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 '10.128.0.56' (ECDSA) to the list of known hosts. 2018/04/14 16:42:39 parsed 1 programs 2018/04/14 16:42:39 executed programs: 0 syzkaller login: [ 28.594016] IPVS: Creating netns size=2536 id=1 [ 28.654499] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.654750] IPVS: stopping backup sync thread 3783 ... [ 28.670535] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.713255] IPVS: stopping backup sync thread 3785 ... [ 28.720657] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.763687] IPVS: stopping backup sync thread 3789 ... [ 28.770836] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.843310] IPVS: stopping backup sync thread 3794 ... [ 28.850539] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.903502] IPVS: stopping backup sync thread 3798 ... [ 28.910666] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 28.973585] IPVS: stopping backup sync thread 3803 ... [ 28.980820] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.023496] IPVS: stopping backup sync thread 3807 ... [ 29.030628] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.083234] IPVS: stopping backup sync thread 3812 ... [ 29.090437] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.143686] IPVS: stopping backup sync thread 3816 ... [ 29.150927] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.151854] IPVS: stopping backup sync thread 3821 ... [ 29.223591] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.231549] IPVS: stopping backup sync thread 3825 ... [ 29.239055] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.303514] IPVS: stopping backup sync thread 3827 ... [ 29.310669] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.363415] IPVS: stopping backup sync thread 3831 ... [ 29.370564] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.371494] IPVS: stopping backup sync thread 3836 ... [ 29.443408] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.444112] IPVS: stopping backup sync thread 3839 ... [ 29.458873] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.503499] IPVS: stopping backup sync thread 3841 ... [ 29.510730] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.511642] IPVS: stopping backup sync thread 3846 ... [ 29.563652] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.564361] IPVS: stopping backup sync thread 3849 ... [ 29.579099] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.623745] IPVS: stopping backup sync thread 3851 ... [ 29.630968] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.631860] IPVS: stopping backup sync thread 3856 ... [ 29.693561] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.694331] IPVS: stopping backup sync thread 3859 ... [ 29.709030] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.753586] IPVS: stopping backup sync thread 3861 ... [ 29.760822] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.833281] IPVS: stopping backup sync thread 3866 ... [ 29.840438] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.883489] IPVS: stopping backup sync thread 3870 ... [ 29.890643] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.943200] IPVS: stopping backup sync thread 3875 ... [ 29.950388] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.003687] IPVS: stopping backup sync thread 3879 ... [ 30.010848] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.083737] IPVS: stopping backup sync thread 3884 ... [ 30.090919] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.143622] IPVS: stopping backup sync thread 3889 ... [ 30.150772] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.233329] IPVS: stopping backup sync thread 3894 ... [ 30.240528] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.283695] IPVS: stopping backup sync thread 3898 ... [ 30.290866] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.291790] IPVS: stopping backup sync thread 3903 ... [ 30.354163] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.361520] IPVS: stopping backup sync thread 3907 ... [ 30.369650] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.433807] IPVS: stopping backup sync thread 3909 ... [ 30.440987] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.533861] IPVS: stopping backup sync thread 3914 ... [ 30.541045] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.603792] IPVS: stopping backup sync thread 3920 ... [ 30.610989] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.693806] IPVS: stopping backup sync thread 3925 ... [ 30.701004] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.753465] IPVS: stopping backup sync thread 