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 '10.128.0.62' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 syzkaller login: [ 19.398244] IPVS: Creating netns size=2536 id=1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 19.430543] IPVS: Creating netns size=2536 id=2 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 19.468909] IPVS: Creating netns size=2536 id=3 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 19.508381] IPVS: Creating netns size=2536 id=4 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 19.557423] IPVS: Creating netns size=2536 id=5 RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist net.ipv6.conf.syz_tun.router_solicitations = 0 Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 19.603965] IPVS: Creating netns size=2536 id=6 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 19.646719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 19.658739] IPVS: Creating netns size=2536 id=7 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 19.703990] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 19.711764] IPVS: Creating netns size=2536 id=8 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 19.889457] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 19.911847] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 19.932052] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 19.946545] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 19.998105] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 20.044242] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 20.117178] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.135362] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.149736] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 20.159863] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist [ 20.169273] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 20.177092] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.190923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 20.201056] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 20.220220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 20.250492] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 20.289561] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.311448] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 20.352132] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.369972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.385543] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 20.398249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.411686] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 20.421863] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.430200] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 20.452441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 20.465267] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.472379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 20.487415] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 20.495347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Error: argument "team0" is wrong: Device does not exist [ 20.510086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 20.519320] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 20.539122] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 20.555750] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist [ 20.597149] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.606793] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 20.626828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 20.635718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 20.646429] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.654937] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 20.666382] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 20.675724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 20.683227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 20.693542] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.702160] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 20.712919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.722162] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.731769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 20.739335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "bridge0" [ 20.750083] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 20.759722] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 20.767201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 20.774900] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.787914] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready Cannot find device "bridge0" RTNETLINK answers: Operation not supported [ 20.796102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 20.805251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 20.823568] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 20.847108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 20.855882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 20.882701] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "vcan0" [ 20.894004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 20.904813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" [ 20.955795] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.963280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.972997] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 20.990934] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" [ 21.002931] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 21.021709] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 21.031628] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 21.046101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready Cannot find device "vcan0" Cannot find device "bridge0" [ 21.053612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 21.063510] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 21.074590] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 21.082748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.092022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "bridge0" [ 21.099822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.107316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 21.115673] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 21.123462] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.130966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 21.139681] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" [ 21.155278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.162829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 21.174703] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 21.183215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.191369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "ip6tnl0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip6gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6gretap0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "bond0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "erspan0" [ 22.407131] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" [ 22.522391] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 22.533665] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 22.542390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "team0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" [ 22.572686] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" [ 22.671738] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 22.680905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 22.688459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 22.705858] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" [ 22.780373] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" [ 22.828722] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 22.836822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 22.843486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 22.901811] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 22.967971] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 22.986373] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 22.994393] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 23.002569] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 23.011983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.030361] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" [ 23.077879] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 23.084045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.093116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.110274] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 23.121951] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.129018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.137146] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 23.145657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.152778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 23.187548] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 23.193697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.201239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" executing program [ 23.533928] IPVS: stopping backup sync thread 5627 ... [ 23.542094] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program [ 23.582048] [ 23.583720] ============================================= [ 23.589239] [ INFO: possible recursive locking detected ] [ 23.594761] 4.9.94-g8683408 #3 Not tainted [ 23.598983] --------------------------------------------- [ 23.604508] syzkaller282254/5622 is trying to acquire lock: [ 23.610188] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 23.617973] but task is already holding lock: [ 23.622610] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 23.630402] other info that might help us debug this: [ 23.635734] Possible unsafe locking scenario: [ 23.635734] [ 23.641771] CPU0 [ 23.644323] ---- [ 23.646877] lock(rtnl_mutex); [ 23.650365] lock(rtnl_mutex); [ 23.653846] [ 23.653846] *** DEADLOCK *** [ 23.653846] [ 23.659883] May be due to missing lock nesting notation [ 23.659883] [ 23.666777] 2 locks held by syzkaller282254/5622: [ 23.671589] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 23.679923] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x90d/0xbd0 [ 23.690448] [ 23.690448] stack backtrace: [ 23.694918] CPU: 1 PID: 5622 Comm: syzkaller282254 Not tainted 4.9.94-g8683408 #3 [ 23.702506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.711840] ffff8801bf2ef480 ffffffff81d9b509 ffffffff853730e0 ffffffff853730e0 [ 23.719819] ffffffff853730e0 ffff8801d85ab8e8 0f291856a283e7f2 ffff8801bf2ef640 [ 23.727797] ffffffff814258ef ffffffff84c6eca0 ffffffff84fc38b0 ffffffff84c6eca4 [ 23.735777] Call Trace: [ 23.738359] [] dump_stack+0xc1/0x128 [ 23.743702] [] __lock_acquire.cold.59+0x166/0x5f8 [ 23.750171] [] ? debug_check_no_locks_freed+0x210/0x210 [ 23.757155] [] ? __lock_is_held+0xa2/0xf0 [ 23.762924] [] lock_acquire+0x130/0x3e0 [ 23.768529] [] ? rtnl_lock+0x17/0x20 [ 23.773873] [] ? rtnl_lock+0x17/0x20 [ 23.779210] [] mutex_lock_nested+0xc0/0x870 [ 23.785159] [] ? rtnl_lock+0x17/0x20 [ 23.790496] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.797310] [] ? qtaguid_untag+0x41a/0x620 [ 23.803168] [] ? mutex_trylock+0x3e0/0x3e0 [ 23.809025] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 23.815230] [] ? qtaguid_untag+0x31e/0x620 [ 23.821094] [] ? __lock_is_held+0xa2/0xf0 [ 23.826874] [] rtnl_lock+0x17/0x20 [ 23.832046] [] ip_mc_drop_socket+0x8c/0x230 [ 23.837993] [] inet_release+0x5b/0x1d0 [ 23.843504] [] sock_release+0x96/0x1c0 [ 23.849011] [] start_sync_thread+0xa0e/0x1ea0 [ 23.855126] [] ? ip_vs_proc_sync_conn+0x952/0x952 [ 23.861589] [] ? ip_vs_sync_conn+0x2a90/0x2a90 [ 23.867800] [] ? mark_held_locks+0xc7/0x130 [ 23.873747] [] ? mutex_lock_nested+0x572/0x870 [ 23.879952] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.886761] [] ? mutex_lock_nested+0x596/0x870 [ 23.892966] [] ? do_ip_vs_set_ctl+0x90d/0xbd0 [ 23.899090] [] ? mutex_trylock+0x3e0/0x3e0 [ 23.904950] [] ? memcpy+0x45/0x50 [ 23.910025] [] do_ip_vs_set_ctl+0x91f/0xbd0 [ 23.915970] [] ? ip_vs_genl_set_cmd+0x9c0/0x9c0 [ 23.922261] [] ? mutex_lock_nested+0x572/0x870 [ 23.928474] [] ? __mutex_unlock_slowpath+0x221/0x3c0 [ 23.935201] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 23.941410] [] ? sock_has_perm+0x292/0x3e0 [ 23.947266] [] ? mutex_unlock+0x9/0x10 [ 23.952785] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 23.959856] [] nf_setsockopt+0x6d/0xc0 [ 23.965374] [] ip_setsockopt+0x9a/0xb0 [ 23.970886] [] tcp_setsockopt+0x88/0xe0 [ 23.976482] [] sock_common_setsockopt+0x9a/0xe0 [ 23.982793] [] SyS_setsockopt+0x166/0x260 [ 23.988567] [] ? SyS_recv+0x40/0x40 [ 23.993816] [] ? __do_page_fault+0x183/0xd50 [ 23.999852] [] ? do_syscall_64+0x48/0x490 [ 24.005621] [] ? SyS_recv+0x40/0x40 [ 24.010868] [] do_syscall_64+0x1a6/0x490 [ 24.016811] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb