[....] Starting enhanced syslogd: rsyslogd[ 13.447858] audit: type=1400 audit(1516017926.022:5): avc: denied { syslog } for pid=3497 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.453961] audit: type=1400 audit(1516017931.028:6): avc: denied { map } for pid=3639 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. [ 24.871795] audit: type=1400 audit(1516017937.446:7): avc: denied { map } for pid=3654 comm="syzkaller913903" path="/root/syzkaller913903421" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 26.775765] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program [ 28.913082] syzkaller913903 uses obsolete (PF_INET,SOCK_PACKET) [ 28.916301] device lo entered promiscuous mode [ 28.929186] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 28.935983] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.949405] device lo left promiscuous mode [ 28.950603] device lo entered promiscuous mode [ 28.960129] device lo left promiscuous mode [ 28.965947] device lo entered promiscuous mode [ 28.975948] device lo left promiscuous mode [ 28.980063] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 28.984169] device lo left promiscuous mode [ 28.994763] device lo entered promiscuous mode [ 29.004877] device lo left promiscuous mode [ 29.006232] device lo entered promiscuous mode [ 29.008863] device lo left promiscuous mode [ 29.012422] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 29.028136] device lo left promiscuous mode [ 29.035401] device lo entered promiscuous mode [ 29.043135] device lo left promiscuous mode [ 29.045923] device lo entered promiscuous mode [ 29.058328] device lo left promiscuous mode [ 29.063863] device lo entered promiscuous mode [ 29.072977] device lo left promiscuous mode [ 29.074433] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 29.085831] device lo left promiscuous mode [ 29.086940] device lo entered promiscuous mode [ 29.094519] device lo left promiscuous mode [ 29.102455] device lo entered promiscuous mode [ 29.108511] device lo left promiscuous mode [ 29.113096] device lo entered promiscuous mode [ 29.116109] device lo left promiscuous mode [ 29.122730] device lo entered promiscuous mode [ 29.132962] device lo left promiscuous mode [ 29.134175] device lo entered promiscuous mode [ 29.142256] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 29.150131] device lo entered promiscuous mode [ 29.161115] device lo left promiscuous mode [ 29.162402] device lo entered promiscuous mode [ 29.170103] device lo left promiscuous mode [ 29.176553] device lo entered promiscuous mode [ 29.183810] device lo left promiscuous mode [ 29.188673] device lo entered promiscuous mode [ 29.201965] device lo left promiscuous mode [ 29.205526] device lo entered promiscuous mode [ 29.212243] device lo left promiscuous mode [ 29.221685] device lo entered promiscuous mode executing program executing program [ 29.235984] device lo left promiscuous mode [ 29.239580] device lo entered promiscuous mode [ 29.249516] device lo left promiscuous mode [ 29.253333] device lo entered promiscuous mode [ 29.263316] device lo left promiscuous mode [ 29.265235] device lo entered promiscuous mode [ 29.272260] device lo left promiscuous mode [ 29.274848] device lo entered promiscuous mode [ 29.281205] device lo left promiscuous mode [ 29.282291] device lo entered promiscuous mode [ 29.290144] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 29.298958] device lo entered promiscuous mode [ 29.308919] device lo left promiscuous mode [ 29.318100] device lo entered promiscuous mode [ 29.326432] device lo left promiscuous mode [ 29.332187] device lo entered promiscuous mode [ 29.340844] device lo left promiscuous mode [ 29.349314] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 29.356827] device lo left promiscuous mode [ 29.363076] device lo entered promiscuous mode [ 29.370601] device lo left promiscuous mode [ 29.378979] device lo entered promiscuous mode [ 29.386890] device lo left promiscuous mode [ 29.392826] device lo entered promiscuous mode [ 29.400962] device lo left promiscuous mode executing program executing program executing program executing program [ 29.410209] device lo entered promiscuous mode [ 29.417565] device lo left promiscuous mode [ 29.423308] device lo entered promiscuous mode [ 29.431144] device lo left promiscuous mode [ 29.437454] device lo entered promiscuous mode [ 29.446918] device lo left promiscuous mode [ 29.452447] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 29.463721] device lo left promiscuous mode [ 29.469784] device lo entered promiscuous mode [ 29.477861] device lo left promiscuous mode [ 29.485678] device lo entered promiscuous mode [ 29.493559] device lo left promiscuous mode [ 29.499590] device lo entered promiscuous mode executing program executing program executing program executing program [ 29.512398] device lo left promiscuous mode [ 29.518771] device lo entered promiscuous mode [ 29.528582] device lo left promiscuous mode [ 29.534715] device lo entered promiscuous mode [ 29.542466] device lo left promiscuous mode [ 29.551084] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 29.561260] device lo left promiscuous mode [ 29.567294] device lo entered promiscuous mode [ 29.574298] device lo left promiscuous mode [ 29.580569] device lo entered promiscuous mode [ 29.593193] device lo left promiscuous mode [ 29.601316] device lo entered promiscuous mode [ 29.609297] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 29.618035] device lo entered promiscuous mode [ 29.625748] device lo left promiscuous mode [ 29.636195] device lo entered promiscuous mode [ 29.643750] device lo left promiscuous mode [ 29.649639] device lo entered