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 '10.128.0.14' (ECDSA) to the list of known hosts. 2018/04/13 16:09:05 fuzzer started 2018/04/13 16:09:05 dialing manager at 10.128.0.26:33379 2018/04/13 16:09:12 kcov=true, comps=false 2018/04/13 16:09:15 executing program 0: r0 = socket$inet(0x2, 0x3, 0x11) sendmsg(r0, &(0x7f00000008c0)={&(0x7f0000000000)=@in={0x2, 0x0, @loopback=0x7f000001}, 0x10, &(0x7f0000000640), 0x0, &(0x7f0000000700)}, 0x8000) sendmsg(r0, &(0x7f00000002c0)={&(0x7f0000000240)=@in={0x2, 0x0, @loopback=0x7f000001}, 0x80, &(0x7f0000000580)=[{&(0x7f0000000500)="e42405e924608147", 0x8}], 0x1, &(0x7f0000000140)}, 0x0) 2018/04/13 16:09:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000004fc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000000000)=ANY=[@ANYBLOB="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"], 0x1}, 0x1}, 0x0) 2018/04/13 16:09:15 executing program 7: r0 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCGIFCONF(0xffffffffffffffff, 0x8910, &(0x7f0000000140)=@req={0x28, &(0x7f00000000c0)={'teql0\x00', @ifru_flags}}) ioctl$sock_SIOCETHTOOL(r0, 0x89f3, &(0x7f0000000240)={'ip6gre0\x00', &(0x7f0000000100)=@ethtool_dump}) 2018/04/13 16:09:15 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x80000, 0x0, 0x11}, 0x98) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000040)={0x0, 0x10, &(0x7f0000000000)=[@in={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}]}, &(0x7f0000000140)=0x10) 2018/04/13 16:09:15 executing program 4: 2018/04/13 16:09:15 executing program 3: 2018/04/13 16:09:15 executing program 5: 2018/04/13 16:09:15 executing program 6: syzkaller login: [ 45.050641] ip (3892) used greatest stack depth: 54712 bytes left [ 45.145423] ip (3901) used greatest stack depth: 53976 bytes left [ 45.531346] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.538012] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.555861] device bridge_slave_0 entered promiscuous mode [ 45.649583] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.656187] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.704301] device bridge_slave_0 entered promiscuous mode [ 45.764662] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.771196] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.802307] device bridge_slave_1 entered promiscuous mode [ 45.811944] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.818533] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.830759] device bridge_slave_0 entered promiscuous mode [ 45.841238] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.847811] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.858147] device bridge_slave_0 entered promiscuous mode [ 45.868722] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.875268] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.883395] device bridge_slave_0 entered promiscuous mode [ 45.909984] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.916480] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.940017] device bridge_slave_1 entered promiscuous mode [ 45.950438] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.957951] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.964496] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.002229] device bridge_slave_0 entered promiscuous mode [ 46.013156] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.019729] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.029580] device bridge_slave_0 entered promiscuous mode [ 46.036770] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.043249] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.053754] device bridge_slave_0 entered promiscuous mode [ 46.075536] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.086761] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.093316] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.132563] device bridge_slave_1 entered promiscuous mode [ 46.139357] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.145862] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.164015] device bridge_slave_1 entered promiscuous mode [ 46.185525] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.192119] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.203998] device bridge_slave_1 entered promiscuous mode [ 46.212867] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.219359] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.240486] device bridge_slave_1 entered promiscuous mode [ 46.250672] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.258982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.268779] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.275259] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.311563] device bridge_slave_1 entered promiscuous mode [ 46.318250] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.324811] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.357226] device bridge_slave_1 entered promiscuous mode [ 46.383573] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.393953] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.403440] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.413177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.500435] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.575847] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.600108] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.608933] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.637342] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.656722] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.732477] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.799236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.861526] ip (4013) used greatest stack depth: 53656 bytes left [ 47.192106] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.336774] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.425016] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.549441] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.574962] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.583711] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.654718] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.722347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.736769] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.749195] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.831786] ip (4090) used greatest stack depth: 53640 bytes left [ 47.846938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.855683] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.896346] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.955884] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.979311] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.073868] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.326210] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.558323] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.582378] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.760190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.782124] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.791281] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.808779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.853555] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.868980] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.877277] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.919455] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.995968] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.007227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.023147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.073236] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.084618] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.092158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.103787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.141259] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.155460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.162883] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.170360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.180651] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.187992] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.213024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.257409] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.308537] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.315754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.333361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.381876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.389525] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.396694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.409326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.426258] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.446994] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.454429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.466784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.493735] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.503934] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.520019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.556292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.591122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.612719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.633172] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.643750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.661844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.683376] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.691536] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.703325] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.719764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.761018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.788948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.806637] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.814794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.828717] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.841887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.877126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.908394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.933514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.960396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.975183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.986357] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.993556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.001748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.596322] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.602850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.609812] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.616291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.643934] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.650928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.741595] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.748136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.755075] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.761590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.848173] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.861196] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.867705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.874587] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.881096] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.894651] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.073292] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.079861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.086724] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.093199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.105770] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.134300] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.140809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.147664] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.154414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.239112] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.290721] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.297241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.304239] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.310812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.348995] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.356702] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.363202] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.370116] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.376581] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.384455] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.396873] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.403389] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.410329] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.416826] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.431202] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.704861] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.724841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.764944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.787915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.803156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.818081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.826127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.779483] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.872979] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.888178] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.981434] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.053332] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.095786] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.293736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.459205] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.603615] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.609995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.628886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.695608] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.701957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.717713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.741633] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.759310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.791247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.827421] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.833788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.878350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.996151] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.002506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.011303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.041259] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.059207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.095716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.162878] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.169388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.182667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.439367] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.445737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.459560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.786566] ================================================================== [ 68.794097] BUG: KMSAN: uninit-value in __udp4_lib_rcv+0x628/0x4740 [ 68.800548] CPU: 0 PID: 5706 Comm: syz-executor0 Not tainted 4.16.0+ #83 [ 68.807397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.816870] Call Trace: [ 68.819461] [ 68.821624] dump_stack+0x185/0x1d0 [ 68.826495] ? __udp4_lib_rcv+0x628/0x4740 [ 68.830750] kmsan_report+0x142/0x240 [ 68.834579] __msan_warning_32+0x6c/0xb0 [ 68.838657] __udp4_lib_rcv+0x628/0x4740 [ 68.842747] ? raw_local_deliver+0x1462/0x1470 [ 68.847446] udp_rcv+0x5c/0x70 [ 68.850654] ? udp_v4_early_demux+0x1cd0/0x1cd0 [ 68.855344] ip_local_deliver_finish+0x6ed/0xd40 [ 68.860141] ip_local_deliver+0x43c/0x4e0 [ 68.864308] ? ip_local_deliver+0x4e0/0x4e0 [ 68.868649] ? ip_call_ra_chain+0x7b0/0x7b0 [ 68.873038] ip_rcv_finish+0x1253/0x16d0 [ 68.877125] ip_rcv+0x119d/0x16f0 [ 68.880591] ? ip_rcv+0x16f0/0x16f0 [ 68.884265] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.889299] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 68.895140] ? ip_local_deliver_finish+0xd40/0xd40 [ 68.900089] process_backlog+0x62d/0xe20 [ 68.904172] ? rps_trigger_softirq+0x2f0/0x2f0 [ 68.908854] net_rx_action+0x7c1/0x1a70 [ 68.912848] ? net_tx_action+0xab0/0xab0 [ 68.917057] __do_softirq+0x56d/0x93d [ 68.920882] do_softirq_own_stack+0x2a/0x40 [ 68.925409] [ 68.927660] __local_bh_enable_ip+0x114/0x140 [ 68.932361] local_bh_enable+0x36/0x40 [ 68.936268] ip_finish_output2+0x124e/0x1380 [ 68.940718] ip_finish_output+0xcb0/0xff0 [ 68.944904] ip_output+0x502/0x5c0 [ 68.948464] ? ip_mc_finish_output+0x3b0/0x3b0 [ 68.953073] ? ip_finish_output+0xff0/0xff0 [ 68.957423] ip_send_skb+0x5f3/0x820 [ 68.961172] ? __ip_local_out+0x5b0/0x5b0 [ 68.965837] ip_push_pending_frames+0x105/0x170 [ 68.970536] raw_sendmsg+0x2960/0x3ed0 [ 68.974453] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 68.979948] ? compat_raw_ioctl+0x100/0x100 2018/04/13 16:09:43 executing program 5: 2018/04/13 16:09:43 executing program 1: [ 68.984293] inet_sendmsg+0x48d/0x740 [ 68.988114] ? security_socket_sendmsg+0x9e/0x210 [ 68.993027] ? inet_getname+0x500/0x500 [ 68.997346] ___sys_sendmsg+0xec0/0x1310 [ 69.001542] ? __fdget+0x4e/0x60 [ 69.004945] SYSC_sendmsg+0x2a3/0x3d0 [ 69.008783] SyS_sendmsg+0x54/0x80 [ 69.012370] do_syscall_64+0x309/0x430 [ 69.016269] ? ___sys_sendmsg+0x1310/0x1310 [ 69.021169] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.026633] RIP: 0033:0x455319 [ 69.029847] RSP: 002b:00007fe59cbddc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.037679] RAX: ffffffffffffffda RBX: 00007fe59cbde6d4 RCX: 0000000000455319 [ 69.045139] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000013 [ 69.052511] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.059801] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 69.067269] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 69.074584] [ 69.076480] Uninit was stored to memory at: [ 69.080940] kmsan_internal_chain_origin+0x12b/0x210 2018/04/13 16:09:43 executing program 5: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000a40)={0xffffffffffffffff, 0x28, &(0x7f0000000480)}, 0x10) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000088cff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000000)) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f00000004c0)='./file0/file0\x00', 0x0, 0x1, &(0x7f0000000540), 0x0, &(0x7f0000000d80)=ANY=[]) ioctl$DRM_IOCTL_LOCK(0xffffffffffffffff, 0x4008642a, &(0x7f0000000340)) [ 69.086080] kmsan_memcpy_origins+0x11d/0x170 [ 69.090616] __msan_memcpy+0x19f/0x1f0 [ 69.094523] skb_copy_bits+0x63a/0xdb0 [ 69.098427] __pskb_pull_tail+0x483/0x22e0 [ 69.102680] __udp4_lib_rcv+0x55f/0x4740 [ 69.106760] udp_rcv+0x5c/0x70 [ 69.109982] ip_local_deliver_finish+0x6ed/0xd40 [ 69.114770] ip_local_deliver+0x43c/0x4e0 [ 69.118954] ip_rcv_finish+0x1253/0x16d0 [ 69.123051] ip_rcv+0x119d/0x16f0 [ 69.126532] __netif_receive_skb_core+0x47cf/0x4a80 [ 69.131566] process_backlog+0x62d/0xe20 [ 69.135643] net_rx_action+0x7c1/0x1a70 [ 69.139812] __do_softirq+0x56d/0x93d [ 69.143626] Uninit was created at: [ 69.147193] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 69.152334] kmsan_alloc_page+0x82/0xe0 [ 69.156324] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 69.161101] alloc_pages_current+0x6b5/0x970 [ 69.165530] skb_page_frag_refill+0x3ba/0x5e0 [ 69.170056] sk_page_frag_refill+0xa4/0x340 [ 69.174399] __ip_append_data+0x107e/0x3d10 [ 69.178730] ip_append_data+0x2fb/0x440 [ 69.182946] raw_sendmsg+0x287b/0x3ed0 2018/04/13 16:09:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000ffbffc)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x200000014, &(0x7f0000000000)=0x1, 0x364) setsockopt$inet_tcp_int(r0, 0x6, 0x15, &(0x7f0000ffcffc), 0x4) [ 69.186843] inet_sendmsg+0x48d/0x740 [ 69.190663] ___sys_sendmsg+0xec0/0x1310 [ 69.194735] SYSC_sendmsg+0x2a3/0x3d0 [ 69.198550] SyS_sendmsg+0x54/0x80 [ 69.202113] do_syscall_64+0x309/0x430 [ 69.206020] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.211230] ================================================================== [ 69.218682] Disabling lock debugging due to kernel taint [ 69.224356] Kernel panic - not syncing: panic_on_warn set ... [ 69.224356] [ 69.231739] CPU: 0 PID: 5706 Comm: syz-executor0 Tainted: G B 4.16.0+ #83 [ 69.239886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.249249] Call Trace: [ 69.251842] [ 69.254022] dump_stack+0x185/0x1d0 [ 69.257671] panic+0x39d/0x940 [ 69.260900] ? __udp4_lib_rcv+0x628/0x4740 [ 69.265237] kmsan_report+0x238/0x240 [ 69.269069] __msan_warning_32+0x6c/0xb0 [ 69.273156] __udp4_lib_rcv+0x628/0x4740 [ 69.277247] ? raw_local_deliver+0x1462/0x1470 [ 69.281977] udp_rcv+0x5c/0x70 2018/04/13 16:09:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000ffbffc)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x200000014, &(0x7f0000000000)=0x1, 0x364) setsockopt$inet_tcp_int(r0, 0x6, 0x15, &(0x7f0000ffcffc), 0x4) [ 69.285234] ? udp_v4_early_demux+0x1cd0/0x1cd0 [ 69.289924] ip_local_deliver_finish+0x6ed/0xd40 [ 69.294757] ip_local_deliver+0x43c/0x4e0 [ 69.298919] ? ip_local_deliver+0x4e0/0x4e0 [ 69.303254] ? ip_call_ra_chain+0x7b0/0x7b0 [ 69.307604] ip_rcv_finish+0x1253/0x16d0 [ 69.311705] ip_rcv+0x119d/0x16f0 [ 69.315179] ? ip_rcv+0x16f0/0x16f0 [ 69.318848] __netif_receive_skb_core+0x47cf/0x4a80 [ 69.324262] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 69.330112] ? ip_local_deliver_finish+0xd40/0xd40 [ 69.335065] process_backlog+0x62d/0xe20 2018/04/13 16:09:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000ffbffc)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x200000014, &(0x7f0000000000)=0x1, 0x364) setsockopt$inet_tcp_int(r0, 0x6, 0x15, &(0x7f0000ffcffc), 0x4) [ 69.339157] ? rps_trigger_softirq+0x2f0/0x2f0 [ 69.343767] net_rx_action+0x7c1/0x1a70 [ 69.347766] ? net_tx_action+0xab0/0xab0 [ 69.351844] __do_softirq+0x56d/0x93d [ 69.355685] do_softirq_own_stack+0x2a/0x40 [ 69.360040] [ 69.362295] __local_bh_enable_ip+0x114/0x140 [ 69.366802] local_bh_enable+0x36/0x40 [ 69.370707] ip_finish_output2+0x124e/0x1380 [ 69.375222] ip_finish_output+0xcb0/0xff0 [ 69.379393] ip_output+0x502/0x5c0 [ 69.382958] ? ip_mc_finish_output+0x3b0/0x3b0 [ 69.387566] ? ip_finish_output+0xff0/0xff0 [ 69.391901] ip_send_skb+0x5f3/0x820 [ 69.395683] ? __ip_local_out+0x5b0/0x5b0 [ 69.399859] ip_push_pending_frames+0x105/0x170 [ 69.404552] raw_sendmsg+0x2960/0x3ed0 [ 69.408474] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 69.413885] ? compat_raw_ioctl+0x100/0x100 [ 69.418228] inet_sendmsg+0x48d/0x740 [ 69.422052] ? security_socket_sendmsg+0x9e/0x210 [ 69.427117] ? inet_getname+0x500/0x500 [ 69.431105] ___sys_sendmsg+0xec0/0x1310 [ 69.435182] ? __fdget+0x4e/0x60 2018/04/13 16:09:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000ffbffc)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x200000014, &(0x7f0000000000)=0x1, 0x364) setsockopt$inet_tcp_int(r0, 0x6, 0x15, &(0x7f0000ffcffc), 0x4) [ 69.438571] SYSC_sendmsg+0x2a3/0x3d0 [ 69.442565] SyS_sendmsg+0x54/0x80 [ 69.446122] do_syscall_64+0x309/0x430 [ 69.450116] ? ___sys_sendmsg+0x1310/0x1310 [ 69.454456] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.459650] RIP: 0033:0x455319 [ 69.462879] RSP: 002b:00007fe59cbddc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.470600] RAX: ffffffffffffffda RBX: 00007fe59cbde6d4 RCX: 0000000000455319 [ 69.477912] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000013 2018/04/13 16:09:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000ffbffc)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x15, &(0x7f0000ffcffc), 0x4) [ 69.485199] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.492475] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 69.499775] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 69.507524] Dumping ftrace buffer: [ 69.511058] (ftrace buffer empty) [ 69.514748] Kernel Offset: disabled [ 69.518366] Rebooting in 86400 seconds..