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 '10.128.0.52' (ECDSA) to the list of known hosts. 2018/04/17 17:25:20 fuzzer started 2018/04/17 17:25:20 dialing manager at 10.128.0.26:43021 2018/04/17 17:25:27 kcov=true, comps=false 2018/04/17 17:25:30 executing program 0: 2018/04/17 17:25:30 executing program 1: 2018/04/17 17:25:30 executing program 4: 2018/04/17 17:25:30 executing program 7: 2018/04/17 17:25:30 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000480)='./file0\x00', 0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f0000000240)=ANY=[]) mount(&(0x7f0000000440)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='autofs\x00', 0x0, &(0x7f0000000040)) 2018/04/17 17:25:30 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'bcsh0\x00', 0xb002}) r1 = socket$unix(0x1, 0x2, 0x0) ioctl$TUNSETLINK(r0, 0x400454cd, 0x30a) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000080)={'bcsh0:\x00', 0x1}) 2018/04/17 17:25:30 executing program 6: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syslog(0x3, &(0x7f0000000080)=""/42, 0x32c) 2018/04/17 17:25:31 executing program 3: capset(&(0x7f000043fff8)={0x19980330}, &(0x7f0000000000)={0xffffffff, 0xffffffffffffffff}) syslog(0x0, &(0x7f0000000080)=""/23, 0x17) syzkaller login: [ 43.353509] ip (3750) used greatest stack depth: 54672 bytes left [ 44.775790] ip (3884) used greatest stack depth: 54200 bytes left [ 45.285685] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.292214] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.333647] device bridge_slave_0 entered promiscuous mode [ 45.394284] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.400812] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.441143] device bridge_slave_0 entered promiscuous mode [ 45.463290] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.469800] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.479338] device bridge_slave_0 entered promiscuous mode [ 45.509846] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.516380] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.568428] device bridge_slave_1 entered promiscuous mode [ 45.584363] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.590889] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.605906] device bridge_slave_0 entered promiscuous mode [ 45.618309] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.624814] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.655467] device bridge_slave_0 entered promiscuous mode [ 45.663759] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.670275] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.680823] device bridge_slave_0 entered promiscuous mode [ 45.696640] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.703145] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.712935] device bridge_slave_0 entered promiscuous mode [ 45.730960] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.737493] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.761781] device bridge_slave_1 entered promiscuous mode [ 45.779291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.788423] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.794939] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.831097] device bridge_slave_0 entered promiscuous mode [ 45.848238] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.854757] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.865227] device bridge_slave_1 entered promiscuous mode [ 45.878934] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.885435] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.900172] device bridge_slave_1 entered promiscuous mode [ 45.916834] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.925819] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.932318] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.943990] device bridge_slave_1 entered promiscuous mode [ 45.963242] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.970844] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.977371] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.010112] device bridge_slave_1 entered promiscuous mode [ 46.016983] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.023498] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.047600] device bridge_slave_1 entered promiscuous mode [ 46.076936] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.088379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.096109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.103566] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.110165] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.147143] device bridge_slave_1 entered promiscuous mode [ 46.179897] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.221985] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.229990] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.264537] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.289139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.327207] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.365865] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.446846] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.507709] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.590713] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.003890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.193106] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.227959] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.248130] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.263993] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.381884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.425458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.433798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.460617] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.488101] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.512387] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.612298] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.622195] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.673522] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.684945] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.858862] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.209747] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.404687] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.469338] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.508576] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.531312] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.647962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.659687] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.667805] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.676098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.696337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.730231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.737884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.758162] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.765746] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.858224] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.869869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.885831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.920743] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.928931] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.938137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.959724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.989947] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.999963] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.007166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.020998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.043648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.064849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.084370] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.099941] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.110083] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.118516] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.125557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.144811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.184075] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.194269] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.212846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.254660] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.262302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.276689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.310484] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.318962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.343849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.366250] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.379868] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.392331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.403967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.433900] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.443953] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.451135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.466177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.503021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.526106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.560477] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.572222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.587535] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.614949] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.630199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.648846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.688268] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.695487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.712953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.842286] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.849537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.861189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.352577] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.359135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.366097] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.372618] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.441156] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.449361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.649328] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.655852] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.662706] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.669172] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.676930] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.834892] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.841415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.848311] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.854793] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.885514] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.895833] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.902349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.909313] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.915819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.923720] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.944531] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.951079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.957941] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.964419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.018090] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.028701] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.036763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.043599] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.050167] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.061993] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.215209] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.221730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.228629] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.235141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.252935] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.447583] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.454148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.461085] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.467572] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.486893] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.513246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.539989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.558161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.580800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.608774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.632701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.650721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.109728] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.141306] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.272425] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.538775] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.670808] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.764740] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.841279] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.874277] ip (5198) used greatest stack depth: 53976 bytes left [ 61.929807] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.936219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.949660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.002898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.009247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.017974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.044618] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.097987] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.104386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.116183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.324574] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.330988] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.339749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.495181] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.501890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.513128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.725322] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.731750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.741595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.785371] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.791713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.802398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.894718] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.901146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.915753] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/17 17:25:57 executing program 1: mkdir(&(0x7f0000554ff8)='./file0\x00', 0x0) r0 = open(&(0x7f00006c69d0)='./file0\x00', 0x0, 0x0) fcntl$dupfd(r0, 0x800000000402, 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) r2 = open(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) fcntl$notify(r1, 0x402, 0x80000008) fcntl$notify(r2, 0x402, 0x1) fcntl$notify(r2, 0x402, 0x0) ioctl$TIOCCBRK(r0, 0x5428) 2018/04/17 17:25:57 executing program 7: perf_event_open(&(0x7f0000012000)={0x2, 0x70, 0xfffffffffffffff6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) chmod(&(0x7f00000000c0)='./file0/file0\x00', 0x0) syz_mount_image$minix(&(0x7f0000000040)='minix\x00', &(0x7f0000000080)='./file0/file0/file0\x00', 0x7f, 0x3, &(0x7f0000001240)=[{&(0x7f0000000100)="4a267b2cb5490814fbcbfcf5e33de8867f6f4f04cc3522da49bf8223fb49dda33ae416087643298f2c4e60866536c54cb3ef5b5f50db0f7777f0d89afb2e99147d8687b4a3e2f912a9f054aaf3280e4db83aac3ba161", 0x56, 0x3}, {&(0x7f0000000180)="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", 0x1000, 0x8}, {&(0x7f0000001180)="94e3baed590301274f04aa139dc3aeb824e249111c786cdd5f16ab6b401dd0fcbd831d9e5e4b3d5e7b9591b894b09ea3633abb2ee182bc49d6b30e73cfc7110577db6223bb172d7bbef0c1299c55f57f10cda029a913ccbc3277e0df3f7fd5220c98e9d758bbbc09be211a2414ba7aff609cb7590214f103470dbb5cf8495fa8496432f34839e7e8546e240b3074ef635595cba4bd6718194dea542285a13946cab48a69e4afce242dc14674474d", 0xae, 0x5}], 0x0, 0x0) r0 = shmget$private(0x0, 0x4000, 0x8, &(0x7f0000ffa000/0x4000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) 2018/04/17 17:25:58 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0xfb, &(0x7f00001a7f05)=""/251}, 0x1d) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xf, 0x6, 0x3, 0x884c, 0x10, 0xffffffffffffffff, 0x9}, 0x2c) 2018/04/17 17:25:58 executing program 7: io_setup(0x2, &(0x7f0000000140)) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='comm\x00') setsockopt$inet_dccp_int(r0, 0x21, 0xa, &(0x7f0000000040)=0x6, 0x4) memfd_create(&(0x7f0000000080)='eth0vboxnet1proc(ppp0user@vboxnet1selinux!GPL\x00', 0x3) [ 68.332927] ================================================================== [ 68.340612] BUG: KMSAN: uninit-value in memcmp+0x119/0x180 [ 68.346267] CPU: 1 PID: 4379 Comm: kworker/1:4 Not tainted 4.16.0+ #84 [ 68.352933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.362302] Workqueue: ipv6_addrconf addrconf_dad_work [ 68.367581] Call Trace: [ 68.370173] dump_stack+0x185/0x1d0 [ 68.373897] ? memcmp+0x119/0x180 [ 68.377357] kmsan_report+0x142/0x240 [ 68.381161] __msan_warning_32+0x6c/0xb0 [ 68.385224] memcmp+0x119/0x180 [ 68.388511] __dev_mc_add+0x1c2/0x8e0 [ 68.392323] ? ndisc_mc_map+0x59f/0x8c0 [ 68.396301] dev_mc_add+0x6d/0x80 [ 68.399762] igmp6_group_added+0x2db/0xa00 [ 68.404008] ipv6_dev_mc_inc+0xe9e/0x1130 [ 68.408168] addrconf_dad_work+0x427/0x2150 [ 68.412505] ? ipv6_get_saddr_eval+0x1130/0x1130 [ 68.417265] ? ipv6_get_saddr_eval+0x1130/0x1130 [ 68.422111] process_one_work+0x12c6/0x1f60 [ 68.426454] worker_thread+0x113c/0x24f0 [ 68.430536] ? process_one_work+0x1f60/0x1f60 [ 68.435043] kthread+0x539/0x720 [ 68.438432] ? process_one_work+0x1f60/0x1f60 [ 68.442943] ? kthread_blkcg+0xf0/0xf0 [ 68.446828] ret_from_fork+0x35/0x40 [ 68.450539] [ 68.452151] Local variable description: ----buf@igmp6_group_added [ 68.458367] Variable was created at: [ 68.462076] igmp6_group_added+0x4a/0xa00 [ 68.466214] ipv6_dev_mc_inc+0xe9e/0x1130 [ 68.470343] ================================================================== [ 68.477686] Disabling lock debugging due to kernel taint [ 68.483124] Kernel panic - not syncing: panic_on_warn set ... [ 68.483124] [ 68.490477] CPU: 1 PID: 4379 Comm: kworker/1:4 Tainted: G B 4.16.0+ #84 [ 68.498446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.507800] Workqueue: ipv6_addrconf addrconf_dad_work [ 68.513065] Call Trace: [ 68.515651] dump_stack+0x185/0x1d0 [ 68.519270] panic+0x39d/0x940 [ 68.522467] ? memcmp+0x119/0x180 [ 68.525912] kmsan_report+0x238/0x240 [ 68.529708] __msan_warning_32+0x6c/0xb0 [ 68.533765] memcmp+0x119/0x180 [ 68.537040] __dev_mc_add+0x1c2/0x8e0 [ 68.540837] ? ndisc_mc_map+0x59f/0x8c0 [ 68.544817] dev_mc_add+0x6d/0x80 [ 68.548266] igmp6_group_added+0x2db/0xa00 [ 68.552495] ipv6_dev_mc_inc+0xe9e/0x1130 [ 68.556636] addrconf_dad_work+0x427/0x2150 [ 68.560949] ? ipv6_get_saddr_eval+0x1130/0x1130 [ 68.565693] ? ipv6_get_saddr_eval+0x1130/0x1130 [ 68.570527] process_one_work+0x12c6/0x1f60 [ 68.574847] worker_thread+0x113c/0x24f0 [ 68.578909] ? process_one_work+0x1f60/0x1f60 [ 68.583395] kthread+0x539/0x720 [ 68.586766] ? process_one_work+0x1f60/0x1f60 [ 68.591254] ? kthread_blkcg+0xf0/0xf0 [ 68.595141] ret_from_fork+0x35/0x40 [ 68.599312] Dumping ftrace buffer: [ 68.602845] (ftrace buffer empty) [ 68.606536] Kernel Offset: disabled [ 68.610138] Rebooting in 86400 seconds..