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 '10.128.0.27' (ECDSA) to the list of known hosts. syzkaller login: [ 30.799472] IPVS: ftp: loaded support on port[0] = 21 [ 30.819866] IPVS: ftp: loaded support on port[0] = 21 [ 30.820570] IPVS: ftp: loaded support on port[0] = 21 [ 30.827388] IPVS: ftp: loaded support on port[0] = 21 [ 30.832356] IPVS: ftp: loaded support on port[0] = 21 [ 30.835982] IPVS: ftp: loaded support on port[0] = 21 [ 30.845811] IPVS: ftp: loaded support on port[0] = 21 [ 30.852481] 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.router_solicitations = 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.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.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 [ 31.977930] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.984547] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.002532] device bridge_slave_0 entered promiscuous mode [ 32.024515] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.031090] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.040476] device bridge_slave_0 entered promiscuous mode [ 32.088988] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.095397] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.105271] device bridge_slave_0 entered promiscuous mode [ 32.113461] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.119982] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.128894] device bridge_slave_1 entered promiscuous mode [ 32.137304] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.143679] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.150781] device bridge_slave_1 entered promiscuous mode [ 32.159328] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.165703] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.173487] device bridge_slave_0 entered promiscuous mode [ 32.203839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.216836] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.223566] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.234713] device bridge_slave_1 entered promiscuous mode [ 32.246396] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.255235] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.261620] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.272882] device bridge_slave_0 entered promiscuous mode [ 32.282703] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.291454] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.300503] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.306889] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.316336] device bridge_slave_1 entered promiscuous mode [ 32.325243] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.331626] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.339431] device bridge_slave_0 entered promiscuous mode [ 32.347797] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.354158] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.363485] device bridge_slave_0 entered promiscuous mode [ 32.372005] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.378387] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.385970] device bridge_slave_0 entered promiscuous mode [ 32.394341] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.400714] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.408935] device bridge_slave_1 entered promiscuous mode [ 32.424080] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.432922] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.439286] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.446561] device bridge_slave_1 entered promiscuous mode [ 32.461358] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.467746] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.478249] device bridge_slave_1 entered promiscuous mode [ 32.486113] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.492503] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.499846] device bridge_slave_1 entered promiscuous mode [ 32.506613] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.515285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.523907] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.543535] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.561753] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.573939] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.581320] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.588960] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.611770] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.630315] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.639805] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.648979] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.659515] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.704110] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.760801] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.783303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.811311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.825977] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.835963] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.843725] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 32.853809] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.862716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 32.879354] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.893869] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.911615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.935245] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.957220] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.966605] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.983712] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.996146] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.007231] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.071703] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.106339] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.119240] team0: Port device team_slave_0 added [ 33.125700] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.202234] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.220566] team0: Port device team_slave_1 added [ 33.243158] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.253492] team0: Port device team_slave_0 added [ 33.282622] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.336516] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.345437] team0: Port device team_slave_0 added [ 33.356359] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.366210] team0: Port device team_slave_1 added [ 33.383803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.399347] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.406915] team0: Port device team_slave_0 added [ 33.416174] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.424433] team0: Port device team_slave_0 added [ 33.429790] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.441396] team0: Port device team_slave_0 added [ 33.463248] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.476248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.486377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.494733] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.504971] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.512526] team0: Port device team_slave_1 added [ 33.518051] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.525859] team0: Port device team_slave_1 added [ 33.534694] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.542646] team0: Port device team_slave_0 added [ 33.553319] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.560978] team0: Port device team_slave_0 added [ 33.566471] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.573807] team0: Port device team_slave_1 added [ 33.579488] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.588749] team0: Port device team_slave_1 added [ 33.599337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.609601] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.616510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.627646] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.637264] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.644335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.652896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.666367] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.675089] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.685644] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.694495] team0: Port device team_slave_1 added [ 33.705074] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.717846] team0: Port device team_slave_1 added [ 33.726472] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.733463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.743369] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.751795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.759908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.767580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.775333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.783131] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.792138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.799173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.809470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.819306] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.826618] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.835440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.853723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.870655] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.878243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.885892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.893783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.901477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.909267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.916835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.925817] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.932694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.940785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.950396] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.959456] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.967589] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.981199] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.988224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.001620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.014957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.022707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.030494] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.038332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.045992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 34.053711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.061701] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 34.074139] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.084519] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.093729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 34.109949] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.125805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.133620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.141500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.149503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.158810] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 34.166158] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.181519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 34.194885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.207874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.218168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.229995] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.237925] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.244966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.266108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.279834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.287567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.300554] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 34.307429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 34.315404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.325449] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.332764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.341203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.352241] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.359766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.371764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 34.383295] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.406445] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.424623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.463680] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.470831] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.482884] 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 [ 34.770563] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.777094] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.784005] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.790403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.806059] 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 [ 34.945119] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.951527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.958186] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.964550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.972281] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.991522] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.997920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.004597] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.010987] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.021690] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.033770] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.040167] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.046838] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.053207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.069307] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.109884] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.116304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.122948] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.129324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.137304] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 35.145208] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.151596] bridge0: port 2(bridge_slave_1) entered forwarding state RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available [ 35.158207] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.164565] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.172924] 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: No buffer space available RTNETLINK answers: No buffer space available [ 35.236618] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.243063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.249724] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.256090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.264514] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 35.396215] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.402626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.409273] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.415635] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.432064] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 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 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 35.615209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.626658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.638581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.645792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.653431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported [ 35.660642] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.668054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.675394] 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: 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: 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: 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 [ 37.507255] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.640981] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.713609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.767168] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.792774] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.805885] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.814096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.883351] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.994920] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.002540] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.013646] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.024328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.039064] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.046556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.069277] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.126474] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.137531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.173316] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.180134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.191139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.263637] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.269905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.277311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.300630] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.344968] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.351190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.361508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.380511] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.391392] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.397716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.407813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.420190] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.429830] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.436554] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.455765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.473781] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.586564] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.649851] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.667794] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.675926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.683659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.701764] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.717203] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.731424] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.737704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.746666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.868011] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.991369] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 39.832768] IPVS: stopping backup sync thread 6443 ... [ 39.859946] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program [ 39.932227] IPVS: stopping backup sync thread 6451 ... executing program [ 39.980621] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.994713] IPVS: stopping backup sync thread 6486 ... executing program [ 40.026096] IPVS: stopping backup sync thread 6482 ... [ 40.044841] IPVS: stopping backup sync thread 6498 ... executing program executing program [ 40.075092] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 40.075096] IPVS: stopping backup sync thread 6506 ... [ 40.088931] IPVS: stopping backup sync thread 6511 ... [ 40.092940] IPVS: stopping backup sync thread 6514 ... [ 40.104867] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 40.106103] IPVS: stopping backup sync thread 6515 ... executing program executing program executing program [ 40.161361] IPVS: stopping backup sync thread 6527 ... [ 40.185713] IPVS: stopping backup sync thread 6531 ... [ 40.187249] [ 40.192631] ============================================ [ 40.198074] WARNING: possible recursive locking detected [ 40.203509] 4.16.0+ #3 Not tainted [ 40.207034] -------------------------------------------- [ 40.212474] syzkaller097761/6526 is trying to acquire lock: [ 40.218170] 000000003da365ca (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 40.225025] [ 40.225025] but task is already holding lock: [ 40.230988] 000000003da365ca (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 40.237827] [ 40.237827] other info that might help us debug this: [ 40.244468] Possible unsafe locking scenario: [ 40.244468] [ 40.250500] CPU0 [ 40.253053] ---- [ 40.255606] lock(rtnl_mutex); [ 40.258859] lock(rtnl_mutex); [ 40.262114] [ 40.262114] *** DEADLOCK *** [ 40.262114] [ 40.268147] May be due to missing lock nesting notation [ 40.268147] [ 40.275050] 2 locks held by syzkaller097761/6526: [ 40.279861] #0: 000000003da365ca (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 40.287127] #1: 00000000af82c581 (ipvs->sync_mutex){+.+.}, at: do_ip_vs_set_ctl+0x562/0x1d30 [ 40.295775] [ 40.295775] stack backtrace: [ 40.300250] CPU: 1 PID: 6526 Comm: syzkaller097761 Not tainted 4.16.0+ #3 [ 40.307158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.316510] Call Trace: [ 40.319079] dump_stack+0x1b9/0x294 [ 40.322692] ? dump_stack_print_info.cold.2+0x52/0x52 [ 40.327877] ? print_lock+0xd1/0xd6 [ 40.331486] ? vprintk_func+0x81/0xe7 [ 40.335266] __lock_acquire.cold.62+0x18c/0x55b [ 40.339914] ? debug_check_no_locks_freed+0x310/0x310 [ 40.345083] ? __enqueue_entity+0x10d/0x1f0 [ 40.349382] ? __lock_is_held+0xb5/0x140 [ 40.353427] ? __lock_acquire+0x7f5/0x5140 [ 40.357644] ? update_curr+0x332/0xbe0 [ 40.361513] ? debug_check_no_locks_freed+0x310/0x310 [ 40.366681] ? select_idle_sibling+0xd70/0xd70 [ 40.371244] ? lock_downgrade+0x8e0/0x8e0 [ 40.375372] ? graph_lock+0x170/0x170 [ 40.379156] ? kasan_check_read+0x11/0x20 [ 40.383281] ? graph_lock+0x170/0x170 [ 40.387058] ? graph_lock+0x170/0x170 [ 40.390836] lock_acquire+0x1dc/0x520 [ 40.394612] ? rtnl_lock+0x17/0x20 [ 40.398130] ? lock_release+0xa10/0xa10 [ 40.402087] ? check_same_owner+0x320/0x320 [ 40.406391] ? graph_lock+0x170/0x170 [ 40.410174] ? rcu_note_context_switch+0x710/0x710 [ 40.415086] ? __might_sleep+0x95/0x190 [ 40.419047] ? rtnl_lock+0x17/0x20 [ 40.422566] __mutex_lock+0x16d/0x17f0 [ 40.426432] ? rtnl_lock+0x17/0x20 [ 40.429950] ? rtnl_lock+0x17/0x20 [ 40.433468] ? mutex_trylock+0x2a0/0x2a0 [ 40.437511] ? mark_held_locks+0xc9/0x160 [ 40.441636] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 40.446211] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.450682] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.455674] ? trace_hardirqs_on+0xd/0x10 [ 40.459798] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.464280] ? wait_for_completion_killable+0x56c/0x960 [ 40.469623] ? wait_for_completion_interruptible_timeout+0x960/0x960 [ 40.476091] ? lock_downgrade+0x8e0/0x8e0 [ 40.480219] ? kasan_check_read+0x11/0x20 [ 40.484354] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.488738] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 40.493304] ? wake_up_q+0x100/0x100 [ 40.496994] ? kasan_check_write+0x14/0x20 [ 40.501211] ? do_raw_spin_lock+0xc1/0x200 [ 40.505425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.510942] ? __kthread_create_on_node+0x34f/0x4c0 [ 40.515933] ? __kthread_parkme+0x280/0x280 [ 40.520232] ? kasan_check_read+0x11/0x20 [ 40.524357] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.528745] ? __lock_is_held+0xb5/0x140 [ 40.532794] mutex_lock_nested+0x16/0x20 [ 40.536832] ? mutex_lock_nested+0x16/0x20 [ 40.541044] rtnl_lock+0x17/0x20 [ 40.544388] ip_mc_drop_socket+0x8f/0x270 [ 40.548513] inet_release+0x4e/0x1f0 [ 40.552211] sock_release+0x96/0x1b0 [ 40.555906] start_sync_thread+0xdc3/0x2d40 [ 40.560204] ? ip_vs_process_message+0xa0a/0xa0a [ 40.564938] ? ip_vs_sync_conn+0x33a0/0x33a0 [ 40.569325] ? graph_lock+0x170/0x170 [ 40.573106] ? lock_downgrade+0x8e0/0x8e0 [ 40.577230] ? kasan_check_read+0x11/0x20 [ 40.581361] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.585749] ? find_held_lock+0x36/0x1c0 [ 40.589789] ? lock_downgrade+0x8e0/0x8e0 [ 40.593915] ? __release_sock+0x3a0/0x3a0 [ 40.598039] ? lock_release+0xa10/0xa10 [ 40.601990] ? check_same_owner+0x320/0x320 [ 40.606303] ? module_unload_free+0x5b0/0x5b0 [ 40.610780] do_ip_vs_set_ctl+0x59c/0x1d30 [ 40.614995] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 40.619472] ? lock_downgrade+0x8e0/0x8e0 [ 40.623604] ? lock_downgrade+0x8e0/0x8e0 [ 40.627732] ? rcu_is_watching+0x85/0x140 [ 40.631867] ? kasan_check_read+0x11/0x20 [ 40.635992] ? rcu_is_watching+0x85/0x140 [ 40.640120] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 40.645287] ? kasan_check_write+0x14/0x20 [ 40.649502] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 40.654410] ? wait_for_completion+0x870/0x870 [ 40.658969] ? module_unload_free+0x5b0/0x5b0 [ 40.663443] ? expand_files.part.8+0x9a0/0x9a0 [ 40.668002] ? mark_held_locks+0xc9/0x160 [ 40.672137] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 40.676697] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 40.681784] nf_setsockopt+0x7d/0xd0 [ 40.685477] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 40.689950] ? nf_setsockopt+0x7d/0xd0 [ 40.693824] ip_setsockopt+0xd8/0xf0 [ 40.697517] udp_setsockopt+0x62/0xa0 [ 40.701297] ipv6_setsockopt+0x149/0x170 [ 40.705338] udpv6_setsockopt+0x62/0xa0 [ 40.709291] sock_common_setsockopt+0x9a/0xe0 [ 40.713762] __sys_setsockopt+0x1bd/0x390 [ 40.717885] ? kernel_accept+0x310/0x310 [ 40.721922] ? do_futex+0x27d0/0x27d0 [ 40.725710] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 40.730536] SyS_setsockopt+0x34/0x50 [ 40.734311] ? SyS_recv+0x40/0x40 [ 40.737744] do_syscall_64+0x29e/0x9d0 [ 40.741613] ? vmalloc_sync_all+0x30/0x30 [ 40.745739] ? kasan_check_write+0x14/0x20 [ 40.749952] ? syscall_return_slowpath+0x5c0/0x5c0 [ 40.754865] ? syscall_return_slowpath+0x30f/0x5c0 [ 40.759771] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 40.765111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.769932] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 40.775102] RIP: 0033:0x449679 [ 40.778270] RSP: 002b:00007f8839868ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 40.785955] RAX: ffffffffffffffda RBX: 00000000006e6a04 RCX: 0000000000449679 [ 40.793209] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000008 [ 40.800455] RBP: 00000000006e6a00 R08: 0000000000000018 R09: 0000000000000000 [ 40.807700] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 [ 40.814946] R13: 00007ffd77a1194f R14: 00007f88398699c0 R15: 0000000000000005