[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.749901] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.398577] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 24.832157] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 25.890143] random: sshd: uninitialized urandom read (32 bytes read, 118 bits of entropy available) [ 26.051853] random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available) Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. [ 31.532959] random: sshd: uninitialized urandom read (32 bytes read, 128 bits of entropy available) net.ipv6.conf.syz_tun.accept_dad = 0 [ 31.662760] IPVS: Creating netns size=2552 id=1 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 31.717864] IPVS: Creating netns size=2552 id=2 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 31.782197] IPVS: Creating netns size=2552 id=3 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported [ 31.876992] IPVS: Creating netns size=2552 id=4 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 [ 32.005611] IPVS: Creating netns size=2552 id=5 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 32.203639] IPVS: Creating netns size=2552 id=6 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 net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 32.360951] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.395825] IPVS: Creating netns size=2552 id=7 RTNETLINK answers: Operation not supported [ 32.451919] random: nonblocking pool is initialized [ 32.468768] 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 Error: argument "bridge0" is wrong: Device does not exist net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 32.638839] IPVS: Creating netns size=2552 id=8 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist [ 32.696498] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 32.796053] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bridge0" 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 net.ipv6.conf.syz_tun.accept_dad = 0 [ 32.918215] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 32.984462] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.994950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 33.094399] 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 Error: argument "team0" is wrong: Device does not exist [ 33.221844] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready 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 RTNETLINK answers: Operation not supported [ 33.327547] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 33.389320] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready RTNETLINK answers: Operation not supported 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 [ 33.456340] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 33.526163] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 33.547702] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported [ 33.580693] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 33.615659] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 33.623854] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "team0" is wrong: Device does not exist [ 33.634630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 33.649703] 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 [ 33.693711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 33.841293] 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 Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 33.942635] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 33.953281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 34.032141] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.046088] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 34.060367] 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 RTNETLINK answers: Operation not supported [ 34.135456] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 34.145177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.158014] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist [ 34.203194] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.213399] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.225276] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.234142] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 34.292767] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.391739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 34.465406] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.479673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready 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 "team0" is wrong: Device does not exist Cannot find device "bridge0" [ 34.559250] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 34.671305] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 34.686964] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Cannot find device "bridge0" Error: argument "bond0" is wrong: Device does not exist [ 34.747748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 34.767249] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 34.780126] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 34.792962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Cannot find device "bridge0" [ 34.825074] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 34.863787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "bridge0" [ 34.872932] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.886781] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.909994] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" [ 34.931911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "vcan0" [ 34.988812] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Cannot find device "bridge0" Cannot find device "bridge0" [ 35.077822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Error: argument "team0" is wrong: Device does not exist [ 35.119519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "vcan0" [ 35.206588] 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 Cannot find device "vcan0" [ 35.297495] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 35.332650] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" [ 