3930 ... [ 30.760750] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.813773] IPVS: stopping backup sync thread 3934 ... [ 30.820931] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.893351] IPVS: stopping backup sync thread 3939 ... [ 30.900556] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.953431] IPVS: stopping backup sync thread 3943 ... [ 30.960654] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 30.961562] IPVS: stopping backup sync thread 3948 ... [ 31.033297] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.034049] IPVS: stopping backup sync thread 3951 ... [ 31.048811] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.093364] IPVS: stopping backup sync thread 3953 ... [ 31.100611] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.101585] IPVS: stopping backup sync thread 3958 ... [ 31.173378] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.174109] IPVS: stopping backup sync thread 3961 ... [ 31.188904] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.233575] IPVS: stopping backup sync thread 3963 ... [ 31.240775] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.241700] IPVS: stopping backup sync thread 3968 ... [ 31.313525] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.314183] IPVS: stopping backup sync thread 3971 ... [ 31.329093] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.373398] IPVS: stopping backup sync thread 3973 ... [ 31.380625] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.381553] IPVS: stopping backup sync thread 3978 ... [ 31.453365] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.454006] IPVS: stopping backup sync thread 3981 ... [ 31.468928] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.513526] IPVS: stopping backup sync thread 3983 ... [ 31.520760] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.521690] IPVS: stopping backup sync thread 3988 ... [ 31.593398] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.594098] IPVS: stopping backup sync thread 3991 ... [ 31.608901] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.653380] IPVS: stopping backup sync thread 3993 ... [ 31.660609] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.661528] IPVS: stopping backup sync thread 3998 ... [ 31.723682] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.731376] IPVS: stopping backup sync thread 4001 ... [ 31.739291] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.783644] IPVS: stopping backup sync thread 4003 ... [ 31.791068] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.791997] IPVS: stopping backup sync thread 4008 ... [ 31.853512] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.854262] IPVS: stopping backup sync thread 4011 ... [ 31.868958] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.913933] IPVS: stopping backup sync thread 4013 ... [ 31.921155] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.922068] IPVS: stopping backup sync thread 4018 ... [ 31.993330] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 31.994048] IPVS: stopping backup sync thread 4021 ... [ 32.008865] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.053564] IPVS: stopping backup sync thread 4023 ... [ 32.060782] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.061700] IPVS: stopping backup sync thread 4028 ... [ 32.113654] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.114232] IPVS: stopping backup sync thread 4031 ... [ 32.129109] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.173892] IPVS: stopping backup sync thread 4033 ... [ 32.181101] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.182002] IPVS: stopping backup sync thread 4038 ... [ 32.253388] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.254125] IPVS: stopping backup sync thread 4041 ... [ 32.268811] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.313790] IPVS: stopping backup sync thread 4043 ... [ 32.320983] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.321921] IPVS: stopping backup sync thread 4048 ... [ 32.383575] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.384341] IPVS: stopping backup sync thread 4051 ... [ 32.399149] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.443758] IPVS: stopping backup sync thread 4053 ... [ 32.451017] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.451941] IPVS: stopping backup sync thread 4058 ... [ 32.523421] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.524182] IPVS: stopping backup sync thread 4061 ... [ 32.538943] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.583338] IPVS: stopping backup sync thread 