INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] 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 '10.128.0.35' (ECDSA) to the list of known hosts. 2018/04/14 16:27:24 parsed 1 programs 2018/04/14 16:27:24 executed programs: 0 syzkaller login: [ 26.754979] IPVS: Creating netns size=2536 id=1 [ 26.839900] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 26.840057] IPVS: stopping backup sync thread 3783 ... [ 26.855303] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 26.908945] IPVS: stopping backup sync thread 3785 ... [ 26.916307] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 26.959201] IPVS: stopping backup sync thread 3789 ... [ 26.966121] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.038897] IPVS: stopping backup sync thread 3794 ... [ 27.045947] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.089139] IPVS: stopping backup sync thread 3799 ... [ 27.096097] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.168776] IPVS: stopping backup sync thread 3804 ... [ 27.175705] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.218920] IPVS: stopping backup sync thread 3808 ... [ 27.225918] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.226886] IPVS: stopping backup sync thread 3813 ... [ 27.299090] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.299842] IPVS: stopping backup sync thread 3816 ... [ 27.314400] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.358869] IPVS: stopping backup sync thread 3818 ... [ 27.366035] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.366993] IPVS: stopping backup sync thread 3823 ... [ 27.429141] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.429920] IPVS: stopping backup sync thread 3826 ... [ 27.444445] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.488960] IPVS: stopping backup sync thread 3828 ... [ 27.495924] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.496886] IPVS: stopping backup sync thread 3833 ... [ 27.568984] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.569748] IPVS: stopping backup sync thread 3836 ... [ 27.584314] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.629005] IPVS: stopping backup sync thread 3838 ... [ 27.636004] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.636956] IPVS: stopping backup sync thread 3843 ... [ 27.689044] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.697231] IPVS: stopping backup sync thread 3846 ... [ 27.704327] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.739004] IPVS: stopping backup sync thread 3848 ... [ 27.745979] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.818905] IPVS: stopping backup sync thread 3853 ... [ 27.825929] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.869294] IPVS: stopping backup sync thread 3857 ... [ 27.876320] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.948897] IPVS: stopping backup sync thread 3862 ... [ 27.955891] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 27.999309] IPVS: stopping backup sync thread 3866 ... [ 28.006308] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.079050] IPVS: stopping backup sync thread 3871 ... [ 28.086118] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.129375] IPVS: stopping backup sync thread 3875 ... [ 28.136389] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.209211] IPVS: stopping backup sync thread 3880 ... [ 28.216204] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.288867] IPVS: stopping backup sync thread 3885 ... [ 28.295839] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.339058] IPVS: stopping backup sync thread 3889 ... [ 28.345992] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.399017] IPVS: stopping backup sync thread 3894 ... [ 28.406002] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.438863] IPVS: stopping backup sync thread 3898 ... [ 28.445739] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.509235] IPVS: stopping backup sync thread 3903 ... [ 28.516182] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.598699] IPVS: stopping backup sync thread 3908 ... [ 28.605572] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.649063] IPVS: stopping backup sync thread 3912 ... [ 28.655941] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.728971] IPVS: stopping backup sync thread 3917 ... [ 28.735990] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.769468] IPVS: stopping backup sync thread 3921 ... [ 28.776393] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.858844] IPVS: stopping backup sync thread 3926 ... [ 28.865858] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.909603] IPVS: stopping backup sync thread 3930 ... [ 28.916561] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.979228] IPVS: stopping backup sync thread 3935 ... [ 28.986185] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.058845] IPVS: stopping backup sync thread 3940 ... [ 29.065833] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.109063] IPVS: stopping backup sync thread 3944 ... [ 29.116018] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.189093] IPVS: stopping backup sync thread 3949 ... [ 29.196069] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.239050] IPVS: stopping backup sync thread 3953 ... [ 29.245954] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.318880] IPVS: stopping backup sync thread 3958 ... [ 29.325836] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.369127] IPVS: stopping backup sync thread 3962 ... [ 29.376076] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.448744] IPVS: stopping backup sync thread 3967 ... [ 29.455658] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.498587] IPVS: stopping backup sync thread 3971 ... [ 29.505452] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.506427] IPVS: stopping backup sync thread 3976 ... [ 29.569147] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.577646] IPVS: stopping backup sync thread 3979 ... [ 29.584510] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.628957] IPVS: stopping backup sync thread 3981 ... [ 29.635926] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.636890] IPVS: stopping backup sync thread 3986 ... [ 29.708924] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.717282] IPVS: stopping backup sync thread 3989 ... [ 29.724152] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.768788] IPVS: stopping backup sync thread 3991 ... [ 29.775748] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.838806] IPVS: stopping backup sync thread 3996 ... [ 29.845757] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.889144] IPVS: stopping backup sync thread 4000 ... [ 29.896023] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.959083] IPVS: stopping backup sync thread 4005 ... [ 29.966014] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.028772] IPVS: stopping backup sync thread 4010 ... [ 30.035774] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.079077] IPVS: stopping backup sync thread 4014 ... [ 30.086083] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.148782] IPVS: stopping backup sync thread 4019 ... [ 30.155746] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.198814] IPVS: stopping backup sync thread 4023 ... [ 30.205725] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.206691] IPVS: stopping backup sync thread 4029 ... [ 30.269206] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.269305] IPVS: stopping backup sync thread 4032 ... [ 30.284427] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.328840] IPVS: stopping backup sync thread 4034 ... [ 30.335758] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.336727] IPVS: stopping backup sync thread 4039 ... [ 30.388921] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.389006] IPVS: stopping backup sync thread 4042 ... [ 30.404112] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.448667] IPVS: stopping backup sync thread 4044 ... [ 30.455602] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.456570] IPVS: stopping backup sync thread 4049 ... [ 30.518782] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.527503] IPVS: stopping backup sync thread 4052 ... [ 30.534392] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.579241] IPVS: stopping backup sync thread 4054 ... [ 30.586143] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.638913] IPVS: stopping backup sync thread 4059 ... [ 30.645837] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.678936] IPVS: stopping backup sync thread 4063 ... [ 30.685819] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.758803] IPVS: stopping backup sync thread 4068 ... [ 30.765837] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.809311] IPVS: stopping backup sync thread 4072 ... [ 30.816467] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.888878] IPVS: stopping backup sync thread 4077 ... [ 30.895920] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.938869] IPVS: stopping backup sync thread 4081 ... [ 30.945841] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.946803] IPVS: stopping backup sync thread 4086 ... [ 30.998783] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.007243] IPVS: stopping backup sync thread 4089 ... [ 31.014120] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.059019] IPVS: stopping backup sync thread 4091 ... [ 31.066064] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.067051] IPVS: stopping backup sync thread 4096 ... [ 31.139017] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.139890] IPVS: stopping backup sync thread 4099 ... [ 31.154288] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.198878] IPVS: stopping backup sync thread 4101 ... [ 31.205894] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.269191] IPVS: stopping backup sync thread 4106 ... [ 31.276278] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.319863] IPVS: stopping backup sync thread 4110 ... [ 31.326792] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.327762] IPVS: stopping backup sync thread 4115 ... [ 31.399144] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.400791] IPVS: stopping backup sync thread 4119 ... [ 31.414607] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.468972] IPVS: stopping backup sync thread 4121 ... [ 31.475895] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.508785] IPVS: stopping backup sync thread 4125 ... [ 31.515688] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.516648] IPVS: stopping backup sync thread 4130 ... [ 31.578835] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.587306] IPVS: stopping backup sync thread 4133 ... [ 31.594229] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.639180] IPVS: stopping backup sync thread 4135 ... [ 31.646092] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.647057] IPVS: stopping backup sync thread 4140 ... [ 31.708906] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.709826] IPVS: stopping backup sync thread 4143 ... [ 31.724108] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 2018/04/14 16:27:29 executed programs: 78 [ 31.769000] IPVS: stopping backup sync thread 4145 ... [ 31.776275] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.777254] IPVS: stopping backup sync thread 4150 ... [ 31.848930] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.849697] IPVS: stopping backup sync thread 4153 ... [ 31.864423] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.908862] IPVS: stopping backup sync thread 4155 ... [ 31.915901] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.916858] IPVS: stopping backup sync thread 4160 ... [ 31.989050] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.989768] IPVS: stopping backup sync thread 4163 ... [ 32.004385] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.048856] IPVS: stopping backup sync thread 4165 ... [ 32.055891] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.056894] IPVS: stopping backup sync thread 4170 ... [ 32.119141] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.127181] IPVS: stopping backup sync thread 4173 ... [ 32.134582] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.178962] IPVS: stopping backup sync thread 4175 ... [ 32.185977] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.186936] IPVS: stopping backup sync thread 4180 ... [ 32.269403] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.270993] IPVS: stopping backup sync thread 4184 ... [ 32.284782] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.349129] IPVS: stopping backup sync thread 4186 ... [ 32.356225] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.399263] IPVS: stopping backup sync thread 4190 ... [ 32.406269] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.468923] IPVS: stopping backup sync thread 4195 ... [ 32.475965] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.519283] IPVS: stopping backup sync thread 4199 ... [ 32.526300] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.599051] IPVS: stopping backup sync thread 4204 ... [ 32.605966] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.698917] IPVS: stopping backup sync thread 4209 ... [ 32.706005] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.749591] IPVS: stopping backup sync thread 4213 ... [ 32.756664] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.809006] IPVS: stopping backup sync thread 4218 ... [ 32.816097] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.859131] IPVS: stopping backup sync thread 4222 ... [ 32.866129] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.938918] IPVS: stopping backup sync thread 4227 ... [ 32.945985] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.989031] IPVS: stopping backup sync thread 4231 ... [ 32.996050] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.996987] IPVS: stopping backup sync thread 4236 ... [ 33.048912] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.049003] IPVS: stopping backup sync thread 4239 ... [ 33.064288] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.108873] IPVS: stopping backup sync thread 4241 ... [ 33.115891] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.116833] IPVS: stopping backup sync thread 4246 ... [ 33.159538] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.167214] IPVS: stopping backup sync thread 4250 ... [ 33.175051] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.229043] IPVS: stopping backup sync thread 4252 ... [ 33.236040] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.279243] IPVS: stopping backup sync thread 4256 ... [ 33.286232] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.338971] IPVS: stopping backup sync thread 4261 ... [ 33.346039] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.389004] IPVS: stopping backup sync thread 4265 ... [ 33.396123] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.397060] IPVS: stopping backup sync thread 4271 ... [ 33.469398] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.470792] IPVS: stopping backup sync thread 4275 ... [ 33.484837] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.549375] IPVS: stopping backup sync thread 4277 ... [ 33.556405] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.629226] IPVS: stopping backup sync thread 4282 ... [ 33.636268] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.699226] IPVS: stopping backup sync thread 4287 ... [ 33.706268] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.778879] IPVS: stopping backup sync thread 4292 ... [ 33.785920] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.828827] IPVS: stopping backup sync thread 4296 ... [ 33.835849] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.898919] IPVS: stopping backup sync thread 4301 ... [ 33.905923] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.948943] IPVS: stopping backup sync thread 4305 ... [ 33.956065] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.957050] IPVS: stopping backup sync thread 4310 ... [ 34.028960] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.029719] IPVS: stopping backup sync thread 4313 ... [ 34.044285] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.079187] IPVS: stopping backup sync thread 4315 ... [ 34.086223] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.158834] IPVS: stopping backup sync thread 4320 ... [ 34.165823] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.209270] IPVS: stopping backup sync thread 4324 ... [ 34.216209] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.289179] IPVS: stopping backup sync thread 4329 ... [ 34.296181] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.339209] IPVS: stopping backup sync thread 4333 ... [ 34.346107] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.418885] IPVS: stopping backup sync thread 4338 ... [ 34.425880] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.468961] IPVS: stopping backup sync thread 4342 ... [ 34.475921] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.548839] IPVS: stopping backup sync thread 4347 ... [ 34.555889] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.598909] IPVS: stopping backup sync thread 4351 ... [ 34.605922] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.606885] IPVS: stopping backup sync thread 4356 ... [ 34.678888] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.679658] IPVS: stopping backup sync thread 4359 ... [ 34.694214] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.738927] IPVS: stopping backup sync thread 4361 ... [ 34.745904] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.746842] IPVS: stopping backup sync thread 4366 ... [ 34.819037] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.819796] IPVS: stopping backup sync thread 4369 ... [ 34.834294] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.878749] IPVS: stopping backup sync thread 4371 ... [ 34.885684] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.886648] IPVS: stopping backup sync thread 4376 ... [ 34.949109] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.957189] IPVS: stopping backup sync thread 4379 ... [ 34.964394] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.008961] IPVS: stopping backup sync thread 4381 ... [ 35.015913] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.016876] IPVS: stopping backup sync thread 4386 ... [ 35.089303] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.097244] IPVS: stopping backup sync thread 4389 ... [ 35.104715] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.149041] IPVS: stopping backup sync thread 4391 ... [ 35.156065] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.157062] IPVS: stopping backup sync thread 4396 ... [ 35.229048] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.229769] IPVS: stopping backup sync thread 4399 ... [ 35.244478] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.288820] IPVS: stopping backup sync thread 4401 ... [ 35.295812] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.296749] IPVS: stopping backup sync thread 4406 ... [ 35.338927] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.339756] IPVS: stopping backup sync thread 4410 ... [ 35.354192] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.408934] IPVS: stopping backup sync thread 4412 ... [ 35.415912] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.459040] IPVS: stopping backup sync thread 4416 ... [ 35.465963] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.538794] IPVS: stopping backup sync thread 4421 ... [ 35.545836] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.589344] IPVS: stopping backup sync thread 4425 ... [ 35.596272] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.649103] IPVS: stopping backup sync thread 4430 ... [ 35.656002] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.738806] IPVS: stopping backup sync thread 4435 ... [ 35.745760] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.789491] IPVS: stopping backup sync thread 4439 ... [ 35.799888] [ 35.801506] ============================================= [ 35.807024] [ INFO: possible recursive locking detected ] [ 35.807029] 4.9.93-g2ba4887 #2 Not tainted [ 35.807030] --------------------------------------------- [ 35.807033] syz-executor0/4443 is trying to acquire lock: [ 35.807053] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 35.807059] but task is already holding lock: [ 35.807068] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 35.807069] other info that might help us debug this: [ 35.807071] Possible unsafe locking scenario: [ 35.807071] [ 35.807072] CPU0 [ 35.807073] ---- [ 35.807077] lock(rtnl_mutex); [ 35.807079] lock(rtnl_mutex); [ 35.807080] [ 35.807080] *** DEADLOCK *** [ 35.807080] [ 35.807082] May be due to missing lock nesting notation [ 35.807082] [ 35.807085] 2 locks held by syz-executor0/4443: [ 35.807095] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 35.807109] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x90d/0xbd0 [ 35.807110] [ 35.807110] stack backtrace: [ 35.807117] CPU: 0 PID: 4443 Comm: syz-executor0 Not tainted 4.9.93-g2ba4887 #2 [ 35.807120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.807130] ffff8801b78ef480 ffffffff81d9aa29 ffffffff85372ef0 ffffffff85372ef0 [ 35.807138] ffffffff85372ef0 ffff8801d6a7d0e0 328acf8b44543ca2 ffff8801b78ef640 [ 35.807145] ffffffff814250bf ffffffff84c6ec60 ffffffff84fc2540 ffffffff84c6ec64 [ 35.807147] Call Trace: [ 35.807157] [] dump_stack+0xc1/0x128 [ 35.807167] [] __lock_acquire.cold.59+0x166/0x5f8 [ 35.807176] [] ? debug_check_no_locks_freed+0x210/0x210 [ 35.807182] [] ? __lock_is_held+0xa2/0xf0 [ 35.807189] [] lock_acquire+0x130/0x3e0 [ 35.807195] [] ? rtnl_lock+0x17/0x20 [ 35.807201] [] ? rtnl_lock+0x17/0x20 [ 35.807209] [] mutex_lock_nested+0xc0/0x870 [ 35.807215] [] ? rtnl_lock+0x17/0x20 [ 35.807221] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.807228] [] ? qtaguid_untag+0x41a/0x620 [ 35.807234] [] ? mutex_trylock+0x3e0/0x3e0 [ 35.807241] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 35.807247] [] ? qtaguid_untag+0x31e/0x620 [ 35.807252] [] ? __lock_is_held+0xa2/0xf0 [ 35.807258] [] rtnl_lock+0x17/0x20 [ 35.807266] [] ip_mc_drop_socket+0x8c/0x230 [ 35.807272] [] inet_release+0x5b/0x1d0 [ 35.807280] [] sock_release+0x96/0x1c0 [ 35.807286] [] start_sync_thread+0xa0e/0x1ea0 [ 35.807293] [] ? ip_vs_proc_sync_conn+0x952/0x952 [ 35.807299] [] ? ip_vs_sync_conn+0x2a90/0x2a90 [ 35.807305] [] ? mark_held_locks+0xc7/0x130 [ 35.807310] [] ? mutex_lock_nested+0x572/0x870 [ 35.807316] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.807323] [] ? mutex_lock_nested+0x596/0x870 [ 35.807328] [] ? do_ip_vs_set_ctl+0x90d/0xbd0 [ 35.807334] [] ? mutex_trylock+0x3e0/0x3e0 [ 35.807340] [] ? memcpy+0x45/0x50 [ 35.807345] [] do_ip_vs_set_ctl+0x91f/0xbd0 [ 35.807351] [] ? ip_vs_genl_set_cmd+0x9c0/0x9c0 [ 35.807358] [] ? mutex_lock_nested+0x572/0x870 [ 35.807365] [] ? __mutex_unlock_slowpath+0x221/0x3c0 [ 35.807372] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 35.807378] [] ? sock_has_perm+0x292/0x3e0 [ 35.807384] [] ? mutex_unlock+0x9/0x10 [ 35.807393] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 35.807399] [] nf_setsockopt+0x6d/0xc0 [ 35.807406] [] ip_setsockopt+0x9a/0xb0 [ 35.807413] [] tcp_setsockopt+0x88/0xe0 [ 35.807420] [] sock_common_setsockopt+0x9a/0xe0 [ 35.807425] [] SyS_setsockopt+0x166/0x260 [ 35.807430] [] ? SyS_recv+0x40/0x40 [ 35.807436] [] ? move_addr_to_kernel+0x50/0x50 [ 35.807443] [] ? do_syscall_64+0x48/0x490 [ 35.807447] [] ? SyS_recv+0x40/0x40 [ 35.807453] [] do_syscall_64+0x1a6/0x490 [ 35.807460] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb