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 '10.128.10.21' (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: [ 26.943172] IPVS: Creating netns size=2536 id=1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 26.976242] IPVS: Creating netns size=2536 id=2 [ 26.991275] IPVS: Creating netns size=2536 id=3 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 27.029229] IPVS: Creating netns size=2536 id=4 net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 27.065242] IPVS: Creating netns size=2536 id=5 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 [ 27.117631] IPVS: Creating netns size=2536 id=6 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported [ 27.160046] IPVS: Creating netns size=2536 id=7 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 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 27.230730] IPVS: Creating netns size=2536 id=8 RTNETLINK answers: Operation not supported 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 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 RTNETLINK answers: Operation not supported [ 27.337356] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.374534] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bridge0" is wrong: Device does not exist 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 Error: argument "bridge0" 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 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 27.527223] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.560187] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready 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 RTNETLINK answers: Operation not supported [ 27.578409] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 27.596178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.604159] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.614049] 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 RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 27.667139] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.705565] IPv6: ADDRCONF(NETDEV_UP): veth1_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 "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 RTNETLINK answers: Operation not supported [ 27.779674] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 27.804418] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 27.826613] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 27.841256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 27.850111] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.862783] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bridge0" is wrong: Device does not exist [ 27.877282] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 27.913206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 27.926946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 27.955501] 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 "bond0" is wrong: Device does not exist [ 27.997920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.009826] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 28.020097] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 28.063352] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 28.074088] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 28.081337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 28.092150] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 28.100878] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist [ 28.120548] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 28.135380] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.160356] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 28.176183] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.186659] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 28.238652] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.247432] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.262695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.272662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.281263] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 28.294189] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 28.301745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.312341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.323563] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.336926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 28.348700] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.361099] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.369270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.376979] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 28.384143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.392476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.400018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.407580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.418077] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.427173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 28.440390] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.449262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.456832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.466794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.474533] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 28.481783] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 28.489579] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 28.497429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.505939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.522164] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.534823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 28.544182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.564361] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.572084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.579590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" [ 28.643020] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: 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 "vcan0" [ 28.691229] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.714911] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.724543] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 28.747261] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.757854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.766502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.777133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 28.784562] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" [ 28.792702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.803596] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.812330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.824034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.831562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.839135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" [ 