dhcpcd-9.4.0 starting dev: loaded udev DUID 00:04:ad:e7:79:3b:b7:f5:62:73:6c:f2:e2:29:12:8f:ec:36 forked to background, child pid 1203 Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.143' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.230105][ T22] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 35.240120][ T17] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 35.247850][ T728] usb 6-1: new full-speed USB device number 2 using dummy_hcd [ 35.256026][ T1287] usb 5-1: new full-speed USB device number 2 using dummy_hcd [ 35.260076][ T5] usb 2-1: new full-speed USB device number 2 using dummy_hcd [ 35.271076][ T7] usb 3-1: new full-speed USB device number 2 using dummy_hcd [ 35.800250][ T7] usb 3-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.809477][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.817498][ T7] usb 3-1: Product: syz [ 35.820338][ T22] usb 1-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.821688][ T7] usb 3-1: Manufacturer: syz [ 35.821708][ T7] usb 3-1: SerialNumber: syz [ 35.821921][ T5] usb 2-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.830763][ T22] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.835343][ T5] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.839917][ T22] usb 1-1: Product: syz [ 35.848941][ T5] usb 2-1: Product: syz [ 35.856917][ T22] usb 1-1: Manufacturer: syz [ 35.864959][ T5] usb 2-1: Manufacturer: syz [ 35.869034][ T22] usb 1-1: SerialNumber: syz [ 35.873214][ T5] usb 2-1: SerialNumber: syz [ 35.890991][ T22] usb 1-1: config 0 descriptor?? [ 35.896426][ T7] usb 3-1: config 0 descriptor?? [ 35.905876][ T5] usb 2-1: config 0 descriptor?? [ 35.920440][ T1287] usb 5-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.929544][ T1287] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.937564][ T1287] usb 5-1: Product: syz [ 35.941872][ T1287] usb 5-1: Manufacturer: syz [ 35.946460][ T1287] usb 5-1: SerialNumber: syz [ 35.951153][ T17] usb 4-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.960482][ T17] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.968552][ T17] usb 4-1: Product: syz [ 35.972776][ T17] usb 4-1: Manufacturer: syz [ 35.977454][ T17] usb 4-1: SerialNumber: syz [ 35.982144][ T728] usb 6-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 35.991221][ T728] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.999209][ T728] usb 6-1: Product: syz [ 36.003401][ T728] usb 6-1: Manufacturer: syz [ 36.007993][ T728] usb 6-1: SerialNumber: syz [ 36.015220][ T728] usb 6-1: config 0 descriptor?? [ 36.021791][ T1287] usb 5-1: config 0 descriptor?? [ 36.027653][ T17] usb 4-1: config 0 descriptor?? [ 36.163603][ T22] cdc_subset 1-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.0-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 36.172728][ T5] cdc_subset 2-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.1-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 36.189270][ T7] cdc_subset 3-1:0.0 usb2: register 'cdc_subset' at usb-dummy_hcd.2-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 36.305482][ T1287] cdc_subset 5-1:0.0 usb3: register 'cdc_subset' at usb-dummy_hcd.4-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 36.319930][ T17] cdc_subset 4-1:0.0 usb4: register 'cdc_subset' at usb-dummy_hcd.3-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 36.334965][ T728] cdc_subset 6-1:0.0 usb5: register 'cdc_subset' at usb-dummy_hcd.5-1, Epson USB Device, fe:e8:fc:bb:fd:c4 executing program executing program [ 36.366506][ T5] usb 1-1: USB disconnect, device number 2 [ 36.379072][ T1287] usb 3-1: USB disconnect, device number 2 [ 36.397346][ T1287] cdc_subset 3-1:0.0 usb2: unregister 'cdc_subset' usb-dummy_hcd.2-1, Epson USB Device executing program [ 36.412021][ T5] cdc_subset 1-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.0-1, Epson USB Device [ 36.463108][ T7] usb 2-1: USB disconnect, device number 2 [ 36.471764][ T7] cdc_subset 2-1:0.0 usb1: unregister 'cdc_subset' usb-dummy_hcd.1-1, Epson USB Device executing program executing program executing program [ 36.506732][ T1127] usb 4-1: USB disconnect, device number 2 [ 36.512895][ T1303] usb 5-1: USB disconnect, device number 2 [ 36.524227][ T1127] cdc_subset 4-1:0.0 usb4: unregister 'cdc_subset' usb-dummy_hcd.3-1, Epson USB Device [ 36.551427][ T1303] cdc_subset 5-1:0.0 usb3: unregister 'cdc_subset' usb-dummy_hcd.4-1, Epson USB Device [ 36.591749][ T1305] usb 6-1: USB disconnect, device number 2 [ 36.609015][ T1305] cdc_subset 6-1:0.0 usb5: unregister 'cdc_subset' usb-dummy_hcd.5-1, Epson USB Device [ 37.000131][ T1287] usb 3-1: new full-speed USB device number 3 using dummy_hcd [ 37.000178][ T5] usb 1-1: new full-speed USB device number 3 using dummy_hcd [ 37.040096][ T1127] usb 4-1: new full-speed USB device number 3 using dummy_hcd [ 37.050479][ T1303] usb 5-1: new full-speed USB device number 3 using dummy_hcd [ 37.060216][ T7] usb 2-1: new full-speed USB device number 3 using dummy_hcd [ 37.080494][ T1305] usb 6-1: new full-speed USB device number 3 using dummy_hcd [ 37.530333][ T5] usb 1-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.539419][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.547544][ T5] usb 1-1: Product: syz [ 37.551779][ T5] usb 1-1: Manufacturer: syz [ 37.556371][ T5] usb 1-1: SerialNumber: syz [ 37.561550][ T1127] usb 4-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.570705][ T1127] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.578698][ T1127] usb 4-1: Product: syz [ 37.582945][ T1127] usb 4-1: Manufacturer: syz [ 37.587535][ T1127] usb 4-1: SerialNumber: syz [ 37.592311][ T1303] usb 5-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.601547][ T1303] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.609542][ T1303] usb 5-1: Product: syz [ 37.613819][ T1303] usb 5-1: Manufacturer: syz [ 37.618410][ T1303] usb 5-1: SerialNumber: syz [ 37.623138][ T7] usb 2-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.632261][ T7] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.640303][ T7] usb 2-1: Product: syz [ 37.644490][ T7] usb 2-1: Manufacturer: syz [ 37.649094][ T7] usb 2-1: SerialNumber: syz [ 37.653780][ T1305] usb 6-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.660210][ T1287] usb 3-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 37.662843][ T1305] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.662868][ T1305] usb 6-1: Product: syz [ 37.671891][ T1287] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 37.671915][ T1287] usb 3-1: Product: syz [ 37.679882][ T1305] usb 6-1: Manufacturer: syz [ 37.684049][ T1287] usb 3-1: Manufacturer: syz [ 37.692123][ T1305] usb 6-1: SerialNumber: syz [ 37.696251][ T1287] usb 3-1: SerialNumber: syz [ 37.718474][ T1287] usb 3-1: config 0 descriptor?? [ 37.731548][ T1127] usb 4-1: config 0 descriptor?? [ 37.737245][ T5] usb 1-1: config 0 descriptor?? [ 37.742950][ T1303] usb 5-1: config 0 descriptor?? [ 37.750335][ T7] usb 2-1: config 0 descriptor?? [ 37.757047][ T1305] usb 6-1: config 0 descriptor?? [ 37.992783][ T1287] cdc_subset 3-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.2-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 37.995453][ T1127] cdc_subset 4-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.3-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 38.018533][ T5] cdc_subset 1-1:0.0 usb2: register 'cdc_subset' at usb-dummy_hcd.0-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 38.034437][ T1303] cdc_subset 5-1:0.0 usb3: register 'cdc_subset' at usb-dummy_hcd.4-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 38.048735][ T7] cdc_subset 2-1:0.0 usb4: register 'cdc_subset' at usb-dummy_hcd.1-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 38.063328][ T1305] cdc_subset 6-1:0.0 usb5: register 'cdc_subset' at usb-dummy_hcd.5-1, Epson USB Device, fe:e8:fc:bb:fd:c4 executing program executing program executing program executing program executing program executing program [ 38.192304][ T1127] usb 3-1: USB disconnect, device number 3 [ 38.193281][ T1287] usb 4-1: USB disconnect, device number 3 [ 38.204248][ T1127] cdc_subset 3-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.2-1, Epson USB Device [ 38.253426][ T1287] cdc_subset 4-1:0.0 usb1: unregister 'cdc_subset' usb-dummy_hcd.3-1, Epson USB Device [ 38.284217][ T1303] usb 2-1: USB disconnect, device number 3 [ 38.290378][ T7] usb 6-1: USB disconnect, device number 3 [ 38.299746][ T1305] usb 1-1: USB disconnect, device number 3 [ 38.310316][ T1303] cdc_subset 2-1:0.0 usb4: unregister 'cdc_subset' usb-dummy_hcd.1-1, Epson USB Device [ 38.311227][ T728] usb 5-1: USB disconnect, device number 3 [ 38.327782][ T7] cdc_subset 6-1:0.0 usb5: unregister 'cdc_subset' usb-dummy_hcd.5-1, Epson USB Device [ 38.338299][ T1305] cdc_subset 1-1:0.0 usb2: unregister 'cdc_subset' usb-dummy_hcd.0-1, Epson USB Device [ 38.345126][ T728] cdc_subset 5-1:0.0 usb3: unregister 'cdc_subset' usb-dummy_hcd.4-1, Epson USB Device [ 38.760151][ T1127] usb 3-1: new full-speed USB device number 4 using dummy_hcd [ 38.790231][ T7] usb 6-1: new full-speed USB device number 4 using dummy_hcd [ 38.800550][ T1303] usb 2-1: new full-speed USB device number 4 using dummy_hcd [ 38.808151][ T1305] usb 1-1: new full-speed USB device number 4 using dummy_hcd [ 38.850194][ T728] usb 5-1: new full-speed USB device number 4 using dummy_hcd [ 38.857769][ T1287] usb 4-1: new full-speed USB device number 4 using dummy_hcd [ 39.290560][ T1127] usb 3-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.299633][ T1127] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.307761][ T1127] usb 3-1: Product: syz [ 39.312125][ T1127] usb 3-1: Manufacturer: syz [ 39.316744][ T1127] usb 3-1: SerialNumber: syz [ 39.321510][ T7] usb 6-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.330784][ T7] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.338804][ T7] usb 6-1: Product: syz [ 39.343032][ T7] usb 6-1: Manufacturer: syz [ 39.347630][ T7] usb 6-1: SerialNumber: syz [ 39.352369][ T1303] usb 2-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.361439][ T1303] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.369432][ T1303] usb 2-1: Product: syz [ 39.373659][ T1303] usb 2-1: Manufacturer: syz [ 39.378254][ T1303] usb 2-1: SerialNumber: syz [ 39.382955][ T1305] usb 1-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.392022][ T1305] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.400067][ T1305] usb 1-1: Product: syz [ 39.404333][ T1305] usb 1-1: Manufacturer: syz [ 39.409046][ T1305] usb 1-1: SerialNumber: syz [ 39.415271][ T1127] usb 3-1: config 0 descriptor?? [ 39.421621][ T7] usb 6-1: config 0 descriptor?? [ 39.428368][ T1303] usb 2-1: config 0 descriptor?? [ 39.430416][ T728] usb 5-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.434285][ T1305] usb 1-1: config 0 descriptor?? [ 39.442455][ T728] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.442477][ T728] usb 5-1: Product: syz [ 39.442493][ T728] usb 5-1: Manufacturer: syz [ 39.464215][ T728] usb 5-1: SerialNumber: syz [ 39.474330][ T728] usb 5-1: config 0 descriptor?? [ 39.500239][ T1287] usb 4-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 39.509387][ T1287] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 39.517461][ T1287] usb 4-1: Product: syz [ 39.522946][ T1287] usb 4-1: Manufacturer: syz [ 39.527565][ T1287] usb 4-1: SerialNumber: syz [ 39.534516][ T1287] usb 4-1: config 0 descriptor?? [ 39.682584][ T7] cdc_subset 6-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.5-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 39.696233][ T1127] cdc_subset 3-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.2-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 39.709976][ T1303] cdc_subset 2-1:0.0 usb2: register 'cdc_subset' at usb-dummy_hcd.1-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 39.723723][ T1305] cdc_subset 1-1:0.0 usb3: register 'cdc_subset' at usb-dummy_hcd.0-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 39.754608][ T728] cdc_subset 5-1:0.0 usb4: register 'cdc_subset' at usb-dummy_hcd.4-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 39.813420][ T1287] cdc_subset 4-1:0.0 usb5: register 'cdc_subset' at usb-dummy_hcd.3-1, Epson USB Device, fe:e8:fc:bb:fd:c4 executing program executing program executing program executing program [ 39.920530][ T1287] usb 3-1: USB disconnect, device number 4 [ 39.927566][ T22] usb 2-1: USB disconnect, device number 4 [ 39.933807][ T728] usb 6-1: USB disconnect, device number 4 [ 39.943401][ T1305] usb 5-1: USB disconnect, device number 4 [ 39.947031][ T1288] usb 1-1: USB disconnect, device number 4 [ 39.953521][ T1305] cdc_subset 5-1:0.0 usb4: unregister 'cdc_subset' usb-dummy_hcd.4-1, Epson USB Device executing program executing program [ 39.956553][ T22] cdc_subset 2-1:0.0 usb2: unregister 'cdc_subset' usb-dummy_hcd.1-1, Epson USB Device [ 39.982680][ T728] cdc_subset 6-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.5-1, Epson USB Device [ 39.992765][ T1288] cdc_subset 1-1:0.0 usb3: unregister 'cdc_subset' usb-dummy_hcd.0-1, Epson USB Device [ 40.003587][ T1287] cdc_subset 3-1:0.0 usb1: unregister 'cdc_subset' usb-dummy_hcd.2-1, Epson USB Device [ 40.024471][ T1289] usb 4-1: USB disconnect, device number 4 [ 40.036145][ T1289] cdc_subset 4-1:0.0 usb5: unregister 'cdc_subset' usb-dummy_hcd.3-1, Epson USB Device [ 40.440148][ T1305] usb 5-1: new full-speed USB device number 5 using dummy_hcd [ 40.500149][ T1288] usb 1-1: new full-speed USB device number 5 using dummy_hcd [ 40.507736][ T728] usb 6-1: new full-speed USB device number 5 using dummy_hcd [ 40.540434][ T1287] usb 3-1: new full-speed USB device number 5 using dummy_hcd [ 40.548021][ T22] usb 2-1: new full-speed USB device number 5 using dummy_hcd [ 40.555975][ T1289] usb 4-1: new full-speed USB device number 5 using dummy_hcd [ 40.960215][ T1305] usb 5-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 40.969274][ T1305] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 40.977277][ T1305] usb 5-1: Product: syz [ 40.981516][ T1305] usb 5-1: Manufacturer: syz [ 40.986092][ T1305] usb 5-1: SerialNumber: syz [ 40.992227][ T1305] usb 5-1: config 0 descriptor?? [ 41.080350][ T1288] usb 1-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 41.089413][ T1288] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.097423][ T1288] usb 1-1: Product: syz [ 41.101692][ T1288] usb 1-1: Manufacturer: syz [ 41.106279][ T1288] usb 1-1: SerialNumber: syz [ 41.110974][ T728] usb 6-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 41.120033][ T728] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.128010][ T728] usb 6-1: Product: syz [ 41.132200][ T728] usb 6-1: Manufacturer: syz [ 41.136788][ T728] usb 6-1: SerialNumber: syz [ 41.151151][ T728] usb 6-1: config 0 descriptor?? [ 41.156825][ T1288] usb 1-1: config 0 descriptor?? [ 41.180506][ T1287] usb 3-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 41.189559][ T1287] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.197622][ T1287] usb 3-1: Product: syz [ 41.201906][ T1287] usb 3-1: Manufacturer: syz [ 41.206499][ T1287] usb 3-1: SerialNumber: syz [ 41.211188][ T1289] usb 4-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 41.220239][ T1289] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.228414][ T1289] usb 4-1: Product: syz [ 41.232620][ T1289] usb 4-1: Manufacturer: syz [ 41.237332][ T1289] usb 4-1: SerialNumber: syz [ 41.242036][ T22] usb 2-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 41.251112][ T22] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 41.252757][ T1305] cdc_subset 5-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.4-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 41.259101][ T22] usb 2-1: Product: syz [ 41.274655][ T22] usb 2-1: Manufacturer: syz [ 41.279253][ T22] usb 2-1: SerialNumber: syz [ 41.293198][ T1289] usb 4-1: config 0 descriptor?? [ 41.298319][ T1287] usb 3-1: config 0 descriptor?? [ 41.307188][ T22] usb 2-1: config 0 descriptor?? [ 41.413047][ T728] cdc_subset 6-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.5-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 41.443501][ T1288] cdc_subset 1-1:0.0 usb2: register 'cdc_subset' at usb-dummy_hcd.0-1, Epson USB Device, fe:e8:fc:bb:fd:c4 executing program [ 41.474975][ T1305] usb 5-1: USB disconnect, device number 5 [ 41.492945][ T1305] cdc_subset 5-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.4-1, Epson USB Device [ 41.543195][ T1289] cdc_subset 4-1:0.0 usb3: register 'cdc_subset' at usb-dummy_hcd.3-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 41.606192][ T1287] cdc_subset 3-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.2-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 41.621293][ T22] cdc_subset 2-1:0.0 usb4: register 'cdc_subset' at usb-dummy_hcd.1-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 41.642405][ T7] usb 1-1: USB disconnect, device number 5 executing program executing program [ 41.648542][ T7] cdc_subset 1-1:0.0 usb2: unregister 'cdc_subset' usb-dummy_hcd.0-1, Epson USB Device [ 41.671939][ T22] usb 6-1: USB disconnect, device number 5 [ 41.707181][ T22] cdc_subset 6-1:0.0 usb1: unregister 'cdc_subset' usb-dummy_hcd.5-1, Epson USB Device [ 41.744528][ T1289] usb 4-1: USB disconnect, device number 5 executing program [ 41.755849][ T1289] cdc_subset 4-1:0.0 usb3: unregister 'cdc_subset' usb-dummy_hcd.3-1, Epson USB Device executing program executing program [ 41.806703][ T1287] usb 3-1: USB disconnect, device number 5 [ 41.816961][ T1287] cdc_subset 3-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.2-1, Epson USB Device [ 41.855338][ T728] usb 2-1: USB disconnect, device number 5 [ 41.869313][ T728] cdc_subset 2-1:0.0 usb4: unregister 'cdc_subset' usb-dummy_hcd.1-1, Epson USB Device [ 41.970821][ T1305] usb 5-1: new full-speed USB device number 6 using dummy_hcd [ 42.210172][ T7] usb 1-1: new full-speed USB device number 6 using dummy_hcd [ 42.300195][ T1289] usb 4-1: new full-speed USB device number 6 using dummy_hcd [ 42.307762][ T22] usb 6-1: new full-speed USB device number 6 using dummy_hcd [ 42.360207][ T1287] usb 3-1: new full-speed USB device number 6 using dummy_hcd [ 42.410121][ T728] usb 2-1: new full-speed USB device number 6 using dummy_hcd [ 42.490273][ T1305] usb 5-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 42.499346][ T1305] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 42.507391][ T1305] usb 5-1: Product: syz [ 42.511610][ T1305] usb 5-1: Manufacturer: syz [ 42.516191][ T1305] usb 5-1: SerialNumber: syz [ 42.530803][ T1305] usb 5-1: config 0 descriptor?? [ 42.730176][ T7] usb 1-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 42.739285][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 42.747289][ T7] usb 1-1: Product: syz [ 42.751464][ T7] usb 1-1: Manufacturer: syz [ 42.756142][ T7] usb 1-1: SerialNumber: syz [ 42.762502][ T7] usb 1-1: config 0 descriptor?? [ 42.792071][ T1305] cdc_subset 5-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.4-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 42.910265][ T1289] usb 4-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 42.919392][ T1289] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 42.927453][ T1289] usb 4-1: Product: syz [ 42.931866][ T1289] usb 4-1: Manufacturer: syz [ 42.936478][ T1289] usb 4-1: SerialNumber: syz [ 42.941184][ T22] usb 6-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 42.950264][ T22] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 42.958265][ T22] usb 6-1: Product: syz [ 42.962562][ T22] usb 6-1: Manufacturer: syz [ 42.967172][ T22] usb 6-1: SerialNumber: syz [ 42.975234][ T22] usb 6-1: config 0 descriptor?? [ 42.981308][ T1289] usb 4-1: config 0 descriptor?? [ 42.992262][ T1288] usb 5-1: USB disconnect, device number 6 executing program [ 43.002232][ T1288] cdc_subset 5-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.4-1, Epson USB Device [ 43.012335][ T1287] usb 3-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 43.021452][ T1287] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 43.022755][ T7] cdc_subset 1-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.0-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 43.029454][ T1287] usb 3-1: Product: syz [ 43.045032][ T1287] usb 3-1: Manufacturer: syz [ 43.049635][ T1287] usb 3-1: SerialNumber: syz [ 43.080377][ T728] usb 2-1: New USB device found, idVendor=0525, idProduct=2888, bcdDevice=91.b0 [ 43.089555][ T728] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 43.097598][ T728] usb 2-1: Product: syz [ 43.101799][ T728] usb 2-1: Manufacturer: syz [ 43.106411][ T728] usb 2-1: SerialNumber: syz [ 43.112370][ T1287] usb 3-1: config 0 descriptor?? [ 43.127607][ T728] usb 2-1: config 0 descriptor?? executing program [ 43.224537][ T7] usb 1-1: USB disconnect, device number 6 [ 43.230984][ T7] cdc_subset 1-1:0.0 usb1: unregister 'cdc_subset' usb-dummy_hcd.0-1, Epson USB Device [ 43.282982][ T22] cdc_subset 6-1:0.0 usb0: register 'cdc_subset' at usb-dummy_hcd.5-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 43.297395][ T1289] cdc_subset 4-1:0.0 usb1: register 'cdc_subset' at usb-dummy_hcd.3-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 43.364295][ T1287] cdc_subset 3-1:0.0 usb2: register 'cdc_subset' at usb-dummy_hcd.2-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 43.410708][ T1305] divide error: 0000 [#1] SMP KASAN [ 43.415942][ T1305] CPU: 0 PID: 1305 Comm: kworker/0:5 Not tainted 5.15.0-rc5-syzkaller #0 [ 43.422115][ T728] cdc_subset 2-1:0.0 usb3: register 'cdc_subset' at usb-dummy_hcd.1-1, Epson USB Device, fe:e8:fc:bb:fd:c4 [ 43.424360][ T1305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.445769][ T1305] Workqueue: mld mld_ifc_work [ 43.450464][ T1305] RIP: 0010:usbnet_start_xmit+0x3f1/0x1f70 [ 43.456375][ T1305] Code: 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 18 00 00 8b 44 24 08 31 d2 31 ff <41> f7 b5 28 0d 00 00 41 89 d4 89 d6 e8 7e 14 b5 fd 45 85 e4 0f 84 [ 43.475989][ T1305] RSP: 0018:ffffc90000347660 EFLAGS: 00010246 [ 43.482058][ T1305] RAX: 000000000000005a RBX: 0000000000000000 RCX: 0000000000000000 [ 43.482902][ T728] usb 6-1: USB disconnect, device number 6 [ 43.490026][ T1305] RDX: 0000000000000000 RSI: ffffffff838cbb91 RDI: 0000000000000000 [ 43.490040][ T1305] RBP: ffff88811c2585d0 R08: 0000000000000001 R09: 0000000000000000 [ 43.490053][ T1305] R10: ffffffff838cbb84 R11: 0000000000000000 R12: 00000000c0018600 [ 43.519712][ T1305] R13: ffff8881184ac000 R14: ffff88811c258500 R15: ffff88810e0e6000 [ 43.527692][ T1305] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 43.536629][ T1305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.543219][ T1305] CR2: 00007f934eaf4ff8 CR3: 00000001124b1000 CR4: 00000000003506f0 [ 43.551201][ T1305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.556203][ T728] cdc_subset 6-1:0.0 usb0: unregister 'cdc_subset' usb-dummy_hcd.5-1, Epson USB Device [ 43.559193][ T1305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.559211][ T1305] Call Trace: [ 43.559218][ T1305] ? lock_release+0x6e0/0x6e0 [ 43.584722][ T1305] dev_hard_start_xmit+0x1df/0x890 [ 43.589850][ T1305] sch_direct_xmit+0x25b/0x790 [ 43.594623][ T1305] ? lock_release+0x6e0/0x6e0 [ 43.599309][ T1305] ? dev_watchdog+0xd10/0xd10 [ 43.603991][ T1305] ? do_raw_spin_trylock+0xb0/0x180 [ 43.609196][ T1305] ? do_raw_spin_lock+0x2b0/0x2b0 [ 43.614229][ T1305] __dev_queue_xmit+0xf25/0x2d40 [ 43.619171][ T1305] ? find_held_lock+0x2d/0x110 [ 43.623938][ T1305] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 43.629229][ T1305] ? mark_held_locks+0x9f/0xe0 [ 43.633993][ T1305] ? memcpy+0x39/0x60 [ 43.637957][ T1305] neigh_resolve_output+0x50e/0x820 [ 43.643176][ T1305] ip6_finish_output2+0xdbe/0x1b20 [ 43.648273][ T1305] __ip6_finish_output.part.0+0x387/0xbb0 [ 43.653983][ T1305] ip6_output+0x3d2/0x810 [ 43.658314][ T1305] mld_sendpack+0x979/0xe10 [ 43.662808][ T1305] ? igmp6_mcf_seq_next+0x550/0x550 [ 43.667994][ T1305] ? lock_release+0x6e0/0x6e0 [ 43.672680][ T1305] mld_ifc_work+0x71c/0xdc0 [ 43.677179][ T1305] process_one_work+0x9bf/0x1620 [ 43.682116][ T1305] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 43.687482][ T1305] ? rwlock_bug.part.0+0x90/0x90 [ 43.692486][ T1305] worker_thread+0x658/0x11f0 [ 43.697152][ T1305] ? __kthread_parkme+0x126/0x1f0 [ 43.702182][ T1305] ? process_one_work+0x1620/0x1620 [ 43.707383][ T1305] kthread+0x3c2/0x4a0 [ 43.711440][ T1305] ? _raw_spin_unlock_irq+0x1f/0x30 [ 43.716647][ T1305] ? set_kthread_struct+0x130/0x130 [ 43.721829][ T1305] ret_from_fork+0x1f/0x30 [ 43.726231][ T1305] Modules linked in: [ 43.730261][ T1305] ---[ end trace 3a9b24163cd5e3de ]--- [ 43.735701][ T1305] RIP: 0010:usbnet_start_xmit+0x3f1/0x1f70 [ 43.741515][ T1305] Code: 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 18 00 00 8b 44 24 08 31 d2 31 ff <41> f7 b5 28 0d 00 00 41 89 d4 89 d6 e8 7e 14 b5 fd 45 85 e4 0f 84 [ 43.761132][ T1305] RSP: 0018:ffffc90000347660 EFLAGS: 00010246 [ 43.767195][ T1305] RAX: 000000000000005a RBX: 0000000000000000 RCX: 0000000000000000 [ 43.775177][ T1305] RDX: 0000000000000000 RSI: ffffffff838cbb91 RDI: 0000000000000000 [ 43.783143][ T1305] RBP: ffff88811c2585d0 R08: 0000000000000001 R09: 0000000000000000 [ 43.791100][ T1305] R10: ffffffff838cbb84 R11: 0000000000000000 R12: 00000000c0018600 [ 43.799051][ T1305] R13: ffff8881184ac000 R14: ffff88811c258500 R15: ffff88810e0e6000 [ 43.807028][ T1305] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 43.815951][ T1305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.822530][ T1305] CR2: 00007f934eaf4ff8 CR3: 00000001124b1000 CR4: 00000000003506f0 [ 43.830498][ T1305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.838637][ T1305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.846607][ T1305] Kernel panic - not syncing: Fatal exception in interrupt [ 43.853841][ T1305] Kernel Offset: disabled [ 43.858232][ T1305] Rebooting in 86400 seconds..