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"], 0x12a0}}], 0x2, 0x0) 2018/05/11 20:19:59 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4c00000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:19:59 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) accept(0xffffffffffffffff, &(0x7f0000000080)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, &(0x7f0000000000)=0x80) setsockopt$ax25_buf(r1, 0x101, 0x19, &(0x7f00000001c0)="1d18db8f48d0bdbfe7e0155bcf7dbe2d8d8f999fad3123fc9cb70f667dce0c5bb975faca020e76bca94ff5a3f502a6db0b32a30b7628f6958dc1c6999bfde249dc7714106f2466279fbca5903e9bca0b91e11767922434ad1595c08be62bb44835e8fe1f40e3a092b96540e931e50a2a6d3e8c83f1967c6e1afeb414bf4a29731940baaf874d4baecdf69c0d87432e50226a9ca04b8d7285a9287d89f8f742635f3eda3ebbf57376d695fd4290a03fa85bedcd4bb2e3c23469f1efecb3c5344edd67be088382fe190c59e8bf4dd743984fb863d1e1b4a0749ad5094d121a9e21d27568a07a", 0xe5) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = dup3(r2, r0, 0x0) sendfile(r2, r3, 0x0, 0xff) 2018/05/11 20:19:59 executing program 3: r0 = socket(0xa, 0x1, 0x0) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000080)=0xcc7b, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0xaa, 0x80) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f0000000040)={0x1, r1}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000032ff4)={0x2000}) mprotect(&(0x7f0000032000/0x1000)=nil, 0x1000, 0x5) setitimer(0x1, &(0x7f0000032fe0)={{}, {0x0, 0x2710}}, 0x0) getitimer(0x1, &(0x7f0000036fe0)) 2018/05/11 20:19:59 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000000c0)={0x81, 0xfff, 0x7}) sendmsg$key(r0, &(0x7f0000000a40)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="0203000310000000000000000000000005000500000000000a0000000000000000000000000000000000ffffffffffff000000000000000005000600000000000a000000000000000000000000000000000000000000001a00000000000000000200010000000000000005020000000002000900080000003800000000000000"], 0x80}, 0x1}, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x3, 0x410900) ioctl$sock_SIOCADDDLCI(r0, 0x8980, &(0x7f0000000180)={'irlan0\x00', 0x100000000000}) ioctl$sock_inet6_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000040)) socket$key(0xf, 0x3, 0x2) bind$ax25(r1, &(0x7f0000000140)={0x3, {"94367f5dc30f18"}, 0x8}, 0x10) 2018/05/11 20:19:59 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'tgr192-generic\x00'}, 0x58) accept4(r0, &(0x7f0000000000)=@ax25, &(0x7f0000000100)=0x80, 0x80000) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendto$inet6(r1, &(0x7f000056cf87)="b912239005d527c4cfac287122a3c59606fd2fbff8c1edb19391a2e9593ff9a4a2c99509edb380a0676e65c376eefe34c58d3f81ebe1e086", 0x38, 0x0, &(0x7f0000d5ffe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 213.559557] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:00 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x0, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:00 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x20000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:00 executing program 3: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x800016907e, 0x0) mmap$binder(&(0x7f0000002000/0x3000)=nil, 0x3000, 0xfffffffffffffffc, 0x11, r0, 0x4) clock_gettime(0x105, &(0x7f0000000080)) 2018/05/11 20:20:00 executing program 4: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x101040, 0x0) r1 = syz_genetlink_get_family_id$team(&(0x7f00000000c0)='team\x00') getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@mcast2, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}}, &(0x7f0000000200)=0xe8) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x24, &(0x7f0000000c40)={@dev, @remote, 0x0}, &(0x7f0000000c80)=0xc) accept$packet(0xffffffffffffffff, &(0x7f0000000d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000d40)=0x2c) getsockname(0xffffffffffffff9c, &(0x7f0000000d80)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000e00)=0x80) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000e80)={{{@in6=@local, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@dev}}, &(0x7f0000000f80)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f000000a080)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f000000a0c0)={{{@in6=@ipv4={[], [], @multicast1}, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@loopback}}, &(0x7f000000a1c0)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f000000a200)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f000000a240)={{{@in6=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@loopback}}, &(0x7f000000a340)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f000000a440)={{{@in=@multicast2, @in6=@ipv4={[], [], @local}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@loopback}}, &(0x7f000000a540)=0xe8) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f000000a5c0)={'gre0\x00', 0x0}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f000000a600)={{{@in6=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@loopback}}, &(0x7f000000a700)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f000000a780)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f000000a7c0)={'bridge0\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f000000a800)={{{@in6=@mcast1, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@ipv4={[], [], @remote}}}, &(0x7f000000a900)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f000000aa00)={{{@in6=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@local}}, &(0x7f000000ab00)=0xe8) mq_unlink(&(0x7f0000000240)='lb_stats_refresh_interval\x00') getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f000000ab40)={@dev, 0x0}, &(0x7f000000ab80)=0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f000000abc0)={{{@in=@multicast1, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@remote}}, &(0x7f000000acc0)=0xe8) sendmsg$TEAM_CMD_NOOP(r0, &(0x7f000000b440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20100000}, 0xc, &(0x7f000000b400)={&(0x7f000000ad00)={0x6d8, r1, 0x400, 0x70bd28, 0x25dfdbfe, {}, [{{0x8, 0x1, r2}, {0x194, 0x2, [{0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x2}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xb29}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3f}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x80000001}}}]}}, {{0x8, 0x1, r4}, {0xf8, 0x2, [{0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x10001}}, {0x8, 0x6, r6}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xffffffffffffff81}}}, {0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}]}}, {{0x8, 0x1, r7}, {0x1d0, 0x2, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x864}}}, {0x54, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x24, 0x4, [{0x7d3, 0xfcc3, 0x10000, 0x4}, {0x0, 0xcdfa, 0x9, 0x5}, {0x0, 0x9, 0x1, 0x2}, {0x80000001, 0x0, 0x6, 0x6}]}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r8}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}, {0x54, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x24, 0x4, [{0xfff, 0x1, 0x80000000}, {0x7f8000000000, 0x1, 0x7, 0x540e7514}, {0xb4c5, 0xf3, 0x9, 0xffffffffffffffff}, {0x4, 0x6, 0x1, 0x8}]}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r9}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7fffffff}}, {0x8, 0x6, r10}}}]}}, {{0x8, 0x1, r11}, {0x200, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r12}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x76}}, {0x8, 0x6, r13}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x6}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r14}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r15}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r16}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r17}}, {0x8, 0x7}}}]}}, {{0x8, 0x1, r18}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r19}}}]}}]}, 0x6d8}, 0x1, 0x0, 0x0, 0x800}, 0x40040) r20 = socket$alg(0x26, 0x5, 0x0) bind$alg(r20, &(0x7f000001f000)={0x26, 'aead\x00', 0x0, 0x0, 'authencesn(sha3-224-generic,cbc-camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r20, 0x117, 0x1, &(0x7f0000000080)="1518c589", 0x4) 2018/05/11 20:20:00 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={&(0x7f0000000280)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000004c0)={0x28, 0x80000000000027, 0x1ff307543bf68163, 0x0, 0x0, {0x9}, [@typed={0x14, 0x4, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}]}, 0x28}, 0x1}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x8) openat$cgroup(r2, &(0x7f0000000040)='syz1\x00', 0x200002, 0x0) 2018/05/11 20:20:00 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000000)=ANY=[@ANYBLOB="000000000000000002000000ac1414aa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000002000000ac1414aa0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a000000ac14140000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000091299772989de44afe4a762c35f4b64e58284b6a97259d8c645a62face9446c142b219e639effb3a2e38e890b5b0617fb96a990430cc4600fd05660c76c564bf528bddd9f27d876de8843a23c3a7d9322797dc3aed6780964ffbb35ee9f8123776811187a90ce3365355903389e95cf850c3ebc2166ed1c174a8e62af2ac80aef91255cea5840d0ab8e77b57774881e13afc97ca95c0b62513a44b85dfaa4f8b2317d4eff8130e7758f364b47b6652a08e76e1ec35a0a7beeebe257750d74c8e507be14161bfce1ac41fa60e17ab3dd8f121abb742cea0d20d719f5cd71fc7f14ab3fa6ba85a88ec7b080b813004c7"], 0x190) 2018/05/11 20:20:00 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) syz_kvm_setup_cpu$x86(r2, 0xffffffffffffffff, &(0x7f0000005000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f00000000c0)="2e3e0f3564660f38807ef8f4c4c1fd7f8df560000065650f080f21780f20540f017d000f070f77", 0x27}], 0x1, 0x0, &(0x7f0000000040), 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text16={0x10, &(0x7f0000000300)="66b865f100000f23d00f21f866351000000d0f23f86766c744240000a000006766c7442402b57300006766c744240600000000670f01142466b9ba0a000066b80078000066ba000000000f30f20fd6d90f0f69f08e660f2f5b0b660fc66c0090660f380713360fc76854646f", 0x6c}], 0x1, 0x5d, &(0x7f0000000580), 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:00 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8995, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:00 executing program 3: r0 = getpgrp(0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) r2 = socket$inet_icmp(0x2, 0x2, 0x1) fgetxattr(r2, &(0x7f0000000000)=@known='security.ima\x00', &(0x7f0000001000)=""/4096, 0x1000) rt_tgsigqueueinfo(r0, r1, 0x1d, &(0x7f00004ca000)={0x0, 0x0, 0x2a}) r3 = signalfd4(0xffffffffffffffff, &(0x7f0000000ff8)={0xfffffffffffffdb0}, 0x8, 0x0) read(r3, &(0x7f0000b0a000)=""/128, 0x80) 2018/05/11 20:20:00 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x48000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:00 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x3f, 0x80480) ioctl$RNDGETENTCNT(r1, 0x80045200, &(0x7f00000000c0)) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000100), &(0x7f0000000140)=0x4) ioctl$KDGKBLED(r1, 0x4b64, &(0x7f0000000080)) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = dup3(r2, r0, 0x0) ftruncate(r3, 0x7ff) sendfile(r2, r3, 0x0, 0xff) [ 214.777812] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 214.788791] netlink: 16 bytes leftover after parsing attributes in process `syz-executor5'. [ 214.802404] netlink: 16 bytes leftover after parsing attributes in process `syz-executor5'. 2018/05/11 20:20:00 executing program 5: mlock2(&(0x7f0000007000/0x2000)=nil, 0x2000, 0x0) mincore(&(0x7f0000fec000/0x12000)=nil, 0x12000, &(0x7f0000000000)=""/103) mprotect(&(0x7f0000004000/0x4000)=nil, 0x4000, 0x0) mbind(&(0x7f0000006000/0x3000)=nil, 0x3000, 0x0, &(0x7f000000cff8), 0x9, 0x2) 2018/05/11 20:20:00 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") socketpair$inet(0x1e, 0x4, 0x0, &(0x7f0000f23ff8)={0x0}) sendmsg$key(r1, &(0x7f0000f22000)={0x0, 0x0, &(0x7f0000f22000)={&(0x7f0000f26ff0)={0x1e, 0x0, 0x10401, 0x0, 0x1, 0x0, 0x0, 0x25dfdbfd}, 0xb1a2}, 0x1}, 0x0) ioctl$sock_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000000)) 2018/05/11 20:20:00 executing program 4: r0 = memfd_create(&(0x7f00000000c0)="769cfb85ba903a48d4161b3000", 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x2012, r0, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x1f, &(0x7f0000000000)=0x4, 0x4) fallocate(r0, 0x0, 0x0, 0x87dc) prctl$setname(0xf, &(0x7f0000001fff)='\x00') clone(0x0, &(0x7f0000000100), &(0x7f0000000080), &(0x7f0000000200), &(0x7f0000000240)) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000040)={{0x9, 0x5}, 0x20}, 0x10) [ 214.875103] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x68, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:01 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000240)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x1, 0x8010000400000084) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'ip6gretap0\x00', 0x0}) ioctl$sock_inet6_SIOCDELRT(r1, 0x890c, &(0x7f0000000040)={@mcast2={0xff, 0x2, [], 0x1}, @mcast2={0xff, 0x2, [], 0x1}, @remote={0xfe, 0x80, [], 0xbb}, 0x80, 0x3dd39740, 0x3, 0x500, 0x1, 0x40000022, r2}) bind$inet6(r1, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000340)={0x0, 0x3}, 0x10) sendto$inet6(r1, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/05/11 20:20:01 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) dup2(r2, r0) read(r1, &(0x7f0000000080)=""/244, 0xf4) [ 214.982279] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:01 executing program 3: r0 = shmget$private(0x0, 0x2000, 0x1002, &(0x7f0000ffb000/0x2000)=nil) shmctl$SHM_INFO(r0, 0xe, &(0x7f0000000000)) r1 = shmget(0x1, 0x4000, 0x280, &(0x7f0000ffb000/0x4000)=nil) shmctl$SHM_STAT(r0, 0xd, &(0x7f0000000000)=""/182) shmctl$SHM_INFO(r1, 0xe, &(0x7f0000000140)=""/121) 2018/05/11 20:20:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:01 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) pipe2(&(0x7f0000000640)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) recvmsg$kcm(r2, &(0x7f0000002bc0)={&(0x7f0000000680)=@in={0x0, 0x0, @loopback}, 0x80, &(0x7f0000001b00)=[{&(0x7f0000000700)=""/23, 0x17}, {&(0x7f0000000740)=""/4096, 0x135f}, {&(0x7f0000001740)=""/102, 0x66}, {&(0x7f00000017c0)=""/206, 0xce}, {&(0x7f00000018c0)=""/7, 0x7}, {&(0x7f0000001900)=""/21, 0x15}, {&(0x7f0000001940)=""/107, 0x6b}, {&(0x7f00000019c0)=""/198, 0xc6}, {&(0x7f0000001ac0)=""/30, 0x1e}], 0x9, &(0x7f0000001bc0)=""/4096, 0x1000, 0x6}, 0x2) r3 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r4 = dup3(r3, r0, 0x0) openat(r1, &(0x7f0000000000)='./file0\x00', 0x4040, 0x2) sendfile(r3, r4, 0x0, 0xff) 2018/05/11 20:20:01 executing program 4: ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000040)=0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, r0, 0x80000000, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCETHTOOL(r1, 0x89f0, &(0x7f0000000080)={'bcsf0\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="0f000000000000000000000000000000000000557a90a6054a72dd000000000000000000"]}) 2018/05/11 20:20:01 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000360000)={0xff3f, 0x0, &(0x7f000035d000)={&(0x7f000033c000)={0x2, 0xd, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, [@sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x3fff, @loopback=0x7f000001}}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2}}, @sadb_x_policy={0x8, 0x12, 0x0, 0x1, 0x0, 0x0, 0x0, {0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}}]}, 0x80}, 0x1}, 0x0) getsockopt$EBT_SO_GET_ENTRIES(r0, 0x0, 0x81, &(0x7f0000000100)={'filter\x00', 0x0, 0x4, 0x4e, [], 0x1, &(0x7f0000000000)=[{}], &(0x7f0000000080)=""/78}, &(0x7f0000000180)=0x78) 2018/05/11 20:20:01 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000035abe1e80d903e0d717ac1889a45e581c9e14a5c8f95f5d2968ae8c767e9d18fd69a") mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x20011, r1, 0x0) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) ioctl$PERF_EVENT_IOC_ID(r1, 0x80082407, &(0x7f0000000000)) shutdown(r0, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x2) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x70, &(0x7f0000000200)=ANY=[@ANYRES32=0x0, @ANYBLOB="90d00000"], &(0x7f0000000080)=0x8) 2018/05/11 20:20:01 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8906, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:01 executing program 1: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000004000)=[{&(0x7f0000000080)="240000001a00030207fffd946fa283bc04eee6d87986c49727008568b51ba3a2d188737e", 0x24}], 0x1}, 0x0) recvmsg(r0, &(0x7f00000002c0)={0x0, 0x315, &(0x7f0000000100)=[{&(0x7f0000000000)=""/42, 0xffffffffffffff4b}, {&(0x7f0000000300)=""/165}, {&(0x7f0000000040)=""/49}, {&(0x7f0000000480)=""/247}], 0x0, &(0x7f0000000280)=""/10, 0x8}, 0x3) 2018/05/11 20:20:01 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2, 0x3, 0x1, 0xf, 0xa, 0x0, 0x70bd26, 0x25dfdbfe, [@sadb_x_nat_t_type={0x1, 0x14, 0x9}, @sadb_address={0x5, 0x17, 0x6c, 0x20, 0x0, @in6={0xa, 0x4e24, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0xbb60}}, @sadb_x_sa2={0x2, 0x13, 0x7, 0x0, 0x0, 0x70bd25}]}, 0x50}, 0x1}, 0x80) sendmsg$key(r0, &(0x7f000010bfc8)={0x0, 0x0, &(0x7f0000a8fff0)={&(0x7f0000e16000)={0x2, 0xb, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, [@sadb_x_sec_ctx={0x1, 0x18, 0x0, 0x0, 0xffffffffffffff9a}]}, 0x18}, 0x1}, 0x0) 2018/05/11 20:20:01 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, &(0x7f0000edfff0)={0x77359400, 0x4}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, &(0x7f000000b000)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, &(0x7f0000edfff0)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000dac000)={0x77359400}, &(0x7f0000048000), 0x0) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="6f79800bab2c4a4402372e47033d96daff6f01c459e2f264a1cbcfd687ff", 0x1e}, {&(0x7f0000000040)="0299f06e4124b95f488fd48a26624e162a23263df00c841bb4ddee9c399c516ab833bcabbef78e080a68747dceb5e478f5cc6cf91ea0fb5b675090c3c97e9d4041ec2c03f745803f76a7dad3a5cbe4d6369719b1723f59ec69c9217347886776b6dbe5bf12fc26349345fa612902aa38d16919b7c63679e536ae127f3a406b5a90822ced954ba65f949a9dbb405c7285d37e812c6e4f15f85ecd780cc4239f6b7b8cd14e1f0ae9185d2f0e709a624609d02afe82baeec6ee3c22066d0d7f4fdc5e49", 0xc2}, {&(0x7f0000000140)="09b88749542c924f1d575f98a778f40729e9840eade2072fa5b6b54ec6696c5e186c499722bc1967e9c4330342a3bc10e9c9706eb9a390f1a1d2020c6c6c41699785ae97405d067fa6970350257ec4077e6bf1128277b2fb4ba5ca7e57960a0347ede0aada105eb02facca1da6188bece0e4dbfcea50a90c9daf5e506f1e4f8c7ea0f29133a10b7c639faec956cb304fe39dddc55e8c3938a0fbedefcaa13f0fb938acbe5a2eca3a26fde0fb79b70fcd6db2c0dc1be001528478644ec8da16a3ff674305b27a5431114e936bc6e6531a9bddf7da290a3caec9dfb91f", 0xdc}], 0x3) [ 215.642841] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x60, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:01 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) setsockopt$inet_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e22, 0x6, @empty, 0x81}}, 0xff, 0x0, 0x9, "e646074e57f28a24a1f6fbe6319acedf1c82b4063c8d3bc2ebb20cd9649fa71d0371f01de02840930639a12984c2c0a8f2bd0b9647883c464d51208c8b7c382cf9111c6087dc0090c16e857349fd20b9"}, 0xd8) ioctl$TCSETS(r2, 0x5402, &(0x7f0000000000)={0x1, 0x3e, 0x1000, 0x3f, 0x0, 0x9, 0x4, 0x100000000, 0x0, 0x2, 0x6, 0x7}) ioctl$KVM_TRANSLATE(r2, 0xc018ae85, &(0x7f0000000200)={0xf000, 0x0, 0x1, 0x100, 0x5}) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f00000001c0)) 2018/05/11 20:20:01 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x8000000) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0xffff}) mq_timedreceive(r0, &(0x7f000009d000)=""/224, 0xe0, 0x0, &(0x7f0000e6eff8)) r1 = gettid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r2, 0x5452, &(0x7f0000000080)=0x2) fcntl$setsig(r2, 0xa, 0x12) fcntl$setownex(r2, 0xf, &(0x7f00000001c0)={0x0, r1}) recvmsg(r3, &(0x7f0000000040)={&(0x7f0000893ff8)=ANY=[], 0x0, &(0x7f0000000080), 0x0, &(0x7f0000b30000)}, 0x0) dup2(r2, r3) r4 = gettid() tkill(r4, 0x16) mq_timedsend(r0, &(0x7f000003a000), 0x0, 0x0, &(0x7f000066cff0)={0x0, 0x1c9c380}) [ 215.753975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3c, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 215.849318] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:03 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) getsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f0000000000)=0x3, &(0x7f0000000080)=0x4) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa0f, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x4600, 0x0) setsockopt$inet6_dccp_int(r2, 0x21, 0xb, &(0x7f00000000c0)=0x5c8cfd61, 0x4) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) write$binfmt_aout(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="0f6fca"], 0x3) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000010000/0x18000)=nil, &(0x7f0000000200)=[@text32={0x20, &(0x7f0000000100)="0f09c744240000380000c74424028f000000c7442406000000000f0114240f9a9f00800000670f209a642e3e0f01f7670f080fc7aeb2440000660f388153940f30ad", 0x42}], 0x59, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_SET_VCPU_EVENTS(r3, 0x4040aea0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x47}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:03 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_TIMEOUT(r0, 0x0, 0x486, &(0x7f0000000080), &(0x7f00000000c0)=0xc) r1 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCETHTOOL(r1, 0x89f0, &(0x7f0000000b80)={'bridge0\x00', &(0x7f0000000b40)=@ethtool_ringparam={0xb, 0x0, 0x0, 0x9899999999999919}}) syz_open_dev$sndseq(&(0x7f0000000340)='/dev/snd/seq\x00', 0x0, 0xf0) 2018/05/11 20:20:03 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8907, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:03 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f0000b31000)="f9", 0x1, 0x0, &(0x7f00009e1000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") getsockopt$inet_sctp6_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f00000000c0), &(0x7f0000000100)=0x8) sendto$inet6(r0, &(0x7f0000000000)="c7", 0x1, 0x0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x6}, 0x1c) 2018/05/11 20:20:03 executing program 4: r0 = syz_open_dev$adsp(&(0x7f00000000c0)='/dev/adsp#\x00', 0xffffffffffffffce, 0x20080) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000200)={r0, &(0x7f0000000100)="9062200ae771313b37a2e32d91d8032880d07a779e81768e16e762f2d81d5fdb44a0662c1824867f948ae689c7dbf5fbe12ba22302979214400951d17296e20f7ea6fc72f08c1eaa8be75b7768c5055a387ab736cd1273f132b41dc8f0577a78681ce06e79abcff4c28bb1e8011167e0ac85e6934bdf33f68983cd2ad0c587fcd0d54e8675255a39f88922b604da762b8464577a258afae7af820977d891fa6ec4d345ace484da7d5d88d7db7584acf4933047c42c123895e7e781e650", &(0x7f00000001c0)="699d707b15ebf69dbfa2963f74dbf5"}, 0x20) r1 = socket(0xa, 0x5, 0x0) ioctl(r1, 0x8912, &(0x7f0000000240)="c953a03e94726f4c9f63d7ce1ef39661bb671c00bb4af5d654c04b3d4137") r2 = open(&(0x7f0000fedff8)='./file0\x00', 0x141042, 0x0) utime(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x8}) fstat(r2, &(0x7f0000000fbc)) sigaltstack(&(0x7f0000001000/0x1000)=nil, &(0x7f0000008ff8)) sigaltstack(&(0x7f0000001000/0x3000)=nil, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r2, 0x4c00, r1) 2018/05/11 20:20:03 executing program 5: r0 = socket(0xb, 0x1, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") clone(0x0, &(0x7f0000163000), &(0x7f00001a6000), &(0x7f0000e05ffc), &(0x7f00007c4000)) ioctl$KDGKBTYPE(0xffffffffffffffff, 0x4b33, &(0x7f0000000040)) 2018/05/11 20:20:03 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000000)={'team_slave_0\x00', 0x2}) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) [ 217.114334] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x2000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:03 executing program 4: r0 = socket(0xa, 0x1, 0x0) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f0000000280)=ANY=[@ANYBLOB="73656375726974790000000000000000000000000000000000000000000000000e010100000000000003217cffffffffd001000000000000f8000000fffffffffffffffff0020001f0020000f8020000ffffffff04000000", @ANYPTR=&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="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"], 0x3) fcntl$setstatus(r0, 0x4, 0x4800) fsetxattr(r0, &(0x7f0000000080)=@known='system.sockprotoname\x00', &(0x7f00000000c0)='cgroupmd5sumlonodev\x00', 0x14, 0x1) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000001380)={0x0, @in={{0x2, 0x4e23, @multicast1=0xe0000001}}, 0x0, 0x1f, 0xfffffffffffffffc, 0x7, 0x1}, &(0x7f0000001440)=0x98) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000001480)={r1, 0x8001}, &(0x7f00000014c0)=0x8) r3 = socket$inet(0x2, 0x1, 0x0) syz_open_dev$sndctrl(&(0x7f0000000100)='/dev/snd/controlC#\x00', 0x5634, 0x20080) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000001500)={r2, 0xef, "4199d0bed9e72b424be59353e37bb0c5bd07a3f204e700c9f6e597864239f1835f402cf36090e782d6235ff86edbb4db54e9c5ae66f664b08a93ed34a7978c2a1bd65f5027c7b8f0aa6b6578a3503259fa308656f723acc8aa51ff36ec0089d8ee2c68757a35b4d29c9a1679d4d9b05d112ea9ece8fcbbd4a93e630fe85d23384bbdf01fe526aaf2ff0b81022d5efe1618f9b2e4d9311ca5131d4c036084b3d9de740f1efabc984ad106a2d71bfdd09098c64e5d11fef02b5bf7072a3ba0b8242765d078909c10f5b32ede8eb2d171310d5fab79867217de06e8bf0b22915d71a96705690f0ba97bd156eb2018c391"}, &(0x7f0000001600)=0xf7) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=0x0, &(0x7f0000000200)=0x4) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000001300)=ANY=[@ANYRES32=r4, @ANYBLOB="05040000008343b35d"], &(0x7f0000001340)=0xd) setsockopt$EBT_SO_SET_ENTRIES(r3, 0x0, 0x80, &(0x7f0000000140)=@broute={"62726f7574650200", 0x20, 0x2, 0xc60, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000680], 0x0, &(0x7f0000000240), &(0x7f0000000680)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x600c0000}, {0x0, '\x00', 0x0, 0x0, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'bond0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0xa0, 0x138, 0x188, [@pkttype={'pkttype\x00', 0x8}]}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x0, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0x0, 0x1, [{{{0xd, 0x0, 0x0, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x978, 0x9f8, 0xa48, [@among={'among\x00', 0x898, {{0x0, 0x0, 0x0, {[], 0x2, [{[], @multicast1=0xe0000001}, {[], @rand_addr}]}, {[], 0x8, [{[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @remote={0xac, 0x14, 0x14, 0xbb}}, {[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @multicast2=0xe0000002}, {[], @remote={0xac, 0x14, 0x14, 0xbb}}]}}}}, @limit={'limit\x00', 0x20}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x0, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0xcd8) 2018/05/11 20:20:03 executing program 6: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x20e040, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000000100)={0x9, 0x0, 0x48, 0x5, 0x0}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000001c0)={0x3, 0x345, 0x2, 0x8000, 0x4000000000000000, 0x1, 0xfffffffffffffffd, 0x9, r1}, &(0x7f0000000200)=0x20) setsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000240)={0x1, 0x80000001, 0x7, 0x2, 0x95a1, 0x100, 0xd0, 0x7fffffff, 0x6, 0x3, 0x4}, 0xb) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000380)="0e2f6373797a310000000000000000000000", 0x200002, 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x2, 0x0) ioctl$PIO_FONT(r3, 0x4b61, &(0x7f0000000080)="67fb80f0a255587b711fd92161") r4 = openat$cgroup_int(r2, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r5 = dup3(r4, r2, 0x0) sendfile(r4, r5, 0x0, 0xff) [ 217.222847] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:03 executing program 3: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0xa, 0x802, 0x0) connect$inet6(r0, &(0x7f000049e000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1c) getsockopt$inet_int(r0, 0x0, 0xe, &(0x7f0000000080), &(0x7f0000000040)=0x3) 2018/05/11 20:20:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x140000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:03 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) bind$vsock_dgram(r0, &(0x7f0000000300)={0x28, 0x0, 0x2711, @host=0x2}, 0x10) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = request_key(&(0x7f0000002880)='user\x00', &(0x7f00000028c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000002900)='security&~:\x00', 0xfffffffffffffffd) r4 = syz_open_dev$sndpcmp(&(0x7f0000002940)='/dev/snd/pcmC#D#p\x00', 0x7, 0x400000) add_key$keyring(&(0x7f0000002b00)='keyring\x00', &(0x7f0000002ac0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, r3) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000180)={{{@in6=@local, @in6=@local}}, {{@in=@remote}, 0x0, @in=@rand_addr}}, &(0x7f00000002c0)=0xe8) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x3, 0x0, 0x20001000}) accept4$unix(r0, &(0x7f0000000100)=@abs, &(0x7f0000000000)=0x6e, 0x800) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x1) syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x3ff, 0x4200) r5 = request_key(&(0x7f0000000340)='.dead\x00', &(0x7f0000000380)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000003c0)='-\x00', 0x0) r6 = add_key$user(&(0x7f0000002700)='user\x00', &(0x7f0000002740)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000002780)="4fd0d385630ae045626a2e81fcd1c5ad65a2c4ce880989d12cdec5eb793b43ed8cc33dd9c1dc387337bbd68f3686b1493f0a939f95987dfa4fe219c4ee94823bca50b7a494c6507f", 0x48, 0xfffffffffffffff8) openat$ppp(0xffffffffffffff9c, &(0x7f0000002980)='/dev/ppp\x00', 0x800, 0x0) bind$vsock_dgram(r4, &(0x7f00000029c0)={0x28, 0x0, 0x2711, @reserved=0x1}, 0x10) keyctl$instantiate_iov(0x14, r5, &(0x7f0000002680)=[{&(0x7f0000000400)="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", 0x1000}, {&(0x7f0000001400)="d07b2df99849b70f77409d43ae12eed0f4184dbd785470259e94d1072cd01954a436d8f892c2c756dbce63670543356f797358482806934a3286e44aa41766d2a242fae9bfee77596320f745d5204dbe00bd2edcf2b10e7dfc5f2e5876ac4626045f60ef55da2dce87e4e739e665dd28341cf96a085fc3af7b72868c44cf546fd5d13e42e6778a1ab859ecf7feba11d73ea632eb5873ad6f749520427d6c361874ee5fbc7f7818f502958cb1113b814413bbb20c", 0xb4}, {&(0x7f00000014c0)="819bd5b460d6951563bba1f26b253c44dd15e5eeb153455e81d3905ded90734cf39949e27025cffe6e07e1dfaac11c4ac465aaaed0a05d7a158dddde97387af20a9369d741c37cd3ad3f8bd8154e66dfde76bc6dcddf363cedc9948480156e243c9d6167df5fd7a65ca4e16fd28dbdbc44411268d50db609c50c0726ab1cfb786e8da08a2a002c82e39ed037d9", 0x8d}, {&(0x7f0000001580)="22650eaea78879b1105b3f029facba3775def8e35e2ce5801093b28c5386166030dd243fa1eb361ac11de60d2f2d5d306ecff43eb1b18b7624b8db48d206", 0x3e}, {&(0x7f00000015c0)="5960a4676443bf06cba058c99b1e4dce0963ab11306e546f81ff1999196928fcc20c6d0bb94001612c470d1a", 0x2c}, {&(0x7f0000001600)="c86730a28d0f44c0d9e3d38d9e2f5dbe7091ff916b34ab51747fd844ef139cad9e186a4971c28bd738f5ac6ae0c6d6a74432601b101f76ef910f55971291c848ce998a68", 0x44}, 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", 0x1000}], 0x7, r6) [ 217.296786] kernel msg: ebtables bug: please report to author: nentries does not equal the nr of entries in the chain 2018/05/11 20:20:03 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x4000, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000080)=@assoc_value={0x0}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f00000001c0)={r2, 0x1000, "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&(0x7f0000000100)=0x1008) r3 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r4 = dup3(r3, r0, 0x0) sendfile(r3, r4, 0x0, 0xff) 2018/05/11 20:20:03 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000003fee)='/dev/input/event#\x00', 0x0, 0x0) read(r0, &(0x7f00006a9000), 0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x220000, 0x0) futimesat(r1, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) socket$netlink(0x10, 0x3, 0x8) [ 217.353360] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 217.370712] kernel msg: ebtables bug: please report to author: nentries does not equal the nr of entries in the chain 2018/05/11 20:20:03 executing program 4: r0 = socket(0x0, 0x200000000001, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket(0xf, 0x816, 0xfffffffffffffffd) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_int(r1, 0x0, 0x12, &(0x7f0000000040), 0x4) 2018/05/11 20:20:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x80ffffff, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:04 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x101000, 0x0) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000080)={0x100, 0x80000001}) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) io_setup(0xdcda, &(0x7f00000000c0)=0x0) io_destroy(r3) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000100)) ioctl$TIOCSCTTY(r1, 0x540e, 0xffffffffffffffff) r4 = dup3(r2, r0, 0x0) sendfile(r2, r4, 0x0, 0xff) 2018/05/11 20:20:04 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0xffffff09, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = getpgrp(0x0) add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000000c0)="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", 0xfb, 0x0) r2 = semget$private(0x0, 0x5, 0xa) semctl$SETALL(r2, 0x0, 0x11, &(0x7f00000002c0)=[0x7, 0x7]) r3 = add_key(&(0x7f00000001c0)='blacklist\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000240)="73f593b2952b97d6240c9efce366e29c4f08367bc9eb98475ef56b1ef20326aa8d67dbe81d75df365d618777b322947a048518d2dfec7b03b31d6fe9f797eba96459b0a1412ea4b61984c5607c63abdf0a7ed2e233cabb7339a14e3eb6e43fdb07dfab406757bfc956c78cdd7028c585ee0fac0653224a2cd0ce85", 0x7b, 0xfffffffffffffffb) keyctl$revoke(0x3, r3) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000300)={0x4, 0x0, [0x0, 0x0, 0x0, 0x0]}) ioprio_get$pid(0x3, r1) 2018/05/11 20:20:04 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x200, &(0x7f0000000140)="7186bd8eb88b22b7c28b9aebda61948f6c9b6e023f103ca50dafaac3b80ddd54370c008998e280c40939804d3ff5ca02d97a2e1d0845f063821f29809d872e264fb8dd66af7f9d082e6206656d6aae1df4261dfce82e71fbfafbb0a2960db1ba2243b1a0f8a51aee9cfb7e65b960786ac153d5358cf74b61c0a1bd5e78e5a08943cde83de17afabb3c7fdd669d8191f6221bad7e6fbfa2b294ce0a66dae9a2937aca825ee3a4b2ce284f3e1958415e343796b2ca1d66a14ba38fa4dd659c10ff5961be4cd699f9db536b0fc1caa48661f1797be238606e9caddcc6") ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000480)={0x93f, {{0xa, 0x4e22, 0x1000, @mcast2={0xff, 0x2, [], 0x1}, 0x6}}, 0x1, 0x2, [{{0xa, 0x4e20, 0xd15, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x5}}, {{0xa, 0x4e22, 0xe083, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x28b}}]}, 0x190) write$binfmt_aout(r0, &(0x7f00000002c0)={{0x1cc, 0x401, 0x8001, 0x60, 0x3b, 0x5b02, 0x39, 0xe28}, "b062473971749cfc26553216609bef121713f1de301b3d53609c49cb04d77867992f3662cdc5fbbbca448f5ecf0769f15a1a35d43543fac3aa55433d1db0af8ed558f3e94b601b1c6d8104dee279aeb6f0b6136274d2b06474e859a70d85df70eb84", [[]]}, 0x182) fcntl$setpipe(r0, 0x407, 0x6) unshare(0x400) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$IOC_PR_PREEMPT_ABORT(r1, 0x401870cc, &(0x7f0000000080)={0x0, 0xffffffffffffffff}) r2 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x100000001, 0x450000) ioctl$SIOCSIFHWADDR(r2, 0x8924, &(0x7f0000000100)={'veth0_to_team\x00', @random="c1d97a8f40d3"}) 2018/05/11 20:20:04 executing program 4: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x0, 0x0) preadv(r1, &(0x7f0000000400)=[{&(0x7f0000000200)=""/218, 0x2f5}, {&(0x7f0000000680)=""/192, 0xffffffa0}, {&(0x7f0000000580)=""/7, 0x7}], 0x3, 0x0) ioctl$KDGKBMETA(r1, 0x4b62, &(0x7f0000000000)) 2018/05/11 20:20:04 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8942, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:04 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000646000)={&(0x7f000059cff4)={0x10}, 0xc, &(0x7f0000f9bff0)={&(0x7f0000000100)=ANY=[]}, 0x1}, 0x0) 2018/05/11 20:20:04 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280)='/dev/snapshot\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000040)={[], 0x0, 0x7, 0x9}) ioctl(r0, 0x1276, &(0x7f0000000100)) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r1, 0x4008ae48, &(0x7f0000000000)=0x6004) [ 217.938783] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:04 executing program 3: r0 = socket(0x9, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000300)="c6295e4eca6c09b612ec6f") r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$SG_GET_PACK_ID(r1, 0x227c, &(0x7f0000000000)) write$cgroup_pid(r1, &(0x7f0000000100)=ANY=[], 0x1023c) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000140)=0xc) kcmp(r2, r3, 0x7, r1, r1) r4 = open$dir(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) lseek(r4, 0x0, 0x4) 2018/05/11 20:20:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x1100, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:04 executing program 5: r0 = socket(0x2, 0x1, 0x5) fgetxattr(r0, &(0x7f0000000300)=@random={'trusted.', "70726f632d47504c5b2d5cc000"}, &(0x7f0000000340)=""/123, 0x7b) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000700)=@broute={'broute\x00', 0x20, 0x3, 0x648, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000ac0], 0x0, &(0x7f0000000000), &(0x7f0000000ac0)=[{0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x3, 0x0, 0x0, 'ip6gre0\x00', 'syzkaller1\x00', 'ip6tnl0\x00', 'yam0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x2a8, 0x328, 0x370, [@bpf0={'bpf\x00', 0x210, {{0x3, [{}, {}, {0x6}]}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x0, 'syz1\x00'}}}, @common=@STANDARD={'\x00', 0x8}]}, @common=@RATEEST={'RATEEST\x00', 0x20, {{'syz1\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6tnl0\x00', 'ip6gretap0\x00', 'ip_vti0\x00', 'ifb0\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0xe0, 0x128, 0x160, [@state={'state\x00', 0x8}, @quota={'quota\x00', 0x18}]}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}]}, @common=@mark={'mark\x00', 0x10}}]}, {0x0, '\x00', 0x2, 0xffffffffffffffff}, {0x0, '\x00', 0x2, 0xffffffffffffffff, 0x1, [{{{0x100000000011, 0x0, 0x0, 'lo\x00', 'ifb0\x00', 'gretap0\x00', 'sit0\x00', @random="417b33fff412", [0x0, 0x1], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x70, 0xb8}}, @common=@ERROR={'ERROR\x00', 0x20, {"bba57155187d9565c71b6c4f1488b2d332dfd7e0d6cfb7b89a031fa17d1a"}}}]}]}, 0x6c0) sendmmsg(r0, &(0x7f00000002c0)=[{{&(0x7f0000000040)=@pppoe={0x18, 0x0, {0x0, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'ipddp0\x00'}}, 0x80, &(0x7f00000001c0)=[{&(0x7f00000000c0)="210ed2542afddb4d490e2350ce7263bbbeefa38f01420b84253aa8a975340dd217f58159b45e576360f8a53e3318f2f6fd64c7fe44384e47789fa544ea4874a8687428ab4af19a9c8191b7399c78f200eb8db0f7e0a4b515ed7d5c3db15f04f6195a9ffa6a488b3ac419072e2cdb8ce2ebac7fea54491b208132e57b82d7cc", 0x7f}, {&(0x7f0000000140)="fff9512762a3447769d5d0c89861a0bb26a8093971edd9787469a26e2352a7df720c124221e48bbd119cd9c6cb77777081e6fc256c0f4dfc0f55d7a5ffe4271bb84ce80c8e652460e26816889eecd0f980f95517a13df551", 0x58}], 0x2, &(0x7f0000000200)=[{0x98, 0x113, 0x1, "c2e315a7227c326b9255d9c0467328ac153068795491bd8749bfc0239740b0d93bd17e93231a0ed3f26d00d2346aa4644653e0468622bbf882571d2ee7fb02c1df8c952fc1464ae9e2328cc7457b9aad67caeed65a1e0a0238080400857c686c8089f2e40d74a654ae6dbf3cc7fadcded386e6b3c8f0d349e299368f28b0dd2fee"}], 0x98, 0x80}, 0x100000001}], 0x1, 0x4000) 2018/05/11 20:20:04 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.sched_load_balance\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) [ 218.054768] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x26dec, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 218.191819] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:04 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0x400000000ff) 2018/05/11 20:20:04 executing program 4: r0 = add_key(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a}, &(0x7f00000001c0)="b8", 0x1, 0xfffffffffffffffe) request_key(&(0x7f0000000080)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a}, &(0x7f0000000100)='(\'/lo]|\'!posix_acl_access%GPLvboxnet1\x00', r0) socket$bt_hidp(0x1f, 0x3, 0x6) 2018/05/11 20:20:04 executing program 3: setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r0 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r0, 0x107, 0x5, &(0x7f0000001000), 0xc5) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000040), 0x4) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000)=0xff, 0x4) 2018/05/11 20:20:04 executing program 5: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000040)=0x0) capget(&(0x7f0000000080)={0x20080522, r0}, &(0x7f00000000c0)={0x40, 0xfa1, 0xffffffffffffff80, 0x0, 0x7fffffff, 0x7}) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x200, 0x2101) close(r2) 2018/05/11 20:20:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6000000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:04 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x105082) r1 = memfd_create(&(0x7f0000000140)="000000008c00000000000000000000", 0x0) sendfile(r0, r1, &(0x7f0000000040)=0x80000000000000, 0x7) syz_kvm_setup_cpu$x86(r1, r1, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@textreal={0x8, &(0x7f0000000000)="f2af0f076c0f35f3dc143e640f060f01c9d8c7640f23e5f20f5d930000", 0x1d}], 0x1, 0x1, &(0x7f00000000c0)=[@cr4={0x1, 0x4000}, @vmwrite={0x8, 0x0, 0x1000, 0x0, 0x4, 0x0, 0x7fffffff, 0x0, 0xffffffff}], 0x2) ioctl$KVM_SET_CPUID(0xffffffffffffffff, 0x4008ae8a, &(0x7f0000000100)=ANY=[@ANYBLOB="d61e7d92278ae5e467ce788c258791880a7f8d4de42e4370496077b0e0f600000000000000000000000000000000"]) 2018/05/11 20:20:04 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8980, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:04 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280)='/dev/snapshot\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000040)={[], 0x0, 0x7, 0x9}) ioctl(r0, 0x1276, &(0x7f0000000100)) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r1, 0x4008ae48, &(0x7f0000000000)=0x6004) 2018/05/11 20:20:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x500000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 218.830113] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:04 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)="2e2f6367326ff4377031d0cab01b1b49e28e7500001549e564481644db8417c0805efe9eb23c502c5971f2aad891af8247d186386502a665a684a155b870f2ee72d63a00249dbdded5ddc27994d4054949a4e782c0f078aa337182af07e8248535492668cc2d62e02f38b5e3a920c80e8831612b228e89dc2eaeb7d06802fc1ac1bc75e2b3e3f480afac7e95cde5a7178aa3785dde99aafff57e24b2c25a7bd6d8ab9cdb5a6cecb063efb3e67962127db5864c10f6", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:04 executing program 4: 2018/05/11 20:20:05 executing program 3: [ 218.896946] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:05 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl$SG_GET_PACK_ID(r1, 0x227c, &(0x7f0000000000)) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:05 executing program 3: 2018/05/11 20:20:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x14000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:05 executing program 5: 2018/05/11 20:20:05 executing program 4: 2018/05/11 20:20:05 executing program 5: 2018/05/11 20:20:05 executing program 3: [ 219.051775] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:05 executing program 4: 2018/05/11 20:20:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa00000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:05 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280)='/dev/snapshot\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000040)={[], 0x0, 0x7, 0x9}) ioctl(r0, 0x1276, &(0x7f0000000100)) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r1, 0x4008ae48, &(0x7f0000000000)=0x6004) 2018/05/11 20:20:05 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = socket$vsock_dgram(0x28, 0x2, 0x0) recvmsg(r1, &(0x7f0000001400)={&(0x7f0000000080)=@ethernet={0x0, @remote}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000100)=""/87, 0x57}, {&(0x7f00000001c0)=""/4096, 0x1000}, {&(0x7f00000011c0)=""/95, 0x5f}, {&(0x7f0000001240)=""/209, 0xd1}], 0x4, &(0x7f0000001340)=""/145, 0x91, 0x6}, 0x40) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = dup3(r2, r0, 0xffffffdffffffffc) accept$alg(r3, 0x0, 0x0) sendfile(r2, r3, 0x0, 0xff) 2018/05/11 20:20:05 executing program 5: 2018/05/11 20:20:05 executing program 3: 2018/05/11 20:20:05 executing program 4: 2018/05/11 20:20:05 executing program 2: 2018/05/11 20:20:05 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x40049409, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:05 executing program 3: [ 219.696268] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:05 executing program 5: 2018/05/11 20:20:05 executing program 4: 2018/05/11 20:20:05 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) ioctl$SNDRV_TIMER_IOCTL_START(r1, 0x54a0) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = dup3(r2, r0, 0x0) sendfile(r2, r3, 0x0, 0xff) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f0000000000)={r3}) 2018/05/11 20:20:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6c00000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 219.857897] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:06 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000040)=0x0) capget(&(0x7f0000000080)={0x20080522, r0}, &(0x7f00000000c0)={0x40, 0xfa1, 0xffffffffffffff80, 0x0, 0x7fffffff, 0x7}) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x200, 0x2101) close(r2) 2018/05/11 20:20:06 executing program 3: 2018/05/11 20:20:06 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x4) sendfile(r1, r2, 0x0, 0x2) 2018/05/11 20:20:06 executing program 5: 2018/05/11 20:20:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x2, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:06 executing program 2: 2018/05/11 20:20:06 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8924, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:06 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280)='/dev/snapshot\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000000040)={[], 0x0, 0x7, 0x9}) ioctl(r0, 0x1276, &(0x7f0000000100)) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r1, 0x4008ae48, &(0x7f0000000000)=0x6004) 2018/05/11 20:20:06 executing program 5: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x206, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r0, 0x4068aea3, &(0x7f00000000c0)={0x7b, 0x0, [0x0, 0x18, 0x800]}) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000280)={&(0x7f0000000200)='./file0\x00'}, 0x10) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="81000000010316", 0x7}], 0x1) 2018/05/11 20:20:06 executing program 3: r0 = socket$inet_sctp(0x2, 0x1000000000000001, 0x84) connect$inet(r0, &(0x7f0000f6fff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) r1 = socket$netlink(0x10, 0x3, 0x4) connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x10) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000000000)="480000001400190d76a81014aed182f302840080ffe00600000000000000a2bc5603ca0016087f89000000200000000101ff0016000309ff5bff0308c7e5ed5e0000000000000000", 0x48}], 0x1) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) read(r0, &(0x7f0000000100)=""/59, 0x3b) [ 220.598127] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3e8, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:06 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) openat$cgroup_type(r0, &(0x7f0000000000)='cgroup.type\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:06 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000040)=0x0) capget(&(0x7f0000000080)={0x20080522, r0}, &(0x7f00000000c0)={0x40, 0xfa1, 0xffffffffffffff80, 0x0, 0x7fffffff, 0x7}) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x200, 0x2101) close(r2) 2018/05/11 20:20:06 executing program 5: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r1, 0x0, 0x27, &(0x7f0000683ff4)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) setsockopt$inet_MCAST_MSFILTER(r1, 0x0, 0x30, &(0x7f0000000300)={0x1, {{0x2, 0x0, @multicast2=0xe0000002}}, 0x0, 0x1, [{{0x2, 0x0, @broadcast=0xffffffff}}]}, 0x110) setsockopt$inet_group_source_req(r1, 0x0, 0x2c, &(0x7f00000001c0)={0x1, {{0x2, 0x0, @multicast2=0xe0000002}}, {{0x2, 0x0, @broadcast=0xffffffff}}}, 0x108) ioctl$sock_inet_SIOCGIFADDR(r1, 0x8915, &(0x7f0000000000)={'ip_vti0\x00', {0x2, 0x4e21}}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x10000, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f0000000540)=ANY=[@ANYRES32=0x0, @ANYBLOB="b000000042e5d8f7c14a09386fb79b8665de969970340e21fe70ae4035ecd4f1b653e139b91769c77beb113455a6a6552518296ae8871d661d0a2fa0f9a6f0d07087ae2e0025b30000000000008e843c61f30ac75a6b0ddf4b7d750ac7dbfd21e5f81a2e0c4d7b70a2e6a544a27db75b76681a599ba8c3b44fb7df6ef69a3087f16f8c966e4c9c82e3f83c11835cf1970b13f970759b9123dbe24ceda52e21dc86fce93e52008451c7da179b815a3a2cec04c98007451d8e9cd6713aa47bf48b7b8e918c476877a8989611d4cf7b9291f1f7b72c1d95090396633705a189d91e28f2e973f0eec2641ad22b7175c33a7d879553a163"], &(0x7f0000000040)=0xb8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000140)={r3, 0x2e}, &(0x7f0000000180)=0x77) getsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f00000001c0)={r4, 0x6}, &(0x7f0000000200)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000240)={r5, 0x7ff}, 0x8) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080)='gre0\x00', 0x3a6) ioctl$sock_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f00000000c0)) clock_gettime(0x0, &(0x7f0000000440)={0x0, 0x0}) timerfd_settime(r2, 0x1, &(0x7f0000000480)={{r6, r7+10000000}, {0x77359400}}, &(0x7f00000004c0)) [ 220.687210] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x7400, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:06 executing program 6: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000380)='/dev/snapshot\x00', 0x4000, 0x0) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f00000003c0)) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$bt_BT_RCVMTU(r2, 0x112, 0xd, &(0x7f0000000200)=0x80, &(0x7f0000000240)=0x2) r5 = dup3(r2, r1, 0x0) sendfile(r2, r5, 0x0, 0xff) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r5, 0x84, 0x13, &(0x7f0000000000)=0x1, 0x4) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB='\x00\t\x00\x00', @ANYRES32=0x0], &(0x7f0000000140)=0x8) renameat(r5, &(0x7f0000000080)='./file0\x00', r5, &(0x7f00000000c0)='./file0\x00') getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x66, &(0x7f0000000280)={0x0, 0x8}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000300)=@assoc_id=r6, &(0x7f0000000340)=0x4) 2018/05/11 20:20:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x100000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 220.781370] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 220.849120] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:07 executing program 5: accept(0xffffffffffffffff, &(0x7f0000000080)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @rand_addr}}}, &(0x7f0000000100)=0x80) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000140)=@assoc_value={0x0, 0x100000000}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000340)={r1, 0x41, "b8d7aedd79867773390b810a2f837b1622a0755b5a91f11c396dda7aef5793dfe8967672a0f4a95649c9b3db5b1cf60d08d4548ec2956e2dcb10111f5173248d6c"}, &(0x7f00000001c0)=0x49) unshare(0x40600) r2 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x100000001}, 0x1c) bpf$MAP_CREATE(0x0, &(0x7f0000048000)={0xd, 0x3, 0x4, 0x9, 0x0, r2}, 0x2c) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) ioctl$EVIOCGKEYCODE(r3, 0x80084504, &(0x7f0000000200)=""/124) ioctl$TUNATTACHFILTER(r3, 0x401054d5, &(0x7f0000000300)={0x1, &(0x7f00000002c0)=[{0x100000000, 0x8, 0xd3, 0x3d93}]}) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r3, 0xc0045540, &(0x7f0000000040)=0x8) setsockopt$RDS_RECVERR(r3, 0x114, 0x5, &(0x7f0000000280), 0x4) 2018/05/11 20:20:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:07 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x6, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000002c0)='/dev/snd/midiC#D#\x00', 0x2, 0x80081) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000300)=0x6) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f000014f000)={&(0x7f00003c7ff4)={0x10}, 0xc, &(0x7f0000bd7000)={&(0x7f0000000040)=ANY=[@ANYBLOB="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", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000000000000000000000000000000000000033000000ffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000480001006d64350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x138}, 0x1}, 0x0) 2018/05/11 20:20:07 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r0, 0x0, 0xff) ioctl$BLKRAGET(r2, 0x1263, &(0x7f0000000000)) 2018/05/11 20:20:07 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip_vs_stats\x00') preadv(r0, &(0x7f0000331000)=[{&(0x7f0000723f20)=""/127, 0x7f}], 0x1, 0x0) 2018/05/11 20:20:07 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setitimer(0x1, &(0x7f0000000040)={{0x77359400}}, &(0x7f0000000080)) 2018/05/11 20:20:07 executing program 3: r0 = socket(0x11, 0x3, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") getsockopt$netrom_NETROM_T4(r0, 0x103, 0x6, &(0x7f0000000040)=0xd1, &(0x7f0000000080)=0x4) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000001580)='/dev/ptmx\x00', 0x0, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r3, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000240)=[@text64={0x40, &(0x7f00000001c0)="470f01c9440f0766b8ca000f00d8b9620b00000f322626660f38823b0f06c744240094000000c744240266950000c7442406000000000f011424b9600200000f3266b8e0008ee866baf80cb852ae7b83ef66bafc0cec", 0x56}], 0x1, 0x78, &(0x7f0000000080), 0x0) fremovexattr(0xffffffffffffffff, &(0x7f0000000140)=ANY=[@ANYPTR=&(0x7f0000000400)=ANY=[@ANYBLOB="f2f36c"]]) ioctl$KVM_RUN(r4, 0xae80, 0x0) r5 = dup2(r4, r1) ioctl$KVM_RUN(r5, 0xae80, 0x0) 2018/05/11 20:20:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8943, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:07 executing program 4: r0 = semget$private(0x0, 0x6, 0x0) unshare(0x40000) semtimedop(r0, &(0x7f00000a8000)=[{0x3, 0xfffffffffffffff9}], 0x1, &(0x7f0000efe000)={0x2000}) semctl$SETALL(r0, 0x0, 0x11, &(0x7f0000003000)=[0x0, 0x0, 0x0, 0x7fff]) semop(r0, &(0x7f0000000040)=[{0x0, 0x7, 0x1800}], 0x1) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x20, 0x0) r2 = shmget(0x2, 0x4000, 0x8d, &(0x7f0000ffa000/0x4000)=nil) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x9) shmctl$SHM_LOCK(r2, 0xb) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x208281, 0x0) ioctl$VHOST_SET_LOG_FD(r1, 0x4004af07, &(0x7f00000000c0)=r3) unshare(0x40600) 2018/05/11 20:20:07 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4800) write$cgroup_type(r2, &(0x7f0000000080)='threaded\x00', 0x9) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 221.812447] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x7a00000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:07 executing program 5: setitimer(0x1, &(0x7f0000000fe0)={{0x100000000000, 0x2710}, {0x77359400}}, &(0x7f0000000fe0)) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x2000, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r3, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f0000000040)={'bridge0\x00', &(0x7f0000000000)=@ethtool_ts_info={0xa}}) close(r3) close(r2) ioctl$BLKFRASET(r0, 0x1264, &(0x7f0000000040)=0x8) 2018/05/11 20:20:08 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) fremovexattr(r1, &(0x7f0000000000)=@known='com.apple.FinderInfo\x00') sendfile(r1, r2, 0x0, 0xff) [ 221.936454] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:08 executing program 3: r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0x1000) r1 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x3, 0x44002) ioctl$sock_inet_SIOCGIFPFLAGS(r1, 0x8935, &(0x7f0000000080)={'yam0\x00', 0x1}) 2018/05/11 20:20:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x2000000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 222.036296] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:08 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) ftruncate(r2, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:08 executing program 3: syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x40, 0x28800) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f0000000340)="9a0b0000001601c4c27d0e0544c90000f20f102c8c66b85b000f00d80f23e3b9020900000f32c4e31d5c3afc2e660f388232b81769f1070f23c00f21f835030008000f23f80f0176e2", 0x49}], 0xaaaaaaaaaaaaae9, 0x0, &(0x7f0000000280), 0x0) ioperm(0x0, 0x5, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x11000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:08 executing program 1: r0 = open(&(0x7f0000000080)='./file0\x00', 0x40000, 0x100) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000000c0)=@assoc_value={0x0, 0x8}, &(0x7f0000000100)=0xfffffffffffffec5) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5}, &(0x7f0000000180)=0x8) ioctl$KVM_SIGNAL_MSI(r0, 0x4020aea5, &(0x7f00000001c0)={0x2, 0xf000, 0x1, 0x5, 0x80000000}) r2 = syz_open_procfs(0x0, &(0x7f0000000400)="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") ioctl$fiemap(r2, 0xc020660b, &(0x7f00000003c0)=ANY=[@ANYBLOB="0000000000000000000300000000000000240100000000000000000000000000"]) getpeername$packet(r2, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000040)=0x14) 2018/05/11 20:20:08 executing program 2: syz_open_dev$vcsa(&(0x7f00000000c0)='/dev/vcsa#\x00', 0x0, 0x101000) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x80000, 0x0) dup(0xffffffffffffffff) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140)='/dev/hwrng\x00', 0x0, 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000180)={'ip6gre\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}) r1 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x2) write$evdev(r1, &(0x7f0000000080), 0x581d) 2018/05/11 20:20:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8993, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = accept(r0, &(0x7f0000000080)=@vsock={0x0, 0x0, 0x0, @my}, &(0x7f0000000100)=0x80) ioctl$PPPIOCGFLAGS(r1, 0x8004745a, &(0x7f0000000140)) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0x20000) ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, &(0x7f0000000040)) sendmsg$nl_route(r0, &(0x7f00000f4fc8)={&(0x7f0000005000)={0x10}, 0xc, &(0x7f0000121ff8)={&(0x7f0000489fa8)=@bridge_getneigh={0x28, 0x1e, 0xa21, 0xffffffffffffffff, 0xffffffffffffffff, {0x7}, [@IFLA_MTU={0x8, 0xe}]}, 0x28}, 0x1}, 0x0) 2018/05/11 20:20:08 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xd}}}, 0x1c) listen(r1, 0x8aa) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000040, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) shutdown(r1, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x80800, 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000080)={0x0, 0x101}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={r3, 0x7ff, 0x30}, &(0x7f0000000140)=0xc) 2018/05/11 20:20:08 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x9, 0x8001, 0x1c25, 0xfffffffffffffffb, 0x2, 0x8, 0x4, {0x0, @in6={{0xa, 0x4e22, 0x8, @mcast2={0xff, 0x2, [], 0x1}}}, 0x3, 0x8, 0x1, 0x9, 0xffffffffffffffff}}, &(0x7f00000001c0)=0xb0) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000200)={r3, 0x4}, &(0x7f0000000240)=0x8) fchdir(r2) openat$cgroup_int(r2, &(0x7f0000000000)='notify_on_release\x00', 0x2, 0x0) sendfile(r2, r1, 0x0, 0x800202) ioctl$IOC_PR_CLEAR(r2, 0x401070cd, &(0x7f0000000080)={0x1}) 2018/05/11 20:20:08 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000500)=@broute={'broute\x00', 0x20, 0x2, 0x240, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200002c0], 0x0, &(0x7f0000000280), &(0x7f0000000580)=ANY=[@ANYBLOB="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"]}, 0x2db) syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x3ff, 0x80000) [ 222.806013] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:08 executing program 5: sched_setaffinity(0x0, 0x8, &(0x7f0000000040)) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f00000000c0)={0x19, 0x0, 0x9a}) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000240)=[@textreal={0x8, &(0x7f0000000140)="d8aca6420f00de0f32660f5f77f0260f01cb0f01ef0f23970f224267f265de1402b8870e8ee8", 0x26}], 0x1, 0x20, &(0x7f0000000280), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000100)={0xf000, 0x8000}) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) 2018/05/11 20:20:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x100a, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 222.913267] kernel msg: ebtables bug: please report to author: Wrong len argument 2018/05/11 20:20:09 executing program 6: r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) syz_open_dev$sndctrl(&(0x7f0000000080)='/dev/snd/controlC#\x00', 0x6, 0x900) r1 = dup3(r0, 0xffffffffffffffff, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x2, 0x0) bind$ax25(r1, &(0x7f0000000000)={0x3, {"c97fadc5903685"}, 0x3}, 0x10) sendfile(r0, r1, 0x0, 0xff) 2018/05/11 20:20:09 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f0000000280)) r1 = eventfd(0x80000000000000) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x701000, 0x0) ioctl$UFFDIO_UNREGISTER(r2, 0x8010aa01, &(0x7f0000000040)={&(0x7f0000ffa000/0x4000)=nil, 0x4000}) dup2(r1, r0) [ 222.956346] kernel msg: ebtables bug: please report to author: Wrong len argument [ 222.966485] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:09 executing program 4: r0 = getpgrp(0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0xffffffffffffffff}, r0, 0x0, 0xffffffffffffffff, 0x0) clock_nanosleep(0x0, 0x0, &(0x7f0000b92000)={0x77359400}, &(0x7f0000264000)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) clock_settime(0x3, &(0x7f0000000140)={r1, r2+30000000}) clone(0x0, &(0x7f0000b26000), &(0x7f0000ea9ffc), &(0x7f0000bf2ffc), &(0x7f00003b8f33)) ptrace$poke(0x5, r0, &(0x7f0000000040), 0x2) 2018/05/11 20:20:09 executing program 3: getpeername(0xffffffffffffff9c, &(0x7f00000001c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @dev}}}, &(0x7f0000000280)=0x80) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f0000001880)={'erspan0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000019c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000001980)={&(0x7f00000018c0)=@ipv6_getroute={0x84, 0x1a, 0x4, 0x70bd2c, 0x25dfdbfb, {0xa, 0x14, 0x20, 0x8, 0xff, 0x2, 0xff, 0x7, 0x2000}, [@RTA_METRICS={0x48, 0x8, "78da048342999ef9d34de3b4999520b63a657a54d27f34fe78a87b403585cac3262024c972f01be35fa84a6a6b2693593966855972dd9c8b481fa648b48ab32fb8b4f6"}, @RTA_PRIORITY={0x8, 0x6, 0xc0a8}, @RTA_MARK={0x8, 0x10, 0xc3}, @RTA_PREF={0x8, 0x14, 0x6}, @RTA_OIF={0x8, 0x4, r1}]}, 0x84}, 0x1, 0x0, 0x0, 0x91}, 0x8010) r2 = socket(0xa, 0x80000000001, 0x0) ioctl(r2, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000140)=0x0) fcntl$lock(r2, 0x0, &(0x7f0000000180)={0x2, 0x3, 0x7, 0x7, r3}) r4 = socket(0x800000000014, 0x3, 0x0) ioctl$sock_ifreq(r4, 0x8914, &(0x7f0000000240)={'sit0\x00', @ifru_settings={0x7, 0x1, @cisco=&(0x7f0000000100)={0x6, 0x3}}}) ppoll(&(0x7f0000000040)=[{r2, 0x80}, {r2, 0x3420}, {r4}, {r4, 0x4000}, {r4, 0x1}, {r4, 0x8}], 0x6, &(0x7f0000000080)={0x0, 0x989680}, &(0x7f00000000c0)={0x800}, 0x8) 2018/05/11 20:20:09 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r1, 0x80000) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000140)) sendfile(r1, r2, 0x0, 0xff) syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') sysfs$3(0x3) ioctl$KVM_GET_REGS(r2, 0x8090ae81, &(0x7f0000000080)) remap_file_pages(&(0x7f0000bfd000/0x400000)=nil, 0x400000, 0x0, 0x4, 0x80901) 2018/05/11 20:20:09 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x1400, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 223.124434] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:10 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) sendto$inet6(r1, &(0x7f0000bc2000)="81", 0x1, 0x0, &(0x7f0000606fe4)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff}, 0x1}, 0x1c) setsockopt$sock_int(r1, 0x1, 0x7, &(0x7f00006a7ffc), 0x4) ioctl$sock_inet6_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/05/11 20:20:10 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x16, 0x4) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x101101, 0x0) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0505405, &(0x7f0000000300)={{0x2, 0x2, 0x5, 0x0, 0x40}, 0xa23e, 0x5, 0x4}) sendto$inet6(r0, &(0x7f0000000000)="040300000600000000000000c52cf7c21975e697b02f5c566b2b2ff0da0100000011876d886b6621d8d207ccf73f25ffffffbe62159403c7a60000000000000000000000dd5fdced1bf359c3", 0x4c, 0x0, &(0x7f0000000180)={0xa, 0x800, 0x5, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) readv(r0, &(0x7f00000002c0)=[{&(0x7f0000000280)=""/18, 0x12}], 0x1) readv(r0, &(0x7f0000000100)=[{&(0x7f0000000080)=""/118, 0x76}, {&(0x7f00000001c0)=""/144, 0x90}], 0x2) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000540)="bf3590e053d80c69d6f58637549ae6a68e097e75a117d30a894d0772fbdbb6bf10dc8d8f4d93b38f2bc5f28cb8297ec4726c6fcee56d73db826ba48d2069a645bda95cdc68e2cfeba924e9690a1f32b5153a3455e468e565fdedff95c4be1baa4a7f5dd6df3850eea1e7e038214ae4539eb472aba9d1f1c708a74b628304af85ff743fbe391a346fa6ff96d5797cd04bd3aea7382f43eeaf40b7712cf71bb817628ae14714bba2217856aa83451d12bbb9fa70bc473c6d1d74147217970714872ea7bf2deb049553f7") sendmmsg$alg(r1, &(0x7f0000000500)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000380)="b487b47fb6ed5deba0f6b3", 0xb}, {&(0x7f00000003c0)="255aed6048f067491a7a076884c8a77046c192472c428c31195b9603c52eb1c58cb369bab49f185d8421a4a7688ab92a27999e40bb9ba54092fb", 0x3a}], 0x2, &(0x7f0000000440)=[@op={0x18, 0x117, 0x3}, @iv={0x58, 0x117, 0x2, 0x40, "e764c5c2c8fc889e1ee42353842003352d343a6406edc00e660b6a188e78205b76e8f958b884def4bbdd318cbfb5ae72c1b44389541e72dce4c89a910c254d40"}, @iv={0x38, 0x117, 0x2, 0x23, "3744de72d7b84aaeb336be985f0d1b5c0e69d283be25a3be21d70268a727f2b073eb1d"}, @assoc={0x18, 0x117, 0x4, 0x8}], 0xc0, 0x4000000}], 0x1, 0x40004) 2018/05/11 20:20:10 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) ioctl$EVIOCGRAB(r2, 0x40044590, &(0x7f0000000000)=0xfff) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:10 executing program 2: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x6000, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, &(0x7f0000000180)={{}, 0x7, 0x0, 'id1\x00', 'timer1\x00', 0x0, 0x0, 0x6}) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000ff7)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r1, 0xc004743e, &(0x7f0000000000)=""/246) ioctl$sock_bt_hidp_HIDPGETCONNLIST(0xffffffffffffffff, 0x800448d2, &(0x7f0000000000)={0x1, &(0x7f0000000240)=[{}]}) ioctl$EVIOCGREP(r1, 0x40107446, &(0x7f0000000000)=""/174) close(r1) 2018/05/11 20:20:10 executing program 1: r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000080)="82f52c5170538bc4a5b8330d47f6966e", 0x10) r1 = request_key(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000200)='/\x00', 0xfffffffffffffffd) r2 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, r1) keyctl$invalidate(0x15, r2) add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, 0x0, 0x0, r2) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x101000, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000240)) 2018/05/11 20:20:10 executing program 4: r0 = socket(0xb, 0x0, 0x2) ioctl(r0, 0x8913, &(0x7f0000000080)="106c000000700000000000") getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000), &(0x7f0000000040)=0x4) clock_gettime(0xfffffffffffffff8, &(0x7f0000001b00)) 2018/05/11 20:20:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0xc0189436, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:10 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r0, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x7400000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 224.176620] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:10 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x480000) ioctl$EVIOCGKEYCODE_V2(r2, 0x80284504, &(0x7f0000000080)=""/233) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180)='/proc/self/net/pfkey\x00', 0x8040, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xffffff7f, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:10 executing program 4: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x0, 0x0) io_setup(0x8000, &(0x7f0000000040)=0x0) io_getevents(r0, 0x474, 0x1, &(0x7f0000000080)=[{}], &(0x7f00000000c0)={0x0, 0x1c9c380}) bpf$PROG_LOAD(0x5, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000000380)=ANY=[], &(0x7f0000000340)='syzkaller\x00', 0x7, 0xffffffffffffff3b, &(0x7f00000003c0)=""/127}, 0x377) bpf$PROG_LOAD(0x5, &(0x7f0000001fb8)={0x1, 0x5, &(0x7f0000003000)=@framed={{0x18}, [@alu={0x5, 0x0, 0xb}], {0x95}}, &(0x7f0000002ff6)='syzkaller\x00', 0x7e0, 0xfdef, &(0x7f0000002f19)=""/231}, 0x48) [ 224.245581] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:10 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0x103) [ 224.311342] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:11 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4c000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:11 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.cpus\x00', 0x2, 0x0) getrusage(0x0, &(0x7f00000000c0)) r2 = dup3(r1, r0, 0x0) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r2, 0x84, 0x15, &(0x7f0000000080)={0xfffffffffffffeff}, 0x1) sendfile(r2, r2, 0x0, 0xff) openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x80000, 0x0) 2018/05/11 20:20:11 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(tnepres)\x00'}, 0x1cb) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0), 0x0) sendmmsg$alg(r1, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f00000001c0), 0x0, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r1, &(0x7f0000158000)={&(0x7f00002fffa0)=@nfc_llcp, 0x5c, &(0x7f0000000000)=[{&(0x7f000080f000)=""/4096, 0x1000}], 0x1, &(0x7f0000da2000)}, 0x0) r2 = fcntl$dupfd(r0, 0x406, r1) getsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f00000000c0), &(0x7f0000000100)=0xb) 2018/05/11 20:20:11 executing program 4: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x400100, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000100)={0x0, 0x42, "681ba1fb72d35201393b043d9911b1acd428554754ae8fd3fbe806ebdcf960aaa5e9b9a8bc5187df716520e12759fbcabbcdb36eae4311d5b50da72388e00ea48fed"}, &(0x7f0000000180)=0x4a) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000001c0)={r1, 0x6, 0x9, [0x6, 0x7ff, 0xffffffffffffffff, 0x38d, 0x84d, 0x3, 0x1000, 0x4, 0x3]}, 0x1a) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) creat(&(0x7f0000000080)='./file0\x00', 0x4) sendmsg$nl_netfilter(r2, &(0x7f0000000000)={&(0x7f0000791000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000d3dc98)={0x1c, 0x217, 0x10000000000a, 0x1, 0x0, 0x0, {}, [@typed={0x8, 0x2, @pid}]}, 0x1c}, 0x1}, 0x0) 2018/05/11 20:20:11 executing program 2: bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)=0x10001, 0x4) r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4"}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000140)={{0x0, 0x401}, {0x80}}) lseek(r0, 0x0, 0x3) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40505330, &(0x7f0000000240)={{}, {0xffffff80}}) 2018/05/11 20:20:11 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x5450, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:11 executing program 3: r0 = openat$ion(0xffffffffffffff9c, &(0x7f0000005ff7)='/dev/ion\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$ION_IOC_ALLOC(r0, 0xc0184900, &(0x7f0000009fe8)={0xfffb, 0x9, 0x0, 0xffffffffffffffff}) mmap(&(0x7f0000004000/0x4000)=nil, 0x4000, 0x0, 0x6012, r2, 0x0) mmap(&(0x7f0000007000/0x2000)=nil, 0x2000, 0x4, 0x1010, r1, 0x0) 2018/05/11 20:20:11 executing program 5: timer_create(0x7, &(0x7f0000000000)={0x0, 0x0, 0x0, @thr={&(0x7f00000000c0), &(0x7f0000000180)}}, &(0x7f0000000240)=0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) timer_settime(r0, 0x1, &(0x7f0000000080)={{}, {r1, r2+30000000}}, &(0x7f00000000c0)) 2018/05/11 20:20:11 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = creat(&(0x7f0000000100)='./file0\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='security.capability\x00', &(0x7f0000d9ffec)="0000000201000000000000010400000000000000", 0x14, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @broadcast, @local}, &(0x7f0000000140)=0xc) listxattr(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)=""/229, 0x6) fcntl$F_GET_FILE_RW_HINT(r1, 0x40d, &(0x7f0000000380)) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r0, 0xc0405519, &(0x7f0000000040)={0xfff, 0x6, 0x8, 0x100000000, "b6ef05352223c0e92a04cc130157030f58b9c994b1d8d298d29a3584ee5b15fda085c609a7a0a18cba204b4c", 0x76f43c2}) renameat2(r1, &(0x7f0000000080)='./file0/file0\x00', r1, &(0x7f0000000180)='./file0\x00', 0x4) getsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f00000001c0), &(0x7f0000000200)=0x4) 2018/05/11 20:20:11 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000000)={0x7ff, {{0xa, 0x4e24, 0x1, @loopback={0x0, 0x1}, 0x6}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x20039869, @loopback={0x0, 0x1}, 0x7}}]}, 0x110) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={0x0, 0x0, 0x20}, 0xc) write$binfmt_elf32(r0, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20}, [{}]}, 0x58) [ 225.255679] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 225.293722] x86/PAT: syz-executor3:14205 map pfn RAM range req write-combining for [mem 0x183170000-0x183173fff], got write-back 2018/05/11 20:20:11 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000000), 0x8) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:11 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa00, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 225.333498] x86/PAT: syz-executor3:14205 map pfn RAM range req write-combining for [mem 0x184e30000-0x184e33fff], got write-back 2018/05/11 20:20:11 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x0, 0x64031, 0xffffffffffffffff, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_DEBUGREGS(r2, 0x4080aea2, &(0x7f0000000000)={[], 0x3}) 2018/05/11 20:20:11 executing program 6: r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r1 = dup3(r0, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0xff) 2018/05/11 20:20:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = socket$vsock_dgram(0x28, 0x2, 0x0) r2 = dup3(r0, r1, 0x80000) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r2, 0x84, 0x65, &(0x7f0000000000)=[@in={0x2, 0x4e21, @broadcast=0xffffffff}, @in6={0xa, 0x4e23, 0x6, @ipv4={[], [0xff, 0xff]}, 0x3}, @in6={0xa, 0x4e20, 0x2, @ipv4={[], [0xff, 0xff], @rand_addr=0x81}, 0xd9cc}, @in6={0xa, 0x4e21, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x100}, @in={0x2, 0x4e21, @multicast1=0xe0000001}, @in6={0xa, 0x4e22, 0xeb3, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x7}, @in={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @rand_addr=0x1ff}, @in6={0xa, 0x4e20, 0x7ff, @local={0xfe, 0x80, [], 0xaa}, 0x5}, @in={0x2, 0x4e20}], 0xdc) ioctl$sock_SIOCGIFBR(r1, 0x8940, &(0x7f0000000100)=@generic={0x800, 0x7, 0x4}) r3 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) close(r3) ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) [ 225.438962] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:12 executing program 6: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x1, 0x2000) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x0, 0x0) dup2(r0, r1) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r4 = dup3(r3, r2, 0x0) ioctl$TIOCGPTPEER(r3, 0x5441, 0x7) sendfile(r3, r4, 0x0, 0xff) 2018/05/11 20:20:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xc0ffffff, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:12 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x62dc, 0x0, 0x0, 0xa4d6}) r3 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x0, 0x80) ioctl$SIOCGIFMTU(r3, 0x8921, &(0x7f0000000080)) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/11 20:20:12 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000040)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000270031030000000000dd000012000000a0ecfaab544b1fa53241c1b0a09178031cde183828"], 0x14}, 0x1}, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x5c, 0x28900) getsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000180)=0x4, &(0x7f0000000140)=0x25e) 2018/05/11 20:20:12 executing program 3: syz_mount_image$btrfs(&(0x7f00000000c0)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000240)="8da4363a00000000000000000000000000000000000000000000000000000000ecf6f2a3299748aeb81e1b00920efd9a000001", 0x33, 0x10000}], 0x0, &(0x7f0000000140)) r0 = shmget(0x3, 0x1000, 0x78000411, &(0x7f0000ffd000/0x1000)=nil) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000280)={{{@in=@multicast2, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}}}, &(0x7f0000000000)=0xe8) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000400)='./file0/file0\x00', &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f00000004c0)=0x0) r6 = getpid() shmctl$IPC_SET(r0, 0x1, &(0x7f0000000500)={{0x6, r1, r2, r3, r4, 0x4, 0x3}, 0x0, 0x10001, 0x31975457, 0x20, r5, r6}) 2018/05/11 20:20:12 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8916, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:12 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x0, 0x0) ioctl$TCGETA(r0, 0x4004556e, &(0x7f0000000000)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e21}}, [0x232fcc4f, 0x2, 0x3, 0x7f, 0x24d9, 0x7, 0x3, 0x2, 0x3, 0x0, 0x6, 0x0, 0x7, 0x62f, 0x1]}, &(0x7f0000000180)=0x100) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f00000001c0)={r1, 0x5e, "5a737cb3ee5638b96c85d2194a5f6905717331272d3b02d2cb1d1951d09c106d6d61534c44d74b168c59e2edaf9961a42f62ceb674869db8c24f6ccf8fec0151a05d9bfdfb24b2e0800ba87dbe6f1d9332ff4a255b86cfb9bc7bf66c98a6"}, &(0x7f0000000240)=0x66) 2018/05/11 20:20:12 executing program 4: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x100000, 0x8000000000, @loopback={0x0, 0x1}, 0x2000000005}, 0x1c) sendmsg(r1, &(0x7f0000014fc8)={&(0x7f0000006ff0)=@in={0x2, 0x4e23, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000140)="9110c0341349b81269d1892a4387f431d35f5a6594d1718a78fcd46105d3f32f0135fe6a74dc9becb3292bbecc2822f4516cad04dc31c44be2d8ea129660c2cec7a1e4d84e7c51347d3f32311b68326c9e3cb727a7cd8f86960d165ed8988b9a06ea7ccff16e69841f3e01a8b7e8f55fb091abf94dd1ba5ce34cc4798be0554b5d4ac7d8bbb7eba701684f77bb87cfc9f5ec3c40604b031ca29676d6024d0b14", 0xffffff83}, {&(0x7f00000000c0)="db16d182d3f7ac5a88e6554a3dcbd1ca43c9e36ec77ebd7400bd63509c1230fa", 0x20}, {&(0x7f0000000200)="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", 0x8e}], 0x3, &(0x7f000001ef80)=ANY=[@ANYBLOB="2000010010050400ef000097fcffffff000000000000e0ff0000000000000000"], 0x20}, 0x0) bind$unix(r0, &(0x7f0000000040)=@abs={0x1, 0x0, 0x4e21}, 0x6e) [ 226.102065] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:12 executing program 3: r0 = socket(0x8, 0x0, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r1, &(0x7f00000000c0)=@create_id={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000080)={0xffffffff}, 0x2}}, 0x20) write$rdma_cm(r1, &(0x7f0000000180)=@resolve_ip={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, {0xa, 0x0, 0x0, @dev={0xfe, 0x80}}, r2}}, 0x7dbc) write$rdma_cm(r1, &(0x7f0000000040)=@get_event={0xc, 0x8, 0xfa00, {&(0x7f0000000240)}}, 0x10) 2018/05/11 20:20:12 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) fchmod(r2, 0x1) getsockopt$inet6_buf(r2, 0x29, 0x2b, &(0x7f0000000080)=""/2, &(0x7f00000000c0)=0x2) syz_open_dev$evdev(&(0x7f00000001c0)='/dev/input/event#\x00', 0x3, 0x400203) sendfile(r1, r2, 0x0, 0xff) openat$cgroup_int(r2, &(0x7f0000000000)='cpuset.mem_exclusive\x00', 0x2, 0x0) ioctl$SG_GET_ACCESS_COUNT(r2, 0x2289, &(0x7f0000000140)) ioctl$EVIOCGSND(r2, 0x8040451a, &(0x7f0000000100)=""/25) 2018/05/11 20:20:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(aes)\x00'}, 0x58) r1 = accept$ax25(0xffffffffffffff9c, &(0x7f0000000000), &(0x7f0000000040)=0x10) getpeername$ax25(r1, &(0x7f0000000200), &(0x7f0000000240)=0x10) getpeername$ax25(r1, &(0x7f0000000100), &(0x7f0000000140)=0x10) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7", 0x10) r2 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000000180)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f00000037c0)="a7118230eef5e420406dc6a099da077d64d054e0293b261fd23e223ac994e771d39076c63413ac4c3797871c905a3788788903cb54e0b814d561537a2e51405ff0b5bbcb5fe7f41a21b44db2d47be29e7e805a6d3d2a98cea5945db9b758fad872a60d0c8531afe1dbf4d5962f155c685eb8975a7feafedf838264a64caf9ed61617b79b77d069e76fd54e623a555cba8ba8ca09edd10a35df95900f9d33c0a1432915befb630f3817870dd103772719", 0xb0}], 0x1, &(0x7f0000001a00)}], 0x1, 0x0) recvmsg(r2, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x80, &(0x7f00000013c0)=[{&(0x7f0000000300)=""/171, 0xab}, {&(0x7f00000003c0)=""/4096, 0x1000}], 0x2, &(0x7f0000001400)=""/6, 0x6}, 0x0) 2018/05/11 20:20:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6800, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:12 executing program 5: r0 = getpid() perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x2}, r0, 0x0, 0xffffffffffffffff, 0x9) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f000014f000)={&(0x7f00003c7ff4)={0x10}, 0xc, &(0x7f0000bd7000)={&(0x7f0000c07e98)=@newsa={0x138, 0x10, 0x713, 0x0, 0x0, {{@in=@rand_addr, @in6=@dev={0xfe, 0x80}}, {@in6, 0x0, 0x33}, @in=@broadcast=0xffffffff, {}, {}, {}, 0x0, 0x0, 0xa, 0x2}, [@algo_auth={0x48, 0x1, {{'md5\x00'}}}]}, 0x138}, 0x1}, 0x0) [ 226.256116] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:12 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f00000001c0)=[@textreal={0x8, &(0x7f0000000140)="0f20e06635000002000f22e0baa00066b86a916be566ef65f2a50f35440f20c0663501000000440f22c066b8090001000f23d00f21f86635100000040f23f866b9560b000066b80000000066ba000000000f3066b9800000c00f326635010000000f30b801008ed00f21f6", 0x6b}], 0x1, 0x0, &(0x7f0000000000), 0x0) ioctl$KVM_S390_VCPU_FAULT(r2, 0x4008ae52, &(0x7f0000000040)=0x9) getsockname(0xffffffffffffffff, &(0x7f0000000080)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, &(0x7f0000000200)=0x80) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000240)={{{@in=@rand_addr, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6}}, &(0x7f0000000340)=0xe8) bind$packet(r3, &(0x7f0000000380)={0x11, 0xff, r4, 0x1, 0x3b, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x14) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000000)={0x1, 0x0, [{0x480}]}) 2018/05/11 20:20:12 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) dup3(r1, r0, 0x0) sendfile(r0, r1, 0x0, 0x400000000000ff) 2018/05/11 20:20:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x14, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:12 executing program 4: r0 = socket(0x10, 0x2, 0x0) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000200), &(0x7f0000000240)=0x8) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000280)=ANY=[@ANYBLOB="08000000000007008ebe625503007f003f010000d8485552a0b9fe4f8a2d31afae6397b46dace360fae1b4ceb2afa31283dead7face1eb6857b6cd13fdb6598c6d88bd"], 0x14) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000164ff0)={0x2, &(0x7f0000000000)=[{0x8000000000b1}, {0x6}]}, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DEST(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1}, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r0, 0x8919, &(0x7f0000000140)={'bcsf0\x00', {0x2, 0x4e21, @multicast2=0xe0000002}}) connect$netlink(r0, &(0x7f0000000180)=@proc={0x10, 0x0, 0x25dfdbfc, 0x1}, 0xc) 2018/05/11 20:20:12 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000280)={0x2}) r2 = socket$inet(0x2, 0x6, 0x2) setsockopt$sock_int(r2, 0x1, 0x2f, &(0x7f0000000000)=0x6, 0x4) ioctl$KVM_IRQ_LINE_STATUS(r1, 0xc008ae67, &(0x7f0000000300)={0x1f, 0x2}) r3 = memfd_create(&(0x7f0000000240)="402670726f626b7379721a6e6700", 0x0) r4 = syz_open_dev$sndseq(&(0x7f0000f36000)='/dev/snd/seq\x00', 0x0, 0x8000000000102) r5 = dup2(r4, r3) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000040)={0x0, 0xc9c2}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_STATUS(r3, 0x84, 0xe, &(0x7f0000000140)={r6, 0x7bce, 0x7, 0x3, 0x5cc, 0xffffffff, 0x1, 0x3, {r7, @in6={{0xa, 0x4e21, 0x80000000, @mcast1={0xff, 0x1, [], 0x1}, 0x8}}, 0x80000001, 0x2, 0x5, 0x8, 0x10001}}, &(0x7f0000000200)=0xb0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r5, 0xc08c5332, &(0x7f000030c000)={0x0, 0x0, 0x0, "98de7a8c5ae95ec8792c92150fc33a664f13eeab65c0322901ca6bd31bde2c51f06c5f0b014f9f91eeb7647c7240f476c8d75dd000aa8faf8fb5740200a6dc4d"}) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$sndseq(r3, &(0x7f0000e6ffd0)=[{0x1e}], 0x30) get_thread_area(&(0x7f00000002c0)={0x5, 0x20000800, 0xffffffff, 0x2b1b, 0x2e, 0x101, 0xfffffffffffffff8, 0x0, 0x7fff}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r5, 0xc05c5340, &(0x7f0000742000)={0x0, 0x0, 0x0, {0x0, 0x1c9c380}}) [ 226.427741] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:13 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) 2018/05/11 20:20:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x48, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:13 executing program 4: r0 = perf_event_open(&(0x7f00000bf000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000014f88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r0) r2 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0xff, 0x40000) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @empty, @multicast1}, &(0x7f0000000100)=0xc) getsockopt$bt_hci(r2, 0x0, 0x1, &(0x7f0000000340)=""/152, &(0x7f0000000400)=0x98) sendmsg$nl_route_sched(r2, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000140)=@deltfilter={0x144, 0x2d, 0x220, 0x70bd2c, 0x25dfdbfc, {0x0, r3, {0xd, 0xfffb}, {0xf}, {0xfff1, 0xffed}}, [@TCA_RATE={0x8, 0x5, {0x100000000}}, @filter_kind_options=@f_bpf={{0x8, 0x1, 'bpf\x00'}, {0xec, 0x2, @TCA_BPF_ACT={0xe8, 0x1, @m_bpf={0xe4, 0x12, {{0x8, 0x1, 'bpf\x00'}, {0xc, 0x2, @TCA_ACT_BPF_OPS_LEN={0x8, 0x3, 0x5}}, {0xc8, 0x6, "e77222cf97454652df0be1c861f738c0efd244c6fabcf76d6d8c5cadca904276cd78c45b3320f9caeef1ef6a643d52c0965faaf75e5856c06b7d6852aea6f62fcfd8725cc6dad65e6d03e67b3111ba5149b6ee5c57f33a145c3bff257cc01780800763e3b07e991ef7c733c7dabc3ca313d0f2aa38dfe5d4b68ccc01be044c71cf6fb375adfb6bed57075271677726af415699241da3db283634224d968edc2fb7f4e514aaff68b266b079ccdad8bd67e369f1dad1d351ba28aca87e04229b729ba4"}}}}}}, @filter_kind_options=@f_basic={{0xc, 0x1, 'basic\x00'}, {0x10, 0x2, @TCA_BASIC_POLICE={0xc, 0x4, @TCA_POLICE_RESULT={0x8, 0x5, 0xffff}}}}, @TCA_CHAIN={0x8, 0xb, 0x80}]}, 0x144}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 2018/05/11 20:20:13 executing program 1: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0x9a, "9822bfe902e5659036ec114d79b69d876965e823be0c1a781cc771de2674d5b830f0a442281ab3279a0ecde4dd03869bbc59e6be4e9c00cc9e2c652b4885befcbdf212318b119cda07c866f4e5b4c44dfe3c8286fefa68513fd950125c08f764fc5ea120d6b2daa0712a5b05e59987ef8a6b81842083e872d7495ed4007a9e5dd3a29ca2b27803a570ff7823a7ec953ce2426e47b06d70dd6f70"}, &(0x7f0000000240)=0xa2) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000100)={r1, @in6={{0xa, 0x4e23, 0x80000000, @ipv4={[], [0xff, 0xff], @rand_addr=0x30b}}}, 0x40, 0x2, 0x5, 0xfffffffffffffff8, 0x81}, &(0x7f00000001c0)=0x98) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000200)={r1, 0x7, 0x2, [0xf52, 0x4bc0]}, 0xc) 2018/05/11 20:20:13 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8970, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:13 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0xc008ae88, &(0x7f0000000000)=ANY=[@ANYBLOB="0100000000000000044d564b00000000000000000000000042b89dae8f91aab80bf6b48f96a17c28a4b29d5a8027edb8bdb2f54ad6e56566eb01ea8a51ab3417004b5c81a200db1c0b8bc569fbac9e8a3bbde30a571ae71291d0fb4f7fe29523bf8d8e3b03693d3e742d6c21434910a33e2fe01910c63c16b26066447be9e56a9d81fecce430bc9007bdd612fb94bb4f72414ff6e5d1ecf53d3afc5345f5fc309d11233b9bc55685c884a9f340d4e30d15ef42078a55ee101f65629a3d22ec7592ecbcf341e38b2cd50de294fa1f7dbbf6187cdb275e85fdab869d793e78a1208c889beb9d25e6a96e6e6f3bef69"]) 2018/05/11 20:20:13 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ppp\x00', 0x4a001, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r0, 0x40405515, &(0x7f0000000100)={0xfffffffffffffffd, 0x1, 0x6, 0x100, "ce4102d0ab62441b51dd6e75ec88821c056a757d8383456b8d799cb92ab91c7bc5deb69b57fa264579ea1391", 0x800}) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000000)=""/246) pwritev(r0, &(0x7f0000f65000)=[{&(0x7f000024ffb9)="80fd0f883b16", 0x6}], 0x1, 0x0) 2018/05/11 20:20:13 executing program 3: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000001e80)='/dev/autofs\x00', 0x42000, 0x0) bind$rds(r0, &(0x7f0000001ec0)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) socket(0x4, 0x2, 0xb8) r1 = socket$can_raw(0x1d, 0x3, 0x1) bind$rds(r1, &(0x7f0000000080)={0x2, 0x0, @rand_addr}, 0x10) [ 226.968965] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x200000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:13 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) sendto$inet6(r0, &(0x7f0000003fd9), 0x0, 0x0, &(0x7f0000008000)={0xa, 0x8100, 0xd, @loopback={0x0, 0x1}}, 0x1c) getsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/05/11 20:20:13 executing program 4: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x58b, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, r1, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r1, 0x2401, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x5, 0x30000) mmap$binder(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x2000002, 0x813, r2, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x0) 2018/05/11 20:20:13 executing program 5: ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) capset(&(0x7f0000000540)={0x399f1336, r0}, &(0x7f00000005c0)={0xd929, 0x0, 0x5f60, 0x400, 0x9, 0x6}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(camellia-asm)\x00'}, 0x58) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000300)='/dev/zero\x00', 0x800, 0x0) setsockopt$bt_BT_POWER(r2, 0x112, 0x9, &(0x7f0000000340)=0xb8e9, 0x1) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00000000c0)="0a0775b005e381e5b3b60ced5c54dbb75546e5e3b477406a09872c74007eb251c39df6a7e1dbd4521a958176d1e8fed7f833fad628ad967a9a881b3e", 0x2) r3 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r3, &(0x7f00000002c0)=[{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000200)="268ceb0f39fa6cd856d55e662b318c136f12496ed9d31d05719843cfd73314ef2134f6bc139f2919b8ab59b9cf5e7566018ca2666ffa5b0000000000000000deadf4770fd853361b0cbf0e5891e28360d59e2a0692bbe1884659dd73ec0fc8bbf401a59b0201b60944aab1bca8b5798c3cb7725b7353b5c7f47bab558996082b7be0c45bc3530e16bc331462b1", 0xd1}], 0x1, &(0x7f0000000080)=[@assoc={0x0, 0x117, 0x4, 0x8000}], 0x18}], 0x1, 0x0) recvmsg(r3, &(0x7f0000000500)={&(0x7f0000000100)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast1}}}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000180)=""/106, 0x6a}], 0x1, &(0x7f0000000400)=""/203, 0xcb}, 0x0) 2018/05/11 20:20:13 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") setsockopt$inet_group_source_req(r0, 0x0, 0x2f, &(0x7f0000000040)={0x5, {{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}}}, 0x108) inotify_add_watch(0xffffffffffffffff, &(0x7f00000001c0)='./file0\x00', 0x0) [ 227.109013] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:13 executing program 6: ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000200)=0x0) r1 = syz_open_dev$sndpcmp(&(0x7f0000000240)='/dev/snd/pcmC#D#p\x00', 0x9, 0x482080) r2 = perf_event_open(&(0x7f0000000140)={0x3, 0x70, 0x20, 0x8, 0x8, 0x3, 0x0, 0x4, 0x200, 0x3, 0x0, 0x1, 0x7f, 0x1, 0x81, 0x3f, 0x230646e0, 0x3, 0x5, 0x1, 0x7f, 0x0, 0xffff, 0x3, 0x7, 0x800, 0x5, 0x2, 0x8, 0x10000, 0x0, 0x10001, 0x1, 0x3, 0xb8a, 0x36fd, 0xffffffff, 0x3a65, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000100), 0x4}, 0x20000, 0x20, 0x8, 0x4, 0x7, 0x7ea3, 0xdf}, r0, 0xc, r1, 0x3) syz_open_dev$midi(&(0x7f00000002c0)='/dev/midi#\x00', 0xfffffffffffeffff, 0x200201) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)="2efffffffffffffffc6e65742f73797a300035986788aa4c39c2a9852123f4f00eb754b466926f88516544b4a5330ec75c2f56f3e16bd4d7", 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000280)='team_slave_1\x00') r5 = dup3(r4, r3, 0x0) sendfile(r3, r2, 0x0, 0xff) perf_event_open$cgroup(&(0x7f0000000080)={0x4, 0x70, 0xa14, 0x6, 0x8, 0x8, 0x0, 0xffffffff00000001, 0x1000, 0x1, 0x4, 0x7, 0x0, 0x3, 0x3, 0x7, 0x3, 0x5, 0x4, 0xfffffffffffff800, 0x4, 0x0, 0x0, 0xe8, 0xc2, 0x6, 0xfff, 0x7fff, 0x1, 0x6, 0x3, 0x9, 0x5, 0xffffffffffffffff, 0x1, 0x4, 0x8, 0x6, 0x0, 0x5, 0x1, @perf_bp={&(0x7f0000000000), 0x4}, 0x20, 0x3, 0x2, 0x0, 0xffffffffffffffff, 0xfffffffffffffffa, 0x6}, r3, 0x10, r5, 0x8) shmget$private(0x0, 0x2000, 0xa08, &(0x7f0000ffc000/0x2000)=nil) 2018/05/11 20:20:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:13 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) 2018/05/11 20:20:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x0, 0x0) sendmsg$nl_generic(r0, &(0x7f0000b3dfc8)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f00000001c0)={0x1c, 0x22, 0x109, 0x0, 0x0, {0x5}, [@typed={0x8, 0xa, @u32}]}, 0x1c}, 0x1}, 0x0) [ 227.258886] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:13 executing program 3: perf_event_open(&(0x7f0000000340)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x803, 0x440000000000005) ioctl$sock_proto_private(r0, 0x89e1, &(0x7f0000000180)) r1 = semget(0x1, 0x4, 0x0) semctl$SETVAL(r1, 0x4, 0x10, &(0x7f0000000040)=0x5) 2018/05/11 20:20:13 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) mkdirat$cgroup(r0, &(0x7f0000000000)='syz0\x00', 0x1ff) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:13 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000cab5b3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000c03000)={{0x20000000000080, 0x3}, "0a4ceaa05dad126e00000002a1569b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42d576589701a4", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}) r1 = memfd_create(&(0x7f0000033ff3)="0100000076626f786e65743100", 0x0) r2 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) r3 = dup2(r2, r1) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r3, 0xc0a85352, &(0x7f00006e7f50)={{0x80}, 'port0\x00'}) 2018/05/11 20:20:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:13 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="0400024eca0200b612ec6f") r1 = socket$inet6(0xa, 0x3, 0x6) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x6, [], 0x1}}, 0x1c) getsockopt$sock_int(r1, 0x1, 0x1c, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 2018/05/11 20:20:13 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) 2018/05/11 20:20:13 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8913, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:13 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000e99000)={0x0, 0x57b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000001, 0x5}, 0xb) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000040), 0x4) ioctl$sock_ifreq(r0, 0x8992, &(0x7f0000000080)={'team0\x00', @ifru_data=&(0x7f0000000000)="c852941b96c0ef5a1e1dcf75c2229bf9b9aa39193e417a9f78ffe1f6b17d8849"}) shutdown(r0, 0x1) close(r0) 2018/05/11 20:20:13 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) pwritev(r0, &(0x7f0000001540)=[{&(0x7f00000001c0)="53f2818b7e0d527ac900a623eb2b9869766f3872a5ab1b358636a364df76c3fa1afdc3aa167c81038a9269fc51faeea0c3cf7ed54af191a3760fc2d23c0cabcc1005396c4f135dadd611f5ddf6909ee99ab7c8ea23387580ba28d22c20b0c239747d343accdcd99114dfdb36238c8a2032549dfc7a6121ad08ff68e1b54363f9ae6e800f2c161a7132b4316436b69d7b66306967c0835e64505f3d5f605eeda303c0e74fe77c53467811a17d2e9d7698e76b948fbe0370a5b8ed94a2869d219f1178b9feaf2b8ab50a5240680ae47d3d18d9e6c32ea42dd0a6fc9a8b22172de2bd08652b26899e4d738aa1543b9da132e94d86dea9", 0xf5}, {&(0x7f0000000100)="8d80463db2cb721ccb5a5394d7fda454306d64ca5c19f4eb8bc5145322037f4d49b01e72412e1252f9399d4c3df2434fa5fdbc181812b7079c0d1a2ca7816fac8eb9381d88b2b213cad5dafaf9126d34e0ad0f70301cf63acd", 0x59}, {&(0x7f00000002c0)="a4997b373b9e0434ac42334d5e4309d52d76b50e98fa508ecef181ea37037921ad996214557b18b23ed608ff33415057004a6bfb7fbec6dc750d786e6e45ffdaa04ce2351587501ea8e93e2aa764e231a05ca2218a42c76489d4f0c6615505e83a179616a715c62c6b2f", 0x6a}, {&(0x7f0000000340)="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", 0x1000}, {&(0x7f0000001340)="c9c9fe857e7bc8153bd5fe17ef9b988ffd6133257c59334708d3bb2f4ac0b2177c4d4adb7ca0efe174423f8c46d9316c3deccb930897bf6603cbdb77f7457c0a3c218232a90ac6f5fbc69c0ef6a87ab7baedc7b01aed8803899efbb264a681bc8f59c702a057e4157bf0ed53acf431353ca520d6950d37e295a71098bed4a9c12021bd4bb9ad08ab336e2b0d23f69ac8f45b49ef3e7f5887de9fdd9d443c5982c9b07dcdb043cbc454357b9fb3e372a29309e5a1620241ed71a6e29bd62aed41bb69a22522b63fa3c25426e88cdd580c0e8a142d4fc3a6076ede55671326f6d83652826bbfd9", 0xe6}, {&(0x7f0000001440)="a62298bef96333658fb5fe92c6e167ad3552eec1c848ffcbd911a639ab69b10294e207ba7a5029e33b10bb86af1b09786eea295f054b4f398738bf4f91c2f86a3ae2ae9218381a9e6e89b3a60159553c0ffa173be9939cc719d17d9810", 0x5d}, {&(0x7f00000014c0)="fb0943de5648f7a3317f56d284d1c2fe588de2afa4c2745f92f6916bfd549b2163b5b7dd4951194d329972252fdc5a59e314f0fa467ffba7872c1421c4790a59f38e361077ec6875e651da6392b94fc7f25794740b092da44018d00afc3645440f8436ad937f040ea2d2294bab8b09327d43193fa7d4fe5ff1e125a69afa", 0x7e}], 0x7, 0x0) syz_extract_tcp_res$synack(&(0x7f00000015c0), 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r2, 0x84, 0x1e, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$sock_inet_tcp_SIOCINQ(r2, 0x541b, &(0x7f0000000000)) [ 227.873634] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:14 executing program 5: perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x70, 0x1e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$binder(&(0x7f0000f5b000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000f68000)={@loopback={0x0, 0x1}, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_opts(r1, 0x29, 0x37, &(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x8) setsockopt$inet6_int(r1, 0x29, 0x21, &(0x7f000089b000)=0xffffffffffffffff, 0x4) r2 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x0, 0x20000) getpeername$packet(r2, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000100)=0x14) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x4e20, 0x807}, 0x1c) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r2, 0x10e, 0x8, &(0x7f0000000140)=0x7, 0x4) setsockopt$inet6_opts(r1, 0x29, 0x3b, &(0x7f000067c000)=@fragment, 0x8) sendmmsg(r1, &(0x7f0000ad9000)=[{{0x0, 0x0, &(0x7f0000bff000), 0x0, &(0x7f0000cc3fe8)=[{0x10}], 0x4}}], 0x1, 0x0) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x80, 0x0) ioctl$KVM_CREATE_DEVICE(r3, 0xc00caee0, &(0x7f0000000040)={0x1, r1, 0x1}) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x20011, r0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f00000002c0)={0x0, @in={{0x2, 0x4e21, @multicast2=0xe0000002}}, 0x1ff, 0x8, 0xffffffffffff0001, 0xffffffffffffff07, 0x4}, &(0x7f0000000380)=0x98) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f00000003c0)={r4, 0xd2, "a3622a19ed3e63f4a7dce3621b73c4f7b806a2bcc88769b4ae4e4270c79fcb52fe4d4a8ddb46d82c16486974c5da10fcb8b205c7920a319f3f2146ae1fef5621dc75127fecda30731584a3387930d8b068f368bdf97442c8c10db07a87d68ce4a977cba6c908fccc58b2ef5a6f2a050d23dc947e0612ee4187c174dca5bb27f8f5d527c44efc570e2e1834475543069f94dcf2097e3f28225ae13780e197aedf62d09bc23aef0a614ec3fa6dd47f6617575dd01a79e76dc46b680fe8d88b60ad63bc6d0439eb1c2e84f511f255621b4b07e7"}, &(0x7f00000004c0)=0xda) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000008000)={0x10, 0x0, &(0x7f0000004fbc)=ANY=[@ANYPTR=&(0x7f000026c000)=ANY=[], @ANYPTR=&(0x7f000000afd0)=ANY=[]], 0x0, 0x0, &(0x7f0000009000)}) 2018/05/11 20:20:14 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x1, 0x0) setsockopt$ax25_int(r1, 0x101, 0x2, &(0x7f00000001c0)=0x5, 0x4) r2 = openat$cgroup_ro(r0, &(0x7f0000000180)='cpuset.effective_cpus\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) ppoll(&(0x7f0000000200)=[{r0}], 0x1, &(0x7f0000000280)={r3, r4+10000000}, &(0x7f00000002c0)={0x7}, 0x8) read$eventfd(r2, &(0x7f0000000080), 0x8) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0106426, &(0x7f0000000140)={0x9, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) 2018/05/11 20:20:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xec6d020000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:14 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x80000) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:14 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) [ 228.001867] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:14 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x55, 0x200) r1 = syz_open_procfs(0x0, &(0x7f0000000080)="2f65786500000000000035abe1e80d903e0d717ac1889a45e581c9e14a5c8f95f5d2968ae8c767e9d18fd69a") ioctl$fiemap(r1, 0xc0189436, &(0x7f0000000000)={0x0, 0x0, 0x4, 0x0, 0x2c6}) ioctl$fiemap(r1, 0xc020660b, &(0x7f00000002c0)={0x4, 0x0, 0x7, 0x400, 0x9, [{0x0, 0x421a0a2f, 0x1, 0x0, 0x0, 0x2108}, {0x7, 0xb49, 0xffffffffffff6997, 0x0, 0x0, 0x2484}, {0x7, 0xa42, 0xfffffffffffffffc, 0x0, 0x0, 0x1800}, {0x53e2, 0x15a0, 0x78a1, 0x0, 0x0, 0x2300}, {0xd60, 0x92, 0x7000, 0x0, 0x0, 0x600}, {0x101, 0x9a8c, 0xffffffffffff4139, 0x0, 0x0, 0x2080}, {0x3f, 0x6, 0xffffffff, 0x0, 0x0, 0xa02}, {0x6, 0x3f, 0xbfa, 0x0, 0x0, 0x100}, {0xfffffffffffffff7, 0xfffffffffffffe01, 0x9, 0x0, 0x0, 0x80}]}) [ 228.078153] binder: 14443:14444 unknown command 539410432 [ 228.096313] binder: 14443:14444 ioctl c0306201 20008000 returned -22 [ 228.151905] binder: BINDER_SET_CONTEXT_MGR already set [ 228.164227] binder: 14443:14444 ioctl 40046207 0 returned -16 [ 228.186564] binder: 14443:14462 unknown command 539410432 [ 228.193685] binder: 14443:14462 ioctl c0306201 20008000 returned -22 2018/05/11 20:20:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3c00, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:14 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={0x1, 0x28, &(0x7f00000000c0)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={r1, 0x3, 0x10}, 0xc) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = dup3(r2, r0, 0x0) getsockopt$IP_VS_SO_GET_INFO(r3, 0x0, 0x481, &(0x7f0000000000), &(0x7f0000000080)=0xc) sendfile(r2, r3, 0x0, 0xff) 2018/05/11 20:20:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$binder(&(0x7f00000003c0)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap$binder(&(0x7f0000265000/0x14000)=nil, 0x14000, 0x0, 0x10011, r0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) r1 = syz_open_dev$binder(&(0x7f0000f5b000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000008000)={0x44, 0x0, &(0x7f0000004fbc)=ANY=[@ANYBLOB='\x00c@@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00(\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYPTR=&(0x7f0000000040)=ANY=[@ANYBLOB="852a627300000000", @ANYPTR=&(0x7f00004edf8a)=ANY=[@ANYBLOB='\x00'], @ANYBLOB="01000000000000e500a577ba3abc844f2d68b1dea931dda1809ca1c1c12ff3ef761bbd"], @ANYPTR=&(0x7f000000afd0)=ANY=[]], 0x0, 0x0, &(0x7f0000009000)}) 2018/05/11 20:20:14 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) sendfile(r1, 0xffffffffffffffff, 0x0, 0xff) 2018/05/11 20:20:14 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000dacff8)=@assoc_value={0x0, 0x200}, 0x8) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f000098effc), 0x4) writev(r0, &(0x7f00007f2000)=[{&(0x7f0000001f40)="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", 0x55f}], 0x1) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={0x0, 0x0, 0x20}, 0xc) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000b40)="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", 0x200}], 0x1) recvmsg(r0, &(0x7f0000000240)={&(0x7f0000000300)=@ethernet={0x0, @dev}, 0x80, &(0x7f0000000b00)=[{&(0x7f0000003f80)=""/4096, 0x1000}], 0x1}, 0x0) r1 = dup(r0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r1, 0x4010640d, &(0x7f0000000080)={0x4, 0xffffffff}) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000005c0)={0x4}, 0x10) writev(r0, &(0x7f0000000380)=[{&(0x7f00000002c0)="16", 0x1}], 0x1) recvmsg(r0, &(0x7f0000000180)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000000100)=[{&(0x7f0000000d40)=""/4096, 0x1000}], 0x1, &(0x7f0000000480)=""/92, 0x5c}, 0x0) 2018/05/11 20:20:14 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x89a2, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:14 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000040)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(tnepres)\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0), 0x0) sendmmsg$alg(r1, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f00000001c0), 0x0, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) writev(r1, &(0x7f0000000580)=[{&(0x7f0000000400)="0edf51535e86051d10f244844fbc57b50c0c4a55e2b24c6d23519a5446b9c08a4a2b45b6e924dfcfdea1a9afde2db770", 0x30}], 0x1) recvmsg(r1, &(0x7f0000158000)={&(0x7f00002fffa0)=@nfc_llcp, 0x80, &(0x7f0000000000)=[{&(0x7f000080f000)=""/4096, 0x1000}], 0x1, &(0x7f0000000100), 0x0, 0xfffffffffffffdfc}, 0x0) 2018/05/11 20:20:14 executing program 2: r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x0, 0x400) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000240)={0xa4, r1, 0x700, 0x70bd28, 0x25dfdbff, {0xd}, [@IPVS_CMD_ATTR_DEST={0x34, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x9}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xcfd}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xf9}, @IPVS_CMD_ATTR_SERVICE={0x54, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x3}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x3e}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0xc040) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000500)={0x26, 'aead\x00', 0x0, 0x0, 'rfc4543(gcm(aes))\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000080)="d179f2060000000000000008a230e7a657f9cc6e", 0x14) r3 = accept$alg(r2, 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(r3, &(0x7f00000051c0)=[{{&(0x7f0000003c00)=@rc, 0x80, &(0x7f0000003c80), 0xa8, &(0x7f0000003cc0)=""/4096, 0x1000}}, {{&(0x7f00000001c0)=@rc, 0x80, &(0x7f0000005100)=[{&(0x7f0000005000)=""/226, 0xe2}], 0x1, &(0x7f0000005180)=""/39, 0xffffffb2}}], 0x2, 0x0, &(0x7f0000005340)={0x0, 0x989680}) [ 228.738753] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf0a, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:14 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cdroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) r3 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x103403, 0x0) r4 = fcntl$getown(r3, 0x9) capget(&(0x7f0000000080)={0x39980732, r4}, &(0x7f00000000c0)={0x2, 0x60, 0x3, 0x7, 0x7, 0x3}) [ 228.787361] binder_alloc: binder_alloc_mmap_handler: 14479 20265000-20279000 already mapped failed -16 [ 228.816564] binder: BINDER_SET_CONTEXT_MGR already set [ 228.834191] binder: 14479:14482 ioctl 40046207 0 returned -16 2018/05/11 20:20:14 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) ioctl$KVM_RUN(r5, 0xae80, 0x0) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) 2018/05/11 20:20:14 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000001400)='/dev/snd/pcmC#D#c\x00', 0x6, 0xa001) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000001480)) socketpair(0x13, 0x804, 0x4, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SG_IO(r3, 0x2285, &(0x7f0000001380)={0x0, 0xffffffffffffffff, 0x81, 0x3, @buffer={0x0, 0x1000, &(0x7f00000001c0)=""/4096}, &(0x7f00000011c0)="9f0f19f0a0aaeff751c0eb0d318020667479eef5eae791f342d984e031c1da9b4b2b8cfed13bb759394ceb90001bcfc8907752236a267f8cfab8e5dd9a2afcfeac3b9ba99db9fd197db5048b6c0912472458ebffea8f938b95b37948ab4ef11d0ce502ff5f24a29f5333894ffb24074bc73d8f66d4bd7881b6f090b9fdd9347aa1", &(0x7f0000001280)=""/193, 0x3, 0x2, 0xffffffffffffffff, &(0x7f0000000140)}) prctl$void(0x3f) r4 = dup3(r0, r0, 0x7fffe) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r4, 0x40a85323, &(0x7f0000000080)={{0xd81, 0x48}, 'port1\x00', 0x0, 0x800, 0x4, 0x100, 0x3, 0x7ff, 0x1, 0x0, 0x4, 0x8}) sendfile(r1, r4, 0x0, 0xff) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x2400, 0x4) [ 228.876906] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:15 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r1 = memfd_create(&(0x7f000088f000)='b\n\x00', 0x4) ftruncate(r1, 0x1000000) read(r1, &(0x7f00000004c0)=""/50, 0xfffffe9e) 2018/05/11 20:20:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x2000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:15 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x0, &(0x7f0000000100)=0x0) io_getevents(r0, 0x210, 0x2, &(0x7f0000000140)=[{}, {}], &(0x7f0000000180)) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-camellia-aesni\x00'}, 0x58) r2 = accept4$alg(r1, 0x0, 0x0, 0x0) io_setup(0x401, &(0x7f000014b000)=0x0) io_submit(r3, 0x1, &(0x7f000049bfe8)=[&(0x7f00004dbfc0)={0x0, 0x0, 0x0, 0x8, 0x0, r2, &(0x7f0000391000)}]) r4 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0xf1c, 0x100) setsockopt$netrom_NETROM_T4(r4, 0x103, 0x6, &(0x7f00000000c0)=0x4, 0x4) [ 228.937936] binder: release 14479:14482 transaction 52 out, still active [ 228.945356] binder: undelivered TRANSACTION_COMPLETE [ 228.965701] binder: send failed reply for transaction 52, target dead 2018/05/11 20:20:15 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) [ 229.021512] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf401, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:15 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = dup3(r1, r1, 0x0) sendfile(r1, r2, 0x0, 0xff) [ 229.118092] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:15 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000040)=0x100, 0x4) sendto$inet6(r0, &(0x7f0000000240)="0401000000c000ddb8460900ffb25b4202938207d9fb3780398d5375c5f73f939029298d7535352cd5a1f575903376b15cddc7d0c6a722a59a7a033b970720a42f2a2bb404e1b50000000000000000f55d4626a880be8bc3cfaeba524830be0ea8635534f8291d9fb2ce4361", 0x6c, 0x0, &(0x7f0000000200)={0xa, 0x200000800, 0x20000000005, @loopback={0x0, 0x1}}, 0x1c) 2018/05/11 20:20:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x400000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:15 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") r1 = syz_open_procfs(0x0, &(0x7f0000000080)='/exe\x00\x00\x00\x00\x00\x00') r2 = memfd_create(&(0x7f0000000ffe)='$\x00', 0x0) write(r2, &(0x7f0000000000)="2f44a858d3034b916ca5a107", 0xc) ftruncate(r2, 0x5) sendfile(r2, r2, &(0x7f0000001000), 0xfec) accept4$packet(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000280)=0x14, 0x80800) bind$packet(r0, &(0x7f00000002c0)={0x11, 0x8, r3, 0x1, 0x8, 0x6, @random="c6b83ab3edda"}, 0x14) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x11, r2, 0x0) ioctl$fiemap(r1, 0xc020660b, &(0x7f0000000180)=ANY=[@ANYBLOB="008657fdddf400a4b600010000022182125782000000947000000000a8d6075e9f07d9bfe3710b05a782335da235596f6cb2d43c5d52b43d5ec398d3802979861baa989e5029015759e221afb65ee4298e5b0529"]) 2018/05/11 20:20:15 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000182000)={&(0x7f0000184000)={0x2, 0xf, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, [@sadb_x_policy={0x8, 0x12, 0x0, 0x3, 0x0, 0x0, 0x0, {0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @in=@multicast1=0xe0000001}}, @sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, @sadb_x_sec_ctx={0x1, 0x18}]}, 0x88}, 0x1}, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x9, 0x8000) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f0000000040)=0x7fff) 2018/05/11 20:20:15 executing program 2: r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x0, 0x400) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000240)={0xa4, r1, 0x700, 0x70bd28, 0x25dfdbff, {0xd}, [@IPVS_CMD_ATTR_DEST={0x34, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x9}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xcfd}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xf9}, @IPVS_CMD_ATTR_SERVICE={0x54, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x3}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x3e}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast2={0xff, 0x2, [], 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0xc040) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000500)={0x26, 'aead\x00', 0x0, 0x0, 'rfc4543(gcm(aes))\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000080)="d179f2060000000000000008a230e7a657f9cc6e", 0x14) r3 = accept$alg(r2, 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(r3, &(0x7f00000051c0)=[{{&(0x7f0000003c00)=@rc, 0x80, &(0x7f0000003c80), 0xa8, &(0x7f0000003cc0)=""/4096, 0x1000}}, {{&(0x7f00000001c0)=@rc, 0x80, &(0x7f0000005100)=[{&(0x7f0000005000)=""/226, 0xe2}], 0x1, &(0x7f0000005180)=""/39, 0xffffffb2}}], 0x2, 0x0, &(0x7f0000005340)={0x0, 0x989680}) 2018/05/11 20:20:15 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:15 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8903, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:15 executing program 1: r0 = socket(0xa, 0x1, 0x0) r1 = getpgid(0x0) getresuid(&(0x7f0000000240), &(0x7f0000005800)=0x0, &(0x7f0000005840)) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000005b00)={{{@in=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@local}}, &(0x7f0000005c00)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000025c0)={0x0}, &(0x7f0000005ec0)=0xfffffd6f) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000005f00)={{{@in=@broadcast, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@loopback}}, &(0x7f0000006000)=0xe8) stat(&(0x7f0000006040)='./file0\x00', &(0x7f0000006080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000006100)=0x0) lstat(&(0x7f0000006140)='./file0\x00', &(0x7f0000006180)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000006200)={0x0, 0x0, 0x0}, &(0x7f0000006240)=0xc) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000006280)=0x0) r11 = getuid() fstat(r0, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000006340)=0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000006380)={{{@in=@multicast2, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@mcast1}}, &(0x7f0000006480)=0xe8) stat(&(0x7f00000064c0)='./file0\x00', &(0x7f0000006500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000006580)=0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000065c0)={{{@in=@broadcast, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6}}, &(0x7f00000066c0)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000006700)={0x0, 0x0, 0x0}, &(0x7f0000006740)=0xc) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000006780)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000067c0)={{{@in=@dev, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@dev}}, &(0x7f00000068c0)=0xe8) getresgid(&(0x7f0000006900), &(0x7f0000006940)=0x0, &(0x7f0000006980)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000069c0)={0x0}, &(0x7f0000006a00)=0xc) getresuid(&(0x7f0000006a40), &(0x7f0000006a80)=0x0, &(0x7f0000006ac0)) lstat(&(0x7f0000006b00)='./file0\x00', &(0x7f0000006b40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(r0, &(0x7f0000006d00)={&(0x7f0000000200)=@proc={0x10, 0x0, 0x25dfdbfe, 0x1010000}, 0xc, &(0x7f0000005e00)=[{&(0x7f00000002c0)=ANY=[@ANYBLOB="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@generic="2bc82dd871e5d607a187bc05dd29db30d83844f2d8fbc10df73d8b87d3d3a5f3000ea9335308f73ede87098432884ed9e8cf43ac78ad17cea6833eb7e1b672fb0eab0ad5150fa22ef446b6103eb9a6a3d6eeed8a4b0ecf9dd4de84d6f8ce5c987233e9036dacd7a3c99e7eb90530b26eba2700788563fa57336bf40a1df23316985e490f2f01dfecfbb81f50dd5851bd4228bdec3ed747d873bc", @typed={0x4, 0x6e, @binary}, @typed={0x8, 0x15, @u32=0x7}, @generic="e24134e1f0", @typed={0x8, 0x96, @u32=0x7}]}, @typed={0x4, 0xe}]}, 0x1e0}, {&(0x7f0000005a80)={0x64, 0x15, 0x2, 0x70bd2b, 0x25dfdbfe, "", [@nested={0x54, 0x1, [@generic="fedefb7784361e2618", @generic="ba4fe594883901f9666ba63c833ab44f163313633c4ec40fa34c07ed014e71e6743f4da19728ca42ba003b737046d0f03804f9fa4dd50893382ad819fe3f6fa961b0765eebf0"]}]}, 0x64}, {&(0x7f0000005c40)={0x1bc, 0x27, 0x300, 0x70bd2b, 0x25dfdbff, "", [@generic="9f253c6974682e77010b76887261630b328e0c1fd929905ca8cba36a1eae1e398e762be06a037d8f4810858b86e6470b7e73ccbfeff9a971005abadb8f78b87309b8b46bb9b1c9fc7cc49014eea90766125849421dcda195948f7ed8312ab04d94a5fc9f49", @nested={0x144, 0x0, [@typed={0x8, 0x35, @u32=0x3}, @typed={0x8, 0x65, @ipv4=@broadcast=0xffffffff}, @typed={0x8, 0x73, @uid=r3}, @typed={0x4, 0x29}, @generic="1a14ba12a49d150fcefbfb3aac4b5279e96615a03b49139d5d15fc9eaa8094480a73156eeda9f353a96934e8f3e3aeed307bb2b18fa76d5cc704c4001dccf469ca8af9d2f161502706de0ad4d282976a8886ea958d87c0867c99b30b507fb63944183c771e9c8280f849550f7ce595948168f4ee1dd50909c0994aee5d6500ef00723a8b75", @generic="eb3e79d13df686c52516a2aedc84f480d0f78fba144fb0426651279fa3b537a8536859b36c630d96c4c604691e4526f98ee6b1442635cd40c8bc94fe927d9079e2df0c1bb086461e63ad134d6d0ec1cefc9ccc4eda5fdf8283016bc9d2a17fef68300ab1c8513ff7303c9fa7ffdef0ad4fc088982943e6b5e964e981f6e2419a7893314281b8b001d294bf512d00b94f178316840814b10bd516bee77531e3"]}]}, 0x1bc}], 0x5, &(0x7f0000006bc0)=[@cred={0x20, 0x1, 0x2, r4, r5, r6}, @cred={0x20, 0x1, 0x2, r7, r8, r9}, @rights={0x10, 0x1, 0x1}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r10, r11, r12}, @cred={0x20, 0x1, 0x2, r13, r14, r15}, @cred={0x20, 0x1, 0x2, r16, r17, r18}, @cred={0x20, 0x1, 0x2, r19, r20, r21}, @cred={0x20, 0x1, 0x2, r22, r23, r24}], 0x120, 0x800}, 0x8801) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r25 = socket(0xa, 0x802, 0x0) r26 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x101000, 0x0) ioctl$EVIOCGKEY(r26, 0x80404518, &(0x7f00000000c0)=""/120) getsockname$packet(r25, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000180)=0x14) connect$inet6(r25, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_int(r25, 0x0, 0x1000000000001, &(0x7f0000000040), 0x19a) ioctl$EVIOCSREP(r26, 0x40084503, &(0x7f00000001c0)=[0x400, 0x1]) [ 229.650590] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:15 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0xa0201, 0x0) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r0, 0xc0305302, &(0x7f0000000180)={0x2, 0x8, 0x39057c00, 0x9, 0x80000001, 0x2e04}) r1 = socket(0x40002000a, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r2 = socket$inet6(0x10, 0x2000000003, 0x0) sendmsg(r2, &(0x7f0000000080)={&(0x7f0000000000)=@nl=@kern={0x10}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000100)="5500000018007fb3b72d1cb2a4a2f9930a60000000a84308910523693900090020000000000000001900050000000000000000dc1338d5440700000000000000fb83de4407aa7227c43ab8220000060cec4fab91d4", 0x55}], 0x1, &(0x7f00000000c0)}, 0x0) 2018/05/11 20:20:15 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000000)=ANY=[@ANYBLOB="020000000000000008000080130000000000003967000000000000000000000001000000000000000000000000000000000000000000000024869d576ccef96e3ea34ec7300616e742f3a9fe114f0418ec4ec92f317db19c5176e61a2d124b4d1c9233c0a99916941a55cc7713de12af23fcbf43d593986e400778e643190adfbdd4d19388103c388f7137a9a304afb456a7e26c94eb84181446f1182bb8876bf6103fcc4438"]) r3 = syz_open_dev$adsp(&(0x7f00000000c0)='/dev/adsp#\x00', 0x18000000000, 0x40) setsockopt$IPT_SO_SET_ADD_COUNTERS(r3, 0x0, 0x41, &(0x7f0000000140)=ANY=[@ANYBLOB="66696c746572000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004e0ddf7b664b62940000000000000000000000"], 0x68) 2018/05/11 20:20:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x7000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:15 executing program 6: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) r2 = memfd_create(&(0x7f0000002901)='dev ', 0x0) write(r2, &(0x7f0000000080)="16", 0x1) sendfile(r2, r2, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000040)=@assoc_value={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000140)={r3, @in6={{0xa, 0x4e22, 0x1, @local={0xfe, 0x80, [], 0xaa}, 0x401}}, 0x5, 0xaf0}, &(0x7f0000000200)=0x90) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000280)={r4, 0x60, "c87397ef54fd375f530b492b9319904ba8c3aba8ed5d15199eb9bcdfc9000250981bf493323a563c609c812aff00e37ea58536a6da16f348009d977b7dd269c2485460c6ca13afbefc06c34a9ac1c328973dfd9f3bc2b1781024460882e23be4"}, &(0x7f0000000300)=0x68) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'ifb0\x00'}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ifb0\x00'}) 2018/05/11 20:20:15 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) [ 229.735272] IPv6: NLM_F_REPLACE set, but no existing node found! [ 229.805012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:16 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:16 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000400)=0x0) process_vm_readv(r1, &(0x7f0000000500)=[{&(0x7f0000000440)=""/3, 0x3}, {&(0x7f0000000480)=""/100, 0x64}, {&(0x7f0000000640)=""/185, 0xb9}, {&(0x7f0000000700)=""/194, 0xc2}, {&(0x7f0000000800)=""/147, 0x93}, {&(0x7f00000008c0)=""/4096, 0x1000}, {&(0x7f00000018c0)=""/253, 0xfd}, {&(0x7f00000019c0)=""/166, 0xa6}], 0x8, &(0x7f0000001cc0)=[{&(0x7f0000001a80)=""/103, 0x67}, {&(0x7f0000001b00)=""/47, 0x2f}, {&(0x7f0000001b40)=""/174, 0xae}, {&(0x7f0000001c00)=""/174, 0xae}], 0x4, 0x0) syz_open_dev$urandom(&(0x7f00000003c0)='/dev/urandom\x00', 0x0, 0x400) r2 = add_key$keyring(&(0x7f00000002c0)='keyring\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) add_key$user(&(0x7f0000ef5000)='user\x00', &(0x7f00008fa000)={0x73, 0x79, 0x7a}, &(0x7f0000537ffd)='\x00', 0x1, r2) getuid() r3 = add_key$user(&(0x7f0000688000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000580)="b33ab56039ebe0d14f729cd653e520d29ad7ef00000000009f0044c2494d24230b9387fbcf59ef70995bf2e8e0ecd3fff32853747eda22d2818d08ca27e0ec821620e365a0e6b9485f2d925493f62113e33e5f8c7eba67fc193e18243d07e5849d2e875b066cd6401d36616fe0f3c300281db4627ee7597689525e8e81f750a86eb580fb4690ea52246bd3d32b1a91f944edb74b1f50ae08c5387ed8fd0598b600579f3af3f864e1c324f6928f6672f98f7e149bd61bd78b506e8b000000045f", 0xc0, r2) r4 = request_key(&(0x7f0000a98ffb)='user\x00', &(0x7f0000626000)={0x73, 0x79, 0x7a}, &(0x7f0000dde000)="2f6465612f7675746f66730719", 0x0) r5 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x10000) getsockopt$inet6_tcp_buf(r5, 0x6, 0x21, &(0x7f0000000300)=""/147, &(0x7f00000001c0)=0x93) keyctl$dh_compute(0x17, &(0x7f0000000100)={r4, r3, r4}, &(0x7f0000000180)=""/42, 0x2a, &(0x7f0000000140)={&(0x7f0000000200)={'sm3-generic\x00'}}) 2018/05/11 20:20:16 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_X86_SET_MCE(0xffffffffffffffff, 0x4040ae9e, &(0x7f0000000000)={0xfffffffffffffffc}) ioctl$KVM_GET_PIT(r1, 0xc048ae65, &(0x7f0000000040)) 2018/05/11 20:20:16 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) setsockopt$RDS_CANCEL_SENT_TO(r1, 0x114, 0x1, &(0x7f0000000140)={0x2, 0x4e21, @rand_addr=0x6}, 0x10) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) ioctl$sock_bt_bnep_BNEPCONNADD(r3, 0x400442c8, &(0x7f0000000080)=ANY=[@ANYRES32=r0, @ANYBLOB="00100000ffff98628aeffb5f499ff168536e07bf7ff02d814fc0413e726b12f9dffca5e8c7aebebddaccf1b615817f5516d2e0f2e812e0fae431ff82eb855b66c47031d17765316350cdb46779ffaa24841605b960425887c369314c8159794e7fb1a41b1197edc861e6974d32fc7de278956493"]) write(r0, &(0x7f0000000100)="2400000000000001000080000000770100027e5db9e7000081cc7b01b2fcc2b68452a928", 0x24) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f0000001200)={0x2, &(0x7f00000011c0)=[{}, {}]}) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0x482, &(0x7f0000000180)=""/4096, &(0x7f0000001180)=0x1000) 2018/05/11 20:20:16 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:16 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x541b, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:16 executing program 5: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000001ff0)={0x1d}, 0x10) io_setup(0x3ff, &(0x7f0000000180)=0x0) io_submit(r1, 0x1, &(0x7f0000000140)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f00000000c0)="230000008cf46cfde19a4e3bcfbdbedee32e68b3a251fd2cfd77ca4d9c7afae320bbf22a2ce3cb58fa63c42a238cb85f1023fa813c9a0e46", 0x3c5, 0x2, 0x0, 0x1}]) 2018/05/11 20:20:16 executing program 2: setitimer(0x0, &(0x7f0000000000)={{0x0, 0x7530}}, &(0x7f00000000c0)) setitimer(0x2, &(0x7f0000001ac0)={{0x0, 0x7530}, {0x77359400}}, &(0x7f0000001b00)) r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x20040, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000140)=0xc) r1 = getpgid(0xffffffffffffffff) r2 = syz_open_procfs(r1, &(0x7f0000000080)='schedstat\x00') setsockopt$netlink_NETLINK_NO_ENOBUFS(r2, 0x10e, 0x5, &(0x7f0000000180)=0x5, 0xffffffc3) [ 230.854010] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:17 executing program 5: mmap(&(0x7f0000000000/0xf50000)=nil, 0xf50000, 0xfffffffffffffffd, 0x36, 0xffffffffffffffff, 0x0) r0 = socket(0x1e, 0x1, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) ioctl$sock_ipx_SIOCAIPXPRISLT(r0, 0x89e1, &(0x7f0000000180)=0x4) getresuid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100)=0x0) r3 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x400, 0x0) ioctl$VHOST_GET_FEATURES(r3, 0x8008af00, &(0x7f0000000200)) r4 = getegid() setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={r1, r2, r4}, 0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000240)={{{@in6=@loopback, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6}}, &(0x7f0000000340)=0xe8) getsockopt$IPT_SO_GET_REVISION_TARGET(r3, 0x0, 0x43, &(0x7f00000003c0)={'icmp\x00'}, &(0x7f0000000400)=0x1e) connect$packet(r3, &(0x7f0000000380)={0x11, 0x6, r5, 0x1, 0x101, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}}, 0x14) getsockopt(r0, 0x10f, 0x0, &(0x7f0000003fb3)=""/4, &(0x7f0000000ffc)=0x4) 2018/05/11 20:20:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4c, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:17 executing program 6: r0 = syz_open_dev$binder(&(0x7f000000fff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000007000)={0x8, 0x0, &(0x7f0000005fd4)=[@acquire={0x40046305}], 0x0, 0x0, &(0x7f0000002000)}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000008fd0)={0x4, 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="0e630c40"], 0x0, 0x0, &(0x7f0000000f4d)}) chmod(&(0x7f0000000040)='./file0\x00', 0x2c) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f000000dfd0)={0x4, 0x0, &(0x7f000000cf68)=[@enter_looper={0x630c}], 0x1, 0x0, &(0x7f0000008f37)="c2"}) 2018/05/11 20:20:17 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:17 executing program 3: r0 = socket(0x1, 0x6, 0xfffffffffffffffe) write(r0, &(0x7f0000cd9fde)="220000001800070700be0000090007000a00921e0000000900f8ff0005000280ff45", 0x22) 2018/05/11 20:20:17 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f000059aff4)='/dev/ashmem\x00', 0x0, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PPPIOCGL2TPSTATS(r2, 0x80487436, &(0x7f0000000040)="8c108d5677d77e123ce031934de1891c0f2cddfdcdbaa561b17715dbd94c62c15f6e39170334dcb1fc52606576b9723a1510ffe50ffe9c2b4546639ad6921faf8306e6a216b67b154cf53669c99e3cae397986fd3d49ac9463aaa795a8d5628b6885458d8eede4ddb45f4960be0dd06d329ffb7196a39af87109d691b5") [ 231.025017] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 231.054988] binder: 14648:14649 Acquire 1 refcount change on invalid ref 0 ret -22 2018/05/11 20:20:17 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:17 executing program 3: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000223fd4)=[@in6={0xa, 0x4e23}], 0x1c) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f00009b1ffc)=0xfffffffffffffff9, 0x4) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") sendto$inet6(r0, &(0x7f00000007fa)="97", 0x1, 0x0, &(0x7f00006f9000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$inet6(r0, &(0x7f0000001800)=""/50, 0x32, 0x0, &(0x7f0000001a00)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt(r1, 0x6, 0x1, &(0x7f0000000000)=""/175, &(0x7f00000000c0)=0xaf) close(r0) 2018/05/11 20:20:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4000000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 231.077382] binder: 14648:14649 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 [ 231.111757] binder: 14649 RLIMIT_NICE not set 2018/05/11 20:20:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x300, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 231.168593] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 231.239352] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:17 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x4000, 0x0) ioctl$GIO_CMAP(r0, 0x4b70, &(0x7f00000000c0)) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)="2e2f0967726f75c57f0bd274c2ceded6e7d13f2418b6a59d000000000000000000000000000000", 0x200002, 0x0) pwritev(r0, &(0x7f0000000800)=[{&(0x7f0000000180)="d9c839fa30fcb8433cd162fffa741d992298e2289d0ddf971f29d8a8f27454d0d103d18ca5efc4b9315b268bd4b91e4cc67ed1fa9e62014409b555259b72f0435a140a25aefc768c16d8f7eefa84d0c46a598ab8651cb19cfe59a1d060ec624ed206dc5389", 0x65}, {&(0x7f0000000200)="81f0c9750200d7b53d0ad00819ea852458ff1bdc854705835cfa03930c0c7683316b3b27b5f0e9d6cf633e1b30d7eed986d7b3e0b2607b7431894f941bc22c6b85b6cc8ee65ca2cec3811775cf48808a448236d2f16c4e63d5a5b72a836812ea06d04d865359aba109ea32be3fc03e014ab77cf38e60fa2de0816d77d165ddd774ce53ee057cb145cbaad841b75aadf23517488b27e9bec2e64246ded29d735777ba58bf043f353dc5995405b2b96440c31e44565192808b51a2f0e582399adde0e718f131ca2010c52fac125b0ec23d42", 0xd1}, {&(0x7f0000000300)='w', 0x1}, {&(0x7f0000000340)="9f26dac9572208197a3afd8ed4adffd740a22066c029b1127a2569db66af6f4c50d1d50d24b6901f15f9c16ac78e40529e3555e3261c5ae09a0228f8c747873fe108488aec5a252916622125bac13e36be1b5e354766546c7bb09a359f17d8b143493c461db15545e7edbf95d5500bf7a6de0e071b6f439fc9120e9c6c47a33352d9388c1f542409c2068782cce3675516f6f97e7a1ab5eced587795bd316408b9f401c7f7022b7160", 0xa9}, {&(0x7f0000000400)="e15b16ebff69d1bf95b6ebf88ade3e78b163272fe9dcab78f011c2b52bcfabe7dab4f20a81763d7941ca2ce41b318444156b4677a7a55da6ff8972f87739701237e11335287a52cb76210c56a8e7ef1aaf327ff82e3b16dd3ca36f64d83ade9c0fc2ea7f679099c415f78517b41e70400b24", 0x72}, {&(0x7f0000000480)="3bbca57be9a0bb5aadcbbe613a3d65a9e36aeaf36ef04d539effac18ea437081b5a76f0659b5b2c24aa45333831e531c405d2dcec75ce7f8872a5a6cd67be05db027017572406d1551e207c6722c8d125d8207b396d0d51672f684eb1836a5b0f85af4b114e46ff9b8704a03d7126f487ae88fe30895393ea92d1a06a35e522a6cd972f1fc1287272b6f1fc3b2bc72224ddf885740e327da194ae61126c20d7666739a5a0e29d1ae25f664f4453f4a83d1b8a02d9066e10a35b5142d1dada65e59e4", 0xc2}, {&(0x7f0000000580)="316b4e94f7053755919bbe9f2248ae48d9bdc832377984288e2b6f7330555ad339edf37134805cbd6d9e37fbaa7406c0b57e5bca11cb6ff5e49ae9d43d2976dc0af3ca228a0c952b99cb282df778823ed0ee5274bfed8fdca6918ef82a6fbc8ce4537286ee7cdf9431dc753aa2c56c9eb36c11c18587e68f35fa3efcbc6738f726ea640072c228e941837ab89e524868369cf17f8f774ce22c229cda622e5715d84c61f52c6bb7efb3a777f84f2dafd8d7313f4f93ba9842ca1f99ae2a83311ad062ba62540b4e3fc1659d89e88737a8386266f3a2dc0a5562ca952465961bcf74f238", 0xe3}, {&(0x7f0000000680)="07097be776ce051c4581a2767d6d7177380500618ce37ed5aaf02c4ce58aeacd3c3d96fa0014fc754fddca5e4b213a824f7ccc12c200c758164a7640dce93a9372eb6683a4166fdd0115ef8a25e57e5072f80d2194cd21d756edf7d278338699bcb24aaad7a56a4a7ba3b8a637d8e5540f50ab96df43cfd2551f82c843e7caae2f00c7beb9c6b7727c3b32aef0a91a6edd968fc6b0d5a376b8a3a94223d0e9fb6423f6512079a58c552b4deeac01191fe302340d2e46b57543ce3108f1f69f4a4dd8", 0xc2}, {&(0x7f0000000780)="92cc7f454d22c605259ffff4d884a23323292c9fbe34088d8af489f4e6ee1c61", 0x20}, {&(0x7f00000007c0)="da0b5852f976b85b428daf7725bba2c24db1eafdaae8a577b8d6a9a27d81f0dcf2a66d4ab1a04a09ab6346f322b18d27c65f11f69687e57625e2c13b", 0x3c}], 0xa, 0x0) r2 = openat$cgroup_ro(r1, &(0x7f0000000040)='cpuset.effective_cpus\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r0, 0x80045300, &(0x7f0000000100)) read$eventfd(r2, &(0x7f0000000080), 0x8) 2018/05/11 20:20:17 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x215, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeda, 0x0, 0x0, 0x0, 0xf2]}) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) read(r1, &(0x7f000066b000)=""/1, 0x1) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000fd0ffc)) r2 = gettid() r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000a40)='/dev/sequencer2\x00', 0x400, 0x0) getsockname$inet6(r3, &(0x7f0000000a80)={0x0, 0x0, 0x0, @mcast1}, &(0x7f0000000ac0)=0x1c) timer_create(0x0, &(0x7f0000066000)={0x0, 0x12}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x989680}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) tkill(r2, 0x1000000000016) recvmmsg(0xffffffffffffffff, &(0x7f00000001c0)=[{{&(0x7f0000000000)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000080)=""/153, 0x99}], 0x1, &(0x7f0000000180)=""/9, 0x9, 0xbdf}}], 0x1, 0x10000, &(0x7f0000000200)) write$binfmt_aout(r1, &(0x7f0000000300)={{0x1cc, 0x3, 0x9, 0x1a3, 0x338, 0x0, 0x64, 0x7}, "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", [[], [], [], [], [], []]}, 0x71b) madvise(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0) setsockopt$inet6_buf(r4, 0x29, 0x7f, &(0x7f0000000240)="5b659f239cd0d653b908162f3721e65abf10ed37c8c0db8530d9ce6c31a62d0c820ba6a1de568e9bf33e516d454b1bf4656727e9ff7ce3f267fdf566efeb91521053b64751a1c5866317f15d113ed330dc1a33df28b6635c48fe3beeafcd6bc475163de11a7bf376c60bf98df2f2a3e95db0b0d32597cbf7e4208280a940b4bc7a94b5939e572b5a08e995acee69073a1cf82bcc8e1e7a71938bb51877164f28", 0xa0) 2018/05/11 20:20:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xffffffff00000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) connect$inet(r0, &(0x7f00000001c0)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) shutdown(r0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x80001, 0x0) accept$nfc_llcp(r1, 0x0, &(0x7f0000000040)) 2018/05/11 20:20:17 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000040)='./file0\x00', 0x20) syz_open_pts(r0, 0x80) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080), &(0x7f00000000c0)=0xb) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000440)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/05/11 20:20:17 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x7ff, @local={0xfe, 0x80, [], 0xaa}, 0xff}}, 0x401, 0x7e00000000000}, &(0x7f0000000000)=0x90) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={r1, 0x200}, 0x8) sendto$inet6(r0, &(0x7f0000b31000)="f9", 0x1, 0x0, &(0x7f00009e1000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) socket$can_bcm(0x1d, 0x2, 0x2) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000080), 0x4) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000002c0)={0x0, @in={{0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x1e}}}, 0x0, 0x0, 0x0, 0x0, 0xc}, 0x98) 2018/05/11 20:20:17 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8983, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) [ 231.852559] binder: 14648:14687 Acquire 1 refcount change on invalid ref 0 ret -22 [ 231.863947] binder: 14648:14686 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 2018/05/11 20:20:18 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x802, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x37, &(0x7f0000000040)=@srh={0x0, 0x0, 0x4}, 0x8) getsockopt$inet6_opts(r0, 0x29, 0x3f, &(0x7f0000000080)=""/114, &(0x7f0000000100)=0x72) setsockopt$inet6_buf(r1, 0x29, 0x39, &(0x7f0000000000)="ff020400001b000500000000000000000000000000000205", 