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 '10.128.10.32' (ECDSA) to the list of known hosts. 2018/04/20 23:47:42 fuzzer started 2018/04/20 23:47:42 dialing manager at 10.128.0.26:40315 2018/04/20 23:47:49 kcov=true, comps=false 2018/04/20 23:47:51 executing program 0: 2018/04/20 23:47:51 executing program 1: syz_emit_ethernet(0x2a, &(0x7f0000000000)={@link_local={0x1, 0x80, 0xc2}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x29, 0x0, @empty, @broadcast=0xffffffff}, @udp={0x0, 0x0, 0x8}}}}}, &(0x7f0000000380)) 2018/04/20 23:47:51 executing program 2: r0 = socket(0x1e, 0x2, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) sendmsg(r0, &(0x7f000095ffc8)={&(0x7f0000000040)=@generic={0x10000000001e, "bc07000000008d0000000001e526cc573c5bf86c483724c71e14dd6a739effea1b48006be61ffe00000003000000f8000007003f010039d8f986ff01000000000000af50d5fe32c419d67bcbc7e3ad316a198374edb9b7341c1fd4cb24281e27800000100076c3979ac40000bd837e2e78a1dfd300881a1565b3b16d7436"}, 0x80, &(0x7f0000000440)=[{&(0x7f00000000c0)="56bd9a550c05d66c0a6618c0a9ceb36304d39f5b294c69fa7b7823a5dd64e4e7c55b029d392163d0c541ad88761a652be16be90701d01f2879da84ed7000f0b16e0418166009", 0x46}], 0x1, &(0x7f00002d4000), 0x0, 0x2000000000000000}, 0x0) 2018/04/20 23:47:52 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$sg(&(0x7f0000d08ff7)='/dev/sg#\x00', 0x0, 0x81) close(r0) 2018/04/20 23:47:52 executing program 4: 2018/04/20 23:47:52 executing program 5: 2018/04/20 23:47:52 executing program 3: 2018/04/20 23:47:52 executing program 6: syzkaller login: [ 43.370249] ip (3761) used greatest stack depth: 54672 bytes left [ 43.774911] ip (3803) used greatest stack depth: 54408 bytes left [ 44.589748] ip (3886) used greatest stack depth: 54200 bytes left [ 45.067702] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.074217] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.084752] ip (3925) used greatest stack depth: 53640 bytes left [ 45.127422] device bridge_slave_0 entered promiscuous mode [ 45.139432] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.145886] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.155630] device bridge_slave_0 entered promiscuous mode [ 45.210169] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.216673] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.244733] device bridge_slave_0 entered promiscuous mode [ 45.292798] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.299283] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.345346] device bridge_slave_1 entered promiscuous mode [ 45.355936] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.362385] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.407929] device bridge_slave_1 entered promiscuous mode [ 45.414710] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.421295] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.437937] device bridge_slave_0 entered promiscuous mode [ 45.458508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.470921] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.477401] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.506417] device bridge_slave_0 entered promiscuous mode [ 45.519636] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.526143] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.537194] device bridge_slave_0 entered promiscuous mode [ 45.545477] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.551972] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.570707] device bridge_slave_1 entered promiscuous mode [ 45.580340] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.586823] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.597249] device bridge_slave_0 entered promiscuous mode [ 45.612150] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.618594] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.638150] device bridge_slave_0 entered promiscuous mode [ 45.650780] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.658435] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.674918] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.681413] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.713110] device bridge_slave_1 entered promiscuous mode [ 45.743104] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.749607] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.779591] device bridge_slave_1 entered promiscuous mode [ 45.788698] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.795173] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.809700] device bridge_slave_1 entered promiscuous mode [ 45.821936] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.834621] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.844865] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.851329] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.870562] device bridge_slave_1 entered promiscuous mode [ 45.894246] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.908458] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.914997] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.956711] device bridge_slave_1 entered promiscuous mode [ 45.981220] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.990761] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.013716] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.077793] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.122220] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.176874] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.190923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.198500] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.299447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.409905] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.669313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.765066] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.876601] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.979986] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.021985] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.115789] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.147523] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.225270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.232396] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.300823] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.311856] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.335884] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.406640] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.460469] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.533615] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.614308] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.833059] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.981336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.100625] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.201598] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.274420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.304617] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.311843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.324923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.343361] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.362390] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.402405] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.455799] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.463135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.481886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.517266] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.527801] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.541524] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.550952] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.558752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.584424] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.595214] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.618202] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.671839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.698414] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.706915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.728709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.766501] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.779973] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.800299] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.808319] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.817298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.838089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.864213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.897440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.921886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.930167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.947353] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.962360] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.981180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.995783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.029979] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.037573] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.046426] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.057501] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.064789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.082538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.106431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.133708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.151660] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.165470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.179636] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.198742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.214325] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.234125] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.256417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.283591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.291086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.317311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.346076] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.353272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.373303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.546288] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.553555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.563882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.059641] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.066149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.073025] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.079516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.121923] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.130111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.161895] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.168385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.175303] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.181776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.217458] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.305611] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.312120] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.318995] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.325439] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.364864] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.403023] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.409526] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.416350] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.422799] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.487836] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.552105] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.558579] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.565445] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.571898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.613959] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.630614] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.637112] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.643966] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.650413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.659159] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.858106] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.864608] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.871503] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.877980] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.930961] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.971098] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.977593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.984480] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.990943] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.076152] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.191477] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.213725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.244698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.278663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.298476] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.305593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.313482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.413293] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.453454] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.710928] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.016137] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.034175] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.101943] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.189696] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.195940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.210886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.268824] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.276756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.299725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.325711] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.467476] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.473751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.483908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.523827] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.755958] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.762250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.773962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.809707] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.817870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.849641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.977869] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.984198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.995796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.091164] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.097424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.109933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.307960] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.314250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.325903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/20 23:48:18 executing program 4: 2018/04/20 23:48:18 executing program 1: 2018/04/20 23:48:18 executing program 5: 2018/04/20 23:48:18 executing program 4: 2018/04/20 23:48:18 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0x0, 0x0}) sendmmsg(r0, &(0x7f0000008600)=[{{0x0, 0x0, &(0x7f0000001340)}}, {{&(0x7f0000000040)=@un=@file={0x0, './file0\x00'}, 0x80, &(0x7f0000000040), 0x0, &(0x7f00000000c0)=[{0xc, 0x1, 0x2}], 0xc}}], 0x2, 0x0) 2018/04/20 23:48:18 executing program 5: r0 = syz_open_dev$mice(&(0x7f00002ac000)='/dev/input/mice\x00', 0x0, 0x3e) r1 = syz_open_procfs(0x0, &(0x7f0000000000)="6e65742f6970365f7461626c65735f6e616d65730017") sendfile(r0, r1, &(0x7f00008d1000), 0x401) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0x1e, 0x0, 0x0) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000265000), 0x10) read(r0, &(0x7f0000001540)=""/182, 0xb6) 2018/04/20 23:48:18 executing program 4: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mincore(&(0x7f00003fc000/0xc00000)=nil, 0xc0df0e, &(0x7f0000f4c000)=""/4096) 2018/04/20 23:48:18 executing program 1: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = getpid() getpriority(0x2, r0) [ 67.867405] ================================================================== [ 67.874824] BUG: KMSAN: uninit-value in tipc_node_get_mtu+0x200/0x7a0 [ 67.881412] CPU: 1 PID: 5769 Comm: syz-executor2 Not tainted 4.16.0+ #84 [ 67.888247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.897600] Call Trace: [ 67.900201] dump_stack+0x185/0x1d0 [ 67.903836] ? tipc_node_get_mtu+0x200/0x7a0 [ 67.908250] kmsan_report+0x142/0x240 [ 67.912065] __msan_warning_32+0x6c/0xb0 [ 67.916136] tipc_node_get_mtu+0x200/0x7a0 [ 67.920382] __tipc_sendmsg+0x1b32/0x41c0 [ 67.924529] ? kmsan_set_origin_inline+0x6b/0x120 [ 67.929371] ? __msan_poison_alloca+0x15c/0x1d0 [ 67.934044] ? local_bh_enable+0x36/0x40 [ 67.938115] tipc_sendmsg+0xeb/0x140 [ 67.941842] ? tipc_recvmsg+0x1c30/0x1c30 [ 67.945995] ___sys_sendmsg+0xec0/0x1310 [ 67.950077] ? __fdget+0x4e/0x60 [ 67.953463] SYSC_sendmsg+0x2a3/0x3d0 [ 67.957278] SyS_sendmsg+0x54/0x80 [ 67.960819] do_syscall_64+0x309/0x430 [ 67.964718] ? ___sys_sendmsg+0x1310/0x1310 [ 67.969053] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.974243] RIP: 0033:0x455379 [ 67.977429] RSP: 002b:00007f5ab22e4c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.985156] RAX: ffffffffffffffda RBX: 00007f5ab22e56d4 RCX: 0000000000455379 [ 67.992422] RDX: 0000000000000000 RSI: 000000002095ffc8 RDI: 0000000000000013 [ 67.999675] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.006925] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.014178] R13: 00000000000004d5 R14: 00000000006fa498 R15: 0000000000000000 [ 68.021433] [ 68.023048] Local variable description: ----dnode@__tipc_sendmsg [ 68.029177] Variable was created at: [ 68.032890] __tipc_sendmsg+0x20c/0x41c0 [ 68.036940] tipc_sendmsg+0xeb/0x140 [ 68.040649] ================================================================== [ 68.047988] Disabling lock debugging due to kernel taint [ 68.053430] Kernel panic - not syncing: panic_on_warn set ... [ 68.053430] [ 68.060788] CPU: 1 PID: 5769 Comm: syz-executor2 Tainted: G B 4.16.0+ #84 [ 68.068910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.078253] Call Trace: [ 68.080826] dump_stack+0x185/0x1d0 [ 68.084440] panic+0x39d/0x940 [ 68.087624] ? tipc_node_get_mtu+0x200/0x7a0 [ 68.092013] kmsan_report+0x238/0x240 [ 68.095808] __msan_warning_32+0x6c/0xb0 [ 68.099868] tipc_node_get_mtu+0x200/0x7a0 [ 68.104091] __tipc_sendmsg+0x1b32/0x41c0 [ 68.108220] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.113045] ? __msan_poison_alloca+0x15c/0x1d0 [ 68.117696] ? local_bh_enable+0x36/0x40 [ 68.121742] tipc_sendmsg+0xeb/0x140 [ 68.125435] ? tipc_recvmsg+0x1c30/0x1c30 [ 68.129564] ___sys_sendmsg+0xec0/0x1310 [ 68.133621] ? __fdget+0x4e/0x60 [ 68.136996] SYSC_sendmsg+0x2a3/0x3d0 [ 68.140804] SyS_sendmsg+0x54/0x80 [ 68.144337] do_syscall_64+0x309/0x430 [ 68.148209] ? ___sys_sendmsg+0x1310/0x1310 [ 68.152527] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.157707] RIP: 0033:0x455379 [ 68.160884] RSP: 002b:00007f5ab22e4c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.168577] RAX: ffffffffffffffda RBX: 00007f5ab22e56d4 RCX: 0000000000455379 [ 68.175832] RDX: 0000000000000000 RSI: 000000002095ffc8 RDI: 0000000000000013 [ 68.183092] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.190348] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.197602] R13: 00000000000004d5 R14: 00000000006fa498 R15: 0000000000000000 [ 68.205294] Dumping ftrace buffer: [ 68.208819] (ftrace buffer empty) [ 68.212506] Kernel Offset: disabled [ 68.216110] Rebooting in 86400 seconds..