[....] Starting OpenBSD Secure Shell server: sshd[ 14.365174][ T1661] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.732371][ T1696] random: sshd: uninitialized urandom read (32 bytes read) [ 18.941618][ T1699] random: sshd: uninitialized urandom read (32 bytes read) [ 19.026065][ C1] random: crng init done [ 27.876973][ T1712] can: request_module (can-proto-0) failed. [ 27.905281][ T1712] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.50' (ECDSA) to the list of known hosts. 2019/09/30 14:53:05 parsed 1 programs 2019/09/30 14:53:06 executed programs: 0 [ 34.654804][ T1850] cgroup1: Unknown subsys name 'perf_event' [ 34.665004][ T1852] cgroup1: Unknown subsys name 'perf_event' [ 34.668911][ T1856] cgroup1: Unknown subsys name 'perf_event' [ 34.673831][ T1850] cgroup1: Unknown subsys name 'net_cls' [ 34.677806][ T1856] cgroup1: Unknown subsys name 'net_cls' [ 34.683642][ T1852] cgroup1: Unknown subsys name 'net_cls' [ 34.689919][ T1857] cgroup1: Unknown subsys name 'perf_event' [ 34.695033][ T1859] cgroup1: Unknown subsys name 'perf_event' [ 34.702754][ T1857] cgroup1: Unknown subsys name 'net_cls' [ 34.710117][ T1859] cgroup1: Unknown subsys name 'net_cls' [ 34.720548][ T1863] cgroup1: Unknown subsys name 'perf_event' [ 34.726751][ T1863] cgroup1: Unknown subsys name 'net_cls' [ 37.668527][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 37.878377][ T22] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 37.908350][ T12] usb 4-1: Using ep0 maxpacket: 16 [ 37.918405][ T2807] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.928421][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 37.948466][ T2851] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 37.958368][ T101] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 38.028445][ T12] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.036686][ T12] usb 4-1: config 0 has no interface number 0 [ 38.043074][ T12] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.053126][ T12] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.062173][ T12] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.072047][ T12] usb 4-1: config 0 descriptor?? [ 38.128393][ T22] usb 5-1: Using ep0 maxpacket: 16 [ 38.149041][ T2865] hwrng: no data available [ 38.168438][ T2807] usb 1-1: Using ep0 maxpacket: 16 [ 38.198371][ T101] usb 6-1: Using ep0 maxpacket: 16 [ 38.208435][ T2851] usb 3-1: Using ep0 maxpacket: 16 [ 38.213709][ T5] usb 2-1: Using ep0 maxpacket: 16 [ 38.248426][ T22] usb 5-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.256590][ T22] usb 5-1: config 0 has no interface number 0 [ 38.262992][ T22] usb 5-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.273036][ T22] usb 5-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.282153][ T22] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.291171][ T22] usb 5-1: config 0 descriptor?? [ 38.298822][ T2807] usb 1-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.306955][ T2807] usb 1-1: config 0 has no interface number 0 [ 38.313194][ T2807] usb 1-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.323227][ T2807] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.328434][ T101] usb 6-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.332387][ T2807] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.340573][ T101] usb 6-1: config 0 has no interface number 0 [ 38.348721][ T5] usb 2-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.356794][ T101] usb 6-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.362493][ T5] usb 2-1: config 0 has no interface number 0 [ 38.366246][ T5] usb 2-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.372483][ T101] usb 6-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.372496][ T101] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.372869][ T22] chaoskey 5-1:0.69: Unable to register with hwrng [ 38.378638][ T5] usb 2-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.378652][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.379939][ T5] usb 2-1: config 0 descriptor?? [ 38.412088][ T101] usb 6-1: config 0 descriptor?? [ 38.412563][ T2851] usb 3-1: config 0 has an invalid interface number: 69 but max is 0 [ 38.447514][ T2851] usb 3-1: config 0 has no interface number 0 [ 38.454573][ T2807] usb 1-1: config 0 descriptor?? [ 38.459752][ T2851] usb 3-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 38.464181][ T101] chaoskey 6-1:0.69: Unable to register with hwrng [ 38.469691][ T2851] usb 3-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 38.469704][ T2851] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.479735][ T2851] usb 3-1: config 0 descriptor?? [ 38.501539][ T5] chaoskey 2-1:0.69: Unable to register with hwrng [ 38.510820][ T2807] chaoskey 1-1:0.69: Unable to register with hwrng [ 38.560265][ T2851] chaoskey 3-1:0.69: Unable to register with hwrng [ 38.920821][ T101] usb 6-1: USB disconnect, device number 2 [ 38.981443][ T22] usb 1-1: USB disconnect, device number 2 [ 38.992370][ T2862] usb 2-1: USB disconnect, device number 2 [ 39.066160][ T2875] usb 3-1: USB disconnect, device number 2 [ 39.768366][ T2851] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 39.828377][ T2875] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 39.828384][ T2807] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 39.918401][ T5] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 40.008563][ T2851] usb 6-1: Using ep0 maxpacket: 16 [ 40.068434][ T2807] usb 2-1: Using ep0 maxpacket: 16 [ 40.078486][ T2875] usb 1-1: Using ep0 maxpacket: 16 [ 40.128540][ T2851] usb 6-1: config 0 has an invalid interface number: 69 but max is 0 [ 40.136703][ T2851] usb 6-1: config 0 has no interface number 0 [ 40.142916][ T2851] usb 6-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 40.152926][ T2851] usb 6-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 40.161996][ T2851] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.170432][ T5] usb 3-1: Using ep0 maxpacket: 16 [ 40.176343][ T2851] usb 6-1: config 0 descriptor?? [ 40.198494][ T2875] usb 1-1: config 0 has an invalid interface number: 69 but max is 0 [ 40.206723][ T2875] usb 1-1: config 0 has no interface number 0 [ 40.213135][ T2875] usb 1-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 40.218487][ T2807] usb 2-1: config 0 has an invalid interface number: 69 but max is 0 [ 40.223208][ T2875] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 40.231288][ T2807] usb 2-1: config 0 has no interface number 0 [ 40.240352][ T2875] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.249031][ T2807] usb 2-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 40.262141][ T2875] usb 1-1: config 0 descriptor?? [ 40.264413][ T2807] usb 2-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 40.278392][ T2807] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.286662][ T2851] chaoskey 6-1:0.69: Unable to register with hwrng [ 40.295484][ T2807] usb 2-1: config 0 descriptor?? [ 40.311643][ T2875] chaoskey 1-1:0.69: Unable to register with hwrng [ 40.349960][ T5] usb 3-1: config 0 has an invalid interface number: 69 but max is 0 [ 40.358074][ T5] usb 3-1: config 0 has no interface number 0 [ 40.364749][ T2807] chaoskey 2-1:0.69: Unable to register with hwrng [ 40.374733][ T5] usb 3-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 40.384718][ T5] usb 3-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 2019/09/30 14:53:11 executed programs: 6 [ 40.393801][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.395065][ T2875] usb 4-1: USB disconnect, device number 2 [ 40.408485][ T5] usb 3-1: config 0 descriptor?? [ 40.421561][ T22] usb 5-1: USB disconnect, device number 2 [ 40.447876][ T2807] usb 6-1: USB disconnect, device number 3 [ 40.512073][ T5] usb 1-1: USB disconnect, device number 3 [ 40.549310][ T2862] usb 2-1: USB disconnect, device number 3 [ 40.657531][ T22] usb 3-1: USB disconnect, device number 3 [ 40.968395][ T2807] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 40.998387][ T2862] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 41.028365][ T5] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 41.178416][ T2851] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 41.208372][ T2807] usb 6-1: Using ep0 maxpacket: 16 [ 41.238378][ T2862] usb 2-1: Using ep0 maxpacket: 16 [ 41.268426][ T5] usb 1-1: Using ep0 maxpacket: 16 [ 41.328479][ T2807] usb 6-1: config 0 has an invalid interface number: 69 but max is 0 [ 41.336656][ T2807] usb 6-1: config 0 has no interface number 0 [ 41.342841][ T2807] usb 6-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 41.352849][ T2807] usb 6-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 41.361888][ T2807] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.368452][ T2862] usb 2-1: config 0 has an invalid interface number: 69 but max is 0 [ 41.371420][ T2807] usb 6-1: config 0 descriptor?? [ 41.377989][ T2862] usb 2-1: config 0 has no interface number 0 [ 41.380930][ T2862] usb 2-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 41.399424][ T2862] usb 2-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 41.408418][ T5] usb 1-1: config 0 has an invalid interface number: 69 but max is 0 [ 41.408431][ T5] usb 1-1: config 0 has no interface number 0 [ 41.408494][ T5] usb 1-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 41.416508][ T2862] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.423646][ T2862] usb 2-1: config 0 descriptor?? [ 41.432647][ T5] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 41.432659][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.434070][ T2851] usb 5-1: Using ep0 maxpacket: 16 [ 41.474480][ T5] usb 1-1: config 0 descriptor?? [ 41.490667][ T2862] chaoskey 2-1:0.69: Unable to register with hwrng [ 41.520855][ T5] chaoskey 1-1:0.69: Unable to register with hwrng [ 41.528431][ T2851] usb 5-1: device descriptor read/all, error -71 [ 41.823844][ T5] usb 6-1: USB disconnect, device number 4 [ 41.889700][ T2862] usb 2-1: USB disconnect, device number 4 [ 41.919694][ T2877] usb 1-1: USB disconnect, device number 4 [ 41.928469][ T2851] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 42.168444][ T2851] usb 5-1: Using ep0 maxpacket: 16 [ 42.288440][ T2851] usb 5-1: config 0 has an invalid interface number: 69 but max is 0 [ 42.296685][ T2851] usb 5-1: config 0 has no interface number 0 [ 42.302830][ T2851] usb 5-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 42.312758][ T2851] usb 5-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 42.321801][ T2851] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.330704][ T2851] usb 5-1: config 0 descriptor?? [ 42.658385][ T2877] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 42.688412][ T2851] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 42.769639][ T2862] usb 5-1: USB disconnect, device number 4 [ 42.898362][ T2877] usb 2-1: Using ep0 maxpacket: 16 [ 42.938404][ T2851] usb 1-1: Using ep0 maxpacket: 16 [ 43.018467][ T2877] usb 2-1: config 0 has an invalid interface number: 69 but max is 0 [ 43.026698][ T2877] usb 2-1: config 0 has no interface number 0 [ 43.032897][ T2877] usb 2-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 43.042856][ T2877] usb 2-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 43.051905][ T2877] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.061153][ T2877] usb 2-1: config 0 descriptor?? [ 43.068485][ T2851] usb 1-1: config 0 has an invalid interface number: 69 but max is 0 [ 43.076624][ T2851] usb 1-1: config 0 has no interface number 0 [ 43.082850][ T2851] usb 1-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 43.092914][ T2851] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 43.101979][ T2851] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.116780][ T2851] usb 1-1: config 0 descriptor?? [ 43.160735][ T2851] chaoskey 1-1:0.69: Unable to register with hwrng [ 43.309546][ T2851] usb 2-1: USB disconnect, device number 5 [ 43.359865][ T2877] usb 1-1: USB disconnect, device number 5 [ 43.938413][ T2807] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 44.178360][ T2807] usb 1-1: Using ep0 maxpacket: 16 [ 44.298478][ T2807] usb 1-1: config 0 has an invalid interface number: 69 but max is 0 [ 44.306653][ T2807] usb 1-1: config 0 has no interface number 0 [ 44.312851][ T2807] usb 1-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 44.322778][ T2807] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 44.331822][ T2807] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.340595][ T2807] usb 1-1: config 0 descriptor?? [ 44.779644][ T2877] usb 1-1: USB disconnect, device number 6 2019/09/30 14:53:18 executed programs: 18 [ 48.528395][ T2875] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 48.768372][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 48.888436][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 48.896661][ T2875] usb 4-1: config 0 has no interface number 0 [ 48.903126][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 48.913152][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 48.922202][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 48.930986][ T2875] usb 4-1: config 0 descriptor?? [ 49.018439][ T2956] hwrng: no data available [ 50.229684][ T2807] usb 4-1: USB disconnect, device number 3 2019/09/30 14:53:24 executed programs: 30 2019/09/30 14:53:31 executed programs: 42 [ 59.818416][ T2807] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 60.498353][ T2807] usb 4-1: device not accepting address 4, error -71 [ 60.868387][ T2807] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 61.108413][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 61.228424][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 61.236615][ T2807] usb 4-1: config 0 has no interface number 0 [ 61.242760][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 61.252683][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 61.261720][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 61.270542][ T2807] usb 4-1: config 0 descriptor?? [ 61.358489][ T3053] hwrng: no data available [ 63.031176][ T2875] usb 4-1: USB disconnect, device number 5 2019/09/30 14:53:37 executed programs: 54 [ 71.968360][ T2875] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 72.218372][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 72.338878][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 72.347093][ T2875] usb 4-1: config 0 has no interface number 0 [ 72.353223][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 72.363142][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 72.372181][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 72.381112][ T2875] usb 4-1: config 0 descriptor?? [ 72.468590][ T3134] hwrng: no data available [ 72.620078][ T2875] usb 4-1: USB disconnect, device number 6 2019/09/30 14:53:44 executed programs: 66 2019/09/30 14:53:50 executed programs: 78 [ 82.848398][ T2875] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 83.088381][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 83.208904][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 83.219041][ T2875] usb 4-1: config 0 has no interface number 0 [ 83.225159][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 83.235111][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 83.244197][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 83.253029][ T2875] usb 4-1: config 0 descriptor?? [ 83.328436][ T3221] hwrng: no data available [ 83.391579][ T2807] usb 4-1: USB disconnect, device number 7 2019/09/30 14:53:57 executed programs: 90 2019/09/30 14:54:03 executed programs: 102 [ 93.728359][ T2807] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 93.968357][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 94.088464][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 94.096631][ T2807] usb 4-1: config 0 has no interface number 0 [ 94.102825][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 94.112797][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 94.121870][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.130614][ T2807] usb 4-1: config 0 descriptor?? [ 94.208585][ T3301] hwrng: no data available [ 96.209169][ T2807] usb 4-1: USB disconnect, device number 8 2019/09/30 14:54:10 executed programs: 114 [ 104.608372][ T2807] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 104.848360][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 104.968556][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 104.976717][ T2807] usb 4-1: config 0 has no interface number 0 [ 104.982904][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 104.992834][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 105.001897][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.010636][ T2807] usb 4-1: config 0 descriptor?? [ 105.088625][ T3382] hwrng: no data available [ 105.249654][ T2807] usb 4-1: USB disconnect, device number 9 2019/09/30 14:54:16 executed programs: 126 2019/09/30 14:54:23 executed programs: 138 [ 115.508365][ T2807] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 115.758385][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 115.878465][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 115.886623][ T2807] usb 4-1: config 0 has no interface number 0 [ 115.892817][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 115.902796][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 115.911839][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.920962][ T2807] usb 4-1: config 0 descriptor?? [ 115.998719][ T3469] hwrng: no data available [ 116.012149][ T2875] usb 4-1: USB disconnect, device number 10 2019/09/30 14:54:29 executed programs: 150 2019/09/30 14:54:36 executed programs: 162 [ 126.368361][ T2875] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 126.608377][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 126.728511][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 126.736709][ T2875] usb 4-1: config 0 has no interface number 0 [ 126.742890][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 126.752825][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 126.761866][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 126.770781][ T2875] usb 4-1: config 0 descriptor?? [ 126.848535][ T3549] hwrng: no data available [ 128.829280][ T2875] usb 4-1: USB disconnect, device number 11 2019/09/30 14:54:43 executed programs: 174 [ 137.248383][ T2875] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 137.488343][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 137.618467][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 137.626620][ T2875] usb 4-1: config 0 has no interface number 0 [ 137.632971][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 137.643048][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 137.652108][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.661414][ T2875] usb 4-1: config 0 descriptor?? [ 137.748719][ T3629] hwrng: no data available [ 137.899229][ T2807] usb 4-1: USB disconnect, device number 12 2019/09/30 14:54:49 executed programs: 186 2019/09/30 14:54:56 executed programs: 198 [ 148.128362][ T2807] usb 4-1: new high-speed USB device number 13 using dummy_hcd [ 148.368613][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 148.488441][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 148.496604][ T2807] usb 4-1: config 0 has no interface number 0 [ 148.502907][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 148.512847][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 148.521889][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.530628][ T2807] usb 4-1: config 0 descriptor?? [ 148.608589][ T3716] hwrng: no data available [ 148.670342][ T2875] usb 4-1: USB disconnect, device number 13 2019/09/30 14:55:02 executed programs: 210 2019/09/30 14:55:09 executed programs: 222 [ 159.008356][ T2875] usb 4-1: new high-speed USB device number 14 using dummy_hcd [ 159.248375][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 159.368490][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 159.376878][ T2875] usb 4-1: config 0 has no interface number 0 [ 159.383035][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 159.392982][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 159.402302][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 159.411488][ T2875] usb 4-1: config 0 descriptor?? [ 159.488419][ T3796] hwrng: no data available [ 161.499250][ T2875] usb 4-1: USB disconnect, device number 14 2019/09/30 14:55:15 executed programs: 234 [ 169.888359][ T2875] usb 4-1: new high-speed USB device number 15 using dummy_hcd [ 170.128844][ T2875] usb 4-1: Using ep0 maxpacket: 16 [ 170.258840][ T2875] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 170.267152][ T2875] usb 4-1: config 0 has no interface number 0 [ 170.273451][ T2875] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 170.283952][ T2875] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 170.293201][ T2875] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.302243][ T2875] usb 4-1: config 0 descriptor?? [ 170.388505][ T3877] hwrng: no data available [ 170.539403][ T2807] usb 4-1: USB disconnect, device number 15 2019/09/30 14:55:22 executed programs: 246 2019/09/30 14:55:28 executed programs: 258 [ 180.778365][ T2807] usb 4-1: new high-speed USB device number 16 using dummy_hcd [ 181.028371][ T2807] usb 4-1: Using ep0 maxpacket: 16 [ 181.158433][ T2807] usb 4-1: config 0 has an invalid interface number: 69 but max is 0 [ 181.166582][ T2807] usb 4-1: config 0 has no interface number 0 [ 181.172768][ T2807] usb 4-1: config 0 interface 69 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 73 [ 181.182731][ T2807] usb 4-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=1a.d7 [ 181.191790][ T2807] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.200640][ T2807] usb 4-1: config 0 descriptor?? [ 181.278599][ T3964] hwrng: no data available [ 181.303236][ T2807] usb 4-1: USB disconnect, device number 16 2019/09/30 14:55:35 executed programs: 270 [ 187.458507][ T23] INFO: task kworker/0:0:5 blocked for more than 143 seconds. [ 187.466148][ T23] Not tainted 5.3.0+ #0 [ 187.470863][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 187.479563][ T23] kworker/0:0 D25832 5 2 0x80004000 [ 187.485915][ T23] Workqueue: usb_hub_wq hub_event [ 187.490984][ T23] Call Trace: [ 187.494270][ T23] ? __schedule+0x6e1/0x15d0 [ 187.498890][ T23] ? __sched_text_start+0x8/0x8 [ 187.503740][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 187.509048][ T23] schedule+0xca/0x250 [ 187.513118][ T23] schedule_timeout+0x682/0xb20 [ 187.517950][ T23] ? find_held_lock+0x2d/0x110 [ 187.522794][ T23] ? usleep_range+0x160/0x160 [ 187.527493][ T23] ? mark_lock+0xbc/0x1160 [ 187.531931][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 187.536951][ T23] ? mark_held_locks+0x9f/0xe0 [ 187.541735][ T23] ? _raw_spin_unlock_irq+0x24/0x30 [ 187.546980][ T23] wait_for_completion+0x26f/0x3c0 [ 187.552168][ T23] ? wait_for_completion_interruptible+0x420/0x420 [ 187.558683][ T23] ? wake_up_q+0xf0/0xf0 [ 187.562922][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 187.568491][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 187.573775][ T23] kthread_stop+0x10c/0x600 [ 187.578327][ T23] hwrng_unregister+0x190/0x210 [ 187.583181][ T23] chaoskey_disconnect+0x1b2/0x200 [ 187.588344][ T23] usb_unbind_interface+0x1bd/0x8a0 [ 187.593544][ T23] ? usb_autoresume_device+0x60/0x60 [ 187.598879][ T23] device_release_driver_internal+0x42f/0x500 [ 187.604937][ T23] bus_remove_device+0x2dc/0x4a0 [ 187.609906][ T23] device_del+0x420/0xb10 [ 187.614248][ T23] ? __device_links_no_driver+0x240/0x240 [ 187.619985][ T23] ? usb_remove_ep_devs+0x3e/0x80 [ 187.625008][ T23] ? remove_intf_ep_devs+0x13f/0x1d0 [ 187.630324][ T23] usb_disable_device+0x211/0x690 [ 187.635356][ T23] usb_disconnect+0x284/0x8d0 [ 187.640048][ T23] hub_event+0x1454/0x3640 [ 187.644456][ T23] ? find_held_lock+0x2d/0x110 [ 187.649243][ T23] ? mark_held_locks+0xe0/0xe0 [ 187.654025][ T23] ? hub_port_debounce+0x260/0x260 [ 187.659167][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 187.664705][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 187.670010][ T23] process_one_work+0x92b/0x1530 [ 187.674942][ T23] ? pwq_dec_nr_in_flight+0x310/0x310 [ 187.680340][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 187.685375][ T23] worker_thread+0x96/0xe20 [ 187.689894][ T23] ? process_one_work+0x1530/0x1530 [ 187.695107][ T23] kthread+0x318/0x420 [ 187.699197][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 187.704558][ T23] ret_from_fork+0x24/0x30 [ 187.709186][ T23] INFO: task kworker/1:1:22 blocked for more than 143 seconds. [ 187.716899][ T23] Not tainted 5.3.0+ #0 [ 187.721606][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 187.730306][ T23] kworker/1:1 D26096 22 2 0x80004000 [ 187.736624][ T23] Workqueue: usb_hub_wq hub_event [ 187.741663][ T23] Call Trace: [ 187.744944][ T23] ? __schedule+0x6e1/0x15d0 [ 187.749548][ T23] ? __sched_text_start+0x8/0x8 [ 187.754407][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 187.759713][ T23] schedule+0xca/0x250 [ 187.763778][ T23] schedule_timeout+0x682/0xb20 [ 187.768644][ T23] ? find_held_lock+0x2d/0x110 [ 187.773406][ T23] ? usleep_range+0x160/0x160 [ 187.778073][ T23] ? mark_lock+0xbc/0x1160 [ 187.782514][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 187.787537][ T23] ? mark_held_locks+0x9f/0xe0 [ 187.792322][ T23] ? _raw_spin_unlock_irq+0x24/0x30 [ 187.797515][ T23] wait_for_completion+0x26f/0x3c0 [ 187.802657][ T23] ? wait_for_completion_interruptible+0x420/0x420 [ 187.809188][ T23] ? wake_up_q+0xf0/0xf0 [ 187.813426][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 187.819005][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 187.824294][ T23] kthread_stop+0x10c/0x600 [ 187.828842][ T23] hwrng_unregister+0x190/0x210 [ 187.833697][ T23] chaoskey_disconnect+0x1b2/0x200 [ 187.838860][ T23] usb_unbind_interface+0x1bd/0x8a0 [ 187.844061][ T23] ? usb_autoresume_device+0x60/0x60 [ 187.849379][ T23] device_release_driver_internal+0x42f/0x500 [ 187.855443][ T23] bus_remove_device+0x2dc/0x4a0 [ 187.860400][ T23] device_del+0x420/0xb10 [ 187.864727][ T23] ? __device_links_no_driver+0x240/0x240 [ 187.870469][ T23] ? usb_remove_ep_devs+0x3e/0x80 [ 187.876184][ T23] ? remove_intf_ep_devs+0x13f/0x1d0 [ 187.881481][ T23] usb_disable_device+0x211/0x690 [ 187.886495][ T23] usb_disconnect+0x284/0x8d0 [ 187.891186][ T23] hub_event+0x1454/0x3640 [ 187.895601][ T23] ? find_held_lock+0x2d/0x110 [ 187.900412][ T23] ? mark_held_locks+0xe0/0xe0 [ 187.905200][ T23] ? hub_port_debounce+0x260/0x260 [ 187.910346][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 187.915902][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 187.921204][ T23] process_one_work+0x92b/0x1530 [ 187.926148][ T23] ? pwq_dec_nr_in_flight+0x310/0x310 [ 187.931560][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 187.936576][ T23] worker_thread+0x96/0xe20 [ 187.941116][ T23] ? process_one_work+0x1530/0x1530 [ 187.946315][ T23] kthread+0x318/0x420 [ 187.950415][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 187.955794][ T23] ret_from_fork+0x24/0x30 [ 187.960447][ T23] INFO: task kworker/0:3:2851 blocked for more than 143 seconds. [ 187.968451][ T23] Not tainted 5.3.0+ #0 [ 187.973122][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 187.982668][ T23] kworker/0:3 D25960 2851 2 0x80004000 [ 187.989031][ T23] Workqueue: usb_hub_wq hub_event [ 187.994034][ T23] Call Trace: [ 187.997305][ T23] ? __schedule+0x6e1/0x15d0 [ 188.001927][ T23] ? __sched_text_start+0x8/0x8 [ 188.006774][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 188.012085][ T23] schedule+0xca/0x250 [ 188.016165][ T23] schedule_timeout+0x682/0xb20 [ 188.021045][ T23] ? find_held_lock+0x2d/0x110 [ 188.025811][ T23] ? usleep_range+0x160/0x160 [ 188.030522][ T23] ? mark_lock+0xbc/0x1160 [ 188.034933][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 188.039975][ T23] ? mark_held_locks+0x9f/0xe0 [ 188.044742][ T23] ? _raw_spin_unlock_irq+0x24/0x30 [ 188.049972][ T23] wait_for_completion+0x26f/0x3c0 [ 188.055077][ T23] ? wait_for_completion_interruptible+0x420/0x420 [ 188.061696][ T23] ? wake_up_q+0xf0/0xf0 [ 188.066040][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 188.071613][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 188.076904][ T23] kthread_stop+0x10c/0x600 [ 188.081438][ T23] hwrng_unregister+0x190/0x210 [ 188.086286][ T23] chaoskey_disconnect+0x1b2/0x200 [ 188.091420][ T23] usb_unbind_interface+0x1bd/0x8a0 [ 188.096629][ T23] ? usb_autoresume_device+0x60/0x60 [ 188.101942][ T23] device_release_driver_internal+0x42f/0x500 [ 188.108012][ T23] bus_remove_device+0x2dc/0x4a0 [ 188.113041][ T23] device_del+0x420/0xb10 [ 188.117368][ T23] ? __device_links_no_driver+0x240/0x240 [ 188.123106][ T23] ? usb_remove_ep_devs+0x3e/0x80 [ 188.128167][ T23] ? remove_intf_ep_devs+0x13f/0x1d0 [ 188.133480][ T23] usb_disable_device+0x211/0x690 [ 188.138519][ T23] usb_disconnect+0x284/0x8d0 [ 188.143177][ T23] hub_event+0x1454/0x3640 [ 188.147587][ T23] ? find_held_lock+0x2d/0x110 [ 188.152380][ T23] ? mark_held_locks+0xe0/0xe0 [ 188.157130][ T23] ? hub_port_debounce+0x260/0x260 [ 188.162268][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 188.167806][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 188.173116][ T23] process_one_work+0x92b/0x1530 [ 188.178048][ T23] ? pwq_dec_nr_in_flight+0x310/0x310 [ 188.183454][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 188.188672][ T23] worker_thread+0x96/0xe20 [ 188.193157][ T23] ? process_one_work+0x1530/0x1530 [ 188.198380][ T23] kthread+0x318/0x420 [ 188.202451][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 188.207818][ T23] ret_from_fork+0x24/0x30 [ 188.212274][ T23] INFO: task kworker/1:3:2862 blocked for more than 144 seconds. [ 188.220027][ T23] Not tainted 5.3.0+ #0 [ 188.224689][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 188.233380][ T23] kworker/1:3 D25680 2862 2 0x80004000 [ 188.239745][ T23] Workqueue: usb_hub_wq hub_event [ 188.244752][ T23] Call Trace: [ 188.248033][ T23] ? __schedule+0x6e1/0x15d0 [ 188.252659][ T23] ? __sched_text_start+0x8/0x8 [ 188.257513][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 188.262840][ T23] schedule+0xca/0x250 [ 188.266917][ T23] schedule_timeout+0x682/0xb20 [ 188.271801][ T23] ? find_held_lock+0x2d/0x110 [ 188.276558][ T23] ? usleep_range+0x160/0x160 [ 188.281260][ T23] ? mark_lock+0xbc/0x1160 [ 188.285694][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 188.293801][ T23] ? mark_held_locks+0x9f/0xe0 [ 188.298611][ T23] ? _raw_spin_unlock_irq+0x24/0x30 [ 188.303807][ T23] wait_for_completion+0x26f/0x3c0 [ 188.308959][ T23] ? wait_for_completion_interruptible+0x420/0x420 [ 188.315450][ T23] ? wake_up_q+0xf0/0xf0 [ 188.319728][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 188.325280][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 188.330595][ T23] kthread_stop+0x10c/0x600 [ 188.335092][ T23] hwrng_unregister+0x190/0x210 [ 188.339979][ T23] chaoskey_disconnect+0x1b2/0x200 [ 188.345086][ T23] usb_unbind_interface+0x1bd/0x8a0 [ 188.350322][ T23] ? usb_autoresume_device+0x60/0x60 [ 188.355605][ T23] device_release_driver_internal+0x42f/0x500 [ 188.361701][ T23] bus_remove_device+0x2dc/0x4a0 [ 188.366669][ T23] device_del+0x420/0xb10 [ 188.371020][ T23] ? __device_links_no_driver+0x240/0x240 [ 188.376758][ T23] ? usb_remove_ep_devs+0x3e/0x80 [ 188.381806][ T23] ? remove_intf_ep_devs+0x13f/0x1d0 [ 188.387097][ T23] usb_disable_device+0x211/0x690 [ 188.392144][ T23] usb_disconnect+0x284/0x8d0 [ 188.396851][ T23] hub_event+0x1454/0x3640 [ 188.401302][ T23] ? find_held_lock+0x2d/0x110 [ 188.406175][ T23] ? mark_held_locks+0xe0/0xe0 [ 188.410956][ T23] ? hub_port_debounce+0x260/0x260 [ 188.416079][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 188.421672][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 188.426956][ T23] process_one_work+0x92b/0x1530 [ 188.431934][ T23] ? pwq_dec_nr_in_flight+0x310/0x310 [ 188.437298][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 188.442351][ T23] worker_thread+0x96/0xe20 [ 188.446846][ T23] ? process_one_work+0x1530/0x1530 [ 188.452059][ T23] kthread+0x318/0x420 [ 188.456125][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 188.461517][ T23] ret_from_fork+0x24/0x30 [ 188.465934][ T23] [ 188.465934][ T23] Showing all locks held in the system: [ 188.473710][ T23] 5 locks held by kworker/0:0/5: [ 188.478770][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.488953][ T23] #1: ffff8881da1c7dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.499653][ T23] #2: ffff8881d5d70200 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.507980][ T23] #3: ffff8881d602a400 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.516583][ T23] #4: ffff8881d602c590 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.526612][ T23] 5 locks held by kworker/1:1/22: [ 188.531646][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.541836][ T23] #1: ffff8881d9697dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.552546][ T23] #2: ffff8881d5cdce80 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.560917][ T23] #3: ffff8881c9fdbd80 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.569544][ T23] #4: ffff8881d76e6790 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.579554][ T23] 1 lock held by khungtaskd/23: [ 188.584383][ T23] #0: ffffffff86cff360 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x269 [ 188.593705][ T23] 1 lock held by rsyslogd/1596: [ 188.598570][ T23] #0: ffff8881d987f9e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 [ 188.607155][ T23] 2 locks held by getty/1686: [ 188.611838][ T23] #0: ffff8881d67dd590 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.621062][ T23] #1: ffffc9000045d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.630627][ T23] 2 locks held by getty/1687: [ 188.635291][ T23] #0: ffff8881d9041190 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.644508][ T23] #1: ffffc9000047d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.654076][ T23] 2 locks held by getty/1688: [ 188.658756][ T23] #0: ffff8881d9047790 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.667977][ T23] #1: ffffc9000044d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.677566][ T23] 2 locks held by getty/1689: [ 188.682249][ T23] #0: ffff8881d903d590 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.691463][ T23] #1: ffffc900004752e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.701033][ T23] 2 locks held by getty/1690: [ 188.705711][ T23] #0: ffff8881d903e690 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.714937][ T23] #1: ffffc9000046d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.724532][ T23] 2 locks held by getty/1691: [ 188.729210][ T23] #0: ffff8881d903de10 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.738430][ T23] #1: ffffc900004712e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.747976][ T23] 2 locks held by getty/1692: [ 188.752667][ T23] #0: ffff8881d67de690 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 188.761882][ T23] #1: ffffc900004452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x223/0x1ae0 [ 188.771448][ T23] 5 locks held by kworker/0:2/2807: [ 188.776631][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.786808][ T23] #1: ffff8881c780fdd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.797503][ T23] #2: ffff8881d5d08a80 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.805849][ T23] #3: ffff8881d6601300 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.814472][ T23] #4: ffff8881d602ac10 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.824478][ T23] 5 locks held by kworker/0:3/2851: [ 188.829688][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.839873][ T23] #1: ffff8881d80b7dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.850606][ T23] #2: ffff8881d5cd9300 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.858957][ T23] #3: ffff8881d6000a80 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.867549][ T23] #4: ffff8881d6001b10 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.877568][ T23] 5 locks held by kworker/1:3/2862: [ 188.882774][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.893216][ T23] #1: ffff8881c19efdd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.903984][ T23] #2: ffff8881d5d0c600 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.912355][ T23] #3: ffff8881d814f080 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.920970][ T23] #4: ffff8881d814f890 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.930990][ T23] 5 locks held by kworker/1:5/2877: [ 188.936172][ T23] #0: ffff8881d91f48a8 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x827/0x1530 [ 188.946353][ T23] #1: ffff8881d7507dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85b/0x1530 [ 188.957066][ T23] #2: ffff8881d5ca5700 (&dev->mutex){....}, at: hub_event+0x17c/0x3640 [ 188.965437][ T23] #3: ffff8881c9f08200 (&dev->mutex){....}, at: usb_disconnect+0x91/0x8d0 [ 188.974081][ T23] #4: ffff8881d9035690 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 [ 188.984102][ T23] [ 188.986424][ T23] ============================================= [ 188.986424][ T23] [ 188.994867][ T23] NMI backtrace for cpu 0 [ 188.999226][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.3.0+ #0 [ 189.006169][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.016206][ T23] Call Trace: [ 189.019489][ T23] dump_stack+0xca/0x13e [ 189.023719][ T23] ? irq_force_complete_move.cold+0x1c/0x47 [ 189.029604][ T23] nmi_cpu_backtrace.cold+0x55/0x96 [ 189.034804][ T23] ? lapic_can_unplug_cpu.cold+0x44/0x44 [ 189.040478][ T23] nmi_trigger_cpumask_backtrace+0x1b0/0x1c7 [ 189.046465][ T23] watchdog+0x9a4/0xe50 [ 189.050603][ T23] ? reset_hung_task_detector+0x30/0x30 [ 189.056145][ T23] kthread+0x318/0x420 [ 189.060205][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 189.065574][ T23] ret_from_fork+0x24/0x30 [ 189.070015][ T23] Sending NMI from CPU 0 to CPUs 1: [ 189.075272][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0x28/0x2e0 [ 189.076214][ T23] Kernel panic - not syncing: hung_task: blocked tasks [ 189.090182][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.3.0+ #0 [ 189.097092][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.107136][ T23] Call Trace: [ 189.110426][ T23] dump_stack+0xca/0x13e [ 189.114648][ T23] panic+0x2a3/0x6da [ 189.118529][ T23] ? add_taint.cold+0x16/0x16 [ 189.123199][ T23] ? cpumask_next+0x1f/0x30 [ 189.127681][ T23] ? printk_safe_flush+0xd9/0x120 [ 189.132682][ T23] ? watchdog+0x9a4/0xe50 [ 189.136988][ T23] ? nmi_trigger_cpumask_backtrace+0x168/0x1c7 [ 189.143116][ T23] watchdog+0x9b5/0xe50 [ 189.147275][ T23] ? reset_hung_task_detector+0x30/0x30 [ 189.152799][ T23] kthread+0x318/0x420 [ 189.156845][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 189.162194][ T23] ret_from_fork+0x24/0x30 [ 189.167497][ T23] Kernel Offset: disabled [ 189.171828][ T23] Rebooting in 86400 seconds..