0x18) sendto$inet6(r1, &(0x7f0000f3afc2), 0x0, 0x0, &(0x7f0000b86000)={0xa, 0x4e21, 0x0, @dev={0xfe, 0x80}}, 0x1c) [ 231.923508] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:18 executing program 6: open(&(0x7f0000000000)='./bus\x00', 0x100000141842, 0x0) syz_mount_image$ntfs(&(0x7f0000000440)='ntfs\x00', &(0x7f0000000480)='./bus\x00', 0x0, 0x0, &(0x7f0000000300), 0x1000, &(0x7f0000000740)=ANY=[]) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000002000)='./bus\x00', 0x44006, 0x0) syz_mount_image$hfs(&(0x7f00000000c0)='hfs\x00', &(0x7f00000001c0)='./control/file0\x00', 0x0, 0x1, &(0x7f0000000300)=[{&(0x7f0000000200), 0xfffffd83}], 0x0, &(0x7f0000001a00)=ANY=[]) write$binfmt_script(r0, &(0x7f0000000100)=ANY=[@ANYBLOB="2321202e2f636f6e74726f6c2f66696c653020776c616e302f6c6f47504c656d3021236d643573756d2a20232120202321200f6e74667300206e746673002023212020686673002023212020686673000a59e015fdd0ded939572c546e53be8d96901cad3b939ffbbd1cd99efe5895d6a033ef03dea96b6ef2db6cb2f8cb9ace0b7affff768c0dc6b9034898b4d84ef089d4ebcb8208"], 0xfffffe8a) sendto$ipx(r0, &(0x7f0000000200)="7e67f6f00506ed9f9cb5e6d585da289c580e0f27c2bad5246921116e8d2cbf70051d80dbc9aaaf61865454f44572879188b7ee72fccc3bbf28def676f484ae1e863385a291506e5ffc6ca10ef160f4563209a8db67eb3a48629922f7213a5c86828a38dcf0c188dc603f7d828d5e2090d0c3b3d9c7166f7cfe82e9a334a9013a5509ba5409", 0x85, 0x20000000, &(0x7f0000000040)={0x4, 0x100000000, 0x2, "72d55ce1a734", 0x1}, 0x10) 2018/05/11 20:20:18 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3c00000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:18 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:18 executing program 3: r0 = perf_event_open(&(0x7f0000a0f000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x81}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000080)=0x2) [ 232.079937] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:18 executing program 5: r0 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x224, 0x80080) ioctl$DRM_IOCTL_DROP_MASTER(r0, 0x641f) socket$packet(0x11, 0x2, 0x300) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vga_arbiter\x00', 0x389000, 0x0) connect$ax25(r1, &(0x7f0000000300)={0x3, {"b58dd92a7f17af"}, 0x7}, 0x10) setsockopt$packet_buf(r1, 0x107, 0xd, &(0x7f00000003c0)="b7038579841128911b7de2775c24185cd30a74b4673d4d6c179ed977837e5eb382693cadeacff85136fe4f975ed424f5cccfea8b65e147557f6518819df84091761f4433578ef22e2df70ccc50741fa162dd9bcb9b042dfeab7f187d7959279eeee1b46b5908903b", 0x27) socket$packet(0x11, 0x2, 0x300) setsockopt$inet6_udp_int(r1, 0x11, 0x67, &(0x7f0000000080)=0xa6a9, 0x4) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/packet\x00') readv(r2, &(0x7f00000002c0)=[{&(0x7f00000000c0)=""/144, 0x90}, {&(0x7f0000000180)=""/199, 0xc7}], 0x2) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000340)={0x2b0, @time={0x0, 0x1c9c380}, 0x8, {0x0, 0x9}, 0x400, 0x1, 0x4}) 2018/05/11 20:20:18 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/enforce\x00', 0x0, 0x0) setsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000040)=0xffff, 0x2) lseek(r0, 0x0, 0x4) 2018/05/11 20:20:18 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6c000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:18 executing program 3: unshare(0x80008282) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000b00)={0x7, 0xffffffffffffffff}) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000bc0)={0x0, @in={{0x2, 0x4e20, @broadcast=0xffffffff}}, 0x2, 0x40000000000000, 0x8, 0x1, 0x20}, 0x98) r1 = syz_open_dev$usbmon(&(0x7f0000000200)='/dev/usbmon#\x00', 0xd27, 0x10580) setsockopt$ALG_SET_AEAD_AUTHSIZE(r1, 0x117, 0x5, 0x0, 0x8) fchmod(r1, 0x8) clone(0x0, &(0x7f0000b53000), &(0x7f000084effc), &(0x7f0000c35ffc), &(0x7f0000b3bfff)) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000080)=0x0) wait4(r2, 0x0, 0x200000040000002, &(0x7f0000781f70)) prctl$setendian(0x14, 0x1) setsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f00000000c0)=0x2, 0x4) ioctl$TUNDETACHFILTER(r1, 0x401054d6, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000140)='/dev/vcsa#\x00', 0x9, 0x10080) ioctl$SNDRV_TIMER_IOCTL_START(r1, 0x54a0) ioctl$TUNDETACHFILTER(r3, 0x401054d6, 0x0) syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x8, 0x8000) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x4032, 0xffffffffffffffff, 0x0) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000080)={0xaa}) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = dup(r4) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000004000)=0x1000, 0x4) ioctl$UFFDIO_COPY(r5, 0xc028aa03, &(0x7f00000002c0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) timer_create(0x0, &(0x7f0000000140)={0x0, 0x0, 0x0, @thr={&(0x7f00000001c0)}}, &(0x7f0000000280)) sync() r6 = socket(0xa, 0x1, 0x0) ioctl(r6, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000013000)={0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r7, 0x1, 0x1a, &(0x7f0000004ff0)={0x3, &(0x7f0000002fe8)=[{0x15, 0x0, 0x401}, {}, {0x6}]}, 0x10) [ 232.271990] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 232.364513] sctp: [Deprecated]: syz-executor1 (pid 14746) Use of struct sctp_assoc_value in delayed_ack socket option. [ 232.364513] Use struct sctp_sack_info instead [ 232.489022] sctp: [Deprecated]: syz-executor1 (pid 14746) Use of struct sctp_assoc_value in delayed_ack socket option. [ 232.489022] Use struct sctp_sack_info instead 2018/05/11 20:20:19 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xec6d0200, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:19 executing program 1: rename(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x2b, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:19 executing program 6: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f00000000c0)={0x10000, 0x9, 0x0, 0x7, 0x2400, 0x0, 0x6, 0x7, 0x0}, &(0x7f0000000100)=0x20) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000140)={r1, 0x3, 0x9, 0x40, 0x1, 0xd4}, 0x14) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x129, 0x3e5, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0xfffffffffffffffb}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$void(r2, 0xc0045c7f) r3 = creat(&(0x7f00000001c0)='./file0\x00', 0x20) setsockopt$IP6T_SO_SET_REPLACE(r3, 0x29, 0x40, &(0x7f0000000300)=@mangle={'mangle\x00', 0x1f, 0x6, 0x610, 0x348, 0x0, 0x0, 0x0, 0x438, 0x540, 0x540, 0x540, 0x540, 0x540, 0x6, &(0x7f0000000040), {[{{@uncond, 0x0, 0xf0, 0x118, 0x0, {}, [@inet=@rpfilter={0x28, 'rpfilter\x00', 0x0, {0x8}}]}, @HL={0x28, 'HL\x00', 0x0, {0x1, 0x1e67}}}, {{@uncond, 0x0, 0x118, 0x140, 0x0, {}, [@inet=@rpfilter={0x28, 'rpfilter\x00', 0x0, {0x1}}, @common=@mh={0x28, 'mh\x00', 0x0, {0x7, 0x4, 0x1}}]}, @common=@unspec=@NFQUEUE1={0x28, 'NFQUEUE\x00', 0x1, {0xf4, 0x3}}}, {{@uncond, 0x0, 0xc8, 0xf0}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00', 0x0, {0x1}}}, {{@uncond, 0x0, 0xc8, 0xf0}, @HL={0x28, 'HL\x00', 0x0, {0x3, 0x1d2000000000}}}, {{@uncond, 0x0, 0xc8, 0x108}, @inet=@TPROXY1={0x40, 'TPROXY\x00', 0x1, {0xd1e, 0x2, @ipv6=@local={0xfe, 0x80, [], 0xaa}, 0x4e22}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x670) mount(&(0x7f0000fb6000)='./file0\x00', &(0x7f0000d78000)='.', &(0x7f00000002c0)='ubifs\x00', 0x1000, 0x0) 2018/05/11 20:20:19 executing program 5: r0 = socket(0x6, 0x3, 0x80) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket(0x10, 0x20000000802, 0x0) fcntl$setstatus(r1, 0x4, 0x2000) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000000)={{{@in6=@local, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000100)=0xe8) r3 = geteuid() setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000002c0)={{{@in=@multicast1=0xe0000001, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e22, 0xffffffff, 0x4e20, 0x2, 0xa, 0x20, 0xa0, 0x3c, r2, r3}, {0x7, 0x80000000000000, 0x1, 0x5, 0xd5, 0x1, 0x4, 0x6}, {0x2, 0x5ec5, 0x100, 0x1}, 0x3f, 0x6e6bb7, 0x0, 0x1, 0x2, 0x1}, {{@in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4d3}, 0xa, @in=@dev={0xac, 0x14, 0x14, 0x1b}, 0x3502, 0x0, 0x3, 0x7, 0x1, 0x38, 0x9}}, 0xe8) write(r1, &(0x7f0000084fa3)="1f000000520007f2000094fef5000f430700000000000000000100ffffb92b", 0x1f) recvmmsg(r1, &(0x7f0000001780)=[{{0x0, 0x0, &(0x7f0000001680), 0x0, &(0x7f0000000140)=""/94, 0x5e}}], 0x40000000000029c, 0x2, 0x0) 2018/05/11 20:20:19 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="c6295e4eca6c09b612ec6f") ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f00000001c0)) r2 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0xf25, 0x200000) ioctl$TCSBRKP(r2, 0x5425, 0x400) r3 = syz_open_procfs(r1, &(0x7f0000000180)='net/rt\x00\x00\x00\x00\x00\x00\x00\x00') fstat(r3, &(0x7f000065bfbc)) 2018/05/11 20:20:19 executing program 2: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000200)='/dev/qat_adf_ctl\x00', 0x8000, 0x0) syz_open_dev$dspn(&(0x7f0000000300)='/dev/dsp#\x00', 0x3, 0x400000) getsockopt$packet_buf(r0, 0x107, 0x5, &(0x7f0000000240)=""/185, &(0x7f00000001c0)=0xb9) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000340)={{{@in=@rand_addr, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in6=@local}}, &(0x7f0000000140)=0xe8) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000180)={'sit0\x00', r1}) r2 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000000000)=0x5, 0x4) sendto$inet6(r2, &(0x7f0000003fd9), 0x0, 0x0, &(0x7f0000008000)={0xa, 0x4e20, 0x9}, 0x1c) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) ioctl$KVM_GET_SUPPORTED_CPUID(r3, 0xc008ae05, &(0x7f0000000080)=""/164) socket$nl_generic(0x10, 0x3, 0x10) 2018/05/11 20:20:19 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x2, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:19 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000, 0x0, 0x0, 0x0, 0x3, 0x20000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) modify_ldt$read_default(0x2, &(0x7f0000000000)=""/243, 0xf3) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/qat_adf_ctl\x00', 0x8000000000800, 0x0) ioctl$TIOCNOTTY(r0, 0x5422) sendto$inet(r0, &(0x7f00000001c0)="36e7a3d858a6e41f092f23318f64c78098cb0bc4289dd00885da876261f894d2060444113e4c35c9b9c608027e338b8b6051747b7370d911fdb346aec1c0f33b4272c37cb94346b77c216518fd4d55967cbcecad5f2b90375c53cade8e7f02f9a809ea3fbf50a71cd5c6674f18e6132020c0d7d96f260ea49af23dfc1caf14a5aaa1d083ab1b510036922afb80f87a089921241c09abfa7150a0d795911eacd2e6d29332798ed8d55b71584c970434b484ee2d4e5049b22412a641c9498cb7a38d8b0b784ca376e51a348d9d24b8558af3039cb533b54152f10a4c113009d2eab85478f30f965439677857", 0xeb, 0x40000, &(0x7f0000000140)={0x2, 0x4e21, @rand_addr=0x2}, 0x10) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000100)) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/05/11 20:20:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x7, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 233.461667] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:19 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket(0x2, 0x1, 0x0) setsockopt(r1, 0x6, 0xe, &(0x7f0000902000)="020008000000000000005462fa01a15eaf0d2cf653f13cc379ede4eaf40f4a95bbff850a8263357506b31e58a98399b397e695c0f03d3b3d54436fe71cbcdc6e30ac10369300f6af7d07634832b8a5c0a94c470502e9337b3e7298fc74e81b1058d02f9b14732017e2466a9fc43aea71263335960415800020f9575da602000000001f0000d1b0e6ebcb12c7291871363e97100c4a4c2e9f5c0c14f1659ce8c8bed2e97e60a3649f93ea0c8263f864802ad72fa698807ef14a4a1813e976be1d113b514dbdc05ea1309163d6a4830de8391f2ecab7bbfbcb", 0xd8) socket$can_raw(0x1d, 0x3, 0x1) setsockopt(r1, 0x40000000000006, 0xe, &(0x7f000061d000)="020008000000002000005462fa01a55eaf0d2cf653f13cc379ede4eaf40f4a95bbff850a8263357506b31e58a98399b397e695c0f03d3b3d54436fe71cbcdc6e30ac10369300f6af7d07634832b8a5c0a94c070000000000000098fc74e81b1058d02f8001732017e2466a9fc43aea71263335960415800000f9575da602000000001f0000d1b0e6ebcb12c7291871363e97100c4a4c2e9f5c0c14f1659ce8c8bed2e97e60a3649f93ea0c8263f864802a602fa698807ef14a4a1813e976be1d00000006bdc05ea1309163d6a4830de8391f2ecab7bbfbcb", 0xd8) setsockopt(r1, 0x0, 0xd13, &(0x7f0000000000)="eceb3e99f4ed51af2c85769b9386b94514d1e82f4264c7f6063b1bad9812949ffeb4e6f55ffa2d25ebd8592a11c3ddb84a6dabdf78a3460dde1d1b7a4d441702db6d39e65dda63fd9dd5ed49dc2643e4db5402541437027033964fcbd1359235c8209ada70db927971b95806bebee304f00ccb6936235beb98ac95eb7d974139f858b3113f84db38a47c1a2b2a7d3fc2443acd7a83eba1e6b3ca82d48870752a8a53d54c5d87d302eea695cb4656ed8321d970fc356adb1b188511975b00832bc4b47a1e56e20efb2e0f650ec30f4db3912c4601b32e12dda135dc9b97b2ef938366899e4b", 0xe5) 2018/05/11 20:20:19 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x11}}, 0x10) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000eb0fb8)={0x1, 0x3, &(0x7f00009ff000)=@framed={{0x18}, [], {0x95}}, &(0x7f00002bf000)='syzkaller\x00', 0x4, 0xb7, &(0x7f00006ab000)=""/183}, 0x48) r2 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f000031aff8)={r0, r1}) ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f0000000040)={r2}) sendmsg$nl_xfrm(r3, &(0x7f0000000780)={&(0x7f0000000200)={0x10}, 0xc, &(0x7f0000000740)={&(0x7f0000000480)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) sendmmsg(r3, &(0x7f000000e180)=[{{0x0, 0xffffffffffffffb2, &(0x7f000000c6c0)}}, {{&(0x7f000000c740)=@nfc={0x27}, 0x80, &(0x7f000000db00), 0x0, &(0x7f000000db80)}}], 0x2, 0x0) [ 233.560737] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:19 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x1100000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 233.604816] QAT: Invalid ioctl [ 233.618370] QAT: Invalid ioctl [ 233.647339] QAT: Invalid ioctl [ 233.665012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 233.791927] QAT: Invalid ioctl [ 233.806475] QAT: Invalid ioctl 2018/05/11 20:20:20 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8910, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:20 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x112, 0x4) sendto$inet6(r0, &(0x7f0000000480), 0x13, 0x0, &(0x7f0000000440)={0xa, 0x0, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) set_mempolicy(0x1, &(0x7f0000000200)=0x8, 0x40) tee(0xffffffffffffffff, r0, 0x0, 0xffffffffffffffff) setsockopt$sock_int(r0, 0x1, 0x29, &(0x7f0000000140)=0x5, 0x4) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) fgetxattr(r1, &(0x7f00000000c0)=@known='com.apple.system.Security\x00', &(0x7f0000000480)=""/4096, 0x1000) recvmsg(r0, &(0x7f0000000280)={&(0x7f0000000040)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000001680), 0x0, 0x0, 0xffffffffffffff24}, 0x0) 2018/05/11 20:20:20 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:20 executing program 6: r0 = socket$inet6(0xa, 0x100000000000002, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x2}, 0x1c) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x2}, 0x1c) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x2040, 0x0) ioctl$KVM_SET_CLOCK(r1, 0x4030ae7b, &(0x7f00000000c0)={0x4, 0xcf2}) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000100)={0x4, 0x6000}) 2018/05/11 20:20:20 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000f3eff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(0xffffffffffffffff, 0x40106410, &(0x7f00000000c0)={0x55, &(0x7f0000000040)="861cb537e8593831fb8d22938f073ea19193daf13395e1fd8994c4baeaec51468c2d50831541c26c4f8580825446d5366d109467b7d02628b099f9fa5983d2fe54c461358936ae551535f5d69047dfce3ae988af00"}) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_int(r3, 0x0, 0xb, &(0x7f00000000c0)=0xbfb, 0x4) setsockopt$inet_int(r3, 0x0, 0xd, &(0x7f0000000000)=0x80000002, 0x4) sendto$inet(r3, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20}, 0x10) recvmsg(r3, &(0x7f0000bd9000)={0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f00009fdfaf)=""/81, 0x51}, 0x40002106) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000100)={0x0, @in={{0x2, 0x4e21, @rand_addr=0x2}}, 0x5, 0xb81, 0x7, 0x8, 0x4}, &(0x7f0000000280)=0x98) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f00000002c0)=ANY=[@ANYRES32=r4, @ANYBLOB="c7000000270e49b68bf307497f88c05bec628d116649de00f42b7d097b513c1128be473093118d17a5375d0567f1ad053e30c9cfa7ad75d143bc2cd2499ad197311430503b5172536dbb5454f5a47bd07e27b2053488c366ee228b2a10845275189f72e9d03720e23dfe5c1c5eed9fcb070f9530230945827ba5bc8fe9a98effa8d478866bcd69e31c0538df7880c9b9028748e59c27e85b03b7530e1d7f9b58129de2c39f28e6bb9ca46ada786e06baa2c18323384d6624fe890800000000000000000000000000000000"], &(0x7f00000003c0)=0xcf) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r0, 0xc08c5335, &(0x7f00000001c0)={0x0, 0x2000000000000080, 0x0, 'queue1\x00'}) 2018/05/11 20:20:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf5ffffff, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:20 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000e3eff8)={0x0, 0x0}, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r5 = dup3(r4, r3, 0x0) ioctl$EVIOCSCLOCKID(r2, 0x400445a0, &(0x7f0000000000)=0x400) ioctl$KVM_SET_MSRS(r5, 0x4008ae89, &(0x7f0000000080)={0x1, 0x0, [{0x20040000003}]}) socket(0x1, 0x8000e, 0x7f) 2018/05/11 20:20:20 executing program 2: r0 = socket(0x400000000011, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) ioctl$KVM_GET_XCRS(r1, 0x8188aea6, &(0x7f0000000080)={0x6, 0x1, [{0x7, 0x0, 0x2}, {0xfffffffffffffffc, 0x0, 0x34}, {0x7, 0x0, 0xdb}, {0x800, 0x0, 0x100}, {0x0, 0x0, 0x1}, {0x1ff, 0x0, 0x3}]}) syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x0, 0x22000) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000340)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r2, &(0x7f0000000400)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000003c0)={0xffffffff}, 0x111}}, 0x20) write$rdma_cm(r2, &(0x7f0000000440)=ANY=[@ANYBLOB="03000000400000fa0a0000000000000000000000000000000000000000000000000000000a00000000000000fe80000000000000000000000000000000000000", @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00'], 0x48) 2018/05/11 20:20:20 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:20 executing program 6: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000ff4)='/dev/rfkill\x00', 0x1, 0x0) ioctl$KVM_SET_CPUID(0xffffffffffffffff, 0x4008ae8a, &(0x7f0000000180)={0xaaaaaaaaaaaab8f, 0x0, [{0x7, 0x0, 0x6, 0xb6f4, 0x100}, {0xc000001f, 0x0, 0x80000001, 0x5, 0x3f}, {0x40000000, 0xffffffffffffffa9, 0x401, 0x7651, 0x8}, {0xc000001b, 0x80000001, 0x54, 0x3f, 0x800}]}) sendmsg$can_bcm(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x1d}, 0x10, &(0x7f0000000100)={&(0x7f0000000080)={0x4, 0x4, 0x1ff, {0x0, 0x7530}, {}, {0x2, 0x4, 0x8, 0x100000001}, 0x1, @can={{0x0, 0x6, 0x81, 0x8000}, 0x1, 0x2, 0x0, 0x0, "53e8f562c8661bc1"}}, 0x48}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) write$eventfd(r0, &(0x7f00000002c0)=0x20400000000, 0xffffff5f) [ 234.306786] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:20 executing program 5: io_setup(0x401, &(0x7f0000000040)=0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x6, 0x200000) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x101, 0x0) io_cancel(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000100)="eb95180b90ec651f2ce172c0664172f050", 0x11, 0x0, 0x0, 0x1, r2}, &(0x7f00000001c0)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x6) 2018/05/11 20:20:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x500, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:20 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000080)={0x0, 0x3c9, 0x0, 0x8}) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:20 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000001480)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r1, 0x4010ae68, &(0x7f0000000080)={0x5003, 0x100000}) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r0) pwritev(r1, &(0x7f0000000340)=[{&(0x7f00000001c0)='\'', 0x1}], 0x1, 0x81806) setsockopt$kcm_KCM_RECV_DISABLE(r1, 0x119, 0x1, &(0x7f0000000040)=0x6, 0x4) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) socket$pptp(0x18, 0x1, 0x2) setsockopt$IP_VS_SO_SET_EDITDEST(r1, 0x0, 0x489, &(0x7f0000000140)={{0x29, @rand_addr=0x101, 0x4e22, 0x1, 'wlc\x00', 0x4, 0x7, 0x12}, {@loopback=0x7f000001, 0x4e22, 0x3, 0x1, 0x4, 0x4}}, 0x44) [ 234.429604] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4800000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x4001f) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0xf0ffff, 0xf}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 234.526108] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:21 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:21 executing program 5: r0 = socket(0x2, 0x1, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000180)="6e65742f6970365f7461626c65735f7461726765747300f8dbf01516c6676468481ec47006ab3db2a399ec0545b803532944e0cfcdf806a2d59644843e06384869ab595ac16e165588f46498ba3146cb464d8cd79cdc83ef126c38785acae2455a9e0a9968dc2e70db6d06f1c60fd229d394c8890b3e751d5e913e021f26f9f68b6c3ccd873b4aff8915406e791cf20ab333badb20c8f4adfdd078aa6b0573b1c8a9037870ba1a440e24d4699c902492f6") ioctl(r0, 0x8912, &(0x7f0000000100)="c6295e4eca6c09b612ec6f") ioctl$KVM_SET_NR_MMU_PAGES(r1, 0xae44, 0x4) syz_open_procfs$namespace(0x0, &(0x7f00000002c0)='ns/pid_for_children\x00') getresuid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)) getresgid(&(0x7f00000000c0), &(0x7f0000000140)=0x0, &(0x7f0000000240)) fchown(r1, r2, r3) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000300)={r1, 0x6, 0x1, 0x600, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa}, 0x20) 2018/05/11 20:20:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x0, 0x0, 0x9}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_GET_DIRTY_LOG(0xffffffffffffffff, 0x4010ae42, &(0x7f0000000040)={0x10200, 0x0, &(0x7f0000016000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000014000/0x18000)=nil, &(0x7f0000000100)=[@textreal={0x8, &(0x7f0000000400)="baf80c66b8f5e29b8266efbafc0cb04cee0f21a90f22570fe2a2880b230f0f009678002e0f01cbba4300ec0f01cf66b8c63554fa0f23c00f21f86635030006000f23f8", 0x43}], 0x1, 0x0, &(0x7f0000000080), 0x0) fcntl$setlease(r2, 0x400, 0x1) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000080)={0x1, 0x0, [{0x80e}]}) 2018/05/11 20:20:21 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) flock(r0, 0xc) bind$inet6(r0, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000f98000), 0xfffffffffffffff3, 0x2000000c, &(0x7f00004a5fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) sendmsg$nl_generic(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0xc8, 0x3e, 0x100, 0x70bd2d, 0x25dfdbfd, {0x8}, [@typed={0x8, 0x77, @u32=0x7}, @generic="5b90f2ab5251ebf13c91feb37d8944b800c44f2d2e5d0ae391f3c14a825b855772ea902fef656f76349eab5a4f08d5b5b43b9f32a00f80d4ce6dfdf647d209d0fb28cd2f760147e34b284b3885ffd323130da08aa0b9110db1c10c999920d61854c8de8e005d3d0c3c68715deaf1e9643a13108dd8b6151bb89663d7a260075730f4028acab5b4021ee492becd92f8dfda310ce0555afcf27b65812d8cdb20e156f23a3e86d2ae82de"]}, 0xc8}, 0x1, 0x0, 0x0, 0x4040000}, 0x404c080) setsockopt$bt_l2cap_L2CAP_LM(r1, 0x6, 0x3, &(0x7f0000000040)=0x44, 0x4) ftruncate(r2, 0x27ffe) openat$cuse(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/cuse\x00', 0x8004000, 0x0) sendmsg$nl_generic(r1, &(0x7f00004d5000)={&(0x7f000082e000)={0x10}, 0xc, &(0x7f00009e8000)={&(0x7f0000000380)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) sendfile(r1, r2, &(0x7f000053cffc), 0x8080000001) getsockopt$bt_BT_RCVMTU(r1, 0x112, 0xd, &(0x7f0000000200)=0xb9, &(0x7f0000000280)=0x2) ioctl$HDIO_GETGEO(r1, 0x301, &(0x7f0000000240)) 2018/05/11 20:20:21 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x200, &(0x7f0000fbf000), &(0x7f0000000000), &(0x7f0000000100), &(0x7f00000000c0)) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000a7bfc8), &(0x7f0000002680)) r0 = open(&(0x7f0000363ff8)='./file0\x00', 0x0, 0x0) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040), 0x10) accept(r0, 0x0, &(0x7f0000000080)) 2018/05/11 20:20:21 executing program 6: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x8000, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f00000000c0)={0x8, 0x2, 0x867}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000080)={'veth0_to_bond\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="4900200000000000000000000000000000000000000000000000000000000000000000000000bf2705d4f79a5e23e9000000000000"]}) 2018/05/11 20:20:21 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8949, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:21 executing program 6: mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x1b071, 0xffffffffffffffff, 0x0) r0 = socket$can_raw(0x1d, 0x3, 0x1) pwrite64(r0, &(0x7f0000000000)="03ed4826576af1af4977284c323c599f3051e8d1f27b7746fde133b3e00ca144bbdae3cae637", 0x26, 0x4e) mremap(&(0x7f000000d000/0x2000)=nil, 0x2000, 0x4000, 0x0, &(0x7f0000ff9000/0x4000)=nil) [ 235.284056] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:21 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x4000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:21 executing program 5: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x20000, 0x0) sendmsg$alg(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000040)="c1620f6410f98da7fbbdfbee2155c536901f797a77f9d202e13cdf0007b3c4d265e5183be863efba87057e6cd752db5334b19f0147c554132a77eef8b8d87b3b86e9768582dd8d0f6cf956a712f8e5ccdba4849f2136f422db5cd4a56add74a792e5eb5f244a8e02ed994715fdc5b74fdb179031cd9f4d0acd45274bd51ec70ce792611ad5ff22f2", 0x88}, {&(0x7f0000000100)="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", 0xfc}, {&(0x7f0000000200)="57346a25d5dd0ecf84e3807aeef97fcb02c7e0f7ac2ddfcb2e0218369a41ca3d378ef25fa63183b3605588315c0d2c16888efad69ac0820989ead2dee5ffe5f657eb1f72dfd57120598c2d240e1384d8a7ed443e8b0a6be6f97fd913d4757999f4fc94589dd26317f3f8e0ce95704ab924097e6374cda8f5aa81aec6cd39fdd48427495dc7", 0x85}, {&(0x7f00000002c0)="f74ddc035e641d18b70b3023be1fc7e179a320d12f8319b35f8c937d670c7366bc1a497a149afe041db46c2559", 0x2d}, {&(0x7f0000000300)="eca04c004257d4d201c886408089709147177bd47b27341e77dd154469789501fd2ac8f478f918e6a260b7d8c4ffc77381697cc61fd6", 0x36}, {&(0x7f0000000340)="6cfdcd29c4bf8c219050773f692562ebc29533aa402c3595bbd4e15ee419f84764edfd462c22fe501994b9fb6802587c09ebc5586ef2ef91fabb70b3a1396d8e64a6990c345d3d1bd916994cb5ad7ceb1019b0cfa3f79b51105d201a1ba07e320ab33b7e37f491a7e158b3baa70323310530d4f637ba8574201d637aa84d488a0fd0330b96d51a926f0915d4c14490e5b0177c97217841131b782fdeee33255e37d80861ee133efb869bf89079557cfb5215ab6d1a54941b589fb4f50971f1d7206f525022b939b7b8a80b8ae1a7816eeef0c878f4dd6f04b13710c8e8fd1d487156b81e5fdcec5078ccf5d5698b51427c4ac306b0202493af", 0xf9}], 0x6, 0x0, 0x0, 0x4010}, 0x840) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}}, 0x2) 2018/05/11 20:20:21 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x2, 0x28001) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x200000, 0x0) ioctl$DRM_IOCTL_AGP_RELEASE(r1, 0x6431) ioctl$KVM_SET_SIGNAL_MASK(r1, 0x4004ae8b, &(0x7f0000000300)=ANY=[@ANYBLOB="81000000c868202274fac57c8c91567dd073fc3b074eb7ec0622ef819fca894645c5d4a87940a16b75ba00e1999de9cc5e9fcd55f8cf0169c1ec094622029f33819410993e9b60c7f0c8a80acea386d0be8e544308c8487e4cd7a11443d79306556e39ecc4280abb5e100000000047836df4895a6ad48407b6a42e44b3f1c1e01a8fbf4600"]) write$evdev(r0, &(0x7f0000000040)=[{{}, 0x1, 0x51, 0x2}, {{0x0, 0x2710}}], 0x20) r2 = socket$inet6(0xa, 0x1400000000001, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f00000003c0)=ANY=[@ANYRES32=0x0, @ANYBLOB="8f000000e7005b92251fa3275b102e29e4091d679b2f674d4c42e0e85d2fd78ec86ea96af76ab77339441e070f57e3bb9380c15c7f586f7cbd7dbba8c3a97d0f9c8d0baaa3f9f041cdb6cb7e22f1181581b892a155e38ac92a716a18c79e0af42a8f1f5e4b85bd7dac3b167929a50fce3536436bc9e98274ab00000000000000000000000000000000"], &(0x7f0000000180)=0x2) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000480)={0x2, 0xb2, 0x1, 0x20, 0x0, 0x2, 0x3f, 0x2, r3}, 0x20) getsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ioctl$KDADDIO(r1, 0x4b34, 0xaa) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f0000000140)=0x7, 0x4) bind$inet6(r2, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$EVIOCGABS20(r0, 0x80184560, &(0x7f0000000200)=""/216) sendto$inet6(r2, &(0x7f0000000500), 0x0, 0x2000000c, &(0x7f00000001c0)={0xa, 0x104e20}, 0x1c) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000500)) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000840)={0x0, 0x9, 0x30, 0xbc82}, &(0x7f0000000880)=0x18) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000700)={r4, 0x2, 0x1000000010000000}, &(0x7f0000000740)=0x8) mq_open(&(0x7f0000000780)='/dev/input/event#\x00', 0x40, 0x2, &(0x7f0000000940)={0x2, 0x4, 0x80000001, 0x81, 0x20, 0x3ff, 0x1000, 0x8}) r5 = mq_open(&(0x7f0000000900)='statm\x00', 0x800, 0x4, &(0x7f0000000800)={0x408, 0x5a, 0x8001, 0x9, 0x8, 0x74, 0xffffffffffffbfb6, 0xae}) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r5, 0x6, 0x1d, &(0x7f00000008c0)={0x400, 0x5, 0x0, 0x3, 0x7}, 0x14) sendmsg$inet_sctp(r1, &(0x7f00000007c0)={&(0x7f0000000600)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000006c0)=[{&(0x7f0000000640)="b2af99c8c74a585904e965409c64b695857b5573e1217a7c1a0446114fd057e67697c9127a17401c1cdd06110445645a30f13efaf989724bff376e9ebb26a290e7f9feaa1760c8ffe0b932eb6e223125cdb1fa5241a15f326c721d67259d17f029db2bf98739d839", 0x68}], 0x1, &(0x7f0000000780), 0x0, 0x840}, 0x84) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000540)) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000580)={0x0, 0x0}) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f00000005c0)) r7 = syz_open_procfs(r6, &(0x7f00000004c0)='statm\x00') sendfile(r2, r7, &(0x7f000080037c)=0x2, 0x400000ff) 2018/05/11 20:20:21 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000000)='irlan0\x00') r1 = msgget(0x0, 0x2) lstat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@loopback, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@ipv4={[], [], @loopback}}}, &(0x7f00000002c0)=0xe8) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f00000003c0)=0x0) msgctl$IPC_SET(r1, 0x1, &(0x7f0000000400)={{0x8, r2, r3, r4, r5, 0x0, 0x800}, 0x8, 0x6, 0x6, 0x3, 0x5, 0x401, r6, r7}) sendmsg$key(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000004c0)={0x2, 0x5, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, [@sadb_sa={0x2, 0x1}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}]}, 0x48}, 0x1}, 0x0) [ 235.400936] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:21 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:21 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) write$binfmt_aout(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="0fa2"], 0x2) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000010000/0x18000)=nil, &(0x7f0000000200)=[@text32={0x20, &(0x7f0000000100)="0f09c744240000380000c74424028f000000c7442406000000000f0114240f9a9f00800000670f209a642e3e0f01f7670f080fc7aeb2440000660f388153940f30ad", 0x42}], 0x1, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000040)) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz1\x00', 0x200002, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/11 20:20:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf5ffffff00000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 235.517963] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:21 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:21 executing program 5: r0 = syz_open_dev$sndpcmp(&(0x7f0000000480)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ppoll(&(0x7f00000001c0)=[{r0}], 0x1, &(0x7f0000000400)={0x77359400}, &(0x7f0000000440)={0x100000000}, 0x8) 2018/05/11 20:20:22 executing program 5: r0 = socket(0xa, 0x0, 0x40000003) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x7ff) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f00009b2ff0)={0x1, &(0x7f0000a7dff8)=[{0x6, 0x0, 0x0, 0x400000000000003}]}, 0x10) r3 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x5, 0x101000) ioctl$VHOST_VSOCK_SET_RUNNING(r3, 0x4004af61, &(0x7f0000000040)) shutdown(r2, 0x2000000001) 2018/05/11 20:20:22 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:22 executing program 3: syz_emit_ethernet(0x1, &(0x7f00000000c0)=ANY=[@ANYPTR], &(0x7f0000000040)={0xffffffffffffffff, 0x3, [0x0, 0x1ce, 0xa47]}) 2018/05/11 20:20:22 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8937, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:22 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000500)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(cast6-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000933000)="9147ad46390d00c80000009d4d5469d01101c2f87d13e3bf", 0x18) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x200, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000040)=@assoc_value={0x0, 0x7f}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000000c0)={r2, 0x4}, &(0x7f0000000100)=0xc) r3 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r3, &(0x7f0000378000)=[{0x0, 0x0, &(0x7f0000001940)=[{&(0x7f0000001900)="44e56efdde4454902d9ce369ddbeb294", 0x10}], 0x1, &(0x7f0000000480)}], 0x1, 0x0) recvmmsg(r3, &(0x7f0000003d00)=[{{&(0x7f0000002a80)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000003dc0)=[{&(0x7f0000003bc0)=""/98, 0x62}], 0x1, &(0x7f0000003cc0)=""/46, 0x2e}}], 0x1, 0x0, &(0x7f0000d0fff8)) 2018/05/11 20:20:22 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) membarrier(0x40, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000100)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaa008600140600fe8000000000000000000000000000aafe8000000000000000000000000000aa000000000000000000", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="5002000090780000"], &(0x7f00000002c0)) 2018/05/11 20:20:22 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:22 executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f000032c000)='/dev/kvm\x00', 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$rtc(0xffffffffffffff9c, &(0x7f0000000900)='/dev/rtc0\x00', 0x200000, 0x0) ioctl$PIO_UNISCRNMAP(r0, 0x4b6a, &(0x7f0000000040)="b856988280b671f9aa4f30e63888b74a3cba6e0f124aa80d8c20c9a6447534e7") timer_create(0x2, &(0x7f0000000740)={0x0, 0x0, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000780)=0x0) timer_delete(r3) ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x8000) r4 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) io_setup(0x80, &(0x7f0000000080)=0x0) io_submit(r5, 0x7, &(0x7f0000000700)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x7, 0x6, r2, &(0x7f00000000c0)="9e562b9cc67832ea6eee14e3486dab98708a1d38e1d586da06a10b85ac8953ae2ab63a2d29598679350e214841d912c3f7490287bd7cc92d365a28a7b3f56d51c11fed52a98047b7337f69610f9ba29667316d", 0x53, 0x304000, 0x0, 0x1, r2}, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x9, 0x9, r0, &(0x7f0000000180)="c92bca3286f977f8677d7196682dcdea", 0x10, 0xc96, 0x0, 0x0, r2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x3, 0x3a2f, r2, &(0x7f0000000200)="e229f0276e756ce9c4cca7b8e8a6f44f2836bc622467e86d81d463f463b43e762e428d58ef99cdb5540d845f517ba1efab33c64b7e777b55ae819bcf39d6623a02337b7f0939986d02ca790bffc6f5e0a715096c0b5f019384c25eeb7bc0760c0f0f9622c50765851f5ddafd27b02e7fbd6cc04cd5ab7538ccc00d3311c92f6409cf6444c3834e0b385c13f640dc3736ac2f2c4714b66f975c8ac2a9d3483f3399da501b02e3ab6534d296a9637e91ef000ce3c3b5a75d3ade1e86cba247ee0dbae866bcd1d9d3803d18996ff29262cfe4c7a7ba964c63b06a695c1c1b58ebf270ad7a52ca1c0eda8b", 0xe9, 0x1f, 0x0, 0x1, r0}, &(0x7f0000000400)={0x0, 0x0, 0x0, 0xf, 0x1, r2, &(0x7f0000000340)="6e988c92b45af1baf28ce757b850fc18cd2eeea2902e012548cf354e8523ac09ada088d00a06467cc6802c75298591fdbb23c3f9667300110898072a54fc88ed3d731f45cb3d3e411f207f4c792995bfde040951c46bfbe6a2c6fc317a1f21e1cbd293854fc5a24f320faea9a6ca5e5942d790d7c9649f00cf0f6a556a75aa8311cf924de34a628ef87855e5d9ce403d0a3989129a62a0882cd19cde8ac576179435", 0xa2, 0x80000000, 0x0, 0x1, r2}, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x1, 0x8000, r2, &(0x7f0000000440)="5e61db4905555a18e64f65365f7a990b93100f1189a9ad125eff24d211d4415af4ada985411227deaa151000b5113a7073b2fc4c709602fb1a5c71307e80322b36c2b7a349b38b60b03b1ad3e3a956bd7f8d77b46a844ed529e665459b18f5809fe9b3febea03f2cc769e317f9c7f309b487ecbd0cf4b93ff751156327ec3f98d306e7771e82e9534524f662aa5c", 0x8e, 0xe5, 0x0, 0x1, r1}, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x7, 0x3, r4, &(0x7f0000000540)="7a9887e893d324f3cad3fe59dc6d16dcd1", 0x11, 0x4, 0x0, 0x0, r2}, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x1, 0x3, r0, &(0x7f00000005c0)="3b4b9d0ccc0dd5f84d1c49a3ddabed20e73b1ff9bbed772e45dc8f458ed36f3b6a1a700e734d24e81db5fc845affe82738d91364638b66a255a1b8813c0289452d631ca6f7d724cd3de45850bc4387637a02087e760813f09e112816301233c16ecbb85eefef59f63e54433a7d50ea62d72e4a04ffbd4ac5a6b54906199752086bd167379314bf199ca9d09f5df5fb507bb1815376a3411a89882fbd6bde989abfc4f39fc2f31da82913a4415689d8c3dde77ea4bda056e36beaa8eb21efb76de8938fef3c113e022de9b3cf6b27f87f4e59e9146803ba274da92ed02fc24e201124b2", 0xe3, 0x2, 0x0, 0x0, r0}]) statx(r2, &(0x7f00000007c0)='./file0\x00', 0x400, 0xfff, &(0x7f0000000800)) ioctl$KVM_CHECK_EXTENSION_VM(r4, 0xae03, 0x3) ioctl$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000940)={0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) 2018/05/11 20:20:22 executing program 3: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x0, 0x0) ioctl$VHOST_GET_FEATURES(r0, 0x8008af00, &(0x7f00000000c0)) ioctl$BLKFLSBUF(r0, 0x1261, &(0x7f0000000040)=0x9) getsockopt$inet6_dccp_buf(r0, 0x21, 0xc0, &(0x7f0000000180)=""/212, &(0x7f0000000000)=0xd4) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000100)=0x0) getpgid(r1) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000280)=@generic={0x8001, 0x478c, 0x55}) syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x101200) [ 236.149124] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:22 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:22 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xa10, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:22 executing program 6: mkdir(&(0x7f0000046ffa)='./bus\x00', 0x0) r0 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x7, 0x8004) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r0, 0xc05c5340, &(0x7f0000000080)={0x401, 0x9, 0x40, {r1, r2+30000000}, 0x1, 0x3f}) mount(&(0x7f0000051fff)='./file0\x00', &(0x7f0000051ffa)='./bus\x00', &(0x7f0000014ffb)='ext2\x00', 0x0, &(0x7f0000040f2d)) ioctl$SIOCGIFMTU(r0, 0x8921, &(0x7f0000000100)) [ 236.279986] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:23 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:23 executing program 3: r0 = socket(0xa, 0x1, 0x0) write$binfmt_misc(r0, &(0x7f0000000000)={'syz1', "4bfcd4eebb79ee5eb3998cb72f836f72794de195"}, 0x18) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(ecb-camellia-asm)\x00'}, 0x58) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x4, 0x8010, r0, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7295df0df8217ad4000000000000000e6", 0x20) r2 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000000280)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000300)="a7", 0x1}], 0x1, &(0x7f0000001340)}], 0x1, 0xc000) write$binfmt_misc(r2, &(0x7f0000000100)=ANY=[@ANYRES64], 0xffc3) 2018/05/11 20:20:23 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") clone(0x0, &(0x7f00009e4ffd), &(0x7f00005faffc), &(0x7f00000f9ffc), &(0x7f00001c9ffe)) sysinfo(&(0x7f0000173000)=""/4096) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/05/11 20:20:23 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:23 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") unshare(0x400) r1 = dup(r0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$BLKFLSBUF(r2, 0x1261, &(0x7f0000000000)) 2018/05/11 20:20:23 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r2 = getegid() getgroups(0x5, &(0x7f0000000880)=[0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]) r4 = getgid() fstat(r0, &(0x7f00000008c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000940)=0x0, &(0x7f0000000980), &(0x7f00000009c0)) stat(&(0x7f0000000a00)='./file0\x00', &(0x7f0000000a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgroups(0x6, &(0x7f0000000ac0)=[r2, r3, r4, r5, r6, r7]) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000680)=@assoc_id=0x0, &(0x7f00000006c0)=0x4) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000700)={0x0}, &(0x7f0000000740)=0x8) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000780)={r8, 0x2, 0xffffffffffff8000, 0xfffffffffffffffd, 0x6, 0x4, 0x1, 0x22, {r9, @in={{0x2, 0x4e24, @rand_addr}}, 0x10000, 0x1, 0x3538, 0x3, 0x4}}, &(0x7f0000000840)=0xb0) r10 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000600)='/dev/rtc0\x00', 0x8143, 0x0) ioctl$IOC_PR_RELEASE(r10, 0x401070ca, &(0x7f0000000640)={0x52a6, 0x100000000, 0x1}) r11 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r11, 0x84, 0x22, &(0x7f0000000000)={0x8, 0x8005, 0x6, 0x80000000, 0x0}, &(0x7f0000000040)=0x10) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f00000000c0)={r12, @in6={{0xa, 0x4e24, 0x1f4, @remote={0xfe, 0x80, [], 0xbb}, 0x6}}}, &(0x7f0000000180)=0x84) r14 = ioctl$KVM_CREATE_VCPU(r11, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r14, 0x8188aea6, &(0x7f00000001c0)={"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"}) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000005c0)={r13, 0x5, 0x800, 0x1d5}, 0x10) 2018/05/11 20:20:23 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8929, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:23 executing program 1: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000d34ff0)='/dev/sequencer2\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xfd0000)=nil, 0xfd0000, 0x0, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000b18000)) syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x2981, 0x0) 2018/05/11 20:20:23 executing program 3: r0 = timerfd_create(0x0, 0x0) r1 = dup(r0) read(r1, &(0x7f0000000040)=""/172, 0xac) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r1, 0x40085400, &(0x7f0000000000)={0x0, 0x4007fffffff}) mkdirat(r1, &(0x7f0000000100)='./file0\x00', 0x10) 2018/05/11 20:20:23 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf401000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 237.069090] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:23 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:23 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x65, &(0x7f0000013e95), 0x4) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r0, 0xc08c5336, &(0x7f0000000040)={0x8000, 0x7a76b832, 0x0, 'queue1\x00', 0x6}) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r2, 0x84, 0x14, &(0x7f0000000000)={0xff0f}, 0x8) close(r2) close(r0) 2018/05/11 20:20:23 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000001200)={@ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x10}}, @remote={0xfe, 0x80, [], 0xbb}, 0x7fff, 0x8bbd, 0x0, 0x400, 0x8, 0x80000010}) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000080)=[@text64={0x40, &(0x7f0000000180)="b9800000c00f3235000800000f300fc79c710070000066baf80cb8c282a48cef66bafc0cb000eef3400f5cc166b81e000f00d066400f381c0f0fd2b1f6e400006664660f3880a1bc3e425366ca00403ef242dac4", 0x54}], 0x1, 0x0, &(0x7f0000000200), 0x0) ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000040)={0x4, 0x2be, &(0x7f0000000200)="7c5d492c5c674cd8918dc417b8c13219033516d88cac59e05e0a14eaded27b67334b88ec50642b82e5a5652980813e8a58a9f1a124b238249ed105e0f9b668c7000c239fc3b0bca7cd448f1961300d8d947cbe9fa734b308ee04ec314404d066267cb677295edd1d92965bce3ee07e0b6a652f3c9aca8d3fc36199cc0682868183a657018a1a17d8f9e1996bf22bf77b24bf68feb74c293bfd6a3fd5dd650caab8b19df58293a23b9a59ec93c44f5227e64e0041c8fb35119106d54626262cfeafceefc0f0ad0ac05152dc2c2eda9a857f63aa7c5631ce7a08ab6f7c1daa5608594175183276a146d099e5cff5dc32e01fc3", &(0x7f0000001280)="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", 0xf2, 0x1000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rfkill\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000100), &(0x7f0000000140)=0x4) ioctl$KVM_PPC_ALLOCATE_HTAB(r1, 0xc004aea7, &(0x7f0000000000)=0x9004) [ 237.178448] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:23 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:23 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe00, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 237.299567] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:24 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:24 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe803000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:24 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000000)={&(0x7f0000791000)={0x10, 0x0, 0x0, 0xffffffffffffffff}, 0xc, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000170a010000000000000000000023000008000200debded8ffc7d5b46f9d3e11bfc51faf84909a8030fda66b836b0b6c4eaff3cd99145ec76d1a409474746168b5141ed5cae2bdf01976056a214337a3259bc0ab0e85ac0990c8ecc2cb898d9c1e6f66bef91951576919f6085aa89df659b10c9d732fc0c8855713825a06418107b3b2ded46f42af07d45e23286bb043adb19a78bd26ac52cd3103be1016a9ba2edf0fe2eefb81ef6", @ANYRES32=0x0], 0xc1}, 0x1}, 0xffffffffffffffff) 2018/05/11 20:20:24 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x1) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0xc40, 0x4) recvmsg(r0, &(0x7f0000002b00)={&(0x7f0000000040)=@vsock={0x0, 0x0, 0x0, @my}, 0xffffff75, &(0x7f0000000080)}, 0x0) sendmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000002000)}, 0x0) 2018/05/11 20:20:24 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x101902) ioctl$BLKDISCARD(r0, 0x1277, &(0x7f0000000100)) ioctl$BLKRAGET(r0, 0x1263, &(0x7f0000000000)) 2018/05/11 20:20:24 executing program 6: r0 = socket(0x10, 0x2, 0xc) getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000080), &(0x7f00000000c0)=0xb) write(r0, &(0x7f0000000180)="130000001000ffdd46f800f49ff60f050000230a", 0x14) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x400000, 0x0) ioctl$KVM_X86_SET_MCE(r1, 0x4040ae9e, &(0x7f0000000140)={0x1000000000000000, 0x5000, 0x8, 0x2, 0x2}) socketpair$ax25(0x3, 0x2, 0xcf, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e24, 0x7ff, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x3}}, 0x7f, 0x7fffffff800000, 0xec, 0x0, 0x400}, &(0x7f0000000100)=0x98) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000280)={r2, @in={{0x2, 0x4e20}}, 0x1, 0x2, 0x5, 0x2172, 0xc}, 0x98) 2018/05/11 20:20:24 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8990, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:24 executing program 3: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r0, &(0x7f0000000200)=@file={0x1, "e91f7189591e9233614b00"}, 0x30b) listen(r1, 0x0) connect$unix(r0, &(0x7f000066fff4)=@file={0x1, "e91f7189591e9233614b00"}, 0xc) connect$unix(r0, &(0x7f0000000140)=@file={0x1, "e91f7189591e9233614b00"}, 0x6e) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x8000, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000040)=@assoc_value={0x0}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000280)={r3, 0x1}, &(0x7f00000002c0)=0x8) accept4$unix(r1, &(0x7f0000000080)=@abs, &(0x7f0000000100)=0x6e, 0x0) 2018/05/11 20:20:24 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:24 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)=ANY=[@ANYBLOB="140088e027003103000000000000000007000000"], 0x14}, 0x1}, 0x0) [ 238.223853] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:24 executing program 3: set_mempolicy(0x4001, &(0x7f0000aebff8)=0x4, 0x8) r0 = socket(0x0, 0x80006, 0xd4) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000080)={0x0, 0x4}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000100)={r1, 0xbb, "24536796bd32e0e9a59cfd2c26f9540f00bc11911bbd4b16d9882c8ba98853cd333f019b46728a6a933d9628f572f405b6d3b26979fda5606f5b730c547bc2ed34d9bf4e0842747a4b1e954404623657d95e47a65199132ade1aaa4149fece9bd253eab9d85e93aa6a12efa09ada294a4fcd9354819de39ca858a7c381ddad95713d15f6e3b1bbe23fb2c90af95c25a227e34ae2e5b95fda230ebdc113ff5618e5fd098cd32c7951679c544d5780b578fee1532c940dc082be8b6b"}, &(0x7f0000000200)=0xc3) unshare(0x60000000) getsockopt$IP6T_SO_GET_INFO(0xffffffffffffffff, 0x29, 0x40, &(0x7f00000006c0)={'rSw\x00'}, &(0x7f0000000780)=0x54) 2018/05/11 20:20:24 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x100a0000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:24 executing program 6: r0 = socket$inet6(0xa, 0x80003, 0xef) read(r0, &(0x7f0000004f45)=""/187, 0xbb) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@mcast2, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@remote}}, &(0x7f0000000200)=0xe8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000240)={{{@in6=@remote, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@remote}}, &(0x7f0000000340)=0xe8) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000380)={{{@in6, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e21, 0x0, 0x4e20, 0x0, 0xa, 0x20, 0x80, 0x5c, r1, r2}, {0x1, 0x200, 0x6, 0x3, 0x8, 0x3, 0x80000001, 0x7}, {0x6, 0x7, 0xfff, 0xef}, 0xce7, 0x0, 0x0, 0x1, 0x1, 0x3}, {{@in6=@dev={0xfe, 0x80, [], 0x18}, 0x4d6, 0x3c}, 0xa, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x0, 0x7, 0xa3e1ce733fa9bd6, 0x4, 0x2, 0x2, 0x20}}, 0xe8) setsockopt$inet6_int(r0, 0x29, 0x5, &(0x7f0000000000)=0x2, 0x4) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000013ffc)=0x2, 0x4) sendto$inet6(r0, &(0x7f0000001ffe), 0x0, 0x0, &(0x7f0000003000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000040)=@req={0xfff, 0x3, 0x5, 0x3}, 0x10) 2018/05/11 20:20:24 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(0xffffffffffffffff, r0, 0x0) sendfile(0xffffffffffffffff, r2, 0x0, 0xff) 2018/05/11 20:20:24 executing program 5: r0 = socket$inet_sctp(0x2, 0x5, 0x84) mkdir(&(0x7f0000c92000)='./file0\x00', 0x0) r1 = creat(&(0x7f0000000040)='./file0/bus\x00', 0x1) r2 = open$dir(&(0x7f0000eb6000)='./file0/bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x1010, r0, 0x0) writev(r1, &(0x7f00002c8000)=[{&(0x7f00007fbf5f)="b7", 0x1}], 0x1) r3 = dup(r2) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x2011, r3, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000018000)={0x0, @in6={{0xa}}}, &(0x7f0000000140)=0x84) 2018/05/11 20:20:24 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x40000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 238.365084] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 238.388347] IPVS: ftp: loaded support on port[0] = 21 2018/05/11 20:20:24 executing program 4: r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r0, 0xffffffffffffffff, 0x0) sendfile(r0, r2, 0x0, 0xff) [ 238.492363] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 238.519601] IPVS: ftp: loaded support on port[0] = 21 2018/05/11 20:20:25 executing program 5: syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x100, 0x40100) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000040)={0x10, 0x34000}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000180)={0x20, 0x2e, 0x6fd, 0x0, 0x0, {0x2004}, [@nested={0x25, 0x0, [@typed={0x8, 0x9, @ipv4}]}]}, 0x20}, 0x1}, 0x0) 2018/05/11 20:20:25 executing program 6: lsetxattr(&(0x7f0000000080)='./file0\x00', &(0x7f0000000600)=ANY=[@ANYBLOB="62747266732e2d28707070315e656d317365bae67269747929656d8aec2f49310072880f11ba5829d5274656f77d31a2c991b98cc19e5df4ed17cc1246721d04fd6855efe688e440a7adcc2ba2a530e3cd080eeeaff161463ee87f75055757376d2b90a07556a78bceb3ebaa7f12b4607282a45805437d0d11c2149057bd0347ce880b8012b0f6db7e74d826f63306cb4677432d4bd70c8fcb948c645bdda0932798ba2c53a40891bb088eb378cd9c5600f1fa7b091d3bdb95379f549c6230e58dddd718a0cc51394449a7186ef9d0b2db48dc0e5bf7bfe70f00000000000000c421a77335e95122a5928feda42a7c5777590c76188aa6338a0153976edaca76733b4ecba5f00bc152a96d6a43a94a72d4af7ec6585ba9c27045433475c682cacc8bdff54f68fb862d1376f0c18d12aa7b462a19671e49bd43424fcad0787dea07048c2ade034dfda635dc65ce00e05148351c61cc99c9f301304f38c55f71a48da9ac32a17c4e053c2efde7464fdcb40a78d05eacf5e2fb8556e955270000000000000014a8a05b797473a03a248416834e2a403a003ed45128b4b306cd69bc3827ab73bb1b38a50b6a431bb3d2058e692fcccf7aa9661621c7f224fe03ce34f6d81ee2a3853d6a68cdf0e6b7f26423b71c2a0ef287589914858aad613a381a75c5981755a208d4b878a215acfdd8c71f75e19b601906328b3a7eb91fd2fbf2"], &(0x7f0000000140)=')\x00', 0x2, 0x2) socketpair(0x3, 0x80004, 0x2, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet6_buf(r0, 0x29, 0xf3, &(0x7f0000000240)="49f648c3ca78a06ac3830db0feeb3de24ee93d92911bf193369fb26971cb3ac8c0f8a8df2286c711d4230d0a6323e1ac016f5a3177ef3f46b87877211f36c00feffa28a175d0e97180c0dcc7c56e53de6581a281610269520715de058523b468c254042a42fb21430d480937f0c6628dfdf3e0ac9d89ebd158f0aafce08acb06b1272b746e3a11c9530f4755f90e97ff2885552a0530ed0489d235a3e6c06981a2f0d70be443bdf17afa03f6d4f500600791020d3ac5c5eb6332ebefcf0631bdefa37714f73133f0bd901ee7bce4abc45daf0097cd", 0xd5) r1 = syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x1, 0x140) ioctl$EVIOCGBITSND(r1, 0x80404532, &(0x7f0000000180)=""/77) r2 = socket$rds(0x15, 0x5, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x7}, 0x8716) setsockopt$RDS_FREE_MR(r2, 0x114, 0x3, &(0x7f00000000c0), 0x10) connect$bt_rfcomm(r1, &(0x7f0000000340)={0x1f, {0x4, 0x0, 0x200, 0x7fff, 0x5, 0x7fffffff}}, 0xa) 2018/05/11 20:20:25 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:25 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x3c000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:25 executing program 1: socketpair$unix(0x1, 0x400000000002, 0x0, &(0x7f0000634000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r1, 0x5421, &(0x7f0000000080)=0x2) r2 = syz_open_dev$amidi(&(0x7f00000000c0)='/dev/amidi#\x00', 0x5, 0x80000) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffff9c, 0x84, 0xf, &(0x7f00000001c0)={0x0, @in={{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}}, 0x100000001, 0x56, 0xb6, 0x6, 0x9}, &(0x7f0000000100)=0x98) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000280)={r3, 0x5ad, 0x20}, 0xc) bind$unix(r0, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0x6e) ioctl$KVM_GET_LAPIC(r2, 0x8400ae8e, &(0x7f00000002c0)={"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"}) connect$unix(r0, &(0x7f00000bc000)=@abs, 0x8) sendmmsg$unix(r1, &(0x7f00000bd000), 0x492492492492834, 0x0) connect$unix(r0, &(0x7f0000000140)=@file={0x1, './file0\x00'}, 0x6e) close(r0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f00000006c0)={0x2, [0x8, 0x2]}, 0x8) ftruncate(r0, 0x2) 2018/05/11 20:20:25 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x301000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'bcsh0\x00', 0x2000000000000003}) ioctl$VHOST_RESET_OWNER(r0, 0xaf02, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8923, &(0x7f0000000000)={"626373683000000000ff00", 0x3009}) r2 = syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x7686, 0x400002) setsockopt$inet_sctp6_SCTP_NODELAY(r2, 0x84, 0x3, &(0x7f00000000c0)=0xb70, 0x4) 2018/05/11 20:20:25 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8981, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:25 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x200000, 0x0) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000240)=0x202, 0x3ba) mkdirat(r1, &(0x7f0000000080)='./file0\x00', 0x20) sendmsg$nl_xfrm(r0, &(0x7f0000001500)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=@polexpire={0xcc, 0x1b, 0x401, 0x0, 0x0, {{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@local={0xfe, 0x80, [], 0xaa}}}}, [@mark={0xc, 0x15}]}, 0xcc}, 0x1}, 0x0) 2018/05/11 20:20:26 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 239.917214] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:26 executing program 5: perf_event_open(&(0x7f0000000000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = socket$inet(0x2, 0x0, 0x886) getsockopt$IP_VS_SO_GET_DESTS(r1, 0x0, 0x484, &(0x7f0000000240)=""/103, &(0x7f0000000200)=0xfd0cd22b19f82754) setsockopt$inet_tcp_int(r1, 0x6, 0x6, &(0x7f0000000440)=0x20, 0x4) getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f0000000000), &(0x7f0000000040)=0x4) r2 = socket$inet(0x2, 0x802, 0x0) bind$inet(r1, &(0x7f0000ce6ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x5) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000003c0)={0x0, 0x5}, &(0x7f0000000400)=0x8) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f0000000880)=@broute={'broute\x00', 0x20, 0x1, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000700], 0x0, &(0x7f00000006c0), &(0x7f0000000480)=ANY=[@ANYBLOB="0000000000000d00160000000000000000000000000000ffffffff000000000000660000000000000000000000000000000000000000000000000000000000000000dbd25331ffffffff020000000000000000000000000000000000000000000000000000000100d75f00000a00000000b775922a33699a631a35a914df9e47701aa61d2f36fbc6079b859252823c0b2d72f52a84d67213a84e4c3d4524b53c69f2cf8a20b706d582b20ca32623160979f2a5022c20a0a684ab8c7e4f73f005e14dfcb65482aaba1616869751d7ced41c09"]}, 0x14a) socket$pppoe(0x18, 0x1, 0x0) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu\x00', 0x200002, 0x0) openat$cgroup_int(r3, &(0x7f0000000140)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNATTACHFILTER(r4, 0x401054d5, &(0x7f0000000040)) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000180)={'ifb0\x00', 0xa201}) r5 = syz_open_dev$sndpcmp(&(0x7f0000000340)='/dev/snd/pcmC#D#p\x00', 0x401000000, 0x8002) r6 = bpf$MAP_CREATE(0x0, &(0x7f0000583000)={0x5, 0x80000000005, 0x4000, 0x1}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000000c0)={r6, &(0x7f0000000000), &(0x7f0000000080)}, 0x18) r7 = socket$l2tp(0x18, 0x1, 0x1) socket(0x9, 0x7, 0x10000) socketpair(0x8, 0x3, 0x2, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x1, 0x0, 0x2, 0x8000}) ioctl$TIOCSSOFTCAR(r5, 0x541a, &(0x7f00000001c0)=0x90d) ioctl$DRM_IOCTL_SG_FREE(r8, 0x40106439, &(0x7f0000000100)={0x2e2, r9}) r10 = socket$unix(0x1, 0x5, 0x0) connect$l2tp(r7, &(0x7f0000000000)=@pppol2tpin6={0x18, 0x1, {0x0, r10, 0x2, 0x0, 0x0, 0x0, {0xa, 0x0, 0x9, @mcast2={0xff, 0x2, [], 0x1}, 0x20}}}, 0x32) ioctl$VHOST_GET_FEATURES(r5, 0x8008af00, &(0x7f0000000840)) sendmsg$nl_xfrm(r0, &(0x7f0000000440)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000400)={&(0x7f0000000200)=@allocspi={0xf8, 0x16, 0x1, 0x0, 0x0, {{{@in, @in=@loopback=0x7f000001}, {@in=@loopback=0x7f000001, 0x0, 0x32}, @in6=@mcast2={0xff, 0x2, [], 0x1}, {}, {0x0, 0x4}, {}, 0x70bd29}}}, 0xf8}, 0x1}, 0x0) 2018/05/11 20:20:26 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x74000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:26 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000000)={0x79, 0x0, [0x0, 0x0, 0x0, 0x1]}) 2018/05/11 20:20:26 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_cancel(0x0, &(0x7f0000001440)={0x0, 0x0, 0x0, 0x7, 0x2, r0, &(0x7f00000013c0), 0x0, 0x44}, &(0x7f0000001480)) r1 = socket(0x0, 0x200000000002, 0x0) ioctl$int_in(r1, 0x5452, &(0x7f0000001340)=0x2) symlink(&(0x7f00000014c0)='./file0\x00', &(0x7f0000001500)='./file0\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuacct.usage_sys\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r2, 0x80045500, &(0x7f0000001240)=""/172) ioctl$DRM_IOCTL_AGP_RELEASE(0xffffffffffffffff, 0x6431) ioctl$DRM_IOCTL_VERSION(0xffffffffffffffff, 0xc0406400, &(0x7f0000001200)={0x0, 0x458, 0x7e, 0x6a, &(0x7f0000000080)=""/106, 0x1000, &(0x7f0000000200)=""/4096, 0x62, &(0x7f0000000100)=""/98}) r3 = syz_open_dev$sndctrl(&(0x7f000090cfed)='/dev/snd/controlC#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000001000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000005000), 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r3, 0xc1105518, &(0x7f0000001000)=""/250) 2018/05/11 20:20:26 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 240.055603] kernel msg: ebtables bug: please report to author: Wrong len argument [ 240.076568] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:26 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xfffffff5, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:26 executing program 3: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000200)='net/ip_vs_stats_percpu\x00') pread64(r0, &(0x7f00009f3000), 0x352, 0x0) getsockopt$inet6_dccp_buf(r0, 0x21, 0xf, &(0x7f0000000240)=""/4096, &(0x7f0000000040)=0x1000) 2018/05/11 20:20:26 executing program 6: recvmmsg(0xffffffffffffff9c, &(0x7f0000004780)=[{{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000000)=""/124, 0x7c}, {&(0x7f0000000080)=""/87, 0x57}, {&(0x7f0000000100)=""/103, 0x67}, {&(0x7f0000000200)=""/144, 0x90}, {&(0x7f00000002c0)=""/145, 0x91}, {&(0x7f0000000380)=""/223, 0xdf}, {&(0x7f0000000480)=""/156, 0x9c}], 0x7, &(0x7f00000005c0)=""/106, 0x6a, 0x9}, 0x8000}, {{&(0x7f0000000640)=@generic, 0x80, &(0x7f0000000880)=[{&(0x7f00000006c0)=""/247, 0xf7}, {&(0x7f00000007c0)=""/35, 0x23}, {&(0x7f0000000800)=""/111, 0x6f}], 0x3, &(0x7f00000008c0)=""/75, 0x4b, 0x7}, 0x800}, {{&(0x7f0000000940)=@can, 0x80, &(0x7f0000000a40)=[{&(0x7f00000009c0)=""/70, 0x46}], 0x1, &(0x7f0000000a80)=""/4096, 0x1000, 0x8}, 0x4}, {{&(0x7f0000001a80)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, 0x80, &(0x7f0000001bc0)=[{&(0x7f0000001b00)=""/168, 0xa8}], 0x1, 0x0, 0x0, 0x6}, 0x10001}, {{&(0x7f0000001c00)=@nl=@unspec, 0x80, &(0x7f0000001d00)=[{&(0x7f0000001c80)=""/71, 0x47}], 0x1, 0x0, 0x0, 0x4}, 0x8001}, {{&(0x7f0000001d40)=@in6={0x0, 0x0, 0x0, @mcast2}, 0x80, &(0x7f0000001ec0)=[{&(0x7f0000001dc0)=""/250, 0xfa}], 0x1, &(0x7f0000001f00), 0x0, 0x20}, 0x2}, {{&(0x7f0000001f40)=@ax25, 0x80, &(0x7f0000001fc0), 0x0, 0x0, 0x0, 0x8}, 0x20}, {{&(0x7f0000002000)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x80, &(0x7f0000004340)=[{&(0x7f0000002080)=""/169, 0xa9}, {&(0x7f0000002140)=""/4096, 0x1000}, {&(0x7f0000003140)=""/107, 0x6b}, {&(0x7f00000031c0)=""/4096, 0x1000}, {&(0x7f00000041c0)=""/118, 0x76}, {&(0x7f0000004240)=""/205, 0xcd}], 0x6, 0x0, 0x0, 0x2}, 0x1}, {{&(0x7f00000043c0)=@pppoe={0x0, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f00000046c0)=[{&(0x7f0000004440)=""/161, 0xa1}, {&(0x7f0000004500)=""/25, 0x19}, {&(0x7f0000004540)=""/169, 0xa9}, {&(0x7f0000004600)=""/166, 0xa6}], 0x4, &(0x7f0000004700)=""/72, 0x48, 0x9}, 0x5}], 0x9, 0x10001, 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r0, 0x800442d4, &(0x7f0000004a40)=0x9) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f00000049c0)='/dev/urandom\x00', 0x400000, 0x0) connect$l2tp(r0, &(0x7f0000004a00)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x4e24, @loopback=0x7f000001}, 0x4, 0x1}}, 0x2e) r2 = socket(0x20000000000000a, 0x2, 0x4) getpeername$llc(r2, &(0x7f0000001f00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000001fc0)=0x10) connect(r2, &(0x7f0000000180)=@ipx={0x4, 0x7fffffff, 0x5, "b8c307620de5"}, 0x76) [ 240.197606] kernel msg: ebtables bug: please report to author: Wrong len argument [ 240.223473] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:26 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:26 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0/bus\x00', 0x0) creat(&(0x7f0000000200)='./file0/bus\x00', 0x0) mount(&(0x7f0000000180)='./file0/bus\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='sysfs\x00', 0x0, &(0x7f00000001c0)) listxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000240)=""/76, 0x4c) 2018/05/11 20:20:26 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x894c, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:26 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x100a000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:26 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/arp\x00') bind$alg(r0, &(0x7f00002eb000)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-generic\x00'}, 0x58) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) getsockopt$inet6_buf(r1, 0x29, 0x3f, &(0x7f0000000200)=""/208, &(0x7f0000000000)=0xd0) sendto(r2, &(0x7f0000000040)='<', 0x1, 0x8000, &(0x7f0000ec3000)=@nfc={0x27}, 0x80) read(r0, &(0x7f0000000100)=""/208, 0xd0) sendfile(r2, r1, &(0x7f000013bffc), 0x59) 2018/05/11 20:20:26 executing program 6: open(&(0x7f0000000000)='./bus\x00', 0x100000141842, 0x0) syz_mount_image$ntfs(&(0x7f00000000c0)='ntfs\x00', &(0x7f0000000480)='./bus\x00', 0x0, 0xa0, &(0x7f00000006c0), 0x1000, &(0x7f0000000040)=ANY=[]) r0 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) syz_mount_image$hfs(&(0x7f0000000080)='hfs\x00', &(0x7f0000000100)='./bus\x00', 0x0, 0x1, &(0x7f0000000340)=[{&(0x7f0000000140), 0x0, 0x55c3}], 0x0, &(0x7f0000000780)=ANY=[]) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) write$binfmt_aout(r0, &(0x7f0000000180)=ANY=[@ANYPTR=&(0x7f0000000140)=ANY=[]], 0x8) write$binfmt_aout(r0, &(0x7f0000000540), 0x20) 2018/05/11 20:20:26 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x0, 0x20000004, &(0x7f0000cc7fe4)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x240400c0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockname(r0, &(0x7f0000000040)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f00000000c0)=0x80) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000200)={0x0, 0xf555, 0xcb4}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000280)={r2, 0x1}, 0x8) setsockopt$bt_rfcomm_RFCOMM_LM(r1, 0x12, 0x3, &(0x7f0000000100)=0x18, 0x4) pipe2(&(0x7f0000000140)={0xffffffffffffffff}, 0x800) ioctl$GIO_SCRNMAP(r3, 0x4b40, &(0x7f0000000180)=""/79) 2018/05/11 20:20:26 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x4, &(0x7f0000000080)="c6290100ca6c09b612ec6f2f805de619ec761d9b1e998683") r1 = socket$can_raw(0x1d, 0x3, 0x1) getpeername(r0, &(0x7f00000016c0)=@pppoe={0x0, 0x0, {0x0, @dev}}, &(0x7f0000001740)=0x80) getsockopt$bt_hci(r1, 0x65, 0x3, &(0x7f0000000100)=""/244, &(0x7f0000004301)=0x19a) mq_unlink(&(0x7f0000000000)='-\x00') r2 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x7, 0x10000) recvmsg$kcm(r2, &(0x7f0000001680)={0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f0000000200)=""/198, 0xc6}, {&(0x7f0000000300)=""/254, 0xfe}, {&(0x7f0000000400)=""/4096, 0x1000}, {&(0x7f0000001400)=""/92, 0x5c}, {&(0x7f0000001480)=""/88, 0x58}, {&(0x7f0000001500)=""/164, 0xa4}], 0x6, &(0x7f0000001640)=""/47, 0x2f, 0x480}, 0x40002001) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f00000017c0)={0x120000000000000, {{0x2, 0x4e21, @multicast2=0xe0000002}}}, 0x88) ioctl$KDGKBLED(r2, 0x4b64, &(0x7f00000000c0)) ioctl$sock_SIOCDELDLCI(r2, 0x8981, &(0x7f0000001780)={'veth0_to_bond\x00', 0x6}) [ 240.761636] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:26 executing program 5: r0 = socket(0x40000040015, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00006da000)=0x2, 0x4) bind$inet(r0, &(0x7f0000bf4000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000180), 0x0, 0x0, &(0x7f000069affb)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/05/11 20:20:26 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf0a0000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:26 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:26 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000029000)='\\\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000032ff3)='/dev/snd/seq\x00', 0x0, 0x0) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r2, 0x40bc5311, &(0x7f0000000240)={0x80, 0x1, 'client0\x00', 0x0, "4106008ff045e634", "a6e7fdc21ca049831dae800020000000000000002ecd959ba499f5717885e121"}) getsockopt$inet6_tcp_int(r0, 0x6, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/05/11 20:20:27 executing program 3: r0 = socket(0xa, 0x80807, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") times(&(0x7f0000000100)) [ 240.895425] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:27 executing program 5: pwrite64(0xffffffffffffffff, &(0x7f0000000080)="e1", 0x1, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000100)={0x3, 0xffffffffffffffff}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000140)={0x0}, &(0x7f0000000180)=0xc) fcntl$setownex(r0, 0xf, &(0x7f00000001c0)={0x0, r1}) mmap(&(0x7f0000000000/0x19000)=nil, 0x19000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000007fe0)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x1}) r3 = epoll_create1(0x0) epoll_wait(r3, &(0x7f0000000040)=[{}], 0x1, 0x8000) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000cd8ff4)) epoll_ctl$EPOLL_CTL_DEL(r3, 0x2, r2) epoll_wait(r3, &(0x7f0000000000)=[{}], 0x1, 0x0) r4 = creat(&(0x7f0000000200)='./file0\x00', 0x84) ioctl$sock_ipx_SIOCIPXNCPCONN(r4, 0x89e3, &(0x7f0000000240)=0x331d) ioctl$UFFDIO_UNREGISTER(r2, 0xc020aa04, &(0x7f0000007ffc)={&(0x7f0000000000/0x2000)=nil, 0x2000}) 2018/05/11 20:20:27 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x5, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:27 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:27 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$PIO_FONT(0xffffffffffffffff, 0x4b61, &(0x7f0000001000)='[') pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x4000) ioctl$TCGETS(r1, 0x5401, &(0x7f0000000080)) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x2, 0x0) ioctl$KDGKBLED(r2, 0x4004510d, &(0x7f0000000fff)) [ 241.074376] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:28 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0xfffffffffffffffc, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) write$eventfd(r1, &(0x7f00000001c0)=0x3, 0x8) ioctl$KVM_SMI(r1, 0xaeb7) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000000)={0x1, 0x0, 0x2, 0x3}) socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$DRM_IOCTL_AGP_FREE(r1, 0x40206435, &(0x7f00000002c0)={0x7b, r2, 0x10003, 0x7}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000100)={r1}) r4 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff9) r5 = request_key(&(0x7f0000000400)='cifs.idmap\x00', &(0x7f0000000440)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000480)='/dev/input/event#\x00', 0xfffffffffffffffd) add_key$user(&(0x7f00000004c0)='user\x00', &(0x7f0000000500)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000540)="8e4d76ec17fa2a86993cc27f2726706704220af8af96da3ae92565c19f673466d1fc33448e24c230f18bdc153b62d5f05c18e7f609f77e519bc94e8b6d6e0fb96ebbccaf87deca82246b4e62bab9d420a378be65d7b04ac87685c8d5d60ad5ebbebd86080ef242fc7b", 0x69, r4) keyctl$search(0xa, r4, &(0x7f0000000380)='ceph\x00', &(0x7f00000005c0)={0x73, 0x79, 0x7a, 0x3}, r5) getsockopt$inet_tcp_int(r3, 0x6, 0x19, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r6 = gettid() ptrace$setregset(0x4205, r6, 0x1, &(0x7f0000000140)={&(0x7f0000000280)="4f1f20bef15f3b9bcdd334", 0xb}) ioctl$EVIOCSKEYCODE_V2(r0, 0x80284504, &(0x7f000015cfd8)={0x0, 0x1000000000001, 0x0, 0x0, "cc450294828d9b0006c7c917d91a496bed9216a6f3af549d6ee1fe23a16ba2a4"}) 2018/05/11 20:20:28 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:28 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xffffff7f00000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:28 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00004da000)={0x0, 0x0, 0xfffffbfffffffffc}, 0x4) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000000)={'rose0\x00', {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}) connect$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendto$inet(r1, &(0x7f0000000fc0), 0x0, 0x2004c044, &(0x7f0000000200)={0x2, 0x204e21, @multicast2=0xe0000002}, 0x10) sendto$inet(r1, &(0x7f0000000100), 0xe803, 0x0, &(0x7f0000000b40)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) 2018/05/11 20:20:28 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x5451, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:28 executing program 2: r0 = accept4$unix(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000080)=0x6e, 0x80800) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f00000000c0)=0x5) r1 = socket$inet6(0xa, 0x8000e, 0xa72) socket$inet_dccp(0x2, 0x6, 0x0) listen(r1, 0x0) r2 = syz_open_dev$vcsn(&(0x7f00000001c0)='/dev/vcs#\x00', 0x7ff, 0x200000) ioctl$sock_bt_cmtp_CMTPCONNADD(r2, 0x400443c8, &(0x7f0000000200)={r0, 0x2}) socket$inet_tcp(0x2, 0x1, 0x0) pselect6(0x40, &(0x7f00000abfc0)={0x3ffffd}, &(0x7f0000f08fc0), &(0x7f0000086000), &(0x7f0000349000)={0x0, 0x989680}, &(0x7f0000d0a000)={&(0x7f00001da000), 0x8}) 2018/05/11 20:20:28 executing program 1: r0 = socket(0x10, 0x83000000003, 0x0) get_mempolicy(&(0x7f0000000080), &(0x7f00000000c0), 0x401, &(0x7f0000ffc000/0x4000)=nil, 0x6) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000200)={0x0, 0x7, 0x4, 0xffffffff, 0x9, 0x7, 0x7fffffff, 0x4, {0x0, @in6={{0xa, 0x4e20, 0x180000000, @mcast1={0xff, 0x1, [], 0x1}, 0x200}}, 0xfffffffffffffe01, 0x1, 0x9623, 0x8, 0x1}}, &(0x7f0000000100)=0xb0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000002c0)={r2, 0x2}, &(0x7f0000000300)=0x8) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) sendmmsg$inet_sctp(r0, &(0x7f0000005140)=[{&(0x7f0000000340)=@in={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10, &(0x7f0000002580)=[{&(0x7f0000000380)="f4ca893f2ce6a829fc9bb162b06d103a398b29a14108bc13dd412d67b712f6bac8d795206255b7db312ed8c5edca9efe57cc903ed872d75088a1febf45a6b5ab82f8561d34b253bdb10d5a1706d2610e24ab43bfe4effffb4facf8213f8215c1b658518c2be4e0fd3efa81d1a5caa753be82751aa50dd563e0790b640bd3e3b933c7ca22f45afc8d96d44fd7017d3116b39af968493bddf8ea4c539b12b77b3b6529494161e80e58b505be6aee1ac979d9342b", 0xb3}, {&(0x7f0000000440)="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{&(0x7f0000003f40)="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0x1000}, {&(0x7f0000004f40)="2ca8ae7d02d888737b6b74f1922fffec10b4b88d056f2a19d2a895296cf4e3763703c7161e7078c50ca03622bced882bcdebd6eae87935c9fc7e050bb9abe2c455583a3ce5d77fb34ddf2f63f849ea9f30e3448723a58335984c84e518f9871654521514ba7a5ab839a46d943447e6607c21155a62d6ffcad5b39827e3d85f807be82df0caaef14a434d447b2a6abf6560003400b14a9bfb6d2e2650b2e820ab2bed759b59a7c7c1fc9360aeb0f85a4793cf0a4647e26405cbf05bc053147596b2ceb13f976cd94da13801b32b5e503c2e98a8ebb03a6d6499ab490e394f9c3dd64c279dce94", 0xe6}, {&(0x7f0000005040)="9d82af5faa46d3674e06b643038960eb47a825deb54d5dd792bf5fdd12407a6ea5ad6b92acca6de5b162eab12e35ab4a8db0e27da35b620a05a960cb3f2cffdbec92393af23c36b0fbe0582e184f8cbcb5a02255783185110f6518f417c0ee305e1d39f51e3224cd7435dc98", 0x6c}], 0x7, 0x0, 0x0, 0x80}], 0x5, 0x810) ioctl$TIOCSTI(r4, 0x5412, 0x0) write(r0, &(0x7f0000000040)="220000001e0063fffc01fd03ef6ece030000000000000072d907000f510007140028", 0x22) sendto(r0, &(0x7f0000000000), 0x0, 0x24000000, &(0x7f0000000180)=@sco={0x1f, {0x400, 0x2, 0x800, 0x0, 0x3000, 0x101}}, 0x80) syz_genetlink_get_family_id$fou(&(0x7f0000000140)='fou\x00') 2018/05/11 20:20:28 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8000, 0x4, 0x0, 0x401, 0x0, 0x0, 0x0, 0x5, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000a93fff), &(0x7f00002b7ffc), &(0x7f000029e000), &(0x7f0000000040)) 2018/05/11 20:20:28 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 242.302260] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:28 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="c6295e46ca6c09b612ec6f") mbind(&(0x7f0000772000/0x1000)=nil, 0x1000, 0x0, &(0x7f0000000000), 0x1, 0x6) r1 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x10800) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r1, 0xc0305302, &(0x7f00000000c0)={0xe49, 0x5, 0x81, 0x8, 0x5, 0x8001}) 2018/05/11 20:20:28 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe8030000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:28 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:28 executing program 3: r0 = socket(0xa, 0xa, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r1 = socket$inet6(0x10, 0x2000000003, 0x0) sendmsg(r1, &(0x7f0000000080)={&(0x7f0000000000)=@nl=@kern={0x10}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000100)="5500000018007fb3b72d1cb2a4a2f9930a06000000a84308910523693900070020000000000000001900050000000000000000dc1338d5440700000000000000fb83de4407aa7227c43ab8220000060cec4fab91d4", 0x55}], 0x1, &(0x7f00000000c0)}, 0x0) 2018/05/11 20:20:28 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000f13000)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000000)={0xffffffff, {{0xa, 0x4e24, 0xbdf3, @remote={0xfe, 0x80, [], 0xbb}, 0x1}}}, 0x88) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000340)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa}}}, 0x108) syz_emit_ethernet(0x3e, &(0x7f0000694ffe)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x11, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 242.434089] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:28 executing program 6: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) connect$inet(r0, &(0x7f0000000040)={0x2, 0x4, @broadcast=0xffffffff}, 0x419) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendto$inet(r2, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0\x00', 0x2, 0x0) ioctl$SNDRV_CTL_IOCTL_POWER_STATE(r3, 0x800455d1, &(0x7f0000000180)=""/114) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000000)=0x0) fcntl$setown(r0, 0x8, r4) syz_emit_ethernet(0x3e, &(0x7f0000000200)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "50a09c", 0x8, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}, @local={0xfe, 0x80, [], 0xaa}, {[], @udp={0x0, 0x0, 0x8}}}}}}, &(0x7f0000000140)) ioctl$sock_inet_SIOCGIFADDR(r1, 0x8915, &(0x7f0000000080)={'lo\x00', {0x2, 0x4e22, @multicast2=0xe0000002}}) [ 242.538748] IPv6: Can't replace route, no match found [ 242.630263] netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. [ 242.638991] netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. [ 242.656197] netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. [ 242.664918] netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. 2018/05/11 20:20:29 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:29 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x600, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:29 executing program 5: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) syncfs(r0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000040)={0x2, 0x70, 0x1, 0x1, 0x1, 0x1a4ec000000, 0x0, 0x7, 0x0, 0x1, 0x8, 0x8000, 0xfffffffffffffffb, 0x1, 0x100000000, 0x7, 0x10000, 0x8, 0x2, 0xe63, 0x101, 0x0, 0x0, 0x4, 0x2b28, 0xb9, 0x8, 0x67, 0x0, 0x400, 0x5, 0x100, 0x7, 0x7ff, 0x3ff, 0xd7e, 0x2, 0xfffffffffffffff9, 0x0, 0x5, 0x5, @perf_config_ext={0x4ee4, 0x1f}, 0x900, 0x7fffffff, 0x8, 0x7, 0x3, 0x1, 0x7}) setitimer(0x2, &(0x7f0000000000)={{0x77359400}}, &(0x7f00000000c0)) setitimer(0x3, &(0x7f00000001c0)={{0x0, 0x7530}, {0x0, 0x7530}}, &(0x7f0000000180)) 2018/05/11 20:20:29 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) open_by_handle_at(r0, &(0x7f0000000100)={0x88, 0x8, "cfd25e85842fe54a782bf2658a20d9d478466574aec46175fa5f687883f295da1e7c2df91afb7cdffa75ade42436dc8631dad5c6dbb038b08c299ccb4b3c89e644ac868d84810ea2e8d099e8df8a1c9788247622fceb899b5ea6e9ac08f5cd6bdbb615b4b54dbd069da554579391d1652c844721d2f5235d737662d037fbb369"}, 0x200000) r1 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000035abe1e80d903e0d717ac1889a45e581c9e14a5c8f95f5d2968ae8c767e9d18fd69a") mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x20011, r1, 0x0) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000080)={0x0, 0x1}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f0000000200)={r2, 0x1}, 0x8) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000), &(0x7f00000000c0)=0x14) 2018/05/11 20:20:29 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x80003, 0x5) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000000)={0x84, @dev={0xac, 0x14, 0x14}, 0x0, 0x0, 'lblc\x00'}, 0x2c) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000040)=0x7, 0x4) 2018/05/11 20:20:29 executing program 6: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x101000, 0x0) setsockopt$EBT_SO_SET_COUNTERS(r0, 0x0, 0x81, &(0x7f0000000040)={'filter\x00', 0x4, [{}, {}, {}, {}]}, 0x68) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_ifreq(r1, 0x8930, &(0x7f0000000140)={'syz_tun\x00', @ifru_addrs=@nfc={0x27}}) 2018/05/11 20:20:29 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x5452, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:29 executing program 1: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000002ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000006fc8)={&(0x7f000001dff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10, &(0x7f0000004000), 0x0, &(0x7f0000003fb8)=[@rdma_args={0x48, 0x114, 0x1, {{}, {&(0x7f0000012f46)=""/186, 0xba}, &(0x7f000001a000)=[{&(0x7f0000001f34)=""/204, 0xcc}, {&(0x7f000000e000)=""/211, 0xffffff8e}, {&(0x7f0000013f5d)=""/163, 0xa3}, {&(0x7f000001fff1)=""/15, 0xf}, {&(0x7f0000006fa1)=""/95, 0x5f}, {&(0x7f000001a000)=""/56, 0x38}, {&(0x7f000001bff7)=""/9, 0x3a4}, {&(0x7f0000006000)=""/4096, 0x1000}, {&(0x7f0000012fe5)=""/27, 0x1b}], 0x9}}], 0x48}, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f00000000c0)=0x0) getpgrp(r1) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x400000, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000080)=0x46e) 2018/05/11 20:20:29 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x11, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 243.118575] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:29 executing program 6: r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x800, 0x80000) getsockopt$IPT_SO_GET_ENTRIES(r0, 0x0, 0x41, &(0x7f0000000080)={'mangle\x00', 0x24, "7d2a23c20d9f40a061d3192b9ab088da5ceb250a60d781e79073c32cc46c51fc23cbfba0"}, &(0x7f0000000100)=0x48) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0xfffffffffffffdb4, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0xcd, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fchmod(r1, 0x0) 2018/05/11 20:20:29 executing program 5: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/sequencer2\x00', 0x105000, 0x0) fdatasync(r0) r1 = semget$private(0x0, 0x3, 0x2) ioctl$KVM_GET_XCRS(r0, 0x8188aea6, &(0x7f0000000400)={0x2, 0x3, [{0x8, 0x0, 0x7}, {0x8, 0x0, 0x1}]}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f00000000c0)={{{@in6=@mcast2, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in=@multicast2}}, &(0x7f00000001c0)=0xe8) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000200)={0x0, 0x0, 0x0}, &(0x7f0000000240)=0xc) getresuid(&(0x7f0000000280)=0x0, &(0x7f00000002c0), &(0x7f0000000300)) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000440)) r5 = getgid() semctl$IPC_SET(r1, 0x0, 0x1, &(0x7f0000000340)={{0x2, r2, r3, r4, r5, 0x1, 0x6}, 0x10000, 0x6, 0x8fcd6d8}) r6 = socket(0xa, 0x1, 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)) ioctl(r6, 0x8912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") semctl$GETALL(0x0, 0x0, 0x104, &(0x7f0000000040)=""/24) 2018/05/11 20:20:29 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:29 executing program 3: r0 = socket(0x11, 0x3, 0x0) ioctl(r0, 0x8912, &(0x7f0000000180)="c6295e46ca6c49b612ec6f") r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0xffffffffffffffff, 0x127c7e) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00000001c0)={'veth0_to_team\x00', 0x8000}) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) r3 = syz_open_dev$admmidi(&(0x7f00000000c0)='/dev/admmidi#\x00', 0x8, 0x20400) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r3, 0xc0505405, &(0x7f0000000100)={{0xffffffffffffffff, 0x2, 0x5, 0x3, 0x3}, 0xffffffffffffffff, 0x0, 0x7}) r4 = dup(r1) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000040)={0x84, 0x0, 0x10002, 0x400}) ioctl$DRM_IOCTL_SG_ALLOC(r4, 0xc0106438, &(0x7f0000000080)={0x8, r5}) [ 243.205867] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:29 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x6800000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:29 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:29 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f000067efe4)={0xa, 0x4e20}, 0x1c) sendto$inet6(r1, &(0x7f0000000000)='8', 0x1, 0x0, &(0x7f00007bcfe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000003c0)={0x0, 0x1}, 0x5a) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000040)={'erspan0\x00', 0x6}) write$binfmt_aout(r1, &(0x7f0000001380)=ANY=[@ANYBLOB="cc"], 0x1) 2018/05/11 20:20:29 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000469ffc)=0x7fe, 0x4) sendto$inet(r1, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000cd2ff0)={0x2, 0x4e20}, 0x10) recvmmsg(r1, &(0x7f0000000180)=[{{&(0x7f0000001400)=@ethernet={0x0, @local}, 0x80, &(0x7f0000001640), 0x0, &(0x7f0000001680)=""/251, 0xfb}}, {{0x0, 0x0, &(0x7f0000001a40), 0x0, &(0x7f00000000c0)=""/89, 0x59}}], 0x2, 0x40012000, &(0x7f0000001c40)={0x0, 0x989680}) 2018/05/11 20:20:29 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:29 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf0a000000000000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 243.387772] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 243.470379] erspan0: Invalid MTU 6 requested, hw min 68 [ 243.470724] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 243.510099] erspan0: Invalid MTU 6 requested, hw min 68 2018/05/11 20:20:30 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x1f4, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:30 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000040ff8)={0xffffffffffffffff}) ioctl$int_in(r1, 0x5452, &(0x7f0000008ff8)=0x3f) r2 = socket$key(0xf, 0x3, 0x2) shutdown(r2, 0x1) ioctl$sock_netdev_private(r1, 0x89f8, &(0x7f0000000000)="86171fc1c43ed2904eb18d7aa0a8eb078ccb484225966786b60fd15d5f4d31e17ea9db7bd03f9e8096e93d362a3ad468b16c2d6c3ee359a21d797ef9e9a4d18316e9d5bf001059a7cbd9368eb72abc887094a2514096431e545c0d5042ba191ff3e79fdcb0d16e0f6f79d913d47b0410ee3b0eb92597b77a645e6768b1aae72f8244efdbcec5f831c79300fe9bf67b4d587b9ae14962bfd97eebcb163365dae8a579") 2018/05/11 20:20:30 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:30 executing program 1: r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x1ff, 0x2) sendto$ipx(r0, &(0x7f0000000080)="21384b3e9097f949d91ad2e2996685227f89918c8f13858016d78c1eb5b6f11e54649ac6205c3ef7442ec51166fe707f896d479c3dbcb26c88da434c614294e1f532222ba97e70da7ba46ea2f677c4b6a2dee4c6e837b6ef2eba8e6e7bf76a4216250327cd5c", 0x66, 0x4008000, &(0x7f0000000180)={0x4, 0x101, 0x2, "048918517622", 0x3}, 0x10) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb08004500005c0000000000019078ac1414bbac141411050490780000000040000000000000000000442c000000000000000000007f00000100000000ffffffff00000000e000000100000000ac14140000000000"], &(0x7f0000000000)={0x1, 0x0, [0x0, 0x0, 0x0, 0x6d]}) 2018/05/11 20:20:30 executing program 5: perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x820, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffbfe, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000c00)}, 0x1350, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)=0x0) tkill(r1, 0xb) 2018/05/11 20:20:30 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8947, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:30 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_IRQ_LINE_STATUS(r1, 0xc008ae67, &(0x7f0000000180)={0x0, 0x8001}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000000c0)=0x0) getpgrp(r3) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x9, 0x0, 0x0, 0x1}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000000)={[], 0x0, 0x200}) ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f0000fc2000)=0x3) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/11 20:20:30 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000307ff7)='/dev/kvm\x00', 0x0, 0x0) syz_open_dev$random(&(0x7f0000000000)='/dev/random\x00', 0x0, 0x680000) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000140)={0x4000, &(0x7f0000000180), 0xe, 0xffffffffffffffff, 0x10000000}) write$binfmt_aout(r1, &(0x7f00000001c0)=ANY=[@ANYBLOB="0b01dc0615030000220100e204000000e3010000030000000000000000000000efbfe65ddfc8ae4eeca3b799d7b371cd4ff6b9c4725c369c7f7389c96d2cefd943a5e9004d2b4ab17232c0d9beb52a3d563ae06df29f0907188cc439185c258c6ff87054e0ee4ea47e50d7f0cc4b937477a2a58f81a625d1f85834aae74a96d8fbf8525d9c0a14740fdf98f78235e17ef94cacab3cc710e0908f7c3a8d941cd2153d447fa2c71e0cce0d0972b3e74d21b4946173260e6bac3f6389ff43df23e3c6af048a51fb14eeb41b1ea364c1e892f69df1e5cc9d739e8b00000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000afb100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffea000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x6d9) [ 244.025653] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:30 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:30 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = epoll_create(0x100000001) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000000c0)={0xffffffffffffffff}) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000080)) 2018/05/11 20:20:30 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xf4010000, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:30 executing program 6: ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x10000}) r0 = perf_event_open(&(0x7f00000000c0)={0x5, 0x70, 0x4, 0x3, 0x0, 0x5, 0x0, 0x800, 0x20, 0x4, 0x7, 0x4, 0xfb, 0x9c, 0x2e6e, 0x8, 0x3f, 0x8000, 0x7870, 0x100010000, 0x7fffffff, 0x3ff, 0x5, 0x8000, 0x4, 0x5, 0x1f, 0xd824000000000000, 0x68, 0x9, 0x2, 0x0, 0x2, 0x211, 0x5, 0x3, 0x80, 0x5, 0x0, 0x7, 0x2, @perf_bp={&(0x7f0000000000), 0x9}, 0xa, 0x9, 0x7ff, 0x0, 0x5, 0x7ff, 0x169a2757}, 0x0, 0xa, 0xffffffffffffffff, 0x1) finit_module(r0, &(0x7f00000001c0)='\x00', 0x1) r1 = syz_open_dev$mouse(&(0x7f0000000140)='/dev/input/mouse#\x00', 0x1, 0x20040) ioctl$sock_netrom_TIOCINQ(r1, 0x541b, &(0x7f0000000180)) r2 = syz_open_dev$dmmidi(&(0x7f0000014000)='/dev/dmmidi#\x00', 0x2, 0x902) writev(r2, &(0x7f0000000040)=[{&(0x7f0000001140), 0x46}], 0x2af) 2018/05/11 20:20:30 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x2, 0xa, 0x0, 0x0, 0x2}, 0x10}, 0x1}, 0x0) socket$bt_bnep(0x1f, 0x3, 0x4) [ 244.168637] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:30 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8914, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:30 executing program 5: r0 = socket$inet(0xa, 0x801, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000000)=@broute={'broute\x00', 0x20, 0x1, 0x258, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000480], 0x0, &(0x7f0000000440), &(0x7f0000000480)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x1, [{{{0x13, 0x0, 0x8035, 'gretap0\x00', 'ipddp0\x00', 'ip6gretap0\x00', 'bond0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], @link_local={0x1, 0x80, 0xc2}, [], 0x108, 0x190, 0x1c8, [@arp={'arp\x00', 0x38, {{0x0, 0x0, 0x0, @rand_addr, 0x0, @multicast1=0xe0000001, 0x0, @link_local={0x1, 0x80, 0xc2}, [], @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}}}, @mac={'mac\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}}}}]}, [@common=@dnat={'dnat\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}, 0xffffffffffffffff}}}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x6df, 'syz1\x00'}}}]}, @common=@mark={'mark\x00', 0x10, {{0x0, 0xfffffffffffffffd}}}}]}]}, 0x2d0) 2018/05/11 20:20:30 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0xe803, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:30 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:30 executing program 3: bind$inet(0xffffffffffffffff, &(0x7f0000103ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) 2018/05/11 20:20:30 executing program 6: r0 = socket$inet(0x2b, 0x4400000000010005, 0x6) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f0000000000)) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x64e, 0x400200) sendmsg$nl_netfilter(r1, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ffe}, 0xc, &(0x7f00000000c0)={&(0x7f0000000640)=ANY=[@ANYBLOB="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"], 0x225}, 0x1, 0x0, 0x0, 0x80}, 0x8000) 2018/05/11 20:20:30 executing program 1: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x1, 0x0) ppoll(&(0x7f00000000c0)=[{r0, 0x100}], 0x1, &(0x7f0000000280)={0x77359400}, &(0x7f00000002c0)={0x8}, 0xffffffffffffff03) 2018/05/11 20:20:30 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000340)="e3bee1a93adf4920d3fe6ec829c215c5fdfb9cde0bf7b99bc77f9e85", 0x1c) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r0, 0xc0605345, &(0x7f0000000380)={0x4, 0x1, {0x0, 0x2, 0x5d3, 0x1, 0x2}}) bind$alg(r0, &(0x7f00000005c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cts(cbc-camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000040)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000031c0)=[{0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000400)="df960c91da669839d4496da4ca46c01824", 0x11}], 0x10000000000001e0, &(0x7f0000000300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000001d40)={&(0x7f00000019c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f0000001c00)=[{&(0x7f0000001a40)=""/194, 0xc2}, {&(0x7f0000001b40)=""/138, 0x8a}], 0x2, &(0x7f0000001c40)=""/255, 0xff, 0x81}, 0x2) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000800)=0x0) sched_setattr(r3, &(0x7f0000000680)={0x30, 0x0, 0x0, 0x7, 0x7, 0x80000000, 0x7, 0x7fffffff}, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000001d80)={'erspan0\x00', r2}) recvmsg(r1, &(0x7f0000000000)={&(0x7f0000000080)=@ethernet, 0x80, &(0x7f0000000200)=[{&(0x7f0000000140)=""/170, 0xffffff04}], 0x1, &(0x7f0000000240)=""/148, 0xfffffffffffffe78}, 0x0) lstat(&(0x7f0000000a80)='./file0\x00', &(0x7f0000000ac0)={0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getgid() getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000b40)={{{@in6=@mcast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000c40)=0xe8) getgroups(0x1, &(0x7f0000000c80)=[0x0]) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000cc0)={{{@in=@local, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@remote}}, &(0x7f0000000dc0)=0xe8) r9 = getegid() r10 = geteuid() getgroups(0x7, &(0x7f0000000e00)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) fstat(r1, &(0x7f00000014c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r13 = getegid() getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000001540)={{{@in6=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@local}}, &(0x7f0000001640)=0xe8) getgroups(0x2, &(0x7f0000001680)=[0xffffffffffffffff, 0x0]) lstat(&(0x7f00000016c0)='./file1\x00', &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000001780)='./file0/file0\x00', &(0x7f00000017c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000001840)={{{@in=@rand_addr, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}}}, &(0x7f0000001940)=0xe8) getgroups(0x7, &(0x7f0000001980)=[0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0]) r20 = geteuid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000003080)={0x0, 0x0, 0x0}, &(0x7f00000030c0)=0xc) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000003200)={{{@in=@dev, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@rand_addr}}, &(0x7f0000003100)=0xe8) stat(&(0x7f0000003140)='./file0\x00', &(0x7f0000003300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r24 = fcntl$getown(r0, 0x9) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000003380)={{{@in6=@dev, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4}, 0x0, @in=@multicast1}}, &(0x7f0000003180)=0xe8) lstat(&(0x7f0000003480)='./file0\x00', &(0x7f00000034c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000003540)={{{@in6=@remote, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4}, 0x0, @in6=@local}}, &(0x7f0000003640)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000003c40)={{{@in=@local, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@remote}}, &(0x7f0000003d40)=0xe8) r29 = getegid() r30 = getuid() getgroups(0x3, &(0x7f0000004180)=[0x0, 0xffffffffffffffff, 0x0]) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000041c0)={{{@in6=@remote, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@local}}, &(0x7f00000042c0)=0xe8) r33 = getegid() lstat(&(0x7f0000004300)='./file0\x00', &(0x7f0000004340)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x3, &(0x7f00000043c0)=[0x0, 0xffffffffffffffff, 0x0]) sendmmsg$unix(r1, &(0x7f0000004500)=[{&(0x7f0000000840)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000000640)=[{&(0x7f00000008c0)="2be1a1ae0611f7918854f9818e214e019caedd984f8763671cc54fd2d96b197113649cd25b16929b31c0ed5190538c1fd3d010037f3f3eea0fb396af021f744c2b0dd21d11b3148fa2ee3cb1d351ee6a40fc5de2a92dd465b6fc7ad149cb4b2b63e4fb5776e904f30f05dbd31e53fb104651e8ccec8a9c0430e56bdd7c26629ffae74afd9efef2f75d4573f1fb0ef9a4a5b771d7896c971fe3e3addb104e3ffbdc4d4367eb250ec3472d37863241fc449b254f5cfe0d3b6eea16bfc95f3bfb60af710792e037fc70f3e3fe0f4240f8f8d15cf60559822e3c551654", 0xdb}, {&(0x7f00000009c0)="a03d017416739b042e568bb0f4baee0d2675f6d2e920d3384c58b71ec8fbf9d75ddc0fbaaaf2091dcf224dac1a0226130ad05ead23e418a646ae2e98488acfbdf6ab117a26089c97360195dd14b1fab03dbc109225aeff4318353a22a22ace0ce659a90292b1ba3e5f885fbd0d225ed9c5353a4a26a9b129096caf56218cc132ee824d8dd7e1a3ebda0069e04b32cabfd964b64c4cbe4217b39540b17b4bb6344cc1400171fcafc57124a0d57f7291f25fd9ec80831fdf9400a6c5", 0xbb}], 0x2, &(0x7f0000000e40)=[@cred={0x20, 0x1, 0x2, r3, r4, r5}, @rights={0x30, 0x1, 0x1, [r1, r0, r0, r0, r0, r1, r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r3, r6, r7}, @rights={0x30, 0x1, 0x1, [r0, r1, r1, r0, r1, r1, r0, r0]}, @cred={0x20, 0x1, 0x2, r3, r8, r9}, @cred={0x20, 0x1, 0x2, r3, r10, r11}, @rights={0x38, 0x1, 0x1, [r0, r1, r1, r0, r0, r0, r1, r0, r1]}, @rights={0x18, 0x1, 0x1, [r1, r1]}], 0x150, 0x10}, {&(0x7f0000000fc0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000001440)=[{&(0x7f0000001040)="4c0a5a1b72aee7b583c2ffdc4227c0b93dd10919d37e5d3834d449ae0aa4af512722a2e8d97ea44f89a18d9082a56783294ba91aeda0adceef8e76c3ed6d20b48dc4e9106c0fd090df2345db33aab9d96323aafc0b568cb4b84e3dde40c3ee9113a5b5a7f3a4acee7d35c5db6800b8deba64baccb43da653faaefc4dea4ec03fbfb8e456b9c15fc00f18fd2900944ade", 0x90}, {&(0x7f0000001100)="65c2bbe035184d8401047bf7714f333d8e2061118e936a45040707672ce41f32e12bcd49f1e9dd9cc9e761328ee471692b6dd9c2636a6f27c2ccb3db7863194176ca093ae7a2f62ba305ca3aff58e66b413775fb9fa5af83b0cc795d9b115f5fe72e0d9e1bff17957bf919076704fc32dfae1414b8ecbc58bd3aded7001166cc7deb0ed287d43506", 0x88}, {&(0x7f00000011c0)="7043ce86f2cf0ad4838be92f04e0aeb6802301673aa39e8ee678647c0a337f764fda4df6a135f44ccb98401c703b08c797798946a3cbba70968198ab45bec76eaaf58a456f8bfb1a5f9ee4a88c8fce74f671082d86206fe50c48510038a6cd453428e1d6504e1f197d3e91107a609d5c3231f16e6807c5b72ae9f111ff586b70e569048a8ab2517b5578c7275e276b42c4d0b501b03e75928e4e1aaee5aaa9d6695a719ce4fed9f85c2b71b6c5574ecb50e9d37fcdce4b8ff08b18d1758f0b86f444f5e5c6b5e94c2fc2da48bee20053c8ebd5f45c370e5c1af7ebbda11a", 0xde}, {&(0x7f00000012c0)="f6c89fb8408f7df263e6e9931bffb49552c3562d059cffbbb8d5814efccfcd3929e2333465d2fbf39c757e8ccd88a712701ad2173b671116f1dbae95fe2d6e325128a2141c9ef263462f43ae38c035d247132503899a15bc42775326dcfb546ea3070ad550fde72d1e7e371b6d449a0a966bafc71779a4cf98bdd6187dd63ed818a5c22f5028084863b097daa2c5364feb9cac0a21fa690db92b0c819ef0238ac953e57f33511832c6fa7ad13544349f1b9f4367ae34ae5cd1e12c80759b06ac06b262c8a766e569373b3c97e4ab8611d622382b009fca8d36027e6b64c1a53919", 0xe1}, {&(0x7f00000013c0)="9337b12404504f4c27ea73b80c1a3e23bb6d2b77a42c64db28cdbfe67c4b3a3b0931eb57706ea98a", 0x28}, {&(0x7f0000001400)="a621fa", 0x3}], 0x6, &(0x7f0000001dc0)=[@rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x18, 0x1, 0x1, [r0]}, @rights={0x20, 0x1, 0x1, [r1, r0, r1]}, @cred={0x20, 0x1, 0x2, r3, r12, r13}, @cred={0x20, 0x1, 0x2, r3, r14, r15}, @cred={0x20, 0x1, 0x2, r3, r16, r17}, @cred={0x20, 0x1, 0x2, r3, r18, r19}, @rights={0x38, 0x1, 0x1, [r1, r0, r0, r0, r0, r1, r1, r0, r0]}], 0x108, 0x80}, {&(0x7f0000001f00)=@abs={0x0, 0x0, 0x4e24}, 0x6e, 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0x1000}, {&(0x7f0000002f80)="009c5455272040faf6f8df3eafdd88cee7eebc62ad06ae9b2f75bf9857875798cd973491da5bce7b948cbae1e4dfa35bf109c47a56a546a02241342b9aab0ce2a18982aaf12afc357ee514bb0a9ff29ee59e29e354ed6fb33a36b493d07b0a8b74ab046e61668c59cc2708722c1f89518763355a0a7665781519d13ce0f9b46ec8aba30d28d5fe27a5bc4cf11d9fd6f07e5c9ed2aad2", 0x96}], 0x2, &(0x7f0000003700)=[@rights={0x20, 0x1, 0x1, [r0, r1, r0]}, @cred={0x20, 0x1, 0x2, r3, r20, r21}, @cred={0x20, 0x1, 0x2, r3, r22, r23}, @cred={0x20, 0x1, 0x2, r24, r25, r26}, @cred={0x20, 0x1, 0x2, r3, r27}, @rights={0x20, 0x1, 0x1, [r1, r1, r0, r0]}, @rights={0x28, 0x1, 0x1, [r0, r0, r1, r0, r1]}, @rights={0x10, 0x1, 0x1}, @rights={0x18, 0x1, 0x1, [r1]}], 0x110, 0x8004}, {&(0x7f0000003840)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000003bc0)=[{&(0x7f00000038c0)="80f8afdcd508ab1b2ee58cbea788bcf7a31449de25a6635783b58fdd6c15150608643325082e40f35d0e248037d6ebcc0e7c2094bf099473983b6644655d944d8cfea7a5a6268e7aa4c50ca873687b396831363d82edec8926244f5227f1ada4c094f68d85d273d7d6a65e07", 0x6c}, {&(0x7f0000003940)="07262a92ab3914c8c15ba7424a489bde745fa3f38121de3daf22e77dff1241c8692a7c326e95f77bdcfe208ca14807f64aa3fa7dbf40a6bf4a10f7b218", 0x3d}, {&(0x7f0000003980)="7ed944b61ea85dd93ba4970340d564a3064f8ac3ab896eb11c7e21d17a2b9bbdb430297fec39196dadae5bc8e3e3bfefdf51ce3819a635fcc973f05453b76e674c07b18615f7d1e7197eb559213963d7c1e803e22738e9", 0x57}, {&(0x7f0000003a00)="f38debdc036ab30cbe68062b05927e5f8a560c58e1c13c8c9c78014206e7c4c3cf46ab70244317a3c9a8d7836ebe99b333ae55c39a7d4d5edf5ef82e06711b223fee", 0x42}, {&(0x7f0000003a80)="a1df5a7f2fd12d85b3156d51ca9ca3", 0xf}, {&(0x7f0000003ac0)="344e2fb56c57080826bcde8bbf34f9243f6777f4a3947dd0c6dd9c2d4a83b24cf02d4b4ce069c5a09e762734e7f0248021efd6e42a416523c88854dc4b9cbb9f6bdde0c48c18079a16d6f299be503b75ccefb60c8009694323a635f70a634c702f7e0ad2c7b0383557c881a9061cef4d30555cb68052ba93c882c4e552bdffacdbc69aca7f0fd776c315e984b4b625635235f083161d5bd4deeec1b8957698acf36bbe0c717d49be37fe97bf1c24aba5f4bd39d89bc08addbc9895c1527e74a25a7167", 0xc3}], 0x6, &(0x7f0000003d80)=[@rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r1]}, @rights={0x18, 0x1, 0x1, [r0, r1]}, @cred={0x20, 0x1, 0x2, r3, r28, r29}, @rights={0x18, 0x1, 0x1, [r0, r1]}, @rights={0x30, 0x1, 0x1, [r1, r0, r1, r1, r1, r1, r1]}, @rights={0x30, 0x1, 0x1, [r0, r0, r1, r1, r0, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r1]}, @rights={0x18, 0x1, 0x1, [r1]}, @rights={0x18, 0x1, 0x1, [r0]}], 0x138, 0x840}, {&(0x7f0000003ec0)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000004140)=[{&(0x7f0000003f40)="496737e90fcabb5a74d4dc720531e7cdcfbc11eea32fc446b27d6d6e3ef1e7a541576e6b497f947d93dc9b7a9e39d2b0478fc004714403c28f26a69872a22ec35cf90f48fa0dc49b4749f98fd917b793cd", 0x51}, {&(0x7f0000003fc0)="5f0ea291aa1da5a205c59adfc831dd90", 0x10}, {&(0x7f0000004000)="849a4ef23b9d54aa1141be7007ed114791e1586c41e2850a87738c1952a1dd9093723d4f2b71b58093bda352aeb3537827fff1dad070e0e7a870795163f275f75a82289a8687abf19c65e27f9906ee331e25558075863c8c28cce54df32480e2a677118863fa7582e7f919dcc336c365ae5552f7dcfe781bb9b372fad5ddb34289c57135c67400fb9082b0b907def513b33fef4ae4c6d46523648f80fdb28173b86799c2f9fae8", 0xa7}, {&(0x7f00000040c0)="71cd75ca8826bff4f4fdbf979d64c6e27d83896f27efce68bcdd4d4c944361d8b037e0b6245d2155ff9de7d70042b0964336fcb8be3e0e430bb3fac57d6e1a1ca94ab2aa2a65a4b08d1656db127b53bf697492", 0x53}], 0x4, &(0x7f0000004400)=[@rights={0x20, 0x1, 0x1, [r1, r0, r1]}, @rights={0x30, 0x1, 0x1, [r0, r0, r1, r0, r1, r0, r1, r1]}, @cred={0x20, 0x1, 0x2, r3, r30, r31}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r1]}, @cred={0x20, 0x1, 0x2, r3, r32, r33}, @cred={0x20, 0x1, 0x2, r3, r34, r35}], 0xe0, 0x8840}], 0x5, 0x4) r36 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440)='/dev/snapshot\x00', 0x0, 0x0) statx(r36, &(0x7f00000006c0)='./file0\x00', 0x400, 0x7ff, &(0x7f0000000700)) sendmsg$can_raw(r36, &(0x7f0000000540)={&(0x7f0000000480)={0x1d, r2}, 0x10, &(0x7f0000000500)={&(0x7f00000004c0)=@can={{0x0, 0x2, 0x100000001, 0x2}, 0x5, 0x2, 0x0, 0x0, "5db05402778e0ee9"}, 0x10}, 0x1, 0x0, 0x0, 0x40}, 0x4014) syz_open_dev$dspn(&(0x7f0000000580)='/dev/dsp#\x00', 0x6a, 0x80000) 2018/05/11 20:20:31 executing program 6: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x2000, 0x0) ioctl$EVIOCGABS3F(r0, 0x8018457f, &(0x7f0000000080)=""/121) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x6e, &(0x7f0000000280)=ANY=[@ANYBLOB="0180c200003f000000ffffff86dd60c1080000000000000000000000000000000000c15ed2ffffff7f000000000000000000000000bb00000000000000033900030090783f000000606c38bf00002e00000000000000000033f10d5ab10000000000000001fe8000000000000000"], &(0x7f0000000000)) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000007000)={'vcan0\x00'}) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000006000)={0xaa}) mprotect(&(0x7f0000005000/0x2000)=nil, 0x2000, 0x1) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000006ffc)={{&(0x7f0000009000/0x4000)=nil, 0x4000}, 0x1}) readlinkat(r0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)=""/89, 0x59) r2 = semget(0x3, 0x0, 0x0) semctl$IPC_RMID(r2, 0x0, 0x0) [ 244.917871] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:31 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) msgsnd(0x0, &(0x7f0000000040)=ANY=[], 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x80, 0x0) r0 = socket(0x800000000a, 0x2, 0x0) ioctl(r0, 0x890c, &(0x7f0000000280)) 2018/05/11 20:20:31 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:31 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x74, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:31 executing program 5: r0 = syz_open_dev$sndctrl(&(0x7f000090cfed)='/dev/snd/controlC#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000001000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 0x0, 0x1000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x6, 0xfffffffffffffffb}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc4c85513, &(0x7f0000001000)=""/250) pselect6(0x40, &(0x7f0000000000)={0x5, 0x3, 0x4, 0x4, 0x7, 0x7f, 0x0, 0x6}, &(0x7f0000000040)={0x1, 0x0, 0xcf2, 0x2, 0x7, 0x6, 0x7fffffff, 0x10001}, &(0x7f0000000080)={0x1000, 0x40, 0x10001, 0x7, 0x100, 0x1, 0x7f, 0x802}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={0xd6e}, 0x8}) 2018/05/11 20:20:31 executing program 6: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00005daff1)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f00001e3000)) r1 = eventfd(0xffdffffffffffffa) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f00000000c0)={0x0, r1}) io_setup(0x8, &(0x7f0000000000)=0x0) io_submit(r2, 0x1, &(0x7f00000002c0)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000040), 0x0, 0x0, 0x0, 0x1, r1}]) r3 = syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x0, 0x8002) ioctl$EVIOCSABS0(r3, 0x401845c0, &(0x7f0000000200)={0x75e, 0xf5b, 0x7, 0x3f, 0x200, 0x44e}) r4 = syz_genetlink_get_family_id$team(&(0x7f0000000280)='team\x00') getsockopt$inet_mreqn(r3, 0x0, 0x0, &(0x7f0000000340)={@broadcast, @empty, 0x0}, &(0x7f0000000380)=0xc) accept$packet(r3, &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000001a40)=0x14) accept$packet(r3, &(0x7f0000001a80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000001ac0)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000001b00)={'team0\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000001c00)={{{@in=@dev, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@ipv4={[], [], @remote}}}, &(0x7f0000001d00)=0xe8) getpeername$packet(r3, &(0x7f0000001d40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000001d80)=0x14) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000001e80)={'vcan0\x00', 0x0}) getsockopt$inet_mreqn(r3, 0x0, 0x24, &(0x7f0000001ec0)={@dev, @loopback, 0x0}, &(0x7f0000001f00)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000001f40)={{{@in6=@remote, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@dev}}, &(0x7f0000002040)=0xe8) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000002080)={'eql\x00', 0x0}) getsockopt$inet_mreqn(r1, 0x0, 0x20, &(0x7f0000002180)={@multicast2, @multicast2, 0x0}, &(0x7f00000021c0)=0xc) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000002200)={{{@in=@broadcast, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast2}}, 0x0, @in6=@dev}}, &(0x7f0000002300)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f00000024c0)={{{@in, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@loopback}}, &(0x7f00000025c0)=0xe8) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000ec0)={0x0, @loopback, @local}, &(0x7f0000000f00)=0xc) accept$packet(r3, &(0x7f0000002680)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f00000026c0)=0x14) accept4$packet(r3, &(0x7f0000003bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000003c00)=0x14, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000003ec0)={{{@in6=@mcast1, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@dev}}, &(0x7f0000003fc0)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000004000)={{{@in=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@mcast2}}, &(0x7f0000004100)=0xe8) getsockopt$inet6_mreq(r3, 0x29, 0x1f, &(0x7f00000042c0)={@loopback, 0x0}, &(0x7f0000004300)=0xffffffffffffffd7) getsockname$packet(r3, &(0x7f0000004340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000004380)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000043c0)={{{@in=@local, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@multicast2}}, &(0x7f00000044c0)=0xe8) getpeername$packet(r3, &(0x7f0000005fc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000006000)=0x14) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000006040)={'syzkaller1\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000006080)={{{@in6=@remote, @in6=@ipv4={[], [], @rand_addr}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@loopback}}, &(0x7f0000006180)=0xe8) sendmsg$TEAM_CMD_OPTIONS_SET(r3, &(0x7f0000006b40)={&(0x7f0000000240)={0x10}, 0xc, &(0x7f0000006b00)={&(0x7f00000003c0)=ANY=[@ANYBLOB='4\t\x00\x00', @ANYRES16=r4, @ANYBLOB="010c26bd7000fedbdf250100000008000100", @ANYRES32=r5, @ANYBLOB="8400020040000100240001007072696f72697479000000000000000000000000000000000000000000000000080003000e00000008000400ff07000008000600", @ANYRES32=r6, @ANYBLOB="40000100240001006d6f646500000000000000000000000000000000000000000000000000000000080003000500000010000400726f756e64726f62696e000008000100", @ANYRES32=r7, @ANYBLOB="a801020038000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000800030003000000080004000500000040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000080003000b000000080004007a62135408000600", @ANYRES32=r8, @ANYBLOB="38000100240001006e6f746966795f70656572735f636f756e740000000000000000000000000000080003000300000008000400170a000038000100240001006d636173745f72656a6f696e5f636f756e74000000000000000000000000000008000300030000000800040006000000400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000600000008000600", @ANYRES32=r9, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000200000008000600", @ANYRES32=r10, @ANYBLOB="3c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=r11, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="280202003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r13, @ANYBLOB="40000100240001006d6f646500000000000000000000000000000000000000000000000000000000080003000500000010000400726f756e64726f62696e00003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r14, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000200000008000600", @ANYRES32=r15, @ANYBLOB="38000100240001006e6f746966795f70656572735f696e74657276616c0000000000000000000000080003000300000008000400ad12000044000100240001006270665f686173685f66756e6300000000000000000000000000000000000000080003000b0000001400040008006a0902000000020003032000000038000100240001006e6f746966795f70656572735f636f756e740000000000000000000000000000080003000300000008000400ffff00003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r16, @ANYBLOB="3c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r17, @ANYBLOB="08000100", @ANYRES32=r18, @ANYBLOB="1801020038000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000800030003000000080004008d4e000040000100240001006c625f686173685f737461747300000000000000000000000000000000000000080003000b0000000800040001010000080007000000000040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000080003000300000008000400", @ANYRES32=r19, @ANYBLOB="08000700000000005c000100240001006270665f686173685f66756e6300000000000000000000000000000000000000080003000b0000002c000400095e01ff010001000400013f010000000100a7090100000000007e1f40a5084e050006e50800000008000100", @ANYRES32=r20, @ANYBLOB="2801020038000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000080003000300000008000400010000003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r21, @ANYBLOB="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", @ANYRES32=r22, @ANYBLOB="080007000000000038000100240001006c625f73746174735f726566726573685f696e74657276616c000000000000000800030003000000080004000100000008000100", @ANYRES32=r23, @ANYBLOB="bc00020038000100240001006e6f746966795f70656572735f636f756e7400000000000000000000000000000800030003000000080004000080000040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000080003000b000000080004007898ea3008000600", @ANYRES32=r24, @ANYBLOB="40000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000080003000300000008000400", @ANYRES32=r25, @ANYBLOB="080007000000000008000100", @ANYRES32=r26, @ANYBLOB="9801020038000100240001006e6f746966795f70656572735f636f756e7400000000000000000000000000000800030003000000080004000500000038000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000800030003000000080004001200000038000100240081006d636173745f72656a6f696e5f636f756e740000000000000000000000000000080003000300000008000400ca0500003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r27, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000080003000300000008000400", @ANYRES32=r28, @ANYBLOB="40000100240001006c625f686173685f737461747300000000000000000000000000000000000000080003000b0000000800040003000000080007000000000038000100240001006e6f746966795f70656572735f696e74657276616c000000000000000000000008000300030000000800040000000000"], 0x934}, 0x1, 0x0, 0x0, 0x41}, 0x20000080) r29 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x80000, 0x0) setsockopt$inet_MCAST_LEAVE_GROUP(r29, 0x0, 0x2d, &(0x7f0000000140)={0x8, {{0x2, 0x4e20, @multicast1=0xe0000001}}}, 0x88) setsockopt$packet_int(r0, 0x107, 0xb, &(0x7f0000000300)=0x3ff, 0xfffffffffffffffb) 2018/05/11 20:20:31 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:31 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0xffffff89, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:31 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$IPT_SO_GET_REVISION_MATCH(r0, 0x0, 0x42, &(0x7f0000000000)={'ipvs\x00'}, &(0x7f0000000040)=0x1e) setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000100)={@dev={0xac, 0x14, 0x14}, @multicast2=0xe0000002}, 0x8) r1 = dup3(r0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40082406, &(0x7f0000000080)='ipvs\x00') 2018/05/11 20:20:31 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0xffffff84, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:31 executing program 3: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f00008b7ff0)={&(0x7f0000000240)={0x14, 0x14, 0x40000000008, 0x8ffffffff}, 0x14}, 0x1}, 0x0) 2018/05/11 20:20:31 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:31 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000307ff7)='/dev/kvm\x00', 0x0, 0x0) r1 = semget(0x1, 0x4, 0x10) semctl$GETPID(r1, 0x5, 0xb, &(0x7f0000000200)=""/219) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = socket$inet6(0xa, 0x803, 0x440000000000005) r4 = dup(r0) eventfd(0x0) r5 = dup2(r2, r3) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, &(0x7f00000001c0)={0x0, &(0x7f0000000100), 0x0, r4, 0x200000000000020}) r6 = eventfd2(0x0, 0x0) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, &(0x7f0000000000)={0x0, &(0x7f000002d000), 0x0, r6}) openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x30800, 0x0) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000040)={0x0, &(0x7f000002d000), 0x0, r6, 0x4}) bind$llc(r5, &(0x7f00000000c0)={0x1a, 0x304, 0x7, 0x5, 0x400, 0x7, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) 2018/05/11 20:20:31 executing program 6: r0 = accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x80000) listen(r0, 0xd03) r1 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000f5ffe0)={@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x374}, 0x20) 2018/05/11 20:20:31 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8933, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:31 executing program 2: r0 = socket$inet(0x2, 0x100000000805, 0x0) listen(r0, 0x800007) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00007dc000)=0x1, 0x4) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000080)=0x8, 0x86aa94e0) chdir(&(0x7f00000000c0)='./file0\x00') getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000000), &(0x7f0000000040)=0xb) [ 245.783284] bridge0: port 2(bridge_slave_1) entered disabled state [ 245.789950] bridge0: port 1(bridge_slave_0) entered disabled state 2018/05/11 20:20:31 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:31 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x2f, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:31 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00000000c0)={'lo\x00@\x00', 0x101}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000000)=0x0) migrate_pages(r1, 0x4, &(0x7f0000000040), &(0x7f0000000100)=0x9) r2 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000140)={{{@in=@multicast1, @in=@broadcast}}, {{@in=@dev}, 0x0, @in=@rand_addr}}, &(0x7f0000000240)=0xe8) accept4$packet(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000380)=0x14, 0x800) setsockopt$inet_mreqn(r2, 0x0, 0x27, &(0x7f0000683ff4)={@multicast2=0xe0000002, @loopback=0x7f000001, r3}, 0xc) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000080)={"6c6f0000fb552255ffffd9f5e2580a08"}) 2018/05/11 20:20:31 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000100)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0x40a85321, &(0x7f0000000200)) 2018/05/11 20:20:31 executing program 3: ioctl$sock_SIOCSIFBR(0xffffffffffffffff, 0x8941, &(0x7f0000000100)=@generic) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) mknod(&(0x7f0000000ffa)='./bus\x00', 0x1000, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000008ff8)=0x3f) fcntl$setown(r1, 0x8, r0) recvmsg(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)=""/231, 0xe7}, {&(0x7f0000000240)=""/154, 0x9a}, {&(0x7f0000000300)=""/193, 0xc1}, {&(0x7f0000000400)=""/197, 0xc5}], 0x4, &(0x7f0000000500)=""/157, 0x9d, 0x4}, 0x1) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x16) 2018/05/11 20:20:32 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x4, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 245.970551] device lo entered promiscuous mode 2018/05/11 20:20:32 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f000067efe4)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00005a0fff)='8', 0x1, 0x0, &(0x7f00007bcfe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f0000f0cffc), 0x4) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x5, 0x10}, 0xc) sendto$inet6(r0, &(0x7f00000000c0)="e5", 0x1, 0x0, 0x0, 0x0) write(r0, &(0x7f0000000040)="1d", 0x1) write(r0, &(0x7f0000000340)="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", 0x2b1) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") write$binfmt_elf64(r0, &(0x7f00000009c0)=ANY=[@ANYBLOB="7f454c460001000000000000000000000000000000000015720000000000000040000000000000000000000000000000000000000000380000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x78) 2018/05/11 20:20:32 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 246.011291] device lo left promiscuous mode 2018/05/11 20:20:32 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x34, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 246.045323] device lo entered promiscuous mode 2018/05/11 20:20:32 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:32 executing program 6: r0 = socket$packet(0x11, 0x800000000000003, 0x300) setsockopt$packet_int(r0, 0x107, 0x7, &(0x7f0000000280)=0x6, 0xfffffffffffffe32) sendto$inet6(r0, &(0x7f00000000c0), 0xfca0, 0x0, &(0x7f0000005fe4)={0xa, 0x6558, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$rds(r1, &(0x7f0000000340)={&(0x7f0000000040)={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, &(0x7f0000000300)=[{&(0x7f0000000080)=""/144, 0x90}, {&(0x7f0000000140)=""/40, 0x28}, {&(0x7f0000000180)=""/199, 0xc7}, {&(0x7f00000002c0)=""/64, 0x40}], 0x4, 0x0, 0x0, 0x800}, 0x4000000) 2018/05/11 20:20:32 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x2b, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:32 executing program 1: r0 = socket$inet(0x2, 0x3, 0x10000) connect$inet(r0, &(0x7f0000000080)={0x2}, 0x10) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f00000000c0)={@multicast1=0xe0000001, @dev={0xac, 0x14, 0x14, 0x1d}}, 0xc) 2018/05/11 20:20:32 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:32 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8994, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:32 executing program 6: syz_emit_ethernet(0x2a, &(0x7f0000000040)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c2b3ea676200aad12d4209b5d1790000080046ffffff7f00000000019078ac1c14bbac14090003809078ffffffff"], &(0x7f00000002c0)) 2018/05/11 20:20:32 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x3a, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_ifreq(r0, 0x893a, &(0x7f0000000080)={'ip6_vti0\x00', @ifru_ivalue=0x9}) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in={0x2, 0x4e20, @broadcast=0xffffffff}], 0x1) 2018/05/11 20:20:32 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:32 executing program 1: r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={0xffffffffffffffff, 0x0, 0x1, 0x8, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}, 0x20) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, &(0x7f0000000080)={0x0, 0x2, 0x1, 0x0, 0x11}) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x600902, 0x0) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-net\x00', 0x2, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r1, 0x84, 0x7, &(0x7f0000000180)={0x6}, 0x4) ioctl$TIOCGSID(r1, 0x5429, &(0x7f00000001c0)=0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000200)={0x1, r3}) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x7, 0x10010, r1, 0x0) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000240), &(0x7f0000000280)=0x14) fcntl$setlease(r2, 0x400, 0x2) ioctl$PIO_FONTX(r0, 0x4b6c, &(0x7f00000002c0)="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") syz_genetlink_get_family_id$ipvs(&(0x7f00000012c0)='IPVS\x00') ioctl$TIOCSWINSZ(r1, 0x5414, &(0x7f0000001300)={0x8, 0x9, 0x800, 0x1000}) ioctl$TIOCNOTTY(r0, 0x5422) ioctl$VT_ACTIVATE(r0, 0x5606, 0x984) r4 = openat(r0, &(0x7f0000001340)='./file0\x00', 0x200, 0x98) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000001380)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = syz_open_dev$mouse(&(0x7f00000013c0)='/dev/input/mouse#\x00', 0x3ad9fafb, 0x402000) ioctl$SG_GET_VERSION_NUM(r1, 0x2282, &(0x7f0000001400)) setsockopt$inet_mreqsrc(r4, 0x0, 0x27, &(0x7f0000001440)={@local={0xac, 0x14, 0x14, 0xaa}, @remote={0xac, 0x14, 0x14, 0xbb}, @dev={0xac, 0x14, 0x14, 0x15}}, 0xc) getsockopt$inet6_int(r0, 0x29, 0xff, &(0x7f0000001480), &(0x7f00000014c0)=0x4) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000001500)=0x7, &(0x7f0000001540)=0x4) ioctl$VHOST_VSOCK_SET_GUEST_CID(r1, 0x4008af60, &(0x7f0000001580)={@host=0x2}) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000001600)={'bcsf0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000001700)={&(0x7f00000015c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000016c0)={&(0x7f0000001640)=@ipv4_deladdr={0x60, 0x15, 0x600, 0x70bd2d, 0x25dfdbff, {0x2, 0xbf, 0x380, 0xfe, r7}, [@IFA_LABEL={0x14, 0x3, 'ip6gre0\x00'}, @IFA_BROADCAST={0x8, 0x4, @multicast1=0xe0000001}, @IFA_FLAGS={0x8, 0x8, 0x300}, @IFA_FLAGS={0x8, 0x8, 0x80}, @IFA_LOCAL={0x8, 0x2, @multicast1=0xe0000001}, @IFA_CACHEINFO={0x14, 0x6, {0x3, 0x4, 0xc2fa, 0x4}}]}, 0x60}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000880) ioctl$KVM_INTERRUPT(r0, 0x4004ae86, &(0x7f0000001740)=0x3) ioctl$SNDRV_TIMER_IOCTL_STATUS(r1, 0x80605414, &(0x7f0000001780)=""/97) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000001800)={0x0, 0x6}, &(0x7f0000001840)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000001880)={r8, 0x7fff}, 0x8) openat$vnet(0xffffffffffffff9c, &(0x7f00000018c0)='/dev/vhost-net\x00', 0x2, 0x0) 2018/05/11 20:20:33 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4800) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f00000000c0)={0x0, 0x5}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000180)={r1, @in={{0x2, 0x4e20}}, 0x8000, 0xd1b1, 0x3, 0x4, 0x9eb}, &(0x7f0000000240)=0x98) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='net/igmp6\x00') sendfile(r2, r2, &(0x7f0000000040)=0x800000, 0x408) 2018/05/11 20:20:33 executing program 5: r0 = socket(0xa, 0x1, 0x0) bind$vsock_dgram(r0, &(0x7f0000000180)={0x28, 0x0, 0xffffffff, @hyper}, 0x10) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") mmap(&(0x7f0000000000/0xfbf000)=nil, 0xfbf000, 0x1, 0x800000000000032, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f0000000040)='\x00', 0x1) setsockopt$kcm_KCM_RECV_DISABLE(r1, 0x119, 0x1, &(0x7f0000000140)=0x8, 0x4) ioctl$TCSETA(r1, 0x5406, &(0x7f0000000080)={0x8, 0x2, 0x0, 0x80000001, 0x6, 0x1, 0x7ff, 0x3, 0x1, 0x9}) r2 = socket$packet(0x11, 0x2, 0x300) ioctl$TIOCGSID(r1, 0x5429, &(0x7f00000000c0)=0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000100)={0x0, r3}) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={0x0, 0x8000}, &(0x7f0000000200)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000240)={r4}, 0x8) setsockopt$packet_int(r2, 0x107, 0x7, &(0x7f0000be9ffc), 0x4) 2018/05/11 20:20:33 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8992, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:33 executing program 1: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f00000002c0)="9970a6a0c4a2e715a4176d1b00572dc0ceb83977d4125411d68ff57cf21b98d2616943b83c92f068187872ac661fd1bd91976d5e106b2445e5a8a49a62c77c73c3bea200819bafffb6a5d83d21a1c3d35391448351de77910987b734f918c3411fdc43e2180c424399eab4a8e9af7306632047905edabbacca548d8c05ef75dc9de7c669ef0e340b548ae026ebd68fcdedeb92c0d1fd9b2c4a748f5525cead3643b527151cced2c14d65040bfd56aec7044f82064a6c4737cd46db83b7253b3245a266e9bbfa408057f0a0a79af380fbb32170a62f1afee511245ecb06460060fb58b72cdfba32c58c9a0a", 0x0) r2 = syz_open_dev$sndseq(&(0x7f0000032ff3)='/dev/snd/seq\x00', 0x0, 0x6) r3 = gettid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f000053b000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r4, 0x2000000005452, &(0x7f0000008ff8)=0x3f) fcntl$setown(r4, 0x8, r3) poll(&(0x7f0000000080), 0x0, 0x7ffc) dup3(r5, r0, 0xfffffffffffffffe) tkill(r3, 0x16) r6 = dup2(r2, r1) r7 = socket(0xa, 0x1, 0x0) ioctl(r7, 0x8912, &(0x7f0000000280)="0400024eca0200b612ec6f") r8 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r8, 0x6, 0xa, &(0x7f0000000000)=0x3f1f, 0x4) bind$inet6(r8, &(0x7f0000000040)={0xa, 0x8004e22}, 0x1c) sendto$inet6(r8, &(0x7f0000eb9fff), 0xffffff31, 0x20000003, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r6, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) write$sndseq(r1, &(0x7f0000042f70)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @addr}, {0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @raw32}, {0x0, 0x0, 0xfffffffffffffffe, 0x0, @tick, {}, {}, @addr}], 0x90) 2018/05/11 20:20:33 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x5, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:33 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_emit_ethernet(0x0, &(0x7f0000000140)=ANY=[], 0x0) pwrite64(r0, &(0x7f0000000000)="5a8f1447d6819a3df6b69fc1e3610beda708a294a2a24f60df3f99cbd2704ef590f75182437bc4e2f6d76ac3fbb40a27cc3c7c1e53b45a68c835e19555b3392a07d2782cc7e346ecdf7b67", 0x4b, 0x0) 2018/05/11 20:20:33 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:33 executing program 2: r0 = socket(0xa, 0x1, 0x0) write$binfmt_misc(r0, &(0x7f0000000000)={'syz0', "010399"}, 0x7) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") open(&(0x7f0000000040)='./file0\x00', 0x9c000, 0x8) lremovexattr(&(0x7f0000000080)='/.', &(0x7f0000000140)=@known='system.posix_acl_default\x00') 2018/05/11 20:20:33 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(0xffffffffffffffff, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:33 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x7, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:33 executing program 6: prctl$seccomp(0x16, 0x0, &(0x7f0000000180)={0x0, &(0x7f0000000140)}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x400000, 0x400000ff) socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCGARP(0xffffffffffffffff, 0x8954, &(0x7f0000000200)={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, {}, 0x20, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 'ifb0\x00'}) socket$vsock_stream(0x28, 0x1, 0x0) mknod$loop(&(0x7f0000000200)='./file0\x00', 0x4, 0x1) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000037c0)='/dev/qat_adf_ctl\x00', 0x100, 0x0) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000003800)=0x400000) perf_event_open(&(0x7f000000a000)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8000000200000000, 0x7f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000091dff8)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) [ 247.773826] QAT: Invalid ioctl [ 247.802071] QAT: Invalid ioctl 2018/05/11 20:20:35 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0xc008ae88, &(0x7f0000000240)={0x1, 0x0, [{0x1a0}]}) r3 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x7987, 0x40000) ioctl$LOOP_CHANGE_FD(r3, 0x4c06, r2) 2018/05/11 20:20:35 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x21, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:35 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x1) bind$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x1}, 0x1c) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x80000, 0x0) setsockopt$bt_BT_VOICE(r1, 0x112, 0xb, &(0x7f0000000140)=0x100000000, 0x2) connect$inet6(r0, &(0x7f0000000040)={0xa}, 0x1c) getsockname(r0, &(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, &(0x7f0000000100)=0x3a) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x91fd64c6d72236e2, &(0x7f0000000380), 0x0, &(0x7f00000003c0)}}, {{&(0x7f0000000000)=ANY=[], 0x1c, &(0x7f0000000680), 0x0, &(0x7f0000002000), 0x2ab}}], 0x400000000000144, 0x0) 2018/05/11 20:20:35 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, 0xffffffffffffffff, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:35 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="0400024eca0200b612ec6f") r1 = socket$inet(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) fstat(r1, &(0x7f00000002c0)) sendto$inet(r1, &(0x7f0000fd0000), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) fcntl$setown(r1, 0x8, 0x0) io_setup(0x20, &(0x7f0000000000)=0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/autofs\x00', 0x420001, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vga_arbiter\x00', 0x200000, 0x0) io_submit(r2, 0x1, &(0x7f00000001c0)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x2, r1, &(0x7f0000000040)="b7d93f03a47fe7e2d9d2973a676f3bf39921c1531eb8047384d25fdc6d90af0185e478c34ace52733685725ea3182464e3513e91657f38089a43413e43039b489620eef5fb1133794b5bf6b2154c3d677e9ab583de6fc0d63902853962c6b201a6853ef797d2c79a3f9fcff017e864e9e79a025d9ab039a7c5b7d943f5ff47bd6338e9deda6edee21d12dcda672f1b8415a30314ec9b585864214b3510bf6a010fa1b46501ac8564585bc8b11bf48e6c3d11a105e21f84b847e2d5bcc00d8dd5fc8a706bb202dd5ea879f4874b", 0xcd, 0x40, 0x0, 0x1, r3}]) recvmsg(r1, &(0x7f0000001780)={0x0, 0x0, &(0x7f00000002c0), 0x0, &(0x7f0000001740)=""/11, 0xb}, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000340)=0x0) ioctl$sock_SIOCSPGRP(r3, 0x8902, &(0x7f0000000380)=r4) sendto$inet(r1, &(0x7f0000000500)="ac", 0x1, 0x4c881, 0x0, 0x0) ioctl$TIOCPKT(r3, 0x5420, &(0x7f0000000200)=0xfff) 2018/05/11 20:20:35 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000001c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'salsa20-generic\x00'}, 0xfffffffffffffcfb) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x80000, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000040)={0x79, 0x0, [0x5, 0x8000, 0x8f2, 0x80000001]}) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0311cfc093a52a7d86bd1", 0x10) ioctl$DRM_IOCTL_GET_MAP(r1, 0xc0286404, &(0x7f0000000100)={&(0x7f0000fff000/0x1000)=nil, 0x3, 0x3, 0x4, &(0x7f0000e00000/0x200000)=nil, 0x5}) write$binfmt_elf32(r0, &(0x7f0000000240)={{0x7f, 0x45, 0x4c, 0x46, 0x401, 0x6, 0x995, 0x2, 0x20, 0x3, 0x3f, 0x2, 0xa9, 0x38, 0x1bc, 0x100000001, 0x3, 0x20, 0x1, 0x6, 0x1ff, 0x80}, [{0x70000007, 0x2, 0x7fff, 0x81, 0x2, 0x1, 0xffffffff, 0x100000000000}, {0x5, 0x81, 0x4c43e472, 0x1000, 0x1, 0x80000, 0x7fffffff, 0x2}], "637d091c630f1db9a8077934b81bdb88334b26681546a04865fc0db4216d2243a68a470c7c142b39828ab21db3dba72c39f170037bb4f34bbbd93180e0b2e3a37c0be05dd2012e8daec9640e13cc1f7f8e6aa3e907037c701e158780fdd2ac9c66592a7bb2c5faef595be518f6cde4e84ed445f1164a8a424cda475d8c49bd7c3d75364d355241ec0cd527b09588c44eedbb0254d111ab10e7bf75773478f6da29fa4e99c42aaaac199cc0ad8fd766a1c4e6ffd886c73b0a91ed97fbc1a8b5", [[], [], [], [], [], [], [], []]}, 0x937) r2 = accept4$alg(r0, 0x0, 0x0, 0x800) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)=0x5c88) sendmsg$alg(r2, &(0x7f00007f3fe4)={0x0, 0x0, &(0x7f0000cf9ff0)=[{&(0x7f0000f83f6f)="942ec45e6ab817a04d5b929c635d113dcace175c8f114827e46562a28163bbba19bf24959eddebac130bce3c95a25d7637ab5abef59658c0966300da90a941e8a7", 0x41}], 0x1}, 0x0) recvmmsg(r2, &(0x7f0000b45f40)=[{{&(0x7f000026a000)=@ethernet={0x0, @dev}, 0x10, &(0x7f00009defd0)=[{&(0x7f00007f4feb)=""/21, 0x15}, {&(0x7f00007f8f87)=""/121, 0x79}], 0x2, &(0x7f0000f35000)}}], 0x1, 0x0, 0x0) 2018/05/11 20:20:35 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0xc020660b, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:35 executing program 3: r0 = socket$netlink(0xa, 0x5, 0x20000000ffffffc) write$binfmt_misc(r0, &(0x7f00000001c0)={'syz1', "b3a48d15b9648e5b2e34eca21ad7c2bb30c53d234e8f250255bd2e5d4b826db4817c6afd74c48ee1ee2fa0298fbc82010862e01e15758a454c33b4286c97390dc958d65fe9120e9ef1045bb3"}, 0x50) splice(r0, &(0x7f0000000540), r0, &(0x7f0000000580), 0x6, 0x5) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000000)=0x2) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x84, 0x6b, &(0x7f0000000040), 0x6227bfb0004c0920) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000380)='/dev/urandom\x00', 0x800, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000240)={{{@in=@multicast1, @in=@multicast1}}, {{@in=@remote}, 0x0, @in=@loopback}}, &(0x7f0000000340)=0xe8) getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f0000000080), &(0x7f00000000c0)=0x1) getsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f0000000140)={@ipv4}, &(0x7f0000000180)=0x14) setsockopt$netlink_NETLINK_PKTINFO(r0, 0x10e, 0x3, &(0x7f00000004c0)=0x100, 0x4) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045542, &(0x7f0000000100)=0x2) shutdown(r1, 0x0) setsockopt$inet_tcp_buf(r1, 0x6, 0xd, &(0x7f00000003c0)="5a3531b1ebb7fc43f6440a2acd313655371c17d83c66d582febeec4b1437d6d9a10216de1bd5cf2c901fa5c86cbc9ca10f2c34d73627632746d0ddf8ccb16f4492c14d6c92109bbd334e19bd4b5417f1858c0dff8eaa2a2d026c2fc5cffcf86b9201fc41cb18d8a3c998af0df77955f4906060041f4825d51da8176206dfe13369e1aba618044f20fc26997178b83ec239b9d962a881afe7f0d06e097eeac8e1c72e67878db605b050d8dea38a906595945da3734d02a823565b10bd6a3cbf62b3e845d2e8cd", 0xc6) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000500)) 2018/05/11 20:20:35 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000740)="c6295e4eca6c09b612ec6f") socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000575ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r1, 0x1, 0x7, &(0x7f0000028ffc), 0x4) r3 = dup(r2) sendto(r1, &(0x7f0000001fff)="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", 0x8c1, 0x0, 0x0, 0x0) r4 = gettid() sendmmsg(r1, &(0x7f0000e9f000)=[{{0x0, 0x0, &(0x7f0000ce5ff0)=[{&(0x7f0000f3afae)="86", 0x1}], 0x1, &(0x7f0000a11000)}}], 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f000000d000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup3(r3, r5, 0x0) close(r2) close(r1) socketpair$unix(0x1, 0xfffffffffffffffa, 0x0, &(0x7f0000000080)) splice(r7, &(0x7f0000000040), r6, &(0x7f00000000c0), 0xffffffffffffffff, 0x2) ioctl$int_in(r5, 0x5452, &(0x7f0000008ff8)=0x3f) fcntl$setown(r5, 0x8, r4) syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x7, 0x480000) fcntl$setsig(r5, 0xa, 0x12) tkill(r4, 0x16) 2018/05/11 20:20:35 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x32, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:35 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(0xffffffffffffffff, r3, 0x0, 0xff) 2018/05/11 20:20:36 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680), 0x0, &(0x7f0000000080)=[{0x18, 0x29, 0x4, "89"}], 0x18}}], 0x1, 0x0) 2018/05/11 20:20:36 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x11, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:36 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, 0xffffffffffffffff, 0x0, 0xff) 2018/05/11 20:20:36 executing program 1: r0 = accept4(0xffffffffffffff9c, &(0x7f0000001040)=@nfc_llcp, &(0x7f00000010c0)=0x80, 0x1fe6c802327aa1a1) bind$ipx(r0, &(0x7f0000001100)={0x4, 0x800, 0x9, "69d506fe3f82", 0x8}, 0x10) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmmsg(r1, &(0x7f0000000f80)=[{{&(0x7f0000000000)=@ethernet={0x1, @link_local={0x1, 0x80, 0xc2}}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000080)="fd6355b7c0c0c5913ecf0234db93dbb1f83dcf92dd6a3c0e171fe5fa5a7f32508275d484e1d31d793e255385cd4f258765a8befac13d4440125df13b20c3f4750dd308efcf785400b96a61dedb7bc38a25f87edb7a62d1930af9fbd31cd655e61c07614eb47c8f07570effb1e5f0a487d6510559bdc6d8fe80c165c518d5a17860e29743cb909822425f6dd0b1ad5641c6a096811284a5bbcc3e64fdfbdf2c6ed13c68d958f2c0a0480ccd73136d11284ccb", 0xb2}], 0x1, &(0x7f0000000180)=[{0x50, 0x111, 0x6, "3134737955719c0d0f9a2348b2d8575579fd7e96b1d412b09dca1b1d2f1536ea42ac252b81730c8712faede75ab7de1df9e39407aa46a9470434"}], 0x50, 0x5497a3cd7a997e43}, 0x6}, {{&(0x7f0000000200)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2, 0x4, 0x3}}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000280)="04ca01d3efb64ca08f973d0ae115ef7e2030a6275c16fea3f45f9a312f18baf27bad8a323fd0747d2904de5d16738adb9d57199c0495675e8b40566eb5cd77258f1883ad95534877eb4393fefce7cb6f3bb901a7754c04e3e1", 0x59}, {&(0x7f0000000300)="76b05c252a3725cfd1800dfedf47333aa1bb8a4d1a2a77a7fe5a3489ba29f6beccdcc79b1cb0f72e5ec06dd78cc1f488303be3ea9a31120099b6d3a2514f2c791cbffee7087810f7307baccf52b1000c03ad18d7ad", 0x55}, {&(0x7f0000000380)="2630a4540d64be3ac24d49131cfc670af132c8736d826ab119c615e9a3aa93ee8a5a4fa8b7805bc7a61f1b9d762fdb34e4e6622546fd2a128a24e682a6f17a24a33fd0cd72862c74f40b349680443e9875ca649aec8cfc1cdf2d6b66f590e4d18084838f11d12db9102349df3ad263e9f96ce7b77c7d14e538ede42c7c0faa3c6d4fc47e9f77b10497b90e0fb1596e7bc156ab1bb44c59e5bf89be3742", 0x9d}, {&(0x7f0000000440)="70eba127d4799cfcb992b985628f896afdf746e887a9f61f027049ebbd302d19079d23d23a7860be23aefd2be183ccf6a5d97991652e858d45cc13b2f8cffc6b6574be66187cd73da7e42db71135eff3efd8d8973695081668021a951fe17f4b43a18f53bd0c3c2363ae634573b86e2f7c21cbec71937261ba19eebc1b5084d5c0fcb1d3117f3af67e1e2bef61b5b19e2f4eaf359ca862f32d195dd055cfaba3548a55836f34e12073c5", 0xaa}, {&(0x7f0000000500)="3cfba47010d57751806a3da149a30a421ed92c696a1ae8d6ebace77ae377960b895fd924ec7cc72dcb94462bb9a9defd103a869cfed54a9442df63479fc1923472867bf67906a5096d952e19bca40fa1fbac06951c5a83c07a018d6bcc14510f20904616ab44da57747508333ac473ce75e0afba1024535ce62b9e56", 0x7c}, {&(0x7f0000000580)="a062a6b0acdaa439ddf446b7a2649d81c571b5bd20231042dd0ef9c4b9c5e4b382e02a1e5e15ee130911ae90681ad1a5e11483", 0x33}], 0x6, &(0x7f0000000640)=[{0x88, 0x11f, 0x2, "ba4919a51b14219d529d53705d046aee928ee3e5d67a7c00752bbc681f86f6b65837017b041ebd1faa9e412f7fae5a0fd9fbe6c39ec90483d7eef88f6c4ad95cb85d47bb9a85050252c2e6e22d76727b54ea654296407acc5fe429776497ed1e5e1a40375b9ce35c446e169993aa8c7fae33f3c8ae47cb"}, {0x50, 0x117, 0x7f, "15ba80e43770db400976d2c4a715db63019f99b8d6727cf3c1a30ec7d8a62140eb9e0be6be1dac07fda94bf980b805b07518962fc76a6845a2c2445e0d530947"}, {0xa0, 0x10a, 0xec, "a717ccdeb55ae847f3fd5c94be68a7fb5690d4220f2b9ce566edf8c3451d9f856e71b92376c8cf00903add8a4b8d21ac8a2a43a30deb6ea03a7fd5cf92397925b6ca70a7e76320433ee65b15b25b771f5b304b715f8588be4f0be22efab901353339ef8554a266f0c384d69c81dbe814ac666b44c8eed69b77603b19df04609187dff83d37a88b5c2ad8c20e8fe5"}, {0xf8, 0x118, 0x3, "64622cec5fd246e3915254096ee3f001330d6ff4dc7f6495b7bf9aed3560d222165e7c6818473f1d2730aa1a4b1ee36a45d668a7a4bc607d3b3540e41080d31175110a57dcb9950b461809f77f4eaa55b9f4bcaaca9481e120e1040918dfd461945d5d93feae715c6c225b1e8e8fe4426efe114fea3dacdf4521db8a535aacd4efedfc6af1c3d8254b0bf88b8128a547f6682668fa50b1eab3d77d914a698c7413dbe7ae53937ec7e520599f2453c7fb93f39766016ee8f3adc518702053c2075921332d12b816f8f8e4cce608928395cb9c5e04a6e8c09eb5b714630de4699179"}, {0x100, 0x107, 0x4, "edb672e36de99cfd559095713f44ff994257ddc3a07dc72a6062ff424efa7f4e7417a7f05be062a2181b3a65698809ac406f5ef51ff12c1a921daee34412cf73e91c2371eb1ae2545610d6ac68008c627893da7eef4ad8bb698a9e8ef3aeb194ce75c26a51f0dd693c0631f9a234376812c08505f29c500019e12d158cac60b33d0ca783a860cd43dfeebc4336319ecf5fa44a6527a56eec8ff4b37ea3ed36b7ed54f9468cc65f785db266e7ec24b119cc6cc7b02db586d36ff7f9fce333908341bf8223a4db4650f4f555c326f37462e768ec7b789ffe71cb40f2779ac592f7267b3c09fb567dc8ec7b"}, {0x98, 0x19f, 0x2b, "450c267137d9d5b36a21b4d7607ef3264838b83964f7d824121eedbe6c8f8f0aba2709b4a681a577200287d9dddcbbd91e9d7e45f0aefaa0663f66c2919dd21d7099a2778e00e3d54fb9a4c7c99b6e05c290ab7d133cd7f2bee84c56fc345b71683348f8ca9a211e36a8c70de74a4ed42e1eaf94e556e75626cc7edc3d3b82e9c34cf63da54b03c1"}], 0x408}, 0x5}, {{&(0x7f0000000a80)=@alg={0x26, 'hash\x00', 0x0, 0x0, 'sha256_mb\x00'}, 0x80, &(0x7f0000000d00)=[{&(0x7f0000000b00)="2fbee225c8e58b1e0ce373e04beaee42", 0x10}, {&(0x7f0000000b40)="3b8f4c13a8f071efb4e3d14737c1656f57971d3c32f3bdad00f61c316876c280a4e9605067f0d91adde83da86316201781026e45fe6552c1e6811202f2cbab5a7a89eee8ae77203799764fe651d2502bf7f7c16e8cc4a0ab1e47143a179a7a25d123218f71fcae3b1d8ab8bba1654ac74609632bf4fdbb0c6991575db8bfd4b705b653c0da7882b8803f79d5fa43ad", 0x8f}, {&(0x7f0000000c00)="36b4eb95f3b4d2036a644e8331906b029e6b69795d70d228ad0684736a754e488fd82ece371b93b851956ac9aebb5fa8854aab8dc9ccb0ac32e23a2178e5beb470", 0x41}, {&(0x7f0000000c80)="494a9122299efe09fdfdd7b2072e21f55976e8534b55a37e14aaf9e1ab3f7b234a2e62baf7a39a83b137811bd8c5791ef562cb75e30043c37dc8c0fdd9144bb59e477e649d66779fbdfa2cb75f35015a4263ec60e2375f2ff2ed7bb41df5ea7931940666c73e9c7bb50a9ac977", 0x6d}], 0x4, &(0x7f0000000d40)=[{0x88, 0x0, 0x4, "a63c30d2ffe9767edc62f6c325d02d3d3b4b19ddf156701e21f2ab8dd0d061e0a7de4ba7da58f690876bf8926fad0ef97a2489eea28c59572049c1e100ddf43fc6a43a4d5604271f01ccf01d7e13379f51374da827bfffa167f406035bbc595a82b1998c2497bfb62d01a37df999e5df5a"}, {0x108, 0x10e, 0x7, "80544bf2b68c43eec0da4d67f1da3a9883f3b961d963e09998e8468d4dcf2922692fa16f8eac039d641718cabfbec776e781f6c2e4a362eaf9b3867208179250f1f26574b7d65ba4f669682ec1ae7966cafebddccbdee59cfe69c5e7fb950473769d14324bce871420f8363c733ddc2c26395720dcaa33b4a78d16ae216af7a87ada8c61d4b08be4c87cef3f33d06c409e1d693e6e3fb4b4cb6c624cfc1f6e4d51aba6f61765ffa1ba70740f92a212dea0ab83ec01ca566a5ef0913ba85e816185d67bad5671109b3b0af010d158bd720ba76312e0e60a72feb4d645ecd69621048993cdf98872a163449fe92d8b66079f254b6ff7"}, {0x40, 0x0, 0x4, "b2dc3dc008b1558745a4ee1ba0664be355dd01eae5a3506e4b17a5c690a127cb52bc5004333336d4a78d6bda1efa79e2"}, {0x60, 0x19f, 0x7, "0f2ffc46580ed83942425ea1d74faee3aa44fbdf818516049eeeb2da4f7746177731a017ed56ca5ab3d9b75444e095959f3b133c49cc5fc628275731ccb3c47f728efa9ff1552c9652"}], 0x230, 0x20000001}, 0x200000}], 0x3, 0x40) sendmsg$nl_xfrm(r1, &(0x7f0000646000)={&(0x7f000059cff4)={0x10}, 0xc, &(0x7f0000f9bff0)={&(0x7f0000efe000)=@updpolicy={0xc4, 0x19, 0x401, 0x0, 0x0, {{@in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@dev={0xac, 0x14}, 0x0, 0x0, 0x0, 0x0, 0xa}}, [@sec_ctx={0xc, 0x8, {0x8, 0x8, 0x0, 0x0, 0xff87}}]}, 0xc4}, 0x1}, 0x0) 2018/05/11 20:20:36 executing program 2: r0 = socket(0xa, 0x2000000001, 0x0) ioctl$DRM_IOCTL_MODE_GETCRTC(0xffffffffffffffff, 0xc06864a1, &(0x7f0000fedf98)={&(0x7f000000d000)=[0x7, 0x6], 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "8cfbc89fefc282b0e9b6d1b29d5500b5ff74b06ccbd9dee8c886586975b5446e"}}) getsockopt(r0, 0x0, 0x53, &(0x7f000000d000)=""/8, &(0x7f0000735ffc)=0x8) fstatfs(r0, &(0x7f0000000000)=""/160) 2018/05/11 20:20:36 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:36 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000080)={{{@in6=@remote, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@local}}, &(0x7f0000000000)=0xe8) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000180)={r1, 0x1, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) r2 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x5) write$evdev(r2, &(0x7f0000b5df88)=[{{0x77359400}}, {{0x77359400}}], 0x30) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x100000000000000, 0x22011, 0xffffffffffffffff, 0x0) ioctl$SG_GET_PACK_ID(r2, 0x227c, &(0x7f00000001c0)) 2018/05/11 20:20:36 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000240)='/dev/dsp\x00', 0x280000, 0x0) ioctl$TIOCLINUX6(r0, 0x541c, &(0x7f0000000280)={0x6, 0x8}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000040)={0x26, 'aead\x00', 0x0, 0x0, 'ccm(aes-aesni)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820faeb995298992ea54c7beef9f5d56534c90c2", 0x18) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/sys/net/ipv4/vs/lblc_expiration\x00', 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f0000000200)={r1}) r3 = accept$alg(r1, 0x0, 0x0) socket$alg(0x26, 0x5, 0x0) sendmmsg$alg(r3, &(0x7f00000043c0)=[{0x0, 0x0, &(0x7f0000000b40), 0x0, &(0x7f0000000000)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) r4 = getpgid(0x0) fcntl$setownex(r0, 0xf, &(0x7f00000003c0)={0x0, r4}) recvmmsg(r3, &(0x7f00000002c0)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000800), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000340)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f0000003200), 0x0, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) ioctl$EVIOCGKEYCODE(r0, 0x80084504, &(0x7f0000000540)=""/118) recvmsg(r2, &(0x7f0000000cc0)={&(0x7f00000005c0)=@sco, 0x80, &(0x7f0000000b40)=[{&(0x7f0000000640)=""/138, 0x8a}, {&(0x7f0000000700)=""/188, 0xbc}, {&(0x7f00000007c0)=""/188, 0xbc}, {&(0x7f0000000880)=""/234, 0xea}, {&(0x7f0000000980)=""/232, 0xe8}, {&(0x7f0000000a80)=""/143, 0x8f}, {&(0x7f0000000400)=""/10, 0xa}], 0x7, &(0x7f0000000bc0)=""/221, 0xdd, 0x4}, 0x2) 2018/05/11 20:20:36 executing program 5: r0 = syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0xfffffffffffffffc, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r0, 0xc10c5541, &(0x7f0000000080)={0x0, 0x0, 0x4}) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) ioctl$KVM_REINJECT_CONTROL(r1, 0xae71, &(0x7f00000001c0)={0x401}) 2018/05/11 20:20:36 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) 2018/05/11 20:20:36 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x2c, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:36 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000acf000)='ns/mnt\x00') ioctl$VT_RELDISP(r0, 0xb701) 2018/05/11 20:20:36 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='loginuid\x00') sendfile(r1, r1, 0x0, 0x364) 2018/05/11 20:20:36 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) 2018/05/11 20:20:36 executing program 6: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x0, 0x0) ioctl$int_out(r0, 0x5462, &(0x7f0000000040)) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) utimensat(r0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000180)={{r3, r4/1000+30000}, {0x0, 0x2710}}, 0x100) fstat(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$nl_generic(r0, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000280)={0x194, 0x17, 0x800, 0x70bd29, 0x25dfdbfe, {0x1f}, [@nested={0x1c, 0x2a, [@typed={0x8, 0x43, @pid=r1}, @typed={0x8, 0x55, @uid=r5}, @typed={0x8, 0x58, @pid=r1}]}, @generic="eec49a0bb418c8a5cd6bd681e8f688b369b8c3826c997b7c832aa49c9032c6c52432ca0d846e2f24292449c10c1593d9af85f2404bb4eef2436cbbf1b7a5e1167642a147e367e1e1fc33e58bca3b1855da41553beaaa793db8defd99f0f038432d0428f52386aaac677081b0b5c5a9a71b4da2a36377f509923dbdcf7a37b711e712dc036d572ec66d1f17ff1ca51c6407802cb34e862cc28d9f2df698781ebc4db1fe707c18ef5162c7bdb0fd2b8279adfaef732700d0053a12909ac15ab4f24984983a22b1c0733b00bc18809569440b2134aa", @generic="e51ec61b94e155061802b4906c26d26dbfe356a450cbdcf76730cd0a6dc6e4b190add105e78eff051a3d9b0399c3f92b2395ab726bbc819eb7f3727de2ee89d589b35a40d20b59623bb647166bfb6020c77760eddd262059d8", @generic="94705d2ca4", @nested={0x24, 0x30, [@typed={0x8, 0x11, @u32=0x9}, @generic="e266513e0ade60bc7165af17731298b8501e482f37a0"]}, @typed={0xc, 0x4e, @u64=0x2}]}, 0x194}, 0x1, 0x0, 0x0, 0x20000000}, 0x800) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f00000004c0)={'bpq0\x00', {0x2, 0x4e20, @loopback=0x7f000001}}) getsockname$inet(r0, &(0x7f0000000500)={0x0, 0x0, @multicast2}, &(0x7f0000000540)=0x10) r6 = socket$rds(0x15, 0x5, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000580)={{{@in=@dev, @in6=@mcast1}}, {{@in6=@remote}, 0x0, @in6=@ipv4={[], [], @multicast2}}}, &(0x7f0000000680)=0xe8) r7 = syz_open_dev$midi(&(0x7f00000006c0)='/dev/midi#\x00', 0xfff, 0x6000) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000000700)='/dev/full\x00', 0x80000, 0x0) sendto$inet(r8, &(0x7f0000000740)="57ca23a47f1cb167242c7998e9ae5dc97e3fa5bda391849e26d5b3a962e8f71515b9194f6619", 0x26, 0x4800, 0x0, 0x0) getpeername$inet(r0, &(0x7f0000000780)={0x0, 0x0, @local}, &(0x7f00000007c0)=0x10) fchdir(r7) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r7, 0x84, 0x1e, &(0x7f0000000800), &(0x7f0000000840)=0x4) setsockopt$inet6_MCAST_LEAVE_GROUP(r6, 0x29, 0x2d, &(0x7f0000000880)={0x7f, {{0xa, 0x4e24, 0x780, @dev={0xfe, 0x80, [], 0xa}, 0x2}}}, 0x88) r9 = socket$inet_dccp(0x2, 0x6, 0x0) ioctl$DRM_IOCTL_INFO_BUFS(r0, 0xc0106418, &(0x7f0000000940)={0x2, 0x1, 0x656, 0x8000, 0x2, 0x8}) ioctl$EVIOCGKEYCODE_V2(r8, 0x80284504, &(0x7f0000000980)=""/150) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r2, 0x4008af23, &(0x7f0000000a40)={0x2, 0x5}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000a80)='/dev/ptmx\x00', 0x30080, 0x0) ioctl$VHOST_SET_VRING_BASE(r0, 0x4008af12, &(0x7f0000000ac0)={0x3, 0x400}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000b00)='/dev/ptmx\x00', 0x141041, 0x0) connect$ipx(r0, &(0x7f0000000b40)={0x4, 0x1ff, 0x401, "ab3cfdf674d7", 0x1}, 0x10) getsockopt$inet_IP_XFRM_POLICY(r9, 0x0, 0x11, &(0x7f0000000b80)={{{@in=@multicast2, @in=@broadcast}}, {{@in=@broadcast}, 0x0, @in6=@ipv4={[], [], @multicast2}}}, &(0x7f0000000c80)=0xe8) readv(r0, &(0x7f0000002440)=[{&(0x7f0000000cc0)=""/150, 0x96}, {&(0x7f0000000d80)=""/148, 0x94}, {&(0x7f0000000e40)=""/198, 0xc6}, {&(0x7f0000000f40)=""/4096, 0x1000}, {&(0x7f0000001f40)=""/154, 0x9a}, {&(0x7f0000002000)=""/171, 0xab}, {&(0x7f00000020c0)=""/168, 0xa8}, {&(0x7f0000002180)=""/131, 0x83}, {&(0x7f0000002240)=""/236, 0xec}, {&(0x7f0000002340)=""/195, 0xc3}], 0xa) write$evdev(r8, &(0x7f0000002500)=[{{0x77359400}, 0x755c, 0xfffffffffffffffa, 0x1d673ab8}], 0x18) 2018/05/11 20:20:37 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x3, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:37 executing program 5: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x800) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r0, 0x80dc5521, &(0x7f0000000040)=""/28) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000080)={0x0, 0x92, "be6aa1219a40767b7f9d68dd4d23ffa65bb0ba14b24d8567dd35663d78e952a495aef2f258b42eed62cd492c26b0238ebae2259601a33c5ff301f2a25b4be910c47775bc74a38757f945d5ebdb8e0c991912a9596cf1e6cb90759f4552fcfcc6ffacdcf0c00c7408c64c5a2e386f02c8e4c49dbafdd7b521b8efe46121377e0d2c7b1f4ac143eab0bc7340f12d5c938ef94b"}, &(0x7f0000000140)=0x9a) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000180)={r1, 0x200}, &(0x7f00000001c0)=0x8) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000200)='/dev/audio\x00', 0x321002, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000240)={{0x800, 0x100000000}, 'port0\x00', 0x41, 0x10, 0x0, 0x8000, 0xa2, 0x100000000, 0x1, 0x0, 0x1, 0xffffffffffff151c}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000300)=@assoc_value={r2, 0x9}, &(0x7f0000000340)=0x8) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000380)={0x1f, 0x5, 0x3f, 0x95, 0x8}, 0x14) setsockopt$inet_tcp_TLS_RX(r0, 0x6, 0x2, &(0x7f00000003c0)={0x303, 0x33}, 0x4) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x1, @random="c84924dfe493", 'bcsf0\x00'}}, 0x1e) ioctl$sock_ipx_SIOCAIPXITFCRT(r0, 0x89e0, &(0x7f0000000440)=0xfffffffffffff3ef) sendmsg$inet_sctp(r0, &(0x7f0000000ac0)={&(0x7f0000000480)=@in6={0xa, 0x4e20, 0x4790000000000000}, 0x1c, &(0x7f0000000900)=[{&(0x7f00000004c0)="d6719627c7cac78f348c55d7811c5a7d367e50b2c98fcb6838adf9364fd5e32cbbbea116447d6de17a322c984cb66350c42cd6908a3317e0c2791b5f5c47f5aaccb1a481cc15e7e8738bfd2d18aa14393c3dbcd91654e1ce6618083da37bc240c679bce14a895d20b25b2c7cd6965d91cce65d2be29777980b39829e", 0x7c}, {&(0x7f0000000540)="ca2204f5c57c64d21ffe2889d07d230d74ee473fed9a0aba6ceed1c473da38f36ffdb499c8cf896e2456fc906199d91be75d4d44d8312c4ac1e395bc78d063c5af19159cfa084323a07d565aae89f9fe89674d585cf059ec19553254eb59d9478e907f6deeaf7d16363f09a6cb3189811d44e53924b4ad17faee732bc1a52baf88560bc2fcba60466e4ecbab580afdfa0e30223222513b79184cf712c2bc14fa05ad22cc2d43a42243fa569b7b4362758506ba75a0c6ad4521a9406e331f3ba8014c6089a44c4dfed79e37bcbef04a", 0xcf}, {&(0x7f0000000640)="0243e6c44edb3807ceb403019c736aa710ff3cea98cad76056d72d65636cdbebc408ab3e599c486013416b4a10def8cddb9ff9627c76a3da6248c7acc28f362c5eb1fd41dd92a0a945a12b25c9cc625a584e3b3d4baff5383722c876d852ed789cdf4e87c6e4eca5420d4219c1a429fbc1e55176db2100080daa30707689d9b9bd1f1c8998af4b71005486e4f7d33d99afb727b58785e11c1ae10db558019bf0976cb7fa9c2b1edf0b2561962dae7584e49c91f30f7caa058bfa057b51c5bbecc9e0be5644039f5f739183b5fb81ff4913726cbcf3", 0xd5}, {&(0x7f0000000740)="2683ce94cd8ed6dc432a8c075fc2c6f538e70e814297b09282a3b73ec6ea3bed4284491c6b5176ed2006df79c7517a254e0359d9dc6cdb7bb4ac73da0d8b18a2c83c5b09db82b8cde8de8f50eeb328953f9904d163b5384f07a683a9c282d70929db466e0397c6424891087589ecb08d849ddc6326090a85e0f910567f0df37a881cd09e593d73e09c97950b15549f", 0x8f}, {&(0x7f0000000800)="9f502b061a54152d3e159b30d14f420c589e3abfef5701bbc8a7427d5972999813462cce794554fcbdb3e499ed6bcf499a8925030705472be0efa4c2bf42f1d0eedf55e7ed4c7198a5313586840b4f75db9c86fb6f4896d3d12975c21f5a3e8d9a4772d5de1774d50165dac69a67a31db6ce400daef90a66966bcf5d16e0f9e459d8baeea6d5656dc2977bb7ddd9fd34418ddab3cb19cdd667dddbf2730235dcb6af0ac19601ff442cc9db332898e9741aafb2e4d967e9acd7df962b490531efbf4e1ec6", 0xc4}], 0x5, &(0x7f0000000980)=[@sndrcv={0x30, 0x84, 0x1, {0x4, 0x0, 0x200, 0x8, 0x3, 0x81, 0x8001, 0xffffffff, r1}}, @dstaddrv4={0x18, 0x84, 0x7, @rand_addr=0x3ff}, @authinfo={0x18, 0x84, 0x6, {0x1f}}, @sndrcv={0x30, 0x84, 0x1, {0x92, 0x4, 0x202, 0xffff, 0x7, 0x7, 0x9, 0x5, r2}}, @init={0x18, 0x84, 0x0, {0xfff, 0xfffffffffffffffb, 0x1, 0x9}}, @sndrcv={0x30, 0x84, 0x1, {0x5, 0x400, 0x8001, 0x5, 0x5, 0x7, 0x915a, 0x4ceb, r4}}, @prinfo={0x18, 0x84, 0x5, {0x30, 0x8}}, @dstaddrv6={0x20, 0x84, 0x8, @remote={0xfe, 0x80, [], 0xbb}}, @init={0x18, 0x84, 0x0, {0x3ef, 0x6, 0x0, 0x6}}], 0x128, 0x48000}, 0x4000) r5 = syz_open_dev$amidi(&(0x7f0000000b00)='/dev/amidi#\x00', 0x1, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000b80)={r5, 0x28, &(0x7f0000000b40)={0x0, 0x0}}, 0x10) r7 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000bc0)={r6, 0x9edf, 0x10}, 0xc) ioctl$KDSKBLED(r0, 0x4b65, 0x101) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000c00)='/dev/sequencer\x00', 0x414002, 0x0) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000000c40)={r1, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x11}}}}, 0x84) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000d00)={r6, 0x2, 0x8}, 0xc) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r5, 0x80045400, &(0x7f0000000d40)) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r5, 0x40045542, &(0x7f0000000d80)=0xaaa) socket$l2tp(0x18, 0x1, 0x1) r8 = syz_open_dev$mouse(&(0x7f0000000dc0)='/dev/input/mouse#\x00', 0x9, 0x240002) syz_open_dev$sndctrl(&(0x7f0000000e00)='/dev/snd/controlC#\x00', 0x9, 0x400) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000e40), &(0x7f0000000e80)=0x4) getsockopt$inet6_mtu(r5, 0x29, 0x17, &(0x7f0000000ec0), &(0x7f0000000f00)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r5, 0xc08c5335, &(0x7f0000000f40)={0x3, 0x7, 0xffffffff, 'queue0\x00', 0x7}) get_mempolicy(&(0x7f0000001000), &(0x7f0000001040), 0x100000001, &(0x7f0000ffd000/0x1000)=nil, 0x2) ioctl$VT_ACTIVATE(r8, 0x5606, 0x1) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000001080)=[@in={0x2, 0x4e20, @broadcast=0xffffffff}, @in6={0xa, 0x4e21, 0x7, @remote={0xfe, 0x80, [], 0xbb}, 0x2}, @in={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x4e23, 0x8, @empty, 0x7fffffff}, @in6={0xa, 0x4e20, 0x4, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0xfffffffffffffffa}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}], 0x94) 2018/05/11 20:20:37 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) 2018/05/11 20:20:37 executing program 1: set_mempolicy(0x8003, &(0x7f0000000040)=0x7f, 0x3f) clone(0x0, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180)) r0 = dup2(0xffffffffffffff9c, 0xffffffffffffff9c) getsockopt$ax25_buf(r0, 0x101, 0x19, &(0x7f0000000000), &(0x7f0000000080)) 2018/05/11 20:20:37 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x10000, 0x0) ioctl$IOC_PR_PREEMPT(r3, 0x401870cb, &(0x7f0000000080)={0x3, 0xfff, 0x78, 0x200}) setsockopt$inet6_dccp_int(r3, 0x21, 0x11, &(0x7f00000000c0)=0x7, 0x4) ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f0000000000)=0x2) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x3855}) ioctl$SG_GET_TIMEOUT(r1, 0x2202, 0x0) 2018/05/11 20:20:37 executing program 6: r0 = socket$inet_smc(0x2b, 0x1, 0x0) listen(r0, 0x0) io_setup(0xe, &(0x7f0000000000)=0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='tunl0\x00', 0x10) ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000040)={'bridge_slave_1\x00'}) io_submit(r1, 0x1, &(0x7f0000002380)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000040)}]) 2018/05/11 20:20:37 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300000000000000fff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:37 executing program 2: syz_emit_ethernet(0x82, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "c9faca", 0x4c, 0x0, 0x0, @empty, @remote={0xfe, 0x80, [], 0xbb}, {[@fragment={0x0, 0x0, 0xffffffff00000001, 0x7, 0x0, 0x0, 0x8}], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558}}}}}}}, 0x0) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x40, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r0, 0xc008ae09, &(0x7f0000000240)=""/4096) socketpair(0x7, 0x5, 0x628195eb, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) 2018/05/11 20:20:37 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x84, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:37 executing program 4 (fault-call:5 fault-nth:0): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:37 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f00000000c0)={0x1fe, 0x0, 0xd000, 0x2000, &(0x7f000000b000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x1, 0x5d, &(0x7f0000000580), 0x0) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x80400, 0x0) openat$cgroup_procs(r4, &(0x7f0000000080)='cgroup.procs\x00', 0x2, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:37 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet(0x2, 0x3, 0x7f) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000280)=@nat={'nat\x00', 0x19, 0x1, 0x90, [0x20000490, 0x0, 0x0, 0x20000430, 0x20000460], 0x0, &(0x7f00000000c0), &(0x7f0000000400)=ANY=[@ANYBLOB="000000000000000000000000000000000000ddff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"]}, 0x108) [ 251.123935] kernel msg: ebtables bug: please report to author: Valid hook without chain [ 251.125711] FAULT_INJECTION: forcing a failure. [ 251.125711] name failslab, interval 1, probability 0, space 0, times 0 [ 251.143795] CPU: 1 PID: 15860 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 251.148131] kernel msg: ebtables bug: please report to author: Valid hook without chain [ 251.151101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.151109] Call Trace: [ 251.151144] dump_stack+0x1b9/0x294 [ 251.151171] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.180678] ? debug_check_no_locks_freed+0x310/0x310 [ 251.185903] ? debug_check_no_locks_freed+0x310/0x310 [ 251.191125] ? find_get_entries_tag+0x10a0/0x10a0 [ 251.196006] should_fail.cold.4+0xa/0x1a [ 251.200112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.205267] ? graph_lock+0x170/0x170 [ 251.209111] ? debug_check_no_locks_freed+0x310/0x310 [ 251.214368] ? find_held_lock+0x36/0x1c0 [ 251.218469] ? __lock_is_held+0xb5/0x140 [ 251.222619] ? check_same_owner+0x320/0x320 [ 251.226980] ? rcu_note_context_switch+0x710/0x710 [ 251.231958] __should_failslab+0x124/0x180 [ 251.236232] should_failslab+0x9/0x14 [ 251.240145] kmem_cache_alloc_trace+0x2cb/0x780 [ 251.244844] ? kasan_check_read+0x11/0x20 [ 251.249027] alloc_pipe_info+0x16d/0x580 [ 251.253118] ? pipe_read+0x940/0x940 [ 251.256874] ? __fget+0x40c/0x650 [ 251.260352] ? expand_files.part.8+0x9a0/0x9a0 [ 251.264950] ? find_held_lock+0x36/0x1c0 [ 251.269050] splice_direct_to_actor+0x6e7/0x8d0 [ 251.273755] ? graph_lock+0x170/0x170 [ 251.277586] ? pipe_to_sendpage+0x3f0/0x3f0 [ 251.281938] ? lock_downgrade+0x8e0/0x8e0 [ 251.286119] ? do_splice_to+0x190/0x190 [ 251.290157] ? rw_verify_area+0x118/0x360 [ 251.294363] do_splice_direct+0x2cc/0x400 [ 251.298727] ? splice_direct_to_actor+0x8d0/0x8d0 [ 251.303690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.309252] ? __sb_start_write+0x17f/0x300 [ 251.313605] do_sendfile+0x60f/0xe00 [ 251.317336] ? do_compat_pwritev64+0x1b0/0x1b0 [ 251.321927] ? __sb_end_write+0xac/0xe0 [ 251.325906] ? fput+0x130/0x1a0 [ 251.329184] ? ksys_write+0x1a6/0x250 [ 251.332994] __x64_sys_sendfile64+0x1f2/0x240 [ 251.337494] ? __ia32_sys_sendfile+0x290/0x290 [ 251.342077] ? do_syscall_64+0x92/0x800 [ 251.346058] do_syscall_64+0x1b1/0x800 [ 251.349947] ? finish_task_switch+0x1ca/0x810 [ 251.354496] ? syscall_return_slowpath+0x5c0/0x5c0 [ 251.359423] ? syscall_return_slowpath+0x30f/0x5c0 [ 251.364350] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 251.369719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.374599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.379795] RIP: 0033:0x455979 [ 251.382986] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 251.390708] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 251.397978] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 251.405240] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 251.413816] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 251.421083] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000000 2018/05/11 20:20:37 executing program 3: r0 = userfaultfd(0x0) r1 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x401, 0x2c4082) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000005540)={{{@in=@broadcast, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@remote}}, &(0x7f0000005640)=0xe8) r3 = syz_open_dev$binder(&(0x7f000000cff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f0000004000)={0x4, 0x0, &(0x7f000000cf90)=[@enter_looper={0x630c}], 0x0, 0x0, &(0x7f0000005000)}) ioctl$BINDER_SET_CONTEXT_MGR(r3, 0x40046207, 0x0) socketpair(0xa, 0x6, 0xfffffffffffffffc, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f000000ffd0)={0x0, 0x0, &(0x7f000000f000), 0x1, 0x0, &(0x7f000000ef31)='b'}) open_by_handle_at(r4, &(0x7f00000000c0)={0x8, 0x8}, 0x200004) r5 = mmap$binder(&(0x7f000000c000/0x2000)=nil, 0x2000, 0x0, 0x12, r3, 0x0) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f0000000040)={0x14, 0x0, &(0x7f0000000000)=[@acquire_done={0x40486311}], 0x0, 0x0, &(0x7f0000011f9d)}) socketpair(0x0, 0x0, 0x0, &(0x7f00000002c0)) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(0xffffffffffffffff, 0x84, 0x74, &(0x7f0000000380)=""/176, &(0x7f0000000300)=0xb0) ioctl$BINDER_THREAD_EXIT(r3, 0x40046208, 0x0) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f0000000140)={0x20, 0x0, &(0x7f0000000080)=[@acquire_done={0x40106309}, @free_buffer={0x40086303, r5}], 0x0, 0x0, &(0x7f00000000c0)}) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000005680)={r2, 0x1, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000005480)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000340)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x3}) r6 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGMTSLOTS(r6, 0x8040450a, &(0x7f00000054c0)) close(r6) mkdir(&(0x7f000082f000)='./control\x00', 0x0) ustat(0x4717, &(0x7f0000000100)) creat(&(0x7f00000054c0)='./control/file0\x00', 0x111) syz_open_dev$sndpcmc(&(0x7f0000000240)='/dev/snd/pcmC#D#c\x00', 0xf6ca, 0x0) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x8, 0x10, r1, 0x1000000) socket$inet(0x2, 0x3, 0xff) 2018/05/11 20:20:37 executing program 2: pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@mcast2, @in6}}, {{@in=@remote}, 0x0, @in6=@mcast2}}, &(0x7f0000000080)=0xe8) dup3(r2, r1, 0x80000) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @quote={{}, 0x0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time}}}], 0x30) read(r0, &(0x7f0000000000)=""/126, 0x7e) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000604ffc)) dup2(r1, r2) 2018/05/11 20:20:37 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0xfffffffffffffff7, &(0x7f0000000400)="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") move_pages(0x0, 0x0, &(0x7f0000000240), &(0x7f0000000200), &(0x7f00000001c0), 0x6) 2018/05/11 20:20:37 executing program 4 (fault-call:5 fault-nth:1): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:37 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x2, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:37 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:37 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) close(r0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000289fa8)={0x26, 'skcipher\x00', 0x0, 0x0, 'rfc3686(ctr-serpent-sse2)\x00'}, 0x58) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x402000, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000140)={0x0, 0xffff, 0x1, [0x1ff]}, &(0x7f0000000180)=0xa) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f00000001c0)={r3, 0x401}, 0x8) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000080)="ad5664a3", 0x4) r4 = accept$alg(r0, 0x0, 0x0) io_setup(0x1, &(0x7f0000e4b000)=0x0) socketpair$inet6_sctp(0xa, 0x9, 0x84, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$inet_sctp6_SCTP_MAX_BURST(r6, 0x84, 0x14, &(0x7f0000000040)=@int=0x7, 0x4) sendmsg$alg(r4, &(0x7f00000013c0)={0x0, 0x0, &(0x7f0000001300), 0x0, &(0x7f00000000c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) prctl$setendian(0x14, 0x3) io_submit(r5, 0x1, &(0x7f0000bd9fe0)=[&(0x7f0000617fc0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000dc0)="b3", 0x1}]) 2018/05/11 20:20:37 executing program 5: r0 = socket$inet6_sctp(0xa, 0x80000000005, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000001000)={0x0, @in6={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x9f8d8cc7302b0fcb) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f00000000c0)={0x1, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) setsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000001000)={{{@in=@rand_addr=0x1000000, @in6=@mcast1={0xff, 0x1, [], 0x1}}, {}, {0x0, 0x0, 0xffffffffffffffff}}, {{@in=@multicast2=0xe0000002}, 0x0, @in6=@mcast1={0xff, 0x1, [], 0x1}}}, 0xfffffd33) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r3 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r3, 0x40345410, &(0x7f0000029fcc)={{0x0, 0x2, 0x0, 0xffefffffffffffff}}) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r3, 0x54a2) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000400)=0x0) r5 = getuid() ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000700)=0x0) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000740)=0x0) r8 = gettid() fanotify_init(0x20, 0x101002) ioctl$TIOCLINUX7(r2, 0x541c, &(0x7f0000001440)={0x7, 0xb13b}) ioctl$TIOCGSID(r3, 0x5429, &(0x7f0000000980)=0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000b00)={{{@in=@multicast2, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}}}, &(0x7f0000000c00)=0xe8) lstat(&(0x7f0000000f00)='./file0\x00', &(0x7f0000000f40)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000001400)=0x0) getresuid(&(0x7f0000001700), &(0x7f0000001680)=0x0, &(0x7f00000016c0)) lstat(&(0x7f0000001500)='./file0\x00', &(0x7f0000001540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(r2, &(0x7f0000001640)={&(0x7f0000000080)=@kern={0x10, 0x0, 0x0, 0x10002}, 0xc, &(0x7f0000001340)=[{&(0x7f0000002000)={0x1374, 0x2e, 0x200, 0x70bd26, 0x25dfdbfc, "", [@typed={0x8, 0x3d, @fd=r2}, @generic="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@typed={0x8, 0x53, @pid=r4}, @generic="a191e12815b86d05b6771fa180a647ba37d80f77c20bc2beb17a5d7dff26b96f0616419ef9f149fd644d2d2c2d1ac5fa4ed3a6b06f697f1f48e9501a3b8d31f8f22831912e7c0cf9b01bc6b49995b417cbd80a9bbf74d5b166b7ffa69433df952bcf63e54fd166f2ee3a1d9610f3be3693173ccdb001775c2862f547581cb47ea16bd7f3d7302ccadc1556", @nested={0x254, 0x36, [@generic="e9bb05acb3903f472736cb83e0f5292317ad8d499b260908d3c0db3d21090b13869927ddec99f5a00f6a4ec910689de7b25d6fcd3a7f1fb705cf2244302a818937b6fc4c7f845f0b7d654b5a6367c221a1aecf60e58fa860e830e417c02aae025e683bbb76fc778436be166528dc46e47127cbb398bd612d57a1f02ffbbb43b30eefff564618eef434b6f6bef7a546747ed3f5fc683a70b5555822f52b5baf2b2889632ea5b9d7207a2070c54ef077310572b6fb88b9766a206738a5e45d9b1fdbc969da2ce11c84d067d923", @typed={0x8, 0x7, @ipv4=@loopback=0x7f000001}, @typed={0x4, 0x3a}, @generic="b632a5e1f66d4502bfdd8a2690d00ec2237616a9a2b0c84fda71cec74056521a020f90484f44bfc65b6e7a44dcfe23208fd3869833004485d2b77e16a88dfa3774f2df96de0a563a0af14f052cc9270a52b9e7b2602d7f5fb55d2fbb3459d67f370d36489d6e5b145cdcdd441941d91fdbcc7a9e172e5e684b39e12bf9ebd785f11deeb3e774217d2fa40e139c02d92bcfa05c94146c3885800f731a78fbce803f7734678d2efa49f624b59c98bae34dc0", @typed={0x8, 0x75, @fd=r3}, @typed={0x8, 0x33, @fd=r3}, @typed={0xac, 0x1b, @binary="38c4ef5655910601a5862a4a57933520a5ab9bd5bac05c6fb09463b92bfc93729be2d230a281bf5c33f01d99fb990b5179dfeb31f7d870a9c7aaff855ce2144a758d8dec0ff8c5b3c1c801eb55084425afaa796aa125685cf56e1ef30daa50bc25f5257d5b150f78bb934eeff2b8d66999f233c0f04d8f0966c48d4eb1bf8f9856677e9cff38a722e148c97529adbfe28cf85c750cce93f47384693167aa7ed7fc18b0e04697e2f0"}, @typed={0x8, 0x27, @u32=0xfffffffffffffff9}]}, 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@generic="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@generic="82024836e275ee51ddbd5e35194ed81e7f2d26e920185f89a19d77f85986d4274a27653b9f3aab123eafe9c5a5a82f8dcdaf36f21615eda3c8b72c7e0eff3b64c911f15f4416c488d6853ab5b7b8563c020dad4dec7421b1af268598188382cb9f9037e256df6db40ea60ba56beb601c3e285442b6578b08d7effb5ca6e0434c4cd8b8", @typed={0x8, 0x40, @u32=0x4}]}, @generic="9590626e6a39e6541c0573baea397e3c394d97fdf4ae5eb6f5810f6640337804a7ba20d4f2c5c7afb52298f6ce116497dd350358cfb40fc75d7d764e007599ad9183fcc9853aeda8c8c175ba5a398dd115b2441158aa7913b175d76dec36a03ac75c06e6f409aad4aeb489bc2e6925b87076af4c0c1137fc197859076813c10c41cc1cfe3dff83f63914f5838e068dc3eb5348c12791a51b9e47015f05430cc6937c971770468fe3b947eec0cdae2e4fb921468ab79a0b3b6d175f10cf35aeab28931e82f97579", @typed={0xd4, 0x94, @binary="fc641ad4d0519947b5952b7348bfb9690d6cd143dc5f3e43c3f0a8d9266b9ecc95e4c9562b64fd9d114a54707773f5566cc1461a1dc3192751b833c0378be7fbe7231afa12f55a7a0153580a448b263e816f5645b8e9d1fd16db6d648e606cfa6941f03fc48092213c1f40ec955d2c2878bdc1bdb9efb87bdde5c084a10d8eec66bccb0fa8d02e8853f6b1498e7c866c10e94868128dd9c5a2801ea6ea4794633c225d7f79bd4d1f6d94b06a469b64b6ea6adb91628f3994911cc5e79f6b88068c6f3157bfb0fdf7a18bf7755cfe"}]}, 0x24ac}, {&(0x7f0000000fc0)={0x24, 0x30, 0x102, 0x70bd28, 0x25dfdbfc, "", [@typed={0x14, 0x22, @ipv6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}}]}, 0x24}, {&(0x7f0000001100)={0x214, 0x26, 0x404, 0x70bd2b, 0x25dfdbfe, "", [@typed={0x8, 0x26, @fd=r3}, @generic="97e9858ecc1072279aef3c5942954d1147642b9f6167233bb3b58e387d2df2fcfcd2d61a552a5e6681adacad98aa0ea8b3139677251a928b3b6124f8db4c277bfbb1a449ed3b3e30b01ae6eb75d1583c4de5a5c4de", @generic="0f8266a8fadd9b725cbb05029136c83187193270fd569fa3202cad44e8738d74ed82dc148361bf47fe5e949c3f06d5f9224da467685502e90c349c5644ed7ff848477c9ebd859f79a3eedf05889406b572782368518bc75cda208025b752da19c88a0e42a6cdfda14ac9e49837d829ed97f9a2ee6a68635cbb7e1c0637bd26f3e39ad09d8c5316bf580527afbb02f5d424ad5d3d1521fbc34ee4a7c34d6892e5b7b693a1dcca013ff7b1755986c6d5eac1fa8f1b833cee4c395031734e9abea176531183e3fa30584cb57b8ab0319cd1e7dc49adba77a3", @nested={0x44, 0xd, [@generic="c67aa9fdc4e37905acdd2dbb4606d3fb1a8d05471e6b585af0e70ddde318561cb8b3815a9aaf68b1e342d528c1864f8377bd15bc23b6901fd42d544a6a"]}, @generic="012e5820719ab5158728453ccc98b979a91a96", @typed={0x78, 0x63, @binary="398783ba9fd0aa4641ae8dc6bd92632d6b8ea674a5167a465c3393a75be26d558a57800710ce0e56d704ab4e0878ae0323a745107a538f1666b3d8a2aa3bb8f6d0d8de8e052b8cc5e3d678cb3b74cb6e903a7eff8688f72fa821e73ebb41d8c8dd748f3663c984535382fee19e64d9600741b5"}]}, 0x214}], 0xa, &(0x7f00000015c0)=[@rights={0x20, 0x1, 0x1, [r0, r1, r1]}, @rights={0x18, 0x1, 0x1, [r3]}, @cred={0x20, 0x1, 0x2, r12, r13, r14}, @rights={0x28, 0x1, 0x1, [r3, r1, r3, r2, r0, r3]}], 0x80, 0x4000000}, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r3, 0x40505412, &(0x7f0000000180)={0x0, 0x1000000200007d}) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f00000002c0)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000180)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff]}}}}, 0x108) getsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000001000)=""/144, &(0x7f0000001ffc)=0x90) 2018/05/11 20:20:37 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0xffffff88, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 251.877855] FAULT_INJECTION: forcing a failure. [ 251.877855] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 251.889747] CPU: 0 PID: 15889 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 251.897042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.906418] Call Trace: [ 251.909044] dump_stack+0x1b9/0x294 [ 251.912716] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.917943] ? find_held_lock+0x13f/0x1c0 [ 251.922141] should_fail.cold.4+0xa/0x1a 2018/05/11 20:20:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x29, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 251.926249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.931402] ? find_held_lock+0x36/0x1c0 [ 251.935505] ? graph_lock+0x170/0x170 [ 251.939353] ? lock_acquire+0x1dc/0x520 [ 251.943379] ? lock_downgrade+0x8e0/0x8e0 [ 251.947567] ? find_held_lock+0x36/0x1c0 [ 251.951669] __alloc_pages_nodemask+0x34e/0xd70 [ 251.956369] ? kasan_check_read+0x11/0x20 [ 251.960144] binder: 15887 RLIMIT_NICE not set [ 251.960554] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 251.960586] ? rcu_read_unlock+0x35/0x70 [ 251.974173] ? __lock_is_held+0xb5/0x140 2018/05/11 20:20:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x9, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 251.978283] ? check_same_owner+0x320/0x320 [ 251.982650] cache_grow_begin+0x72/0x6c0 [ 251.986931] kmem_cache_alloc_trace+0x6a5/0x780 [ 251.991654] alloc_pipe_info+0x16d/0x580 [ 251.995759] ? pipe_read+0x940/0x940 [ 251.999610] ? __fget+0x40c/0x650 [ 252.003110] ? expand_files.part.8+0x9a0/0x9a0 [ 252.007807] ? find_held_lock+0x36/0x1c0 [ 252.011926] splice_direct_to_actor+0x6e7/0x8d0 [ 252.016654] ? graph_lock+0x170/0x170 [ 252.020481] ? pipe_to_sendpage+0x3f0/0x3f0 [ 252.024825] ? lock_downgrade+0x8e0/0x8e0 [ 252.029013] ? do_splice_to+0x190/0x190 [ 252.033013] ? rw_verify_area+0x118/0x360 [ 252.037174] do_splice_direct+0x2cc/0x400 [ 252.041331] ? splice_direct_to_actor+0x8d0/0x8d0 [ 252.046195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.051733] ? __sb_start_write+0x17f/0x300 [ 252.056054] do_sendfile+0x60f/0xe00 [ 252.059783] ? do_compat_pwritev64+0x1b0/0x1b0 [ 252.064372] ? __sb_end_write+0xac/0xe0 [ 252.068364] ? fput+0x130/0x1a0 [ 252.071638] ? ksys_write+0x1a6/0x250 [ 252.075439] __x64_sys_sendfile64+0x1f2/0x240 [ 252.079932] ? __ia32_sys_sendfile+0x290/0x290 [ 252.084533] ? do_syscall_64+0x92/0x800 [ 252.088512] do_syscall_64+0x1b1/0x800 [ 252.092401] ? finish_task_switch+0x1ca/0x810 [ 252.096912] ? syscall_return_slowpath+0x5c0/0x5c0 [ 252.102034] ? syscall_return_slowpath+0x30f/0x5c0 [ 252.106982] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 252.112365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.117317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.122510] RIP: 0033:0x455979 [ 252.125714] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 252.133429] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 252.140712] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 252.147996] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 252.155277] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 252.162575] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000001 2018/05/11 20:20:38 executing program 4 (fault-call:5 fault-nth:2): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 252.233185] FAULT_INJECTION: forcing a failure. [ 252.233185] name failslab, interval 1, probability 0, space 0, times 0 [ 252.244733] CPU: 0 PID: 15914 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 252.253082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.263044] Call Trace: [ 252.265658] dump_stack+0x1b9/0x294 [ 252.269295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.274494] should_fail.cold.4+0xa/0x1a [ 252.278557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.283663] ? debug_check_no_locks_freed+0x310/0x310 [ 252.288883] ? graph_lock+0x170/0x170 [ 252.292690] ? print_usage_bug+0xc0/0xc0 [ 252.296769] ? __lock_acquire+0x7f5/0x5140 [ 252.301008] ? page_add_new_anon_rmap+0x850/0x850 [ 252.305873] ? find_held_lock+0x36/0x1c0 [ 252.309939] ? __lock_is_held+0xb5/0x140 [ 252.314018] ? check_same_owner+0x320/0x320 [ 252.318356] ? rcu_note_context_switch+0x710/0x710 [ 252.323288] __should_failslab+0x124/0x180 [ 252.327542] should_failslab+0x9/0x14 [ 252.331347] kmem_cache_alloc_node_trace+0x26f/0x770 [ 252.336469] ? find_held_lock+0x36/0x1c0 [ 252.340581] __kmalloc_node+0x33/0x70 [ 252.344573] kvmalloc_node+0x6b/0x100 [ 252.348372] iov_iter_get_pages_alloc+0x7be/0x14e0 [ 252.353307] ? rcu_is_watching+0x85/0x140 [ 252.357459] ? copy_page_to_iter+0xf30/0xf30 [ 252.361868] ? is_bpf_text_address+0xd7/0x170 [ 252.366360] ? kernel_text_address+0x79/0xf0 [ 252.370771] ? __unwind_start+0x166/0x330 [ 252.374928] ? __kernel_text_address+0xd/0x40 [ 252.379430] ? unwind_get_return_address+0x61/0xa0 [ 252.384360] ? __save_stack_trace+0x7e/0xd0 [ 252.388688] ? print_usage_bug+0xc0/0xc0 [ 252.392763] ? save_stack+0xa9/0xd0 [ 252.396394] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 252.401413] ? iov_iter_pipe+0xc2/0x2f0 [ 252.405386] default_file_splice_read+0x1c7/0xad0 [ 252.410238] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.415604] ? print_usage_bug+0xc0/0xc0 [ 252.419666] ? do_splice_direct+0x400/0x400 [ 252.423997] ? debug_mutex_init+0x1c/0x60 [ 252.428150] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 252.433160] ? __lockdep_init_map+0x105/0x590 [ 252.437659] ? lockdep_init_map+0x9/0x10 [ 252.441722] ? debug_mutex_init+0x2d/0x60 [ 252.445866] ? __mutex_init+0x1ef/0x280 [ 252.449836] ? __ia32_sys_membarrier+0x150/0x150 [ 252.454598] ? __lockdep_init_map+0x105/0x590 [ 252.459099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.464811] ? fsnotify+0x415/0xfc0 [ 252.468431] ? fsnotify+0xfc0/0xfc0 [ 252.472054] ? fsnotify_first_mark+0x330/0x330 [ 252.476650] ? security_file_permission+0x1c6/0x240 [ 252.481677] ? rw_verify_area+0x118/0x360 [ 252.485822] ? do_splice_direct+0x400/0x400 [ 252.490141] do_splice_to+0x12e/0x190 [ 252.493944] splice_direct_to_actor+0x268/0x8d0 [ 252.498624] ? pipe_to_sendpage+0x3f0/0x3f0 [ 252.502946] ? do_splice_to+0x190/0x190 [ 252.506915] ? rw_verify_area+0x118/0x360 [ 252.511057] do_splice_direct+0x2cc/0x400 [ 252.515379] ? splice_direct_to_actor+0x8d0/0x8d0 [ 252.520239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.525772] ? __sb_start_write+0x17f/0x300 [ 252.530099] do_sendfile+0x60f/0xe00 [ 252.533844] ? do_compat_pwritev64+0x1b0/0x1b0 [ 252.538431] ? __sb_end_write+0xac/0xe0 [ 252.542406] ? fput+0x130/0x1a0 [ 252.545694] ? ksys_write+0x1a6/0x250 [ 252.549497] __x64_sys_sendfile64+0x1f2/0x240 [ 252.553995] ? __ia32_sys_sendfile+0x290/0x290 [ 252.558670] ? do_syscall_64+0x92/0x800 [ 252.562651] do_syscall_64+0x1b1/0x800 [ 252.566542] ? syscall_return_slowpath+0x5c0/0x5c0 [ 252.571552] ? syscall_return_slowpath+0x30f/0x5c0 [ 252.577472] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 252.582850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.587693] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.592876] RIP: 0033:0x455979 [ 252.596051] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 252.603750] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 252.611024] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 252.618286] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 252.625561] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 2018/05/11 20:20:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x3b, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 252.632827] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000002 2018/05/11 20:20:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x3c, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 252.682069] binder: 15884:15927 got transaction to context manager from process owning it [ 252.690872] binder: 15884:15927 transaction failed 29201/-22, size 0-0 line 2847 2018/05/11 20:20:38 executing program 4 (fault-call:5 fault-nth:3): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x33, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 252.836669] FAULT_INJECTION: forcing a failure. [ 252.836669] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 252.848654] CPU: 0 PID: 15949 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 252.855948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.865319] Call Trace: [ 252.867957] dump_stack+0x1b9/0x294 [ 252.871618] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.876851] ? find_held_lock+0x36/0x1c0 [ 252.880952] should_fail.cold.4+0xa/0x1a [ 252.885044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.890176] ? graph_lock+0x170/0x170 [ 252.894013] ? kasan_check_read+0x11/0x20 [ 252.898213] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 252.903437] ? find_held_lock+0x36/0x1c0 [ 252.907539] ? __lock_is_held+0xb5/0x140 [ 252.911823] ? check_same_owner+0x320/0x320 [ 252.915191] binder: BINDER_SET_CONTEXT_MGR already set [ 252.916169] ? rcu_note_context_switch+0x710/0x710 [ 252.916196] ? __might_sleep+0x95/0x190 [ 252.916219] __alloc_pages_nodemask+0x34e/0xd70 [ 252.922923] binder: 15884:15927 ioctl 40046207 0 returned -16 [ 252.926469] ? default_file_splice_read+0x1c7/0xad0 [ 252.926489] ? do_splice_to+0x12e/0x190 [ 252.926506] ? splice_direct_to_actor+0x268/0x8d0 [ 252.926530] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 252.926553] ? __lock_is_held+0xb5/0x140 [ 252.942879] binder: 15884:15939 got transaction to context manager from process owning it [ 252.946158] ? __lock_is_held+0xb5/0x140 [ 252.946184] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.946203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 252.946224] alloc_pages_current+0x10c/0x210 [ 252.946247] push_pipe+0x400/0x7a0 [ 252.950288] binder: 15884:15939 transaction failed 29201/-22, size 0-0 line 2847 [ 252.955094] ? __kmalloc_node+0x47/0x70 [ 252.955118] iov_iter_get_pages_alloc+0x84a/0x14e0 [ 252.955137] ? rcu_is_watching+0x85/0x140 [ 252.971268] binder_alloc: binder_alloc_mmap_handler: 15884 2000c000-2000e000 already mapped failed -16 [ 252.972535] ? copy_page_to_iter+0xf30/0xf30 [ 252.972560] ? is_bpf_text_address+0xd7/0x170 [ 252.972578] ? kernel_text_address+0x79/0xf0 [ 252.972604] ? __unwind_start+0x166/0x330 [ 252.980885] binder: undelivered TRANSACTION_ERROR: 29201 [ 252.981689] ? unwind_get_return_address+0x61/0xa0 [ 252.981713] ? __save_stack_trace+0x7e/0xd0 [ 253.057294] ? print_usage_bug+0xc0/0xc0 [ 253.061357] ? save_stack+0xa9/0xd0 [ 253.064993] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 253.070022] ? iov_iter_pipe+0xc2/0x2f0 [ 253.074022] default_file_splice_read+0x1c7/0xad0 [ 253.078878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.084259] ? print_usage_bug+0xc0/0xc0 [ 253.088332] ? do_splice_direct+0x400/0x400 [ 253.092829] ? debug_mutex_init+0x1c/0x60 [ 253.097077] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 253.102102] ? __lockdep_init_map+0x105/0x590 [ 253.106611] ? lockdep_init_map+0x9/0x10 [ 253.110679] ? debug_mutex_init+0x2d/0x60 [ 253.114843] ? __mutex_init+0x1ef/0x280 [ 253.118825] ? __ia32_sys_membarrier+0x150/0x150 [ 253.123581] ? __lockdep_init_map+0x105/0x590 [ 253.128095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.133632] ? fsnotify+0x415/0xfc0 [ 253.137267] ? fsnotify+0xfc0/0xfc0 [ 253.140897] ? fsnotify_first_mark+0x330/0x330 [ 253.145488] ? security_file_permission+0x1c6/0x240 [ 253.150518] ? rw_verify_area+0x118/0x360 [ 253.154670] ? do_splice_direct+0x400/0x400 [ 253.158988] do_splice_to+0x12e/0x190 [ 253.162791] splice_direct_to_actor+0x268/0x8d0 [ 253.167477] ? pipe_to_sendpage+0x3f0/0x3f0 [ 253.171814] ? do_splice_to+0x190/0x190 [ 253.175890] ? rw_verify_area+0x118/0x360 [ 253.180047] do_splice_direct+0x2cc/0x400 [ 253.184200] ? splice_direct_to_actor+0x8d0/0x8d0 [ 253.189826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.195362] ? __sb_start_write+0x17f/0x300 [ 253.199682] do_sendfile+0x60f/0xe00 [ 253.203395] ? do_compat_pwritev64+0x1b0/0x1b0 [ 253.207990] ? __sb_end_write+0xac/0xe0 [ 253.211975] ? fput+0x130/0x1a0 [ 253.215274] ? ksys_write+0x1a6/0x250 [ 253.219104] __x64_sys_sendfile64+0x1f2/0x240 [ 253.223621] ? __ia32_sys_sendfile+0x290/0x290 [ 253.228218] ? do_syscall_64+0x92/0x800 [ 253.232228] do_syscall_64+0x1b1/0x800 [ 253.236159] ? finish_task_switch+0x1ca/0x810 [ 253.240663] ? syscall_return_slowpath+0x5c0/0x5c0 [ 253.245632] ? syscall_return_slowpath+0x30f/0x5c0 [ 253.250578] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 253.255960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.260816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.266032] RIP: 0033:0x455979 [ 253.269232] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 253.276953] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 253.284221] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 253.291483] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 253.298760] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 253.306029] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000003 2018/05/11 20:20:39 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300000000100", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:39 executing program 3: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x80001, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='smaps\x00') setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f0000000280)=[{0x3, 0x5}, {0x8, 0x101}], 0x2) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000fca000)={0x100000001, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) setsockopt$inet6_group_source_req(r1, 0x29, 0x2f, &(0x7f0000420000)={0x1, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x108) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x20081, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000200)={0x200, 0x9, 0x2, 0x4, 0x6, 0xe5c3, 0x4, 0x8001, 0x9d, 0x5, 0x6}, 0xb) bind$bt_l2cap(r3, &(0x7f00000001c0)={0x1f, 0x6, {0x1, 0x9, 0xfff, 0x5, 0x800, 0x8}, 0x6, 0x2}, 0xe) r4 = fcntl$getown(r0, 0x9) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f00000000c0)={0x6, {{0xa, 0x4e24, 0x3, @local={0xfe, 0x80, [], 0xaa}, 0x80}}}, 0x88) setsockopt$sock_void(r1, 0x1, 0x3f, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x3, 0x70, 0x6, 0x8, 0x7ff, 0x7, 0x0, 0x3, 0x240, 0xf, 0x1, 0x9, 0x0, 0x9, 0x5, 0x4, 0x239, 0x7, 0x1, 0x7fffffff, 0x6003, 0xffffffff, 0x8, 0x5, 0x4, 0x7, 0x0, 0x7f, 0x0, 0x2, 0x5, 0x0, 0x4, 0x6, 0x2, 0x60, 0x80000001, 0x90, 0x0, 0x7, 0x2, @perf_config_ext={0x800}, 0x5, 0xff, 0x0, 0x7, 0x4a1a, 0xbd, 0x2}, r4, 0x3, r0, 0x2) setsockopt$inet6_group_source_req(r1, 0x29, 0x2b, &(0x7f0000a83000)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r3, 0xc0505350, &(0x7f00000002c0)={{0x2, 0xed3d}, {0x1, 0x5}, 0x9dbe, 0x2, 0x2}) 2018/05/11 20:20:39 executing program 4 (fault-call:5 fault-nth:4): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:39 executing program 6: r0 = open(&(0x7f0000000040)='./file0\x00', 0x400000, 0x20) ioctl$TCSETA(r0, 0x5406, &(0x7f0000000080)={0x9, 0xfffffffffffffc7e, 0x7f, 0x814, 0xfffffffffffffffb, 0x1, 0x101, 0xe851, 0x6f, 0xffffffff}) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000505000)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) pipe2(&(0x7f0000cdc000)={0x0, 0x0}, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r5 = dup3(r4, r3, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000decfe0)={0x10005, 0x2, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_VCPU_EVENTS(r3, 0x4040aea0, &(0x7f0000460fe4)={0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x805}) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(0xffffffffffffffff, 0x84, 0x74, &(0x7f0000000140)=""/251, &(0x7f0000000000)=0xfffffffffffffe90) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe5000/0x18000)=nil, &(0x7f0000de9000)=[@textreal={0x8, &(0x7f00000004c0)="66b8008000000f23d80f21f86635800000e00f23f836e30f66b8a93064e90f23c80f21f866350000d0000f23f83ecbc6f80a660f3841c40f01d10f3566b9520900000f32260f70e2d9", 0x49}], 0xaaaaaaaaaaaacd6, 0x0, &(0x7f0000000540), 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) 2018/05/11 20:20:39 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x60000000) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$KVM_IRQ_LINE_STATUS(r1, 0xc008ae67, &(0x7f0000000040)={0x9, 0x6}) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000006640)='ns/pid_for_children\x00') 2018/05/11 20:20:39 executing program 2: r0 = socket(0x11, 0x100000802, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) ioctl$TUNSETLINK(r2, 0x400454cd, 0x339) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000180)={'ifb0\x00', 0xa201}) write$tun(r2, &(0x7f00000001c0)={@pi={0x0, 0x993e}, @hdr={0x1, 0x7, 0x0, 0x7fffffff, 0x2}, @ipv4={{0x21, 0x4, 0x2, 0x3, 0x8c, 0x68, 0x1, 0x7fff, 0x0, 0x0, @multicast2=0xe0000002, @local={0xac, 0x14, 0x14, 0xaa}, {[@generic={0x83, 0xd, "34bfc341963a7447260d9e"}, @timestamp={0x44, 0x30, 0x77, 0x0, 0x3, [{[@local={0xac, 0x14, 0x14, 0xaa}], 0x8001}, {[@broadcast=0xffffffff], 0x85}, {[@multicast1=0xe0000001], 0x80000000}, {[], 0x1}, {[], 0x2}, {[@rand_addr=0x81], 0x8}, {[], 0x7fffffff}]}, @lsrr={0x83, 0xb, 0xf9, [@multicast2=0xe0000002, @remote={0xac, 0x14, 0x14, 0xbb}]}, @end, @ssrr={0x89, 0xb, 0xd82, [@broadcast=0xffffffff, @remote={0xac, 0x14, 0x14, 0xbb}]}, @ra={0x94, 0x6, 0x101}, @lsrr={0x83, 0xf, 0x3, [@rand_addr=0x9, @local={0xac, 0x14, 0x14, 0xaa}, @rand_addr=0xf674]}, @ra={0x94, 0x6, 0x5f}]}}, @icmp=@info_reply={0x10, 0x0, 0x0, 0x5, 0x38}}}, 0x9a) getpeername$llc(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000040)=0x10) dup2(r0, r2) 2018/05/11 20:20:39 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") write$binfmt_misc(r0, &(0x7f0000000100)={'syz1', "31308baa76727bcbacd91490227b66adf812a03491c4c5b783562f7b6419ab528e"}, 0x25) r1 = socket(0x11, 0x100000802, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000080), &(0x7f0000000180)=0xffffffffffffff78) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x102}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000040)={'ifb0\x00', {0x2, 0x0, @broadcast=0xffffffff}}) 2018/05/11 20:20:39 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d80a2b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 253.336096] binder: undelivered TRANSACTION_ERROR: 29201 [ 253.371598] FAULT_INJECTION: forcing a failure. [ 253.371598] name failslab, interval 1, probability 0, space 0, times 0 [ 253.374786] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 253.383301] CPU: 0 PID: 15960 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 253.397263] IPVS: ftp: loaded support on port[0] = 21 [ 253.400794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.400801] Call Trace: [ 253.400831] dump_stack+0x1b9/0x294 [ 253.400852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.400867] ? __mutex_lock+0x7d9/0x17f0 [ 253.400889] should_fail.cold.4+0xa/0x1a 2018/05/11 20:20:39 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8252b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 253.400913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.440125] ? zap_class+0x720/0x720 [ 253.443870] ? graph_lock+0x170/0x170 [ 253.447710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.453308] ? find_held_lock+0x36/0x1c0 [ 253.457404] ? __lock_is_held+0xb5/0x140 [ 253.461498] ? raid6_avx22_xor_syndrome+0xa0/0x2d0 [ 253.466486] ? check_same_owner+0x320/0x320 [ 253.470830] ? __lock_is_held+0xb5/0x140 [ 253.474920] ? rcu_note_context_switch+0x710/0x710 [ 253.479872] __should_failslab+0x124/0x180 [ 253.484120] should_failslab+0x9/0x14 [ 253.487926] kmem_cache_alloc_node_trace+0x26f/0x770 [ 253.493038] ? __lock_is_held+0xb5/0x140 [ 253.497109] __kmalloc_node+0x33/0x70 [ 253.500911] kvmalloc_node+0x6b/0x100 [ 253.504708] seq_read+0xa33/0x1520 [ 253.508243] ? __lock_is_held+0xb5/0x140 [ 253.512326] ? __check_object_size+0x95/0x5d9 [ 253.516815] ? seq_file_path+0x30/0x30 [ 253.520697] ? fsnotify+0x415/0xfc0 [ 253.524328] ? fsnotify+0xfc0/0xfc0 [ 253.528037] ? fsnotify_first_mark+0x330/0x330 [ 253.532628] kernfs_fop_read+0x13e/0x690 [ 253.536704] ? kernfs_vma_page_mkwrite+0x230/0x230 [ 253.541653] ? rw_verify_area+0x118/0x360 [ 253.545804] do_iter_read+0x4a3/0x660 [ 253.549603] vfs_readv+0x14f/0x1a0 [ 253.553137] ? compat_rw_copy_check_uvector+0x420/0x420 [ 253.558496] ? is_bpf_text_address+0xd7/0x170 [ 253.562986] ? kernel_text_address+0x79/0xf0 [ 253.567410] ? __unwind_start+0x166/0x330 [ 253.571562] ? __save_stack_trace+0x7e/0xd0 [ 253.575894] ? print_usage_bug+0xc0/0xc0 [ 253.579957] ? save_stack+0xa9/0xd0 [ 253.583597] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 253.588632] ? iov_iter_pipe+0xc2/0x2f0 [ 253.592788] default_file_splice_read+0x514/0xad0 [ 253.597634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.603027] ? print_usage_bug+0xc0/0xc0 [ 253.607098] ? do_splice_direct+0x400/0x400 [ 253.611447] ? debug_mutex_init+0x1c/0x60 [ 253.615607] ? __lockdep_init_map+0x105/0x590 [ 253.620105] ? lockdep_init_map+0x9/0x10 [ 253.624157] ? debug_mutex_init+0x2d/0x60 [ 253.628297] ? __mutex_init+0x1ef/0x280 [ 253.632276] ? __ia32_sys_membarrier+0x150/0x150 [ 253.637026] ? __lockdep_init_map+0x105/0x590 [ 253.641526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.647064] ? fsnotify+0x415/0xfc0 [ 253.650682] ? fsnotify+0xfc0/0xfc0 [ 253.654306] ? fsnotify_first_mark+0x330/0x330 [ 253.658906] ? security_file_permission+0x1c6/0x240 [ 253.663927] ? rw_verify_area+0x118/0x360 [ 253.668086] ? do_splice_direct+0x400/0x400 [ 253.672406] do_splice_to+0x12e/0x190 [ 253.676251] splice_direct_to_actor+0x268/0x8d0 [ 253.680918] ? pipe_to_sendpage+0x3f0/0x3f0 [ 253.685243] ? do_splice_to+0x190/0x190 [ 253.689213] ? rw_verify_area+0x118/0x360 [ 253.693366] do_splice_direct+0x2cc/0x400 [ 253.697517] ? splice_direct_to_actor+0x8d0/0x8d0 [ 253.702390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.707930] ? __sb_start_write+0x17f/0x300 [ 253.712258] do_sendfile+0x60f/0xe00 [ 253.715975] ? do_compat_pwritev64+0x1b0/0x1b0 [ 253.720554] ? __sb_end_write+0xac/0xe0 [ 253.724525] ? fput+0x130/0x1a0 [ 253.727885] ? ksys_write+0x1a6/0x250 [ 253.731684] __x64_sys_sendfile64+0x1f2/0x240 [ 253.736185] ? __ia32_sys_sendfile+0x290/0x290 [ 253.740767] ? do_syscall_64+0x92/0x800 [ 253.744742] do_syscall_64+0x1b1/0x800 [ 253.748620] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 253.753458] ? syscall_return_slowpath+0x5c0/0x5c0 [ 253.758387] ? syscall_return_slowpath+0x30f/0x5c0 [ 253.763310] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 253.768680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.773537] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.778719] RIP: 0033:0x455979 [ 253.781899] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 253.789600] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 253.796865] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 253.804242] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 253.811507] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 253.818852] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000004 2018/05/11 20:20:39 executing program 4 (fault-call:5 fault-nth:5): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 253.850270] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:40 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f00002e9000)='task\x00') getdents64(r0, &(0x7f0000ceffd4)=""/44, 0x2c) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getdents(r0, &(0x7f0000cdb000)=""/36, 0x24) utimensat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={{0x0, 0x7530}, {0x0, 0x2710}}, 0x100) 2018/05/11 20:20:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8742b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 253.959244] FAULT_INJECTION: forcing a failure. [ 253.959244] name failslab, interval 1, probability 0, space 0, times 0 [ 253.970716] CPU: 0 PID: 15981 Comm: syz-executor4 Not tainted 4.17.0-rc4+ #42 [ 253.978020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.987490] Call Trace: [ 253.990114] dump_stack+0x1b9/0x294 [ 253.993766] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.998964] ? rcu_is_watching+0x85/0x140 [ 254.003136] should_fail.cold.4+0xa/0x1a [ 254.007217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.012319] ? kernel_text_address+0x79/0xf0 [ 254.016741] ? __unwind_start+0x166/0x330 [ 254.020888] ? __kernel_text_address+0xd/0x40 [ 254.025392] ? graph_lock+0x170/0x170 [ 254.029218] ? __save_stack_trace+0x7e/0xd0 [ 254.033548] ? find_held_lock+0x36/0x1c0 [ 254.037629] ? __lock_is_held+0xb5/0x140 [ 254.041711] ? drm_syncobj_null_fence_enable_signaling+0x30/0x100 [ 254.047971] ? check_same_owner+0x320/0x320 [ 254.052296] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 254.056890] ? rcu_note_context_switch+0x710/0x710 [ 254.061820] ? print_usage_bug+0xc0/0xc0 [ 254.065891] ? kasan_check_write+0x14/0x20 [ 254.070132] __should_failslab+0x124/0x180 [ 254.074371] should_failslab+0x9/0x14 [ 254.078175] __kmalloc+0x2c8/0x760 [ 254.081718] ? retint_kernel+0x10/0x10 [ 254.085603] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 254.090621] ? iov_iter_advance+0x2e4/0x14c0 [ 254.095049] ? kernfs_fop_write+0x33d/0x480 [ 254.099374] kernfs_fop_write+0x33d/0x480 [ 254.103533] ? graph_lock+0x170/0x170 [ 254.107349] __vfs_write+0x10b/0x960 [ 254.111067] ? kernfs_fop_open+0x1000/0x1000 [ 254.115478] ? kernel_read+0x120/0x120 [ 254.119560] ? __lock_is_held+0xb5/0x140 [ 254.123632] ? check_same_owner+0x320/0x320 [ 254.127961] ? rcu_note_context_switch+0x710/0x710 [ 254.132894] __kernel_write+0x10c/0x380 [ 254.136882] write_pipe_buf+0x175/0x220 [ 254.140857] ? default_file_splice_read+0xad0/0xad0 [ 254.145883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.151421] ? splice_from_pipe_next.part.8+0x296/0x340 [ 254.156792] __splice_from_pipe+0x38e/0x7c0 [ 254.161120] ? default_file_splice_read+0xad0/0xad0 [ 254.166161] splice_from_pipe+0x1e2/0x320 [ 254.170322] ? fsnotify_first_mark+0x330/0x330 [ 254.174908] ? default_file_splice_read+0xad0/0xad0 [ 254.179927] ? splice_shrink_spd+0xd0/0xd0 [ 254.184170] ? security_file_permission+0x1c6/0x240 [ 254.189194] default_file_splice_write+0x3c/0x90 [ 254.194040] ? generic_splice_sendpage+0x50/0x50 [ 254.198817] direct_splice_actor+0x128/0x190 [ 254.203247] splice_direct_to_actor+0x310/0x8d0 [ 254.207937] ? pipe_to_sendpage+0x3f0/0x3f0 [ 254.212272] ? do_splice_to+0x190/0x190 [ 254.216247] ? rw_verify_area+0x118/0x360 [ 254.220408] do_splice_direct+0x2cc/0x400 [ 254.224559] ? splice_direct_to_actor+0x8d0/0x8d0 [ 254.229414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.234951] ? __sb_start_write+0x17f/0x300 [ 254.239278] do_sendfile+0x60f/0xe00 [ 254.243002] ? do_compat_pwritev64+0x1b0/0x1b0 [ 254.247598] ? __sb_end_write+0xac/0xe0 [ 254.251591] ? fput+0x130/0x1a0 [ 254.254879] ? ksys_write+0x1a6/0x250 [ 254.258688] __x64_sys_sendfile64+0x1f2/0x240 [ 254.263184] ? __ia32_sys_sendfile+0x290/0x290 [ 254.267775] ? do_syscall_64+0x92/0x800 [ 254.271753] do_syscall_64+0x1b1/0x800 [ 254.275637] ? syscall_return_slowpath+0x5c0/0x5c0 [ 254.280572] ? syscall_return_slowpath+0x30f/0x5c0 [ 254.285502] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 254.290880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.295749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.300949] RIP: 0033:0x455979 [ 254.304128] RSP: 002b:00007fe6969bcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 254.311838] RAX: ffffffffffffffda RBX: 00007fe6969bd6d4 RCX: 0000000000455979 [ 254.319122] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000014 [ 254.326407] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 254.333683] R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000016 [ 254.340965] R13: 0000000000000514 R14: 00000000006fba80 R15: 0000000000000005 2018/05/11 20:20:40 executing program 6: openat$vcs(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/vcs\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f0000000300)={0x0, @tick, 0x8, {0x8001, 0x4}, 0x3f}) openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x442180, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000ff0ff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000200)={{0x80}, "706f7274300000000000000000efff000000000800", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(0xffffffffffffffff, 0xc0105303, &(0x7f00000001c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 254.357260] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d86574", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:40 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300000000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:40 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") unshare(0x400) ioctl$void(r0, 0xc0045878) [ 254.457608] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:40 