[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   13.285336] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   14.046074] random: sshd: uninitialized urandom read (32 bytes read)
[   14.284273] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   15.054771] random: sshd: uninitialized urandom read (32 bytes read)
[   80.140388] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts.
[   85.601508] random: sshd: uninitialized urandom read (32 bytes read)
2018/05/02 16:21:30 parsed 1 programs
2018/05/02 16:21:30 executed programs: 0
[   86.032726] IPVS: Creating netns size=2536 id=1
[   86.054170] IPVS: Creating netns size=2536 id=2
[   86.078688] IPVS: Creating netns size=2536 id=3
[   86.079226] IPVS: stopping backup sync thread 3749 ...
[   86.079336] IPVS: Unknown mcast interface: veth0
[   86.079818] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.079830] IPVS: stopping backup sync thread 3751 ...
[   86.081132] IPVS: Unknown mcast interface: veth0
[   86.093182] IPVS: stopping backup sync thread 3755 ...
[   86.093235] IPVS: Unknown mcast interface: veth0
[   86.093847] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.094105] IPVS: stopping backup sync thread 3757 ...
[   86.095350] IPVS: Unknown mcast interface: veth0
[   86.116930] IPVS: stopping backup sync thread 3765 ...
[   86.116983] IPVS: Unknown mcast interface: veth0
[   86.117465] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.117493] IPVS: stopping backup sync thread 3767 ...
[   86.118712] IPVS: Unknown mcast interface: veth0
[   86.128242] IPVS: stopping backup sync thread 3771 ...
[   86.128536] IPVS: Unknown mcast interface: veth0
[   86.128927] IPVS: stopping backup sync thread 3773 ...
[   86.129052] IPVS: Unknown mcast interface: veth0
[   86.129430] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.129460] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.129481] IPVS: stopping backup sync thread 3777 ...
[   86.129643] IPVS: stopping backup sync thread 3775 ...
[   86.130718] IPVS: Unknown mcast interface: veth0
[   86.130832] IPVS: Unknown mcast interface: veth0
[   86.143578] IPVS: stopping backup sync thread 3782 ...
[   86.143656] IPVS: Unknown mcast interface: veth0
[   86.144204] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.144235] IPVS: stopping backup sync thread 3784 ...
[   86.145754] IPVS: Unknown mcast interface: veth0
[   86.153266] IPVS: stopping backup sync thread 3788 ...
[   86.153354] IPVS: Unknown mcast interface: veth0
[   86.153822] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.153850] IPVS: stopping backup sync thread 3790 ...
[   86.155484] IPVS: Unknown mcast interface: veth0
[   86.155541] IPVS: stopping backup sync thread 3792 ...
[   86.155593] IPVS: Unknown mcast interface: veth0
[   86.156022] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.156042] IPVS: stopping backup sync thread 3794 ...
[   86.157367] IPVS: Unknown mcast interface: veth0
[   86.162726] IPVS: stopping backup sync thread 3797 ...
[   86.162780] IPVS: Unknown mcast interface: veth0
[   86.163257] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.163281] IPVS: stopping backup sync thread 3799 ...
[   86.165558] IPVS: Unknown mcast interface: veth0
[   86.178109] IPVS: stopping backup sync thread 3804 ...
[   86.178163] IPVS: Unknown mcast interface: veth0
[   86.178576] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.178601] IPVS: stopping backup sync thread 3806 ...
[   86.179815] IPVS: Unknown mcast interface: veth0
[   86.391250] IPVS: Creating netns size=2536 id=4
[   86.402385] IPVS: Creating netns size=2536 id=5
[   86.420790] IPVS: stopping backup sync thread 3818 ...
[   86.424780] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.426548] IPVS: Creating netns size=2536 id=6
[   86.439399] IPVS: Unknown mcast interface: veth0
[   86.444787] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.444800] IPVS: stopping backup sync thread 3823 ...
[   86.458878] IPVS: Creating netns size=2536 id=7
[   86.459925] IPVS: Unknown mcast interface: veth0
[   86.465596] IPVS: stopping backup sync thread 3829 ...
[   86.465657] IPVS: Unknown mcast interface: veth0
[   86.466111] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.466133] IPVS: stopping backup sync thread 3831 ...
[   86.471182] IPVS: Unknown mcast interface: veth0
[   86.482487] IPVS: stopping backup sync thread 3840 ...
[   86.482552] IPVS: Unknown mcast interface: veth0
[   86.483001] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.483033] IPVS: stopping backup sync thread 3842 ...
[   86.484291] IPVS: Unknown mcast interface: veth0
[   86.498959] IPVS: stopping backup sync thread 3847 ...
[   86.499013] IPVS: Unknown mcast interface: veth0
[   86.499446] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.499551] IPVS: stopping backup sync thread 3849 ...
[   86.506037] IPVS: Unknown mcast interface: veth0
[   86.524564] IPVS: stopping backup sync thread 3862 ...
[   86.526055] IPVS: stopping backup sync thread 3866 ...
[   86.526114] IPVS: Unknown mcast interface: veth0
[   86.526588] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.526612] IPVS: stopping backup sync thread 3868 ...
[   86.526882] IPVS: stopping backup sync thread 3869 ...
[   86.526936] IPVS: Unknown mcast interface: veth0
[   86.527482] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.527505] IPVS: stopping backup sync thread 3871 ...
[   86.527947] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.527996] IPVS: Unknown mcast interface: veth0
[   86.528323] IPVS: stopping backup sync thread 3873 ...
[   86.528806] IPVS: Unknown mcast interface: veth0
[   86.528933] IPVS: stopping backup sync thread 3874 ...
[   86.529128] IPVS: Unknown mcast interface: veth0
[   86.529146] IPVS: Unknown mcast interface: veth0
[   86.529174] IPVS: Unknown mcast interface: veth0
[   86.530045] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.530204] IPVS: Unknown mcast interface: veth0
[   86.532866] IPVS: stopping backup sync thread 3878 ...
[   86.533543] IPVS: stopping backup sync thread 3872 ...
[   86.541828] IPVS: Unknown mcast interface: veth0
[   86.541868] IPVS: Unknown mcast interface: veth0
[   86.545977] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.546031] IPVS: Unknown mcast interface: veth0
[   86.549324] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.549332] IPVS: stopping backup sync thread 3887 ...
[   86.550582] IPVS: Unknown mcast interface: veth0
[   86.749044] IPVS: Creating netns size=2536 id=8
[   86.779993] IPVS: stopping backup sync thread 3897 ...
[   86.783507] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.795743] IPVS: Unknown mcast interface: veth0
[   86.800781] IPVS: stopping backup sync thread 3904 ...
[   86.801005] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.801018] IPVS: stopping backup sync thread 3906 ...
[   86.801906] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.802305] IPVS: Unknown mcast interface: veth0
[   86.833950] IPVS: Unknown mcast interface: veth0
[   86.839275] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.839282] IPVS: stopping backup sync thread 3909 ...
[   86.854310] IPVS: Unknown mcast interface: veth0
[   86.865940] IPVS: stopping backup sync thread 3880 ...
[   86.870268] IPVS: stopping backup sync thread 3927 ...
[   86.870428] IPVS: stopping backup sync thread 3876 ...
[   86.870744] IPVS: stopping backup sync thread 3928 ...
[   86.871089] IPVS: Unknown mcast interface: veth0
[   86.871278] IPVS: Unknown mcast interface: veth0
[   86.871639] IPVS: Unknown mcast interface: veth0
[   86.872284] IPVS: stopping backup sync thread 3929 ...
[   86.873735] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.873892] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.874048] IPVS: stopping backup sync thread 3936 ...
[   86.874177] IPVS: Unknown mcast interface: veth0
[   86.874414] IPVS: stopping backup sync thread 3935 ...
[   86.874438] IPVS: stopping backup sync thread 3932 ...
[   86.874733] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.874774] IPVS: Unknown mcast interface: veth0
[   86.874868] IPVS: Unknown mcast interface: veth0
[   86.874934] IPVS: stopping backup sync thread 3938 ...
[   86.875407] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.875420] IPVS: stopping backup sync thread 3941 ...
[   86.875842] IPVS: stopping backup sync thread 3942 ...
[   86.877626] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.877642] IPVS: Unknown mcast interface: veth0
[   86.878045] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.878051] IPVS: stopping backup sync thread 3945 ...
[   86.878257] IPVS: Unknown mcast interface: veth0
[   86.878852] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.878874] IPVS: Unknown mcast interface: veth0
[   86.878896] IPVS: Unknown mcast interface: veth0
[   86.878916] IPVS: stopping backup sync thread 3947 ...
[   86.879294] IPVS: Unknown mcast interface: veth0
[   86.880164] IPVS: Unknown mcast interface: veth0
[   86.881282] IPVS: Unknown mcast interface: veth0
[   86.882458] IPVS: Unknown mcast interface: veth0
[   86.912612] IPVS: stopping backup sync thread 3960 ...
[   86.915480] IPVS: stopping backup sync thread 3971 ...
[   86.917606] IPVS: stopping backup sync thread 3974 ...
[   86.917869] IPVS: Unknown mcast interface: veth0
[   86.917979] IPVS: stopping backup sync thread 3975 ...
[   86.918493] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.918506] IPVS: stopping backup sync thread 3977 ...
[   86.918793] IPVS: stopping backup sync thread 3943 ...
[   86.918854] IPVS: Unknown mcast interface: veth0
[   86.918927] IPVS: Unknown mcast interface: veth0
[   86.918963] IPVS: Unknown mcast interface: veth0
[   86.919182] IPVS: Unknown mcast interface: veth0
[   86.919276] IPVS: stopping backup sync thread 3937 ...
[   86.919403] IPVS: stopping backup sync thread 3978 ...
[   86.919732] IPVS: Unknown mcast interface: veth0
[   86.920757] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.920885] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.921008] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.921040] IPVS: Unknown mcast interface: veth0
[   86.923158] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.923222] IPVS: Unknown mcast interface: veth0
[   86.923234] IPVS: Unknown mcast interface: veth0
[   86.923613] IPVS: stopping backup sync thread 3988 ...
[   86.923740] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.923746] IPVS: stopping backup sync thread 3990 ...
[   86.923876] IPVS: stopping backup sync thread 3985 ...
[   86.924001] IPVS: stopping backup sync thread 3983 ...
[   86.924124] IPVS: stopping backup sync thread 3984 ...
[   86.925118] IPVS: Unknown mcast interface: veth0
[   86.925186] IPVS: Unknown mcast interface: veth0
[   86.925201] IPVS: Unknown mcast interface: veth0
[   86.925239] IPVS: Unknown mcast interface: veth0
[   86.930127] IPVS: stopping backup sync thread 3994 ...
[   86.931525] IPVS: Unknown mcast interface: veth0
[   86.932687] IPVS: Unknown mcast interface: veth0
[   86.933466] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.933480] IPVS: stopping backup sync thread 3996 ...
[   86.935850] IPVS: Unknown mcast interface: veth0
[   86.948549] IPVS: stopping backup sync thread 4005 ...
[   86.956333] IPVS: stopping backup sync thread 4012 ...
[   86.959646] IPVS: Unknown mcast interface: veth0
[   86.959765] IPVS: stopping backup sync thread 4016 ...
[   86.960333] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.960340] IPVS: stopping backup sync thread 4018 ...
[   86.960393] IPVS: Unknown mcast interface: veth0
[   86.960447] IPVS: Unknown mcast interface: veth0
[   86.960564] IPVS: stopping backup sync thread 3986 ...
[   86.960750] IPVS: Unknown mcast interface: veth0
[   86.961679] IPVS: stopping backup sync thread 4019 ...
[   86.962077] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.962196] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.962228] IPVS: Unknown mcast interface: veth0
[   86.963640] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.963678] IPVS: Unknown mcast interface: veth0
[   86.963691] IPVS: Unknown mcast interface: veth0
[   86.963703] IPVS: Unknown mcast interface: veth0
[   86.963713] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   86.963727] IPVS: stopping backup sync thread 4027 ...
[   86.963929] IPVS: stopping backup sync thread 4024 ...
[   86.965602] IPVS: Unknown mcast interface: veth0
[   86.965628] IPVS: Unknown mcast interface: veth0
[   87.485012] IPVS: Unknown mcast interface: veth0
[   87.490343] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.492859] IPVS: stopping backup sync thread 4033 ...
[   87.505418] IPVS: Unknown mcast interface: veth0
[   87.519512] IPVS: stopping backup sync thread 4052 ...
[   87.522939] IPVS: stopping backup sync thread 4054 ...
[   87.523000] IPVS: Unknown mcast interface: veth0
[   87.523535] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.523560] IPVS: stopping backup sync thread 4056 ...
[   87.524298] IPVS: stopping backup sync thread 4025 ...
[   87.524421] IPVS: Unknown mcast interface: veth0
[   87.524915] IPVS: stopping backup sync thread 4057 ...
[   87.525002] IPVS: stopping backup sync thread 4022 ...
[   87.525018] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.525184] IPVS: stopping backup sync thread 4059 ...
[   87.525237] IPVS: Unknown mcast interface: veth0
[   87.525727] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.525751] IPVS: stopping backup sync thread 4061 ...
[   87.526035] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.526075] IPVS: stopping backup sync thread 4062 ...
[   87.526198] IPVS: Unknown mcast interface: veth0
[   87.526252] IPVS: Unknown mcast interface: veth0
[   87.526727] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.526754] IPVS: stopping backup sync thread 4064 ...
[   87.527257] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.527319] IPVS: Unknown mcast interface: veth0
[   87.527513] IPVS: Unknown mcast interface: veth0
[   87.527568] IPVS: stopping backup sync thread 4066 ...
[   87.527624] IPVS: Unknown mcast interface: veth0
[   87.528231] IPVS: Unknown mcast interface: veth0
[   87.528302] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.528324] IPVS: stopping backup sync thread 4068 ...
[   87.528484] IPVS: Unknown mcast interface: veth0
[   87.531648] IPVS: Unknown mcast interface: veth0
[   87.531796] IPVS: stopping backup sync thread 4065 ...
[   87.534561] IPVS: Unknown mcast interface: veth0
[   87.541460] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.542996] IPVS: stopping backup sync thread 4081 ...
[   87.543600] IPVS: stopping backup sync thread 4075 ...
[   87.544823] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.544834] IPVS: Unknown mcast interface: veth0
[   87.544888] IPVS: stopping backup sync thread 4083 ...
[   87.546526] IPVS: stopping backup sync thread 4085 ...
[   87.546644] IPVS: Unknown mcast interface: veth0
[   87.546911] IPVS: Unknown mcast interface: veth0
[   87.547218] IPVS: stopping backup sync thread 4086 ...
[   87.548240] IPVS: Unknown mcast interface: veth0
[   87.556908] IPVS: stopping backup sync thread 4089 ...
[   87.565527] IPVS: Unknown mcast interface: veth0
[   87.565558] IPVS: Unknown mcast interface: veth0
[   87.566053] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.567073] IPVS: Unknown mcast interface: veth0
[   87.567136] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.567156] IPVS: stopping backup sync thread 4104 ...
[   87.568391] IPVS: Unknown mcast interface: veth0
[   87.569098] IPVS: stopping backup sync thread 4105 ...
[   87.569156] IPVS: Unknown mcast interface: veth0
[   87.569631] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.569646] IPVS: stopping backup sync thread 4107 ...
[   87.573417] IPVS: stopping backup sync thread 4110 ...
[   87.573810] IPVS: Unknown mcast interface: veth0
[   87.576465] IPVS: Unknown mcast interface: veth0
[   87.582497] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.585056] IPVS: stopping backup sync thread 4116 ...
[   87.587102] IPVS: stopping backup sync thread 4115 ...
[   87.587778] IPVS: Unknown mcast interface: veth0
[   87.588220] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.588349] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.588504] IPVS: stopping backup sync thread 4123 ...
[   87.588753] IPVS: Unknown mcast interface: veth0
[   87.588879] IPVS: stopping backup sync thread 4124 ...
[   87.589328] IPVS: Unknown mcast interface: veth0
[   87.589696] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.589703] IPVS: stopping backup sync thread 4126 ...
[   87.589917] IPVS: Unknown mcast interface: veth0
[   87.589975] IPVS: stopping backup sync thread 4128 ...
[   87.589982] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.590102] IPVS: stopping backup sync thread 4122 ...
[   87.590261] IPVS: stopping backup sync thread 4119 ...
[   87.590395] IPVS: Unknown mcast interface: veth0
[   87.590808] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   87.590814] IPVS: stopping backup sync thread 4130 ...
[   87.590960] IPVS: Unknown mcast interface: veth0
[   87.591171] IPVS: Unknown mcast interface: veth0
[   87.591297] IPVS: Unknown mcast interface: veth0
[   87.592039] IPVS: Unknown mcast interface: veth0
[   88.053222] IPVS: Unknown mcast interface: veth0
[   88.058539] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.058546] IPVS: stopping backup sync thread 4136 ...
[   88.073488] IPVS: Unknown mcast interface: veth0
[   88.090966] IPVS: stopping backup sync thread 4153 ...
[   88.095434] IPVS: stopping backup sync thread 4099 ...
[   88.095464] IPVS: stopping backup sync thread 4157 ...
[   88.095551] IPVS: Unknown mcast interface: veth0
[   88.096232] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.096243] IPVS: stopping backup sync thread 4159 ...
[   88.096525] IPVS: Unknown mcast interface: veth0
[   88.096725] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.097700] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.097761] IPVS: stopping backup sync thread 4160 ...
[   88.097894] IPVS: Unknown mcast interface: veth0
[   88.098564] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.098595] IPVS: stopping backup sync thread 4163 ...
[   88.099130] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.099411] IPVS: stopping backup sync thread 4165 ...
[   88.099647] IPVS: stopping backup sync thread 4166 ...
[   88.099727] IPVS: Unknown mcast interface: veth0
[   88.099943] IPVS: Unknown mcast interface: veth0
[   88.100770] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.100810] IPVS: stopping backup sync thread 4169 ...
[   88.101704] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.101753] IPVS: Unknown mcast interface: veth0
[   88.101777] IPVS: Unknown mcast interface: veth0
[   88.101832] IPVS: Unknown mcast interface: veth0
[   88.102217] IPVS: stopping backup sync thread 4164 ...
[   88.102273] IPVS: stopping backup sync thread 4171 ...
[   88.103520] IPVS: Unknown mcast interface: veth0
[   88.109453] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.109720] IPVS: Unknown mcast interface: veth0
[   88.111956] IPVS: Unknown mcast interface: veth0
[   88.117536] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.117546] IPVS: stopping backup sync thread 4176 ...
[   88.120146] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.124012] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.130591] IPVS: stopping backup sync thread 4179 ...
[   88.133877] IPVS: Unknown mcast interface: veth0
[   88.133930] IPVS: Unknown mcast interface: veth0
[   88.134304] IPVS: stopping backup sync thread 4189 ...
[   88.136470] IPVS: stopping backup sync thread 4194 ...
[   88.136538] IPVS: stopping backup sync thread 4172 ...
[   88.136722] IPVS: Unknown mcast interface: veth0
[   88.138890] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.139026] IPVS: Unknown mcast interface: veth0
[   88.139192] IPVS: stopping backup sync thread 4198 ...
[   88.139697] IPVS: stopping backup sync thread 4196 ...
[   88.139766] IPVS: Unknown mcast interface: veth0
[   88.139967] IPVS: Unknown mcast interface: veth0
[   88.140894] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.140944] IPVS: Unknown mcast interface: veth0
[   88.140960] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.140991] IPVS: stopping backup sync thread 4202 ...
[   88.141236] IPVS: Unknown mcast interface: veth0
[   88.143529] IPVS: Unknown mcast interface: veth0
[   88.143653] IPVS: Unknown mcast interface: veth0
[   88.162712] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.171251] IPVS: stopping backup sync thread 4200 ...
[   88.172814] IPVS: Unknown mcast interface: veth0
[   88.173712] IPVS: Unknown mcast interface: veth0
[   88.173753] IPVS: stopping backup sync thread 4204 ...
[   88.186537] IPVS: stopping backup sync thread 4223 ...
[   88.192111] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.192811] IPVS: stopping backup sync thread 4228 ...
[   88.194336] IPVS: stopping backup sync thread 4229 ...
[   88.194662] IPVS: stopping backup sync thread 4230 ...
[   88.194892] IPVS: stopping backup sync thread 4231 ...
[   88.194973] IPVS: Unknown mcast interface: veth0
[   88.195628] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.195637] IPVS: stopping backup sync thread 4233 ...
[   88.195853] IPVS: Unknown mcast interface: veth0
[   88.196616] IPVS: Unknown mcast interface: veth0
[   88.196986] IPVS: stopping backup sync thread 4234 ...
[   88.197543] IPVS: Unknown mcast interface: veth0
[   88.197837] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.197887] IPVS: Unknown mcast interface: veth0
[   88.197913] IPVS: Unknown mcast interface: veth0
[   88.198542] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.198588] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.198605] IPVS: stopping backup sync thread 4240 ...
[   88.198795] IPVS: stopping backup sync thread 4238 ...
[   88.199147] IPVS: stopping backup sync thread 4185 ...
[   88.199333] IPVS: Unknown mcast interface: veth0
[   88.200688] IPVS: Unknown mcast interface: veth0
[   88.200744] IPVS: Unknown mcast interface: veth0
[   88.202461] IPVS: Unknown mcast interface: veth0
[   88.203061] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.203099] IPVS: stopping backup sync thread 4242 ...
[   88.206254] IPVS: Unknown mcast interface: veth0
[   88.206302] IPVS: Unknown mcast interface: veth0
[   88.216304] IPVS: stopping backup sync thread 4236 ...
[   88.218046] IPVS: Unknown mcast interface: veth0
[   88.219413] IPVS: stopping backup sync thread 4247 ...
[   88.235540] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.235545] IPVS: stopping backup sync thread 4253 ...
[   88.235569] IPVS: Unknown mcast interface: veth0
[   88.244509] IPVS: stopping backup sync thread 4258 ...
[   88.244608] IPVS: Unknown mcast interface: veth0
[   88.245487] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.245498] IPVS: stopping backup sync thread 4260 ...
[   88.246802] IPVS: Unknown mcast interface: veth0
[   88.247133] IPVS: Unknown mcast interface: veth0
[   88.771258] IPVS: Unknown mcast interface: veth0
[   88.776724] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.777931] IPVS: stopping backup sync thread 4265 ...
[   88.791727] IPVS: Unknown mcast interface: veth0
[   88.806581] IPVS: stopping backup sync thread 4280 ...
[   88.810371] IPVS: stopping backup sync thread 4285 ...
[   88.810464] IPVS: Unknown mcast interface: veth0
[   88.811331] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.811386] IPVS: stopping backup sync thread 4287 ...
[   88.811798] IPVS: stopping backup sync thread 4288 ...
[   88.811989] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.812505] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.812544] IPVS: stopping backup sync thread 4289 ...
[   88.812936] IPVS: stopping backup sync thread 4290 ...
[   88.813538] IPVS: stopping backup sync thread 4291 ...
[   88.813753] IPVS: Unknown mcast interface: veth0
[   88.813810] IPVS: Unknown mcast interface: veth0
[   88.813999] IPVS: Unknown mcast interface: veth0
[   88.814100] IPVS: Unknown mcast interface: veth0
[   88.814156] IPVS: Unknown mcast interface: veth0
[   88.814435] IPVS: stopping backup sync thread 4292 ...
[   88.822452] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.823402] IPVS: stopping backup sync thread 4294 ...
[   88.824315] IPVS: stopping backup sync thread 4300 ...
[   88.829538] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.831115] IPVS: Unknown mcast interface: veth0
[   88.832128] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.832177] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.832209] IPVS: stopping backup sync thread 4308 ...
[   88.832601] IPVS: Unknown mcast interface: veth0
[   88.832632] IPVS: Unknown mcast interface: veth0
[   88.832654] IPVS: Unknown mcast interface: veth0
[   88.832675] IPVS: Unknown mcast interface: veth0
[   88.833088] IPVS: stopping backup sync thread 4309 ...
[   88.833189] IPVS: Unknown mcast interface: veth0
[   88.833500] IPVS: Unknown mcast interface: veth0
[   88.835815] IPVS: stopping backup sync thread 4311 ...
[   88.835965] IPVS: Unknown mcast interface: veth0
[   88.836591] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.836600] IPVS: stopping backup sync thread 4313 ...
[   88.838032] IPVS: Unknown mcast interface: veth0
[   88.839322] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.844936] IPVS: Unknown mcast interface: veth0
[   88.884963] IPVS: stopping backup sync thread 4330 ...
[   88.885079] IPVS: Unknown mcast interface: veth0
[   88.885924] IPVS: stopping backup sync thread 4303 ...
[   88.889211] IPVS: stopping backup sync thread 4306 ...
[   88.889226] IPVS: stopping backup sync thread 4337 ...
[   88.889414] IPVS: Unknown mcast interface: veth0
[   88.895046] IPVS: stopping backup sync thread 4302 ...
[   88.895075] IPVS: stopping backup sync thread 4338 ...
[   88.895161] IPVS: Unknown mcast interface: veth0
[   88.896034] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.896066] IPVS: stopping backup sync thread 4341 ...
[   88.896423] IPVS: Unknown mcast interface: veth0
[   88.897233] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.897331] IPVS: Unknown mcast interface: veth0
[   88.897415] IPVS: stopping backup sync thread 4343 ...
[   88.897949] IPVS: Unknown mcast interface: veth0
[   88.898434] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.905888] IPVS: stopping backup sync thread 4345 ...
[   88.910123] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.911348] IPVS: Unknown mcast interface: veth0
[   88.913295] IPVS: Unknown mcast interface: veth0
[   88.913400] IPVS: Unknown mcast interface: veth0
[   88.913426] IPVS: Unknown mcast interface: veth0
[   88.914129] IPVS: stopping backup sync thread 4346 ...
[   88.928842] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.928904] IPVS: stopping backup sync thread 4354 ...
[   88.930190] IPVS: stopping backup sync thread 4363 ...
[   88.930497] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.930499] IPVS: Unknown mcast interface: veth0
[   88.931318] IPVS: stopping backup sync thread 4344 ...
[   88.931527] IPVS: Unknown mcast interface: veth0
[   88.936310] IPVS: Unknown mcast interface: veth0
[   88.936475] IPVS: Unknown mcast interface: veth0
[   88.937364] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.937376] IPVS: stopping backup sync thread 4369 ...
[   88.946124] IPVS: stopping backup sync thread 4371 ...
[   88.947595] IPVS: Unknown mcast interface: veth0
[   88.948720] IPVS: Unknown mcast interface: veth0
[   88.953839] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.957107] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.963496] IPVS: Unknown mcast interface: veth0
[   88.964829] IPVS: Unknown mcast interface: veth0
[   88.967122] IPVS: Unknown mcast interface: veth0
[   88.967217] IPVS: stopping backup sync thread 4367 ...
[   88.967251] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.968249] IPVS: Unknown mcast interface: veth0
[   88.968362] IPVS: stopping backup sync thread 4383 ...
[   88.981015] IPVS: stopping backup sync thread 4387 ...
[   88.983119] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   88.983247] IPVS: Unknown mcast interface: veth0
[   88.983264] IPVS: Unknown mcast interface: veth0
[   88.983296] IPVS: Unknown mcast interface: veth0
[   88.984213] IPVS: stopping backup sync thread 4393 ...
[   88.989384] IPVS: Unknown mcast interface: veth0
[   89.444384] IPVS: Unknown mcast interface: veth0
[   89.449699] IPVS: stopping backup sync thread 4398 ...
[   89.453227] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.464650] IPVS: Unknown mcast interface: veth0
[   89.480139] IPVS: stopping backup sync thread 4391 ...
[   89.487910] IPVS: stopping backup sync thread 4416 ...
[   89.488060] IPVS: stopping backup sync thread 4377 ...
[   89.488738] IPVS: stopping backup sync thread 4417 ...
[   89.489221] IPVS: stopping backup sync thread 4418 ...
[   89.489415] IPVS: Unknown mcast interface: veth0
[   89.490142] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.490153] IPVS: stopping backup sync thread 4420 ...
[   89.490383] IPVS: stopping backup sync thread 4379 ...
[   89.490688] IPVS: Unknown mcast interface: veth0
[   89.492013] IPVS: Unknown mcast interface: veth0
[   89.492161] IPVS: stopping backup sync thread 4422 ...
[   89.492580] IPVS: stopping backup sync thread 4423 ...
[   89.492661] IPVS: Unknown mcast interface: veth0
[   89.493686] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.493823] IPVS: stopping backup sync thread 4425 ...
[   89.494215] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.494393] IPVS: stopping backup sync thread 4426 ...
[   89.494562] IPVS: Unknown mcast interface: veth0
[   89.495183] IPVS: Unknown mcast interface: veth0
[   89.498850] IPVS: Unknown mcast interface: veth0
[   89.498926] IPVS: Unknown mcast interface: veth0
[   89.499046] IPVS: Unknown mcast interface: veth0
[   89.499093] IPVS: Unknown mcast interface: veth0
[   89.505806] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.506433] IPVS: stopping backup sync thread 4428 ...
[   89.516201] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.517224] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.517370] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.517387] IPVS: Unknown mcast interface: veth0
[   89.528129] IPVS: stopping backup sync thread 4448 ...
[   89.540769] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.541055] IPVS: Unknown mcast interface: veth0
[   89.541732] IPVS: stopping backup sync thread 4451 ...
[   89.541900] IPVS: Unknown mcast interface: veth0
[   89.542056] IPVS: Unknown mcast interface: veth0
[   89.548978] IPVS: Unknown mcast interface: veth0
[   89.549031] IPVS: Unknown mcast interface: veth0
[   89.549155] IPVS: stopping backup sync thread 4431 ...
[   89.549401] IPVS: stopping backup sync thread 4454 ...
[   89.549474] IPVS: Unknown mcast interface: veth0
[   89.552253] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.558504] IPVS: stopping backup sync thread 4458 ...
[   89.564722] IPVS: stopping backup sync thread 4461 ...
[   89.565106] IPVS: Unknown mcast interface: veth0
[   89.565149] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.565804] IPVS: Unknown mcast interface: veth0
[   89.566017] IPVS: stopping backup sync thread 4440 ...
[   89.566355] IPVS: stopping backup sync thread 4471 ...
[   89.566375] IPVS: stopping backup sync thread 4446 ...
[   89.566646] IPVS: Unknown mcast interface: veth0
[   89.566855] IPVS: Unknown mcast interface: veth0
[   89.566894] IPVS: Unknown mcast interface: veth0
[   89.566918] IPVS: Unknown mcast interface: veth0
[   89.567179] IPVS: Unknown mcast interface: veth0
[   89.567611] IPVS: Unknown mcast interface: veth0
[   89.588862] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   89.588946] IPVS: stopping backup sync thread 4477 ...
[   89.597141] 
[   89.597143] =============================================
[   89.597144] [ INFO: possible recursive locking detected ]
[   89.597148] 4.9.97-g1321d42 #16 Not tainted
[   89.597150] ---------------------------------------------
[   89.597153] syz-executor0/4467 is trying to acquire lock:
[   89.597178]  (rtnl_mutex){+.+.+.}, at: [<ffffffff830b1837>] rtnl_lock+0x17/0x20

[   89.597179] but task is already holding lock:
[   89.597189]  (rtnl_mutex){+.+.+.}, at: [<ffffffff830b1837>] rtnl_lock+0x17/0x20

[   89.597191] other info that might help us debug this:
[   89.597192]  Possible unsafe locking scenario:
[   89.597192] 
[   89.597194]        CPU0
[   89.597195]        ----
[   89.597198]   lock(rtnl_mutex);
[   89.597201]   lock(rtnl_mutex);
[   89.597202] 
[   89.597202]  *** DEADLOCK ***
[   89.597202] 
[   89.597204]  May be due to missing lock nesting notation
[   89.597204] 
[   89.597207] 2 locks held by syz-executor0/4467:
[   89.597217]  #0:  (rtnl_mutex){+.+.+.}, at: [<ffffffff830b1837>] rtnl_lock+0x17/0x20
[   89.597231]  #1:  (ipvs->sync_mutex){+.+.+.}, at: [<ffffffff832df71d>] do_ip_vs_set_ctl+0x90d/0xbd0
[   89.597232] 
[   89.597232] stack backtrace:
[   89.597238] CPU: 0 PID: 4467 Comm: syz-executor0 Not tainted 4.9.97-g1321d42 #16
[   89.597241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   89.597251]  ffff8801d325f4b0 ffffffff81eb0b69 ffffffff8559cf30 ffffffff8559cf30
[   89.597259]  ffffffff8559cf30 ffff8801d32508e8 bdd6c1b1fa547de9 ffff8801d325f670
[   89.597266]  ffffffff81425a1f ffffffff84e98ca0 ffffffff851f0e48 ffffffff84e98ca4
[   89.597267] Call Trace:
[   89.597276]  [<ffffffff81eb0b69>] dump_stack+0xc1/0x128
[   89.597286]  [<ffffffff81425a1f>] __lock_acquire.cold.59+0x166/0x5f8
[   89.597297]  [<ffffffff81234380>] ? debug_check_no_locks_freed+0x210/0x210
[   89.597304]  [<ffffffff8122e3f2>] ? __lock_is_held+0xa2/0xf0
[   89.597311]  [<ffffffff81238e60>] lock_acquire+0x130/0x3e0
[   89.597318]  [<ffffffff830b1837>] ? rtnl_lock+0x17/0x20
[   89.597324]  [<ffffffff830b1837>] ? rtnl_lock+0x17/0x20
[   89.597334]  [<ffffffff839e9900>] mutex_lock_nested+0xc0/0x870
[   89.597341]  [<ffffffff830b1837>] ? rtnl_lock+0x17/0x20
[   89.597348]  [<ffffffff81233c0b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   89.597356]  [<ffffffff832aa71a>] ? qtaguid_untag+0x41a/0x620
[   89.597363]  [<ffffffff839e9840>] ? mutex_trylock+0x3e0/0x3e0
[   89.597371]  [<ffffffff839f3cf0>] ? _raw_spin_unlock_bh+0x30/0x40
[   89.597378]  [<ffffffff832aa61e>] ? qtaguid_untag+0x31e/0x620
[   89.597384]  [<ffffffff8122e3f2>] ? __lock_is_held+0xa2/0xf0
[   89.597391]  [<ffffffff830b1837>] rtnl_lock+0x17/0x20
[   89.597398]  [<ffffffff8343b01c>] ip_mc_drop_socket+0x8c/0x230
[   89.597410]  [<ffffffff8341c6bb>] inet_release+0x5b/0x1d0
[   89.597418]  [<ffffffff8300fab6>] sock_release+0x96/0x1c0
[   89.597425]  [<ffffffff832f29be>] start_sync_thread+0xa0e/0x1ea0
[   89.597433]  [<ffffffff839cf66d>] ? ip_vs_proc_sync_conn+0x952/0x952
[   89.597440]  [<ffffffff832f1fb0>] ? ip_vs_sync_conn+0x2a90/0x2a90
[   89.597447]  [<ffffffff81233817>] ? mark_held_locks+0xc7/0x130
[   89.597454]  [<ffffffff839e9db2>] ? mutex_lock_nested+0x572/0x870
[   89.597461]  [<ffffffff81233c0b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   89.597468]  [<ffffffff839e9dd6>] ? mutex_lock_nested+0x596/0x870
[   89.597474]  [<ffffffff832df71d>] ? do_ip_vs_set_ctl+0x90d/0xbd0
[   89.597481]  [<ffffffff839e9840>] ? mutex_trylock+0x3e0/0x3e0
[   89.597487]  [<ffffffff81538965>] ? memcpy+0x45/0x50
[   89.597493]  [<ffffffff832df72f>] do_ip_vs_set_ctl+0x91f/0xbd0
[   89.597500]  [<ffffffff812349d4>] ? __lock_acquire+0x654/0x4070
[   89.597506]  [<ffffffff832dee10>] ? ip_vs_genl_set_cmd+0x9c0/0x9c0
[   89.597514]  [<ffffffff839e9db2>] ? mutex_lock_nested+0x572/0x870
[   89.597522]  [<ffffffff839ed2b1>] ? __mutex_unlock_slowpath+0x221/0x3c0
[   89.597529]  [<ffffffff839ed090>] ? __ww_mutex_lock+0x14c0/0x14c0
[   89.597536]  [<ffffffff81d0eca2>] ? sock_has_perm+0x292/0x3e0
[   89.597543]  [<ffffffff839ed459>] ? mutex_unlock+0x9/0x10
[   89.597552]  [<ffffffff831dacf1>] ? nf_sockopt_find.constprop.0+0x1b1/0x230
[   89.597560]  [<ffffffff831db00d>] compat_nf_setsockopt+0x10d/0x130
[   89.597567]  [<ffffffff83344b67>] compat_ip_setsockopt+0xa7/0xe0
[   89.597576]  [<ffffffff833f2e0a>] compat_udp_setsockopt+0x4a/0x90
[   89.597582]  [<ffffffff83019854>] compat_sock_common_setsockopt+0xb4/0x150
[   89.597590]  [<ffffffff833f2dc0>] ? udp_lib_setsockopt+0x570/0x570
[   89.597597]  [<ffffffff8311818c>] compat_SyS_setsockopt+0x14c/0x2a0
[   89.597603]  [<ffffffff830197a0>] ? sock_common_setsockopt+0xe0/0xe0
[   89.597609]  [<ffffffff83118040>] ? scm_detach_fds_compat+0x3b0/0x3b0
[   89.597617]  [<ffffffff81006b7f>] ? do_fast_syscall_32+0xcf/0x870
[   89.597624]  [<ffffffff83118040>] ? scm_detach_fds_compat+0x3b0/0x3b0
[   89.597630]  [<ffffffff81006da7>] do_fast_syscall_32+0x2f7/0x870
[   89.597636]  [<ffffffff81003036>] ? trace_hardirqs_off_thunk+0x1a/0x1c
[   89.597643]  [<ffffffff839f5d50>] entry_SYSENTER_compat+0x90/0xa2
[   89.597816] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0
[   90.392613] IPVS: stopping backup sync thread 4470 ...
[   90.399155] IPVS: stopping backup sync thread 4473 ...