INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. 2018/04/19 15:04:00 fuzzer started 2018/04/19 15:04:00 dialing manager at 10.128.0.26:37327 2018/04/19 15:04:06 kcov=true, comps=false 2018/04/19 15:04:09 executing program 0: sendmsg$unix(0xffffffffffffffff, &(0x7f0000000000)={&(0x7f0000564000)=@abs, 0x6e, &(0x7f0000451ff0)=[{&(0x7f0000007000)="002a932f01000000cf960802e02348f800000000001c0003f2a576", 0x1b}], 0x1, &(0x7f00001f9fe0)}, 0x0) r0 = syz_open_dev$sg(&(0x7f00000c5ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GET_MAP(0xffffffffffffffff, 0xc0286404, &(0x7f0000000040)={&(0x7f0000ffc000/0x4000)=nil, 0x0, 0x0, 0x0, &(0x7f0000ff6000/0xa000)=nil}) ioctl$EVIOCSABS0(0xffffffffffffffff, 0x401845c0, &(0x7f0000007000)={0x0, 0x0, 0x80da14, 0x8001, 0x20000000}) ioctl(r0, 0x2285, &(0x7f0000007000)='S') 2018/04/19 15:04:09 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000a00)='./cgroup.net\x00', 0x200002, 0x0) r1 = creat(&(0x7f0000000040)='./file1\x00', 0x0) r2 = dup3(r1, r0, 0x0) nanosleep(&(0x7f0000000000)={0x77359400}, &(0x7f0000000180)) write$cgroup_subtree(r2, &(0x7f00000002c0)=ANY=[], 0xa871f499) fsync(r0) 2018/04/19 15:04:09 executing program 7: pipe(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) writev(r3, &(0x7f000000b000)=[{&(0x7f0000066000)=',', 0x1}], 0x1) tee(r2, r1, 0x20005, 0x0) read(r0, &(0x7f0000000080)=""/218, 0xda) 2018/04/19 15:04:09 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'crc32\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) write$binfmt_aout(r1, &(0x7f0000000240), 0x20) r2 = open(&(0x7f00000000c0)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x40007) sendfile(r1, r2, &(0x7f0000000200)=0xff0f, 0x400) 2018/04/19 15:04:09 executing program 4: setsockopt$inet6_group_source_req(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000001000)={0x0, {{0xa}}, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, 0x108) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='cmdline\x00') preadv(r0, &(0x7f0000000100), 0x2d9, 0x0) 2018/04/19 15:04:09 executing program 5: r0 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@loopback={0x0, 0x1}, 0x0, 0x0, 0xff, 0x1, 0x100}, 0x20) 2018/04/19 15:04:09 executing program 6: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r0, 0x0, 0xffff, 0x400) r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000006000/0x3000)=nil, 0x3000, 0x7, 0x11, r1, 0x0) madvise(&(0x7f0000007000/0x2000)=nil, 0x2000, 0x9) 2018/04/19 15:04:09 executing program 3: r0 = memfd_create(&(0x7f0000000100)='\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000027ff3)='/dev/snd/seq\x00', 0x0, 0x20005) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000140), &(0x7f0000000180)=0x10) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000037000)={0x0, 0x0, 0x0, "9ede7a8c5ae95e48000000000000007f4f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa0500000074dbcfa6dc4d"}) write$sndseq(r2, &(0x7f0000000080), 0xffffffffffffffb7) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000033000)={0x6, @tick, 0x0, {0xffffffffffffffff}}) syzkaller login: [ 43.922093] ip (3772) used greatest stack depth: 54688 bytes left [ 44.158815] ip (3793) used greatest stack depth: 54672 bytes left [ 44.391115] ip (3815) used greatest stack depth: 54072 bytes left [ 45.524786] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.531259] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.565484] device bridge_slave_0 entered promiscuous mode [ 45.731981] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.738510] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.773971] device bridge_slave_0 entered promiscuous mode [ 45.784681] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.791131] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.815129] device bridge_slave_0 entered promiscuous mode [ 45.832742] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.839208] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.855777] device bridge_slave_1 entered promiscuous mode [ 45.863086] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.869533] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.893358] device bridge_slave_0 entered promiscuous mode [ 45.907139] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.913586] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.928577] device bridge_slave_0 entered promiscuous mode [ 45.938534] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.945014] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.957077] device bridge_slave_0 entered promiscuous mode [ 45.970423] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.979420] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.985864] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.015552] device bridge_slave_0 entered promiscuous mode [ 46.029806] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.036273] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.059423] device bridge_slave_0 entered promiscuous mode [ 46.072905] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.079385] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.090684] device bridge_slave_1 entered promiscuous mode [ 46.101147] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.107606] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.136601] device bridge_slave_1 entered promiscuous mode [ 46.156343] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.162789] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.187208] device bridge_slave_1 entered promiscuous mode [ 46.193773] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.200207] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.213837] device bridge_slave_1 entered promiscuous mode [ 46.220342] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.226790] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.234551] device bridge_slave_1 entered promiscuous mode [ 46.241312] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.247728] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.271114] device bridge_slave_1 entered promiscuous mode [ 46.288168] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.297602] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.310087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.318371] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.324813] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.376217] device bridge_slave_1 entered promiscuous mode [ 46.399732] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.410594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.435597] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.464876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.499405] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.509476] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.596823] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.609615] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.627887] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.641635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.706216] ip (4000) used greatest stack depth: 53960 bytes left [ 