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 '10.128.10.3' (ECDSA) to the list of known hosts. 2018/04/21 02:49:48 fuzzer started 2018/04/21 02:49:48 dialing manager at 10.128.0.26:35229 2018/04/21 02:49:55 kcov=true, comps=false 2018/04/21 02:49:57 executing program 0: 2018/04/21 02:49:57 executing program 1: 2018/04/21 02:49:58 executing program 7: r0 = socket$inet(0x2, 0x3, 0x21) sendmsg(r0, &(0x7f0000000100)={&(0x7f0000000000)=@in={0x2, 0x0, @loopback=0x7f000001}, 0x80, &(0x7f00000003c0)=[{&(0x7f00000001c0)="a2e4", 0x2}], 0x1, &(0x7f0000000700)}, 0x8000) sendmsg(r0, &(0x7f0000000380)={&(0x7f0000000080)=@nl=@unspec, 0x80, &(0x7f0000001340)=[{&(0x7f0000000740)="d5f658c0586bb3", 0x7}, {&(0x7f0000001180)="9b77be9631f4a480c7baea09413e626cef0267ebc9493be3a03f8bdb87072b8fb29728c6ac14489c0178132b1567c182793591f674f1d5add6814d30127c02518919817da01098c192670fe2986897678f97d35cffb50a1b5f798b55e811880d32eb5a86db093a208ddced5e517dbab5ab5d6ee216014d58a4e854b75c43fa6fd35440", 0x83}, {&(0x7f0000001280)="9adf288e3caecc3b24dcef50236b8cf4284472fcf9a2ff589320b20f263c57625311ad3ba52d444ed2fcd8cb28184a64c11dff5d467ff62d44adbae2ba639a4af0c165ee535f27708628a55ef4710cbe891da115b42da4e04b635e60b38bc4928c97c3d653d4d00aec4148421f92cb757d6bfb3a796fb0548754215025ed00ba66519c523dfb6640a4019ae9a8c00fdba3b8891cdeea6926e2bd", 0x9a}], 0x3, &(0x7f0000000280)}, 0x0) 2018/04/21 02:49:58 executing program 2: syz_mount_image$vfat(&(0x7f0000000080)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000440)=[{&(0x7f0000000240)="d82baf99b488454534f5a4a8e002bc88bf49c2fb", 0x14, 0x2}, {&(0x7f00000003c0), 0x0, 0x3f90}], 0x8000, &(0x7f00000004c0)) 2018/04/21 02:49:58 executing program 3: clock_nanosleep(0x2, 0x0, &(0x7f0000000040)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) shmdt(0x0) 2018/04/21 02:49:58 executing program 4: r0 = memfd_create(&(0x7f00000005c0)="6465762046a80d01bed3c1e1c85fe2dbef94a677a99248217280a42d688043cc913ddb112187ee23355083fc8a1eed8f3d1a468b405da49550403420a5685e12afb758b1bfcf91d09bfe61b023e1b04f2f8e23a38e1ef575997d875079d8275500cf932de25ff116808e0097e9a30f89ffec73d758337ba4ecfe26e0709dceb3bc100af911f29826293f7e6d4cbbb7fa03189e2fd5b9461150c1f6c46be2eddd2f84ce8136164ee052fdf7c5919654885d693f6c70f42b0eef3f33160056b93855cb84bf62730fd9afe77c1b8d7b0b9dcc2a7566f6067be13c15bbbc440e796acc56b204c7f48fcdfa2e84e52a95", 0x3) write(r0, &(0x7f0000000240)='v', 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xffff) fcntl$addseals(r0, 0x409, 0xa) fremovexattr(r0, &(0x7f0000000000)=@random={'btrfs.', '\x00'}) write(r0, &(0x7f000006e000), 0x0) 2018/04/21 02:49:58 executing program 5: r0 = socket(0x10, 0x400000000003, 0x0) write(r0, &(0x7f0000000140)="170000001a001bed0000132100f404fffffd9872eff0cf", 0x17) syz_mount_image$reiserfs(&(0x7f0000000040)='reiserfs\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000800), 0x0, &(0x7f0000000880)) recvmmsg(r0, &(0x7f0000000040), 0x1d2, 0x0, &(0x7f0000000000)={0x0, 0x1c9c380}) 2018/04/21 02:49:58 executing program 6: syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x803) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu\x00', 0x200002, 0x0) fchdir(r0) open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) syzkaller login: [ 45.196556] ip (3761) used greatest stack depth: 54688 bytes left [ 45.567207] ip (3794) used greatest stack depth: 54672 bytes left [ 46.555809] ip (3892) used greatest stack depth: 54200 bytes left [ 46.853362] ip (3917) used greatest stack depth: 53960 bytes left [ 46.950771] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.957275] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.984079] device bridge_slave_0 entered promiscuous mode [ 47.114109] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.120599] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.167975] device bridge_slave_0 entered promiscuous mode [ 47.238815] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.245311] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.274170] device bridge_slave_1 entered promiscuous mode [ 47.316145] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.322645] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.344121] device bridge_slave_0 entered promiscuous mode [ 47.365864] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.372342] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.392822] device bridge_slave_0 entered promiscuous mode [ 47.419149] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.425607] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.444981] device bridge_slave_0 entered promiscuous mode [ 47.457195] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.463713] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.472228] device bridge_slave_0 entered promiscuous mode [ 47.479933] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.486575] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.504364] device bridge_slave_1 entered promiscuous mode [ 47.514830] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.521292] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.542276] device bridge_slave_0 entered promiscuous mode [ 47.567307] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.577487] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.583984] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.614109] device bridge_slave_1 entered promiscuous mode [ 47.638566] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.645103] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.673101] device bridge_slave_1 entered promiscuous mode [ 47.680193] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.686636] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.703707] device bridge_slave_1 entered promiscuous mode [ 47.714197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.729587] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.736965] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.743429] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.761984] device bridge_slave_0 entered promiscuous mode [ 47.778922] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.785385] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.813335] device bridge_slave_1 entered promiscuous mode [ 47.843426] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.849956] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.860201] device bridge_slave_1 entered promiscuous mode [ 47.875418] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.895781] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.904524] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.912206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.973579] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.980120] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.029951] device bridge_slave_1 entered promiscuous mode [ 48.039594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.084884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.094478] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.123727] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.138185] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.177984] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.220282] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.334964] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.425170] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.678630] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.884971] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.899733] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.059994] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.083800] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.123632] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.141642] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.150138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.271175] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.282831] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.336345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.352515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.383324] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.450837] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.557160] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.664625] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.823859] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.049405] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.168185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.229579] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.236764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.248891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.278818] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.287994] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.353763] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.364785] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.423188] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.443103] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.452241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.469360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.516544] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.541646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.556626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.579531] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.607365] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.637161] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.644317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.658747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.711983] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.719371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.732984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.770350] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.783501] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.798741] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.805917