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, &(0x7f0000000040)="440f20c0350e000000440f22c0260f013ab805000000b9078000000f01d9b9321001c0b802000000ba000000000f30c744240000f0d9e8c744240204000000c7442406000000000f011424c4227d0ff70f353e660f38814d0ac4e27d8c07668ec5", 0x61}], 0x1, 0xfffffffffffffffe, &(0x7f0000000000), 0x0) ioctl$KVM_SET_DEBUGREGS(0xffffffffffffffff, 0x4080aea2, &(0x7f0000000140)={[0x0, 0x5007, 0x1d000]}) socketpair(0x11, 0x8080a, 0xb9, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$KVM_HYPERV_EVENTFD(r2, 0x4018aebd, &(0x7f0000000240)={0x4, r4, 0x1}) ioctl$sock_SIOCGIFBR(0xffffffffffffffff, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f00000003c0)=""/214, 0x401}) ioctl$KVM_ASSIGN_SET_MSIX_NR(0xffffffffffffffff, 0x4008ae73, &(0x7f0000000200)={0x33}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x13, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:40 executing program 4 (fault-call:5 fault-nth:6): r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:40 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x80000, 0x0) ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0x0) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000080), &(0x7f00000000c0)=0x14) write$rdma_cm(r2, &(0x7f0000002a40)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000002a00)={0xffffffff}, 0x13f}}, 0x20) write$rdma_cm(r2, &(0x7f0000001700)=@migrate_id={0x12, 0x0, 0xfa00, {&(0x7f0000001840), r3, r2}}, 0x36) 2018/05/11 20:20:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x4c, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:41 executing program 3: r0 = getpgid(0x0) sched_setaffinity(r0, 0x1cd, &(0x7f0000da3000)=0x2) pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) mmap(&(0x7f0000011000/0xd000)=nil, 0xd000, 0x1, 0x20001e, r2, 0xfffffffffffffffe) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x1c) read(r1, &(0x7f000022e000)=""/74, 0x4a) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000000)) dup2(r1, r3) 2018/05/11 20:20:41 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000fff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:41 executing program 2: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000702000)) getgroups(0x2, &(0x7f0000000040)=[0xffffffffffffffff, 0xffffffffffffffff]) setresgid(r0, 0x0, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x7f, 0x800c0) setsockopt$inet_tcp_int(r1, 0x6, 0x19, &(0x7f00000000c0)=0x5, 0x4) 2018/05/11 20:20:41 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(xtea)\x00'}, 0x58) socketpair$inet(0x2, 0x0, 0x80000001, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000200)={0x0, 0xee, "90e12d73032499f03ff2289250f8f1d6f2a54be29351b33976c0ba01d198e86bd891de3cd0bd037d5710a883cc0120ac9e2aad222e52251862966db6bf450a4fa5be1d33a50f04d10281cf8f52a23533ed83d189872bb13445f479a8a971ea22240ed70686513756b7227bd1191559f57926b8978f1e017646ca4b52858a766c8d72350d164a7e4d64315929fb8f6a979d4943295a29ba6989df9b03146b77cc8529c60da68c3ffab00aa2400c22f0890bd850440a9528cded2e8bbf64b2632aa5687ec3ec66ea83fd3208f0a5b84925d808668d8bda3573479ddc6a4f9eef879317d6fcf3d928fd244a399dd81b"}, &(0x7f0000000040)=0xf6) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000300)={r2, @in={{0x2, 0x4e22}}}, &(0x7f0000000080)=0x84) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r3 = accept$alg(r0, 0x0, 0x0) sendto(r3, &(0x7f0000000100)="224b49fd1e310f215feac34bbc176bfc", 0x10, 0x0, &(0x7f00000000c0)=ANY=[], 0x0) pipe2(&(0x7f00000000c0), 0x80800) recvmsg(r3, &(0x7f0000d43000)={&(0x7f000076c000)=@hci, 0x3, &(0x7f0000ae0fc0)=[{&(0x7f0000b9ff8b)=""/117, 0xa5}], 0x1, &(0x7f0000837f57)=""/169, 0xa9}, 0x0) 2018/05/11 20:20:41 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:41 executing program 1: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$vnet(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/vhost-net\x00', 0x2, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000140)={0x0, 0x6c, &(0x7f00000000c0)=[@in={0x2, 0x4e23}, @in={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e23, @broadcast=0xffffffff}, @in6={0xa, 0x4e22, 0x2, @empty, 0x1}, @in={0x2, 0x4e21, @broadcast=0xffffffff}, @in={0x2, 0x4e20}]}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000001c0)={r2, 0x3ff}, &(0x7f0000000200)=0x8) ioctl$int_in(r1, 0xaf01, &(0x7f0000000280)) write$binfmt_script(r1, &(0x7f0000000000)={'#! ', './file0', [{0x20}, {0x20, '/dev/vhost-net\x00'}, {0x20, '#lo{GPL'}, {0x20, '+--mime_type'}, {0x20, '/dev/vhost-net\x00'}, {0x20, '/dev/vhost-net\x00'}], 0xa, "bd4fb53901fc34a2114087fbadee9328554c36d21fc87a4aaab54685352fa8a267ce03b9196da0a0fb79ea2f79292917b3a146f8e0d76d960284cf0566d19931ba008066e1db38e9d69930e329cd10d989057fc7e42ec5262ea746c6d1a7c4d4e6841626137de7e3da"}, 0xba) r3 = eventfd(0x0) ioctl$VHOST_SET_VRING_KICK(r1, 0x4008af22, &(0x7f0000857ff8)={0x0, r3}) 2018/05/11 20:20:41 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e13000)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vcs\x00', 0x4000, 0x0) setsockopt$RDS_CONG_MONITOR(r1, 0x114, 0x6, &(0x7f00000001c0), 0x4) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000d4effc)=0x1, 0x6) creat(&(0x7f0000000100)='./file0\x00', 0x22) connect$inet(r0, &(0x7f0000000040)={0x2, 0x200000004e20}, 0x10) r2 = request_key(&(0x7f0000000000)='big_key\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000000c0)='!keyring\x00', 0xfffffffffffffffd) keyctl$invalidate(0x15, r2) socket$packet(0x11, 0x3, 0x300) sendto$inet(r0, &(0x7f0000eda000)='{', 0x1, 0x4008000, &(0x7f0000de5ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) dup3(0xffffffffffffffff, r0, 0x0) 2018/05/11 20:20:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x223, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:41 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x7ffff000) 2018/05/11 20:20:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x74, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:41 executing program 6: capset(&(0x7f000043fff8)={0x19980330}, &(0x7f0000be5000)) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x48f, &(0x7f0000000000)={0xff, @local={0xac, 0x14, 0x14, 0xaa}, 0x4e20, 0x1, 'sh\x00', 0x3, 0x0, 0x7c}, 0x2c) setsockopt$inet_opts(r0, 0x0, 0x800400000484, &(0x7f0000e27fd4), 0x0) 2018/05/11 20:20:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x3, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:41 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='pagemap\x00') bind$alg(r0, &(0x7f0000466000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-cipher_null\x00'}, 0x58) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x710, 0x70bd2b, 0x25dfdbfe, {0x9}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000844}, 0x40000) r3 = accept4$alg(r0, 0x0, 0x0, 0x80800) sendfile(r3, r1, &(0x7f0000807000), 0xffffffff) 2018/05/11 20:20:41 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xffff8801bf8600ff) [ 255.533954] IPVS: set_ctl: invalid protocol: 255 172.20.20.170:20000 sh 2018/05/11 20:20:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x4, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:42 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000040)={0x0, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x6df6, 0xd4, 0x6, 0x4, 0x1}, &(0x7f0000000140)=0x98) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000180)={r2, @in={{0x2, 0x4e22, @broadcast=0xffffffff}}, 0xa95, 0x6514}, 0x90) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000000)={0x1, 'ip6gretap0\x00'}, 0x18) setsockopt$IP_VS_SO_SET_STOPDAEMON(r1, 0x0, 0x48c, &(0x7f0000000100)={0x1, 'irlan0\x00'}, 0xfffffffffffffe5a) 2018/05/11 20:20:42 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x4) 2018/05/11 20:20:42 executing program 5: r0 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x3, 0x400) ioctl$DRM_IOCTL_CONTROL(r0, 0x40086414, &(0x7f0000000080)={0x1, 0x7f}) r1 = socket$inet6(0xa, 0x1001000000080001, 0x0) ioctl$TIOCSSOFTCAR(r0, 0x541a, &(0x7f0000000000)=0x3) mmap(&(0x7f000000e000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet6_buf(r1, 0x29, 0xcd, &(0x7f00000000c0)=""/84, &(0x7f00000002c0)=0x5b22ce19) 2018/05/11 20:20:42 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:42 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000100)=@in={0x2, 0x4e24, @multicast1=0xe0000001}, 0x10, &(0x7f0000000340)=[{&(0x7f0000000140)="8b9964c5a24eae52b747f7025bbff7c28104309f2facb797f292e391573fdbc682c590841e", 0x25}, {&(0x7f0000000180)="3e56ece59af298e19c4b30c257a84c0e06f0", 0x12}, {&(0x7f00000001c0)="d906fcff3e38dd9aa1c0e42005ad1ac037a8e6117f62fe3c6de0763b6283010162d8c32ddecdd8457f7a941918b2913833b10f56466483f9b96df03b29d8785b44b0ba1ef5a6eedae97af07e6991ec73c1d16a879ba0008beb0b5f526320ada4a5fa99f0c433da164747f36ba2d2e88f199a57dd83379226016bc7956625b4a11509236d02a0cc27c8a97bddbdee70a2da4bb41edbb2dec02a403679bfd421768968987444df96d4ea625811e8fdae1bdca20466547baeb28c181b5ea04418c1c07ea1f4ef", 0xc5}, {&(0x7f00000002c0)="60eac5669e51b289793dc0809e2cc5a198a85aa83b1d0d16bcd6f8cd06ae688b3556ff2fbae1c1b3cc9d97dd385bebcb802419625791525850f937e83d3bd6d77be11d66f7e50491", 0x48}], 0x4, &(0x7f0000000380)=[@authinfo={0x18, 0x84, 0x6, {0x8000}}], 0x18, 0x800}, 0x4008000) mount(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0)='sysv\x00', 0x104820, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000400)='/dev/snd/pcmC#D#p\x00', 0x20, 0x20000) accept$netrom(r0, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffc23) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000640)='/selinux/enforce\x00', 0x1, 0x0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f00000000c0)) 2018/05/11 20:20:42 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x100000000, 0x8000) socket$vsock_stream(0x28, 0x1, 0x0) ioctl$KVM_DIRTY_TLB(r0, 0x4010aeaa, &(0x7f00000000c0)={0xc30, 0xfff}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket(0x10, 0x400000802, 0x0) write(r1, &(0x7f0000000040)="1f0000004afce7b03e0d1c9ddc8eb70007010a000008ff0a3f8000fe44195100000000000000", 0x26) 2018/05/11 20:20:42 executing program 1: r0 = syz_open_dev$sndpcmc(&(0x7f0000001240)='/dev/snd/pcmC#D#c\x00', 0xa7, 0x2000) getsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000001400)=0x9, &(0x7f0000001440)=0x2) pipe(&(0x7f0000000080)={0xffffffffffffffff}) pwritev(r1, &(0x7f0000001380)=[{&(0x7f00000000c0)="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", 0x1000}, {&(0x7f00000010c0)="48fdbad4832c01337ddf1cb9665e46226d0cdc8127d257fcf3a38c6dbabd8d4ceaad3ea65d64f9a1d44d86e7b795747b8f9575dc6b1ce3f19f5574518a270eecfe800a44fbc8f3d4be625762c4232b0a4f47ae1271787c87efb647aa1105ea6500383b3d0b95355a9e7d0928e2eb4b6d38d434d377fcc3", 0x77}, {&(0x7f0000001140)="66e8de50eceac9d4ebec7b1862e2fea9f2a55e2b8ab3562583c5ce0553b5167a14e49f013cf92f2c2dfcf80bef025371eb36eec3c703ab24fc2a381eed2f956b2758f582fa5d118671ece2df9d921384d0adafd00860a32b71ea157f13fd266460395b9d567bcba9d879a3ab33793b1f04994184c110c5dc913775ad4fb38c4eb8f11243e77e54a9505c3717a1e8916a96", 0x91}, {&(0x7f0000001200)="f938f41b3ee5f35ec350b0b05940bd1b7976a2e1564e8b915bda9c17dbc1529afb6486418fb45c", 0x27}, {&(0x7f0000001240)}, {&(0x7f0000001280)="b3e82ade0eb994673949c7197f77ffe6a72eb7cf397c99edf2e6b65e670f311f698c76c74f29c88198ef9c15f5bd57b8554faa58f072a991f0c4ac67da6347869090c6dea1d2c9d6ff84bb74436e5492d3b24daf593f83cf6663c1c6da69d957d24e44791ab7818f2d69311b5e5a950cf9c91a9e176fa18b5e68db6b52ff27fd7096b14fe3dc1478abd2b4d5cd996666edbf5618fa38f081f6ddd35a2d8d1a537395ac31fccc8483118bfcced0d64220d0d93ce913368eb4351936060619c889ead4bce7e41389c927b9095b727583a1c8a4f40b11831441c44f1814eb36f31c01532512748477f996f479f5d41773df8b3898942ac0a8", 0xf7}], 0x6, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f00004aeff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000000)="73176e5dd16484fbddb55f276c60da8b919a9f8de9f48e9b33fc81280151f7d43a2f438b315c5a77036f60300a53afc51778d29b8c3656b86dd42746373870938b9d280f028b6620a3995344") ioctl$TIOCCBRK(r2, 0x5428) 2018/05/11 20:20:42 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530fffffdfd00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:42 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x74, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:42 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x5, 0x3, 0x4, 0x6}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f00000000c0)="9c6ae3c5f0e5fd16be9d35ea681db03f90b0effcb6b21a381d0d3b4f97b9dcd305adf547cd7b2e10a61a49489ea70c088c4089349676b2845b0aae924c48abbadee524f5", &(0x7f00000000c0)}, 0x20) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000080)={r0, &(0x7f0000000040)}, 0x10) [ 256.400085] IPVS: sync thread started: state = MASTER, mcast_ifn = ip6gretap0, syncid = 0, id = 0 2018/05/11 20:20:42 executing program 6: mkdir(&(0x7f000000dff8)='./file0\x00', 0x0) mount(&(0x7f000001fff8)='./file1\x00', &(0x7f0000015ff8)='./file0\x00', &(0x7f0000000040)='ramfs\x00', 0x3, &(0x7f000001f000)) r0 = openat(0xffffffffffffff9c, &(0x7f0000012ff8)='./file0\x00', 0x0, 0x0) socket$bt_hidp(0x1f, 0x3, 0x6) acct(&(0x7f0000000000)='./file1/file0\x00') renameat(r0, &(0x7f0000020ff2)='./file1\x00', r0, &(0x7f0000002000)='./file0\x00') ioctl$sock_ifreq(r0, 0x891f, &(0x7f00000000c0)={'gretap0\x00', @ifru_settings={0xb285, 0x77ad8d6d, @fr=&(0x7f0000000080)={0x2, 0x0, 0x8, 0xffe, 0x4, 0x4, 0x200000000000}}}) 2018/05/11 20:20:42 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='hugetlb.2MB.limit_in_bytes\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:42 executing program 3: mkdir(&(0x7f000082f000)='./control\x00', 0x0) creat(&(0x7f00000000c0)='[Ocontro:\x00', 0x400000000008000) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x20000, 0x0) r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mount(&(0x7f0000000440)='[Ocontro:\x00', &(0x7f0000000080)='./control/file0\x00', &(0x7f00000004c0)='ceph\x00', 0x0, 0x0) 2018/05/11 20:20:42 executing program 6: io_setup(0x80, &(0x7f0000990ff8)=0x0) r1 = syz_fuseblk_mount(&(0x7f0000631000)='./file0\x00', &(0x7f0000947ff8)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x3, 0x0) io_submit(r0, 0x2, &(0x7f0000000080)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, r1}, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000700), 0xffffffffffffff4e}]) r2 = dup(r1) setsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f0000000100)=0x7fffffff, 0x4) r3 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000140)=0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000200)=0xc) poll(&(0x7f0000000240)=[{r2}, {r2, 0x40}, {r2, 0x4000}, {r3, 0x44}], 0x4, 0x9ee) r5 = getuid() ioctl$DRM_IOCTL_GET_CLIENT(r2, 0xc0286405, &(0x7f0000000180)={0xf66b, 0x2, r4, 0x8, r5, 0x101, 0x2, 0x5}) getsockopt$sock_int(r3, 0x1, 0xa, &(0x7f00000001c0), &(0x7f00000000c0)=0x4) 2018/05/11 20:20:42 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x3a, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:42 executing program 3: r0 = syz_open_dev$dspn(&(0x7f0000000140)='/dev/dsp#\x00', 0x49, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20010000003, 0x0, 0x3, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, r0, 0x0) syz_open_dev$urandom(&(0x7f0000000100)='/dev/urandom\x00', 0x0, 0x301040) io_setup(0x8000, &(0x7f0000000180)=0x0) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='sessionid\x00') ioctl$FIONREAD(r2, 0x541b, &(0x7f0000000080)) io_setup(0x7, &(0x7f00000000c0)) io_getevents(r1, 0x1, 0x1, &(0x7f00000001c0)=[{}], &(0x7f0000000200)={0x0, 0x1c9c380}) 2018/05/11 20:20:43 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='net/igmp6\x00') bind$alg(r0, &(0x7f0000466000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-generic\x00'}, 0x58) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) sendfile(r2, r1, &(0x7f0000a2effc), 0x8) r3 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r4 = openat$cgroup_int(r3, &(0x7f0000000080)='io.bfq.weight\x00', 0x2, 0x0) pwritev(r4, &(0x7f0000001740)=[{&(0x7f00000002c0)="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", 0xfa}, {&(0x7f00000003c0)="8b04687f4fae559c72c54f13f30be85b7404790332550c12155d2087f5e7710906df1468bfc35a9eb9beb31c067c6690c08b2f63693f4665822b8a554ca44bc0c94517961a25f5a3cda1a61de69e05a7778486061f8c4d1d8c3ca22ffc332a57ca82280d333918af3b097f3cf61d4ad09f2cdac036af9a3bbd25563e6d89e9d867dd3a4a7a19048e03bfd1f1e0064b5d068ef9179b39e3bdbe5f25a21be4ba4a6cbd25ceb31331cce945f695a755066f57368a0d84d93892fbcac1b46f2f1cf03ee237b136c8cec53f7308f204223a2b5fbc848bc2825f84bc3bc0a44e", 0xdd}, {&(0x7f00000004c0)="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", 0x1000}, {&(0x7f00000001c0)="b37237d3cdf70a1213a3c99c6bd0978e6d44ae6f30eb37c4137d64a33b0dc6ea28f214605aaa8ccbe4a975a6e8ef5ad98bf5133c7ea55cf615a6dc38be6918ae6133d74acf195e5189cf758ac9bb0505071418cefa79ff4e9ff01b9e0c405b38acfb6c64b21fa596353f49099d738bbaacdbd8eb22bb083c1ab80f8de6ad4629f5939289bc65d7695b6b79607b030d533ac3", 0x92}, {&(0x7f00000014c0)="6a8e674ad31437ff797369bffa092a6ad8c84d32c402a47713d69dd0e39b4bfcd24746bc78e1fe398d54db1af53d543438f57436002eb240de440fb842d8cd86914f1a118d9ee9499082134a245a211421685e0af603f0ed8b0d1d1043b1c707e42660570835d80e561a94ce4b3bc4b094145174bb164330ae18151bba138970b1c09a4f1c8fda43255fb2888482781066e2142e1a58097740cacaa08169ce79c8e98fffd206f8473a6f2bed9e5f21f035aad4f533882f8985", 0xb9}, {&(0x7f0000001580)="adb522440e04f0a29ac58cb71a2eeed120a94d45d00a045ed99506f3c7b82581238245c48db0fb34783f7019db8560859bedd737d5f68324831ea269a2f0c5b9af9d146f8924075c51759bc65a7531c22d8f89979d42f2fee77b212b22e1225f5753c0797a24fddd2bf85e58a762d454f7328696799a194fb91fd487ed264fc2657956579edfd613645b41e8e0d33aa0a084f1e730ce74cc5e31d3b670745cc12250724e98abe838321553828ab7e4209f53b55efd553fd52f2e2e7fbd2799e37d30d0", 0xc3}, {&(0x7f0000001680)="c4c4703a112af0c82b4bf624b34ca9768852438647c300a63c149f56424b3f7f77c2464c9a826a78a500b9194e0c52369f05e685195e122670e514c2dc1e37202101bda562031da7b5cd0b7720ecf611050f03b63d8e2922eac57c3f6558bc75bc41c87257faaa2ed57e0fa91697a51e373cc61922b41602cbdf3a11910013b67a537a392afbdb280c09741ae3755e3ea28258e620", 0x95}, {&(0x7f0000000040)="8f167b36ca41a857911642409dd896c038623c5b0b53c0242c9aca94126b4167f61aee8e01d2", 0x26}], 0x8, 0x0) socket$can_bcm(0x1d, 0x2, 0x2) r5 = socket(0xa, 0x1, 0x0) ioctl(r5, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r6 = dup3(r4, r3, 0x0) sendfile(r4, r6, 0x0, 0xff) 2018/05/11 20:20:43 executing program 6: r0 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/full\x00', 0x80, 0x0) accept(r0, &(0x7f0000000280)=@in6={0x0, 0x0, 0x0, @remote}, &(0x7f0000000100)=0x80) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={"6c6f00aeabd1cd0000000000f9ff00", 0x0}) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000140)=@ipv4_newaddr={0x20, 0x14, 0x1, 0x0, 0x0, {0x2, 0x18, 0x0, 0xc8, r2}, [@IFA_LOCAL={0x8, 0x2, @dev={0xac, 0x14, 0x14}}]}, 0x20}, 0x1}, 0x0) 2018/05/11 20:20:43 executing program 1: sendmmsg(0xffffffffffffffff, &(0x7f0000003e80)=[{{&(0x7f0000000040)=@in6={0xa, 0x4e20, 0x3, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000000300), 0x0, &(0x7f0000000340)}}, {{&(0x7f0000000e80)=@ipx={0x4, 0x0, 0x0, "85016dfe9b78"}, 0xc7, &(0x7f0000000f80), 0x0, &(0x7f0000002480), 0xdd}}], 0x2, 0x0) r0 = socket$inet_dccp(0x2, 0x6, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @rand_addr=0x20}, 0x10) 2018/05/11 20:20:43 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket(0xa, 0x802, 0x0) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_int(r1, 0x0, 0x12, &(0x7f0000000040), 0x4) 2018/05/11 20:20:43 executing program 5: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x8080, 0x0) mkdir(&(0x7f000084bff8)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0//./..\x00', &(0x7f0000000040)='./file0//./..\x00', &(0x7f0000000080)='mqueue\x00', 0x0, 0x0) open(&(0x7f0000000380)='./file0//./..\x00', 0x0, 0x0) bind$llc(r0, &(0x7f00000000c0)={0x1a, 0x10f, 0x80, 0xffff, 0x80000000, 0xd4, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1b}}, 0x10) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000)=0x8, 0x4) getxattr(&(0x7f0000000180)='./file0//./..\x00', &(0x7f00000001c0)=@random={'system.', '\x00'}, &(0x7f0000000200)=""/197, 0xc5) ioctl$KVM_REINJECT_CONTROL(r0, 0xae71, &(0x7f0000000140)={0x1000}) ioctl$DRM_IOCTL_RES_CTX(r0, 0x40085112, &(0x7f000000b000)={0x5, &(0x7f000000cfc8)=[{}, {}, {}, {}, {}]}) ioctl$KDSETLED(r0, 0x4b32, 0x401) sync() ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0xc058534f, &(0x7f0000000040)={{0x7fffffff, 0x800}, 0x1, 0x8, 0x5, {0xfff, 0x7ff}, 0x8000, 0x7}) 2018/05/11 20:20:43 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530fdfdffff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:43 executing program 3: r0 = socket(0x2, 0x6, 0x0) listen(r0, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in6={{0xa, 0x4e24, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x400}}, 0x620, 0x7, 0x7, 0x3f, 0x42}, &(0x7f0000000140)=0x98) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={0x0, 0xda7, 0x30}, &(0x7f0000000200)=0xc) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x10d, 0x10, &(0x7f0000000180)=@assoc_value={r1, 0x9c}, 0xffffff9f) 2018/05/11 20:20:43 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x84, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:43 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x2, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:43 executing program 6: perf_event_open(&(0x7f0000000200)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mouse(&(0x7f00000002c0)='/dev/input/mouse#\x00', 0x4, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000480)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000400)=0xe4) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000440)={r1, 0x1}, 0x8) r2 = inotify_init1(0x0) r3 = dup3(r2, r2, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000280)={0x6, 0x5, 0x3ff, 0x3, 0xdd}, 0x14) readv(r2, &(0x7f0000000080)=[{&(0x7f0000000040)=""/52, 0x34}], 0x1) r4 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) readv(r2, &(0x7f00000001c0)=[{&(0x7f00000000c0)=""/227, 0xe3}], 0x1) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xfffffffffffffffe, 0x32, 0xffffffffffffffff, 0x0) tkill(r4, 0x1000000000016) 2018/05/11 20:20:43 executing program 3: mmap(&(0x7f0000000000/0xeef000)=nil, 0xeef000, 0x0, 0x36, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x8e3000)=nil, 0x8e3000, 0x3, 0x8032, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x41, &(0x7f00008e2fba)="958e392937a186d6306a3615593baa57ff0002060000000000079ab4d5ed5cff03000000000000ffff8dffff080cf4eacc49d4df311e370043159379595d0000000000000093bffffffeffbd03ba89734f4e49fda5060255", 0x58) 2018/05/11 20:20:43 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x29, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:43 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x10, 0x0, 0x6}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000100)={{&(0x7f0000000040)=""/38, 0x26}, &(0x7f0000000080), 0x3a}, 0x20) r2 = syz_open_dev$midi(&(0x7f0000000380)='/dev/midi#\x00', 0x10001, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f00000003c0)={0x0, 0xffff, 0x200, 0xe9e8, 0x0, 0x6, 0x7, 0x0, 0x0}, &(0x7f0000000400)=0x20) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000440)={r3, 0x1, 0x3}, &(0x7f0000000480)=0x8) sendmsg$key(0xffffffffffffffff, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000182000)={&(0x7f00000001c0)={0x2, 0x4000000000000d, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, [@sadb_x_policy={0x8, 0x12, 0x0, 0x3, 0x0, 0x0, 0x0, {0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @in=@multicast1=0xe0000001}}, @sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, @sadb_lifetime={0x4, 0x3, 0x4}]}, 0xa0}, 0x1}, 0x0) chroot(&(0x7f0000000140)='./file0\x00') r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000002c0)=0x14) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(0xffffffffffffffff, 0x84, 0x15, &(0x7f0000000180)={0x3}, 0x1) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) 2018/05/11 20:20:43 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)="2e2f6367726f757000680d1203b3d8ba8404728b39fa7068c36ace0d3b0439fc80d23ac6a264d025310d91294f5ec3b0636060e7d6cd3c4f8b70f686c210fcca1513375dff5defbaf2", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000100)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000140)={r0, 0x2, 0x1, 0x675e, &(0x7f0000000040)=[0x0], 0x1}, 0x20) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") setsockopt$RDS_FREE_MR(r2, 0x114, 0x3, &(0x7f0000000000)={{0x200, 0x3}, 0x10}, 0x10) dup3(r1, r0, 0x0) sendfile(r2, r0, 0x0, 0xff) 2018/05/11 20:20:43 executing program 3: r0 = socket$inet6(0xa, 0x802, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e20, @rand_addr=0x7}}, 0xffff, 0x7, 0x100, 0x0, 0x8}, &(0x7f00000000c0)=0x98) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000180)={r1, 0x8}, &(0x7f0000000140)=0xfdb8) setsockopt$inet6_opts(r0, 0x29, 0x6, &(0x7f0000607000)=ANY=[@ANYBLOB="00d4fa363f0000"], 0x8) getsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000556000)=""/4096, &(0x7f00003c9000)=0x1000) 2018/05/11 20:20:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x32, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:44 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='notify_on_release\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x80000) sendfile(r1, r3, 0x0, 0xff) fcntl$dupfd(r1, 0x0, r3) 2018/05/11 20:20:44 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = syz_open_dev$binder(&(0x7f0000013000)='/dev/binder#\x00', 0x0, 0x802) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000240)={0x8, 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="0c630000f2620000"], 0x0, 0x0, &(0x7f0000000340)}) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0xa0100, 0x0) ioctl$FUSE_DEV_IOC_CLONE(r2, 0x8004e500, &(0x7f0000000080)=r2) ioctl$KVM_GET_VCPU_EVENTS(r2, 0x8040ae9f, &(0x7f0000000040)) 2018/05/11 20:20:44 executing program 5: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) linkat(0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) fsync(0xffffffffffffffff) write(r3, &(0x7f00000001c0), 0xfffffef3) vmsplice(0xffffffffffffffff, &(0x7f0000001280), 0x0, 0x0) unlinkat(r0, &(0x7f0000000080)='./file0\x00', 0xbe8057103697cad6) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000140)=0x3, &(0x7f00000001c0)=0x4) read(r2, &(0x7f0000000300)=""/250, 0xfa) fsync(r0) getsockopt$inet_dccp_buf(r1, 0x21, 0xc, &(0x7f0000000cc0)=""/4096, &(0x7f0000000200)=0x1000) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f00000000c0)=0x8aa) write(0xffffffffffffffff, &(0x7f0000000c80)="c2cc24359e1571f0f200b40cb3df8ca9d271b173a27bc638a3d349f1", 0x1c) tee(r2, r1, 0x8, 0x0) 2018/05/11 20:20:44 executing program 1: openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x38000, 0x0) perf_event_open(&(0x7f000001d000)={0x8, 0x70, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) 2018/05/11 20:20:44 executing program 6: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000001500)='/dev/qat_adf_ctl\x00', 0x100, 0x0) r1 = getpid() ioctl$sock_FIOSETOWN(r0, 0x8901, &(0x7f0000001540)=r1) r2 = socket(0xa, 0x1, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f00000003c0)={0x0, 0x5, "3e948fdf45"}, &(0x7f0000000400)=0xd) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r2, 0x84, 0x6d, &(0x7f0000000440)={r3, 0x1000, "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"}, &(0x7f0000001480)=0x1008) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f00000014c0)={0xaa, 0x1}) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r5, 0x84, 0x1e, &(0x7f0000013e95), 0x4) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4400000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0xd8, r6, 0x400, 0x70bd2b, 0x25dfdbfc, {0x4}, [@IPVS_CMD_ATTR_DAEMON={0x58, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x15}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'teql0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local={0xfe, 0x80, [], 0xaa}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x1000}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0xdb}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8001}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @remote={0xac, 0x14, 0x14, 0xbb}}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'bridge_slave_0\x00'}]}, @IPVS_CMD_ATTR_DEST={0x34, 0x2, [@IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e20}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x283}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x100}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}]}, 0xd8}, 0x1, 0x0, 0x0, 0x4}, 0x40040) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000040)={'bridge0\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="000000000000000000000000000000000000000000d6c603f5ee321ddb1dc39979347c3381010bea1acd1d4a8c92b217e7c6c7ec266a3a9422b77196e63c87d82dac90d5766105626d5766bc022ed94668b5999d36d424acb9a3dd3787899b6ea3461cb09353759288298ee87a8148a0a2a263f315f712a80d8c8e6019ebfa99f805af1f87e82cf78098465ac137e3e609225a86adedb8be10f46378ed16b105a0ea44e448cc71"]}) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000080), 0x10) close(r5) close(r4) 2018/05/11 20:20:44 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000000fffffdfd00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:44 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000ff5000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000040)={0x1, 0x2, 0x2, 0x1000, &(0x7f0000ff6000/0x1000)=nil}) delete_module(&(0x7f0000000080)='/dev/kvm\x00', 0xa00) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0x200001, 0x0) ioctl$sock_bt_cmtp_CMTPCONNDEL(r3, 0x400443c9, &(0x7f0000000100)={{0x7ff, 0x800, 0x9, 0x1, 0x6, 0x7}, 0x2d2a}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000280)=ANY=[@ANYBLOB="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"]) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$VHOST_VSOCK_SET_RUNNING(r3, 0x4004af61, &(0x7f0000000180)=0x1) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 258.302209] binder: 16238:16245 unknown command 25330 2018/05/11 20:20:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0xffffff89, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:44 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8915, &(0x7f0000000080)="c601244eca72f22f1795a60d01243d24135b1d64fa78ed44bd9fff016f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) setsockopt$inet_tcp_TLS_RX(r2, 0x6, 0x2, &(0x7f0000000000)={0x303, 0x33}, 0x4) [ 258.325335] binder: 16238:16245 ioctl c0306201 20000240 returned -22 [ 258.332328] QAT: Invalid ioctl [ 258.358290] binder: 16238:16245 unknown command 25330 2018/05/11 20:20:44 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$sock_bt_bnep_BNEPGETCONNINFO(r2, 0x800442d3, &(0x7f0000000000)={0x3ff, 0xfffffffffffffff9, 0x100000001, @link_local={0x1, 0x80, 0xc2}, 'sit0\x00'}) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x3c, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 258.379350] binder: 16238:16245 ioctl c0306201 20000240 returned -22 2018/05/11 20:20:44 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") pipe(&(0x7f0000000000)) remap_file_pages(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x3000008, 0x0, 0x0) 2018/05/11 20:20:44 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") openat$cgroup_subtree(r0, &(0x7f0000000000)='cgroup.subtree_control\x00', 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x33, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:44 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) setsockopt$packet_int(r2, 0x107, 0x10, &(0x7f0000000000)=0x9, 0x4) r3 = socket(0x10, 0x802, 0x0) write(r3, &(0x7f0000000040)="220000001800070700be0200090007000205001e00000009000eff0005000f80ff00", 0x22) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = shmget$private(0x0, 0x4000, 0x2, &(0x7f0000ffa000/0x4000)=nil) shmctl$IPC_STAT(r4, 0x2, &(0x7f0000000080)=""/14) r5 = dup3(r1, r0, 0x0) socket$inet_dccp(0x2, 0x6, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:45 executing program 3: mkdir(&(0x7f000063543e)='./file0\x00', 0x0) creat(&(0x7f00000001c0)='./file0/file0\x00', 0x2) mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='cgroup2\x00', 0x0, 0x0) chroot(&(0x7f0000000240)='./file0/file0\x00') mount(&(0x7f0000000000)='./file1\x00', &(0x7f0000000100)='./file0/file0\x00', &(0x7f0000000140)='selinuxfs\x00', 0x0, &(0x7f0000000180)="3ae61a") mount(&(0x7f00008bcff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x5000, 0x0) pivot_root(&(0x7f0000001480)='./file0\x00', &(0x7f0000001400)='.') 2018/05/11 20:20:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x9, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:45 executing program 1: getrandom(&(0x7f00000000c0)=""/54, 0x36, 0x1) syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:45 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r2, 0x400448c9, &(0x7f0000000100)={{0x2, 0x2, 0x1f, 0x5, 0x4, 0x3f}, 0x899f}) getsockopt$inet_sctp6_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f00000003c0)={0x0, 0x3, 0x100000001, 0x1, 0x2, 0x7ff, 0x800, 0x3, {0x0, @in={{0x2, 0x4e23, @loopback=0x7f000001}}, 0x10000, 0x2, 0x800, 0x6, 0xfffffffffffffffe}}, &(0x7f0000000240)=0xb0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e20, @rand_addr=0x5}}, 0xffffffff7fffffff, 0xfff, 0x3, 0x100, 0x9}, &(0x7f00000005c0)=0x98) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f0000000680)={0x0, 0x76, "f85e0d8cd31471b0db1da6758f29d265c8a416160ca31ad73b0b18eb57cacd134188a33e1a04596b4c2f2cb5ed3adcc27b2ef4a6f414882c5cca957a20431f134b9b287777cbff8ad32cc877346e19b2a6ee5b8da3d9d315a496ffe42d508b19f1616adfc767ef4c832976a419d1cd861d7a89f38b28"}, &(0x7f0000000700)=0x7e) getsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000740)=@assoc_value={r4, 0x5c0}, &(0x7f0000000780)=0xfffffffffffffe37) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r2, 0x84, 0x70, &(0x7f00000007c0)={r3, @in={{0x2, 0x4e20, @broadcast=0xffffffff}}, [0x1, 0x3ff, 0x7, 0x7fffffff, 0xd3, 0x7fffffff, 0x6, 0x3, 0x1, 0x2, 0x401, 0x81, 0x1000, 0x2, 0x2000100]}, &(0x7f00000000c0)=0x100) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = dup3(r1, r2, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:45 executing program 6: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_refresh_period\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x2e98}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f00000000c0)={r1, 0x5, 0x6}, &(0x7f0000000100)=0x8) 2018/05/11 20:20:45 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x80000000000024, 0x0, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r1, 0x40045532, &(0x7f0000000080)=0x2) lseek(r1, 0x0, 0x3) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f0000000040)={0x0}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000100)={r2, 0x80000, r0}) sendmmsg$alg(0xffffffffffffffff, &(0x7f0000236fc8), 0x0, 0x0) lseek(r0, 0x0, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x2, 0x0) delete_module(&(0x7f0000000140)='/dev/snapshot\x00', 0x800) 2018/05/11 20:20:45 executing program 5: r0 = socket(0xa, 0x1, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x101000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r1, 0xc0a85322, &(0x7f00000000c0)) ioctl(r0, 0x8912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x13fe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/05/11 20:20:45 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00\x00\x00\x00\x00\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:45 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$sock_bt(r2, 0xdd17, &(0x7f0000000080)="849b057637d82d98a57e3ac1f22180974262c8a08082409cb01834aa2e7552f2ece8e16099010978fe3e56fb93a29e5630e55ed374c280ebbf2b4ebb61f2a15ec70097d70289e64672146c9c5a7c6dcec1f27ceb2c2180366686f4a7f734e37b17778271049ab5cfccde4c2a9ffe18a07c7baac66cf2008aea7676eb761d091a1eaac114aedf04ebb7cb3a") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) getsockopt$inet_sctp_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x1, 0x84, 0x6285, 0x101, 0xfa5d}, &(0x7f0000000140)=0x14) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r3, 0x84, 0x77, &(0x7f00000001c0)={r4, 0x9479, 0x2, [0x8001, 0x8]}, 0xc) 2018/05/11 20:20:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x3, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:45 executing program 6: r0 = syz_open_dev$vcsn(&(0x7f00000000c0)='/dev/vcs#\x00', 0x6, 0x400) accept$packet(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000140)=0x14) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000180)={@loopback={0x0, 0x1}, @empty, @local={0xfe, 0x80, [], 0xaa}, 0x1ff, 0x0, 0xd0c, 0x100, 0x6, 0x10000, r1}) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'bond0\x00'}) syz_emit_ethernet(0x0, &(0x7f0000000140)=ANY=[], 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x1) ioctl$KVM_SET_MSRS(r4, 0x4008ae89, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000071000040be000000a38dda"]) 2018/05/11 20:20:45 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x3, &(0x7f0000002000)=@framed={{0x18}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, &(0x7f0000000100)=r0, 0xfffffc61) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$cgroup_pid(r1, &(0x7f00000000c0)={[0x38, 0x34, 0x39, 0x35]}, 0x4) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000011fd4)={0x3, 0x4, 0x4, 0x1, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000200)={r2, &(0x7f0000000040), &(0x7f0000000100)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000300)={r2, &(0x7f0000000240), &(0x7f0000000280)=""/71}, 0x18) 2018/05/11 20:20:45 executing program 5: ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000002000)={0x0, 0x0, 0x0, 0x1c3}) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000002000)=ANY=[@ANYBLOB="18000700000000000000000000004800070000000000000000000000000000009500000000000000"], &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) 2018/05/11 20:20:45 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) ioctl$sock_proto_private(r3, 0x89e1, &(0x7f0000000080)="0e8326eff54d813791cd8db47d110d311f550e074da2efe8a90ba0ede3d744650b674d8d283ba80444d84b01fee06a348cc6c36d5cbc6bc4d35cba71be4177200c9a400f86572779d6c29c936d87ae34099ffd2386fc164dd86d4ef29a57963915d8ef8e60b30dd526e68b107b3c4ca349b6293f871048813d4789cc82d3cecd2dc52a52bbc8e9703e5b8aaba5711f476e94bbbf28370c0ced91bfcc3dea2b994d4372113c96c10ab95efac6f1001b9428657a2bea4fb83a58ba89dc628769a697d19ef0e4b2836c5131a2127a2e90cb674a98b1b94117eae486f8c833537a4d420ce5457a7aaede7b13d0f8") 2018/05/11 20:20:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x3b, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:45 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0xffffffffffffffff) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={r0, 0x2, 0x1, 0x5, &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8}, 0x20) sendto$inet(r2, &(0x7f0000000080)="80b39df390036b2793c6c89826ebbd7e9ecbe0adf8e6f72739cb5f7b18136d7eb7bb9e68b59ac70607e1e5dc76ec5cd97e390e813d55368d13a5c143a2e12a3f4dc80fb5928d154b9142a34c8e15a107e22b4b07351a9bf56a8341c6ac54bf8d3b0399bed543e67eec89b38d7916d1583ab72fe0364e71d7ffc0baa9b19e96359e0a", 0x82, 0x4000, 0x0, 0x0) dup(r2) sendfile(r1, r3, 0x0, 0xff) setsockopt$inet_int(r2, 0x0, 0x5, &(0x7f0000000000)=0x4, 0x4) modify_ldt$read_default(0x2, &(0x7f00000002c0)=""/134, 0x86) 2018/05/11 20:20:46 executing program 5: r0 = syz_open_dev$evdev(&(0x7f0000000100)='/dev/input/event#\x00', 0x6, 0x182) write$evdev(r0, &(0x7f0000000040)=[{{}, 0x1, 0x48, 0x2}, {{0x77359400}, 0x7}], 0x30) r1 = dup3(r0, r0, 0x80000) recvfrom$llc(r1, &(0x7f0000000140)=""/4096, 0x1000, 0x40010000, 0x0, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000000c0)={r1}) 2018/05/11 20:20:46 executing program 6: r0 = userfaultfd(0x80000) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000842fe8)={0xaa, 0x6}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000e90000)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) clone(0x600, &(0x7f0000687000), &(0x7f0000b4c000), &(0x7f00000001c0), &(0x7f00007a4f71)) r1 = dup3(r0, r0, 0x80000) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000000)=0x9, 0x4) close(r0) 2018/05/11 20:20:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x5, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:46 executing program 1: getrandom(&(0x7f00000000c0)=""/54, 0x36, 0x1) syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:46 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) poll(&(0x7f0000000080)=[{r0, 0x8011}], 0x1, 0x1) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:46 executing program 3: r0 = epoll_create1(0x0) r1 = fcntl$dupfd(r0, 0x0, r0) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000d36ff4)) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc\x00', 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r3, &(0x7f0000000240)) ioctl$EVIOCSABS20(r1, 0x401845e0, &(0x7f0000000000)={0x9, 0x5, 0x8001, 0x400, 0x3ff, 0xbb}) dup2(r3, r2) 2018/05/11 20:20:46 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000000000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) io_setup(0x83f5, &(0x7f00000000c0)=0x0) io_getevents(r1, 0x2, 0x2, &(0x7f0000af2fc0)=[{}, {}], &(0x7f0000fa5ff0)={0x0, 0xfffffffffffff000}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r1, 0x1, &(0x7f0000c32000)=[&(0x7f000036dfc0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000d70f92)}]) 2018/05/11 20:20:46 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$PIO_FONT(r1, 0x4b61, &(0x7f0000000080)="eaf9d972a8a673f1560ffb751b02146776a5cbfa0074170c8a6fbbdb511ab1691996fac96af7622c18cb972f690867f45b017280f5adc444df7fc38e893ac7e71c896b9f6dcc929010cbcf53a6cb187c225c7afe2381470d0eba3b9997c695b39ab8a3bc399c98c8f7d778cd3ec7e829a9e8954ef7cba9ce9588a588a67f4e866bcf60f8f3847e1ee562f2d7e57a27bcd9fda025de3e655aa2fbc70be5e5") 2018/05/11 20:20:46 executing program 3: r0 = perf_event_open(&(0x7f0000d2af88)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = geteuid() stat(&(0x7f0000000100)='./bus\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r0, r1, r2) r3 = socket$inet6(0xa, 0x400000000001, 0x0) r4 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r6 = syz_open_dev$sndmidi(&(0x7f0000000600)='/dev/snd/midiC#D#\x00', 0x7, 0x4800) bind$inet6(r5, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f000010ef70)={@random="cd390b081bf2", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@dest_unreach={0x1, 0x0, 0x0, 0x0, [], {0x0, 0x6, "d5cae2", 0x0, 0x3a, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, [], "f601929f106531aa"}}}}}}}, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x19, &(0x7f000074fffc)=0x6, 0xa3) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r3, 0xc05c5340, &(0x7f0000000200)={0x4, 0x8, 0x100000000, {0x77359400}, 0x1f, 0x100000000}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) msgctl$IPC_SET(0x0, 0xd, &(0x7f00000000c0)) syz_open_dev$binder(&(0x7f0000000280)='/dev/binder#\x00', 0x0, 0x0) r7 = dup(r3) openat(r6, &(0x7f0000000080)='./bus\x00', 0x80000, 0x22) setsockopt$inet6_tcp_TCP_MD5SIG(r3, 0x6, 0xe, &(0x7f00000004c0)={@in={{0x2, 0x4e23, @loopback=0x7f000001}}, 0x1, 0x1, 0x784, "f1b4f630b861db5ccfdc8cb116a410b16c12e3c2503658e3efd53e52d2dbf79fdd2f22add99ae3e724e219bdf46f0e1c7f085f3189cfe791c65d9088ca55d23ee7385dfa4bc0252e8c04e62eb6c09cad"}, 0xd8) setsockopt$inet6_tcp_int(r7, 0x6, 0x20000000000002, &(0x7f00007b1000)=0x81, 0x4) ioctl$int_in(r3, 0x5421, &(0x7f0000000000)=0xfc) bind$inet6(r3, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r7, 0x84, 0x14, &(0x7f00000003c0)=@int=0x7, 0x4) sendto$inet6(r3, &(0x7f0000e77fff), 0x2bd, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$DRM_IOCTL_AGP_ENABLE(r7, 0x40086432, &(0x7f0000000140)=0x380) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r7, 0x84, 0x77, &(0x7f00000005c0)=ANY=[@ANYRES32=r5, @ANYBLOB="7f0006005a43fba6ff07000000000000c3aa819ec7e8b998472af2f51b879301f30a30160e13dbc2d97e9349328e50a595"], &(0x7f0000000440)=0x2) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r4, 0x84, 0x9, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e20, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x6}}, 0x60000000000, 0x400, 0x400, 0xa26, 0x68}, &(0x7f0000000480)=0x98) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r7, 0x84, 0x1, &(0x7f00000000c0)={r8, 0x5, 0x1, 0x100, 0x6, 0xac2}, 0x14) ioctl$sock_bt_bnep_BNEPCONNADD(r7, 0x400442c8, &(0x7f0000000800)=ANY=[@ANYBLOB="10b072336b4cee24b13502e38a9d9e8befd6a02c3d6b1e6742a7be78eda89a40d0e82f71c56907b4aa91931d0bee6a51efdf14c547c0cfb53bdc75a5", @ANYBLOB="1f00000029c5469648cb991166927d76ffbfb48c0ba15fa9a2cef2f9e0f4f15620a0116cf961e568882455531bce4cd1e3f79d254429510ff7e04889faea079415a24d022264226d35b6de3bb3d5589ce80959b97479e8b153706826c77b1c0219861a1cd6355eb0fd7efa140ae075fdef1fdc2f73e4af34140e40b3414ee2096bd534ae9f5fd10f5e80595cdbafb16767631a9dc4da6f28af1740ecf17927431b8a58646158bbe503e1d19c2f04cbf0612aa9ea9f1ad7325130a23748d6320c00000000"]) r9 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r9, 0x7fff) sendfile(r7, r9, &(0x7f0000000400), 0x8000fffffffe) 2018/05/11 20:20:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0xffffff84, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:46 executing program 5: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='comm\x00') prctl$seccomp(0x16, 0x1, &(0x7f0000000b40)) pkey_free(0xffffffffffffffff) lseek(r0, 0x2000000037, 0x3) 2018/05/11 20:20:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0xffffff88, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 260.259289] audit: type=1326 audit(1526070046.327:6): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16394 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x0 2018/05/11 20:20:46 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) getresuid(&(0x7f0000000000), &(0x7f00000000c0), &(0x7f0000000100)) ioctl(r2, 0x8912, &(0x7f0000000080)="294cf892f467d7285727e7") setsockopt$bt_BT_SECURITY(r2, 0x112, 0x4, &(0x7f0000000140)={0x10000}, 0x2) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$SG_GET_ACCESS_COUNT(r3, 0x2289, &(0x7f00000001c0)) [ 261.161237] audit: type=1326 audit(1526070047.229:7): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16394 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x0 2018/05/11 20:20:47 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x21, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:47 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000cb3ff8)='./file0\x00', 0x0) chroot(&(0x7f0000000040)='./file0\x00') mount(&(0x7f00005b9ff8)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='sockfs\x00', 0x1000, 0x0) chdir(&(0x7f0000cd2ff8)='./file0\x00') r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x10a40, 0x0) ioctl$KDDELIO(r0, 0x4b35, 0x80) symlink(&(0x7f0000ed6ffe)='..', &(0x7f0000000040)='../file0\x00') umount2(&(0x7f0000000000)='../file0\x00', 0x2) syz_open_pts(0xffffffffffffffff, 0x80000) ioctl$KDDELIO(r0, 0x4b35, 0x400000000001) open$dir(&(0x7f00000003c0)='../file0\x00', 0x0, 0x0) readlink(&(0x7f00000000c0)='./file0/file0\x00', &(0x7f0000000100)=""/93, 0x5d) 2018/05/11 20:20:47 executing program 2: r0 = socket$inet6(0xa, 0x3, 0xb) io_setup(0x6fd, &(0x7f0000c6b000)=0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x111400, 0x0) r2 = syz_open_dev$audion(&(0x7f0000000200)='/dev/audio#\x00', 0x6, 0x0) io_submit(r1, 0x1, &(0x7f00000000c0)=[&(0x7f0000928fc0)={0x0, 0x0, 0x0, 0x400000001, 0x0, r0, &(0x7f0000000180)="ecc2d6b9dda201253556022d9ed5d2aed70712e614631b8981c942faf06f66ea9539ceb8286a414cc1bd5c47e64e3621cfd54304ed3591b69059ff1ab58f815ce59f47d713f12f086c8ec3ab995420bea0484dc465d17fa37e92ff058d11dddc62cd04d93f3043", 0x67, 0x0, 0x0, 0x0, r2}]) 2018/05/11 20:20:47 executing program 1: getrandom(&(0x7f00000000c0)=""/54, 0x36, 0x1) syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:47 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)="2eff7dffffffffffff6370752f738a7a3100", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = getpid() r3 = getpgid(0x0) kcmp(r2, r3, 0x6, r1, r0) r4 = socket(0xa, 0x1, 0x0) ioctl(r4, 0x8913, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:47 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000000000100", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:47 executing program 6: r0 = socket$kcm(0x29, 0x2, 0x0) getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000540), 0x0) execve(&(0x7f0000000000)='./file0\x00', &(0x7f0000000200)=[&(0x7f0000000040)='GPL\x00', &(0x7f00000000c0)='\x00', &(0x7f0000000100)='\x00', &(0x7f0000000140)='keyring\x00', &(0x7f0000000180)='@\x00', &(0x7f00000001c0)=')-trusted\x00'], &(0x7f0000000300)=[&(0x7f0000000240)='posix_acl_access$\x00', &(0x7f0000000280)='ppp1\x00', &(0x7f00000002c0)='^\x00']) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={0xffffffffffffff9c, 0x2, 0x1, 0x9, &(0x7f0000000340)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xa}, 0x20) syncfs(r0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r1, 0x40485404, &(0x7f00000003c0)={{0x2, 0x2, 0x2, 0x3}, 0x8, 0x5}) ioctl$EVIOCGPHYS(r1, 0x80404507, &(0x7f0000000440)=""/203) 2018/05/11 20:20:47 executing program 5: r0 = socket$packet(0x11, 0x800000000000001, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f000095bffc)={0x0, 0x0, 0xfffffffffffffffa}, 0x24f) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/ppp\x00', 0x109000, 0x0) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f0000000400)={0x0, 0x3}) bind$inet(r1, &(0x7f0000653ff0)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={0x0, 0x3ff}, &(0x7f0000000180)=0x8) accept4(r0, &(0x7f0000000240)=@sco, &(0x7f00000002c0)=0x80, 0x0) r4 = syz_open_dev$vcsn(&(0x7f0000000500)='/dev/vcs#\x00', 0x20, 0x200) fanotify_mark(r4, 0x2, 0xa, r2, &(0x7f0000000540)='./file0\x00') getsockopt$sock_int(r4, 0x1, 0x14, &(0x7f00000005c0), &(0x7f0000000600)=0x4) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000001c0)=@assoc_value={r3, 0x8}, &(0x7f0000000200)=0x8) socket$packet(0x11, 0x3, 0x300) r5 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_GET_KEEP_ORPHAN(r2, 0x2288, &(0x7f0000000580)) sendto$inet(r1, &(0x7f0000fd0000), 0xfffffffffffffec1, 0x20000801, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) socket$inet_sctp(0x2, 0x1, 0x84) ioctl$KDMKTONE(r2, 0x4b30, 0xffffffff) read(r0, &(0x7f0000000040)=""/239, 0xef) ioctl$TIOCGSID(r2, 0x5429, &(0x7f00000004c0)=0x0) perf_event_open(&(0x7f0000000440)={0x1, 0x70, 0xffffffffffffff7f, 0x1, 0xa8ff, 0x4, 0x0, 0x5, 0x50, 0x2, 0x5, 0x0, 0x4, 0x6, 0x6, 0x7, 0x9, 0x9bb, 0x4, 0x8e9, 0x80000000, 0xffffffe000000000, 0x80, 0x8, 0x0, 0x2, 0x30f, 0xd2, 0x8, 0x5, 0x10001, 0xffff, 0xb5, 0x4, 0x1, 0x10000, 0x0, 0x8, 0x0, 0x2, 0x0, @perf_config_ext={0x6, 0x1}, 0x10000, 0x9, 0x7fffffff, 0x2, 0x4, 0xfffffffffffffffd, 0xffffffff}, r6, 0x2, r5, 0x2) getresgid(&(0x7f0000000300), &(0x7f0000000340), &(0x7f0000000380)) 2018/05/11 20:20:47 executing program 6: getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000400)={0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x3}, &(0x7f00000000c0)=0x14) ioctl$EVIOCSCLOCKID(0xffffffffffffffff, 0x400445a0, &(0x7f0000000080)=0x801) ioctl$SNDRV_TIMER_IOCTL_SELECT(0xffffffffffffffff, 0x40345410, &(0x7f00000000c0)={{0xffffffffffffffff}}) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/vga_arbiter\x00', 0x410802, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vcs\x00', 0x400, 0x0) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000380), &(0x7f00000003c0)=0x4) getsockopt$packet_buf(r1, 0x107, 0x7, &(0x7f0000000180)=""/83, &(0x7f0000000200)=0x53) ioctl$PPPIOCGMRU(r2, 0x80047453, &(0x7f0000000280)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000000)={r0, 0x8001, 0x6}, 0x8) getsockopt$packet_int(r1, 0x107, 0x0, &(0x7f0000000100), &(0x7f0000000140)=0x4) bind(r1, &(0x7f0000000300)=@un=@abs={0x1, 0x0, 0x4e24}, 0x80) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000040)={0x0, &(0x7f0000000040)}) 2018/05/11 20:20:47 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$VT_RESIZEX(r3, 0x560a, &(0x7f0000000000)={0x9f60000000, 0xfff, 0x9, 0x8000, 0x8, 0x10000}) 2018/05/11 20:20:47 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x2b, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 261.456904] dccp_invalid_packet: P.Data Offset(68) too large [ 261.467709] dccp_invalid_packet: P.Data Offset(68) too large 2018/05/11 20:20:47 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$IP_VS_SO_SET_ADD(r1, 0x0, 0x482, &(0x7f0000000080)={0x11, @broadcast=0xffffffff, 0x0, 0x0, 'lblcr\x00', 0x0, 0x40}, 0x2c) setsockopt$IP_VS_SO_SET_FLUSH(r1, 0x0, 0x485, 0x0, 0x0) 2018/05/11 20:20:47 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) 2018/05/11 20:20:47 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x7, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:47 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:47 executing program 6: clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) futex(&(0x7f0000000000)=0x1, 0x5, 0x0, &(0x7f0000000100)={r0, r1+10000000}, &(0x7f0000000140)=0x1, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x20001, 0x0) ioctl$SNDRV_TIMER_IOCTL_START(r3, 0x54a0) write$binfmt_elf64(r3, &(0x7f00000002c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x38}, [{}]}, 0x78) ioctl$int_in(r3, 0x800000c0045006, &(0x7f0000000040)=0x80) 2018/05/11 20:20:47 executing program 3: ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) connect(r0, &(0x7f0000000080)=@un=@file={0x0, './file0\x00'}, 0x80) r1 = socket$packet(0x11, 0x7f, 0x300) socket$packet(0x11, 0x3, 0x300) r2 = getpgid(0x0) sched_setattr(r2, &(0x7f0000000000)={0x30, 0x3, 0x1, 0x20, 0x1, 0xed7, 0xf06, 0x6}, 0x0) socket$packet(0x11, 0x3, 0x300) close(r1) 2018/05/11 20:20:47 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) 2018/05/11 20:20:48 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) poll(&(0x7f0000000000)=[{r0, 0x4}, {r0, 0x401}, {r2, 0x40}, {r1, 0x2}], 0x4, 0x9) sendfile(r1, r3, 0x0, 0xff) fcntl$addseals(r3, 0x409, 0x5) 2018/05/11 20:20:48 executing program 3: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x40000, 0x0) recvfrom$ipx(r0, &(0x7f0000000180)=""/88, 0x58, 0x2, &(0x7f0000000080)={0x4, 0x0, 0x8, "46898e60da4d", 0x2}, 0x10) mlockall(0x2) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) chdir(&(0x7f0000f95000)='./file0\x00') r1 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) pwritev(r1, &(0x7f0000001580)=[{&(0x7f0000000140)='W', 0x1}], 0x1, 0x0) ftruncate(r1, 0x7fff) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2, 0x11, r2, 0x0) mbind(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0, &(0x7f0000000100), 0x1ff, 0x2) 2018/05/11 20:20:48 executing program 6: r0 = socket(0xa, 0x1, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) mq_notify(r2, &(0x7f0000000240)={0x0, 0x4, 0x6, @thr={&(0x7f0000000040)="b789ceb36b4ea1f677f45fc0971bce2481368ccc698faf92452fd5cf5f3d412a28649547dc6d0650f6f962eb6d73ab2c773edc750d27432c4687475534b1e13b884ef82390dd0a77153e043a246bd2291bba7a537976b480915d378fc5d20ed67cfa2adcb2d98b0ab976a3c35a5098335ce49b4857c303b9016d442f54815fc6dc42321c0e9ef2c6a9b5c3645d5b9939265c069369df5d837459bdaba54a3b22a3e94a38413e081cd284d5bb7a92804a03f653d90459dc391adec5ae19f71980367fc96fca5e6992ccf83b01203c03f1dd15fbcd0e320743fabad67b829809eed26204e1b8d7048be65fb0e5fd34a568ffb2", &(0x7f0000000140)="3d84c6f60487d57609255b4cfb1798eae41d4da16c16b025ecf16f6de6bf06743567876beb52736da7d2afe245ed83534dd3c11dca078a9ea20ae25e6cf3d07af5f975155c5d8264b0b32748e6a9062cb74de0fd28970559da35e3628422d33d6ab5852a0d770e38f5baddd41f980eccea8e8620a1879291e66137cfc341ba12d3221b8c5d7dfc55297edb9ec34f0168435352f61348defe6915c0211242aee1fd7ccd3f477b686682c018f51a02451ace764c06207bf2451b79b9c757b37f7563be558479cd07c5"}}) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000340)=0x7, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") rt_sigpending(&(0x7f0000000400), 0x20000408) r3 = syz_open_dev$dspn(&(0x7f0000000380)='/dev/dsp#\x00', 0x4, 0x180c0) getsockopt$inet_mreqn(r3, 0x0, 0x24, &(0x7f00000005c0)={@empty, @loopback, 0x0}, &(0x7f0000000600)=0xc) bpf$PROG_LOAD(0x5, &(0x7f0000000640)={0x9, 0xd, &(0x7f0000000440)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x8}, [@alu={0x4, 0xfff, 0xa, 0x4, 0x8, 0xfffffffe}, @jmp={0x5, 0x6e20, 0x9, 0x8, 0x0, 0x80, 0x8}, @initr0={0x18, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x9}, @map={0x18, 0x3, 0x1, 0x0, r3}, @map={0x18, 0x1, 0x1, 0x0, r1}], {0x95}}, &(0x7f00000003c0)='GPL\x00', 0x3, 0xc8, &(0x7f00000004c0)=""/200, 0x40f00, 0x1, [], r4}, 0x48) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f00000002c0)={@local={0xfe, 0x80, [], 0xaa}, 0x5, 0x2, 0x3, 0x8, 0x5, 0x3bf2, 0x9}, 0x20) ioctl$SG_GET_RESERVED_SIZE(r2, 0x2272, &(0x7f0000000300)) 2018/05/11 20:20:48 executing program 1: getrandom(&(0x7f00000000c0)=""/54, 0x36, 0x1) syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:48 executing program 2: capset(&(0x7f0000000000)={0x400019980330}, &(0x7f0000b2d000)) r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$HDIO_GETGEO(r0, 0x301, &(0x7f0000000080)) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000100)=0x0) capset(&(0x7f0000000140)={0x20071026, r1}, &(0x7f0000000180)={0x8, 0xb9c, 0x9, 0x36e0, 0x80000000, 0x6}) r2 = memfd_create(&(0x7f00000000c0)='tunl0\x00', 0x2) r3 = socket(0x10, 0x3, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r2, 0x4040ae75, &(0x7f00000001c0)={0x8, 0x8001, 0x53, 0x1}) ioctl$sock_ifreq(r3, 0x89f2, &(0x7f0000000040)={'tunl0\x00', @ifru_data=&(0x7f0000000000)="ac8be4abd0f79d6325ae476aab5970a3131f2fb4bbfb3c75500e33d0612f430d"}) 2018/05/11 20:20:48 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300fff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:48 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x2f, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:48 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) 2018/05/11 20:20:48 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) 2018/05/11 20:20:48 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x2c, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:48 executing program 3: r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) ioctl$KDGKBLED(r1, 0x4b64, &(0x7f0000000100)) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000000000)={0x7fffffff, {{0xa, 0x4e21, 0x9, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x2}}}, 0x84) bind$inet6(r0, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000f98000), 0x0, 0x2000000c, &(0x7f00004a5fe4)={0xa, 0x4e20, 0xfffffffffffffffe, @loopback={0x0, 0x1}}, 0x1c) time(&(0x7f00000001c0)) r2 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) pipe2(&(0x7f0000000140), 0x84000) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f00000000c0)={0x0}) r4 = getpid() rt_sigqueueinfo(r4, 0x1e, &(0x7f0000000200)={0x1f, 0xfffffffffffffff8, 0x10001, 0x3}) ioctl$DRM_IOCTL_NEW_CTX(r2, 0x40086425, &(0x7f0000000180)={r3, 0x3}) ftruncate(r2, 0x27ffe) setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000001740)=0x4, 0x4) sendfile(r1, r2, &(0x7f0000ea8000), 0x3) 2018/05/11 20:20:48 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b608006f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:48 executing program 6: r0 = socket$inet_udp(0x2, 0x2, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x40032, 0xffffffffffffffff, 0x0) getsockopt$inet_buf(r0, 0x0, 0x29, &(0x7f0000008000)=""/144, &(0x7f0000e58000)=0x90) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x8000, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r1, 0xc0f85403, &(0x7f0000000040)={{0x2, 0x3, 0x1, 0x1, 0xaab}, 0x3ff, 0x7, 'id0\x00', 'timer0\x00', 0x0, 0xff, 0x4f, 0x1, 0x7}) 2018/05/11 20:20:48 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:49 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x4) connect$inet6(r0, &(0x7f00000001c0)={0xa}, 0x1c) openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x400000, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x200141, 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000080)={0x0, 0x6, 0x10, 0x3ce, 0x2}, &(0x7f00000000c0)=0x18) setsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000100)={r2}, 0x8) shutdown(r0, 0x1) 2018/05/11 20:20:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x34, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:49 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") sendmsg$key(0xffffffffffffffff, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:49 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000004c0)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000500)='cpuacct.usage_percpu_user\x00', 0x2761, 0x0) write$rdma_cm(r1, &(0x7f00000021c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000002180)}}, 0x20) getsockopt$inet6_buf(r1, 0x29, 0x44, &(0x7f0000000000)=""/43, &(0x7f0000000040)=0x2b) 2018/05/11 20:20:49 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)="2e2f63677288757a30000000000000000000f51811e8ebb92f4822ba9955744bdbb3b7e8ab92feb3c0c6c23fdff36e798411248b573754a4282d1fef590d9caf47f5a0f2247a868e367d8700e64f6c07bf742cbcc10a2333022a07ee791b0e4a23678a595b26a92ae14dc17995eb56a2dfd3f119a376df6fc828478afc45982a97dc9864c44d168b6d5f4b48202eaecbf99a0ecb4ceda081c0088777dc506e017f1022b2", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) ioctl$TUNDETACHFILTER(r3, 0x401054d6, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:49 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:49 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:49 executing program 2: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x2000000008912, &(0x7f0000000080)="c6295e4eca6c09b612ec6f") r1 = socket$inet6(0xa, 0x6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000f68000)={@loopback={0x0, 0x1}, 0x0, 0x0, 0xff, 0x1}, 0x20) getsockopt$inet_buf(r0, 0x0, 0x2e, &(0x7f0000000000)=""/7, &(0x7f0000000040)=0x7) 2018/05/11 20:20:49 executing program 5: r0 = socket(0x0, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:49 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x10) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") close(0xffffffffffffffff) sendmsg$nl_generic(r0, &(0x7f0000023000)={&(0x7f0000024000)={0x10}, 0xc, &(0x7f0000023ff0)={&(0x7f0000010ec4)={0x20, 0x27, 0xaff, 0x0, 0x0, {0x3}, [@nested={0xc, 0x1, [@typed={0x8, 0x1, @binary}]}]}, 0x1fd}, 0x1}, 0x0) signalfd(r0, &(0x7f0000000000)={0x100000001}, 0x8) 2018/05/11 20:20:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:49 executing program 3: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r4 = dup3(r3, r1, 0x0) syz_kvm_setup_cpu$x86(r2, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000180)=[@text64={0x40, &(0x7f0000000040)="440f20c0350e000000440f22c0260f013ab805000000b9078000000f01d9b9321001c0b802000000ba000000000f30c744240000f0d9e8c744240204000000c7442406000000000f011424c4227d0ff70f353e660f38814d0ac4e27d8c07668ec5", 0x61}], 0x1, 0x4d, &(0x7f0000000000), 0x0) getsockopt$inet_sctp6_SCTP_INITMSG(r4, 0x84, 0x2, &(0x7f00000000c0), &(0x7f0000000140)=0x8) ioctl$KVM_SET_CPUID(r4, 0x4008ae8a, &(0x7f0000000240)=ANY=[@ANYBLOB="04000000"]) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:20:49 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={r0, 0x7, 0x1, 0x80000000, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}, 0x20) ioctl$KVM_ENABLE_CAP(r3, 0x4068aea3, &(0x7f00000000c0)={0x79, 0x0, [0x97f, 0x7, 0x7, 0x4]}) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) [ 263.293336] Enabling of bearer <> rejected, illegal name 2018/05/11 20:20:49 executing program 5: socket(0x0, 0x1, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:49 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha256\x00'}, 0x58) r4 = accept$alg(r3, 0x0, 0x0) r5 = socket$vsock_stream(0x28, 0x1, 0x0) r6 = dup2(r5, r3) r7 = dup3(r2, r4, 0x400000000080000) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') ioctl$KVM_GET_SREGS(r7, 0x8138ae83, &(0x7f00000003c0)) sendmsg$IPVS_CMD_GET_CONFIG(r6, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0x38c, &(0x7f00000001c0)={&(0x7f0000000640)=ANY=[@ANYBLOB="622096233be63b59a63d3ca41027ea0fbb16", @ANYRES16=r8, @ANYBLOB="020327bd7000fddbdf250d00000008000400000400002000030014000600fe800000000000000000000000000014080007004e20000008000500feffffff30000300080003000400000008000400b600000008000500e000ffffff7f0200627269646765300000000000000000003400030008000500e00000ff0000000080000000080007004e220000080007004e240000080007004e240000080004008c08191494e9769abc16107a9d39000000000c0001000800020006000000080005001600000082fd58bccfa332a3e89b85fec08e030501040fd9203c087be6d87855589115d13485dcbf2d7ee382"], 0xbc}, 0x1, 0x0, 0x0, 0x40000}, 0x4) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000000)={0x0, 0xe1}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000000c0)={r9, @in6={{0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}, 0x401}}, 0x81, 0x3b}, 0x90) r10 = dup3(r1, r0, 0x0) sendfile(r1, r10, 0x0, 0xff) fcntl$addseals(r2, 0x409, 0x8) r11 = syz_genetlink_get_family_id$fou(&(0x7f0000000500)='fou\x00') sendmsg$FOU_CMD_GET(r10, &(0x7f0000000600)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x50, r11, 0x200, 0x70bd2a, 0x25dfdbfb, {0x3}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e23}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0xc}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x29}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e22}]}, 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x8090) ioctl$BLKRRPART(r7, 0x125f, 0x0) [ 263.339531] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 263.366918] Enabling of bearer <> rejected, illegal name 2018/05/11 20:20:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4000000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:49 executing program 6: r0 = socket$netlink(0x10, 0x3, 0xa) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x0, 0x0) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000040)=0x0) capget(&(0x7f0000000080)={0x0, r2}, &(0x7f0000000100)={0x944, 0x4, 0x4, 0xa5f6, 0x400, 0x6}) sendmsg$nl_route(r0, &(0x7f0000000280)={&(0x7f0000000300)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=@mpls_newroute={0x1c, 0x18, 0x0, 0x0, 0x0, {0x1c}}, 0x1c}, 0x1}, 0x0) sched_setattr(r2, &(0x7f0000000140)={0x30, 0x7, 0x0, 0x4, 0x8001, 0x9, 0x800, 0x2}, 0x0) [ 263.487592] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:50 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)="03200000666d2f77656967687400", 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000000)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:50 executing program 2: unshare(0x20020000) getresuid(&(0x7f00000002c0), &(0x7f0000000300)=0x0, &(0x7f0000000340)) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000380)={{{@in=@multicast1, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@mcast1}}, &(0x7f0000000480)=0xe8) r2 = geteuid() setresuid(r0, r1, r2) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='nfs4\x00', 0x8a1000, 0x0) socketpair$inet6(0xa, 0x6, 0xd3, &(0x7f00000004c0)={0xffffffffffffffff}) fcntl$setflags(r3, 0x2, 0x1) r4 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x404000, 0x0) lstat(&(0x7f0000000180)='./file1\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0, 0x0}, &(0x7f0000000280)=0xc) fchownat(r4, &(0x7f00000000c0)='./file1\x00', r5, r6, 0x800) poll(&(0x7f0000000400), 0x0, 0xd10) rename(&(0x7f0000e6dff8)='./file0\x00', &(0x7f0000b76000)='./file1\x00') getsockopt$ARPT_SO_GET_INFO(r4, 0x0, 0x60, &(0x7f0000000500)={'filter\x00'}, &(0x7f0000000580)=0x44) 2018/05/11 20:20:50 executing program 3: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/vsock\x00', 0x8000, 0x0) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000500)={0x0, 0x1000, "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"}, &(0x7f0000001540)=0x1008) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000001580)={r1, @in6={{0xa, 0x4e23, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x4}}}, 