promiscuous mode [ 29.660785] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 29.666594] device lo entered promiscuous mode [ 29.674395] device lo left promiscuous mode [ 29.680543] device lo entered promiscuous mode [ 29.689688] device lo left promiscuous mode [ 29.698338] device lo entered promiscuous mode [ 29.712266] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 29.717779] device lo entered promiscuous mode [ 29.726183] device lo left promiscuous mode [ 29.732588] device lo entered promiscuous mode [ 29.742134] device lo left promiscuous mode [ 29.752569] device lo entered promiscuous mode [ 29.764410] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 29.770234] device lo entered promiscuous mode [ 29.780289] device lo left promiscuous mode [ 29.788719] device lo entered promiscuous mode [ 29.798258] device lo left promiscuous mode [ 29.805237] device lo entered promiscuous mode [ 29.815275] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 29.820764] device lo entered promiscuous mode [ 29.828718] device lo left promiscuous mode [ 29.834847] device lo entered promiscuous mode [ 29.844288] device lo left promiscuous mode [ 29.851773] device lo entered promiscuous mode [ 29.859944] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 29.869574] device lo entered promiscuous mode [ 29.877980] device lo left promiscuous mode [ 29.885348] device lo entered promiscuous mode [ 29.895170] device lo left promiscuous mode [ 29.900637] device lo entered promiscuous mode [ 29.908300] device lo left promiscuous mode [ 29.913733] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 29.926303] device lo left promiscuous mode [ 29.932454] device lo entered promiscuous mode [ 29.944880] device lo left promiscuous mode [ 29.953910] device lo entered promiscuous mode [ 29.964414] device lo left promiscuous mode [ 29.969855] device lo entered promiscuous mode executing program executing program executing program [ 29.977221] device lo left promiscuous mode [ 29.982940] device lo entered promiscuous mode [ 29.991707] device lo left promiscuous mode [ 30.001967] device lo entered promiscuous mode [ 30.009945] device lo left promiscuous mode [ 30.015738] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 30.024734] device lo left promiscuous mode [ 30.030045] device lo entered promiscuous mode [ 30.039412] device lo left promiscuous mode [ 30.046874] device lo entered promiscuous mode [ 30.059062] device lo left promiscuous mode [ 30.064899] device lo entered promiscuous mode [ 30.072725] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 30.078905] device lo entered promiscuous mode [ 30.089373] device lo left promiscuous mode [ 30.095068] device lo entered promiscuous mode [ 30.103303] device lo left promiscuous mode [ 30.109267] device lo entered promiscuous mode [ 30.116284] device lo left promiscuous mode executing program executing program executing program executing program [ 30.127454] device lo entered promiscuous mode [ 30.138759] device lo left promiscuous mode [ 30.144468] device lo entered promiscuous mode [ 30.153315] device lo left promiscuous mode [ 30.158775] device lo entered promiscuous mode [ 30.166210] device lo left promiscuous mode [ 30.172944] device lo entered promiscuous mode executing program executing program executing program [ 30.181724] device lo left promiscuous mode [ 30.187426] device lo entered promiscuous mode [ 30.195489] device lo left promiscuous mode [ 30.202153] device lo entered promiscuous mode [ 30.212631] device lo left promiscuous mode [ 30.218008] device lo entered promiscuous mode [ 30.225112] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 30.231323] device lo entered promiscuous mode [ 30.238708] device lo left promiscuous mode [ 30.244744] device lo entered promiscuous mode [ 30.252261] device lo left promiscuous mode [ 30.265490] device lo entered promiscuous mode executing program executing program [ 30.285794] device lo left promiscuous mode [ 30.293404] device lo entered promiscuous mode [ 30.300951] device lo left promiscuous mode [ 30.306826] device lo entered promiscuous mode [ 30.317624] device lo left promiscuous mode [ 30.325477] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 30.333731] device lo left promiscuous mode [ 30.343058] device lo entered promiscuous mode [ 30.352978] device lo left promiscuous mode [ 30.360425] device lo entered promiscuous mode [ 30.367940] device lo left promiscuous mode [ 30.373430] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.385472] device lo left promiscuous mode [ 30.394603] device lo entered promiscuous mode [ 30.406401] device lo left promiscuous mode [ 30.413632] device lo entered promiscuous mode [ 30.420394] device lo left promiscuous mode [ 30.425924] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 30.434457] device lo left promiscuous mode [ 30.440239] device lo entered promiscuous mode [ 30.448672] device lo left promiscuous mode [ 30.463551] device lo entered promiscuous mode [ 30.474581] device lo left promiscuous mode [ 30.480847] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 30.491300] device lo left promiscuous mode [ 30.498146] device lo entered promiscuous mode [ 30.505389] device lo left promiscuous mode [ 30.512284] device lo entered promiscuous mode [ 30.526136] device lo left promiscuous mode executing program executing program executing program [ 30.537658] device lo entered promiscuous mode [ 30.548371] device lo left promiscuous mode [ 30.554314] device lo entered promiscuous mode [ 30.561621] device lo left promiscuous mode [ 30.566954] device lo entered promiscuous mode [ 30.575343] device lo left promiscuous mode [ 30.585592] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.592959] device lo left promiscuous mode [ 30.601257] device lo entered promiscuous mode [ 30.609354] device lo left promiscuous mode [ 30.616062] device lo entered promiscuous mode [ 30.624885] device lo left promiscuous mode [ 30.630322] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.640733] device lo left promiscuous mode [ 30.649535] device lo entered promiscuous mode [ 30.657134] device lo left promiscuous mode [ 30.662688] device lo entered promiscuous mode [ 30.670586] device lo left promiscuous mode [ 30.676268] device lo entered promiscuous mode [ 30.684118] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.692853] device lo entered promiscuous mode [ 30.705501] device lo left promiscuous mode [ 30.713404] device lo entered promiscuous mode [ 30.725638] device lo left promiscuous mode [ 30.731693] device lo entered promiscuous mode [ 30.739439] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.744955] device lo entered promiscuous mode [ 30.753538] device lo left promiscuous mode [ 30.766273] device lo entered promiscuous mode [ 30.778388] device lo left promiscuous mode [ 30.784173] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.791373] device lo left promiscuous mode [ 30.796865] device lo entered promiscuous mode [ 30.804846] device lo left promiscuous mode [ 30.811284] device lo entered promiscuous mode [ 30.818764] device lo left promiscuous mode [ 30.828153] device lo entered promiscuous mode [ 30.840312] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.845766] device lo entered promiscuous mode [ 30.853460] device lo left promiscuous mode [ 30.861876] device lo entered promiscuous mode [ 30.874777] device lo left promiscuous mode [ 30.883370] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 30.892571] device lo left promiscuous mode [ 30.898713] device lo entered promiscuous mode [ 30.909906] device lo left promiscuous mode [ 30.921385] device lo entered promiscuous mode [ 30.929374] device lo left promiscuous mode [ 30.935066] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 30.942971] device lo left promiscuous mode [ 30.948603] device lo entered promiscuous mode [ 30.957670] device lo left promiscuous mode [ 30.973848] device lo entered promiscuous mode [ 30.982312] device lo left promiscuous mode [ 30.988124] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 30.998599] device lo left promiscuous mode [ 31.004199] device lo entered promiscuous mode [ 31.012085] device lo left promiscuous mode [ 31.025309] device lo entered promiscuous mode [ 31.033253] device lo left promiscuous mode [ 31.039148] device lo entered promiscuous mode executing program executing program executing program [ 31.051482] device lo left promiscuous mode [ 31.057282] device lo entered promiscuous mode [ 31.068088] device lo left promiscuous mode [ 31.073931] device lo entered promiscuous mode [ 31.081953] device lo left promiscuous mode [ 31.087343] device lo entered promiscuous mode [ 31.095208] device lo left promiscuous mode executing program executing program executing program executing program executing program [ 31.100848] device lo entered promiscuous mode [ 31.108400] device lo left promiscuous mode [ 31.118708] device lo entered promiscuous mode [ 31.129493] device lo left promiscuous mode [ 31.135110] device lo entered promiscuous mode [ 31.142290] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.148072] device lo entered promiscuous mode [ 31.157063] device lo left promiscuous mode [ 31.162698] device lo entered promiscuous mode [ 31.171975] device lo left promiscuous mode [ 31.180326] device lo entered promiscuous mode [ 31.191788] device lo left promiscuous mode executing program executing program executing program [ 31.201559] device lo entered promiscuous mode [ 31.211639] device lo left promiscuous mode [ 31.221698] device lo entered promiscuous mode [ 31.229412] device lo left promiscuous mode [ 31.235309] device lo entered promiscuous mode [ 31.245959] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.251528] device lo entered promiscuous mode [ 31.264394] device lo left promiscuous mode [ 31.270567] device lo entered promiscuous mode [ 31.278103] device lo left promiscuous mode [ 31.284829] device lo entered promiscuous mode [ 31.292707] device lo left promiscuous mode executing program executing program executing program executing program [ 31.304864] device lo entered promiscuous mode [ 31.313533] device lo left promiscuous mode [ 31.319320] device lo entered promiscuous mode [ 31.327671] device lo left promiscuous mode [ 31.333626] device lo entered promiscuous mode [ 31.340915] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.351968] device lo entered promiscuous mode [ 31.362078] device lo left promiscuous mode [ 31.375685] device lo entered promiscuous mode [ 31.384674] device lo left promiscuous mode [ 31.390585] device lo entered promiscuous mode [ 31.397864] device lo left promiscuous mode executing program executing program executing program executing program [ 31.403590] device lo entered promiscuous mode [ 31.412693] device lo left promiscuous mode [ 31.420352] device lo entered promiscuous mode [ 31.427843] device lo left promiscuous mode [ 31.433419] device lo entered promiscuous mode [ 31.441783] device lo left promiscuous mode [ 31.447525] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 31.455263] device lo left promiscuous mode [ 31.460960] device lo entered promiscuous mode [ 31.470075] device lo left promiscuous mode [ 31.476082] device lo entered promiscuous mode [ 31.486411] device lo left promiscuous mode [ 31.495053] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.505180] device lo left promiscuous mode [ 31.515161] device lo entered promiscuous mode [ 31.523573] device lo left promiscuous mode [ 31.529670] device lo entered promiscuous mode [ 31.540772] device lo left promiscuous mode executing program [ 31.552775] device lo entered promiscuous mode [ 31.560976] device lo left promiscuous mode [ 31.567111] device lo entered promiscuous mode [ 31.575936] device lo left promiscuous mode [ 31.581359] device lo entered promiscuous mode [ 31.588640] device lo left promiscuous mode [ 31.594008] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.603492] device lo left promiscuous mode [ 31.612701] device lo entered promiscuous mode [ 31.624275] device lo left promiscuous mode [ 31.629671] device lo entered promiscuous mode [ 31.640582] device lo left promiscuous mode [ 31.646640] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 31.655788] device lo left promiscuous mode [ 31.661921] device lo entered promiscuous mode [ 31.671669] device lo left promiscuous mode [ 31.677855] device lo entered promiscuous mode [ 31.693576] device lo left promiscuous mode [ 31.700239] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.707937] device lo left promiscuous mode [ 31.714052] device lo entered promiscuous mode [ 31.722263] device lo left promiscuous mode [ 31.727762] device lo entered promiscuous mode [ 31.737649] device lo left promiscuous mode [ 31.743534] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.757521] device lo left promiscuous mode [ 31.765967] device lo entered promiscuous mode [ 31.773198] device lo left promiscuous mode [ 31.779474] device lo entered promiscuous mode [ 31.788575] device lo left promiscuous mode executing program executing program executing program [ 31.804945] device lo entered promiscuous mode [ 31.815007] device lo left promiscuous mode [ 31.820896] device lo entered promiscuous mode [ 31.828804] device lo left promiscuous mode [ 31.837549] device lo entered promiscuous mode [ 31.845587] device lo left promiscuous mode [ 31.851329] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 31.859439] device lo left promiscuous mode [ 31.865482] device lo entered promiscuous mode [ 31.874283] device lo left promiscuous mode [ 31.880589] device lo entered promiscuous mode [ 31.891442] device lo left promiscuous mode [ 31.898786] device lo entered promiscuous mode executing program executing program executing program executing program [ 31.908251] device lo left promiscuous mode [ 31.913980] device lo entered promiscuous mode [ 31.923647] device lo left promiscuous mode [ 31.929475] device lo entered promiscuous mode [ 31.938874] device lo left promiscuous mode [ 31.949277] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 31.958899] device lo left promiscuous mode [ 31.964643] device lo entered promiscuous mode [ 31.975990] device lo left promiscuous mode [ 31.984605] device lo entered promiscuous mode [ 31.995905] device lo left promiscuous mode [ 32.001371] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.011190] device lo left promiscuous mode [ 32.023861] device lo entered promiscuous mode [ 32.034881] device lo left promiscuous mode [ 32.040782] device lo entered promiscuous mode [ 32.048578] device lo left promiscuous mode [ 32.056169] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.067480] device lo left promiscuous mode [ 32.074320] device lo entered promiscuous mode [ 32.082134] device lo left promiscuous mode [ 32.093737] device lo entered promiscuous mode [ 32.103169] device lo left promiscuous mode [ 32.110089] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 32.118193] device lo left promiscuous mode [ 32.123672] device lo entered promiscuous mode [ 32.130801] device lo left promiscuous mode [ 32.136434] device lo entered promiscuous mode [ 32.145254] device lo left promiscuous mode [ 32.154841] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 32.167567] device lo left promiscuous mode [ 32.173734] device lo entered promiscuous mode [ 32.181644] device lo left promiscuous mode [ 32.190276] device lo entered promiscuous mode [ 32.197800] device lo left promiscuous mode [ 32.203557] device lo entered promiscuous mode [ 32.211348] device lo left promiscuous mode executing program executing program executing program [ 32.221642] device lo entered promiscuous mode [ 32.230332] device lo left promiscuous mode [ 32.236244] device lo entered promiscuous mode [ 32.243766] device lo left promiscuous mode [ 32.253669] device lo entered promiscuous mode [ 32.261904] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program [ 32.267698] device lo entered promiscuous mode [ 32.279118] device lo left promiscuous mode [ 32.285489] device lo entered promiscuous mode [ 32.293321] device lo left promiscuous mode [ 32.299514] device lo entered promiscuous mode [ 32.308339] device lo left promiscuous mode [ 32.317294] device lo entered promiscuous mode executing program executing program executing program executing program [ 32.330246] device lo left promiscuous mode [ 32.337373] device lo entered promiscuous mode [ 32.345207] device lo left promiscuous mode [ 32.351051] device lo entered promiscuous mode [ 32.358749] device lo left promiscuous mode [ 32.364213] device lo entered promiscuous mode [ 32.372671] device lo left promiscuous mode executing program executing program executing program executing program [ 32.383571] device lo entered promiscuous mode [ 32.391185] device lo left promiscuous mode [ 32.398439] device lo entered promiscuous mode [ 32.407251] device lo left promiscuous mode [ 32.412853] device lo entered promiscuous mode [ 32.420347] device lo left promiscuous mode [ 