Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.732328][ T3084] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 67.092273][ T3084] usb 1-1: config 0 has an invalid interface number: 145 but max is 3 [ 67.100776][ T3084] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 67.110855][ T3084] usb 1-1: config 0 has an invalid interface number: 205 but max is 3 [ 67.119857][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 67.129747][ T3084] usb 1-1: config 0 has an invalid interface number: 76 but max is 3 [ 67.138691][ T3084] usb 1-1: config 0 has an invalid interface number: 206 but max is 3 [ 67.147666][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 67.157299][ T3084] usb 1-1: config 0 has no interface number 0 [ 67.164238][ T3084] usb 1-1: config 0 has no interface number 1 [ 67.170327][ T3084] usb 1-1: config 0 has no interface number 2 [ 67.177591][ T3084] usb 1-1: config 0 has no interface number 3 [ 67.184608][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0x4 has invalid maxpacket 8 [ 67.195476][ T3084] usb 1-1: config 0 interface 145 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 67.207197][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0xE has invalid maxpacket 8 [ 67.217877][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 67.229404][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xA, skipping [ 67.240889][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 67.252520][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 67.264175][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xF, skipping [ 67.275903][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 67.287347][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 67.298826][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 67.310295][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x4, skipping [ 67.321795][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 67.333338][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 67.345012][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x5, skipping [ 67.356599][ T3084] usb 1-1: config 0 interface 205 altsetting 6 endpoint 0x9 has an invalid bInterval 132, changing to 11 [ 67.368808][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has 10 endpoint descriptors, different from the interface descriptor's value: 13 [ 67.382987][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 67.394584][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0x5, skipping [ 67.406160][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 67.417645][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 67.430418][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has 4 endpoint descriptors, different from the interface descriptor's value: 3 [ 67.444217][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 67.455810][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xD, skipping [ 67.467522][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 67.479130][ T3084] usb 1-1: config 0 interface 206 altsetting 249 endpoint 0x3 has an invalid bInterval 34, changing to 9 [ 67.491313][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 67.503120][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x3, skipping [ 67.514943][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint with address 0x0, skipping [ 67.526616][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 67.538299][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 67.550552][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 67.562754][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint descriptor of length 2, skipping [ 67.576297][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 67.588726][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x7, skipping [ 67.600376][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has 14 endpoint descriptors, different from the interface descriptor's value: 13 [ 67.614640][ T3084] usb 1-1: config 0 interface 205 has no altsetting 0 [ 67.621412][ T3084] usb 1-1: config 0 interface 206 has no altsetting 0 [ 67.792222][ T3084] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=8f.d4 [ 67.801313][ T3084] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 67.809641][ T3084] usb 1-1: Product: syz [ 67.814004][ T3084] usb 1-1: Manufacturer: syz [ 67.818602][ T3084] usb 1-1: SerialNumber: syz [ 67.829709][ T3084] usb 1-1: config 0 descriptor?? [ 67.853261][ T8491] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 68.125384][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 68.134458][ T3084] pvrusb2: ********** [ 68.138986][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 68.153353][ T3084] pvrusb2: Important functionality might not be entirely working. [ 68.162578][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 68.175229][ T3084] pvrusb2: ********** [ 68.192857][ T4041] pvrusb2: Invalid write control endpoint [ 68.243864][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 68.251064][ T3084] pvrusb2: ********** [ 68.259233][ T4041] pvrusb2: Invalid write control endpoint [ 68.265678][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 68.278111][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 68.289650][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 68.298279][ T3084] pvrusb2: Important functionality might not be entirely working. [ 68.302266][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 68.307024][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 68.317515][ T4041] pvrusb2: Device being rendered inoperable [ 68.328949][ T3084] pvrusb2: ********** [ 68.335663][ T4041] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 68.339308][ T3084] usb 1-1: selecting invalid altsetting 0 [ 68.345932][ T4041] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 68.363174][ T4041] pvrusb2: Attached sub-driver cx25840 [ 68.368904][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 68.379089][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 68.388587][ T4041] pvrusb2: Invalid write control endpoint [ 68.400989][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 68.410107][ T4041] pvrusb2: Invalid write control endpoint [ 68.414048][ T3084] pvrusb2: ********** [ 68.419919][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 68.421995][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 68.432765][ T3084] pvrusb2: Important functionality might not be entirely working. [ 68.448275][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 68.461232][ T3084] pvrusb2: ********** [ 68.461955][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 68.475979][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 68.486773][ T4041] pvrusb2: Device being rendered inoperable [ 68.493809][ T4041] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 68.500891][ T4041] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 68.510791][ T4041] pvrusb2: Attached sub-driver cx25840 [ 68.517013][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 68.523861][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 68.528965][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 68.534671][ T3084] pvrusb2: ********** [ 68.547974][ T4041] pvrusb2: Invalid write control endpoint [ 68.548517][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 68.579339][ T4041] pvrusb2: Invalid write control endpoint [ 68.579727][ T3084] pvrusb2: Important functionality might not be entirely working. [ 68.586082][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 68.594150][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 68.614705][ T3084] pvrusb2: ********** [ 68.619115][ T3084] usb 1-1: selecting invalid altsetting 0 [ 68.619378][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 68.628491][ T3084] usb 1-1: USB disconnect, device number 2 [ 68.653343][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 68.670646][ T4041] pvrusb2: Device being rendered inoperable [ 68.680353][ T4041] cx25840 2-0044: Unable to detect h/w, assuming cx23887 [ 68.689547][ T4041] cx25840 2-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_c) [ 68.697837][ T4041] pvrusb2: Attached sub-driver cx25840 [ 68.703462][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 68.713829][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 68.723059][ T4041] pvrusb2: Invalid write control endpoint [ 68.749028][ T4041] pvrusb2: Invalid write control endpoint [ 68.754984][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 68.766776][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 68.774625][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 68.785272][ T4041] pvrusb2: Device being rendered inoperable [ 68.791272][ T4041] cx25840 3-0044: Unable to detect h/w, assuming cx23887 [ 68.799003][ T4041] cx25840 3-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_d) [ 68.807984][ T4041] pvrusb2: Attached sub-driver cx25840 [ 68.813961][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 68.824662][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 69.201997][ T3084] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 69.582686][ T3084] usb 1-1: config 0 has an invalid interface number: 145 but max is 3 [ 69.590888][ T3084] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 69.600005][ T3084] usb 1-1: config 0 has an invalid interface number: 205 but max is 3 [ 69.608532][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 69.617785][ T3084] usb 1-1: config 0 has an invalid interface number: 76 but max is 3 [ 69.626463][ T3084] usb 1-1: config 0 has an invalid interface number: 206 but max is 3 [ 69.634883][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 69.643966][ T3084] usb 1-1: config 0 has no interface number 0 [ 69.650043][ T3084] usb 1-1: config 0 has no interface number 1 [ 69.656449][ T3084] usb 1-1: config 0 has no interface number 2 [ 69.662985][ T3084] usb 1-1: config 0 has no interface number 3 [ 69.669157][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0x4 has invalid maxpacket 8 [ 69.679897][ T3084] usb 1-1: config 0 interface 145 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 69.690960][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0xE has invalid maxpacket 8 [ 69.700890][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 69.711901][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xA, skipping [ 69.722673][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 69.733449][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 69.744228][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xF, skipping [ 69.755110][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 69.765777][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 69.776557][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 69.787312][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x4, skipping [ 69.798142][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 69.808903][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 69.819678][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x5, skipping [ 69.830438][ T3084] usb 1-1: config 0 interface 205 altsetting 6 endpoint 0x9 has an invalid bInterval 132, changing to 11 [ 69.841790][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has 10 endpoint descriptors, different from the interface descriptor's value: 13 [ 69.855119][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 69.865818][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0x5, skipping [ 69.876484][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 69.887198][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 69.898300][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has 4 endpoint descriptors, different from the interface descriptor's value: 3 [ 69.911344][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 69.922308][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xD, skipping [ 69.933357][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 69.944410][ T3084] usb 1-1: config 0 interface 206 altsetting 249 endpoint 0x3 has an invalid bInterval 34, changing to 9 [ 69.955677][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 69.966632][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x3, skipping [ 69.977577][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint with address 0x0, skipping [ 69.988453][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 69.999420][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 70.010417][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 70.021443][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint descriptor of length 2, skipping [ 70.033023][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 70.043964][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x7, skipping [ 70.054911][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has 14 endpoint descriptors, different from the interface descriptor's value: 13 [ 70.068353][ T3084] usb 1-1: config 0 interface 205 has no altsetting 0 [ 70.075260][ T3084] usb 1-1: config 0 interface 206 has no altsetting 0 [ 70.242059][ T3084] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=8f.d4 [ 70.251245][ T3084] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 70.260404][ T3084] usb 1-1: Product: syz [ 70.265294][ T3084] usb 1-1: Manufacturer: syz [ 70.269903][ T3084] usb 1-1: SerialNumber: syz [ 70.280569][ T3084] usb 1-1: config 0 descriptor?? [ 70.302127][ T8497] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 70.553728][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 70.560812][ T3084] pvrusb2: ********** [ 70.566879][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 70.577705][ T3084] pvrusb2: Important functionality might not be entirely working. [ 70.586428][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 70.598353][ T3084] pvrusb2: ********** [ 70.622567][ T4041] pvrusb2: Invalid write control endpoint [ 70.640554][ T4041] pvrusb2: Invalid write control endpoint [ 70.646898][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 70.657764][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 70.665810][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 70.673700][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 70.677433][ T4041] pvrusb2: Device being rendered inoperable [ 70.686780][ T3084] pvrusb2: ********** [ 70.693524][ T4041] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 70.701148][ T4041] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 70.701778][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 70.710466][ T4041] pvrusb2: Attached sub-driver cx25840 [ 70.725782][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 