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 '10.128.0.61' (ECDSA) to the list of known hosts. 2018/04/14 01:36:57 fuzzer started 2018/04/14 01:36:57 dialing manager at 10.128.0.26:36243 2018/04/14 01:37:03 kcov=true, comps=false 2018/04/14 01:37:06 executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={"73697430001b2133d8c20a72508400", &(0x7f0000000000)=ANY=[@ANYBLOB='%']}) 2018/04/14 01:37:06 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f00000000c0)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000010000)="eb3c906d6b66732e66617400020401000200027000f801", 0x17}], 0x0, &(0x7f0000000240)=ANY=[]) r0 = open(&(0x7f0000000780)='./file0/file0\x00', 0x3fffa, 0x0) fallocate(r0, 0x0, 0x0, 0x8000) r1 = open(&(0x7f0000000280)='./file0/file0\x00', 0x4001, 0x0) lseek(r1, 0x0, 0x4) sendfile(r1, r0, &(0x7f0000000380), 0x7fffffff) 2018/04/14 01:37:06 executing program 7: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000003000)=@abs={0x1}, 0x8) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f000000f000)=@abs={0x1, 0x0, 0x1}, 0x8) bind$unix(r2, &(0x7f0000000040)=@abs={0x1}, 0x6e) 2018/04/14 01:37:06 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r0, &(0x7f0000976000), 0x0, 0x200408d4, &(0x7f000072e000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/14 01:37:06 executing program 5: r0 = socket$inet(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000040)={{0x2, 0x0, @multicast1=0xe0000001}, {0x0, @link_local={0x1, 0x80, 0xc2}}, 0x0, {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) 2018/04/14 01:37:06 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000b00)='./cgroup.cpu\x00', 0x200002, 0x0) fchdir(r0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) 2018/04/14 01:37:06 executing program 2: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000003000)=@abs={0x1}, 0x8) bind$unix(r0, &(0x7f000000f000)=@abs={0x1, 0x0, 0x1}, 0x8) 2018/04/14 01:37:06 executing program 3: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000004000)=[{&(0x7f0000000080)="240000001800030007fffd946fa293bc02ee0600000000000000856804000f00d1697384", 0x24}], 0x1}, 0x0) syzkaller login: [ 43.161647] ip (3890) used greatest stack depth: 54200 bytes left [ 43.687941] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.694530] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.745741] device bridge_slave_0 entered promiscuous mode [ 43.773060] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.779554] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.815301] device bridge_slave_0 entered promiscuous mode [ 43.832292] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.838787] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.871088] device bridge_slave_0 entered promiscuous mode [ 43.910738] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.917230] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.940497] device bridge_slave_0 entered promiscuous mode [ 43.963555] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.970079] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.977679] device bridge_slave_0 entered promiscuous mode [ 43.988728] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.995180] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.018111] device bridge_slave_1 entered promiscuous mode [ 44.036386] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.042919] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.069095] device bridge_slave_0 entered promiscuous mode [ 44.082788] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.089280] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.102447] device bridge_slave_1 entered promiscuous mode [ 44.109770] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.116269] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.131187] device bridge_slave_0 entered promiscuous mode [ 44.141843] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.148333] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.171939] device bridge_slave_1 entered promiscuous mode [ 44.182024] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.188537] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.216545] device bridge_slave_0 entered promiscuous mode [ 44.226761] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.235710] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.242195] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.249692] device bridge_slave_1 entered promiscuous mode [ 44.258513] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.264977] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.300971] device bridge_slave_1 entered promiscuous mode [ 44.326345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.337444] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.344109] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.371445] device bridge_slave_1 entered promiscuous mode [ 44.378530] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.385008] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.417782] device bridge_slave_1 entered promiscuous mode [ 44.425764] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.432213] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.442146] device bridge_slave_1 entered promiscuous mode [ 