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 '10.128.10.5' (ECDSA) to the list of known hosts. 2018/04/13 16:08:52 fuzzer started 2018/04/13 16:08:53 dialing manager at 10.128.0.26:33379 2018/04/13 16:09:00 kcov=true, comps=false 2018/04/13 16:09:03 executing program 0: 2018/04/13 16:09:03 executing program 1: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = open(&(0x7f0000042ff8)='./file0\x00', 0x80040, 0x0) fcntl$setlease(r1, 0x400, 0x0) rt_sigprocmask(0x0, &(0x7f0000da1000)={0xfffffffffffffffe}, 0x0, 0x8) rt_sigtimedwait(&(0x7f0000061000)={0xfffffffffffffffb}, &(0x7f0000039ff0), &(0x7f0000039ff0)={0x77359400, 0xffff}, 0x8) truncate(&(0x7f0000000100)='./file0\x00', 0x0) dup2(r0, r1) 2018/04/13 16:09:03 executing program 7: mkdir(&(0x7f000002b000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000002c000)='./file0\x00', &(0x7f00001d0ffa)='ramfs\x00', 0x1000818, &(0x7f000000a000)) r0 = creat(&(0x7f0000f66ff4)='./file0/bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000040)='threaded\x00', 0x9) 2018/04/13 16:09:03 executing program 2: syz_emit_ethernet(0x2a, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2}, @random="7d73cf61100f", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @rand_addr, @broadcast=0xffffffff}, @igmp={0x0, 0x0, 0x0, @multicast2=0xe0000032}}}}}, &(0x7f0000000000)) 2018/04/13 16:09:03 executing program 3: mkdir(&(0x7f0000030ffa)='./bus\x00', 0x0) seccomp(0x1, 0x0, &(0x7f0000158000)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xfffffffd}]}) pipe(&(0x7f0000000040)) open(&(0x7f0000000100)='./bus/file0\x00', 0x880c0, 0x0) pselect6(0x40, &(0x7f0000000000), &(0x7f0000768000), &(0x7f0000086000), &(0x7f0000349000), &(0x7f0000f14000)={&(0x7f0000a65ff8), 0x8}) 2018/04/13 16:09:03 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) writev(r0, &(0x7f0000002680)=[{&(0x7f0000000080)}, {&(0x7f0000001180)="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", 0x1000}, {&(0x7f0000002240)="bf55833957569f0f5229c26ea3372aea664bd66ee1ea240d5278edf3183b1020a599d37106deaa8ca45855b21402de9759545a2a7b2b7ae2ace6d593e32a3bf4c66e853309a7403e840f30a5006e36e0eb7bb1fec7aaa0566d67727fb8d110ea816be9a12579bea5519d74bc08b9af705a4bee4f50ab43457028f9b1af4dc10fad73406a18efc3b179f6780f3477d29d74ce89b20035b963144b250204df431e91e4194ca43af258c1494f6c48f6754ffc2a2979ba7d613dc03d435a1712f4891864e7", 0xc3}, {&(0x7f0000002440)="c0f666fd6fa0d6d366f27b71debb49d2c0609e0bed62c9fab2ea2338027b794d563ed05a2ab80c6e48ddd0e50b4ff3e4c77e4830a442ebc2e13c705b2b42edf7846f6b847bb3bc021ffbc43aa5c28b727c8c302b53ccc7c0b3601e311218b66ee5252cfb1220f553fe2db26140d40dd4fac5226726b75780c8f476077e0a1795a315d39693d6d0d15a586e231424bdadc07a073682f92f2f0f8b7c5cda110980d3cb9e089ada0f1a5eb29229cd0b6093aae4bcccae1add7114e13af1b773782482c099372e6a827c5f56f5ac8169f9b21c103d05787cee8a37019a608c2c811fca782d5dd05993804353f5e7d1dde642dafc54778cbd8a8a", 0xf8}, {&(0x7f0000002640)="0abed110273d5c00abbb4f92728a1ac7bab10fa154136deffa9511a46434c0cedfc696b21e5c407b7886b9b7561a", 0x2e}], 0x5) 2018/04/13 16:09:03 executing program 5: bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000000)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392de40ff1fb630000000000000006fdc24e95e12aa7748f9f393e72be98c66f"}, 0x10) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000040)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392dc50ff1fb635a5849d2f5916ae2fdc24e95e12aa8daccf7393e72be9c"}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x1000000000000004, 0x9}, 0x2c) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_icmp(0x6f3000, 0x7ffffffff004, 0x4, &(0x7f0000000000)) 2018/04/13 16:09:03 executing program 6: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000042ff8)='./file0\x00', 0x80040, 0x0) fcntl$setlease(r0, 0x400, 0x0) rt_sigprocmask(0x0, &(0x7f0000da1000)={0xfffffffffffffffe}, 0x0, 0x8) rt_sigtimedwait(&(0x7f0000061000)={0xfffffffffffffffb}, &(0x7f0000039ff0), &(0x7f0000039ff0)={0x77359400, 0xffff}, 0x8) truncate(&(0x7f0000000100)='./file0\x00', 0x0) syzkaller login: [ 43.174552] ip (3738) used greatest stack depth: 54688 bytes left [ 43.587610] ip (3772) used greatest stack depth: 54408 bytes left [ 44.143684] ip (3827) used greatest stack depth: 54312 bytes left [ 44.801612] ip (3893) used greatest stack depth: 54200 bytes left [ 45.061532] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.068005] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.093788] device bridge_slave_0 entered promiscuous mode [ 45.146401] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.152921] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.190971] device bridge_slave_0 entered promiscuous mode [ 45.222467] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.228923] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.270076] device bridge_slave_0 entered promiscuous mode [ 45.296402] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.302879] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.315251] device bridge_slave_0 entered promiscuous mode [ 45.360854] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.367329] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.380124] device bridge_slave_1 entered promiscuous mode [ 45.390708] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.397211] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.433867] device bridge_slave_0 entered promiscuous mode [ 45.450548] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.457093] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.475949] device bridge_slave_1 entered promiscuous mode [ 45.484620] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.491115] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.511655] device bridge_slave_1 entered promiscuous mode [ 45.558817] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.566648] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.573136] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.607200] device bridge_slave_0 entered promiscuous mode [ 45.631946] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.638392] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.652857] device bridge_slave_1 entered promiscuous mode [ 45.664250] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.670700] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.705967] device bridge_slave_1 entered promiscuous mode [ 45.718706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.733527] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.741094] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.763108] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.769577] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.796103] device bridge_slave_1 entered promiscuous mode [ 45.803118] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.809533] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.833413] device bridge_slave_0 entered promiscuous mode [ 45.852762] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.859246] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.887111] device bridge_slave_0 entered promiscuous mode [ 45.912410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.924204] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.946819] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.955395] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.963882] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.027382] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.033829] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.076987] device bridge_slave_1 entered promiscuous mode [ 46.090263] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.098658] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.129119] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.135610] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.176183] device bridge_slave_1 entered promiscuous mode [ 46.211490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.254198] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.378180] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.474135] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.568067] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.750871] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.955727] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.978822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.009401] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.026226] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.042944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.173781] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.196627] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.203957] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.232921] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.256401] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.465202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.494235] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.555326] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.715311] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.790819] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.012398] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.132201] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.192345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.203729] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.214513] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.275690] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.356700] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.390603] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.414699] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.437470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.444645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.463951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.517638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.534550] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.545408] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.552547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.565728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.602322] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.609518] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.654821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.688742] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.695927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.714214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.743906] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.751445] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.763713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.784224] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.792111] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.803012] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.817632] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.824791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.842853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.881187] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.893419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.905846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.944128] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.951561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.971173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.007498] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.015327] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.025683] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.033742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.069597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.089639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.102777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.117770] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.138200] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.145307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.159720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.201498] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.208690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.217643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.241724] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.257622] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.293106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.353838] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.368111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.408858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.449471] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.456614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.480909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.591698] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.601991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.624730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.025832] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.032309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.039184] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.045626] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.122998] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.130859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.217992] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.224486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.231378] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.237827] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.309017] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.358007] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.364520] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.371399] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.378057] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.438972] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.451866] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.458338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.465207] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.471635] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.483756] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.501103] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.507586] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.514481] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.520949] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.594734] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.601436] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.607930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.614739] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.621193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.631317] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.848592] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.855141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.861987] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.868435] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.879691] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.094693] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.101179] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.108078] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.114512] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.152012] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.192152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.203526] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.234555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.248136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.264660] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.278617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.287657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.658433] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.701506] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.730419] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.767890] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.011682] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.065679] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.235320] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.286684] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.431120] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.437368] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.451084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.496594] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.505133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.518514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.555573] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.562153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.577915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.608875] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.630505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.672994] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.809005] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.815328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.826142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.883195] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.889467] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.902665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.048670] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.054956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.065588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.113635] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.125406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.145426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/13 16:09:29 executing program 2: r0 = socket$inet(0x10, 0x2, 0x0) sendmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000000)="2f0000001a0003006d0000360000000080dd070002080000045f32c904040000000173730beeffff005867855e7fa5", 0x2f}], 0x1}, 0x0) [ 67.249960] netlink: 19 bytes leftover after parsing attributes in process `syz-executor2'. [ 67.483127] audit: type=1326 audit(1523635769.480:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=5731 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455319 code=0xffff0000 [ 68.339610] audit: type=1326 audit(1523635770.338:4): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=5731 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455319 code=0xffff0000 2018/04/13 16:09:30 executing program 0: 2018/04/13 16:09:30 executing program 7: 2018/04/13 16:09:30 executing program 2: 2018/04/13 16:09:30 executing program 5: 2018/04/13 16:09:30 executing program 4: 2018/04/13 16:09:30 executing program 1: 2018/04/13 16:09:30 executing program 6: 2018/04/13 16:09:30 executing program 3: 2018/04/13 16:09:30 executing program 4: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) connect$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x82}]}, 0x10) sendmsg(r0, &(0x7f0000000480)={&(0x7f0000000200)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(ctr(aes-aesni),ghash-generic)\x00'}, 0x80, &(0x7f0000000440)=[{&(0x7f0000000280)="05ced979dfcae4c31052c346f6ba3003011822c187ad8d3bbcad6801ae232b0d24d5c551fe81699d59a08517b911516fefcfb78758bade5beb9b9afd6e59fe826d016167f705a32b9fc54ee7db45f25172444a8340824e6a90097c92a2e563e01b3004981ed189fa808f3798046c42e251f19accc7308c0c736d69011c6be5", 0x7f}], 0x1, &(0x7f0000000580)=ANY=[], 0x0, 0x20004000}, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000940)={@in={{0x2, 0x4e21, @loopback=0x7f000001}}, 0x200, 0x7, 0x3, "f97d8d35e15189ff67373c7d18c05c74541efa54fedc5c633f091bd5f8e30ccbbeac391cb579d3a3d14f60a8c83786a9214ebcb4f2b3949cc3063cecb6ade011a159983af910b04bf776c9db06bbb6da"}, 0xd8) sendmsg(r0, &(0x7f0000000900)={&(0x7f0000000300)=@vsock={0x28, 0x0, 0xffffffff, @host=0x2}, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)="021c8cd2bb8e9e9ef686326d7de74e866267f7d0a2179842d61ce59e6fa3903e70bb6f372d6817ab45bf48", 0x2b}], 0x1, 0x0, 0x0, 0x890}, 0x1) 2018/04/13 16:09:30 executing program 7: r0 = socket$nl_xfrm(0x11, 0x3, 0x6) bind$packet(r0, &(0x7f0000000240)={0x11, 0x3, 0x0, 0x1, 0x0, 0x6}, 0x14) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000080)={0x0, 0x0, 0xfffffffffffffffd}, 0x4) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f000000d000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) connect$inet6(r1, &(0x7f0000031000)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}, 0x1c) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000140)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0xff}]}, 0x10) sendmsg(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000011c0)="67e88612eb293ebcc6e2538ec28723ef5ac755628ea2a0b1e07707dd474ef33418096eac6d43622598da899ceb17ed087c00f4a9bfecb9e4a546e9ffc2060cb177cbb9ccaa023d17c062615c3533e7c10db9fd29a4f1fc81aa77dcb30e13027b33478b9935b0c78d9d02927eaded6c1a58d78cc33a27cbad8dd5f33d25206d4034a943ae440eac7a403e1f509c2ecd770a1201f982a6dace8139d1f4c4954a9871adeee060372959ca29280ca462f033fcdcfd5062bda192edfce49db9c439f524d943c429e3eae8ade849ba957f2c3645f067368245cbc9cff29c2f3ee162ba481a84004873bb68bc4dc8868afa5e6384763ebd80bf800b3f85df737c07246d93c66a8cb16b68762855d8909b643a240d901f7db475c61fb0b1f14e0cc20cab817c9e96909478f24244d3e2003536e44b31755ef622ccadca5cbda00bc2298e83a0bad4ea443d7aba9619881ea482cc39648f9f8ac9c2da4a7f397215ebb4ff24ed965c622f984d0ef9d820a6ba1839aa55417cefdbee3f36fde51ee14d892605f0ca04a4a99a0cce3ed29c997740af73ee89a6e769d7781e489a8f8314d4dd3b533434b51c0420447124c78eb6a12159356a1e715489c4bc0b3fe9a5", 0x1bd}], 0x1, &(0x7f0000000000)}, 0x0) [ 68.770084] ================================================================== [ 68.777514] BUG: KMSAN: uninit-value in tcp_parse_options+0xd74/0x1a30 [ 68.784188] CPU: 0 PID: 5783 Comm: syz-executor4 Not tainted 4.16.0+ #83 [ 68.791020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.800365] Call Trace: [ 68.802961] dump_stack+0x185/0x1d0 [ 68.806603] ? tcp_parse_options+0xd74/0x1a30 [ 68.811099] kmsan_report+0x142/0x240 [ 68.814905] __msan_warning_32+0x6c/0xb0 [ 68.818973] tcp_parse_options+0xd74/0x1a30 [ 68.823316] tcp_validate_incoming+0x4f1/0x2790 [ 68.828000] tcp_rcv_established+0xf60/0x2bb0 [ 68.832505] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.837869] tcp_v4_do_rcv+0x6cd/0xd90 [ 68.841763] ? inet_sk_rx_dst_set+0x2c0/0x2c0 [ 68.846254] __release_sock+0x2d6/0x680 [ 68.850230] release_sock+0x97/0x2a0 [ 68.853949] tcp_sendmsg+0xd6/0x100 [ 68.857582] ? tcp_sendmsg_locked+0x6d20/0x6d20 [ 68.862253] inet_sendmsg+0x48d/0x740 [ 68.866057] ? security_socket_sendmsg+0x9e/0x210 [ 68.870889] ? inet_getname+0x500/0x500 [ 68.874844] ___sys_sendmsg+0xec0/0x1310 [ 68.878888] ? __fdget+0x4e/0x60 [ 68.882245] SYSC_sendmsg+0x2a3/0x3d0 [ 68.886040] SyS_sendmsg+0x54/0x80 [ 68.889567] do_syscall_64+0x309/0x430 [ 68.893437] ? ___sys_sendmsg+0x1310/0x1310 [ 68.897735] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.902909] RIP: 0033:0x455319 [ 68.906082] RSP: 002b:00007fb40e2a2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.913775] RAX: ffffffffffffffda RBX: 00007fb40e2a36d4 RCX: 0000000000455319 [ 68.921039] RDX: 0000000000000001 RSI: 0000000020000900 RDI: 0000000000000013 [ 68.928296] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.935541] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.942788] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 68.950041] [ 68.951651] Uninit was created at: [ 68.955178] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 68.960274] kmsan_kmalloc+0x94/0x100 [ 68.964076] kmsan_slab_alloc+0x11/0x20 [ 68.968045] __kmalloc_node_track_caller+0xaed/0x11c0 [ 68.973222] __alloc_skb+0x2cf/0x9f0 [ 68.976911] tcp_send_ack+0x18c/0x910 [ 68.980700] tcp_rcv_established+0x2103/0x2bb0 [ 68.985278] tcp_v4_do_rcv+0x6cd/0xd90 [ 68.989156] __release_sock+0x2d6/0x680 [ 68.993106] release_sock+0x97/0x2a0 [ 68.996797] tcp_sendmsg+0xd6/0x100 [ 69.000403] inet_sendmsg+0x48d/0x740 [ 69.004182] ___sys_sendmsg+0xec0/0x1310 [ 69.008225] SYSC_sendmsg+0x2a3/0x3d0 [ 69.012007] SyS_sendmsg+0x54/0x80 [ 69.015531] do_syscall_64+0x309/0x430 [ 69.019397] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.024558] ================================================================== [ 69.031888] Disabling lock debugging due to kernel taint [ 69.037311] Kernel panic - not syncing: panic_on_warn set ... [ 69.037311] [ 69.044652] CPU: 0 PID: 5783 Comm: syz-executor4 Tainted: G B 4.16.0+ #83 [ 69.052767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.062093] Call Trace: [ 69.064669] dump_stack+0x185/0x1d0 [ 69.068277] panic+0x39d/0x940 [ 69.071461] ? tcp_parse_options+0xd74/0x1a30 [ 69.075936] kmsan_report+0x238/0x240 [ 69.079714] __msan_warning_32+0x6c/0xb0 [ 69.084061] tcp_parse_options+0xd74/0x1a30 [ 69.088383] tcp_validate_incoming+0x4f1/0x2790 [ 69.093050] tcp_rcv_established+0xf60/0x2bb0 [ 69.097532] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 69.102873] tcp_v4_do_rcv+0x6cd/0xd90 [ 69.106739] ? inet_sk_rx_dst_set+0x2c0/0x2c0 [ 69.111213] __release_sock+0x2d6/0x680 [ 69.115168] release_sock+0x97/0x2a0 [ 69.118858] tcp_sendmsg+0xd6/0x100 [ 69.122463] ? tcp_sendmsg_locked+0x6d20/0x6d20 [ 69.127122] inet_sendmsg+0x48d/0x740 [ 69.130908] ? security_socket_sendmsg+0x9e/0x210 [ 69.135728] ? inet_getname+0x500/0x500 [ 69.139683] ___sys_sendmsg+0xec0/0x1310 [ 69.143726] ? __fdget+0x4e/0x60 [ 69.147076] SYSC_sendmsg+0x2a3/0x3d0 [ 69.150873] SyS_sendmsg+0x54/0x80 [ 69.154405] do_syscall_64+0x309/0x430 [ 69.158274] ? ___sys_sendmsg+0x1310/0x1310 [ 69.162577] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.167750] RIP: 0033:0x455319 [ 69.170923] RSP: 002b:00007fb40e2a2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.178616] RAX: ffffffffffffffda RBX: 00007fb40e2a36d4 RCX: 0000000000455319 [ 69.185859] RDX: 0000000000000001 RSI: 0000000020000900 RDI: 0000000000000013 [ 69.193108] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.200360] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 69.207616] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 69.215298] Dumping ftrace buffer: [ 69.218812] (ftrace buffer empty) [ 69.222491] Kernel Offset: disabled [ 69.226089] Rebooting in 86400 seconds..