[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.248845] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. [ 21.917589] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [ 22.165000] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.222830] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available) [ 35.532611] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program [ 41.125281] IPVS: Creating netns size=2552 id=1 executing program executing program [ 41.161063] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.162121] IPVS: stopping backup sync thread 3865 ... [ 41.180987] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.181456] IPVS: stopping backup sync thread 3869 ... [ 41.187485] IPVS: Creating netns size=2552 id=2 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.217954] IPVS: stopping backup sync thread 3875 ... [ 41.221523] IPVS: stopping backup sync thread 3878 ... [ 41.222673] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.226269] IPVS: stopping backup sync thread 3881 ... [ 41.231050] IPVS: stopping backup sync thread 3884 ... [ 41.235822] IPVS: stopping backup sync thread 3887 ... [ 41.240741] IPVS: stopping backup sync thread 3890 ... [ 41.245535] IPVS: stopping backup sync thread 3893 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.250520] IPVS: stopping backup sync thread 3896 ... [ 41.256880] IPVS: stopping backup sync thread 3899 ... [ 41.261720] IPVS: stopping backup sync thread 3902 ... [ 41.266212] IPVS: stopping backup sync thread 3905 ... [ 41.270947] IPVS: stopping backup sync thread 3908 ... [ 41.276630] IPVS: stopping backup sync thread 3911 ... [ 41.281629] IPVS: stopping backup sync thread 3914 ... [ 41.286117] IPVS: stopping backup sync thread 3917 ... [ 41.290921] IPVS: stopping backup sync thread 3920 ... [ 41.296816] IPVS: stopping backup sync thread 3923 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.301834] IPVS: stopping backup sync thread 3926 ... [ 41.306630] IPVS: stopping backup sync thread 3929 ... [ 41.311470] IPVS: stopping backup sync thread 3932 ... [ 41.317615] IPVS: stopping backup sync thread 3935 ... [ 41.322408] IPVS: stopping backup sync thread 3938 ... [ 41.327080] IPVS: stopping backup sync thread 3941 ... [ 41.331776] IPVS: stopping backup sync thread 3944 ... [ 41.337227] IPVS: stopping backup sync thread 3947 ... [ 41.342078] IPVS: stopping backup sync thread 3950 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.346683] IPVS: stopping backup sync thread 3953 ... [ 41.351343] IPVS: stopping backup sync thread 3956 ... [ 41.357553] IPVS: stopping backup sync thread 3959 ... [ 41.362322] IPVS: stopping backup sync thread 3962 ... [ 41.366869] IPVS: stopping backup sync thread 3965 ... [ 41.371530] IPVS: stopping backup sync thread 3968 ... [ 41.377073] IPVS: stopping backup sync thread 3971 ... [ 41.381912] IPVS: stopping backup sync thread 3974 ... [ 41.386522] IPVS: stopping backup sync thread 3977 ... [ 41.391275] IPVS: stopping backup sync thread 3980 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.397271] IPVS: stopping backup sync thread 3983 ... [ 41.402235] IPVS: stopping backup sync thread 3986 ... [ 41.406732] IPVS: stopping backup sync thread 3989 ... [ 41.411606] IPVS: stopping backup sync thread 3992 ... [ 41.417082] IPVS: stopping backup sync thread 3995 ... [ 41.422047] IPVS: stopping backup sync thread 3998 ... [ 41.426476] IPVS: stopping backup sync thread 4001 ... [ 41.431207] IPVS: stopping backup sync thread 4004 ... [ 41.437607] IPVS: stopping backup sync thread 4007 ... executing program executing program executing program executing program executing program executing program executing program [ 41.442022] IPVS: stopping backup sync thread 4010 ... [ 41.446758] IPVS: stopping backup sync thread 4013 ... [ 41.451457] IPVS: stopping backup sync thread 4016 ... [ 41.457228] IPVS: stopping backup sync thread 4019 ... [ 41.461715] IPVS: stopping backup sync thread 4022 ... [ 41.466481] IPVS: stopping backup sync thread 4025 ... [ 41.477695] IPVS: stopping backup sync thread 4030 ... [ 41.487402] IPVS: stopping backup sync thread 4035 ... [ 41.496307] IPVS: stopping backup sync thread 4039 ... [ 41.503208] IPVS: stopping backup sync thread 4043 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.507901] IPVS: stopping backup sync thread 4046 ... [ 41.512361] IPVS: stopping backup sync thread 4049 ... [ 41.518663] IPVS: stopping backup sync thread 4052 ... [ 41.523685] IPVS: stopping backup sync thread 4055 ... [ 41.528210] IPVS: stopping backup sync thread 4058 ... [ 41.532723] IPVS: stopping backup sync thread 4061 ... [ 41.538402] IPVS: stopping backup sync thread 4064 ... [ 41.543444] IPVS: stopping backup sync thread 4067 ... [ 41.547996] IPVS: stopping backup sync thread 4070 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.552514] IPVS: stopping backup sync thread 4073 ... [ 41.557354] IPVS: stopping backup sync thread 4076 ... [ 41.562350] IPVS: stopping backup