0x84) getresgid(&(0x7f0000001640), &(0x7f0000001680), &(0x7f00000016c0)=0x0) getresgid(&(0x7f0000001700), &(0x7f0000001740)=0x0, &(0x7f0000001780)) r4 = getgid() getgroups(0x3, &(0x7f00000017c0)=[r2, r3, r4]) ioctl$KVM_SET_BOOT_CPU_ID(r0, 0xae78, &(0x7f0000001800)=0x2) ioctl$PPPIOCSMRU(r0, 0x40047452, &(0x7f0000001840)=0x9) ioctl$TCGETS(r0, 0x5401, &(0x7f0000001880)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000018c0)={0x0, 0x0}, &(0x7f0000001900)=0xc) ioprio_get$uid(0x3, r6) getpeername(r0, &(0x7f0000001940)=@sco, &(0x7f00000019c0)=0x80) r7 = openat$cgroup_int(r0, &(0x7f0000001a00)='hugetlb.2MB.limit_in_bytes\x00', 0x2, 0x0) ioctl$KVM_DEASSIGN_PCI_DEVICE(r0, 0x4040ae72, &(0x7f0000001a40)={0x7fffffff, 0x2, 0x8, 0x2, 0xbef}) getuid() ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000002fc0)={'gre0\x00', 0x0}) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x32, &(0x7f0000003000)={@mcast1={0xff, 0x1, [], 0x1}, r8}, 0x14) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f00000030c0)=@mangle={'mangle\x00', 0x1f, 0x6, 0x590, 0x1e0, 0x0, 0x1e0, 0x2c0, 0x2c0, 0x4f8, 0x4f8, 0x4f8, 0x4f8, 0x4f8, 0x6, &(0x7f0000003040), {[{{@ip={@rand_addr=0x9, @dev={0xac, 0x14, 0x14, 0xd}, 0xffffffff, 0xffffff00, 'bcsf0\x00', 'veth0_to_bridge\x00', {0xff}, {0xff}, 0xebe6d81a422a78d2, 0x1, 0xe}, 0x0, 0x98, 0xc0}, @inet=@DSCP={0x28, 'DSCP\x00', 0x0, {0x3c}}}, {{@ip={@multicast2=0xe0000002, @multicast1=0xe0000001, 0x0, 0xffffffff, 'team_slave_1\x00', 'eql\x00', {0xff}, {0xff}, 0x29, 0x2, 0x1}, 0x0, 0xf0, 0x120, 0x0, {}, [@common=@unspec=@cluster={0x30, 'cluster\x00', 0x0, {0x20, 0xbe9, 0x4}}, @inet=@rpfilter={0x28, 'rpfilter\x00', 0x0, {0x4}}]}, @common=@inet=@SET2={0x30, 'SET\x00', 0x2, {{0xff, 0xffffffffffff0000, 0x1}, {0x2, 0x4, 0x6}, 0x2, 0x8}}}, {{@uncond, 0x0, 0xb8, 0xe0, 0x0, {}, [@common=@socket0={0x20, 'socket\x00'}]}, @TTL={0x28, 'TTL\x00', 0x0, {0x0, 0x3}}}, {{@uncond, 0x0, 0xb8, 0xe0, 0x0, {}, [@common=@socket0={0x20, 'socket\x00'}]}, @inet=@TOS={0x28, 'TOS\x00', 0x0, {0x20, 0x7ff}}}, {{@ip={@empty, @dev={0xac, 0x14, 0x14, 0xa}, 0xffffffff, 0xffffff00, 'bond0\x00', 'veth1_to_bond\x00', {0xff}, {}, 0x5c, 0x2, 0xa0519ded70293cdb}, 0x0, 0xf8, 0x158, 0x0, {}, [@common=@set={0x40, 'set\x00', 0x0, {{0x1, [0x9, 0xffe0000000000000, 0x5, 0x7, 0x1, 0x100000001], 0xc2, 0x6, 0x19c000000000000}}}, @common=@socket0={0x20, 'socket\x00'}]}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, 0x7ff, 0xa, [0x9, 0x2a, 0x3e, 0x14, 0x34, 0x2f, 0x12, 0x2, 0x35, 0x27, 0x2b, 0x2b, 0xe, 0x15, 0x7, 0x31], 0x0, 0xb4c3, 0x200}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x5f0) getuid() kcmp$KCMP_EPOLL_TFD(r5, r5, 0x7, r0, &(0x7f00000036c0)={r7, r0, 0x8}) getgid() getresgid(&(0x7f0000003700), &(0x7f0000003740), &(0x7f0000003780)) ioctl$EVIOCSABS2F(r0, 0x401845ef, &(0x7f00000037c0)={0x8, 0x439b6e3f, 0x1, 0xd9, 0x1ff, 0x2}) ioprio_get$uid(0x3, r6) restart_syscall() setsockopt(r0, 0x20, 0x0, &(0x7f0000003800)="213066ce09255adcad02d665794b20cc1d807154b62e461a0776deabe258b7f905bf42ab1ee4d009ee", 0x29) recvfrom$inet(r0, &(0x7f0000003840)=""/180, 0xb4, 0x10000, 0x0, 0x0) ioctl$VT_ACTIVATE(r0, 0x5606, 0x21679cbb) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f0000003900)={0x3, 0x6, 0x100000000}) 2018/05/11 20:20:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x700000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:50 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:50 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000fdfdffff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:50 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:50 executing program 6: r0 = socket(0x11, 0x3, 0x0) ioctl(r0, 0x8912, &(0x7f00000000c0)="c6294c46ca6c49b612ec6f") r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r1) r2 = open(&(0x7f0000000040)='..', 0x0, 0x0) getdents(r2, &(0x7f00000001c0)=""/161, 0x1d7) [ 264.090686] Unknown ioctl 44664 [ 264.100691] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 264.114344] Unknown ioctl 1074033746 [ 264.122140] Unknown ioctl 21505 [ 264.127503] Unknown ioctl 1077980786 [ 264.131973] Unknown ioctl 35123 2018/05/11 20:20:50 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) getsockopt$inet6_buf(r3, 0x29, 0xff, &(0x7f0000000000)=""/8, &(0x7f0000000080)=0x8) sendfile(r1, r1, 0x0, 0x19cef49b) 2018/05/11 20:20:50 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:50 executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x8, 0x0) recvmsg$kcm(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=""/211, 0xd3}, {&(0x7f0000000040)=""/30, 0x1e}, {&(0x7f0000000080)=""/30, 0x1e}], 0x3, &(0x7f0000000140)=""/37, 0x25, 0x80000000}, 0x100) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r3, 0x4008ae89, &(0x7f0000000300)=ANY=[@ANYBLOB="01000000000000003f3fc054ede65dbab07e8f777b00004dbd481ba126d6a4d25dacc8ee439f9e7cd7945a90aeb7ae043042e1588f0200000000000000000000000000000000"]) 2018/05/11 20:20:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x3000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 264.137524] Unknown ioctl 1075332591 [ 264.155652] Unknown ioctl 22022 [ 264.169487] Unknown ioctl -1072671997 [ 264.208796] Unknown ioctl 1074033746 [ 264.208801] Unknown ioctl 44664 [ 264.234323] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 264.235285] Unknown ioctl 21505 2018/05/11 20:20:50 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[]}, 0x1}, 0x0) 2018/05/11 20:20:50 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000000)="c6295e46ca6c09b612ec6f") r4 = syz_open_dev$sndctrl(&(0x7f0000004fed)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000080)=0x5) poll(&(0x7f0000000040)=[{r4}, {r3}], 0x2, 0xffc99a3b) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000000)={0x0, 0x1}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f00000000c0)=@sack_info={r5, 0x5, 0xffffffffffffffff}, &(0x7f0000000100)=0xc) r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) [ 264.258206] Unknown ioctl 1077980786 2018/05/11 20:20:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x40000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 264.284267] Unknown ioctl 35123 2018/05/11 20:20:50 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB]}, 0x1}, 0x0) [ 264.309219] Unknown ioctl 1075332591 2018/05/11 20:20:50 executing program 6: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180)='/dev/zero\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) socket(0x0, 0x3, 0x1) [ 264.335629] Unknown ioctl 22022 [ 264.349321] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:51 executing program 2: r0 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x1, 0x181102) recvmmsg(r0, &(0x7f0000000340)=[{{&(0x7f0000000040)=@pppoe, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000380)=""/198, 0xc6}, {&(0x7f00000001c0)=""/204, 0x52}], 0x9ef3da430e0dcbef, &(0x7f0000000300)=""/16, 0x10, 0x10001}}], 0x1, 0x40000041, 0x0) r1 = socket(0x10, 0x5, 0x0) sendto(r1, &(0x7f0000d0efee)="120000001200e7ff0a001c0000000000809b", 0xfffffffffffffe63, 0x0, 0x0, 0x0) 2018/05/11 20:20:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x6800, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:51 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x0, 0x0) r4 = syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x1, 0x0) ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, r4) r5 = dup3(r1, r0, 0x0) ioctl$EVIOCGUNIQ(r5, 0x80404508, &(0x7f0000000080)=""/182) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:20:51 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe00000000000000"], 0x1c}, 0x1}, 0x0) 2018/05/11 20:20:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r4 = dup3(r3, r2, 0x0) ioctl$KVM_SET_MSRS(r4, 0x4008ae89, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000ee2e2a060000006a6900f2ff0f000000000000000841f7e84eab31ec00"]) 2018/05/11 20:20:51 executing program 6: r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) pwrite64(r0, &(0x7f0000000040)="f05d6c8ba1cbd3e93c8254e8f46585dd46143768610f057750385d93b9c793aaf830eaccfbec8abdd5b7653b44c20e8b58169b49bbbea59dbfb5d73a3b361ed4747382cc610e04e6702f99294182d3dca142516f9231d76f250e34b43136bddb6de3f211bde9b719a7ae2e6dff13163dc57c01e6f6603b8e8b4636dc9404415acbb6ef79", 0x84, 0x0) io_setup(0x4, &(0x7f0000000100)=0x0) r2 = eventfd(0x768a) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000300)='/dev/null\x00', 0x100, 0x0) io_submit(r1, 0x3, &(0x7f00000004c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x2, 0x40, r0, &(0x7f0000000140)="317bbb5cd0236aa75eddaff80e8642f67e30dde3dbf728d2a361a9bb8033bbd5b51b1e7e415ccfed012ad5ab7b531bd5e27dc4467a6aac9c3b9082d9c1aea9be962186c96f3ac098e3b003b705fa4884abf24778d22f1352398b348676b48a4a773d141994472462a5da5bc98f9a0c49f3e1d1ceb4f32539fe", 0x79, 0x800, 0x0, 0x1, r2}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x1, 0x3, r0, &(0x7f0000000200)="5ea5bdcff98e3014808cc4c07f8b8bf24d28e7533892e44b71aada144a5ac3b3e581da9358b6cc27b6e569a0a00132417da20c2c94ec090a0f7d2bab1c4319a81060b1df74e6712ca1ca69f518fd813235b8430dded8d92b5ade8fadb456a45c16223d2c7952a7419e7223848696cd553620fcf45708b2ce8a045d009aaea5a9e1d061689dba4c09d8e86fa081602efa531b56a51114298c701e262265a8ec3f823c2a22e21f6302db8d952a78d41e1d4c17147ed661471d5c201d52932e932e816e35d2683b631af806b8249737fc", 0xcf, 0x6, 0x0, 0x0, r3}, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000380)="ae67af87f869303c548301adb733b0464a9e4212c36d1d1c6c4f16314b352ff7eb8ae2961b3b842ffce769c94715677ff1772b6efc8ba1f3f450e9fb1372dd138a46907a0b7d25b2b9b274ba2005db45f55009fb22c8dda7c8b0ad3ce183577f4fc6e4d4256241488031873a998f413f03051259855e4e6b0a03c9049de26888db1af28f211e8a0f90f9b81ad2b3f496e06b73e579f53dfe130a1990a3367642aaea3c9b175716e2cede1f2b00de6bc5f1f82df8d4f3b9c3c06cf4c9b108607dc2650c1b16d23bccbcd76600b47a38a7eaafc5488f", 0xd5, 0x9, 0x0, 0x1, r0}]) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0x1000) 2018/05/11 20:20:51 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:51 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00\x00\x00\x00\x00\x00\x00@', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:51 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:51 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(aes-generic)\x00'}, 0x58) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40000, 0x0) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f00000001c0)) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffff9c, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000140)={r2, 0x9}, &(0x7f0000000180)=0x8) r3 = accept$alg(r0, 0x0, 0x0) ioctl$TIOCGWINSZ(r1, 0x5413, &(0x7f00000004c0)) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27193601002356ba602dff05000b", 0x10) sendmmsg$alg(r3, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f0000000940)=[{&(0x7f0000003b00)="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", 0x86a}], 0x1, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) getsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f00000003c0), &(0x7f0000000400)=0x4) r4 = socket(0xa, 0x1, 0x0) ioctl(r4, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") msgctl$IPC_INFO(0x0, 0x3, &(0x7f0000000140)=""/110) recvmsg(r3, &(0x7f0000000480)={&(0x7f0000000240)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4}}}, 0x80, &(0x7f0000000440)=[{&(0x7f00000002c0)=""/92, 0x5c}, {&(0x7f0000001700)=""/4096, 0x1000}], 0x2, &(0x7f0000000340)=""/80, 0x50}, 0x0) 2018/05/11 20:20:51 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda398000000"], 0x2a}, 0x1}, 0x0) [ 265.428589] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x48, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:51 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)="11bf827a2bcc6f2f63", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) sendmsg(r2, &(0x7f0000000100)={&(0x7f0000000080)=@pppoe={0x18, 0x0, {0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'gre0\x00'}}, 0x80, &(0x7f0000000000)=[{&(0x7f00000001c0)="a0a161f79913a524cc820beef83d6da4e2b20685a7e653a4118dbf44db9fb29d9c1b9529c6e89f35368171fdd1bdee0d1feece2f7df6d3315fb20e1f0d7c77758ca8fcb036e59254c1373c6400d258da5abfa8fe7ae05afc2a3d93954b3e306a132a9ffa5f15073a6afc7f9703f765315fefe1c154a6a9151859273c544f5d5f83a733a6097846f65039a3c0d441b42027397b6e158fc05009a0a257e33e", 0x9e}], 0x1, 0x0, 0x0, 0x240080c0}, 0x4) 2018/05/11 20:20:51 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:51 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff000000"], 0x31}, 0x1}, 0x0) [ 265.559990] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xe, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 265.673247] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:52 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) setsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f0000000080)=0xffffffff80000000, 0x4) sendfile(r1, r3, 0x0, 0xff) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 2018/05/11 20:20:52 executing program 6: r0 = socket(0xa, 0x8000000000001, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket(0x11, 0x100000802, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x1001}) ioctl$TUNSETLINK(r2, 0x400454cd, 0x30a) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000040)={'ifb0\x00', 0xa201}) 2018/05/11 20:20:52 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10"], 0x35}, 0x1}, 0x0) 2018/05/11 20:20:52 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x7400000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:52 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:52 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:52 executing program 2: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffff9c) getpeername$netrom(r0, &(0x7f0000000040), &(0x7f0000000080)=0x10) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000000000)={0x0, 0x0, 0x3}, 0x5) 2018/05/11 20:20:52 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa100000"], 0x37}, 0x1}, 0x0) 2018/05/11 20:20:52 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 266.303967] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:52 executing program 4: r0 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0xffffffffffff8000, 0x100) ioctl$TIOCCONS(r0, 0x541d) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x40001, 0x0) accept$unix(r2, &(0x7f00000001c0), &(0x7f0000000100)=0x6e) r3 = openat$cgroup_int(r1, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r4 = socket(0x7, 0x80000, 0xa8c2) ioctl(r4, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = dup3(r3, r1, 0x0) sendfile(r3, r5, 0x0, 0xff) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f00000000c0)) 2018/05/11 20:20:52 executing program 6: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000140)={0x0, 0x3}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e24, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, 0x1, 0x3, 0x2, 0x80000000, 0x40}, &(0x7f0000000280)=0x98) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f00000002c0)={r1, 0x9, 0x7, 0x9ba, 0x8, 0x9, 0x8, 0x4, {r2, @in6={{0xa, 0x4e22, 0x9, @remote={0xfe, 0x80, [], 0xbb}, 0x8}}, 0xb94, 0x7ff, 0x3, 0x80, 0x200}}, &(0x7f0000000380)=0xb0) r3 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x2, 0x202000) ioctl$SNDRV_TIMER_IOCTL_INFO(r3, 0x80e85411, &(0x7f0000000040)=""/197) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) setsockopt(r0, 0x41, 0x6, &(0x7f0000aca000)="e21830955ffd34d25cc534adec04d735d6cc5f611e9715380d206984e4d8535bcd991d656564718b7eb3a995b8f1dee962e132de157130d04976d95ae5f5e04dfc30b59c729407d3f8bbddf4657d0381cdb5777faa3f3be55cff2b0c934868000000075a59a979d123d54d689256402e59f8f20c7e84004866b563ccb3caea772ebb0010", 0x84) socket$nl_route(0x10, 0x3, 0x0) 2018/05/11 20:20:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x3c00000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:52 executing program 5 (fault-call:1 fault-nth:0): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:52 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") sendfile(r1, 0xffffffffffffffff, 0x0, 0xff) [ 266.468862] FAULT_INJECTION: forcing a failure. [ 266.468862] name failslab, interval 1, probability 0, space 0, times 0 [ 266.475090] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 266.480334] CPU: 0 PID: 16794 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 266.497907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.507287] Call Trace: [ 266.509912] dump_stack+0x1b9/0x294 [ 266.513582] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.518816] should_fail.cold.4+0xa/0x1a [ 266.522905] ? unlock_page+0x1d0/0x2b0 [ 266.526820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.531952] ? debug_check_no_locks_freed+0x310/0x310 [ 266.537178] ? find_held_lock+0x36/0x1c0 [ 266.541295] ? check_same_owner+0x320/0x320 [ 266.545737] ? rcu_note_context_switch+0x710/0x710 [ 266.550698] __should_failslab+0x124/0x180 [ 266.554964] should_failslab+0x9/0x14 [ 266.558789] kmem_cache_alloc_node+0x272/0x780 [ 266.563404] ? check_same_owner+0x320/0x320 2018/05/11 20:20:52 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) [ 266.567752] ? __check_object_size+0x95/0x5d9 [ 266.572279] __alloc_skb+0x111/0x780 [ 266.577613] ? skb_scrub_packet+0x580/0x580 [ 266.581988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.587555] ? _copy_from_user+0xdf/0x150 [ 266.591763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.596812] ? rw_copy_check_uvector+0x2d3/0x3a0 [ 266.601615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.607181] ? import_iovec+0x24b/0x420 [ 266.611181] ? dup_iter+0x270/0x270 [ 266.614840] pfkey_sendmsg+0x250/0x1050 [ 266.618847] ? _copy_from_user+0xdf/0x150 [ 266.623030] ? pfkey_spdget+0xb10/0xb10 [ 266.627064] ? security_socket_sendmsg+0x94/0xc0 [ 266.631857] ? pfkey_spdget+0xb10/0xb10 [ 266.635862] sock_sendmsg+0xd5/0x120 [ 266.639610] ___sys_sendmsg+0x805/0x940 [ 266.643877] ? copy_msghdr_from_user+0x560/0x560 [ 266.648690] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.654254] ? proc_fail_nth_write+0x96/0x1f0 [ 266.658786] ? __fget_light+0x2ef/0x430 [ 266.662793] ? fget_raw+0x20/0x20 [ 266.666274] ? find_held_lock+0x36/0x1c0 [ 266.670367] ? kasan_check_write+0x14/0x20 [ 266.674634] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 266.679603] ? wait_for_completion+0x870/0x870 [ 266.684224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.689796] ? sockfd_lookup_light+0xc5/0x160 [ 266.694322] __sys_sendmsg+0x115/0x270 [ 266.698234] ? __ia32_sys_shutdown+0x80/0x80 [ 266.702664] ? __sb_end_write+0xac/0xe0 [ 266.706661] ? fput+0x130/0x1a0 [ 266.709960] ? ksys_write+0x1a6/0x250 [ 266.713798] __x64_sys_sendmsg+0x78/0xb0 [ 266.717884] do_syscall_64+0x1b1/0x800 [ 266.721788] ? finish_task_switch+0x1ca/0x810 [ 266.726306] ? syscall_return_slowpath+0x5c0/0x5c0 [ 266.731350] ? syscall_return_slowpath+0x30f/0x5c0 [ 266.736315] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 266.741717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.746597] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.751802] RIP: 0033:0x455979 [ 266.755034] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 266.762775] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 266.770065] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 266.777377] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 266.784666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 266.791969] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000000 2018/05/11 20:20:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x500, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:53 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000b6dfc8)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000327f68)=ANY=[@ANYBLOB="0203000313000000000000000000000005000600000000000a0000000000000000000000000000000000ffff00000000000000000000000005000900000000000a00000000000000000000000000000000000000000000000000000000000000020001000000000000000500000000000a00000000000000ff0200000000000000000000000000010000000000000000"], 0x98}, 0x1}, 0x0) 2018/05/11 20:20:53 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in6={{0xa, 0x4e23, 0x1, @dev={0xfe, 0x80, [], 0x20}, 0x1}}, 0x7169, 0xffffffffffffffff, 0x0, 0xffff}, &(0x7f0000000140)=0x98) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000180)={r1, 0x5, 0x2, [0x1, 0x5]}, &(0x7f00000001c0)=0xc) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000239ff6)='/dev/cuse\x00', 0x2, 0x0) readv(r2, &(0x7f0000c6efe0)=[{&(0x7f00006c8f31)=""/207, 0xcf}], 0x1) write$fuse(r2, &(0x7f0000000000)=ANY=[@ANYBLOB="5a00007d51c86c9bb1c08b9fef52e28f3c3200000000000100000000000000070000000046b27250f0e8065d86a61df2b3b3cef50bb84fa9ad86945bd8fbdc7f4002bffeded1c896f7bf7b3a32f7874662bb74e7e8001000005ed348820315f500c6f3b29a00083b29a2e96b2737ea9e"], 0x5a) 2018/05/11 20:20:53 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:53 executing program 1 (fault-call:0 fault-nth:0): syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:53 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000200)=0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000180)=0x0) kcmp(r3, r4, 0x2, r1, r2) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000100)) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = dup3(r1, r0, 0x0) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000140)) sendfile(r1, r5, 0x0, 0xff) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r5, 0x40485404, &(0x7f00000002c0)={{0xffffffffffffffff, 0x2, 0x8000, 0x3, 0x9}, 0xfffffffffffffffd, 0x8}) ioctl$SIOCSIFHWADDR(r5, 0x8924, &(0x7f0000000080)={'bond_slave_0\x00', @random="78eb5d9e8391"}) socket$nl_crypto(0x10, 0x3, 0x15) ioctl$SIOCSIFHWADDR(r5, 0x8924, &(0x7f00000001c0)={'sit0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}) 2018/05/11 20:20:53 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300000000fff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:53 executing program 5 (fault-call:1 fault-nth:1): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 267.184399] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 267.201775] FAULT_INJECTION: forcing a failure. [ 267.201775] name failslab, interval 1, probability 0, space 0, times 0 [ 267.213208] CPU: 1 PID: 16825 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 267.220514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.230098] Call Trace: [ 267.232725] dump_stack+0x1b9/0x294 [ 267.236416] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.241641] ? is_bpf_text_address+0xd7/0x170 [ 267.246171] ? kernel_text_address+0x79/0xf0 [ 267.250611] ? __unwind_start+0x166/0x330 [ 267.254792] should_fail.cold.4+0xa/0x1a [ 267.258886] ? __save_stack_trace+0x7e/0xd0 [ 267.263247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.268399] ? save_stack+0xa9/0xd0 [ 267.272086] ? save_stack+0x43/0xd0 [ 267.275740] ? kasan_kmalloc+0xc4/0xe0 [ 267.279662] ? kasan_slab_alloc+0x12/0x20 [ 267.283853] ? find_held_lock+0x36/0x1c0 [ 267.287964] ? check_same_owner+0x320/0x320 [ 267.292319] ? rcu_note_context_switch+0x710/0x710 [ 267.297283] __should_failslab+0x124/0x180 [ 267.301554] should_failslab+0x9/0x14 [ 267.305383] kmem_cache_alloc_node_trace+0x26f/0x770 [ 267.310525] __kmalloc_node_track_caller+0x33/0x70 [ 267.315519] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 267.320315] __alloc_skb+0x14d/0x780 [ 267.324084] ? skb_scrub_packet+0x580/0x580 [ 267.328439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.334011] ? _copy_from_user+0xdf/0x150 [ 267.338194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.343243] ? rw_copy_check_uvector+0x2d3/0x3a0 [ 267.348049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.353623] ? import_iovec+0x24b/0x420 [ 267.357635] ? dup_iter+0x270/0x270 [ 267.361295] pfkey_sendmsg+0x250/0x1050 [ 267.365296] ? _copy_from_user+0xdf/0x150 [ 267.369472] ? pfkey_spdget+0xb10/0xb10 [ 267.373488] ? security_socket_sendmsg+0x94/0xc0 [ 267.378271] ? pfkey_spdget+0xb10/0xb10 [ 267.382283] sock_sendmsg+0xd5/0x120 [ 267.386026] ___sys_sendmsg+0x805/0x940 [ 267.390033] ? copy_msghdr_from_user+0x560/0x560 [ 267.394821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.400382] ? proc_fail_nth_write+0x96/0x1f0 [ 267.404909] ? __fget_light+0x2ef/0x430 [ 267.410082] ? fget_raw+0x20/0x20 [ 267.413554] ? find_held_lock+0x36/0x1c0 [ 267.417642] ? kasan_check_write+0x14/0x20 [ 267.421887] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 267.426842] ? wait_for_completion+0x870/0x870 [ 267.431438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.437013] ? sockfd_lookup_light+0xc5/0x160 [ 267.441531] __sys_sendmsg+0x115/0x270 [ 267.445425] ? __ia32_sys_shutdown+0x80/0x80 [ 267.449855] ? __sb_end_write+0xac/0xe0 [ 267.453843] ? fput+0x130/0x1a0 [ 267.457122] ? ksys_write+0x1a6/0x250 [ 267.460937] __x64_sys_sendmsg+0x78/0xb0 [ 267.465005] do_syscall_64+0x1b1/0x800 [ 267.468893] ? finish_task_switch+0x1ca/0x810 [ 267.473388] ? syscall_return_slowpath+0x5c0/0x5c0 [ 267.478317] ? syscall_return_slowpath+0x30f/0x5c0 [ 267.483263] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 267.488626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.493471] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.499006] RIP: 0033:0x455979 [ 267.502190] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 267.509922] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 267.517270] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 267.524533] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/05/11 20:20:53 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:53 executing program 6: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x80, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x8, 0x101000) ioctl$ION_IOC_ALLOC(r0, 0xc0184900, &(0x7f00000001c0)={0x1000, 0x24, 0x1, r1}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000380)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-serpent-sse2\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r3 = accept$alg(r2, 0x0, 0x0) sendmmsg$alg(r3, &(0x7f0000002840)=[{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000a00)="e35c65c4329ff8f7a0f8ddf00e092151436bbfe31146f796c7ff81c5", 0x1c}], 0x1, &(0x7f0000000cc0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r3, &(0x7f0000000180)={&(0x7f0000000000)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000080)=""/27, 0x1b}], 0x1, &(0x7f0000000200)=""/125, 0x7d, 0xfffffffffffffffc}, 0x0) 2018/05/11 20:20:53 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0\x00', 0x408101, 0x0) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000000140)=0x8) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = dup3(r2, r0, 0x0) getpeername$netrom(r3, &(0x7f0000000080)=@full, &(0x7f0000000000)=0x48) setsockopt$inet6_tcp_TCP_CONGESTION(r3, 0x6, 0xd, &(0x7f0000000240)='bbr\x00', 0x27b) sendfile(r2, r4, 0x0, 0xff) 2018/05/11 20:20:53 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:53 executing program 6: r0 = socket$inet6(0xa, 0x80000, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000000040)="e8f0d15886b03f83925745fc083e4da9e009e744eef30b850cc074e4e1bb04d3e79799c30a9e1d6e704ffa37392afb2fbbf61cdf3a21ebe2b3227c5d0c50a0c64c76c07e776a7ccdf2d65473ec9b5ea5394d607f7dae8d8fc3aec9df66f03e8cf2fcefd316fc612a6463350e50476df523c077ce159b5a1ccaef72d93aec38711a29e03bf7153b58c77e4dc840e4d5f7", 0x90) socketpair$inet6(0xa, 0x1, 0x29de, &(0x7f0000000100)) 2018/05/11 20:20:53 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) 2018/05/11 20:20:53 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x800, 0x0) ioctl$ASHMEM_GET_PROT_MASK(r3, 0x7706, &(0x7f00000000c0)) ioctl(r2, 0x8912, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r4 = dup3(r1, r0, 0x0) ioctl$EVIOCGBITKEY(r4, 0x80404521, &(0x7f00000001c0)=""/148) sendfile(r1, r4, 0x0, 0xff) [ 267.531795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 267.539242] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000001 2018/05/11 20:20:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4c000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:53 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r1, r0, 0x0) sendfile(r1, r2, 0x0, 0xff) [ 267.689903] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 267.762183] FAULT_INJECTION: forcing a failure. [ 267.762183] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 267.774212] CPU: 1 PID: 16880 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #42 [ 267.781509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.790874] Call Trace: [ 267.793488] dump_stack+0x1b9/0x294 [ 267.797137] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.802334] ? __lock_acquire+0x7f5/0x5140 [ 267.806588] should_fail.cold.4+0xa/0x1a [ 267.810658] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.815780] ? rb_next+0x140/0x140 [ 267.819323] ? check_noncircular+0x20/0x20 [ 267.823571] ? __lock_acquire+0x7f5/0x5140 [ 267.827823] ? unwind_get_return_address+0x61/0xa0 [ 267.832767] ? __save_stack_trace+0x7e/0xd0 [ 267.837120] ? debug_check_no_locks_freed+0x310/0x310 [ 267.842311] ? perf_trace_lock+0xd6/0x900 [ 267.846649] ? zap_class+0x720/0x720 [ 267.850379] ? __lock_acquire+0x7f5/0x5140 [ 267.854629] ? zap_class+0x720/0x720 [ 267.858347] __alloc_pages_nodemask+0x34e/0xd70 [ 267.863025] ? print_usage_bug+0xc0/0xc0 [ 267.867101] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 267.872116] ? zap_class+0x720/0x720 [ 267.875829] ? graph_lock+0x170/0x170 [ 267.879639] ? graph_lock+0x170/0x170 [ 267.883445] ? __lock_acquire+0x7f5/0x5140 [ 267.887682] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 267.893253] alloc_pages_current+0x10c/0x210 [ 267.897699] skb_page_frag_refill+0x453/0x6a0 [ 267.902210] ? sock_kfree_s+0x60/0x60 [ 267.906025] ? rcu_is_watching+0x85/0x140 [ 267.910198] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 267.915401] tun_build_skb.isra.51+0x341/0x1d50 [ 267.920072] ? __wake_up_common_lock+0x1c2/0x300 [ 267.924851] ? tun_device_event+0x1020/0x1020 [ 267.929361] ? perf_trace_lock+0xd6/0x900 [ 267.933514] ? graph_lock+0x170/0x170 [ 267.937328] ? zap_class+0x720/0x720 [ 267.941059] ? rb_erase+0x3530/0x3530 [ 267.944862] ? graph_lock+0x170/0x170 [ 267.948688] ? find_held_lock+0x36/0x1c0 [ 267.952777] ? print_usage_bug+0xc0/0xc0 [ 267.956868] ? print_usage_bug+0xc0/0xc0 [ 267.960966] ? find_held_lock+0x36/0x1c0 [ 267.965077] ? print_usage_bug+0xc0/0xc0 [ 267.969151] ? print_usage_bug+0xc0/0xc0 [ 267.973226] ? __lock_acquire+0x7f5/0x5140 [ 267.977458] ? __lock_acquire+0x7f5/0x5140 [ 267.981697] ? debug_check_no_locks_freed+0x310/0x310 [ 267.986895] ? __lock_acquire+0x7f5/0x5140 [ 267.991159] ? debug_check_no_locks_freed+0x310/0x310 [ 267.996379] tun_get_user+0xc04/0x4100 [ 268.000317] ? __perf_event_task_sched_out+0x2e8/0x1a30 [ 268.005701] ? tun_build_skb.isra.51+0x1d50/0x1d50 [ 268.010627] ? graph_lock+0x170/0x170 [ 268.014427] ? zap_class+0x720/0x720 [ 268.018145] ? perf_trace_lock+0xd6/0x900 [ 268.022301] ? find_held_lock+0x36/0x1c0 [ 268.026368] ? lock_downgrade+0x8e0/0x8e0 [ 268.030510] ? rcu_is_watching+0x85/0x140 [ 268.034654] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 268.039860] ? tun_get+0x22b/0x360 [ 268.043408] ? tun_chr_close+0x180/0x180 [ 268.047473] tun_chr_write_iter+0xb9/0x154 [ 268.051719] do_iter_readv_writev+0x859/0xa50 [ 268.056225] ? vfs_dedupe_file_range+0xa00/0xa00 [ 268.060990] ? rw_verify_area+0x118/0x360 [ 268.065140] do_iter_write+0x185/0x5f0 [ 268.069034] ? dup_iter+0x270/0x270 [ 268.072667] vfs_writev+0x1c7/0x330 [ 268.076288] ? vfs_iter_write+0xb0/0xb0 [ 268.080265] ? wait_for_completion+0x870/0x870 [ 268.084888] ? schedule+0xef/0x430 [ 268.088460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.094009] ? __fdget_pos+0xd6/0x1e0 [ 268.097913] ? __fdget_raw+0x20/0x20 [ 268.101635] ? __sb_end_write+0xac/0xe0 [ 268.105609] do_writev+0x112/0x2f0 [ 268.109170] ? vfs_writev+0x330/0x330 [ 268.112983] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 268.117837] __x64_sys_writev+0x75/0xb0 [ 268.121824] do_syscall_64+0x1b1/0x800 [ 268.125726] ? finish_task_switch+0x1ca/0x810 [ 268.130234] ? syscall_return_slowpath+0x5c0/0x5c0 [ 268.135197] ? syscall_return_slowpath+0x30f/0x5c0 [ 268.140162] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 268.145554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.150674] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.155872] RIP: 0033:0x455831 [ 268.159094] RSP: 002b:00007f937907eba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 268.166838] RAX: ffffffffffffffda RBX: 0000000000000046 RCX: 0000000000455831 [ 268.174108] RDX: 0000000000000001 RSI: 00007f937907ebf0 RDI: 00000000000000fc [ 268.181383] RBP: 0000000020000000 R08: 00000000000000fc R09: 0000000000000000 [ 268.188653] R10: 0000000000000046 R11: 0000000000000293 R12: 0000000000000013 [ 268.195929] R13: 00000000000006ad R14: 00000000006fe0d8 R15: 0000000000000000 2018/05/11 20:20:54 executing program 6: r0 = memfd_create(&(0x7f0000000040)='dev ', 0x3) ioctl$KVM_GET_XCRS(r0, 0x8188aea6, &(0x7f0000000080)={0x4, 0x3, [{0x2, 0x0, 0x1}, {0x8}, {0x10000, 0x0, 0xffffffff}, {0x6, 0x0, 0xcdd}]}) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000000)={r0, r0, 0xa, 0x2}, 0x10) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1000000, 0x11, r0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x3, &(0x7f0000001fd8)=ANY=[@ANYBLOB="a4000000000000006c000000000000009500ff0000000000"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000011000)=""/195}, 0x48) 2018/05/11 20:20:54 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:54 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(0xffffffffffffffff, r0, 0x0) sendfile(0xffffffffffffffff, r2, 0x0, 0xff) 2018/05/11 20:20:54 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000fff00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xe00, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:54 executing program 1 (fault-call:0 fault-nth:1): syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x9) writev(r0, &(0x7f0000096000)=[{&(0x7f00005a5000)="580000001400192340a14b80fd0d8c560a0600000000e076000543d8d8fe5800000024ca7f4f643e8900050028635a000510f5100002000000000000001c04ed5dfffff500002f000d000100040408000004ff0000000005", 0x58}], 0x1) 2018/05/11 20:20:54 executing program 5 (fault-call:1 fault-nth:2): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 268.442375] FAULT_INJECTION: forcing a failure. [ 268.442375] name failslab, interval 1, probability 0, space 0, times 0 [ 268.449929] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 268.453738] CPU: 0 PID: 16888 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 268.453760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.480730] Call Trace: [ 268.483355] dump_stack+0x1b9/0x294 [ 268.487028] ? dump_stack_print_info.cold.2+0x52/0x52 2018/05/11 20:20:54 executing program 3: r0 = openat$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = dup3(r0, 0xffffffffffffffff, 0x0) sendfile(r0, r2, 0x0, 0xff) 2018/05/11 20:20:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xa00, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 268.492253] ? rcu_is_watching+0x85/0x140 [ 268.496443] should_fail.cold.4+0xa/0x1a [ 268.500545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.505703] ? lock_acquire+0x1dc/0x520 [ 268.509709] ? graph_lock+0x170/0x170 [ 268.513548] ? find_held_lock+0x36/0x1c0 [ 268.517646] ? __lock_is_held+0xb5/0x140 [ 268.521791] ? check_same_owner+0x320/0x320 [ 268.526159] ? rcu_note_context_switch+0x710/0x710 [ 268.531139] __should_failslab+0x124/0x180 [ 268.535414] should_failslab+0x9/0x14 2018/05/11 20:20:54 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 268.539248] kmem_cache_alloc+0x2af/0x760 [ 268.543442] skb_clone+0x1ed/0x4f0 [ 268.547017] ? skb_split+0x11d0/0x11d0 [ 268.550961] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.556026] ? iov_iter_advance+0x2e4/0x14c0 [ 268.556523] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 268.560463] ? check_same_owner+0x320/0x320 [ 268.560486] pfkey_process+0xb9/0x8a0 [ 268.560506] ? iov_iter_npages+0xe60/0xe60 [ 268.560522] ? pfkey_send_new_mapping+0x1260/0x1260 [ 268.560533] ? copyin+0xb7/0x100 [ 268.560550] ? _copy_from_iter_full+0x2b0/0xd10 [ 268.560568] ? usercopy_warn+0x120/0x120 [ 268.560588] ? iov_iter_advance+0x14c0/0x14c0 [ 268.606171] pfkey_sendmsg+0x5f4/0x1050 [ 268.610177] ? _copy_from_user+0xdf/0x150 [ 268.614361] ? pfkey_spdget+0xb10/0xb10 [ 268.618371] ? security_socket_sendmsg+0x94/0xc0 [ 268.623160] ? pfkey_spdget+0xb10/0xb10 [ 268.627166] sock_sendmsg+0xd5/0x120 [ 268.630920] ___sys_sendmsg+0x805/0x940 [ 268.634937] ? copy_msghdr_from_user+0x560/0x560 2018/05/11 20:20:54 executing program 6: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000800)={&(0x7f00000003c0)={0x10}, 0xc, &(0x7f00000007c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="ac000000210001030000000000000000e0000001000000000000000000000000fe8000000000000000000000000000bb00000000000000000000000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000005c0011000000008f2a03fee6cc0c000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000fe800000000000000000000000000200000000000000000000000000"], 0xac}, 0x1}, 0x0) r1 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9d6, 0x40000) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000580)={{{@in=@rand_addr, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @rand_addr}}, 0x0, @in6=@local}}, &(0x7f0000000680)=0xe8) sendmsg$can_raw(r1, &(0x7f0000001840)={&(0x7f00000006c0)={0x1d, r2}, 0x10, &(0x7f0000000780)={&(0x7f0000000700)=@canfd={{0x2, 0xff, 0x2, 0x3f}, 0x10, 0x3, 0x0, 0x0, "209b41cef761e62b59b3858ad685d700f4059db1abd3f7e5c63083169506c858d73f529ded169b0acf0645783ed018b021c3066e43c6cfa338273abf3c2d776a"}, 0x48}, 0x1}, 0x20000800) 2018/05/11 20:20:54 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 268.639741] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.645305] ? proc_fail_nth_write+0x96/0x1f0 [ 268.649924] ? __fget_light+0x2ef/0x430 [ 268.653936] ? fget_raw+0x20/0x20 [ 268.657424] ? find_held_lock+0x36/0x1c0 [ 268.661517] ? kasan_check_write+0x14/0x20 [ 268.665776] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 268.670743] ? wait_for_completion+0x870/0x870 [ 268.675366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.680952] ? sockfd_lookup_light+0xc5/0x160 [ 268.685664] __sys_sendmsg+0x115/0x270 2018/05/11 20:20:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x60, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 268.689584] ? __ia32_sys_shutdown+0x80/0x80 [ 268.694029] ? __sb_end_write+0xac/0xe0 [ 268.698035] ? fput+0x130/0x1a0 [ 268.701342] ? ksys_write+0x1a6/0x250 [ 268.705202] __x64_sys_sendmsg+0x78/0xb0 [ 268.709268] do_syscall_64+0x1b1/0x800 [ 268.713154] ? finish_task_switch+0x1ca/0x810 [ 268.717662] ? syscall_return_slowpath+0x5c0/0x5c0 [ 268.722592] ? syscall_return_slowpath+0x30f/0x5c0 [ 268.727535] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 268.732913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.737761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.742948] RIP: 0033:0x455979 [ 268.746128] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 268.753835] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 268.761104] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 268.768369] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 268.775659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 268.782921] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000002 2018/05/11 20:20:54 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:54 executing program 5 (fault-call:1 fault-nth:3): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:54 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f00000000c0)={0x2, 0xffffffffffffff9c, 0x1}) ioctl$KVM_GET_DEVICE_ATTR(r3, 0x4018aee2, &(0x7f0000000140)={0x0, 0x6, 0x7, &(0x7f0000000100)=0x1f}) getsockname$ax25(r2, &(0x7f0000000000), &(0x7f0000000080)=0x10) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) sysfs$2(0x2, 0x3e2, &(0x7f00000002c0)=""/186) bind$bt_l2cap(r2, &(0x7f00000001c0)={0x1f, 0x1, {0x5, 0x3, 0x2, 0x8, 0x23, 0x80}, 0x4, 0x4}, 0xe) [ 268.840251] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 268.897237] FAULT_INJECTION: forcing a failure. [ 268.897237] name failslab, interval 1, probability 0, space 0, times 0 [ 268.909069] CPU: 1 PID: 16930 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 268.914462] FAULT_INJECTION: forcing a failure. [ 268.914462] name failslab, interval 1, probability 0, space 0, times 0 [ 268.916372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.916383] Call Trace: [ 268.916417] dump_stack+0x1b9/0x294 [ 268.916440] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.916474] ? mutex_trylock+0x2a0/0x2a0 [ 268.952495] should_fail.cold.4+0xa/0x1a [ 268.956562] ? kmem_cache_free+0x25c/0x2d0 [ 268.960821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.965933] ? skb_gro_receive+0x12d0/0x12d0 [ 268.970353] ? graph_lock+0x170/0x170 [ 268.975146] ? find_held_lock+0x36/0x1c0 [ 268.979219] ? __lock_is_held+0xb5/0x140 [ 268.983288] ? perf_trace_ext4_request_blocks+0xb50/0xbc0 [ 268.988846] ? check_same_owner+0x320/0x320 [ 268.993180] ? pfkey_broadcast+0x607/0x900 [ 268.997426] ? rcu_note_context_switch+0x710/0x710 [ 269.002371] __should_failslab+0x124/0x180 [ 269.006703] should_failslab+0x9/0x14 [ 269.010514] kmem_cache_alloc_trace+0x2cb/0x780 [ 269.015200] ? skb_split+0x11d0/0x11d0 [ 269.019112] pfkey_dump+0x18d/0x6d0 [ 269.022744] ? pfkey_spddump+0x210/0x210 [ 269.026806] pfkey_process+0x7cc/0x8a0 [ 269.030702] ? pfkey_send_new_mapping+0x1260/0x1260 [ 269.035739] pfkey_sendmsg+0x5f4/0x1050 [ 269.039717] ? _copy_from_user+0xdf/0x150 [ 269.043883] ? pfkey_spdget+0xb10/0xb10 [ 269.047872] ? security_socket_sendmsg+0x94/0xc0 [ 269.052640] ? pfkey_spdget+0xb10/0xb10 [ 269.056617] sock_sendmsg+0xd5/0x120 [ 269.060337] ___sys_sendmsg+0x805/0x940 [ 269.064321] ? copy_msghdr_from_user+0x560/0x560 [ 269.069096] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.074638] ? proc_fail_nth_write+0x96/0x1f0 [ 269.079144] ? __fget_light+0x2ef/0x430 [ 269.083132] ? fget_raw+0x20/0x20 [ 269.086586] ? find_held_lock+0x36/0x1c0 [ 269.090654] ? kasan_check_write+0x14/0x20 [ 269.094897] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 269.099831] ? wait_for_completion+0x870/0x870 [ 269.104429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.109970] ? sockfd_lookup_light+0xc5/0x160 [ 269.114479] __sys_sendmsg+0x115/0x270 [ 269.118371] ? __ia32_sys_shutdown+0x80/0x80 [ 269.122800] ? __sb_end_write+0xac/0xe0 [ 269.126778] ? fput+0x130/0x1a0 [ 269.130073] ? ksys_write+0x1a6/0x250 [ 269.133889] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 269.138753] __x64_sys_sendmsg+0x78/0xb0 [ 269.142821] do_syscall_64+0x1b1/0x800 [ 269.146712] ? finish_task_switch+0x1ca/0x810 [ 269.151210] ? syscall_return_slowpath+0x5c0/0x5c0 [ 269.156145] ? syscall_return_slowpath+0x30f/0x5c0 [ 269.161080] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 269.166451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.171387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.176581] RIP: 0033:0x455979 [ 269.179776] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 269.187490] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 269.194761] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 269.202030] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 269.209306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 269.216575] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000003 [ 269.223870] CPU: 0 PID: 16935 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #42 [ 269.231169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.240532] Call Trace: [ 269.243131] dump_stack+0x1b9/0x294 [ 269.246767] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.251968] ? debug_check_no_locks_freed+0x310/0x310 [ 269.257163] should_fail.cold.4+0xa/0x1a [ 269.261221] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.266407] ? debug_check_no_locks_freed+0x310/0x310 [ 269.271595] ? rcu_pm_notify+0xc0/0xc0 [ 269.275487] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.280503] ? __alloc_pages_nodemask+0xacf/0xd70 [ 269.285435] ? graph_lock+0x170/0x170 [ 269.289236] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 269.294279] ? find_held_lock+0x36/0x1c0 [ 269.298382] __should_failslab+0x124/0x180 [ 269.302633] should_failslab+0x9/0x14 [ 269.306436] kmem_cache_alloc+0x47/0x760 [ 269.310506] __build_skb+0xa3/0x410 [ 269.314141] ? skb_try_coalesce+0x1c70/0x1c70 [ 269.318632] ? graph_lock+0x170/0x170 [ 269.322515] ? lock_acquire+0x1dc/0x520 [ 269.326658] ? tun_build_skb.isra.51+0x48b/0x1d50 [ 269.331503] build_skb+0x6f/0x2e0 [ 269.334967] ? __build_skb+0x410/0x410 [ 269.338942] tun_build_skb.isra.51+0x88e/0x1d50 [ 269.343610] ? tun_device_event+0x1020/0x1020 [ 269.348094] ? lock_acquire+0x1dc/0x520 [ 269.352075] ? alloc_set_pte+0x1013/0x1600 [ 269.356325] ? graph_lock+0x170/0x170 [ 269.360157] ? print_usage_bug+0xc0/0xc0 [ 269.364227] ? reacquire_held_locks+0xbc/0x3e0 [ 269.368815] ? alloc_set_pte+0x1013/0x1600 [ 269.373050] ? print_usage_bug+0xc0/0xc0 [ 269.377115] ? print_usage_bug+0xc0/0xc0 [ 269.381183] ? lock_downgrade+0x8e0/0x8e0 [ 269.385359] ? print_usage_bug+0xc0/0xc0 [ 269.389413] ? print_usage_bug+0xc0/0xc0 [ 269.393475] ? __lock_acquire+0x7f5/0x5140 [ 269.397718] ? debug_check_no_locks_freed+0x310/0x310 [ 269.402909] ? print_usage_bug+0xc0/0xc0 [ 269.406993] ? debug_check_no_locks_freed+0x310/0x310 [ 269.412218] ? __lock_acquire+0x7f5/0x5140 [ 269.416464] tun_get_user+0xc04/0x4100 [ 269.420348] ? debug_check_no_locks_freed+0x310/0x310 [ 269.425542] ? debug_check_no_locks_freed+0x310/0x310 [ 269.430734] ? tun_build_skb.isra.51+0x1d50/0x1d50 [ 269.435654] ? graph_lock+0x170/0x170 [ 269.439448] ? graph_lock+0x170/0x170 [ 269.443239] ? lock_acquire+0x1dc/0x520 [ 269.447205] ? __fdget_pos+0x1a9/0x1e0 [ 269.451086] ? find_held_lock+0x36/0x1c0 [ 269.455154] ? lock_downgrade+0x8e0/0x8e0 [ 269.459310] ? kasan_check_read+0x11/0x20 [ 269.463469] ? rcu_is_watching+0x85/0x140 [ 269.467606] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 269.472814] ? tun_get+0x22b/0x360 [ 269.476345] ? tun_chr_close+0x180/0x180 [ 269.480414] tun_chr_write_iter+0xb9/0x154 [ 269.484656] do_iter_readv_writev+0x859/0xa50 [ 269.489153] ? vfs_dedupe_file_range+0xa00/0xa00 [ 269.493919] ? rw_verify_area+0x118/0x360 [ 269.498073] do_iter_write+0x185/0x5f0 [ 269.501964] ? dup_iter+0x270/0x270 [ 269.505604] vfs_writev+0x1c7/0x330 [ 269.509243] ? vfs_iter_write+0xb0/0xb0 [ 269.513227] ? wait_for_completion+0x870/0x870 [ 269.517817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.523349] ? __fdget_pos+0xd6/0x1e0 [ 269.527165] ? __fdget_raw+0x20/0x20 [ 269.530891] ? __sb_end_write+0xac/0xe0 [ 269.534870] do_writev+0x112/0x2f0 [ 269.538503] ? vfs_writev+0x330/0x330 [ 269.542308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.547864] __x64_sys_writev+0x75/0xb0 [ 269.551839] do_syscall_64+0x1b1/0x800 [ 269.555722] ? finish_task_switch+0x1ca/0x810 [ 269.560221] ? syscall_return_slowpath+0x5c0/0x5c0 [ 269.565167] ? syscall_return_slowpath+0x30f/0x5c0 [ 269.570095] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 269.575466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.580320] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.585502] RIP: 0033:0x455831 [ 269.588696] RSP: 002b:00007f937907eba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 269.596400] RAX: ffffffffffffffda RBX: 0000000000000046 RCX: 0000000000455831 [ 269.603669] RDX: 0000000000000001 RSI: 00007f937907ebf0 RDI: 00000000000000fc [ 269.610928] RBP: 0000000020000000 R08: 00000000000000fc R09: 0000000000000000 [ 269.618198] R10: 0000000000000046 R11: 0000000000000293 R12: 0000000000000013 [ 269.625461] R13: 00000000000006ad R14: 00000000006fe0d8 R15: 0000000000000001 2018/05/11 20:20:55 executing program 6: r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x9, 0xb2280) accept$alg(r0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r0, 0x40a85323, &(0x7f0000000100)={{0x1, 0x3}, 'port1\x00', 0x8, 0x800, 0x9, 0x0, 0x9cf, 0x0, 0x7fffffff, 0x0, 0x4, 0xff}) syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0xffff, 0x20100) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(sha256-avx)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000280)="49dca02a15618172380732eaf4f1103054eba920cc47642133cbda83b1c389600509e1287f09da740a5c80c76c6dabccda709b7aba3f69e31f36000aabae695117", 0x41) 2018/05/11 20:20:55 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x11000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:55 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0x0, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:55 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = fcntl$getown(r1, 0x9) syz_open_procfs(r3, &(0x7f0000000000)='net/ipx\x00') r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:20:55 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:55 executing program 5 (fault-call:1 fault-nth:4): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:55 executing program 1 (fault-call:0 fault-nth:2): syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:55 executing program 2: r0 = socket$inet6(0xa, 0x0, 0x0) recvmsg(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000480), 0x0, &(0x7f0000000500)=""/180, 0xb4}, 0x0) setsockopt$inet6_int(r0, 0x29, 0x2, &(0x7f0000000000)=0x2, 0x4) bind$inet6(r0, &(0x7f0000726fe4)={0xa, 0x4e23}, 0x1c) getpeername$inet6(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, @mcast2}, &(0x7f0000000080)=0x1c) sendto$inet6(r0, &(0x7f00000001c0), 0x0, 0x0, &(0x7f0000000180)={0xa, 0x4e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) [ 269.764233] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 269.777625] FAULT_INJECTION: forcing a failure. [ 269.777625] name failslab, interval 1, probability 0, space 0, times 0 [ 269.789107] CPU: 1 PID: 16947 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 269.796398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.805777] Call Trace: [ 269.808408] dump_stack+0x1b9/0x294 [ 269.812084] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.817313] should_fail.cold.4+0xa/0x1a [ 269.821417] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.826567] ? kasan_check_write+0x14/0x20 [ 269.830870] ? trace_hardirqs_on+0xd/0x10 [ 269.835060] ? wait_for_completion+0x870/0x870 [ 269.839680] ? find_held_lock+0x36/0x1c0 [ 269.843794] ? check_same_owner+0x320/0x320 [ 269.848152] ? rcu_note_context_switch+0x710/0x710 [ 269.853117] __should_failslab+0x124/0x180 [ 269.857390] should_failslab+0x9/0x14 [ 269.861223] kmem_cache_alloc_node+0x272/0x780 [ 269.865844] ? pfkey_dump+0x56b/0x6d0 [ 269.869695] ? pfkey_spddump+0x210/0x210 [ 269.873806] __alloc_skb+0x111/0x780 [ 269.877586] ? skb_scrub_packet+0x580/0x580 [ 269.881983] pfkey_sendmsg+0x684/0x1050 [ 269.886002] ? _copy_from_user+0xdf/0x150 [ 269.890203] ? pfkey_spdget+0xb10/0xb10 [ 269.894226] ? security_socket_sendmsg+0x94/0xc0 [ 269.899025] ? pfkey_spdget+0xb10/0xb10 [ 269.903044] sock_sendmsg+0xd5/0x120 [ 269.906835] ___sys_sendmsg+0x805/0x940 [ 269.910865] ? copy_msghdr_from_user+0x560/0x560 [ 269.915672] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.921269] ? proc_fail_nth_write+0x96/0x1f0 [ 269.925819] ? __fget_light+0x2ef/0x430 [ 269.929842] ? fget_raw+0x20/0x20 [ 269.933322] ? find_held_lock+0x36/0x1c0 [ 269.937417] ? kasan_check_write+0x14/0x20 [ 269.941686] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 269.946655] ? wait_for_completion+0x870/0x870 [ 269.951403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.957005] ? sockfd_lookup_light+0xc5/0x160 [ 269.961539] __sys_sendmsg+0x115/0x270 [ 269.965459] ? __ia32_sys_shutdown+0x80/0x80 [ 269.969894] ? __sb_end_write+0xac/0xe0 [ 269.973896] ? fput+0x130/0x1a0 [ 269.977207] ? ksys_write+0x1a6/0x250 [ 269.981044] __x64_sys_sendmsg+0x78/0xb0 [ 269.985148] do_syscall_64+0x1b1/0x800 [ 269.989063] ? finish_task_switch+0x1ca/0x810 [ 269.993589] ? syscall_return_slowpath+0x5c0/0x5c0 [ 269.998554] ? syscall_return_slowpath+0x30f/0x5c0 [ 270.003516] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 270.008919] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/05/11 20:20:55 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:55 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:56 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 270.013801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.019013] RIP: 0033:0x455979 [ 270.022220] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 270.029946] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 270.037236] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 270.044527] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 270.046959] FAULT_INJECTION: forcing a failure. [ 270.046959] name failslab, interval 1, probability 0, space 0, times 0 [ 270.051806] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 270.051814] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000004 [ 270.078149] CPU: 0 PID: 16978 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #42 [ 270.085442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.094838] Call Trace: [ 270.097452] dump_stack+0x1b9/0x294 [ 270.101102] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.106344] should_fail.cold.4+0xa/0x1a [ 270.110446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.115589] ? __lock_acquire+0x7f5/0x5140 [ 270.119868] ? debug_check_no_locks_freed+0x310/0x310 [ 270.125089] ? graph_lock+0x170/0x170 [ 270.128929] ? lock_downgrade+0x8e0/0x8e0 [ 270.133095] ? ip6_hold_safe+0x16d/0x430 [ 270.137189] ? print_usage_bug+0xc0/0xc0 [ 270.141285] __should_failslab+0x124/0x180 [ 270.145557] should_failslab+0x9/0x14 [ 270.149387] kmem_cache_alloc_node+0x56/0x780 [ 270.153933] __alloc_skb+0x111/0x780 [ 270.157672] ? graph_lock+0x170/0x170 [ 270.161507] ? skb_scrub_packet+0x580/0x580 [ 270.165857] ? __lock_acquire+0x7f5/0x5140 [ 270.170131] ? print_usage_bug+0xc0/0xc0 [ 270.174224] ? debug_check_no_locks_freed+0x310/0x310 [ 270.179467] ? debug_check_no_locks_freed+0x310/0x310 [ 270.184703] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.189762] alloc_skb_with_frags+0x137/0x760 [ 270.194287] ? __lock_acquire+0x7f5/0x5140 [ 270.198549] ? __lock_acquire+0x7f5/0x5140 [ 270.202806] ? skb_complete_wifi_ack+0x1e0/0x1e0 [ 270.207777] sock_alloc_send_pskb+0x87a/0xae0 [ 270.212306] ? addrconf_sysctl_stable_secret+0x920/0x920 [ 270.217783] ? sock_wmalloc+0x1e0/0x1e0 [ 270.221868] ? find_held_lock+0x36/0x1c0 [ 270.225960] ? __lock_acquire+0x7f5/0x5140 [ 270.230229] ? find_held_lock+0x36/0x1c0 [ 270.234336] ? graph_lock+0x170/0x170 [ 270.238168] ? debug_check_no_locks_freed+0x310/0x310 [ 270.243388] ? mark_held_locks+0xc9/0x160 [ 270.247556] sock_alloc_send_skb+0x32/0x40 [ 270.251968] __ip6_append_data.isra.46+0x1f60/0x3760 [ 270.257091] ? lock_downgrade+0x8e0/0x8e0 [ 270.261271] ? ip6_setup_cork+0x1800/0x1800 [ 270.265605] ? ip6_mtu+0x1b3/0x590 [ 270.269143] ? ip6_sk_redirect+0x130/0x130 [ 270.273391] ? find_held_lock+0x36/0x1c0 [ 270.277471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.283010] ? ip6_setup_cork+0x10b8/0x1800 [ 270.287510] ? ip6_dst_mtu_forward+0x470/0x470 [ 270.292111] ? graph_lock+0x170/0x170 [ 270.296051] ? lock_acquire+0x1dc/0x520 [ 270.300049] ? icmp6_send+0x1c76/0x2d90 [ 270.304047] ip6_append_data+0x1bd/0x2e0 [ 270.308214] ? rawv6_exit+0x20/0x20 [ 270.311874] ? rawv6_exit+0x20/0x20 [ 270.315527] icmp6_send+0x1e24/0x2d90 [ 270.319338] ? icmpv6_push_pending_frames+0x540/0x540 [ 270.324538] ? print_usage_bug+0xc0/0xc0 [ 270.328607] ? __lock_acquire+0x7f5/0x5140 [ 270.332854] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 270.337882] ? ip6t_do_table+0xd6c/0x1cd0 [ 270.342045] ? ip6_pol_route_input+0x62/0x80 [ 270.346487] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 270.352045] ? fib6_rule_lookup+0x263/0x6d0 [ 270.356377] ? ip6_pol_route+0x3d40/0x3d40 [ 270.360627] ? graph_lock+0x170/0x170 [ 270.364450] ? lock_acquire+0x1dc/0x520 [ 270.368425] ? inet6_unregister_icmp_sender+0x50/0x50 [ 270.373632] ? icmpv6_push_pending_frames+0x540/0x540 [ 270.378828] icmpv6_send+0x17a/0x300 [ 270.382557] ? icmpv6_push_pending_frames+0x540/0x540 [ 270.387758] ? icmpv6_send+0x17a/0x300 [ 270.391648] ? inet6_unregister_icmp_sender+0x50/0x50 [ 270.396848] ? icmpv6_push_pending_frames+0x540/0x540 [ 270.402074] ? udp_v6_get_port+0x660/0x660 [ 270.406338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.411896] ip6_pkt_drop+0x18b/0x460 [ 270.415708] ip6_pkt_prohibit+0x1f/0x30 [ 270.419691] ip6_rcv_finish+0x29c/0xa10 [ 270.423688] ? ip6_make_skb+0x620/0x620 [ 270.427672] ? rcu_is_watching+0x85/0x140 [ 270.431836] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 270.437033] ? udp_v6_get_port+0x660/0x660 [ 270.441285] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.446302] ? nf_hook_slow+0x11e/0x1c0 [ 270.450275] ipv6_rcv+0xed6/0x22a0 [ 270.453824] ? ip6_input+0x5e0/0x5e0 [ 270.457550] ? is_bpf_text_address+0xd7/0x170 [ 270.462063] ? kernel_text_address+0x79/0xf0 [ 270.466488] ? __kernel_text_address+0xd/0x40 [ 270.470995] ? ip6_make_skb+0x620/0x620 [ 270.474975] ? ip6_input+0x5e0/0x5e0 [ 270.478689] __netif_receive_skb_core+0x26f5/0x3630 [ 270.483714] ? nf_ingress+0xa00/0xa00 [ 270.487532] ? __lock_acquire+0x7f5/0x5140 [ 270.491782] ? memcpy+0x45/0x50 [ 270.495082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.500649] ? __skb_flow_dissect+0xba1/0x45e0 [ 270.505255] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 270.510463] ? debug_check_no_locks_freed+0x310/0x310 [ 270.515680] ? skb_flow_dissect_tunnel_info+0xaa0/0xaa0 [ 270.521061] ? graph_lock+0x170/0x170 [ 270.524880] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.529902] ? kmem_cache_alloc+0x5fa/0x760 [ 270.534243] ? find_held_lock+0x36/0x1c0 [ 270.538328] ? lock_downgrade+0x8e0/0x8e0 [ 270.542477] ? lock_downgrade+0x8e0/0x8e0 [ 270.547247] ? pvclock_read_flags+0x160/0x160 [ 270.551927] ? build_skb+0x1c7/0x2e0 [ 270.555664] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 270.560876] ? ktime_get_with_offset+0x395/0x4a0 [ 270.565646] ? lock_acquire+0x1dc/0x520 [ 270.569631] ? netif_receive_skb_internal+0xa2/0x7b0 [ 270.575873] ? kasan_check_read+0x11/0x20 [ 270.580040] ? rcu_is_watching+0x85/0x140 [ 270.584219] ? lock_acquire+0x1dc/0x520 [ 270.588248] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 270.593455] __netif_receive_skb+0x2c/0x1e0 [ 270.597801] netif_receive_skb_internal+0x126/0x7b0 [ 270.602853] ? dev_cpu_dead+0xad0/0xad0 [ 270.606855] ? reacquire_held_locks+0xbc/0x3e0 [ 270.611466] ? kasan_check_read+0x11/0x20 [ 270.615637] ? rcu_is_watching+0x85/0x140 [ 270.619815] ? rcu_pm_notify+0xc0/0xc0 [ 270.623729] netif_receive_skb+0xba/0x400 [ 270.627921] ? netif_receive_skb_internal+0x7b0/0x7b0 [ 270.633147] ? find_held_lock+0x36/0x1c0 [ 270.637253] ? tun_rx_batched.isra.53+0x494/0x8c0 [ 270.642125] tun_rx_batched.isra.53+0x4ba/0x8c0 [ 270.646826] ? tun_sock_write_space+0x390/0x390 [ 270.651609] ? kasan_check_read+0x11/0x20 [ 270.656051] ? rcu_is_watching+0x85/0x140 [ 270.660234] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 270.665464] tun_get_user+0x2bcc/0x4100 [ 270.669465] ? debug_check_no_locks_freed+0x310/0x310 [ 270.674683] ? debug_check_no_locks_freed+0x310/0x310 [ 270.679900] ? tun_build_skb.isra.51+0x1d50/0x1d50 [ 270.684829] ? graph_lock+0x170/0x170 [ 270.688638] ? graph_lock+0x170/0x170 [ 270.692455] ? lock_acquire+0x1dc/0x520 [ 270.696433] ? __fdget_pos+0x1a9/0x1e0 [ 270.700332] ? find_held_lock+0x36/0x1c0 [ 270.704407] ? kasan_check_read+0x11/0x20 [ 270.708553] ? rcu_is_watching+0x85/0x140 [ 270.712700] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 270.717918] ? tun_get+0x22b/0x360 [ 270.721477] ? tun_chr_close+0x180/0x180 [ 270.725564] tun_chr_write_iter+0xb9/0x154 [ 270.729799] do_iter_readv_writev+0x859/0xa50 [ 270.734302] ? vfs_dedupe_file_range+0xa00/0xa00 [ 270.739066] ? rw_verify_area+0x118/0x360 [ 270.743235] do_iter_write+0x185/0x5f0 [ 270.747128] ? dup_iter+0x270/0x270 [ 270.750756] vfs_writev+0x1c7/0x330 [ 270.754379] ? vfs_iter_write+0xb0/0xb0 [ 270.758351] ? wait_for_completion+0x870/0x870 [ 270.762947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.768487] ? __fdget_pos+0xd6/0x1e0 [ 270.772579] ? __fdget_raw+0x20/0x20 [ 270.776301] ? __sb_end_write+0xac/0xe0 [ 270.780285] do_writev+0x112/0x2f0 [ 270.783846] ? vfs_writev+0x330/0x330 [ 270.787656] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.793219] __x64_sys_writev+0x75/0xb0 [ 270.797190] do_syscall_64+0x1b1/0x800 [ 270.801089] ? finish_task_switch+0x1ca/0x810 [ 270.805599] ? syscall_return_slowpath+0x5c0/0x5c0 [ 270.810534] ? syscall_return_slowpath+0x30f/0x5c0 [ 270.815469] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 270.820842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.825878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.831071] RIP: 0033:0x455831 [ 270.834252] RSP: 002b:00007f937907eba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 270.841960] RAX: ffffffffffffffda RBX: 0000000000000046 RCX: 0000000000455831 [ 270.849234] RDX: 0000000000000001 RSI: 00007f937907ebf0 RDI: 00000000000000fc [ 270.856514] RBP: 0000000020000000 R08: 00000000000000fc R09: 0000000000000000 2018/05/11 20:20:56 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf401000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:56 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") openat$cgroup_int(r0, &(0x7f0000000000)='memory.swap.max\x00', 0x2, 0x0) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) setsockopt$bt_BT_POWER(r3, 0x112, 0x9, &(0x7f0000000080)=0x70f, 0xfffffffffffffdbd) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) futex(&(0x7f00000000c0)=0x1, 0xb, 0x0, &(0x7f0000000140)={r4, r5+10000000}, &(0x7f00000001c0)=0x1, 0x2) connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e22, 0x2, @empty, 0x52}, 0x1c) 2018/05/11 20:20:56 executing program 2: r0 = getpid() tkill(r0, 0x1a) timer_create(0x0, &(0x7f0000cd0000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f00004b1fe0)={{0x0, 0x1c9c380}, {0x0, 0x9}}, &(0x7f0000040000)) r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r1, 0x7fff) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000f40000)='/dev/ptmx\x00', 0x200000000101002, 0x0) sendfile(r2, r1, &(0x7f0000b4bff8), 0x100000002) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000040)) ppoll(&(0x7f0000000180)=[{r1, 0xf1cd}, {r2}], 0x2, &(0x7f00000001c0)={0x77359400}, &(0x7f0000000200)={0x7}, 0x8) r3 = getpgid(0x0) tkill(r3, 0x1000000000016) 2018/05/11 20:20:56 executing program 6: r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x20, 0x4000) r1 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xffffffffffffffff) r2 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a}, 0x0, 0x0, r1) add_key$user(&(0x7f00003bd000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f0000facfff)="06", 0x1, r2) r3 = add_key$user(&(0x7f0000fc0ffb)='user\x00', &(0x7f0000752ffb)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00003eb000)="b3", 0x1, r2) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000240), 0x14) keyctl$update(0x2, r3, &(0x7f00000004c0)="df02754677212dfc3e2abcb24473e8e1cfef09742258cbae7b26fdc3ffa615d9da494137e175e9f2780ac5e2a09f43a1fcebf272a5a135de92bf4a9033933824f6e6aa0238014e3293535d1c0066d28e0f275188b4b4c187e18774fc2227cbb6610fc6697f5337726164c8fbe1181e6d50986cd98a5c44ac0ec375deb27eafcf7d06438f2525100400000003e7dc2f8fd85adcd88ca30e75b1e143262d94defa187e482a9b9a9a387353df7a21affce4e9149e040000000000000065afd979e9", 0xc0) r4 = socket$inet(0x2, 0x4000000000000001, 0x0) lstat(&(0x7f0000000580)='./file1\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000640)={0x0, 0x0, 0x0}, &(0x7f0000000680)=0xc) r7 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0x4000, 0x6) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r7, 0x84, 0x1e, &(0x7f0000000340), &(0x7f0000000380)=0x4) setregid(r5, r6) setsockopt$inet_tcp_int(r4, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r4, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r4, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) fstat(r4, &(0x7f00000001c0)) ioctl$KVM_GET_MP_STATE(r0, 0x8004ae98, &(0x7f00000005c0)) sendto$inet(r4, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r4, 0x6, 0xd, &(0x7f00003d1ffc)='bbr\x00', 0x4) recvmmsg(r4, &(0x7f0000004ec0)=[{{&(0x7f0000000740)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast1}}}, 0x80, &(0x7f0000001000)=[{&(0x7f00000007c0)=""/110, 0x6e}, {&(0x7f00000003c0)=""/4, 0x4}, {&(0x7f0000000840)=""/235, 0xeb}, {&(0x7f0000000940)=""/179, 0xb3}, {&(0x7f0000000a00)=""/249, 0xf9}, {&(0x7f0000000b00)=""/75, 0x4b}, {&(0x7f0000000440)=""/34, 0x22}], 0x7, &(0x7f0000002040)=""/106, 0x6a, 0x3}, 0x5}, {{&(0x7f00000020c0)=@nfc_llcp, 0x80, &(0x7f0000002540)=[{&(0x7f0000002140)=""/179, 0xb3}, {&(0x7f0000003700)=""/4096, 0x1000}, {&(0x7f0000002200)=""/193, 0xc1}, {&(0x7f0000002300)=""/104, 0x68}, {&(0x7f0000002380)=""/168, 0xa8}], 0x5, &(0x7f0000004700)=""/228, 0xe4, 0xfffffffffffffff7}, 0x2}, {{&(0x7f0000002640)=@un=@abs, 0x80, &(0x7f0000004900)=[{&(0x7f0000004800)=""/100, 0x64}, {&(0x7f0000000b80)=""/55, 0x37}, {&(0x7f0000004880)=""/100, 0x64}, {&(0x7f0000001080)=""/19, 0x13}], 0x4, &(0x7f0000004940)=""/63, 0x3f, 0x10000}, 0x8f}, {{&(0x7f0000004980)=@l2, 0x80, &(0x7f0000004b40)=[{&(0x7f0000004a00)=""/82, 0x52}, {&(0x7f0000004a80)=""/147, 0x93}], 0x2, &(0x7f0000004b80)=""/205, 0xcd, 0x17c5}, 0x100000001}, {{&(0x7f0000004c80)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, 0x80, &(0x7f0000004dc0)=[{&(0x7f0000004d00)=""/135, 0x87}], 0x1, &(0x7f0000004e00)=""/152, 0x98, 0x200}, 0xd8}], 0x5, 0x100, &(0x7f0000005000)) bind$inet6(r8, &(0x7f0000005040)={0xa, 0x4e22, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, 0x1c) sendmmsg(r4, &(0x7f00000025c0)=[{{&(0x7f0000000000)=@generic={0x10, "10d47fb532021171be90db20c688e0225f5fedbb79fca55d04fc947ed1eb50d0dd7480cdebf0fb24d555a832d381f00e8db17357673aa53f88fc10f3c4b627f0b33e618daa7b235ace315cea995539bfacc39d0e4bd54a44a6b97be2f0060831c2a2af156e48e5d37a3fc9c9e5b5d1b48dcceb7374a316b562c7ee192023"}, 0x80, &(0x7f00000002c0), 0x0, &(0x7f0000000680)}, 0x5}], 0x1, 0x4000) sendto$inet(r4, &(0x7f0000000bc0)="1ead7755d47bd6975c78c3765d65736f918745774ce7ce945bfa9268d5eb6deb1fca6318a507beaec853f16e463ba20747330037ef4c09961231f637024afbc06f850dbcffe9890bb1fc7c89ca10a6af35038920fe8dae329e4cc489ed5abce0ab9fbf8ba64aa7f0eb726434dd18b3976d1dfd61b6ba66558ce0d57fd8acc7e36a629d2a865a3853ad85d8d65176c69f350cf73bea4e9f0d9c7eae26956690dea2c9d0a0e94f57c01f7c643ca78f819a28ae070aa400039889f3e25fec01ed47a5a5539494a1967a804ebe967a15d044050440652a060098024e102ec61f764e06fd3d4f748ff348e6ed0ab2569e545d5e56c78b2045dcc12a98c90cbb93f3bb6eb5b08a10374cec1923b8aeb1792605570b64bacca8024c3df83b5c45eed7d060db4442e004dd406a03182808482025ac0726894219b2e545781fff01a88e436c1d48321991481c699df7c6bba3fb8225a3842f2fd59cec0034aaeeed94786f2ac6fba63c9d06043a6c49d43ce276f0286acd4e6cf4c7e9abe1f2769a42ae1d95c067e6da327bcaba963afa09271e1ecfd51a53bffece0fee383aa70bec585311092199905948d7d55465ad0c57701e368d3363e5f42e7ebf6429fc1fd4f793fbad39a448d1f658dbc4a275ec285256c09f68cc3db4618de606ac9c967f4a454b76d527aaa49288c6f07d4e48b8e588703a9983149d79076cebda42e966669b0cf0dd94d0c0c1564b1626608a3a0ccb2c6afdb93afced873b127601257b0e41ed8090fd905158393e801c92c9f926f1662c3b18b9e29eea3249b2c334a8d4c7cf78e8c2e8042a29a41bb686b7405e73904027bf1276778872b03b9a8b91db1a2f9df958ab056cf965c4ab085360030af7703e478e0a3161ffccd51ec0a9ce95ba8c8373562aa3903c9c5038b23d4af55095f85733e3c98efcb0cd3d4405e88da4dc911a3d480a800c6ac204b8b29b8e569b2a1f263e8ce62399dd5308c8381bbdf518d9ae8de419f124990614d26c64b1f90fef5eaf278338b1437b21b40cbcb95dcaee2775080f12bfdcfe135d1f805143b2c0754ab12f07751713b5d997875240da83d36c5d9984d02782d16b008e4a14fb8195d3584a4a2d7513627881b2707fff915bd1766ed6f9a8f017f5bf14462ee5bb0390e95b884faee2b13f482deea47bafa7ad2a85d73cfb08618906331e97040808c5c554c16e287119abfbcc2940cb37f65f6291ac2b5eed13b19733259457c600ad52aaf1a020f1f62b3064e63bb21f4b6c4b9c6517f5dd66e1cf7a9de015c68c0810e8085c9c52e04081b61298c812e87bff332bf47789e040880d31280cc1efda350ab5b658af983021c654514166bc2d43c7536c6e1a367eb961868b4484ce757690fbe39b3449c3ef012519dfe922da79e21973ab4da340d3db91d4b189edf585f7484c66e8eb6bb0308973dc421abd2186836d23246b25f7cd1586a4c07701eb1dfeadcd4656c8fefc3c83b843538b2c340feda2623cb4ce4152d94c3c46bc5e5d", 0x438, 0x0, &(0x7f00000000c0)={0x2, 0x4e21}, 0x10) sendmsg(r4, &(0x7f0000000480)={&(0x7f0000000100)=@nfc={0x27, 0x1, 0x2}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000080)="6645c0956ffeec997ae3b59698756da82c0fcf8b15d8c19fbd2d82a1e1b566bfbf326bc155eab79c", 0x28}], 0x1, 0x0, 0x0, 0x20000000}, 0x800) shutdown(r4, 0x1) 2018/05/11 20:20:56 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:56 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"627269646765300000000000fffffdfd", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:56 executing program 5 (fault-call:1 fault-nth:5): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 270.863794] R10: 0000000000000046 R11: 0000000000000293 R12: 0000000000000013 [ 270.871152] R13: 00000000000006ad R14: 00000000006fe0d8 R15: 0000000000000002 [ 270.919277] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 270.934462] FAULT_INJECTION: forcing a failure. [ 270.934462] name failslab, interval 1, probability 0, space 0, times 0 [ 270.945831] CPU: 0 PID: 17010 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #42 [ 270.953182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.962569] Call Trace: [ 270.965206] dump_stack+0x1b9/0x294 [ 270.968878] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.974101] ? is_bpf_text_address+0xd7/0x170 [ 270.978637] ? kernel_text_address+0x79/0xf0 [ 270.983088] ? __unwind_start+0x166/0x330 [ 270.987359] should_fail.cold.4+0xa/0x1a [ 270.991456] ? __save_stack_trace+0x7e/0xd0 [ 270.995812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.000958] ? save_stack+0xa9/0xd0 [ 271.004619] ? save_stack+0x43/0xd0 [ 271.008269] ? kasan_kmalloc+0xc4/0xe0 [ 271.012180] ? kasan_slab_alloc+0x12/0x20 2018/05/11 20:20:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:57 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000bfcfee)='/dev/input/event#\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip_tables_names\x00') r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') sendmsg$FOU_CMD_GET(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x609, 0x70bd28, 0x25dfdbfb, {0x3}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e20}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e22}, @FOU_ATTR_TYPE={0x8, 0x4, 0x3}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e21}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000004}, 0x8085) ioctl$EVIOCGUNIQ(r0, 0x80404508, &(0x7f000039ef7a)=""/134) 2018/05/11 20:20:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x1f4, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 271.016386] ? find_held_lock+0x36/0x1c0 [ 271.020498] ? check_same_owner+0x320/0x320 [ 271.024865] ? rcu_note_context_switch+0x710/0x710 [ 271.029849] __should_failslab+0x124/0x180 [ 271.034122] should_failslab+0x9/0x14 [ 271.037953] kmem_cache_alloc_node_trace+0x26f/0x770 [ 271.043104] __kmalloc_node_track_caller+0x33/0x70 [ 271.048081] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 271.051016] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 271.052869] __alloc_skb+0x14d/0x780 [ 271.052894] ? skb_scrub_packet+0x580/0x580 [ 271.052936] pfkey_sendmsg+0x684/0x1050 [ 271.075299] ? _copy_from_user+0xdf/0x150 [ 271.079463] ? pfkey_spdget+0xb10/0xb10 [ 271.083461] ? security_socket_sendmsg+0x94/0xc0 [ 271.088225] ? pfkey_spdget+0xb10/0xb10 [ 271.092212] sock_sendmsg+0xd5/0x120 [ 271.095923] ___sys_sendmsg+0x805/0x940 [ 271.099893] ? copy_msghdr_from_user+0x560/0x560 [ 271.104659] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.110190] ? proc_fail_nth_write+0x96/0x1f0 [ 271.114681] ? __fget_light+0x2ef/0x430 [ 271.118652] ? fget_raw+0x20/0x20 [ 271.122106] ? find_held_lock+0x36/0x1c0 [ 271.126166] ? kasan_check_write+0x14/0x20 [ 271.130415] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 271.135344] ? wait_for_completion+0x870/0x870 [ 271.139934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.145484] ? sockfd_lookup_light+0xc5/0x160 [ 271.149990] __sys_sendmsg+0x115/0x270 [ 271.153881] ? __ia32_sys_shutdown+0x80/0x80 [ 271.158292] ? __sb_end_write+0xac/0xe0 [ 271.162261] ? fput+0x130/0x1a0 [ 271.165589] ? ksys_write+0x1a6/0x250 [ 271.169389] __x64_sys_sendmsg+0x78/0xb0 [ 271.173447] do_syscall_64+0x1b1/0x800 [ 271.177334] ? finish_task_switch+0x1ca/0x810 [ 271.181837] ? syscall_return_slowpath+0x5c0/0x5c0 [ 271.186758] ? syscall_return_slowpath+0x30f/0x5c0 [ 271.191695] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 271.197056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.201895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.207080] RIP: 0033:0x455979 [ 271.210254] RSP: 002b:00007f695522bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2018/05/11 20:20:57 executing program 1: syz_emit_ethernet(0xd, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) [ 271.217968] RAX: ffffffffffffffda RBX: 00007f695522c6d4 RCX: 0000000000455979 [ 271.225233] RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 [ 271.232496] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 271.239839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 271.247099] R13: 0000000000000538 R14: 00000000006fbde0 R15: 0000000000000005 2018/05/11 20:20:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4c, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:57 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = syz_open_dev$midi(&(0x7f0000000080)='/dev/midi#\x00', 0x8001, 0x10001) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000200)={0x0, 0x9}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000002a00)={0x0, 0xfff, 0x937, 0x3, 0x4, 0x75, 0x1ef6, 0x8, {0x0, @in={{0x2, 0x4e22}}, 0x48, 0x1, 0x4, 0x100, 0x3}}, &(0x7f0000002ac0)=0xb0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000003200)=@assoc_value={0x0, 0x7f}, &(0x7f0000003240)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000003280)=@assoc_value={0x0, 0x5}, &(0x7f00000032c0)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000003300)={0x0, @in6={{0xa, 0x4e20, 0x200, @mcast2={0xff, 0x2, [], 0x1}}}, [0x5, 0x0, 0x101, 0x4bb0, 0x401, 0x2, 0xfffffffffffffffd, 0xffffffff, 0x0, 0x5, 0x5, 0xa3d, 0x5, 0xb, 0x6b0]}, &(0x7f0000003400)=0x100) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000004c00)={0x0}, &(0x7f0000004c40)=0x8) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000004c80)=@assoc_id=0x0, &(0x7f0000004cc0)=0x4) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000004d00)={0x0, 0x2d, "1885ec7a6b0a110755241da95fb8d44808d6a222c9ff6dae9f9504f86d17b8798207ba745334ffc70fc44eda4b"}, &(0x7f0000004d40)=0x35) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000004d80)={0x0, @in6={{0xa, 0x4e24, 0xffffffffffff0001, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x5}}, [0x83e0, 0xffffffffffffffff, 0x7, 0x24249fec, 0x4, 0x4, 0x3ff, 0x1, 0x7fff, 0x6, 0x8001, 0x3, 0x7, 0x8, 0x4]}, &(0x7f0000004e80)=0x100) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000007180)={0x0, @in6={{0xa, 0x4e21, 0x4b2, @mcast2={0xff, 0x2, [], 0x1}, 0x1}}, 0x7475, 0x298f}, &(0x7f0000007240)=0x90) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000007280)={0x0, 0xff, 0x30, 0xfbd5, 0x8}, &(0x7f00000072c0)=0x18) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000007300)={0x0, 0x3}, &(0x7f0000007340)=0x8) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000007380)={0x0, 0x77, "cf9c05e214d8331f0ceac2a7b04814f3352d41ca2412c5a9eaba61246bad8d24b176de50d2138579a3360c260f6f75af595b39b5fbff394e872c27eacb863a4960c1ced79bbc67759f480e602f6ae416620e8ec4b074f12fe2a706ef602bce6cd8364cae106fd7c9023436ed8b18c28c262593ff209936"}, &(0x7f0000007400)=0x7f) sendmmsg$inet_sctp(r2, &(0x7f0000007540)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x8}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000100)="0884ce028fd56cfd78a81be14534c23a695d3dcd34a207be39660dc1e82a95bcda45d100b179cd5b9b36693cc1d81b99ae870b3b50d8ea45aca637d49cd7e79bf307712ab3b9df0a5c18eef46afdd3", 0x4f}], 0x1, &(0x7f00000002c0)=[@init={0x18, 0x84, 0x0, {0x7f, 0x1, 0x10000, 0x6}}, @init={0x18, 0x84, 0x0, {0x2, 0x401, 0xc62, 0x100000001}}, @authinfo={0x18, 0x84, 0x6, {0x2}}, @sndinfo={0x20, 0x84, 0x2, {0x1, 0x2, 0x1, 0x4, r3}}, @authinfo={0x18, 0x84, 0x6, {0x8}}, @init={0x18, 0x84, 0x0, {0x4, 0x4, 0x6, 0x5}}, @dstaddrv4={0x18, 0x84, 0x7}, @authinfo={0x18, 0x84, 0x6, {0x15b}}], 0xc8, 0x1}, {&(0x7f00000003c0)=@in6={0xa, 0x4e23, 0x17, @mcast1={0xff, 0x1, [], 0x1}, 0x3}, 0x1c, &(0x7f0000002940)=[{&(0x7f0000000400)="21e352ec239124618db4f4c874fef16f84b97182f657c22658594f90e74a501807104ff3b0c11ec2929dd0fa179fb681a5b5674874fd6dc2a048df0eb1dbd621a101c0a3b65fe75245e692d76d60dcb2004f9146754c85b7436f04594aa1a27b2a5b157fed216c35de4da5a33a2a91635fcd442b07d4a00ee82307d5d0c559fc6248f18cd2d24037a1630092882a560c8030bd7fe50db3fa2668a438bf48ecc02e59e2108c21e7b0e2d9", 0xaa}, {&(0x7f00000004c0)="86e8b6cdc4bda34a215419190d7f0b5e6afaab3d4cf202a5117abceffd645950647b81b56b665e120a95ec92d5376ebb6b0797db8c847ef16402c234e4433ebbb7196bbd9cc8963b60cb54a09f5e6bc8ee1ee2730d1c13b714f657702fb822b1c12f0d1751e5900d19a1296a7cbb9c1c89c5bc2f378ddd5fdc4479fea270b88bc6ffe6f05739ce1225570db3f67864d2c7eeb0d139c7b10e9efebd6dacc427ae643bce92", 0xa4}, {&(0x7f0000000580)="1517d4546b4ce048784b27b8eb1c7c579d1bb08c984b3ac2843c0c466d59c329d80c5b2f1568f0847a92dd874040b26751122d97aa0d0c61cc22b715fa1c36cca62f59067547f5dbc90d537054ebc85a758e7f96868155c19e0e748021085adde1ee4cdcf9d2f58e803e7823bf9e68b8c51475d50ef8246997fa52d5f77ef66ad3cf5a1b38469da521943a4747ee5eee2692bce2ae6d345fbe1795afb5204de044b7415a105aaa255a0f1e0e33ce01f819ffe8a5c9f216bf41c444d3d155c0a2755e9ac0d8d08a92ea68", 0xca}, {&(0x7f0000000680)="17aba266dff87230fe1ed3aa862826335222859a79ddf317450e2a070a55c3c857bdc79ef44451cdae3e9baffe2b1bcc591c0455d69e6f46b4a24c8c717580a4e5f07680b638a8f9b5f801d411ec49192870d5eeda947273b3f1a589526c865d5f7469131c89cd79f2a706c17f91319308e5f519b0c60f9b594a55", 0x7b}, {&(0x7f0000000700)="7dfd8d369b1df76f5d8f4059bb2e87b3376e2f22543b5aa1ebdb054dcaf0591ae8af17fb4b64705dce0fb812d81f9b32bb690a861f6bade3cce916e4f61c2b3f67bfacd159c7e8f7a5a29b52daa99d37a9be9153c71f1c6d0b9f70dcd4d5d9987d5f8270e47a2ff1d0d9280af234b0c9", 0x70}, {&(0x7f0000000780)="d5dbf88ca5423a5402bed671221eacbef0101d47c24887d957afd634e4e34ee47c3083120079e98d5ec3d4564166f230be0fdfa7038cdee0b64c2a5168c2c26e2e86f4865eda5410a66d4e9c0778ed4afd3f6639180dea95c7b6e35b6f3d33a48ebc37d6068dd0d9d26331b49df19ab1054960fdb24db6d9eb7155615d15186b6d4db6ae382542e1db2de8206a934780e26441ada6284ec4cc08060e7d9ad4b8cc206365320f44b2fa8d3903a6d2daef5a4b9facd97552787451878c7596272f1d70bf743c7cb8fe2421025c992d1042a94a3886bdbf10649324f158e84df67db9c808266e1750ac17e348b572ab8b19137c1c2295aaeda1", 0xf8}, {&(0x7f0000000880)="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", 0x1000}, {&(0x7f0000001880)="595f7711f75af152cf954fa19e4c23efff58bcf993e1df4b409abecef707164cbbb62c201f4f6cbe78e337e1720efca7b3f87717f79737d6aee0dbdeaf106b92032bab50cc55f9949645dc1b001d97a6ca2a74b20f76cd57dca547b08cecf470731828575c178a7c830313dc34680e053e1151cdecc936089cfefd6cd9246a21c841b64960f468ac32fd430c34496446e96cad5a2a0c30de1114", 0x9a}, 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0x1000}], 0x9, &(0x7f0000002b00)=[@dstaddrv4={0x18, 0x84, 0x7, @broadcast=0xffffffff}, @sndrcv={0x30, 0x84, 0x1, {0x37385629, 0x3, 0x8000, 0x0, 0x1, 0x401, 0xffff, 0x7441, r4}}, @prinfo={0x18, 0x84, 0x5, {0x10, 0x1}}, @init={0x18, 0x84, 0x0, {0x101, 0x4, 0x20, 0x9}}], 0x78, 0x20008040}, {&(0x7f0000002b80)=@in6={0xa, 0x4e20, 0x8000, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x8}, 0x1c, &(0x7f0000003140)=[{&(0x7f0000002bc0)="e84f9902aebb14ad405fd56b46", 0xd}, {&(0x7f0000002c00)="2d8cd421e10aeec69b9d87f23e2fda79f1e6383685159e", 0x17}, {&(0x7f0000002c40)="b8cdfaa54b55140a7f1ace0f972b8151c28b4114788372e4aea5", 0x1a}, {&(0x7f0000002c80)="e057b35dc1be7eeee620755332ae7bbe7d3e2eb2f646754245a253b97e4bdf485177dbc7268146e72f2b4ac50325cf563ade15770442c775b5b45c88e7a38c6721f04a7c5fd84ee347a04e98372abdd092565b7f6083202feddbeacfde2c239e0d4a62af", 0x64}, {&(0x7f0000002d00)="948501364f8f09ab9a70a58a1cb0cd7e51e34b55e674e49c9f13fcf2b9f5928f253f65b45509c57c1499cd742ea9d663a638652176d7ce9d5e81b9db6bd1fa133121b19065bd11b88989b1caf53b4ba360257b83a63de74673ee15719bd995536eb9f2affadc9f27b00aa73b726ebb935ec5424ecf45227e7fb79b8a61db4a60f227ece24dc0eb458303ba0a39ef624b9674eacd7f0f0595b9c88d9bd24b2b84284ece4a5e02c90a93454bd76ba9ce014dc7ae1b2f6cc379f3a1e7e7968430add6a37cc9a79b81b19c0e3c2472911a1e1ed29838f5f9d39e439681bd2157f293ba3903c828f9f9d8f31e317fa6554c95ada0", 0xf2}, {&(0x7f0000002e00)="aead10ace9691a41756fc0c28d7a81e7db927d9967228d76019422a1f99a6c141bb876f83d17a737440373c81181f5d599aedeed8477b160d2e77d2b7f892c2a217487a3a9a3ab27ab75530afcf091a8a7965a04f66cba9e3e04122e0e168ec553327db7171575f3ef0b33175821cc386c6f7f50a8913e0477dc8ac6c689eba9f33a5df9764f84dcad89c898ed6742a698ea19b7bb4edf36c65095c214eb9b94cbd27e36469dcc93cd27b30a6af850a5bc09f3ec4ffd961fc2", 0xb9}, {&(0x7f0000002ec0)="707d1db4f8574752620c41006084ab09a36c9488c548bb41e45bfd90ae82330c23eb067df6bb8ed4b836b1adc73f2b5e14c36928ad437514a2aedbc1020ee3e233a833bd76add79e973dd475e4dd6813ca8493c1a90ce15b8c6a66a748f36cb63604d31cd4a05add5ce2b899683e2716688829c5b6d91ede454e77f5bdaf49463a3dc635515e81526a54a668fbdd32c0cc0fc62a7ac3589f45743bfa07a60cf8733ae9cb7c7786c2", 0xa8}, {&(0x7f0000002f80)="04b61c4ea5f7a7b30f4cde555cdd1827bd9f91a3bd8985fba476b3ac500b1e64a484f7f90a6bb0062b3d40b2b8b7729244c3b28683ec6ed05389b97d6787773974294a08c063c7e4c67b0152dc8a07bff868c2ce18cb142fe67cf6e2a45066db646f31f857cd17296fcdaed4f66e036db37d73ce403f6869aee2570b6b3ac09cf687f18acd94fe4ad8e8cbb6a6d357bbf0bce6b7a177f588ae37a8bd490bce6b3c76", 0xa2}, {&(0x7f0000003040)="3a680a81777d1c7976e132dd88abe18eab69619132aef016cf5a4e2e524e3dcd24198dd9819cc470220b796b1edd0cfa5845343b2162bbb0adbd22dcd0351714a1dc0174418f5e4a575a45888626", 0x4e}, {&(0x7f00000030c0)="29c76d6d4380d827d40588ae8f7c707766ce86eebbd1a70ef51f2a9f2f7ab7b17046f14120236896cb541a2fcff4e49516869b06f07a10618a3e8f96160557df7735eb3932565fb5395c61163e6b6f28d9", 0x51}], 0xa, &(0x7f0000003440)=[@sndrcv={0x30, 0x84, 0x1, {0xffffffff80000000, 0x978, 0x202, 0x7ff, 0x7f, 0x100, 0x0, 0x2, r5}}, @sndrcv={0x30, 0x84, 0x1, {0xff, 0x80000001, 0xb, 0xfff, 0x72a, 0x9, 0x4, 0xd16, r6}}, @authinfo={0x18, 0x84, 0x6, {0x1}}, @prinfo={0x18, 0x84, 0x5, {0x0, 0x1}}, @sndinfo={0x20, 0x84, 0x2, {0x3ff, 0x2, 0x10001, 0x4, r7}}], 0xb0, 0x24040084}, {&(0x7f0000003500)=@in={0x2, 0x4e20, @loopback=0x7f000001}, 0x10, &(0x7f00000039c0)=[{&(0x7f0000003540)="3324bfde55cb79a0a4822915a416aee906a8805865d2e3c99b5c6a38c6360ea4e7746e65e7bf90283d9c125d4a52a1d97edcc86acf3698021710be3b335490dc0fd455f6e544cbd1cf46a1f151b770cbffb885d8710362e61750acd3b08c9e06d891de7c222efe259d9633e7009cbeae4ef5b7d50b8bef3c93bb", 0x7a}, {&(0x7f00000035c0)="33217e630156fcb24e30b3171bcc20c4dffaaee0c6857eb01f035c14d08ec23d93a594f6ba7654f6cf00950d66bd1fc045931224fc14f07dc287aa4497ee73c73ca1450adec505f29b8b31ecf97e1a5b0c630c520db187313bd3edbddd2d5f1981bc7949a63b83a4d1ed68d63cf43efd52c1d254", 0x74}, {&(0x7f0000003640)="c3a492e8", 0x4}, {&(0x7f0000003680)="2c178b54a25da69bf38f1b43bc125678001770a3d5efd927656d56153e0b05d501bac09584ccf03cd3650a7c89b4aa4f48804f7da11550fd16c4e8fa341a8f24ca5ad2fdb51855d1fcb4d8e75334998dfb0f2a262341d8af6fafe96db7ce76bbb62138321b4d4f48f9cf64da53b42785dc26ccda20f1ab2eaec1774b2fbf64", 0x7f}, {&(0x7f0000003700)="921eb7700e076a903cce0bcabd3c249660bc04ad421828482a8d6c87b1fc8c048faa08f56c91fdb7bc9f75a8cb5a10ca1c4dc30e047fdbfb4ecdcd4e224570", 0x3f}, {&(0x7f0000003740)="d705dc7cec802e9a77bf22f34cfab0958c450b37981a8f13f7bc2fd1742183127d855f83c8009e0ee075bef5554e2dcc83378a5dea161d00471417d3d9bbd71e2dd7b63189ab24530b9aa1195dbe22be3d18f8cf3af75f55cc5c1c4ec54c0b361682855f8f1e6c17d0032ff65f84a59ecb05a700ed3d04a690e9ef40c6ff5dca1a60dfaf5c139f97ef39da5f2c77df2a1899", 0x92}, {&(0x7f0000003800)="70ddfdc56089b28da51ae7998c3a8915bc0cd32f8e3f38306e1b3ddf36dd48c93755f17928c9ad377ec3e1475f92102f9693a31d275f0abfe7a17851ef680a12e7864758a79d4262bf5335559cef593e1e28fd9d2072b05283cbd3a680fbc0653891b53c9511780ab2726177effd4fac0a576ddacaf0fc4d47e3068279d7a29a2a3a76e670824b1230e0b55809bf67899a9a718cc546ece2e88feea3d75d7f0d648f851cbfff781b0a26ddef0917dd1e54a48c72f71615ace04079f7df726ac95685c015d0ce214b5df4", 0xca}, {&(0x7f0000003900)="867ab93eda18bc644867e84e3abfca259222e592b19dcff3490cd61db33cb105b84cc2204a9479884b61d6581603f49cc76d21b1049417623b822187df588f6b7fbaf73265636d18081d9b0905a632573c622a633c22792a45cc4a3e0570d5fd75bba939060abbfcf5b27e5886c64331c501a8612cad588b175b7a99e4b2fc4b4fa4815fe4e43a1f3ffbd2dbf0bb62607bbf3131ed8e", 0x96}], 0x8, &(0x7f0000003a40)=[@authinfo={0x18, 0x84, 0x6, {0x7}}, @init={0x18, 0x84, 0x0, {0x200, 0x5, 0x3, 0xffffffffffffff80}}, @init={0x18, 0x84, 0x0, {0x1, 0xffffffffffffff62, 0x8, 0xd1}}, @authinfo={0x18, 0x84, 0x6, {0xffffffffffffff4d}}, @dstaddrv4={0x18, 0x84, 0x7, @loopback=0x7f000001}, @authinfo={0x18, 0x84, 0x6, {0x1c1fa6f9}}], 0x90, 0x40040}, {&(0x7f0000003b00)=@in={0x2, 0x4e21, @loopback=0x7f000001}, 0x10, &(0x7f0000004bc0)=[{&(0x7f0000003b40)="d4422bb3181c5cfa50f35a3f45395b1c2fd250fdbbef5649841f37d4f3c26e460e8938db92b152596a2bb420", 0x2c}, {&(0x7f0000003b80)="5d6fbed147abf1a6ad924facaf6908022c6ce009353d42aaac376794c09d6234af13ee2121737e9faa5d28e722fddd9b7e450217cd83788a31", 0x39}, {&(0x7f0000003bc0)="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0x1000}], 0x3, &(0x7f0000004ec0)=[@sndinfo={0x20, 0x84, 0x2, {0x1, 0x8, 0x3, 0x10000, r8}}, @sndinfo={0x20, 0x84, 0x2, {0x5, 0x8, 0x7, 0x7, r9}}, @dstaddrv4={0x18, 0x84, 0x7, @rand_addr=0x80000000}, @dstaddrv6={0x20, 0x84, 0x8, @local={0xfe, 0x80, [], 0xaa}}, @authinfo={0x18, 0x84, 0x6, {0x4}}, @sndrcv={0x30, 0x84, 0x1, {0x1, 0xfffffffffffffffb, 0x8000, 0x4, 0x100000001, 0x8, 0x8, 0x1fffc0000000000, r10}}, @dstaddrv4={0x18, 0x84, 0x7, @multicast1=0xe0000001}, @dstaddrv4={0x18, 0x84, 0x7, @loopback=0x7f000001}, @authinfo={0x18, 0x84, 0x6, {0x4}}, @sndinfo={0x20, 0x84, 0x2, {0xff, 0x200, 0x0, 0xffff, r11}}], 0x128, 0x40}, {&(0x7f0000005000)=@in6={0xa, 0x4e24, 0x100, @dev={0xfe, 0x80, [], 0x10}, 0x2}, 0x1c, &(0x7f00000060c0)=[{&(0x7f0000005040)="7cc6b12e6b1fb6e76ecb9a5497e9432ea768e7a3c9bf55175bcedc0c68b8251ade6488144c659c3062621a73d5b8b6a318096548e02dc6037762c2b9373b0a14f600e563690ce42d8362bbcd35bfc919829f256b7dfa", 0x56}, 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0x1000}], 0x2, 0x0, 0x0, 0x4}, {&(0x7f0000006100)=@in6={0xa, 0x4e23, 0x8, @loopback={0x0, 0x1}, 0x9}, 0x1c, &(0x7f0000007140)=[{&(0x7f0000006140)="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0x1000}], 0x1, &(0x7f0000007440)=[@sndinfo={0x20, 0x84, 0x2, {0x2, 0x0, 0x0, 0x401, r12}}, @prinfo={0x18, 0x84, 0x5, {0x10, 0x2}}, @init={0x18, 0x84, 0x0, {0x3f, 0x100000000, 0x8, 0xffffffff80000001}}, @sndinfo={0x20, 0x84, 0x2, {0x40, 0x8008, 0x500000000000, 0x879, r13}}, @sndinfo={0x20, 0x84, 0x2, {0xfffffffffffffffe, 0x2, 0x8, 0x3, r14}}, @sndinfo={0x20, 0x84, 0x2, {0xff, 0x200, 0x7, 0x8, r15}}, @dstaddrv4={0x18, 0x84, 0x7, @broadcast=0xffffffff}], 0xc8, 0x20000000}], 0x7, 0x1) r16 = socket(0xa, 0x1, 0x0) ioctl(r16, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r17 = dup3(r1, r0, 0x0) setsockopt$inet_udp_int(r1, 0x11, 0x67, &(0x7f0000000000)=0xfffffffffffffe01, 0x4) sendfile(r1, r17, 0x0, 0xff) 2018/05/11 20:20:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:57 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 271.366141] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x6c00000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 271.471436] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:57 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x2000, 0x8) ioctl$EVIOCGSND(r1, 0x8040451a, &(0x7f00000001c0)=""/142) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x6, 0x40401) ioctl$GIO_FONT(r4, 0x4b60, &(0x7f0000000080)=""/28) r5 = dup3(r2, r0, 0x0) sendfile(r2, r5, 0x0, 0xff) 2018/05/11 20:20:57 executing program 1: syz_emit_ethernet(0x86, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:57 executing program 5 (fault-call:1 fault-nth:6): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xe8030000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:57 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f00000014c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(xeta-generic)\x00'}, 0x58) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0xffffffffffffffd1) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r2 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000005380)=[{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)="3452d81a50ce31c780cfb4fa001d0c058fec6ccbd7dfd9a579eae39b2334d93b1c43df87931b2692f780f0a5bc8531964dcc5a332001d220da8c23bcd9fa67961ec0106033e17927", 0x48}], 0x1, &(0x7f0000000240)}], 0x1, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000003c0)={{{@in=@remote, @in6=@mcast1}}, {{@in=@local}, 0x0, @in6=@ipv4={[], [], @local}}}, &(0x7f0000000040)=0xe8) recvmsg(r2, &(0x7f0000d43000)={&(0x7f000076c000)=@hci, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000200)=""/69, 0x20000245}], 0x1, &(0x7f0000000300)=""/169, 0xa9}, 0x0) 2018/05/11 20:20:57 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000004c0)={0x26, 'aead\x00', 0x0, 0x0, 'rfc7539esp(ctr-serpent-sse2,tgr128-generic)\x00'}, 0x58) setsockopt$ALG_SET_AEAD_AUTHSIZE(r0, 0x117, 0x5, 0x0, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r1, 0x54a3) 2018/05/11 20:20:57 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000000000002", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:57 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 271.807654] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x0, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:57 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/snapshot\x00', 0xc4000, 0x0) ioctl$EVIOCGKEY(r2, 0x80404518, &(0x7f0000000300)=""/48) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = dup3(r0, r3, 0x0) socket$inet(0x2, 0x5, 0xfffffffffffffff9) sendfile(r1, r4, 0x0, 0xff) getsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000000)=@assoc_id=0x0, &(0x7f0000000080)=0x4) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}, @empty, @empty, 0x0, 0xfffffffffffffffe, 0x6, 0x500, 0x7f, 0x40500022}) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f00000000c0)={0x0, 0x0, 0xdee1, 0x3, r5}, &(0x7f0000000100)=0x10) 2018/05/11 20:20:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf401, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:58 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x4, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:58 executing program 6: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000280)={0x2, &(0x7f000000b000)=[{0x100050, 0x0, 0x0, 0xffffffffffb00000}, {0x6}]}, 0x10) syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x3, 0x0) writev(r1, &(0x7f0000009000)=[{&(0x7f000000e000)="15", 0x1}], 0x1) 2018/05/11 20:20:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:58 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 271.962415] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:58 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x9, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:58 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4) connect$inet6(r1, &(0x7f0000000080)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x4) getsockopt$inet6_tcp_buf(r1, 0x6, 0x1f, &(0x7f0000000200)=""/193, &(0x7f0000000300)=0xc1) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x0, 0x0) ioctl$SG_SET_DEBUG(r2, 0x227e, &(0x7f0000000100)) 2018/05/11 20:20:58 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xa, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:58 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:58 executing program 1: syz_emit_ethernet(0xfffffdef, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) flistxattr(r0, &(0x7f0000000000)=""/31, 0x1f) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$BLKGETSIZE(r3, 0x1260, &(0x7f0000000080)) 2018/05/11 20:20:58 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0xffffff7f00000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:58 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00\x00\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:58 executing program 2: r0 = memfd_create(&(0x7f0000000040)='cgroup%*!^}eth1vboxnet1procvboxnet1ppp0\x00', 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) ppoll(&(0x7f0000000000)=[{r0, 0x1000}, {r0, 0x80}, {r0, 0x4}, {r0, 0x8000}, {r0, 0x1082}], 0x5, &(0x7f00000000c0)={r1, r2+10000000}, &(0x7f0000000100)={0x2}, 0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000300)='pagemap\x00') sendfile(r0, r3, &(0x7f0000000140), 0x10ed5b) 2018/05/11 20:20:58 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 272.685392] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:58 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x4000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) fcntl$getownex(r2, 0x10, &(0x7f0000000000)={0x0, 0x0}) syz_open_procfs(r4, &(0x7f0000000080)='net/psched\x00') sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:58 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf0a000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:58 executing program 6: syz_emit_ethernet(0xf1, &(0x7f0000000040)=ANY=[@ANYBLOB="0180c2000000aaaa94aaaa000806000608000604af090ee8ee2492aa8204a058b6f637aaaa9e10a5621eaaaaaabb7f"], &(0x7f00000000c0)) socketpair(0xa, 0x80b, 0x4, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000100)={0x7f, 0x2, 'client1\x00', 0x4, "483bc3e7dede1ac3", "f1078f3da1c2e5c4668af1b99869bc3319ec03145a6be806e9cb1be877274aa1", 0x0, 0xfd58}) 2018/05/11 20:20:58 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:58 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x9000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 272.827841] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:59 executing program 6: io_setup(0x4, &(0x7f0000000ac0)=0x0) io_destroy(r0) io_setup(0x200, &(0x7f0000000000)) io_destroy(r0) r1 = socket(0xa, 0x80007, 0x8) setsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000100)=0x297, 0x4) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r2, 0xc1205531, &(0x7f0000000140)={0xeea, 0x20, 0x5, 0x81, [], [], [], 0x4, 0x100000000, 0x7, 0x6, "574beca19ba659bbcb8c10724c9ba4ae"}) ioctl$GIO_FONTX(r2, 0x4b6b, &(0x7f0000000080)=""/110) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000340)={0x0, 0xa0, &(0x7f0000000280)=[@in6={0xa, 0x4e21, 0xa54, @empty, 0x255}, @in6={0xa, 0x4e24, 0x1, @dev={0xfe, 0x80, [], 0xe}, 0x7}, @in6={0xa, 0x4e22, 0x3, @remote={0xfe, 0x80, [], 0xbb}, 0x1400000000000}, @in6={0xa, 0x4e22, 0x2, @dev={0xfe, 0x80, [], 0x14}, 0x4}, @in={0x2, 0x4e22, @rand_addr}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x16}}, @in={0x2, 0x4e20, @loopback=0x7f000001}]}, &(0x7f0000000380)=0x10) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f00000003c0)={r3, 0x100000000, 0x20}, &(0x7f0000000400)=0xc) 2018/05/11 20:20:59 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:59 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x7a000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:59 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x2000000) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:59 executing program 1: syz_emit_ethernet(0xfdef, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:20:59 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x400300, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:20:59 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000fffffdfd00", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:20:59 executing program 2: r0 = socket$inet(0x2b, 0x1, 0x100000001) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'team_slave_1\x00', 0x0}) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000100)={r1, @multicast1=0xe0000001}, 0xc) r2 = socket(0x4, 0x80000, 0x68f) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@mcast2, @in=@loopback}}, {{@in6=@mcast1}, 0x0, @in6}}, &(0x7f0000000240)=0xe8) getsockname(r0, &(0x7f0000000000)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, &(0x7f0000000080)=0x80) 2018/05/11 20:20:59 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:59 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x2, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 273.581981] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:59 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x2, 0x0) ioctl$IOC_PR_PREEMPT_ABORT(r2, 0x401870cc, &(0x7f0000000080)={0x7fff, 0x7, 0x1, 0x2}) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) socket(0x1f, 0x6, 0x7) 2018/05/11 20:20:59 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x3c, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:59 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:20:59 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x34000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 273.690823] QAT: Invalid ioctl [ 273.694322] QAT: Invalid ioctl [ 273.708708] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:20:59 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf0a0000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:20:59 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 273.764217] QAT: Invalid ioctl [ 273.767597] QAT: Invalid ioctl 2018/05/11 20:20:59 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc0\x00', 0x2060c0, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:20:59 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) ioctl$PPPIOCSMRU(r2, 0x40047452, &(0x7f0000000000)=0xe31e) sendfile(r1, r3, 0x0, 0xff) [ 273.812780] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 274.664814] INFO: trying to register non-static key. [ 274.670068] the code is fine but needs lockdep annotation. [ 274.675691] turning off the locking correctness validator. [ 274.681313] CPU: 1 PID: 17240 Comm: syz-executor6 Not tainted 4.17.0-rc4+ #42 [ 274.688577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.697932] Call Trace: [ 274.700540] dump_stack+0x1b9/0x294 [ 274.704164] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.709344] ? vprintk_func+0x81/0xe7 [ 274.713137] register_lock_class+0x1dd2/0x2630 [ 274.717709] ? __lock_acquire+0x7f5/0x5140 [ 274.721935] ? update_curr+0x1f8/0xbe0 [ 274.725821] ? check_noncircular+0x20/0x20 [ 274.730060] ? debug_check_no_locks_freed+0x310/0x310 [ 274.735257] ? update_cfs_group+0x358/0x580 [ 274.739568] ? __lock_is_held+0xb5/0x140 [ 274.743645] ? set_next_entity+0x2ae/0xaf0 [ 274.747875] ? dequeue_entity+0x3f8/0x15c0 [ 274.752100] ? save_trace+0xe0/0x290 [ 274.755824] ? update_load_avg+0x2570/0x2570 [ 274.760233] ? reweight_task+0x130/0x130 [ 274.764292] ? account_entity_enqueue+0x3db/0x6f0 [ 274.769246] ? graph_lock+0x170/0x170 [ 274.773060] ? pick_next_task_fair+0x973/0x1660 [ 274.777727] ? __update_load_avg_blocked_se.isra.33+0x460/0x460 [ 274.783784] ? graph_lock+0x170/0x170 [ 274.787570] ? find_held_lock+0x36/0x1c0 [ 274.791624] ? lock_downgrade+0x8e0/0x8e0 [ 274.795757] ? finish_task_switch+0x182/0x810 [ 274.800240] __lock_acquire+0x1a7/0x5140 [ 274.804306] ? kasan_check_read+0x11/0x20 [ 274.808454] ? do_raw_spin_unlock+0x9e/0x2e0 [ 274.812862] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 274.817438] ? compat_start_thread+0x80/0x80 [ 274.821832] ? _raw_spin_unlock_irq+0x27/0x70 [ 274.826330] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 274.831434] ? debug_check_no_locks_freed+0x310/0x310 [ 274.836621] ? kasan_check_write+0x14/0x20 [ 274.840865] ? finish_task_switch+0x28b/0x810 [ 274.845391] ? preempt_notifier_register+0x1e0/0x1e0 [ 274.850484] ? lock_repin_lock+0x410/0x410 [ 274.854724] ? __schedule+0x809/0x1e30 [ 274.858606] ? print_usage_bug+0xc0/0xc0 [ 274.862665] ? __sched_text_start+0x8/0x8 [ 274.866798] ? graph_lock+0x170/0x170 [ 274.870581] ? find_held_lock+0x36/0x1c0 [ 274.874634] ? retint_kernel+0x10/0x10 [ 274.878513] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 274.883516] ? find_held_lock+0x36/0x1c0 [ 274.887652] lock_acquire+0x1dc/0x520 [ 274.891438] ? tun_do_read+0x18b1/0x29f0 [ 274.895485] ? lock_release+0xa10/0xa10 [ 274.899452] ? retint_kernel+0x10/0x10 [ 274.903333] _raw_spin_lock+0x2a/0x40 [ 274.907124] ? tun_do_read+0x18b1/0x29f0 [ 274.911170] tun_do_read+0x18b1/0x29f0 [ 274.915059] ? __unqueue_futex+0x2d0/0x2d0 [ 274.919311] ? tun_flow_update+0x10d0/0x10d0 [ 274.923718] ? find_held_lock+0x36/0x1c0 [ 274.927778] ? graph_lock+0x170/0x170 [ 274.931568] ? kasan_check_read+0x11/0x20 [ 274.935704] ? do_raw_spin_unlock+0x9e/0x2e0 [ 274.940105] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 274.944683] ? find_held_lock+0x36/0x1c0 [ 274.948743] ? preempt_notifier_register+0x1e0/0x1e0 [ 274.953846] ? kasan_check_read+0x11/0x20 [ 274.958000] ? rcu_is_watching+0x85/0x140 [ 274.962143] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 274.967320] ? wake_up_q+0x100/0x100 [ 274.971035] tun_chr_read_iter+0xe5/0x1e0 [ 274.975170] __vfs_read+0x696/0xa50 [ 274.978787] ? vfs_copy_file_range+0xb80/0xb80 [ 274.983362] ? fsnotify+0xfc0/0xfc0 [ 274.986972] ? fsnotify_first_mark+0x330/0x330 [ 274.991541] ? __fget_light+0x2ef/0x430 [ 274.995507] ? fget_raw+0x20/0x20 [ 274.998961] ? rw_verify_area+0x118/0x360 [ 275.003105] vfs_read+0x17f/0x3d0 [ 275.006566] ksys_pread64+0x174/0x1a0 [ 275.010365] ? __ia32_sys_write+0xb0/0xb0 [ 275.014514] ? exit_to_usermode_loop+0x1ef/0x310 [ 275.019258] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 275.024115] ? ksys_ioctl+0x81/0xd0 [ 275.027741] __x64_sys_pread64+0x97/0xf0 [ 275.031796] do_syscall_64+0x1b1/0x800 [ 275.035683] ? finish_task_switch+0x1ca/0x810 [ 275.040187] ? syscall_return_slowpath+0x5c0/0x5c0 [ 275.045114] ? syscall_return_slowpath+0x30f/0x5c0 [ 275.050041] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 275.055396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.060255] entry_SYSCALL_64_after_hwframe+0x49/0xbe 2018/05/11 20:21:01 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x400000000000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:01 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf5ffffff, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:01 executing program 1: syz_emit_ethernet(0x20000046, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:01 executing program 4: socket$inet6(0xa, 0x5, 0x4e) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)="00000000000000000001b2ac0d2c8b1a0be6f9fd303f021a1e602fb4f0ccc89e4865596e8b72", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cgroup.clone_children\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f00000000c0)="c62c43f0756c1200") r3 = dup3(r1, r0, 0x400000000080000) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x5}) sendfile(r1, r3, 0x0, 0xff) r4 = accept4$inet(r3, &(0x7f0000000100)={0x0, 0x0, @rand_addr}, &(0x7f0000000140)=0x10, 0x800) getsockopt$inet_sctp_SCTP_NODELAY(r4, 0x84, 0x3, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/05/11 20:21:01 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_SET_RESERVED_SIZE(r2, 0x2275, &(0x7f0000000200)=0x10000) socket$nl_route(0x10, 0x3, 0x0) 2018/05/11 20:21:01 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000100", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) [ 275.065434] RIP: 0033:0x455979 [ 275.068606] RSP: 002b:00007fb7133f7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 [ 275.076299] RAX: ffffffffffffffda RBX: 00007fb7133f86d4 RCX: 0000000000455979 [ 275.083553] RDX: 0000000000000062 RSI: 0000000020000080 RDI: 0000000000000013 [ 275.090819] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 275.098076] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 275.105347] R13: 00000000000004bc R14: 00000000006fb240 R15: 0000000000000000 2018/05/11 20:21:01 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc0\x00', 0x2060c0, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:01 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:01 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x40030000000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 275.158064] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:01 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xc0ffffff00000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:01 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:01 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000080)=0x8) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 275.254954] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:02 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:02 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x1000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") getsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000080)={0x0, 0x343, 0x2, 0x5}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000100)={r4, 0x307a}, &(0x7f0000000140)=0x8) r5 = dup3(r2, r0, 0x0) sendfile(r2, r5, 0x0, 0xff) 2018/05/11 20:21:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xa00000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:02 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_SET_RESERVED_SIZE(r2, 0x2275, &(0x7f0000000200)=0x10000) socket$nl_route(0x10, 0x3, 0x0) 2018/05/11 20:21:02 executing program 1: syz_emit_ethernet(0x7ffff000, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:02 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000000000fff", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:02 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc0\x00', 0x2060c0, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x40000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:02 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x80800) ioctl$BLKTRACESTART(r2, 0x1274, 0x0) r3 = socket(0xa, 0x1, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:21:02 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(0xffffffffffffffff, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 276.017308] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:02 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x200000000000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xffffffffffffffff, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:02 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, 0xffffffffffffffff, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 276.104045] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:02 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0x8, 0x0, 0xffffffffffffffff) ioctl(r2, 0x8914, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000000000/0x709000)=nil, 0x709000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000acafed)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r3, 0xc4c85513, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, "8eed36808f2f9f59861c143a3f2a0643df18e7c7abeb68c5d48ade5c64c514dffcadf3dd4c376da31fa07bf2"}) r4 = dup3(r1, r0, 0x0) ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, &(0x7f0000000000)={0x2, r4}) remap_file_pages(&(0x7f0000078000/0x3000)=nil, 0x3000, 0x1000004, 0x530, 0x10002) sendfile(r1, r4, 0x0, 0xff) 2018/05/11 20:21:02 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0xffffff7f, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(0xffffffffffffffff, r3, 0x0, 0xff) [ 276.150876] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:02 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, 0xffffffffffffffff, 0x0, 0xff) 2018/05/11 20:21:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x2000000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:02 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") setrlimit(0x7, &(0x7f0000000000)={0x3ff, 0x3}) r3 = dup3(r1, r0, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'veth1_to_team\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000000c0)={'vcan0\x00', r4}) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:02 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x900, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_SET_RESERVED_SIZE(r2, 0x2275, &(0x7f0000000200)=0x10000) socket$nl_route(0x10, 0x3, 0x0) 2018/05/11 20:21:02 executing program 1: syz_emit_ethernet(0xfffffffffffffdef, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:02 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc0\x00', 0x2060c0, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:02 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"62726964676530000000000000000001", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:03 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) 2018/05/11 20:21:03 executing program 4: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x84200, 0x0) faccessat(r0, &(0x7f0000000100)='./file0\x00', 0x4, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x180, 0x0) ioctl$TUNSETOFFLOAD(r4, 0x400454d0, 0xc) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/pmtu_disc\x00', 0x2, 0x0) ioctl$SG_SCSI_RESET(r5, 0x2284, 0x0) r6 = dup3(r2, r1, 0x0) sendfile(r2, r6, 0x0, 0xff) 2018/05/11 20:21:03 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x100000000000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 276.897979] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xec6d0200, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:03 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) 2018/05/11 20:21:03 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x900000000000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:03 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.descendants\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0x0) [ 276.992603] Unknown ioctl 1074025680 [ 276.994390] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 277.012847] Unknown ioctl 1074025680 2018/05/11 20:21:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x74, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:03 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) r6 = dup3(r2, r0, 0x0) r7 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000001340)={r8, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) sendfile(r2, r6, 0x0, 0xff) lseek(r6, 0x0, 0x7) [ 277.077323] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:03 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x2000000, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:03 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1036921ab", [], {@ipv6={0x86dd, {0x0, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xa10, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:03 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_SET_RESERVED_SIZE(r2, 0x2275, &(0x7f0000000200)=0x10000) socket$nl_route(0x10, 0x3, 0x0) 2018/05/11 20:21:03 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x2, 0x0) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) setsockopt$inet_tcp_TLS_TX(r3, 0x6, 0x1, &(0x7f00000000c0)={0x303, 0x33}, 0x4) signalfd4(r0, &(0x7f0000000080)={0x1}, 0x8, 0x80800) 2018/05/11 20:21:03 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:03 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x3e8, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:03 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x2, 0x0, 0x1, 0x9, 0x0, 0x4f6, 0x80000, 0xf, 0x4, 0x7, 0x0, 0xffffffff, 0x10000, 0xbd7a, 0x6, 0x6, 0x10001, 0x1, 0x6, 0x2, 0x7, 0xffffffffffffff95, 0x5, 0x4, 0x0, 0x101, 0x8, 0x4, 0x10000, 0x8, 0x3ff, 0x8, 0x400, 0xfffffffffffffff7, 0x3ff, 0x7, 0x0, 0x4, 0x1, @perf_config_ext={0xffffffff, 0x8}, 0x11584, 0x5, 0x8000, 0x7, 0xc488, 0x4, 0x1ff}, r4, 0x3, r3, 0x8) [ 277.774906] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:03 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x1000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:03 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) r6 = dup3(r2, r0, 0x0) r7 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000001340)={r8, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) sendfile(r2, r6, 0x0, 0xff) lseek(r6, 0x0, 0x7) 2018/05/11 20:21:03 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x200002, 0x0) fcntl$getflags(r0, 0x40a) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000000080)=0x0) ioctl$TIOCSPGRP(r3, 0x5410, &(0x7f00000000c0)=r4) [ 277.819781] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4c00, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:03 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x9000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:03 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) r6 = dup3(r2, r0, 0x0) r7 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000001340)={r8, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) sendfile(r2, r6, 0x0, 0xff) lseek(r6, 0x0, 0x7) 2018/05/11 20:21:04 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x2, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 277.906128] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x7, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:04 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)="48f5", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0x5, 0x7, 0x4) ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f0000000080)={r2}) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r4 = dup3(r1, r0, 0x0) getpeername$packet(r3, &(0x7f0000001640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000001680)=0x14) ioctl$TUNSETIFINDEX(r4, 0x400454da, &(0x7f00000016c0)=r5) sendfile(r1, r4, 0x0, 0x102) 2018/05/11 20:21:04 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) r6 = dup3(r2, r0, 0x0) r7 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000001340)={r8, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) sendfile(r2, r6, 0x0, 0xff) lseek(r6, 0x0, 0x7) 2018/05/11 20:21:04 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x100000000000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:04 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0xffffffffffffffff, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:04 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:04 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) ioctl$SG_SET_RESERVED_SIZE(r2, 0x2275, &(0x7f0000000200)=0x10000) 2018/05/11 20:21:04 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) pread64(r0, &(0x7f0000000080)=""/98, 0x62, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:04 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x200000000000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x80ffffff00000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 278.653687] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:04 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) r6 = dup3(r2, r0, 0x0) r7 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r7, 0x84, 0x6, &(0x7f0000001340)={r8, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) sendfile(r2, r6, 0x0, 0xff) 2018/05/11 20:21:04 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = accept$alg(0xffffffffffffffff, 0x0, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) ioctl$sock_SIOCSPGRP(r2, 0x8902, &(0x7f0000000100)=r3) r4 = socket(0xa, 0x1, 0x0) ioctl(r4, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) openat$cgroup_procs(r5, &(0x7f00000000c0)='tasks\x00', 0x2, 0x0) 2018/05/11 20:21:04 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x4, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 278.725339] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x14000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:04 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) dup3(r2, r0, 0x0) r6 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r6, 0x84, 0x6, &(0x7f0000001340)={r7, @in6={{0xa, 0x4e20, 0xbe40, @local={0xfe, 0x80, [], 0xaa}, 0xb9c}}}, &(0x7f00000001c0)=0x84) 2018/05/11 20:21:04 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000000c0)) sendmsg$key(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB="02f1ffff00fcdbdf2502000b0006000000030000000000200000000000000000"], 0x20}, 0x1}, 0x4000081) ioctl$sock_netrom_SIOCGSTAMP(r2, 0x8906, &(0x7f0000000400)) r3 = dup3(r1, r0, 0x0) sendfile(r1, r1, 0x0, 0x4) getsockopt$inet6_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000340), &(0x7f0000000380)) bind$alg(r3, &(0x7f00000002c0)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_sha384\x00'}, 0x58) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000000000)={0x5f, 0x201, 0x8, 0xb0f, 0x0}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000200)={r4, 0x7}, 0x8) [ 278.847853] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:05 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0xffffff7f00000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x7000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:05 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) dup3(r2, r0, 0x0) syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f00000012c0)={0x0, 0x74, "b02dc3443089e01f2338d32d5bc55bf3de1e55a512ed2fbdb3c8b92385016a26d46b6d5565a263a86bd3262f7c4a0251a2c86457d4e4cf4641be777cead94be86d490980ae1948134938ad06ff653dffd92ce92482104c7e28975d1811d3705671cabfa8df877c41e50aa83df87547e8878ebea0"}, &(0x7f0000000100)=0x7c) 2018/05/11 20:21:05 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000000c0)=0x0) r4 = getpgrp(r3) r5 = syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x10, 0x40000) kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000140)={r5, r2, 0x200}) ioctl(r0, 0x8912, &(0x7f00000003c0)="c2375e4e018009b612ec6f8611658d806f7c9a700c912fbc26a3be00531307941a94f6c13c4c6f4be39b39412eb8f22b20e6bd110a3dcd356f38a7196469eaf37eff44f3aedaf696f24c30b92ad32609bac81e9568b6199659e4b9eacdf5a85fc9d16a77db1d92432d16e64ab19bed651f0f4094eadd6ebe61c140a0a604e64cb0bc611d41dbe7a6374a8780c977d0003e3a095847cbb8aec411dc6634bddc0b8c70a6c73c2d83da00b85af87b2ca98eb4fcfdeb1710807c2c0c05273f139cc6dc4e305c1f7b7bb4") r6 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz1\x00', 0x200002, 0x0) r7 = dup3(r1, r6, 0x80000) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r7, 0x4010ae68, &(0x7f0000000080)={0xf000, 0x100000}) sendfile(r1, r7, 0x0, 0xff) 2018/05/11 20:21:05 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r2 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) perf_event_open$cgroup(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68840, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff7ffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x200, 0x0, 0x0, 0x0, 0x3ff}, r2, 0x0, 0xffffffffffffffff, 0x0) 2018/05/11 20:21:05 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x5, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:05 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:05 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000000000000000f", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:05 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r2, r1, 0x7fffd) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:05 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0xffffff7f, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 279.600066] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xf0a, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:05 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) dup3(r2, r0, 0x0) syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x9, 0x80) 2018/05/11 20:21:05 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x2000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:05 executing program 6: syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:05 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e21, 0x2, @loopback={0x0, 0x1}, 0x7f}, @in6={0xa, 0x4e20, 0x2, @loopback={0x0, 0x1}, 0x2}], 0x38) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 279.710097] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:05 executing program 6: syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4800, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:05 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r2 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r3 = socket(0xa, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r5, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000380)}]) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) dup3(r2, r0, 0x0) 2018/05/11 20:21:05 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = getpgrp(0xffffffffffffffff) get_robust_list(r2, &(0x7f00000001c0)=&(0x7f0000000140)={&(0x7f0000000080)={&(0x7f0000000000)}, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)}}, &(0x7f0000000200)=0x18) r3 = socket(0xa, 0x1, 0x0) r4 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240)='/dev/qat_adf_ctl\x00', 0x2, 0x0) ioctl$KDGKBMETA(r4, 0x4b62, &(0x7f00000002c0)) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r5 = dup3(r1, r0, 0x0) sendfile(r1, r5, 0x0, 0xff) [ 279.842075] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 279.857525] QAT: Invalid ioctl [ 279.873964] QAT: Invalid ioctl 2018/05/11 20:21:06 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x4000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:06 executing program 6: syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:06 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r4, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r3, &(0x7f0000000380)}]) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syslog(0x0, &(0x7f00000002c0)=""/4096, 0x1000) 2018/05/11 20:21:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x26dec, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:06 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) 2018/05/11 20:21:06 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x1000000000000000, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:06 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) openat$md(0xffffffffffffff9c, &(0x7f0000000140)='/dev/md0\x00', 0x0, 0x0) 2018/05/11 20:21:06 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:06 executing program 6: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:06 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x9, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:06 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$EVIOCGLED(r1, 0x80404519, &(0x7f0000000080)=""/175) ioctl$TIOCSTI(r3, 0x5412, 0x40) [ 280.476093] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:06 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r4, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r3, &(0x7f0000000380)}]) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") 2018/05/11 20:21:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x7a00, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 280.589142] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:07 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x34000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:07 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x20001, 0x0) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) mq_timedreceive(r2, &(0x7f0000000080)=""/246, 0xf6, 0x81, &(0x7f0000000200)={r3, r4+30000000}) r5 = socket(0xa, 0x1, 0x0) ioctl(r5, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r6 = dup3(r1, r0, 0x0) sendfile(r1, r6, 0x0, 0xff) 2018/05/11 20:21:07 executing program 6: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:07 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_submit(r3, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) 2018/05/11 20:21:07 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x100000, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xe803, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:07 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={'bridge0\x00\x00\x00@\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:07 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) socket$inet6(0xa, 0xe, 0xff90) [ 281.365885] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 281.385820] PM: Marking nosave pages: [mem 0x00000000-0x00000fff] [ 281.392177] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] [ 281.398532] PM: Marking nosave pages: [mem 0xbfff3000-0xffffffff] 2018/05/11 20:21:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x3, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:07 executing program 6: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x5, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:07 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) openat$cgroup_int(r1, &(0x7f0000000240)='notify_on_release\x00', 0x2, 0x0) io_submit(r3, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) [ 281.420378] PM: Basic memory bitmaps created [ 281.435232] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:07 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x400000000000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:07 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r3, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) 2018/05/11 20:21:07 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x600000000000000, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) [ 281.483252] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 281.577648] PM: Basic memory bitmaps freed 2018/05/11 20:21:08 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x900, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:08 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xa0f, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:08 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x804, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$sock_kcm_SIOCKCMCLONE(r2, 0x89e2, &(0x7f00000002c0)={r2}) r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) r4 = semget(0x3, 0x1, 0x81) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000100), &(0x7f0000000140)=0x0, &(0x7f00000001c0)) r7 = getuid() r8 = getegid() semctl$IPC_SET(r4, 0x0, 0x1, &(0x7f0000000200)={{0x6, r5, r6, r7, r8, 0xc8, 0x5}, 0xfff, 0x9, 0x3}) 2018/05/11 20:21:08 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) socket$l2tp(0x18, 0x1, 0x1) io_submit(0x0, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) 2018/05/11 20:21:08 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000000000100", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:08 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x85, 0x0) 2018/05/11 20:21:08 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x38000000, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:08 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xffffff80, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:08 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x900000000000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) [ 282.285831] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:08 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r3, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) 2018/05/11 20:21:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x6800000000000000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:08 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) [ 282.364093] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:08 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x40030000000000, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:08 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)="2eb30c67726f75702f73797a3100", 0x200002, 0x0) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x1, 0x2) ioctl$KVM_S390_UCAS_MAP(r3, 0x4018ae50, &(0x7f0000000100)={0x7fff, 0x4}) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f0000000200)={0x3, 0x2, 0x7, 0x7, 0xaec, 0x76, 0x1, 0x100, 0x7, 0xa672, 0x3}, 0xb) r4 = dup3(r1, r0, 0x0) sendfile(r1, r4, 0x0, 0x80000000) ioctl$DRM_IOCTL_GET_STATS(r4, 0x80f86406, &(0x7f00000002c0)=""/41) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000140)={0x0, 0x100000001}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r3, 0x84, 0x1, &(0x7f00000001c0)={r5, 0x8, 0x7fffffff, 0x80000001, 0x810000000000, 0x1}, 0x14) openat$md(0xffffffffffffff9c, &(0x7f0000000240)='/dev/md0\x00', 0x200400, 0x0) 2018/05/11 20:21:08 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) socket(0xa, 0x1, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r2, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000380)}]) [ 282.424938] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:08 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x400300, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0xffffff7f, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) [ 282.534073] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:09 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00'}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:09 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) ioctl$int_out(r0, 0x5462, &(0x7f00000000c0)) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) ioctl$TIOCLINUX6(r3, 0x541c, &(0x7f0000000080)={0x6, 0x3}) r4 = dup3(r1, r1, 0x80000) sendfile(r1, r4, 0x0, 0xff) ioctl$TCSETA(r4, 0x5406, &(0x7f0000000100)={0x1, 0xca5, 0x53, 0xf7, 0x20, 0x101, 0xffffffffffff8000, 0x3ff, 0x6, 0x1}) 2018/05/11 20:21:09 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r1, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r3, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000380)}]) 2018/05/11 20:21:09 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:09 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x4000, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:09 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000000000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:09 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x6000000, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:09 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") 2018/05/11 20:21:09 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00'}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:09 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:09 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x100a, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:09 executing program 3: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) setsockopt$ipx_IPX_TYPE(r0, 0x100, 0x1, &(0x7f0000000080)=0x4, 0x4) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r2, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000380)}]) [ 283.185257] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:09 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ptmx\x00', 0x20000, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r2, 0xc02c5341, &(0x7f0000000300)) bind$netlink(r2, &(0x7f00000000c0)={0x10, 0x0, 0x25dfdbfd, 0x40000004}, 0xc) r3 = socket(0xa, 0x80000, 0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f0000000100)={0x0, 0x74, "d0a425fec4c99b130abfde58d17e478c17354b56721fe3b1d5db8133fa2c856251380db51308fb26d606c4157830bddc94b74198aad1e09728b14203c6986e284a723423f0fa5b52521ad7a6246b5623be7c237382efb22580a6c0aa60bb3de321ee3926ba513c8be8d17482164f5a63fec31a16"}, &(0x7f00000001c0)=0x7c) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200)={r4, 0xa8d}, &(0x7f0000000240)=0x8) ioctl(r3, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") ioctl$EVIOCSFF(r2, 0x40304580, &(0x7f00000002c0)={0x53, 0x8, 0x60, {0x8, 0x4}, {0x9, 0x4}, @period={0x59, 0x3, 0x80000001, 0x3, 0x6, {0x0, 0x7, 0x2, 0x1000}, 0x6, [0x1, 0x1, 0x80000001, 0x9, 0xecc, 0x1]}}) r5 = dup3(r1, r0, 0x1) setsockopt$inet_sctp6_SCTP_EVENTS(r3, 0x84, 0xb, &(0x7f0000000000)={0xeaa, 0x8, 0x1, 0x2, 0x0, 0x0, 0x6, 0x200, 0x6e4, 0x8d79, 0x1000}, 0xb) sendfile(r1, r5, 0x0, 0xff) 2018/05/11 20:21:09 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00'}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) [ 283.251771] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x6c00, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:10 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:10 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4ff1106921ab", [], {@ipv6={0x86dd, {0x3, 0x6, "d85009", 0x10, 0x11, 0x0, @local={0xfe, 0x80, [], 0xaa}, @ipv4={[], [0xff, 0xff]}, {[], @dccp={{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "8d2414", 0x0, "8da185"}}}}}}}, &(0x7f0000000080)) 2018/05/11 20:21:10 executing program 3: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x1, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r1, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000380)}]) 2018/05/11 20:21:10 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x405, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/11 20:21:10 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000013e95), 0x4) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000240)={"6272696467653000000200", &(0x7f00000002c0)=ANY=[@ANYBLOB="20000000ac"]}) close(r2) close(r1) 2018/05/11 20:21:10 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0xc0800, 0x0) r2 = syz_genetlink_get_family_id$fou(&(0x7f00000000c0)='fou\x00') sendmsg$FOU_CMD_DEL(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c050000", @ANYRES16=r2, @ANYBLOB="000228bd7000fcdbdf2502000000080001004e220000"], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x14) r3 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r4 = socket(0xa, 0x1, 0x0) ioctl(r4, 0xdd3, &(0x7f0000000300)="2633a1bcc68bddd82d706b") dup3(r3, r0, 0x0) 2018/05/11 20:21:10 executing program 2: r0 = socket(0xa, 0x1, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={0x0, 0xfffffffffffff844}, &(0x7f0000000240)=0xffffffffffffff28) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={r1, 0x400}, &(0x7f00000001c0)=0x1) getsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f00000003c0), &(0x7f0000000440)=0x1) 2018/05/11 20:21:10 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:10 executing program 3: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r1, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000380)}]) 2018/05/11 20:21:10 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8910, &(0x7f0000000000)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x0) sendfile(r1, r3, 0x0, 0xff) [ 284.071982] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 2018/05/11 20:21:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000500)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000000040)=0x2, 0x27) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x1100, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/11 20:21:10 executing program 3: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) io_setup(0x469, &(0x7f0000000200)=0x0) io_submit(r1, 0x1, &(0x7f00000016c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000380)}]) 2018/05/11 20:21:10 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='io.bfq.weight\x00', 0x2, 0x0) r2 = socket(0xa, 0x1, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="c6295e4eca6c09b612ec6f") r3 = dup3(r1, r0, 0x80000000000000) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x446840, 0x0) sendfile(r1, r3, 0x0, 0xff) ioctl$KVM_RUN(r3, 0xae80, 0x0) 2018/05/11 20:21:10 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000001000)={&(0x7f0000000000)=ANY=[@ANYBLOB="020a000007000000000000000000000005001a00fe000000000000000008ffee296be5a7fda3980000000000f0ff0000000000aa10000000"], 0x38}, 0x1}, 0x0) 2018/05/11 20:21:10 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0xe86824d2c1c833cb}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000003c0)=@dellink={0x34, 0x11, 0x0, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'ifb0\x00'}]}, 0x34}, 0x1}, 0x0) [ 284.168217] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters.