Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. 2020/10/11 20:05:48 parsed 1 programs 2020/10/11 20:05:48 executed programs: 0 [ 28.156837][ T488] cgroup: Unknown subsys name 'perf_event' [ 28.173631][ T488] cgroup: Unknown subsys name 'net_cls' [ 28.189864][ T492] cgroup: Unknown subsys name 'perf_event' [ 28.192711][ T491] cgroup: Unknown subsys name 'perf_event' [ 28.208800][ T492] cgroup: Unknown subsys name 'net_cls' [ 28.224312][ T495] cgroup: Unknown subsys name 'perf_event' [ 28.227458][ T497] cgroup: Unknown subsys name 'perf_event' [ 28.230504][ T491] cgroup: Unknown subsys name 'net_cls' [ 28.246235][ T497] cgroup: Unknown subsys name 'net_cls' [ 28.249510][ T495] cgroup: Unknown subsys name 'net_cls' [ 28.253920][ T500] cgroup: Unknown subsys name 'perf_event' [ 28.283388][ T500] cgroup: Unknown subsys name 'net_cls' [ 35.703254][ T506] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.711352][ T506] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.745760][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.766012][ T506] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.774058][ T506] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.814212][ T72] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.857772][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.865828][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.901825][ T506] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.909702][ T506] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.917372][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.948971][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.987976][ T61] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.996106][ T61] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.014084][ T502] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.022102][ T502] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.023621][ T2041] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.037327][ T2041] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.041004][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.072887][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.080526][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.138480][ T131] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.146631][ T131] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.162589][ T502] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.170524][ T502] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.183176][ T61] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.191204][ T61] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.198673][ T7] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.206591][ T7] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.213803][ T508] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.221808][ T508] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.221823][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.245174][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.254364][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.262394][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.269815][ T113] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.270740][ T12] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 36.390702][ T3160] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 36.570555][ T12] usb 2-1: Using ep0 maxpacket: 8 [ 36.620623][ T113] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 36.628171][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 36.640582][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.660604][ T3160] usb 5-1: Using ep0 maxpacket: 8 [ 36.690655][ T72] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 36.721054][ T12] usb 2-1: config 0 has an invalid interface number: 86 but max is 0 [ 36.729277][ T12] usb 2-1: config 0 has no interface