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 '10.128.0.29' (ECDSA) to the list of known hosts. 2018/04/13 09:11:53 fuzzer started 2018/04/13 09:11:54 dialing manager at 10.128.0.26:33379 2018/04/13 09:12:00 kcov=true, comps=false 2018/04/13 09:12:03 executing program 0: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) readv(r0, &(0x7f00000002c0)=[{&(0x7f0000000440)=""/255, 0xff}], 0x1) syz_emit_ethernet(0x3e, &(0x7f0000976000)={@link_local={0x1, 0x80, 0xc2}, @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x6, 0x200000003a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@echo_request={0x80, 0x0, 0x0, 0x0, 0xfffffffffffffffd}}}}}}, &(0x7f0000a95fe8)) 2018/04/13 09:12:03 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x0, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x4e22}, 0x1c) 2018/04/13 09:12:03 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000980)={@dev={0xfe, 0x80}}, 0x14) 2018/04/13 09:12:03 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000280)={{0x2, 0x0, @multicast2=0xe0000002}, {0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x0, {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) 2018/04/13 09:12:03 executing program 1: gettid() 2018/04/13 09:12:03 executing program 7: syz_emit_ethernet(0x66, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0xffffffffffffffff, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000], 0x1}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x14], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x6, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3, 0x0, 0x0, 0x4], 0x1}, @mcast2={0xff, 0x2, [], 0x1}}}}}}}}, 0x0) 2018/04/13 09:12:03 executing program 6: r0 = socket$inet6(0xa, 0x8000000000000802, 0x0) sendmsg(r0, &(0x7f0000000a40)={&(0x7f00000002c0)=@in6={0xa, 0x4e24, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000340)="193afd2c601eca916d878588b5", 0xd}], 0x1, &(0x7f0000000440)}, 0x8001) sendmsg$inet_sctp(r0, &(0x7f0000000080)={&(0x7f0000000040)=@in6={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}, 0x1c, &(0x7f0000000180)=[{&(0x7f00000012c0)="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", 0x5a0}], 0x1}, 0x8000) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000140)=0x2, 0x4) setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f00009f0ffc), 0x4) 2018/04/13 09:12:03 executing program 4: r0 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000200)={'ip6gretap0\x00', {0x2}}) syzkaller login: [ 41.558322] ip (3783) used greatest stack depth: 54672 bytes left [ 42.588187] ip (3886) used greatest stack depth: 54200 bytes left [ 43.119827] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.126668] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.173094] device bridge_slave_0 entered promiscuous mode [ 43.201218] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.207705] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.230562] device bridge_slave_0 entered promiscuous mode [ 43.244189] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.250692] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.265288] device bridge_slave_0 entered promiscuous mode [ 43.284196] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.290665] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.316081] device bridge_slave_0 entered promiscuous mode [ 43.349324] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.355981] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.389369] device bridge_slave_1 entered promiscuous mode [ 43.404333] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.410802] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.427610] device bridge_slave_0 entered promiscuous mode [ 43.435098] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.441544] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.460262] device bridge_slave_0 entered promiscuous mode [ 43.478815] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.485258] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.506191] device bridge_slave_1 entered promiscuous mode [ 43.515871] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.522346] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.532984] device bridge_slave_1 entered promiscuous mode [ 43.541060] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.547484] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.566926] device bridge_slave_1 entered promiscuous mode [ 43.593531] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.600091] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.618084] device bridge_slave_0 entered promiscuous mode [ 43.637517] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.644080] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.652115] device bridge_slave_0 entered promiscuous mode [ 43.667816] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.677968] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.684428] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.711442] device bridge_slave_1 entered promiscuous mode [ 43.729891] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.741396] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.752925] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.759405] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.778605] device bridge_slave_1 entered promiscuous mode [ 43.787511] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.797691] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.808681] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.815157] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.849060] device