[info] Using makefile-style concurrent boot in runlevel 2. [ 14.521443][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. 2020/03/24 14:20:15 parsed 1 programs 2020/03/24 14:20:16 executed programs: 0 syzkaller login: [ 723.248906][ T1822] cgroup: Unknown subsys name 'perf_event' [ 723.250856][ T1821] cgroup: Unknown subsys name 'perf_event' [ 723.255403][ T1822] cgroup: Unknown subsys name 'net_cls' [ 723.261898][ T1825] cgroup: Unknown subsys name 'perf_event' [ 723.273089][ T1821] cgroup: Unknown subsys name 'net_cls' [ 723.273794][ T1826] cgroup: Unknown subsys name 'perf_event' [ 723.281224][ T1825] cgroup: Unknown subsys name 'net_cls' [ 723.289344][ T1828] cgroup: Unknown subsys name 'perf_event' [ 723.297487][ T1830] cgroup: Unknown subsys name 'perf_event' [ 723.303854][ T1826] cgroup: Unknown subsys name 'net_cls' [ 723.311765][ T1828] cgroup: Unknown subsys name 'net_cls' [ 723.318621][ T1830] cgroup: Unknown subsys name 'net_cls' [ 732.598441][ T95] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 732.698806][ T95] usb 4-1: Using ep0 maxpacket: 8 [ 732.768332][ T4464] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 732.808109][ T4501] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 732.818874][ T95] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 732.830161][ T95] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 732.839251][ T95] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 732.848315][ T4513] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 732.878460][ T4464] usb 5-1: Using ep0 maxpacket: 8 [ 732.888244][ T4522] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 732.899361][ T95] hub 4-1:118.0: bad descriptor, ignoring hub [ 732.905783][ T95] hub: probe of 4-1:118.0 failed with error -5 [ 732.913814][ T4501] usb 6-1: Using ep0 maxpacket: 8 [ 732.919314][ T4530] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 732.929437][ T95] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 732.938687][ T4513] usb 1-1: Using ep0 maxpacket: 8 [ 732.978322][ T4522] usb 2-1: Using ep0 maxpacket: 8 [ 732.998286][ T4464] usb 5-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.009631][ T4464] usb 5-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 733.018917][ T4464] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.027186][ T4530] usb 3-1: Using ep0 maxpacket: 8 [ 733.058245][ T4501] usb 6-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.069573][ T4501] usb 6-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 733.078702][ T4501] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.086735][ T4513] usb 1-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.097840][ T4513] usb 1-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 733.106925][ T4513] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.115842][ T4464] hub 5-1:118.0: bad descriptor, ignoring hub [ 733.122060][ T4464] hub: probe of 5-1:118.0 failed with error -5 [ 733.148576][ T4522] usb 2-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.159765][ T4522] usb 2-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 733.168951][ T4522] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.177500][ T4501] hub 6-1:118.0: bad descriptor, ignoring hub [ 733.184443][ T4513] hub 1-1:118.0: bad descriptor, ignoring hub [ 733.190805][ T4530] usb 3-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.201926][ T4530] usb 3-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 733.210991][ T4530] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.219504][ T4501] hub: probe of 6-1:118.0 failed with error -5 [ 733.226116][ T4464] cdc_wdm 5-1:118.0: cdc-wdm1: USB WDM device [ 733.233368][ T4513] hub: probe of 1-1:118.0 failed with error -5 [ 733.240491][ T4501] cdc_wdm 6-1:118.0: cdc-wdm2: USB WDM device [ 733.248807][ T4513] cdc_wdm 1-1:118.0: cdc-wdm3: USB WDM device [ 733.288775][ T4522] hub 2-1:118.0: bad descriptor, ignoring hub [ 733.295086][ T4522] hub: probe of 2-1:118.0 failed with error -5 [ 733.302421][ T4530] hub 3-1:118.0: bad descriptor, ignoring hub [ 733.308929][ T4530] hub: probe of 3-1:118.0 failed with error -5 [ 733.409216][ T4522] cdc_wdm 2-1:118.0: cdc-wdm4: USB WDM device [ 733.416721][ T4530] cdc_wdm 3-1:118.0: cdc-wdm5: USB WDM device [ 733.849478][ T4530] usb 4-1: USB disconnect, device number 2 [ 733.868368][ T4432] cdc_wdm 4-1:118.0: Error in flush path: -71 [ 733.868395][ T4491] cdc_wdm 4-1:118.0: Tx URB error: -19 [ 733.880317][ T4551] cdc_wdm 4-1:118.0: Tx URB error: -19 [ 733.886135][ T4516] cdc_wdm 4-1:118.0: Tx URB error: -19 [ 733.891743][ T4504] cdc_wdm 4-1:118.0: Tx URB error: -19 [ 733.897334][ T4534] cdc_wdm 4-1:118.0: Tx URB error: -19 2020/03/24 14:20:28 executed programs: 6 [ 734.678120][ T4530] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 734.768255][ T4530] usb 4-1: Using ep0 maxpacket: 8 [ 734.888263][ T4530] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 734.899597][ T4530] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 734.908783][ T4530] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 734.959223][ T4530] hub 4-1:118.0: bad descriptor, ignoring hub [ 734.965534][ T4530] hub: probe of 4-1:118.0 failed with error -5 [ 734.974086][ T4530] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 735.919664][ T4565] usb 4-1: USB disconnect, device number 3 [ 736.708107][ T4565] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 736.798173][ T4565] usb 4-1: Using ep0 maxpacket: 8 [ 736.918286][ T4565] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 736.929566][ T4565] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 736.938634][ T4565] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 736.978921][ T4565] hub 4-1:118.0: bad descriptor, ignoring hub [ 736.985206][ T4565] hub: probe of 4-1:118.0 failed with error -5 [ 736.992641][ T4565] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 737.939820][ T4565] usb 4-1: USB disconnect, device number 4 [ 738.728148][ T4565] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 738.828203][ T4565] usb 4-1: Using ep0 maxpacket: 8 [ 738.948196][ T4565] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 738.959482][ T4565] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 738.968545][ T4565] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 739.018724][ T4565] hub 4-1:118.0: bad descriptor, ignoring hub [ 739.025039][ T4565] hub: probe of 4-1:118.0 failed with error -5 [ 739.032362][ T4565] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 739.979396][ T4513] usb 4-1: USB disconnect, device number 5 2020/03/24 14:20:34 executed programs: 19 [ 740.768117][ T4513] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 740.858180][ T4513] usb 4-1: Using ep0 maxpacket: 8 [ 740.978204][ T4513] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 740.989506][ T4513] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 740.998585][ T4513] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 741.048903][ T4513] hub 4-1:118.0: bad descriptor, ignoring hub [ 741.055866][ T4513] hub: probe of 4-1:118.0 failed with error -5 [ 741.063396][ T4513] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 742.009084][ T4464] usb 4-1: USB disconnect, device number 6 [ 742.798140][ T4565] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 742.888211][ T4565] usb 4-1: Using ep0 maxpacket: 8 [ 743.008272][ T4565] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 743.019424][ T4565] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 743.028501][ T4565] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 743.068857][ T4565] hub 4-1:118.0: bad descriptor, ignoring hub [ 743.075110][ T4565] hub: probe of 4-1:118.0 failed with error -5 [ 743.082503][ T4565] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 744.028813][ T4565] usb 4-1: USB disconnect, device number 7 [ 744.838139][ T4501] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 744.928246][ T4501] usb 4-1: Using ep0 maxpacket: 8 [ 745.048222][ T4501] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 745.059394][ T4501] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 745.068469][ T4501] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 745.118931][ T4501] hub 4-1:118.0: bad descriptor, ignoring hub [ 745.125439][ T4501] hub: probe of 4-1:118.0 failed with error -5 [ 745.132693][ T4501] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 746.079389][ T2529] usb 4-1: USB disconnect, device number 8 2020/03/24 14:20:40 executed programs: 32 [ 746.868111][ T4501] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 746.958283][ T4501] usb 4-1: Using ep0 maxpacket: 8 [ 747.078319][ T4501] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 747.089646][ T4501] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 747.098713][ T4501] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 747.148810][ T4501] hub 4-1:118.0: bad descriptor, ignoring hub [ 747.155111][ T4501] hub: probe of 4-1:118.0 failed with error -5 [ 747.162328][ T4501] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 748.119257][ T4464] usb 4-1: USB disconnect, device number 9 [ 748.908109][ T4464] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 748.998190][ T4464] usb 4-1: Using ep0 maxpacket: 8 [ 749.118702][ T4464] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 749.129825][ T4464] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 749.139024][ T4464] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 749.188934][ T4464] hub 4-1:118.0: bad descriptor, ignoring hub [ 749.195227][ T4464] hub: probe of 4-1:118.0 failed with error -5 [ 749.202464][ T4464] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 750.149150][ T2529] usb 4-1: USB disconnect, device number 10 [ 750.948131][ T4501] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 751.038224][ T4501] usb 4-1: Using ep0 maxpacket: 8 [ 751.158279][ T4501] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 751.169441][ T4501] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 751.178496][ T4501] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 751.229292][ T4501] hub 4-1:118.0: bad descriptor, ignoring hub [ 751.235669][ T4501] hub: probe of 4-1:118.0 failed with error -5 [ 751.242980][ T4501] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 752.189819][ T17] usb 4-1: USB disconnect, device number 11 2020/03/24 14:20:46 executed programs: 45 [ 752.988130][ T17] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 753.078179][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 753.198211][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 753.209355][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 753.218417][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 753.258905][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 753.265251][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 753.272719][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 754.219099][ T4565] usb 4-1: USB disconnect, device number 12 [ 755.018115][ T4565] usb 4-1: new high-speed USB device number 13 using dummy_hcd [ 755.108222][ T4565] usb 4-1: Using ep0 maxpacket: 8 [ 755.228246][ T4565] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 755.239397][ T4565] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 755.248486][ T4565] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 755.288926][ T4565] hub 4-1:118.0: bad descriptor, ignoring hub [ 755.295176][ T4565] hub: probe of 4-1:118.0 failed with error -5 [ 755.302534][ T4565] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 756.248925][ T4565] usb 4-1: USB disconnect, device number 13 [ 757.038132][ T4755] usb 4-1: new high-speed USB device number 14 using dummy_hcd [ 757.128179][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 757.248289][ T4755] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 757.259445][ T4755] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 757.268557][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 757.308702][ T4755] hub 4-1:118.0: bad descriptor, ignoring hub [ 757.314890][ T4755] hub: probe of 4-1:118.0 failed with error -5 [ 757.322456][ T4755] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 758.269243][ T4522] usb 4-1: USB disconnect, device number 14 2020/03/24 14:20:52 executed programs: 58 [ 759.058119][ T4522] usb 4-1: new high-speed USB device number 15 using dummy_hcd [ 759.148410][ T4522] usb 4-1: Using ep0 maxpacket: 8 [ 759.268751][ T4522] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 759.279893][ T4522] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 759.288962][ T4522] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 759.348969][ T4522] hub 4-1:118.0: bad descriptor, ignoring hub [ 759.355292][ T4522] hub: probe of 4-1:118.0 failed with error -5 [ 759.362485][ T4522] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 760.309599][ T95] usb 4-1: USB disconnect, device number 15 [ 761.098104][ T95] usb 4-1: new high-speed USB device number 16 using dummy_hcd [ 761.188260][ T95] usb 4-1: Using ep0 maxpacket: 8 [ 761.308820][ T95] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 761.319926][ T95] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 761.328980][ T95] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 761.378841][ T95] hub 4-1:118.0: bad descriptor, ignoring hub [ 761.385269][ T95] hub: probe of 4-1:118.0 failed with error -5 [ 761.392478][ T95] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 762.339118][ T2529] usb 4-1: USB disconnect, device number 16 [ 763.128165][ T17] usb 4-1: new high-speed USB device number 17 using dummy_hcd [ 763.218187][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 763.338241][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 763.349389][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 763.358549][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 763.398805][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 763.404999][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 763.412562][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 764.358932][ T17] usb 4-1: USB disconnect, device number 17 2020/03/24 14:20:58 executed programs: 71 [ 765.148118][ T17] usb 4-1: new high-speed USB device number 18 using dummy_hcd [ 765.238221][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 765.358228][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 765.369490][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 765.378554][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 765.418976][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 765.425284][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 765.432599][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 766.379408][ T95] usb 4-1: USB disconnect, device number 18 [ 767.168120][ T2529] usb 4-1: new high-speed USB device number 19 using dummy_hcd [ 767.258245][ T2529] usb 4-1: Using ep0 maxpacket: 8 [ 767.378222][ T2529] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 767.389676][ T2529] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 767.398841][ T2529] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 767.459247][ T2529] hub 4-1:118.0: bad descriptor, ignoring hub [ 767.465535][ T2529] hub: probe of 4-1:118.0 failed with error -5 [ 767.473981][ T2529] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 768.418913][ T4574] usb 4-1: USB disconnect, device number 19 [ 769.208107][ T4464] usb 4-1: new high-speed USB device number 20 using dummy_hcd [ 769.298191][ T4464] usb 4-1: Using ep0 maxpacket: 8 [ 769.418623][ T4464] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 769.429838][ T4464] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 769.438906][ T4464] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 769.489021][ T4464] hub 4-1:118.0: bad descriptor, ignoring hub [ 769.495299][ T4464] hub: probe of 4-1:118.0 failed with error -5 [ 769.503690][ T4464] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 770.449394][ T4574] usb 4-1: USB disconnect, device number 20 2020/03/24 14:21:04 executed programs: 84 [ 771.238112][ T4574] usb 4-1: new high-speed USB device number 21 using dummy_hcd [ 771.328175][ T4574] usb 4-1: Using ep0 maxpacket: 8 [ 771.448237][ T4574] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 771.459349][ T4574] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 771.468414][ T4574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 771.518846][ T4574] hub 4-1:118.0: bad descriptor, ignoring hub [ 771.525043][ T4574] hub: probe of 4-1:118.0 failed with error -5 [ 771.532362][ T4574] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 772.479177][ T4464] usb 4-1: USB disconnect, device number 21 [ 773.268161][ T17] usb 4-1: new high-speed USB device number 22 using dummy_hcd [ 773.358221][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 773.478194][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 773.489391][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 773.498495][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 773.539190][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 773.545467][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 773.553827][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 774.499236][ T17] usb 4-1: USB disconnect, device number 22 [ 775.298169][ T17] usb 4-1: new high-speed USB device number 23 using dummy_hcd [ 775.388225][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 775.508218][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 775.519420][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 775.528481][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 775.578762][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 775.585046][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 775.593262][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 776.539407][ T17] usb 4-1: USB disconnect, device number 23 2020/03/24 14:21:10 executed programs: 97 [ 777.328115][ T17] usb 4-1: new high-speed USB device number 24 using dummy_hcd [ 777.418169][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 777.538250][ T17] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 777.549452][ T17] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 777.558544][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 777.608859][ T17] hub 4-1:118.0: bad descriptor, ignoring hub [ 777.615179][ T17] hub: probe of 4-1:118.0 failed with error -5 [ 777.622652][ T17] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 778.569346][ T95] usb 4-1: USB disconnect, device number 24 [ 779.368115][ T95] usb 4-1: new high-speed USB device number 25 using dummy_hcd [ 779.458269][ T95] usb 4-1: Using ep0 maxpacket: 8 [ 779.578626][ T95] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 779.589907][ T95] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 779.598993][ T95] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 779.648952][ T95] hub 4-1:118.0: bad descriptor, ignoring hub [ 779.655237][ T95] hub: probe of 4-1:118.0 failed with error -5 [ 779.662443][ T95] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 780.610150][ T4574] usb 4-1: USB disconnect, device number 25 [ 781.398114][ T4530] usb 4-1: new high-speed USB device number 26 using dummy_hcd [ 781.488232][ T4530] usb 4-1: Using ep0 maxpacket: 8 [ 781.608626][ T4530] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 781.619789][ T4530] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 781.628859][ T4530] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 781.668751][ T4530] hub 4-1:118.0: bad descriptor, ignoring hub [ 781.675072][ T4530] hub: probe of 4-1:118.0 failed with error -5 [ 781.682287][ T4530] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 782.628892][ T17] usb 4-1: USB disconnect, device number 26 2020/03/24 14:21:16 executed programs: 110 [ 783.428594][ T4530] usb 4-1: new high-speed USB device number 27 using dummy_hcd [ 783.518262][ T4530] usb 4-1: Using ep0 maxpacket: 8 [ 783.658284][ T4530] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 783.669610][ T4530] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 783.678756][ T4530] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 783.738985][ T4530] hub 4-1:118.0: bad descriptor, ignoring hub [ 783.745303][ T4530] hub: probe of 4-1:118.0 failed with error -5 [ 783.752638][ T4530] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 784.699576][ T2529] usb 4-1: USB disconnect, device number 27 [ 785.488117][ T4522] usb 4-1: new high-speed USB device number 28 using dummy_hcd [ 785.578199][ T4522] usb 4-1: Using ep0 maxpacket: 8 [ 785.698659][ T4522] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 785.709822][ T4522] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 785.718880][ T4522] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 785.768990][ T4522] hub 4-1:118.0: bad descriptor, ignoring hub [ 785.775238][ T4522] hub: probe of 4-1:118.0 failed with error -5 [ 785.782516][ T4522] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 786.729563][ T4464] usb 4-1: USB disconnect, device number 28 [ 787.518114][ T4574] usb 4-1: new high-speed USB device number 29 using dummy_hcd [ 787.608181][ T4574] usb 4-1: Using ep0 maxpacket: 8 [ 787.728192][ T4574] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 787.740016][ T4574] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 787.749079][ T4574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 787.798844][ T4574] hub 4-1:118.0: bad descriptor, ignoring hub [ 787.805146][ T4574] hub: probe of 4-1:118.0 failed with error -5 [ 787.812428][ T4574] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 788.759699][ T4574] usb 4-1: USB disconnect, device number 29 2020/03/24 14:21:22 executed programs: 123 [ 789.558186][ T95] usb 4-1: new high-speed USB device number 30 using dummy_hcd [ 789.648223][ T95] usb 4-1: Using ep0 maxpacket: 8 [ 789.768268][ T95] usb 4-1: config 118 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 789.779582][ T95] usb 4-1: New USB device found, idVendor=0400, idProduct=4200, bcdDevice=42.ef [ 789.788669][ T95] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 789.838590][ T95] hub 4-1:118.0: bad descriptor, ignoring hub [ 789.844897][ T95] hub: probe of 4-1:118.0 failed with error -5 [ 789.852695][ T95] cdc_wdm 4-1:118.0: cdc-wdm0: USB WDM device [ 789.948383][ T4530] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 790.038280][ T4530] usb 1-1: Using ep0 maxpacket: 8 2020/03/24 14:21:29 executed programs: 133 2020/03/24 14:22:22 executed programs: 139 2020/03/24 14:22:22 result: hanged=false err=executor 3: failed to write control pipe: write |1: broken pipe [ 849.302010][ T5071] cgroup: Unknown subsys name 'perf_event' [ 849.308118][ T5071] cgroup: Unknown subsys name 'net_cls' 2020/03/24 14:22:23 result: hanged=false err=executor 0: failed to write control pipe: write |1: broken pipe [ 849.675031][ T5158] cgroup: Unknown subsys name 'perf_event' [ 849.682664][ T5158] cgroup: Unknown subsys name 'net_cls' [ 852.470269][ T5902] udc-core: couldn't find an available UDC or it's busy [ 852.477584][ T5902] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 852.842687][ T5993] udc-core: couldn't find an available UDC or it's busy [ 852.849895][ T5993] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 2020/03/24 14:22:28 executed programs: 147 2020/03/24 14:23:26 executed programs: 153 2020/03/24 14:23:26 result: hanged=false err=executor 3: failed to write control pipe: write |1: broken pipe [ 944.068212][ T23] INFO: task syz-executor.3:5042 blocked for more than 143 seconds. [ 944.076501][ T23] Not tainted 5.6.0-rc5-syzkaller #0 [ 944.082346][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 944.091149][ T23] syz-executor.3 D28720 5042 1821 0x80004006 [ 944.097485][ T23] Call Trace: [ 944.100887][ T23] ? __schedule+0x892/0x1d80 [ 944.105487][ T23] ? __sched_text_start+0x8/0x8 [ 944.110457][ T23] ? prepare_to_wait_event+0x129/0x650 [ 944.115956][ T23] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 944.121790][ T23] schedule+0xcd/0x2b0 [ 944.125948][ T23] wdm_flush+0x2ea/0x3c0 [ 944.130217][ T23] ? wdm_poll+0x280/0x280 [ 944.134618][ T23] ? __kasan_slab_free+0x12e/0x160 [ 944.139757][ T23] ? finish_wait+0x260/0x260 [ 944.144387][ T23] ? task_work_add+0x97/0x120 [ 944.149089][ T23] ? wdm_poll+0x280/0x280 [ 944.153469][ T23] filp_close+0xb4/0x160 [ 944.157725][ T23] put_files_struct+0x1d8/0x2e0 [ 944.162686][ T23] exit_files+0x7e/0xa0 [ 944.166922][ T23] do_exit+0xb36/0x2c80 [ 944.171194][ T23] ? find_held_lock+0x2d/0x110 [ 944.175983][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 944.181480][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 944.186387][ T23] do_group_exit+0x125/0x340 [ 944.191074][ T23] get_signal+0x480/0x2470 [ 944.195542][ T23] ? futex_exit_release+0x60/0x60 [ 944.200637][ T23] do_signal+0x88/0x1490 [ 944.204921][ T23] ? __might_fault+0x190/0x1d0 [ 944.209804][ T23] ? setup_sigcontext+0x820/0x820 [ 944.214911][ T23] ? _copy_to_user+0x107/0x150 [ 944.219705][ T23] ? __x64_sys_futex+0x380/0x4f0 [ 944.224657][ T23] ? do_futex+0x1b90/0x1b90 [ 944.229232][ T23] ? __x64_sys_clock_gettime+0x165/0x240 [ 944.234877][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 944.240203][ T23] do_syscall_64+0x4e0/0x5a0 [ 944.244793][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.250721][ T23] RIP: 0033:0x45c849 [ 944.254606][ T23] Code: 0f 85 19 01 00 00 48 8b 84 24 d8 00 00 00 48 89 48 18 48 8d 7c 24 68 0f 57 c0 48 8d 7f e0 48 89 6c 24 f0 48 8d 6c 24 f0 e8 95 <84> ff ff 48 8b 6d 00 48 8d 05 29 46 18 00 48 89 04 24 48 8b 4c 24 [ 944.274275][ T23] RSP: 002b:00007fcfa678dcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 944.282744][ T23] RAX: fffffffffffffe00 RBX: 000000000076c048 RCX: 000000000045c849 [ 944.290744][ T23] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000076c048 [ 944.298870][ T23] RBP: 000000000076c040 R08: 0000000000000000 R09: 0000000000000000 [ 944.306840][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c04c [ 944.314866][ T23] R13: 00007ffe78d9329f R14: 00007fcfa678e9c0 R15: 000000000076c04c [ 944.322890][ T23] INFO: task syz-executor.0:5044 blocked for more than 143 seconds. [ 944.330895][ T23] Not tainted 5.6.0-rc5-syzkaller #0 [ 944.336801][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 944.345529][ T23] syz-executor.0 D29128 5044 1826 0x80004006 [ 944.351902][ T23] Call Trace: [ 944.355193][ T23] ? __schedule+0x892/0x1d80 [ 944.359807][ T23] ? __sched_text_start+0x8/0x8 [ 944.364655][ T23] ? prepare_to_wait_event+0x129/0x650 [ 944.370156][ T23] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 944.375959][ T23] schedule+0xcd/0x2b0 [ 944.380053][ T23] wdm_flush+0x2ea/0x3c0 [ 944.384301][ T23] ? wdm_poll+0x280/0x280 [ 944.388655][ T23] ? __kasan_slab_free+0x12e/0x160 [ 944.393762][ T23] ? finish_wait+0x260/0x260 [ 944.398374][ T23] ? task_work_add+0x97/0x120 [ 944.403043][ T23] ? wdm_poll+0x280/0x280 [ 944.407348][ T23] filp_close+0xb4/0x160 [ 944.411630][ T23] put_files_struct+0x1d8/0x2e0 [ 944.416479][ T23] exit_files+0x7e/0xa0 [ 944.420664][ T23] do_exit+0xb36/0x2c80 [ 944.424810][ T23] ? find_held_lock+0x2d/0x110 [ 944.429596][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 944.434974][ T23] ? lock_downgrade+0x6e0/0x6e0 [ 944.439871][ T23] do_group_exit+0x125/0x340 [ 944.444467][ T23] get_signal+0x480/0x2470 [ 944.448919][ T23] ? futex_exit_release+0x60/0x60 [ 944.453938][ T23] do_signal+0x88/0x1490 [ 944.458212][ T23] ? __might_fault+0x190/0x1d0 [ 944.462971][ T23] ? setup_sigcontext+0x820/0x820 [ 944.468195][ T23] ? _copy_to_user+0x107/0x150 [ 944.472977][ T23] ? __x64_sys_futex+0x380/0x4f0 [ 944.477894][ T23] ? do_futex+0x1b90/0x1b90 [ 944.482435][ T23] ? __x64_sys_clock_gettime+0x165/0x240 [ 944.488127][ T23] exit_to_usermode_loop+0x1a2/0x200 [ 944.493403][ T23] do_syscall_64+0x4e0/0x5a0 [ 944.497974][ T23] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.503944][ T23] RIP: 0033:0x45c849 [ 944.507831][ T23] Code: 0f 85 19 01 00 00 48 8b 84 24 d8 00 00 00 48 89 48 18 48 8d 7c 24 68 0f 57 c0 48 8d 7f e0 48 89 6c 24 f0 48 8d 6c 24 f0 e8 95 <84> ff ff 48 8b 6d 00 48 8d 05 29 46 18 00 48 89 04 24 48 8b 4c 24 [ 944.527520][ T23] RSP: 002b:00007f86c6a1acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 944.535978][ T23] RAX: fffffffffffffe00 RBX: 000000000076c0e8 RCX: 000000000045c849 [ 944.544003][ T23] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000076c0e8 [ 944.552110][ T23] RBP: 000000000076c0e0 R08: 0000000000000000 R09: 0000000000000000 [ 944.560123][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076c0ec [ 944.571460][ T23] R13: 00007fff59d4276f R14: 00007f86c6a1b9c0 R15: 000000000076c0ec [ 944.579669][ T23] [ 944.579669][ T23] Showing all locks held in the system: [ 944.587481][ T23] 1 lock held by khungtaskd/23: [ 944.592470][ T23] #0: ffffffff87109060 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x264 [ 944.601847][ T23] 1 lock held by rsyslogd/1677: [ 944.606679][ T23] #0: ffff8881d09f6fe0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 [ 944.615322][ T23] 2 locks held by getty/1767: [ 944.620016][ T23] #0: ffff8881cee28090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.629497][ T23] #1: ffffc9000083f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.639076][ T23] 2 locks held by getty/1768: [ 944.643737][ T23] #0: ffff8881cee2e090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.653036][ T23] #1: ffffc900008472e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.662629][ T23] 2 locks held by getty/1769: [ 944.667280][ T23] #0: ffff8881ce524090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.676552][ T23] #1: ffffc900008632e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.686163][ T23] 2 locks held by getty/1770: [ 944.690878][ T23] #0: ffff8881ce020090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.700145][ T23] #1: ffffc9000086f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.709774][ T23] 2 locks held by getty/1771: [ 944.714436][ T23] #0: ffff8881ce525090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.723674][ T23] #1: ffffc9000086b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.733300][ T23] 2 locks held by getty/1772: [ 944.737953][ T23] #0: ffff8881ce523090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.747186][ T23] #1: ffffc9000085f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.756770][ T23] 2 locks held by getty/1773: [ 944.761455][ T23] #0: ffff8881ce92e090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 944.770717][ T23] #1: ffffc900008372e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 [ 944.780297][ T23] [ 944.782761][ T23] ============================================= [ 944.782761][ T23] [ 944.791334][ T23] NMI backtrace for cpu 1 [ 944.795699][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.6.0-rc5-syzkaller #0 [ 944.803738][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.813772][ T23] Call Trace: [ 944.817045][ T23] dump_stack+0xef/0x16e [ 944.821357][ T23] ? x86_vector_activate.cold+0x80/0xdd [ 944.826893][ T23] nmi_cpu_backtrace.cold+0x70/0xb1 [ 944.832069][ T23] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 944.837677][ T23] nmi_trigger_cpumask_backtrace+0x1db/0x207 [ 944.843727][ T23] watchdog+0xa99/0xfd0 [ 944.847861][ T23] ? reset_hung_task_detector+0x30/0x30 [ 944.853418][ T23] kthread+0x318/0x420 [ 944.857475][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 944.862826][ T23] ret_from_fork+0x24/0x30 [ 944.867291][ T23] Sending NMI from CPU 1 to CPUs 0: [ 944.872572][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0x28/0x300 [ 944.873512][ T23] Kernel panic - not syncing: hung_task: blocked tasks [ 944.887562][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.6.0-rc5-syzkaller #0 [ 944.895599][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.907368][ T23] Call Trace: [ 944.910664][ T23] dump_stack+0xef/0x16e [ 944.914883][ T23] panic+0x2aa/0x6e1 [ 944.918772][ T23] ? add_taint.cold+0x16/0x16 [ 944.923422][ T23] ? cpumask_next+0x3c/0x40 [ 944.927970][ T23] ? printk_safe_flush+0xd9/0x120 [ 944.932972][ T23] ? watchdog+0xa99/0xfd0 [ 944.937291][ T23] ? nmi_trigger_cpumask_backtrace+0x1b3/0x207 [ 944.943419][ T23] watchdog+0xaaa/0xfd0 [ 944.947551][ T23] ? reset_hung_task_detector+0x30/0x30 [ 944.953072][ T23] kthread+0x318/0x420 [ 944.957115][ T23] ? kthread_create_on_node+0xf0/0xf0 [ 944.962463][ T23] ret_from_fork+0x24/0x30 [ 944.967515][ T23] Kernel Offset: disabled [ 944.971834][ T23] Rebooting in 86400 seconds..