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 '10.128.0.37' (ECDSA) to the list of known hosts. syzkaller login: [ 30.598524] IPVS: ftp: loaded support on port[0] = 21 [ 30.607839] IPVS: ftp: loaded support on port[0] = 21 [ 30.612333] IPVS: ftp: loaded support on port[0] = 21 [ 30.617608] IPVS: ftp: loaded support on port[0] = 21 [ 30.622748] IPVS: ftp: loaded support on port[0] = 21 [ 30.625627] IPVS: ftp: loaded support on port[0] = 21 [ 30.631951] IPVS: ftp: loaded support on port[0] = 21 [ 30.635636] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program [ 30.778788] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.808981] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.822839] IPVS: stopping backup sync thread 4514 ... executing program executing program executing program [ 30.832609] IPVS: stopping backup sync thread 4520 ... [ 30.840643] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.846072] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.857849] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.866812] IPVS: stopping backup sync thread 4528 ... [ 30.876925] IPVS: stopping backup sync thread 4532 ... executing program executing program executing program executing program [ 30.881613] IPVS: stopping backup sync thread 4535 ... [ 30.886504] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.911177] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.919999] IPVS: stopping backup sync thread 4543 ... executing program executing program [ 30.934612] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.948393] IPVS: stopping backup sync thread 4564 ... [ 30.957220] IPVS: stopping backup sync thread 4553 ... [ 30.967051] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 30.971317] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program [ 30.977325] IPVS: stopping backup sync thread 4569 ... [ 30.985788] IPVS: stopping backup sync thread 4582 ... [ 30.996569] IPVS: stopping backup sync thread 4586 ... [ 31.006500] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.017882] IPVS: stopping backup sync thread 4591 ... executing program executing program [ 31.044981] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.060987] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.072528] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.074641] IPVS: stopping backup sync thread 4605 ... [ 31.089368] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.098819] IPVS: stopping backup sync thread 4611 ... [ 31.100434] IPVS: stopping backup sync thread 4613 ... [ 31.109517] IPVS: stopping backup sync thread 4615 ... [ 31.116806] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.118282] IPVS: stopping backup sync thread 4624 ... [ 31.132273] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program [ 31.139214] IPVS: stopping backup sync thread 4630 ... executing program executing program executing program [ 31.166575] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.177383] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.186662] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.191223] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.208247] IPVS: stopping backup sync thread 4643 ... executing program [ 31.209981] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.223428] IPVS: stopping backup sync thread 4646 ... [ 31.230356] IPVS: stopping backup sync thread 4656 ... [ 31.231565] IPVS: stopping backup sync thread 4648 ... [ 31.237888] IPVS: stopping backup sync thread 4651 ... [ 31.243428] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program [ 31.259556] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.273366] IPVS: stopping backup sync thread 4665 ... [ 31.280548] IPVS: stopping backup sync thread 4669 ... [ 31.286648] IPVS: stopping backup sync thread 4677 ... executing program executing program executing program executing program [ 31.310099] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.327546] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.331927] IPVS: stopping backup sync thread 4689 ... [ 31.343456] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.356633] IPVS: stopping backup sync thread 4695 ... [ 31.358317] IPVS: stopping backup sync thread 4705 ... [ 31.364007] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.376305] IPVS: stopping backup sync thread 4711 ... [ 31.382365] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.385175] IPVS: stopping backup sync thread 4717 ... [ 31.399290] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program [ 31.411128] IPVS: stopping backup sync thread 4720 ... [ 31.420525] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.423210] IPVS: stopping backup sync thread 4726 ... [ 31.438711] IPVS: stopping backup sync thread 4731 ... [ 31.440370] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program [ 31.458544] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.469444] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.485054] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.495153] IPVS: stopping backup sync thread 4743 ... [ 31.499190] IPVS: stopping backup sync thread 4738 ... executing program executing program [ 31.507213] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.512473] IPVS: stopping backup sync thread 4750 ... [ 31.522351] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.525457] IPVS: stopping backup sync thread 4754 ... [ 31.537889] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.538270] IPVS: stopping backup sync thread 4761 ... executing program executing program executing program executing program executing program executing program [ 31.556375] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.565332] IPVS: stopping backup sync thread 4770 ... [ 31.572139] IPVS: stopping backup sync thread 4772 ... [ 31.580535] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.596536] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program [ 31.609257] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.618447] IPVS: stopping backup sync thread 4780 ... [ 31.625916] IPVS: stopping backup sync thread 4782 ... [ 31.631788] IPVS: stopping backup sync thread 4791 ... [ 31.631820] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.643815] IPVS: stopping backup sync thread 4801 ... [ 31.651516] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program [ 31.665109] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.672290] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.679933] IPVS: stopping backup sync thread 4805 ... [ 31.683826] IPVS: stopping backup sync thread 4817 ... [ 31.697782] IPVS: stopping backup sync thread 4810 ... [ 31.701060] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program executing program [ 31.714398] IPVS: stopping backup sync thread 4819 ... [ 31.725210] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.736575] IPVS: stopping backup sync thread 4829 ... [ 31.744934] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.747524] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program [ 31.768354] IPVS: stopping backup sync thread 4844 ... [ 31.774394] IPVS: stopping backup sync thread 4839 ... [ 31.779814] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.786649] IPVS: stopping backup sync thread 4835 ... [ 31.799037] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.810606] IPVS: stopping backup sync thread 4852 ... executing program [ 31.815829] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.822870] IPVS: stopping backup sync thread 4858 ... [ 31.832118] IPVS: stopping backup sync thread 4865 ... [ 31.840690] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.841603] IPVS: stopping backup sync thread 4868 ... [ 31.851469] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program executing program executing program [ 31.864801] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.878134] IPVS: stopping backup sync thread 4878 ... [ 31.884586] IPVS: stopping backup sync thread 4880 ... [ 31.890210] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.893366] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.899126] IPVS: stopping backup sync thread 4886 ... executing program executing program [ 31.924307] IPVS: stopping backup sync thread 4895 ... [ 31.925574] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.939800] IPVS: stopping backup sync thread 4905 ... [ 31.947941] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.959238] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program [ 31.973140] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.979112] IPVS: stopping backup sync thread 4910 ... [ 31.987828] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 31.993377] IPVS: stopping backup sync thread 4916 ... [ 31.997131] IPVS: stopping backup sync thread 4926 ... [ 32.007842] IPVS: stopping backup sync thread 4923 ... [ 32.011151] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program executing program [ 32.028950] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.035505] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.056741] IPVS: stopping backup sync thread 4933 ... [ 32.057966] IPVS: stopping backup sync thread 4930 ... [ 32.072979] IPVS: stopping backup sync thread 4939 ... executing program [ 32.079703] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.080114] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.097496] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.100821] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.108127] IPVS: stopping backup sync thread 4955 ... [ 32.117665] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program [ 32.133065] IPVS: stopping backup sync thread 4958 ... [ 32.138850] IPVS: stopping backup sync thread 4962 ... [ 32.139922] IPVS: stopping backup sync thread 4959 ... [ 32.151467] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.164264] IPVS: stopping backup sync thread 4964 ... [ 32.171840] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program executing program executing program executing program [ 32.183642] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.196641] IPVS: stopping backup sync thread 4977 ... [ 32.206404] IPVS: stopping backup sync thread 4986 ... [ 32.216481] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.221276] IPVS: stopping backup sync thread 4984 ... [ 32.231473] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.246803] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.247949] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.257204] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.264823] IPVS: stopping backup sync thread 5002 ... [ 32.277097] IPVS: stopping backup sync thread 5004 ... executing program executing program [ 32.284578] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.293591] IPVS: stopping backup sync thread 5015 ... [ 32.298914] IPVS: stopping backup sync thread 5018 ... [ 32.303975] IPVS: stopping backup sync thread 5021 ... [ 32.306338] IPVS: stopping backup sync thread 5011 ... executing program executing program executing program executing program executing program executing program [ 32.326846] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.338969] IPVS: stopping backup sync thread 5030 ... [ 32.346185] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.360272] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.374308] IPVS: stopping backup sync thread 5038 ... executing program [ 32.383196] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.383219] IPVS: stopping backup sync thread 5042 ... [ 32.398294] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.408585] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.420431] IPVS: stopping backup sync thread 5056 ... [ 32.426282] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program [ 32.431009] IPVS: stopping backup sync thread 5065 ... [ 32.435307] IPVS: stopping backup sync thread 5061 ... [ 32.452639] IPVS: stopping backup sync thread 5059 ... [ 32.453693] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.465327] IPVS: stopping backup sync thread 5074 ... executing program executing program executing program executing program executing program [ 32.477204] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.486698] IPVS: stopping backup sync thread 5080 ... [ 32.506148] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.518573] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program executing program [ 32.533240] IPVS: stopping backup sync thread 5092 ... [ 32.539586] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.544032] IPVS: stopping backup sync thread 5096 ... [ 32.552168] IPVS: stopping backup sync thread 5106 ... [ 32.559182] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.573735] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.584882] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.595470] IPVS: stopping backup sync thread 5116 ... [ 32.600936] IPVS: stopping backup sync thread 5121 ... [ 32.608907] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.615694] IPVS: stopping backup sync thread 5127 ... [ 32.617913] IPVS: stopping backup sync thread 5113 ... executing program executing program executing program executing program executing program executing program [ 32.632684] IPVS: stopping backup sync thread 5136 ... [ 32.636994] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.648980] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.659302] IPVS: stopping backup sync thread 5141 ... [ 32.663087] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.676745] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program executing program [ 32.696114] IPVS: stopping backup sync thread 5146 ... [ 32.711581] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.717289] IPVS: stopping backup sync thread 5147 ... [ 32.723684] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.734884] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.747739] IPVS: stopping backup sync thread 5164 ... [ 32.751144] IPVS: stopping backup sync thread 5166 ... [ 32.760249] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 [ 32.773115] IPVS: stopping backup sync thread 5169 ... [ 32.773798] IPVS: stopping backup sync thread 5179 ... [ 32.785574] IPVS: sync thread started: state = BACKUP, mcast_ifn = tunl0, syncid = 4, id = 0 executing program [ 32.786357] IPVS: stopping backup sync thread 5187 ... [ 32.800169] [ 32.801817] ============================================ [ 32.807255] WARNING: possible recursive locking detected [ 32.812706] 4.16.0+ #5 Not tainted [ 32.816229] -------------------------------------------- [ 32.821663] syzkaller200746/5162 is trying to acquire lock: [ 32.827347] 00000000e2ba0050 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 32.834181] [ 32.834181] but task is already holding lock: [ 32.840141] 00000000e2ba0050 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 32.846998] [ 32.846998] other info that might help us debug this: [ 32.853661] Possible unsafe locking scenario: [ 32.853661] [ 32.859698] CPU0 [ 32.862257] ---- [ 32.864813] lock(rtnl_mutex); [ 32.868068] lock(rtnl_mutex); [ 32.871323] [ 32.871323] *** DEADLOCK *** [ 32.871323] [ 32.877358] May be due to missing lock nesting notation [ 32.877358] [ 32.884261] 2 locks held by syzkaller200746/5162: [ 32.889077] #0: 00000000e2ba0050 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 32.896343] #1: 00000000e554d3bd (ipvs->sync_mutex){+.+.}, at: do_ip_vs_set_ctl+0x562/0x1d30 [ 32.904994] [ 32.904994] stack backtrace: [ 32.909477] CPU: 0 PID: 5162 Comm: syzkaller200746 Not tainted 4.16.0+ #5 [ 32.916381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.925736] Call Trace: [ 32.928313] dump_stack+0x1b9/0x294 [ 32.931922] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.937093] ? print_lock+0xd1/0xd6 [ 32.940719] ? vprintk_func+0x81/0xe7 [ 32.944527] __lock_acquire.cold.62+0x18c/0x55b [ 32.949191] ? debug_check_no_locks_freed+0x310/0x310 [ 32.954365] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.958843] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.963841] ? trace_hardirqs_on+0xd/0x10 [ 32.967977] ? __lock_acquire+0x7f5/0x5140 [ 32.972213] ? copy_overflow+0x20/0x20 [ 32.976083] ? debug_check_no_locks_freed+0x310/0x310 [ 32.981258] ? __schedule+0x809/0x1e30 [ 32.985129] ? graph_lock+0x170/0x170 [ 32.988910] ? kasan_check_read+0x11/0x20 [ 32.993042] ? graph_lock+0x170/0x170 [ 32.996819] ? graph_lock+0x170/0x170 [ 33.000600] lock_acquire+0x1dc/0x520 [ 33.004397] ? rtnl_lock+0x17/0x20 [ 33.007920] ? lock_release+0xa10/0xa10 [ 33.011878] ? check_same_owner+0x320/0x320 [ 33.016190] ? schedule+0xef/0x430 [ 33.019735] ? rcu_note_context_switch+0x710/0x710 [ 33.024647] ? __schedule+0x1e30/0x1e30 [ 33.028606] ? __might_sleep+0x95/0x190 [ 33.032565] ? rtnl_lock+0x17/0x20 [ 33.036093] __mutex_lock+0x16d/0x17f0 [ 33.039959] ? rtnl_lock+0x17/0x20 [ 33.043481] ? rtnl_lock+0x17/0x20 [ 33.047006] ? mutex_trylock+0x2a0/0x2a0 [ 33.051058] ? mark_held_locks+0xc9/0x160 [ 33.055193] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 33.059763] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.064237] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.069236] ? trace_hardirqs_on+0xd/0x10 [ 33.073372] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.077862] ? wait_for_completion_killable+0x56c/0x960 [ 33.083219] ? wait_for_completion_interruptible_timeout+0x960/0x960 [ 33.089697] ? lock_downgrade+0x8e0/0x8e0 [ 33.093835] ? kasan_check_read+0x11/0x20 [ 33.097966] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.102356] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 33.106926] ? wake_up_q+0x100/0x100 [ 33.110624] ? kasan_check_write+0x14/0x20 [ 33.114841] ? do_raw_spin_lock+0xc1/0x200 [ 33.119069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.124590] ? __kthread_create_on_node+0x34f/0x4c0 [ 33.129590] ? __kthread_parkme+0x280/0x280 [ 33.133897] ? __lock_is_held+0xb5/0x140 [ 33.137942] mutex_lock_nested+0x16/0x20 [ 33.141985] ? mutex_lock_nested+0x16/0x20 [ 33.146201] rtnl_lock+0x17/0x20 [ 33.149549] ip_mc_drop_socket+0x8f/0x270 [ 33.153680] inet_release+0x4e/0x1f0 [ 33.157379] sock_release+0x96/0x1b0 [ 33.161078] start_sync_thread+0xdc3/0x2d40 [ 33.165383] ? ip_vs_process_message+0xa0a/0xa0a [ 33.170123] ? ip_vs_sync_conn+0x33a0/0x33a0 [ 33.174516] ? graph_lock+0x170/0x170 [ 33.178296] ? lock_downgrade+0x8e0/0x8e0 [ 33.182431] ? lock_downgrade+0x8e0/0x8e0 [ 33.186585] ? kasan_check_read+0x11/0x20 [ 33.190727] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.195122] ? __local_bh_enable_ip+0x161/0x230 [ 33.199776] ? find_held_lock+0x36/0x1c0 [ 33.203832] ? lock_downgrade+0x8e0/0x8e0 [ 33.207971] ? lock_release+0xa10/0xa10 [ 33.211931] ? check_same_owner+0x320/0x320 [ 33.216244] ? module_unload_free+0x5b0/0x5b0 [ 33.220733] do_ip_vs_set_ctl+0x59c/0x1d30 [ 33.224957] ? find_held_lock+0x36/0x1c0 [ 33.229005] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 33.233491] ? lock_downgrade+0x8e0/0x8e0 [ 33.237624] ? kasan_check_read+0x11/0x20 [ 33.241756] ? rcu_is_watching+0x85/0x140 [ 33.245893] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.251088] ? kasan_check_write+0x14/0x20 [ 33.255309] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 33.260224] ? wait_for_completion+0x870/0x870 [ 33.264789] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 33.269529] ? module_unload_free+0x5b0/0x5b0 [ 33.274015] ? find_held_lock+0x36/0x1c0 [ 33.278074] ? mutex_unlock+0xd/0x10 [ 33.281771] nf_setsockopt+0x7d/0xd0 [ 33.285465] ? nf_setsockopt+0x7d/0xd0 [ 33.289349] ip_setsockopt+0xd8/0xf0 [ 33.293046] tcp_setsockopt+0x93/0xe0 [ 33.296828] sock_common_setsockopt+0x9a/0xe0 [ 33.301306] __sys_setsockopt+0x1bd/0x390 [ 33.305438] ? kernel_accept+0x310/0x310 [ 33.309486] ? mm_fault_error+0x380/0x380 [ 33.313620] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 33.318445] SyS_setsockopt+0x34/0x50 [ 33.322231] ? SyS_recv+0x40/0x40 [ 33.325673] do_syscall_64+0x29e/0x9d0 [ 33.329552] ? vmalloc_sync_all+0x30/0x30 [ 33.333687] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.338171] ? finish_task_switch+0x1ca/0x810 [ 33.342672] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.347592] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.352506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.358033] ? retint_user+0x18/0x18 [ 33.361733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.366560] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.371732] RIP: 0033:0x446a49 [ 33.374900] RSP: 002b:00007f8133e76db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 33.382589] RAX: ffffffffffffffda RBX: 00000000006e29e4 RCX: 0000000000446a49 [ 33.389841] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000003 [ 33.397090] RBP: 00000000006e29e0 R08: 0000000000000018 R09: 0000000000000000 [ 33.404343] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000 [ 33.411596] R13: 00007ffd45b878df R14: 00007f8133e779c0 R15: 00000000006e2b60