70.736537][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 70.737717][ T3084] pvrusb2: Important functionality might not be entirely working. [ 70.759625][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 70.771394][ T3084] pvrusb2: ********** [ 70.775908][ T3084] usb 1-1: selecting invalid altsetting 0 [ 70.784886][ T4041] pvrusb2: Invalid write control endpoint [ 70.803780][ T4041] pvrusb2: Invalid write control endpoint [ 70.809547][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 70.820605][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 70.831008][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 70.838506][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 70.850148][ T3084] pvrusb2: ********** [ 70.855388][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 70.866334][ T4041] pvrusb2: Device being rendered inoperable [ 70.873164][ T4041] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 70.880237][ T4041] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 70.889528][ T3084] pvrusb2: Important functionality might not be entirely working. [ 70.890383][ T4041] pvrusb2: Attached sub-driver cx25840 [ 70.899013][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 70.903573][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 70.915209][ T3084] pvrusb2: ********** [ 70.924996][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 70.941890][ T4041] pvrusb2: Invalid write control endpoint [ 70.963362][ T4041] pvrusb2: Invalid write control endpoint [ 70.969139][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 70.979600][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 70.987620][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 70.993663][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 70.998221][ T4041] pvrusb2: Device being rendered inoperable [ 71.014876][ T3084] pvrusb2: ********** [ 71.022709][ T4041] cx25840 2-0044: Unable to detect h/w, assuming cx23887 [ 71.023448][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 71.030029][ T4041] cx25840 2-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_c) [ 71.032433][ T4041] pvrusb2: Attached sub-driver cx25840 [ 71.052818][ T3084] pvrusb2: Important functionality might not be entirely working. [ 71.059271][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 71.062887][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 71.071775][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 71.083556][ T3084] pvrusb2: ********** [ 71.096859][ T3084] usb 1-1: selecting invalid altsetting 0 [ 71.105548][ T4041] pvrusb2: Invalid write control endpoint [ 71.106886][ T3084] usb 1-1: USB disconnect, device number 3 [ 71.129164][ T4041] pvrusb2: Invalid write control endpoint [ 71.154541][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 71.180258][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 71.192493][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 71.211011][ T4041] pvrusb2: Device being rendered inoperable [ 71.217976][ T4041] cx25840 3-0044: Unable to detect h/w, assuming cx23887 [ 71.226131][ T4041] cx25840 3-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_d) [ 71.234856][ T4041] pvrusb2: Attached sub-driver cx25840 [ 71.240346][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 71.251531][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 71.621692][ T3084] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 71.991811][ T3084] usb 1-1: config 0 has an invalid interface number: 145 but max is 3 [ 72.000432][ T3084] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 72.011294][ T3084] usb 1-1: config 0 has an invalid interface number: 205 but max is 3 [ 72.021124][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 72.032083][ T3084] usb 1-1: config 0 has an invalid interface number: 76 but max is 3 [ 72.040748][ T3084] usb 1-1: config 0 has an invalid interface number: 206 but max is 3 [ 72.051253][ T3084] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping [ 72.061802][ T3084] usb 1-1: config 0 has no interface number 0 [ 72.068278][ T3084] usb 1-1: config 0 has no interface number 1 [ 72.075793][ T3084] usb 1-1: config 0 has no interface number 2 [ 72.083355][ T3084] usb 1-1: config 0 has no interface number 3 [ 72.089485][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0x4 has invalid maxpacket 8 [ 72.101839][ T3084] usb 1-1: config 0 interface 145 altsetting 0 endpoint 0x8 has invalid maxpacket 1024, setting to 64 [ 72.113778][ T3084] usb 1-1: config 0 interface 145 altsetting 0 bulk endpoint 0xE has invalid maxpacket 8 [ 72.125626][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 72.138008][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xA, skipping [ 72.150424][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 72.162773][ T3084] usb 1-1: config 0 interface 145 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 72.174737][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xF, skipping [ 72.187181][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 72.199060][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 72.211113][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 72.223094][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x4, skipping [ 72.235114][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xC, skipping [ 72.247765][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0xA, skipping [ 72.260405][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has a duplicate endpoint with address 0x5, skipping [ 72.272733][ T3084] usb 1-1: config 0 interface 205 altsetting 6 endpoint 0x9 has an invalid bInterval 132, changing to 11 [ 72.285312][ T3084] usb 1-1: config 0 interface 205 altsetting 6 has 10 endpoint descriptors, different from the interface descriptor's value: 13 [ 72.299947][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 72.312031][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has a duplicate endpoint with address 0x5, skipping [ 72.325346][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 72.337893][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 72.351227][ T3084] usb 1-1: config 0 interface 76 altsetting 0 has 4 endpoint descriptors, different from the interface descriptor's value: 3 [ 72.366532][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 72.379252][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xD, skipping [ 72.391762][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 72.404204][ T3084] usb 1-1: config 0 interface 206 altsetting 249 endpoint 0x3 has an invalid bInterval 34, changing to 9 [ 72.417493][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 72.429690][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x3, skipping [ 72.442411][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint with address 0x0, skipping [ 72.454968][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x9, skipping [ 72.468176][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0xA, skipping [ 72.481877][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 72.495294][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has an invalid endpoint descriptor of length 2, skipping [ 72.508742][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x2, skipping [ 72.521442][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has a duplicate endpoint with address 0x7, skipping [ 72.533857][ T3084] usb 1-1: config 0 interface 206 altsetting 249 has 14 endpoint descriptors, different from the interface descriptor's value: 13 [ 72.549219][ T3084] usb 1-1: config 0 interface 205 has no altsetting 0 [ 72.557089][ T3084] usb 1-1: config 0 interface 206 has no altsetting 0 [ 72.731784][ T3084] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=8f.d4 [ 72.741601][ T3084] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 72.749986][ T3084] usb 1-1: Product: syz [ 72.755458][ T3084] usb 1-1: Manufacturer: syz [ 72.760208][ T3084] usb 1-1: SerialNumber: syz [ 72.767552][ T3084] usb 1-1: config 0 descriptor?? [ 72.791888][ T8573] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 73.063701][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 73.071352][ T3084] pvrusb2: ********** [ 73.076465][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 73.086881][ T3084] pvrusb2: Important functionality might not be entirely working. [ 73.095598][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 73.107475][ T3084] pvrusb2: ********** [ 73.131774][ T4041] pvrusb2: Invalid write control endpoint [ 73.149392][ T4041] pvrusb2: Invalid write control endpoint [ 73.156371][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 73.167219][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 73.175948][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 73.183375][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 73.188347][ T4041] pvrusb2: Device being rendered inoperable [ 73.205496][ T3084] pvrusb2: ********** [ 73.212165][ T4041] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 73.216404][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 73.219251][ T4041] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 73.230919][ T3084] pvrusb2: Important functionality might not be entirely working. [ 73.244688][ T4041] pvrusb2: Attached sub-driver cx25840 [ 73.251148][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 73.256603][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 73.264413][ T3084] pvrusb2: ********** [ 73.276215][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 73.279313][ T3084] usb 1-1: selecting invalid altsetting 0 [ 73.295283][ T4041] pvrusb2: Invalid write control endpoint [ 73.317219][ T4041] pvrusb2: Invalid write control endpoint [ 73.331567][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 73.333373][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 73.348149][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 73.353244][ T3084] pvrusb2: ********** [ 73.358458][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 73.364482][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 73.384801][ T4041] pvrusb2: Device being rendered inoperable [ 73.397634][ T3084] pvrusb2: Important functionality might not be entirely working. [ 73.406215][ T4041] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 73.413750][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 73.422279][ T4041] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_b) [ 73.431366][ T3084] pvrusb2: ********** [ 73.440279][ T4041] pvrusb2: Attached sub-driver cx25840 [ 73.448569][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 73.459548][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 73.472164][ T4041] pvrusb2: Invalid write control endpoint [ 73.497703][ T4041] pvrusb2: Invalid write control endpoint [ 73.505012][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 73.517333][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 73.523236][ T3084] pvrusb2: Hardware description: Terratec Grabster AV400 [ 73.528300][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 73.551547][ T3084] pvrusb2: ********** [ 73.556324][ T3084] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 73.559584][ T4041] pvrusb2: Device being rendered inoperable [ 73.574541][ T3084] pvrusb2: Important functionality might not be entirely working. [ 73.580601][ T4041] cx25840 2-0044: Unable to detect h/w, assuming cx23887 [ 73.588552][ T3084] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 73.596127][ T4041] cx25840 2-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_c) [ 73.604378][ T3084] pvrusb2: ********** [ 73.612880][ T4041] pvrusb2: Attached sub-driver cx25840 [ 73.618010][ T3084] usb 1-1: selecting invalid altsetting 0 [ 73.621881][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 73.633271][ T3084] usb 1-1: USB disconnect, device number 4 [ 73.647350][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 73.662137][ T4041] pvrusb2: Invalid write control endpoint [ 73.697115][ T4041] pvrusb2: Invalid write control endpoint [ 73.704844][ T4041] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 73.715716][ T4041] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 73.725387][ T4041] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 73.741534][ T4041] pvrusb2: Device being rendered inoperable [ 73.748435][ T4041] cx25840 3-0044: Unable to detect h/w, assuming cx23887 [ 73.757899][ T4041] cx25840 3-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_d) [ 73.767493][ T4041] pvrusb2: Attached sub-driver cx25840 [ 73.774276][ T4041] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 73.787430][ T4041] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 73.805103][ T4041] ------------[ cut here ]------------ [ 73.811190][ T4041] sysfs group 'power' not found for kobject 'i2c-1' [ 73.827605][ T4041] WARNING: CPU: 1 PID: 4041 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 [ 73.838447][ T4041] Modules linked in: [ 73.843414][ T4041] CPU: 1 PID: 4041 Comm: pvrusb2-context Not tainted 5.10.0-rc2-syzkaller #0 [ 73.854251][ T4041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.866173][ T4041] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 73.873360][ T4041] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 60 72 5b 89 e8 81 52 c4 06 <0f> 0b eb 98 e8 11 7e ca ff e9 01 ff ff ff 48 89 df e8 04 7e ca ff [ 73.895870][ T4041] RSP: 0018:ffffc9000367fa38 EFLAGS: 00010286 [ 73.903986][ T4041] RAX: 0000000000000000 RBX: ffffffff89b53740 RCX: 0000000000000000 [ 73.913444][ T4041] RDX: ffff88801d0d8000 RSI: ffffffff8158d055 RDI: fffff520006cff39 [ 73.925351][ T4041] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880b9f309e7 [ 73.935430][ T4041] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888143e19018 [ 73.944257][ T4041] R13: ffffffff89b53ce0 R14: ffff888143e1e000 R15: ffffffff8c2c7d20 [ 73.955905][ T4041] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 73.966646][ T4041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.974462][ T4041] CR2: 00007fc516e9a020 CR3: 0000000020556000 CR4: 00000000001506e0 [ 73.984506][ T4041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.994520][ T4041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.005557][ T4041] Call Trace: [ 74.010976][ T4041] dpm_sysfs_remove+0x97/0xb0 [ 74.020569][ T4041] device_del+0x20c/0xec0 [ 74.027132][ T4041] ? device_link_add_missing_supplier_links+0x370/0x370 [ 74.035687][ T4041] ? do_raw_spin_lock+0x120/0x2b0 [ 74.041003][ T4041] ? rwlock_bug.part.0+0x90/0x90 [ 74.047157][ T4041] cdev_device_del+0x19/0x100 [ 74.052750][ T4041] put_i2c_dev+0x160/0x1b0 [ 74.057210][ T4041] i2cdev_detach_adapter.part.0+0x10f/0x1a0 [ 74.064559][ T4041] i2cdev_notifier_call+0xad/0xc0 [ 74.070826][ T4041] notifier_call_chain+0xb5/0x200 [ 74.077116][ T4041] blocking_notifier_call_chain+0x67/0x90 [ 74.083781][ T4041] device_del+0x1ff/0xec0 [ 74.088530][ T4041] ? lock_downgrade+0x6d0/0x6d0 [ 74.094891][ T4041] ? device_link_add_missing_supplier_links+0x370/0x370 [ 74.104826][ T4041] ? lockdep_init_map_waits+0x26a/0x720 [ 74.111220][ T4041] ? lockdep_init_map_waits+0x26a/0x720 [ 74.118575][ T4041] device_unregister+0x22/0xc0 [ 74.130806][ T4041] i2c_del_adapter+0x4d6/0x680 [ 74.140458][ T4041] ? del_timer_sync+0x12e/0x160 [ 74.148251][ T4041] pvr2_i2c_core_done+0x69/0xc0 [ 74.157145][ T4041] pvr2_hdw_destroy+0x179/0x3b0 [ 74.161590][ T3084] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 74.165877][ T4041] pvr2_context_destroy+0x84/0x230 [ 74.181615][ T4041] pvr2_context_thread_func+0x641/0x850 [ 74.192415][ T4041] ? pvr2_context_destroy+0x230/0x230 [ 74.198617][ T4041] ? add_wait_queue_exclusive+0x180/0x180 [ 74.205172][ T4041] ? lockdep_hardirqs_on+0x79/0x100 [ 74.210832][ T4041] ? __kthread_parkme+0x13f/0x1e0 [ 74.216311][ T4041] ? pvr2_context_destroy+0x230/0x230 [ 74.222247][ T4041] kthread+0x3af/0x4a0 [ 74.226941][ T4041] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.233104][ T4041] ret_from_fork+0x1f/0x30 [ 74.237710][ T4041] Kernel panic - not syncing: panic_on_warn set ... [ 74.245181][ T4041] CPU: 1 PID: 4041 Comm: pvrusb2-context Not tainted 5.10.0-rc2-syzkaller #0 [ 74.254979][ T4041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.266129][ T4041] Call Trace: [ 74.269759][ T4041] dump_stack+0x107/0x163 [ 74.274613][ T4041] panic+0x306/0x73d [ 74.279212][ T4041] ? __warn_printk+0xf3/0xf3 [ 74.284321][ T4041] ? __warn.cold+0x1d/0xbb [ 74.289771][ T4041] ? __warn.cold+0x14/0xbb [ 74.295679][ T4041] ? sysfs_remove_group+0x126/0x170 [ 74.302868][ T4041] __warn.cold+0x38/0xbb [ 74.309231][ T4041] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.317642][ T4041] ? sysfs_remove_group+0x126/0x170 [ 74.334106][ T4041] report_bug+0x1bd/0x210 [ 74.343455][ T4041] handle_bug+0x3c/0x60 [ 74.350252][ T4041] exc_invalid_op+0x14/0x40 [ 74.355452][ T4041] asm_exc_invalid_op+0x12/0x20 [ 74.363494][ T4041] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 74.372316][ T4041] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 60 72 5b 89 e8 81 52 c4 06 <0f> 0b eb 98 e8 11 7e ca ff e9 01 ff ff ff 48 89 df e8 04 7e ca ff [ 74.398638][ T4041] RSP: 0018:ffffc9000367fa38 EFLAGS: 00010286 [ 74.408910][ T4041] RAX: 0000000000000000 RBX: ffffffff89b53740 RCX: 0000000000000000 [ 74.419953][ T4041] RDX: ffff88801d0d8000 RSI: ffffffff8158d055 RDI: fffff520006cff39 [ 74.428892][ T4041] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880b9f309e7 [ 74.437709][ T4041] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888143e19018 [ 74.446231][ T4041] R13: ffffffff89b53ce0 R14: ffff888143e1e000 R15: ffffffff8c2c7d20 [ 74.456330][ T4041] ? vprintk_func+0x95/0x1e0 [ 74.461964][ T4041] ? sysfs_remove_group+0x126/0x170 [ 74.471502][ T4041] dpm_sysfs_remove+0x97/0xb0 [ 74.477713][ T4041] device_del+0x20c/0xec0 [ 74.483507][ T4041] ? device_link_add_missing_supplier_links+0x370/0x370 [ 74.499716][ T4041] ? do_raw_spin_lock+0x120/0x2b0 [ 74.507222][ T4041] ? rwlock_bug.part.0+0x90/0x90 [ 74.518078][ T4041] cdev_device_del+0x19/0x100 [ 74.523932][ T4041] put_i2c_dev+0x160/0x1b0 [ 74.530167][ T4041] i2cdev_detach_adapter.part.0+0x10f/0x1a0 [ 74.541883][ T4041] i2cdev_notifier_call+0xad/0xc0 [ 74.559237][ T4041] notifier_call_chain+0xb5/0x200 [ 74.569054][ T4041] blocking_notifier_call_chain+0x67/0x90 [ 74.577278][ T4041] device_del+0x1ff/0xec0 [ 74.581825][ T4041] ? lock_downgrade+0x6d0/0x6d0 [ 74.586904][ T4041] ? device_link_add_missing_supplier_links+0x370/0x370 [ 74.594643][ T4041] ? lockdep_init_map_waits+0x26a/0x720 [ 74.600895][ T4041] ? lockdep_init_map_waits+0x26a/0x720 [ 74.606867][ T4041] device_unregister+0x22/0xc0 [ 74.611907][ T4041] i2c_del_adapter+0x4d6/0x680 [ 74.616888][ T4041] ? del_timer_sync+0x12e/0x160 [ 74.622206][ T4041] pvr2_i2c_core_done+0x69/0xc0 [ 74.627191][ T4041] pvr2_hdw_destroy+0x179/0x3b0 [ 74.632499][ T4041] pvr2_context_destroy+0x84/0x230 [ 74.637928][ T4041] pvr2_context_thread_func+0x641/0x850 [ 74.643801][ T4041] ? pvr2_context_destroy+0x230/0x230 [ 74.649212][ T4041] ? add_wait_queue_exclusive+0x180/0x180 [ 74.655495][ T4041] ? lockdep_hardirqs_on+0x79/0x100 [ 74.660898][ T4041] ? __kthread_parkme+0x13f/0x1e0 [ 74.666614][ T4041] ? pvr2_context_destroy+0x230/0x230 [ 74.673170][ T4041] kthread+0x3af/0x4a0 [ 74.678459][ T4041] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.685750][ T4041] ret_from_fork+0x1f/0x30 [ 74.692370][ T4041] Kernel Offset: disabled [ 74.697369][ T4041] Rebooting in 86400 seconds..