sync thread 4079 ... [ 41.567261] IPVS: stopping backup sync thread 4082 ... [ 41.571768] IPVS: stopping backup sync thread 4085 ... [ 41.577330] IPVS: stopping backup sync thread 4088 ... [ 41.582282] IPVS: stopping backup sync thread 4091 ... [ 41.586691] IPVS: stopping backup sync thread 4094 ... [ 41.591369] IPVS: stopping backup sync thread 4097 ... [ 41.597113] IPVS: stopping backup sync thread 4100 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.601949] IPVS: stopping backup sync thread 4103 ... [ 41.606485] IPVS: stopping backup sync thread 4106 ... [ 41.611020] IPVS: stopping backup sync thread 4109 ... [ 41.617384] IPVS: stopping backup sync thread 4112 ... [ 41.622376] IPVS: stopping backup sync thread 4115 ... [ 41.626983] IPVS: stopping backup sync thread 4118 ... [ 41.631475] IPVS: stopping backup sync thread 4121 ... [ 41.637099] IPVS: stopping backup sync thread 4124 ... [ 41.642146] IPVS: stopping backup sync thread 4127 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.646718] IPVS: stopping backup sync thread 4130 ... [ 41.651332] IPVS: stopping backup sync thread 4133 ... [ 41.657051] IPVS: stopping backup sync thread 4136 ... [ 41.661997] IPVS: stopping backup sync thread 4139 ... [ 41.666487] IPVS: stopping backup sync thread 4142 ... [ 41.671274] IPVS: stopping backup sync thread 4145 ... [ 41.676910] IPVS: stopping backup sync thread 4148 ... [ 41.681861] IPVS: stopping backup sync thread 4151 ... [ 41.686263] IPVS: stopping backup sync thread 4154 ... [ 41.691092] IPVS: stopping backup sync thread 4157 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.697041] IPVS: stopping backup sync thread 4160 ... [ 41.702050] IPVS: stopping backup sync thread 4163 ... [ 41.706590] IPVS: stopping backup sync thread 4166 ... [ 41.711184] IPVS: stopping backup sync thread 4169 ... [ 41.717611] IPVS: stopping backup sync thread 4172 ... [ 41.722815] IPVS: stopping backup sync thread 4175 ... [ 41.727391] IPVS: stopping backup sync thread 4178 ... [ 41.731927] IPVS: stopping backup sync thread 4181 ... [ 41.736859] IPVS: stopping backup sync thread 4184 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.741854] IPVS: stopping backup sync thread 4187 ... [ 41.746258] IPVS: stopping backup sync thread 4190 ... [ 41.750985] IPVS: stopping backup sync thread 4193 ... [ 41.757128] IPVS: stopping backup sync thread 4196 ... [ 41.762153] IPVS: stopping backup sync thread 4199 ... [ 41.766656] IPVS: stopping backup sync thread 4202 ... [ 41.771376] IPVS: stopping backup sync thread 4205 ... [ 41.776977] IPVS: stopping backup sync thread 4208 ... [ 41.781999] IPVS: stopping backup sync thread 4211 ... [ 41.786561] IPVS: stopping backup sync thread 4214 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.791079] IPVS: stopping backup sync thread 4217 ... [ 41.797261] IPVS: stopping backup sync thread 4220 ... [ 41.802504] IPVS: stopping backup sync thread 4223 ... [ 41.807097] IPVS: stopping backup sync thread 4226 ... [ 41.811622] IPVS: stopping backup sync thread 4229 ... [ 41.816931] IPVS: stopping backup sync thread 4232 ... [ 41.821900] IPVS: stopping backup sync thread 4235 ... [ 41.826488] IPVS: stopping backup sync thread 4238 ... [ 41.831040] IPVS: stopping backup sync thread 4241 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.836917] IPVS: stopping backup sync thread 4244 ... [ 41.841845] IPVS: stopping backup sync thread 4247 ... [ 41.846325] IPVS: stopping backup sync thread 4250 ... [ 41.851154] IPVS: stopping backup sync thread 4253 ... [ 41.857446] IPVS: stopping backup sync thread 4256 ... [ 41.862405] IPVS: stopping backup sync thread 4259 ... [ 41.866978] IPVS: stopping backup sync thread 4262 ... [ 41.871635] IPVS: stopping backup sync thread 4265 ... [ 41.877511] IPVS: stopping backup sync thread 4268 ... [ 41.882241] IPVS: stopping backup sync thread 4271 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.887024] IPVS: stopping backup sync thread 4274 ... [ 41.891629] IPVS: stopping backup sync thread 4277 ... [ 41.897053] IPVS: stopping backup sync thread 4280 ... [ 41.902129] IPVS: stopping backup sync thread 4283 ... [ 41.906671] IPVS: stopping backup sync thread 4286 ... [ 41.911257] IPVS: stopping backup sync thread 4289 ... [ 41.917299] IPVS: stopping backup sync thread 4292 ... [ 41.922301] IPVS: stopping backup sync thread 4295 ... [ 41.926842] IPVS: stopping backup sync thread 4298 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.931544] IPVS: stopping backup sync thread 4301 ... [ 41.937390] IPVS: stopping backup sync thread 4304 ... [ 41.942409] IPVS: stopping backup sync thread 4307 ... [ 41.947015] IPVS: stopping backup sync thread 4310 ... [ 41.951602] IPVS: stopping backup sync thread 4313 ... [ 41.957119] IPVS: stopping backup sync thread 4316 ... [ 41.962089] IPVS: stopping backup sync thread 4319 ... [ 41.966901] IPVS: stopping backup sync thread 4322 ... [ 41.971485] IPVS: stopping backup sync thread 4325 