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 '10.128.10.4' (ECDSA) to the list of known hosts. 2018/04/27 21:04:43 fuzzer started 2018/04/27 21:04:43 dialing manager at 10.128.0.26:34871 syzkaller login: [ 49.350155] can: request_module (can-proto-0) failed. [ 49.360950] can: request_module (can-proto-0) failed. 2018/04/27 21:04:51 kcov=true, comps=false 2018/04/27 21:04:54 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b97000)={0x1, &(0x7f000048fff0)=[{0x6}]}, 0x10) getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f0000baf000)=""/1, &(0x7f0000561ffc)=0xcc) 2018/04/27 21:04:54 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) r1 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000019fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) close(r1) r2 = memfd_create(&(0x7f0000000080)='/dev/urandom\x00', 0x0) pwritev(r2, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fcntl$addseals(r1, 0x409, 0x0) write$binfmt_script(r2, &(0x7f00000000c0)=ANY=[], 0x0) close(r0) 2018/04/27 21:04:54 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x142) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl(r0, 0x4000000000001277, &(0x7f0000000000)) 2018/04/27 21:04:54 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000b3dfc8)={&(0x7f0000d49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x27, 0x109, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) 2018/04/27 21:04:54 executing program 3: syz_emit_ethernet(0x3e, &(0x7f0000660000)={@link_local={0x1, 0x80, 0xc2}, @random="e2701bb60689", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, @rand_addr, @broadcast=0xffffffff}, @icmp=@parameter_prob={0x21, 0x0, 0x0, 0x0, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}}}}}}, &(0x7f0000000000)) 2018/04/27 21:04:54 executing program 5: 2018/04/27 21:04:54 executing program 4: 2018/04/27 21:04:54 executing program 6: [ 54.094511] IPVS: ftp: loaded support on port[0] = 21 [ 54.208895] IPVS: ftp: loaded support on port[0] = 21 [ 54.253462] IPVS: ftp: loaded support on port[0] = 21 [ 54.331486] IPVS: ftp: loaded support on port[0] = 21 [ 54.457797] IPVS: ftp: loaded support on port[0] = 21 [ 54.551309] IPVS: ftp: loaded support on port[0] = 21 [ 54.702281] IPVS: ftp: loaded support on port[0] = 21 [ 54.878738] IPVS: ftp: loaded support on port[0] = 21 [ 55.766773] ip (4640) used greatest stack depth: 53976 bytes left [ 57.111582] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.118112] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.164376] device bridge_slave_0 entered promiscuous mode [ 57.231403] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.237948] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.256145] device bridge_slave_0 entered promiscuous mode [ 57.363990] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.370559] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.395785] device bridge_slave_1 entered promiscuous mode [ 57.491977] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.498467] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.516125] device bridge_slave_1 entered promiscuous mode [ 57.544797] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.551253] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.579512] device bridge_slave_0 entered promiscuous mode [ 57.637383] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.646182] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.652729] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.684504] device bridge_slave_0 entered promiscuous mode [ 57.725624] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.770165] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.776683] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.811144] device bridge_slave_1 entered promiscuous mode [ 57.871506] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.879345] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.885836] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.921392] device bridge_slave_1 entered promiscuous mode [ 57.952702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.967186] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.973706] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.005106] device bridge_slave_0 entered promiscuous mode [ 58.025791] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.032232] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.044673] device bridge_slave_0 entered promiscuous mode [ 58.076579] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.124379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.240668] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.247169] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.271174] device bridge_slave_1 entered promiscuous mode [ 58.279880] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.300851] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.307301] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.347054] device bridge_slave_0 entered promiscuous mode [ 58.363408] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.369853] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.387800] device bridge_slave_1 entered promiscuous mode [ 58.405719] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.428075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.445349] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.451799] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.483847] device bridge_slave_0 entered promiscuous mode [ 58.542698] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.549177] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.594822] device bridge_slave_1 entered promiscuous mode [ 58.606268] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.645235] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.671895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.685451] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.718568] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.725161] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.775868] device bridge_slave_1 entered promiscuous mode [ 58.803485] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.821189] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.838844] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.866778] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.937636] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.966489] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.039892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.049735] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.092705] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.120968] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.127893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.155921] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.242451] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.249451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.284852] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.291814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.336169] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.343150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.374335] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.399996] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.472682] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.479643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.511559] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.640516] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.657700] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.664665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.722549] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.745659] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.839986] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.888374] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.896501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.932371] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.939363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.969190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.978793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.007719] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.023977] team0: Port device team_slave_0 added [ 60.045777] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.056608] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.068527] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.105235] team0: Port device team_slave_0 added [ 60.137685] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.161988] team0: Port device team_slave_0 added [ 60.205613] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.212580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.234605] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.244837] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.252734] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.261426] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.291455] team0: Port device team_slave_1 added [ 60.304584] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.325104] team0: Port device team_slave_1 added [ 60.351627] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.376727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.416877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.445870] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.453269] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.460233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.481957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.504130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.518737] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.528005] team0: Port device team_slave_1 added [ 60.541433] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.560434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.571563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.593064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.599997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.647522] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 60.661465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.680889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.754177] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 60.761222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.773314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.809688] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.824629] team0: Port device team_slave_0 added [ 60.860639] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.868939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.887735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.933499] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 60.941063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.956597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.006569] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.014080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.026147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.057709] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.077980] team0: Port device team_slave_1 added [ 61.089781] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.100363] team0: Port device team_slave_0 added [ 61.112475] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.137071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.151942] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.177596] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.192990] team0: Port device team_slave_0 added [ 61.222269] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.241344] team0: Port device team_slave_0 added [ 61.258635] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.267819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.286552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.314792] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.330943] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.346827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.375377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.389746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.405707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.415465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.422949] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.430881] team0: Port device team_slave_0 added [ 61.437566] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.452339] team0: Port device team_slave_1 added [ 61.467879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.486297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.509932] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.537981] team0: Port device team_slave_1 added [ 61.556509] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.572737] team0: Port device team_slave_1 added [ 61.587601] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.595569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.619133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.650381] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.665179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.688843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.704764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.713577] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.730005] team0: Port device team_slave_1 added [ 61.745579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.761196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.791356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.801128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.815409] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.852007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.860193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.872788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.931349] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.938333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.953178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.989387] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.010101] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.021620] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.033294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.061527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.099192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.129916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.139986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.149766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.167953] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.184427] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.191337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.200540] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.209507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.221594] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.252531] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.261758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.293660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.318425] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.328115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.343771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.352487] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.373221] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.387416] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.397499] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.442852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.479240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.510121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.532359] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.543228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.574747] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.584003] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.591699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.603838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.623008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.640411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.664945] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.678388] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.694238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.726568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.766535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.792572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.856950] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.863446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.870359] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.876804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.907464] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.914007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.213401] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.219871] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.226739] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.233189] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.301420] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.361539] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.368077] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.374921] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.381389] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.479759] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.794293] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.800783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.807657] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.814135] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.859631] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.882419] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.888907] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.895780] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.902234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.945878] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.959834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.982797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.003098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.016886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.051544] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.058010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.064902] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.071355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.085102] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.097086] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.103531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.110398] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.116848] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.124770] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.187151] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.193652] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.200530] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.206991] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.289793] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 66.016408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.030918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.057119] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.884412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.027653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.437325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.562712] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.601425] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.726718] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.768258] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.961097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.992119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.034877] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.246234] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.318907] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.325199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.337137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.374292] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.586493] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.648469] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.654771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.666295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.754164] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.770321] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.905274] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.041844] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.048281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.062822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.123669] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.214840] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.221276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.235109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.398545] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.404898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.414528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.543137] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.549405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.561183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.583120] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.617862] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.624277] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.647360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.861986] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.868259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.882322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.919600] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.205539] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.223696] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.387505] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.489291] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.703206] 8021q: adding VLAN 0 to HW filter on device team0 2018/04/27 21:05:21 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000b3dfc8)={&(0x7f0000d49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x27, 0x109, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) 2018/04/27 21:05:21 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000b3dfc8)={&(0x7f0000d49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x27, 0x109, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) 2018/04/27 21:05:22 executing program 0: clone(0x200, &(0x7f0000000040), &(0x7f0000744000), &(0x7f0000000100), &(0x7f00000000c0)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='numa_maps\x00') execve(&(0x7f0000000180)='./file0\x00', &(0x7f00000003c0), &(0x7f0000000240)) r0 = syz_open_procfs(0x0, &(0x7f000042cff4)='io\x00') pread64(r0, &(0x7f0000000000), 0x1f1, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) open$dir(&(0x7f0000000080)='./file0\x00', 0x27e, 0x0) 2018/04/27 21:05:22 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000b3dfc8)={&(0x7f0000d49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x27, 0x109, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) 2018/04/27 21:05:22 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) r1 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000019fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) close(r1) r2 = memfd_create(&(0x7f0000000080)='/dev/urandom\x00', 0x0) pwritev(r2, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fcntl$addseals(r1, 0x409, 0x0) write$binfmt_script(r2, &(0x7f00000000c0)=ANY=[], 0x0) close(r0) 2018/04/27 21:05:22 executing program 7: 2018/04/27 21:05:22 executing program 4: 2018/04/27 21:05:22 executing program 6: 2018/04/27 21:05:22 executing program 5: 2018/04/27 21:05:22 executing program 3: 2018/04/27 21:05:23 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'cbcmac(cipher_null)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000), 0x0) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000001980)={&(0x7f00000001c0)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x80, &(0x7f0000001880), 0x0, &(0x7f0000001940)=""/21, 0x15}, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x7ff, 0x40000) ioctl$SNDRV_TIMER_IOCTL_TREAD(r2, 0x40045402, &(0x7f0000000040)=0x1) 2018/04/27 21:05:23 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x142) ioctl(r0, 0x4000000000001277, &(0x7f0000000000)) 2018/04/27 21:05:23 executing program 4: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000400)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000140)={'ifb0\x00', 0x6}) ioctl$TUNSETLINK(r1, 0x400454cd, 0x30a) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000040)={'ifb0\x00', 0xa201}) 2018/04/27 21:05:23 executing program 7: syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYBLOB="cd390b081bf2aaaaaaaa000086dd6008de2800383a00000000000000000000000500000000000000000000000000000000cd20314670755f9eee3c95f08b1e00000000010200907800000000609433df0000110000000000000000000000000000000001000000000001fca967e1"], 0x0) 2018/04/27 21:05:23 executing program 5: r0 = socket(0x1e, 0x1, 0x0) setsockopt(r0, 0x10f, 0x87, &(0x7f0000a94000), 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000000)={0x0, 0x9, 0x10, 0x2, 0x100000001}, &(0x7f0000000040)=0x18) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000100)={r0, 0x6}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000080)={r1, 0x8000, 0x7, 0xff, 0x1, 0x1}, &(0x7f00000000c0)=0x14) 2018/04/27 21:05:23 executing program 1: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000b3dfc8)={&(0x7f0000d49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x27, 0x109, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) 2018/04/27 21:05:23 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) r1 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000019fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) close(r1) r2 = memfd_create(&(0x7f0000000080)='/dev/urandom\x00', 0x0) pwritev(r2, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fcntl$addseals(r1, 0x409, 0x0) write$binfmt_script(r2, &(0x7f00000000c0)=ANY=[], 0x0) close(r0) 2018/04/27 21:05:23 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = accept(0xffffffffffffff9c, &(0x7f0000000000)=@in6={0x0, 0x0, 0x0, @dev}, &(0x7f0000000100)=0x80) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f0000000140)=0x13, 0x4) write$rdma_cm(r0, &(0x7f00000000c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffff}, 0x2}}, 0x20) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer\x00', 0x80, 0x0) write$rdma_cm(r0, &(0x7f0000000180)=@disconnect={0xa, 0x4, 0xfa00, {r2}}, 0xc) r3 = syz_open_dev$sndmidi(&(0x7f00000001c0)='/dev/snd/midiC#D#\x00', 0x1, 0x600000) faccessat(r3, &(0x7f0000000280)='./file0\x00', 0x20, 0x600) [ 82.729980] ================================================================== [ 82.737399] BUG: KMSAN: uninit-value in memcmp+0x119/0x180 [ 82.743021] CPU: 1 PID: 2061 Comm: kworker/1:2 Not tainted 4.16.0+ #87 [ 82.749674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.759030] Workqueue: ipv6_addrconf addrconf_dad_work [ 82.764297] Call Trace: [ 82.766896] dump_stack+0x185/0x1d0 [ 82.770517] ? memcmp+0x119/0x180 [ 82.773965] kmsan_report+0x142/0x240 [ 82.777770] __msan_warning_32+0x6c/0xb0 [ 82.781825] memcmp+0x119/0x180 [ 82.785104] __dev_mc_add+0x1c2/0x8e0 [ 82.788909] ? ndisc_mc_map+0x59f/0x8c0 [ 82.792881] dev_mc_add+0x6d/0x80 [ 82.796337] igmp6_group_added+0x2db/0xa00 [ 82.800578] ipv6_dev_mc_inc+0xe9e/0x1130 [ 82.804734] addrconf_dad_work+0x462/0x2a20 [ 82.809061] ? ipv6_get_saddr_eval+0x1450/0x1450 [ 82.813815] process_one_work+0x12c6/0x1f60 [ 82.818146] worker_thread+0x113c/0x24f0 [ 82.822219] ? process_one_work+0x1f60/0x1f60 [ 82.826720] kthread+0x539/0x720 [ 82.830087] ? process_one_work+0x1f60/0x1f60 [ 82.834585] ? kthread_blkcg+0xf0/0xf0 [ 82.838477] ret_from_fork+0x35/0x40 [ 82.842184] [ 82.843807] Local variable description: ----buf@igmp6_group_added [ 82.850027] Variable was created at: [ 82.853736] igmp6_group_added+0x4a/0xa00 [ 82.857881] ipv6_dev_mc_inc+0xe9e/0x1130 [ 82.862014] ================================================================== [ 82.869364] Disabling lock debugging due to kernel taint [ 82.874812] Kernel panic - not syncing: panic_on_warn set ... [ 82.874812] [ 82.882174] CPU: 1 PID: 2061 Comm: kworker/1:2 Tainted: G B 4.16.0+ #87 [ 82.890128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.899488] Workqueue: ipv6_addrconf addrconf_dad_work [ 82.904755] Call Trace: [ 82.907354] dump_stack+0x185/0x1d0 [ 82.910986] panic+0x39d/0x940 [ 82.914197] ? memcmp+0x119/0x180 [ 82.917651] kmsan_report+0x238/0x240 [ 82.921457] __msan_warning_32+0x6c/0xb0 [ 82.925517] memcmp+0x119/0x180 2018/04/27 21:05:23 executing program 3: sendmsg$unix(0xffffffffffffffff, &(0x7f0000833000)={&(0x7f0000564000)=@abs, 0x6e, &(0x7f00007e0000)=[{&(0x7f0000007000)="fd20932fcc7cfaafcf960802e02348f8fba600069da7a78a04", 0x19}], 0x1, &(0x7f0000334f28)}, 0x0) socketpair$inet(0x2, 0x0, 0x5, &(0x7f0000000040)) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) ioctl$EVIOCSABS0(0xffffffffffffffff, 0x401845c0, &(0x7f0000007000)={0x0, 0x0, 0x10001}) ioctl(r0, 0x2285, &(0x7f0000007000)='S') 2018/04/27 21:05:23 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='memory.events\x00', 0x0, 0x0) ioctl$TCFLSH(r0, 0x540b, 0x1) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f0000000040)={'mangle\x00', 0x4, [{}, {}, {}, {}]}, 0x68) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000580)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c000000180021030000000000000000020000000002bca038ff0500"], 0x1c}, 0x1}, 0x0) [ 82.928801] __dev_mc_add+0x1c2/0x8e0 [ 82.932605] ? ndisc_mc_map+0x59f/0x8c0 [ 82.936576] dev_mc_add+0x6d/0x80 [ 82.940026] igmp6_group_added+0x2db/0xa00 [ 82.944263] ipv6_dev_mc_inc+0xe9e/0x1130 [ 82.948416] addrconf_dad_work+0x462/0x2a20 [ 82.952743] ? ipv6_get_saddr_eval+0x1450/0x1450 [ 82.957502] process_one_work+0x12c6/0x1f60 [ 82.961829] worker_thread+0x113c/0x24f0 [ 82.965895] ? process_one_work+0x1f60/0x1f60 [ 82.970388] kthread+0x539/0x720 [ 82.973759] ? process_one_work+0x1f60/0x1f60 2018/04/27 21:05:23 executing program 3: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer2\x00', 0x0, 0x0) socketpair(0x8, 0x800, 0x2c6e, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = accept$packet(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000100)=0x14) ioctl$sock_ifreq(r0, 0x8920, &(0x7f0000000180)={'veth1_to_bridge\x00', @ifru_ivalue=0x4}) r3 = syz_open_dev$tun(&(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x2000) ioctl$int_in(r3, 0x5452, &(0x7f0000000000)) sync_file_range(r2, 0x1ff, 0x4, 0x4) [ 82.978254] ? kthread_blkcg+0xf0/0xf0 [ 82.982137] ret_from_fork+0x35/0x40 [ 82.985882] Dumping ftrace buffer: [ 82.989401] (ftrace buffer empty) [ 82.993088] Kernel Offset: disabled [ 82.996690] Rebooting in 86400 seconds..