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 '10.128.10.8' (ECDSA) to the list of known hosts. syzkaller login: [ 29.487292] IPVS: ftp: loaded support on port[0] = 21 [ 29.492481] IPVS: ftp: loaded support on port[0] = 21 [ 29.502080] IPVS: ftp: loaded support on port[0] = 21 [ 29.508871] IPVS: ftp: loaded support on port[0] = 21 [ 29.510295] IPVS: ftp: loaded support on port[0] = 21 [ 29.515673] IPVS: ftp: loaded support on port[0] = 21 [ 29.521311] IPVS: ftp: loaded support on port[0] = 21 [ 29.530424] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 30.703893] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.710452] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.733339] device bridge_slave_0 entered promiscuous mode [ 30.743340] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.749759] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.758110] device bridge_slave_0 entered promiscuous mode [ 30.777357] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.783915] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.796346] device bridge_slave_0 entered promiscuous mode [ 30.809150] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.815532] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.824598] device bridge_slave_1 entered promiscuous mode [ 30.832323] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.838711] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.851079] device bridge_slave_0 entered promiscuous mode [ 30.865457] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.871856] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.883255] device bridge_slave_1 entered promiscuous mode [ 30.891375] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.905779] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.912197] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.921560] device bridge_slave_0 entered promiscuous mode [ 30.930971] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.938599] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.945174] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.953171] device bridge_slave_0 entered promiscuous mode [ 30.961535] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.967918] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.977989] device bridge_slave_0 entered promiscuous mode [ 30.986354] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.992743] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.003530] device bridge_slave_1 entered promiscuous mode [ 31.010242] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.016608] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.025584] device bridge_slave_1 entered promiscuous mode [ 31.034044] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.047740] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.054195] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.062098] device bridge_slave_0 entered promiscuous mode [ 31.076465] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.082864] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.099996] device bridge_slave_1 entered promiscuous mode [ 31.106889] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.114382] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.120762] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.128892] device bridge_slave_1 entered promiscuous mode [ 31.136451] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.145359] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.151722] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.167109] device bridge_slave_1 entered promiscuous mode [ 31.173192] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.179648] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.186699] device bridge_slave_1 entered promiscuous mode [ 31.194402] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.211607] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.220201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.229466] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.237588] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.263722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.271320] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.300265] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.309550] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.320078] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.338888] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.405287] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.413300] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.423346] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.465870] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.499968] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.517846] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.526647] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.539390] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.548528] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.555453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.576886] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.586317] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.594459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.605856] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.623870] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.633641] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.644496] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.652566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 31.665826] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.675573] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.684973] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.692755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.702343] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.709194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 31.724226] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.731426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.752299] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.759333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.773204] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.781268] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.788704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 31.800950] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.828218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 31.850771] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.971373] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.982557] team0: Port device team_slave_0 added [ 31.989955] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.998945] team0: Port device team_slave_0 added [ 32.026902] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.035973] team0: Port device team_slave_0 added [ 32.049491] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.063076] team0: Port device team_slave_1 added [ 32.098299] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.106876] team0: Port device team_slave_1 added [ 32.114691] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.122422] team0: Port device team_slave_0 added [ 32.130159] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.137896] team0: Port device team_slave_0 added [ 32.143301] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.151656] team0: Port device team_slave_0 added [ 32.164778] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.174446] team0: Port device team_slave_0 added [ 32.182525] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.196260] team0: Port device team_slave_1 added [ 32.209302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.226402] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.234948] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.242241] team0: Port device team_slave_1 added [ 32.250724] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.259469] team0: Port device team_slave_1 added [ 32.267580] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.280236] team0: Port device team_slave_0 added [ 32.287711] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.298162] team0: Port device team_slave_1 added [ 32.309931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.320803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.329089] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.336503] team0: Port device team_slave_1 added [ 32.345605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.356221] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.367380] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.375452] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.389455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.400113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.408917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.416850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.429699] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.437949] team0: Port device team_slave_1 added [ 32.454696] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.463561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.474258] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.494496] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.502291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.509809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.517375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.525090] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.533960] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.543375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.551848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.561517] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 32.572290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 32.579538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 32.587474] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.595059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 32.603228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.611672] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 32.619540] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.627815] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.635209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 32.644671] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.652382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.665756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.673561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.681405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.690611] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 32.699605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 32.707908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.717195] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.724624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.732790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.742630] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.750068] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 32.759306] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.772112] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.781067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.788169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.816174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.838426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 32.848359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.860358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.868541] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.876456] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.884485] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.893368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.901139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.909262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 32.917074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 32.928339] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.941542] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.950719] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.966827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.986659] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.009514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.020411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.034650] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.041909] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.054554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.081800] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.089740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.103893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 33.564565] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.571091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.578073] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.584450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.598850] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 33.609695] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.616088] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.622689] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.629055] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.637096] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 33.708823] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.715224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.721903] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.728291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.744219] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 33.754810] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.761183] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.767831] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.774185] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.783351] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 33.792683] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.799060] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.805679] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.812062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.819930] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 33.833258] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.839656] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.846300] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.852686] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 33.859912] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 33.883521] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.889930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.896605] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.902999] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available [ 33.925777] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 34.004635] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.011068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.017745] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.024136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.032531] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 34.528842] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.540131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.555099] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.562735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.570372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 34.577743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.585260] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 34.592838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 36.360337] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.398402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.419233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.441530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.456674] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.503527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.539549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.571738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.634982] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.662661] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.704863] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.721865] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.733407] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.786349] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.815903] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.824417] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.876164] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.882382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.889945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.913995] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.921288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.932510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.987815] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.994122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.006517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.020731] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.031389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.052148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.069816] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.079207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.088843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.103597] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.119246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.140364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.160050] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.169331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.178881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.189531] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.199516] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.215958] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.231006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.240868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.288264] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.346563] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.381714] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.416437] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.435225] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.480248] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program executing program [ 38.611096] IPVS: stopping backup sync thread 6536 ... executing program [ 38.656010] IPVS: stopping backup sync thread 6548 ... [ 38.657680] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.675836] IPVS: stopping backup sync thread 6551 ... [ 38.693271] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 executing program executing program executing program [ 38.732396] IPVS: stopping backup sync thread 6573 ... [ 38.742250] IPVS: stopping backup sync thread 6556 ... [ 38.767545] IPVS: stopping backup sync thread 6579 ... executing program [ 38.783320] IPVS: stopping backup sync thread 6592 ... [ 38.796161] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.796539] IPVS: stopping backup sync thread 6594 ... [ 38.811669] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.825516] IPVS: stopping backup sync thread 6597 ... executing program executing program [ 38.835948] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.840905] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.894906] IPVS: sync thread started: state = BACKUP, mcast_ifn = bridge_slave_0, syncid = 0, id = 0 [ 38.910373] IPVS: stopping backup sync thread 6627 ... [ 38.910542] [ 38.917298] ============================================ [ 38.922733] WARNING: possible recursive locking detected [ 38.928166] 4.16.0+ #11 Not tainted [ 38.931779] -------------------------------------------- [ 38.937215] syzkaller634324/6591 is trying to acquire lock: executing program [ 38.942909] 000000008fdd0182 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 38.949764] [ 38.949764] but task is already holding lock: [ 38.955726] 000000008fdd0182 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 38.959174] IPVS: stopping backup sync thread 6621 ... [ 38.962565] [ 38.962565] other info that might help us debug this: [ 38.962569] Possible unsafe locking scenario: [ 38.962569] [ 38.962571] CPU0 [ 38.962573] ---- [ 38.962575] lock(rtnl_mutex); [ 38.962581] lock(rtnl_mutex); [ 38.962588] [ 38.962588] *** DEADLOCK *** [ 38.962588] [ 38.962591] May be due to missing lock nesting notation [ 38.962591] [ 38.962598] 2 locks held by syzkaller634324/6591: [ 38.962601] #0: 000000008fdd0182 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 38.962627] #1: 00000000d461d28d (ipvs->sync_mutex){+.+.}, at: do_ip_vs_set_ctl+0x562/0x1d30 [ 38.962650] [ 38.962650] stack backtrace: [ 38.962661] CPU: 0 PID: 6591 Comm: syzkaller634324 Not tainted 4.16.0+ #11 [ 38.962666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.962669] Call Trace: [ 38.962681] dump_stack+0x1b9/0x294 [ 38.962696] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.981311] IPVS: stopping backup sync thread 6611 ... [ 38.983224] ? print_lock+0xd1/0xd6 [ 38.983240] ? vprintk_func+0x81/0xe7 [ 39.070657] __lock_acquire.cold.62+0x18c/0x55b [ 39.075312] ? debug_check_no_locks_freed+0x310/0x310 [ 39.080488] ? __enqueue_entity+0x10d/0x1f0 [ 39.084792] ? __lock_is_held+0xb5/0x140 [ 39.088845] ? __lock_acquire+0x7f5/0x5140 [ 39.093059] ? update_curr+0x332/0xbe0 [ 39.096930] ? debug_check_no_locks_freed+0x310/0x310 [ 39.102096] ? select_idle_sibling+0xd70/0xd70 [ 39.106652] ? find_held_lock+0x36/0x1c0 [ 39.110697] ? graph_lock+0x170/0x170 [ 39.114474] ? graph_lock+0x170/0x170 [ 39.118246] ? graph_lock+0x170/0x170 [ 39.122028] lock_acquire+0x1dc/0x520 [ 39.125807] ? rtnl_lock+0x17/0x20 [ 39.129324] ? lock_release+0xa10/0xa10 [ 39.133275] ? check_same_owner+0x320/0x320 [ 39.137571] ? graph_lock+0x170/0x170 [ 39.141348] ? rcu_note_context_switch+0x710/0x710 [ 39.146252] ? __might_sleep+0x95/0x190 [ 39.150205] ? rtnl_lock+0x17/0x20 [ 39.153725] __mutex_lock+0x16d/0x17f0 [ 39.157588] ? rtnl_lock+0x17/0x20 [ 39.161105] ? rtnl_lock+0x17/0x20 [ 39.164620] ? mutex_trylock+0x2a0/0x2a0 [ 39.168655] ? mark_held_locks+0xc9/0x160 [ 39.172798] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 39.177366] ? _raw_spin_unlock_irq+0x27/0x70 [ 39.181839] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.186830] ? trace_hardirqs_on+0xd/0x10 [ 39.190955] ? _raw_spin_unlock_irq+0x27/0x70 [ 39.195428] ? wait_for_completion_killable+0x56c/0x960 [ 39.200770] ? wait_for_completion_interruptible_timeout+0x960/0x960 [ 39.207239] ? lock_downgrade+0x8e0/0x8e0 [ 39.211363] ? kasan_check_read+0x11/0x20 [ 39.215486] ? do_raw_spin_unlock+0x9e/0x2e0 [ 39.219869] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 39.224429] ? wake_up_q+0x100/0x100 [ 39.228129] ? kasan_check_write+0x14/0x20 [ 39.232339] ? do_raw_spin_lock+0xc1/0x200 [ 39.236557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.242072] ? __kthread_create_on_node+0x34f/0x4c0 [ 39.247065] ? __kthread_parkme+0x280/0x280 [ 39.251362] ? __lock_is_held+0xb5/0x140 [ 39.255400] mutex_lock_nested+0x16/0x20 [ 39.259435] ? mutex_lock_nested+0x16/0x20 [ 39.263645] rtnl_lock+0x17/0x20 [ 39.266994] ip_mc_drop_socket+0x8f/0x270 [ 39.271121] inet_release+0x4e/0x1f0 [ 39.274811] sock_release+0x96/0x1b0 [ 39.278501] start_sync_thread+0xdc3/0x2d40 [ 39.282804] ? ip_vs_process_message+0xa0a/0xa0a [ 39.287539] ? ip_vs_sync_conn+0x33a0/0x33a0 [ 39.291923] ? graph_lock+0x170/0x170 [ 39.295699] ? lock_downgrade+0x8e0/0x8e0 [ 39.299821] ? lock_downgrade+0x8e0/0x8e0 [ 39.303946] ? kasan_check_read+0x11/0x20 [ 39.308068] ? do_raw_spin_unlock+0x9e/0x2e0 [ 39.312453] ? __local_bh_enable_ip+0x161/0x230 [ 39.317098] ? find_held_lock+0x36/0x1c0 [ 39.321136] ? lock_downgrade+0x8e0/0x8e0 [ 39.325257] ? lock_release+0xa10/0xa10 [ 39.329210] ? check_same_owner+0x320/0x320 [ 39.333509] ? module_unload_free+0x5b0/0x5b0 [ 39.337987] do_ip_vs_set_ctl+0x59c/0x1d30 [ 39.342200] ? find_held_lock+0x36/0x1c0 [ 39.346234] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 39.350704] ? lock_downgrade+0x8e0/0x8e0 [ 39.354828] ? kasan_check_read+0x11/0x20 [ 39.358953] ? rcu_is_watching+0x85/0x140 [ 39.363079] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 39.368246] ? kasan_check_write+0x14/0x20 [ 39.372459] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 39.377364] ? wait_for_completion+0x870/0x870 [ 39.381920] ? module_unload_free+0x5b0/0x5b0 [ 39.386393] ? mnt_get_count+0x150/0x150 [ 39.390429] ? find_held_lock+0x36/0x1c0 [ 39.394470] ? mutex_unlock+0xd/0x10 [ 39.398162] nf_setsockopt+0x7d/0xd0 [ 39.401851] ? nf_setsockopt+0x7d/0xd0 [ 39.405714] ip_setsockopt+0xd8/0xf0 [ 39.409406] tcp_setsockopt+0x93/0xe0 [ 39.413197] sock_common_setsockopt+0x9a/0xe0 [ 39.417669] __sys_setsockopt+0x1bd/0x390 [ 39.421794] ? kernel_accept+0x310/0x310 [ 39.425830] ? do_futex+0x27d0/0x27d0 [ 39.429607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.435120] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 39.439940] SyS_setsockopt+0x34/0x50 [ 39.443714] ? SyS_recv+0x40/0x40 [ 39.447144] do_syscall_64+0x29e/0x9d0 [ 39.451008] ? vmalloc_sync_all+0x30/0x30 [ 39.455139] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 39.459962] ? syscall_return_slowpath+0x5c0/0x5c0 [ 39.464868] ? syscall_return_slowpath+0x30f/0x5c0 [ 39.469777] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 39.475117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.479936] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 39.485099] RIP: 0033:0x447cf9 [ 39.488265] RSP: 002b:00007f1752e9fd48 EFLAGS: 00000293 ORIG_RAX: 0000000000000036 [ 39.495947] RAX: ffffffffffffffda RBX: 00000000006e4a04 RCX: 0000000000447cf9 [ 39.503193] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000008 [ 39.510435] RBP: 0000000000000000 R08: 0000000000000018 R09: 0000000000000000 [ 39.517679] R10: 0000000020000040 R11: 0000000000000293 R12: 00000000006e4a00 [ 39.524930] R13: 4000000000000001 R14: 00007f1752ea09c0 R15: 000000000000000c [ 39.536956] IPVS: stopping backup sync thread 6606 ...