44.464539] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.473234] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.481671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.497137] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.507515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.593432] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.617362] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.658742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.668605] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.679621] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.740241] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.795558] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.830751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.873084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.149626] ip (4024) used greatest stack depth: 53656 bytes left [ 45.519688] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.596672] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.618994] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.687397] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.705529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.749340] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.798203] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.818694] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.847068] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.864966] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.888116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.928514] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.950498] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.021378] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.033180] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.168184] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.744223] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.792554] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.888642] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.978479] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.986978] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.002073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.044614] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.069267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.086703] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.094693] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.105926] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.194444] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.205760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.219981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.254389] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.261946] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.269149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.279662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.296419] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.315616] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.323941] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.342509] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.349753] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.374413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.405917] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.426686] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.433929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.449263] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.486885] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.494826] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.510556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.552062] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.559938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.575850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.600874] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.608136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.620786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.649381] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.656760] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.670941] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.686128] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.730435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.756628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.785428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.806704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.825794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.836160] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.843656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.854085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.867116] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.878531] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.886323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.897860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.913433] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.921978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.938712] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.950320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.962867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.006757] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.017473] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.033679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.074863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.097676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.125854] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.923147] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.929655] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.936521] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.943193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.967577] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.974399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.987579] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.994146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.001019] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.007533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.044812] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.073559] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.080115] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.087009] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.093560] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.199965] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.263076] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.269557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.276385] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.282827] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.341435] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.365929] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.372423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.379366] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.385862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.437123] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.453698] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.460177] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.467076] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.473537] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.551682] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.569402] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.575892] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.582789] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.589276] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.643196] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.653907] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.660393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.667293] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.673775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.689007] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.976473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.992742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.018817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.042758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.059157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.072571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.081821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.288492] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.648387] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.658193] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.860111] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.069618] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.086239] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.133956] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.140262] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.151910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.277427] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.354611] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.459926] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.466272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.478173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.499861] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.506582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.530510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.750217] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.756505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.773925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.927078] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.933392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.949222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.979529] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.986716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.008681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.181193] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.187529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.197456] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.227545] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.236401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.253775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/14 01:37:33 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000dacff8)=@assoc_value={0x0, 0x200}, 0x8) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f000098effc), 0x4) writev(r0, &(0x7f00007f2000)=[{&(0x7f0000001f40)="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", 0x55f}], 0x1) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={0x0, 0x0, 0x20}, 0xc) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000b40)="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", 0x200}], 0x1) recvmsg(r0, &(0x7f0000000240)={&(0x7f0000000300)=@ethernet={0x0, @dev}, 0x80, &(0x7f0000000b00)=[{&(0x7f0000003f80)=""/4096, 0x1000}], 0x1}, 0x0) sendto$inet6(r0, &(0x7f0000000380)='\b', 0x1, 0x0, 0x0, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f0000000500)="15", 0x1}], 0x1) recvmsg(r0, &(0x7f0000000180)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000000100)=[{&(0x7f0000000d40)=""/4096, 0x1000}], 0x1, &(0x7f0000000480)=""/92, 0x5c}, 0x0) 2018/04/14 01:37:33 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(poly1305-simd)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000), 0x0) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000002740)=[{{&(0x7f0000001580)=@ipx={0x4, 0x0, 0x0, "02e9ae943315"}, 0x80, &(0x7f0000001800), 0x0, &(0x7f0000001840)}}], 0x1, 0x0) 2018/04/14 01:37:33 executing program 6: r0 = socket$inet6(0xa, 0x3, 0x3c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x3ff}, 0x1c) sendmsg(r0, &(0x7f0000009fc8)={0x0, 0x0, &(0x7f000002c000)=[{&(0x7f0000000080)=',', 0x1}], 0x1, &(0x7f0000021000)}, 0xc100) pipe(&(0x7f0000000600)) sendmsg(r0, &(0x7f0000000a40)={0x0, 0x0, &(0x7f00000009c0)=[{&(0x7f0000002b40)="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", 0x690}], 0x1, &(0x7f0000003b40)}, 0x0) 2018/04/14 01:37:33 executing program 4: r0 = gettid() perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) chdir(&(0x7f0000000080)='./file0\x00') r1 = syz_open_procfs(r0, &(0x7f0000000040)='stat\x00') preadv(r1, &(0x7f0000000180)=[{&(0x7f0000000140)=""/44, 0x2c}], 0x1, 0x0) 2018/04/14 01:37:33 executing program 1: r0 = socket$unix(0x1, 0x2, 0x0) bind$unix(0xffffffffffffffff, &(0x7f0000003000)=@abs={0x1}, 0x8) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f000000f000)=@abs={0x0, 0x0, 0x1}, 0x8) bind$unix(r1, &(0x7f0000000040)=@abs={0x1}, 0x6e) 2018/04/14 01:37:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0xc) writev(r0, &(0x7f0000fdbff8)=[{&(0x7f0000ac9000)="290000001000190000003fffffffda060200000000e80001040000040d000300ea1100000005000000", 0x29}], 0x1) 2018/04/14 01:37:33 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000018000)={&(0x7f0000a4c000)={0x10}, 0xc, &(0x7f00003c4ff0)={&(0x7f00002a0e50)={0x14, 0x1d, 0xfffffffffffeffff, 0x0, 0x0, {0x1}}, 0x14}, 0x1}, 0x0) 2018/04/14 01:37:33 executing program 2: r0 = getpid() sched_setattr(r0, &(0x7f0000000080)={0x0, 0x2, 0x0, 0x0, 0x3}, 0x0) r1 = msgget$private(0x0, 0x0) msgrcv(r1, &(0x7f0000000080)=ANY=[], 0x0, 0x0, 0x0) msgrcv(r1, &(0x7f0000000240)=ANY=[], 0x0, 0x0, 0x0) msgctl$IPC_SET(r1, 0x1, &(0x7f00000002c0)) [ 67.020674] ================================================================== [ 67.028100] BUG: KMSAN: uninit-value in ipv6_destopt_rcv+0x3df/0xde0 [ 67.034603] CPU: 0 PID: 5781 Comm: syz-executor6 Not tainted 4.16.0+ #83 [ 67.041444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.050805] Call Trace: [ 67.053395] [ 67.055553] dump_stack+0x185/0x1d0 [ 67.059188] ? ipv6_destopt_rcv+0x3df/0xde0 [ 67.063523] kmsan_report+0x142/0x240 [ 67.067332] __msan_warning_32+0x6c/0xb0 [ 67.071403] ipv6_destopt_rcv+0x3df/0xde0 [ 67.075571] ? ipv6_rthdr_rcv+0x3ea0/0x3ea0 [ 67.079904] ip6_input_finish+0xa62/0x2110 [ 67.084158] ? ip6table_filter_hook+0xb5/0xe0 [ 67.088667] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 67.094045] ip6_input+0x294/0x320 [ 67.097599] ? ip6_input+0x320/0x320 [ 67.101315] ? ipv6_rcv+0x26d0/0x26d0 [ 67.105120] ipv6_rcv+0x20ec/0x26d0 [ 67.108753] ? local_bh_enable+0x40/0x40 [ 67.112828] __netif_receive_skb_core+0x47cf/0x4a80 [ 67.117842] ? rb_insert_color+0x1122/0x1300 [ 67.122254] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 67.128058] ? ip6_rcv_finish+0x4d0/0x4d0 [ 67.132212] process_backlog+0x62d/0xe20 [ 67.136282] ? rps_trigger_softirq+0x2f0/0x2f0 [ 67.140863] net_rx_action+0x7c1/0x1a70 [ 67.144840] ? net_tx_action+0xab0/0xab0 [ 67.148991] __do_softirq+0x56d/0x93d [ 67.152793] do_softirq_own_stack+0x2a/0x40 [ 67.157101] [ 67.159342] __local_bh_enable_ip+0x114/0x140 [ 67.163843] local_bh_enable+0x36/0x40 [ 67.167738] ip6_finish_output2+0x1b6c/0x1f20 [ 67.172250] ip6_finish_output+0xb3f/0xc00 [ 67.176494] ip6_output+0x597/0x6c0 [ 67.180122] ? ip6_output+0x6c0/0x6c0 [ 67.183924] ? ac6_seq_show+0x200/0x200 [ 67.187911] ip6_local_out+0x573/0x640 [ 67.191801] ? __ip6_local_out+0x4f0/0x4f0 [ 67.196039] ip6_push_pending_frames+0x218/0x4d0 [ 67.200796] rawv6_sendmsg+0x4500/0x4cc0 [ 67.204868] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 67.210238] ? rw_copy_check_uvector+0x5af/0x6c0 [ 67.215012] ? compat_rawv6_ioctl+0x30/0x30 2018/04/14 01:37:34 executing program 3: r0 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r0, 0x10d, 0x4000000fd, &(0x7f0000000000), &(0x7f00000001c0)=0x4) [ 67.219342] inet_sendmsg+0x48d/0x740 [ 67.223149] ? security_socket_sendmsg+0x9e/0x210 [ 67.227995] ? inet_getname+0x500/0x500 [ 67.231973] ___sys_sendmsg+0xec0/0x1310 [ 67.236039] ? __fdget+0x4e/0x60 [ 67.239404] ? __fget_light+0x56/0x710 [ 67.243286] ? __fdget+0x4e/0x60 [ 67.246659] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 67.252019] ? __fget_light+0x6b9/0x710 [ 67.256006] SYSC_sendmsg+0x2a3/0x3d0 [ 67.259817] SyS_sendmsg+0x54/0x80 [ 67.263355] do_syscall_64+0x309/0x430 [ 67.267247] ? ___sys_sendmsg+0x1310/0x1310 [ 67.271573] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.276766] RIP: 0033:0x455319 [ 67.279953] RSP: 002b:00007f392fdf8c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.287658] RAX: ffffffffffffffda RBX: 00007f392fdf96d4 RCX: 0000000000455319 [ 67.294932] RDX: 0000000000000000 RSI: 0000000020000a40 RDI: 0000000000000013 [ 67.302196] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 67.309460] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff 2018/04/14 01:37:34 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) fgetxattr(r0, &(0x7f0000000100)=@known='com.apple.system.Security\x00', &(0x7f00000000c0)=""/38, 0x26) getsockopt$inet_int(r0, 0x0, 0x15, &(0x7f0000000000), &(0x7f0000000040)=0x4) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000180)={r0}) getsockopt$inet6_tcp_buf(r1, 0x6, 0xe, &(0x7f00000001c0)=""/10, &(0x7f0000000200)=0xa) r2 = socket$bt_rfcomm(0x1f, 