bridge_slave_1 entered promiscuous mode [ 43.855734] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.862187] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.898975] device bridge_slave_1 entered promiscuous mode [ 43.931207] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.948603] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.958586] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.973298] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.982467] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.062989] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.139496] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.153566] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.186607] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.296959] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.333929] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.756081] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.865143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.945274] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.977998] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.000656] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.059105] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.131745] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.197409] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.216516] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.224953] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.255164] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.330004] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.405148] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.412387] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.463626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.638123] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.928263] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.099914] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.150977] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.191313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.273137] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.305590] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.348479] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.355685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.368934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.403871] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.414292] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.423569] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.435357] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.506675] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.527481] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.536429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.554767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.607743] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.614903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.627745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.657477] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.668389] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.676551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.691715] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.716483] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.724625] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.738204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.786468] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.794137] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.801817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.843265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.863331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.877818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.898418] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.907506] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.916706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.924495] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.932962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.962383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.989823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.019809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.037613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.052764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.061662] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.073112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.081529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.093192] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.111911] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.120465] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.128881] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.144991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.191381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.224811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.260304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.286683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.296979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.305005] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.313425] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.335404] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.349911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.366319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.390480] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.418657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.457111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.788473] ip (4350) used greatest stack depth: 53976 bytes left [ 49.114509] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.121013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.127885] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.134371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.154564] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.165783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.179062] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.185511] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.192333] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.198761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.207007] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.408833] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.415336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.422233] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.428698] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.486630] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.590448] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.596945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.603844] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.610398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.680349] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.697558] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.704022] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.710883] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.717328] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.726600] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.734936] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.741405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.748286] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.754747] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.768111] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.778737] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.785183] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.792078] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.798532] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.812616] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.822568] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.829072] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.835909] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.842355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.853905] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.208145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.227689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.258936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.279879] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.295095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.308676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.321920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.459486] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.707979] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.873635] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.889867] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.903078] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.121109] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.208677] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.219692] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.225947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.237497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.305900] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.507336] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.513587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.530758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.658932] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.665187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.677870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.713738] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.720745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.742678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.842392] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.848657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.868498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.968154] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.974432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.982363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.023308] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.029659] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.037736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.216081] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.222329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.243170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/13 09:12:28 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) write(r0, &(0x7f0000000080)="a7a5eb4376472a83818890cb1eb6130f8643f445e7fdb26e5ea1b8314c78dc64b957b923b0296dc84449d31067aa2db19764c3230ae4df4e7a0f08d83ef1c7d797b2dbbe7666b766dfcce41d7ac4fd553448c5f025e2f183f90bbcab5b908e4a44244f0615e67f7b6a54b09e07aefd04dfde4005d48e258bee889d31542e76d46ae0fb079b091508d94fca846cc60f0e0f4ffd47c559a19b393497b82c62205d94367058499fdd72901be1c261953b7fc8af29ef57a6b64576229cf545ecc790a43d7f264c14a104eb", 0xc9) sendmmsg(r0, &(0x7f0000002400)=[{{&(0x7f0000000000)=@nfc={0x27}, 0x80, &(0x7f0000001480)=[{&(0x7f0000000380)="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", 0x361}], 0x1, &(0x7f0000002980)=ANY=[]}}], 0x1, 0x48001) 2018/04/13 09:12:29 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) write(r0, &(0x7f0000000080)="a7a5eb4376472a83818890cb1eb6130f8643f445e7fdb26e5ea1b8314c78dc64b957b923b0296dc84449d31067aa2db19764c3230ae4df4e7a0f08d83ef1c7d797b2dbbe7666b766dfcce41d7ac4fd553448c5f025e2f183f90bbcab5b908e4a44244f0615e67f7b6a54b09e07aefd04dfde4005d48e258bee889d31542e76d46ae0fb079b091508d94fca846cc60f0e0f4ffd47c559a19b393497b82c62205d94367058499fdd72901be1c261953b7fc8af29ef57a6b64576229cf545ecc790a43d7f264c14a104eb", 0xc9) sendmmsg(r0, &(0x7f0000002400)=[{{&(0x7f0000000000)=@nfc={0x27}, 0x80, &(0x7f0000001480)=[{&(0x7f0000000380)="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", 0x361}], 0x1, &(0x7f0000002980)=ANY=[]}}], 0x1, 0x48001) [ 65.309404] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/04/13 09:12:29 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000efdffc)=0x1, 0xd2) bind$inet(r0, &(0x7f0000738ff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000a63fff), 0x0, 0x20020004, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000f43ffc)=0xfffffffffffffffc, 0x4) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f00000001c0)=[{0x8}, {}, {}, {}, {}, {}, {}, {}], 0x8) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000f8e000)={0x0, 0x20000000012c6, 0x1000010004}, 0x14) sendto$inet(r0, &(0x7f00006e2000)='!', 0x1, 0x0, 0x0, 0x0) 2018/04/13 09:12:29 executing program 4: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f00006dc000)=[{0x6, 0x0, 0x0, 0xa1}]}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000280), 0x4) sendto$inet(r0, &(0x7f0000fd0000), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000040)="be38fc", 0x3, 0x0, &(0x7f0000000100)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000500)="acbb915d6846975d5d248d4c727115f29ae03c05a1540f5303683cc3316fab70b8f72443207b3bc9d2b76a2124327a8dc22115702dfd81d9c5daf3734095c968bb4c931a63cd940101810cf243974b73d5c0d300e011c378c17bde5460ef55a7bcfe93f760a0a1928b8c0954a22b092351d191ed0effdcf4ac142f1fd6395e0e7303", 0x82, 0x0, 0x0, 0x0) shutdown(r0, 0x1) 2018/04/13 09:12:29 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) write(r0, &(0x7f0000000080)="a7a5eb4376472a83818890cb1eb6130f8643f445e7fdb26e5ea1b8314c78dc64b957b923b0296dc84449d31067aa2db19764c3230ae4df4e7a0f08d83ef1c7d797b2dbbe7666b766dfcce41d7ac4fd553448c5f025e2f183f90bbcab5b908e4a44244f0615e67f7b6a54b09e07aefd04dfde4005d48e258bee889d31542e76d46ae0fb079b091508d94fca846cc60f0e0f4ffd47c559a19b393497b82c62205d94367058499fdd72901be1c261953b7fc8af29ef57a6b64576229cf545ecc790a43d7f264c14a104eb", 0xc9) sendmmsg(r0, &(0x7f0000002400)=[{{&(0x7f0000000000)=@nfc={0x27}, 0x80, &(0x7f0000001480)=[{&(0x7f0000000380)="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", 0x361}], 0x1, &(0x7f0000002980)=ANY=[]}}], 0x1, 0x48001) [ 65.758810] ================================================================== [ 65.766217] BUG: KMSAN: uninit-value in raw6_local_deliver+0x259/0x1ac0 [ 65.772973] CPU: 1 PID: 5764 Comm: syz-executor6 Not tainted 4.16.0+ #83 [ 65.779803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.789155] Call Trace: [ 65.791725] [ 65.793878] dump_stack+0x185/0x1d0 [ 65.797506] ? raw6_local_deliver+0x259/0x1ac0 [ 65.802083] kmsan_report+0x142/0x240 [ 65.805882] __msan_warning_32+0x6c/0xb0 [ 65.809940] ? ip6_input_finish+0x55c/0x2110 [ 65.814354] raw6_local_deliver+0x259/0x1ac0 [ 65.818773] ip6_input_finish+0x55c/0x2110 [ 65.823010] ? ip6table_filter_hook+0xb5/0xe0 [ 65.827507] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 65.832896] ip6_mc_input+0x697/0x740 [ 65.836701] ? ip6_input+0x320/0x320 [ 65.840418] ? ip6_input_finish+0x2110/0x2110 [ 65.844910] ipv6_rcv+0x20ec/0x26d0 [ 65.848533] ? local_bh_enable+0x40/0x40 [ 65.852600] __netif_receive_skb_core+0x47cf/0x4a80 [ 65.857611] ? kmsan_set_origin_inline+0x6b/0x120 [ 65.862456] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 65.868254] ? ip6_rcv_finish+0x4d0/0x4d0 [ 65.872403] process_backlog+0x62d/0xe20 [ 65.876466] ? rps_trigger_softirq+0x2f0/0x2f0 [ 65.881042] net_rx_action+0x7c1/0x1a70 [ 65.885017] ? net_tx_action+0xab0/0xab0 [ 65.889080] __do_softirq+0x56d/0x93d [ 65.892975] do_softirq_own_stack+0x2a/0x40 [ 65.897281] [ 65.899521] do_softirq+0xb6/0xf0 [ 65.902974] dev_loopback_xmit+0x8b0/0x900 [ 65.907214] ip6_finish_output2+0x5e6/0x1f20 [ 65.912055] ? validate_xmit_skb+0x1320/0x1320 [ 65.916638] ? ip6_fragment+0x327b/0x5150 [ 65.920796] ip6_fragment+0x32e6/0x5150 [ 65.924770] ? ip6_make_skb+0x1100/0x1100 [ 65.928937] ip6_finish_output+0x96c/0xc00 [ 65.933175] ip6_output+0x597/0x6c0 [ 65.936800] ? ip6_output+0x6c0/0x6c0 [ 65.940601] ? ac6_seq_show+0x200/0x200 [ 65.944579] ip6_local_out+0x573/0x640 [ 65.948464] ? __ip6_local_out+0x4f0/0x4f0 [ 65.952698] ip6_send_skb+0xfa/0x380 [ 65.956411] udp_v6_send_skb+0x116a/0x1880 [ 65.960652] udp_v6_push_pending_frames+0x248/0x340 [ 65.965671] udp_lib_setsockopt+0x4c9/0xad0 [ 65.969990] ? udp_v6_send_skb+0x1880/0x1880 [ 65.974400] udpv6_setsockopt+0x1aa/0x1c0 [ 65.978541] ? udpv6_destroy_sock+0x260/0x260 [ 65.983023] sock_common_setsockopt+0x136/0x170 [ 65.987683] ? sock_common_recvmsg+0x270/0x270 [ 65.992246] SYSC_setsockopt+0x4b8/0x570 [ 65.996291] SyS_setsockopt+0x76/0xa0 [ 66.000075] do_syscall_64+0x309/0x430 [ 66.003946] ? SYSC_recv+0xe0/0xe0 [ 66.007470] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.012638] RIP: 0033:0x455319 [ 66.015892] RSP: 002b:00007fa739b8bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 66.023582] RAX: ffffffffffffffda RBX: 00007fa739b8c6d4 RCX: 0000000000455319 [ 66.030830] RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000014 [ 66.038082] RBP: 000000000072bf58 R08: 0000000000000004 R09: 0000000000000000 [ 66.045329] R10: 00000000209f0ffc R11: 0000000000000246 R12: 00000000ffffffff [ 66.052578] R13: 0000000000000563 R14: 00000000006fb1e8 R15: 0000000000000001 [ 66.059827] [ 66.061431] Uninit was stored to memory at: [ 66.065733] kmsan_internal_chain_origin+0x12b/0x210 [ 66.070814] kmsan_memcpy_origins+0x11d/0x170 [ 66.075285] kmsan_memmove_origins+0x9/0x10 [ 66.079585] __msan_memmove+0xda/0x130 [ 66.083454] ipv6_frag_rcv+0x5055/0x6970 [ 66.087494] ip6_input_finish+0xa62/0x2110 [ 66.091708] ip6_mc_input+0x697/0x740 [ 66.095489] ipv6_rcv+0x20ec/0x26d0 [ 66.099096] __netif_receive_skb_core+0x47cf/0x4a80 [ 66.104091] process_backlog+0x62d/0xe20 [ 66.108127] net_rx_action+0x7c1/0x1a70 [ 66.112079] __do_softirq+0x56d/0x93d [ 66.115855] Uninit was created at: [ 66.119378] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 66.124461] kmsan_kmalloc+0x94/0x100 [ 66.128243] kmsan_slab_alloc+0x11/0x20 [ 66.132200] __kmalloc_node_track_caller+0xaed/0x11c0 [ 66.137367] __alloc_skb+0x2cf/0x9f0 [ 66.141060] alloc_skb_with_frags+0x1d4/0xb20 [ 66.145535] sock_alloc_send_pskb+0xb56/0x1190 [ 66.150092] sock_alloc_send_skb+0xca/0xe0 [ 66.154306] __ip6_append_data+0x3387/0x4bb0 [ 66.158695] ip6_append_data+0x40e/0x6b0 [ 66.162733] udpv6_sendmsg+0xfd5/0x45b0 [ 66.166689] inet_sendmsg+0x48d/0x740 [ 66.170471] ___sys_sendmsg+0xec0/0x1310 [ 66.174526] SYSC_sendmsg+0x2a3/0x3d0 [ 66.178308] SyS_sendmsg+0x54/0x80 [ 66.181824] do_syscall_64+0x309/0x430 [ 66.185693] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.190859] ================================================================== [ 66.198190] Disabling lock debugging due to kernel taint [ 66.203616] Kernel panic - not syncing: panic_on_warn set ... [ 66.203616] [ 66.210966] CPU: 1 PID: 5764 Comm: syz-executor6 Tainted: G B 4.16.0+ #83 [ 66.219082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.228415] Call Trace: [ 66.230981] [ 66.233113] dump_stack+0x185/0x1d0 [ 66.236720] panic+0x39d/0x940 [ 66.239906] ? raw6_local_deliver+0x259/0x1ac0 [ 66.244465] kmsan_report+0x238/0x240 [ 66.248247] __msan_warning_32+0x6c/0xb0 [ 66.252289] ? ip6_input_finish+0x55c/0x2110 [ 66.256675] raw6_local_deliver+0x259/0x1ac0 [ 66.261071] ip6_input_finish+0x55c/0x2110 [ 66.265289] ? ip6table_filter_hook+0xb5/0xe0 [ 66.269762] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 66.275111] ip6_mc_input+0x697/0x740 [ 66.278892] ? ip6_input+0x320/0x320 [ 66.282588] ? ip6_input_finish+0x2110/0x2110 [ 66.287060] ipv6_rcv+0x20ec/0x26d0 [ 66.290667] ? local_bh_enable+0x40/0x40 [ 66.294718] __netif_receive_skb_core+0x47cf/0x4a80 [ 66.299711] ? kmsan_set_origin_inline+0x6b/0x120 [ 66.304532] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 66.310312] ? ip6_rcv_finish+0x4d0/0x4d0 [ 66.314467] process_backlog+0x62d/0xe20 [ 66.318511] ? rps_trigger_softirq+0x2f0/0x2f0 [ 66.323072] net_rx_action+0x7c1/0x1a70 [ 66.327037] ? net_tx_action+0xab0/0xab0 [ 66.331080] __do_softirq+0x56d/0x93d [ 66.334866] do_softirq_own_stack+0x2a/0x40 [ 66.339159] [ 66.341379] do_softirq+0xb6/0xf0 [ 66.344822] dev_loopback_xmit+0x8b0/0x900 [ 66.349047] ip6_finish_output2+0x5e6/0x1f20 [ 66.353438] ? validate_xmit_skb+0x1320/0x1320 [ 66.358005] ? ip6_fragment+0x327b/0x5150 [ 66.362153] ip6_fragment+0x32e6/0x5150 [ 66.366106] ? ip6_make_skb+0x1100/0x1100 [ 66.370249] ip6_finish_output+0x96c/0xc00 [ 66.374469] ip6_output+0x597/0x6c0 [ 66.378078] ? ip6_output+0x6c0/0x6c0 [ 66.381865] ? ac6_seq_show+0x200/0x200 [ 66.385818] ip6_local_out+0x573/0x640 [ 66.389701] ? __ip6_local_out+0x4f0/0x4f0 [ 66.393921] ip6_send_skb+0xfa/0x380 [ 66.397619] udp_v6_send_skb+0x116a/0x1880 [ 66.401844] udp_v6_push_pending_frames+0x248/0x340 [ 66.406843] udp_lib_setsockopt+0x4c9/0xad0 [ 66.411150] ? udp_v6_send_skb+0x1880/0x1880 [ 66.415544] udpv6_setsockopt+0x1aa/0x1c0 [ 66.419675] ? udpv6_destroy_sock+0x260/0x260 [ 66.424236] sock_common_setsockopt+0x136/0x170 [ 66.428890] ? sock_common_recvmsg+0x270/0x270 [ 66.433453] SYSC_setsockopt+0x4b8/0x570 [ 66.437496] SyS_setsockopt+0x76/0xa0 [ 66.441278] do_syscall_64+0x309/0x430 [ 66.445148] ? SYSC_recv+0xe0/0xe0 [ 66.448675] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.453845] RIP: 0033:0x455319 [ 66.457019] RSP: 002b:00007fa739b8bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 66.464713] RAX: ffffffffffffffda RBX: 00007fa739b8c6d4 RCX: 0000000000455319 [ 66.471962] RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000014 [ 66.479214] RBP: 000000000072bf58 R08: 0000000000000004 R09: 0000000000000000 [ 66.486465] R10: 00000000209f0ffc R11: 0000000000000246 R12: 00000000ffffffff [ 66.493716] R13: 0000000000000563 R14: 00000000006fb1e8 R15: 0000000000000001 [ 66.501454] Dumping ftrace buffer: [ 66.504975] (ftrace buffer empty) [ 66.508659] Kernel Offset: disabled [ 66.512258] Rebooting in 86400 seconds..