28.848186] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 28.860279] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.869403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.883849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" [ 28.891683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.899304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.910263] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 28.923971] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.935693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "gre0" RTNETLINK answers: Operation not supported [ 29.659674] ip (4981) used greatest stack depth: 24008 bytes left Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" 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 "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "ip6gretap0" [ 31.251136] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "team0" [ 31.413565] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.420361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.429369] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "erspan0" [ 31.505429] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" [ 31.554152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.576591] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" [ 31.683418] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.689735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.697103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.706697] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.715144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.721809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" [ 31.730926] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.737565] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.746430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.754572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" [ 31.849338] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.871102] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.882883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.889707] 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" [ 31.916904] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" [ 31.991707] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.019286] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.030674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 32.039464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 32.085114] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.096032] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.106222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 32.158106] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.169036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.178150] 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" executing program [ 32.478155] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 32.492173] IPVS: stopping backup sync thread 6512 ... [ 32.520783] IPVS: Unknown mcast interface: ipddp0 [ 32.527940] [ 32.529577] ============================================= [ 32.535095] [ INFO: possible recursive locking detected ] [ 32.540600] 4.9.95-gee0bcd6 #3 Not tainted [ 32.544804] --------------------------------------------- [ 32.550307] syzkaller828251/6506 is trying to acquire lock: [ 32.555983] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 32.563770] but task is already holding lock: [ 32.568405] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 32.576175] other info that might help us debug this: [ 32.581503] Possible unsafe locking scenario: [ 32.581503] [ 32.587527] CPU0 [ 32.590076] ---- [ 32.592627] lock(rtnl_mutex); [ 32.596103] lock(rtnl_mutex); [ 32.599598] [ 32.599598] *** DEADLOCK *** [ 32.599598] [ 32.605626] May be due to missing lock nesting notation [ 32.605626] [ 32.612519] 2 locks held by syzkaller828251/6506: [ 32.617329] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 32.625654] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x90d/0xbd0 [ 32.635765] [ 32.635765] stack backtrace: [ 32.640231] CPU: 1 PID: 6506 Comm: syzkaller828251 Not tainted 4.9.95-gee0bcd6 #3 [ 32.647819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.657144] ffff8801cb43f480 ffffffff81eb0f89 ffffffff8539d290 ffffffff8539d290 [ 32.665122] ffffffff8539d290 ffff8801cb71a0e8 5f009781ef91bda1 ffff8801cb43f640 [ 32.673108] ffffffff814259ef ffffffff84c98ca0 ffffffff84ff1df8 ffffffff84c98ca4 [ 32.681077] Call Trace: [ 32.683651] [] dump_stack+0xc1/0x128 [ 32.689004] [] __lock_acquire.cold.59+0x166/0x5f8 [ 32.695473] [] ? debug_check_no_locks_freed+0x210/0x210 [ 32.702463] [] ? __lock_is_held+0xa2/0xf0 [ 32.708239] [] lock_acquire+0x130/0x3e0 [ 32.713841] [] ? rtnl_lock+0x17/0x20 [ 32.719173] [] ? rtnl_lock+0x17/0x20 [ 32.724509] [] mutex_lock_nested+0xc0/0x870 [ 32.730449] [] ? rtnl_lock+0x17/0x20 [ 32.735783] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.742595] [] ? qtaguid_untag+0x41a/0x620 [ 32.748453] [] ? mutex_trylock+0x3e0/0x3e0 [ 32.754313] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 32.760514] [] ? qtaguid_untag+0x31e/0x620 [ 32.766370] [] ? __lock_is_held+0xa2/0xf0 [ 32.772143] [] rtnl_lock+0x17/0x20 [ 32.777306] [] ip_mc_drop_socket+0x8c/0x230 [ 32.783248] [] inet_release+0x5b/0x1d0 [ 32.788757] [] sock_release+0x96/0x1c0 [ 32.794271] [] start_sync_thread+0xa0e/0x1ea0 [ 32.800388] [] ? ip_vs_proc_sync_conn+0x952/0x952 [ 32.806851] [] ? ip_vs_sync_conn+0x2a90/0x2a90 [ 32.813061] [] ? mark_held_locks+0xc7/0x130 [ 32.819009] [] ? mutex_lock_nested+0x572/0x870 [ 32.825212] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.832021] [] ? mutex_lock_nested+0x596/0x870 [ 32.838224] [] ? do_ip_vs_set_ctl+0x90d/0xbd0 [ 32.844338] [] ? mutex_trylock+0x3e0/0x3e0 [ 32.850191] [] ? memcpy+0x45/0x50 [ 32.855271] [] do_ip_vs_set_ctl+0x91f/0xbd0 [ 32.861211] [] ? ip_vs_genl_set_cmd+0x9c0/0x9c0 [ 32.867499] [] ? mutex_lock_nested+0x572/0x870 [ 32.873708] [] ? __mutex_unlock_slowpath+0x221/0x3c0 [ 32.880429] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 32.886631] [] ? sock_has_perm+0x292/0x3e0 [ 32.892492] [] ? mutex_unlock+0x9/0x10 [ 32.898006] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 32.905080] [] nf_setsockopt+0x6d/0xc0 [ 32.910588] [] ip_setsockopt+0x9a/0xb0 [ 32.916093] [] tcp_setsockopt+0x88/0xe0 [ 32.921687] [] sock_common_setsockopt+0x9a/0xe0 [ 32.927975] [] SyS_setsockopt+0x166/0x260 [ 32.933745] [] ? SyS_recv+0x40/0x40 [ 32.938991] [] ? __do_page_fault+0x183/0xd50 [ 32.945033] [] ? move_addr_to_kernel+0x50/0x50 [ 32.951236] [] ? do_syscall_64+0x48/0x490 [ 32.957002] [] ? SyS_recv+0x40/0x40 [ 32.962249] [] do_syscall_64+0x1a6/0x490 [ 32.967931] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb