[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 24.307931] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.251454] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 28.597677] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 30.096696] random: sshd: uninitialized urandom read (32 bytes read, 127 bits of entropy available) [ 30.204328] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. 2018/06/27 22:34:07 parsed 1 programs 2018/06/27 22:34:09 executed programs: 0 [ 61.316683] IPVS: Creating netns size=2552 id=1 [ 61.595532] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.612197] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.700502] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.717021] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.815267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.833574] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.850029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.869522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.744720] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.787616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.190276] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 63.409182] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 63.509719] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 63.901053] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 64.139616] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 64.229841] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 64.330073] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 64.440530] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 64.530084] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 64.640605] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 64.730135] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 65.119109] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 65.209414] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 66.079931] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 2018/06/27 22:34:14 executed programs: 27 [ 66.629818] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 66.730135] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 66.820124] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 66.919265] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 67.040229] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 67.129098] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 67.659316] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 67.910031] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 68.028829] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 68.270395] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 68.369265] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 68.479266] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 68.580337] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 68.799546] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 69.040336] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 69.279738] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 69.519231] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 69.620200] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 69.860307] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 70.258983] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 70.529330] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 70.630500] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 70.839456] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 71.219965] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:19 executed programs: 70 [ 71.599445] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 71.690089] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 71.779748] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 71.879265] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 71.990313] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 72.099228] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 72.190364] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 72.449802] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 72.569790] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 72.830432] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 73.080303] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 73.169682] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 73.280545] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 73.369375] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 73.470228] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 73.709286] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 73.821428] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 73.919167] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 74.009421] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 74.101735] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 74.200357] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 74.459707] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 74.585351] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 74.691453] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 74.940002] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.029412] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.291738] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.400647] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.639895] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.740710] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 75.828761] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 76.049130] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 76.130265] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 76.249520] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 76.330659] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:24 executed programs: 116 [ 76.568753] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 76.959046] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 77.059315] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 77.490642] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 77.873327] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 77.988810] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 78.079058] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 78.340132] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 78.430289] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 78.520433] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 78.600420] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 78.709022] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 78.818631] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 78.910095] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 79.009415] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 79.260095] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 79.358972] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 79.449118] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 79.538709] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 79.939055] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 80.029486] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 80.409587] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 80.519209] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 80.641047] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 80.749929] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 81.338514] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 81.429193] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:29 executed programs: 158 [ 82.988883] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 83.099427] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 83.210702] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 83.468587] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 83.550606] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 83.828861] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 84.229368] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 84.309214] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 84.999848] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 85.088956] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 85.320591] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 85.559860] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 85.649378] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 85.900655] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 86.310036] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 86.418692] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 2018/06/27 22:34:34 executed programs: 198 [ 87.619411] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 87.839899] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 87.959430] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.050826] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.139057] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.230387] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.469636] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.580138] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 88.819270] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 89.069217] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 89.309260] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 89.840602] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 89.939554] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 90.049253] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 90.139128] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 90.508772] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 90.748843] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 90.839987] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 91.259069] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 91.358854] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 91.448924] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:39 executed programs: 239 [ 91.859181] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 91.958945] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 92.039042] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 92.148890] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 92.388997] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 92.469668] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 92.729219] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 92.829723] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 92.930676] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 93.030091] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 93.289454] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 93.369463] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 93.759402] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 93.879378] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 93.969087] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 94.489824] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 95.199302] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 95.449152] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 95.990111] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 96.080266] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 96.170258] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:44 executed programs: 280 [ 97.168776] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 97.420144] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 97.930708] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 98.019796] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 98.398802] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 98.478782] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 98.830283] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 98.919768] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 99.009811] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 99.699811] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 99.800139] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 100.190701] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 100.308946] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 100.818720] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 101.499002] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 2018/06/27 22:34:49 executed programs: 320 [ 101.870219] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 101.951165] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 102.051109] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 102.150718] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 102.409291] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 102.499267] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 103.029800] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 103.708768] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 103.798746] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 103.908534] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 103.978963] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 104.228884] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 104.319186] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 104.608879] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 104.900973] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 105.139553] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 105.209498] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 105.461883] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 105.879296] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 105.969559] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 106.079418] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 106.179113] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 106.259299] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 106.689206] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:54 executed programs: 362 [ 106.790008] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 106.909664] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 106.989057] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 107.258783] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 107.488718] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 107.880297] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 107.979285] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 108.089781] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 108.498652] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 108.920400] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 109.228745] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 109.309614] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 109.400438] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 109.769618] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 110.028869] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 110.419366] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 110.519109] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 110.739723] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 110.840123] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 110.941606] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 111.220244] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 111.329579] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 111.439497] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 111.529443] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 111.620029] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 111.740024] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:34:59 executed programs: 404 [ 111.989545] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 112.079335] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 112.529235] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 112.879741] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 112.969489] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 113.060053] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 113.318815] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 113.689312] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 113.800160] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 113.869281] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 113.969453] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 114.059089] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 114.529779] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 114.654522] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 114.760095] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 115.319030] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 115.410046] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 115.502289] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 115.739024] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 115.858714] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 115.959147] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 116.210588] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 116.291976] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 116.870490] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:35:05 executed programs: 447 [ 117.350422] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 117.451622] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 117.869982] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 117.959316] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 118.200613] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 118.299725] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 118.410014] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 118.508897] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 118.610378] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 118.849354] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 118.939501] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 119.029477] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 119.289202] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 119.389360] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 119.508689] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 120.049221] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 120.289229] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 120.390101] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 120.490797] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 120.720362] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 120.820386] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 120.943211] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 121.070000] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 121.328953] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 121.428836] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 121.508928] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 121.628590] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 122.008712] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 2018/06/27 22:35:10 executed programs: 490 [ 122.250445] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 122.360063] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 122.439649] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 122.839542] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 123.079256] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 123.179037] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 123.258923] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 123.348655] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 123.431449] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 123.519316] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 123.638940] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 123.728961] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 124.139634] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 124.390126] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 124.630580] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 124.741543] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 124.830399] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 124.940239] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 125.040315] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 125.161059] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 125.270155] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 125.380233] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 125.469744] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 125.571215] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 125.671240] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 126.128722] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 126.218948] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 126.598671] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 126.698781] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 126.778919] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 126.890115] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 127.100168] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 2018/06/27 22:35:15 executed programs: 535 [ 127.178965] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 127.418708] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 127.529485] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 127.619843] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 127.710589] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 127.819458] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 127.908968] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 127.989686] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 128.089225] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 128.488928] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 128.598836] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 128.839301] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 128.929317] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 129.579338] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 129.980711] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 130.069235] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 130.169213] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 130.269190] l2tp_core: tunl 4: sockfd_lookup(fd=8) returned -88 [ 130.359073] l2tp_core: tunl 4: sockfd_lookup(fd=9) returned -88 [ 130.501076] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 130.509339] IP: [] l2tp_session_free+0x11c/0x200 [ 130.515776] PGD 0 [ 130.518067] Oops: 0002 [#1] PREEMPT SMP KASAN [ 130.523019] Dumping ftrace buffer: [ 130.526529] (ftrace buffer empty) [ 130.530215] Modules linked in: [ 130.533523] CPU: 0 PID: 7658 Comm: syz-executor0 Not tainted 4.4.138-gcf21a9a #62 [ 130.541118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.550454] task: ffff8800ac25e000 task.stack: ffff8801d2420000 [ 130.556492] RIP: 0010:[] [] l2tp_session_free+0x11c/0x200 [ 130.565354] RSP: 0018:ffff8801d2427880 EFLAGS: 00010246 [ 130.570778] RAX: dffffc0000000000 RBX: ffff8800afbbaf00 RCX: 0000000000000000 [ 130.578023] RDX: 1ffff1003a138d20 RSI: ffffffff8359d061 RDI: ffff8801d09c6900 [ 130.585283] RBP: ffff8801d24278a0 R08: ffffffff8530cba0 R09: 0000000000000000 [ 130.592532] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d09c6780 [ 130.600392] R13: ffff8800afbbaf08 R14: 0000000000000000 R15: ffffffff82f1a2b0 [ 130.607750] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 130.615972] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 130.621841] CR2: 0000000000000080 CR3: 000000000440c000 CR4: 00000000001606f0 [ 130.629203] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 130.636458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 130.644506] Stack: [ 130.646678] ffff8801c7573b80 ffff8800afbbaf00 ffff8801c7573f50 ffff8801c7573e58 [ 130.654790] ffff8801d24278c8 ffffffff835a6b07 ffff8801c7573b80 ffffffff835a6a30 [ 130.662911] ffff8800ba1e3ba0 ffff8801d24278f0 ffffffff82f2f31c ffff8801c7573b80 [ 130.670949] Call Trace: [ 130.673526] [] pppol2tp_session_destruct+0xd7/0x110 [ 130.680287] [] ? pppol2tp_seq_start+0x4e0/0x4e0 [ 130.686596] [] sk_destruct+0x4c/0x4c0 [ 130.692022] [] __sk_free+0x4f/0x220 [ 130.697272] [] sk_free+0x30/0x40 [ 130.702262] [] pppol2tp_release+0x26a/0x310 [ 130.708212] [] sock_release+0x96/0x1c0 [ 130.713728] [] sock_close+0x16/0x20 [ 130.718980] [] __fput+0x235/0x6f0 [ 130.724061] [] ____fput+0x15/0x20 [ 130.729148] [] task_work_run+0x10f/0x190 [ 130.734836] [] do_exit+0x9e5/0x26b0 [ 130.740090] [] ? dput.part.26+0x587/0x760 [ 130.745864] [] ? __fput+0x401/0x6f0 [ 130.751119] [] ? release_task.part.17+0x1200/0x1200 [ 130.757769] [] ? recalc_sigpending+0x76/0xa0 [ 130.763828] [] do_group_exit+0x111/0x330 [ 130.769729] [] get_signal+0x4ec/0x14b0 [ 130.775243] [] do_signal+0x8b/0x1d30 [ 130.780584] [] ? mntput_no_expire+0xca/0x680 [ 130.786797] [] ? setup_sigcontext+0x780/0x780 [ 130.792924] [] ? sock_release+0x1c0/0x1c0 [ 130.798699] [] ? mntput_no_expire+0xf6/0x680 [ 130.805523] [] ? mnt_get_count+0x170/0x170 [ 130.811386] [] ? dput.part.26+0x16d/0x760 [ 130.817165] [] ? dput.part.26+0x2a/0x760 [ 130.822871] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 130.829000] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 130.835993] [] ? exit_to_usermode_loop+0xe4/0x160 [ 130.842491] [] exit_to_usermode_loop+0x11a/0x160 [ 130.848978] [] do_fast_syscall_32+0x620/0x8b0 [ 130.855359] [] sysenter_flags_fixed+0xd/0x17 [ 130.861393] Code: 49 8d bc 24 80 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d0 00 00 00 4d 8b b4 24 80 01 00 00 41 ff 8e 80 00 00 00 74 64 e8 15 44 db fd e8 10 44 db fd 4c [ 130.888641] RIP [] l2tp_session_free+0x11c/0x200 [ 130.895166] RSP [ 130.898781] CR2: 0000000000000080 [ 130.902211] ---[ end trace e91aa4989f1f6ae1 ]--- [ 130.906943] Kernel panic - not syncing: Fatal exception [ 130.912808] Dumping ftrace buffer: [ 130.916336] (ftrace buffer empty) [ 130.920039] Kernel Offset: disabled [ 130.924534] Rebooting in 86400 seconds..