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 '10.128.10.35' (ECDSA) to the list of known hosts. 2018/04/20 09:26:39 fuzzer started 2018/04/20 09:26:39 dialing manager at 10.128.0.26:41811 2018/04/20 09:26:45 kcov=true, comps=false 2018/04/20 09:26:48 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") ioctl$fiemap(r0, 0xc020660b, &(0x7f0000000340)=ANY=[@ANYBLOB="0000000000000000fd00ffffffff0000000000000000a484a6bd48004c82b9bad183200a54a521ac44"]) 2018/04/20 09:26:48 executing program 2: open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) ioctl$fiemap(r0, 0xc020660b, &(0x7f00000002c0)) 2018/04/20 09:26:48 executing program 7: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$TUNSETOFFLOAD(r0, 0x400454d0, 0xd) 2018/04/20 09:26:48 executing program 3: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000400)={0x0, 0x0}) ptrace$setopts(0x4206, r1, 0x0, 0x0) ioctl$KDSKBSENT(0xffffffffffffffff, 0x4b49, &(0x7f00000003c0)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000440)={0x0, @in={{0x2, 0x0, @broadcast=0xffffffff}}}, &(0x7f0000000380)=0x98) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000200), &(0x7f0000000240)=0x8) ptrace(0x4207, r1) ptrace$getregs(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000ac0)=""/229) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000bc0)={{{@in6=@mcast2, @in6=@ipv4={[], [], @loopback}}}, {{@in=@broadcast}, 0x0, @in6=@ipv4={[], [], @multicast2}}}, &(0x7f0000000840)=0xe8) ptrace$setregs(0x3, r1, 0x0, &(0x7f0000000300)) 2018/04/20 09:26:48 executing program 4: 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$inet_tcp(0x2, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{0xd}]}, 0x10) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000380)={'bridge0\x00', &(0x7f0000000040)=ANY=[]}) 2018/04/20 09:26:48 executing program 5: mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000040)="006400ecff0345") getdents64(r1, &(0x7f0000000df0)=""/528, 0x7f355eb8) 2018/04/20 09:26:48 executing program 6: ptrace$getregs(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000ac0)=""/229) ptrace$setregs(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000300)) 2018/04/20 09:26:48 executing program 1: fallocate(0xffffffffffffffff, 0x0, 0x0, 0x4) syzkaller login: [ 44.419835] ip (3777) used greatest stack depth: 54312 bytes left [ 45.301448] ip (3870) used greatest stack depth: 54200 bytes left [ 45.838810] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.845300] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.903490] device bridge_slave_0 entered promiscuous mode [ 45.916167] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.922617] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.950724] device bridge_slave_0 entered promiscuous mode [ 45.963832] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.970285] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.987133] device bridge_slave_0 entered promiscuous mode [ 45.994157] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.000599] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.010225] device bridge_slave_0 entered promiscuous mode [ 46.028766] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.035235] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.060913] device bridge_slave_0 entered promiscuous mode [ 46.081571] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.088155] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.114383] device bridge_slave_0 entered promiscuous mode [ 46.131691] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.138186] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.161385] device bridge_slave_1 entered promiscuous mode [ 46.176796] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.183241] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.210185] device bridge_slave_1 entered promiscuous mode [ 46.233277] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.239721] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.255433] device bridge_slave_1 entered promiscuous mode [ 46.261989] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.268461] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.286619] device bridge_slave_0 entered promiscuous mode [ 46.308449] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.319796] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.326989] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.333511] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.362215] device bridge_slave_1 entered promiscuous mode [ 46.382385] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.388869] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.415480] device bridge_slave_1 entered promiscuous mode [ 46.426483] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.432936] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.442571] device bridge_slave_1 entered promiscuous mode [ 46.449516] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.460229] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.467591] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.474121] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.508489] device bridge_slave_1 entered promiscuous mode [ 46.516688] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.523197] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.550006] device bridge_slave_0 entered promiscuous mode [ 46.573670] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.581290] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.602582] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.618851] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.629153] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.721518] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.788665] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.795368] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.816178] device bridge_slave_1 entered promiscuous mode [ 46.824108] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.832861] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.840602] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.932924] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.053578] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.280752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.485208] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.560685] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.595444] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.692307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.734958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.770681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.813852] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.829272] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.840538] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.855937] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.956199] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.011233] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.049171] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.106925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.296619] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.505719] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.696831] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.765474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.852266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.912670] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.936633] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.975102] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.996722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.077411] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.091230] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.098970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.106248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.132980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.162552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.204164] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.211805] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.223085] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.230582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.244713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.307529] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.314729] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.326795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.360637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.371925] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.379563] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.397090] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.414748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.450102] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.457311] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.466881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.502242] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.509556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.545771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.577096] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.586252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.601178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.613915] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.626236] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.650835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.667735] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.674929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.690722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.708885] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.724383] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.735701] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.743957] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.751101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.763901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.810066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.844204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.875403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.888540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.902993] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.910426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.918647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.933835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.953470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.960622] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.970702] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.166745] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.173917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.188111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.357011] ip (4242) used greatest stack depth: 54160 bytes left [ 50.384444] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.391655] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.406606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.772515] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.779084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.785892] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.792337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.817114] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.831398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.843883] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.850362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.857276] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.863732] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.923990] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.124234] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.130711] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.137527] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.143974] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.153182] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.159692] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.166144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.172966] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.179416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.196756] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.203996] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.210453] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.217253] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.223677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.233346] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.257580] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.264089] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.270872] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.277327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.324064] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.536517] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.543021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.549910] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.556355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.643119] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.832191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.851720] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.867715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.876225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.885138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.892951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.927096] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.933589] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.940547] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.946997] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.967751] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.856719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.083632] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.145229] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.171849] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.433781] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.458141] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.544661] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.787575] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.876231] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.882477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.893917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.918604] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.930786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.968130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.009300] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.021145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.031626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.107157] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.247414] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.253716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.264942] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.290065] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.296462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.314920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.402104] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.408396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.416088] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.552961] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.561154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.578693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.869965] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.876308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.888202] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/20 09:27:14 executing program 3: 2018/04/20 09:27:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) 2018/04/20 09:27:14 executing program 5: r0 = open(&(0x7f0000000000)='./file0\x00', 0x8040, 0x0) fcntl$setlease(r0, 0x400, 0x0) perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setlease(r0, 0x400, 0x2) 2018/04/20 09:27:14 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000d6d000)={0x0, 0x2000000000069}, 0xb) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/20 09:27:14 executing program 7: r0 = socket$inet(0x2, 0x3, 0x84) sendto$inet(r0, &(0x7f000014cf2c), 0x0, 0x8000, &(0x7f0000000080)={0x2}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c8ecf98cac77c582809fe1efe5a668ba", 0x10, 0x0, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xf}}, 0x10) 2018/04/20 09:27:15 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x1b, &(0x7f0000483ffc)=0x1, 0x4) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffe03, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = accept4(r1, &(0x7f00003ad000)=ANY=[], &(0x7f00008f1ffc), 0x0) getsockopt$inet6_tcp_buf(r2, 0x6, 0x1c, &(0x7f00000000c0)=""/106, &(0x7f0000000000)=0x6a) [ 68.054413] ================================================================== [ 68.061839] BUG: KMSAN: uninit-value in crc32c_pcl_intel_update+0x2af/0x500 [ 68.068940] CPU: 1 PID: 5733 Comm: syz-executor7 Not tainted 4.16.0+ #84 [ 68.075768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.085114] Call Trace: [ 68.087689] [ 68.089850] dump_stack+0x185/0x1d0 [ 68.093477] ? crc32c_pcl_intel_update+0x2af/0x500 [ 68.098415] kmsan_report+0x142/0x240 [ 68.102222] __msan_warning_32+0x6c/0xb0 [ 68.106289] crc32c_pcl_intel_update+0x2af/0x500 [ 68.111050] ? crc32c_intel_cra_init+0x80/0x80 [ 68.115633] crypto_shash_update+0x1e9/0x210 [ 68.120048] crc32c+0x155/0x210 [ 68.123331] sctp_csum_update+0x89/0xa0 [ 68.127308] __skb_checksum+0x234/0x1010 [ 68.131372] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 68.136737] ? __pskb_pull_tail+0x1154/0x22e0 [ 68.141231] ? kmsan_memcpy_origins+0xf1/0x170 [ 68.145818] ? sctp_has_association+0x160/0x160 [ 68.150489] sctp_rcv+0xf4e/0x4c90 [ 68.154040] ? raw_rcv+0x680/0x730 [ 68.157583] ? sctp_has_association+0x160/0x160 [ 68.162247] ? sctp_csum_update+0xa0/0xa0 [ 68.166400] ? sctp_csum_combine+0xa0/0xa0 [ 68.170637] ip_local_deliver_finish+0x6ed/0xd40 [ 68.175393] ip_local_deliver+0x43c/0x4e0 [ 68.179542] ? ip_local_deliver+0x4e0/0x4e0 [ 68.183871] ? ip_call_ra_chain+0x7b0/0x7b0 [ 68.188189] ip_rcv_finish+0x1253/0x16d0 [ 68.192250] ip_rcv+0x119d/0x16f0 [ 68.195704] ? ip_rcv+0x16f0/0x16f0 [ 68.199345] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.204361] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.209203] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 68.215002] ? ip_local_deliver_finish+0xd40/0xd40 [ 68.219933] process_backlog+0x62d/0xe20 [ 68.223998] ? rps_trigger_softirq+0x2f0/0x2f0 [ 68.228579] net_rx_action+0x7c1/0x1a70 [ 68.232561] ? net_tx_action+0xab0/0xab0 [ 68.236624] __do_softirq+0x56d/0x93d [ 68.240429] do_softirq_own_stack+0x2a/0x40 [ 68.244742] [ 68.246983] __local_bh_enable_ip+0x114/0x140 [ 68.251476] local_bh_enable+0x36/0x40 [ 68.255369] ip_finish_output2+0x124e/0x1380 [ 68.259785] ip_finish_output+0xcb0/0xff0 [ 68.263936] ip_output+0x502/0x5c0 [ 68.267475] ? ip_mc_finish_output+0x3b0/0x3b0 [ 68.272060] ? ip_finish_output+0xff0/0xff0 [ 68.276377] ip_send_skb+0x5f3/0x820 [ 68.280090] ? __ip_local_out+0x5b0/0x5b0 [ 68.284240] ip_push_pending_frames+0x105/0x170 [ 68.288912] raw_sendmsg+0x2960/0x3ed0 [ 68.292822] ? compat_raw_ioctl+0x100/0x100 [ 68.297143] inet_sendmsg+0x48d/0x740 [ 68.300945] ? security_socket_sendmsg+0x9e/0x210 [ 68.305787] ? inet_getname+0x500/0x500 [ 68.309759] SYSC_sendto+0x6c3/0x7e0 [ 68.313472] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 68.318925] ? prepare_exit_to_usermode+0x149/0x3a0 [ 68.323953] SyS_sendto+0x8a/0xb0 [ 68.327407] do_syscall_64+0x309/0x430 [ 68.331299] ? SYSC_getpeername+0x560/0x560 [ 68.335626] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.340811] RIP: 0033:0x455379 [ 68.343995] RSP: 002b:00007fe58bfaec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 68.351700] RAX: ffffffffffffffda RBX: 00007fe58bfaf6d4 RCX: 0000000000455379 [ 68.358965] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000013 [ 68.366233] RBP: 000000000072bea0 R08: 00000000200001c0 R09: 0000000000000010 [ 68.373501] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.380768] R13: 0000000000000500 R14: 00000000006fa8a0 R15: 0000000000000000 [ 68.388036] [ 68.389655] Uninit was stored to memory at: [ 68.393977] kmsan_internal_chain_origin+0x12b/0x210 [ 68.399082] kmsan_memcpy_origins+0x11d/0x170 [ 68.403575] __msan_memcpy+0x19f/0x1f0 [ 68.407503] skb_copy_bits+0x63a/0xdb0 [ 68.411479] __pskb_pull_tail+0x483/0x22e0 [ 68.415716] sctp_rcv+0x673/0x4c90 [ 68.419255] ip_local_deliver_finish+0x6ed/0xd40 [ 68.424007] ip_local_deliver+0x43c/0x4e0 [ 68.428154] ip_rcv_finish+0x1253/0x16d0 [ 68.432210] ip_rcv+0x119d/0x16f0 [ 68.435662] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.440675] process_backlog+0x62d/0xe20 [ 68.444733] net_rx_action+0x7c1/0x1a70 [ 68.448711] __do_softirq+0x56d/0x93d [ 68.452502] Uninit was created at: [ 68.456046] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 68.461058] kmsan_alloc_page+0x82/0xe0 [ 68.465035] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 68.469791] alloc_pages_current+0x6b5/0x970 [ 68.474199] skb_page_frag_refill+0x3ba/0x5e0 [ 68.478692] sk_page_frag_refill+0xa4/0x340 [ 68.483012] __ip_append_data+0x107e/0x3d10 [ 68.487333] ip_append_data+0x2fb/0x440 [ 68.491311] raw_sendmsg+0x287b/0x3ed0 [ 68.495730] inet_sendmsg+0x48d/0x740 [ 68.499531] SYSC_sendto+0x6c3/0x7e0 [ 68.503246] SyS_sendto+0x8a/0xb0 [ 68.506697] do_syscall_64+0x309/0x430 [ 68.510586] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.515770] ================================================================== [ 68.523125] Disabling lock debugging due to kernel taint [ 68.528569] Kernel panic - not syncing: panic_on_warn set ... [ 68.528569] [ 68.531647] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 68.535935] CPU: 1 PID: 5733 Comm: syz-executor7 Tainted: G B 4.16.0+ #84 [ 68.535941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.535945] Call Trace: [ 68.535952] [ 68.535970] dump_stack+0x185/0x1d0 [ 68.535986] panic+0x39d/0x940 [ 68.536027] ? crc32c_pcl_intel_update+0x2af/0x500 [ 68.580207] kmsan_report+0x238/0x240 [ 68.584010] __msan_warning_32+0x6c/0xb0 [ 68.588075] crc32c_pcl_intel_update+0x2af/0x500 [ 68.592834] ? crc32c_intel_cra_init+0x80/0x80 [ 68.597415] crypto_shash_update+0x1e9/0x210 [ 68.601832] crc32c+0x155/0x210 [ 68.605117] sctp_csum_update+0x89/0xa0 [ 68.609095] __skb_checksum+0x234/0x1010 [ 68.613156] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 68.618522] ? __pskb_pull_tail+0x1154/0x22e0 [ 68.623018] ? kmsan_memcpy_origins+0xf1/0x170 [ 68.627602] ? sctp_has_association+0x160/0x160 [ 68.632272] sctp_rcv+0xf4e/0x4c90 [ 68.635818] ? raw_rcv+0x680/0x730 [ 68.639362] ? sctp_has_association+0x160/0x160 [ 68.644033] ? sctp_csum_update+0xa0/0xa0 [ 68.648189] ? sctp_csum_combine+0xa0/0xa0 [ 68.652420] ip_local_deliver_finish+0x6ed/0xd40 [ 68.657175] ip_local_deliver+0x43c/0x4e0 [ 68.661321] ? ip_local_deliver+0x4e0/0x4e0 [ 68.665645] ? ip_call_ra_chain+0x7b0/0x7b0 [ 68.669967] ip_rcv_finish+0x1253/0x16d0 [ 68.674036] ip_rcv+0x119d/0x16f0 [ 68.677485] ? ip_rcv+0x16f0/0x16f0 [ 68.681124] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.686147] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.690991] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 68.696794] ? ip_local_deliver_finish+0xd40/0xd40 [ 68.701723] process_backlog+0x62d/0xe20 [ 68.705795] ? rps_trigger_softirq+0x2f0/0x2f0 [ 68.710379] net_rx_action+0x7c1/0x1a70 [ 68.714361] ? net_tx_action+0xab0/0xab0 [ 68.718412] __do_softirq+0x56d/0x93d [ 68.722195] do_softirq_own_stack+0x2a/0x40 [ 68.726504] [ 68.728744] __local_bh_enable_ip+0x114/0x140 [ 68.733230] local_bh_enable+0x36/0x40 [ 68.737104] ip_finish_output2+0x124e/0x1380 [ 68.741511] ip_finish_output+0xcb0/0xff0 [ 68.745649] ip_output+0x502/0x5c0 [ 68.749167] ? ip_mc_finish_output+0x3b0/0x3b0 [ 68.753728] ? ip_finish_output+0xff0/0xff0 [ 68.758034] ip_send_skb+0x5f3/0x820 [ 68.761744] ? __ip_local_out+0x5b0/0x5b0 [ 68.765882] ip_push_pending_frames+0x105/0x170 [ 68.770546] raw_sendmsg+0x2960/0x3ed0 [ 68.774451] ? compat_raw_ioctl+0x100/0x100 [ 68.778761] inet_sendmsg+0x48d/0x740 [ 68.782549] ? security_socket_sendmsg+0x9e/0x210 [ 68.787375] ? inet_getname+0x500/0x500 [ 68.791358] SYSC_sendto+0x6c3/0x7e0 [ 68.795062] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 68.800510] ? prepare_exit_to_usermode+0x149/0x3a0 [ 68.805514] SyS_sendto+0x8a/0xb0 [ 68.808968] do_syscall_64+0x309/0x430 [ 68.812848] ? SYSC_getpeername+0x560/0x560 [ 68.817164] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.822336] RIP: 0033:0x455379 [ 68.825519] RSP: 002b:00007fe58bfaec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 68.833210] RAX: ffffffffffffffda RBX: 00007fe58bfaf6d4 RCX: 0000000000455379 [ 68.840467] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000013 [ 68.847726] RBP: 000000000072bea0 R08: 00000000200001c0 R09: 0000000000000010 [ 68.854980] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.862231] R13: 0000000000000500 R14: 00000000006fa8a0 R15: 0000000000000000 [ 68.870024] Dumping ftrace buffer: [ 68.873552] (ftrace buffer empty) [ 68.877235] Kernel Offset: disabled [ 68.880836] Rebooting in 86400 seconds..