35.358734] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 35.378422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "vcan0" [ 35.426789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" [ 35.509699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" [ 35.814978] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "bridge0" [ 35.879654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" [ 35.993826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" [ 36.071174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" 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 "ip6_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 "vcan0" Cannot find device "ip6_vti0" Cannot find device "gre0" RTNETLINK answers: Invalid argument Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "gretap0" Cannot find device "ip_vti0" 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 "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "erspan0" 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 "erspan0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument [ 38.770633] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "bond0" RTNETLINK answers: Invalid argument Cannot find device "erspan0" Cannot find device "erspan0" [ 39.018244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument [ 39.097500] 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" [ 39.180046] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "bond0" Cannot find device "bond0" [ 39.413652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.420745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "erspan0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" [ 39.587824] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" [ 39.802147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.832997] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "bond0" [ 40.112977] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.137397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.150404] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" [ 40.387792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.404415] 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" [ 40.657550] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" executing program [ 40.885311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program [ 40.933637] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 40.936947] IPVS: stopping backup sync thread 6365 ... Cannot find device "team0" executing program [ 41.009297] IPVS: stopping backup sync thread 6390 ... [ 41.014788] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program [ 41.085037] IPVS: stopping backup sync thread 6415 ... [ 41.121732] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 Cannot find device "team0" executing program [ 41.121767] IPVS: stopping backup sync thread 6424 ... executing program executing program executing program executing program Cannot find device "team0" [ 41.191444] IPVS: stopping backup sync thread 6447 ... [ 41.197565] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.200276] IPVS: stopping backup sync thread 6451 ... [ 41.212343] IPVS: stopping backup sync thread 6454 ... [ 41.224665] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program [ 41.264376] IPVS: stopping backup sync thread 6470 ... [ 41.270390] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.278952] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.279190] IPVS: stopping backup sync thread 6472 ... executing program executing program Cannot find device "team0" executing program executing program [ 41.320575] IPVS: stopping backup sync thread 6487 ... [ 41.327137] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.345519] IPVS: stopping backup sync thread 6496 ... [ 41.350838] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.354540] IPVS: stopping backup sync thread 6498 ... executing program executing program executing program [ 41.388313] IPVS: stopping backup sync thread 6511 ... [ 41.388592] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.406843] IPVS: stopping backup sync thread 6515 ... executing program [ 41.444934] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.445201] IPVS: stopping backup sync thread 6531 ... [ 41.449113] IPVS: stopping backup sync thread 6533 ... [ 41.484647] IPVS: stopping backup sync thread 6545 ... executing program executing program executing program [ 41.487005] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.494442] IPVS: stopping backup sync thread 6547 ... executing program executing program executing program [ 41.542358] IPVS: stopping backup sync thread 6559 ... [ 41.554863] IPVS: stopping backup sync thread 6570 ... [ 41.558236] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.570042] IPVS: stopping backup sync thread 6574 ... [ 41.576938] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program [ 41.576991] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.578123] IPVS: stopping backup sync thread 6578 ... [ 41.601048] IPVS: stopping backup sync thread 6584 ... [ 41.604754] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.615840] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program executing program [ 41.644829] IPVS: stopping backup sync thread 6598 ... [ 41.661800] IPVS: stopping backup sync thread 6602 ... [ 41.667708] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.674664] IPVS: stopping backup sync thread 6587 ... [ 41.682829] IPVS: stopping backup sync thread 6607 ... executing program executing program executing program executing program executing program [ 41.703738] IPVS: stopping backup sync thread 6617 ... [ 41.716311] IPVS: stopping backup sync thread 6622 ... [ 41.724104] IPVS: stopping backup sync thread 6626 ... executing program executing program [ 41.755443] IPVS: stopping backup sync thread 6637 ... [ 41.760862] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.776918] IPVS: stopping backup sync thread 6640 ... [ 41.778014] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.785284] IPVS: stopping backup sync thread 6645 ... [ 41.792558] IPVS: stopping backup sync thread 6649 ... executing program executing program executing program [ 41.809972] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.828780] IPVS: stopping backup sync thread 6661 ... [ 41.831055] IPVS: stopping backup sync thread 6655 ... [ 41.848204] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 executing program executing program executing program [ 41.850996] IPVS: stopping backup sync thread 6671 ... executing program executing program executing program [ 41.905672] IPVS: stopping backup sync thread 6689 ... [ 41.915513] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.918224] IPVS: stopping backup sync thread 6693 ... [ 41.920461] IPVS: stopping backup sync thread 6698 ... [ 41.942554] IPVS: stopping backup sync thread 6702 ... executing program executing program executing program executing program [ 41.948413] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.955440] IPVS: stopping backup sync thread 6708 ... [ 41.974974] IPVS: stopping backup sync thread 6713 ... [ 41.980515] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 41.985275] IPVS: stopping backup sync thread 6717 ... executing program executing program executing program [ 42.014898] IPVS: stopping backup sync thread 6727 ... [ 42.019951] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.029328] IPVS: stopping backup sync thread 6733 ... [ 42.038549] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.044617] IPVS: stopping backup sync thread 6737 ... [ 42.058416] IPVS: stopping backup sync thread 6741 ... executing program executing program executing program executing program executing program [ 42.076084] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.097491] IPVS: stopping backup sync thread 6755 ... [ 42.103053] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.112214] IPVS: stopping backup sync thread 6759 ... executing program [ 42.134272] IPVS: stopping backup sync thread 6763 ... executing program executing program executing program [ 42.171378] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.185774] IPVS: stopping backup sync thread 6778 ... [ 42.193886] IPVS: stopping backup sync thread 6781 ... [ 42.193895] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0 [ 42.210141] IPVS: stopping backup sync thread 6789 ... [ 42.210729] executing program [ 42.210731] ============================================= [ 42.210732] [ INFO: possible recursive locking detected ] [ 42.210736] 4.4.129-g23eaecc #27 Not tainted [ 42.210738] --------------------------------------------- [ 42.210741] syz-executor600/6769 is trying to acquire lock: [ 42.210760] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 42.210761] [ 42.210761] but task is already holding lock: [ 42.210771] (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 42.210773] [ 42.210773] other info that might help us debug this: [ 42.210775] Possible unsafe locking scenario: [ 42.210775] [ 42.210776] CPU0 [ 42.210777] ---- [ 42.210780] lock(rtnl_mutex); [ 42.210783] lock(rtnl_mutex); [ 42.210785] [ 42.210785] *** DEADLOCK *** [ 42.210785] [ 42.210786] May be due to missing lock nesting notation [ 42.210786] [ 42.210790] 2 locks held by syz-executor600/6769: [ 42.210801] #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 42.210815] #1: (ipvs->sync_mutex){+.+.+.}, at: [] do_ip_vs_set_ctl+0x8e0/0xb70 [ 42.210817] [ 42.210817] stack backtrace: [ 42.210823] CPU: 0 PID: 6769 Comm: syz-executor600 Not tainted 4.4.129-g23eaecc #27 [ 42.210826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.210835] 0000000000000000 3b6561b52eb8ce13 ffff8801cfd574f0 ffffffff81e0dc8d [ 42.210843] ffffffff8539cdf0 ffffffff8539cdf0 ffffffff8539cdf0 ffff8800b09e3900 [ 42.210850] 00000002d47520b5 ffff8801cfd57698 ffffffff8140fb11 ffffffff8574ac80 [ 42.210852] Call Trace: [ 42.210860] [] dump_stack+0xc1/0x124 [ 42.210869] [] __lock_acquire.cold.58+0x154/0x58a [ 42.210879] [] ? add_lock_to_list.isra.27.constprop.41+0x140/0x1c0 [ 42.210887] [] ? debug_check_no_locks_freed+0x210/0x210 [ 42.210894] [] ? debug_check_no_locks_freed+0x210/0x210 [ 42.210901] [] ? __lock_is_held+0xa2/0xf0 [ 42.210908] [] lock_acquire+0x15e/0x450 [ 42.210914] [] ? rtnl_lock+0x17/0x20 [ 42.210920] [] ? rtnl_lock+0x17/0x20 [ 42.210928] [] mutex_lock_nested+0xbb/0x850 [ 42.210934] [] ? rtnl_lock+0x17/0x20 [ 42.210941] [] ? qtaguid_untag+0x41f/0x620 [ 42.210947] [] ? mutex_lock_killable_nested+0x980/0x980 [ 42.210954] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 42.210960] [] ? qtaguid_untag+0x323/0x620 [ 42.210967] [] ? __lock_is_held+0xa2/0xf0 [ 42.210973] [] rtnl_lock+0x17/0x20 [ 42.210981] [] ip_mc_drop_socket+0x8c/0x230 [ 42.210988] [] inet_release+0x5b/0x1d0 [ 42.210996] [] sock_release+0x96/0x1c0 [ 42.211003] [] start_sync_thread+0xa18/0x1ed0 [ 42.211011] [] ? finish_task_switch+0x27c/0x4e0 [ 42.211017] [] ? finish_task_switch+0x1bb/0x4e0 [ 42.211026] [] ? ip_vs_proc_sync_conn+0x827/0x827 [ 42.211033] [] ? ip_vs_sync_conn+0x27b0/0x27b0 [ 42.211040] [] ? mark_held_locks+0xc7/0x130 [ 42.211046] [] ? mutex_lock_nested+0x54e/0x850 [ 42.211053] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.211060] [] ? mutex_lock_nested+0x574/0x850 [ 42.211065] [] ? do_ip_vs_set_ctl+0x8e0/0xb70 [ 42.211072] [] ? mutex_lock_killable_nested+0x980/0x980 [ 42.211080] [] ? memcpy+0x45/0x50 [ 42.211086] [] do_ip_vs_set_ctl+0x8f2/0xb70 [ 42.211093] [] ? ip_vs_genl_set_cmd+0x970/0x970 [ 42.211100] [] ? debug_check_no_locks_freed+0x210/0x210 [ 42.211106] [] ? mutex_lock_nested+0x54e/0x850 [ 42.211113] [] ? __mutex_unlock_slowpath+0x209/0x3b0 [ 42.211119] [] ? __ww_mutex_lock+0x14c0/0x14c0 [ 42.211128] [] ? sock_has_perm+0x29f/0x400 [ 42.211134] [] ? mutex_unlock+0x9/0x10 [ 42.211141] [] nf_setsockopt+0x6d/0xc0 [ 42.211148] [] ip_setsockopt+0x9a/0xb0 [ 42.211155] [] tcp_setsockopt+0x88/0xe0 [ 42.211163] [] sock_common_setsockopt+0x9a/0xe0 [ 42.211170] [] SyS_setsockopt+0x166/0x260 [ 42.211177] [] ? vmacache_update+0xfe/0x130 [ 42.211184] [] ? SyS_recv+0x40/0x40 [ 42.211190] [] ? retint_user+0x18/0x3c [ 42.211198] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 42.211205] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 42.226808] IPVS: sync thread started: state = BACKUP, mcast_ifn = lo, syncid = 0, id = 0