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. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 syzkaller login: [ 26.168735] 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 RTNETLINK answers: Operation not supported [ 26.200618] 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 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 26.234768] 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 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 26.271084] IPVS: Creating netns size=2536 id=4 RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 26.322737] IPVS: Creating netns size=2536 id=5 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 Error: argument "bridge0" is wrong: Device does not exist [ 26.352437] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.364469] IPVS: Creating netns size=2536 id=6 [ 26.369914] 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 Error: argument "bond0" is wrong: Device does not exist net.ipv6.conf.syz_tun.router_solicitations = 0 [ 26.424269] IPVS: Creating netns size=2536 id=7 net.ipv6.conf.syz_tun.accept_dad = 0 Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 26.449826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.471263] IPVS: Creating netns size=2536 id=8 [ 26.490283] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported 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 RTNETLINK answers: Operation not supported [ 26.498101] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.513478] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "team0" 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 RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 26.624347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.640008] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.652119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.662904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 26.684216] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.702071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.722178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready RTNETLINK answers: Operation not supported Error: argument "team0" 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 "team0" 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 RTNETLINK answers: Operation not supported [ 26.738529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.767479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.778782] IPv6: ADDRCONF(NETDEV_UP): veth1_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 RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 26.816167] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 26.826431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.840987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 26.851620] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 26.865364] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 26.887824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.904536] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported 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 [ 26.919550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.931803] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 26.939191] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Cannot find device "bridge0" 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 Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "bridge0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 27.016759] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.030392] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.054796] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Error: argument "bridge0" is wrong: Device does not exist [ 27.067740] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.078648] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.088174] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.096173] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.104188] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" RTNETLINK answers: Operation not supported [ 27.111486] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.120123] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.149703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.157943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "team0" is wrong: Device does not exist Cannot find device "vcan0" Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "vcan0" Cannot find device "bridge0" Error: argument "bond0" is wrong: Device does not exist Cannot find device "vcan0" [ 27.165994] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.173249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.191020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.199087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "vcan0" Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Cannot find device "bridge0" [ 27.239158] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.255750] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.274387] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist Cannot find device "bridge0" [ 27.295234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.315163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.324290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.331751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Cannot find device "vcan0" [ 27.345078] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.375788] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.383568] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "vcan0" Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" [ 27.392919] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.401266] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.418485] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.427536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Error: argument "team0" is wrong: Device does not exist [ 27.483557] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.494508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.502414] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 27.517570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "gre0" [ 27.528864] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.548863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.556562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.564706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 27.572208] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gretap0" [ 27.585798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.593263] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.601382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.608938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.618628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.628874] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "bridge0" [ 27.642089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.656112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.669046] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" [ 27.707308] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 27.718719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.727007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 27.737107] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" [ 27.752218] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.766188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "ip6_vti0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "ip6tnl0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "ip6tnl0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip6gre0" RTNETLINK answers: Operation not supported Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "ip6gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6tnl0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "ip6tnl0" Cannot find device "gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "gretap0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "gretap0" Cannot find device "bond0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "bond0" Cannot find device "ip6_vti0" [ 28.531364] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" [ 28.665038] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 28.671209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.678846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" [ 28.802367] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "erspan0" [ 28.859400] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" [ 28.931879] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 28.939055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.945797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" [ 28.993333] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.009102] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.018009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.027093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "team0" [ 29.136415] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.145330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.152085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.164269] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" [ 29.224001] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.248153] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" [ 29.276379] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.282550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.291339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 29.365992] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.376375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.383119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 29.417577] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.423724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.432008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 29.468628] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 29.585311] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.592816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.602840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program Cannot find device "team0" Cannot find device "team0" [ 29.693617] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.699189] IPVS: stopping backup sync thread 5703 ... [ 29.718576] IPVS: Unknown mcast interface: ipddp0 [ 29.727948] IPVS: stopping backup sync thread 5720 ... executing program [ 29.733305] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.781918] IPVS: stopping backup sync thread 5745 ... [ 29.789635] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 29.816443] IPVS: Unknown mcast interface: ipddp0 [ 29.827856] [ 29.829510] ============================================= [ 29.835031] [ INFO: possible recursive locking detected ] [ 29.840556] 4.9.95-gee0bcd6 #6 Not tainted [ 29.844780] --------------------------------------------- [ 29.850300] syzkaller533411/5739 is trying to acquire lock: [ 29.855981] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 29.863776] but task is already holding lock: [ 29.868422] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 29.876211] other info that might help us debug this: [ 29.881543] Possible unsafe locking scenario: [ 29.881543] [ 29.887568] CPU0 [ 29.890120] ---- [ 29.892672] lock(rtnl_mutex); [ 29.896157] lock(rtnl_mutex); [ 29.899649] [ 29.899649] *** DEADLOCK *** [ 29.899649] [ 29.905678] May be due to missing lock nesting notation [ 29.905678] [ 29.912575] 2 locks held by syzkaller533411/5739: [ 29.917388] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 29.925767] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x90d/0xbd0 [ 29.935423] [ 29.935423] stack backtrace: [ 29.939893] CPU: 0 PID: 5739 Comm: syzkaller533411 Not tainted 4.9.95-gee0bcd6 #6 [ 29.947482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.956899] ffff8801d797f480 ffffffff81eb0f89 ffffffff8539d290 ffffffff8539d290 [ 29.964889] ffffffff8539d290 ffff8801b52d68e8 8e09b38249acc15d ffff8801d797f640 [ 29.972879] ffffffff814259ef ffffffff84c98ca0 ffffffff84ff1bd8 ffffffff84c98ca4 [ 29.980855] Call Trace: [ 29.984549] [] dump_stack+0xc1/0x128 [ 29.989895] [] __lock_acquire.cold.59+0x166/0x5f8 [ 29.996365] [] ? debug_check_no_locks_freed+0x210/0x210 [ 30.003354] [] ? __lock_is_held+0xa2/0xf0 [ 30.009127] [] lock_acquire+0x130/0x3e0 [ 30.014734] [] ? rtnl_lock+0x17/0x20 [ 30.020072] [] ? rtnl_lock+0x17/0x20 [ 30.025422] [] mutex_lock_nested+0xc0/0x870 [ 30.031367] [] ? rtnl_lock+0x17/0x20 [ 30.036703] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.043539] [] ? qtaguid_untag+0x41a/0x620 [ 30.049405] [] ? mutex_trylock+0x3e0/0x3e0 [ 30.055266] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 30.061471] [] ? qtaguid_untag+0x31e/0x620 [ 30.067333] [] ? __lock_is_held+0xa2/0xf0 [ 30.073107] [] rtnl_lock+0x17/0x20 [ 30.078274] [] ip_mc_drop_socket+0x8c/0x230 [ 30.084219] [] inet_release+0x5b/0x1d0 [ 30.089744] [] sock_release+0x96/0x1c0 [ 30.095262] [] start_sync_thread+0xa0e/0x1ea0 [ 30.101381] [] ? ip_vs_proc_sync_conn+0x952/0x952 [ 30.107853] [] ? ip_vs_sync_conn+0x2a90/0x2a90 [ 30.114060] [] ? mark_held_locks+0xc7/0x130 [ 30.120006] [] ? mutex_lock_nested+0x572/0x870 [ 30.126210] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.133025] [] ? mutex_lock_nested+0x596/0x870 [ 30.139234] [] ? do_ip_vs_set_ctl+0x90d/0xbd0 [ 30.145371] [] ? mutex_trylock+0x3e0/0x3e0 [ 30.151234] [] ? memcpy+0x45/0x50 [ 30.156311] [] do_ip_vs_set_ctl+0x91f/0xbd0 [ 30.162254] [] ? ip_vs_genl_set_cmd+0x9c0/0x9c0 [ 30.168550] [] ? mutex_lock_nested+0x572/0x870 [ 30.174768] [] ? __mutex_unlock_slowpath+0x221/0x3c0 [ 30.181504] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 30.187721] [] ? sock_has_perm+0x292/0x3e0 [ 30.193584] [] ? mutex_unlock+0x9/0x10 [ 30.199101] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 30.206181] [] nf_setsockopt+0x6d/0xc0 [ 30.211695] [] ip_setsockopt+0x9a/0xb0 [ 30.217209] [] tcp_setsockopt+0x88/0xe0 [ 30.223352] [] sock_common_setsockopt+0x9a/0xe0 executing program [ 30.229647] [] SyS_setsockopt+0x166/0x260 [ 30.235420] [] ? SyS_recv+0x40/0x40 [ 30.240671] [] ? __do_page_fault+0x183/0xd50 [ 30.246704] [] ? move_addr_to_kernel+0x50/0x50 [ 30.252914] [] ? do_syscall_64+0x48/0x490 [ 30.258686] [] ? SyS_recv+0x40/0x40 [ 30.263944] [] do_syscall_64+0x1a6/0x490 [ 30.269668] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb