96.904562][   T91] usb 2-1: Using ep0 maxpacket: 32
[   96.912919][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
2026/02/21 00:22:54 executed programs: 21
[   96.950331][   T91] usb 2-1: config 0 has no interface number 0
[   96.977903][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[   97.021331][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[   97.021415][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   97.034013][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[   97.063101][   T24] em28xx 3-1:0.161: No AC97 audio processor
[   97.073908][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   97.103260][   T91] usb 2-1: Product: syz
[   97.110533][   T91] usb 2-1: Manufacturer: syz
[   97.111193][   T24] usb 3-1: Decoder not found
[   97.116065][   T91] usb 2-1: SerialNumber: syz
[   97.119085][   T91] usb 2-1: config 0 descriptor??
[   97.133563][   T24] em28xx 3-1:0.161: failed to create media graph
[   97.142369][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[   97.146573][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   97.156127][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[   97.164573][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[   97.176316][ T6111] em28xx 3-1:0.161: Closing input extension
[   97.189062][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[   97.192014][ T6111] em28xx 3-1:0.161: Freeing device
[   97.306384][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[   97.313937][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[   97.321972][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[   97.330705][ T5939] usb 1-1: Decoder not found
[   97.335649][ T5939] em28xx 1-1:0.161: failed to create media graph
[   97.342404][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[   97.358889][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[   97.367702][ T6108] em28xx 4-1:0.161: Closing input extension
[   97.374701][ T5867] em28xx 1-1:0.161: Closing input extension
[   97.379223][ T6108] em28xx 4-1:0.161: Freeing device
[   97.388131][ T5867] em28xx 1-1:0.161: Freeing device
[   97.407467][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[   97.478456][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   97.489745][   T91] em28xx 2-1:0.161: board has no eeprom
[   97.516182][ T6111] usb 3-1: new high-speed USB device number 5 using dummy_hcd
[   97.555084][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   97.570705][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[   97.579269][ T6121] em28xx 2-1:0.161: Registering V4L2 extension
[   97.591218][   T91] usb 2-1: USB disconnect, device number 5
[   97.605705][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[   97.669775][ T6121] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[   97.675617][ T6111] usb 3-1: Using ep0 maxpacket: 32
[   97.685470][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[   97.690189][ T6121] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[   97.694293][ T6111] usb 3-1: config 0 has no interface number 0
[   97.711274][ T6108] usb 4-1: new high-speed USB device number 5 using dummy_hcd
[   97.711703][ T6121] em28xx 2-1:0.161: No AC97 audio processor
[   97.720908][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[   97.729315][ T5867] usb 1-1: new high-speed USB device number 5 using dummy_hcd
[   97.737401][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   97.753162][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   97.762986][ T6121] usb 2-1: Decoder not found
[   97.765103][ T6111] usb 3-1: Product: syz
[   97.768842][ T6121] em28xx 2-1:0.161: failed to create media graph
[   97.772464][ T6111] usb 3-1: Manufacturer: syz
[   97.779533][ T6121] em28xx 2-1:0.161: V4L2 device video103 deregistered
[   97.785216][ T6111] usb 3-1: SerialNumber: syz
[   97.795009][ T6121] em28xx 2-1:0.161: Remote control support is not available for this card.
[   97.809365][   T91] em28xx 2-1:0.161: Closing input extension
[   97.815112][ T6111] usb 3-1: config 0 descriptor??
[   97.827008][   T91] em28xx 2-1:0.161: Freeing device
[   97.831673][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   97.844813][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[   97.884717][ T6108] usb 4-1: Using ep0 maxpacket: 32
[   97.892428][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[   97.906808][ T5867] usb 1-1: Using ep0 maxpacket: 32
[   97.908939][ T6108] usb 4-1: config 0 has no interface number 0
[   97.915194][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[   97.919452][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[   97.938297][ T5867] usb 1-1: config 0 has no interface number 0
[   97.953440][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   97.957435][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[   97.963702][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   97.983124][ T6108] usb 4-1: Product: syz
[   97.988314][ T6108] usb 4-1: Manufacturer: syz
[   97.988971][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   97.993109][ T6108] usb 4-1: SerialNumber: syz
[   98.010095][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   98.020532][ T5867] usb 1-1: Product: syz
[   98.027987][ T6108] usb 4-1: config 0 descriptor??
[   98.040887][ T5867] usb 1-1: Manufacturer: syz
[   98.047374][ T5867] usb 1-1: SerialNumber: syz
[   98.049275][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   98.055925][ T5867] usb 1-1: config 0 descriptor??
[   98.070626][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[   98.073375][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   98.085089][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[   98.092252][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[   98.171450][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   98.180642][ T6111] em28xx 3-1:0.161: board has no eeprom
[   98.245617][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   98.254606][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[   98.254682][   T91] usb 2-1: new high-speed USB device number 6 using dummy_hcd
[   98.261812][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[   98.286042][ T6111] usb 3-1: USB disconnect, device number 5
[   98.295169][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[   98.313421][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[   98.325525][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[   98.379500][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   98.390637][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[   98.398848][ T6108] em28xx 4-1:0.161: board has no eeprom
[   98.401165][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   98.407018][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[   98.416812][ T5867] em28xx 1-1:0.161: board has no eeprom
[   98.425194][   T24] em28xx 3-1:0.161: No AC97 audio processor
[   98.439523][   T24] usb 3-1: Decoder not found
[   98.444916][   T24] em28xx 3-1:0.161: failed to create media graph
[   98.452708][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[   98.454740][   T91] usb 2-1: Using ep0 maxpacket: 32
[   98.465655][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[   98.477498][ T6111] em28xx 3-1:0.161: Closing input extension
[   98.488371][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[   98.492858][ T6111] em28xx 3-1:0.161: Freeing device
[   98.501106][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   98.504507][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   98.513529][   T91] usb 2-1: config 0 has no interface number 0
[   98.526252][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[   98.529303][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[   98.535651][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[   98.546366][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[   98.575616][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   98.593986][ T6108] usb 4-1: USB disconnect, device number 5
[   98.596767][ T5867] usb 1-1: USB disconnect, device number 5
[   98.623471][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   98.642247][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[   98.649143][   T91] usb 2-1: Product: syz
[   98.659007][   T91] usb 2-1: Manufacturer: syz
[   98.663842][   T91] usb 2-1: SerialNumber: syz
[   98.692876][   T24] em28xx 4-1:0.161: failed to trigger read from i2c address 0x4a (error=-19)
[   98.706512][   T91] usb 2-1: config 0 descriptor??
[   98.709051][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[   98.734097][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   98.792804][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[   98.811127][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[   98.818548][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[   98.830417][   T24] em28xx 4-1:0.161: No AC97 audio processor
[   98.849903][   T24] usb 4-1: Decoder not found
[   98.855510][   T24] em28xx 4-1:0.161: failed to create media graph
[   98.862841][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[   98.884103][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[   98.896116][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[   98.925667][ T6111] usb 3-1: new high-speed USB device number 6 using dummy_hcd
[   98.982309][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[   98.991347][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[   99.000246][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[   99.013862][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[   99.023321][ T6121] usb 1-1: Decoder not found
[   99.029625][ T6121] em28xx 1-1:0.161: failed to create media graph
[   99.037008][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[   99.046487][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[   99.057084][ T5867] em28xx 1-1:0.161: Closing input extension
[   99.063179][ T6108] em28xx 4-1:0.161: Closing input extension
[   99.068257][ T5867] em28xx 1-1:0.161: Freeing device
[   99.080352][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   99.083594][ T6108] em28xx 4-1:0.161: Freeing device
[   99.096426][   T91] em28xx 2-1:0.161: board has no eeprom
[   99.100251][ T6111] usb 3-1: Using ep0 maxpacket: 32
[   99.114131][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[   99.131354][ T6111] usb 3-1: config 0 has no interface number 0
[   99.144276][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[   99.154178][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   99.165941][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   99.176091][ T6111] usb 3-1: Product: syz
[   99.181753][ T6111] usb 3-1: Manufacturer: syz
[   99.184655][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   99.187819][ T6111] usb 3-1: SerialNumber: syz
[   99.209543][ T6111] usb 3-1: config 0 descriptor??
[   99.217269][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[   99.225073][ T6121] em28xx 2-1:0.161: Registering V4L2 extension
[   99.227045][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   99.254706][   T91] usb 2-1: USB disconnect, device number 6
[   99.257949][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[   99.290395][ T6121] em28xx 2-1:0.161: failed to trigger read from i2c address 0x4a (error=-19)
[   99.302623][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[   99.394032][ T6121] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[   99.411764][ T6121] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[   99.420940][ T6121] em28xx 2-1:0.161: No AC97 audio processor
[   99.432413][ T6108] usb 4-1: new high-speed USB device number 6 using dummy_hcd
[   99.441936][ T6121] usb 2-1: Decoder not found
[   99.459316][ T6121] em28xx 2-1:0.161: failed to create media graph
[   99.466309][ T6121] em28xx 2-1:0.161: V4L2 device video103 deregistered
[   99.474535][ T5867] usb 1-1: new high-speed USB device number 6 using dummy_hcd
[   99.475562][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[   99.494213][ T6121] em28xx 2-1:0.161: Remote control support is not available for this card.
[   99.505830][   T91] em28xx 2-1:0.161: Closing input extension
[   99.516668][   T91] em28xx 2-1:0.161: Freeing device
[   99.549163][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[   99.560214][ T6111] em28xx 3-1:0.161: board has no eeprom
[   99.595268][ T6108] usb 4-1: Using ep0 maxpacket: 32
[   99.605491][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[   99.614048][ T6108] usb 4-1: config 0 has no interface number 0
[   99.621457][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[   99.628564][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[   99.637178][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[   99.643668][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[   99.652749][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   99.654649][ T5867] usb 1-1: Using ep0 maxpacket: 32
[   99.665954][ T6111] usb 3-1: USB disconnect, device number 6
[   99.674616][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   99.678223][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[   99.684527][ T6108] usb 4-1: Product: syz
[   99.694015][ T5867] usb 1-1: config 0 has no interface number 0
[   99.699593][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[   99.709658][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[   99.711691][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[   99.730041][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   99.737688][ T6108] usb 4-1: Manufacturer: syz
[   99.739168][ T5867] usb 1-1: Product: syz
[   99.743695][ T6108] usb 4-1: SerialNumber: syz
[   99.753703][ T5867] usb 1-1: Manufacturer: syz
[   99.761819][ T5867] usb 1-1: SerialNumber: syz
[   99.770306][ T6108] usb 4-1: config 0 descriptor??
[   99.771586][ T5867] usb 1-1: config 0 descriptor??
[   99.779997][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   99.791418][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[   99.811043][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[   99.823906][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[   99.864823][   T91] usb 2-1: new high-speed USB device number 7 using dummy_hcd
[   99.878024][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[   99.885380][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[   99.892705][   T24] em28xx 3-1:0.161: No AC97 audio processor
[   99.906370][   T24] usb 3-1: Decoder not found
[   99.912357][   T24] em28xx 3-1:0.161: failed to create media graph
[   99.919272][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[   99.928720][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[   99.938299][ T6111] em28xx 3-1:0.161: Closing input extension
[   99.955975][ T6111] em28xx 3-1:0.161: Freeing device
[  100.035066][   T91] usb 2-1: Using ep0 maxpacket: 32
[  100.045464][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  100.054790][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  100.064116][   T91] usb 2-1: config 0 has no interface number 0
[  100.072216][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  100.081213][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  100.098242][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  100.108607][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  100.110064][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  100.118291][   T91] usb 2-1: Product: syz
[  100.118311][   T91] usb 2-1: Manufacturer: syz
[  100.118323][   T91] usb 2-1: SerialNumber: syz
[  100.136140][   T91] usb 2-1: config 0 descriptor??
[  100.151645][ T6108] em28xx 4-1:0.161: board has no eeprom
[  100.154232][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  100.168009][ T5867] em28xx 1-1:0.161: board has no eeprom
[  100.178722][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  100.190295][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  100.215950][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  100.227357][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  100.234155][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[  100.245344][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  100.254722][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  100.259566][ T6108] usb 4-1: USB disconnect, device number 6
[  100.274524][ T6111] usb 3-1: new high-speed USB device number 7 using dummy_hcd
[  100.277673][ T5867] usb 1-1: USB disconnect, device number 6
[  100.302165][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  100.341132][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  100.391752][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  100.404146][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  100.412658][   T24] em28xx 4-1:0.161: No AC97 audio processor
[  100.420536][   T24] usb 4-1: Decoder not found
[  100.427059][   T24] em28xx 4-1:0.161: failed to create media graph
[  100.433860][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  100.442882][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[  100.445797][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  100.452367][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  100.466525][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  100.476088][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  100.485672][ T6111] usb 3-1: config 0 has no interface number 0
[  100.492466][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  100.506883][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  100.528602][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  100.554711][ T6111] usb 3-1: Product: syz
[  100.557632][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  100.560193][ T6111] usb 3-1: Manufacturer: syz
[  100.597950][   T91] em28xx 2-1:0.161: board has no eeprom
[  100.608578][ T6111] usb 3-1: SerialNumber: syz
[  100.632346][ T6111] usb 3-1: config 0 descriptor??
[  100.646625][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  100.656911][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  100.658846][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  100.675537][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  100.684300][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  100.692369][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  100.700812][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  100.710879][   T91] usb 2-1: USB disconnect, device number 7
[  100.721076][ T6121] usb 1-1: Decoder not found
[  100.728491][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  100.735424][ T6121] em28xx 1-1:0.161: failed to create media graph
[  100.742722][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  100.752682][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  100.762030][ T6108] em28xx 4-1:0.161: Closing input extension
[  100.768787][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  100.773864][ T6108] em28xx 4-1:0.161: Freeing device
[  100.903622][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  100.915445][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  100.922426][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  100.930255][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  100.949816][ T5939] usb 2-1: Decoder not found
[  100.955467][ T5939] em28xx 2-1:0.161: failed to create media graph
[  100.962279][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  100.970889][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  100.980792][   T91] em28xx 2-1:0.161: Closing input extension
[  100.988171][ T5867] em28xx 1-1:0.161: Closing input extension
[  100.999614][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  101.011403][ T6111] em28xx 3-1:0.161: board has no eeprom
[  101.012358][ T5867] em28xx 1-1:0.161: Freeing device
[  101.025598][   T91] em28xx 2-1:0.161: Freeing device
[  101.076265][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  101.085018][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  101.092119][   T43] em28xx 3-1:0.161: Registering V4L2 extension
[  101.101829][ T6108] usb 4-1: new high-speed USB device number 7 using dummy_hcd
[  101.113662][ T6111] usb 3-1: USB disconnect, device number 7
[  101.131866][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  101.224001][   T43] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  101.232503][   T43] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  101.240442][   T43] em28xx 3-1:0.161: No AC97 audio processor
[  101.249126][   T43] usb 3-1: Decoder not found
[  101.253976][   T43] em28xx 3-1:0.161: failed to create media graph
[  101.261251][   T43] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  101.271872][   T43] em28xx 3-1:0.161: Remote control support is not available for this card.
[  101.281588][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  101.289840][ T6111] em28xx 3-1:0.161: Closing input extension
[  101.299149][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  101.308578][ T6108] usb 4-1: config 0 has no interface number 0
[  101.316192][ T6111] em28xx 3-1:0.161: Freeing device
[  101.322975][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  101.334557][   T91] usb 2-1: new high-speed USB device number 8 using dummy_hcd
[  101.346543][ T5867] usb 1-1: new high-speed USB device number 7 using dummy_hcd
[  101.359650][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  101.383006][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  101.392004][ T6108] usb 4-1: Product: syz
[  101.396738][ T6108] usb 4-1: Manufacturer: syz
[  101.401600][ T6108] usb 4-1: SerialNumber: syz
[  101.422452][ T6108] usb 4-1: config 0 descriptor??
[  101.440372][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  101.452415][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  101.514684][   T91] usb 2-1: Using ep0 maxpacket: 32
[  101.520063][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  101.528515][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  101.537834][   T91] usb 2-1: config 0 has no interface number 0
[  101.544250][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  101.553856][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  101.560889][ T5867] usb 1-1: config 0 has no interface number 0
[  101.567871][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  101.578103][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  101.587696][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  101.597853][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  101.606590][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  101.615521][   T91] usb 2-1: Product: syz
[  101.619809][ T5867] usb 1-1: Product: syz
[  101.624239][ T5867] usb 1-1: Manufacturer: syz
[  101.629147][   T91] usb 2-1: Manufacturer: syz
[  101.634093][   T91] usb 2-1: SerialNumber: syz
[  101.639771][ T5867] usb 1-1: SerialNumber: syz
[  101.647769][   T91] usb 2-1: config 0 descriptor??
[  101.654382][ T5867] usb 1-1: config 0 descriptor??
[  101.664067][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  101.677110][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  101.685805][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  101.696062][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  101.696284][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  101.711841][ T6111] usb 3-1: new high-speed USB device number 8 using dummy_hcd
[  101.778414][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  101.788907][ T6108] em28xx 4-1:0.161: board has no eeprom
[  101.854550][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  101.866862][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  101.875297][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  101.882059][   T43] em28xx 4-1:0.161: Registering V4L2 extension
[  101.891478][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  101.906403][ T6108] usb 4-1: USB disconnect, device number 7
[  101.913859][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  101.921853][ T6111] usb 3-1: config 0 has no interface number 0
[  101.926583][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  101.931010][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  101.937731][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  101.962725][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  101.974869][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  101.984149][ T6111] usb 3-1: Product: syz
[  101.989139][ T6111] usb 3-1: Manufacturer: syz
[  102.005817][ T6111] usb 3-1: SerialNumber: syz
[  102.016385][ T6111] usb 3-1: config 0 descriptor??
[  102.018540][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  102.042283][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  102.046258][ T5867] em28xx 1-1:0.161: board has no eeprom
[  102.046434][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  102.072614][   T43] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  102.081994][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  102.082086][   T91] em28xx 2-1:0.161: board has no eeprom
[  102.090116][   T43] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  102.105711][   T43] em28xx 4-1:0.161: No AC97 audio processor
[  102.113940][   T43] usb 4-1: Decoder not found
[  102.120018][   T43] em28xx 4-1:0.161: failed to create media graph
[  102.128208][   T43] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  102.137950][   T43] em28xx 4-1:0.161: Remote control support is not available for this card.
[  102.148482][ T6108] em28xx 4-1:0.161: Closing input extension
2026/02/21 00:23:00 executed programs: 34
[  102.164632][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  102.176295][ T6108] em28xx 4-1:0.161: Freeing device
[  102.183025][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  102.192849][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  102.216408][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  102.229011][    T9] em28xx 2-1:0.161: Registering V4L2 extension
[  102.255720][   T91] usb 2-1: USB disconnect, device number 8
[  102.265898][ T5867] usb 1-1: USB disconnect, device number 7
[  102.284877][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  102.285288][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  102.300659][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  102.351712][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  102.362631][ T6111] em28xx 3-1:0.161: board has no eeprom
[  102.392718][    T9] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  102.400927][    T9] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  102.416722][    T9] em28xx 2-1:0.161: No AC97 audio processor
[  102.431798][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  102.439064][    T9] usb 2-1: Decoder not found
[  102.446432][    T9] em28xx 2-1:0.161: failed to create media graph
[  102.453662][    T9] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  102.463850][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  102.470680][    T9] em28xx 2-1:0.161: Remote control support is not available for this card.
[  102.470724][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  102.515337][ T6108] usb 4-1: new high-speed USB device number 8 using dummy_hcd
[  102.533933][ T6111] usb 3-1: USB disconnect, device number 8
[  102.559362][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  102.588211][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  102.598216][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  102.605712][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  102.613489][ T6121] usb 1-1: Decoder not found
[  102.618505][ T6121] em28xx 1-1:0.161: failed to create media graph
[  102.625320][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  102.636330][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  102.645379][   T91] em28xx 2-1:0.161: Closing input extension
[  102.651880][   T43] em28xx 3-1:0.161: Registering V4L2 extension
[  102.662784][   T91] em28xx 2-1:0.161: Freeing device
[  102.705434][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  102.713878][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  102.737637][ T6108] usb 4-1: config 0 has no interface number 0
[  102.744037][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  102.775103][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  102.803144][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  102.819908][   T43] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  102.828168][   T43] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  102.836676][ T6108] usb 4-1: Product: syz
[  102.841125][ T6108] usb 4-1: Manufacturer: syz
[  102.847959][   T43] em28xx 3-1:0.161: No AC97 audio processor
[  102.855063][ T6108] usb 4-1: SerialNumber: syz
[  102.863218][   T43] usb 3-1: Decoder not found
[  102.868830][ T6108] usb 4-1: config 0 descriptor??
[  102.874112][   T43] em28xx 3-1:0.161: failed to create media graph
[  102.883094][   T43] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  102.892283][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  102.903655][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  102.911307][   T43] em28xx 3-1:0.161: Remote control support is not available for this card.
[  102.920668][ T5867] em28xx 1-1:0.161: Closing input extension
[  102.928938][ T6111] em28xx 3-1:0.161: Closing input extension
[  102.933284][ T5867] em28xx 1-1:0.161: Freeing device
[  102.940044][ T6111] em28xx 3-1:0.161: Freeing device
[  102.984540][   T91] usb 2-1: new high-speed USB device number 9 using dummy_hcd
[  103.144644][   T91] usb 2-1: Using ep0 maxpacket: 32
[  103.146752][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  103.152375][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  103.166964][   T91] usb 2-1: config 0 has no interface number 0
[  103.173541][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  103.183626][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  103.194235][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  103.203193][   T91] usb 2-1: Product: syz
[  103.207730][   T91] usb 2-1: Manufacturer: syz
[  103.212725][   T91] usb 2-1: SerialNumber: syz
[  103.220220][   T91] usb 2-1: config 0 descriptor??
[  103.228923][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  103.230372][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  103.241178][ T6108] em28xx 4-1:0.161: board has no eeprom
[  103.266313][ T5867] usb 1-1: new high-speed USB device number 8 using dummy_hcd
[  103.281642][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  103.294633][ T6111] usb 3-1: new high-speed USB device number 9 using dummy_hcd
[  103.325074][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  103.333558][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  103.340246][ T6113] em28xx 4-1:0.161: Registering V4L2 extension
[  103.355054][ T6108] usb 4-1: USB disconnect, device number 8
[  103.386291][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  103.454542][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  103.456343][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  103.469440][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  103.473975][ T6113] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  103.482250][ T5867] usb 1-1: config 0 has no interface number 0
[  103.494996][ T6113] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  103.501336][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  103.507242][ T6113] em28xx 4-1:0.161: No AC97 audio processor
[  103.513666][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  103.525488][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  103.530424][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  103.538182][ T6111] usb 3-1: config 0 has no interface number 0
[  103.547280][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  103.557195][ T6113] usb 4-1: Decoder not found
[  103.564501][ T5867] usb 1-1: Product: syz
[  103.569335][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  103.573172][ T5867] usb 1-1: Manufacturer: syz
[  103.580357][ T6113] em28xx 4-1:0.161: failed to create media graph
[  103.592499][ T6113] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  103.600388][ T5867] usb 1-1: SerialNumber: syz
[  103.624015][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  103.625369][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  103.638203][ T5867] usb 1-1: config 0 descriptor??
[  103.654156][ T6113] em28xx 4-1:0.161: Remote control support is not available for this card.
[  103.665198][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  103.673736][ T6111] usb 3-1: Product: syz
[  103.677410][   T91] em28xx 2-1:0.161: board has no eeprom
[  103.680912][ T6108] em28xx 4-1:0.161: Closing input extension
[  103.692183][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  103.692604][ T6111] usb 3-1: Manufacturer: syz
[  103.713802][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  103.719398][ T6108] em28xx 4-1:0.161: Freeing device
[  103.729067][ T6111] usb 3-1: SerialNumber: syz
[  103.747568][ T6111] usb 3-1: config 0 descriptor??
[  103.760114][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  103.773725][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  103.784636][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  103.793111][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  103.799721][ T6121] em28xx 2-1:0.161: Registering V4L2 extension
[  103.816343][   T91] usb 2-1: USB disconnect, device number 9
[  103.836040][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  103.948088][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  103.981463][ T6121] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  103.993586][ T6121] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  104.002164][ T6121] em28xx 2-1:0.161: No AC97 audio processor
[  104.010557][ T6121] usb 2-1: Decoder not found
[  104.016440][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  104.021018][ T6121] em28xx 2-1:0.161: failed to create media graph
[  104.030624][ T6121] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  104.038398][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  104.039043][ T6108] usb 4-1: new high-speed USB device number 9 using dummy_hcd
[  104.047885][ T5867] em28xx 1-1:0.161: board has no eeprom
[  104.063749][ T6121] em28xx 2-1:0.161: Remote control support is not available for this card.
[  104.073346][   T91] em28xx 2-1:0.161: Closing input extension
[  104.078379][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  104.088125][   T91] em28xx 2-1:0.161: Freeing device
[  104.089006][ T6111] em28xx 3-1:0.161: board has no eeprom
[  104.134521][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  104.142733][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  104.150657][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  104.157320][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  104.157345][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  104.169245][ T6111] usb 3-1: USB disconnect, device number 9
[  104.186508][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  104.196875][ T5867] usb 1-1: USB disconnect, device number 8
[  104.203978][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  104.214684][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  104.223872][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  104.234071][ T6108] usb 4-1: config 0 has no interface number 0
[  104.253962][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  104.264641][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  104.274312][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  104.285182][ T6108] usb 4-1: Product: syz
[  104.289628][ T6108] usb 4-1: Manufacturer: syz
[  104.294680][ T6108] usb 4-1: SerialNumber: syz
[  104.296420][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  104.305494][ T6108] usb 4-1: config 0 descriptor??
[  104.311826][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  104.318382][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  104.321605][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  104.330029][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  104.349064][ T6121] usb 1-1: Decoder not found
[  104.353780][ T6121] em28xx 1-1:0.161: failed to create media graph
[  104.360569][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  104.369257][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  104.378907][ T5867] em28xx 1-1:0.161: Closing input extension
[  104.385213][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  104.397171][ T5867] em28xx 1-1:0.161: Freeing device
[  104.405060][   T91] usb 2-1: new high-speed USB device number 10 using dummy_hcd
[  104.565091][   T91] usb 2-1: Using ep0 maxpacket: 32
[  104.582882][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  104.588208][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  104.593641][   T91] usb 2-1: config 0 has no interface number 0
[  104.608068][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  104.617964][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  104.628889][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  104.634073][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  104.637986][   T91] usb 2-1: Product: syz
[  104.638002][   T91] usb 2-1: Manufacturer: syz
[  104.638015][   T91] usb 2-1: SerialNumber: syz
[  104.657688][   T91] usb 2-1: config 0 descriptor??
[  104.661917][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  104.670863][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  104.684979][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  104.685692][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  104.699387][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  104.708826][ T6108] em28xx 4-1:0.161: board has no eeprom
[  104.717220][ T6113] usb 3-1: Decoder not found
[  104.722136][ T6113] em28xx 3-1:0.161: failed to create media graph
[  104.730488][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  104.739165][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  104.748316][ T6111] em28xx 3-1:0.161: Closing input extension
[  104.754612][ T5867] usb 1-1: new high-speed USB device number 9 using dummy_hcd
[  104.766880][ T6111] em28xx 3-1:0.161: Freeing device
[  104.774540][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  104.782919][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  104.789676][ T6113] em28xx 4-1:0.161: Registering V4L2 extension
[  104.812633][ T6108] usb 4-1: USB disconnect, device number 9
[  104.841672][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  104.914496][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  104.931436][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  104.945969][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  104.955610][ T5867] usb 1-1: config 0 has no interface number 0
[  104.962433][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  104.980411][ T6113] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  104.980819][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  105.001082][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  105.001997][ T6113] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  105.012801][ T5867] usb 1-1: Product: syz
[  105.012822][ T5867] usb 1-1: Manufacturer: syz
[  105.012833][ T5867] usb 1-1: SerialNumber: syz
[  105.036062][ T6113] em28xx 4-1:0.161: No AC97 audio processor
[  105.047868][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  105.054809][ T6113] usb 4-1: Decoder not found
[  105.058877][   T91] em28xx 2-1:0.161: board has no eeprom
[  105.065950][ T6113] em28xx 4-1:0.161: failed to create media graph
[  105.069399][ T5867] usb 1-1: config 0 descriptor??
[  105.092808][ T6113] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  105.096648][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  105.100468][ T6111] usb 3-1: new high-speed USB device number 10 using dummy_hcd
[  105.112763][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  105.126084][ T6113] em28xx 4-1:0.161: Remote control support is not available for this card.
[  105.139628][ T6108] em28xx 4-1:0.161: Closing input extension
[  105.151069][ T6108] em28xx 4-1:0.161: Freeing device
[  105.154551][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  105.166382][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  105.172754][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  105.190962][   T91] usb 2-1: USB disconnect, device number 10
[  105.212343][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  105.294884][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  105.302583][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  105.311121][ T6111] usb 3-1: config 0 has no interface number 0
[  105.317507][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  105.327973][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  105.332611][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  105.341469][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  105.347243][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  105.357244][ T6111] usb 3-1: Product: syz
[  105.362890][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  105.366242][ T6111] usb 3-1: Manufacturer: syz
[  105.377062][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  105.379544][ T6111] usb 3-1: SerialNumber: syz
[  105.393045][ T5939] usb 2-1: Decoder not found
[  105.398709][ T5939] em28xx 2-1:0.161: failed to create media graph
[  105.400266][ T6111] usb 3-1: config 0 descriptor??
[  105.411601][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  105.417109][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  105.421214][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  105.439780][   T91] em28xx 2-1:0.161: Closing input extension
[  105.445344][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  105.461098][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  105.470644][ T5867] em28xx 1-1:0.161: board has no eeprom
[  105.487049][   T91] em28xx 2-1:0.161: Freeing device
[  105.495482][ T6108] usb 4-1: new high-speed USB device number 10 using dummy_hcd
[  105.544646][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  105.553834][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  105.565669][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[  105.580688][ T5867] usb 1-1: USB disconnect, device number 9
[  105.593219][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  105.657000][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  105.665196][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  105.676125][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  105.682753][ T6108] usb 4-1: config 0 has no interface number 0
[  105.689901][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  105.693288][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  105.701648][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  105.715160][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  105.719809][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  105.728406][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[  105.741335][ T6108] usb 4-1: Product: syz
[  105.749488][ T5939] usb 1-1: Decoder not found
[  105.750914][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  105.755553][ T5939] em28xx 1-1:0.161: failed to create media graph
[  105.765944][ T6108] usb 4-1: Manufacturer: syz
[  105.772460][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  105.777166][ T6111] em28xx 3-1:0.161: board has no eeprom
[  105.786579][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[  105.790571][ T6108] usb 4-1: SerialNumber: syz
[  105.800615][ T5867] em28xx 1-1:0.161: Closing input extension
[  105.813434][ T6108] usb 4-1: config 0 descriptor??
[  105.822273][ T5867] em28xx 1-1:0.161: Freeing device
[  105.834757][   T91] usb 2-1: new high-speed USB device number 11 using dummy_hcd
[  105.842414][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  105.865494][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  105.881468][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  105.887988][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  105.897759][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[  105.915870][ T6111] usb 3-1: USB disconnect, device number 10
[  105.937981][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  105.998027][   T91] usb 2-1: Using ep0 maxpacket: 32
[  106.006671][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  106.016172][   T91] usb 2-1: config 0 has no interface number 0
[  106.022355][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  106.033640][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  106.044677][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  106.052776][   T91] usb 2-1: Product: syz
[  106.058137][   T91] usb 2-1: Manufacturer: syz
[  106.062397][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  106.063101][   T91] usb 2-1: SerialNumber: syz
[  106.072193][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  106.083762][   T24] em28xx 3-1:0.161: No AC97 audio processor
[  106.093820][   T91] usb 2-1: config 0 descriptor??
[  106.099998][   T24] usb 3-1: Decoder not found
[  106.103167][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  106.105642][   T24] em28xx 3-1:0.161: failed to create media graph
[  106.116426][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  106.122361][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  106.138561][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  106.166952][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[  106.177915][ T6111] em28xx 3-1:0.161: Closing input extension
[  106.186032][ T5867] usb 1-1: new high-speed USB device number 10 using dummy_hcd
[  106.193152][ T6111] em28xx 3-1:0.161: Freeing device
[  106.218431][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  106.228607][ T6108] em28xx 4-1:0.161: board has no eeprom
[  106.294659][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  106.303190][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  106.311618][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[  106.330081][ T6108] usb 4-1: USB disconnect, device number 10
[  106.344642][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  106.345700][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  106.357283][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  106.376584][ T5867] usb 1-1: config 0 has no interface number 0
[  106.383136][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  106.390837][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  106.402428][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  106.416808][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  106.425310][ T5867] usb 1-1: Product: syz
[  106.429920][ T5867] usb 1-1: Manufacturer: syz
[  106.435247][ T5867] usb 1-1: SerialNumber: syz
[  106.438179][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  106.443248][ T5867] usb 1-1: config 0 descriptor??
[  106.452822][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  106.456379][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  106.460767][   T24] em28xx 4-1:0.161: No AC97 audio processor
[  106.474868][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  106.487940][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  106.488834][   T24] usb 4-1: Decoder not found
[  106.495125][   T91] em28xx 2-1:0.161: board has no eeprom
[  106.499735][ T6111] usb 3-1: new high-speed USB device number 11 using dummy_hcd
[  106.500440][   T24] em28xx 4-1:0.161: failed to create media graph
[  106.521844][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  106.531581][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[  106.540927][ T6108] em28xx 4-1:0.161: Closing input extension
[  106.551632][ T6108] em28xx 4-1:0.161: Freeing device
[  106.565115][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  106.585104][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  106.591887][ T6121] em28xx 2-1:0.161: Registering V4L2 extension
[  106.623014][   T91] usb 2-1: USB disconnect, device number 11
[  106.646481][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  106.664788][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  106.683177][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  106.703294][ T6111] usb 3-1: config 0 has no interface number 0
[  106.717964][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  106.721864][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  106.743466][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  106.760960][ T6121] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  106.761035][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  106.769089][ T6121] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  106.778825][ T6111] usb 3-1: Product: syz
[  106.790426][ T6111] usb 3-1: Manufacturer: syz
[  106.796518][ T6121] em28xx 2-1:0.161: No AC97 audio processor
[  106.797736][ T6111] usb 3-1: SerialNumber: syz
[  106.802891][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  106.816166][ T6111] usb 3-1: config 0 descriptor??
[  106.829368][ T5867] em28xx 1-1:0.161: board has no eeprom
[  106.835875][ T6121] usb 2-1: Decoder not found
[  106.840686][ T6121] em28xx 2-1:0.161: failed to create media graph
[  106.848233][ T6121] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  106.859553][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  106.872053][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  106.875157][ T6121] em28xx 2-1:0.161: Remote control support is not available for this card.
[  106.891811][   T91] em28xx 2-1:0.161: Closing input extension
[  106.902958][   T91] em28xx 2-1:0.161: Freeing device
[  106.924506][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  106.932591][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  106.939757][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  106.952949][ T5867] usb 1-1: USB disconnect, device number 10
[  106.963601][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  106.984767][ T6108] usb 4-1: new high-speed USB device number 11 using dummy_hcd
[  107.076980][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  107.085887][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  107.093047][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  107.101290][ T6121] usb 1-1: Decoder not found
[  107.106166][ T6121] em28xx 1-1:0.161: failed to create media graph
[  107.112669][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  107.115850][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  107.127483][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  107.136684][ T5867] em28xx 1-1:0.161: Closing input extension
[  107.145538][ T5867] em28xx 1-1:0.161: Freeing device
[  107.154832][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  107.163937][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  107.174797][ T6108] usb 4-1: config 0 has no interface number 0
[  107.183180][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  107.194570][   T91] usb 2-1: new high-speed USB device number 12 using dummy_hcd
[  107.198090][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
2026/02/21 00:23:05 executed programs: 48
[  107.235566][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  107.246787][ T6111] em28xx 3-1:0.161: board has no eeprom
[  107.252766][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  107.262656][ T6108] usb 4-1: Product: syz
[  107.267991][ T6108] usb 4-1: Manufacturer: syz
[  107.273643][ T6108] usb 4-1: SerialNumber: syz
[  107.280901][ T6108] usb 4-1: config 0 descriptor??
[  107.292591][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  107.303592][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  107.314540][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  107.322817][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  107.329057][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[  107.361332][ T6111] usb 3-1: USB disconnect, device number 11
[  107.374933][   T24] em28xx 3-1:0.161: failed to trigger read from i2c address 0x4a (error=-19)
[  107.376416][   T91] usb 2-1: Using ep0 maxpacket: 32
[  107.387837][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  107.398586][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  107.414906][   T91] usb 2-1: config 0 has no interface number 0
[  107.421408][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  107.432249][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  107.443339][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  107.451909][   T91] usb 2-1: Product: syz
[  107.456589][   T91] usb 2-1: Manufacturer: syz
[  107.461375][   T91] usb 2-1: SerialNumber: syz
[  107.475202][   T91] usb 2-1: config 0 descriptor??
[  107.480765][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  107.485550][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  107.493855][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  107.503113][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  107.510241][   T24] em28xx 3-1:0.161: No AC97 audio processor
[  107.521826][   T24] usb 3-1: Decoder not found
[  107.528841][   T24] em28xx 3-1:0.161: failed to create media graph
[  107.535760][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  107.544045][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[  107.553441][ T6111] em28xx 3-1:0.161: Closing input extension
[  107.559641][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  107.570716][ T6111] em28xx 3-1:0.161: Freeing device
[  107.596374][ T5867] usb 1-1: new high-speed USB device number 11 using dummy_hcd
[  107.629241][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  107.642266][ T6108] em28xx 4-1:0.161: board has no eeprom
[  107.706590][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  107.714893][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  107.721017][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[  107.734162][ T6108] usb 4-1: USB disconnect, device number 11
[  107.742869][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  107.744879][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  107.784510][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  107.791716][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  107.802222][ T5867] usb 1-1: config 0 has no interface number 0
[  107.812686][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  107.822136][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  107.835627][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  107.842295][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  107.845481][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  107.853608][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  107.860555][   T91] em28xx 2-1:0.161: board has no eeprom
[  107.860696][ T5867] usb 1-1: Product: syz
[  107.860711][ T5867] usb 1-1: Manufacturer: syz
[  107.860723][ T5867] usb 1-1: SerialNumber: syz
[  107.863715][ T5867] usb 1-1: config 0 descriptor??
[  107.881084][   T24] em28xx 4-1:0.161: No AC97 audio processor
[  107.888439][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  107.894252][ T6111] usb 3-1: new high-speed USB device number 12 using dummy_hcd
[  107.901292][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  107.923056][   T24] usb 4-1: Decoder not found
[  107.926681][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  107.926702][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  107.931369][   T24] em28xx 4-1:0.161: failed to create media graph
[  107.952979][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  107.966476][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[  107.968204][   T91] usb 2-1: USB disconnect, device number 12
[  107.983712][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  107.996961][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  108.056305][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  108.063402][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  108.076443][ T6111] usb 3-1: config 0 has no interface number 0
[  108.084975][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  108.098403][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  108.110670][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  108.119303][ T6111] usb 3-1: Product: syz
[  108.124074][ T6111] usb 3-1: Manufacturer: syz
[  108.129551][ T6111] usb 3-1: SerialNumber: syz
[  108.144839][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  108.145212][ T6111] usb 3-1: config 0 descriptor??
[  108.163175][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  108.169821][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  108.173538][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  108.182092][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  108.221219][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  108.229583][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  108.240250][ T5867] em28xx 1-1:0.161: board has no eeprom
[  108.247017][ T5939] usb 2-1: Decoder not found
[  108.254471][ T5939] em28xx 2-1:0.161: failed to create media graph
[  108.261421][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  108.270909][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  108.280795][ T6108] em28xx 4-1:0.161: Closing input extension
[  108.287519][   T91] em28xx 2-1:0.161: Closing input extension
[  108.292705][ T6108] em28xx 4-1:0.161: Freeing device
[  108.297694][   T91] em28xx 2-1:0.161: Freeing device
[  108.335016][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  108.343278][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  108.354685][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[  108.374246][ T5867] usb 1-1: USB disconnect, device number 11
[  108.387597][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  108.418291][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  108.494385][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  108.510266][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  108.520651][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[  108.521578][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  108.534797][ T5939] usb 1-1: Decoder not found
[  108.542864][ T5939] em28xx 1-1:0.161: failed to create media graph
[  108.543148][ T6111] em28xx 3-1:0.161: board has no eeprom
[  108.554182][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  108.566008][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[  108.575431][ T5867] em28xx 1-1:0.161: Closing input extension
[  108.586316][ T5867] em28xx 1-1:0.161: Freeing device
[  108.604746][   T91] usb 2-1: new high-speed USB device number 13 using dummy_hcd
[  108.614946][ T6108] usb 4-1: new high-speed USB device number 12 using dummy_hcd
[  108.625771][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  108.633796][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  108.656588][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[  108.678275][ T6111] usb 3-1: USB disconnect, device number 12
[  108.696723][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  108.778087][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  108.785713][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  108.793190][   T24] em28xx 3-1:0.161: No AC97 audio processor
[  108.795316][   T91] usb 2-1: Using ep0 maxpacket: 32
[  108.800121][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  108.812993][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  108.813167][   T24] usb 3-1: Decoder not found
[  108.825476][   T91] usb 2-1: config 0 has no interface number 0
[  108.832840][   T24] em28xx 3-1:0.161: failed to create media graph
[  108.835329][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  108.842417][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  108.853430][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  108.858369][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[  108.875593][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  108.879695][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  108.884287][ T6108] usb 4-1: config 0 has no interface number 0
[  108.906945][   T91] usb 2-1: Product: syz
[  108.911566][   T91] usb 2-1: Manufacturer: syz
[  108.916743][ T6111] em28xx 3-1:0.161: Closing input extension
[  108.926909][   T91] usb 2-1: SerialNumber: syz
[  108.930418][ T6111] em28xx 3-1:0.161: Freeing device
[  108.937268][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  108.940434][   T91] usb 2-1: config 0 descriptor??
[  108.948425][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  108.962472][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  108.963588][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  108.987792][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  108.993583][ T6108] usb 4-1: Product: syz
[  108.998611][ T5867] usb 1-1: new high-speed USB device number 12 using dummy_hcd
[  109.001833][ T6108] usb 4-1: Manufacturer: syz
[  109.016166][ T6108] usb 4-1: SerialNumber: syz
[  109.028372][ T6108] usb 4-1: config 0 descriptor??
[  109.040842][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  109.051705][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  109.165658][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  109.173532][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  109.182171][ T5867] usb 1-1: config 0 has no interface number 0
[  109.188856][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  109.198260][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  109.208384][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  109.217096][ T5867] usb 1-1: Product: syz
[  109.221785][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  109.228760][ T5867] usb 1-1: Manufacturer: syz
[  109.234164][ T5867] usb 1-1: SerialNumber: syz
[  109.242079][ T5867] usb 1-1: config 0 descriptor??
[  109.251439][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  109.261681][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  109.274741][ T6111] usb 3-1: new high-speed USB device number 13 using dummy_hcd
[  109.295004][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  109.308120][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  109.317291][   T91] em28xx 2-1:0.161: board has no eeprom
[  109.357569][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  109.366577][ T6108] em28xx 4-1:0.161: board has no eeprom
[  109.374537][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  109.383089][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  109.390625][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  109.401909][   T91] usb 2-1: USB disconnect, device number 13
[  109.416824][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  109.425057][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  109.451177][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  109.458235][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  109.473936][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  109.492216][ T6111] usb 3-1: config 0 has no interface number 0
[  109.499058][ T6108] usb 4-1: USB disconnect, device number 12
[  109.510428][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  109.510607][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  109.530796][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  109.551058][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  109.551689][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  109.560467][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  109.568110][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  109.577330][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  109.585545][ T6111] usb 3-1: Product: syz
[  109.595684][ T6111] usb 3-1: Manufacturer: syz
[  109.599563][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  109.601246][ T6111] usb 3-1: SerialNumber: syz
[  109.610467][ T5939] usb 2-1: Decoder not found
[  109.619677][ T5867] em28xx 1-1:0.161: board has no eeprom
[  109.621007][ T6111] usb 3-1: config 0 descriptor??
[  109.632148][ T5939] em28xx 2-1:0.161: failed to create media graph
[  109.641325][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  109.641957][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  109.651832][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  109.662794][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  109.677870][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[  109.694831][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  109.703430][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  109.737062][ T5867] usb 1-1: USB disconnect, device number 12
[  109.764221][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  109.858007][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  109.866769][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  109.875954][   T24] em28xx 4-1:0.161: No AC97 audio processor
[  109.883236][   T24] usb 4-1: Decoder not found
[  109.888160][   T24] em28xx 4-1:0.161: failed to create media graph
[  109.895332][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  109.901916][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  109.910304][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[  109.919438][   T91] em28xx 2-1:0.161: Closing input extension
[  109.925808][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[  109.938048][   T91] em28xx 2-1:0.161: Freeing device
[  110.024932][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  110.046609][ T6111] em28xx 3-1:0.161: board has no eeprom
[  110.068019][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  110.077794][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  110.085919][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[  110.093072][ T5939] usb 1-1: Decoder not found
[  110.100203][ T5939] em28xx 1-1:0.161: failed to create media graph
[  110.107906][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  110.116492][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[  110.125511][ T6108] em28xx 4-1:0.161: Closing input extension
[  110.131861][ T5867] em28xx 1-1:0.161: Closing input extension
[  110.134506][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  110.149077][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  110.154739][ T5867] em28xx 1-1:0.161: Freeing device
[  110.158951][ T6108] em28xx 4-1:0.161: Freeing device
[  110.173987][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  110.191009][ T6111] usb 3-1: USB disconnect, device number 13
[  110.212275][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  110.241605][   T91] usb 2-1: new high-speed USB device number 14 using dummy_hcd
[  110.349796][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  110.361057][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  110.369987][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  110.382462][ T6113] usb 3-1: Decoder not found
[  110.387901][ T6113] em28xx 3-1:0.161: failed to create media graph
[  110.394960][   T91] usb 2-1: Using ep0 maxpacket: 32
[  110.407560][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  110.408386][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  110.420127][   T91] usb 2-1: config 0 has no interface number 0
[  110.430865][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  110.439456][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  110.441273][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  110.451004][ T6111] em28xx 3-1:0.161: Closing input extension
[  110.460753][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  110.466647][ T6108] usb 4-1: new high-speed USB device number 13 using dummy_hcd
[  110.476414][ T5867] usb 1-1: new high-speed USB device number 13 using dummy_hcd
[  110.491254][   T91] usb 2-1: Product: syz
[  110.496029][   T91] usb 2-1: Manufacturer: syz
[  110.497197][ T6111] em28xx 3-1:0.161: Freeing device
[  110.501225][   T91] usb 2-1: SerialNumber: syz
[  110.520069][   T91] usb 2-1: config 0 descriptor??
[  110.530003][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  110.541189][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  110.635612][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  110.642689][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  110.652656][ T6108] usb 4-1: config 0 has no interface number 0
[  110.654718][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  110.659262][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  110.669137][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  110.676144][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  110.684823][ T5867] usb 1-1: config 0 has no interface number 0
[  110.692053][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  110.697579][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  110.705909][ T6108] usb 4-1: Product: syz
[  110.716704][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  110.718205][ T6108] usb 4-1: Manufacturer: syz
[  110.733555][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  110.734881][ T6108] usb 4-1: SerialNumber: syz
[  110.743129][ T5867] usb 1-1: Product: syz
[  110.752001][ T5867] usb 1-1: Manufacturer: syz
[  110.757745][ T6108] usb 4-1: config 0 descriptor??
[  110.758844][ T5867] usb 1-1: SerialNumber: syz
[  110.772886][ T5867] usb 1-1: config 0 descriptor??
[  110.779096][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  110.783736][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  110.789667][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  110.801175][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  110.814168][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  110.824680][ T6111] usb 3-1: new high-speed USB device number 14 using dummy_hcd
[  110.882531][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  110.893192][   T91] em28xx 2-1:0.161: board has no eeprom
[  110.954975][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  110.963195][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  110.978011][ T6121] em28xx 2-1:0.161: Registering V4L2 extension
[  110.995398][   T91] usb 2-1: USB disconnect, device number 14
[  111.006326][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  111.007546][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  111.023429][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  111.037339][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  111.045452][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  111.054703][ T6111] usb 3-1: config 0 has no interface number 0
[  111.066325][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  111.078715][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  111.093317][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  111.102098][ T6111] usb 3-1: Product: syz
[  111.107507][ T6111] usb 3-1: Manufacturer: syz
[  111.112433][ T6111] usb 3-1: SerialNumber: syz
[  111.116459][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  111.121907][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  111.133592][ T5867] em28xx 1-1:0.161: board has no eeprom
[  111.137907][ T6111] usb 3-1: config 0 descriptor??
[  111.151529][ T6108] em28xx 4-1:0.161: board has no eeprom
[  111.162204][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  111.168480][ T6121] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  111.172898][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  111.181543][ T6121] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  111.200085][ T6121] em28xx 2-1:0.161: No AC97 audio processor
[  111.208688][ T6121] usb 2-1: Decoder not found
[  111.213998][ T6121] em28xx 2-1:0.161: failed to create media graph
[  111.220910][ T6121] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  111.224575][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  111.228908][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  111.236565][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  111.254291][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  111.269412][ T6121] em28xx 2-1:0.161: Remote control support is not available for this card.
[  111.269702][ T6108] usb 4-1: USB disconnect, device number 13
[  111.290983][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  111.300855][ T6113] em28xx 4-1:0.161: Registering V4L2 extension
[  111.310535][ T5867] usb 1-1: USB disconnect, device number 13
[  111.336469][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  111.408889][ T6113] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  111.416837][ T6113] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  111.424222][ T6113] em28xx 4-1:0.161: No AC97 audio processor
[  111.431969][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  111.440205][ T6113] usb 4-1: Decoder not found
[  111.445198][ T6113] em28xx 4-1:0.161: failed to create media graph
[  111.451824][ T6113] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  111.459966][ T6113] em28xx 4-1:0.161: Remote control support is not available for this card.
[  111.469234][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[  111.524578][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  111.533656][ T6111] em28xx 3-1:0.161: board has no eeprom
[  111.601870][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  111.609698][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  111.617938][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[  111.624504][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  111.633194][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  111.633226][ T5939] usb 1-1: Decoder not found
[  111.646578][ T5939] em28xx 1-1:0.161: failed to create media graph
[  111.651070][ T6111] usb 3-1: USB disconnect, device number 14
[  111.662857][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  111.668789][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  111.677420][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[  111.687817][ T5867] em28xx 1-1:0.161: Closing input extension
[  111.694300][   T91] em28xx 2-1:0.161: Closing input extension
[  111.701579][ T6108] em28xx 4-1:0.161: Closing input extension
[  111.708823][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  111.709683][ T5867] em28xx 1-1:0.161: Freeing device
[  111.726372][   T91] em28xx 2-1:0.161: Freeing device
[  111.755576][ T6108] em28xx 4-1:0.161: Freeing device
[  111.852319][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  111.860517][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  111.872242][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  111.909942][ T6113] usb 3-1: Decoder not found
[  111.919200][ T6113] em28xx 3-1:0.161: failed to create media graph
[  111.928316][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  111.939926][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  111.949655][ T6111] em28xx 3-1:0.161: Closing input extension
[  111.961747][ T6111] em28xx 3-1:0.161: Freeing device
[  112.045126][ T5867] usb 1-1: new high-speed USB device number 14 using dummy_hcd
[  112.055093][   T91] usb 2-1: new high-speed USB device number 15 using dummy_hcd
[  112.104924][ T6108] usb 4-1: new high-speed USB device number 14 using dummy_hcd
[  112.214658][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  112.221584][   T91] usb 2-1: Using ep0 maxpacket: 32
[  112.229219][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  112.237997][ T5867] usb 1-1: config 0 has no interface number 0
[  112.244272][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  112.251368][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  112.260525][   T91] usb 2-1: config 0 has no interface number 0
[  112.267417][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  112.274525][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  112.278448][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  112.282243][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  112.289872][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  112.299072][ T6111] usb 3-1: new high-speed USB device number 15 using dummy_hcd
[  112.309440][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  112.316959][ T6108] usb 4-1: config 0 has no interface number 0
[  112.326018][   T91] usb 2-1: Product: syz
[  112.332989][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  112.336379][   T91] usb 2-1: Manufacturer: syz
[  112.349276][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  112.351288][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  112.357750][ T5867] usb 1-1: Product: syz
[  112.357768][ T5867] usb 1-1: Manufacturer: syz
[  112.357780][ T5867] usb 1-1: SerialNumber: syz
[  112.359398][   T91] usb 2-1: SerialNumber: syz
[  112.367951][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  112.372620][ T5867] usb 1-1: config 0 descriptor??
[  112.376652][ T6108] usb 4-1: Product: syz
[  112.387107][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  112.394804][ T6108] usb 4-1: Manufacturer: syz
[  112.405871][   T91] usb 2-1: config 0 descriptor??
[  112.419224][ T6108] usb 4-1: SerialNumber: syz
[  112.425567][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  112.439616][ T6108] usb 4-1: config 0 descriptor??
[  112.446935][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  112.448984][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  112.458283][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  112.468947][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  112.506123][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  112.513372][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  112.523312][ T6111] usb 3-1: config 0 has no interface number 0
[  112.530202][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  112.540724][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  112.550433][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  112.563566][ T6111] usb 3-1: Product: syz
[  112.568105][ T6111] usb 3-1: Manufacturer: syz
[  112.572954][ T6111] usb 3-1: SerialNumber: syz
[  112.581769][ T6111] usb 3-1: config 0 descriptor??
[  112.596201][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  112.606313][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  112.644849][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  112.684896][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  112.708312][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  112.718822][ T5867] em28xx 1-1:0.161: board has no eeprom
[  112.734970][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  112.748544][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  112.757670][   T91] em28xx 2-1:0.161: board has no eeprom
[  112.784547][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  112.794017][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  112.800351][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  112.800371][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  112.809857][ T6108] em28xx 4-1:0.161: board has no eeprom
[  112.817173][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  112.817195][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  112.838170][ T5867] usb 1-1: USB disconnect, device number 14
[  112.853626][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  112.855879][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  112.873780][   T91] usb 2-1: USB disconnect, device number 15
[  112.892902][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  112.935663][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  112.947112][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  112.953683][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  112.972002][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  112.982246][ T6108] usb 4-1: USB disconnect, device number 14
[  112.986754][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  112.996915][ T6111] em28xx 3-1:0.161: board has no eeprom
[  112.998251][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  113.010548][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  113.013814][ T6121] usb 1-1: Decoder not found
[  113.026387][ T6121] em28xx 1-1:0.161: failed to create media graph
[  113.033384][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  113.042265][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  113.052305][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  113.074575][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  113.084119][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
2026/02/21 00:23:11 executed programs: 62
[  113.106945][ T6111] usb 3-1: USB disconnect, device number 15
[  113.122048][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  113.210392][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  113.228405][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  113.240135][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  113.248138][ T5939] usb 2-1: Decoder not found
[  113.253010][ T5939] em28xx 2-1:0.161: failed to create media graph
[  113.261991][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  113.270788][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  113.281159][   T91] em28xx 2-1:0.161: Closing input extension
[  113.287581][   T24] em28xx 4-1:0.161: Registering V4L2 extension
[  113.290535][   T91] em28xx 2-1:0.161: Freeing device
[  113.400475][   T24] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  113.408511][   T24] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  113.417144][   T24] em28xx 4-1:0.161: No AC97 audio processor
[  113.427626][   T24] usb 4-1: Decoder not found
[  113.433691][   T24] em28xx 4-1:0.161: failed to create media graph
[  113.441233][   T24] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  113.452834][   T24] em28xx 4-1:0.161: Remote control support is not available for this card.
[  113.462408][ T5867] em28xx 1-1:0.161: Closing input extension
[  113.469207][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  113.475529][ T5867] em28xx 1-1:0.161: Freeing device
[  113.599235][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  113.610217][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  113.621923][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  113.633728][ T6113] usb 3-1: Decoder not found
[  113.638975][ T6113] em28xx 3-1:0.161: failed to create media graph
[  113.644993][   T91] usb 2-1: new high-speed USB device number 16 using dummy_hcd
[  113.646453][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  113.663742][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  113.673524][ T6108] em28xx 4-1:0.161: Closing input extension
[  113.680044][ T6111] em28xx 3-1:0.161: Closing input extension
[  113.690575][ T6111] em28xx 3-1:0.161: Freeing device
[  113.697551][ T6108] em28xx 4-1:0.161: Freeing device
[  113.774549][ T5867] usb 1-1: new high-speed USB device number 15 using dummy_hcd
[  113.804558][   T91] usb 2-1: Using ep0 maxpacket: 32
[  113.813211][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  113.822264][   T91] usb 2-1: config 0 has no interface number 0
[  113.829163][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  113.841283][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  113.851218][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  113.859909][   T91] usb 2-1: Product: syz
[  113.864780][   T91] usb 2-1: Manufacturer: syz
[  113.869927][   T91] usb 2-1: SerialNumber: syz
[  113.879413][   T91] usb 2-1: config 0 descriptor??
[  113.887218][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  113.898354][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  113.944602][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  113.952595][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  113.962554][ T5867] usb 1-1: config 0 has no interface number 0
[  113.969250][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  113.980589][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  113.991232][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  114.001835][ T5867] usb 1-1: Product: syz
[  114.004565][ T6108] usb 4-1: new high-speed USB device number 15 using dummy_hcd
[  114.007636][ T5867] usb 1-1: Manufacturer: syz
[  114.017866][ T6111] usb 3-1: new high-speed USB device number 16 using dummy_hcd
[  114.023809][ T5867] usb 1-1: SerialNumber: syz
[  114.040022][ T5867] usb 1-1: config 0 descriptor??
[  114.049011][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  114.059748][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  114.145364][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  114.184531][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  114.191713][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  114.199746][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  114.211322][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  114.220278][ T6108] usb 4-1: config 0 has no interface number 0
[  114.220924][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  114.226544][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  114.236691][   T91] em28xx 2-1:0.161: board has no eeprom
[  114.243056][ T6111] usb 3-1: config 0 has no interface number 0
[  114.259426][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  114.269987][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  114.279741][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  114.288322][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  114.299234][ T6111] usb 3-1: Product: syz
[  114.304300][ T6111] usb 3-1: Manufacturer: syz
[  114.309706][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  114.318499][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  114.320340][ T6111] usb 3-1: SerialNumber: syz
[  114.327942][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  114.333218][ T6108] usb 4-1: Product: syz
[  114.340151][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  114.351384][ T6108] usb 4-1: Manufacturer: syz
[  114.351406][ T6108] usb 4-1: SerialNumber: syz
[  114.359800][ T6108] usb 4-1: config 0 descriptor??
[  114.363519][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  114.368980][ T6111] usb 3-1: config 0 descriptor??
[  114.394136][   T91] usb 2-1: USB disconnect, device number 16
[  114.401191][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  114.401224][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  114.406146][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  114.428229][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  114.439557][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  114.452029][ T5867] em28xx 1-1:0.161: board has no eeprom
[  114.460008][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  114.514557][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  114.524276][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  114.532175][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  114.541703][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  114.554516][ T5867] usb 1-1: USB disconnect, device number 15
[  114.562207][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  114.572784][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  114.581093][ T5939] usb 2-1: Decoder not found
[  114.586036][ T5939] em28xx 2-1:0.161: failed to create media graph
[  114.608040][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  114.624598][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  114.633694][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  114.647088][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  114.696390][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  114.717344][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  114.726794][ T6108] em28xx 4-1:0.161: board has no eeprom
[  114.740335][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  114.747858][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  114.756390][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  114.765394][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  114.770139][ T6121] usb 1-1: Decoder not found
[  114.774687][ T6111] em28xx 3-1:0.161: board has no eeprom
[  114.779539][ T6121] em28xx 1-1:0.161: failed to create media graph
[  114.790976][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  114.790976][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  114.790998][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  114.820113][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  114.824889][ T6108] usb 4-1: USB disconnect, device number 15
[  114.848909][   T91] em28xx 2-1:0.161: Closing input extension
[  114.857826][ T6074] em28xx 4-1:0.161: Registering V4L2 extension
[  114.862898][   T91] em28xx 2-1:0.161: Freeing device
[  114.874815][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  114.884278][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  114.896339][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  114.926610][ T6111] usb 3-1: USB disconnect, device number 16
[  114.967718][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  115.053230][ T6074] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  115.061659][ T6074] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  115.071336][ T6074] em28xx 4-1:0.161: No AC97 audio processor
[  115.080922][ T6074] usb 4-1: Decoder not found
[  115.086271][ T6074] em28xx 4-1:0.161: failed to create media graph
[  115.093581][ T6074] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  115.101995][ T6074] em28xx 4-1:0.161: Remote control support is not available for this card.
[  115.111571][ T5867] em28xx 1-1:0.161: Closing input extension
[  115.122008][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  115.123420][ T5867] em28xx 1-1:0.161: Freeing device
[  115.236612][   T91] usb 2-1: new high-speed USB device number 17 using dummy_hcd
[  115.281824][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  115.294599][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  115.302144][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  115.310145][ T6113] usb 3-1: Decoder not found
[  115.315120][ T6113] em28xx 3-1:0.161: failed to create media graph
[  115.321924][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  115.330762][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  115.339923][ T6111] em28xx 3-1:0.161: Closing input extension
[  115.347931][ T6108] em28xx 4-1:0.161: Closing input extension
[  115.361247][ T6111] em28xx 3-1:0.161: Freeing device
[  115.368680][ T6108] em28xx 4-1:0.161: Freeing device
[  115.404606][   T91] usb 2-1: Using ep0 maxpacket: 32
[  115.414214][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  115.429461][   T91] usb 2-1: config 0 has no interface number 0
[  115.438578][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  115.450155][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  115.462612][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  115.472255][   T91] usb 2-1: Product: syz
[  115.478992][   T91] usb 2-1: Manufacturer: syz
[  115.483844][   T91] usb 2-1: SerialNumber: syz
[  115.489589][ T5867] usb 1-1: new high-speed USB device number 16 using dummy_hcd
[  115.505015][   T91] usb 2-1: config 0 descriptor??
[  115.516120][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  115.527472][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  115.644631][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  115.653307][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  115.662483][ T5867] usb 1-1: config 0 has no interface number 0
[  115.669279][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  115.679767][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  115.684703][ T6108] usb 4-1: new high-speed USB device number 16 using dummy_hcd
[  115.689477][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  115.697597][ T6111] usb 3-1: new high-speed USB device number 17 using dummy_hcd
[  115.707090][ T5867] usb 1-1: Product: syz
[  115.722837][ T5867] usb 1-1: Manufacturer: syz
[  115.730600][ T5867] usb 1-1: SerialNumber: syz
[  115.738128][ T5867] usb 1-1: config 0 descriptor??
[  115.746597][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  115.758691][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  115.785634][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  115.849455][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  115.860594][   T91] em28xx 2-1:0.161: board has no eeprom
[  115.864677][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  115.876173][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  115.885672][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  115.895651][ T6111] usb 3-1: config 0 has no interface number 0
[  115.903707][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  115.913081][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  115.920726][ T6108] usb 4-1: config 0 has no interface number 0
[  115.927617][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  115.934532][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  115.943515][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  115.946607][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  115.951550][    T9] em28xx 2-1:0.161: Registering V4L2 extension
[  115.970754][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  115.976238][   T91] usb 2-1: USB disconnect, device number 17
[  115.998244][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  116.010929][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  116.015789][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  116.034858][ T6108] usb 4-1: Product: syz
[  116.035381][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  116.039390][ T6108] usb 4-1: Manufacturer: syz
[  116.039403][ T6108] usb 4-1: SerialNumber: syz
[  116.044039][ T6111] usb 3-1: Product: syz
[  116.063222][ T6108] usb 4-1: config 0 descriptor??
[  116.074392][ T6111] usb 3-1: Manufacturer: syz
[  116.080179][ T6111] usb 3-1: SerialNumber: syz
[  116.082649][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  116.103832][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  116.113198][ T6111] usb 3-1: config 0 descriptor??
[  116.123409][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  116.131612][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  116.137365][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  116.157433][ T5867] em28xx 1-1:0.161: board has no eeprom
[  116.163848][    T9] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  116.172842][    T9] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  116.181514][    T9] em28xx 2-1:0.161: No AC97 audio processor
[  116.190568][    T9] usb 2-1: Decoder not found
[  116.196423][    T9] em28xx 2-1:0.161: failed to create media graph
[  116.205638][    T9] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  116.215234][    T9] em28xx 2-1:0.161: Remote control support is not available for this card.
[  116.224760][   T91] em28xx 2-1:0.161: Closing input extension
[  116.234587][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  116.243072][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  116.250595][   T91] em28xx 2-1:0.161: Freeing device
[  116.257828][ T5939] em28xx 1-1:0.161: Registering V4L2 extension
[  116.278467][ T5867] usb 1-1: USB disconnect, device number 16
[  116.290093][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  116.338123][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  116.374846][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  116.417628][ T5939] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  116.419165][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  116.427317][ T5939] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  116.439164][ T6108] em28xx 4-1:0.161: board has no eeprom
[  116.443714][ T5939] em28xx 1-1:0.161: No AC97 audio processor
[  116.454490][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  116.466348][ T5939] usb 1-1: Decoder not found
[  116.469636][ T6111] em28xx 3-1:0.161: board has no eeprom
[  116.481516][ T5939] em28xx 1-1:0.161: failed to create media graph
[  116.497624][ T5939] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  116.510835][ T5939] em28xx 1-1:0.161: Remote control support is not available for this card.
[  116.521719][ T5867] em28xx 1-1:0.161: Closing input extension
[  116.530896][ T5867] em28xx 1-1:0.161: Freeing device
[  116.534841][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  116.545678][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  116.559112][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  116.565617][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  116.573018][ T6074] em28xx 4-1:0.161: Registering V4L2 extension
[  116.592641][ T6108] usb 4-1: USB disconnect, device number 16
[  116.614309][ T6111] usb 3-1: USB disconnect, device number 17
[  116.624636][   T91] usb 2-1: new high-speed USB device number 18 using dummy_hcd
[  116.643840][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  116.659928][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  116.734179][ T6074] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  116.741809][ T6074] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  116.749834][ T6074] em28xx 4-1:0.161: No AC97 audio processor
[  116.758110][ T6074] usb 4-1: Decoder not found
[  116.763489][ T6074] em28xx 4-1:0.161: failed to create media graph
[  116.770718][ T6074] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  116.779310][ T6074] em28xx 4-1:0.161: Remote control support is not available for this card.
[  116.790272][ T6113] em28xx 3-1:0.161: Registering V4L2 extension
[  116.794548][   T91] usb 2-1: Using ep0 maxpacket: 32
[  116.808990][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  116.839034][   T91] usb 2-1: config 0 has no interface number 0
[  116.855347][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  116.875681][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  116.887337][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  116.898303][ T5867] usb 1-1: new high-speed USB device number 17 using dummy_hcd
[  116.912689][   T91] usb 2-1: Product: syz
[  116.918338][   T91] usb 2-1: Manufacturer: syz
[  116.923370][   T91] usb 2-1: SerialNumber: syz
[  116.931831][   T91] usb 2-1: config 0 descriptor??
[  116.941226][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  116.952487][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  116.969934][ T6113] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  116.978558][ T6113] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  116.987094][ T6113] em28xx 3-1:0.161: No AC97 audio processor
[  116.995803][ T6113] usb 3-1: Decoder not found
[  117.009926][ T6113] em28xx 3-1:0.161: failed to create media graph
[  117.022319][ T6113] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  117.033158][ T6113] em28xx 3-1:0.161: Remote control support is not available for this card.
[  117.047226][ T6108] em28xx 4-1:0.161: Closing input extension
[  117.054776][ T6111] em28xx 3-1:0.161: Closing input extension
[  117.068250][ T6108] em28xx 4-1:0.161: Freeing device
[  117.074516][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  117.085518][ T6111] em28xx 3-1:0.161: Freeing device
[  117.087147][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  117.103030][ T5867] usb 1-1: config 0 has no interface number 0
[  117.115448][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  117.130353][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  117.146393][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  117.159059][ T5867] usb 1-1: Product: syz
[  117.163530][ T5867] usb 1-1: Manufacturer: syz
[  117.170221][ T5867] usb 1-1: SerialNumber: syz
[  117.179123][ T5867] usb 1-1: config 0 descriptor??
[  117.192697][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  117.206364][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  117.216813][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  117.278413][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  117.288077][   T91] em28xx 2-1:0.161: board has no eeprom
[  117.344741][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  117.353025][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  117.359938][    T9] em28xx 2-1:0.161: Registering V4L2 extension
[  117.375536][   T91] usb 2-1: USB disconnect, device number 18
[  117.384662][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  117.388370][ T6108] usb 4-1: new high-speed USB device number 17 using dummy_hcd
[  117.425531][ T6111] usb 3-1: new high-speed USB device number 18 using dummy_hcd
[  117.455486][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  117.472111][    T9] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  117.479952][    T9] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  117.490828][    T9] em28xx 2-1:0.161: No AC97 audio processor
[  117.499463][    T9] usb 2-1: Decoder not found
[  117.505599][    T9] em28xx 2-1:0.161: failed to create media graph
[  117.512370][    T9] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  117.525964][    T9] em28xx 2-1:0.161: Remote control support is not available for this card.
[  117.535380][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  117.547720][   T91] em28xx 2-1:0.161: Closing input extension
[  117.554856][ T5867] em28xx 1-1:0.161: board has no eeprom
[  117.566300][   T91] em28xx 2-1:0.161: Freeing device
[  117.594601][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  117.600472][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  117.610140][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  117.614977][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  117.620806][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  117.638811][ T6108] usb 4-1: config 0 has no interface number 0
[  117.643091][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  117.654237][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  117.657085][    T9] em28xx 1-1:0.161: Registering V4L2 extension
[  117.664458][ T6111] usb 3-1: config 0 has no interface number 0
[  117.678136][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  117.688070][ T5867] usb 1-1: USB disconnect, device number 17
[  117.695795][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  117.706265][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  117.716551][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  117.723424][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  117.744668][ T6108] usb 4-1: Product: syz
[  117.758443][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  117.768631][ T6108] usb 4-1: Manufacturer: syz
[  117.774063][ T6108] usb 4-1: SerialNumber: syz
[  117.779458][ T6111] usb 3-1: Product: syz
[  117.783811][ T6111] usb 3-1: Manufacturer: syz
[  117.792617][ T6108] usb 4-1: config 0 descriptor??
[  117.799012][ T6111] usb 3-1: SerialNumber: syz
[  117.807617][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  117.820781][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  117.832347][ T6111] usb 3-1: config 0 descriptor??
[  117.843487][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  117.854009][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  117.871483][    T9] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  117.882488][    T9] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  117.890763][    T9] em28xx 1-1:0.161: No AC97 audio processor
[  117.904211][    T9] usb 1-1: Decoder not found
[  117.916060][    T9] em28xx 1-1:0.161: failed to create media graph
[  117.923057][    T9] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  117.939889][    T9] em28xx 1-1:0.161: Remote control support is not available for this card.
[  117.950068][ T5867] em28xx 1-1:0.161: Closing input extension
[  117.960172][ T5867] em28xx 1-1:0.161: Freeing device
[  118.045139][   T91] usb 2-1: new high-speed USB device number 19 using dummy_hcd
[  118.064984][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  118.094913][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  118.129013][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  118.140941][ T6108] em28xx 4-1:0.161: board has no eeprom
[  118.158538][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  118.167922][ T6111] em28xx 3-1:0.161: board has no eeprom
[  118.204556][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  118.212923][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  118.214578][   T91] usb 2-1: Using ep0 maxpacket: 32
[  118.219377][ T6074] em28xx 4-1:0.161: Registering V4L2 extension
[  118.236872][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  118.246673][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  118.251918][ T6108] usb 4-1: USB disconnect, device number 17
[  118.256208][ T5867] usb 1-1: new high-speed USB device number 18 using dummy_hcd
[  118.267225][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  118.278591][   T91] usb 2-1: config 0 has no interface number 0
[  118.285669][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  118.295982][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  118.306071][ T6111] usb 3-1: USB disconnect, device number 18
[  118.309466][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  118.337059][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  118.343386][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  118.343413][   T91] usb 2-1: Product: syz
[  118.343427][   T91] usb 2-1: Manufacturer: syz
[  118.343439][   T91] usb 2-1: SerialNumber: syz
[  118.357995][   T91] usb 2-1: config 0 descriptor??
[  118.390506][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  118.403042][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  118.441664][ T6074] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  118.455177][ T6074] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  118.462415][ T6074] em28xx 4-1:0.161: No AC97 audio processor
[  118.462530][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  118.475076][ T6074] usb 4-1: Decoder not found
[  118.480159][ T6074] em28xx 4-1:0.161: failed to create media graph
[  118.488287][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  118.489934][ T6074] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  118.504604][ T5867] usb 1-1: config 0 has no interface number 0
[  118.511394][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  118.512708][ T6074] em28xx 4-1:0.161: Remote control support is not available for this card.
[  118.521815][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
2026/02/21 00:23:16 executed programs: 76
[  118.528462][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[  118.537998][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  118.553876][ T5867] usb 1-1: Product: syz
[  118.573797][ T5867] usb 1-1: Manufacturer: syz
[  118.580158][ T5867] usb 1-1: SerialNumber: syz
[  118.610498][ T5867] usb 1-1: config 0 descriptor??
[  118.646109][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  118.660975][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  118.667770][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  118.715894][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  118.723391][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  118.731838][   T24] em28xx 3-1:0.161: No AC97 audio processor
[  118.740371][   T24] usb 3-1: Decoder not found
[  118.746601][   T24] em28xx 3-1:0.161: failed to create media graph
[  118.748136][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  118.759988][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  118.765396][   T91] em28xx 2-1:0.161: board has no eeprom
[  118.775943][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[  118.786947][ T6108] em28xx 4-1:0.161: Closing input extension
[  118.794390][ T6111] em28xx 3-1:0.161: Closing input extension
[  118.807286][ T6108] em28xx 4-1:0.161: Freeing device
[  118.820113][ T6111] em28xx 3-1:0.161: Freeing device
[  118.836522][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  118.857823][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  118.864013][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  118.892910][   T91] usb 2-1: USB disconnect, device number 19
[  118.905569][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  118.923767][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  118.974355][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  119.004661][ T5867] em28xx 1-1:0.161: board has no eeprom
[  119.037762][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  119.045293][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  119.052808][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  119.066132][ T5939] usb 2-1: Decoder not found
[  119.071100][ T5939] em28xx 2-1:0.161: failed to create media graph
[  119.078390][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  119.087036][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  119.096217][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  119.105597][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  119.116508][ T5867] usb 1-1: USB disconnect, device number 18
[  119.122717][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  119.129692][ T6108] usb 4-1: new high-speed USB device number 18 using dummy_hcd
[  119.135907][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  119.138370][ T6111] usb 3-1: new high-speed USB device number 19 using dummy_hcd
[  119.218298][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  119.225992][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  119.233544][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  119.241805][ T6121] usb 1-1: Decoder not found
[  119.247113][ T6121] em28xx 1-1:0.161: failed to create media graph
[  119.253801][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  119.262655][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  119.272659][   T91] em28xx 2-1:0.161: Closing input extension
[  119.281274][ T5867] em28xx 1-1:0.161: Closing input extension
[  119.291066][   T91] em28xx 2-1:0.161: Freeing device
[  119.300113][ T5867] em28xx 1-1:0.161: Freeing device
[  119.304633][ T6108] usb 4-1: Using ep0 maxpacket: 32
[  119.311287][ T6111] usb 3-1: Using ep0 maxpacket: 32
[  119.323542][ T6111] usb 3-1: config 0 has an invalid interface number: 161 but max is 0
[  119.341028][ T6111] usb 3-1: config 0 has no interface number 0
[  119.349989][ T6108] usb 4-1: config 0 has an invalid interface number: 161 but max is 0
[  119.372035][ T6111] usb 3-1: config 0 interface 161 has no altsetting 0
[  119.382535][ T6108] usb 4-1: config 0 has no interface number 0
[  119.408720][ T6108] usb 4-1: config 0 interface 161 has no altsetting 0
[  119.408872][ T6111] usb 3-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  119.436469][ T6111] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  119.447295][ T6111] usb 3-1: Product: syz
[  119.452032][ T6111] usb 3-1: Manufacturer: syz
[  119.457151][ T6108] usb 4-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  119.467061][ T6108] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  119.477562][ T6111] usb 3-1: SerialNumber: syz
[  119.485028][ T6111] usb 3-1: config 0 descriptor??
[  119.494043][ T6108] usb 4-1: Product: syz
[  119.499089][ T6108] usb 4-1: Manufacturer: syz
[  119.506873][ T6111] em28xx 3-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  119.518910][ T6108] usb 4-1: SerialNumber: syz
[  119.525194][ T6111] em28xx 3-1:0.161: Video interface 161 found: bulk
[  119.535033][ T6108] usb 4-1: config 0 descriptor??
[  119.543151][ T6108] em28xx 4-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  119.553550][ T6108] em28xx 4-1:0.161: Video interface 161 found: bulk
[  119.625446][   T91] usb 2-1: new high-speed USB device number 20 using dummy_hcd
[  119.714664][ T5867] usb 1-1: new high-speed USB device number 19 using dummy_hcd
[  119.776829][ T6111] em28xx 3-1:0.161: unknown em28xx chip ID (0)
[  119.784727][   T91] usb 2-1: Using ep0 maxpacket: 32
[  119.792027][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  119.794991][ T6108] em28xx 4-1:0.161: unknown em28xx chip ID (0)
[  119.801252][   T91] usb 2-1: config 0 has no interface number 0
[  119.813299][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  119.822927][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  119.832419][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  119.840798][   T91] usb 2-1: Product: syz
[  119.845121][   T91] usb 2-1: Manufacturer: syz
[  119.850048][   T91] usb 2-1: SerialNumber: syz
[  119.851902][ T6111] em28xx 3-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  119.858569][   T91] usb 2-1: config 0 descriptor??
[  119.870546][ T6111] em28xx 3-1:0.161: board has no eeprom
[  119.873809][   T91] em28xx 2-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  119.885919][ T6108] em28xx 4-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  119.887641][ T5867] usb 1-1: Using ep0 maxpacket: 32
[  119.897764][ T6108] em28xx 4-1:0.161: board has no eeprom
[  119.902517][   T91] em28xx 2-1:0.161: Video interface 161 found: bulk
[  119.917445][ T5867] usb 1-1: config 0 has an invalid interface number: 161 but max is 0
[  119.926417][ T5867] usb 1-1: config 0 has no interface number 0
[  119.932794][ T5867] usb 1-1: config 0 interface 161 has no altsetting 0
[  119.941881][ T5867] usb 1-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  119.944558][ T6111] em28xx 3-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  119.952016][ T5867] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  119.969541][ T5867] usb 1-1: Product: syz
[  119.969539][ T6111] em28xx 3-1:0.161: analog set to bulk mode.
[  119.969596][   T24] em28xx 3-1:0.161: Registering V4L2 extension
[  119.974113][ T5867] usb 1-1: Manufacturer: syz
[  119.974134][ T5867] usb 1-1: SerialNumber: syz
[  119.995191][ T5867] usb 1-1: config 0 descriptor??
[  119.999819][ T6108] em28xx 4-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  120.011309][ T5867] em28xx 1-1:0.161: New device syz syz @ 480 Mbps (0413:6023, interface 161, class 161)
[  120.016665][ T6108] em28xx 4-1:0.161: analog set to bulk mode.
[  120.026603][ T5867] em28xx 1-1:0.161: Video interface 161 found: bulk
[  120.038839][ T6111] usb 3-1: USB disconnect, device number 19
[  120.053144][ T6111] em28xx 3-1:0.161: Disconnecting em28xx
[  120.072864][ T6108] usb 4-1: USB disconnect, device number 18
[  120.106683][ T6108] em28xx 4-1:0.161: Disconnecting em28xx
[  120.124861][   T91] em28xx 2-1:0.161: unknown em28xx chip ID (0)
[  120.179162][   T24] em28xx 3-1:0.161: Config register raw data: 0xffffffed
[  120.191929][   T24] em28xx 3-1:0.161: AC97 chip type couldn't be determined
[  120.199334][   T24] em28xx 3-1:0.161: No AC97 audio processor
[  120.208249][   T91] em28xx 2-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  120.208853][   T24] usb 3-1: Decoder not found
[  120.219463][   T91] em28xx 2-1:0.161: board has no eeprom
[  120.223609][   T24] em28xx 3-1:0.161: failed to create media graph
[  120.241476][   T24] em28xx 3-1:0.161: V4L2 device video103 deregistered
[  120.267114][   T24] em28xx 3-1:0.161: Remote control support is not available for this card.
[  120.280964][ T6113] em28xx 4-1:0.161: Registering V4L2 extension
[  120.284967][ T5867] em28xx 1-1:0.161: unknown em28xx chip ID (0)
[  120.298169][   T91] em28xx 2-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  120.327828][   T91] em28xx 2-1:0.161: analog set to bulk mode.
[  120.361050][   T91] usb 2-1: USB disconnect, device number 20
[  120.378953][   T91] em28xx 2-1:0.161: Disconnecting em28xx
[  120.400847][ T5867] em28xx 1-1:0.161: failed to trigger read from i2c address 0xa0 (error=-5)
[  120.420164][ T5867] em28xx 1-1:0.161: board has no eeprom
[  120.433020][ T6113] em28xx 4-1:0.161: Config register raw data: 0xffffffed
[  120.444814][ T6113] em28xx 4-1:0.161: AC97 chip type couldn't be determined
[  120.453108][ T6113] em28xx 4-1:0.161: No AC97 audio processor
[  120.460444][ T6113] usb 4-1: Decoder not found
[  120.465842][ T6113] em28xx 4-1:0.161: failed to create media graph
[  120.473181][ T6113] em28xx 4-1:0.161: V4L2 device video103 deregistered
[  120.482594][ T6113] em28xx 4-1:0.161: Remote control support is not available for this card.
[  120.492837][ T6111] em28xx 3-1:0.161: Closing input extension
[  120.495360][ T5867] em28xx 1-1:0.161: Identified as Leadtek Winfast USB II (card=7)
[  120.507514][ T5939] em28xx 2-1:0.161: Registering V4L2 extension
[  120.515820][ T5867] em28xx 1-1:0.161: analog set to bulk mode.
[  120.528841][ T6111] em28xx 3-1:0.161: Freeing device
[  120.562041][ T5867] usb 1-1: USB disconnect, device number 19
[  120.579866][ T5867] em28xx 1-1:0.161: Disconnecting em28xx
[  120.670372][ T5939] em28xx 2-1:0.161: Config register raw data: 0xffffffed
[  120.678258][ T5939] em28xx 2-1:0.161: AC97 chip type couldn't be determined
[  120.688531][ T5939] em28xx 2-1:0.161: No AC97 audio processor
[  120.701051][ T5939] usb 2-1: Decoder not found
[  120.706148][ T5939] em28xx 2-1:0.161: failed to create media graph
[  120.713459][ T5939] em28xx 2-1:0.161: V4L2 device video103 deregistered
[  120.722824][ T5939] em28xx 2-1:0.161: Remote control support is not available for this card.
[  120.732679][   T91] em28xx 2-1:0.161: Closing input extension
[  120.743111][ T6108] em28xx 4-1:0.161: Closing input extension
[  120.755983][ T6121] em28xx 1-1:0.161: Registering V4L2 extension
[  120.762753][   T91] em28xx 2-1:0.161: Freeing device
[  120.776139][ T6108] em28xx 4-1:0.161: Freeing device
[  120.846341][ T6111] usb 3-1: new high-speed USB device number 20 using dummy_hcd
[  120.918225][ T6121] em28xx 1-1:0.161: Config register raw data: 0xffffffed
[  120.925952][ T6121] em28xx 1-1:0.161: AC97 chip type couldn't be determined
[  120.934139][ T6121] em28xx 1-1:0.161: No AC97 audio processor
[  120.943597][ T6121] usb 1-1: Decoder not found
[  120.949938][ T6121] em28xx 1-1:0.161: failed to create media graph
[  120.959892][ T6121] em28xx 1-1:0.161: V4L2 device video103 deregistered
[  120.970530][ T6121] em28xx 1-1:0.161: Remote control support is not available for this card.
[  120.976098][ T6489] ==================================================================
[  120.980649][ T5867] em28xx 1-1:0.161: Closing input extension
[  120.989483][ T6489] BUG: KASAN: slab-use-after-free in v4l2_fh_open+0xac/0x420
[  120.989514][ T6489] Read of size 8 at addr ffff88807b85c748 by task v4l_id/6489
[  120.989526][ T6489] 
[  120.989553][ T6489] CPU: 1 UID: 0 PID: 6489 Comm: v4l_id Not tainted syzkaller #0 PREEMPT(full) 
[  120.989568][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  120.989586][ T6489] Call Trace:
[  120.989602][ T6489]  <TASK>
[  120.989610][ T6489]  dump_stack_lvl+0xe8/0x150
[  120.989632][ T6489]  print_report+0xba/0x230
[  120.989652][ T6489]  ? v4l2_fh_open+0xac/0x420
[  120.989666][ T6489]  kasan_report+0x117/0x150
[  120.989686][ T6489]  ? v4l2_fh_open+0xac/0x420
[  120.989703][ T6489]  v4l2_fh_open+0xac/0x420
[  120.989718][ T6489]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[  120.989735][ T6489]  em28xx_v4l2_open+0x157/0x9a0
[  120.989754][ T6489]  ? do_raw_spin_lock+0x12b/0x2f0
[  120.989773][ T6489]  v4l2_open+0x1bf/0x3a0
[  120.989791][ T6489]  chrdev_open+0x4cd/0x5e0
[  120.989810][ T6489]  ? __pfx_chrdev_open+0x10/0x10
[  120.989826][ T6489]  ? fsnotify_open_perm_and_set_mode+0x135/0x6d0
[  120.989851][ T6489]  ? __pfx_chrdev_open+0x10/0x10
[  120.989868][ T6489]  do_dentry_open+0x785/0x14e0
[  120.989893][ T6489]  vfs_open+0x3b/0x340
[  120.989910][ T6489]  ? path_openat+0x2df0/0x3860
[  120.989927][ T6489]  path_openat+0x2e08/0x3860
[  120.989948][ T6489]  ? __pfx_stack_trace_save+0x10/0x10
[  120.989965][ T6489]  ? stack_depot_save_flags+0x33/0x810
[  120.989991][ T6489]  ? __pfx_path_openat+0x10/0x10
[  120.990005][ T6489]  ? __x64_sys_openat+0x138/0x170
[  120.990025][ T6489]  ? do_syscall_64+0x14d/0xf80
[  120.990038][ T6489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  120.990057][ T6489]  ? __lock_acquire+0x6b5/0x2cf0
[  120.990078][ T6489]  do_file_open+0x23e/0x4a0
[  120.990096][ T6489]  ? __pfx_do_file_open+0x10/0x10
[  120.990119][ T6489]  ? _raw_spin_unlock+0x28/0x50
[  120.990138][ T6489]  ? alloc_fd+0x64b/0x6c0
[  120.990161][ T6489]  do_sys_openat2+0x113/0x200
[  120.990182][ T6489]  ? __pfx_do_sys_openat2+0x10/0x10
[  120.990202][ T6489]  ? exc_page_fault+0x6a/0xc0
[  120.990224][ T6489]  ? do_user_addr_fault+0xc6f/0x1340
[  120.990244][ T6489]  __x64_sys_openat+0x138/0x170
[  120.990266][ T6489]  do_syscall_64+0x14d/0xf80
[  120.990280][ T6489]  ? trace_irq_disable+0x3b/0x150
[  120.990300][ T6489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  120.990315][ T6489]  ? clear_bhb_loop+0x40/0x90
[  120.990332][ T6489]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  120.990348][ T6489] RIP: 0033:0x7f63480a7407
[  120.990368][ T6489] 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
[  120.990382][ T6489] RSP: 002b:00007ffe637fa6f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  120.990403][ T6489] RAX: ffffffffffffffda RBX: 00007f6348886880 RCX: 00007f63480a7407
[  120.990415][ T6489] RDX: 0000000000000000 RSI: 00007ffe637fbf1c RDI: ffffffffffffff9c
[  120.990425][ T6489] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  120.990434][ T6489] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  120.990444][ T6489] R13: 00007ffe637fa940 R14: 00007f63489ed000 R15: 000055cc03ab04d8
[  120.990462][ T6489]  </TASK>
[  120.990468][ T6489] 
[  121.124776][   T91] usb 2-1: new high-speed USB device number 21 using dummy_hcd
[  121.126886][ T6489] Allocated by task 6121:
[  121.345401][ T6489]  kasan_save_track+0x3e/0x80
[  121.350159][ T6489]  __kasan_kmalloc+0x93/0xb0
[  121.354820][ T6489]  __kmalloc_cache_noprof+0x31c/0x660
[  121.360351][ T6489]  em28xx_v4l2_init+0x10b/0x2e70
[  121.365539][ T6489]  em28xx_init_extension+0x120/0x1c0
[  121.371491][ T6489]  process_one_work+0x949/0x1650
[  121.374651][   T91] usb 2-1: Using ep0 maxpacket: 32
[  121.376793][ T6489]  worker_thread+0xb46/0x1140
[  121.386987][   T91] usb 2-1: config 0 has an invalid interface number: 161 but max is 0
[  121.387710][ T6489]  kthread+0x388/0x470
[  121.398818][   T91] usb 2-1: config 0 has no interface number 0
[  121.402116][ T6489]  ret_from_fork+0x51e/0xb90
[  121.409295][   T91] usb 2-1: config 0 interface 161 has no altsetting 0
[  121.413494][ T6489]  ret_from_fork_asm+0x1a/0x30
[  121.413528][ T6489] 
[  121.413532][ T6489] Freed by task 6121:
[  121.413541][ T6489]  kasan_save_track+0x3e/0x80
[  121.413555][ T6489]  kasan_save_free_info+0x46/0x50
[  121.413576][ T6489]  __kasan_slab_free+0x5c/0x80
[  121.413589][ T6489]  kfree+0x1c1/0x630
[  121.413608][ T6489]  em28xx_v4l2_init+0x1683/0x2e70
[  121.413626][ T6489]  em28xx_init_extension+0x120/0x1c0
[  121.413641][ T6489]  process_one_work+0x949/0x1650
[  121.413658][ T6489]  worker_thread+0xb46/0x1140
[  121.413676][ T6489]  kthread+0x388/0x470
[  121.413689][ T6489]  ret_from_fork+0x51e/0xb90
[  121.413708][ T6489]  ret_from_fork_asm+0x1a/0x30
[  121.413728][ T6489] 
[  121.413733][ T6489] The buggy address belongs to the object at ffff88807b85c000
[  121.413733][ T6489]  which belongs to the cache kmalloc-8k of size 8192
[  121.413748][ T6489] The buggy address is located 1864 bytes inside of
[  121.413748][ T6489]  freed 8192-byte region [ffff88807b85c000, ffff88807b85e000)
[  121.413766][ T6489] 
[  121.413772][ T6489] The buggy address belongs to the physical page:
[  121.413798][ T6489] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7b858
[  121.413814][ T6489] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[  121.413827][ T6489] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[  121.413847][ T6489] page_type: f5(slab)
[  121.413861][ T6489] raw: 00fff00000000040 ffff88813ff1f280 dead000000000100 dead000000000122
[  121.413875][ T6489] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  121.413888][ T6489] head: 00fff00000000040 ffff88813ff1f280 dead000000000100 dead000000000122
[  121.413902][ T6489] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  121.413916][ T6489] head: 00fff00000000003 ffffea0001ee1601 00000000ffffffff 00000000ffffffff
[  121.413928][ T6489] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[  121.413935][ T6489] page dumped because: kasan: bad access detected
[  121.413946][ T6489] page_owner tracks the page as allocated
[  121.413952][ T6489] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5843, tgid 5843 (syz-executor), ts 78868366893, free_ts 78761091176
[  121.413979][ T6489]  post_alloc_hook+0x231/0x280
[  121.413995][ T6489]  get_page_from_freelist+0x24dc/0x2580
[  121.414012][ T6489]  __alloc_frozen_pages_noprof+0x18d/0x380
[  121.414029][ T6489]  allocate_slab+0x77/0x660
[  121.414047][ T6489]  refill_objects+0x331/0x3c0
[  121.414064][ T6489]  __pcs_replace_empty_main+0x2b9/0x620
[  121.414082][ T6489]  __kmalloc_cache_noprof+0x392/0x660
[  121.414096][ T6489]  ipv4_sysctl_init_net+0x25d/0x3b0
[  121.430568][   T91] usb 2-1: New USB device found, idVendor=0413, idProduct=6023, bcdDevice=31.ae
[  121.433893][ T6489]  ops_init+0x35c/0x5c0
[  121.433919][ T6489]  setup_net+0x118/0x340
[  121.433934][ T6489]  copy_net_ns+0x50e/0x730
[  121.439302][   T91] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  121.443787][ T6489]  create_new_namespaces+0x3e7/0x6a0
[  121.449252][   T91] usb 2-1: Product: syz
[  121.452959][ T6489]  unshare_nsproxy_namespaces+0x11a/0x160
[  121.452984][ T6489]  ksys_unshare+0x51d/0x960
[  121.453005][ T6489]  __x64_sys_unshare+0x38/0x50
[  121.459164][   T91] usb 2-1: Manufacturer: syz
[  121.463877][ T6489]  do_syscall_64+0x14d/0xf80
[  121.470260][   T91] usb 2-1: SerialNumber: syz
[  121.474760][ T6489] page last free pid 5839 tgid 5839 stack trace:
[  121.474774][ T6489]  __free_frozen_pages+0xc2b/0xdb0
[  121.474796][ T6489]  __slab_free+0x263/0x2b0
[  121.474810][ T6489]  qlist_free_all+0x97/0x100
[  121.474822][ T6489]  kasan_quarantine_reduce+0x148/0x160
[  121.474834][ T6489]  __kasan_slab_alloc+0x22/0x80
[  121.474848][ T6489]  kmem_cache_alloc_noprof+0x2bc/0x650
[  121.474868][ T6489]  vm_area_dup+0x2b/0x680
[  121.474882][ T6489]  __split_vma+0x1dc/0xa40
[  121.474900][ T6489]  vma_modify+0xa30/0x2060
[  121.474916][ T6489]  vma_modify_flags+0x24b/0x330
[  121.474931][ T6489]  mprotect_fixup+0x47a/0xa80
[  121.474947][ T6489]  do_mprotect_pkey+0x8ab/0xcd0
[  121.474963][ T6489]  __x64_sys_mprotect+0x80/0x90
[  121.474976][ T6489]  do_syscall_64+0x14d/0xf80
[  121.474989][ T6489]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  121.475005][ T6489] 
[  121.475009][ T6489] Memory state around the buggy address:
[  121.475018][ T6489]  ffff88807b85c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  121.475030][ T6489]  ffff88807b85c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  121.475039][ T6489] >ffff88807b85c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  121.475046][ T6489]                                               ^
[  121.475054][ T6489]  ffff88807b85c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  121.475064][ T6489]  ffff88807b85c800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  121.475072][ T6489] ==================================================================
[  121.478495][ T6489] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  121.478514][ T6489] CPU: 1 UID: 0 PID: 6489 Comm: v4l_id Not tainted syzkaller #0 PREEMPT(full) 
[  121.478533][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  121.478544][ T6489] Call Trace:
[  121.478551][ T6489]  <TASK>
[  121.478558][ T6489]  vpanic+0x56c/0xa60
[  121.478586][ T6489]  ? __pfx_vpanic+0x10/0x10
[  121.478610][ T6489]  panic+0xc5/0xd0
[  121.478631][ T6489]  ? __pfx_panic+0x10/0x10
[  121.478652][ T6489]  ? preempt_schedule_thunk+0x16/0x30
[  121.478671][ T6489]  ? preempt_schedule_thunk+0x16/0x30
[  121.478688][ T6489]  ? v4l2_fh_open+0xac/0x420
[  121.478703][ T6489]  check_panic_on_warn+0x89/0xb0
[  121.478722][ T6489]  ? v4l2_fh_open+0xac/0x420
[  121.478736][ T6489]  end_report+0x73/0x180
[  121.478754][ T6489]  ? v4l2_fh_open+0xac/0x420
[  121.478767][ T6489]  kasan_report+0x128/0x150
[  121.478785][ T6489]  ? v4l2_fh_open+0xac/0x420
[  121.478802][ T6489]  v4l2_fh_open+0xac/0x420
[  121.478818][ T6489]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[  121.478837][ T6489]  em28xx_v4l2_open+0x157/0x9a0
[  121.478857][ T6489]  ? do_raw_spin_lock+0x12b/0x2f0
[  121.478876][ T6489]  v4l2_open+0x1bf/0x3a0
[  121.478894][ T6489]  chrdev_open+0x4cd/0x5e0
[  121.478913][ T6489]  ? __pfx_chrdev_open+0x10/0x10
[  121.478931][ T6489]  ? fsnotify_open_perm_and_set_mode+0x135/0x6d0
[  121.478957][ T6489]  ? __pfx_chrdev_open+0x10/0x10
[  121.478973][ T6489]  do_dentry_open+0x785/0x14e0
[  121.478998][ T6489]  vfs_open+0x3b/0x340
[  121.479017][ T6489]  ? path_openat+0x2df0/0x3860
[  121.479033][ T6489]  path_openat+0x2e08/0x3860
[  121.479054][ T6489]  ? __pfx_stack_trace_save+0x10/0x10
[  121.479073][ T6489]  ? stack_depot_save_flags+0x33/0x810
[  121.479099][ T6489]  ? __pfx_path_openat+0x10/0x10
[  121.479113][ T6489]  ? __x64_sys_openat+0x138/0x170
[  121.479133][ T6489]  ? do_syscall_64+0x14d/0xf80
[  121.479147][ T6489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  121.479165][ T6489]  ? __lock_acquire+0x6b5/0x2cf0
[  121.479188][ T6489]  do_file_open+0x23e/0x4a0
[  121.479205][ T6489]  ? __pfx_do_file_open+0x10/0x10
[  121.479229][ T6489]  ? _raw_spin_unlock+0x28/0x50
[  121.479248][ T6489]  ? alloc_fd+0x64b/0x6c0
[  121.479272][ T6489]  do_sys_openat2+0x113/0x200
[  121.479293][ T6489]  ? __pfx_do_sys_openat2+0x10/0x10
[  121.479322][ T6489]  ? exc_page_fault+0x6a/0xc0
[  121.479345][ T6489]  ? do_user_addr_fault+0xc6f/0x1340
[  121.479365][ T6489]  __x64_sys_openat+0x138/0x170
[  121.479388][ T6489]  do_syscall_64+0x14d/0xf80
[  121.479401][ T6489]  ? trace_irq_disable+0x3b/0x150
[  121.479422][ T6489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  121.479439][ T6489]  ? clear_bhb_loop+0x40/0x90
[  121.479456][ T6489]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  121.479472][ T6489] RIP: 0033:0x7f63480a7407
[  121.479488][ T6489] 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
[  121.479501][ T6489] RSP: 002b:00007ffe637fa6f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  122.246185][ T6489] RAX: ffffffffffffffda RBX: 00007f6348886880 RCX: 00007f63480a7407
[  122.254591][ T6489] RDX: 0000000000000000 RSI: 00007ffe637fbf1c RDI: ffffffffffffff9c
[  122.262915][ T6489] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  122.271059][ T6489] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  122.279293][ T6489] R13: 00007ffe637fa940 R14: 00007f63489ed000 R15: 000055cc03ab04d8
[  122.288523][ T6489]  </TASK>
[  122.292693][ T6489] Kernel Offset: disabled
[  122.297119][ T6489] Rebooting in 86400 seconds..