[....] 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[ 32.154127] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.848439] random: sshd: uninitialized urandom read (32 bytes read) [ 36.339973] random: sshd: uninitialized urandom read (32 bytes read) [ 37.739840] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. [ 43.301213] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/12 13:54:01 fuzzer started 2018/05/12 13:54:01 dialing manager at 10.128.0.26:41643 [ 65.914260] can: request_module (can-proto-0) failed. [ 65.924998] can: request_module (can-proto-0) failed. 2018/05/12 13:54:25 kcov=true, comps=false 2018/05/12 13:54:30 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r1, &(0x7f0000498000)={&(0x7f0000000300)={0x10}, 0xc, &(0x7f000024dff0)={&(0x7f0000000040)={0x28, 0x2, 0x1, 0x800000001, 0x0, 0x0, {}, [@typed={0x14, 0x12, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}]}, 0x28}, 0x1}, 0x0) 2018/05/12 13:54:30 executing program 2: r0 = socket$inet6(0xa, 0x2000000000001, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000687000)=0x100009, 0x4) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000903ff8)=@fragment, 0x8) setsockopt$inet6_int(r0, 0x29, 0x2, &(0x7f0000000000)=0x800000002, 0x4) bind$inet6(r0, &(0x7f0000402000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000000100), 0x0, 0x20000000, &(0x7f0000f62fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/05/12 13:54:30 executing program 7: open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x72, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000100)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x11, &(0x7f0000000bc0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) 2018/05/12 13:54:30 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:30 executing program 4: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4b, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r0, 0x0, 0x200000000000043, &(0x7f0000000040)=""/30, &(0x7f0000787000)=0x1e) 2018/05/12 13:54:30 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:54:30 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:30 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x72, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000100)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sched_setaffinity(0x0, 0x7, &(0x7f00000000c0)=0x9) creat(&(0x7f0000000100)="131377c5fc35d41454d5d41d29ad1a6029598146e6be166e41ad0dbd4054033c9f33bbda8224a2f3d772e7636e48b33cbf708372e8f1b9933ec5127743be2206209ef02df9cbf2f6e880d3382f00", 0x0) [ 72.868303] IPVS: ftp: loaded support on port[0] = 21 [ 72.899584] IPVS: ftp: loaded support on port[0] = 21 [ 72.912913] IPVS: ftp: loaded support on port[0] = 21 [ 72.930965] IPVS: ftp: loaded support on port[0] = 21 [ 72.938783] IPVS: ftp: loaded support on port[0] = 21 [ 72.959486] IPVS: ftp: loaded support on port[0] = 21 [ 72.961940] IPVS: ftp: loaded support on port[0] = 21 [ 73.003523] IPVS: ftp: loaded support on port[0] = 21 [ 74.637574] ip (4714) used greatest stack depth: 54392 bytes left [ 75.349009] ip (4766) used greatest stack depth: 54088 bytes left [ 76.359169] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.365659] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.415430] device bridge_slave_0 entered promiscuous mode [ 76.473128] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.479606] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.522197] device bridge_slave_0 entered promiscuous mode [ 76.545350] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.551806] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.580799] device bridge_slave_0 entered promiscuous mode [ 76.602757] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.609195] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.619851] device bridge_slave_0 entered promiscuous mode [ 76.642531] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.648989] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.663589] device bridge_slave_0 entered promiscuous mode [ 76.672547] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.678975] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.700417] device bridge_slave_0 entered promiscuous mode [ 76.719536] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.726011] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.746243] device bridge_slave_0 entered promiscuous mode [ 76.758776] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.765205] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.781602] device bridge_slave_0 entered promiscuous mode [ 76.790188] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.796620] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.814160] device bridge_slave_1 entered promiscuous mode [ 76.835171] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.841604] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.864947] device bridge_slave_1 entered promiscuous mode [ 76.876666] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.883153] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.898516] device bridge_slave_1 entered promiscuous mode [ 76.914199] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.920659] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.944723] device bridge_slave_1 entered promiscuous mode [ 76.952952] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.959434] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.971706] device bridge_slave_1 entered promiscuous mode [ 76.982965] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.989439] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.004641] device bridge_slave_1 entered promiscuous mode [ 77.018711] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.028341] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.034795] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.054789] device bridge_slave_1 entered promiscuous mode [ 77.072883] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.079416] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.111854] device bridge_slave_1 entered promiscuous mode [ 77.119564] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.134362] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.142139] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.159325] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.173729] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.181962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.273212] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.319607] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.338625] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.347086] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.366774] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.380376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.391780] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.494835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.575162] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.858393] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.955121] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.993541] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.015384] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.065216] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.080004] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.132313] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.203829] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.218486] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.228598] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.237932] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.286545] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.299881] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.321731] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.410510] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.417490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.459913] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.467007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.485877] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.496828] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.506332] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.536519] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.549435] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.556404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.566706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.574265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.601209] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.610103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.632490] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.639421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.694545] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.701557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.739490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.746497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.778708] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.797359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.818431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 78.850668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.866313] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.878838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.921986] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 78.929171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.025386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 79.032658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.065476] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 79.072887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.250320] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.274009] team0: Port device team_slave_0 added [ 79.302083] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.325988] team0: Port device team_slave_0 added [ 79.361892] ip (5041) used greatest stack depth: 53784 bytes left [ 79.409243] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.422666] team0: Port device team_slave_0 added [ 79.443879] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.473020] team0: Port device team_slave_0 added [ 79.519148] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.542170] team0: Port device team_slave_1 added [ 79.563702] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.581158] team0: Port device team_slave_0 added [ 79.597125] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.626899] team0: Port device team_slave_0 added [ 79.647501] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.669278] team0: Port device team_slave_1 added [ 79.688253] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.706511] team0: Port device team_slave_1 added [ 79.724938] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.738114] team0: Port device team_slave_1 added [ 79.750549] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.761950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.778485] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.804393] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.817387] team0: Port device team_slave_1 added [ 79.839477] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 79.850994] team0: Port device team_slave_1 added [ 79.881944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.890752] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.898784] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 79.911525] team0: Port device team_slave_0 added [ 79.940337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.968343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.994691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.007997] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.016693] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.023759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.031923] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.041997] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 80.050628] team0: Port device team_slave_0 added [ 80.065414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.080762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.089676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.108600] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.120106] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 80.140166] team0: Port device team_slave_1 added [ 80.157131] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.166083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.186279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.209588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.227290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.249509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.257526] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.268303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.285078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.292908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.302249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.313555] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 80.322762] team0: Port device team_slave_1 added [ 80.346209] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.353745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.367865] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.395694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.403906] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.412348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.419270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.449615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.473159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.494199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.507594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.520926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.531104] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.538460] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.547617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.561770] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.569199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.586702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.606291] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.614160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.631459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.655257] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.664171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.675619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.704724] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.713631] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.722499] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.732802] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.741448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 80.751816] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 80.781764] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 80.789271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.806543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.846738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.880253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.912581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.935203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.944122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.952282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.960240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.968327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.976276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.984417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.992428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.000464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.026767] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.038135] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.045510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.068399] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.084178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.098270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.110713] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 81.119155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.128077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.137874] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.146396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.155430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.190943] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.198672] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.216353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.239077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.272706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.309148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.344975] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 81.360257] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.381417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.623734] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 81.631673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.662823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.321390] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.327891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.334790] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.341476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.391790] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.398356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.434292] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.440757] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.447603] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.454097] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.491334] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.509972] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.516465] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.523355] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.529871] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.595515] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.604482] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.610942] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.617774] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.624253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.638438] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.652948] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.659412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.666256] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.672705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.688072] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.707851] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.714315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.721200] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.727646] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.773141] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 83.791704] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.798187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.805113] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.811577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.853174] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 84.131949] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.138436] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.145330] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.151809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.223383] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 84.463393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.472393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.498769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.515238] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.528794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.544846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.560986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.022542] random: crng init done [ 91.956219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.224878] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.300793] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.401662] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.501191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.626600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.773634] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.807805] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.036886] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.095768] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.119152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.184817] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.286286] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.485204] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.580894] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.640546] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 93.646811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.665254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.834987] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 93.841271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.849450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.929439] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 93.935753] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.951877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.986834] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 94.005998] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 94.014775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.027928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.120175] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 94.126470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.137849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.389086] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 94.395371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.404657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.442131] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.461691] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 94.472444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.498193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.643606] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.883479] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.912563] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.954285] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.991764] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 94.998103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.016884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.176534] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.272815] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.841714] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.368960] netlink: 'syz-executor0': attribute type 18 has an invalid length. [ 99.723701] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 99.800789] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:54:58 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000004000), &(0x7f0000004000)=0xc) 2018/05/12 13:54:58 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r1, &(0x7f0000d65000)={&(0x7f0000f0f000)={0x10}, 0xc, &(0x7f0000023000)={&(0x7f0000000140)={0x14, 0x7, 0x6, 0x1}, 0x14}, 0x1}, 0x0) 2018/05/12 13:54:58 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:54:58 executing program 4: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") mmap(&(0x7f0000000000/0x709000)=nil, 0x709000, 0x2, 0x44031, 0xffffffffffffffff, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) 2018/05/12 13:54:58 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:58 executing program 2: r0 = socket$inet6(0xa, 0x2000000000001, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000687000)=0x100009, 0x4) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000903ff8)=@fragment, 0x8) setsockopt$inet6_int(r0, 0x29, 0x2, &(0x7f0000000000)=0x800000002, 0x4) bind$inet6(r0, &(0x7f0000402000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000000100), 0x0, 0x20000000, &(0x7f0000f62fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 100.386047] hrtimer: interrupt took 220158 ns 2018/05/12 13:54:58 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:54:58 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) [ 100.461620] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:54:58 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:58 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='net/fib_triestat\x00') 2018/05/12 13:54:58 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000080)=0x6, 0x34f) sendto$inet6(r0, &(0x7f00000000c0)="0401000000c000ddb8460900ffb25b4202938207d9033780398d5375c5f73f939029298d7535350cd5a1f575903376b15cddc7d0c6a722a59a7a033b970720a4202a2bb404e1b500000000c3cfaeba524830be0ea863d5d43591a29bb1c84308000000000000000000000000", 0x6c, 0x0, &(0x7f0000000040)={0xa, 0x200000800, 0x2000000000c, @local={0xfe, 0x80, [], 0xaa}}, 0x1c) 2018/05/12 13:54:58 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 100.638794] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 100.851880] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:54:58 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:58 executing program 7: mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x8000000000031, 0xffffffffffffffff, 0x0) pause() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000380)=[{&(0x7f0000000440)=@abs, 0x6e, &(0x7f00000016c0)=[{&(0x7f00000004c0)="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", 0xf47}], 0x1, &(0x7f0000001700)}], 0x1, 0x0) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_elf32(r1, &(0x7f0000001440)=ANY=[@ANYBLOB="ff454c46000011623e4f8265371a6fae1c906a937aa34bf60bed0b462b4e250e16101ed091aa32f7ba5770f8ef22148a5d5e56790200f300000000ff9464105be90000000000000000000000000038606cadb3b0fda2faecbb7ae0efe9c7db7a7ba8faa08d15aff6010021d9816b6cd973719e3b2824c3034d176c0488ffdbf14934ab45366b50361ca0dc"], 0x8b) readv(r0, &(0x7f0000c9e000)=[{&(0x7f0000c25f19)=""/231, 0xe7}], 0x1) r2 = getpid() process_vm_readv(r2, &(0x7f0000001400), 0x1, &(0x7f0000000000)=[{&(0x7f0000000040)=""/204, 0xd7e1e1d24b36aac5}, {&(0x7f0000002880)=""/183, 0x3d1}], 0x2, 0x0) 2018/05/12 13:54:58 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:58 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:54:58 executing program 2: r0 = socket$inet(0x10, 0x3, 0xc) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) sendmsg(r0, &(0x7f0000011fc8)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000002000)="24000000100007031dfffd946fa2830020200a0009000300001d85680c1ba3a20400ff7e280000001100ffffba16a0aa1c0009b356da5a80d18bec4c8546c8243929db2406b20cd37ed01cc0", 0x4c}], 0x1}, 0x0) 2018/05/12 13:54:58 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:54:58 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 100.985273] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:54:59 executing program 5: socket(0xa, 0x1, 0x0) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:59 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:54:59 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:59 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:54:59 executing program 2: r0 = socket$inet(0x10, 0x3, 0xc) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) sendmsg(r0, &(0x7f0000011fc8)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000002000)="24000000100007031dfffd946fa2830020200a0009000300001d85680c1ba3a20400ff7e280000001100ffffba16a0aa1c0009b356da5a80d18bec4c8546c8243929db2406b20cd37ed01cc0", 0x4c}], 0x1}, 0x0) 2018/05/12 13:54:59 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 101.158805] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:54:59 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:54:59 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0xa, 0x2, 0x0) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 101.326831] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 101.450633] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:54:59 executing program 5: socket(0xa, 0x1, 0x0) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:54:59 executing program 7: mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000001c0)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000013000/0x4000)=nil, 0x4000}, 0x1}) r1 = socket(0xa, 0x1, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000280)={'team0\x00', {0x2, 0x4e23, @multicast1=0xe0000001}}) syz_open_dev$ndb(&(0x7f0000000200)='/dev/nbd#\x00', 0x0, 0x210001) ioctl(r1, 0x101, &(0x7f0000000040)) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") connect$bt_rfcomm(r1, &(0x7f0000000140)={0x1f, {0x121, 0x9ac2, 0x0, 0x0, 0x6, 0x9}, 0x101}, 0xa) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x0, 0x0) ioctl$EVIOCSABS0(r3, 0x401845c0, &(0x7f0000000100)={0x8, 0x7, 0xffffffffffffff01, 0x6, 0x79f5, 0x1f}) ioctl$TIOCGSID(r3, 0x5429, &(0x7f0000000180)=0x0) fcntl$lock(r2, 0x26, &(0x7f0000013000)={0x0, 0x0, 0x3, 0x0, r4}) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000012000/0x4000)=nil, 0x4000}) dup2(r2, r0) 2018/05/12 13:54:59 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:54:59 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:54:59 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:54:59 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(0xffffffffffffffff, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:54:59 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:54:59 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0xa, 0x2, 0x0) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 101.982091] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:00 executing program 5: socket(0xa, 0x1, 0x0) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:00 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) dup3(0xffffffffffffffff, r2, 0x0) 2018/05/12 13:55:00 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(0xffffffffffffffff, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(0xffffffffffffffff, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:00 executing program 6: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) [ 102.052143] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:00 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:00 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:00 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0xa, 0x2, 0x0) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 102.241459] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 102.428234] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:00 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:00 executing program 0: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:00 executing program 6: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:00 executing program 1: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:00 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:00 executing program 7: r0 = semget$private(0x0, 0x20000000104, 0x0) semtimedop(r0, &(0x7f0000000000)=[{0x4, 0x7ffd}, {0x0, 0x8091}], 0x2, &(0x7f0000034000)={0x77359400}) syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4b, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(0xffffffffffffffff, 0x0, &(0x7f000097e000)) semop(r0, &(0x7f0000035000)=[{0x4, 0x5}], 0x1) nanosleep(&(0x7f00000000c0), 0x0) 2018/05/12 13:55:00 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:00 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 102.863262] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:00 executing program 1: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:00 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:00 executing program 6: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:00 executing program 0: socket$l2tp(0x18, 0x1, 0x1) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 102.950688] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:01 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000), 0x0) 2018/05/12 13:55:01 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 103.195916] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:01 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:01 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:01 executing program 1: socket(0xa, 0x1, 0x0) r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:01 executing program 0: socket$l2tp(0x18, 0x1, 0x1) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:01 executing program 6: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:01 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000), 0x0) 2018/05/12 13:55:01 executing program 7: pause() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000380)=[{&(0x7f0000000440)=@abs, 0x6e, &(0x7f00000016c0)=[{&(0x7f00000004c0)="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", 0xf47}], 0x1, &(0x7f0000001700)}], 0x1, 0x0) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_elf32(r1, &(0x7f0000001440)=ANY=[@ANYBLOB="ff454c46000011623e4f8265371a6fae1c906a937aa34bf60b"], 0x19) readv(r0, &(0x7f0000c9e000)=[{&(0x7f0000c25f19)=""/231, 0xe7}], 0x1) r2 = getpid() process_vm_readv(r2, &(0x7f0000001400), 0x1, &(0x7f0000000000)=[{&(0x7f0000000040)=""/204, 0xd7e1e1d24b36aac5}, {&(0x7f0000002880)=""/183, 0x3d1}], 0x2, 0x0) 2018/05/12 13:55:01 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:01 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:01 executing program 6: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:01 executing program 1: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:01 executing program 0: socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) 2018/05/12 13:55:01 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:01 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000), 0x0) [ 103.862447] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:02 executing program 3: socket(0xa, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:02 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:02 executing program 0: socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) 2018/05/12 13:55:02 executing program 6: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:02 executing program 1: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:02 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:02 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) dup3(0xffffffffffffffff, r2, 0x0) 2018/05/12 13:55:02 executing program 7: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4b, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x66, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff}, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0xffffffffffffffff, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000], 0x1}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x223], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3, 0x0, 0x0, 0x4], 0x1}, @mcast2={0xff, 0x2, [], 0x1}}}}}}}}, 0x0) 2018/05/12 13:55:02 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(0xffffffffffffffff, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:02 executing program 3: socket(0xa, 0x0, 0x0) r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:03 executing program 4: socket(0x800000000000a, 0x1, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 104.987980] futex_atomic_op_inuser: 1 callbacks suppressed [ 104.987998] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:03 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) dup3(0xffffffffffffffff, r2, 0x0) 2018/05/12 13:55:03 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:03 executing program 0: socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) 2018/05/12 13:55:03 executing program 6: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:03 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:03 executing program 1: ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r0, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) [ 105.138811] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:03 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) [ 105.381848] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:03 executing program 0: socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) 2018/05/12 13:55:03 executing program 4: socket(0x800000000000a, 0x1, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:03 executing program 1: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:03 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) dup3(0xffffffffffffffff, r2, 0x0) 2018/05/12 13:55:03 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:03 executing program 6: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:03 executing program 3: r0 = socket(0x0, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:03 executing program 5: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) [ 105.491367] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:03 executing program 0: socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) 2018/05/12 13:55:03 executing program 1: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) [ 105.589021] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:03 executing program 2: socket$l2tp(0x18, 0x1, 0x1) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:03 executing program 6: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:03 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:03 executing program 4: socket(0x800000000000a, 0x1, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:03 executing program 5: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:03 executing program 3: r0 = socket(0x0, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:03 executing program 0: socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r1, r0, 0x0) [ 105.831239] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:03 executing program 2: socket$l2tp(0x18, 0x1, 0x1) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 105.944152] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:04 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:04 executing program 1: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:04 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:04 executing program 4: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:04 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:04 executing program 5: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:04 executing program 3: r0 = socket(0x0, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:04 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) process_vm_readv(0x0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:04 executing program 1: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:04 executing program 2: socket$l2tp(0x18, 0x1, 0x1) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 106.261917] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 106.342344] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:04 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:04 executing program 0: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:04 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(0xffffffffffffffff, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:04 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:04 executing program 3: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:04 executing program 4: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 106.608298] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 106.685749] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:04 executing program 1: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:04 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:04 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:04 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(0xffffffffffffffff, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:04 executing program 0: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:04 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:04 executing program 3: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:04 executing program 4: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r0, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 106.866457] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:04 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:04 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:04 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(0xffffffffffffffff, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:04 executing program 0: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:05 executing program 7: socket(0xa, 0x1, 0x0) r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) [ 107.020154] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:05 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:05 executing program 4: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:05 executing program 3: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:05 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:05 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:05 executing program 0: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 107.274804] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 107.438880] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:05 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:05 executing program 7: socket(0xa, 0x1, 0x0) r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:05 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:05 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:05 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:05 executing program 4: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:05 executing program 0: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:05 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:05 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) [ 107.610774] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 107.640540] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:05 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:05 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:05 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) socket(0xa, 0x1, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:05 executing program 7: socket(0xa, 0x1, 0x0) r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:06 executing program 0: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:06 executing program 4: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:06 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:06 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:06 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:06 executing program 7: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:06 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 108.079429] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 108.103370] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:06 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:06 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:06 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:06 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 7: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:06 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:06 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 4: r0 = socket(0x800000000000a, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:06 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:06 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:06 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:06 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:06 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 7: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = getpid() process_vm_readv(r0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:06 executing program 4: r0 = socket(0x800000000000a, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:06 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) [ 108.609101] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:06 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:06 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:06 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:06 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:06 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:06 executing program 7: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) [ 108.847538] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:07 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:07 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:07 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:07 executing program 4: r0 = socket(0x800000000000a, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:07 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:07 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:07 executing program 7: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:07 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:07 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:07 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012c") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:07 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)) r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 109.344538] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:07 executing program 7: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:07 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:07 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:07 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:07 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012c") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) [ 109.637890] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:07 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0x0, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:07 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:07 executing program 7: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:07 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:07 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012c") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:07 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:07 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 109.956321] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:08 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:08 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:08 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:08 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0x0, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:08 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:08 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:08 executing program 7: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) [ 110.202416] futex_atomic_op_inuser: 6 callbacks suppressed [ 110.202436] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 110.244526] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:08 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012c") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:08 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:08 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0x0, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:08 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:08 executing program 7: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:08 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:08 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:08 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:08 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012c") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:08 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) [ 110.535391] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 110.570163] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:08 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x0, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:08 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:08 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:08 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:08 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:08 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x0, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:08 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:08 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x0, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 110.961409] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 110.987403] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:09 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:09 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:09 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:09 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:09 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x0, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:09 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x0, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 111.242617] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:09 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf6") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:09 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 111.458971] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:09 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:09 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") shmctl$SHM_INFO(0x0, 0xe, &(0x7f00000000c0)=""/113) 2018/05/12 13:55:09 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:09 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:09 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:09 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x0, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:09 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 111.610277] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:09 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x0, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:09 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f00000001c0)='./file1\x00', 0x0) r2 = dup3(r1, r0, 0x0) pwritev(r1, &(0x7f00000012c0)=[{&(0x7f00000006c0)='l', 0x1}], 0x1, 0x200800) writev(r2, &(0x7f0000000180)=[{&(0x7f0000001300)="a0fc3bc9", 0x4}], 0x1) fsync(r2) [ 111.673235] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:09 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:09 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:09 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:09 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x0, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:09 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:09 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x0, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:09 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:09 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 112.029193] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 112.052451] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:10 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:10 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:10 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:10 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x0, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:10 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) 2018/05/12 13:55:10 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:10 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:10 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x0, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, r1, 0x0) [ 112.357109] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 112.466791] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:10 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x0, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:10 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:10 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:10 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:10 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(0xffffffffffffffff, r1, 0x0) 2018/05/12 13:55:10 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:10 