0x1, 0x3) getsockopt$bt_BT_RCVMTU(r2, 0x112, 0xd, &(0x7f0000000080)=0x80000001, &(0x7f0000000140)=0x2) 2018/04/14 01:37:34 executing program 1: r0 = socket(0x20000000000000a, 0x2, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x121000, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000001180)={r1, &(0x7f0000000100)="02237e96e787e63ad047fac93b6ba749af7b7eb40f27f0286cf2bec11a14a692ed44da4bdc8ed21cfc6b10a577c90e89fe8f518347bfaa6fbf93b7c815cee8402cdac16b3077d730f47b3013be4de157b0ef8582", &(0x7f0000000180)="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", 0x2}, 0x20) connect$inet6(r0, &(0x7f000004bfe4)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000080)={{0xa, 0x4e21, 0x4, @loopback={0x0, 0x1}, 0x400}, {0xa, 0x4e21, 0xffffffff00000001, @loopback={0x0, 0x1}, 0x400}, 0x20, [0x101, 0x100, 0x80000001, 0x2, 0x2, 0x200, 0x1, 0x33]}, 0x5c) getsockopt$sock_buf(r0, 0x1, 0x19, &(0x7f0000000000)=""/16, &(0x7f0000004ffc)=0x10) [ 67.316728] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 67.323993] [ 67.325610] Uninit was stored to memory at: [ 67.329944] kmsan_internal_chain_origin+0x12b/0x210 [ 67.335056] kmsan_memcpy_origins+0x11d/0x170 [ 67.339550] __msan_memcpy+0x19f/0x1f0 [ 67.343443] skb_copy_bits+0x63a/0xdb0 [ 67.347333] __pskb_pull_tail+0x483/0x22e0 [ 67.351571] ipv6_destopt_rcv+0x660/0xde0 [ 67.355723] ip6_input_finish+0xa62/0x2110 [ 67.359961] ip6_input+0x294/0x320 [ 67.363499] ipv6_rcv+0x20ec/0x26d0 [ 67.367125] __netif_receive_skb_core+0x47cf/0x4a80 [ 67.372139] process_backlog+0x62d/0xe20 [ 67.376194] net_rx_action+0x7c1/0x1a70 [ 67.380168] __do_softirq+0x56d/0x93d [ 67.383957] Uninit was created at: [ 67.387496] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 67.392513] kmsan_alloc_page+0x82/0xe0 [ 67.396494] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 67.401247] alloc_pages_current+0x6b5/0x970 [ 67.405656] skb_page_frag_refill+0x3ba/0x5e0 [ 67.410159] sk_page_frag_refill+0xa4/0x340 [ 67.414504] __ip6_append_data+0x1a20/0x4bb0 [ 67.418918] ip6_append_data+0x40e/0x6b0 [ 67.422980] rawv6_sendmsg+0x2787/0x4cc0 [ 67.427052] inet_sendmsg+0x48d/0x740 [ 67.430855] ___sys_sendmsg+0xec0/0x1310 [ 67.434915] SYSC_sendmsg+0x2a3/0x3d0 [ 67.438726] SyS_sendmsg+0x54/0x80 [ 67.442264] do_syscall_64+0x309/0x430 [ 67.446158] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.451337] ================================================================== [ 67.458689] Disabling lock debugging due to kernel taint [ 67.464138] Kernel panic - not syncing: panic_on_warn set ... [ 67.464138] [ 67.471508] CPU: 0 PID: 5781 Comm: syz-executor6 Tainted: G B 4.16.0+ #83 [ 67.479645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.489089] Call Trace: [ 67.491667] [ 67.493832] dump_stack+0x185/0x1d0 [ 67.497467] panic+0x39d/0x940 [ 67.500684] ? ipv6_destopt_rcv+0x3df/0xde0 [ 67.505009] kmsan_report+0x238/0x240 [ 67.508819] __msan_warning_32+0x6c/0xb0 [ 67.512891] ipv6_destopt_rcv+0x3df/0xde0 [ 67.517052] ? ipv6_rthdr_rcv+0x3ea0/0x3ea0 [ 67.521377] ip6_input_finish+0xa62/0x2110 [ 67.525631] ? ip6table_filter_hook+0xb5/0xe0 [ 67.530136] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 67.535512] ip6_input+0x294/0x320 [ 67.539060] ? ip6_input+0x320/0x320 [ 67.542775] ? ipv6_rcv+0x26d0/0x26d0 [ 67.546583] ipv6_rcv+0x20ec/0x26d0 [ 67.550215] ? local_bh_enable+0x40/0x40 [ 67.554286] __netif_receive_skb_core+0x47cf/0x4a80 [ 67.559300] ? rb_insert_color+0x1122/0x1300 [ 67.563726] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 67.569542] ? ip6_rcv_finish+0x4d0/0x4d0 [ 67.573697] process_backlog+0x62d/0xe20 [ 67.577770] ? rps_trigger_softirq+0x2f0/0x2f0 [ 67.582361] net_rx_action+0x7c1/0x1a70 [ 67.586349] ? net_tx_action+0xab0/0xab0 [ 67.590420] __do_softirq+0x56d/0x93d [ 67.594235] do_softirq_own_stack+0x2a/0x40 [ 67.598550] [ 67.600795] __local_bh_enable_ip+0x114/0x140 [ 67.605293] local_bh_enable+0x36/0x40 [ 67.609189] ip6_finish_output2+0x1b6c/0x1f20 [ 67.613700] ip6_finish_output+0xb3f/0xc00 [ 67.617955] ip6_output+0x597/0x6c0 [ 67.621584] ? ip6_output+0x6c0/0x6c0 [ 67.625389] ? ac6_seq_show+0x200/0x200 [ 67.629369] ip6_local_out+0x573/0x640 [ 67.633268] ? __ip6_local_out+0x4f0/0x4f0 [ 67.637512] ip6_push_pending_frames+0x218/0x4d0 [ 67.642277] rawv6_sendmsg+0x4500/0x4cc0 [ 67.646346] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 67.651717] ? rw_copy_check_uvector+0x5af/0x6c0 [ 67.656497] ? compat_rawv6_ioctl+0x30/0x30 [ 67.660828] inet_sendmsg+0x48d/0x740 [ 67.664637] ? security_socket_sendmsg+0x9e/0x210 [ 67.669533] ? inet_getname+0x500/0x500 [ 67.673514] ___sys_sendmsg+0xec0/0x1310 [ 67.677586] ? __fdget+0x4e/0x60 [ 67.680957] ? __fget_light+0x56/0x710 [ 67.684847] ? __fdget+0x4e/0x60 [ 67.688221] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 67.693595] ? __fget_light+0x6b9/0x710 [ 67.697584] SYSC_sendmsg+0x2a3/0x3d0 [ 67.701399] SyS_sendmsg+0x54/0x80 [ 67.704929] do_syscall_64+0x309/0x430 [ 67.708817] ? ___sys_sendmsg+0x1310/0x1310 [ 67.713145] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.718337] RIP: 0033:0x455319 [ 67.721513] RSP: 002b:00007f392fdf8c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.729222] RAX: ffffffffffffffda RBX: 00007f392fdf96d4 RCX: 0000000000455319 [ 67.736488] RDX: 0000000000000000 RSI: 0000000020000a40 RDI: 0000000000000013 [ 67.743772] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 67.751046] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 67.758312] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 67.766007] Dumping ftrace buffer: [ 67.769531] (ftrace buffer empty) [ 67.773213] Kernel Offset: disabled [ 67.776827] Rebooting in 86400 seconds..