32.425910] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.433863] device lo left promiscuous mode [ 32.440080] device lo entered promiscuous mode [ 32.451751] device lo left promiscuous mode [ 32.458149] device lo entered promiscuous mode [ 32.472532] device lo left promiscuous mode [ 32.479650] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.487059] device lo left promiscuous mode [ 32.493409] device lo entered promiscuous mode [ 32.501429] device lo left promiscuous mode [ 32.506736] device lo entered promiscuous mode [ 32.514235] device lo left promiscuous mode [ 32.524166] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 32.537219] device lo left promiscuous mode [ 32.545731] device lo entered promiscuous mode [ 32.554783] device lo left promiscuous mode [ 32.560205] device lo entered promiscuous mode [ 32.568036] device lo left promiscuous mode [ 32.573403] device lo entered promiscuous mode [ 32.582479] device lo left promiscuous mode executing program executing program [ 32.594577] device lo entered promiscuous mode [ 32.605213] device lo left promiscuous mode [ 32.610749] device lo entered promiscuous mode [ 32.618759] device lo left promiscuous mode [ 32.625151] device lo entered promiscuous mode [ 32.633288] device lo left promiscuous mode [ 32.638768] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.646746] device lo left promiscuous mode [ 32.656396] device lo entered promiscuous mode [ 32.668732] device lo left promiscuous mode [ 32.675226] device lo entered promiscuous mode [ 32.683539] device lo left promiscuous mode [ 32.689418] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 32.699416] device lo left promiscuous mode [ 32.705689] device lo entered promiscuous mode [ 32.717851] device lo left promiscuous mode [ 32.726081] device lo entered promiscuous mode [ 32.737447] device lo left promiscuous mode [ 32.743506] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 32.750589] device lo left promiscuous mode [ 32.757247] device lo entered promiscuous mode [ 32.767379] device lo left promiscuous mode [ 32.772934] device lo entered promiscuous mode [ 32.781409] device lo left promiscuous mode [ 32.792603] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 32.800437] device lo left promiscuous mode [ 32.811789] device lo entered promiscuous mode [ 32.819400] device lo left promiscuous mode [ 32.825617] device lo entered promiscuous mode [ 32.834658] device lo left promiscuous mode [ 32.843223] device lo entered promiscuous mode executing program executing program executing program executing program [ 32.853981] device lo left promiscuous mode [ 32.859539] device lo entered promiscuous mode [ 32.868819] device lo left promiscuous mode [ 32.878973] device lo entered promiscuous mode [ 32.888837] device lo left promiscuous mode [ 32.894773] device lo entered promiscuous mode executing program executing program executing program executing program [ 32.902420] device lo left promiscuous mode [ 32.908395] device lo entered promiscuous mode [ 32.916680] device lo left promiscuous mode [ 32.922777] device lo entered promiscuous mode [ 32.932295] device lo left promiscuous mode [ 32.938111] device lo entered promiscuous mode [ 32.946249] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 32.953610] device lo entered promiscuous mode [ 32.964731] device lo left promiscuous mode [ 32.972386] device lo entered promiscuous mode [ 32.982483] device lo left promiscuous mode [ 32.988130] device lo entered promiscuous mode [ 32.996423] device lo left promiscuous mode executing program executing program executing program executing program [ 33.005492] device lo entered promiscuous mode [ 33.014314] device lo left promiscuous mode [ 33.020708] device lo entered promiscuous mode [ 33.029270] device lo left promiscuous mode [ 33.035492] device lo entered promiscuous mode [ 33.046140] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 33.051811] device lo entered promiscuous mode [ 33.060306] device lo left promiscuous mode [ 33.066323] device lo entered promiscuous mode [ 33.074555] device lo left promiscuous mode [ 33.087881] device lo entered promiscuous mode [ 33.100640] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 33.106365] device lo entered promiscuous mode [ 33.116213] device lo left promiscuous mode [ 33.122373] device lo entered promiscuous mode [ 33.132127] device lo left promiscuous mode [ 33.137829] device lo entered promiscuous mode [ 33.150103] device lo left promiscuous mode executing program executing program executing program [ 33.158917] device lo entered promiscuous mode [ 33.167513] device lo left promiscuous mode [ 33.173462] device lo entered promiscuous mode [ 33.180667] device lo left promiscuous mode [ 33.185931] device lo entered promiscuous mode [ 33.193467] device lo left promiscuous mode [ 33.201196] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 33.210243] device lo left promiscuous mode [ 33.222465] device lo entered promiscuous mode [ 33.230599] device lo left promiscuous mode [ 33.236946] device lo entered promiscuous mode [ 33.247866] device lo left promiscuous mode [ 33.256212] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 33.263888] device lo left promiscuous mode [ 33.269806] device lo entered promiscuous mode [ 33.279470] device lo left promiscuous mode [ 33.285356] device lo entered promiscuous mode [ 33.297238] device lo left promiscuous mode [ 33.304357] device lo entered promiscuous mode executing program executing program executing program executing program [ 33.313466] device lo left promiscuous mode [ 33.320731] device lo entered promiscuous mode [ 33.329880] device lo left promiscuous mode [ 33.336538] device lo entered promiscuous mode [ 