46.757235] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.832157] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.256132] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.425110] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.467297] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.485168] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.562976] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.614452] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.635876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.696608] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.739479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.750975] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.762340] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.772776] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.851657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.939525] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.970365] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.005867] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.451253] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.608653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.662500] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.682430] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.728525] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.818972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.827816] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.900663] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.912865] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.935332] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.943962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.955709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.000348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.010677] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.025461] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.032941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.050770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.086491] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.093828] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.111932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.120633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.140774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.188307] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.198355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.210671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.236350] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.244906] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.252732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.276920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.302317] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.318253] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.325980] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.333150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.345153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.366259] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.373851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.397349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.419795] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.427071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.446699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.493903] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.501076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.512482] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.550690] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.559474] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.566569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.596698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.611595] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.625748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.642919] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.655794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.663296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.691985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.729263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.754648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.780385] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.792380] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.819724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.841697] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.848772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.859009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.896407] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.903567] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.921650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.701456] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.707955] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.714831] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.721281] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.749123] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.758765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.791837] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.798285] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.805159] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.811601] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.844839] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.854503] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.860958] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.867739] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.874171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.882783] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.895835] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.902301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.909178] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.915623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.955431] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.976423] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.982863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.989677] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.996133] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.038660] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.245387] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.251880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.258696] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.265138] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.305182] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.313764] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.320213] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.327082] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.333562] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.366102] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.393248] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.399703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.406548] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.413002] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.466961] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.767143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.781996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.816642] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.833614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.842710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.850848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.859233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.959102] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.173512] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.214574] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.325101] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.404218] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.534072] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.639982] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.755402] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.761976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.777600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.885068] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.891325] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.908962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.946922] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.985385] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.991657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.007563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.057605] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.064588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.081829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.295094] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.301366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.315787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.428977] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.436837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.446870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.476327] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.482763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.516492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.758797] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.765397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.779591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/19 15:04:35 executing program 7: r0 = socket$nl_generic(0x2, 0x2, 0x88) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x88, 0xa, &(0x7f0000000040), 0x4) [ 68.085907] ================================================================== [ 68.093308] BUG: KMSAN: uninit-value in crc32_le+0xac0/0xcd0 [ 68.099110] CPU: 0 PID: 5761 Comm: syz-executor2 Not tainted 4.16.0+ #84 [ 68.105947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.115294] Call Trace: [ 68.117885] dump_stack+0x185/0x1d0 [ 68.121516] ? crc32_le+0xac0/0xcd0 [ 68.125135] kmsan_report+0x142/0x240 [ 68.128934] __msan_warning_32+0x6c/0xb0 [ 68.132997] crc32_le+0xac0/0xcd0 [ 68.136452] ? kzfree+0x83/0xa0 [ 68.139731] ? kfree+0xcb/0x29e0 [ 68.143107] crc32_pclmul_le+0x156/0x340 [ 68.147173] crc32_pclmul_update+0xb6/0x120 [ 68.151497] ? crc32_pclmul_init+0xe0/0xe0 [ 68.155721] shash_async_update+0x290/0x360 [ 68.160030] ? shash_async_init+0x270/0x270 [ 68.164337] hash_sendpage+0x904/0xe10 [ 68.168208] ? hash_recvmsg+0xd50/0xd50 [ 68.172162] sock_sendpage+0x1de/0x2c0 [ 68.176045] pipe_to_sendpage+0x31b/0x430 [ 68.180183] ? sock_fasync+0x2b0/0x2b0 [ 68.184064] ? propagate_umount+0x3a30/0x3a30 [ 68.188542] __splice_from_pipe+0x49a/0xf30 [ 68.192846] ? generic_splice_sendpage+0x2a0/0x2a0 [ 68.197767] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.203115] generic_splice_sendpage+0x1c6/0x2a0 [ 68.207869] ? iter_file_splice_write+0x1710/0x1710 [ 68.212878] ? iter_file_splice_write+0x1710/0x1710 [ 68.217891] direct_splice_actor+0x19b/0x200 [ 68.222295] splice_direct_to_actor+0x764/0x1040 [ 68.227041] ? do_splice_direct+0x540/0x540 [ 68.231355] ? security_file_permission+0x28f/0x4b0 [ 68.236365] ? rw_verify_area+0x35e/0x580 [ 68.240506] do_splice_direct+0x335/0x540 [ 68.244638] do_sendfile+0x1067/0x1e40 [ 68.248512] SYSC_sendfile64+0x1b3/0x300 [ 68.252554] SyS_sendfile64+0x64/0x90 [ 68.256331] do_syscall_64+0x309/0x430 [ 68.260198] ? SYSC_sendfile+0x320/0x320 [ 68.264241] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.269415] RIP: 0033:0x455329 [ 68.272581] RSP: 002b:00007f8b4e207c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.280267] RAX: ffffffffffffffda RBX: 00007f8b4e2086d4 RCX: 0000000000455329 [ 68.287513] RDX: 0000000020000200 RSI: 0000000000000015 RDI: 0000000000000014 [ 68.294760] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.302007] R10: 0000000000000400 R11: 0000000000000246 R12: 00000000ffffffff [ 68.309260] R13: 00000000000004cf R14: 00000000006fa408 R15: 0000000000000000 [ 68.316509] [ 68.318113] Uninit was created at: [ 68.321640] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 68.326632] kmsan_alloc_page+0x82/0xe0 [ 68.330584] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 68.335317] alloc_pages_vma+0xcc8/0x1800 [ 68.339443] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 68.344434] shmem_getpage_gfp+0x35db/0x5770 [ 68.348825] shmem_fallocate+0xde2/0x1610 [ 68.352948] vfs_fallocate+0x9dc/0xde0 [ 68.356814] SYSC_fallocate+0x119/0x1d0 [ 68.360766] SyS_fallocate+0x64/0x90 [ 68.364465] do_syscall_64+0x309/0x430 [ 68.368341] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.373503] ================================================================== [ 68.380832] Disabling lock debugging due to kernel taint [ 68.386254] Kernel panic - not syncing: panic_on_warn set ... [ 68.386254] [ 68.393595] CPU: 0 PID: 5761 Comm: syz-executor2 Tainted: G B 4.16.0+ #84 [ 68.401708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.411039] Call Trace: [ 68.413615] dump_stack+0x185/0x1d0 [ 68.417222] panic+0x39d/0x940 [ 68.420418] ? crc32_le+0xac0/0xcd0 [ 68.424033] kmsan_report+0x238/0x240 [ 68.427816] __msan_warning_32+0x6c/0xb0 [ 68.431855] crc32_le+0xac0/0xcd0 [ 68.435302] ? kzfree+0x83/0xa0 [ 68.438572] ? kfree+0xcb/0x29e0 [ 68.441926] crc32_pclmul_le+0x156/0x340 [ 68.445978] crc32_pclmul_update+0xb6/0x120 [ 68.450287] ? crc32_pclmul_init+0xe0/0xe0 [ 68.454498] shash_async_update+0x290/0x360 [ 68.458809] ? shash_async_init+0x270/0x270 [ 68.463111] hash_sendpage+0x904/0xe10 [ 68.466981] ? hash_recvmsg+0xd50/0xd50 [ 68.470943] sock_sendpage+0x1de/0x2c0 [ 68.474816] pipe_to_sendpage+0x31b/0x430 [ 68.478943] ? sock_fasync+0x2b0/0x2b0 [ 68.482814] ? propagate_umount+0x3a30/0x3a30 [ 68.487290] __splice_from_pipe+0x49a/0xf30 [ 68.491592] ? generic_splice_sendpage+0x2a0/0x2a0 [ 68.496506] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.501850] generic_splice_sendpage+0x1c6/0x2a0 [ 68.506600] ? iter_file_splice_write+0x1710/0x1710 [ 68.511604] ? iter_file_splice_write+0x1710/0x1710 [ 68.516609] direct_splice_actor+0x19b/0x200 [ 68.521023] splice_direct_to_actor+0x764/0x1040 [ 68.525773] ? do_splice_direct+0x540/0x540 [ 68.530077] ? security_file_permission+0x28f/0x4b0 [ 68.535077] ? rw_verify_area+0x35e/0x580 [ 68.539219] do_splice_direct+0x335/0x540 [ 68.543371] do_sendfile+0x1067/0x1e40 [ 68.547242] SYSC_sendfile64+0x1b3/0x300 [ 68.551289] SyS_sendfile64+0x64/0x90 [ 68.555069] do_syscall_64+0x309/0x430 [ 68.558937] ? SYSC_sendfile+0x320/0x320 [ 68.562976] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.568140] RIP: 0033:0x455329 [ 68.571306] RSP: 002b:00007f8b4e207c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.578990] RAX: ffffffffffffffda RBX: 00007f8b4e2086d4 RCX: 0000000000455329 [ 68.586243] RDX: 0000000020000200 RSI: 0000000000000015 RDI: 0000000000000014 [ 68.593490] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.600738] R10: 0000000000000400 R11: 0000000000000246 R12: 00000000ffffffff [ 68.607984] R13: 00000000000004cf R14: 00000000006fa408 R15: 0000000000000000 [ 68.615640] Dumping ftrace buffer: [ 68.619160] (ftrace buffer empty) [ 68.622857] Kernel Offset: disabled [ 68.626478] Rebooting in 86400 seconds..