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 '10.128.0.37' (ECDSA) to the list of known hosts. syzkaller login: [ 30.231486] IPVS: ftp: loaded support on port[0] = 21 [ 30.232373] IPVS: ftp: loaded support on port[0] = 21 [ 30.243069] IPVS: ftp: loaded support on port[0] = 21 [ 30.249482] IPVS: ftp: loaded support on port[0] = 21 [ 30.251658] IPVS: ftp: loaded support on port[0] = 21 [ 30.255221] IPVS: ftp: loaded support on port[0] = 21 [ 30.261682] IPVS: ftp: loaded support on port[0] = 21 [ 30.265839] 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.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.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 [ 31.523156] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.529856] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.544890] device bridge_slave_0 entered promiscuous mode [ 31.564932] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.571361] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.581237] device bridge_slave_0 entered promiscuous mode [ 31.590856] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.597371] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.606728] device bridge_slave_0 entered promiscuous mode [ 31.616533] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.623078] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.630854] device bridge_slave_0 entered promiscuous mode [ 31.638815] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.645207] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.654403] device bridge_slave_0 entered promiscuous mode [ 31.664138] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.670641] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.678991] device bridge_slave_0 entered promiscuous mode [ 31.686872] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.693261] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.701910] device bridge_slave_0 entered promiscuous mode [ 31.718427] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.725247] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.732997] device bridge_slave_1 entered promiscuous mode [ 31.742549] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.749058] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.756898] device bridge_slave_1 entered promiscuous mode [ 31.765294] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.771689] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.779353] device bridge_slave_1 entered promiscuous mode [ 31.787897] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.794296] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.802894] device bridge_slave_1 entered promiscuous mode [ 31.811125] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.817549] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.825750] device bridge_slave_1 entered promiscuous mode [ 31.834798] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.841506] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.848803] device bridge_slave_0 entered promiscuous mode [ 31.857328] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.865202] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.872751] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.879195] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.895658] device bridge_slave_1 entered promiscuous mode [ 31.903641] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.911869] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.918277] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.925669] device bridge_slave_1 entered promiscuous mode [ 31.934067] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.941659] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.950357] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.959977] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.966398] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.976429] device bridge_slave_1 entered promiscuous mode [ 31.985258] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.993940] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.001458] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.010609] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.018646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.047261] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.056958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.089344] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.115400] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.151125] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.181106] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 32.252108] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.266863] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.282939] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.291981] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.311498] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.330961] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.340674] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.352182] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.368277] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.375539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.400423] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.409363] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.420867] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 32.435242] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.443284] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 32.452452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 32.469619] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.477604] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.487173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.496560] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.504963] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.512875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.532560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.545830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.553533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.563755] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.577777] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.585140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 32.602587] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 32.616636] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 32.625043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 32.753328] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.766280] team0: Port device team_slave_0 added [ 32.811410] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.819999] team0: Port device team_slave_0 added [ 32.839508] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.852676] team0: Port device team_slave_1 added [ 32.871157] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.880658] team0: Port device team_slave_0 added [ 32.897217] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.905556] team0: Port device team_slave_0 added [ 32.927167] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.938357] team0: Port device team_slave_0 added [ 32.950208] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 32.958307] team0: Port device team_slave_1 added [ 32.963715] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 32.971726] team0: Port device team_slave_0 added [ 32.980084] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.994466] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.001889] team0: Port device team_slave_1 added [ 33.013306] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.021549] team0: Port device team_slave_1 added [ 33.027604] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.036382] team0: Port device team_slave_0 added [ 33.043139] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.051292] team0: Port device team_slave_0 added [ 33.062903] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.072993] team0: Port device team_slave_1 added [ 33.082606] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.090596] team0: Port device team_slave_1 added [ 33.098553] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.110865] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.120856] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.128684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.136927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.147515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.162432] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.176962] team0: Port device team_slave_1 added [ 33.187325] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.204530] team0: Port device team_slave_1 added [ 33.214344] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.226937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.234823] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.242738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.252561] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.259457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.267771] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.278100] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.287265] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.297540] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.305724] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.315313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 33.324487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.339930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.350878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.358785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.366361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.374154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.382055] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.389702] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.397310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 33.405394] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.413127] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.420246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.428514] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.436970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.444647] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.453702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.467045] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.477550] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.486316] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.493836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.524490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.537084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.544812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.552594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.560631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.568564] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.576382] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.583838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.591686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.599370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.607291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.615164] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.622788] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.630130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 33.639774] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.647453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.655576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.670944] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.680126] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.689540] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.697577] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.708902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.721668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.747547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.755963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.764404] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.772328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.780128] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.787894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.800507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.813106] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.823358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.844432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.856529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.864486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.872836] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.880105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.888615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.918240] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.929250] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.955635] 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 [ 34.369818] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.376663] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.383757] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.390183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.412358] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 34.481231] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.487679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.494601] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.501016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.518070] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported [ 34.537550] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.543992] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.550683] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.557081] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.565782] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.625636] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.632100] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.638796] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.645190] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.653731] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.665830] bridge0: port 2(bridge_slave_1) entered blocking state RTNETLINK answers: No buffer space available [ 34.672233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.678894] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.685252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.693267] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.707565] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.713957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.720589] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.726953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.749553] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 34.757688] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.764191] bridge0: port 2(bridge_slave_1) entered forwarding state RTNETLINK answers: Operation not supported [ 34.770820] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.777206] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.785726] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 34.862971] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.869421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.876146] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.882557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.899345] 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: 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 [ 35.232149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.247980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.256607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.269709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 35.276971] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.284547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.292068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.299769] 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: Invalid argument 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 RTNETLINK answers: Invalid argument [ 37.329931] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.353899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.371209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.439323] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.463907] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.479995] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.531066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.574125] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.605888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.626377] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.655444] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.682814] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.744750] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.774049] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.792377] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.822649] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.829481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.841524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.878591] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.903801] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.911233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.921530] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.947311] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 37.953986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.973295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.999956] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.009627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.021130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.086752] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.098985] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.119247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.128541] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.136592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.146700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.161301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.170229] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 38.180174] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.193507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.205865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.218133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.230275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.263139] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.294101] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.310350] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.400988] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.412289] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.434989] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.482180] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 39.653359] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.653573] IPVS: stopping backup sync thread 6523 ... executing program executing program executing program executing program executing program [ 39.733911] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.742551] IPVS: stopping backup sync thread 6543 ... [ 39.758334] IPVS: stopping backup sync thread 6547 ... executing program executing program executing program executing program executing program [ 39.798207] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.806784] IPVS: stopping backup sync thread 6560 ... [ 39.812322] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.821581] IPVS: stopping backup sync thread 6564 ... [ 39.832562] IPVS: stopping backup sync thread 6567 ... executing program [ 39.875666] IPVS: stopping backup sync thread 6582 ... [ 39.882986] IPVS: stopping backup sync thread 6585 ... [ 39.885539] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.897239] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 39.900085] IPVS: stopping backup sync thread 6587 ... [ 39.913232] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program [ 39.919109] IPVS: stopping backup sync thread 6589 ... [ 39.923571] [ 39.928503] ============================================ [ 39.933946] WARNING: possible recursive locking detected [ 39.939392] 4.16.0+ #1 Not tainted [ 39.942906] -------------------------------------------- [ 39.948329] syzkaller835515/6580 is trying to acquire lock: [ 39.954014] 0000000016ed3e56 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 39.960863] [ 39.960863] but task is already holding lock: [ 39.966821] 0000000016ed3e56 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 39.973657] [ 39.973657] other info that might help us debug this: [ 39.980300] Possible unsafe locking scenario: [ 39.980300] [ 39.986337] CPU0 [ 39.988900] ---- [ 39.991455] lock(rtnl_mutex); [ 39.994711] lock(rtnl_mutex); [ 39.997977] [ 39.997977] *** DEADLOCK *** [ 39.997977] [ 40.004018] May be due to missing lock nesting notation [ 40.004018] [ 40.010930] 2 locks held by syzkaller835515/6580: [ 40.015744] #0: 0000000016ed3e56 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 40.023016] #1: 0000000007107626 (ipvs->sync_mutex){+.+.}, at: do_ip_vs_set_ctl+0x562/0x1d30 [ 40.031678] [ 40.031678] stack backtrace: [ 40.036169] CPU: 1 PID: 6580 Comm: syzkaller835515 Not tainted 4.16.0+ #1 [ 40.043073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.052406] Call Trace: [ 40.054979] dump_stack+0x1b9/0x294 [ 40.058585] ? dump_stack_print_info.cold.2+0x52/0x52 [ 40.063756] ? print_lock+0xd1/0xd6 [ 40.067359] ? vprintk_func+0x81/0xe7 [ 40.071140] __lock_acquire.cold.62+0x18c/0x55b [ 40.075788] ? debug_check_no_locks_freed+0x310/0x310 [ 40.080956] ? account_kernel_stack+0x2bd/0x410 [ 40.085601] ? trace_hardirqs_on+0xd/0x10 [ 40.089730] ? put_task_stack+0x188/0x2c0 [ 40.093857] ? __lock_acquire+0x7f5/0x5140 [ 40.098073] ? copy_overflow+0x20/0x20 [ 40.101944] ? __schedule+0x809/0x1e30 [ 40.105811] ? graph_lock+0x170/0x170 [ 40.109588] ? graph_lock+0x170/0x170 [ 40.113366] ? rcu_is_watching+0x85/0x140 [ 40.117491] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 40.122666] ? graph_lock+0x170/0x170 [ 40.126447] ? graph_lock+0x170/0x170 [ 40.130231] lock_acquire+0x1dc/0x520 [ 40.134015] ? rtnl_lock+0x17/0x20 [ 40.137537] ? lock_release+0xa10/0xa10 [ 40.141497] ? check_same_owner+0x320/0x320 [ 40.145814] ? schedule+0xef/0x430 [ 40.149344] ? rcu_note_context_switch+0x710/0x710 [ 40.154254] ? __schedule+0x1e30/0x1e30 [ 40.158209] ? __might_sleep+0x95/0x190 [ 40.162162] ? rtnl_lock+0x17/0x20 [ 40.165688] __mutex_lock+0x16d/0x17f0 [ 40.169557] ? rtnl_lock+0x17/0x20 [ 40.173077] ? rtnl_lock+0x17/0x20 [ 40.176597] ? mutex_trylock+0x2a0/0x2a0 [ 40.180638] ? mark_held_locks+0xc9/0x160 [ 40.184764] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 40.189333] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.193811] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.198809] ? trace_hardirqs_on+0xd/0x10 [ 40.202939] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.207417] ? wait_for_completion_killable+0x56c/0x960 [ 40.212765] ? wait_for_completion_interruptible_timeout+0x960/0x960 [ 40.219241] ? lock_downgrade+0x8e0/0x8e0 [ 40.223381] ? kasan_check_read+0x11/0x20 [ 40.227541] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.231944] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 40.236505] ? wake_up_q+0x100/0x100 [ 40.240197] ? kasan_check_write+0x14/0x20 [ 40.244417] ? do_raw_spin_lock+0xc1/0x200 [ 40.248641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.254158] ? __kthread_create_on_node+0x34f/0x4c0 [ 40.259155] ? __kthread_parkme+0x280/0x280 [ 40.263458] ? kasan_check_read+0x11/0x20 [ 40.267586] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.271974] ? __lock_is_held+0xb5/0x140 [ 40.276024] mutex_lock_nested+0x16/0x20 [ 40.280074] ? mutex_lock_nested+0x16/0x20 [ 40.284290] rtnl_lock+0x17/0x20 [ 40.287635] ip_mc_drop_socket+0x8f/0x270 [ 40.291766] inet_release+0x4e/0x1f0 [ 40.295470] sock_release+0x96/0x1b0 [ 40.299167] start_sync_thread+0xdc3/0x2d40 [ 40.303467] ? ip_vs_process_message+0xa0a/0xa0a [ 40.308201] ? ip_vs_sync_conn+0x33a0/0x33a0 [ 40.312597] ? graph_lock+0x170/0x170 [ 40.316373] ? lock_downgrade+0x8e0/0x8e0 [ 40.320498] ? lock_downgrade+0x8e0/0x8e0 [ 40.324626] ? kasan_check_read+0x11/0x20 [ 40.328839] ? do_raw_spin_unlock+0x9e/0x2e0 [ 40.333228] ? __local_bh_enable_ip+0x161/0x230 [ 40.337873] ? find_held_lock+0x36/0x1c0 [ 40.341912] ? lock_downgrade+0x8e0/0x8e0 [ 40.346045] ? lock_release+0xa10/0xa10 [ 40.350005] ? check_same_owner+0x320/0x320 [ 40.354324] ? module_unload_free+0x5b0/0x5b0 [ 40.358816] do_ip_vs_set_ctl+0x59c/0x1d30 [ 40.363041] ? find_held_lock+0x36/0x1c0 [ 40.367093] ? ip_vs_genl_set_cmd+0xe80/0xe80 [ 40.371582] ? lock_downgrade+0x8e0/0x8e0 [ 40.375724] ? kasan_check_read+0x11/0x20 [ 40.379860] ? rcu_is_watching+0x85/0x140 [ 40.383991] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 40.389174] ? kasan_check_write+0x14/0x20 [ 40.393389] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 40.398297] ? wait_for_completion+0x870/0x870 [ 40.402859] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 40.407591] ? module_unload_free+0x5b0/0x5b0 [ 40.412068] ? find_held_lock+0x36/0x1c0 [ 40.416115] ? mutex_unlock+0xd/0x10 [ 40.419819] nf_setsockopt+0x7d/0xd0 [ 40.423509] ? nf_setsockopt+0x7d/0xd0 [ 40.427382] ip_setsockopt+0xd8/0xf0 [ 40.431081] tcp_setsockopt+0x93/0xe0 [ 40.434863] sock_common_setsockopt+0x9a/0xe0 [ 40.439342] __sys_setsockopt+0x1bd/0x390 [ 40.443471] ? kernel_accept+0x310/0x310 [ 40.447513] ? mm_fault_error+0x380/0x380 [ 40.451653] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 40.456485] SyS_setsockopt+0x34/0x50 [ 40.460265] ? SyS_recv+0x40/0x40 [ 40.463700] do_syscall_64+0x29e/0x9d0 [ 40.467566] ? vmalloc_sync_all+0x30/0x30 [ 40.471692] ? kasan_check_write+0x14/0x20 [ 40.475907] ? syscall_return_slowpath+0x5c0/0x5c0 [ 40.480816] ? syscall_return_slowpath+0x30f/0x5c0 [ 40.485731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.491252] ? retint_user+0x18/0x18 [ 40.494947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.499777] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 40.504940] RIP: 0033:0x4478d9 [ 40.508106] RSP: 002b:00007fc09036ddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 40.515789] RAX: ffffffffffffffda RBX: 00000000006e3a04 RCX: 00000000004478d9 [ 40.523035] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000003 [ 40.530286] RBP: 00000000006e3a00 R08: 0000000000000018 R09: 0000000000000000 [ 40.537540] R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 [ 40.544787] R13: 00007ffd8e5ee20f R14: 00007fc09036e9c0 R15: 00000000006e3b80