33.344050] device lo left promiscuous mode [ 33.353199] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.361525] device lo left promiscuous mode [ 33.367651] device lo entered promiscuous mode [ 33.377119] device lo left promiscuous mode [ 33.387731] device lo entered promiscuous mode [ 33.398651] device lo left promiscuous mode [ 33.406837] device lo entered promiscuous mode executing program executing program executing program executing program [ 33.419906] device lo left promiscuous mode [ 33.425718] device lo entered promiscuous mode [ 33.433711] device lo left promiscuous mode [ 33.443786] device lo entered promiscuous mode [ 33.451860] device lo left promiscuous mode [ 33.457888] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 33.466757] device lo left promiscuous mode [ 33.477400] device lo entered promiscuous mode [ 33.489795] device lo left promiscuous mode [ 33.495470] device lo entered promiscuous mode [ 33.503237] device lo left promiscuous mode [ 33.508946] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 33.517524] device lo left promiscuous mode [ 33.523479] device lo entered promiscuous mode [ 33.532209] device lo left promiscuous mode [ 33.542864] device lo entered promiscuous mode [ 33.551304] device lo left promiscuous mode [ 33.562964] device lo entered promiscuous mode executing program executing program executing program executing program executing program [ 33.571221] device lo left promiscuous mode [ 33.577464] device lo entered promiscuous mode [ 33.590359] device lo left promiscuous mode [ 33.597141] device lo entered promiscuous mode [ 33.606218] device lo left promiscuous mode [ 33.611842] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 33.619824] device lo left promiscuous mode [ 33.630869] device lo entered promiscuous mode [ 33.639338] device lo left promiscuous mode [ 33.645529] device lo entered promiscuous mode [ 33.658217] device lo left promiscuous mode [ 33.664425] device lo entered promiscuous mode executing program executing program executing program executing program [ 33.674911] device lo left promiscuous mode [ 33.681991] device lo entered promiscuous mode [ 33.692744] device lo left promiscuous mode [ 33.698077] device lo entered promiscuous mode [ 33.710596] device lo left promiscuous mode [ 33.716425] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 33.725264] device lo left promiscuous mode [ 33.731998] device lo entered promiscuous mode [ 33.746393] device lo left promiscuous mode [ 33.753484] device lo entered promiscuous mode [ 33.762942] device lo left promiscuous mode [ 33.768575] device lo entered promiscuous mode executing program executing program executing program executing program executing program executing program [ 33.776131] device lo left promiscuous mode [ 33.782071] device lo entered promiscuous mode [ 33.789983] device lo left promiscuous mode [ 33.796045] device lo entered promiscuous mode [ 33.802998] device lo left promiscuous mode [ 33.816065] device lo entered promiscuous mode executing program executing program executing program executing program [ 33.826559] device lo left promiscuous mode [ 33.832449] device lo entered promiscuous mode [ 33.841876] device lo left promiscuous mode [ 33.847329] device lo entered promiscuous mode [ 33.855087] device lo left promiscuous mode [ 33.860952] device lo entered promiscuous mode [ 33.871849] device lo left promiscuous mode executing program executing program executing program executing program executing program executing program [ 33.878109] device lo entered promiscuous mode [ 33.889652] device lo left promiscuous mode [ 33.897969] device lo entered promiscuous mode [ 33.905691] device lo left promiscuous mode [ 33.912714] device lo entered promiscuous mode [ 33.920417] device lo left promiscuous mode [ 33.925907] device lo entered promiscuous mode [ 33.933245] device lo left promiscuous mode [ 33.938956] device lo entered promiscuous mode [ 33.947452] device lo left promiscuous mode [ 33.953196] ================================================================== [ 33.960625] BUG: KASAN: use-after-free in fib6_ifdown+0x1f8/0x220 [ 33.966849] Read of size 8 at addr ffff8801bd2d2380 by task syzkaller913903/4753 [ 33.974365] executing program executing program executing program [ 33.975981] CPU: 0 PID: 4753 Comm: syzkaller913903 Not tainted 4.15.0-rc8+ #263 [ 33.983402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.992731] Call Trace: [ 33.995294] dump_stack+0x194/0x257 [ 33.998897] ? arch_local_irq_restore+0x53/0x53 [ 34.003548] ? show_regs_print_info+0x18/0x18 [ 34.008060] ? find_held_lock+0x35/0x1d0 [ 34.012126] ? fib6_ifdown+0x1f8/0x220 [ 34.016001] print_address_description+0x73/0x250 [ 34.020826] ? fib6_ifdown+0x1f8/0x220 [ 34.024686] kasan_report+0x25b/0x340 [ 34.028465] __asan_report_load8_noabort+0x14/0x20 [ 34.033372] fib6_ifdown+0x1f8/0x220 [ 34.037066] fib6_clean_node+0x333/0x4f0 [ 34.041107] ? trace_hardirqs_on+0xd/0x10 [ 34.045226] ? fib6_del+0x1240/0x1240 [ 34.049013] ? fib6_walker_link+0x180/0x210 [ 34.053328] fib6_walk_continue+0x46c/0x8a0 [ 34.057630] ? rt6_check_expired+0x1e0/0x1e0 [ 34.062019] fib6_walk+0x91/0xf0 [ 34.065368] fib6_clean_tree+0x1e6/0x340 [ 34.069405] ? fib6_walk+0xf0/0xf0 [ 34.072921] ? fib6_del+0x1240/0x1240 executing program executing program executing program [ 34.076709] ? rt6_check_expired+0x1e0/0x1e0 [ 34.081098] ? __fib6_clean_all+0x1d0/0x3a0 [ 34.085406] __fib6_clean_all+0x1f4/0x3a0 [ 34.089534] ? rt6_check_expired+0x1e0/0x1e0 [ 34.093916] ? fib6_repair_tree.part.21+0xf10/0xf10 [ 34.098909] ? print_irqtrace_events+0x270/0x270 [ 34.103634] ? print_irqtrace_events+0x270/0x270 [ 34.108373] ? print_irqtrace_events+0x270/0x270 [ 34.113118] ? check_noncircular+0x20/0x20 [ 34.117347] ? rt6_check_expired+0x1e0/0x1e0 [ 34.121745] fib6_clean_all+0x27/0x30 [ 34.125521] rt6_ifdown+0xd1/0x6a0 [ 34.129042] ? print_irqtrace_events+0x270/0x270 [ 34.133782] ? __lock_acquire+0x664/0x3e00 [ 34.137998] ? rt6_clean_tohost+0x30/0x30 [ 34.142155] ? rtnl_is_locked+0x54/0xb0 [ 34.146108] ? ip_vs_dst_event+0xc4/0x650 [ 34.150243] addrconf_ifdown+0x134/0x14d0 [ 34.154374] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.160243] ? rcu_note_context_switch+0x710/0x710 [ 34.165164] ? inet6_rtm_newaddr+0xcd0/0xcd0 [ 34.169560] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.174721] ? ip_vs_dst_event+0xc4/0x650 [ 34.178851] ? check_noncircular+0x20/0x20 [ 34.183066] ? check_noncircular+0x20/0x20 [ 34.187291] ? print_irqtrace_events+0x270/0x270 [ 34.192029] ? ip_vs_dst_event+0xc4/0x650 [ 34.196156] ? check_noncircular+0x20/0x20 [ 34.200370] ? mutex_lock_io_nested+0x1900/0x1900 [ 34.205183] ? check_noncircular+0x20/0x20 [ 34.209401] ? lock_timer_base+0xaf/0x280 [ 34.213535] ? check_noncircular+0x20/0x20 [ 34.217759] ? check_noncircular+0x20/0x20 [ 34.221991] ? __lock_is_held+0xb6/0x140 [ 34.226051] addrconf_notify+0x5eb/0x2270 [ 34.230180] ? pptp_outbound_pkt+0x3f0/0x3f0 [ 34.234589] ? inet6_ifinfo_notify+0x130/0x130 [ 34.239154] ? rcu_note_context_switch+0x710/0x710 [ 34.244064] ? ip_vs_dst_event+0x23b/0x650 [ 34.248276] ? __might_sleep+0x95/0x190 [ 34.252225] ? _cond_resched+0x14/0x30 [ 34.256096] ? nf_ct_iterate_cleanup_net+0x13e/0x2b0 [ 34.261189] ? ip6mr_device_event+0x8c/0x340 [ 34.265589] ? nf_ct_iterate_cleanup+0x4f0/0x4f0 [ 34.270337] ? mif6_delete+0x620/0x620 [ 34.274212] ? ip_vs_dst_event+0x23b/0x650 [ 34.278426] ? trace_hardirqs_on+0xd/0x10 [ 34.282567] ? mutex_unlock+0xd/0x10 [ 34.286265] ? ip_vs_dst_event+0x24c/0x650 [ 34.290499] notifier_call_chain+0x136/0x2c0 [ 34.294889] ? notifier_call_chain+0x136/0x2c0 [ 34.299453] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 34.304884] ? rtnl_is_locked+0x54/0xb0 [ 34.308835] ? rtnl_kfree_skbs+0x70/0x70 [ 34.312896] raw_notifier_call_chain+0x2d/0x40 [ 34.317480] call_netdevice_notifiers_info+0x32/0x60 [ 34.322576] __dev_notify_flags+0x262/0x430 [ 34.326892] ? dev_change_name+0xbd0/0xbd0 [ 34.331097] ? dev_set_allmulti+0x30/0x30 [ 34.335222] ? find_held_lock+0x35/0x1d0 [ 34.339298] ? dev_load+0x80/0x1b0 [ 34.342837] dev_change_flags+0xf5/0x140 [ 34.346882] ? dev_change_flags+0xf5/0x140 [ 34.351118] dev_ifsioc+0x60d/0x9b0 [ 34.354734] ? dev_ifname+0x1a0/0x1a0 [ 34.358538] dev_ioctl+0x2d7/0xfb0 [ 34.362071] ? lock_release+0xa40/0xa40 [ 34.366038] ? dev_load+0x1b0/0x1b0 [ 34.369648] ? __lock_is_held+0xb6/0x140 [ 34.373748] sock_do_ioctl+0x94/0xb0 [ 34.377450] ? sock_do_ioctl+0x94/0xb0 [ 34.381332] sock_ioctl+0x2c2/0x440 [ 34.384953] ? dlci_ioctl_set+0x40/0x40 [ 34.388911] do_vfs_ioctl+0x1b1/0x1520 [ 34.392784] ? _cond_resched+0x14/0x30 [ 34.396671] ? ioctl_preallocate+0x2b0/0x2b0 [ 34.401071] ? selinux_capable+0x40/0x40 [ 34.405133] ? syscall_return_slowpath+0x2ad/0x550 [ 34.410060] ? security_file_ioctl+0x89/0xb0 [ 34.414465] SyS_ioctl+0x8f/0xc0 [ 34.417830] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 34.422569] RIP: 0033:0x44ab09 [ 34.425742] RSP: 002b:00007fcfe9bd0da8 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 34.433435] RAX: ffffffffffffffda RBX: 00000000006dcc24 RCX: 000000000044ab09 [ 34.440690] RDX: 00000000208a3fe0 RSI: 0000000000008914 RDI: 0000000000000125 [ 34.447947] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 34.455201] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dcc20 [ 34.462463] R13: 0001000000000003 R14: 0100000000000000 R15: 0000000000000001 [ 34.469747] [ 34.471360] Allocated by task 4759: [ 34.474979] save_stack+0x43/0xd0 [ 34.478418] kasan_kmalloc+0xad/0xe0 [ 34.482114] kasan_slab_alloc+0x12/0x20 [ 34.486075] kmem_cache_alloc+0x12e/0x760 [ 34.490207] dst_alloc+0x11f/0x1a0 [ 34.493733] __ip6_dst_alloc+0x35/0x90 [ 34.497606] ip6_dst_alloc+0x29/0xb0 [ 34.501304] ip6_route_info_create+0x4ff/0x2d40 [ 34.505954] ip6_route_add+0xa2/0x190 [ 34.509736] ipv6_route_ioctl+0x4db/0x6b0 [ 34.513867] inet6_ioctl+0xef/0x1e0 [ 34.517477] sock_do_ioctl+0x65/0xb0 [ 34.521177] sock_ioctl+0x2c2/0x440 [ 34.524787] do_vfs_ioctl+0x1b1/0x1520 [ 34.528661] SyS_ioctl+0x8f/0xc0 [ 34.532011] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 34.536746] [ 34.538357] Freed by task 4768: [ 34.541628] save_stack+0x43/0xd0 [ 34.545065] kasan_slab_free+0x71/0xc0 [ 34.548937] kmem_cache_free+0x83/0x2a0 [ 34.552893] dst_destroy+0x216/0x330 [ 34.556587] dst_destroy_rcu+0x16/0x20 [ 34.560465] rcu_process_callbacks+0xd6c/0x17f0 [ 34.565116] __do_softirq+0x2d7/0xb85 [ 34.568894] [ 34.570503] The buggy address belongs to the object at ffff8801bd2d2380 [ 34.570503] which belongs to the cache ip6_dst_cache of size 384 [ 34.583316] The buggy address is located 0 bytes inside of [ 34.583316] 384-byte region [ffff8801bd2d2380, ffff8801bd2d2500) [ 34.595001] The buggy address belongs to the page: [ 34.599916] page:ffffea0006f4b480 count:1 mapcount:0 mapping:ffff8801bd2d2000 index:0x0 [ 34.608046] flags: 0x2fffc0000000100(slab) [ 34.612264] raw: 02fffc0000000100 ffff8801bd2d2000 0000000000000000 0000000100000009 [ 34.620136] raw: ffffea000758e3a0 ffffea0006f4d320 ffff8801d3236540 0000000000000000 [ 34.627997] page dumped because: kasan: bad access detected [ 34.633684] [ 34.635291] Memory state around the buggy address: [ 34.640205] ffff8801bd2d2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.647553] ffff8801bd2d2300: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 34.654894] >ffff8801bd2d2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.662239] ^ [ 34.665586] ffff8801bd2d2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.672932] ffff8801bd2d2480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.680276] ================================================================== [ 34.687615] Disabling lock debugging due to kernel taint [ 34.693106] Kernel panic - not syncing: panic_on_warn set ... [ 34.693106] [ 34.700457] CPU: 0 PID: 4753 Comm: syzkaller913903 Tainted: G B 4.15.0-rc8+ #263 [ 34.709188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.718523] Call Trace: [ 34.721099] dump_stack+0x194/0x257 [ 34.724712] ? arch_local_irq_restore+0x53/0x53 [ 34.729365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.734109] ? vsnprintf+0x1ed/0x1900 [ 34.737898] ? fib6_ifdown+0x120/0x220 [ 34.741769] panic+0x1e4/0x41c [ 34.744946] ? refcount_error_report+0x214/0x214 [ 34.749685] ? add_taint+0x1c/0x50 [ 34.753209] ? add_taint+0x1c/0x50 [ 34.756744] ? fib6_ifdown+0x1f8/0x220 [ 34.760617] kasan_end_report+0x50/0x50 [ 34.764576] kasan_report+0x144/0x340 [ 34.768368] __asan_report_load8_noabort+0x14/0x20 [ 34.773284] fib6_ifdown+0x1f8/0x220 [ 34.776982] fib6_clean_node+0x333/0x4f0 [ 34.781032] ? trace_hardirqs_on+0xd/0x10 [ 34.785160] ? fib6_del+0x1240/0x1240 [ 34.788949] ? fib6_walker_link+0x180/0x210 [ 34.793257] fib6_walk_continue+0x46c/0x8a0 [ 34.797565] ? rt6_check_expired+0x1e0/0x1e0 [ 34.801959] fib6_walk+0x91/0xf0 [ 34.805317] fib6_clean_tree+0x1e6/0x340 [ 34.809362] ? fib6_walk+0xf0/0xf0 [ 34.812886] ? fib6_del+0x1240/0x1240 [ 34.816668] ? rt6_check_expired+0x1e0/0x1e0 [ 34.821059] ? __fib6_clean_all+0x1d0/0x3a0 [ 34.825368] __fib6_clean_all+0x1f4/0x3a0 [ 34.829506] ? rt6_check_expired+0x1e0/0x1e0 [ 34.833897] ? fib6_repair_tree.part.21+0xf10/0xf10 [ 34.838901] ? print_irqtrace_events+0x270/0x270 [ 34.843640] ? print_irqtrace_events+0x270/0x270 [ 34.848377] ? print_irqtrace_events+0x270/0x270 [ 34.853115] ? check_noncircular+0x20/0x20 [ 34.857336] ? rt6_check_expired+0x1e0/0x1e0 [ 34.861726] fib6_clean_all+0x27/0x30 [ 34.865512] rt6_ifdown+0xd1/0x6a0 [ 34.869037] ? print_irqtrace_events+0x270/0x270 [ 34.873777] ? __lock_acquire+0x664/0x3e00 [ 34.877996] ? rt6_clean_tohost+0x30/0x30 [ 34.882130] ? rtnl_is_locked+0x54/0xb0 [ 34.886094] ? ip_vs_dst_event+0xc4/0x650 [ 34.890244] addrconf_ifdown+0x134/0x14d0 [ 34.894378] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.900248] ? rcu_note_context_switch+0x710/0x710 [ 34.905168] ? inet6_rtm_newaddr+0xcd0/0xcd0 [ 34.909561] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.914732] ? ip_vs_dst_event+0xc4/0x650 [ 34.918866] ? check_noncircular+0x20/0x20 [ 34.923082] ? check_noncircular+0x20/0x20 [ 34.927302] ? print_irqtrace_events+0x270/0x270 [ 34.932039] ? ip_vs_dst_event+0xc4/0x650 [ 34.936171] ? check_noncircular+0x20/0x20 [ 34.940391] ? mutex_lock_io_nested+0x1900/0x1900 [ 34.945220] ? check_noncircular+0x20/0x20 [ 34.949438] ? lock_timer_base+0xaf/0x280 [ 34.953574] ? check_noncircular+0x20/0x20 [ 34.957795] ? check_noncircular+0x20/0x20 [ 34.962024] ? __lock_is_held+0xb6/0x140 [ 34.966083] addrconf_notify+0x5eb/0x2270 [ 34.970226] ? pptp_outbound_pkt+0x3f0/0x3f0 [ 34.974624] ? inet6_ifinfo_notify+0x130/0x130 [ 34.979192] ? rcu_note_context_switch+0x710/0x710 [ 34.984107] ? ip_vs_dst_event+0x23b/0x650 [ 34.988328] ? __might_sleep+0x95/0x190 [ 34.992301] ? _cond_resched+0x14/0x30 [ 34.996176] ? nf_ct_iterate_cleanup_net+0x13e/0x2b0 [ 35.001273] ? ip6mr_device_event+0x8c/0x340 [ 35.005665] ? nf_ct_iterate_cleanup+0x4f0/0x4f0 [ 35.010404] ? mif6_delete+0x620/0x620 [ 35.014284] ? ip_vs_dst_event+0x23b/0x650 [ 35.018503] ? trace_hardirqs_on+0xd/0x10 [ 35.022635] ? mutex_unlock+0xd/0x10 [ 35.026337] ? ip_vs_dst_event+0x24c/0x650 [ 35.030568] notifier_call_chain+0x136/0x2c0 [ 35.034958] ? notifier_call_chain+0x136/0x2c0 [ 35.039529] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 35.044975] ? rtnl_is_locked+0x54/0xb0 [ 35.048934] ? rtnl_kfree_skbs+0x70/0x70 [ 35.052985] raw_notifier_call_chain+0x2d/0x40 [ 35.057553] call_netdevice_notifiers_info+0x32/0x60 [ 35.062639] __dev_notify_flags+0x262/0x430 [ 35.066949] ? dev_change_name+0xbd0/0xbd0 [ 35.071168] ? dev_set_allmulti+0x30/0x30 [ 35.075302] ? find_held_lock+0x35/0x1d0 [ 35.079360] ? dev_load+0x80/0x1b0 [ 35.082887] dev_change_flags+0xf5/0x140 [ 35.086932] ? dev_change_flags+0xf5/0x140 [ 35.091153] dev_ifsioc+0x60d/0x9b0 [ 35.094764] ? dev_ifname+0x1a0/0x1a0 [ 35.098556] dev_ioctl+0x2d7/0xfb0 [ 35.102085] ? lock_release+0xa40/0xa40 [ 35.106045] ? dev_load+0x1b0/0x1b0 [ 35.109655] ? __lock_is_held+0xb6/0x140 [ 35.113721] sock_do_ioctl+0x94/0xb0 [ 35.117417] ? sock_do_ioctl+0x94/0xb0 [ 35.121290] sock_ioctl+0x2c2/0x440 [ 35.124904] ? dlci_ioctl_set+0x40/0x40 [ 35.128864] do_vfs_ioctl+0x1b1/0x1520 [ 35.132740] ? _cond_resched+0x14/0x30 [ 35.136615] ? ioctl_preallocate+0x2b0/0x2b0 [ 35.141014] ? selinux_capable+0x40/0x40 [ 35.145067] ? syscall_return_slowpath+0x2ad/0x550 [ 35.149987] ? security_file_ioctl+0x89/0xb0 [ 35.154382] SyS_ioctl+0x8f/0xc0 [ 35.157737] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.162473] RIP: 0033:0x44ab09 [ 35.165642] RSP: 002b:00007fcfe9bd0da8 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 35.173332] RAX: ffffffffffffffda RBX: 00000000006dcc24 RCX: 000000000044ab09 [ 35.180583] RDX: 00000000208a3fe0 RSI: 0000000000008914 RDI: 0000000000000125 [ 35.187840] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.195093] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dcc20 [ 35.202346] R13: 0001000000000003 R14: 0100000000000000 R15: 0000000000000001 [ 35.210486] Dumping ftrace buffer: [ 35.214009] (ftrace buffer empty) [ 35.217687] Kernel Offset: disabled [ 35.221282] Rebooting in 86400 seconds..