Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 559.828398][ T101] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 559.828457][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 559.848731][ T102] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 559.854923][ T22] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 559.870410][ T1730] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 559.878426][ T1731] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 560.078331][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 560.078355][ T101] usb 1-1: Using ep0 maxpacket: 8 [ 560.108271][ T102] usb 2-1: Using ep0 maxpacket: 8 [ 560.108381][ T1730] usb 3-1: Using ep0 maxpacket: 8 [ 560.118702][ T1731] usb 5-1: Using ep0 maxpacket: 8 [ 560.123930][ T22] usb 4-1: Using ep0 maxpacket: 8 [ 560.208647][ T101] usb 1-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.208658][ T12] usb 6-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.208688][ T101] usb 1-1: config 0 has no interface number 0 [ 560.217260][ T12] usb 6-1: config 0 has no interface number 0 [ 560.225991][ T101] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.232275][ T12] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.238422][ T101] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.249391][ T12] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.249428][ T12] usb 6-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 560.249436][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.254394][ T12] usb 6-1: config 0 descriptor?? [ 560.260936][ T101] usb 1-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 560.260947][ T101] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.261038][ T1731] usb 5-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.288387][ T102] usb 2-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.293942][ T1731] usb 5-1: config 0 has no interface number 0 [ 560.301978][ T102] usb 2-1: config 0 has no interface number 0 [ 560.307013][ T22] usb 4-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.316414][ T102] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.324146][ T22] usb 4-1: config 0 has no interface number 0 [ 560.324198][ T1730] usb 3-1: config 0 has an invalid interface number: 22 but max is 0 [ 560.324205][ T1730] usb 3-1: config 0 has no interface number 0 [ 560.324228][ T1730] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.324238][ T1730] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.324254][ T1730] usb 3-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 560.332363][ T102] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.332389][ T102] usb 2-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 560.340444][ T1730] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.341381][ T22] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.346531][ T102] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.352936][ T22] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.370017][ T12] adutux 6-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 560.373254][ T22] usb 4-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 560.384241][ T102] usb 2-1: config 0 descriptor?? [ 560.387626][ T22] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.388098][ T1730] usb 3-1: config 0 descriptor?? [ 560.440190][ T102] adutux 2-1:0.22: ADU130 now attached to /dev/usb/adutux1 [ 560.445631][ T1731] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 560.536846][ T1731] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 560.548033][ T1731] usb 5-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 executing program [ 560.557118][ T1731] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 560.565585][ T101] usb 1-1: config 0 descriptor?? [ 560.567632][ T102] usb 6-1: USB disconnect, device number 2 [ 560.573331][ T22] usb 4-1: config 0 descriptor?? [ 560.582338][ T1731] usb 5-1: config 0 descriptor?? [ 560.611311][ T101] adutux 1-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 560.619497][ T1730] adutux 3-1:0.22: ADU130 now attached to /dev/usb/adutux2 [ 560.630524][ T22] adutux 4-1:0.22: ADU130 now attached to /dev/usb/adutux3 [ 560.638950][ T1731] adutux 5-1:0.22: ADU130 now attached to /dev/usb/adutux4 executing program [ 560.659462][ T1731] usb 2-1: USB disconnect, device number 2 executing program [ 560.810077][ T22] usb 3-1: USB disconnect, device number 2 [ 560.828572][ T1725] adutux: adu_open - error, can't find device for minor 2 [ 560.829563][ T12] usb 1-1: USB disconnect, device number 2 [ 560.836118][ T1727] adutux: adu_open - error, can't find device for minor 2 [ 560.850131][ T101] usb 5-1: USB disconnect, device number 2 executing program executing program executing program [ 560.850697][ T1734] usb 4-1: USB disconnect, device number 2 [ 560.948307][ T102] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 561.018301][ T1731] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 561.198274][ T102] usb 6-1: Using ep0 maxpacket: 8 [ 561.218274][ T22] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 561.228345][ T101] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 561.258283][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 561.258334][ T1731] usb 2-1: Using ep0 maxpacket: 8 [ 561.266042][ T1734] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 561.328321][ T102] usb 6-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.336480][ T102] usb 6-1: config 0 has no interface number 0 [ 561.342736][ T102] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.353813][ T102] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 561.364819][ T102] usb 6-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.374393][ T102] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.383332][ T102] usb 6-1: config 0 descriptor?? [ 561.388478][ T1731] usb 2-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.396617][ T1731] usb 2-1: config 0 has no interface number 0 [ 561.402790][ T1731] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.414041][ T1731] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 561.425183][ T1731] usb 2-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.434421][ T1731] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.443542][ T102] adutux 6-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 561.443975][ T1731] usb 2-1: config 0 descriptor?? [ 561.488353][ T101] usb 5-1: Using ep0 maxpacket: 8 [ 561.493536][ T22] usb 3-1: Using ep0 maxpacket: 8 [ 561.500560][ T1731] adutux 2-1:0.22: ADU130 now attached to /dev/usb/adutux1 [ 561.518312][ T1734] usb 4-1: Using ep0 maxpacket: 8 [ 561.523477][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 561.638398][ T101] usb 5-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.639569][ T102] usb 6-1: USB disconnect, device number 3 [ 561.646768][ T101] usb 5-1: config 0 has no interface number 0 [ 561.658412][ T1734] usb 4-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.658988][ T22] usb 3-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.667060][ T1734] usb 4-1: config 0 has no interface number 0 [ 561.675206][ T22] usb 3-1: config 0 has no interface number 0 [ 561.675678][ T22] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.681410][ T12] usb 1-1: config 0 has an invalid interface number: 22 but max is 0 [ 561.687689][ T22] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 561.699073][ T12] usb 1-1: config 0 has no interface number 0 [ 561.707422][ T22] usb 3-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.726274][ T1734] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.734791][ T22] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.735192][ T101] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.745941][ T1734] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 561.754216][ T101] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 executing program executing program [ 561.765476][ T1734] usb 4-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.777592][ T101] usb 5-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.789190][ T1734] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.798305][ T101] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.808906][ T12] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 561.825178][ T22] usb 3-1: config 0 descriptor?? [ 561.836071][ T12] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 561.836099][ T12] usb 1-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 561.836116][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.843208][ T101] usb 5-1: config 0 descriptor?? [ 561.860811][ T1746] usb 2-1: USB disconnect, device number 3 [ 561.881150][ T12] usb 1-1: config 0 descriptor?? [ 561.887194][ T1734] usb 4-1: config 0 descriptor?? [ 561.901303][ T22] adutux 3-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 561.909426][ T101] adutux 5-1:0.22: ADU130 now attached to /dev/usb/adutux1 [ 561.921376][ T12] adutux 1-1:0.22: ADU130 now attached to /dev/usb/adutux2 [ 561.932086][ T1734] adutux 4-1:0.22: ADU130 now attached to /dev/usb/adutux3 executing program executing program [ 562.119180][ T101] usb 3-1: USB disconnect, device number 3 [ 562.148872][ T22] usb 5-1: USB disconnect, device number 3 executing program executing program [ 562.168871][ T1731] usb 1-1: USB disconnect, device number 3 [ 562.176143][ T1748] adutux: adu_open - error, can't find device for minor 2 [ 562.184250][ T1734] usb 4-1: USB disconnect, device number 3 [ 562.228377][ T102] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 562.238395][ T1746] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 562.468315][ T102] usb 6-1: Using ep0 maxpacket: 8 [ 562.478318][ T1746] usb 2-1: Using ep0 maxpacket: 8 [ 562.528291][ T101] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 562.548397][ T22] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 562.556136][ T1731] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 562.588369][ T1734] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 562.596066][ T102] usb 6-1: config 0 has an invalid interface number: 22 but max is 0 [ 562.604382][ T102] usb 6-1: config 0 has no interface number 0 [ 562.610586][ T1746] usb 2-1: config 0 has an invalid interface number: 22 but max is 0 [ 562.618698][ T1746] usb 2-1: config 0 has no interface number 0 [ 562.624952][ T1746] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 562.636047][ T1746] usb 2-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 562.647145][ T1746] usb 2-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 562.656355][ T1746] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 562.664773][ T102] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 562.675831][ T102] usb 6-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 562.686964][ T102] usb 6-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 562.696415][ T102] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 562.705918][ T1746] usb 2-1: config 0 descriptor?? [ 562.711339][ T102] usb 6-1: config 0 descriptor?? [ 562.750893][ T1746] adutux 2-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 562.758785][ T102] adutux 6-1:0.22: ADU130 now attached to /dev/usb/adutux1 [ 562.788525][ T101] usb 3-1: Using ep0 maxpacket: 8 [ 562.818383][ T1731] usb 1-1: Using ep0 maxpacket: 8 [ 562.823552][ T22] usb 5-1: Using ep0 maxpacket: 8 [ 562.858305][ T1734] usb 4-1: Using ep0 maxpacket: 8 executing program [ 562.928464][ T101] usb 3-1: config 0 has an invalid interface number: 22 but max is 0 [ 562.936749][ T101] usb 3-1: config 0 has no interface number 0 [ 562.944356][ T101] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 562.949880][ T102] usb 6-1: USB disconnect, device number 4 [ 562.955720][ T101] usb 3-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 executing program [ 562.973132][ T101] usb 3-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 562.982408][ T101] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 562.984293][ T1734] usb 4-1: config 0 has an invalid interface number: 22 but max is 0 [ 562.990741][ T22] usb 5-1: config 0 has an invalid interface number: 22 but max is 0 [ 562.998803][ T1734] usb 4-1: config 0 has no interface number 0 [ 563.007351][ T22] usb 5-1: config 0 has no interface number 0 [ 563.019774][ T1731] usb 1-1: config 0 has an invalid interface number: 22 but max is 0 [ 563.021638][ T1734] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 563.028017][ T1731] usb 1-1: config 0 has no interface number 0 [ 563.028053][ T1731] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 563.028063][ T1731] usb 1-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 563.028082][ T1731] usb 1-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 563.028099][ T1731] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 563.039402][ T1734] usb 4-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 563.047549][ T22] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0xF has an invalid bInterval 90, changing to 10 [ 563.056663][ T1734] usb 4-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 563.056681][ T1734] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 563.068475][ T22] usb 5-1: config 0 interface 22 altsetting 0 endpoint 0x83 has an invalid bInterval 0, changing to 7 [ 563.078750][ T1734] usb 4-1: config 0 descriptor?? [ 563.085670][ T22] usb 5-1: New USB device found, idVendor=0a07, idProduct=0082, bcdDevice=b9.42 [ 563.097469][ T1746] usb 2-1: USB disconnect, device number 4 [ 563.107971][ T22] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 563.139883][ T1734] adutux 4-1:0.22: ADU130 now attached to /dev/usb/adutux0 [ 563.141452][ T1731] usb 1-1: config 0 descriptor?? [ 563.178267][ T101] usb 3-1: config 0 descriptor?? [ 563.184049][ T22] usb 5-1: config 0 descriptor?? [ 563.209860][ T1731] adutux 1-1:0.22: ADU130 now attached to /dev/usb/adutux1 [ 563.219823][ T101] adutux 3-1:0.22: ADU130 now attached to /dev/usb/adutux2 [ 563.230878][ T22] adutux 5-1:0.22: ADU130 now attached to /dev/usb/adutux3 executing program [ 563.359369][ T22] usb 4-1: USB disconnect, device number 4 [ 563.398371][ T102] usb 6-1: new high-speed USB device number 5 using dummy_hcd executing program executing program executing program [ 563.429004][ T101] usb 1-1: USB disconnect, device number 4 [ 563.448892][ T1731] usb 3-1: USB disconnect, device number 4 [ 563.468749][ T1746] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 563.477691][ T1731] ================================================================== [ 563.479198][ T1734] usb 5-1: USB disconnect, device number 4 [ 563.486287][ T1731] BUG: KASAN: use-after-free in __mutex_unlock_slowpath+0x96/0x670 [ 563.486302][ T1731] Read of size 8 at addr ffff8881d06fd680 by task kworker/1:3/1731 [ 563.508011][ T1731] [ 563.510351][ T1731] CPU: 1 PID: 1731 Comm: kworker/1:3 Not tainted 5.3.0-rc5+ #28 [ 563.518104][ T1731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.528307][ T1731] Workqueue: usb_hub_wq hub_event [ 563.533545][ T1731] Call Trace: [ 563.536909][ T1731] dump_stack+0xca/0x13e [ 563.541145][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 563.546672][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 563.552628][ T1731] print_address_description+0x6a/0x32c [ 563.558231][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 563.563829][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 563.569550][ T1731] __kasan_report.cold+0x1a/0x33 [ 563.574476][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 563.580107][ T1731] kasan_report+0xe/0x12 [ 563.584364][ T1731] check_memory_region+0x128/0x190 [ 563.589589][ T1731] __mutex_unlock_slowpath+0x96/0x670 [ 563.594957][ T1731] ? wait_for_completion+0x3c0/0x3c0 [ 563.600225][ T1731] ? wait_for_completion+0x3c0/0x3c0 [ 563.605727][ T1731] adu_disconnect+0x83/0x150 [ 563.610351][ T1731] usb_unbind_interface+0x1bd/0x8a0 [ 563.615606][ T1731] ? usb_autoresume_device+0x60/0x60 [ 563.620967][ T1731] device_release_driver_internal+0x42f/0x500 [ 563.627030][ T1731] bus_remove_device+0x2dc/0x4a0 [ 563.632153][ T1731] device_del+0x420/0xb10 [ 563.636554][ T1731] ? __device_links_no_driver+0x240/0x240 [ 563.642505][ T1731] ? usb_remove_ep_devs+0x3e/0x80 [ 563.647705][ T1731] ? remove_intf_ep_devs+0x13f/0x1d0 [ 563.653208][ T1731] usb_disable_device+0x211/0x690 [ 563.658299][ T1731] usb_disconnect+0x284/0x8d0 [ 563.662970][ T1731] hub_event+0x1454/0x3640 [ 563.667536][ T1731] ? find_held_lock+0x2d/0x110 [ 563.672442][ T1731] ? mark_held_locks+0xe0/0xe0 [ 563.677202][ T1731] ? hub_port_debounce+0x260/0x260 [ 563.682439][ T1731] process_one_work+0x92b/0x1530 [ 563.687686][ T1731] ? pwq_dec_nr_in_flight+0x310/0x310 [ 563.693048][ T1731] ? do_raw_spin_lock+0x11a/0x280 [ 563.698343][ T1731] worker_thread+0x96/0xe20 [ 563.702844][ T1731] ? process_one_work+0x1530/0x1530 [ 563.708028][ T1731] kthread+0x318/0x420 [ 563.712170][ T1731] ? kthread_create_on_node+0xf0/0xf0 [ 563.717545][ T1731] ret_from_fork+0x24/0x30 [ 563.721941][ T1731] [ 563.724256][ T1731] Allocated by task 101: [ 563.728486][ T1731] save_stack+0x1b/0x80 [ 563.732644][ T1731] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 563.738286][ T1731] adu_probe+0x7d/0x6e0 [ 563.742598][ T1731] usb_probe_interface+0x305/0x7a0 [ 563.747876][ T1731] really_probe+0x281/0x6d0 [ 563.752373][ T1731] driver_probe_device+0x101/0x1b0 [ 563.757616][ T1731] __device_attach_driver+0x1c2/0x220 [ 563.763060][ T1731] bus_for_each_drv+0x162/0x1e0 [ 563.767974][ T1731] __device_attach+0x217/0x360 [ 563.772734][ T1731] bus_probe_device+0x1e4/0x290 [ 563.777578][ T1731] device_add+0xae6/0x16f0 [ 563.781993][ T1731] usb_set_configuration+0xdf6/0x1670 [ 563.787531][ T1731] generic_probe+0x9d/0xd5 [ 563.791938][ T1731] usb_probe_device+0x99/0x100 [ 563.796686][ T1731] really_probe+0x281/0x6d0 [ 563.801353][ T1731] driver_probe_device+0x101/0x1b0 [ 563.806465][ T1731] __device_attach_driver+0x1c2/0x220 [ 563.811828][ T1731] bus_for_each_drv+0x162/0x1e0 [ 563.816671][ T1731] __device_attach+0x217/0x360 [ 563.821666][ T1731] bus_probe_device+0x1e4/0x290 [ 563.826656][ T1731] device_add+0xae6/0x16f0 [ 563.831135][ T1731] usb_new_device.cold+0x6a4/0xe79 [ 563.836462][ T1731] hub_event+0x1b5c/0x3640 [ 563.840944][ T1731] process_one_work+0x92b/0x1530 [ 563.846110][ T1731] worker_thread+0x96/0xe20 [ 563.850660][ T1731] kthread+0x318/0x420 [ 563.854787][ T1731] ret_from_fork+0x24/0x30 [ 563.859181][ T1731] [ 563.861644][ T1731] Freed by task 1760: [ 563.865611][ T1731] save_stack+0x1b/0x80 [ 563.869745][ T1731] __kasan_slab_free+0x130/0x180 [ 563.874817][ T1731] kfree+0xe4/0x2f0 [ 563.878619][ T1731] adu_release+0x3cc/0x590 [ 563.883159][ T1731] __fput+0x2d7/0x840 [ 563.887159][ T1731] task_work_run+0x13f/0x1c0 [ 563.891794][ T1731] do_exit+0x8ef/0x2c00 [ 563.896015][ T1731] do_group_exit+0x125/0x340 [ 563.900608][ T1731] __x64_sys_exit_group+0x3a/0x50 [ 563.905696][ T1731] do_syscall_64+0xb7/0x580 [ 563.910190][ T1731] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.916136][ T1731] [ 563.918534][ T1731] The buggy address belongs to the object at ffff8881d06fd680 [ 563.918534][ T1731] which belongs to the cache kmalloc-512 of size 512 [ 563.932763][ T1731] The buggy address is located 0 bytes inside of [ 563.932763][ T1731] 512-byte region [ffff8881d06fd680, ffff8881d06fd880) [ 563.946049][ T1731] The buggy address belongs to the page: [ 563.951850][ T1731] page:ffffea000741bf00 refcount:1 mapcount:0 mapping:ffff8881da002500 index:0x0 compound_mapcount: 0 [ 563.962955][ T1731] flags: 0x200000000010200(slab|head) [ 563.968398][ T1731] raw: 0200000000010200 ffffea0007419500 0000000800000008 ffff8881da002500 [ 563.977101][ T1731] raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 [ 563.985856][ T1731] page dumped because: kasan: bad access detected [ 563.993111][ T1731] [ 563.995420][ T1731] Memory state around the buggy address: [ 564.001044][ T1731] ffff8881d06fd580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 564.009550][ T1731] ffff8881d06fd600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 564.017927][ T1731] >ffff8881d06fd680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 564.026323][ T1731] ^ [ 564.030457][ T1731] ffff8881d06fd700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 564.038522][ T1731] ffff8881d06fd780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 564.046824][ T1731] ================================================================== [ 564.055076][ T1731] Disabling lock debugging due to kernel taint [ 564.061527][ T1731] Kernel panic - not syncing: panic_on_warn set ... [ 564.069030][ T1731] CPU: 1 PID: 1731 Comm: kworker/1:3 Tainted: G B 5.3.0-rc5+ #28 [ 564.078262][ T1731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.088496][ T1731] Workqueue: usb_hub_wq hub_event [ 564.093675][ T1731] Call Trace: [ 564.097044][ T1731] dump_stack+0xca/0x13e [ 564.101404][ T1731] panic+0x2a3/0x6da [ 564.113983][ T1731] ? add_taint.cold+0x16/0x16 [ 564.118979][ T1731] ? retint_kernel+0x10/0x10 [ 564.124017][ T1731] ? trace_hardirqs_on+0x55/0x1e0 [ 564.129184][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 564.134725][ T1731] end_report+0x43/0x49 [ 564.138870][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 564.144687][ T1731] __kasan_report.cold+0xd/0x33 [ 564.149606][ T1731] ? __mutex_unlock_slowpath+0x96/0x670 [ 564.155155][ T1731] kasan_report+0xe/0x12 [ 564.159630][ T1731] check_memory_region+0x128/0x190 [ 564.164800][ T1731] __mutex_unlock_slowpath+0x96/0x670 [ 564.170260][ T1731] ? wait_for_completion+0x3c0/0x3c0 [ 564.175626][ T1731] ? wait_for_completion+0x3c0/0x3c0 [ 564.181000][ T1731] adu_disconnect+0x83/0x150 [ 564.185850][ T1731] usb_unbind_interface+0x1bd/0x8a0 [ 564.191138][ T1731] ? usb_autoresume_device+0x60/0x60 [ 564.196534][ T1731] device_release_driver_internal+0x42f/0x500 [ 564.202586][ T1731] bus_remove_device+0x2dc/0x4a0 [ 564.207509][ T1731] device_del+0x420/0xb10 [ 564.212109][ T1731] ? __device_links_no_driver+0x240/0x240 [ 564.217909][ T1731] ? usb_remove_ep_devs+0x3e/0x80 [ 564.223148][ T1731] ? remove_intf_ep_devs+0x13f/0x1d0 [ 564.228426][ T1731] usb_disable_device+0x211/0x690 [ 564.233446][ T1731] usb_disconnect+0x284/0x8d0 [ 564.238402][ T1731] hub_event+0x1454/0x3640 [ 564.242820][ T1731] ? find_held_lock+0x2d/0x110 [ 564.247686][ T1731] ? mark_held_locks+0xe0/0xe0 [ 564.252542][ T1731] ? hub_port_debounce+0x260/0x260 [ 564.257651][ T1731] process_one_work+0x92b/0x1530 [ 564.262728][ T1731] ? pwq_dec_nr_in_flight+0x310/0x310 [ 564.268159][ T1731] ? do_raw_spin_lock+0x11a/0x280 [ 564.273241][ T1731] worker_thread+0x96/0xe20 [ 564.277742][ T1731] ? process_one_work+0x1530/0x1530 [ 564.282927][ T1731] kthread+0x318/0x420 [ 564.287073][ T1731] ? kthread_create_on_node+0xf0/0xf0 [ 564.292430][ T1731] ret_from_fork+0x24/0x30 [ 564.297352][ T1731] Kernel Offset: disabled [ 564.301680][ T1731] Rebooting in 86400 seconds..