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x0, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) [ 112.650319] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 112.661891] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$l2tp(0x18, 0x1, 0x1) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r2, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:10 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:10 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:10 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:10 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:10 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:10 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:10 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 112.960477] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program 2018/05/12 13:55:11 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(0xffffffffffffffff, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) [ 113.002522] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:11 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(0xffffffffffffffff, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:11 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x0, &(0x7f0000000000)="c626262c8523bf012cf66f") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:11 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") sendto$inet6(0xffffffffffffffff, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:11 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:11 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:11 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240), 0x0, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:11 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 113.234774] futex_wake_op: syz-executor3 tries to shift op by 791; fix this program [ 113.260636] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:11 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240), 0x0, 0x0, 0x0, 0x0) 2018/05/12 13:55:11 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x0, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0xb2317d08) 2018/05/12 13:55:11 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:11 executing program 5: socket(0xa, 0x1, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:11 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(0xffffffffffffffff, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x1fffffffffd, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:11 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:11 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012c") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) [ 113.561616] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:11 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0x0) 2018/05/12 13:55:11 executing program 5: socket(0xa, 0x1, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:11 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:11 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x0, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:11 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012c") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:11 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:11 executing program 5: socket(0xa, 0x1, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:11 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x0, 0x0, 0x85dfe948684ce28a) [ 113.761207] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:11 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:11 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:11 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0x0) 2018/05/12 13:55:11 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012c") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:11 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) recvfrom$inet6(r1, &(0x7f0000000080)=""/24, 0xfffffffffffffec6, 0x0, 0x0, 0x85dfe948684ce28a) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) [ 114.015339] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:12 executing program 3: r0 = socket(0xa, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") futex(&(0x7f000036bffc), 0x5, 0x0, &(0x7f000011e000), &(0x7f0000000000), 0x0) 2018/05/12 13:55:12 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="51e251578851f74182a74b89b27df427aeef44966d202e4138b5a18e75a0424e7fe93b0d32c7abba87b65f97aba1c26a06b6d94c4aefd8fdca10e744391062c8e602721c20051608d9aa6dacf61e1eb331a4daad402b9885599d56130f7149fb1111fa116e94324d585a0569fbd311dad54cb4e32ff7f02216844ef42eeb66c3d526c878d5135ad1c9262239339c18885e2a0a95854d6cde3dd2feeaa50216af6c5760923413af81199a65a6332b02ec7bbf79d557c033cbe032fdc44f66a5c59cc4a3c5d218f5896b359d1efd60baf98df6396567478f7b817ce6e11d59a7def452a0e1d0607f57f626a5b8d476636ef1ee76307524cf9ae49be4db0ab2c8ea0c5ebd1e80fed632155e14da1f7324d97bc61a3c1edc4431ee8a6caa2ed9f85cea5a2a9b263630c7d6fc35dda6002da571a2e51917e7c1019d8ce21a608147e408cc4c7c5f444fab931bda86d977d7c9ccefd881e5ef05b287f41eea526862885881c2cdc687dff02ba9b70a9b08734ac4d62c7f34465c34aa9e9f136c7f796d9eea41aa37f61830508338bb1f887089070567a1dd96cd700e7a098dabedb60f31acd17d487bc8be1a3101d2b5ac1715003793596c6daa93a27f4adb4d6fbea5669c24c206c944317ea18a2c762457f1bc945fec8f849641d44e7e2a24faeee28f3f266395fe18b0dce20c1f64e8896c8ff0e4a44a116fb32462471a0fcde143e551723d57339722765673b4163d66f473ac10f988cb25c89074fcb1bba20c41bddd9ca5cd2f106632f9884a47866d284b4efc6bb1aa74ed48d4a6535795f0873a99907ebc22be2337364cf9acc063e32f7d2ebdfad64d04aa405d2dbdee1128ab1e4761d2dd30885ad37dd168478f10789d172feef4c817a5cd372caade57f23300e45f47e001e3ea09364ab42ee9802477368b9910f4e24037c871cb8251568c792287a6f49fa61b7c2600accaa0e7b40c5912a9e100225c70441144ffa82927fa4802ed9ebb03eea8e945af5f4993f21a7f53baf7ec5bb6cc96b917dde82c18840c3500e9565f68f687b1c73d834c0d99d4acb002dc5682dbcdb1217a98f6c3ef8318b7fa93894e8a097b4511ba5c035e27c9fe8bfe7754741ac21bbc0303b81672e3117e5590fe2d92f912759b9937f64204ec5caa92e218daa5a3ef64617beb30cccb31016b13ed8d7bcabb03e176b1c906a38cbda3bf1c1256ab74ab6f42ed9bafbbd0096263be1a7da1e1c88deec55a653d170e1e13c77dacaa60a37a6ba2383e661ebc9f13dbaade2dd884c9951819fb4608e19e70cd2496ccfb12f24c71f496cfe9bc88fe1bbea1e9a24b1d4664fb0776aca6269b396779680e52f86877d9209988d12ccb137be01ab7496d00547a7d4849d365a18dbb55c429cde87d33c4b74ad2273cdfee88b5418866ef327f25e9cbcd5a64d97184339f7e4cb5f8de171d2779c0f68884ae835e398f982d5749f085628d3608986656ea04b721f828202e9342bd7d19dfa091e772aebf9718030167a8c029df7c58b7f400582bd95e5ad802050d8775ef373e8e2c5bf3525f907add3be426cd5a079c49abffe933e9ee213a3baf34f932d1299312691e1c53e6247ae0989ad66070d51fad22856a8b6b28954e7d41189b11c5321789eec8670de9e8db0b0473ba2e02731e60be632697d61e052c18d4bcc6d1572fdf426f7b2fee6c1dee66c85c497b90facaf63b8ec5cde4a73400f9180bcfc0f81eca9580a7c81462a077f9034026bf72aa7c6de4b3c15d4a2dbd6fd7d87084aea9f25fb4bf5ec83eb56874a760533792dff2695407ccdd6a7375e0007230fd3f6501c152f1c1ff279b1d67cc95f2820762b7927659368e41657bdef2dd15b63498a93b787bdb26809d734aaf98b86fcf9fc643a34d03ebbe072820662d20f4774d66c5ae0a0adade5b8f6242a059b926221ee3d677487471c432b0d6d64dad030703475bb3ecac39b204a814f5ece5961621358e36f8a2cf7196c76959824bbb475a7cad8f57853fe05f59f341b5b4967904daf833d91ae9461ef10036f8be", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf6") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) [ 114.294809] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:12 executing program 5: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:12 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf6") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) [ 114.472489] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:12 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf6") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) [ 114.635492] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:12 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:12 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa}, 0x1c) listen(r2, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:12 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(0x0, &(0x7f0000000040)=[{&(0x7f00005bdf5a)=""/166, 0x2e}], 0x1, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0xfffffe90}], 0x8a, 0x0) 2018/05/12 13:55:12 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012c") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:12 executing program 5: r0 = socket(0x0, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="51e251578851f74182a74b89b27df427aeef44966d202e4138b5a18e75a0424e7fe93b0d32c7abba87b65f97aba1c26a06b6d94c4aefd8fdca10e744391062c8e602721c20051608d9aa6dacf61e1eb331a4daad402b9885599d56130f7149fb1111fa116e94324d585a0569fbd311dad54cb4e32ff7f02216844ef42eeb66c3d526c878d5135ad1c9262239339c18885e2a0a95854d6cde3dd2feeaa50216af6c5760923413af81199a65a6332b02ec7bbf79d557c033cbe032fdc44f66a5c59cc4a3c5d218f5896b359d1efd60baf98df6396567478f7b817ce6e11d59a7def452a0e1d0607f57f626a5b8d476636ef1ee76307524cf9ae49be4db0ab2c8ea0c5ebd1e80fed632155e14da1f7324d97bc61a3c1edc4431ee8a6caa2ed9f85cea5a2a9b263630c7d6fc35dda6002da571a2e51917e7c1019d8ce21a608147e408cc4c7c5f444fab931bda86d977d7c9ccefd881e5ef05b287f41eea526862885881c2cdc687dff02ba9b70a9b08734ac4d62c7f34465c34aa9e9f136c7f796d9eea41aa37f61830508338bb1f887089070567a1dd96cd700e7a098dabedb60f31acd17d487bc8be1a3101d2b5ac1715003793596c6daa93a27f4adb4d6fbea5669c24c206c944317ea18a2c762457f1bc945fec8f849641d44e7e2a24faeee28f3f266395fe18b0dce20c1f64e8896c8ff0e4a44a116fb32462471a0fcde143e551723d57339722765673b4163d66f473ac10f988cb25c89074fcb1bba20c41bddd9ca5cd2f106632f9884a47866d284b4efc6bb1aa74ed48d4a6535795f0873a99907ebc22be2337364cf9acc063e32f7d2ebdfad64d04aa405d2dbdee1128ab1e4761d2dd30885ad37dd168478f10789d172feef4c817a5cd372caade57f23300e45f47e001e3ea09364ab42ee9802477368b9910f4e24037c871cb8251568c792287a6f49fa61b7c2600accaa0e7b40c5912a9e100225c70441144ffa82927fa4802ed9ebb03eea8e945af5f4993f21a7f53baf7ec5bb6cc96b917dde82c18840c3500e9565f68f687b1c73d834c0d99d4acb002dc5682dbcdb1217a98f6c3ef8318b7fa93894e8a097b4511ba5c035e27c9fe8bfe7754741ac21bbc0303b81672e3117e5590fe2d92f912759b9937f64204ec5caa92e218daa5a3ef64617beb30cccb31016b13ed8d7bcabb03e176b1c906a38cbda3bf1c1256ab74ab6f42ed9bafbbd0096263be1a7da1e1c88deec55a653d170e1e13c77dacaa60a37a6ba2383e661ebc9f13dbaade2dd884c9951819fb4608e19e70cd2496ccfb12f24c71f496cfe9bc88fe1bbea1e9a24b1d4664fb0776aca6269b396779680e52f86877d9209988d12ccb137be01ab7496d00547a7d4849d365a18dbb55c429cde87d33c4b74ad2273cdfee88b5418866ef327f25e9cbcd5a64d97184339f7e4cb5f8de171d2779c0f68884ae835e398f982d5749f085628d3608986656ea04b721f828202e9342bd7d19dfa091e772aebf9718030167a8c029df7c58b7f400582bd95e5ad802050d8775ef373e8e2c5bf3525f907add3be426cd5a079c49abffe933e9ee213a3baf34f932d1299312691e1c53e6247ae0989ad66070d51fad22856a8b6b28954e7d41189b11c5321789eec8670de9e8db0b0473ba2e02731e60be632697d61e052c18d4bcc6d1572fdf426f7b2fee6c1dee66c85c497b90facaf63b8ec5cde4a73400f9180bcfc0f81eca9580a7c81462a077f9034026bf72aa7c6de4b3c15d4a2dbd6fd7d87084aea9f25fb4bf5ec83eb56874a760533792dff2695407ccdd6a7375e0007230fd3f6501c152f1c1ff279b1d67cc95f2820762b7927659368e41657bdef2dd15b63498a93b787bdb26809d734aaf98b86fcf9fc643a34d03ebbe072820662d20f4774d66c5ae0a0adade5b8f6242a059b926221ee3d677487471c432b0d6d64dad030703475bb3ecac39b204a814f5ece5961621358e36f8a2cf7196c76959824bbb475a7cad8f57853fe05f59f341b5b4967904daf833d91ae9461ef10036f8be", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/05/12 13:55:12 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") mmap(&(0x7f0000000000/0x19000)=nil, 0x19000, 0xfffffffffffffffb, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000e53fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000007fe0)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x1}) socketpair(0x0, 0x0, 0x0, &(0x7f0000000080)) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000cd8ff4)) ioctl$UFFDIO_UNREGISTER(r1, 0xc020aa04, &(0x7f0000007ffc)={&(0x7f0000000000/0x2000)=nil, 0x2000}) 2018/05/12 13:55:12 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000001480)={"6c6f00000000000000000000b76c00", 0x0}) sendmsg$nl_route(r1, &(0x7f0000000300)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_newaddr={0x2c, 0x14, 0x111, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r2}, [@IFA_ADDRESS={0x14, 0x1, @loopback={0x0, 0x1}}]}, 0x2c}, 0x1}, 0x0) 2018/05/12 13:55:12 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000000008912, &(0x7f0000000040)="c626262c8523bf012cf66f") r1 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) recvmsg(r1, &(0x7f0000000440)={&(0x7f0000000100)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000180)=""/151, 0x97}], 0x1, &(0x7f0000000380)=""/149, 0x95}, 0x0) sendto$inet6(r1, &(0x7f0000000240)="ec", 0x1, 0x0, 0x0, 0x0) 2018/05/12 13:55:12 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000340)='projid_map\x00') readv(r0, &(0x7f0000000500)=[{&(0x7f0000000040)=""/53, 0x1e}], 0x1) 2018/05/12 13:55:13 executing program 4: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000000c0)='dctcp\x00', 0x6) sendto$inet6(r1, &(0x7f00004e8000), 0xf401, 0x20000001, &(0x7f000007f000)={0xa, 0x4e22}, 0x1c) 2018/05/12 13:55:13 executing program 0: r0 = socket(0x800000000000a, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c626262c8523bf012cf66f") syz_emit_ethernet(0x66, &(0x7f0000000000)={@random="ff9cc33b1dd9", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x2, 0x11, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000], 0x1}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x14, 0xffffffc0], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3, 0x0, 0x0, 0x0, 0x0, 0x5], 0x1}, @mcast2={0xff, 0x2, [], 0x1}}}}}}}}, 0x0) 2018/05/12 13:55:13 executing program 2: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf6") r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r2, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x0) dup3(r3, r2, 0x0) 2018/05/12 13:55:13 executing program 6: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4b, 0x2, 0x0, 0x0, 0x0, 0x1, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/05/12 13:55:13 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = getpid() process_vm_readv(r1, &(0x7f0000000040), 0x0, &(0x7f0000000000)=[{&(0x7f0000533000)=""/45, 0x2d}], 0x1, 0x0) 2018/05/12 13:55:13 executing program 5: r0 = socket(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c626262c8523bf012cf66f") r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) [ 115.710896] ================================================================== [ 115.718302] BUG: KMSAN: uninit-value in move_addr_to_user+0x32e/0x530 [ 115.724865] CPU: 0 PID: 7834 Comm: syz-executor1 Not tainted 4.17.0-rc3+ #88 [ 115.732025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.741365] Call Trace: [ 115.743946] dump_stack+0x185/0x1d0 [ 115.747564] ? kmsan_internal_check_memory+0x116/0x1e0 [ 115.752826] kmsan_report+0x142/0x240 [ 115.756618] kmsan_internal_check_memory+0x135/0x1e0 [ 115.761708] kmsan_copy_to_user+0x69/0x160 [ 115.765924] move_addr_to_user+0x32e/0x530 [ 115.770139] ___sys_recvmsg+0x4e2/0x810 [ 115.774108] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 115.779453] ? __fget_light+0x6b9/0x710 [ 115.783405] __x64_sys_recvmsg+0x325/0x460 [ 115.787622] do_syscall_64+0x154/0x220 [ 115.791491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 115.796667] RIP: 0033:0x455979 [ 115.799830] RSP: 002b:00007f437cf05c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 115.807532] RAX: ffffffffffffffda RBX: 00007f437cf066d4 RCX: 0000000000455979 [ 115.814790] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000014 [ 115.822049] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 115.829305] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 115.836561] R13: 0000000000000549 R14: 00000000006fbf78 R15: 0000000000000000 [ 115.843815] [ 115.845422] Local variable description: ----addr@___sys_recvmsg [ 115.851453] Variable was created at: [ 115.855157] ___sys_recvmsg+0xd5/0x810 [ 115.859030] __x64_sys_recvmsg+0x325/0x460 [ 115.863244] [ 115.864849] Byte 19 of 32 is uninitialized [ 115.869061] ================================================================== [ 115.876398] Disabling lock debugging due to kernel taint [ 115.881829] Kernel panic - not syncing: panic_on_warn set ... [ 115.881829] [ 115.889179] CPU: 0 PID: 7834 Comm: syz-executor1 Tainted: G B 4.17.0-rc3+ #88 [ 115.897732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.907064] Call Trace: [ 115.909642] dump_stack+0x185/0x1d0 [ 115.913253] panic+0x39d/0x940 [ 115.916447] ? kmsan_internal_check_memory+0x116/0x1e0 [ 115.921717] kmsan_report+0x238/0x240 [ 115.925510] kmsan_internal_check_memory+0x135/0x1e0 [ 115.930598] kmsan_copy_to_user+0x69/0x160 [ 115.934820] move_addr_to_user+0x32e/0x530 [ 115.939044] ___sys_recvmsg+0x4e2/0x810 [ 115.943007] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 115.948376] ? __fget_light+0x6b9/0x710 [ 115.952337] __x64_sys_recvmsg+0x325/0x460 [ 115.956561] do_syscall_64+0x154/0x220 [ 115.960433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 115.965602] RIP: 0033:0x455979 [ 115.968772] RSP: 002b:00007f437cf05c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 115.976462] RAX: ffffffffffffffda RBX: 00007f437cf066d4 RCX: 0000000000455979 [ 115.983714] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000014 [ 115.990971] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 115.998223] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 116.005473] R13: 0000000000000549 R14: 00000000006fbf78 R15: 0000000000000000 [ 116.013169] Dumping ftrace buffer: [ 116.016688] (ftrace buffer empty) [ 116.020372] Kernel Offset: disabled [ 116.023978] Rebooting in 86400 seconds..