][ T6081] em28xx 3-1:0.89: Registering snapshot button...
[  195.706945][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input95
[  195.742793][ T6081] em28xx 3-1:0.89: Remote control support is not available for this card.
[  195.742871][   T10] em28xx 1-1:0.89: Closing input extension
[  195.742895][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  195.782454][ T5889] em28xx 2-1:0.89: Freeing device
[  195.802175][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  195.861457][ T5954] em28xx 3-1:0.89: Closing input extension
[  195.861485][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  195.886294][   T10] em28xx 1-1:0.89: Freeing device
[  195.906957][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  195.906986][ T5958] em28xx 4-1:0.89: board has no eeprom
[  195.992053][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  195.992084][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  195.993528][   T38] em28xx 4-1:0.89: Registering V4L2 extension
[  196.051832][ T5954] em28xx 3-1:0.89: Freeing device
[  196.097302][ T5958] usb 4-1: USB disconnect, device number 25
[  196.116406][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  196.150463][ T5889] usb 2-1: new high-speed USB device number 24 using dummy_hcd
[  196.192971][   T38] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  196.192998][   T38] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  196.193014][   T38] em28xx 4-1:0.89: No AC97 audio processor
[  196.198720][   T38] usb 4-1: Decoder not found
[  196.198742][   T38] em28xx 4-1:0.89: failed to create media graph
[  196.198775][   T38] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  196.221778][   T38] em28xx 4-1:0.89: Registering snapshot button...
[  196.229039][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input96
[  196.229402][   T10] usb 1-1: new high-speed USB device number 25 using dummy_hcd
[  196.235107][   T38] em28xx 4-1:0.89: Remote control support is not available for this card.
[  196.235481][ T5958] em28xx 4-1:0.89: Closing input extension
[  196.235531][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  196.309356][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  196.313595][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  196.313625][ T5889] usb 2-1: config 0 has no interface number 0
[  196.313679][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  196.313709][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  196.375373][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  196.375397][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  196.375412][ T5889] usb 2-1: Product: syz
[  196.375423][ T5889] usb 2-1: Manufacturer: syz
[  196.375434][ T5889] usb 2-1: SerialNumber: syz
[  196.389373][   T10] usb 1-1: Using ep0 maxpacket: 32
[  196.419438][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  196.419467][   T10] usb 1-1: config 0 has no interface number 0
[  196.419514][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  196.419539][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  196.419732][ T5954] usb 3-1: new high-speed USB device number 26 using dummy_hcd
[  196.447361][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  196.447394][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  196.447416][   T10] usb 1-1: Product: syz
[  196.447431][   T10] usb 1-1: Manufacturer: syz
[  196.447446][   T10] usb 1-1: SerialNumber: syz
[  196.569426][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  196.585041][ T5889] usb 2-1: config 0 descriptor??
[  196.591594][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  196.591622][ T5954] usb 3-1: config 0 has no interface number 0
[  196.591666][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  196.591690][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  196.607823][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  196.607856][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  196.607878][ T5954] usb 3-1: Product: syz
[  196.607893][ T5954] usb 3-1: Manufacturer: syz
[  196.607916][ T5954] usb 3-1: SerialNumber: syz
[  196.683603][   T10] usb 1-1: config 0 descriptor??
[  196.684294][ T5954] usb 3-1: config 0 descriptor??
[  196.711398][ T5958] em28xx 4-1:0.89: Freeing device
[  196.737454][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  196.737498][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  196.843589][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  196.843636][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  196.844051][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  196.844080][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  196.916011][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  196.965549][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  197.032895][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  197.032928][ T5889] em28xx 2-1:0.89: board has no eeprom
[  197.055053][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  197.055083][   T10] em28xx 1-1:0.89: board has no eeprom
[  197.075601][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  197.090901][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  197.090923][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  197.091934][ T1260] em28xx 2-1:0.89: Registering V4L2 extension
[  197.119403][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  197.119431][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  197.142454][ T5889] usb 2-1: USB disconnect, device number 24
[  197.174960][   T10] usb 1-1: USB disconnect, device number 25
[  197.177883][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  197.177915][ T5954] em28xx 3-1:0.89: board has no eeprom
[  197.247371][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  197.256701][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  197.280240][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  197.280271][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  197.281879][ T1260] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  197.281902][ T1260] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  197.281914][ T1260] em28xx 2-1:0.89: No AC97 audio processor
[  197.285992][ T1260] usb 2-1: Decoder not found
[  197.286012][ T1260] em28xx 2-1:0.89: failed to create media graph
[  197.286045][ T1260] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  197.322416][ T1260] em28xx 2-1:0.89: Registering snapshot button...
[  197.351284][ T5958] usb 4-1: new high-speed USB device number 26 using dummy_hcd
[  197.355874][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input97
[  197.371201][ T1260] em28xx 2-1:0.89: Remote control support is not available for this card.
[  197.395883][ T6111] em28xx 1-1:0.89: Registering V4L2 extension
[  197.403170][ T5954] usb 3-1: USB disconnect, device number 26
[  197.411872][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
2026/04/21 13:28:26 executed programs: 106
[  197.530045][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  197.534239][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  197.534268][ T5958] usb 4-1: config 0 has no interface number 0
[  197.534314][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  197.534344][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  197.541326][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  197.541415][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  197.541473][ T5958] usb 4-1: Product: syz
[  197.541516][ T5958] usb 4-1: Manufacturer: syz
[  197.541561][ T5958] usb 4-1: SerialNumber: syz
[  197.627873][ T5958] usb 4-1: config 0 descriptor??
[  197.650322][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  197.650360][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  197.707221][ T6111] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  197.707248][ T6111] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  197.707263][ T6111] em28xx 1-1:0.89: No AC97 audio processor
[  197.734639][ T6111] usb 1-1: Decoder not found
[  197.734662][ T6111] em28xx 1-1:0.89: failed to create media graph
[  197.734700][ T6111] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  197.813535][ T6111] em28xx 1-1:0.89: Registering snapshot button...
[  197.815980][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input98
[  197.863603][ T6111] em28xx 1-1:0.89: Remote control support is not available for this card.
[  197.863703][ T6081] em28xx 3-1:0.89: Registering V4L2 extension
[  197.909776][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  197.944577][ T6081] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  197.944597][ T6081] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  197.944607][ T6081] em28xx 3-1:0.89: No AC97 audio processor
[  197.946655][ T6081] usb 3-1: Decoder not found
[  197.946670][ T6081] em28xx 3-1:0.89: failed to create media graph
[  197.946691][ T6081] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  197.949126][ T6081] em28xx 3-1:0.89: Registering snapshot button...
[  198.004231][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input99
[  198.007752][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  198.007783][ T5958] em28xx 4-1:0.89: board has no eeprom
[  198.008829][ T6081] em28xx 3-1:0.89: Remote control support is not available for this card.
[  198.008900][ T5889] em28xx 2-1:0.89: Closing input extension
[  198.008926][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  198.059412][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  198.059440][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  198.102393][ T5958] usb 4-1: USB disconnect, device number 26
[  198.104748][   T10] em28xx 1-1:0.89: Closing input extension
[  198.104775][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  198.113968][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  198.142196][ T5889] em28xx 2-1:0.89: Freeing device
[  198.193851][ T5954] em28xx 3-1:0.89: Closing input extension
[  198.193880][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  198.236326][   T10] em28xx 1-1:0.89: Freeing device
[  198.294541][ T1260] em28xx 4-1:0.89: Registering V4L2 extension
[  198.363513][ T5954] em28xx 3-1:0.89: Freeing device
[  198.425429][ T1260] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  198.425454][ T1260] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  198.425465][ T1260] em28xx 4-1:0.89: No AC97 audio processor
[  198.446033][ T1260] usb 4-1: Decoder not found
[  198.446054][ T1260] em28xx 4-1:0.89: failed to create media graph
[  198.446084][ T1260] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  198.462566][ T5889] usb 2-1: new high-speed USB device number 25 using dummy_hcd
[  198.490372][ T1260] em28xx 4-1:0.89: Registering snapshot button...
[  198.511589][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input100
[  198.516126][ T1260] em28xx 4-1:0.89: Remote control support is not available for this card.
[  198.517402][ T5958] em28xx 4-1:0.89: Closing input extension
[  198.517432][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  198.609532][   T10] usb 1-1: new high-speed USB device number 26 using dummy_hcd
[  198.620030][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  198.638042][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  198.638072][ T5889] usb 2-1: config 0 has no interface number 0
[  198.638120][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  198.638145][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  198.677324][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  198.677357][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  198.677379][ T5889] usb 2-1: Product: syz
[  198.677394][ T5889] usb 2-1: Manufacturer: syz
[  198.677409][ T5889] usb 2-1: SerialNumber: syz
[  198.719577][ T5954] usb 3-1: new high-speed USB device number 27 using dummy_hcd
[  198.745480][ T5889] usb 2-1: config 0 descriptor??
[  198.747637][ T5958] em28xx 4-1:0.89: Freeing device
[  198.779394][   T10] usb 1-1: Using ep0 maxpacket: 32
[  198.782668][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  198.782697][   T10] usb 1-1: config 0 has no interface number 0
[  198.782745][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  198.782769][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  198.788195][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  198.788228][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  198.832589][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  198.832622][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  198.832644][   T10] usb 1-1: Product: syz
[  198.832659][   T10] usb 1-1: Manufacturer: syz
[  198.832675][   T10] usb 1-1: SerialNumber: syz
[  198.889940][   T10] usb 1-1: config 0 descriptor??
[  198.911008][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  198.911043][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  198.961077][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  198.965860][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  198.965888][ T5954] usb 3-1: config 0 has no interface number 0
[  198.965937][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  198.966186][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  199.031630][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  199.031799][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  199.031826][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  199.031910][ T5954] usb 3-1: Product: syz
[  199.031926][ T5954] usb 3-1: Manufacturer: syz
[  199.031942][ T5954] usb 3-1: SerialNumber: syz
[  199.121037][ T5954] usb 3-1: config 0 descriptor??
[  199.156752][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  199.156790][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  199.174628][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  199.174691][ T5889] em28xx 2-1:0.89: board has no eeprom
[  199.190044][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  199.241449][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  199.241477][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  199.244185][ T1260] em28xx 2-1:0.89: Registering V4L2 extension
[  199.281014][ T5889] usb 2-1: USB disconnect, device number 25
[  199.283651][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  199.311079][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  199.311168][   T10] em28xx 1-1:0.89: board has no eeprom
[  199.371906][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  199.371937][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  199.372269][ T5958] usb 4-1: new high-speed USB device number 27 using dummy_hcd
[  199.406744][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  199.429551][   T10] usb 1-1: USB disconnect, device number 26
[  199.434485][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  199.479991][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  199.480023][ T5954] em28xx 3-1:0.89: board has no eeprom
[  199.485360][ T1260] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  199.485380][ T1260] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  199.485391][ T1260] em28xx 2-1:0.89: No AC97 audio processor
[  199.488702][ T1260] usb 2-1: Decoder not found
[  199.488720][ T1260] em28xx 2-1:0.89: failed to create media graph
[  199.488751][ T1260] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  199.543097][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  199.551574][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  199.551828][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  199.558229][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  199.558257][ T5958] usb 4-1: config 0 has no interface number 0
[  199.558302][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  199.558326][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  199.611777][ T1260] em28xx 2-1:0.89: Registering snapshot button...
[  199.635384][ T5954] usb 3-1: USB disconnect, device number 27
[  199.653829][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  199.690999][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  199.691029][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  199.691044][ T5958] usb 4-1: Product: syz
[  199.691055][ T5958] usb 4-1: Manufacturer: syz
[  199.691066][ T5958] usb 4-1: SerialNumber: syz
[  199.734011][ T5958] usb 4-1: config 0 descriptor??
[  199.760852][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  199.760890][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  199.761908][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input101
[  199.839048][ T1260] em28xx 2-1:0.89: Remote control support is not available for this card.
[  199.839116][ T6081] em28xx 1-1:0.89: Registering V4L2 extension
[  199.964280][ T6081] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  199.964319][ T6081] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  199.964334][ T6081] em28xx 1-1:0.89: No AC97 audio processor
[  199.967546][ T6081] usb 1-1: Decoder not found
[  199.967567][ T6081] em28xx 1-1:0.89: failed to create media graph
[  199.967601][ T6081] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  200.003674][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  200.021281][ T6081] em28xx 1-1:0.89: Registering snapshot button...
[  200.026002][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input102
[  200.028194][ T6081] em28xx 1-1:0.89: Remote control support is not available for this card.
[  200.028251][    T9] em28xx 3-1:0.89: Registering V4L2 extension
[  200.094588][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  200.094622][ T5958] em28xx 4-1:0.89: board has no eeprom
[  200.136615][    T9] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  200.136640][    T9] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  200.136655][    T9] em28xx 3-1:0.89: No AC97 audio processor
[  200.161473][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  200.161510][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  200.164730][    T9] usb 3-1: Decoder not found
[  200.164750][    T9] em28xx 3-1:0.89: failed to create media graph
[  200.164783][    T9] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  200.204196][    T9] em28xx 3-1:0.89: Registering snapshot button...
[  200.219915][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input103
[  200.222112][ T5958] usb 4-1: USB disconnect, device number 27
[  200.222409][    T9] em28xx 3-1:0.89: Remote control support is not available for this card.
[  200.223562][ T5889] em28xx 2-1:0.89: Closing input extension
[  200.223580][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  200.275927][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  200.303801][   T10] em28xx 1-1:0.89: Closing input extension
[  200.303830][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  200.309211][ T5889] em28xx 2-1:0.89: Freeing device
[  200.385810][ T1260] em28xx 4-1:0.89: Registering V4L2 extension
[  200.404975][   T10] em28xx 1-1:0.89: Freeing device
[  200.524926][ T1260] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  200.524950][ T1260] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  200.524965][ T1260] em28xx 4-1:0.89: No AC97 audio processor
[  200.556926][ T1260] usb 4-1: Decoder not found
[  200.556948][ T1260] em28xx 4-1:0.89: failed to create media graph
[  200.556980][ T1260] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  200.575163][ T1260] em28xx 4-1:0.89: Registering snapshot button...
[  200.592819][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input104
[  200.597204][ T1260] em28xx 4-1:0.89: Remote control support is not available for this card.
[  200.598013][ T5954] em28xx 3-1:0.89: Closing input extension
[  200.598040][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  200.649467][ T5889] usb 2-1: new high-speed USB device number 26 using dummy_hcd
[  200.693011][ T5958] em28xx 4-1:0.89: Closing input extension
[  200.693040][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  200.719950][   T10] usb 1-1: new high-speed USB device number 27 using dummy_hcd
[  200.753233][ T5954] em28xx 3-1:0.89: Freeing device
[  200.809409][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  200.811257][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  200.811285][ T5889] usb 2-1: config 0 has no interface number 0
[  200.811326][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  200.811344][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  200.862753][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  200.862780][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  200.862795][ T5889] usb 2-1: Product: syz
[  200.862806][ T5889] usb 2-1: Manufacturer: syz
[  200.862816][ T5889] usb 2-1: SerialNumber: syz
[  200.869454][   T10] usb 1-1: Using ep0 maxpacket: 32
[  200.908174][ T5958] em28xx 4-1:0.89: Freeing device
[  200.914753][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  200.914782][   T10] usb 1-1: config 0 has no interface number 0
[  200.914826][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  200.914851][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  200.918929][ T5889] usb 2-1: config 0 descriptor??
[  200.964078][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  200.964109][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  200.964130][   T10] usb 1-1: Product: syz
[  200.964144][   T10] usb 1-1: Manufacturer: syz
[  200.964159][   T10] usb 1-1: SerialNumber: syz
[  201.039927][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  201.039964][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  201.088419][   T10] usb 1-1: config 0 descriptor??
[  201.101125][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  201.101182][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  201.130097][ T5954] usb 3-1: new high-speed USB device number 28 using dummy_hcd
[  201.250346][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  201.336332][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  201.336365][ T5889] em28xx 2-1:0.89: board has no eeprom
[  201.349910][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  201.360125][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  201.363825][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  201.363855][ T5954] usb 3-1: config 0 has no interface number 0
[  201.363904][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  201.363928][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  201.367594][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  201.367626][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  201.367647][ T5954] usb 3-1: Product: syz
[  201.367666][ T5954] usb 3-1: Manufacturer: syz
[  201.367682][ T5954] usb 3-1: SerialNumber: syz
[  201.389499][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  201.389578][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  201.423524][   T38] em28xx 2-1:0.89: Registering V4L2 extension
[  201.479550][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  201.479582][   T10] em28xx 1-1:0.89: board has no eeprom
[  201.483165][ T5954] usb 3-1: config 0 descriptor??
[  201.498257][ T5889] usb 2-1: USB disconnect, device number 26
[  201.534837][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  201.546049][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  201.546077][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  201.564314][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  201.564355][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  201.607836][   T10] usb 1-1: USB disconnect, device number 27
[  201.627413][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  201.661019][ T5958] usb 4-1: new high-speed USB device number 28 using dummy_hcd
[  201.709422][   T38] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  201.709447][   T38] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  201.709461][   T38] em28xx 2-1:0.89: No AC97 audio processor
[  201.715204][   T38] usb 2-1: Decoder not found
[  201.715225][   T38] em28xx 2-1:0.89: failed to create media graph
[  201.715258][   T38] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  201.726274][   T38] em28xx 2-1:0.89: Registering snapshot button...
[  201.778888][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input105
[  201.796904][   T38] em28xx 2-1:0.89: Remote control support is not available for this card.
[  201.798298][ T6081] em28xx 1-1:0.89: Registering V4L2 extension
[  201.819958][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  201.839643][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  201.841925][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  201.841953][ T5958] usb 4-1: config 0 has no interface number 0
[  201.842000][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  201.842024][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  201.845070][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  201.845101][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  201.845133][ T5958] usb 4-1: Product: syz
[  201.845148][ T5958] usb 4-1: Manufacturer: syz
[  201.845164][ T5958] usb 4-1: SerialNumber: syz
[  201.900786][ T5958] usb 4-1: config 0 descriptor??
[  201.939758][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  201.939791][ T5954] em28xx 3-1:0.89: board has no eeprom
[  202.000419][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  202.000448][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  202.003723][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  202.003758][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  202.058718][ T5954] usb 3-1: USB disconnect, device number 28
[  202.067826][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  202.081937][ T6081] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  202.081962][ T6081] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  202.081977][ T6081] em28xx 1-1:0.89: No AC97 audio processor
[  202.084647][ T6081] usb 1-1: Decoder not found
[  202.084666][ T6081] em28xx 1-1:0.89: failed to create media graph
[  202.084699][ T6081] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  202.134241][ T6081] em28xx 1-1:0.89: Registering snapshot button...
[  202.150066][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input106
[  202.172614][ T6081] em28xx 1-1:0.89: Remote control support is not available for this card.
[  202.172693][ T5889] em28xx 2-1:0.89: Closing input extension
[  202.172720][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  202.279963][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  202.316417][    T9] em28xx 3-1:0.89: Registering V4L2 extension
[  202.341643][ T5889] em28xx 2-1:0.89: Freeing device
[  202.391129][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  202.391152][ T5958] em28xx 4-1:0.89: board has no eeprom
[  202.449392][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  202.449437][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  202.453173][    T9] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  202.453201][    T9] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  202.453216][    T9] em28xx 3-1:0.89: No AC97 audio processor
[  202.458164][    T9] usb 3-1: Decoder not found
[  202.458185][    T9] em28xx 3-1:0.89: failed to create media graph
[  202.458218][    T9] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  202.522840][    T9] em28xx 3-1:0.89: Registering snapshot button...
[  202.523293][ T5958] usb 4-1: USB disconnect, device number 28
[  202.544545][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  202.548053][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input107
[  202.566438][    T9] em28xx 3-1:0.89: Remote control support is not available for this card.
[  202.566501][   T10] em28xx 1-1:0.89: Closing input extension
[  202.566524][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  202.641722][ T6115] em28xx 4-1:0.89: Registering V4L2 extension
[  202.660923][   T10] em28xx 1-1:0.89: Freeing device
[  202.681009][ T5889] usb 2-1: new high-speed USB device number 27 using dummy_hcd
2026/04/21 13:28:31 executed programs: 117
[  202.741299][ T6115] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  202.741326][ T6115] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  202.741342][ T6115] em28xx 4-1:0.89: No AC97 audio processor
[  202.745554][ T6115] usb 4-1: Decoder not found
[  202.745579][ T6115] em28xx 4-1:0.89: failed to create media graph
[  202.745612][ T6115] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  202.798669][ T6115] em28xx 4-1:0.89: Registering snapshot button...
[  202.810940][ T6115] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input108
[  202.818052][ T6115] em28xx 4-1:0.89: Remote control support is not available for this card.
[  202.818788][ T5954] em28xx 3-1:0.89: Closing input extension
[  202.818814][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  202.854264][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  202.856967][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  202.856994][ T5889] usb 2-1: config 0 has no interface number 0
[  202.857040][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  202.857065][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  202.907776][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  202.907807][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  202.907828][ T5889] usb 2-1: Product: syz
[  202.907843][ T5889] usb 2-1: Manufacturer: syz
[  202.907858][ T5889] usb 2-1: SerialNumber: syz
[  202.955654][ T5889] usb 2-1: config 0 descriptor??
[  202.969201][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  202.971002][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  202.975610][ T5958] em28xx 4-1:0.89: Closing input extension
[  202.975636][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  203.016435][ T5954] em28xx 3-1:0.89: Freeing device
[  203.029452][   T10] usb 1-1: new high-speed USB device number 28 using dummy_hcd
[  203.175136][ T5958] em28xx 4-1:0.89: Freeing device
[  203.189795][   T10] usb 1-1: Using ep0 maxpacket: 32
[  203.207726][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  203.207758][   T10] usb 1-1: config 0 has no interface number 0
[  203.207804][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  203.207829][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  203.222964][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  203.252538][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  203.252571][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  203.252593][   T10] usb 1-1: Product: syz
[  203.252609][   T10] usb 1-1: Manufacturer: syz
[  203.252625][   T10] usb 1-1: SerialNumber: syz
[  203.296196][   T10] usb 1-1: config 0 descriptor??
[  203.315647][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  203.315690][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  203.344452][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  203.344488][ T5889] em28xx 2-1:0.89: board has no eeprom
[  203.349864][ T5954] usb 3-1: new high-speed USB device number 29 using dummy_hcd
[  203.399526][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  203.399556][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  203.399941][ T6115] em28xx 2-1:0.89: Registering V4L2 extension
[  203.450140][ T5889] usb 2-1: USB disconnect, device number 27
[  203.469893][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  203.519405][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  203.521227][ T5958] usb 4-1: new high-speed USB device number 29 using dummy_hcd
[  203.522957][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  203.522983][ T5954] usb 3-1: config 0 has no interface number 0
[  203.523029][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  203.523054][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  203.529012][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  203.529042][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  203.529063][ T5954] usb 3-1: Product: syz
[  203.529078][ T5954] usb 3-1: Manufacturer: syz
[  203.529093][ T5954] usb 3-1: SerialNumber: syz
[  203.606244][ T6115] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  203.606326][ T6115] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  203.606369][ T6115] em28xx 2-1:0.89: No AC97 audio processor
[  203.619444][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  203.641562][ T6115] usb 2-1: Decoder not found
[  203.641589][ T6115] em28xx 2-1:0.89: failed to create media graph
[  203.641621][ T6115] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  203.644532][ T5954] usb 3-1: config 0 descriptor??
[  203.648318][ T6115] em28xx 2-1:0.89: Registering snapshot button...
[  203.682354][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  203.682390][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  203.682391][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  203.690005][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  203.690035][ T5958] usb 4-1: config 0 has no interface number 0
[  203.690143][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  203.690176][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  203.754169][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  203.754202][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  203.754224][ T5958] usb 4-1: Product: syz
[  203.754239][ T5958] usb 4-1: Manufacturer: syz
[  203.754255][ T5958] usb 4-1: SerialNumber: syz
[  203.756493][ T6115] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input109
[  203.811143][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  203.811246][   T10] em28xx 1-1:0.89: board has no eeprom
[  203.843496][ T6115] em28xx 2-1:0.89: Remote control support is not available for this card.
[  203.846980][ T5958] usb 4-1: config 0 descriptor??
[  203.847281][ T5889] em28xx 2-1:0.89: Closing input extension
[  203.847306][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  203.873170][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  203.874925][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  203.912436][   T10] usb 1-1: USB disconnect, device number 28
[  203.928726][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  203.934726][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  203.938396][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  203.950932][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  204.028085][ T6081] em28xx 1-1:0.89: Registering V4L2 extension
[  204.058912][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  204.058945][ T5954] em28xx 3-1:0.89: board has no eeprom
[  204.120294][ T6081] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  204.120317][ T6081] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  204.120330][ T6081] em28xx 1-1:0.89: No AC97 audio processor
[  204.122409][ T6081] usb 1-1: Decoder not found
[  204.122439][ T6081] em28xx 1-1:0.89: failed to create media graph
[  204.122468][ T6081] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  204.124720][ T6081] em28xx 1-1:0.89: Registering snapshot button...
[  204.131765][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  204.131796][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  204.172866][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  204.198638][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input110
[  204.213213][ T6081] em28xx 1-1:0.89: Remote control support is not available for this card.
[  204.213289][    T9] em28xx 3-1:0.89: Registering V4L2 extension
[  204.240246][ T5954] usb 3-1: USB disconnect, device number 29
[  204.291679][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  204.307546][    T9] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  204.307570][    T9] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  204.307586][    T9] em28xx 3-1:0.89: No AC97 audio processor
[  204.336655][ T5889] em28xx 2-1:0.89: Freeing device
[  204.337165][    T9] usb 3-1: Decoder not found
[  204.337182][    T9] em28xx 3-1:0.89: failed to create media graph
[  204.337214][    T9] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  204.342244][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  204.342330][ T5958] em28xx 4-1:0.89: board has no eeprom
[  204.353349][    T9] em28xx 3-1:0.89: Registering snapshot button...
[  204.413367][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  204.413397][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  204.415878][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input111
[  204.470127][    T9] em28xx 3-1:0.89: Remote control support is not available for this card.
[  204.470204][   T10] em28xx 1-1:0.89: Closing input extension
[  204.470227][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  204.565295][ T5958] usb 4-1: USB disconnect, device number 29
[  204.621124][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  204.665615][ T1260] em28xx 4-1:0.89: Registering V4L2 extension
[  204.686216][   T10] em28xx 1-1:0.89: Freeing device
[  204.794407][ T1260] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  204.794434][ T1260] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  204.794450][ T1260] em28xx 4-1:0.89: No AC97 audio processor
[  204.798085][ T1260] usb 4-1: Decoder not found
[  204.798125][ T1260] em28xx 4-1:0.89: failed to create media graph
[  204.798159][ T1260] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  204.856966][ T1260] em28xx 4-1:0.89: Registering snapshot button...
[  204.868307][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input112
[  204.870634][ T5889] usb 2-1: new high-speed USB device number 28 using dummy_hcd
[  204.890357][ T1260] em28xx 4-1:0.89: Remote control support is not available for this card.
[  204.890437][ T5954] em28xx 3-1:0.89: Closing input extension
[  204.890457][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  204.954454][ T5958] em28xx 4-1:0.89: Closing input extension
[  204.954483][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  204.979733][ T5954] em28xx 3-1:0.89: Freeing device
[  205.009460][   T10] usb 1-1: new high-speed USB device number 29 using dummy_hcd
[  205.049469][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  205.064741][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  205.064770][ T5889] usb 2-1: config 0 has no interface number 0
[  205.064818][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  205.064843][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  205.101549][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  205.101578][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  205.101600][ T5889] usb 2-1: Product: syz
[  205.101614][ T5889] usb 2-1: Manufacturer: syz
[  205.101629][ T5889] usb 2-1: SerialNumber: syz
[  205.148539][ T5889] usb 2-1: config 0 descriptor??
[  205.158065][ T5958] em28xx 4-1:0.89: Freeing device
[  205.170506][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  205.170540][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  205.183233][   T10] usb 1-1: Using ep0 maxpacket: 32
[  205.198092][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  205.198122][   T10] usb 1-1: config 0 has no interface number 0
[  205.198169][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  205.198195][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  205.238315][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  205.238349][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  205.238370][   T10] usb 1-1: Product: syz
[  205.238391][   T10] usb 1-1: Manufacturer: syz
[  205.238406][   T10] usb 1-1: SerialNumber: syz
[  205.283375][   T10] usb 1-1: config 0 descriptor??
[  205.300174][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  205.300213][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  205.329480][ T5954] usb 3-1: new high-speed USB device number 30 using dummy_hcd
[  205.439886][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  205.502126][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  205.527771][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  205.527799][ T5954] usb 3-1: config 0 has no interface number 0
[  205.527851][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  205.527876][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  205.529778][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  205.529858][ T5889] em28xx 2-1:0.89: board has no eeprom
[  205.569911][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  205.590831][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  205.590865][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  205.591024][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  205.591051][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  205.591071][ T5954] usb 3-1: Product: syz
[  205.591086][ T5954] usb 3-1: Manufacturer: syz
[  205.591100][ T5954] usb 3-1: SerialNumber: syz
[  205.592367][   T38] em28xx 2-1:0.89: Registering V4L2 extension
[  205.671025][ T5954] usb 3-1: config 0 descriptor??
[  205.672757][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  205.672782][   T10] em28xx 1-1:0.89: board has no eeprom
[  205.698846][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  205.698882][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  205.729440][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  205.729577][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  205.750973][ T5958] usb 4-1: new high-speed USB device number 30 using dummy_hcd
[  205.769193][   T10] usb 1-1: USB disconnect, device number 29
[  205.770312][ T5889] usb 2-1: USB disconnect, device number 28
[  205.814946][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  205.830397][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  205.852681][   T38] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  205.852709][   T38] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  205.852724][   T38] em28xx 2-1:0.89: No AC97 audio processor
[  205.856810][   T38] usb 2-1: Decoder not found
[  205.856830][   T38] em28xx 2-1:0.89: failed to create media graph
[  205.856872][   T38] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  205.864753][   T38] em28xx 2-1:0.89: Registering snapshot button...
[  205.920637][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input113
[  205.924675][   T38] em28xx 2-1:0.89: Remote control support is not available for this card.
[  205.924753][    T9] em28xx 1-1:0.89: Registering V4L2 extension
[  205.949406][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  205.963779][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  205.963808][ T5958] usb 4-1: config 0 has no interface number 0
[  205.963856][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  205.963880][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  205.967651][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  205.967690][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  205.967712][ T5958] usb 4-1: Product: syz
[  205.967727][ T5958] usb 4-1: Manufacturer: syz
[  205.967741][ T5958] usb 4-1: SerialNumber: syz
[  205.969827][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  206.066805][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  206.066836][ T5954] em28xx 3-1:0.89: board has no eeprom
[  206.075071][ T5958] usb 4-1: config 0 descriptor??
[  206.142294][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  206.142332][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  206.142599][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  206.142622][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  206.190597][ T5954] usb 3-1: USB disconnect, device number 30
[  206.210317][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  206.280220][    T9] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  206.280245][    T9] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  206.280259][    T9] em28xx 1-1:0.89: No AC97 audio processor
[  206.310931][    T9] usb 1-1: Decoder not found
[  206.310952][    T9] em28xx 1-1:0.89: failed to create media graph
[  206.310987][    T9] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  206.348963][    T9] em28xx 1-1:0.89: Registering snapshot button...
[  206.369075][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input114
[  206.382069][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  206.391363][    T9] em28xx 1-1:0.89: Remote control support is not available for this card.
[  206.391803][ T5889] em28xx 2-1:0.89: Closing input extension
[  206.391829][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  206.465921][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  206.465954][ T5958] em28xx 4-1:0.89: board has no eeprom
[  206.501840][ T6111] em28xx 3-1:0.89: Registering V4L2 extension
[  206.517352][ T5889] em28xx 2-1:0.89: Freeing device
[  206.529422][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  206.529452][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  206.578530][ T5958] usb 4-1: USB disconnect, device number 30
[  206.604416][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  206.621153][ T6111] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  206.621181][ T6111] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  206.621197][ T6111] em28xx 3-1:0.89: No AC97 audio processor
[  206.627113][ T6111] usb 3-1: Decoder not found
[  206.627134][ T6111] em28xx 3-1:0.89: failed to create media graph
[  206.627167][ T6111] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  206.672979][ T6111] em28xx 3-1:0.89: Registering snapshot button...
[  206.675646][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input115
[  206.697240][ T6111] em28xx 3-1:0.89: Remote control support is not available for this card.
[  206.697319][   T10] em28xx 1-1:0.89: Closing input extension
[  206.697342][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  206.754866][   T38] em28xx 4-1:0.89: Registering V4L2 extension
[  206.774295][   T10] em28xx 1-1:0.89: Freeing device
[  206.859720][   T38] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  206.859744][   T38] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  206.859760][   T38] em28xx 4-1:0.89: No AC97 audio processor
[  206.882064][   T38] usb 4-1: Decoder not found
[  206.882085][   T38] em28xx 4-1:0.89: failed to create media graph
[  206.882118][   T38] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  206.886595][   T38] em28xx 4-1:0.89: Registering snapshot button...
[  206.900423][ T5889] usb 2-1: new high-speed USB device number 29 using dummy_hcd
[  206.905626][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input116
[  206.933459][   T38] em28xx 4-1:0.89: Remote control support is not available for this card.
[  206.933532][ T5954] em28xx 3-1:0.89: Closing input extension
[  206.933557][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  207.017237][ T5958] em28xx 4-1:0.89: Closing input extension
[  207.017266][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  207.047888][ T5954] em28xx 3-1:0.89: Freeing device
[  207.063468][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  207.067690][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  207.067719][ T5889] usb 2-1: config 0 has no interface number 0
[  207.067766][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  207.067792][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  207.100358][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  207.100452][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  207.100517][ T5889] usb 2-1: Product: syz
[  207.100553][ T5889] usb 2-1: Manufacturer: syz
[  207.100597][ T5889] usb 2-1: SerialNumber: syz
[  207.190751][ T5889] usb 2-1: config 0 descriptor??
[  207.199872][   T10] usb 1-1: new high-speed USB device number 30 using dummy_hcd
[  207.229164][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  207.229195][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  207.269000][ T5958] em28xx 4-1:0.89: Freeing device
[  207.350113][   T10] usb 1-1: Using ep0 maxpacket: 32
[  207.371813][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  207.371841][   T10] usb 1-1: config 0 has no interface number 0
[  207.371887][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  207.371911][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  207.430464][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  207.430497][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  207.430518][   T10] usb 1-1: Product: syz
[  207.430534][   T10] usb 1-1: Manufacturer: syz
[  207.430549][   T10] usb 1-1: SerialNumber: syz
[  207.491717][ T5954] usb 3-1: new high-speed USB device number 31 using dummy_hcd
[  207.522954][   T10] usb 1-1: config 0 descriptor??
[  207.528998][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  207.529032][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  207.544730][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  207.628493][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  207.628526][ T5889] em28xx 2-1:0.89: board has no eeprom
[  207.639471][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  207.654612][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  207.654642][ T5954] usb 3-1: config 0 has no interface number 0
[  207.654689][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  207.654782][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  207.690425][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  207.690459][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  207.692358][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  207.692478][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  207.692504][ T5954] usb 3-1: Product: syz
[  207.692522][ T5954] usb 3-1: Manufacturer: syz
[  207.692539][ T5954] usb 3-1: SerialNumber: syz
[  207.692630][ T6115] em28xx 2-1:0.89: Registering V4L2 extension
[  207.768865][ T5889] usb 2-1: USB disconnect, device number 29
[  207.789530][ T5954] usb 3-1: config 0 descriptor??
[  207.791402][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  207.800911][ T5958] usb 4-1: new high-speed USB device number 31 using dummy_hcd
[  207.819750][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  207.828162][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  207.828199][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  207.892739][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  207.892771][   T10] em28xx 1-1:0.89: board has no eeprom
[  207.936442][ T6115] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  207.936472][ T6115] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  207.936483][ T6115] em28xx 2-1:0.89: No AC97 audio processor
[  207.938906][ T6115] usb 2-1: Decoder not found
[  207.938924][ T6115] em28xx 2-1:0.89: failed to create media graph
[  207.938956][ T6115] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  207.951548][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  207.951575][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  207.954017][ T6115] em28xx 2-1:0.89: Registering snapshot button...
[  207.958352][ T6115] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input117
[  207.959404][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  207.973386][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  207.973442][ T5958] usb 4-1: config 0 has no interface number 0
[  207.973520][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  207.973546][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  207.990129][ T6115] em28xx 2-1:0.89: Remote control support is not available for this card.
[  207.990291][ T5889] em28xx 2-1:0.89: Closing input extension
[  207.990321][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  207.998838][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  207.998877][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  207.998899][ T5958] usb 4-1: Product: syz
[  207.998930][ T5958] usb 4-1: Manufacturer: syz
[  207.998974][ T5958] usb 4-1: SerialNumber: syz
2026/04/21 13:28:37 executed programs: 126
[  208.128143][ T5958] usb 4-1: config 0 descriptor??
[  208.146767][   T10] usb 1-1: USB disconnect, device number 30
[  208.166056][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  208.168528][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  208.180100][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  208.180234][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  208.243268][    T9] em28xx 1-1:0.89: Registering V4L2 extension
[  208.244995][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  208.245024][ T5954] em28xx 3-1:0.89: board has no eeprom
[  208.299513][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  208.299544][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  208.370272][ T5889] em28xx 2-1:0.89: Freeing device
[  208.370472][ T5954] usb 3-1: USB disconnect, device number 31
[  208.399085][    T9] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  208.399111][    T9] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  208.399126][    T9] em28xx 1-1:0.89: No AC97 audio processor
[  208.402280][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  208.431471][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  208.434089][    T9] usb 1-1: Decoder not found
[  208.434108][    T9] em28xx 1-1:0.89: failed to create media graph
[  208.434138][    T9] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  208.481332][    T9] em28xx 1-1:0.89: Registering snapshot button...
[  208.548062][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input118
[  208.563956][    T9] em28xx 1-1:0.89: Remote control support is not available for this card.
[  208.564013][ T6111] em28xx 3-1:0.89: Registering V4L2 extension
[  208.564615][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  208.564636][ T5958] em28xx 4-1:0.89: board has no eeprom
[  208.630573][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  208.630603][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  208.675298][ T6111] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  208.675323][ T6111] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  208.675338][ T6111] em28xx 3-1:0.89: No AC97 audio processor
[  208.735619][ T6111] usb 3-1: Decoder not found
[  208.735680][ T6111] em28xx 3-1:0.89: failed to create media graph
[  208.735713][ T6111] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  208.763211][ T6111] em28xx 3-1:0.89: Registering snapshot button...
[  208.787364][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input119
[  208.802088][ T6111] em28xx 3-1:0.89: Remote control support is not available for this card.
[  208.802157][   T10] em28xx 1-1:0.89: Closing input extension
[  208.802184][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  208.806127][ T5958] usb 4-1: USB disconnect, device number 31
[  208.829521][ T5889] usb 2-1: new high-speed USB device number 30 using dummy_hcd
[  208.853099][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  208.896421][   T38] em28xx 4-1:0.89: Registering V4L2 extension
[  208.921449][   T10] em28xx 1-1:0.89: Freeing device
[  209.020567][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  209.046337][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  209.046369][ T5889] usb 2-1: config 0 has no interface number 0
[  209.046415][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  209.046438][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  209.048859][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  209.048888][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  209.048908][ T5889] usb 2-1: Product: syz
[  209.048923][ T5889] usb 2-1: Manufacturer: syz
[  209.048937][ T5889] usb 2-1: SerialNumber: syz
[  209.077160][   T38] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  209.077237][   T38] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  209.077288][   T38] em28xx 4-1:0.89: No AC97 audio processor
[  209.092535][   T38] usb 4-1: Decoder not found
[  209.092627][   T38] em28xx 4-1:0.89: failed to create media graph
[  209.092701][   T38] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  209.157234][   T38] em28xx 4-1:0.89: Registering snapshot button...
[  209.179794][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input120
[  209.224296][ T5889] usb 2-1: config 0 descriptor??
[  209.227779][   T38] em28xx 4-1:0.89: Remote control support is not available for this card.
[  209.228070][ T5954] em28xx 3-1:0.89: Closing input extension
[  209.228094][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  209.258999][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  209.259036][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  209.279405][   T10] usb 1-1: new high-speed USB device number 31 using dummy_hcd
[  209.313714][ T5958] em28xx 4-1:0.89: Closing input extension
[  209.313743][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  209.357506][ T5954] em28xx 3-1:0.89: Freeing device
[  209.429415][   T10] usb 1-1: Using ep0 maxpacket: 32
[  209.440701][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  209.440730][   T10] usb 1-1: config 0 has no interface number 0
[  209.440856][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  209.440959][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  209.484400][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  209.484434][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  209.484456][   T10] usb 1-1: Product: syz
[  209.484471][   T10] usb 1-1: Manufacturer: syz
[  209.484487][   T10] usb 1-1: SerialNumber: syz
[  209.557644][   T10] usb 1-1: config 0 descriptor??
[  209.558760][ T5958] em28xx 4-1:0.89: Freeing device
[  209.582639][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  209.583269][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  209.583303][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  209.679532][ T5954] usb 3-1: new high-speed USB device number 32 using dummy_hcd
[  209.696893][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  209.705516][ T5889] em28xx 2-1:0.89: board has no eeprom
[  209.761751][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  209.761781][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  209.762119][   T38] em28xx 2-1:0.89: Registering V4L2 extension
[  209.819859][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  209.835777][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  209.841346][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  209.841375][ T5954] usb 3-1: config 0 has no interface number 0
[  209.841436][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  209.841462][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  209.847807][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  209.847838][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  209.847859][ T5954] usb 3-1: Product: syz
[  209.847873][ T5954] usb 3-1: Manufacturer: syz
[  209.847889][ T5954] usb 3-1: SerialNumber: syz
[  209.929050][ T5954] usb 3-1: config 0 descriptor??
[  209.955617][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  209.955650][   T10] em28xx 1-1:0.89: board has no eeprom
[  209.971580][ T5889] usb 2-1: USB disconnect, device number 30
[  209.980137][ T5958] usb 4-1: new high-speed USB device number 32 using dummy_hcd
[  210.009459][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  210.009490][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  210.016268][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  210.046780][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  210.046816][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  210.069054][   T10] usb 1-1: USB disconnect, device number 31
[  210.094319][   T38] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  210.094358][   T38] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  210.094370][   T38] em28xx 2-1:0.89: No AC97 audio processor
[  210.132525][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  210.133802][   T38] usb 2-1: Decoder not found
[  210.133821][   T38] em28xx 2-1:0.89: failed to create media graph
[  210.133853][   T38] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  210.143053][   T38] em28xx 2-1:0.89: Registering snapshot button...
[  210.185308][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input121
[  210.200169][   T38] em28xx 2-1:0.89: Remote control support is not available for this card.
[  210.202024][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  210.214900][ T6111] em28xx 1-1:0.89: Registering V4L2 extension
[  210.216958][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  210.216985][ T5958] usb 4-1: config 0 has no interface number 0
[  210.217028][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  210.217046][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  210.257380][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  210.266650][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  210.266685][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  210.266700][ T5958] usb 4-1: Product: syz
[  210.266710][ T5958] usb 4-1: Manufacturer: syz
[  210.266720][ T5958] usb 4-1: SerialNumber: syz
[  210.333578][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  210.333610][ T5954] em28xx 3-1:0.89: board has no eeprom
[  210.336671][ T5958] usb 4-1: config 0 descriptor??
[  210.368206][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  210.368252][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  210.389348][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  210.389378][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  210.414957][ T5954] usb 3-1: USB disconnect, device number 32
[  210.433443][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  210.535063][ T6111] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  210.535089][ T6111] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  210.535104][ T6111] em28xx 1-1:0.89: No AC97 audio processor
[  210.537858][ T6111] usb 1-1: Decoder not found
[  210.537878][ T6111] em28xx 1-1:0.89: failed to create media graph
[  210.537912][ T6111] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  210.593504][ T6111] em28xx 1-1:0.89: Registering snapshot button...
[  210.618277][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input122
[  210.645340][ T6111] em28xx 1-1:0.89: Remote control support is not available for this card.
[  210.645430][ T5889] em28xx 2-1:0.89: Closing input extension
[  210.645454][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  210.700578][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  210.731083][ T6138] em28xx 3-1:0.89: Registering V4L2 extension
[  210.756893][ T5889] em28xx 2-1:0.89: Freeing device
[  210.821754][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  210.821778][ T5958] em28xx 4-1:0.89: board has no eeprom
[  210.833185][ T6138] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  210.833211][ T6138] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  210.833226][ T6138] em28xx 3-1:0.89: No AC97 audio processor
[  210.879334][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  210.879365][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  210.881891][ T6138] usb 3-1: Decoder not found
[  210.881912][ T6138] em28xx 3-1:0.89: failed to create media graph
[  210.881945][ T6138] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  210.889085][ T6138] em28xx 3-1:0.89: Registering snapshot button...
[  210.944438][ T6138] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input123
[  210.998401][ T5958] usb 4-1: USB disconnect, device number 32
[  211.006826][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  211.008899][ T6138] em28xx 3-1:0.89: Remote control support is not available for this card.
[  211.008955][   T10] em28xx 1-1:0.89: Closing input extension
[  211.008977][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  211.083157][   T38] em28xx 4-1:0.89: Registering V4L2 extension
[  211.099559][   T10] em28xx 1-1:0.89: Freeing device
[  211.119428][ T5889] usb 2-1: new high-speed USB device number 31 using dummy_hcd
[  211.262501][   T38] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  211.262526][   T38] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  211.262541][   T38] em28xx 4-1:0.89: No AC97 audio processor
[  211.265094][   T38] usb 4-1: Decoder not found
[  211.265113][   T38] em28xx 4-1:0.89: failed to create media graph
[  211.265143][   T38] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  211.268753][   T38] em28xx 4-1:0.89: Registering snapshot button...
[  211.276249][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input124
[  211.281239][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  211.333414][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  211.333443][ T5889] usb 2-1: config 0 has no interface number 0
[  211.333489][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  211.333514][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  211.382703][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  211.382735][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  211.382757][ T5889] usb 2-1: Product: syz
[  211.382773][ T5889] usb 2-1: Manufacturer: syz
[  211.382788][ T5889] usb 2-1: SerialNumber: syz
[  211.415688][   T38] em28xx 4-1:0.89: Remote control support is not available for this card.
[  211.425435][ T5889] usb 2-1: config 0 descriptor??
[  211.434059][ T5954] em28xx 3-1:0.89: Closing input extension
[  211.434094][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  211.454608][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  211.454645][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  211.499464][   T10] usb 1-1: new high-speed USB device number 32 using dummy_hcd
[  211.524222][ T5958] em28xx 4-1:0.89: Closing input extension
[  211.524250][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  211.545727][ T5954] em28xx 3-1:0.89: Freeing device
[  211.651532][   T10] usb 1-1: Using ep0 maxpacket: 32
[  211.654436][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  211.654465][   T10] usb 1-1: config 0 has no interface number 0
[  211.654511][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  211.654536][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  211.663678][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  211.663705][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  211.663723][   T10] usb 1-1: Product: syz
[  211.663736][   T10] usb 1-1: Manufacturer: syz
[  211.663749][   T10] usb 1-1: SerialNumber: syz
[  211.710136][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  211.755046][ T5958] em28xx 4-1:0.89: Freeing device
[  211.755645][   T10] usb 1-1: config 0 descriptor??
[  211.781404][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  211.781441][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  211.829434][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  211.829470][ T5889] em28xx 2-1:0.89: board has no eeprom
[  211.869465][ T5954] usb 3-1: new high-speed USB device number 33 using dummy_hcd
[  211.889652][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  211.889682][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  211.891026][   T38] em28xx 2-1:0.89: Registering V4L2 extension
[  211.937577][ T5889] usb 2-1: USB disconnect, device number 31
[  211.952419][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  212.019387][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  212.022396][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  212.022424][ T5954] usb 3-1: config 0 has no interface number 0
[  212.022471][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  212.022496][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  212.029933][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  212.079385][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  212.079415][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  212.079435][ T5954] usb 3-1: Product: syz
[  212.079450][ T5954] usb 3-1: Manufacturer: syz
[  212.079465][ T5954] usb 3-1: SerialNumber: syz
[  212.084890][   T38] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  212.084916][   T38] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  212.084931][   T38] em28xx 2-1:0.89: No AC97 audio processor
[  212.094370][   T38] usb 2-1: Decoder not found
[  212.094421][   T38] em28xx 2-1:0.89: failed to create media graph
[  212.094509][   T38] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  212.120248][ T5958] usb 4-1: new high-speed USB device number 33 using dummy_hcd
[  212.140189][   T38] em28xx 2-1:0.89: Registering snapshot button...
[  212.178008][ T5954] usb 3-1: config 0 descriptor??
[  212.190487][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  212.190523][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  212.196683][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  212.196769][   T10] em28xx 1-1:0.89: board has no eeprom
[  212.249476][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  212.249506][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  212.250425][   T38] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input125
[  212.264806][   T38] em28xx 2-1:0.89: Remote control support is not available for this card.
[  212.264982][    T9] em28xx 1-1:0.89: Registering V4L2 extension
[  212.309358][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  212.314178][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  212.314217][ T5958] usb 4-1: config 0 has no interface number 0
[  212.314266][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  212.314292][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  212.358731][   T10] usb 1-1: USB disconnect, device number 32
[  212.362221][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  212.362267][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  212.362340][ T5958] usb 4-1: Product: syz
[  212.362381][ T5958] usb 4-1: Manufacturer: syz
[  212.362397][ T5958] usb 4-1: SerialNumber: syz
[  212.439346][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  212.460789][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  212.467182][ T5958] usb 4-1: config 0 descriptor??
[  212.488848][    T9] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  212.488871][    T9] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  212.488886][    T9] em28xx 1-1:0.89: No AC97 audio processor
[  212.514216][    T9] usb 1-1: Decoder not found
[  212.514237][    T9] em28xx 1-1:0.89: failed to create media graph
[  212.514278][    T9] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  212.517114][    T9] em28xx 1-1:0.89: Registering snapshot button...
[  212.543286][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  212.543386][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  212.573021][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input126
[  212.590955][    T9] em28xx 1-1:0.89: Remote control support is not available for this card.
[  212.591510][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  212.591535][ T5954] em28xx 3-1:0.89: board has no eeprom
[  212.593200][ T5889] em28xx 2-1:0.89: Closing input extension
[  212.593221][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  212.649393][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  212.649422][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  212.708451][ T5954] usb 3-1: USB disconnect, device number 33
[  212.750005][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  212.769079][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  212.775842][   T10] em28xx 1-1:0.89: Closing input extension
[  212.775870][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  212.826463][ T5889] em28xx 2-1:0.89: Freeing device
[  212.848055][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  212.848088][ T5958] em28xx 4-1:0.89: board has no eeprom
[  212.910767][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  212.910797][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  212.959833][    T9] em28xx 3-1:0.89: Registering V4L2 extension
[  213.052164][   T10] em28xx 1-1:0.89: Freeing device
[  213.095045][ T5958] usb 4-1: USB disconnect, device number 33
[  213.121159][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  213.196003][    T9] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  213.196029][    T9] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  213.196053][    T9] em28xx 3-1:0.89: No AC97 audio processor
[  213.249713][    T9] usb 3-1: Decoder not found
[  213.249734][    T9] em28xx 3-1:0.89: failed to create media graph
[  213.249767][    T9] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  213.253604][    T9] em28xx 3-1:0.89: Registering snapshot button...
[  213.256508][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input127
[  213.295713][    T9] em28xx 3-1:0.89: Remote control support is not available for this card.
[  213.300052][ T1260] em28xx 4-1:0.89: Registering V4L2 extension
[  213.328734][ T5889] usb 2-1: new high-speed USB device number 32 using dummy_hcd
2026/04/21 13:28:42 executed programs: 137
[  213.421097][   T10] usb 1-1: new high-speed USB device number 33 using dummy_hcd
[  213.468423][ T1260] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  213.468443][ T1260] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  213.468454][ T1260] em28xx 4-1:0.89: No AC97 audio processor
[  213.491592][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  213.493603][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  213.493629][ T5889] usb 2-1: config 0 has no interface number 0
[  213.493677][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  213.493694][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  213.510743][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  213.510833][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  213.510890][ T5889] usb 2-1: Product: syz
[  213.510934][ T5889] usb 2-1: Manufacturer: syz
[  213.510970][ T5889] usb 2-1: SerialNumber: syz
[  213.570192][   T10] usb 1-1: Using ep0 maxpacket: 32
[  213.574363][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  213.574387][   T10] usb 1-1: config 0 has no interface number 0
[  213.574426][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  213.574446][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  213.577959][ T1260] usb 4-1: Decoder not found
[  213.577978][ T1260] em28xx 4-1:0.89: failed to create media graph
[  213.578008][ T1260] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  213.589041][ T5889] usb 2-1: config 0 descriptor??
[  213.608940][ T1260] em28xx 4-1:0.89: Registering snapshot button...
[  213.609457][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  213.609484][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  213.609504][   T10] usb 1-1: Product: syz
[  213.609520][   T10] usb 1-1: Manufacturer: syz
[  213.609535][   T10] usb 1-1: SerialNumber: syz
[  213.697392][ T1260] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input128
[  213.712608][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  213.712645][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  213.713366][ T1260] em28xx 4-1:0.89: Remote control support is not available for this card.
[  213.713423][ T5954] em28xx 3-1:0.89: Closing input extension
[  213.713449][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  213.714365][   T10] usb 1-1: config 0 descriptor??
[  213.765727][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  213.765760][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  213.832925][ T5958] em28xx 4-1:0.89: Closing input extension
[  213.832955][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  213.854130][ T5954] em28xx 3-1:0.89: Freeing device
[  213.869858][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  213.980674][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  213.995020][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  213.995119][ T5889] em28xx 2-1:0.89: board has no eeprom
[  214.034045][ T5958] em28xx 4-1:0.89: Freeing device
[  214.056591][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  214.056620][   T10] em28xx 1-1:0.89: board has no eeprom
[  214.064985][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  214.065062][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  214.071403][ T6135] em28xx 2-1:0.89: Registering V4L2 extension
[  214.109414][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  214.109444][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  214.151353][   T10] usb 1-1: USB disconnect, device number 33
[  214.198640][ T5889] usb 2-1: USB disconnect, device number 32
[  214.229539][ T5954] usb 3-1: new high-speed USB device number 34 using dummy_hcd
[  214.257113][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  214.257245][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  214.311584][ T6135] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  214.311604][ T6135] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  214.311617][ T6135] em28xx 2-1:0.89: No AC97 audio processor
[  214.314745][ T6135] usb 2-1: Decoder not found
[  214.314763][ T6135] em28xx 2-1:0.89: failed to create media graph
[  214.314794][ T6135] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  214.318410][ T6135] em28xx 2-1:0.89: Registering snapshot button...
[  214.344870][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input129
[  214.373417][ T6135] em28xx 2-1:0.89: Remote control support is not available for this card.
[  214.373566][    T9] em28xx 1-1:0.89: Registering V4L2 extension
[  214.392345][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  214.394513][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  214.394536][ T5954] usb 3-1: config 0 has no interface number 0
[  214.394573][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  214.394593][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  214.435225][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  214.435260][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  214.435282][ T5954] usb 3-1: Product: syz
[  214.435297][ T5954] usb 3-1: Manufacturer: syz
[  214.435313][ T5954] usb 3-1: SerialNumber: syz
[  214.474744][ T5954] usb 3-1: config 0 descriptor??
[  214.489488][ T5958] usb 4-1: new high-speed USB device number 34 using dummy_hcd
[  214.492900][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  214.492935][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  214.659566][    T9] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  214.659593][    T9] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  214.659608][    T9] em28xx 1-1:0.89: No AC97 audio processor
[  214.662768][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  214.665044][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  214.665068][ T5958] usb 4-1: config 0 has no interface number 0
[  214.665115][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  214.665141][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  214.669149][    T9] usb 1-1: Decoder not found
[  214.669167][    T9] em28xx 1-1:0.89: failed to create media graph
[  214.669198][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  214.669325][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  214.669347][ T5958] usb 4-1: Product: syz
[  214.669361][ T5958] usb 4-1: Manufacturer: syz
[  214.669377][ T5958] usb 4-1: SerialNumber: syz
[  214.681365][    T9] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  214.751382][ T5958] usb 4-1: config 0 descriptor??
[  214.786975][    T9] em28xx 1-1:0.89: Registering snapshot button...
[  214.798761][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input130
[  214.812249][    T9] em28xx 1-1:0.89: Remote control support is not available for this card.
[  214.812314][ T5889] em28xx 2-1:0.89: Closing input extension
[  214.812336][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  214.832532][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  214.832662][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  214.837203][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  214.915196][   T10] em28xx 1-1:0.89: Closing input extension
[  214.915225][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  214.941830][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  214.941862][ T5954] em28xx 3-1:0.89: board has no eeprom
[  214.973099][ T5889] em28xx 2-1:0.89: Freeing device
[  214.999445][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  214.999474][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  215.034934][ T6111] em28xx 3-1:0.89: Registering V4L2 extension
[  215.048753][ T5954] usb 3-1: USB disconnect, device number 34
[  215.073215][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  215.074304][   T10] em28xx 1-1:0.89: Freeing device
[  215.095362][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  215.146923][ T6111] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  215.146943][ T6111] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  215.146954][ T6111] em28xx 3-1:0.89: No AC97 audio processor
[  215.177229][ T6111] usb 3-1: Decoder not found
[  215.177250][ T6111] em28xx 3-1:0.89: failed to create media graph
[  215.177283][ T6111] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  215.206669][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  215.206702][ T5958] em28xx 4-1:0.89: board has no eeprom
[  215.206725][ T6111] em28xx 3-1:0.89: Registering snapshot button...
[  215.234479][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input131
[  215.252444][ T6111] em28xx 3-1:0.89: Remote control support is not available for this card.
[  215.252501][ T5954] em28xx 3-1:0.89: Closing input extension
[  215.252524][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  215.266971][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  215.267050][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  215.352909][ T5958] usb 4-1: USB disconnect, device number 34
[  215.360184][ T5889] usb 2-1: new high-speed USB device number 33 using dummy_hcd
[  215.383290][ T6135] em28xx 4-1:0.89: Registering V4L2 extension
[  215.422371][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  215.430219][   T10] usb 1-1: new high-speed USB device number 34 using dummy_hcd
[  215.465308][ T5954] em28xx 3-1:0.89: Freeing device
[  215.549438][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  215.553490][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  215.553517][ T5889] usb 2-1: config 0 has no interface number 0
[  215.553563][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  215.553586][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  215.599330][   T10] usb 1-1: Using ep0 maxpacket: 32
[  215.605184][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  215.605214][   T10] usb 1-1: config 0 has no interface number 0
[  215.605261][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  215.605302][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  215.685622][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  215.685766][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  215.685788][ T5889] usb 2-1: Product: syz
[  215.685810][ T5889] usb 2-1: Manufacturer: syz
[  215.685824][ T5889] usb 2-1: SerialNumber: syz
[  215.685880][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  215.685905][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  215.685927][   T10] usb 1-1: Product: syz
[  215.685941][   T10] usb 1-1: Manufacturer: syz
[  215.685956][   T10] usb 1-1: SerialNumber: syz
[  215.768209][   T10] usb 1-1: config 0 descriptor??
[  215.795906][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  215.795944][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  215.809427][ T5954] usb 3-1: new high-speed USB device number 35 using dummy_hcd
[  215.847988][ T5889] usb 2-1: config 0 descriptor??
[  215.877909][ T6135] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  215.877939][ T6135] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  215.877954][ T6135] em28xx 4-1:0.89: No AC97 audio processor
[  215.950007][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  215.950044][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  215.969435][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  215.985809][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  215.985840][ T5954] usb 3-1: config 0 has no interface number 0
[  215.985887][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  215.985914][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  215.992895][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  215.992925][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  215.992946][ T5954] usb 3-1: Product: syz
[  215.992961][ T5954] usb 3-1: Manufacturer: syz
[  215.992977][ T5954] usb 3-1: SerialNumber: syz
[  216.055925][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  216.121337][ T6135] usb 4-1: Decoder not found
[  216.121358][ T6135] em28xx 4-1:0.89: failed to create media graph
[  216.121386][ T6135] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  216.150437][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  216.209380][ T5954] usb 3-1: config 0 descriptor??
[  216.235889][ T6135] em28xx 4-1:0.89: Registering snapshot button...
[  216.249919][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  216.249948][   T10] em28xx 1-1:0.89: board has no eeprom
[  216.253369][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  216.253409][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  216.278498][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input132
[  216.291935][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  216.292019][ T5889] em28xx 2-1:0.89: board has no eeprom
[  216.312883][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  216.312913][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  216.324721][ T6135] em28xx 4-1:0.89: Remote control support is not available for this card.
[  216.324980][ T5958] em28xx 4-1:0.89: Closing input extension
[  216.325004][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  216.349496][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  216.349562][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  216.420077][   T10] usb 1-1: USB disconnect, device number 34
[  216.420189][ T5889] usb 2-1: USB disconnect, device number 33
[  216.473207][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  216.474544][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  216.478000][ T6135] em28xx 2-1:0.89: Registering V4L2 extension
[  216.503336][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  216.517710][ T5958] em28xx 4-1:0.89: Freeing device
[  216.566277][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  216.566310][ T5954] em28xx 3-1:0.89: board has no eeprom
[  216.605808][ T6135] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  216.605834][ T6135] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  216.605851][ T6135] em28xx 2-1:0.89: No AC97 audio processor
[  216.637725][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  216.637755][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  216.658299][ T6135] usb 2-1: Decoder not found
[  216.658320][ T6135] em28xx 2-1:0.89: failed to create media graph
[  216.658352][ T6135] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  216.692601][ T5954] usb 3-1: USB disconnect, device number 35
[  216.711691][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  216.736999][ T6135] em28xx 2-1:0.89: Registering snapshot button...
[  216.748089][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input133
[  216.753953][ T6135] em28xx 2-1:0.89: Remote control support is not available for this card.
[  216.754110][    T9] em28xx 1-1:0.89: Registering V4L2 extension
[  216.821761][    T9] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  216.821780][    T9] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  216.821791][    T9] em28xx 1-1:0.89: No AC97 audio processor
[  216.824585][    T9] usb 1-1: Decoder not found
[  216.824603][    T9] em28xx 1-1:0.89: failed to create media graph
[  216.824635][    T9] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  216.839733][ T5958] usb 4-1: new high-speed USB device number 35 using dummy_hcd
[  216.881815][    T9] em28xx 1-1:0.89: Registering snapshot button...
[  216.884001][    T9] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input134
[  216.885440][    T9] em28xx 1-1:0.89: Remote control support is not available for this card.
[  216.885494][ T6081] em28xx 3-1:0.89: Registering V4L2 extension
[  216.996075][ T6081] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  216.996095][ T6081] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  216.996106][ T6081] em28xx 3-1:0.89: No AC97 audio processor
[  216.997891][ T6081] usb 3-1: Decoder not found
[  216.997904][ T6081] em28xx 3-1:0.89: failed to create media graph
[  216.997925][ T6081] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  216.999775][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  217.048118][ T6081] em28xx 3-1:0.89: Registering snapshot button...
[  217.048382][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  217.048421][ T5958] usb 4-1: config 0 has no interface number 0
[  217.048483][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  217.048533][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  217.090759][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  217.090791][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  217.090812][ T5958] usb 4-1: Product: syz
[  217.090827][ T5958] usb 4-1: Manufacturer: syz
[  217.090842][ T5958] usb 4-1: SerialNumber: syz
[  217.096622][ T5958] usb 4-1: config 0 descriptor??
[  217.138013][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input135
[  217.152005][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  217.152043][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  217.159071][ T6081] em28xx 3-1:0.89: Remote control support is not available for this card.
[  217.159145][ T5889] em28xx 2-1:0.89: Closing input extension
[  217.159168][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  217.254186][   T10] em28xx 1-1:0.89: Closing input extension
[  217.254216][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  217.332347][ T5889] em28xx 2-1:0.89: Freeing device
[  217.367347][ T5954] em28xx 3-1:0.89: Closing input extension
[  217.367376][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  217.399857][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  217.401863][   T10] em28xx 1-1:0.89: Freeing device
[  217.481104][ T5954] em28xx 3-1:0.89: Freeing device
[  217.490463][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  217.490496][ T5958] em28xx 4-1:0.89: board has no eeprom
[  217.561224][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  217.561254][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  217.561607][ T6135] em28xx 4-1:0.89: Registering V4L2 extension
[  217.600065][ T5958] usb 4-1: USB disconnect, device number 35
[  217.649104][ T5889] usb 2-1: new high-speed USB device number 34 using dummy_hcd
[  217.650816][ T6135] em28xx 4-1:0.89: reading from i2c device at 0x4a failed (error=-19)
[  217.667217][ T6135] em28xx 4-1:0.89: reading from i2c device at 0x48 failed (error=-19)
[  217.667409][ T6135] em28xx 4-1:0.89: reading from i2c device at 0x42 failed (error=-19)
[  217.678142][ T6135] em28xx 4-1:0.89: reading from i2c device at 0x40 failed (error=-19)
[  217.678326][ T6135] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  217.678522][ T6135] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  217.678558][ T6135] em28xx 4-1:0.89: No AC97 audio processor
[  217.721991][   T10] usb 1-1: new high-speed USB device number 35 using dummy_hcd
[  217.728407][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  217.776321][ T6135] usb 4-1: Decoder not found
[  217.776343][ T6135] em28xx 4-1:0.89: failed to create media graph
[  217.776375][ T6135] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  217.789187][ T6135] em28xx 4-1:0.89: Registering snapshot button...
[  217.808875][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input136
[  217.845991][ T6135] em28xx 4-1:0.89: Remote control support is not available for this card.
[  217.846058][ T5958] em28xx 4-1:0.89: Closing input extension
[  217.846080][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  217.859370][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  217.865770][ T5954] usb 3-1: new high-speed USB device number 36 using dummy_hcd
[  217.866069][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  217.866116][ T5889] usb 2-1: config 0 has no interface number 0
[  217.866213][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  217.866239][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  217.920100][   T10] usb 1-1: Using ep0 maxpacket: 32
[  217.922902][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  217.922933][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  217.922959][ T5889] usb 2-1: Product: syz
[  217.922974][ T5889] usb 2-1: Manufacturer: syz
[  217.922989][ T5889] usb 2-1: SerialNumber: syz
[  217.929394][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  217.929428][   T10] usb 1-1: config 0 has no interface number 0
[  217.929470][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  217.929492][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  217.994796][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  217.994827][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  217.994844][   T10] usb 1-1: Product: syz
[  217.994856][   T10] usb 1-1: Manufacturer: syz
[  217.994868][   T10] usb 1-1: SerialNumber: syz
[  218.044397][   T10] usb 1-1: config 0 descriptor??
[  218.048197][ T5889] usb 2-1: config 0 descriptor??
[  218.108459][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  218.108506][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  218.125097][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  218.125180][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  218.140336][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  218.169520][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  218.169551][ T5954] usb 3-1: config 0 has no interface number 0
[  218.169675][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  218.169702][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  218.206974][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  218.207232][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  218.207255][ T5954] usb 3-1: Product: syz
[  218.207271][ T5954] usb 3-1: Manufacturer: syz
[  218.207286][ T5954] usb 3-1: SerialNumber: syz
[  218.320608][ T5954] usb 3-1: config 0 descriptor??
[  218.331011][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  218.340752][ T5958] em28xx 4-1:0.89: Freeing device
[  218.346506][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  218.379789][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  218.379827][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  218.431694][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  218.431728][ T5889] em28xx 2-1:0.89: board has no eeprom
[  218.457535][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  218.457566][   T10] em28xx 1-1:0.89: board has no eeprom
[  218.492670][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  218.492702][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  218.504212][ T6135] em28xx 2-1:0.89: Registering V4L2 extension
[  218.512693][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  218.512718][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  218.547585][ T5889] usb 2-1: USB disconnect, device number 34
[  218.571386][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  218.574446][   T10] usb 1-1: USB disconnect, device number 35
[  218.577722][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  218.597578][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  218.656640][ T6135] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  218.656666][ T6135] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  218.656682][ T6135] em28xx 2-1:0.89: No AC97 audio processor
[  218.665840][ T6135] usb 2-1: Decoder not found
[  218.665896][ T6135] em28xx 2-1:0.89: failed to create media graph
[  218.665978][ T6135] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  218.669669][ T5958] usb 4-1: new high-speed USB device number 36 using dummy_hcd
[  218.713987][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  218.714017][ T5954] em28xx 3-1:0.89: board has no eeprom
[  218.714439][ T6135] em28xx 2-1:0.89: Registering snapshot button...
[  218.722201][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input137
[  218.756352][ T6135] em28xx 2-1:0.89: Remote control support is not available for this card.
[  218.756434][ T6081] em28xx 1-1:0.89: Registering V4L2 extension
[  218.777364][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  218.777393][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  218.801769][ T5954] usb 3-1: USB disconnect, device number 36
[  218.804725][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
2026/04/21 13:28:48 executed programs: 146
[  218.879362][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  218.881235][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  218.881264][ T5958] usb 4-1: config 0 has no interface number 0
[  218.881310][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  218.881335][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  218.886223][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  218.886254][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  218.886275][ T5958] usb 4-1: Product: syz
[  218.886290][ T5958] usb 4-1: Manufacturer: syz
[  218.886306][ T5958] usb 4-1: SerialNumber: syz
[  218.976630][ T5958] usb 4-1: config 0 descriptor??
[  219.011612][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  219.011641][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  219.048344][ T6081] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  219.048372][ T6081] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  219.048388][ T6081] em28xx 1-1:0.89: No AC97 audio processor
[  219.075440][ T6081] usb 1-1: Decoder not found
[  219.075462][ T6081] em28xx 1-1:0.89: failed to create media graph
[  219.075494][ T6081] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  219.100441][ T6081] em28xx 1-1:0.89: Registering snapshot button...
[  219.103198][ T6081] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.89/input/input138
[  219.106535][ T6081] em28xx 1-1:0.89: Remote control support is not available for this card.
[  219.106608][ T5889] em28xx 2-1:0.89: Closing input extension
[  219.106632][ T5889] em28xx 2-1:0.89: Deregistering snapshot button
[  219.226420][ T6111] em28xx 3-1:0.89: Registering V4L2 extension
[  219.239738][ T5958] em28xx 4-1:0.89: unknown em28xx chip ID (0)
[  219.265190][ T5889] em28xx 2-1:0.89: Freeing device
[  219.307397][ T6458] udevd[6458]: setting owner of /dev/bus/usb/002/034 to uid=0, gid=0 failed: No such file or directory
[  219.351235][ T5958] em28xx 4-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  219.351269][ T5958] em28xx 4-1:0.89: board has no eeprom
[  219.405577][ T6111] em28xx 3-1:0.89: Config register raw data: 0xffffffed
[  219.405603][ T6111] em28xx 3-1:0.89: AC97 chip type couldn't be determined
[  219.405619][ T6111] em28xx 3-1:0.89: No AC97 audio processor
[  219.408116][ T6111] usb 3-1: Decoder not found
[  219.408135][ T6111] em28xx 3-1:0.89: failed to create media graph
[  219.408166][ T6111] em28xx 3-1:0.89: V4L2 device video103 deregistered
[  219.410980][ T5958] em28xx 4-1:0.89: Identified as Terratec Grabby (card=67)
[  219.411048][ T5958] em28xx 4-1:0.89: analog set to bulk mode.
[  219.466895][ T6111] em28xx 3-1:0.89: Registering snapshot button...
[  219.488931][ T6111] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.89/input/input139
[  219.509133][ T6111] em28xx 3-1:0.89: Remote control support is not available for this card.
[  219.509197][   T10] em28xx 1-1:0.89: Closing input extension
[  219.524510][   T10] em28xx 1-1:0.89: Deregistering snapshot button
[  219.528754][ T5958] usb 4-1: USB disconnect, device number 36
[  219.545519][ T5958] em28xx 4-1:0.89: Disconnecting em28xx
[  219.583506][ T6135] em28xx 4-1:0.89: Registering V4L2 extension
[  219.598906][   T10] em28xx 1-1:0.89: Freeing device
[  219.669952][ T5889] usb 2-1: new high-speed USB device number 35 using dummy_hcd
[  219.744476][ T6135] em28xx 4-1:0.89: Config register raw data: 0xffffffed
[  219.744502][ T6135] em28xx 4-1:0.89: AC97 chip type couldn't be determined
[  219.744517][ T6135] em28xx 4-1:0.89: No AC97 audio processor
[  219.751488][ T6135] usb 4-1: Decoder not found
[  219.751544][ T6135] em28xx 4-1:0.89: failed to create media graph
[  219.751606][ T6135] em28xx 4-1:0.89: V4L2 device video103 deregistered
[  219.811805][ T6135] em28xx 4-1:0.89: Registering snapshot button...
[  219.822004][ T5889] usb 2-1: Using ep0 maxpacket: 32
[  219.836180][ T5889] usb 2-1: config 0 has an invalid interface number: 89 but max is 0
[  219.836209][ T5889] usb 2-1: config 0 has no interface number 0
[  219.836249][ T5889] usb 2-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  219.836270][ T5889] usb 2-1: config 0 interface 89 has no altsetting 0
[  219.847523][ T5889] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  219.847570][ T5889] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  219.847643][ T5889] usb 2-1: Product: syz
[  219.847746][ T5889] usb 2-1: Manufacturer: syz
[  219.847783][ T5889] usb 2-1: SerialNumber: syz
[  219.883856][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.89/input/input140
[  219.917070][ T6135] em28xx 4-1:0.89: Remote control support is not available for this card.
[  219.918242][ T5954] em28xx 3-1:0.89: Closing input extension
[  219.918270][ T5954] em28xx 3-1:0.89: Deregistering snapshot button
[  219.967842][ T5889] usb 2-1: config 0 descriptor??
[  219.969653][   T10] usb 1-1: new high-speed USB device number 36 using dummy_hcd
[  219.987307][ T5889] em28xx 2-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  219.987336][ T5889] em28xx 2-1:0.89: Video interface 89 found:
[  220.011472][ T5958] em28xx 4-1:0.89: Closing input extension
[  220.011560][ T5958] em28xx 4-1:0.89: Deregistering snapshot button
[  220.036788][ T5954] em28xx 3-1:0.89: Freeing device
[  220.130555][   T10] usb 1-1: Using ep0 maxpacket: 32
[  220.133376][   T10] usb 1-1: config 0 has an invalid interface number: 89 but max is 0
[  220.133405][   T10] usb 1-1: config 0 has no interface number 0
[  220.133452][   T10] usb 1-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  220.133476][   T10] usb 1-1: config 0 interface 89 has no altsetting 0
[  220.138569][   T10] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  220.138601][   T10] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  220.138623][   T10] usb 1-1: Product: syz
[  220.138638][   T10] usb 1-1: Manufacturer: syz
[  220.138653][   T10] usb 1-1: SerialNumber: syz
[  220.256214][   T10] usb 1-1: config 0 descriptor??
[  220.274764][ T5958] em28xx 4-1:0.89: Freeing device
[  220.283797][ T5889] em28xx 2-1:0.89: unknown em28xx chip ID (0)
[  220.298349][   T10] em28xx 1-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  220.298386][   T10] em28xx 1-1:0.89: Video interface 89 found:
[  220.364427][ T5889] em28xx 2-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  220.364461][ T5889] em28xx 2-1:0.89: board has no eeprom
[  220.399869][ T5954] usb 3-1: new high-speed USB device number 37 using dummy_hcd
[  220.422991][ T5889] em28xx 2-1:0.89: Identified as Terratec Grabby (card=67)
[  220.423021][ T5889] em28xx 2-1:0.89: analog set to bulk mode.
[  220.423433][ T6135] em28xx 2-1:0.89: Registering V4L2 extension
[  220.485170][ T5889] usb 2-1: USB disconnect, device number 35
[  220.498882][ T5889] em28xx 2-1:0.89: Disconnecting em28xx
[  220.529886][   T10] em28xx 1-1:0.89: unknown em28xx chip ID (0)
[  220.569396][ T5954] usb 3-1: Using ep0 maxpacket: 32
[  220.573805][ T5954] usb 3-1: config 0 has an invalid interface number: 89 but max is 0
[  220.573834][ T5954] usb 3-1: config 0 has no interface number 0
[  220.573881][ T5954] usb 3-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  220.573905][ T5954] usb 3-1: config 0 interface 89 has no altsetting 0
[  220.577358][ T5954] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  220.577390][ T5954] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  220.577412][ T5954] usb 3-1: Product: syz
[  220.577427][ T5954] usb 3-1: Manufacturer: syz
[  220.577443][ T5954] usb 3-1: SerialNumber: syz
[  220.641567][ T5958] usb 4-1: new high-speed USB device number 37 using dummy_hcd
[  220.669645][ T5954] usb 3-1: config 0 descriptor??
[  220.677013][ T6135] em28xx 2-1:0.89: Config register raw data: 0xffffffed
[  220.677039][ T6135] em28xx 2-1:0.89: AC97 chip type couldn't be determined
[  220.677055][ T6135] em28xx 2-1:0.89: No AC97 audio processor
[  220.692948][ T5954] em28xx 3-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  220.692986][ T5954] em28xx 3-1:0.89: Video interface 89 found:
[  220.745916][ T6135] usb 2-1: Decoder not found
[  220.745938][ T6135] em28xx 2-1:0.89: failed to create media graph
[  220.745971][ T6135] em28xx 2-1:0.89: V4L2 device video103 deregistered
[  220.788642][ T6135] em28xx 2-1:0.89: Registering snapshot button...
[  220.803730][   T10] em28xx 1-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  220.803758][   T10] em28xx 1-1:0.89: board has no eeprom
[  220.812870][ T5958] usb 4-1: Using ep0 maxpacket: 32
[  220.836131][ T5958] usb 4-1: config 0 has an invalid interface number: 89 but max is 0
[  220.836159][ T5958] usb 4-1: config 0 has no interface number 0
[  220.836221][ T5958] usb 4-1: config 0 interface 89 altsetting 2 endpoint 0x82 has invalid wMaxPacketSize 0
[  220.836247][ T5958] usb 4-1: config 0 interface 89 has no altsetting 0
[  220.862438][ T5958] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=38.4a
[  220.862466][ T5958] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  220.862484][ T5958] usb 4-1: Product: syz
[  220.862497][ T5958] usb 4-1: Manufacturer: syz
[  220.862509][ T5958] usb 4-1: SerialNumber: syz
[  220.900793][ T6135] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.89/input/input141
[  220.918427][   T10] em28xx 1-1:0.89: Identified as Terratec Grabby (card=67)
[  220.918457][   T10] em28xx 1-1:0.89: analog set to bulk mode.
[  220.967074][ T6135] em28xx 2-1:0.89: Remote control support is not available for this card.
[  220.967144][ T6111] em28xx 1-1:0.89: Registering V4L2 extension
[  220.989735][ T5954] em28xx 3-1:0.89: unknown em28xx chip ID (0)
[  220.996966][   T10] usb 1-1: USB disconnect, device number 36
[  221.005906][   T10] em28xx 1-1:0.89: Disconnecting em28xx
[  221.029699][ T5958] usb 4-1: config 0 descriptor??
[  221.060034][ T5954] em28xx 3-1:0.89: reading from i2c device at 0xa0 failed (error=-5)
[  221.060065][ T5954] em28xx 3-1:0.89: board has no eeprom
[  221.068664][ T5958] em28xx 4-1:0.89: New device syz syz @ 480 Mbps (0ccd:10af, interface 89, class 89)
[  221.068692][ T5958] em28xx 4-1:0.89: Video interface 89 found:
[  221.119389][ T5954] em28xx 3-1:0.89: Identified as Terratec Grabby (card=67)
[  221.119420][ T5954] em28xx 3-1:0.89: analog set to bulk mode.
[  221.144805][ T5954] usb 3-1: USB disconnect, device number 37
[  221.166750][ T5954] em28xx 3-1:0.89: Disconnecting em28xx
[  221.249675][ T6111] em28xx 1-1:0.89: Config register raw data: 0xffffffed
[  221.249702][ T6111] em28xx 1-1:0.89: AC97 chip type couldn't be determined
[  221.249717][ T6111] em28xx 1-1:0.89: No AC97 audio processor
[  221.283319][ T6111] usb 1-1: Decoder not found
[  221.283338][ T6111] em28xx 1-1:0.89: failed to create media graph
[  221.283367][ T6111] em28xx 1-1:0.89: V4L2 device video103 deregistered
[  221.287646][ T6111] em28xx 1-1:0.89: Registering snapshot button...
[  221.299135][ T6683] ==================================================================
[  221.299173][ T6683] BUG: KASAN: use-after-free in v4l2_open+0x398/0x3a0
[  221.299234][ T6683] Read of size 4 at addr ffff88803d9ec9d0 by task v4l_id/6683
[  221.299252][ T6683] 
[  221.299281][ T6683] CPU: 1 UID: 0 PID: 6683 Comm: v4l_id Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  221.299306][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  221.299327][ T6683] Call Trace:
[  221.299336][ T6683]  <TASK>
[  221.299345][ T6683]  dump_stack_lvl+0xe8/0x150
[  221.299419][ T6683]  print_address_description+0x55/0x1e0
[  221.299512][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.299574][ T6683]  print_report+0x58/0x70
[  221.299640][ T6683]  kasan_report+0x117/0x150
[  221.299725][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.299793][ T6683]  v4l2_open+0x398/0x3a0
[  221.299854][ T6683]  chrdev_open+0x4d0/0x5f0
[  221.299921][ T6683]  ? __pfx_chrdev_open+0x10/0x10
[  221.299980][ T6683]  ? fsnotify_open_perm_and_set_mode+0x13b/0x6e0
[  221.300075][ T6683]  ? __pfx_chrdev_open+0x10/0x10
[  221.300133][ T6683]  do_dentry_open+0x83d/0x13e0
[  221.300206][ T6683]  vfs_open+0x3b/0x350
[  221.300257][ T6683]  ? path_openat+0x2e2b/0x38a0
[  221.300342][ T6683]  path_openat+0x2e43/0x38a0
[  221.300468][ T6683]  ? __pfx_path_openat+0x10/0x10
[  221.300552][ T6683]  ? kasan_save_track+0x4f/0x80
[  221.300587][ T6683]  ? kasan_save_track+0x3e/0x80
[  221.300614][ T6683]  ? __kasan_slab_alloc+0x6c/0x80
[  221.300642][ T6683]  ? kmem_cache_alloc_noprof+0x33b/0x680
[  221.300675][ T6683]  ? do_raw_spin_lock+0x12b/0x2f0
[  221.300703][ T6683]  do_file_open+0x23e/0x4a0
[  221.300743][ T6683]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  221.300799][ T6683]  ? __pfx_do_file_open+0x10/0x10
[  221.300887][ T6683]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  221.300999][ T6683]  ? alloc_fd+0x64e/0x6c0
[  221.301080][ T6683]  do_sys_openat2+0x113/0x200
[  221.301152][ T6683]  ? __pfx_do_sys_openat2+0x10/0x10
[  221.301222][ T6683]  ? exc_page_fault+0x6a/0xc0
[  221.301285][ T6683]  ? do_user_addr_fault+0xc6f/0x1340
[  221.301353][ T6683]  __x64_sys_openat+0x138/0x170
[  221.301436][ T6683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.301460][ T6683]  do_syscall_64+0x15f/0xf80
[  221.301482][ T6683]  ? trace_irq_disable+0x3b/0x140
[  221.301564][ T6683]  ? clear_bhb_loop+0x40/0x90
[  221.301639][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.301714][ T6683] RIP: 0033:0x7f41f8a75407
[  221.301787][ T6683] 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
[  221.301844][ T6683] RSP: 002b:00007ffc277922b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  221.301950][ T6683] RAX: ffffffffffffffda RBX: 00007f41f8987880 RCX: 00007f41f8a75407
[  221.302006][ T6683] RDX: 0000000000000000 RSI: 00007ffc27792f1c RDI: ffffffffffffff9c
[  221.302052][ T6683] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  221.302088][ T6683] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  221.302124][ T6683] R13: 00007ffc27792500 R14: 00007f41f920b000 R15: 000056020d4b44d8
[  221.302195][ T6683]  </TASK>
[  221.302218][ T6683] 
[  221.302230][ T6683] The buggy address belongs to the physical page:
[  221.302259][ T6683] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803d9eed80 pfn:0x3d9ec
[  221.302318][ T6683] flags: 0x80000000000000(node=0|zone=1)
[  221.302370][ T6683] raw: 0080000000000000 ffffea0001781d08 ffff8880b8642e40 0000000000000000
[  221.302390][ T6683] raw: ffff88803d9eed80 0000000000000000 00000000ffffffff 0000000000000000
[  221.302424][ T6683] page dumped because: kasan: bad access detected
[  221.302457][ T6683] page_owner tracks the page as freed
[  221.302480][ T6683] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x40dc0(GFP_KERNEL|__GFP_ZERO|__GFP_COMP), pid 6111, tgid 6111 (kworker/0:7), ts 220967174922, free_ts 221287547405
[  221.302575][ T6683]  post_alloc_hook+0x231/0x280
[  221.302654][ T6683]  get_page_from_freelist+0x27d6/0x2850
[  221.302745][ T6683]  __alloc_frozen_pages_noprof+0x18d/0x380
[  221.302829][ T6683]  alloc_pages_mpol+0xd1/0x380
[  221.302910][ T6683]  ___kmalloc_large_node+0x4e/0x120
[  221.303018][ T6683]  __kmalloc_large_noprof+0x1a/0x90
[  221.303111][ T6683]  em28xx_v4l2_init+0xe7/0x2f50
[  221.303170][ T6683]  em28xx_init_extension+0x120/0x1c0
[  221.303227][ T6683]  process_one_work+0x9a3/0x1710
[  221.303279][ T6683]  worker_thread+0xba8/0x11e0
[  221.303336][ T6683]  kthread+0x388/0x470
[  221.303404][ T6683]  ret_from_fork+0x514/0xb70
[  221.303463][ T6683]  ret_from_fork_asm+0x1a/0x30
[  221.303501][ T6683] page last free pid 6111 tgid 6111 stack trace:
[  221.303514][ T6683]  __free_frozen_pages+0xf9b/0x10f0
[  221.303542][ T6683]  em28xx_v4l2_init+0x16c5/0x2f50
[  221.303563][ T6683]  em28xx_init_extension+0x120/0x1c0
[  221.303582][ T6683]  process_one_work+0x9a3/0x1710
[  221.303600][ T6683]  worker_thread+0xba8/0x11e0
[  221.303650][ T6683]  kthread+0x388/0x470
[  221.303717][ T6683]  ret_from_fork+0x514/0xb70
[  221.303767][ T6683]  ret_from_fork_asm+0x1a/0x30
[  221.303820][ T6683] 
[  221.303826][ T6683] Memory state around the buggy address:
[  221.303859][ T6683]  ffff88803d9ec880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  221.303891][ T6683]  ffff88803d9ec900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  221.303907][ T6683] >ffff88803d9ec980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  221.303917][ T6683]                                                  ^
[  221.303929][ T6683]  ffff88803d9eca00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  221.303944][ T6683]  ffff88803d9eca80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  221.303954][ T6683] ==================================================================
[  221.314622][ T6683] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  221.314644][ T6683] CPU: 1 UID: 0 PID: 6683 Comm: v4l_id Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  221.314667][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  221.314679][ T6683] Call Trace:
[  221.314687][ T6683]  <TASK>
[  221.314696][ T6683]  vpanic+0x56c/0xa60
[  221.314725][ T6683]  ? __pfx_vpanic+0x10/0x10
[  221.314747][ T6683]  ? __pfx___schedule+0x10/0x10
[  221.314779][ T6683]  panic+0xc5/0xd0
[  221.314800][ T6683]  ? __pfx_panic+0x10/0x10
[  221.314822][ T6683]  ? preempt_schedule_thunk+0x16/0x30
[  221.314861][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.314877][ T6683]  check_panic_on_warn+0x89/0xb0
[  221.314903][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.314918][ T6683]  end_report+0x73/0x170
[  221.314944][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.314959][ T6683]  kasan_report+0x128/0x150
[  221.314999][ T6683]  ? v4l2_open+0x398/0x3a0
[  221.315019][ T6683]  v4l2_open+0x398/0x3a0
[  221.315037][ T6683]  chrdev_open+0x4d0/0x5f0
[  221.315056][ T6683]  ? __pfx_chrdev_open+0x10/0x10
[  221.315072][ T6683]  ? fsnotify_open_perm_and_set_mode+0x13b/0x6e0
[  221.315102][ T6683]  ? __pfx_chrdev_open+0x10/0x10
[  221.315119][ T6683]  do_dentry_open+0x83d/0x13e0
[  221.315144][ T6683]  vfs_open+0x3b/0x350
[  221.315161][ T6683]  ? path_openat+0x2e2b/0x38a0
[  221.315188][ T6683]  path_openat+0x2e43/0x38a0
[  221.315228][ T6683]  ? __pfx_path_openat+0x10/0x10
[  221.315258][ T6683]  ? kasan_save_track+0x4f/0x80
[  221.315282][ T6683]  ? kasan_save_track+0x3e/0x80
[  221.315305][ T6683]  ? __kasan_slab_alloc+0x6c/0x80
[  221.315328][ T6683]  ? kmem_cache_alloc_noprof+0x33b/0x680
[  221.315356][ T6683]  ? do_raw_spin_lock+0x12b/0x2f0
[  221.315380][ T6683]  do_file_open+0x23e/0x4a0
[  221.315405][ T6683]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  221.315426][ T6683]  ? __pfx_do_file_open+0x10/0x10
[  221.315450][ T6683]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  221.315485][ T6683]  ? alloc_fd+0x64e/0x6c0
[  221.315508][ T6683]  do_sys_openat2+0x113/0x200
[  221.315530][ T6683]  ? __pfx_do_sys_openat2+0x10/0x10
[  221.315551][ T6683]  ? exc_page_fault+0x6a/0xc0
[  221.315571][ T6683]  ? do_user_addr_fault+0xc6f/0x1340
[  221.315590][ T6683]  __x64_sys_openat+0x138/0x170
[  221.315613][ T6683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.315632][ T6683]  do_syscall_64+0x15f/0xf80
[  221.315655][ T6683]  ? trace_irq_disable+0x3b/0x140
[  221.315677][ T6683]  ? clear_bhb_loop+0x40/0x90
[  221.315699][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.315718][ T6683] RIP: 0033:0x7f41f8a75407
[  221.315734][ T6683] 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
[  221.315751][ T6683] RSP: 002b:00007ffc277922b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  221.315771][ T6683] RAX: ffffffffffffffda RBX: 00007f41f8987880 RCX: 00007f41f8a75407
[  221.315785][ T6683] RDX: 0000000000000000 RSI: 00007ffc27792f1c RDI: ffffffffffffff9c
[  221.315798][ T6683] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  221.315809][ T6683] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  221.315820][ T6683] R13: 00007ffc27792500 R14: 00007f41f920b000 R15: 000056020d4b44d8
[  221.315842][ T6683]  </TASK>
[  221.318074][ T6683] Kernel Offset: disabled