number 0 [ 36.736667][ T12] usb 2-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 36.746558][ T12] usb 2-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 36.756570][ T12] usb 2-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 36.766853][ T12] usb 2-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 36.776063][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.786929][ T12] usb 2-1: config 0 descriptor?? [ 36.840665][ T3160] usb 5-1: config 0 has an invalid interface number: 86 but max is 0 [ 36.848819][ T3160] usb 5-1: config 0 has no interface number 0 [ 36.858373][ T12] em28xx 2-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 36.867830][ T12] em28xx 2-1:0.86: Video interface 86 found: [ 36.872610][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 36.874982][ T3160] usb 5-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 36.878890][ T113] usb 6-1: Using ep0 maxpacket: 8 [ 36.888575][ T3160] usb 5-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 36.888593][ T3160] usb 5-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 36.894294][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 36.903347][ T3160] usb 5-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 36.927291][ T3160] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.937205][ T3160] usb 5-1: config 0 descriptor?? [ 36.984529][ T3160] em28xx 5-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 36.993531][ T3160] em28xx 5-1:0.86: Video interface 86 found: [ 36.999507][ T72] usb 3-1: Using ep0 maxpacket: 8 [ 37.010810][ T17] usb 4-1: config 0 has an invalid interface number: 86 but max is 0 [ 37.018885][ T17] usb 4-1: config 0 has no interface number 0 [ 37.025366][ T17] usb 4-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.035236][ T17] usb 4-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 37.045004][ T17] usb 4-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 37.054908][ T17] usb 4-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 37.063973][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.072519][ T113] usb 6-1: config 0 has an invalid interface number: 86 but max is 0 [ 37.080993][ T113] usb 6-1: config 0 has no interface number 0 [ 37.087085][ T22] usb 1-1: config 0 has an invalid interface number: 86 but max is 0 [ 37.095185][ T22] usb 1-1: config 0 has no interface number 0 [ 37.101330][ T22] usb 1-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.111218][ T22] usb 1-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 37.121152][ T22] usb 1-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 37.130685][ T72] usb 3-1: config 0 has an invalid interface number: 86 but max is 0 [ 37.130995][ T22] usb 1-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 37.139042][ T72] usb 3-1: config 0 has no interface number 0 [ 37.147998][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.148043][ T113] usb 6-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.154407][ T72] usb 3-1: config 0 interface 86 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.162138][ T113] usb 6-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 37.162156][ T113] usb 6-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 37.162184][ T113] usb 6-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 37.162200][ T113] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.170339][ T113] usb 6-1: config 0 descriptor?? [ 37.171986][ T72] usb 3-1: config 0 interface 86 altsetting 0 bulk endpoint 0xE has invalid maxpacket 0 [ 37.172006][ T72] usb 3-1: config 0 interface 86 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 37.172034][ T72] usb 3-1: New USB device found, idVendor=0ccd, idProduct=10af, bcdDevice=77.fc [ 37.172050][ T72] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.176222][ T12] em28xx 2-1:0.86: unknown em28xx chip ID (0) [ 37.188039][ T17] usb 4-1: config 0 descriptor?? [ 37.225642][ T72] usb 3-1: config 0 descriptor?? [ 37.239042][ T113] em28xx 6-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 37.285426][ T113] em28xx 6-1:0.86: Video interface 86 found: [ 37.290533][ T3160] em28xx 5-1:0.86: unknown em28xx chip ID (0) [ 37.294188][ T22] usb 1-1: config 0 descriptor?? [ 37.314149][ T72] em28xx 3-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 37.323273][ T72] em28xx 3-1:0.86: Video interface 86 found: [ 37.342649][ T22] em28xx 1-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 37.351635][ T22] em28xx 1-1:0.86: Video interface 86 found: [ 37.359522][ T17] em28xx 4-1:0.86: New device @ 480 Mbps (0ccd:10af, interface 86, class 86) [ 37.368528][ T17] em28xx 4-1:0.86: Video interface 86 found: [ 37.380540][ T12] em28xx 2-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.388862][ T12] em28xx 2-1:0.86: board has no eeprom [ 37.450510][ T3160] em28xx 5-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.458737][ T3160] em28xx 5-1:0.86: board has no eeprom [ 37.500477][ T12] em28xx 2-1:0.86: Identified as Terratec Grabby (card=67) [ 37.507740][ T12] em28xx 2-1:0.86: analog set to bulk mode. [ 37.515031][ T3180] em28xx 2-1:0.86: Registering V4L2 extension [ 37.524860][ T12] usb 2-1: USB disconnect, device number 2 [ 37.537073][ T3180] em28xx 2-1:0.86: reading from i2c device at 0x4a failed (error=-19) [ 37.540551][ T113] em28xx 6-1:0.86: unknown em28xx chip ID (0) [ 37.547672][ T12] em28xx 2-1:0.86: Disconnecting em28xx [ 37.557392][ T3180] em28xx 2-1:0.86: Config register raw data: 0xffffffed [ 37.564636][ T3180] em28xx 2-1:0.86: AC97 chip type couldn't be determined [ 37.571714][ T3180] em28xx 2-1:0.86: No AC97 audio processor [ 37.579232][ T72] em28xx 3-1:0.86: unknown em28xx chip ID (0) [ 37.585539][ T3160] em28xx 5-1:0.86: Identified as Terratec Grabby (card=67) [ 37.592816][ T3160] em28xx 5-1:0.86: analog set to bulk mode. [ 37.601233][ T3160] usb 5-1: USB disconnect, device number 2 [ 37.602190][ T17] em28xx 4-1:0.86: unknown em28xx chip ID (0) [ 37.608944][ T3180] usb 2-1: Decoder not found [ 37.613302][ T22] em28xx 1-1:0.86: unknown em28xx chip ID (0) [ 37.617773][ T3180] em28xx 2-1:0.86: failed to create media graph [ 37.631592][ T3160] em28xx 5-1:0.86: Disconnecting em28xx [ 37.644752][ T3180] em28xx 2-1:0.86: V4L2 device video0 deregistered [ 37.652546][ T3180] em28xx 2-1:0.86: Registering snapshot button... [ 37.659909][ T3180] input: em28xx snapshot button as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.86/input/input5 [ 37.671967][ T3180] em28xx 2-1:0.86: Remote control support is not available for this card. [ 37.682648][ T12] em28xx 2-1:0.86: Closing input extension [ 37.688625][ T12] em28xx 2-1:0.86: Deregistering snapshot button [ 37.714544][ T3180] em28xx 5-1:0.86: Registering V4L2 extension [ 37.720511][ T113] em28xx 6-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.724838][ T12] em28xx 2-1:0.86: Freeing device [ 37.728752][ T113] em28xx 6-1:0.86: board has no eeprom [ 37.753927][ T3180] em28xx 5-1:0.86: Config register raw data: 0xffffffed [ 37.761008][ T3180] em28xx 5-1:0.86: AC97 chip type couldn't be determined [ 37.768071][ T3180] em28xx 5-1:0.86: No AC97 audio processor [ 37.774152][ T72] em28xx 3-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.780420][ T22] em28xx 1-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.782719][ T72] em28xx 3-1:0.86: board has no eeprom [ 37.784452][ T3180] usb 5-1: Decoder not found [ 37.791347][ T22] em28xx 1-1:0.86: board has no eeprom [ 37.796543][ T3180] em28xx 5-1:0.86: failed to create media graph [ 37.808942][ T17] em28xx 4-1:0.86: reading from i2c device at 0xa0 failed (error=-5) [ 37.813822][ T3180] em28xx 5-1:0.86: V4L2 device video0 deregistered [ 37.821230][ T17] em28xx 4-1:0.86: board has no eeprom [ 37.834865][ T3180] em28xx 5-1:0.86: Registering snapshot button... [ 37.842786][ T3180] input: em28xx snapshot button as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.86/input/input6 [ 37.854419][ T3180] em28xx 5-1:0.86: Remote control support is not available for this card. [ 37.870402][ T3160] em28xx 5-1:0.86: Closing input extension [ 37.870506][ T113] em28xx 6-1:0.86: Identified as Terratec Grabby (card=67) [ 37.876221][ T3160] em28xx 5-1:0.86: Deregistering snapshot button [ 37.889818][ T113] em28xx 6-1:0.86: analog set to bulk mode. [ 37.900018][ T3210] em28xx 6-1:0.86: Registering V4L2 extension [ 37.907173][ T113] usb 6-1: USB disconnect, device number 2 [ 37.908363][ T3160] em28xx 5-1:0.86: Freeing device [ 37.918224][ T72] em28xx 3-1:0.86: Identified as Terratec Grabby (card=67) [ 37.925355][ T3210] em28xx 6-1:0.86: reading from i2c device at 0x4a failed (error=-19) [ 37.925452][ T72] em28xx 3-1:0.86: analog set to bulk mode. [ 37.934286][ T3210] em28xx 6-1:0.86: reading from i2c device at 0x48 failed (error=-19) [ 37.947850][ T113] em28xx 6-1:0.86: Disconnecting em28xx [ 37.959945][ T72] usb 3-1: USB disconnect, device number 2 [ 37.960375][ T17] em28xx 4-1:0.86: Identified as Terratec Grabby (card=67) [ 37.969617][ T72] em28xx 3-1:0.86: Disconnecting em28xx [ 37.972982][ T17] em28xx 4-1:0.86: analog set to bulk mode. [ 37.980303][ T22] em28xx 1-1:0.86: Identified as Terratec Grabby (card=67) [ 37.992368][ T22] em28xx 1-1:0.86: analog set to bulk mode. [ 37.999355][ T3210] em28xx 6-1:0.86: Config register raw data: 0xffffffed [ 38.006522][ T3210] em28xx 6-1:0.86: AC97 chip type couldn't be determined [ 38.013598][ T3210] em28xx 6-1:0.86: No AC97 audio processor [ 38.022317][ T17] usb 4-1: USB disconnect, device number 2 [ 38.029020][ T17] em28xx 4-1:0.86: Disconnecting em28xx [ 38.037961][ T22] usb 1-1: USB disconnect, device number 2 [ 38.044250][ T3210] usb 6-1: Decoder not found [ 38.048849][ T3210] em28xx 6-1:0.86: failed to create media graph [ 38.056531][ T22] em28xx 1-1:0.86: Disconnecting em28xx [ 38.063100][ T3210] em28xx 6-1:0.86: V4L2 device video0 deregistered [ 38.071683][ T3210] em28xx 6-1:0.86: Registering snapshot button... [ 38.078861][ T3210] input: em28xx snapshot button as /devices/platform/dummy_hcd.5/usb6/6-1/6-1:0.86/input/input7 [ 38.092596][ T3210] em28xx 6-1:0.86: Remote control support is not available for this card. [ 38.101350][ T3180] em28xx 3-1:0.86: Registering V4L2 extension [ 38.114678][ T3180] em28xx 3-1:0.86: Config register raw data: 0xffffffed [ 38.121850][ T3180] em28xx 3-1:0.86: AC97 chip type couldn't be determined [ 38.128872][ T3180] em28xx 3-1:0.86: No AC97 audio processor [ 38.137194][ T3180] usb 3-1: Decoder not found [ 38.142043][ T3180] em28xx 3-1:0.86: failed to create media graph [ 38.150292][ T12] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 38.158121][ T3180] em28xx 3-1:0.86: V4L2 device video0 deregistered [ 38.167238][ T3180] em28xx 3-1:0.86: Registering snapshot button... [ 38.177705][ T3180] input: em28xx snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.86/input/input8 [ 38.189336][ T3180] em28xx 3-1:0.86: Remote control support is not available for this card. [ 38.198317][ T3254] em28xx 4-1:0.86: Registering V4L2 extension [ 38.214275][ T3254] em28xx 4-1:0.86: Config register raw data: 0xffffffed [ 38.221458][ T3254] em28xx 4-1:0.86: AC97 chip type couldn't be determined [ 38.228502][ T3254] em28xx 4-1:0.86: No AC97 audio processor [ 38.236211][ T3254] usb 4-1: Decoder not found [ 38.241108][ T3254] em28xx 4-1:0.86: failed to create media graph [ 38.247864][ T3254] em28xx 4-1:0.86: V4L2 device video0 deregistered [ 38.255522][ T3254] em28xx 4-1:0.86: Registering snapshot button... [ 38.256493][ T3272] ================================================================== [ 38.263000][ T3254] input: em28xx snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.86/input/input9 [ 38.270080][ T3272] BUG: KASAN: use-after-free in v4l2_open+0x33f/0x3d0 [ 38.270092][ T3272] Read of size 4 at addr ffff8881cb430968 by task v4l_id/3272 [ 38.270096][ T3272] [ 38.270110][ T3272] CPU: 0 PID: 3272 Comm: v4l_id Not tainted 5.9.0-rc8-syzkaller #0 [ 38.270119][ T3272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.270124][ T3272] Call Trace: [ 38.270138][ T3272] dump_stack+0x107/0x16e [ 38.270155][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.281515][ T3254] em28xx 4-1:0.86: Remote control support is not available for this card. [ 38.287269][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.287289][ T3272] print_address_description.constprop.0+0x1c/0x210 [ 38.287303][ T3272] ? vprintk_func+0x93/0x133 [ 38.287316][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.287327][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.287345][ T3272] kasan_report.cold+0x37/0x7c [ 38.295582][ T3261] em28xx 1-1:0.86: Registering V4L2 extension [ 38.297078][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.297092][ T3272] v4l2_open+0x33f/0x3d0 [ 38.297106][ T3272] ? v4l2_release+0x390/0x390 [ 38.297119][ T3272] chrdev_open+0x266/0x770 [ 38.297131][ T3272] ? cdev_device_add+0x210/0x210 [ 38.297152][ T3272] ? security_file_open+0x205/0x4f0 [ 38.312200][ T3261] em28xx 1-1:0.86: Config register raw data: 0xffffffed [ 38.315041][ T3272] do_dentry_open+0x4b4/0x1090 [ 38.315055][ T3272] ? cdev_device_add+0x210/0x210 [ 38.315069][ T3272] ? may_open+0x1e4/0x400 [ 38.315084][ T3272] path_openat+0x190d/0x2690 [ 38.315098][ T3272] ? path_lookupat+0x830/0x830 [ 38.315119][ T3272] ? lockdep_hardirqs_on_prepare+0x4f0/0x4f0 [ 38.318376][ T3261] em28xx 1-1:0.86: AC97 chip type couldn't be determined [ 38.322680][ T3272] do_filp_open+0x17e/0x3c0 [ 38.322692][ T3272] ? may_open_dev+0xf0/0xf0 [ 38.322705][ T3272] ? do_raw_spin_lock+0x120/0x260 [ 38.322716][ T3272] ? rwlock_bug.part.0+0x90/0x90 [ 38.322735][ T3272] ? _raw_spin_unlock+0x1a/0x30 [ 38.327141][ T3261] em28xx 1-1:0.86: No AC97 audio processor [ 38.335625][ T3272] ? __alloc_fd+0x28d/0x600 [ 38.335638][ T3272] do_sys_openat2+0x16d/0x420 [ 38.335650][ T3272] ? build_open_flags+0x650/0x650 [ 38.335663][ T3272] __x64_sys_open+0x119/0x1c0 [ 38.335675][ T3272] ? do_sys_open+0x140/0x140 [ 38.335687][ T3272] ? __secure_computing+0xb4/0x290 [ 38.335706][ T3272] do_syscall_64+0x2d/0x40 [ 38.341726][ T3261] usb 1-1: Decoder not found [ 38.346655][ T3272] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.346666][ T3272] RIP: 0033:0x7f68b08c5840 [ 38.346682][ T3272] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 38.346690][ T3272] RSP: 002b:00007ffcced558d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 38.346705][ T3272] RAX: ffffffffffffffda RBX: 00007ffcced55a48 RCX: 00007f68b08c5840 [ 38.346721][ T3272] RDX: 00007f68b08b1ea0 RSI: 0000000000000000 RDI: 00007ffcced55f24 [ 38.351562][ T3261] em28xx 1-1:0.86: failed to create media graph [ 38.355668][ T3272] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 38.355682][ T3272] R10: 0000000000000002 R11: 0000000000000246 R12: 000055689a11a8d0 [ 38.360655][ T3261] em28xx 1-1:0.86: V4L2 device video1 deregistered [ 38.364825][ T3272] R13: 00007ffcced55a40 R14: 0000000000000000 R15: 0000000000000000 [ 38.364831][ T3272] [ 38.364836][ T3272] The buggy address belongs to the page: [ 38.364852][ T3272] page:00000000f480a622 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1cb430 [ 38.364862][ T3272] head:00000000f480a622 order:2 compound_mapcount:0 compound_pincount:0 [ 38.364873][ T3272] flags: 0x200000000010000(head) [ 38.364891][ T3272] raw: 0200000000010000 dead000000000100 dead000000000122 0000000000000000 [ 38.364908][ T3272] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 38.371927][ T3261] em28xx 1-1:0.86: Registering snapshot button... [ 38.375327][ T3272] page dumped because: kasan: bad access detected [ 38.375332][ T3272] [ 38.375336][ T3272] Memory state around the buggy address: [ 38.375348][ T3272] ffff8881cb430800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 38.375359][ T3272] ffff8881cb430880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 38.375375][ T3272] >ffff8881cb430900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 38.375381][ T3272] ^ [ 38.375392][ T3272] ffff8881cb430980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 38.375406][ T3272] ffff8881cb430a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 38.381032][ T3261] input: em28xx snapshot button as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.86/input/input10 [ 38.384273][ T3272] ================================================================== [ 38.384278][ T3272] Disabling lock debugging due to kernel taint [ 38.384621][ T3272] Kernel panic - not syncing: panic_on_warn set ... [ 38.390001][ T3261] em28xx 1-1:0.86: Remote control support is not available for this card. [ 38.393618][ T3272] CPU: 0 PID: 3272 Comm: v4l_id Tainted: G B 5.9.0-rc8-syzkaller #0 [ 38.393624][ T3272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.393628][ T3272] Call Trace: [ 38.393644][ T3272] dump_stack+0x107/0x16e [ 38.393661][ T3272] ? v4l2_open+0x240/0x3d0 [ 38.399337][ T113] em28xx 6-1:0.86: Closing input extension [ 38.405727][ T3272] panic+0x2cb/0x702 [ 38.405739][ T3272] ? __warn_printk+0xf3/0xf3 [ 38.405751][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.405767][ T3272] ? trace_hardirqs_on+0x55/0x200 [ 38.411160][ T113] em28xx 6-1:0.86: Deregistering snapshot button [ 38.415404][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.415415][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.415434][ T3272] end_report+0x4d/0x53 [ 38.829847][ T3272] kasan_report.cold+0x72/0x7c [ 38.834586][ T3272] ? v4l2_open+0x33f/0x3d0 [ 38.839010][ T3272] v4l2_open+0x33f/0x3d0 [ 38.843223][ T3272] ? v4l2_release+0x390/0x390 [ 38.847869][ T3272] chrdev_open+0x266/0x770 [ 38.852258][ T3272] ? cdev_device_add+0x210/0x210 [ 38.857169][ T3272] ? security_file_open+0x205/0x4f0 [ 38.862339][ T3272] do_dentry_open+0x4b4/0x1090 [ 38.867072][ T3272] ? cdev_device_add+0x210/0x210 [ 38.871988][ T3272] ? may_open+0x1e4/0x400 [ 38.876298][ T3272] path_openat+0x190d/0x2690 [ 38.880876][ T3272] ? path_lookupat+0x830/0x830 [ 38.885666][ T3272] ? lockdep_hardirqs_on_prepare+0x4f0/0x4f0 [ 38.891629][ T3272] do_filp_open+0x17e/0x3c0 [ 38.896110][ T3272] ? may_open_dev+0xf0/0xf0 [ 38.900583][ T3272] ? do_raw_spin_lock+0x120/0x260 [ 38.905578][ T3272] ? rwlock_bug.part.0+0x90/0x90 [ 38.910489][ T3272] ? _raw_spin_unlock+0x1a/0x30 [ 38.915308][ T3272] ? __alloc_fd+0x28d/0x600 [ 38.919787][ T3272] do_sys_openat2+0x16d/0x420 2020/10/11 20:05:59 executed programs: 6 [ 38.924441][ T3272] ? build_open_flags+0x650/0x650 [ 38.929434][ T3272] __x64_sys_open+0x119/0x1c0 [ 38.934089][ T3272] ? do_sys_open+0x140/0x140 [ 38.938684][ T3272] ? __secure_computing+0xb4/0x290 [ 38.943795][ T3272] do_syscall_64+0x2d/0x40 [ 38.948196][ T3272] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.954092][ T3272] RIP: 0033:0x7f68b08c5840 [ 38.958477][ T3272] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 38.978068][ T3272] RSP: 002b:00007ffcced558d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 38.986472][ T3272] RAX: ffffffffffffffda RBX: 00007ffcced55a48 RCX: 00007f68b08c5840 [ 38.994426][ T3272] RDX: 00007f68b08b1ea0 RSI: 0000000000000000 RDI: 00007ffcced55f24 [ 39.002370][ T3272] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 39.010317][ T3272] R10: 0000000000000002 R11: 0000000000000246 R12: 000055689a11a8d0 [ 39.018286][ T3272] R13: 00007ffcced55a40 R14: 0000000000000000 R15: 0000000000000000 [ 39.026887][ T3272] Kernel Offset: disabled [ 39.031192][ T3272] Rebooting in 86400 seconds..