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.977167] IPVS: stopping backup sync thread 4328 ... [ 41.982153] IPVS: stopping backup sync thread 4331 ... [ 41.986764] IPVS: stopping backup sync thread 4334 ... [ 41.991327] IPVS: stopping backup sync thread 4337 ... [ 41.996996] IPVS: stopping backup sync thread 4340 ... [ 42.001948] IPVS: stopping backup sync thread 4343 ... [ 42.006518] IPVS: stopping backup sync thread 4346 ... [ 42.011131] IPVS: stopping backup sync thread 4349 ... [ 42.017274] IPVS: stopping backup sync thread 4352 ... [ 42.022194] IPVS: stopping backup sync thread 4355 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.026612] IPVS: stopping backup sync thread 4358 ... [ 42.031426] IPVS: stopping backup sync thread 4361 ... [ 42.037094] IPVS: stopping backup sync thread 4364 ... [ 42.042042] IPVS: stopping backup sync thread 4367 ... [ 42.046839] IPVS: stopping backup sync thread 4370 ... [ 42.051364] IPVS: stopping backup sync thread 4373 ... [ 42.057088] IPVS: stopping backup sync thread 4376 ... [ 42.062056] IPVS: stopping backup sync thread 4379 ... [ 42.066608] IPVS: stopping backup sync thread 4382 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.071156] IPVS: stopping backup sync thread 4385 ... [ 42.076912] IPVS: stopping backup sync thread 4388 ... [ 42.081864] IPVS: stopping backup sync thread 4391 ... [ 42.086454] IPVS: stopping backup sync thread 4394 ... [ 42.091197] IPVS: stopping backup sync thread 4397 ... [ 42.097451] IPVS: stopping backup sync thread 4400 ... [ 42.102455] IPVS: stopping backup sync thread 4403 ... [ 42.106841] IPVS: stopping backup sync thread 4406 ... [ 42.111586] IPVS: stopping backup sync thread 4409 ... [ 42.117155] IPVS: stopping backup sync thread 4412 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.122119] IPVS: stopping backup sync thread 4415 ... [ 42.126816] IPVS: stopping backup sync thread 4418 ... [ 42.131537] IPVS: stopping backup sync thread 4421 ... [ 42.137147] IPVS: stopping backup sync thread 4424 ... [ 42.142187] IPVS: stopping backup sync thread 4427 ... [ 42.146735] IPVS: stopping backup sync thread 4430 ... [ 42.151358] IPVS: stopping backup sync thread 4433 ... [ 42.157232] IPVS: stopping backup sync thread 4436 ... [ 42.162234] IPVS: stopping backup sync thread 4439 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.166773] IPVS: stopping backup sync thread 4442 ... [ 42.171375] IPVS: stopping backup sync thread 4445 ... [ 42.176982] IPVS: stopping backup sync thread 4448 ... [ 42.181948] IPVS: stopping backup sync thread 4451 ... [ 42.186394] IPVS: stopping backup sync thread 4454 ... [ 42.191099] IPVS: stopping backup sync thread 4457 ... [ 42.197567] IPVS: stopping backup sync thread 4460 ... [ 42.202374] IPVS: stopping backup sync thread 4463 ... [ 42.207102] IPVS: stopping backup sync thread 4466 ... [ 42.211909] IPVS: stopping backup sync thread 4469 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.217064] IPVS: stopping backup sync thread 4472 ... [ 42.222134] IPVS: stopping backup sync thread 4475 ... [ 42.226691] IPVS: stopping backup sync thread 4478 ... [ 42.231245] IPVS: stopping backup sync thread 4481 ... [ 42.237420] IPVS: stopping backup sync thread 4484 ... [ 42.242425] IPVS: stopping backup sync thread 4487 ... [ 42.246981] IPVS: stopping backup sync thread 4490 ... [ 42.251494] IPVS: stopping backup sync thread 4493 ... [ 42.257051] IPVS: stopping backup sync thread 4496 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.262009] IPVS: stopping backup sync thread 4499 ... [ 42.266583] IPVS: stopping backup sync thread 4502 ... [ 42.271211] IPVS: stopping backup sync thread 4505 ... [ 42.277401] IPVS: stopping backup sync thread 4508 ... [ 42.282216] IPVS: stopping backup sync thread 4511 ... [ 42.286950] IPVS: stopping backup sync thread 4514 ... [ 42.291680] IPVS: stopping backup sync thread 4517 ... [ 42.297463] IPVS: stopping backup sync thread 4520 ... [ 42.303285] IPVS: stopping backup sync thread 4523 ... [ 42.307813] IPVS: stopping backup sync thread 4526 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.312355] IPVS: stopping backup sync thread 4529 ... [ 42.318393] IPVS: stopping backup sync thread 4532 ... [ 42.323505] IPVS: stopping backup sync thread 4535 ... [ 42.327920] IPVS: stopping backup sync thread 4538 ... [ 42.332481] IPVS: stopping backup sync thread 4541 ... [ 42.337993] IPVS: stopping backup sync thread 4544 ... [ 42.342956] IPVS: stopping backup sync thread 4547 ... [ 42.347525] IPVS: stopping backup sync thread 4550 ... [ 42.352196] IPVS: stopping backup sync thread 4553 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.358320] IPVS: stopping backup sync thread 4556 ... [ 42.363360] IPVS: stopping backup sync thread 4559 ... [ 42.368164] IPVS: stopping backup sync thread 4562 ... [ 42.372689] IPVS: stopping backup sync thread 4565 ... [ 42.378767] IPVS: stopping backup sync thread 4568 ... [ 42.383788] IPVS: stopping backup sync thread 4571 ... [ 42.388331] IPVS: stopping backup sync thread 4574 ... [ 42.392905] IPVS: stopping backup sync thread 4577 ... [ 42.398254] IPVS: stopping backup sync thread 4580 ... [ 42.403319] IPVS: stopping backup sync thread 4583 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.407807] IPVS: stopping backup sync thread 4586 ... [ 42.412391] IPVS: stopping backup sync thread 4589 ... [ 42.418383] IPVS: stopping backup sync thread 4592 ... [ 42.423452] IPVS: stopping backup sync thread 4595 ... [ 42.427918] IPVS: stopping backup sync thread 4598 ... [ 42.432430] IPVS: stopping backup sync thread 4601 ... [ 42.437430] IPVS: stopping backup sync thread 4604 ... [ 42.442402] IPVS: stopping backup sync thread 4607 ... [ 42.447191] IPVS: stopping backup sync thread 4610 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.451835] IPVS: stopping backup sync thread 4613 ... [ 42.457168] IPVS: stopping backup sync thread 4616 ... [ 42.462094] IPVS: stopping backup sync thread 4619 ... [ 42.466556] IPVS: stopping backup sync thread 4622 ... [ 42.471587] IPVS: stopping backup sync thread 4625 ... [ 42.476995] IPVS: stopping backup sync thread 4628 ... [ 42.481905] IPVS: stopping backup sync thread 4631 ... [ 42.486471] IPVS: stopping backup sync thread 4634 ... [ 42.491201] IPVS: stopping backup sync thread 4637 ... [ 42.497106] IPVS: stopping backup sync thread 4640 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.502098] IPVS: stopping backup sync thread 4643 ... [ 42.506629] IPVS: stopping backup sync thread 4646 ... [ 42.511156] IPVS: stopping backup sync thread 4649 ... [ 42.516924] IPVS: stopping backup sync thread 4652 ... [ 42.521905] IPVS: stopping backup sync thread 4655 ... [ 42.526744] IPVS: stopping backup sync thread 4658 ... [ 42.531257] IPVS: stopping backup sync thread 4661 ... [ 42.537598] IPVS: stopping backup sync thread 4664 ... [ 42.542439] IPVS: stopping backup sync thread 4667 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.547006] IPVS: stopping backup sync thread 4670 ... [ 42.551562] IPVS: stopping backup sync thread 4673 ... [ 42.557455] IPVS: stopping backup sync thread 4676 ... [ 42.562269] IPVS: stopping backup sync thread 4679 ... [ 42.566658] IPVS: stopping backup sync thread 4682 ... [ 42.571381] IPVS: stopping backup sync thread 4685 ... [ 42.577086] IPVS: stopping backup sync thread 4688 ... [ 42.582098] IPVS: stopping backup sync thread 4691 ... [ 42.586611] IPVS: stopping backup sync thread 4694 ... [ 42.591155] IPVS: stopping backup sync thread 4697 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.596890] IPVS: stopping backup sync thread 4700 ... [ 42.602151] IPVS: stopping backup sync thread 4703 ... [ 42.606739] IPVS: stopping backup sync thread 4706 ... [ 42.611554] IPVS: stopping backup sync thread 4709 ... [ 42.617330] IPVS: stopping backup sync thread 4712 ... [ 42.622103] IPVS: stopping backup sync thread 4715 ... [ 42.626717] IPVS: stopping backup sync thread 4718 ... [ 42.631305] IPVS: stopping backup sync thread 4721 ... [ 42.637856] IPVS: stopping backup sync thread 4724 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.642734] IPVS: stopping backup sync thread 4727 ... [ 42.647225] IPVS: stopping backup sync thread 4730 ... [ 42.652009] IPVS: stopping backup sync thread 4733 ... [ 42.657061] IPVS: stopping backup sync thread 4736 ... [ 42.662081] IPVS: stopping backup sync thread 4739 ... [ 42.666709] IPVS: stopping backup sync thread 4742 ... [ 42.671281] IPVS: stopping backup sync thread 4745 ... [ 42.677194] IPVS: stopping backup sync thread 4748 ... [ 42.682059] IPVS: stopping backup sync thread 4751 ... [ 42.686608] IPVS: stopping backup sync thread 4754 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.691204] IPVS: stopping backup sync thread 4757 ... [ 42.697187] IPVS: stopping backup sync thread 4760 ... [ 42.702258] IPVS: stopping backup sync thread 4763 ... [ 42.706804] IPVS: stopping backup sync thread 4766 ... [ 42.711387] IPVS: stopping backup sync thread 4769 ... [ 42.717197] IPVS: stopping backup sync thread 4772 ... [ 42.722171] IPVS: stopping backup sync thread 4775 ... [ 42.726656] IPVS: stopping backup sync thread 4778 ... [ 42.731323] IPVS: stopping backup sync thread 4781 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.737029] IPVS: stopping backup sync thread 4784 ... [ 42.742049] IPVS: stopping backup sync thread 4787 ... [ 42.746463] IPVS: stopping backup sync thread 4790 ... [ 42.751219] IPVS: stopping backup sync thread 4793 ... [ 42.757353] IPVS: stopping backup sync thread 4796 ... [ 42.762353] IPVS: stopping backup sync thread 4799 ... [ 42.766905] IPVS: stopping backup sync thread 4802 ... [ 42.771424] IPVS: stopping backup sync thread 4805 ... [ 42.777266] IPVS: stopping backup sync thread 4808 ... [ 42.782268] IPVS: stopping backup sync thread 4811 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.786806] IPVS: stopping backup sync thread 4814 ... [ 42.791329] IPVS: stopping backup sync thread 4817 ... [ 42.796790] IPVS: stopping backup sync thread 4820 ... [ 42.801735] IPVS: stopping backup sync thread 4823 ... [ 42.806213] IPVS: stopping backup sync thread 4826 ... [ 42.810981] IPVS: stopping backup sync thread 4829 ... [ 42.817436] IPVS: stopping backup sync thread 4832 ... [ 42.822432] IPVS: stopping backup sync thread 4835 ... [ 42.826896] IPVS: stopping backup sync thread 4838 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.831590] IPVS: stopping backup sync thread 4841 ... [ 42.837037] IPVS: stopping backup sync thread 4844 ... [ 42.842032] IPVS: stopping backup sync thread 4847 ... [ 42.846946] IPVS: stopping backup sync thread 4850 ... [ 42.851460] IPVS: stopping backup sync thread 4853 ... [ 42.857046] IPVS: stopping backup sync thread 4856 ... [ 42.862073] IPVS: stopping backup sync thread 4859 ... [ 42.866601] IPVS: stopping backup sync thread 4862 ... [ 42.871168] IPVS: stopping backup sync thread 4865 ... [ 42.877009] IPVS: stopping backup sync thread 4868 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.882028] IPVS: stopping backup sync thread 4871 ... [ 42.886617] IPVS: stopping backup sync thread 4874 ... [ 42.891257] IPVS: stopping backup sync thread 4877 ... [ 42.897127] IPVS: stopping backup sync thread 4880 ... [ 42.902165] IPVS: stopping backup sync thread 4883 ... [ 42.906866] IPVS: stopping backup sync thread 4886 ... [ 42.911515] IPVS: stopping backup sync thread 4889 ... [ 42.917149] IPVS: stopping backup sync thread 4892 ... [ 42.922095] IPVS: stopping backup sync thread 4895 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.926805] IPVS: stopping backup sync thread 4898 ... [ 42.931457] IPVS: stopping backup sync thread 4901 ... [ 42.937031] IPVS: stopping backup sync thread 4904 ... [ 42.942064] IPVS: stopping backup sync thread 4907 ... [ 42.946622] IPVS: stopping backup sync thread 4910 ... [ 42.951115] IPVS: stopping backup sync thread 4913 ... [ 42.957088] IPVS: stopping backup sync thread 4916 ... [ 42.962075] IPVS: stopping backup sync thread 4919 ... [ 42.966724] IPVS: stopping backup sync thread 4922 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.971203] IPVS: stopping backup sync thread 4925 ... [ 42.977257] IPVS: stopping backup sync thread 4928 ... [ 42.982293] IPVS: stopping backup sync thread 4931 ... [ 42.986905] IPVS: stopping backup sync thread 4934 ... [ 42.991413] IPVS: stopping backup sync thread 4937 ... [ 42.997143] IPVS: stopping backup sync thread 4940 ... [ 43.002178] IPVS: stopping backup sync thread 4943 ... [ 43.006684] IPVS: stopping backup sync thread 4946 ... [ 43.011387] IPVS: stopping backup sync thread 4949 ... [ 43.017044] IPVS: stopping backup sync thread 4952 ... executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.022047] IPVS: stopping backup sync thread 4955 ... [ 43.026615] IPVS: stopping backup sync thread 4958 ... [ 43.031158] IPVS: stopping backup sync thread 4961 ... [ 43.037405] IPVS: stopping backup sync thread 4964 ... [ 43.042411] IPVS: stopping backup sync thread 4967 ... [ 43.047012] IPVS: stopping backup sync thread 4970 ... [ 43.051522] IPVS: stopping backup sync thread 4973 ... [ 43.057163] IPVS: stopping backup sync thread 4976 ... [ 43.062156] IPVS: stopping backup sync thread 4979 ... executing program executing program executing program executing program executing program executing program executing program executing program [ 43.066789] IPVS: stopping backup sync thread 4982 ... [ 43.071290] IPVS: stopping backup sync thread 4985 ... [ 43.077268] IPVS: stopping backup sync thread 4988 ... [ 43.082149] IPVS: stopping backup sync thread 4991 ... [ 43.086595] IPVS: stopping backup sync thread 4994 ... [ 43.091269] IPVS: stopping backup sync thread 4997 ... [ 43.097012] IPVS: stopping backup sync thread 5000 ... [ 43.102022] IPVS: stopping backup sync thread 5003 ... [ 43.106885] IPVS: stopping backup sync thread 5006 ... [ 43.111286] IPVS: stopping backup sync thread 5009 ... executing program executing program executing program executing program executing program executing program executing program [ 43.117638] IPVS: stopping backup sync thread 5012 ... [ 43.122648] IPVS: stopping backup sync thread 5015 ... [ 43.127251] IPVS: stopping backup sync thread 5018 ... [ 43.131912] IPVS: stopping backup sync thread 5021 ... [ 43.136908] IPVS: stopping backup sync thread 5024 ... [ 43.141973] IPVS: stopping backup sync thread 5027 ... [ 43.147077] IPVS: stopping backup sync thread 5030 ... [ 43.151673] IPVS: stopping backup sync thread 5033 ... [ 43.157174] IPVS: stopping backup sync thread 5036 ... executing program executing program executing program executing program executing program executing program executing program [ 43.162151] IPVS: stopping backup sync thread 5039 ... [ 43.166700] IPVS: stopping backup sync thread 5042 ... [ 43.171715] IPVS: stopping backup sync thread 5045 ... [ 43.177092] IPVS: stopping backup sync thread 5048 ... [ 43.182084] IPVS: stopping backup sync thread 5051 ... [ 43.186503] IPVS: stopping backup sync thread 5054 ... [ 43.191281] IPVS: stopping backup sync thread 5057 ... [ 43.197186] IPVS: stopping backup sync thread 5060 ... [ 43.203655] IPVS: stopping backup sync thread 5063 ... executing program executing program executing program executing program executing program executing program executing program [ 43.210329] IPVS: stopping backup sync thread 5066 ... [ 43.219102] IPVS: stopping backup sync thread 5069 ... [ 43.225621] IPVS: stopping backup sync thread 5072 ... [ 43.232454] IPVS: stopping backup sync thread 5075 ... [ 43.241220] IPVS: stopping backup sync thread 5078 ... [ 43.247619] IPVS: stopping backup sync thread 5081 ... [ 43.255563] IPVS: stopping backup sync thread 5084 ... [ 43.262571] IPVS: stopping backup sync thread 5087 ... [ 43.269352] IPVS: stopping backup sync thread 5090 ... [ 43.277659] IPVS: stopping backup sync thread 5093 ... executing program executing program executing program executing program executing program executing program executing program [ 43.284357] IPVS: stopping backup sync thread 5096 ... [ 43.291173] IPVS: stopping backup sync thread 5099 ... [ 43.299192] IPVS: stopping backup sync thread 5102 ... [ 43.305732] IPVS: stopping backup sync thread 5105 ... [ 43.312265] IPVS: stopping backup sync thread 5108 ... [ 43.320497] IPVS: stopping backup sync thread 5111 ... [ 43.327156] IPVS: stopping backup sync thread 5114 ... [ 43.335058] IPVS: stopping backup sync thread 5117 ... [ 43.341315] IPVS: stopping backup sync thread 5120 ... executing program executing program executing program executing program executing program executing program executing program [ 43.348366] IPVS: stopping backup sync thread 5123 ... [ 43.356068] IPVS: stopping backup sync thread 5126 ... [ 43.362198] IPVS: stopping backup sync thread 5129 ... [ 43.368737] IPVS: stopping backup sync thread 5132 ... [ 43.377408] IPVS: stopping backup sync thread 5135 ... [ 43.384072] IPVS: stopping backup sync thread 5138 ... [ 43.390547] IPVS: stopping backup sync thread 5141 ... [ 43.398317] IPVS: stopping backup sync thread 5144 ... [ 43.405131] IPVS: stopping backup sync thread 5147 ... [ 43.411835] IPVS: stopping backup sync thread 5150 ... executing program executing program executing program executing program executing program executing program executing program [ 43.420445] IPVS: stopping backup sync thread 5153 ... [ 43.427065] IPVS: stopping backup sync thread 5156 ... [ 43.435333] IPVS: stopping backup sync thread 5159 ... [ 43.442512] IPVS: stopping backup sync thread 5162 ... [ 43.448976] IPVS: stopping backup sync thread 5165 ... [ 43.456693] IPVS: stopping backup sync thread 5168 ... [ 43.463556] IPVS: stopping backup sync thread 5171 ... [ 43.470097] IPVS: stopping backup sync thread 5174 ... [ 43.478549] IPVS: stopping backup sync thread 5177 ... executing program executing program executing program executing program executing program executing program executing program [ 43.485320] IPVS: stopping backup sync thread 5180 ... [ 43.492285] IPVS: stopping backup sync thread 5183 ... [ 43.500475] IPVS: stopping backup sync thread 5186 ... [ 43.507055] IPVS: stopping backup sync thread 5189 ... [ 43.514886] IPVS: stopping backup sync thread 5192 ... [ 43.521667] IPVS: stopping backup sync thread 5195 ... [ 43.528546] IPVS: stopping backup sync thread 5198 ... [ 43.536152] IPVS: stopping backup sync thread 5201 ... [ 43.543572] IPVS: stopping backup sync thread 5204 ... [ 43.550259] IPVS: stopping backup sync thread 5207 ... executing program executing program executing program executing program executing program executing program executing program [ 43.559028] IPVS: stopping backup sync thread 5210 ... [ 43.565608] IPVS: stopping backup sync thread 5213 ... [ 43.572041] IPVS: stopping backup sync thread 5216 ... [ 43.580392] IPVS: stopping backup sync thread 5219 ... [ 43.587043] IPVS: stopping backup sync thread 5222 ... [ 43.594613] IPVS: stopping backup sync thread 5225 ... [ 43.601544] IPVS: stopping backup sync thread 5228 ... [ 43.608334] IPVS: stopping backup sync thread 5231 ... [ 43.616191] IPVS: stopping backup sync thread 5234 ... executing program executing program executing program [ 43.623616] IPVS: stopping backup sync thread 5237 ... [ 43.630064] IPVS: stopping backup sync thread 5240 ... [ 43.667398] IPVS: Creating netns size=2552 id=3 [ 43.671663] IPVS: stopping backup sync thread 5244 ... executing program executing program [ 43.682446] IPVS: stopping backup sync thread 5248 ... [ 43.688147] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.702409] IPVS: stopping backup sync thread 5250 ... [ 43.704375] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program [ 43.735486] IPVS: stopping backup sync thread 5255 ... [ 43.744695] IPVS: stopping backup sync thread 5256 ... [ 43.762003] IPVS: stopping backup sync thread 5264 ... [ 43.762142] IPVS: Creating netns size=2552 id=4 [ 43.773444] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program [ 43.782697] IPVS: stopping backup sync thread 5268 ... [ 43.787863] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.789505] IPVS: stopping backup sync thread 5269 ... [ 43.796273] IPVS: stopping backup sync thread 5272 ... [ 43.815840] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.816831] IPVS: stopping backup sync thread 5277 ... executing program executing program executing program executing program executing program [ 43.828328] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.838626] IPVS: stopping backup sync thread 5278 ... [ 43.846854] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.856690] IPVS: stopping backup sync thread 5284 ... [ 43.861958] IPVS: stopping backup sync thread 5291 ... [ 43.872984] IPVS: Creating netns size=2552 id=5 [ 43.873594] IPVS: stopping backup sync thread 5293 ... executing program executing program executing program executing program executing program executing program [ 43.876558] IPVS: stopping backup sync thread 5295 ... [ 43.883614] IPVS: stopping backup sync thread 5298 ... [ 43.898856] IPVS: stopping backup sync thread 5305 ... [ 43.899458] IPVS: stopping backup sync thread 5307 ... [ 43.909739] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.910835] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.912887] IPVS: stopping backup sync thread 5309 ... executing program executing program executing program executing program [ 43.913004] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.913603] IPVS: stopping backup sync thread 5310 ... [ 43.925309] IPVS: stopping backup sync thread 5314 ... [ 43.944365] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.946662] IPVS: stopping backup sync thread 5317 ... [ 43.971338] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.972072] IPVS: stopping backup sync thread 5323 ... executing program executing program executing program executing program executing program executing program [ 43.972578] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 43.973265] IPVS: stopping backup sync thread 5324 ... [ 43.982307] IPVS: stopping backup sync thread 5327 ... [ 43.993826] IPVS: stopping backup sync thread 5332 ... [ 44.006751] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.007815] IPVS: stopping backup sync thread 5334 ... [ 44.008667] IPVS: stopping backup sync thread 5336 ... [ 44.028519] IPVS: stopping backup sync thread 5341 ... executing program executing program executing program [ 44.038694] IPVS: stopping backup sync thread 5348 ... [ 44.044033] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.050244] IPVS: Creating netns size=2552 id=6 [ 44.052285] IPVS: stopping backup sync thread 5350 ... [ 44.064591] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.065753] IPVS: stopping backup sync thread 5351 ... executing program executing program executing program executing program [ 44.088589] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.097013] IPVS: stopping backup sync thread 5358 ... [ 44.110400] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.116200] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.116680] IPVS: stopping backup sync thread 5365 ... executing program executing program executing program executing program executing program executing program [ 44.119138] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.121873] IPVS: stopping backup sync thread 5369 ... [ 44.128633] IPVS: stopping backup sync thread 5372 ... [ 44.135790] IPVS: stopping backup sync thread 5375 ... [ 44.143956] IPVS: stopping backup sync thread 5378 ... [ 44.159158] IPVS: stopping backup sync thread 5383 ... [ 44.165753] IPVS: stopping backup sync thread 5384 ... [ 44.175756] IPVS: stopping backup sync thread 5368 ... [ 44.181783] IPVS: stopping backup sync thread 5389 ... executing program executing program executing program executing program executing program executing program executing program [ 44.182708] IPVS: stopping backup sync thread 5364 ... [ 44.191077] IPVS: stopping backup sync thread 5392 ... [ 44.196417] IPVS: stopping backup sync thread 5397 ... [ 44.202175] IPVS: stopping backup sync thread 5398 ... [ 44.211876] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.212167] IPVS: stopping backup sync thread 5403 ... [ 44.219042] IPVS: stopping backup sync thread 5404 ... [ 44.227019] IPVS: stopping backup sync thread 5409 ... executing program executing program executing program executing program executing program executing program [ 44.231018] IPVS: stopping backup sync thread 5411 ... [ 44.247583] IPVS: stopping backup sync thread 5416 ... [ 44.249755] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.250321] IPVS: stopping backup sync thread 5417 ... [ 44.258587] IPVS: stopping backup sync thread 5422 ... [ 44.267901] IPVS: stopping backup sync thread 5426 ... [ 44.274539] IPVS: stopping backup sync thread 5428 ... [ 44.281303] IPVS: stopping backup sync thread 5431 ... executing program executing program executing program executing program executing program executing program executing program [ 44.291094] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.291365] IPVS: stopping backup sync thread 5435 ... [ 44.298584] IPVS: stopping backup sync thread 5437 ... [ 44.306773] IPVS: stopping backup sync thread 5441 ... [ 44.313669] IPVS: stopping backup sync thread 5444 ... [ 44.320331] IPVS: stopping backup sync thread 5447 ... [ 44.327983] IPVS: stopping backup sync thread 5450 ... [ 44.332131] IPVS: Creating netns size=2552 id=7 executing program executing program executing program executing program executing program [ 44.339023] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.348552] IPVS: stopping backup sync thread 5455 ... [ 44.356683] IPVS: stopping backup sync thread 5456 ... [ 44.371741] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 44.376212] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program [ 44.376989] IPVS: stopping backup sync thread 5464 ... [ 44.387002] IPVS: stopping backup sync thread 5469 ... [ 44.392283] IPVS: stopping backup sync thread 5463 ... [ 44.396949] IPVS: stopping backup sync thread 5474 ... [ 44.405830] IPVS: stopping backup sync thread 5478 ... [ 44.408280] [ 44.408282] ============================================= [ 44.408283] [ INFO: possible recursive locking detected ] [ 44.408288] 4.4.128-gbd23e3a #20 Not tainted [ 44.408289] --------------------------------------------- [ 44.408292] syz-executor566/5461 is trying to acquire lock: [ 44.408310] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 44.408311] [ 44.408311] but task is already holding lock: [ 44.408321] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 44.408323] [ 44.408323] other info that might help us debug this: [ 44.408325] Possible unsafe locking scenario: [ 44.408325] [ 44.408326] CPU0 [ 44.408327] ---- [ 44.408330] lock(rtnl_mutex); [ 44.408334] lock(rtnl_mutex); [ 44.408335] [ 44.408335] *** DEADLOCK *** [ 44.408335] [ 44.408336] May be due to missing lock nesting notation [ 44.408336] [ 44.408340] 2 locks held by syz-executor566/5461: [ 44.408351] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 44.408365] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x8e0/0xb70 [ 44.408366] [ 44.408366] stack backtrace: [ 44.408373] CPU: 1 PID: 5461 Comm: syz-executor566 Not tainted 4.4.128-gbd23e3a #20 [ 44.408376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.408385] 0000000000000000 4de63548f4dda405 ffff8800b94af4f0 ffffffff81e0daad [ 44.408393] ffffffff8539cfa0 ffffffff8539cfa0 ffffffff8539cfa0 ffff8800b9b62100 [ 44.408400] 00000002d87420b6 ffff8800b94af698 ffffffff8140faf1 ffffffff85748100 [ 44.408402] Call Trace: [ 44.408411] [] dump_stack+0xc1/0x124 [ 44.408424] [] __lock_acquire.cold.58+0x154/0x58a [ 44.408434] [] ? add_lock_to_list.isra.27.constprop.41+0x140/0x1c0 [ 44.408442] [] ? debug_check_no_locks_freed+0x210/0x210 [ 44.408450] [] ? debug_check_no_locks_freed+0x210/0x210 [ 44.408457] [] ? __lock_is_held+0xa2/0xf0 [ 44.408464] [] lock_acquire+0x15e/0x450 [ 44.408470] [] ? rtnl_lock+0x17/0x20 [ 44.408476] [] ? rtnl_lock+0x17/0x20 [ 44.408485] [] mutex_lock_nested+0xbb/0x850 [ 44.408490] [] ? rtnl_lock+0x17/0x20 [ 44.408498] [] ? qtaguid_untag+0x41f/0x620 [ 44.408504] [] ? mutex_lock_killable_nested+0x980/0x980 [ 44.408511] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 44.408518] [] ? qtaguid_untag+0x323/0x620 [ 44.408524] [] ? __lock_is_held+0xa2/0xf0 [ 44.408530] [] rtnl_lock+0x17/0x20 [ 44.408539] [] ip_mc_drop_socket+0x8c/0x230 [ 44.408545] [] inet_release+0x5b/0x1d0 [ 44.408553] [] sock_release+0x96/0x1c0 [ 44.408560] [] start_sync_thread+0xa18/0x1ed0 [ 44.408568] [] ? finish_task_switch+0x27c/0x4e0 [ 44.408574] [] ? finish_task_switch+0x1bb/0x4e0 [ 44.408583] [] ? ip_vs_proc_sync_conn+0x827/0x827 [ 44.408590] [] ? ip_vs_sync_conn+0x27b0/0x27b0 [ 44.408597] [] ? mark_held_locks+0xc7/0x130 [ 44.408603] [] ? mutex_lock_nested+0x54e/0x850 [ 44.408610] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.408616] [] ? mutex_lock_nested+0x574/0x850 [ 44.408622] [] ? do_ip_vs_set_ctl+0x8e0/0xb70 [ 44.408629] [] ? mutex_lock_killable_nested+0x980/0x980 [ 44.408636] [] ? memcpy+0x45/0x50 [ 44.408642] [] do_ip_vs_set_ctl+0x8f2/0xb70 [ 44.408649] [] ? ip_vs_genl_set_cmd+0x970/0x970 [ 44.408656] [] ? debug_check_no_locks_freed+0x210/0x210 [ 44.408662] [] ? mutex_lock_nested+0x54e/0x850 [ 44.408669] [] ? __mutex_unlock_slowpath+0x209/0x3b0 [ 44.408676] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 44.408683] [] ? sock_has_perm+0x29f/0x400 [ 44.408690] [] ? mutex_unlock+0x9/0x10 [ 44.408697] [] nf_setsockopt+0x6d/0xc0 [ 44.408703] [] ip_setsockopt+0x9a/0xb0 [ 44.408710] [] tcp_setsockopt+0x88/0xe0 [ 44.408718] [] sock_common_setsockopt+0x9a/0xe0 [ 44.408725] [] SyS_setsockopt+0x166/0x260 [ 44.408732] [] ? vmacache_update+0xfe/0x130 [ 44.408738] [] ? SyS_recv+0x40/0x40 [ 44.408745] [] ? retint_user+0x18/0x3c [ 44.408752] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 44.408759] [] entry_SYSCALL_64_fastpath+0x22/0x9e