4063 ... [ 32.590535] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.591447] IPVS: stopping backup sync thread 4068 ... [ 32.663525] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.671486] IPVS: stopping backup sync thread 4071 ... [ 32.679400] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.723621] IPVS: stopping backup sync thread 4073 ... [ 32.730823] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.731738] IPVS: stopping backup sync thread 4078 ... [ 32.803308] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.804063] IPVS: stopping backup sync thread 4081 ... [ 32.818772] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.863478] IPVS: stopping backup sync thread 4083 ... [ 32.870733] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.871655] IPVS: stopping backup sync thread 4088 ... [ 32.933390] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.934116] IPVS: stopping backup sync thread 4091 ... [ 32.948875] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.993467] IPVS: stopping backup sync thread 4093 ... [ 33.000704] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.001625] IPVS: stopping backup sync thread 4098 ... [ 33.073318] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.074056] IPVS: stopping backup sync thread 4101 ... [ 33.088801] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.133601] IPVS: stopping backup sync thread 4103 ... [ 33.140869] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.141786] IPVS: stopping backup sync thread 4108 ... [ 33.213476] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.214100] IPVS: stopping backup sync thread 4111 ... [ 33.228924] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.274318] IPVS: stopping backup sync thread 4113 ... [ 33.282019] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.353302] IPVS: stopping backup sync thread 4118 ... [ 33.360501] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.413732] IPVS: stopping backup sync thread 4122 ... [ 33.420898] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.493290] IPVS: stopping backup sync thread 4127 ... [ 33.500547] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.553787] IPVS: stopping backup sync thread 4131 ... [ 33.560934] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 2018/04/14 16:42:44 executed programs: 74 [ 33.623262] IPVS: stopping backup sync thread 4136 ... [ 33.630422] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.673362] IPVS: stopping backup sync thread 4140 ... [ 33.680563] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.681699] IPVS: stopping backup sync thread 4146 ... [ 33.733526] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.734154] IPVS: stopping backup sync thread 4149 ... [ 33.749060] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.793890] IPVS: stopping backup sync thread 4151 ... [ 33.801210] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.802127] IPVS: stopping backup sync thread 4156 ... [ 33.863427] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.864058] IPVS: stopping backup sync thread 4159 ... [ 33.879152] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.923789] IPVS: stopping backup sync thread 4161 ... [ 33.930986] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 33.931908] IPVS: stopping backup sync thread 4166 ... [ 34.003467] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.011501] IPVS: stopping backup sync thread 4169 ... [ 34.019141] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.063422] IPVS: stopping backup sync thread 4171 ... [ 34.070616] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.071654] IPVS: stopping backup sync thread 4176 ... [ 34.143559] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.144185] IPVS: stopping backup sync thread 4179 ... [ 34.159061] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.203368] IPVS: stopping backup sync thread 4181 ... [ 34.210583] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.211532] IPVS: stopping backup sync thread 4186 ... [ 34.283397] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.291489] IPVS: stopping backup sync thread 4189 ... [ 34.299021] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.343800] IPVS: stopping backup sync thread 4191 ... [ 34.351033] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.433335] IPVS: stopping backup sync thread 4196 ... [ 34.440566] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.483433] IPVS: stopping backup sync thread 4200 ... [ 34.490631] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.491588] IPVS: stopping backup sync thread 4205 ... [ 34.543938] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.551529] IPVS: stopping backup sync thread 4209 ... [ 34.559413] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.613286] IPVS: stopping backup sync thread 4211 ... [ 34.620523] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.663512] IPVS: stopping backup sync thread 4215 ... [ 34.670717] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 34.735132] IPVS: stopping backup sync thread 4220 ... [ 34.750209] [ 34.751884] ============================================= [ 34.757405] [ INFO: possible recursive locking detected ] [ 34.762926] 4.9.93-g2ba4887 #2 Not tainted [ 34.767143] --------------------------------------------- [ 34.772663] syz-executor0/4224 is trying to acquire lock: [ 34.778176] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 34.786013] but task is already holding lock: [ 34.790656] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 34.798461] other info that might help us debug this: [ 34.803805] Possible unsafe locking scenario: [ 34.803805] [ 34.809838] CPU0 [ 34.812395] ---- [ 34.814949] lock(rtnl_mutex); [ 34.818444] lock(rtnl_mutex); [ 34.821933] [ 34.821933] *** DEADLOCK *** [ 34.821933] [ 34.827973] May be due to missing lock nesting notation [ 34.827973] [ 34.834884] 2 locks held by syz-executor0/4224: [ 34.839525] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 34.847882] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x90d/0xbd0 [ 34.857526] [ 34.857526] stack backtrace: [ 34.862010] CPU: 1 PID: 4224 Comm: syz-executor0 Not tainted 4.9.93-g2ba4887 #2 [ 34.869427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.878756] ffff8801b750f470 ffffffff81d9aa29 ffffffff853730a0 ffffffff853730a0 [ 34.886757] ffffffff853730a0 ffff8801d7e138e0 957a330be9dd4e8d ffff8801b750f630 [ 34.894742] ffffffff814250bf ffffffff84c6ec60 ffffffff84fc1a58 ffffffff84c6ec64 [ 34.902726] Call Trace: [ 34.905301] [] dump_stack+0xc1/0x128 [ 34.910651] [] __lock_acquire.cold.59+0x166/0x5f8 [ 34.917133] [] ? debug_check_no_locks_freed+0x210/0x210 [ 34.924132] [] ? __lock_is_held+0xa2/0xf0 [ 34.929907] [] lock_acquire+0x130/0x3e0 [ 34.935519] [] ? rtnl_lock+0x17/0x20 [ 34.940857] [] ? rtnl_lock+0x17/0x20 [ 34.946206] [] mutex_lock_nested+0xc0/0x870 [ 34.952153] [] ? rtnl_lock+0x17/0x20 [ 34.957492] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.964313] [] ? qtaguid_untag+0x41a/0x620 [ 34.970172] [] ? mutex_trylock+0x3e0/0x3e0 [ 34.976045] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 34.982252] [] ? qtaguid_untag+0x31e/0x620 [ 34.988112] [] ? __lock_is_held+0xa2/0xf0 [ 34.993885] [] rtnl_lock+0x17/0x20 [ 34.999049] [] ip_mc_drop_socket+0x8c/0x230 [ 35.005004] [] inet_release+0x5b/0x1d0 [ 35.010517] [] sock_release+0x96/0x1c0 [ 35.016027] [] start_sync_thread+0xa0e/0x1ea0 [ 35.022148] [] ? ip_vs_proc_sync_conn+0x952/0x952 [ 35.028626] [] ? ip_vs_sync_conn+0x2a90/0x2a90 [ 35.034835] [] ? mark_held_locks+0xc7/0x130 [ 35.040809] [] ? mutex_lock_nested+0x572/0x870 [ 35.047028] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.053842] [] ? mutex_lock_nested+0x596/0x870 [ 35.060147] [] ? do_ip_vs_set_ctl+0x90d/0xbd0 [ 35.066275] [] ? mutex_trylock+0x3e0/0x3e0 [ 35.072134] [] ? memcpy+0x45/0x50 [ 35.077208] [] do_ip_vs_set_ctl+0x91f/0xbd0 [ 35.083155] [] ? depot_save_stack+0x132/0x460 [ 35.089282] [] ? get_futex_key+0x1090/0x1090 [ 35.095315] [] ? ip_vs_genl_set_cmd+0x9c0/0x9c0 [ 35.101616] [] ? mutex_lock_nested+0x572/0x870 [ 35.107838] [] ? __mutex_unlock_slowpath+0x221/0x3c0 [ 35.114582] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 35.120804] [] ? sock_has_perm+0x1c2/0x3e0 [ 35.126664] [] ? mutex_unlock+0x9/0x10 [ 35.132189] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 35.139291] [] compat_nf_setsockopt+0x10d/0x130 [ 35.145585] [] compat_ip_setsockopt+0xa7/0xe0 [ 35.151704] [] inet_csk_compat_setsockopt+0x97/0x120 [ 35.158444] [] ? ip_setsockopt+0xb0/0xb0 [ 35.164142] [] compat_tcp_setsockopt+0x3d/0x70 [ 35.170349] [] compat_sock_common_setsockopt+0xb4/0x150 [ 35.177336] [] ? tcp_setsockopt+0xe0/0xe0 [ 35.183108] [] compat_SyS_setsockopt+0x14c/0x2a0 [ 35.189509] [] ? sock_common_setsockopt+0xe0/0xe0 [ 35.195976] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 35.202528] [] ? do_fast_syscall_32+0xcf/0x870 [ 35.208730] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 35.215279] [] do_fast_syscall_32+0x2f7/0x870 [ 35.221399] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.228054] [] entry_SYSENTER_compat+0x90/0xa2