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.823327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.870966] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.879136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.912807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.941325] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.948602] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.962908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.980074] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.991251] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.998354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.034962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.059838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.078928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.090426] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.107800] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.115771] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.125210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.142806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.170387] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.185938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.206007] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.213377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.221512] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.262494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.272443] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.279960] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.291879] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.326832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.372790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.402480] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.412536] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.422829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.465987] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.473844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.486557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.081751] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.088251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.095162] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.101609] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.169982] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.177682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.244625] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.251133] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.257953] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.264393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.321549] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.348737] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.355227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.362115] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.368548] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.392540] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.406316] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.412774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.419590] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.426098] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.474775] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.688258] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.694751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.701606] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.708087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.721630] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.735699] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.742169] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.749073] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.755521] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.835941] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.848347] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.854831] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.861699] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.868153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.897568] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.905231] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.911724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.918638] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.925143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.949541] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.240528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.252729] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.296693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.326450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.350697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.361672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.368774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.737351] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.850596] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.966652] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.044442] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.144556] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.168942] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.333810] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.354761] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.526906] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.533208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.544474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.600184] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.606457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.617254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.822300] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.828624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.840095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.868555] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.874835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.886511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.942131] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.948469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.957102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.983694] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.992877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.016276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.237416] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.244269] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.274225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.302347] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.308617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.323675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.574661] raw_sendmsg: syz-executor7 forgot to set AF_INET. Fix it! [ 69.614437] ================================================================== [ 69.621837] BUG: KMSAN: uninit-value in dccp_invalid_packet+0x3b8/0xf50 [ 69.628597] CPU: 0 PID: 5750 Comm: syz-executor7 Not tainted 4.16.0+ #84 [ 69.635430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.644782] Call Trace: [ 69.647361] [ 69.649517] dump_stack+0x185/0x1d0 [ 69.653148] ? dccp_invalid_packet+0x3b8/0xf50 [ 69.657734] kmsan_report+0x142/0x240 [ 69.661540] __msan_warning_32+0x6c/0xb0 [ 69.665601] dccp_invalid_packet+0x3b8/0xf50 [ 69.670012] ? ip_local_deliver_finish+0x6ed/0xd40 [ 69.674943] ? ip_local_deliver_finish+0x6ed/0xd40 [ 69.679873] dccp_v4_rcv+0xf7/0x2630 [ 69.683587] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 69.688952] ? raw_local_deliver+0x1462/0x1470 [ 69.693535] ? ip_local_deliver_finish+0x4a5/0xd40 [ 69.698460] ? local_bh_enable+0x40/0x40 [ 69.702521] ? local_bh_enable+0x40/0x40 [ 69.706585] ip_local_deliver_finish+0x6ed/0xd40 [ 69.711345] ip_local_deliver+0x43c/0x4e0 [ 69.715490] ? ip_local_deliver+0x4e0/0x4e0 [ 69.719817] ? ip_call_ra_chain+0x7b0/0x7b0 [ 69.724131] ip_rcv_finish+0x1253/0x16d0 [ 69.728192] ip_rcv+0x119d/0x16f0 [ 69.731644] ? ip_rcv+0x16f0/0x16f0 [ 69.735278] __netif_receive_skb_core+0x47cf/0x4a80 [ 69.740289] ? rb_insert_color+0xa4/0x1300 [ 69.744525] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 69.750321] ? ip_local_deliver_finish+0xd40/0xd40 [ 69.755246] process_backlog+0x62d/0xe20 [ 69.759300] ? rps_trigger_softirq+0x2f0/0x2f0 [ 69.763864] net_rx_action+0x7c1/0x1a70 [ 69.767830] ? net_tx_action+0xab0/0xab0 [ 69.771892] __do_softirq+0x56d/0x93d [ 69.775694] ? do_syscall_64+0xec/0x430 [ 69.779669] do_softirq_own_stack+0x2a/0x40 [ 69.783970] [ 69.786188] __local_bh_enable_ip+0x114/0x140 [ 69.790669] local_bh_enable+0x36/0x40 [ 69.794543] ip_finish_output2+0x124e/0x1380 [ 69.798932] ip_finish_output+0xcb0/0xff0 [ 69.803064] ip_output+0x502/0x5c0 [ 69.806582] ? ip_mc_finish_output+0x3b0/0x3b0 [ 69.811142] ? ip_finish_output+0xff0/0xff0 [ 69.815441] ip_send_skb+0x5f3/0x820 [ 69.819139] ? __ip_local_out+0x5b0/0x5b0 [ 69.823276] ip_push_pending_frames+0x105/0x170 [ 69.827933] raw_sendmsg+0x2960/0x3ed0 [ 69.831808] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 69.837177] ? compat_raw_ioctl+0x100/0x100 [ 69.841484] inet_sendmsg+0x48d/0x740 [ 69.845263] ? security_socket_sendmsg+0x9e/0x210 [ 69.850082] ? inet_getname+0x500/0x500 [ 69.854045] ___sys_sendmsg+0xec0/0x1310 [ 69.858089] ? __fdget+0x4e/0x60 [ 69.861447] SYSC_sendmsg+0x2a3/0x3d0 [ 69.865230] SyS_sendmsg+0x54/0x80 [ 69.868757] do_syscall_64+0x309/0x430 [ 69.872628] ? ___sys_sendmsg+0x1310/0x1310 [ 69.876929] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.882100] RIP: 0033:0x455389 [ 69.885270] RSP: 002b:00007f734b56cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.892953] RAX: ffffffffffffffda RBX: 00007f734b56d6d4 RCX: 0000000000455389 [ 69.900212] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000013 [ 69.907471] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.914729] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 69.921975] R13: 00000000000004d5 R14: 00000000006fa498 R15: 0000000000000000 [ 69.929221] [ 69.930821] Uninit was stored to memory at: [ 69.935126] kmsan_internal_chain_origin+0x12b/0x210 [ 69.940211] kmsan_memcpy_origins+0x11d/0x170 [ 69.944694] __msan_memcpy+0x19f/0x1f0 [ 69.948558] skb_copy_bits+0x63a/0xdb0 [ 69.952429] __pskb_pull_tail+0x483/0x22e0 [ 69.956645] dccp_invalid_packet+0x352/0xf50 [ 69.961036] dccp_v4_rcv+0xf7/0x2630 [ 69.964742] ip_local_deliver_finish+0x6ed/0xd40 [ 69.969475] ip_local_deliver+0x43c/0x4e0 [ 69.973599] ip_rcv_finish+0x1253/0x16d0 [ 69.977642] ip_rcv+0x119d/0x16f0 [ 69.981087] __netif_receive_skb_core+0x47cf/0x4a80 [ 69.986091] process_backlog+0x62d/0xe20 [ 69.990137] net_rx_action+0x7c1/0x1a70 [ 69.994099] __do_softirq+0x56d/0x93d [ 69.997871] Uninit was created at: [ 70.001394] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 70.006400] kmsan_alloc_page+0x82/0xe0 [ 70.010352] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 70.015089] alloc_pages_current+0x6b5/0x970 [ 70.019477] skb_page_frag_refill+0x3ba/0x5e0 [ 70.023949] sk_page_frag_refill+0xa4/0x340 [ 70.028255] __ip_append_data+0x107e/0x3d10 [ 70.032563] ip_append_data+0x2fb/0x440 [ 70.036513] raw_sendmsg+0x287b/0x3ed0 [ 70.040385] inet_sendmsg+0x48d/0x740 [ 70.044174] ___sys_sendmsg+0xec0/0x1310 [ 70.048213] SYSC_sendmsg+0x2a3/0x3d0 [ 70.051992] SyS_sendmsg+0x54/0x80 [ 70.055516] do_syscall_64+0x309/0x430 [ 70.059383] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.064544] ================================================================== [ 70.072300] Disabling lock debugging due to kernel taint [ 70.077738] Kernel panic - not syncing: panic_on_warn set ... [ 70.077738] [ 70.085091] CPU: 0 PID: 5750 Comm: syz-executor7 Tainted: G B 4.16.0+ #84 [ 70.093212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.102551] Call Trace: [ 70.105112] [ 70.107246] dump_stack+0x185/0x1d0 [ 70.110864] panic+0x39d/0x940 [ 70.114059] ? dccp_invalid_packet+0x3b8/0xf50 [ 70.118623] kmsan_report+0x238/0x240 [ 70.122401] __msan_warning_32+0x6c/0xb0 [ 70.126448] dccp_invalid_packet+0x3b8/0xf50 [ 70.130850] ? ip_local_deliver_finish+0x6ed/0xd40 [ 70.135765] ? ip_local_deliver_finish+0x6ed/0xd40 [ 70.140675] dccp_v4_rcv+0xf7/0x2630 [ 70.144367] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 70.149711] ? raw_local_deliver+0x1462/0x1470 [ 70.154285] ? ip_local_deliver_finish+0x4a5/0xd40 [ 70.159190] ? local_bh_enable+0x40/0x40 [ 70.163228] ? local_bh_enable+0x40/0x40 [ 70.167268] ip_local_deliver_finish+0x6ed/0xd40 [ 70.172009] ip_local_deliver+0x43c/0x4e0 [ 70.176144] ? ip_local_deliver+0x4e0/0x4e0 [ 70.180444] ? ip_call_ra_chain+0x7b0/0x7b0 [ 70.184742] ip_rcv_finish+0x1253/0x16d0 [ 70.188795] ip_rcv+0x119d/0x16f0 [ 70.192241] ? ip_rcv+0x16f0/0x16f0 [ 70.195863] __netif_receive_skb_core+0x47cf/0x4a80 [ 70.200857] ? rb_insert_color+0xa4/0x1300 [ 70.205069] ? kmsan_internal_memset_shadow_inline+0xc0/0xd0 [ 70.210845] ? ip_local_deliver_finish+0xd40/0xd40 [ 70.215751] process_backlog+0x62d/0xe20 [ 70.219803] ? rps_trigger_softirq+0x2f0/0x2f0 [ 70.224359] net_rx_action+0x7c1/0x1a70 [ 70.228312] ? net_tx_action+0xab0/0xab0 [ 70.232353] __do_softirq+0x56d/0x93d [ 70.236143] ? do_syscall_64+0xec/0x430 [ 70.240103] do_softirq_own_stack+0x2a/0x40 [ 70.244396] [ 70.246612] __local_bh_enable_ip+0x114/0x140 [ 70.251084] local_bh_enable+0x36/0x40 [ 70.254956] ip_finish_output2+0x124e/0x1380 [ 70.259352] ip_finish_output+0xcb0/0xff0 [ 70.263489] ip_output+0x502/0x5c0 [ 70.267023] ? ip_mc_finish_output+0x3b0/0x3b0 [ 70.271592] ? ip_finish_output+0xff0/0xff0 [ 70.276151] ip_send_skb+0x5f3/0x820 [ 70.279850] ? __ip_local_out+0x5b0/0x5b0 [ 70.283988] ip_push_pending_frames+0x105/0x170 [ 70.288650] raw_sendmsg+0x2960/0x3ed0 [ 70.292527] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 70.297898] ? compat_raw_ioctl+0x100/0x100 [ 70.302208] inet_sendmsg+0x48d/0x740 [ 70.305988] ? security_socket_sendmsg+0x9e/0x210 [ 70.310811] ? inet_getname+0x500/0x500 [ 70.314765] ___sys_sendmsg+0xec0/0x1310 [ 70.318815] ? __fdget+0x4e/0x60 [ 70.322168] SYSC_sendmsg+0x2a3/0x3d0 [ 70.325960] SyS_sendmsg+0x54/0x80 [ 70.329490] do_syscall_64+0x309/0x430 [ 70.333359] ? ___sys_sendmsg+0x1310/0x1310 [ 70.337661] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.342826] RIP: 0033:0x455389 [ 70.346000] RSP: 002b:00007f734b56cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.353694] RAX: ffffffffffffffda RBX: 00007f734b56d6d4 RCX: 0000000000455389 [ 70.360942] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000013 [ 70.368191] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 70.375438] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 70.382692] R13: 00000000000004d5 R14: 00000000006fa498 R15: 0000000000000000 [ 70.390420] Dumping ftrace buffer: [ 70.393940] (ftrace buffer empty) [ 70.397624] Kernel Offset: disabled [ 70.401222] Rebooting in 86400 seconds..