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 '10.128.10.18' (ECDSA) to the list of known hosts. 2018/04/15 02:05:49 fuzzer started 2018/04/15 02:05:49 dialing manager at 10.128.0.26:36243 2018/04/15 02:05:56 kcov=true, comps=false 2018/04/15 02:05:59 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0x7, &(0x7f0000d41000), &(0x7f0000eebff0)) pipe(&(0x7f00000006c0)) 2018/04/15 02:05:59 executing program 1: r0 = socket$kcm(0xa, 0x3, 0x3a) sendmsg$kcm(r0, &(0x7f00000019c0)={&(0x7f0000001700)=@nl=@unspec, 0x80, &(0x7f0000000000)=[{&(0x7f0000000500)='u>', 0x2}], 0x1, &(0x7f0000001780)}, 0xfec0) sendmsg(r0, &(0x7f0000000480)={&(0x7f0000000040)=@nl=@unspec, 0x80, &(0x7f0000000280)=[{&(0x7f0000000540)="e486", 0x2}], 0x1, &(0x7f00000002c0)}, 0x0) 2018/04/15 02:05:59 executing program 7: perf_event_open(&(0x7f0000b5a000)={0x0, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x1c) fcntl$setpipe(r1, 0x407, 0x0) fcntl$setpipe(r0, 0x407, 0x0) dup2(r1, r2) 2018/04/15 02:05:59 executing program 2: openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000740)='/dev/vga_arbiter\x00', 0x800, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0x0, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control\x00', 0x101000, 0x0) 2018/04/15 02:06:00 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x32, 0xffffffffffffffff, 0x0) syz_mount_image$iso9660(&(0x7f0000000240)='iso9660\x00', &(0x7f0000000280)='./file0\x00', 0x0, 0x1, &(0x7f00000007c0)=[{&(0x7f0000000580)}], 0x800000, &(0x7f0000000980)=ANY=[]) mlock2(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0) getsockopt$bt_BT_VOICE(0xffffffffffffffff, 0x112, 0xb, &(0x7f0000000900), &(0x7f0000000940)=0x2) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 2018/04/15 02:06:00 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e13000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f00001d3000)=0x1, 0x4) connect$inet(r0, &(0x7f0000606ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f0000006b80)=[{{0x0, 0x0, &(0x7f0000004980), 0x0, &(0x7f0000004a00)}}, {{&(0x7f0000006100)=@in6={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, 0x80, &(0x7f0000006400)=[{&(0x7f0000006380)="13", 0x1}], 0x1, &(0x7f0000000600)=ANY=[], 0x0, 0x10}, 0x4}], 0x2, 0x4004000) 2018/04/15 02:06:00 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e13000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f00001d3000)=0x1, 0x4) connect$inet(r0, &(0x7f0000606ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f0000006b80)=[{{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000000)="6010abd04875d435ee48e609875a48f80acbeee08a78a2cfeb3f70aa5f73dbe127f4c04f7adb4803a07480fa274d6b6eeb00bf8f142aa0853518a3f1d3e34c46b5dcf4da4ec3faabde49ccbd580f4a7eb25c7cd7b3772681354896642d69070d756bc65f09bd7484a574aad8ba", 0x6d}, {&(0x7f0000000200)="68a1705b948a7ed74bc86201831b95ebf2aad8069aa8de37f5e14913698d169b64f27530eca2e5da10b48bbe5f", 0x2d}, {&(0x7f0000000400)="e032cf5a05f50915479ff8298017a34d4aa0918cc6c1b1ebe5a58a364941ef1b032b2564b9b7d938ebef2ebc9453b3b793b87725d90daa21d45716eee511309ad875733bfdfd0546d39e36933606d92b862442a77d835d09f87f66bccfbf31ad5ecb4613980ff12833d6eb2f7930bb99", 0x70}], 0x3, &(0x7f00000021c0)=[{0xa8, 0x10b, 0xbf27, "9b7142522d4a1ee91f64499d9efcc9a83d2981d48a650c90019074b6deb2c4c682748c1054f65119b580db44f19dbb4df87e249a82808f7dd876f0e4a3634f5ad4e7e6e7cf2896ba087f8653daac5bb17056eb08d0e9fc4b6bd93996cfb16b7579932ed6f29cc0158a540c729dfc38842472e66a2e28fd919ee5a81a58567253b4afe65ac468145ff2ee053438c7a52f882799"}], 0xa8, 0x3f0f1eadc2232f13}, 0x5}, {{0x0, 0x0, &(0x7f0000004980)=[{&(0x7f0000004740)="9838bf98663459372751faa1028f18c03b1c46fb6c012a8d5d515d841d456e1ba51aff12a2c6480822eda5de6a943a8674369eca29ba004a2df6c5c7e4a7db63f4465faf5e372720cb5b987fbacc828d78125152c85e21d2083871c8ef47cd8247c72396b0b39916f480f9d6ddc6ecc0711d9e9ae5b6233573ce7d05b2faf5e3c85f6577844c8d95ebac0f94862461f510e198a99b34e6", 0x97}, {&(0x7f0000004900)="a9f41673b7d1f2ffd181c645f583e6f86746133ddba5bc3d01afd17418ef34238c6715dc10da9f0b6278ee0304c30d8cbf1ef22cc29e7800bb4eb1391c0f58a8c970af1a72aafe9028cdb9eebf5c265255e750dadc07fbedd73c8abcf60a9cf889", 0x61}], 0x2, &(0x7f0000004a00), 0x0, 0x9fca1eac72b29e0c}, 0x737}, {{&(0x7f0000006100)=@in6={0xa, 0x4e21, 0x7a8f4c42, @remote={0xfe, 0x80, [], 0xbb}, 0xfffffffffffffff7}, 0x80, &(0x7f0000006400)=[{&(0x7f0000006180)="e6a5", 0x2}, {&(0x7f0000006380)="139aa4c9914ec9529bc878f58829a51a4802ce17a569ec11fbeb5c1f951624a23b475f868949587d8add6fb1fd5036c5b5bb72", 0x33}], 0x2, &(0x7f0000000600)=ANY=[], 0x0, 0x10}, 0x4}], 0x3, 0x4004000) 2018/04/15 02:06:00 executing program 6: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r0) syzkaller login: [ 48.339808] ip (3757) used greatest stack depth: 54816 bytes left [ 49.684646] ip (3883) used greatest stack depth: 54200 bytes left [ 50.269934] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.276518] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.319126] device bridge_slave_0 entered promiscuous mode [ 50.338398] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.344949] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.353907] device bridge_slave_0 entered promiscuous mode [ 50.373469] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.380101] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.391857] device bridge_slave_0 entered promiscuous mode [ 50.417361] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.423897] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.461984] device bridge_slave_0 entered promiscuous mode [ 50.485975] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.492517] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.519740] device bridge_slave_0 entered promiscuous mode [ 50.530898] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.537423] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.546931] device bridge_slave_0 entered promiscuous mode [ 50.559188] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.565683] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.583275] device bridge_slave_1 entered promiscuous mode [ 50.611763] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.618367] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.645986] device bridge_slave_1 entered promiscuous mode [ 50.655097] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.661617] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.691426] device bridge_slave_1 entered promiscuous mode [ 50.701578] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.708172] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.737121] device bridge_slave_1 entered promiscuous mode [ 50.744634] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.751149] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.770081] device bridge_slave_1 entered promiscuous mode [ 50.784202] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.790783] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.815749] device bridge_slave_1 entered promiscuous mode [ 50.823164] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.829633] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.853620] device bridge_slave_0 entered promiscuous mode [ 50.878576] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.888333] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.901149] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.908750] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.915345] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.947078] device bridge_slave_0 entered promiscuous mode [ 50.975477] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.985650] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.994158] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.049159] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.055831] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.090160] device bridge_slave_1 entered promiscuous mode [ 51.100285] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.110441] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.119342] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.170520] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.181164] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.187964] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.238537] device bridge_slave_1 entered promiscuous mode [ 51.245448] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.254764] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.325643] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.473891] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.514600] ip (4008) used greatest stack depth: 53656 bytes left [ 51.572310] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.696360] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.080021] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.142960] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.151059] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.207731] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.262905] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.275654] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.301691] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.359191] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.386342] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.404492] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.485593] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.504155] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.586196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.742745] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.770014] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.971981] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.367373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.384794] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.419683] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.456393] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.496447] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.529197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.620833] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.631249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.650741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.658992] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.743872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.766504] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.780961] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.834654] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.841927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.852116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.899481] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.908144] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.915469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.936775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.958255] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.966305] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.974116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.002778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.026303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.057352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.075984] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.090313] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.100169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.108987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.126339] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.135082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.144561] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.152231] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.160902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.188864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.218087] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.228325] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.235958] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.243180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.267929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.288549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.310343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.326914] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.334182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.347837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.361523] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.369412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.380976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.414196] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.421435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.434250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.469136] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.477575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.488401] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.527306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.559659] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.594766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.637466] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.645085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.661997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.696884] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.706573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.718871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.573141] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.579684] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.586602] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.593138] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.616978] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.632197] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.660256] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.666782] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.673723] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.680245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.749159] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.760465] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.766957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.773811] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.780299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.799221] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.812646] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.819159] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.826082] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.832590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.854735] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.861348] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.867845] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.874711] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.881206] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.917955] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.937412] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.943939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.950830] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.957333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.019854] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.163244] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.169788] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.176675] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.183185] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.234910] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.253614] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.260133] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.267023] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.273531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.366756] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.696891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.717558] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.752970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.773783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.789739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.798880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.806565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.838634] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.366983] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.446138] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.486981] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.591877] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.600161] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.639481] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.648166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.660426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.835741] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.094961] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.101362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.109654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.131371] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.350942] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.357310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.364666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.394408] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.407420] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.418160] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.430607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.450711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.488776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.526020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.548764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.557414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.745924] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.752283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.770669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.998928] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 68.005254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.019674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.742365] ================================================================== [ 72.749835] BUG: KMSAN: uninit-value in rawv6_sendmsg+0x4bee/0x4cc0 [ 72.756533] CPU: 0 PID: 5674 Comm: syz-executor1 Not tainted 4.16.0+ #83 [ 72.763550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.772926] Call Trace: [ 72.775553] dump_stack+0x185/0x1d0 [ 72.779217] ? rawv6_sendmsg+0x4bee/0x4cc0 [ 72.783483] kmsan_report+0x142/0x240 [ 72.787320] __msan_warning_32+0x6c/0xb0 [ 72.791414] rawv6_sendmsg+0x4bee/0x4cc0 [ 72.795516] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 72.800915] ? rw_copy_check_uvector+0x5af/0x6c0 [ 72.805723] ? compat_rawv6_ioctl+0x30/0x30 [ 72.810253] inet_sendmsg+0x48d/0x740 [ 72.814076] ? security_socket_sendmsg+0x9e/0x210 [ 72.818946] ? inet_getname+0x500/0x500 [ 72.822940] ___sys_sendmsg+0xec0/0x1310 [ 72.827286] ? __fdget+0x4e/0x60 [ 72.830880] SYSC_sendmsg+0x2a3/0x3d0 [ 72.834710] SyS_sendmsg+0x54/0x80 [ 72.838282] do_syscall_64+0x309/0x430 [ 72.842194] ? ___sys_sendmsg+0x1310/0x1310 [ 72.846548] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 72.851758] RIP: 0033:0x455319 [ 72.854973] RSP: 002b:00007f74e140ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.863665] RAX: ffffffffffffffda RBX: 00007f74e140f6d4 RCX: 0000000000455319 [ 72.870964] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000013 [ 72.880640] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 72.887929] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 72.895217] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 72.904301] [ 72.907365] Uninit was stored to memory at: [ 72.911718] kmsan_internal_chain_origin+0x12b/0x210 [ 72.916831] kmsan_memcpy_origins+0x11d/0x170 [ 72.922960] __msan_memcpy+0x19f/0x1f0 [ 72.927045] skb_copy_bits+0x63a/0xdb0 [ 72.932061] rawv6_sendmsg+0x427e/0x4cc0 [ 72.936132] inet_sendmsg+0x48d/0x740 [ 72.939952] ___sys_sendmsg+0xec0/0x1310 [ 72.944041] SYSC_sendmsg+0x2a3/0x3d0 [ 72.948033] SyS_sendmsg+0x54/0x80 [ 72.951584] do_syscall_64+0x309/0x430 [ 72.955483] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 72.960843] Uninit was created at: [ 72.964397] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 72.969426] kmsan_alloc_page+0x82/0xe0 [ 72.973416] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 72.978224] alloc_pages_current+0x6b5/0x970 [ 72.983261] skb_page_frag_refill+0x3ba/0x5e0 [ 72.988037] sk_page_frag_refill+0xa4/0x340 [ 72.992375] __ip6_append_data+0x1a20/0x4bb0 [ 72.996952] ip6_append_data+0x40e/0x6b0 [ 73.001143] rawv6_sendmsg+0x2787/0x4cc0 [ 73.005215] inet_sendmsg+0x48d/0x740 [ 73.009035] ___sys_sendmsg+0xec0/0x1310 [ 73.013115] SYSC_sendmsg+0x2a3/0x3d0 [ 73.016935] SyS_sendmsg+0x54/0x80 [ 73.020486] do_syscall_64+0x309/0x430 [ 73.024396] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 73.029754] ================================================================== [ 73.037323] Disabling lock debugging due to kernel taint [ 73.042775] Kernel panic - not syncing: panic_on_warn set ... [ 73.042775] [ 73.050167] CPU: 0 PID: 5674 Comm: syz-executor1 Tainted: G B 4.16.0+ #83 [ 73.058581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.067948] Call Trace: [ 73.070726] dump_stack+0x185/0x1d0 [ 73.075469] panic+0x39d/0x940 [ 73.078714] ? rawv6_sendmsg+0x4bee/0x4cc0 [ 73.083137] kmsan_report+0x238/0x240 [ 73.086955] __msan_warning_32+0x6c/0xb0 [ 73.091035] rawv6_sendmsg+0x4bee/0x4cc0 [ 73.095113] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 73.100684] ? rw_copy_check_uvector+0x5af/0x6c0 [ 73.105468] ? compat_rawv6_ioctl+0x30/0x30 [ 73.109799] inet_sendmsg+0x48d/0x740 [ 73.113606] ? security_socket_sendmsg+0x9e/0x210 [ 73.118459] ? inet_getname+0x500/0x500 [ 73.122449] ___sys_sendmsg+0xec0/0x1310 [ 73.126529] ? __fdget+0x4e/0x60 [ 73.129922] SYSC_sendmsg+0x2a3/0x3d0 [ 73.133751] SyS_sendmsg+0x54/0x80 [ 73.137302] do_syscall_64+0x309/0x430 [ 73.141220] ? ___sys_sendmsg+0x1310/0x1310 [ 73.145556] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 73.150753] RIP: 0033:0x455319 [ 73.154391] RSP: 002b:00007f74e140ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.162120] RAX: ffffffffffffffda RBX: 00007f74e140f6d4 RCX: 0000000000455319 [ 73.169396] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000013 [ 73.176677] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 73.183967] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 73.191254] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 73.199012] Dumping ftrace buffer: [ 73.202553] (ftrace buffer empty) [ 73.206250] Kernel Offset: disabled [ 73.209860] Rebooting in 86400 seconds..