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. syzkaller login: [ 25.404905] IPVS: ftp: loaded support on port[0] = 21 [ 25.411959] IPVS: ftp: loaded support on port[0] = 21 [ 25.416408] IPVS: ftp: loaded support on port[0] = 21 [ 25.419161] IPVS: ftp: loaded support on port[0] = 21 [ 25.423692] IPVS: ftp: loaded support on port[0] = 21 [ 25.428843] IPVS: ftp: loaded support on port[0] = 21 [ 25.438445] IPVS: ftp: loaded support on port[0] = 21 [ 25.445063] 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.router_solicitations = 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 [ 26.733569] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.740267] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.748420] device bridge_slave_0 entered promiscuous mode [ 26.759289] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.765912] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.774731] device bridge_slave_0 entered promiscuous mode [ 26.791631] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.798263] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.806341] device bridge_slave_0 entered promiscuous mode [ 26.813742] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.820282] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.829302] device bridge_slave_0 entered promiscuous mode [ 26.838451] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.844872] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.852771] device bridge_slave_1 entered promiscuous mode [ 26.860353] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.866884] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.874861] device bridge_slave_0 entered promiscuous mode [ 26.882722] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.889899] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.898095] device bridge_slave_0 entered promiscuous mode [ 26.907238] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.913637] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.921434] device bridge_slave_0 entered promiscuous mode [ 26.929932] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.936339] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.946678] device bridge_slave_0 entered promiscuous mode [ 26.955596] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.962105] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.970275] device bridge_slave_1 entered promiscuous mode [ 26.979668] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.986108] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.993405] device bridge_slave_1 entered promiscuous mode [ 27.000280] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.006712] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.014290] device bridge_slave_1 entered promiscuous mode [ 27.022116] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.028504] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.037760] device bridge_slave_1 entered promiscuous mode [ 27.046829] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.055394] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.061842] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.076857] device bridge_slave_1 entered promiscuous mode [ 27.087225] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.093659] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.103876] device bridge_slave_1 entered promiscuous mode [ 27.111540] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.120237] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.130647] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.138895] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.146519] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.157631] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.165634] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.172101] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.191129] device bridge_slave_1 entered promiscuous mode [ 27.199930] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.208849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.217953] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.225304] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.240147] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.247577] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.319127] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.341595] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.390078] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.421082] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.440051] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.452987] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.487344] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.513360] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.534855] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.544474] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.570356] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.580806] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.596687] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 27.608381] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.617236] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.631313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.641111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 27.662798] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.673599] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.683890] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.693708] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.712122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 27.723339] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 27.965246] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 27.976422] team0: Port device team_slave_0 added [ 27.992949] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.002143] team0: Port device team_slave_0 added [ 28.009340] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.019465] team0: Port device team_slave_0 added [ 28.034957] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.042463] team0: Port device team_slave_0 added [ 28.050144] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.058991] team0: Port device team_slave_1 added [ 28.083235] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.104587] team0: Port device team_slave_1 added [ 28.110484] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.118225] team0: Port device team_slave_0 added [ 28.124084] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.132837] team0: Port device team_slave_1 added [ 28.142653] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.150834] team0: Port device team_slave_0 added [ 28.160484] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.173997] team0: Port device team_slave_0 added [ 28.180886] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 28.192348] team0: Port device team_slave_0 added [ 28.200453] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.208558] team0: Port device team_slave_1 added [ 28.214481] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.229271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.242687] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.250646] team0: Port device team_slave_1 added [ 28.260738] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.270251] team0: Port device team_slave_1 added [ 28.283947] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.295871] team0: Port device team_slave_1 added [ 28.317716] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.325808] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.333612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.343207] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.352695] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.361871] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.368765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.381293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.394674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.402658] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.410316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 28.418236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.425971] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 28.433399] team0: Port device team_slave_1 added [ 28.438729] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.445852] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.454600] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.463266] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.472919] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.481235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 28.490975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.506999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.516623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.524946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 28.532715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.540456] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.548434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.556371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.564234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.574456] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.582458] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.592202] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.601221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.610836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.623580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.632466] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.640539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 28.648585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 28.657365] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.664659] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.675521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.683820] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.692951] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.700186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.712876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.720855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.728927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.738592] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.745894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.753933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.761987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.771621] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.779249] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.789419] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.799178] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.808680] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.816727] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.823880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 28.844658] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 28.861272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.869443] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.877716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.885789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.893604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.901789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.909657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.917596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.925605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.933576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.941528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.949483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.957997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.965814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.974189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.984593] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.993751] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 29.002144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.017272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.029777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.037648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 29.058137] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 29.065715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.084349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.121312] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 29.128695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.156561] 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 [ 29.675774] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.682302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.689439] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.695864] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.708412] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.721427] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.727872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.734599] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.741068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.753291] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.775173] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.781612] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.788337] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.794783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.806011] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 29.824574] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.831016] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.837708] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.844128] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.855123] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.872460] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.878930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.885615] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.892056] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: No buffer space available [ 29.919974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.938861] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.945298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.952264] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.958680] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 29.983662] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 29.996423] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.002864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.009641] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.016047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.024346] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 30.034071] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.040496] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.047179] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.053575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.063703] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available 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 [ 30.378889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.389996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.402874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.410520] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.418095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 30.425599] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.433297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 30.440997] 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: 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: 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 [ 32.612202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.622708] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.666351] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.764216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.799177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.837462] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.853576] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.873141] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.895763] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.943505] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.017766] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.026698] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.050979] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.085439] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.116843] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.124099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.131785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.146482] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.217759] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.224244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.231539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.245881] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.260475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.274818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.315153] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.352500] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.358785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.369560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.397301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.407723] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.413977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.423625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.446364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.454804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.463463] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.480831] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.492580] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.506442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.516775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.558392] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.611255] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.617561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.632606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.711308] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.733353] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.749073] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.794510] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.893943] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program executing program [ 35.006628] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.044687] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program [ 35.057445] IPVS: stopping backup sync thread 6471 ... executing program [ 35.092647] IPVS: stopping backup sync thread 6478 ... [ 35.103722] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program [ 35.146959] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.157656] IPVS: stopping backup sync thread 6495 ... [ 35.171601] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.189602] IPVS: stopping backup sync thread 6501 ... executing program [ 35.209964] IPVS: stopping backup sync thread 6509 ... [ 35.229285] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.232129] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.254998] IPVS: stopping backup sync thread 6520 ... executing program executing program executing program [ 35.263381] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 35.275432] [ 35.277089] ============================================ [ 35.279048] IPVS: stopping backup sync thread 6524 ... [ 35.282529] WARNING: possible recursive locking detected [ 35.282538] 4.16.0+ #2 Not tainted [ 35.282541] -------------------------------------------- [ 35.282546] syzkaller638790/6513 is trying to acquire lock: [ 35.282551] 00000000d07db862 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 35.308227] IPVS: stopping backup sync thread 6526 ... [ 35.314907] [ 35.314907] but task is already holding lock: [ 35.314912] 00000000d07db862 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 35.314935] [ 35.314935] other info that might help us debug this: [ 35.314937] Possible unsafe locking scenario: [ 35.314937] [ 35.314945] CPU0 [ 35.314947] ---- [ 35.314949] lock(rtnl_mutex); [ 35.314954] lock(rtnl_mutex); [ 35.314961] [ 35.314961] *** DEADLOCK *** [ 35.314961] [ 35.314968] May be due to missing lock nesting notation [ 35.314968] [ 35.370329] 2 locks held by syzkaller638790/6513: [ 35.375153] #0: 00000000d07db862 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 35.382439] #1: 0000000069e4e0b9 (ipvs->sync_mutex){+.+.}, at: do_ip_vs_set_ctl+0x562/0x1d30 [ 35.391217] [ 35.391217] stack backtrace: [ 35.395707] CPU: 0 PID: 6513 Comm: syzkaller638790 Not tainted 4.16.0+ #2 [ 35.402643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.411998] Call Trace: [ 35.414592] dump_stack+0x1b9/0x294 [ 35.418217] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.423400] ? print_lock+0xd1/0xd6 [ 35.427036] ? vprintk_func+0x81/0xe7 [ 35.430839] __lock_acquire.cold.62+0x18c/0x55b [ 35.435503] ? debug_check_no_locks_freed+0x310/0x310 [ 35.440688] ? __enqueue_entity+0x10d/0x1f0 [ 35.444999] ? __lock_is_held+0xb5/0x140 [ 35.449065] ? __lock_acquire+0x7f5/0x5140 [ 35.453292] ? update_curr+0x332/0xbe0 [ 35.457174] ? debug_check_no_locks_freed+0x310/0x310 [ 35.462362] ? select_idle_sibling+0xd70/0xd70 [ 35.466960] ? lock_downgrade+0x8e0/0x8e0 [ 35.471099] ? graph_lock+0x170/0x170 [ 35.474897] ? kasan_check_read+0x11/0x20 [ 35.479058] ? graph_lock+0x170/0x170 [ 35.482858] ? graph_lock+0x170/0x170 [ 35.486654] lock_acquire+0x1dc/0x520 [ 35.490449] ? rtnl_lock+0x17/0x20 [ 35.493992] ? lock_release+0xa10/0xa10 [ 35.497964] ? check_same_owner+0x320/0x320 [ 35.502278] ? graph_lock+0x170/0x170 [ 35.506078] ? rcu_note_context_switch+0x710/0x710 [ 35.511026] ? __might_sleep+0x95/0x190 [ 35.515011] ? rtnl_lock+0x17/0x20 [ 35.518552] __mutex_lock+0x16d/0x17f0 [ 35.522434] ? rtnl_lock+0x17/0x20 [ 35.525968] ? rtnl_lock+0x17/0x20 [ 35.529497] ? mutex_trylock+0x2a0/0x2a0 [ 35.533568] ? mark_held_locks+0xc9/0x160 [ 35.537726] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.542313] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.546801] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.551806] ? trace_hardirqs_on+0xd/0x10 [ 35.555974] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.560477] ? wait_for_completion_killable+0x56c/0x960 [ 35.565846] ? wait_for_completion_interruptible_timeout+0x960/0x960 [ 35.572360] ? lock_downgrade+0x8e0/0x8e0 [ 35.576511] ? kasan_check_read+0x11/0x20 [ 35.580648] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.585066] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 35.589648] ? wake_up_q+0x100/0x100 [ 35.593352] ? kasan_check_write+0x14/0x20 [ 35.597766] ? do_raw_spin_lock+0xc1/0x200 [ 35.601995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.607618] ? __kthread_create_on_node+0x34f/0x4c0 [ 35.612633] ? __kthread_parkme+0x280/0x280 [ 35.616957] ? kasan_check_read+0x11/0x20 [ 35.621107] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.625509] ? __lock_is_held+0xb5/0x140 [ 35.629562] mutex_lock_nested+0x16/0x20 [ 35.633610] ? mutex_lock_nested+0x16/0x20 [ 35.637925] rtnl_lock+0x17/0x20 [ 35.641296] ip_mc_drop_socket+0x8f/0x270 [ 35.645440] inet_release+0x4e/0x1f0 [ 35.649154] sock_release+0x96/0x1b0 [ 35.652866] start_sync_thread+0xdc3/0x2d40 [ 35.657211] ? __lock_acquire+0x7f5/0x5140 [ 35.661442] ? ip_vs_process_message+0xa0a/0xa0a [ 35.666195] ? ip_vs_sync_conn+0x33a0/0x33a0 [ 35.670595] ? graph_lock+0x170/0x170 [ 35.674472] ? lock_downgrade+0x8e0/0x8e0 [ 35.678611] ? lock_downgrade+0x8e0/0x8e0 [ 35.682779] ? kasan_check_read+0x11/0x20 [ 35.686930] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.691331] ? __local_bh_enable_ip+0x161/0x230 [ 35.696018] ? find_held_lock+0x36/0x1c0 [ 35.700080] ? lock_downgrade+0x8e0/0x8e0 [ 35.704238] ? lock_release+0xa10/0xa10 [ 35.708204] ? check_same_owner+0x320/0x320 [ 35.712515] ? module_unload_free+0x5b0/0x5b0 [ 35.717036] do_ip_vs_set_ctl+0x59c/0x1d30 [ 35.721284] ? find_held_lock+0x36/0x1c0 [ 35.725350] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 35.729863] ? lock_downgrade+0x8e0/0x8e0 [ 35.734009] ? kasan_check_read+0x11/0x20 [ 35.738165] ? rcu_is_watching+0x85/0x140 [ 35.742305] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.747488] ? kasan_check_write+0x14/0x20 [ 35.751733] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 35.756664] ? wait_for_completion+0x870/0x870 [ 35.761248] ? module_unload_free+0x5b0/0x5b0 [ 35.765734] ? fget_raw+0x20/0x20 [ 35.769182] ? mutex_unlock+0xd/0x10 [ 35.772885] nf_setsockopt+0x7d/0xd0 [ 35.776616] ? nf_setsockopt+0x7d/0xd0 [ 35.780496] ip_setsockopt+0xd8/0xf0 [ 35.784201] tcp_setsockopt+0x93/0xe0 [ 35.787998] sock_common_setsockopt+0x9a/0xe0 [ 35.792503] __sys_setsockopt+0x1bd/0x390 [ 35.796649] ? kernel_accept+0x310/0x310 [ 35.800704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.806244] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 35.811086] SyS_setsockopt+0x34/0x50 [ 35.814878] ? SyS_recv+0x40/0x40 [ 35.818335] do_syscall_64+0x29e/0x9d0 [ 35.822214] ? vmalloc_sync_all+0x30/0x30 [ 35.826355] ? kasan_check_write+0x14/0x20 [ 35.830582] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.835622] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.840559] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 35.845919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.850767] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 35.855946] RIP: 0033:0x4488a9 [ 35.859134] RSP: 002b:00007fe1c1cbddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 35.866833] RAX: ffffffffffffffda RBX: 00000000006e5a04 RCX: 00000000004488a9 [ 35.874093] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000003 [ 35.881366] RBP: 00000000006e5a00 R08: 0000000000000018 R09: 0000000000000000 [ 35.888633] R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 [ 35.895984] R13: 00007ffe44d3fc6f R14: 00007fe1c1cbe9c0 R15: 0000000000000001