0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025f0006bb41400000009020b000000007e00000afdeb08000200ac141411", 0x24) ioctl$sock_SIOCADDDLCI(r0, 0x8980, &(0x7f00000001c0)={'veth1_to_team\x00', 0x7fffffff}) r1 = gettid() sched_getscheduler(r1) tkill(r1, 0x3a) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x200000, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r2, 0xc04064a0, &(0x7f0000000180)={&(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x4, 0x2, 0x6, 0x6}) 2018/05/07 00:19:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2b00000000000000]}}, 0x1c) shutdown(r0, 0x1) [ 584.314422] netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:19:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:11 executing program 2: r0 = socket$inet(0x2, 0x80000000000003, 0x19) connect$inet(r0, &(0x7f0000000180)={0x2}, 0xa) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x23, &(0x7f0000000000)={{{@in=@multicast2=0xe0000002, @in=@multicast1=0xe0000001}}, {{@in6}, 0x0, @in6=@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x8, 0x6}}, 0xe8) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000100)={@multicast2=0xe0000002, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@local={0xac, 0x14, 0x14, 0xaa}]}, 0x14) [ 584.437871] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 584.453421] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:11 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:11 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cast6)\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000380)='/dev/rtc0\x00', 0x20000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f00000003c0)={0xffffffffffffff81, 0x0, 0x8209, 0x5, 0x2, 0x2, 0x1, 0x3, 0x0}, &(0x7f0000000400)=0x20) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000440)={r3, @in6={{0xa, 0x4e20, 0x101, @remote={0xfe, 0x80, [], 0xbb}, 0x100000000}}, 0x2, 0x7fff, 0x4, 0x3, 0x20}, &(0x7f0000000500)=0x98) r4 = open(&(0x7f00000001c0)='./file0\x00', 0x100, 0x40) r5 = dup2(r1, r1) sendto$inet6(r5, &(0x7f00000002c0)="8c4ad2d5e93723d060b61ecd8067e603112d60bed3e20efa4dcc6d04bfc338d0cadfe1d962c75d2a080bfdb786f308f6d17fa90113aca70bbac326771021d9c721b9740913cbc104ffdbdb5e86376f6be0250c6cbdba5db15c8fa44df5ecc461ae7aa2bc1b0a49da9eaaa99a697ac0c20a79f21867c06c63", 0x78, 0x0, &(0x7f0000000340)={0xa, 0x4e23, 0x240000000, @empty, 0x1}, 0x1c) ioctl$PPPOEIOCSFWD(r4, 0x4008b100, &(0x7f0000000200)={0x18, 0x0, {0x2, @empty, 'veth0_to_team\x00'}}) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000bfef9b9d2a4b20079", 0x18) sendmmsg$unix(r1, &(0x7f0000000600)=[{&(0x7f0000000040)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000240)="52b7539a7572cde7694fb9d8e6ab4ad6136d7eae88902c42991f984ecf4fa2ebaf28059f08080cc3257a25b3d6d8503d4f00e9c13ca1db8b3ac463f1747124f673b88ad387bd36fbf259f44eca8c6e32", 0x50}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000158000)={&(0x7f00002fffa0)=@nfc_llcp, 0x5c, &(0x7f0000000000)=[{&(0x7f000080f000)=""/4096, 0x1000}], 0x1, &(0x7f0000da2000)}, 0x0) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000180)='ipddp0\x00') 2018/05/07 00:19:11 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000000400)={0x299}, 0x4) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) msgget$private(0x0, 0xa3) listen(r0, 0x3) sendto$inet6(0xffffffffffffffff, &(0x7f0000847fff)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/05/07 00:19:11 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x0, 0x0) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f0000000040)={{0xa, 0x4e24, 0x9, @empty, 0x401}, {0xa, 0x4e21, 0x0, @empty, 0x9}, 0x2, [0x3, 0xffffffffffff8000, 0x100, 0x101, 0x14a1, 0x7, 0xffffffffffffffc0, 0x4]}, 0x5c) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000100)) setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, &(0x7f0000001000)={{0xa, 0x4e20}, {0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x5c) setsockopt$inet_int(r0, 0x0, 0x40, &(0x7f0000000ffc), 0x4) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f00000000c0)=0x8, 0x4) 2018/05/07 00:19:11 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf401000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:11 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x200000000000000]}}, 0x1c) 2018/05/07 00:19:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xe803000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:11 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3c00]}}, 0x1c) shutdown(r0, 0x1) [ 585.266666] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 585.275725] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'bridge0\x00', 0x0}) r2 = dup2(r0, r0) ioctl$sock_ipx_SIOCIPXNCPCONN(r2, 0x89e3, &(0x7f0000000080)=0xffffffff) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="280000001c00070f00000000000000000700000012fa693da3a00d848e55c436914bbc28dfb6b55bc7c57ac019e38be99ca8f0ebd72d6ef96e0e0e4fef59819ff7e0cb8435d4b259884f89cd33698e8cce56e5af35e51b9bb1508bf37198f7662b5514ea832dc643b80c10835202", @ANYRES32=r1, @ANYBLOB="0600ff000a00027ffb2802d8c676b1e549a091d08200aaaaaaaaaaaa000074c0c506851f111943eb139c154f6e6004bee7f55d3254cfe78bb4904764f5831ef64e1c3363567255f565219c584a76c74b"], 0x28}, 0x1}, 0x0) [ 585.311086] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:11 executing program 3: r0 = memfd_create(&(0x7f0000002000)="2f7b06003170707031253a656d30f9", 0x0) read(r0, &(0x7f0000000000)=""/218, 0xda) write$evdev(r0, &(0x7f0000000100)=[{{}, 0x0, 0x0, 0xffffffff}], 0x18) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x4, 0x11, r0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000001000), &(0x7f0000005000)) 2018/05/07 00:19:11 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:11 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5000000]}}, 0x1c) [ 585.410538] netlink: 12 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:19:12 executing program 7: r0 = socket(0x1e, 0x805, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000240)=@req={0x80000000, 0x72}, 0x10) r1 = socket(0x1e, 0x805, 0x0) getsockopt$inet_buf(r1, 0x0, 0x2b, &(0x7f0000000080)=""/133, &(0x7f0000000000)=0x85) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000040)=@req3={0x80000000}, 0xff6a) sendmsg(r0, &(0x7f0000000140)={&(0x7f00004f5000)=@generic={0x10000000001e, "0200000900000000000000000226cc573c080000003724c71e14dd6a739effea1b48006be61ffe0000e103000000f8000004003f010039d8f986ff01000300000004af50d50700000000000000e3ad316a1983000000001d00e0dfcb24281e27800000100076c3979ac40000bd15020078a1dfd300881a8365b1b16d7436"}, 0x80, &(0x7f0000447ff0), 0x0, &(0x7f00006e9c68)}, 0x0) 2018/05/07 00:19:12 executing program 3: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000000)={{0x0, 0x7}, 'port1\x00', 0x50, 0x2, 0xa60, 0x3f, 0x3, 0x6, 0x5, 0x0, 0x1, 0x1}) ioctl$KDGKBLED(r0, 0x40045109, &(0x7f00000000c0)) [ 585.469232] netlink: 12 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:19:12 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x8, 0x400082) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f00000000c0)=0x14, 0x4) pselect6(0x25, &(0x7f0000011fc0), &(0x7f0000011000), &(0x7f0000003000), &(0x7f0000000040), &(0x7f0000001ff8)={&(0x7f0000000000), 0x8}) 2018/05/07 00:19:12 executing program 7: r0 = socket$inet6(0xa, 0x3, 0x3c) connect$inet6(r0, &(0x7f0000039000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x9}, 0x1c) sendmsg(r0, &(0x7f0000000a40)={0x0, 0x0, &(0x7f00000009c0)=[{&(0x7f0000002b40)="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", 0x585}], 0x1, &(0x7f0000003b40)}, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) mprotect(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0) ioctl$EVIOCGKEYCODE(r1, 0x80084504, &(0x7f00000000c0)=""/195) r3 = socket(0x5, 0x807, 0x3) setsockopt$inet_MCAST_LEAVE_GROUP(r2, 0x0, 0x2d, &(0x7f00000001c0)={0x5, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x10}}}}, 0x88) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='environ\x00') epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r0, &(0x7f0000000040)={0x2000}) dup2(r0, r3) 2018/05/07 00:19:12 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 585.548739] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:12 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x200000000102) sendmsg$nl_route(r0, &(0x7f0000000080)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000000000)=@bridge_getlink={0x28, 0x12, 0x11, 0x0, 0x0, {0x7}, [@IFLA_MTU={0x8, 0xe}]}, 0x28}, 0x1}, 0x0) 2018/05/07 00:19:12 executing program 3: r0 = socket$inet(0x10, 0x3, 0x80800000000) sendmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d4c1cbc882b079881", 0x4c}], 0x1}, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x800, 0x4) recvmmsg(r0, &(0x7f00000019c0)=[{{&(0x7f0000000bc0)=@pppol2tpv3, 0x80, &(0x7f0000000e00), 0x0, &(0x7f0000000e40)=""/234, 0xea}}, {{&(0x7f0000000f40)=@in={0x0, 0x0, @multicast2}, 0x80, &(0x7f0000001380), 0x0, &(0x7f0000001400)=""/3, 0x3}}, {{&(0x7f0000001440)=@nfc, 0x80, &(0x7f0000001700)}}], 0x3, 0x0, 0x0) 2018/05/07 00:19:12 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:12 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xe000000]}}, 0x1c) 2018/05/07 00:19:12 executing program 7: 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 = openat$ion(0xffffffffffffff9c, &(0x7f0000005ff7)='/dev/ion\x00', 0x0, 0x0) fcntl$setflags(r0, 0x2, 0x1) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000009fe8)={0xfffb, 0xa, 0x0, 0xffffffffffffffff}) poll(&(0x7f0000000040)=[{r2, 0x4}], 0x1, 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$IP_VS_SO_GET_TIMEOUT(r3, 0x0, 0x486, &(0x7f0000000080), &(0x7f00000000c0)=0xc) io_setup(0x1, &(0x7f0000000100)=0x0) r5 = syz_open_dev$usbmon(&(0x7f0000000380)='/dev/usbmon#\x00', 0x88e, 0x0) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000500)='/dev/audio\x00', 0x8eaf5b1a8b0d4e4c, 0x0) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000780)={0xffffffffffffffff}) r8 = openat$full(0xffffffffffffff9c, &(0x7f0000000800)='/dev/full\x00', 0x40400, 0x0) io_submit(r4, 0x6, &(0x7f0000000880)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x7, 0x3, r3, &(0x7f0000000140)="9cd7b7651cef72815d208a97faebad945d755dcbe34becfbd62e82c2b284197bbb0ec31a2fd7c587346d3399cd98add2fe557e28562a68d8c10f04a587b74fc8b93ee8e42e876de43dc908f95f7aa69b2f9b741104a3c30073e11f282fc23f23d30283d7e525e536f3afb10280a4cc3becb1b14079fdcbffb2ff950c550c1abd0e8ae21292b875e5c0d7074733bd1853ea9ada6c303fc8f7f227120bfd2f5161113effaa732f4e17d7581794a09d025fc331f4227c2ea956d4be2d828e87928f09046ec61957993196dfe2d6722eca64b6e8c6990666ef89a5184960c0246ac4d3bc818c09643c3160", 0xe9, 0x8001, 0x0, 0xbf291e86f4b1b6e5, r0}, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x6, r3, &(0x7f0000000280)="d3dcb4e027ac88de12a30f7226bfe229e1379e98b001b702fdf5777ed4fbc8ced380c55f45da929a476eb3e312c8", 0x2e, 0x3, 0x0, 0x0, r0}, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0xf, 0x2, r1, &(0x7f0000000300)="00fdee832bbd2ea8a3bd10908304c2023a16a020ce90b0508de354dd26fafec52db8f9b841852c300658e560120da024bb7ce9516e4f494f59bf0a37db1ad04595274e7e6ecf56f4419808cfd04a81649e87e9a642cb8d162e59663a23b9aab25929ebe598681ca10e3e506429c5bdbbfdc9a6d418145f0b", 0x78, 0x9, 0x0, 0x1, r5}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x6, 0x1000, r2, &(0x7f0000000400)="baaf00d9f83806e46bb668f81f22b6b271eb9de225f02eb11415075c8175eb044cf89f3ca7f82afad5d9e0657240459988c04b5b9cce2d76b36362f2c41160b9815c38fb603d92861ddb4195f25ce14a93552f68451ec85ba8ec477ef90e0725025881f8137f1c7f5d26d6cbe0397027945d2a656f94aafebfd1c6554577e656c41d8426b0ec8af8f85344550e23211a473b34acdf9cafdac7de0c9faa70be538c1358531e84dd764a6bb9a72bf1426e43371469c8ca0ef31e84e7766c0e8b78bf", 0xc1, 0x7, 0x0, 0x0, r6}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x3, 0x0, r1, &(0x7f0000000580)="878a250b09b24b22458567bc7a74ceda39453c261cdeb72beb5a36301d1be1e00991c30cb9d5791e2fd35f689678dd836780cb95ed6f242e1276bbe74851cd735453bb9268fddba062e86475aa6541fffdcc63efce915b6c6fd67c76fa522cb550dcfc817562ea9088792f9aacd6e0a9333fa4b5045b2a02897acf101d700a0f8ff2a6a66e4cfbb9a5b9f131063af619a814371e7c539d54a0dc023ffb14228aab4a2744462e85a9670dac1c3cdb896670dd648dd56aa218300286e2ca6da7c43351a8", 0xc3, 0x1, 0x0, 0x0, r2}, &(0x7f0000000840)={0x0, 0x0, 0x0, 0x8, 0x80000000, r7, &(0x7f00000007c0), 0x0, 0xfffffffffffffff8, 0x0, 0x0, r8}]) 2018/05/07 00:19:12 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1200000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:12 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3c00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa00000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:12 executing program 2: setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000100)=@req3={0x0, 0x0, 0x0, 0x5}, 0x1c) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000140)) r0 = fcntl$getown(0xffffffffffffff9c, 0x9) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='attr/exec\x00') preadv(r1, &(0x7f0000000000), 0x0, 0x800000000000000) [ 586.177443] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 586.183413] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.195329] netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. [ 586.197484] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 586.210464] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:12 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 586.253337] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.260891] netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. [ 586.294939] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.302500] netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. 2018/05/07 00:19:12 executing program 7: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x43fffc, 0x0) ioctl$TIOCOUTQ(r0, 0x5411, &(0x7f00000001c0)) r1 = socket$key(0xf, 0x3, 0x2) r2 = socket$inet6(0xa, 0x3, 0x4000000000004) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000080)) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000200)={0x0, @in={{0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0xad, 0x9}, &(0x7f00000002c0)=0x90) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000300)=@assoc_value, &(0x7f0000000340)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000440)={r3, @in={{0x2, 0x4e22, @multicast2=0xe0000002}}}, 0x84) socket$key(0xf, 0x3, 0x2) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r0, &(0x7f0000000000)) connect$inet6(r2, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x200000004}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000c9af18)={{{@in=@rand_addr, @in6=@dev={0xfe, 0x80}, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in6, 0x0, 0x3c}, 0x0, @in6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x0, 0x0, 0x0, 0xfffffffffffffffd}}, 0xe8) sendmsg$key(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000400)=ANY=[@ANYBLOB="067e70489a8000000000000000000000003f45bb212071158f47ff7fe949ad0000ff00"], 0x10}, 0x1}, 0x0) getxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000380)=@known='system.posix_acl_access\x00', &(0x7f00000003c0)=""/60, 0x3c) ioctl$KDDISABIO(r0, 0x4b37) sendmsg(r2, &(0x7f00000024c0)={0x0, 0xb3, &(0x7f0000002400)}, 0x0) 2018/05/07 00:19:12 executing program 2: r0 = socket$inet6(0xa, 0x80005, 0x0) setsockopt(r0, 0x84, 0x4, &(0x7f0000000000), 0x0) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x400000, 0x0) ioctl$TIOCGSOFTCAR(r1, 0x5419, &(0x7f0000000040)) 2018/05/07 00:19:12 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff88]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:12 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xa00]}}, 0x1c) [ 586.338710] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.346213] netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. 2018/05/07 00:19:12 executing program 2: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x22100, 0x0) r1 = getpid() r2 = geteuid() ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0286405, &(0x7f0000000040)={0x6, 0x2, r1, 0x40, r2, 0x0, 0x80000001, 0xfe00000000000000}) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0xd0) r3 = socket(0x11, 0x4000000000080002, 0x0) setsockopt(r3, 0x107, 0xd, &(0x7f0000001000), 0xaf1) sendmmsg$inet_sctp(r3, &(0x7f0000871fc8)=[{&(0x7f000086c000)=@in6={0xa, 0x0, 0x2}, 0x1c, &(0x7f0000d1e000), 0x0, &(0x7f0000dda000)}], 0x492492492492510, 0x0) [ 586.396093] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.425717] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 586.456578] netlink: 'syz-executor3': attribute type 29 has an invalid length. [ 586.478239] netlink: 'syz-executor3': attribute type 29 has an invalid length. 2018/05/07 00:19:13 executing program 3: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000100)=@assoc_value, 0x8) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x9, 0x4d49, 0x8, 0x4, 0x1, 0x1ff, 0x8, {0x0, @in6={{0xa, 0x4e24, 0x3, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}}, 0x80000000, 0x9, 0x2, 0x0, 0x7ff}}, &(0x7f00000000c0)=0xb0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000002c0)={r1, @in={{0x2, 0x4e21, @broadcast=0xffffffff}}, 0xcc0e, 0x6}, 0xfffffffffffffe7e) [ 586.601378] sctp: [Deprecated]: syz-executor3 (pid 2146) Use of struct sctp_assoc_value in delayed_ack socket option. [ 586.601378] Use struct sctp_sack_info instead [ 586.636379] sctp: [Deprecated]: syz-executor3 (pid 2146) Use of struct sctp_assoc_value in delayed_ack socket option. [ 586.636379] Use struct sctp_sack_info instead 2018/05/07 00:19:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:13 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="acd51c00002a97916d"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x5, &(0x7f0000001fd8)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x437, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x11, 0x5, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/05/07 00:19:13 executing program 7: mkdir(&(0x7f0000771000)='./file0\x00', 0x0) syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x101, 0x8000) mount(&(0x7f00000000c0)='./file0/bus\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000000100)='mqueue\x00', 0x1, &(0x7f0000000000)) open(&(0x7f0000000140)='./file0/file0\x00', 0x2040, 0x0) 2018/05/07 00:19:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xc4ffffff00000000]}}, 0x1c) 2018/05/07 00:19:13 executing program 3: r0 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x10000, 0x0) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000008000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000600)={0x8004, 0x1a, 0x0, 0xffffffffffffffff}) r3 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x0) ioctl$TUNSETLINK(r3, 0x400454cd, 0x30f) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00003be000/0x3000)=nil, 0x3000, 0x0, 0x11, r2, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) 2018/05/07 00:19:13 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000000100)=[@in6={0xa, 0x0, 0xffff, @dev={0xfe, 0x80}}], 0x1c) setsockopt$inet_buf(r0, 0x0, 0x60, &(0x7f00000000c0), 0x0) ioctl$sock_proto_private(r0, 0x89e7, &(0x7f0000001140)="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") 2018/05/07 00:19:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa430]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:13 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xfe80]}}, 0x1c) shutdown(r0, 0x1) [ 587.077474] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xd808]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:13 executing program 3: clock_adjtime(0x0, &(0x7f0000000140)={0x80000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}) openat$rtc(0xffffffffffffff9c, &(0x7f0000000240)='/dev/rtc0\x00', 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xf, 0xec42, 0x9, 0xbe, 0x4, 0xffffffffffffffff, 0xd5e}, 0x2c) r0 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x400) syz_open_dev$loop(&(0x7f0000000100)='/dev/loop#\x00', 0x1, 0x2000) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r0, 0x40405515, &(0x7f0000000080)={0x8001, 0x3, 0x100000000, 0x2252894, "5b23724d88240689d39339192b46240209e7b67bfb3ab32cca17e10f30993b05d65d94a8c65d4d569566d3eb", 0x15d7}) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f00000000c0)) 2018/05/07 00:19:13 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x800000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4000000]}}, 0x1c) 2018/05/07 00:19:13 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) sendmmsg(r0, &(0x7f0000001d80)=[{{&(0x7f0000000000)=@in6={0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}}, 0x80, &(0x7f0000000040), 0x0, &(0x7f0000000000)}}, {{&(0x7f0000000a80)=@nl=@unspec, 0x1, &(0x7f0000000080), 0x0, &(0x7f0000000040)}}], 0x2, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) 2018/05/07 00:19:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 587.251781] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:13 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$int_in(r0, 0x80000080045440, &(0x7f0000000000)) syz_open_dev$urandom(&(0x7f0000000080)='/dev/urandom\x00', 0x0, 0x101003) r1 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x401, 0x0) ioctl$KVM_INTERRUPT(r1, 0x4004ae86, &(0x7f0000000100)=0x6e9) 2018/05/07 00:19:13 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = memfd_create(&(0x7f0000000180)='/dev/infiniband/rdma_cm\x00', 0x3) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f00000001c0)={0x0, 0x200000000000, 0x2, [0x4, 0x8]}, &(0x7f0000000200)=0xc) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000240)={r2}, &(0x7f0000000280)=0x8) ioctl$VT_GETMODE(r1, 0x5601, &(0x7f00000002c0)) r3 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r3, &(0x7f00000000c0)=ANY=[@ANYBLOB="000000fc7f81dca83854cfbb18d6eb121ac0233c4288f80982520b6bd04b55bf8a81948709c290aa1cfd8cca1f62f2d6313d79fc6e562340e5460e85582adec7b6576598440734b9db06aafe", @ANYPTR=&(0x7f0000004100)=ANY=[@ANYRES32=0xffffffff], @ANYBLOB="3f01000000000000"], 0x89) write$rdma_cm(r0, &(0x7f0000000040)=@destroy_id={0x1, 0x10, 0xfa00, {&(0x7f0000000000), r4}}, 0x18) syz_open_dev$loop(&(0x7f0000000300)='/dev/loop#\x00', 0xffff, 0x18000) 2018/05/07 00:19:13 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000040), 0x0) r1 = socket$nl_generic(0xa, 0x5, 0x84) capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f00003fd000)) ioctl$sock_SIOCETHTOOL(r1, 0x89f0, &(0x7f0000000b80)={'bridge0\x00', &(0x7f0000000b40)=@ethtool_ringparam={0xf}}) [ 587.299374] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa206]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:14 executing program 7: unshare(0x40060000) r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000280)={'ip6_vti0\x00', 0x0}) futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000000000)={0x77359400}, &(0x7f0000048000), 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000002b80)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_IFNAME={0x14, 0x3, 'ip6_vti0\x00'}]}, 0x34}, 0x1}, 0x0) 2018/05/07 00:19:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xff000000]}}, 0x1c) 2018/05/07 00:19:14 executing program 3: socketpair(0x8000000000001e, 0x1, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) clock_gettime(0x0, &(0x7f00000044c0)={0x0, 0x0}) timerfd_settime(r0, 0x1, &(0x7f0000000000)={{0x0, 0x1c9c380}, {0x77359400}}, &(0x7f0000000040)) recvmmsg(r0, &(0x7f0000004240)=[{{&(0x7f0000000080)=@pppol2tpin6, 0x80, &(0x7f0000000400)=[{&(0x7f0000000380)=""/114, 0x72}], 0x1, &(0x7f0000000440)=""/50, 0x32}}, {{&(0x7f0000000a80)=@vsock={0x0, 0x0, 0x0, @hyper}, 0x80, &(0x7f0000000c80)=[{&(0x7f0000000c00)=""/123, 0xffffffffffffff44}], 0x1}}], 0x2, 0x10023, &(0x7f0000004500)={0x0, r2+10000000}) 2018/05/07 00:19:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xc00000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:14 executing program 1: r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0xa6f, 0x40) ioctl$DRM_IOCTL_GET_MAGIC(r0, 0x80046402, &(0x7f0000000040)=0x7) prctl$intptr(0x8, 0x2) 2018/05/07 00:19:14 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x600000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:14 executing program 2: r0 = socket$bt_hidp(0x1f, 0x3, 0x6) setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000040)=0x1, 0x4) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={0xffffffffffffff9c, 0x3, 0x1, 0x2, &(0x7f0000000080)=[0x0], 0x1}, 0x20) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000100)=0x5, 0x4) connect$vsock_dgram(r1, &(0x7f0000000140)={0x28, 0x0, 0x2710, @any=0xffffffff}, 0x10) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f00000001c0)={0x4, &(0x7f0000000180)=[{}, {}, {}, {}]}) r2 = socket(0x15, 0x80005, 0x0) getsockopt(r2, 0x114, 0x2713, &(0x7f0000000000)=""/13, &(0x7f000033bffc)=0x9) 2018/05/07 00:19:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x33000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 587.589442] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 587.590192] IPVS: ftp: loaded support on port[0] = 21 [ 587.605234] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 587.618273] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:14 executing program 3: clone(0x200, &(0x7f0000fbf000), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000000000)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f0000000340)) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000200)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r2, r1, 0x3, 0xffffffffffffffff, 0xffffffffffffffff) connect$netrom(r0, &(0x7f0000000340)=@ax25={0x3, {"25c2b0f57c1906"}, 0x7}, 0x10) kcmp(r2, r1, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={r0, 0x6, 0x1, 0x101, &(0x7f0000000080)=[0x0], 0x1}, 0x20) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000100)={0x0, 0x9}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f00000001c0)={r4, 0x9}, &(0x7f0000000280)=0x8) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x8000, 0x0) ioctl$KVM_GET_NR_MMU_PAGES(r5, 0xae45, 0x7) ioctl$KVM_GET_PIT2(r5, 0x8070ae9f, &(0x7f00000002c0)) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/05/07 00:19:14 executing program 2: r0 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) r2 = add_key$user(&(0x7f00003bd000)='user\x00', &(0x7f0000a00000)={0x73, 0x79, 0x7a}, &(0x7f0000facfff)="01", 0x1, r1) r3 = add_key$user(&(0x7f0000fc0ffb)='user\x00', &(0x7f0000752ffb)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00003eb000)="b3", 0x1, r1) keyctl$update(0x2, r3, &(0x7f0000000240)="df02754677212dfc3e2acc26fdc3ffa64813da494137e175e9f2780ac5e2a09f43a1fcebf272a5a135de92bf4a9033933824f6e6aa023895113293535d1c0066d20e0f275188b4b4c187e18774fc2227cbb60fc6697f5337726164c8fbe1181e6d50986cd98a5c44ac0ec375deb27eafcf7d06438f252510d87bd91d03e7dc2faed85adcd88ca30e75b1e143a72d94defa187e48b89efbbbcc9b9a9a307353df7a21affce4e9149eb122cbc356cb681365afd979e97b57b596e901864a68679f", 0xc0) keyctl$dh_compute(0x17, &(0x7f0000000480)={r2, r3, r3}, &(0x7f0000a53ffb)=""/5, 0x5, &(0x7f0000000100)={&(0x7f0000000140)={'crc32c-intel\x00'}}) r4 = open(&(0x7f0000000180)='.\x00', 0x400, 0x20) getsockopt$inet_tcp_buf(r4, 0x6, 0xd, &(0x7f00000004c0)=""/4096, &(0x7f00000001c0)=0x1000) 2018/05/07 00:19:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x6]}}, 0x1c) 2018/05/07 00:19:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:14 executing program 1: accept$inet6(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, @local}, &(0x7f0000000100)=0x1c) writev(0xffffffffffffffff, &(0x7f0000b97000)=[{&(0x7f0000962000)='1', 0xffffffffffffffb6}], 0x1) ioctl$sock_inet_SIOCGIFADDR(0xffffffffffffffff, 0x8915, &(0x7f0000000000)={'irlan0\x00', {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}}) flock(0xffffffffffffffff, 0x2) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$SG_GET_RESERVED_SIZE(r0, 0x2272, &(0x7f00000001c0)) ioctl$KVM_IRQ_LINE_STATUS(0xffffffffffffffff, 0xc008ae67, &(0x7f0000000040)={0x2, 0x8}) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x101040, 0x0) ioctl$KVM_SET_BOOT_CPU_ID(r1, 0xae78, &(0x7f0000000140)) 2018/05/07 00:19:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xffffffff00000000]}}, 0x1c) [ 587.881243] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 588.483335] IPVS: ftp: loaded support on port[0] = 21 2018/05/07 00:19:15 executing program 2: r0 = socket(0x10, 0x400000000003, 0x0) write(r0, &(0x7f0000000140)="170000001a001bed0000132100f404fffffd9872eff0cf", 0x17) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) recvmmsg(r0, &(0x7f0000f7bfc0), 0xd948aa, 0x40010000, &(0x7f0000000000)={0x0, r1+10000000}) 2018/05/07 00:19:15 executing program 1: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00005e4ff0)='/dev/sequencer2\x00', 0x8002, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r0, 0x54a2) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000080)=0xffffffffffffffe7) setsockopt$ax25_int(r0, 0x101, 0xf, &(0x7f0000000040)=0x4549f0d4, 0x4) r2 = getgid() ioctl$BLKDISCARD(r0, 0x1277, &(0x7f0000000140)) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f00000000c0)=ANY=[@ANYBLOB="ac1414aa1414ea000000000100c71bac1414aa00"], 0x14) setregid(r1, r2) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_SET_VAPIC_ADDR(r5, 0x4008ae93, &(0x7f0000000040)=0xffffffffffffffff) syz_kvm_setup_cpu$x86(r4, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000380)=[@text64={0x40, &(0x7f0000000100)="0f20c035040000000f22c0640fc7a8000000000f20e035010000000f22e0b9510b0000b80d000000ba000000000f30c46239f7b4a6008000000f01c866b8e5008ed00f07c46179d7e3410f2083", 0x4d}], 0x1, 0x0, &(0x7f00000003c0), 0x0) ioctl$KVM_SET_LAPIC(r5, 0x4400ae8f, &(0x7f00000005c0)={"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"}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$TCSETA(r0, 0x5402, &(0x7f00000001c0)={0x0, 0x0, 0x6, 0x28, 0x200, 0x1f, 0xffffffffffffffff, 0x4000000c26, 0x1}) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000180)) write$sndseq(r0, &(0x7f000000a000)=[{0x40000040081, 0x80000003, 0x0, 0x0, @time={0x77359400}, {}, {}, @time=@time}], 0x30) 2018/05/07 00:19:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x30]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xb40000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:15 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4]}}, 0x1c) 2018/05/07 00:19:15 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000000)=0xff, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x7fe, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20}, 0x10) setsockopt$inet_opts(r0, 0x0, 0x6, &(0x7f0000000140)="0f", 0x1) socketpair(0xb, 0x8da270eedad8c315, 0xfff, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0xb0, &(0x7f0000000180)=[@in={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x4e24, 0x2, @ipv4={[], [0xff, 0xff], @rand_addr=0x7}}, @in={0x2, 0x4e23, @multicast2=0xe0000002}, @in6={0xa, 0x4e22, 0x6, @empty, 0x5}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x15}}, @in={0x2, 0x4e21, @loopback=0x7f000001}, @in6={0xa, 0x4e24, 0x3, @empty, 0x7}, @in6={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80, [], 0x1c}, 0x5}]}, &(0x7f0000000240)=0x10) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000280)={r2, @in={{0x2, 0x4e20, @rand_addr=0x3}}}, 0x84) recvmsg(r0, &(0x7f0000bd9000)={0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f00009fdfaf)=""/81, 0x51}, 0x40002106) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x50f00, 0x0) ioctl$TIOCLINUX3(r3, 0x541c, &(0x7f0000000080)=0x3) 2018/05/07 00:19:15 executing program 7: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) open_by_handle_at(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="29febcbe00000000"], 0x412803) r0 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r0, 0x0, 0x0, 0x40007) 2018/05/07 00:19:15 executing program 7: fcntl$getown(0xffffffffffffffff, 0x9) getpgid(0xffffffffffffffff) fcntl$getown(0xffffffffffffff9c, 0x9) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000000)) getpid() fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f00000002c0)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000340), &(0x7f00000001c0)=0xc) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000005c0), &(0x7f0000000600)=0xc) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x2082, 0x0) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000000140)=""/114) r1 = gettid() socketpair$inet(0x2, 0x3, 0x667, &(0x7f0000000040)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_ZERO(r2, 0x0, 0x48f, &(0x7f0000000080)={0x7e, @remote={0xac, 0x14, 0x14, 0xbb}, 0x4e24, 0x4, 'rr\x00', 0x0, 0x3, 0x63}, 0x2c) ioctl$sock_SIOCGSKNS(r2, 0x894c, &(0x7f00000000c0)=0x6) r3 = syz_open_procfs(r1, &(0x7f0000000640)="39cbb1715d3b53397eeaea21237189f207dcfac80e4d9a6f33202c8b4e5825afc6dd80ff88bc9328790b5e3af1f38683a895745e5edadf778d47228290ca9c") r4 = syz_open_procfs(0x0, &(0x7f0000865ff5)='clear_refs\x00') sendfile(r4, r3, &(0x7f000058f000)=0xf, 0x100000000) r5 = syz_genetlink_get_family_id$fou(&(0x7f0000000240)='fou\x00') ioctl$KVM_GET_PIT2(r3, 0x8070ae9f, &(0x7f00000003c0)) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80002000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r5, 0x200, 0x70bd28, 0x25dfdbfd, {0x2}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c4}, 0x40080) [ 588.803611] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 588.826539] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:15 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0x42a000, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000000c0)={{{@in=@rand_addr, @in=@remote}}, {{@in6=@ipv4}, 0x0, @in=@dev}}, &(0x7f00000001c0)=0xe8) io_setup(0xbc, &(0x7f0000000000)=0x0) fstatfs(r0, &(0x7f0000000200)=""/94) r2 = socket(0x2, 0x806, 0x0) io_submit(r1, 0x1, &(0x7f0000000300)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000100), 0x2dc}]) 2018/05/07 00:19:15 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x91ffffff00000000]}}, 0x1c) 2018/05/07 00:19:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:15 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x0, 0x900) ioctl$TCGETS(r2, 0x5401, &(0x7f0000000080)) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f0000000340)="9a0b0000001601c4c27d0e0544c90000f20f102c8c66b85b000f00d80f23e3b9020900000f32c4e31d5c3afc2e660f388232b81769f1070f23c00f21f835030008000f23f80f0176e2", 0x49}], 0x1, 0x0, &(0x7f0000000280), 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 589.002539] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:15 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f000095bffc)={0x0, 0x1}, 0x4) sendto$inet(r0, &(0x7f0000000000)="6f8889596002e55e83e913b5c57d988015ace2a9744db35114354901ae564a3c9d003a8b05916d5ba0c3cc9b", 0x2c, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr=0x4}, 0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000540)={0x0, @in6={{0xa, 0x4e24, 0x800, @local={0xfe, 0x80, [], 0xaa}, 0xac}}, 0x100000001, 0x3ff, 0x5, 0x7, 0x7}, &(0x7f0000000600)=0x98) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000640)=@sack_info={r2, 0xfff}, &(0x7f0000000680)=0xc) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r0, 0xc4c85513, &(0x7f0000000040)={{0x1f, 0x4, 0x7ff, 0x3, "22d84a2f4015500786eb173e9f01c8f6b67142927726679dd4c87fc2839ef792a0a02a8178d701584c9e9aaf", 0x7ff}, 0x7fffffff, [0xe00000, 0x5, 0x100000001, 0x2, 0x7, 0x8, 0xf1, 0x0, 0x1, 0x6, 0x1d5e, 0x4, 0x10001, 0x69, 0x5, 0x6, 0x5, 0x7, 0x6, 0x800, 0x81, 0xfffffffffffffff8, 0x6, 0x5, 0x9, 0x4, 0x400, 0x1, 0xc7, 0xfe, 0x9, 0x1, 0x5, 0xa28, 0xffff, 0x3, 0xffffffffffff9ed8, 0x3f, 0x7, 0x8, 0x0, 0x3, 0x0, 0x661, 0x6, 0x6, 0x48a2, 0x9, 0x9, 0x2e, 0x57f6, 0x0, 0x9c29, 0x9a, 0x3, 0x6ee0, 0x6, 0xfffffffffffffff9, 0x1, 0x61ab, 0x9, 0x1, 0x3, 0x8, 0x1, 0x1, 0x100, 0x407, 0x4, 0x7, 0x9, 0x2, 0x7fffffff, 0x6, 0x0, 0x23a6381, 0x800, 0x3, 0xffb1, 0x5e, 0x1, 0xfffffffffffffffa, 0x800, 0x8, 0x5cb1, 0x7, 0x8, 0x100, 0x6, 0xffffffff, 0x4, 0xfff, 0xbbb, 0x6, 0x6, 0x3d7, 0x7f, 0x3b76, 0x8, 0x4, 0x2, 0x800, 0x3, 0x3, 0x4, 0x40, 0x7, 0x400, 0xfffffffffffffff7, 0x4b, 0xc8e0, 0x8, 0x7f6d, 0x0, 0x1fb9, 0x2, 0x0, 0xffff, 0x101, 0x7, 0x200, 0x4ab, 0xfe00, 0x8, 0x9, 0x5, 0x100000001], {0x0, 0x989680}}) 2018/05/07 00:19:15 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(aes-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="0a0775b005e381e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x29d5, 0x80000) sendmsg$rds(r2, &(0x7f0000001840)={&(0x7f0000000040)={0x2, 0x4e23}, 0x10, &(0x7f0000001600)=[{&(0x7f0000000140)=""/120, 0x78}, {&(0x7f00000001c0)=""/225, 0xe1}, {&(0x7f00000002c0)=""/38, 0x26}, {&(0x7f0000000300)=""/224, 0xe0}, {&(0x7f0000000400)=""/173, 0xad}, {&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f00000014c0)=""/78, 0x4e}, {&(0x7f0000001540)=""/1, 0x1}], 0x8, &(0x7f00000017c0)=[@rdma_map={0x30, 0x114, 0x3, {{&(0x7f0000001680)=""/241, 0xf1}, &(0x7f0000001780), 0x24}}, @rdma_dest={0x18, 0x114, 0x2, {0x9}}, @zcopy_cookie={0x18, 0x114, 0xc, 0x4}], 0x60, 0x4000000}, 0x40000) sendmmsg(r1, &(0x7f0000003440)=[{{&(0x7f0000001580)=@can={0x1d}, 0x80, &(0x7f0000001900)=[{&(0x7f0000001880)='9', 0x1}], 0x1, &(0x7f00000049c0)=[{0xde8, 0x0, 0x0, "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{0xa8, 0x29, 0x7, "245f9cb2cf632e2154edcef824d2c1ba8793f444f462334ea6eccb4ee19c618b335f43e880a9180acee956c230007af61bd285901319392436083d0c7e61b4e4f3106de1370e4a43a4ab03f1e044f0f9f1dc8ac40f6dc5fe460f79ebd84942ec3121fa5bde60b6fbc5d2e764467b4bb6aabf93b1c3ac7452c6972b81177f5c7d373fb47b6925f9dc14a2654c135ec5b95d"}, {0x20, 0x103, 0x6, "4db1115f0a265aa689f7e371"}, {0x1010, 0x112, 0x8, 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{&(0x7f0000008c40)="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0x1000}], 0x3, &(0x7f0000002f00)=[{0xd0, 0x29, 0x5, "ba2ba75e6a5f716107541d41d734a75b93a1f8d7434833547cd53192860de8c104a00443aee4f27e7af512bfe7f5acef1be78a5f690698d6f37c7ae813b657dca3c7e9180d7bfa80c45b86a61fab66ad487deb790063834d76267ee911f08f73ff36d9e85fd5dbb972e0a7263e0f105859eb9419de034493a0ecb983a873d6e71b7688d58bfca6043b34d10a23c13dd9d7c6a7acaa6d7ac86b501a08b1713d6fd25fd87fb80e5260321bc88a18b6df727dc62cc792183087dc"}, {0xf8, 0x109, 0x8, "536cbd76c9518d4e03b7142465f22d2df0d728527807c5e6c85959d985a0f9f02e1498da2cf432f72c0b5117abe5d5f946dabf6fa8e7c56aadd29259eebf7c87f5acb1bcfbc8d8cff11b843b3b38548340a5afb024b2c6e1113058d625bf980d8a71ca4a308159daa555cc7ace34df553bd983ea413b4dd52a509aeb231c62f229932ba468e9259d6542eb3519c447d9cb4af5d6cf4416e93daea76247236fde91b4d1ee7f720322d568aa6465199849738081e2100ce9b89afa7ffab196b5ecbacc14cca3d5dde49f42b4d9945dcf1a10efb258fa05f8c1ceb5e565294c06aed2255cfb"}], 0x1c8, 0x4000}, 0x80000001}], 0x3, 0x80) 2018/05/07 00:19:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:16 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4000000000000000]}}, 0x1c) 2018/05/07 00:19:16 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_setup(0x0, &(0x7f0000000040)) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcs\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r1, 0x80404509, &(0x7f0000000200)=""/119) setsockopt$netrom_NETROM_T2(0xffffffffffffffff, 0x103, 0x2, &(0x7f0000000180), 0x4) r2 = gettid() ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0xdd) ioprio_get$pid(0x3, r2) clone(0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000140), &(0x7f0000000000)) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000001c0)=""/30) io_submit(0x0, 0x0, &(0x7f0000c32000)) 2018/05/07 00:19:16 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f00000008c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000006c0)={'ifb0\x00', 0x4012}) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r1, &(0x7f0000000000)={0x4}) ioctl$TUNSETLINK(r1, 0x400454cd, 0x306) r2 = perf_event_open(&(0x7f000001d000)={0x200000002, 0x78, 0x0, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x40082406, &(0x7f00000000c0)='(posix_acl_accesstrusted-**self+eth0keyring!\x00') ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000040)={'team_slave_0\x00', {0x2, 0x4e24, @loopback=0x7f000001}}) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000180)={{0x2, 0x0, @multicast2=0xe0000002}, {0x2, @link_local={0x1, 0x80, 0xc2}}, 0x0, {0x2, 0x0, @multicast1=0xe0000001}, 'ifb0\x00'}) 2018/05/07 00:19:16 executing program 1: rt_sigaction(0x400000000000007, &(0x7f0000000200)={0x422470, {0xffffffbfffbff274}}, &(0x7f0000000240), 0x8, &(0x7f0000000280)) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000300)='/proc/self/net/pfkey\x00', 0x309041, 0x0) syz_open_dev$dmmidi(&(0x7f0000000340)='/dev/dmmidi#\x00', 0x0, 0x400) r0 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) mmap(&(0x7f00004ad000/0x3000)=nil, 0x3000, 0x3ffbd6f93489db3a, 0x8010, r0, 0xffffffffffffffff) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x7, 0x80) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000080)={0x0, 0x49, "4e5a9a71df2e88068694fbeb3f158b4690673920920a054178f5c20b8c83ba6a46f7bc98fd4717071e08e16e5ccd4e7baf910f5c5b7f7981c8390408ce23c3fe6cda2fbc0e40782709"}, &(0x7f0000000100)=0x51) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000140)={r2, 0x8000, 0x5, [0x2, 0x9, 0x7ff, 0x101, 0x65601f8a]}, &(0x7f0000000180)=0x12) accept$ipx(r1, &(0x7f00000001c0), &(0x7f00000002c0)=0x10) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='comm\x00') 2018/05/07 00:19:16 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x0, 0x0, 0x6}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x20, 0x0, 0x0, 0x0, 0x0, 0x215, 0x800, 0x0, 0x0, 0x6, 0x0, 0xeda, 0x3c, 0x0, 0x0, 0xf2]}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000080)={0x10002, 0x3, 0x0, 0x1000, &(0x7f0000013000/0x1000)=nil}) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000400)=0xffff) openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) lchown(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe6000/0x18000)=nil, &(0x7f0000000380)=[@text64={0x40, &(0x7f0000000140)="2e440f01f8c4c1791337440f20c03506000000440f22c0b97d0300000f3266ba420066ed66b87d000f00d80fc72d04000000b913090000b8be51ac21ba000000000f30400f019d0c00000066b853008ed0", 0x51}], 0x1, 0x16, &(0x7f00000003c0)=[@efer={0x2, 0x1500}, @dstype3={0x7, 0xe}], 0x2) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/07 00:19:16 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf00000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2b00]}}, 0x1c) shutdown(r0, 0x1) [ 589.700615] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 589.718783] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 589.733692] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x30000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:16 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfc00000000000000]}}, 0x1c) [ 589.790572] *** Guest State *** [ 589.793999] CR0: actual=0x0000000000000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 [ 589.802993] CR4: actual=0x0000000000002060, shadow=0x0000000000000020, gh_mask=ffffffffffffe871 [ 589.811934] CR3 = 0x0000000000002000 [ 589.815731] PDPTR0 = 0x0000000000000000 PDPTR1 = 0x0000289100002011 [ 589.822308] PDPTR2 = 0x0000000700000001 PDPTR3 = 0x0000000000000000 [ 589.828869] RSP = 0x0000000000000f80 RIP = 0x0000000000000000 [ 589.834968] RFLAGS=0x00000002 DR7 = 0x0000000000000400 2018/05/07 00:19:16 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000080)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x1e, &(0x7f0000000040)=0x1, 0x4) r1 = socket$netlink(0x10, 0x3, 0x6) write(r1, &(0x7f0000000100)="1e0000001500fffff82f01051c180fff0100000008000000000000a0a000", 0x1e) connect$inet(r0, &(0x7f0000000180)={0x2, 0x0, @loopback=0x7f000001}, 0x10) poll(&(0x7f0000000000)=[{r0, 0x4000000}], 0x2000000000000056, 0x72a) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x1, 0x500c0) [ 589.841050] Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 [ 589.847810] CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 [ 589.855861] DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 589.863944] SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 589.871991] ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 589.880081] FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 589.888127] GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 589.896184] GDTR: limit=0x000007ff, base=0x0000000000001000 [ 589.904237] LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 [ 589.912296] IDTR: limit=0x000001ff, base=0x0000000000003800 [ 589.920351] TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 [ 589.928413] EFER = 0x0000000000001001 PAT = 0x0007040600070406 2018/05/07 00:19:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 589.934897] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 589.942452] Interruptibility = 00000000 ActivityState = 00000000 [ 589.946078] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 589.948734] *** Host State *** [ 589.948757] RIP = 0xffffffff811f7479 RSP = 0xffff8801ad697390 [ 589.948788] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 589.974878] FSBase=00007f4ead09a700 GSBase=ffff8801dae00000 TRBase=fffffe0000003000 [ 589.982769] GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 [ 589.988724] CR0=0000000080050033 CR3=00000001ba171000 CR4=00000000001426f0 [ 589.995825] Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff87801380 [ 590.002570] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 590.008707] *** Control State *** [ 590.012222] PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000ca [ 590.018973] EntryControls=0000d1ff ExitControls=0023efff [ 590.024495] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 [ 590.031503] VMEntry: intr_info=0000030d errcode=00000000 ilen=00000000 2018/05/07 00:19:16 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, &(0x7f0000c97ff8)) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f00000000c0)=ANY=[@ANYBLOB="08000000000000008c9046a2517e9beabc7c37ddf9a3"]) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000080)={0x400000000007}) [ 590.038242] VMExit: intr_info=00000000 errcode=00000000 ilen=00000002 [ 590.044920] reason=80000021 qualification=0000000000000000 [ 590.051306] IDTVectoring: info=00000000 errcode=00000000 [ 590.056833] TSC Offset = 0xfffffec0cc4cb92e [ 590.061222] EPT pointer = 0x000000018c23c01e 2018/05/07 00:19:16 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 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) write$evdev(0xffffffffffffffff, &(0x7f0000b5df88)=[{}], 0x18) unshare(0x0) shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) iopl(0xffffffffffffff69) getsockname(0xffffffffffffffff, &(0x7f0000000100)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80) unshare(0xc000000) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r1 = perf_event_open(&(0x7f000000a000)={0x6, 0x70, 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, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x8000000200000000, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000091dff8)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) r2 = add_key$user(&(0x7f0000000080)='user\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000600)="ddb7c9f85387995fda830870c2bcb79f2b9e9401dc57eff706cb03985193b9b694878b9ada1c64dc0d06eef073e1b159a5e0dee4147d185ddbc502589297428e6ab36984c5f2b12b8e88758715ad8e40049c5781c800a9fe4a0b4625", 0x5c, 0xfffffffffffffffa) keyctl$assume_authority(0x10, r2) fcntl$getown(r1, 0x9) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000300)=0x9, 0x4) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40082406, &(0x7f00000000c0)='user\x00') r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000180)={0x26, 'hash\x00', 0x0, 0x0, 'sha1\x00'}, 0x58) accept4$alg(r3, 0x0, 0x0, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000001100)) socket$inet6_tcp(0xa, 0x1, 0x0) r4 = socket$inet6(0xa, 0x2, 0x1000) bind$inet6(r4, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r4, 0xeb8) syz_emit_ethernet(0x3, &(0x7f0000000100)=ANY=[@ANYBLOB="aaaaaaaaaaaaffb9338785ff86dd60d8652b00140600fe800000000000000000000000000087fe8000000000000000000000000000aa4f004e20", @ANYRES32=0x41424344, @ANYBLOB="5002000090780000"], &(0x7f00000002c0)) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000000)='ifb0\x00', 0x10) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x101000, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r5, 0x40045532, &(0x7f0000000200)=0x4) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, &(0x7f00000002c0)) 2018/05/07 00:19:16 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x8000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xd808000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:16 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000003000)=[{{0x0, 0x0, &(0x7f0000002000)=[{&(0x7f000000a000)=""/193, 0xc1}, {&(0x7f0000006fc3)=""/61, 0x3d}], 0x2, &(0x7f0000004f99)=""/103, 0x67}}], 0x1, 0xfffffffffffffffc, &(0x7f0000002ff0)={0x77359400}) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@jmp={0x5, 0x0, 0x8, 0x0, 0x0, 0x4}], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) ppoll(&(0x7f0000000080)=[{r0, 0x4000}, {r0, 0x1}, {r0, 0x4}, {r0, 0x3000}, {r0}, {r0}, {r0}, {r0, 0x1000}], 0x8, &(0x7f0000000100)={r1, r2+30000000}, &(0x7f0000000140)={0x9}, 0x8) 2018/05/07 00:19:16 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xc4ffffff]}}, 0x1c) 2018/05/07 00:19:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 590.237978] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 590.255770] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:16 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) ioctl$KVM_GET_REG_LIST(0xffffffffffffffff, 0x4018920a, &(0x7f0000dbafe8)) 2018/05/07 00:19:17 executing program 2: r0 = eventfd(0x401) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x9, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000600), 0xbcd5c229960c0b0) madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xc) clone(0x0, &(0x7f00000000c0), &(0x7f0000000000), &(0x7f0000000200), &(0x7f0000000040)) mremap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x2000, 0x3, &(0x7f0000ffe000/0x2000)=nil) r2 = add_key(&(0x7f00000002c0)='syzkaller\x00', &(0x7f0000000300)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000340)="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", 0xfc, 0xfffffffffffffffa) r3 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000440)="322a3d522244a7e9287abeef2232eb1ae34601660b3e0a62cc55d921d55307f7a94e4f0f584be488980217b685b0150f1b03f455adae290fac4347286fe007b0ab4ed5296d3bdb743cb9edb45a626886892d049f35762e2b7d83e6b45874f306a90a337520ab228a9b60aa54af18f1941f830ed8f54053d093287a902de6697f99d3f5", 0x5c, r2) r4 = syz_open_dev$sndpcmc(&(0x7f00000001c0)='/dev/snd/pcmC#D#c\x00', 0x1d90adce, 0x4080) ioctl$TIOCGSID(r4, 0x5429, &(0x7f00000000c0)=0x0) r6 = fcntl$getown(r0, 0x9) kcmp$KCMP_EPOLL_TFD(r5, r6, 0x7, r0, &(0x7f0000000100)={r4, r0, 0x400}) getsockopt$bt_BT_DEFER_SETUP(r4, 0x112, 0x7, &(0x7f00000005c0)=0x2, &(0x7f0000000580)=0x14c) keyctl$update(0x2, r3, &(0x7f0000000180)="cdcf7467572d61f97776f1d6cb70ef045313a974898e5057821649afbf372cfe907325da", 0xff70) 2018/05/07 00:19:17 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfec00000]}}, 0x1c) 2018/05/07 00:19:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x32]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:17 executing program 7: socketpair(0x1, 0x1, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f000041bff4)={0x10000011}) ioctl$DRM_IOCTL_GEM_OPEN(r1, 0xc010640b, &(0x7f0000000080)={0x0, 0x0, 0x8}) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f00000000c0)={0x0, 0x0, 0x3}) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000100)={r3, r4, 0x8}) epoll_wait(r2, &(0x7f0000000040)=[{}], 0x1, 0xfffffffffffffffe) write$fuse(r0, &(0x7f0000000000)={0x28, 0x0, 0x0, @fuse_notify_store_out}, 0x28) 2018/05/07 00:19:17 executing program 3: sendmsg$alg(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)="60c49f1c23119633f124fbb7f003732f3e8e39c9f701aa7f7239aa37343e8ec331714b77c196ef0a89293b50b94a2fe15c9cf5b67927a12239e522c699612a2573e4a54fc64e2d069f1aa7a089bd7f4f2e4a68a681d3400731653ad46d93140ba2", 0x61}], 0x1, &(0x7f0000001480)}, 0x0) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$KVM_SET_DEBUGREGS(r0, 0x4080aea2, &(0x7f0000000000)={[0xd000, 0x0, 0x1, 0xd000], 0x7fffffff, 0x9, 0x1400000000000}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_ifreq(r1, 0x89f2, &(0x7f00000001c0)={'ip6_vti0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) 2018/05/07 00:19:17 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xe8030000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:17 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x1, 0x3, &(0x7f0000000000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x5, 0x3c}, [], {0x95}}, &(0x7f00000002c0)='syzkaller\x00', 0x6, 0x99, &(0x7f0000000200)=""/153}, 0x48) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000100)) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) getpeername$packet(r0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000380)=0x14) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'bridge0\x00', r1}) r3 = gettid() tkill(r3, 0x32) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'vcan0\x00', r2}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f00000000c0)={r4, 0x1, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1f}}, 0x10) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f00000003c0)={0x7fff, 0xbb, "b463ab7fa1b5023a01e795cd9fa8db0907a9fd1712501ca1a861df4667f6ecf0e350266ea29f781b90013c0c009f094c0d9593a259cdc4330d3fb4fe613abece72e9fb1075ce1fef8a39ad4275f2ffb2318df244588a21c084501ecb1007c3fcd9fef5e6146091830c278109493e7064a78dd48c81713df5469452fdd9aea6fc8f4895b770b905fd203f34fe8fa78d546eff3b6395a5de957c05f58fa903efcfc9534385d567a2a242f147e6e0620283077a01a666e8bb72e83af9"}) 2018/05/07 00:19:17 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x91ffffff00000000]}}, 0x1c) shutdown(r0, 0x1) [ 591.153297] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 591.179665] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000003c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cts(cbc-twofish-3way)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00001ec000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x8000) read(r1, &(0x7f0000000540)=""/153, 0x99) ioctl$KDGKBDIACR(r1, 0x4b4a, &(0x7f00000001c0)=""/200) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[@ANYBLOB="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"], 0x78) 2018/05/07 00:19:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3300000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 591.206276] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:17 executing program 1: mprotect(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0) get_mempolicy(&(0x7f0000000240), &(0x7f0000000040), 0x7ffd, &(0x7f0000002000/0x4000)=nil, 0x2) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000380)="2f70726f632f7379732f6e65742f697076340200030064724f705f656e74727900d41ecc8ea323d6df457053fbd0edae80b197715ba0afd6faef5c5d5dfe5ba13efc37fedc439b7c07f0cde57cef21adf3b1edc15b", 0x2, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r0, 0x80045530, &(0x7f0000000080)=""/191) 2018/05/07 00:19:17 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x218]}}, 0x1c) 2018/05/07 00:19:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:17 executing program 2: r0 = syz_open_dev$binder(&(0x7f0000232ff3)='/dev/binder#\x00', 0x0, 0x0) r1 = syz_open_dev$binder(&(0x7f0000001000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x20011, r1, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) r2 = dup2(r0, r1) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000008000)={0x44, 0x0, &(0x7f0000004fbc)=[@transaction={0x40406300, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x28, 0x8, &(0x7f000026c000)=[@ptr={0x73622a85, 0x0, &(0x7f00004edf8a), 0x1}], &(0x7f000000afd0)=[0x0]}}], 0xffffffffffffff60, 0x0, &(0x7f0000009000)}) mmap$binder(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x11, r2, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r2, 0x40046207, 0x0) 2018/05/07 00:19:17 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/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$x86(r1, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000040)=[@textreal={0x8, &(0x7f00000000c0)="0f017c0026f00fc78c0078360fea3826360f2212baf80c66b8f3baef8b66efbafc0cb0c1ee36672e260fc798ec000000bad10466ed660f091e66b9ff0200000f32", 0x41}], 0x1, 0x20, &(0x7f0000000140), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@textreal={0x8, &(0x7f0000000080)="d9e966b9800000c00f326635004000000f30ba4300b00aeef436d154470f209b65f2f30f08baa000ed0f356664269d", 0x2f}], 0x1, 0x0, &(0x7f0000000180), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/07 00:19:18 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x40fc72e2]}}, 0x1c) [ 591.476844] binder: 2495:2496 transaction failed 29189/-22, size 40-8 line 2856 2018/05/07 00:19:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 591.519254] binder_alloc: binder_alloc_mmap_handler: 2495 20000000-20002000 already mapped failed -16 [ 591.574574] binder: BINDER_SET_CONTEXT_MGR already set 2018/05/07 00:19:18 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe00]}}, 0x1c) [ 591.595763] binder: 2495:2496 ioctl 40046207 0 returned -16 [ 591.617087] binder_alloc: 2495: binder_alloc_buf, no vma [ 591.622714] binder: 2495:2496 transaction failed 29189/-3, size 40-8 line 2971 2018/05/07 00:19:18 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) socket(0x11, 0xb, 0x9) r0 = socket(0x10, 0x802, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) r2 = fcntl$getown(r0, 0x9) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000180)={0x4, 0x6, 0x8}, 0xc) syz_open_procfs(r2, &(0x7f0000000200)="6e65742f736e6d706d8554cc12a855d01ec845cc79fc74720a070000000097be36ba00000054c68fc55e133ba4b790be4c0dabba99ca04a15d9e914096a37f91944179530e85dc995d34d87ba41a52f62f04429d00d84be0c6a64fd498e4fa98f622e8758a8e5e5de0d44b218b1598b746d30d5b9719e276e3d85c5d536b0b8d179cfc00") ioctl$TTUNGETFILTER(r1, 0x801054db, &(0x7f0000000100)=""/67) write(r0, &(0x7f0000000080)="220000001800071100be0000090007000a00013f0000000900f8ff0005000280ff45", 0x22) [ 591.690847] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 591.742768] IPv6: Can't replace route, no match found [ 591.778196] IPv6: Can't replace route, no match found 2018/05/07 00:19:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x5400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:18 executing program 3: r0 = msgget$private(0x0, 0x0) msgsnd(r0, &(0x7f000010d000)=ANY=[@ANYBLOB="0003"], 0x1, 0x0) msgctl$IPC_SET(r0, 0x1, &(0x7f000079df88)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}) msgsnd(r0, &(0x7f0000000340)=ANY=[@ANYRES32], 0x1, 0x0) msgrcv(r0, &(0x7f0000000000)={0x0, ""/118}, 0x7e, 0x0, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cuse\x00', 0x100, 0x0) setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f00000000c0)={0x8d9, 0x9, 0xffffffff, 0x800}, 0x10) 2018/05/07 00:19:18 executing program 7: mkdir(&(0x7f0000249ff8)='./file0\x00', 0x0) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') r1 = epoll_create(0x8000) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000faeff4)) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000a9eff8)='./file0\x00', &(0x7f00000db000)='ramfs\x00', 0x0, &(0x7f000000a000)) chroot(&(0x7f0000000000)='./file0\x00') setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000040)={{0xa, 0x4e24, 0x2, @dev={0xfe, 0x80, [], 0x1c}, 0x4c9}, {0xa, 0x4e23, 0x9, @local={0xfe, 0x80, [], 0xaa}, 0x7fff}, 0x80, [0x5, 0x1, 0x0, 0xcad, 0xe0e3, 0x2, 0xfce3, 0x6]}, 0x5c) r2 = dup2(r1, r1) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f00000000c0)=0xffffffff) mount(&(0x7f00008bcff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x5000, 0x0) pivot_root(&(0x7f0000359ff8)='./file0\x00', &(0x7f00007d7ff8)='./file0\x00') 2018/05/07 00:19:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:18 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x8dffffff]}}, 0x1c) 2018/05/07 00:19:18 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x400000, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x7ff, 0x4000) r2 = gettid() r3 = geteuid() lstat(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(r0, &(0x7f0000000680)={&(0x7f00000000c0)=@kern={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)=[{&(0x7f0000000140)={0x268, 0x2f, 0x4, 0x70bd29, 0x25dfdbfe, "", [@nested={0x174, 0x3d, [@generic="6d97b6fffdf6349dfb7f68e2192767c7646dc8ccc0048e0b0587896f38747882ff93b6a49c806864b246aa9ecb9a822e04be2b4402cc5352d6f6dce933ff0c894aa77ab08f907e7604b9f4cc81cc876b13ead30e86b5deee3e1a515bd4a5", @typed={0x14, 0xc, @ipv6=@local={0xfe, 0x80, [], 0xaa}}, @typed={0x8, 0x1d, @fd=r1}, @generic="138c01a51dcef323c6421ebdf125c148beeddd92130ab82d679d627b6da0759c80163692110157ea8f9ac57f37e2e98916ce2d4f6a7a3a7d23916448ac003fcdb2f8bf5656aa3bf8a073c425fdb6450f1d9b0d950cfdb192bd43774314239d894b3859845284fb8b0f605f70b626c68ef14a7e14cec0f4e2988eb39ca8ec66e69457c59a25d784fd479cac73f7e6601ff2e8d4cb0dfef799d57d5ec92e88f94b70954ad60a42ff70ad145efbbae5b677452708a2752e0f61428f40553b54882b24fe60429173e0a644f6174cc8a5eb1ec6ad704039936e45ce0d375156332a0e55db1af56618e171459552023a8db891a0c77c4dd9"]}, @generic="50df92127710be661b5cfeae3ec380909aa6a8a76c7158c114a94127e72833e05f42bb1f0d9e1cbd71f2212096406322b6022dd0508c6dc9985103e413c399c9452f4a9c7a263f46e61529ba3d4913dcbb20c96224ef9bbbd5a3c6a4d346cce8eb516086811f3a3eda11010c24b021887102b3d68360c539f06edd195280c15089534dcd4e993af1c9323a17898f2f229c6099ffd93b9d77101e0ec7fa146f4fc45587139c655b994d418ddb90afd8eaeaaaefe2ee9c433069e8e72fc74845c93c7c71b7fd15c9c0415b948ed78954b419cec1", @typed={0x8, 0x1d, @pid=r2}, @typed={0x8, 0x4, @uid=r3}]}, 0x268}, {&(0x7f0000000480)={0x1b8, 0x31, 0x220, 0x70bd2c, 0x25dfdbfb, "", [@generic="fcb63df7fb7eefab2c95a6147c91605fca029099766d83d9a7b4f5bc003bc539d2a65e2cecd42bc487a778b107907f79d6fe847f7e7312d6d2cd6f44fa4b1ad6d8bed506ff9428f246e96aa8dd8ec78a513bdac3f943a3f9bc13cfe5ae48d648e473c7", @generic="090e52ab4368f92cb7a41516dcdd8826d47e2177f8fd46502600ef1baa6a51eb4fd384af372351bff681a5", @nested={0x84, 0x1e, [@generic="cf746572350c10c2887a84c9e17578345bd69ad84141952e62ee03068b268e68c36d3ab3c3d455299bec27ddc4a4ba0bc070634ecb6cec43cd6a6a4b0219f2fe0917d31b4dd9d08c0de68b5aeb46056baa91b8646c70646b0b7a55e8b26a072d21f8a56183e3cb7c58b089ac3134d273", @typed={0x10, 0xd, @str='/dev/kvm\x00'}]}, @nested={0x1c, 0x2c, [@typed={0x8, 0x6c, @uid=r4}, @typed={0x10, 0x1f, @str='/dev/kvm\x00'}]}, @typed={0x4, 0x52}, @generic="a957de263a6a57a7d0c4398c76c814bb6b5ea0eb4b652e6c91f9578afd300ca6a7c8d6e6291cf0c800d9ec4dd73a567afe938a53a4cfaee4c19597540b14b3b473af8035eb4dabef7e0966e9b1bfefa6a0c8727c63ce369bd4def4367448ab3e1ef761230efca404204f8a3667fa4af9cab298"]}, 0x1b8}], 0x2, 0x0, 0x0, 0x24000000}, 0x20000881) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) getdents64(r0, &(0x7f00000006c0)=""/165, 0xa5) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) r7 = eventfd2(0x0, 0x0) ioctl$KVM_IOEVENTFD(r6, 0x4040ae79, &(0x7f0000000000)={0x0, &(0x7f000002d000), 0x2, r7, 0x3}) ioctl$KVM_IOEVENTFD(r6, 0x4040ae79, &(0x7f0000683000)={0x1, &(0x7f000002d000), 0x2, r7, 0xb}) 2018/05/07 00:19:18 executing program 2: r0 = 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$netlink(0x10, 0x3, 0x6) writev(r1, &(0x7f0000000000)=[{&(0x7f0000000040)="580000001400192340834b80040d8c5602062200010400000000000000005800004824ca944f64009400050028825a003b5fbe907902008000f0fffefffffe03edf8fef5dd00000010000100000c0900fcff4d00040e05a5", 0x58}], 0x1) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x2, 0x5, 0x4ca, 0x8, 0x1f, r0, 0x3}, 0x2c) 2018/05/07 00:19:18 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x50000]}}, 0x1c) shutdown(r0, 0x1) [ 592.155166] nla_parse: 3 callbacks suppressed [ 592.155175] netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. [ 592.172924] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 592.176937] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 592.243909] netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:19:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xeffdffff]}}, 0x1c) 2018/05/07 00:19:19 executing program 7: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f000080a000)='/dev/vhost-net\x00', 0x2, 0x0) io_setup(0x280, &(0x7f0000000180)=0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000200)=0x9) io_submit(r1, 0x1, &(0x7f0000002400)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000000)="b6b5b5efab7bfafd6afddccc227bf641c8d9478556fda4411971764475770935e4aabcea78f059db2a837339d42a789f8ef59fa43223e9c0967e4375d8ba1eef6c31dfcd3cb9be33", 0x48}]) 2018/05/07 00:19:19 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000e15000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) r1 = syz_open_dev$sndpcmp(&(0x7f0000001040)='/dev/snd/pcmC#D#p\x00', 0xad55, 0x28802) accept4$bt_l2cap(r1, &(0x7f0000001080), &(0x7f00000010c0)=0xe, 0x80800) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000133ffc)="71e67a15", 0x4) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) fcntl$setstatus(r2, 0x4, 0x2400) sendto(r2, &(0x7f00005c8f58), 0xfffffffffffffeee, 0x0, &(0x7f0000351ff0)=@ipx={0x4, 0x0, 0x0, "a074edebb7e1"}, 0x10) mmap(&(0x7f0000431000/0x400000)=nil, 0x400000, 0x0, 0x32, 0xffffffffffffffff, 0x0) readv(r2, &(0x7f0000000000)=[{&(0x7f0000000040)=""/4096, 0xfea7}], 0x1) 2018/05/07 00:19:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:19 executing program 1: pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) r2 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$update(0x2, r2, &(0x7f00000002c0)="737cd4b854cc0cd1f13aed9ab2a0e36b6b39779d1b491cb43c1be71015d249017075ba3f0dfe4d062e4b7dd62781f1861704b06a6112153dfd35f76a25c6ffac7bfc1873e46a75646eeb6abd00d0a109f624cb5cae39eaf985724347f59b5f26a199eb64662eb9ee1d935d63a8d385bdfe5ef5f418b94b965d4f0483c3fc77bb3415ee724330fd379e6b2c89cf6cbe8572b568e333d1c31fcefd52b8a79960a6388c54460e668f94db1077e8b8596d5c287654e9a35a987f22232b7d36d8c5492b6b39c103bf45980ffef0e28c4ef8e68a70d4eee3a49e", 0xd7) ioctl$VHOST_VSOCK_SET_GUEST_CID(r1, 0x8008af00, &(0x7f0000000280)={@hyper}) openat$full(0xffffffffffffff9c, &(0x7f0000000180)='/dev/full\x00', 0x100, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000001c0)='scalable\x00', 0x9) ioctl$BINDER_SET_MAX_THREADS(r1, 0x40046205, 0xffffffffffff0001) set_robust_list(&(0x7f0000000100)={&(0x7f0000000080)={&(0x7f0000000000)}, 0x8, &(0x7f00000000c0)}, 0x18) creat(&(0x7f0000000040)='./file0\x00', 0x8) 2018/05/07 00:19:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xcb]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:19 executing program 3: r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) mmap$binder(&(0x7f000000d000/0x1000)=nil, 0x1000, 0x0, 0x41831, r0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000340), &(0x7f0000000380)=0x14) r2 = syz_open_dev$vcsa(&(0x7f0000000180)='/dev/vcsa#\x00', 0xfffffffffffffff8, 0x2) ioctl$EVIOCSMASK(r2, 0x40104593, &(0x7f0000000300)={0x2, 0xa0, &(0x7f0000000200)="44e33b7db6ec4f0cdd09d1a01ce2efd2176e641f73ba0b6c66f86bf1e6e1df4de3f8dcc37cb841a658d6858d9e2abc6f06326336bc061c24a0760f43c71cd4253a1a0eb499aa336d556ca44f8617bbead8c491b34068a75903a7f36832df9866cb1f5dc756061d68aed4fff6369eeaee88759aeae51737bcd6f09e8c870ea808096c2cca1d347af80d5736c6e322bf50773cc8862f524c2ab5e58b19d3187815"}) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f00000001c0)=0x6, 0x4) r3 = syz_open_dev$binder(&(0x7f0000e0f000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f00000002c0)={0x4c, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="11634840000000000000000000000000000000000000000000000000000000000000000028000000000000000800000000000000", @ANYPTR=&(0x7f0000000080)=ANY=[@ANYBLOB="852a747000000000", @ANYPTR=&(0x7f0000000040)=ANY=[@ANYBLOB='\x00'], @ANYBLOB="010020a10000000000000000000000000000000000000000"], @ANYPTR=&(0x7f00000000c0)=ANY=[@ANYBLOB="0000040000000000"], @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00'], 0x0, 0x0, &(0x7f0000000180)}) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f00000003c0)={0x40, 0xfffffffffffffffd, 0x206, 0xa8c, 0x7, 0x9, 0x40, 0x1000, 0x0}, &(0x7f0000000400)=0x20) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) mmap(&(0x7f0000000000/0xaa1000)=nil, 0xaa1000, 0x4, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_buf(r5, 0x29, 0x37, &(0x7f0000001f31)="53783a8322a10d41b5f9f3f183ac8515cc87e7c4e5788880416f5bd43698c0969d7496da718255d62602d8d93eb3eae139ad13b14ae91a43175fbfca470001b9f04df992397a000000000000000988f1485dfddb2a6e9ed321d8f64e270000c6a664f7f750d56352", 0x68) getsockopt$inet6_buf(r5, 0x29, 0x37, &(0x7f00001d7000), &(0x7f0000aa1000)=0x1e0) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000440)={r4, 0x1}, 0x8) 2018/05/07 00:19:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x50000]}}, 0x1c) 2018/05/07 00:19:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd1001080]}}, 0x1c) shutdown(r0, 0x1) [ 593.091725] binder_alloc: 2578: binder_alloc_buf, no vma [ 593.097361] binder: 2578:2579 transaction failed 29189/-3, size 40-8 line 2971 2018/05/07 00:19:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x14000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:19 executing program 7: socketpair$inet6(0xa, 0x2, 0x2, &(0x7f0000002700)={0xffffffffffffffff, 0xffffffffffffffff}) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x821, @local={0xfe, 0x80, [], 0xaa}, 0x1}, 0x1c) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000002740)={0x100000000, {{0xa, 0x4e21, 0x5a7a6148, @dev={0xfe, 0x80, [], 0x21}, 0x689e4542}}}, 0x88) r1 = syz_open_dev$evdev(&(0x7f0000072fee)='/dev/input/event#\x00', 0x0, 0x0) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000040)) ioctl$EVIOCGBITSND(r1, 0x80404532, &(0x7f0000da8000)=""/17) 2018/05/07 00:19:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:19 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x400080, 0x0) ioctl$PIO_UNIMAP(r1, 0x4b67, &(0x7f0000000280)={0x7, &(0x7f0000000240)=[{0x4, 0x4}, {0x215, 0xffffffff}, {0x4, 0x4}, {0x10001, 0x4}, {0x1f, 0x1}, {0x2376f58f, 0x8001}, {0xfff, 0x4}]}) getsockopt$inet6_tcp_int(r0, 0x6, 0x22, &(0x7f0000000000), &(0x7f0000000140)=0x4) r2 = socket$netlink(0x10, 0x3, 0x0) connect$llc(0xffffffffffffffff, &(0x7f0000000100)={0x1a, 0x18, 0x9, 0x3f, 0x0, 0x5, @random="d28194712b2d"}, 0x10) sendto$llc(0xffffffffffffffff, &(0x7f0000000180)="a915987256a762755f101045f5c2e8ba1f30", 0x12, 0x8000, &(0x7f00000001c0)={0x1a, 0x301, 0x800, 0x40, 0x7fffffff, 0x800, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'lo\x00', 0x0}) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x1e, &(0x7f0000000040)=0x8, 0x4) sendmsg$kcm(r1, &(0x7f0000000580)={&(0x7f00000002c0)=@ethernet={0x1, @random="0f985ea977d8"}, 0x80, &(0x7f0000000540)=[{&(0x7f0000000340)="b65b515d5de2d0f0e0e5de5545bf74c7bb7e0acba2ad8819fd77b43f1369c84b916880cc774aadd0e212d2cb5620b359da0aaeb479ed4d76ce616f5d445644046b8ab2b3f95bc88b35575d302add9f570d", 0x51}, {&(0x7f00000004c0)="c35ab8718a414bb7ba83e2acf6a8ef7c0c7ad43006c89a1ffea616edc54d4073ca87ffc69a340c5dabbb571c82e3ee3f9feb3e9fefc013fcdadef3b962b62c534f", 0x41}], 0x2, 0x0, 0x0, 0x40001}, 0x20000000) ioctl$TCSETSF(0xffffffffffffffff, 0x5404, &(0x7f0000000200)={0x6, 0xffff, 0x9, 0x6, 0x0, 0x4, 0x1, 0x9, 0x401, 0x95fa, 0xfffffffffffffff9, 0x80}) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000980)=ANY=[@ANYBLOB="00100000000000000a004e21a800000000000000000000000000ffff7f000001070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000080000000a004e237a0000000000000000000000000000000000000104000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2304000000e98000000000000000000000000000bb5e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2006000000fe8000000000000000000000000000aa200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000220014d733a192844b6e731c0c07130000000000000000000000000000000000000000000000000000000000000000000000000a004e200100000000000000000000000000ffff000000000101000000000000e2ffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2003000000fe8000000000000000000000000000bb05000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2020000000fe8000000000000000000000000000bb20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e24fcffffffff01000000000000000000000000000109000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2100000014000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x1) sendmsg$nl_route(r2, &(0x7f0000000480)={&(0x7f00000003c0)={0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)=@ipv4_deladdr={0x18, 0x15, 0x409, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r3}}, 0x18}, 0x1}, 0x0) epoll_create(0x3) [ 593.160221] binder: BINDER_SET_CONTEXT_MGR already set [ 593.198082] binder: 2578:2579 ioctl 40046207 0 returned -16 [ 593.230432] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x15554]}}, 0x1c) shutdown(r0, 0x1) [ 593.247378] binder: 2578:2579 ioctl c0306201 200002c0 returned -14 [ 593.271703] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x8dffffff00000000]}}, 0x1c) 2018/05/07 00:19:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:19 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x0, 0x0, 0x6}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x20, 0x0, 0x0, 0x0, 0x0, 0x215, 0x800, 0x0, 0x0, 0x6, 0x0, 0xeda, 0x3c, 0x0, 0x0, 0xf2]}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000080)={0x10002, 0x3, 0x0, 0x1000, &(0x7f0000013000/0x1000)=nil}) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x4000, 0x2000, &(0x7f0000014000/0x2000)=nil}) lchown(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 593.362258] binder: undelivered TRANSACTION_ERROR: 29189 [ 593.435194] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:20 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000fbefee)='/dev/input/event#\x00', 0x0, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0xd0dc, 0x80000) ioctl$KVM_GET_ONE_REG(r1, 0x4010aeab, &(0x7f0000000040)={0x0, 0x7ff}) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f0000000080)=""/106) 2018/05/07 00:19:20 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:20 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xaaaa]}}, 0x1c) 2018/05/07 00:19:20 executing program 3: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000516ff0)={0x2, 0x4e21, @rand_addr}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='illinois\x00', 0x9) sendto$inet(r0, &(0x7f0000588fff), 0xfffffffffffffe98, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) shutdown(r0, 0x1) r1 = socket(0x10, 0x0, 0x7fffffff) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x7c, r2, 0xc02, 0x70bd25, 0x25dfdbff, {0xb}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x97b}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3f}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0xfffffffffffffffd}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x71}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x45}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40}, 0x48000) sendmsg$nl_xfrm(r1, &(0x7f00009d3000)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00001e5ff0)={&(0x7f0000abdefc)=ANY=[@ANYBLOB="4f0000001200db4d0000000000000000000000000000000000000000000000000000000000000000240008001d00080000001500690900000000000000891111a0edabf37c1fd93a0d000000"], 0x4c}, 0x1}, 0x0) 2018/05/07 00:19:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x300]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:20 executing program 2: clone(0x200, &(0x7f0000000540), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f00000006c0)='./file0\x00', 0x100000000001001, 0x0) execve(&(0x7f0000000000)='./file0\x00', &(0x7f0000000140), &(0x7f0000000200)) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000180)='syscall\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f00006f0000)=""/154, 0x9a}], 0x1, 0x0) lseek(r1, 0x0, 0x0) pread64(r1, &(0x7f00000000c0)=""/53, 0x1c1, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) unshare(0x2000000) fcntl$setstatus(r0, 0x4, 0x800) ioctl$KVM_GET_REG_LIST(r1, 0xc008aeb0, &(0x7f0000000100)={0x8, [0xd3, 0x2, 0xf77, 0x8000, 0x5, 0x803dacb, 0x9, 0x7]}) 2018/05/07 00:19:20 executing program 1: unshare(0x8000000) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r2, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[], 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000b30000)}, 0x0) r3 = dup2(r1, r2) sendfile(r3, r0, &(0x7f0000000440), 0x4) ioctl$TUNSETTXFILTER(r3, 0x400454d1, &(0x7f0000000080)={0x1, 0x8, [@random="12fca260e7ac", @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xb}, @random="4134ae57e362", @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}, @empty, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}, @random="e2bb709e158b"]}) 2018/05/07 00:19:20 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd00000000000000]}}, 0x1c) shutdown(r0, 0x1) [ 594.119704] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 594.142085] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:20 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:20 executing program 7: mknod(&(0x7f000086c000)='./file0\x00', 0x0, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000d19fee)='/dev/input/event#\x00', 0x0, 0x2) write$evdev(r0, &(0x7f0000057fa0)=[{}, {}], 0xfffffd24) r1 = inotify_init() fcntl$notify(r1, 0x0, 0x282) open(&(0x7f000055f000)='./file0\x00', 0x0, 0x0) 2018/05/07 00:19:20 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe00000000000000]}}, 0x1c) 2018/05/07 00:19:20 executing program 3: r0 = semget$private(0x0, 0x102, 0xfffffffffffffff) semtimedop(r0, &(0x7f0000000000)=[{0x0, 0x2}, {}], 0x2, &(0x7f00000000c0)) [ 594.275922] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:20 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:20 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x6000000]}}, 0x1c) 2018/05/07 00:19:21 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = dup2(r0, r0) bind$inet(r1, &(0x7f0000002f00)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000040)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8}) 2018/05/07 00:19:21 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000184000)=ANY=[@ANYBLOB="020f00000e00000000000000dddbdf2508006f7b7e25f1bd24cc00000000000006000000000000000000008e5c68f600e000000100000000000000000000000000000000000000010017004e210000030005000000000002000000ac14ffbb0000000000000000000000000000000000"], 0x70}, 0x1}, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000140)='/dev/cuse\x00', 0x8001, 0x0) ioctl$SG_GET_COMMAND_Q(r1, 0x2270, &(0x7f0000000180)) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x8b0, 0x4) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0x482, &(0x7f0000000080)=""/92, &(0x7f0000000100)=0x5c) recvmmsg(r0, &(0x7f00000060c0)=[{{&(0x7f0000000a80)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @local}}}, 0x80, &(0x7f0000000d40), 0x0, &(0x7f0000000d80)=""/185, 0xb9}}], 0x1, 0x0, &(0x7f0000006180)) 2018/05/07 00:19:21 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xc00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1b00]}}, 0x1c) shutdown(r0, 0x1) [ 595.022139] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 595.057575] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 595.400462] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x32000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:22 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x14]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 3: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000140)={&(0x7f0000000040)='./file0\x00', 0x0, 0x18}, 0x10) bpf$BPF_PROG_DETACH(0x9, &(0x7f00000001c0)={0x0, r0, 0xf, 0x3}, 0x14) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = creat(&(0x7f00000000c0)='./file0\x00', 0x80) ioctl$KDGKBMETA(r3, 0x4b62, &(0x7f0000000100)) socket$pppoe(0x18, 0x1, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20000, 0x98) connect$unix(r5, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e) ioctl$KVM_SET_MSRS(r4, 0x4008ae89, &(0x7f0000000080)=ANY=[@ANYBLOB="01000000000000008b000000000000000000070000000000"]) 2018/05/07 00:19:22 executing program 2: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x4000, 0x0) fchdir(r0) futimesat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) r1 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCETHTOOL(r1, 0x89f3, &(0x7f0000000100)={'gre0\x00', &(0x7f00000000c0)}) 2018/05/07 00:19:22 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x14080, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f00000001c0)={{0x80, 0x6}, 'port0\x00', 0x40, 0x20000, 0x5, 0x6, 0xb0e5, 0x7, 0x9, 0x0, 0x4, 0x1}) write$binfmt_misc(0xffffffffffffffff, &(0x7f0000000140)=ANY=[@ANYBLOB="73797a30a58ce53bdcb162dbad14702625d154868a21324900000000000000001065c795a6fb9df28c28679f3e238c62f33afbed084490d44b1298934eeb80adfcca7bfbd1ab6137cab9883288ac5b8ad7e3df4ca152fd2fef7d887728fde6ef4c2cbe8db73ce795ee89"], 0x6a) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x800, 0x0) r1 = socket(0x10, 0x3, 0x0) ioctl$sock_ifreq(r1, 0x2000000089f1, &(0x7f0000000080)={'sit0\x00\x00\x00\x00\x008\n\x00', @ifru_data=&(0x7f0000000180)="adf985b8d39b968aa06e6dd52a129c452bddaf7c073a95c48fa9ec914bfd6758"}) 2018/05/07 00:19:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1ef4]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 7: r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x101000, 0x0) ioctl$GIO_FONTX(r0, 0x4b6b, &(0x7f0000000140)=""/119) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu\x00', 0x200002, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x200010, 0x0, 0x6}) syz_kvm_setup_cpu$x86(r3, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000240)={{&(0x7f0000000040)=""/38, 0x26}, &(0x7f0000000080), 0x3a}, 0x20) chroot(&(0x7f0000000140)='./file0\x00') r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000280)='/dev/ppp\x00', 0x0, 0x0) openat(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x0, 0x0) ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000000000007"]) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) getsockopt$ax25_int(r0, 0x101, 0xf, &(0x7f00000000c0), &(0x7f00000001c0)=0x4) creat(&(0x7f0000000200)='./file0\x00', 0x11) write(r4, &(0x7f00000002c0)="56db11b8dc6986e5ce19130419bf9e5b2b107aa2d574c2969c59ab90da96550c389cf79f6ef4a6e609d1a8a01fa99088df79280e995b39491a1b99e42ec8", 0x3e) mkdirat$cgroup(r1, &(0x7f0000000100)="0acb6e4d0d", 0x0) ioctl$EVIOCSABS3F(r0, 0x401845ff, &(0x7f0000000040)={0x5976, 0xff, 0x7f, 0x7ff, 0x7fffffff, 0xfff}) 2018/05/07 00:19:22 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x3000000]}}, 0x1c) 2018/05/07 00:19:22 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1000000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 1: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='environ\x00') preadv(r1, &(0x7f0000001580)=[{&(0x7f0000000100)=""/152, 0x98}, {&(0x7f0000000280)=""/231, 0xe7}, {&(0x7f0000000380)=""/4096, 0xfffffffffffffeb0}, {&(0x7f00000016c0)=""/151, 0xfffffffffffffeeb}, {&(0x7f0000001440)=""/124, 0x7c}, {&(0x7f0000001600)=""/171, 0xab}], 0x6, 0x800000000000000) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000000)=0x0) r3 = getpid() kcmp$KCMP_EPOLL_TFD(r2, r3, 0x7, r0, &(0x7f0000000040)={r1, r0, 0xfffffffffffffff8}) 2018/05/07 00:19:22 executing program 2: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) r1 = dup(r0) sendto$inet(r1, &(0x7f00000000c0)="8822c6", 0xfffffffffffffff8, 0x5, &(0x7f0000000100)={0x2, 0x4e24, @multicast2=0xe0000002}, 0x10) shutdown(r0, 0x1) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000001c0)={0x0, @in={{0x2}}}, &(0x7f0000000280)=0x90) 2018/05/07 00:19:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x240]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 3: clone(0x200, &(0x7f0000000040), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) mknod(&(0x7f0000f80000)='./file0\x00', 0x11040, 0x0) execve(&(0x7f0000000180)='./file0\x00', &(0x7f0000000240), &(0x7f0000000240)) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='io\x00') read(r0, &(0x7f00000001c0)=""/57, 0x39) lseek(r0, 0x0, 0x0) ioctl$sock_ipx_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000040)={'syzkaller1\x00', {0x4, 0x1, 0x2, "77e6926a1229", 0x3f}}) open$dir(&(0x7f0000000080)='./file0\x00', 0x27e, 0x0) 2018/05/07 00:19:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 596.148293] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 596.161508] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:22 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x7000000]}}, 0x1c) 2018/05/07 00:19:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1b]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x33]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:22 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x8, 0x40) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000100)=@nat={'nat\x00', 0x19, 0x1, 0x168, [0x20000300, 0x0, 0x0, 0x20000330, 0x20000360], 0x0, &(0x7f00000000c0), &(0x7f0000000300)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x19, 0x0, 0x0, 'teql0\x00', 'syzkaller0\x00', 'ip6gretap0\x00', 'team_slave_1\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x70, 0x70, 0xa8}}, @snat={'snat\x00', 0x10, {{@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, 0xffffffffffffffff}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff}]}, 0x1e0) r1 = socket$packet(0x11, 0x2, 0x300) sendto$inet6(r1, &(0x7f0000000180), 0x0, 0x0, &(0x7f0000000000)={0xa, 0x0, 0xd, @loopback={0x0, 0x1}}, 0x1c) [ 596.292382] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xd]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:22 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x2000000]}}, 0x1c) 2018/05/07 00:19:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xc851010000000000]}}, 0x1c) shutdown(r0, 0x1) [ 596.510577] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 596.554571] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:23 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000500)='/dev/vcs\x00', 0x0, 0x0) ioctl$VT_OPENQRY(0xffffffffffffffff, 0x5600, &(0x7f0000000540)) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000600)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0x0) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000440)='/dev/cuse\x00', 0x10000, 0x0) fchdir(0xffffffffffffffff) mkdir(&(0x7f0000efa000)='./file0\x00', 0x0) r3 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_IRQCHIP(r3, 0x8208ae63, &(0x7f0000000000)=@pic={0x1}) accept(r0, &(0x7f0000000100), &(0x7f0000000180)=0x80) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000280)={0x6}) semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000040)=""/37) execveat(r2, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000340)=[&(0x7f0000000200)='/dev/loop-control\x00', &(0x7f0000000240)='/dev/loop-control\x00', &(0x7f00000002c0)='/dev/cuse\x00', &(0x7f0000000300)='ppp1/\x00'], &(0x7f0000000680)=[&(0x7f0000000380)='+wlan1\x00', &(0x7f00000003c0)='/dev/loop-control\x00', &(0x7f0000000400)='.\'system\\system.]\x00', &(0x7f0000000480)='\x00', &(0x7f00000004c0)='-\x00', &(0x7f0000000580)='/dev/cuse\x00', &(0x7f00000005c0)='\x00', &(0x7f0000000640)='[))cgroupselinux(\x00'], 0x1100) 2018/05/07 00:19:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x7a0f0000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:23 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xc000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:23 executing program 2: migrate_pages(0x0, 0x2, &(0x7f0000000000)=0xfff, &(0x7f0000000040)=0x7e31) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x200000, 0x0) finit_module(r0, &(0x7f00000001c0)='/dev/snd/pcmC#D#p\x00', 0x1) r1 = syz_open_dev$sndpcmp(&(0x7f0000000180)='/dev/snd/pcmC#D#p\x00', 0x2, 0x40000) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0xc) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f0000000140)=r2) ioctl$EVIOCSREP(r0, 0x40084503, &(0x7f0000000080)=[0x8, 0x5]) 2018/05/07 00:19:23 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:23 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f000000a000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000000)={0x1, 0x0, 0x400000000000, 0x0, [], [], [], 0x0, 0x0, 0xc7, 0xfeffffffffffffff, "e25ffeb925fca50b3e2355035c247d84"}) 2018/05/07 00:19:23 executing program 1: r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x98c, 0x2841) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x200000, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r2, 0x4068aea3, &(0x7f0000000040)={0x79}) mq_notify(r0, &(0x7f0000000140)={0x0, 0x27, 0x1, @thr={&(0x7f00000000c0)="f21b3f2eeae2186d210b047518ca4da03e3cd3553b6d41916ab08b746ead14393558d591a8cae2149cd58efce468cbaa2b7ed8dfa07b453e08ab2c6ce50d5d0104868ef091817dff7e7b1a4eb47e89481e06e92c756d43437a6597700c89a03309dde89eedee9df07458aac5365ba30ce6356dffe93981b7f849d57f01fa", &(0x7f00000001c0)="580258b38a283a45b05c1acbff7fc6ffb8596bb88b4233c041f33cc64f7fd0b01751076b6470d903ba75a4f36a72807ddb4f352f0745ea4df76a1c8786cbf90900ada7071dcfe08e03f9c86ce7f12b8f8594c18b136ce1b7adb9275748cf682204b438145e2a7db2b87c0601103f402cc5309b831e38bc93bed5f5015d3906ecf1c04dad2f4f145eee952ae0190b01f14c8297335bb2b9017160baf41f9a8f53ee3b3246877231e1e0e0af86682fd22b8504626b49c44a38d348f1f444ed72"}}) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000340)={0x1000, &(0x7f0000000300), 0x2, r0}) getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000280)=0x66e8, &(0x7f00000002c0)=0x2) ioctl$KVM_SET_GSI_ROUTING(r2, 0x4008ae6a, &(0x7f00000001c0)=ANY=[]) 2018/05/07 00:19:23 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x8000000]}}, 0x1c) [ 597.390617] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 597.414357] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:23 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000000100)={0x0, 0x0}, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000001480)) dup3(r3, r2, 0x0) r4 = syz_open_dev$sg(&(0x7f0000000240)='/dev/sg#\x00', 0x0, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x400, 0x0) syz_kvm_setup_cpu$x86(r4, r2, &(0x7f0000fe6000/0x18000)=nil, &(0x7f00000001c0)=[@text32={0x20, &(0x7f0000000140)="b9ad0200000f32b8fa7f00000f23c80f21f8350400d0000f23f866b80f000f00d066b8ce000f00d02e360fc76d6e66b836008ed00f01980300000002b8fa6000000f07b99c0b00000f32", 0x4a}], 0x1, 0x0, &(0x7f0000000200), 0x0) 2018/05/07 00:19:24 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000c33f70)={0x1, {{0x2, 0x0, @multicast2=0xe0000002}}}, 0x90) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000600), &(0x7f0000000640)=0x31) sysinfo(&(0x7f0000000940)=""/201) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000680)={0x0, 0x8}, 0x8) ioctl$sock_inet_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000140)={0x0, {0x2, 0x4e22}, {0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x0, @broadcast=0xffffffff}, 0xc1, 0x0, 0x8, 0x33b9, 0x200, 0x0, 0x0, 0xffffffff00000000, 0x100000000}) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000a40)=ANY=[@ANYRES32=0x0], &(0x7f0000000280)=0x1) ioctl$DRM_IOCTL_AGP_ACQUIRE(r0, 0x6430) setsockopt$ipx_IPX_TYPE(0xffffffffffffffff, 0x100, 0x1, &(0x7f00000003c0)=0x6dd74ce8, 0x4) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f0000000200)={0x0, {0x2, 0x0, @broadcast=0xffffffff}, {0x2}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x0, 0x7, 0x8, 0xfff, 0x0, &(0x7f00000000c0)='sit0\x00', 0x3ff, 0x0, 0xd4d}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f00000002c0)={0x0, @in={{0x2, 0x0, @multicast1=0xe0000001}}, 0x0, 0x2}, 0x90) setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000acf000)={0x1, {{0x2, 0x0, @multicast1=0xe0000014}}}, 0x90) setsockopt$inet_group_source_req(r2, 0x0, 0x2f, &(0x7f0000000480)={0x7, {{0x2, 0x0, @multicast1=0xe0000001}}, {{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x104) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x3ff}, &(0x7f0000000080)=0x14) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000a80)=0x412, 0x4) setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000998f70)={0x100000001, {{0x2, 0x0, @multicast1=0xe0000001}}}, 0x90) getpeername(r0, &(0x7f0000000400)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @rand_addr}}}}, &(0x7f0000000380)=0x2dc) setsockopt$inet_MCAST_MSFILTER(0xffffffffffffffff, 0x0, 0x30, &(0x7f0000001300)=ANY=[@ANYBLOB="ff0300000000000002004e214d8ca47700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000be63d41ca35b49c88efa79835eed0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000600000002000000ac14141900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e21ac1414aa00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e22e0000001000000000000000000000000000000ff9e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e207f00000100000000000000000000000000130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000001fa84901ca6c8c48000000000000000000000000000002004e24ac14141600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002004e20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000924a800bf29bce8ae2506c7468021cdd2c729e0e267bad44ec56159c5862be038cea0fb27099b29392d8896c926d79e9ac240db573a6b6cfe4866773e3fadf16f83337a15541188b3e4f9d77e60a17b3fb5af29b2dc8bafe557699db5bbd02460019fe120642b9bc2a2552ebaf1db55ac827e1e17ed4d9a76f9cafcde8a4f5ee4802d979b4ae6229a0a5eb637738e11aab2df0f90bf668917a41dc8b2202523da208aa76dfe7cd19e1fbc8179444a3f885200ff020439b7dc365b650c608e0b897d71e8a55e8ecc13cdf94e1936da6edf9605efd0e14402a604ffe6797934ee40b0746cde0125897a19686d7b98bf97db15a56c8568618f3f72faf6ccc34eb6e5089dae494fb580894dc05395280f1172e496e028faa7b41157813da02b5482621f0acff35685557fe1deb24da551aaaae8942d6659fc2cdfab9a9ebaf8ab48319367ec7a55ed5b8c23ac1ca28172c8e58ebee2e2c39fd9537170237079ddf3c3b2fe687d8c04fc201793be2fd3ffde5c5bf54f89e5d7d7ce14a87158436933a31c5b468f993bff56f0000ac9c51f6f0c8c7cf7dc0700243321fe836223e7d39d86bcbdeb6470cb35b7a0b42bb7b1867315af1174cca7032c7c1fb5ad6557"], 0x1) getsockopt$inet_int(r4, 0x0, 0x32, &(0x7f00000001c0), &(0x7f0000000700)=0xfffffffffffffcc6) setsockopt$inet_MCAST_LEAVE_GROUP(r2, 0x0, 0x2d, &(0x7f0000000c40)={0xffffffffffffffb1, {{0x2, 0x4e21, @rand_addr=0x3f36245f}}}, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r4, 0x84, 0x70, &(0x7f0000000740)={r3, @in={{0x2, 0x4e22, @broadcast=0xffffffff}}, [0x81, 0x1, 0x327, 0x7, 0x1, 0x20, 0x2, 0x0, 0x0, 0xfffffffffffffbff, 0x3f, 0x0, 0x0, 0x0, 0x3d15]}, &(0x7f0000000840)=0x100) r5 = socket$inet_tcp(0x2, 0x1, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000ac0)='/dev/ptmx\x00', 0x40, 0x0) setsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000683ff4)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) getsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x11, &(0x7f00000005c0), &(0x7f00000006c0)=0x4) setsockopt$inet_group_source_req(r5, 0x0, 0x2f, &(0x7f0000000000)={0x1, {{0x2, 0x0, @multicast2=0xe0000002}}, {{0x2}}}, 0x108) recvfrom$ipx(0xffffffffffffffff, &(0x7f0000000880)=""/171, 0xab, 0x2, 0x0, 0x0) close(r1) 2018/05/07 00:19:24 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 597.437247] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:24 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net\x00') getdents(r0, &(0x7f0000000200)=""/30, 0x1e) getdents(r0, &(0x7f0000000080), 0x3b9) fsync(r0) 2018/05/07 00:19:24 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfc000000]}}, 0x1c) [ 597.689413] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:24 executing program 7: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x200000, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvfrom(r0, &(0x7f0000000080)=""/136, 0x88, 0x3, 0x0, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000300)='/dev/qat_adf_ctl\x00', 0x0, 0x0) 2018/05/07 00:19:24 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3200]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:24 executing program 3: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x82000, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x8) mq_timedreceive(r0, &(0x7f0000000480)=""/45, 0x2d, 0x2, &(0x7f00000004c0)={0x0, 0x1c9c380}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000100)="9eb1075692d01278a6d46e5b0bbd46f122cd3a5389af501da8ce383231895e34f8f0519ce34531ee60566ec2c991ce1336675c2291bc5c64be481a930144f4fd96d694626a3556ee1b5a180611bb576b389a3ea4e38a602c65d2ae6d4183f1160b994f0cd48033513d2f71e2f4c9c2bcf56029448b26bbce957b6684a5b9c66821582f03f250426a086aea1310470920a4cb4b9a543ffdbf79b0123e15f98109dca2d252d43de59996c8c36cd8903db72f01699be5d337bf425368e2133bdbc033625790e866a42765af30d8b2ad3d8e2ffc5dc05b01b1f8989bd664ea8da9ba74f89182aa49", 0xe6}, {&(0x7f0000000200)="cc9088144a5383d2a60fd0c3e182b05a77912357eb00fe296c24f5c91cfcc588b852f75aefa1250d824afe10c9f4a0c7dca7569797d27493dffe92d045db7d25a5c4a9a3eb387e8d51d6b0d4e90e14b0f4b2b7d4e97c7100dc07da810c35ba88b00719c29d350f1b8f2d47fe66d8de5128a4d2ff997bce806c6129243de1c729f8d432e0874827977f4636ddf67a631af7", 0x91}], 0x2) r1 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x7f, 0x0) ioctl$EVIOCGABS0(r1, 0x80184540, &(0x7f0000001100)=""/4096) r2 = syz_open_dev$sndctrl(&(0x7f000090cfed)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r2, 0xc0405519, &(0x7f0000000080)={0xf208, 0x3, 0x7, 0x3, "6a9be5d2ed6417a529ac05dff3c9fb18be6e70e3bbaf22944f9f6c753b88a3b3161acc0317277cf3edff2fc7", 0xf3a}) perf_event_open(&(0x7f0000001000)={0x0, 0x70, 0x0, 0x0, 0x20, 0x0, 0x0, 0x8ce, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x77, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000005000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r2, 0xc1105511, &(0x7f0000001000)=""/250) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000300)={0x0, @in6={{0xa, 0x4e21, 0xfffffffffffffff7, @loopback={0x0, 0x1}, 0xd6}}}, &(0x7f00000003c0)=0x84) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000400)={r3, 0x4, 0x10}, &(0x7f0000000440)=0xc) 2018/05/07 00:19:24 executing program 1: r0 = socket$kcm(0x29, 0x5, 0x0) mmap(&(0x7f0000000000/0xfea000)=nil, 0xfea000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/mixer\x00', 0x200, 0x0) openat(r1, &(0x7f0000000280)='./file0\x00', 0x0, 0x20) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000180)='hybla\x00', 0x6) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040), &(0x7f0000000080)=0x4) fcntl$setsig(r0, 0xa, 0x33) r2 = fcntl$getown(r1, 0x9) r3 = getuid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xc) setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={r2, r3, r4}, 0xc) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f000031aff8)) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x30a00, 0x0) ioctl$TIOCMBIC(r5, 0x5417, &(0x7f0000000100)=0x7f) ioctl$IOC_PR_PREEMPT_ABORT(r0, 0x401870cc, &(0x7f0000000000)={0x0, 0x200, 0x7, 0x6}) 2018/05/07 00:19:24 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1bbf453b00000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:24 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) gettid() gettid() socket$l2tp(0x18, 0x1, 0x1) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000040)) fcntl$getownex(r0, 0x10, &(0x7f0000000080)) r1 = getpid() r2 = getpgid(r1) r3 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, r2, 0x0, 0xffffffffffffffff, 0x0) close(r3) r4 = fcntl$dupfd(r0, 0x406, r3) ioctl$TIOCGSID(r4, 0x5429, &(0x7f00000000c0)) r5 = msgget$private(0x0, 0x80) msgrcv(r5, &(0x7f0000000100)={0x0, ""/68}, 0x4c, 0x0, 0x1000) 2018/05/07 00:19:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x500]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:24 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfe80]}}, 0x1c) [ 598.262841] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:24 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x24000, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) 2018/05/07 00:19:24 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 598.314389] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000004fee)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) ioctl(r1, 0x4148, &(0x7f0000001f64)) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000100)={'eql\x00', 0x6}) bind$alg(r0, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(ctr(aes-aesni),ghash-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820faeb995298992ea54c7beef9f5d56534c90c2", 0x18) r2 = accept$alg(r0, 0x0, 0x0) recvfrom(0xffffffffffffffff, &(0x7f000069cfc1)=""/63, 0x3f, 0x0, &(0x7f0000098000)=@ipx={0x4, 0x0, 0x0, "e262589dfba5"}, 0x10) sendmmsg(r2, &(0x7f0000004100)=[{{&(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}}, 0x80, &(0x7f0000000480)}}, {{0x0, 0x0, &(0x7f0000000540), 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB="10000000000000000801000000000000"], 0x10}}], 0x2, 0x0) 2018/05/07 00:19:24 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xa000000]}}, 0x1c) [ 598.439642] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:25 executing program 1: open(&(0x7f0000fe0ff8)='./file0\x00', 0x80040, 0x0) r0 = open(&(0x7f00009f7ff8)='./file0\x00', 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000540)=[{&(0x7f0000000040)="9086dd887bcdf7daa6e6d93ea0f3c20d8c694e9f4cec4db2c1fedc971c3c64c4cf2aa4fc9c6671a3f7843b80e3cc64a03e6c9272f89c89ebf92b3e13cf529e07ed1f952c1f856a6fe550f4577bb29266e2dc9b1f030f62b569a9d98a88f7075297adc3a2c614a54e5dbcf6e5697f265cb802dbc2cb1245508a3e949ea3a8cb208a5d7501db4d5303e51329babd12ec3f422c7af1d6b18a", 0x97}, {&(0x7f0000000100)="ef87b87407a15210fe2146cf60e6015c33dfe0368cfa77c73e", 0x19}, {&(0x7f0000000140)="26b903b482df945a1095e9b95f14f7fe52f92b2812a25965b6264967c0c9ae7a7ee767592ee0b75ce6c5b9e385244a11f9322e3bd9f96100417bee991d0d56c929021bd372ece3eabeecf573e55b4a66b37e45628cacd12536a1b8a5ffb38a92c18f2c2157589f5545a104024eb82f7f3bcf0a866e55bdb28c1d9a9ecabb1b64494996c0b85672d1abc4e66fa230b8140a2bf83ba5fb9c9fcec3713897410ed15f660ddca1c631d406021bc1380d62a0816e5827ffa17c227c7d3bf5c40e13326554f8dd994eb01e24ebc614fc0fbb48", 0xd0}, {&(0x7f0000000240)="f4036d93087124e0484b777aaaa630ddf1128d8c0366dd76e090a60959f9acc1381f3ecee982dc5dd3a4ea34ed564ba37863ef966ff22185e6fb4e047b9085f5c742caa568ef70b296ff105a0518dce89cfbd667c8fc456dc841d9d5b6c1179263666c8ea9f9c8dd32ac1e9687ac0ec20daa22705a6ef8be896eafebda5d42b44ab5b76fe2add4f7850ab38b428c06995c277afd26311f1e92d03c282a0795aae5081e3e9a70a4b6a7ab71107c32a631bdb6ef0479b1195a419df4e63d17624ddcf5a1a84cf2e02c7eb1357321ab4600d6ed5f110a", 0xd5}, {&(0x7f0000000340)="a35a02bf74c9899f5640b3c37a05", 0xe}, {&(0x7f0000000380)="c910a72a87adae8dce201a25db38985ee0410a1f690ab099d6f7f062d5ce93eb898c05808e82b3e4eac0ee2eaca6d8c3c3e7366b0da6ca2b9a4cd66282e37f1870dcc26c41285c080f77a1c817597279e4b06b51aed7b46af0f1d61fe57bd97148e19efe29c647a3cb4652805e430c973bd2205d855ce0652feb810fff21850e32ac0a6d53c78c72a2947d55f4471d00693043ab3fdd570cf5c369dd025090faf33650ad1ebc00164669cd954ccaf242beb1e51eaa8a948632c16fcad463dd576886529aeaa3a8ef", 0xc8}, {&(0x7f0000000480)="13e8d59b", 0x4}, {&(0x7f00000004c0)="5e992dd0bc227664d46c96b05004bb2d08f35eaa4ab0661a7e214ee285930adfd5a0640c7fdad5298b63629a30374088c6485ab54a07", 0x36}, {&(0x7f0000000500)="cb77970c62d04a73cdcb5e5f5a06e87d98548f6fe28ec5b6f9", 0x19}], 0x9, 0x9) fcntl$setlease(r0, 0x400, 0x0) rename(&(0x7f0000fdbff8)='./file0\x00', &(0x7f0000887ff8)='./file1\x00') link(&(0x7f0000b71ff8)='./file1\x00', &(0x7f0000f16000)='./file0\x00') 2018/05/07 00:19:25 executing program 7: socketpair$unix(0x1, 0xffffffffffffffff, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) syz_open_procfs(0x0, &(0x7f0000000000)="2f657865000000000000b8608bbe9f61cf5aafac4abd52925af520fd9cb4ae54ebdc756ff7b47567510de0af4f86afd61024ff2149147384aafbe9c1fd9fc828cf9b6232c202fd6627cf5e6e12faf8c4051eed49154432098dcd570dd0505042aaabaafdf50756667a0e215ba6bea09f78914dcf1bb72666109e495ef1ab3a052cf6941b160031c35e3e651d2dc5377e6091a948662e7e0fcc21f5") 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 = socket$packet(0x11, 0x2, 0x300) accept4$unix(r0, 0x0, &(0x7f0000000180)=0xff37, 0x800) setsockopt$sock_timeval(r1, 0x1, 0x14, &(0x7f00000000c0)={0x0, 0x7530}, 0x10) socket$packet(0x11, 0x2, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000000)={'bridge_slave_0\x00'}) 2018/05/07 00:19:25 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:25 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xaaaa0000]}}, 0x1c) 2018/05/07 00:19:25 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f000000a000)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000496fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f0000000040)='nfs4\x00', 0xae680cdff07916d3) fcntl$getownex(r0, 0x10, &(0x7f00000000c0)={0x0, 0x0}) r3 = gettid() r4 = getuid() ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f00000003c0)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000400)={{{@in6=@mcast2, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@dev}}, &(0x7f0000000500)=0xe8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000004680)={{{@in=@multicast1, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@multicast1}}, &(0x7f0000004780)=0xe8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000047c0)={{{@in=@remote, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}}}, &(0x7f00000048c0)=0xe8) r9 = gettid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000004b40)={{{@in=@rand_addr, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in=@broadcast}}, &(0x7f0000004c40)=0xe8) lstat(&(0x7f0000004c80)='./file0\x00', &(0x7f0000004cc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r12 = fcntl$getown(r0, 0x9) fstat(r0, &(0x7f0000004d40)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000004dc0)='./file0\x00', &(0x7f0000004e00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000004e80)={0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000004ec0)={0x0, 0x0}, &(0x7f0000004f00)=0xc) stat(&(0x7f0000004f40)='./file0\x00', &(0x7f0000004f80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(r1, &(0x7f0000005080)={&(0x7f0000000080)=@kern={0x10, 0x0, 0x0, 0xc000002}, 0xc, &(0x7f0000004ac0)=[{&(0x7f0000000100)={0x13c, 0x1e, 0x400, 0x70bd29, 0x25dfdbfe, "", [@generic="adcc9783d9cf7850852696ffdebce06df04ea7b5b3d48dfe6ff830", @nested={0xc4, 0x25, [@typed={0x8, 0x11, @u32=0x1}, @typed={0x8, 0x48, @fd=r0}, @typed={0x8, 0x85, @binary="c1b3"}, @generic="f76811fba742fb437cc580d698635bd9ac297ac33d657fd18bfa115c32f41e7fb33d752f15ee3e058248f773b1c391276e91898ee96b82219100b8bfe22e19104f9c56fdbcee1c93815e492503f96089dd53080bcbb7c641b7e9a959ab92200b4983ede75572a0589acda8a6a3f78b56bc1da11c171c2f1fa1ab0cb0d7b04134b8bbb24bd43a92c099eec1f154be68708f7839dd3cd197ab8aa45e78e3", @typed={0x8, 0x0, @pid=r2}]}, @nested={0x4c, 0x76, [@typed={0xc, 0xc, @u64=0xad1}, @typed={0x8, 0x6, @fd=r0}, @generic="734defe077fa8e52b3a434a1d4f29ce773cef639a6cc2936d85d76283a121434f8377665fe263393d3b26fed5616635721"]}]}, 0x13c}, {&(0x7f0000000240)={0x160, 0x1e, 0x8, 0x70bd28, 0x25dfdbfc, "", [@generic="c8065e2b5498c24fa8fb75994f0d5a5af320f182ec97ef9438d0c2f2eaeff291cd6498c1e77813c5cadf0bfeba5b8756b22b92dad36f6306128b85d53b916e401fc3df6e06475094bebba27afc1569c2943ee9efd145c06319e2e5b4", @typed={0xd8, 0x7c, @binary="ef978095d2d51bcd67b00bff780a3f9f86c2f892674dd22bb5446f49b928d58282e376aa6bfbdd3c40bdc4e257bfadb9af4b3876683029f5b3404fc9b36846c210ea01a857018e9e35b8b7458a92d138d167bdb9780b7a76cf3bc2e1a5d31c566493dbc57465675e11ac11faf7aa1e78a6adb33a0d0afe559aaaa0d2e14bb7e46bfef4627f05ed867960bf4719a87a7f5715fd16e027e00fbd1ff40e5cfca1ff74f9a54770719a1567b67eef6f229cbac05a12a056e324cc2758333d2258567f111ddc3d308b32db58e3d6d0254c2629160b2ddb"}, @typed={0x8, 0x90, @fd=r0}, @generic="308d4ec33aba63fa3b3120126325c7", @typed={0x4, 0x43}]}, 0x160}, {&(0x7f0000000540)={0x2838, 0x22, 0x100, 0x70bd29, 0x25dfdbfd, "", [@typed={0x8, 0x64, @pid=r3}, 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@nested={0x116c, 0x8a, [@typed={0xc, 0x23, @u64=0xfff}, @typed={0x10, 0x12, @str='vboxnet0&\x00'}, @generic="f14e7155b3ef902d9cd9399534aa276eda0bed99e34e8b470bc010d9a3852db2df0bca69bede82d0c0dfb9ee1152e10514681ff508db20bada656f51741e2b5bb5fe48dd0a40a09520acaf651f21aa860d92f970de40a6569cae156c04bf0a3f7511fb3f390bc03c9b18da6c5a5f27127abe79b082d7836710d018f5b0eb310588fcf221e9fff158a6567bf080f13e21bb229258f9925dacb25ba087d81255b41b5522d8c8d5fd2764c5406baf3ac69a4ad73c048f03c4340facb7466b572b0e24325ad93a9fd65b131594", @generic="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@typed={0xc, 0x1f, @str='nfs4\x00'}, @generic="cafa88c087f9a7162a66326eaed63901350b7045e52af125ffd6abcff8a33812e92cb9835e46473bf2211342fb7bd0b030b787c1293beb54778ad5f567fd3ca35aea1d7d2bac7b260e40bb43229cbcf5c3fcf2088f6a772e8610a9fc7cf5e5395d24e25fd687106ab02a057a89753dfd45e5d4"]}, @nested={0x4, 0x5f}, @generic="53fbca7324963862", @typed={0x8, 0x54, @u32=0x8}, @typed={0xd8, 0x12, @binary="e41cc05b9b767b0e165b4fbc8a09072dfef8a8a26e0a3fd683f9077403a6fc0f3ad5838d260de3570238e01d2a3cf58d0569bda62981abc3ad5d6dfb12a0c2dddf88d617bc09ab9cdd0e3d3f4b2667b752c0deffd766d64b2291fd23a34c55d25cf7657a427ab8bbee0925b759258d7393586aa4b076c7d08c5a1adfa57d0d0a447aba92ace134b267b37e5da2bb82c8ff48d29271fd7e1a42aa46b07647c7f1dc5c2ea53a00e874fe85daf24a22788be37807c76d1e1c9fd79c609928b8cc46f5915b0bbf728b89482c2f226207b807fe"}]}, 0x1270}, {&(0x7f0000004900)={0x1c0, 0x2a, 0x10, 0x70bd28, 0x25dfdbff, "", [@nested={0x78, 0x83, [@typed={0x8, 0x4e, @uid=r7}, @generic="93c3bc9b4fcbcc538d45e7a20c1cff1277ad7c29b3ab36e9500747e1a8da5301703574b68d65ad61dece659ac2c33f9f1b22621640a07c6ec4c5a71d554505dc12645c48f16e072379bc2f131b1f8b89a30478ddb917c838088a4699327456f763fbd9116e370afb7b667356"]}, @nested={0xc, 0x62, [@typed={0x8, 0x53, @uid=r8}]}, @nested={0x48, 0x37, [@typed={0x3c, 0x5e, @binary="9ec8336965b5d5b6379642856b398ec0143446060a0a0f6f62b9025166d64035b1978a60f4fc28c69b19a133b8c0b568c4161c539922"}, @typed={0x8, 0x72, @u32=0x3e5}]}, @generic="7bf576ff584031cd13870e50e663f9a7e5827ae95b4dddba469c9a9e9a21d73dcab8a51b71d7dc3603b84a612c825afc575c818f8644759f03a49517b6a10efa7278896f810089439940662ecabfb90ff4b015beeb169e279895675242f876d7c12f25b8e367ea1639d50cec9d2427b9889cad1a4bc3569ebc0191bb9cd8716632387e67387c1b61feb44690814c448cc767dfebf5b657c954e0b6058b8cb11c7287f0da81cba090aed134e7bd6491e03f23a18d0897384ebeef0a29cbee3b4ef30fd6308da0ef59b63c8f1c0efa43aa299bf00fe90487e4c1a120e9b08d7d6cfe7d0cf8"]}, 0x1c0}], 0x6, &(0x7f0000005000)=[@rights={0x18, 0x1, 0x1, [r0]}, @cred={0x20, 0x1, 0x2, r9, r10, r11}, @cred={0x20, 0x1, 0x2, r12, r13, r14}, @cred={0x20, 0x1, 0x2, r15, r16, r17}], 0x78, 0x8804}, 0x40) mount(&(0x7f00009f8000)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f00005f7ffb)='nfs4\x00', 0x0, &(0x7f000000a000)) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r1, 0xc008551a, &(0x7f00000050c0)={0x8}) 2018/05/07 00:19:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x30a4]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:25 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5555000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:25 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r0, 0x1, 0x2a, &(0x7f0000016ffc), 0x4) write(r1, &(0x7f0000021000), 0x0) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sha1_mb\x00'}, 0x58) 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, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = accept4(r2, 0x0, &(0x7f0000000000), 0x0) r4 = dup3(r3, r2, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000061c0), 0x0, 0x0, &(0x7f00000062c0)={0x77359400}) sendmsg$nl_xfrm(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10}, 0xc, &(0x7f0000000440)={&(0x7f00000004c0)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) recvmmsg(r0, &(0x7f0000005400)=[{{&(0x7f00000052c0)=@ipx, 0x80, &(0x7f00000053c0)}}], 0x1, 0x0, &(0x7f0000005680)) bind$alg(r3, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'sha384-avx\x00'}, 0x58) [ 599.161809] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 599.172811] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xc8510100]}}, 0x1c) shutdown(r0, 0x1) [ 599.276667] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:26 executing program 2: r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) r1 = mmap$binder(&(0x7f000000d000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x8, 0x602) openat$cgroup_type(r2, &(0x7f0000000080)='cgroup.type\x00', 0x2, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000480)={0x14, 0x0, &(0x7f0000000800)=[@acquire_done={0x40106309, r1}], 0x0, 0x0, &(0x7f00000003c0)}) 2018/05/07 00:19:26 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:26 executing program 3: r0 = syz_open_dev$sndpcmc(&(0x7f0000004fee)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) ioctl(r0, 0xc0884113, &(0x7f0000006000)) ioctl$UFFDIO_COPY(r0, 0xc028aa03, &(0x7f0000000000)={&(0x7f0000c49000/0x4000)=nil, 0x4000}) ioctl(r0, 0x1000, &(0x7f0000000040)="afbb775b207719099d369f6604c560c682ada6a603e23a95f0dae19ca6ef0bcce5ddf930634e0854c0eb5faf297d1f8b72251c8ffcfe0b4a9169c381cfcfe24889ee194ddde44f0749ee35e5b7005aa4d0cf41d905883d9d22e69e49cd214568989c6bbf2a939f6b0dbc41cb6e6725bcefac0b2dca1a0cd8f0207c86c042ceec77f22d5a") 2018/05/07 00:19:26 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x1000000]}}, 0x1c) 2018/05/07 00:19:26 executing program 7: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl\x00', 0x402, 0x0) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000100)={0x0, 0x3}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000180)={r1, 0x8}, 0x8) ioctl$KVM_NMI(r0, 0xae9a) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) r4 = fcntl$getown(r2, 0x9) ioctl$sock_FIOSETOWN(r3, 0x8901, &(0x7f0000000040)=r4) syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='setgroups\x00') 2018/05/07 00:19:26 executing program 1: getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000180), &(0x7f00000001c0)=0x8) r0 = socket$inet6(0xa, 0x2100000000000002, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x3}, 0x1c) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f00000000c0)) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x8000, 0x0) ioctl$EVIOCSKEYCODE_V2(r1, 0x40284504, &(0x7f0000000080)={0x7f, 0x3, 0x8, 0x8, "3115cfcee2a9cb613677424439d5f0b5da747a65e03c0863ce8a24d0039fc438"}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x7fffffff}, 0x1c) 2018/05/07 00:19:26 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xe0930400]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xf5ffffff]}}, 0x1c) shutdown(r0, 0x1) [ 600.245366] binder: 2949:2954 BC_ACQUIRE_DONE u000000002000d000 no match [ 600.247311] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 600.263779] QAT: Invalid ioctl [ 600.271882] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 600.281526] binder: BINDER_SET_CONTEXT_MGR already set 2018/05/07 00:19:26 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x2800000000000000]}}, 0x1c) 2018/05/07 00:19:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-camellia-asm\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00004f0000)={0x0, 0x0, &(0x7f0000e46000), 0x0, &(0x7f0000967000)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) sendto(r1, &(0x7f0000000100)="224b49fd1e310f215feac34bbc176bfc0006f72f9a0f4a6f3f21009562f8c0e3e8f2000000c896d61f3f2d0b9d7bcffc88dbe6b7acdc870f6aee9cc9c4d0021036486bc45228c0dd1e38e4ce49ba4d1ec4373d242e635bdbc45641adf232f7a6f3da8285001a2e70b58306e1793f7abe92abc48367298e347485d520a88c47d7eabbcebd1dd850715284a9fd69bf6bfde5cfb085c385724baacf1a2865d221d2", 0xa0, 0x0, &(0x7f00000002c0)=ANY=[], 0x0) recvmsg(r1, &(0x7f0000d43000)={&(0x7f000076c000)=@hci, 0x3, &(0x7f0000ae0fc0)=[{&(0x7f0000b9ff8b)=""/117, 0xa5}], 0x1, &(0x7f0000837f57)=""/169, 0xa9}, 0x0) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x410000, 0x0) ioctl$SG_GET_LOW_DMA(r2, 0x227a, &(0x7f0000000040)) 2018/05/07 00:19:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xe000000]}}, 0x1c) shutdown(r0, 0x1) [ 600.305554] QAT: Invalid ioctl [ 600.309284] binder: 2949:2954 ioctl 40046207 0 returned -16 2018/05/07 00:19:26 executing program 1: nanosleep(&(0x7f0000000180)={0x77359400}, &(0x7f00000001c0)) nanosleep(&(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000200)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x101, 0x0) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r0, 0x80dc5521, &(0x7f0000000080)=""/48) mlock(&(0x7f00005d6000/0x2000)=nil, 0x2000) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x280000, 0x0) 2018/05/07 00:19:26 executing program 7: sched_setattr(0x0, &(0x7f0000000080), 0x0) pause() mmap(&(0x7f0000000000/0x19000)=nil, 0x19000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000e53fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000007fe0)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x1}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000cd8ff4)) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000007000)={0xffffffffc0000001}) epoll_wait(r3, &(0x7f0000000000)=[{}], 0x1, 0x0) epoll_wait(r3, &(0x7f0000cd8ff4)=[{}], 0x1, 0x4) ioctl$UFFDIO_UNREGISTER(r0, 0xc020aa04, &(0x7f0000007ffc)={&(0x7f0000000000/0x2000)=nil, 0x2000}) 2018/05/07 00:19:26 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000018000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f000000e000)={&(0x7f00000016c0)={0x18, 0x1d, 0xffffffffffffffff, 0x0, 0x0, {0x1}, [@nested={0x4, 0x1}]}, 0x18}, 0x1}, 0x0) 2018/05/07 00:19:26 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 600.396309] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 600.454154] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 600.469672] netlink: 'syz-executor2': attribute type 1 has an invalid length. 2018/05/07 00:19:27 executing program 3: r0 = socket$inet6(0xa, 0x80002, 0x0) mmap(&(0x7f0000000000/0xfd5000)=nil, 0xfd5000, 0x300000c, 0x32, 0xffffffffffffffff, 0x0) r1 = fcntl$dupfd(r0, 0x20000, r0) setsockopt$inet_MCAST_MSFILTER(r1, 0x0, 0x30, &(0x7f0000c08000)=ANY=[@ANYRES16=r1], 0x1) 2018/05/07 00:19:27 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x32, r0, 0x0) futex(&(0x7f0000125000), 0x4, 0x0, &(0x7f0000000080), &(0x7f0000000040), 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x84) 2018/05/07 00:19:28 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:28 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x200000000000000]}}, 0x1c) 2018/05/07 00:19:28 executing program 3: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f00000001c0)={0x18, 0x0, {0x3, @empty, 'syz_tun\x00'}}, 0x1e) mmap(&(0x7f0000000000/0xaa1000)=nil, 0xaa1000, 0x1, 0x32, 0xffffffffffffffff, 0x0) ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f0000000040)={0x18, 0x0, {0x0, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'erspan0\x00'}}) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x200800, 0x0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000080)="a53b21b14a3c1b98dca4eb4c592516710c5529773a969118c80dd0e010c4e768352a99bdb1f74e4103c0692af3a687b24a329f28ee5aca82732f0276d192d24c1efb6f8c436bc025150e8918") 2018/05/07 00:19:28 executing program 2: seccomp(0x1, 0x0, &(0x7f0000000080)={0x2000018b, &(0x7f00000000c0)}) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x0, 0x0) 2018/05/07 00:19:28 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa206]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:28 executing program 1: syz_emit_ethernet(0x66, &(0x7f0000000180)=ANY=[@ANYBLOB="ff3997ffcd00ffffffffffff081845000058000000000088907800000000ffffffff26b34afefe7ae3920420880b0000000300000800000086dd20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c432680264e053f04e0ce16e86b3de60c161565f1a978482df519d35ffd496d6a7d375011b783d6edc8cac193b4e4493e994a71ff79672f3025230a2d624385993c786a6d6832ea257e4e98db4ca8577f3b15a18f636bbaf0723c00585be398432f341037d5b71ed3a67a2661fb392db5c9c7c7d6f78ec7c5c537bdd98b631bff9dd84157a130053305ff264ef29513edd6c316c5611dd85fc608b61922bd416f15741d25727092ca4fbf1927f6fd8b02f943c24568218b3eedd1e5dcfd0c54c8ae9a5b2f0092b405fc9504d0118eb5b78987b2667baf780ecad1b70510c3c2f0991b60ad27677"], 0x0) r0 = dup(0xffffffffffffff9c) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/05/07 00:19:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x5]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:28 executing program 7: syz_emit_ethernet(0x988e518002d8b65, &(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="5000000090780000"], &(0x7f00000002c0)) syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0xca1c, 0x0) 2018/05/07 00:19:28 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 601.765846] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000526000)) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x80000, 0x0) ioctl$KVM_SET_CLOCK(r0, 0x4030ae7b, &(0x7f0000000040)={0x0, 0x8}) mmap(&(0x7f0000734000/0x400000)=nil, 0x400000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 2018/05/07 00:19:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00009f3fa8)={0x26, 'skcipher\x00', 0x0, 0x0, 'salsa20\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x10000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000080)={0x800, 0x200, 0x3, 0x3, 0x0}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000100)={r2, 0xfffffffffffffffb}, &(0x7f0000000140)=0x8) r3 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r3, &(0x7f0000f8dfc8)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000000)=[@assoc={0x18, 0x117, 0x4, 0x8}], 0x18, 0x800}, 0x0) recvmsg(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000200)=""/67, 0x43}], 0x1, &(0x7f0000000340)=""/67, 0x43}, 0x0) 2018/05/07 00:19:28 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xf5ffffff00000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:28 executing program 1: r0 = socket$kcm(0xa, 0x200000005, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x1, 0x200) ioctl$KVM_ASSIGN_PCI_DEVICE(r1, 0x8040ae69, &(0x7f0000000040)={0x5, 0x20, 0x1, 0x6, 0x10000}) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f00000000c0)=@in6={0xa, 0x0, 0x0, @dev={0xfe, 0x44d8}}, 0x81c, &(0x7f0000000000), 0x2c0, &(0x7f0000000040)}, 0x0) ioctl$KVM_SET_LAPIC(r1, 0x4400ae8f, &(0x7f0000000140)={"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"}) 2018/05/07 00:19:28 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 601.912065] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 601.950670] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:28 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfffffdef]}}, 0x1c) 2018/05/07 00:19:28 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000f53fff), 0xfffffffffffffc64, 0x20000802, &(0x7f000006d000)={0x2, 0x4e23}, 0x10) r1 = socket$inet_tcp(0x2, 0x1, 0x0) recvfrom$inet(r1, &(0x7f00000000c0)=""/191, 0xbf, 0x1, &(0x7f0000000040)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000000)={'lo\x00'}) clock_nanosleep(0x0, 0x0, &(0x7f0000000440)={0x77359400}, &(0x7f0000000480)) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='cpuacct.usage_user\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f00000001c0)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000000200)=0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000240)={r3, 0x80, 0x30}, 0xc) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000080)={'lo\x00', 0x101}) shutdown(r0, 0x1) 2018/05/07 00:19:28 executing program 7: r0 = socket$inet(0x11, 0x40000000000803, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x107, 0xf, &(0x7f0000023f88)=@broute={'broute\x00', 0x20, 0x5, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20011000], 0x0, &(0x7f0000675ff0), &(0x7f0000000ca0)=[{0x0, '\x00', 0x1}, {0x0, '\x00', 0x3}, {0x0, '\x00', 0x4}]}, 0x108) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x18}, 0x10) getsockopt$IPT_SO_GET_REVISION_MATCH(r0, 0x0, 0x42, &(0x7f0000000040)={'icmp6\x00'}, &(0x7f0000000080)=0x1e) sendmsg(r0, &(0x7f000087dfc8)={&(0x7f000005e000)=@nfc_llcp={0x27, 0x9, 0x0, 0x0, 0x0, 0x0, "f0aeec0d840130e5c5485e44a7627f9a8864abed4d4460dd5b1a0182c6c84a143e64f31d1c11349c949054860b9c131950a610e2736612827582530c3c1df9"}, 0x60, &(0x7f0000000000)=[{&(0x7f0000000200)="d7fb059c023ba6995de4e1c3663f16f206632f26d15714c1e1ccdb4943b59ca894d3ada3abfdae87efe3e7c77472b9c4e60b43ef4dc543d04834606a38856c48d49557e21d531e87b207f138310559fa596120d9e1d6aa88548627fd1f6ba2900f48fc75f50c641703", 0x69}, {&(0x7f00000003c0)="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", 0xfa}], 0x2}, 0x0) 2018/05/07 00:19:28 executing program 3: pipe2(&(0x7f0000000000), 0x4000) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000001c0)={&(0x7f0000000280)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f0000000800)={0x14, 0x27, 0x1ff307543bf68163, 0x0, 0x0, {0xc}}, 0x14}, 0x1}, 0x0) 2018/05/07 00:19:28 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 602.876876] device lo entered promiscuous mode [ 602.997275] device lo left promiscuous mode 2018/05/07 00:19:29 executing program 1: r0 = socket$inet(0x2, 0x6, 0xfffffffffffffffe) mmap(&(0x7f0000893000/0x1000)=nil, 0x1000, 0x1000001, 0x32, 0xffffffffffffffff, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000e01000)) connect$inet(r0, &(0x7f0000893ff0)={0x2, 0x4e20, @rand_addr}, 0x10) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x87fe, 0x0) 2018/05/07 00:19:29 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4002000000000000]}}, 0x1c) 2018/05/07 00:19:29 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x3}, 0x1c) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = socket$inet(0x2, 0x3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000001ac0)=[@in6={0xa, 0x4e20, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0xf9d8}, @in6={0xa, 0x4e21, 0x1, @local={0xfe, 0x80, [], 0xaa}, 0xf8}], 0x38) bind$inet(r1, &(0x7f0000942000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$sock_int(r1, 0x1, 0x3c, &(0x7f0000d4effc)=0x1, 0x4) r3 = socket$alg(0x26, 0x5, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000200)={0x0, 0x0, 0x3, 0x0, &(0x7f0000ffb000/0x1000)=nil, 0x15b}) bind$alg(r3, &(0x7f0000e33fa8)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(sha1)\x00'}, 0x58) r4 = accept4$llc(0xffffffffffffff9c, &(0x7f0000001280), &(0x7f00000012c0)=0x10, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001940)=0x401, 0x4) accept4$llc(r4, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000001b40)=0x10, 0x800) sendto$inet(r2, &(0x7f00000019c0)="ae98e0ee8585306a110549da697976f7db49da2498f4b433ab78afb1edffbf630db8d477c8ecf0be289928d8b5ba5260b3620cd1f417ed71b0d3cb3d70b219a1067894ea93340a7702aa43a5951b46de618c32b19c8093e15f76c6da5ccd0c77f5dc06d92183b37741cb895b5b4ca2a9f5739e517e7811970c0b6c35dafb3cf78a98e4d1d246dcf3f974bb79ba00aee1f751be51ce83adf7f7e255e7c80d43b5b562f1912a726ba483ccb9484097081a8653faf31fc269a4681f9ae45ceecf90a694c8882af5ec2b554fdc7b298ea19bb0c9c8550e081eb047dce923a8d256a746c6037656f2fd87ae5695c3e6c3b91339dc82c2cb", 0xf5, 0x4000, 0x0, 0x0) r5 = accept(r2, 0x0, &(0x7f0000000180)) connect$inet6(r5, &(0x7f00000002c0)={0xa, 0x4e21, 0xffffffffffffffff, @mcast1={0xff, 0x1, [], 0x1}, 0x640}, 0x1c) recvmsg$kcm(r5, &(0x7f0000001900)={&(0x7f0000001600)=@pptp={0x0, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000001800)=[{&(0x7f0000001680)=""/127, 0x7f}, {&(0x7f0000001700)=""/223, 0xdf}], 0x2, &(0x7f0000001840)=""/184, 0xb8, 0x8001}, 0x0) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f000000a000)="29593829b279bb195743557a6bbf063c241e6c54a3b277f25501d31eb41a519c1f3e0c8acf53c24f28ded2ca3a3f4a2eab391e7731b460c5ca800364713dd1a67ebff3c263a28598b823fc44123ea38befc2ce7fd40ef6ae9cdd4bf3", 0x5c) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000001380)={0x0, @in6={{0xa, 0x4e22, 0x0, @loopback={0x0, 0x1}}}, 0xcd}, &(0x7f0000001440)=0x98) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000040)=@get={0x1, &(0x7f0000000240)=""/90, 0xffff}) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000001480)={0x0, @in6={{0xa, 0x4e23, 0x6, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x9e}}, 0x0, 0x7}, &(0x7f0000001540)=0x90) sendfile(r0, r3, &(0x7f0000000300), 0x20) syz_genetlink_get_family_id$ipvs(&(0x7f0000001340)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r5, &(0x7f0000001c80)={&(0x7f0000001300)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000001c40)={&(0x7f0000001cc0)=ANY=[]}, 0x1}, 0x0) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x18}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f00000001c0)='ip_vti0\x00', 0x10) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000001980)={0x0, 0x0, 0xffffffffffffffff}) ioctl$DRM_IOCTL_SET_MASTER(r6, 0x641e) sendto$inet(r1, &(0x7f0000000080)="bccd70094478e5ac1b6e0cba77063070f529fd3d0107ff3431d04d03a130411214e0fc7213ae0b96fe0ef16f83ce16c3c98e65f4a26ad8e6f21ce89f7c5be832c739bdca1329f00f6353c214a16815ddd481a632707d66b39e88329cf15f1133c9ca9da8ffe50bcd5758dd271292bef03f0095a0a42e451763243ee687591ea256d55c0274d7c99b1eb2d09eb0208d52c74b4940305754b953b1e187a38930e96c479905c0", 0xa5, 0x8000, &(0x7f0000000140)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendto$inet(r1, &(0x7f00006d1fd4)="db", 0x1, 0x4000000, &(0x7f00004daff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/05/07 00:19:29 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x24000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:29 executing program 3: socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000001280)={0xffffffffffffffff}) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f00000012c0)={'teql0\x00', 0x6}) mmap(&(0x7f0000000000/0xfda000)=nil, 0xfda000, 0x1, 0x31, 0xffffffffffffffff, 0x0) futex(&(0x7f00000000c0), 0x1, 0x0, &(0x7f0000000180)={0x77359400}, &(0x7f0000000040), 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xfffffffffffffff7, 0x88000) r2 = gettid() lstat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000440)=0x0, &(0x7f0000000480), &(0x7f00000004c0)) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000500)=0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000540)={{{@in=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@local}}, &(0x7f0000000640)=0xe8) stat(&(0x7f0000000680)='./file0\x00', &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r8 = syz_open_dev$sndmidi(&(0x7f0000000740)='/dev/snd/midiC#D#\x00', 0x1, 0x10040) r9 = syz_open_dev$sndmidi(&(0x7f0000000780)='/dev/snd/midiC#D#\x00', 0x7, 0x0) r10 = signalfd4(0xffffffffffffffff, &(0x7f00000007c0)={0x1}, 0x8, 0x80800) r11 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000fc0)='/dev/loop-control\x00', 0x200803, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000840)={0x6, 0xffffffffffffffff}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000880)={0xffffffffffffffff}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000008c0)={0x0}, &(0x7f0000000900)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000940)={{{@in=@local, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6}}, &(0x7f0000000a40)=0xe8) r16 = syz_genetlink_get_family_id$ipvs(&(0x7f00000010c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_INFO(r8, &(0x7f0000001200)={&(0x7f0000001080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000011c0)={&(0x7f0000001100)={0xa8, r16, 0x800, 0x70bd25, 0x25dfdbfb, {0xf}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x1c}}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x3b}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'ovf\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x28, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sh\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x5, 0x8}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x6}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @broadcast=0xffffffff}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}]}, 0xa8}, 0x1}, 0x8880) stat(&(0x7f0000000a80)='./file0\x00', &(0x7f0000000ac0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000b40)=0x0) getresuid(&(0x7f0000000b80), &(0x7f0000000bc0)=0x0, &(0x7f0000000c00)) getsockopt$IP6T_SO_GET_INFO(r1, 0x29, 0x40, &(0x7f0000001000)={'mangle\x00'}, &(0x7f0000000800)=0x54) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000c40)={0x0, 0x0, 0x0}, &(0x7f0000000c80)=0xc) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000cc0)={0x0}, &(0x7f0000000d00)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000d40)={{{@in6=@mcast2, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast1}}, 0x0, @in=@multicast2}}, &(0x7f0000000e40)=0xe8) r23 = getegid() setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000001240)=@req={0x2, 0x100000000, 0x1}, 0x10) sendmsg$unix(r1, &(0x7f0000000f80)={&(0x7f0000000100)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000340)=[{&(0x7f00000001c0)="77183bbce3fda19f8d5c6743a2a7dd1516d450b2fa8d57731d9ac6a2300a076075b9289cc83e4d6f88c2a3bf3e9f9969a71f67368f9171daee8efac036d208318a4c6fa3a26f625f1893a350e67a10f4a954131e731c57178f9ebd3f40ff423b9a1126c01d3ec4fc94aa4c68b58dbe0be10b53b2f8648a938769ca03a8bf1a0c6205aafb496673d31faace697b97f398cfcba2159025a55616f0f025bec7d3013f9e7d2afd6e0e0fd5d81049ad25cae6ce022f48fdebee1a38034d8e62d35ae34e88a5557ee3de96b870438dc9cf21d9f59e265d13bd3325dd1109ad21fdca24752e78b2f4cecb173b5360ace54147fe053c9193375f04715b", 0xf9}, {&(0x7f0000000080)="ce15f36ce8483354190c52c5c6d5a978267c", 0x12}, {&(0x7f00000002c0)="eb2fc65d271ad33ad1b5ee2716cff199faaf2ad2ec42192a33a96bd9f7d55d9505e1215cff4c8335654ae0f535c28cbd55c40d832f2efe85f576aa0a0cb5fe97398eed69d2faa9310b898732804700", 0x4f}], 0x3, &(0x7f0000000e80)=[@cred={0x20, 0x1, 0x2, r2, r3, r4}, @cred={0x20, 0x1, 0x2, r5, r6, r7}, @rights={0x28, 0x1, 0x1, [r8, r9, r10, r11, r12, r13]}, @cred={0x20, 0x1, 0x2, r14, r15, r17}, @cred={0x20, 0x1, 0x2, r18, r19, r20}, @cred={0x20, 0x1, 0x2, r21, r22, r23}], 0xc8, 0x20000000}, 0x8000) 2018/05/07 00:19:29 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:29 executing program 2: r0 = socket$can_raw(0x1d, 0x3, 0x1) close(r0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f00000000c0)={0x200, 0x0, 0x6}) poll(&(0x7f0000000040)=[{}, {}, {}, {}, {}, {}, {}, {r0}], 0x8, 0x0) r1 = memfd_create(&(0x7f0000000180)='\x00', 0x0) ioctl$sock_SIOCINQ(r0, 0xc0189436, &(0x7f0000000000)) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r1) ioctl$VT_RESIZEX(r1, 0x560a, &(0x7f0000000080)={0x401, 0x1, 0x5, 0x101, 0xe2ca, 0x80000001}) 2018/05/07 00:19:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xfe80000000000000]}}, 0x1c) shutdown(r0, 0x1) [ 603.030079] device lo entered promiscuous mode 2018/05/07 00:19:29 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff84]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 603.079310] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 603.090262] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 603.093616] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:29 executing program 2: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x2a, 0x0, 0x800000000000, 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_bp, 0x1000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/hwrng\x00', 0x0, 0x0) read$eventfd(r0, &(0x7f0000000400), 0x8) 2018/05/07 00:19:29 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:30 executing program 2: setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000002000)="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", 0x12e) setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, &(0x7f0000002000)={{0xa, 0x4e20}, {0xa, 0x4e20, 0x0, @empty, 0xdf}}, 0x5c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000002000)={0x0, 0x0, 0x9, 0x0, 0xffffffff}, 0x14) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) rt_sigprocmask(0x1, &(0x7f0000000000)={0x4}, 0x0, 0x8) setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001f8e)="ac2524ed7dbf3553e99e2123f59f0900000000000000025b00ae1c9087fdc3512cff4e4b58928fb3dce7c781649ba9f8817cf593dfbe5c6a448d8d189c3fdf8d78107af39b544ba0130f3ef14009c6ff40e050fc8326f0b80f68b00806775026313a2568fa9570c154b9e6d698b9f461ff", 0x71) lseek(r0, 0xe, 0x1) setsockopt$inet6_int(r0, 0x29, 0x40, &(0x7f0000001fde), 0x4) 2018/05/07 00:19:30 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x3e8]}}, 0x1c) 2018/05/07 00:19:30 executing program 3: mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x0, 0x2000000008972, 0xffffffffffffffff, 0x0) madvise(&(0x7f000092d000/0x400000)=nil, 0x400000, 0x1020000000a) r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0x80) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40087705, &(0x7f0000000040)={0x5, 0xec}) clone(0x0, &(0x7f0000a13000), &(0x7f0000000ffc), &(0x7f0000000ffc), &(0x7f0000a4d000)) 2018/05/07 00:19:30 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x0, 0x0) ioctl$KVM_X86_SETUP_MCE(0xffffffffffffffff, 0x4008ae9c, &(0x7f0000000000)={0x200010, 0x0, 0x6}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000300)="c16a00012e260f01ca0f300f350f20e06635000100000f22e066b8ef0000000f23c80f21f866350c00e0000f23f80f21976766c7442400a56c05676766c7442402af3f00006766c744240600000000670f011424b8f1008ee80faeaf0100", 0x5e}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_GET_DIRTY_LOG(r1, 0x4010ae42, &(0x7f0000000040)={0x103ff, 0x0, &(0x7f0000002000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) recvmmsg(0xffffffffffffff9c, &(0x7f0000008340)=[{{&(0x7f00000003c0)=@can, 0x80, &(0x7f0000001800)=[{&(0x7f0000000440)=""/27, 0x1b}, {&(0x7f0000000480)=""/103, 0x67}, {&(0x7f0000000500)=""/246, 0xf6}, {&(0x7f0000000600)=""/248, 0xf8}, {&(0x7f0000000700)=""/239, 0xef}, {&(0x7f0000000800)=""/4096, 0x1000}], 0x6, &(0x7f0000001880)=""/193, 0xc1, 0xffff}, 0xe00000000000000}, {{&(0x7f0000001980)=@pppoe={0x0, 0x0, {0x0, @remote}}, 0x80, &(0x7f0000001a00)=[{&(0x7f0000001ac0)=""/197, 0xc5}, {&(0x7f0000001bc0)=""/4096, 0x1000}, {&(0x7f0000002bc0)=""/141, 0x8d}], 0x3, &(0x7f0000002c80)=""/5, 0x5, 0x5bd}, 0x80000001}, {{&(0x7f0000002cc0)=@ll, 0x80, &(0x7f0000003240)=[{&(0x7f0000002d40)=""/182, 0xb6}, {&(0x7f0000002e00)=""/227, 0xe3}, {&(0x7f0000002f00)=""/197, 0xc5}, {&(0x7f0000003000)=""/174, 0xae}, {&(0x7f00000030c0)=""/127, 0x7f}, {&(0x7f0000003140)=""/74, 0x4a}, {&(0x7f00000031c0)=""/80, 0x50}], 0x7, &(0x7f00000032c0)=""/155, 0x9b, 0x4}, 0x6}, {{&(0x7f0000003380)=@ax25, 0x80, &(0x7f0000004740)=[{&(0x7f0000003400)=""/116, 0x74}, {&(0x7f0000003480)=""/5, 0x5}, {&(0x7f00000034c0)=""/4096, 0x1000}, {&(0x7f00000044c0)=""/75, 0x4b}, {&(0x7f0000004540)=""/103, 0x67}, {&(0x7f00000045c0)=""/125, 0x7d}, {&(0x7f0000004640)=""/18, 0x12}, {&(0x7f0000004680)=""/168, 0xa8}], 0x8, &(0x7f00000047c0)=""/191, 0xbf, 0x1}, 0x3}, {{&(0x7f0000004880)=@l2, 0x80, &(0x7f0000004a00)=[{&(0x7f0000004900)=""/57, 0x39}, {&(0x7f0000004940)=""/85, 0x55}, {&(0x7f00000049c0)}], 0x3, &(0x7f0000004a40)=""/255, 0xff, 0x8}, 0x7}, {{0x0, 0x0, &(0x7f0000006c80)=[{&(0x7f0000004b40)=""/4096, 0x1000}, {&(0x7f0000005b40)=""/252, 0xfc}, {&(0x7f0000005c40)=""/4096, 0x1000}, {&(0x7f0000006c40)=""/54, 0x36}], 0x4, &(0x7f0000006cc0)=""/160, 0xa0, 0x9}, 0x66}, {{&(0x7f0000006d80)=@vsock={0x0, 0x0, 0x0, @hyper}, 0x80, &(0x7f0000007f00)=[{&(0x7f0000006e00)=""/17, 0x11}, {&(0x7f0000006e40)=""/4096, 0x1000}, {&(0x7f0000007e40)=""/158, 0x9e}], 0x3, &(0x7f0000007f40)=""/164, 0xa4, 0x6}, 0x9}, {{&(0x7f0000008000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff}}, 0x80, &(0x7f00000082c0)=[{&(0x7f0000008080)=""/139, 0x8b}, {&(0x7f0000008140)=""/179, 0xb3}, {&(0x7f0000008200)=""/174, 0xae}], 0x3, &(0x7f0000008300)=""/3, 0x3, 0xffffffffffffffff}, 0xffffffff}], 0x8, 0x2, 0x0) getsockopt$SO_COOKIE(r3, 0x1, 0x39, &(0x7f0000008540), &(0x7f0000008580)=0x8) syz_mount_image$ntfs(&(0x7f00000001c0)='ntfs\x00', &(0x7f00000002c0)='./file0\x00', 0x0, 0x0, &(0x7f0000001940), 0x0, &(0x7f0000001b00)=ANY=[]) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000380)='/dev/sequencer\x00', 0x101400, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000005000/0x18000)=nil, &(0x7f0000000100)=[@text64={0x40, &(0x7f0000001a40)="0f21afb985080000b803000000ba000000000f30c462fd1d4e80c74424002f000000c74424020e000000c7442406000000000f01142466b829008ed00f32c48135fc92000000000fc72bc4613d64150b000000b805000000b9393500000f01c1", 0x60}], 0x1, 0x0, &(0x7f0000000480), 0x0) accept$inet6(0xffffffffffffff9c, &(0x7f0000000180), &(0x7f0000000200)=0x1c) ioctl$sock_SIOCSIFBR(0xffffffffffffffff, 0x8941, &(0x7f0000000240)=@generic={0x8, 0x5, 0x9}) openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/07 00:19:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:30 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:30 executing program 7: r0 = socket$rds(0x15, 0x5, 0x0) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f00000001c0)={'syzkaller0\x00', {0x2, 0x4e21, @rand_addr=0x8}}) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0xc0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f0000000080)=0xd, 0xffffffffffffff8d) r2 = socket$inet_tcp(0x2, 0x1, 0x0) listen(r2, 0x0) connect$pptp(r1, &(0x7f0000000100)={0x18, 0x2, {0x1, @multicast2=0xe0000002}}, 0x1e) setsockopt$inet_tcp_int(r2, 0x6, 0xa, &(0x7f0000000040), 0x6e0) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40800004}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="9400000022005947000028017010a2eed4466bad00ffdbdf250000"], 0x14}, 0x1, 0x0, 0x0, 0x40c4}, 0x4000) 2018/05/07 00:19:30 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1400]}}, 0x1c) shutdown(r0, 0x1) [ 604.276143] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 604.297194] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:30 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00009e3ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000629000)) r1 = syz_open_pts(r0, 0x0) fcntl$setstatus(r1, 0x4, 0x2800) signalfd(r1, &(0x7f0000000000)={0x5}, 0x8) syz_open_pts(r0, 0x0) close(r0) 2018/05/07 00:19:30 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:30 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x1c, r1, 0x201, 0x0, 0x0, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3}]}, 0x1c}, 0x1}, 0x0) 2018/05/07 00:19:30 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xa]}}, 0x1c) 2018/05/07 00:19:31 executing program 2: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x61b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, r0, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r2, &(0x7f0000000000)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="a38000000000000000f3ffffff4609f48f73456b3c1000000997d523a2850fc6f04c6d322ebd3108276cae91ffe12008ba851099b5a065f6c6799a3464bcd4f9df3f01c9949b03bd4db326dedeaab44a159dc144b56302c0971200000000000000000000000000"], 0x10}, 0x1}, 0x0) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8907, &(0x7f0000000040)) [ 604.458081] netlink: 'syz-executor7': attribute type 3 has an invalid length. 2018/05/07 00:19:31 executing program 3: mkdir(&(0x7f00000000c0)='./control\x00', 0x0) r0 = open(&(0x7f0000039000)='./control\x00', 0x0, 0x10) mkdirat(r0, &(0x7f0000000080)='./control\x00', 0x0) mkdirat(r0, &(0x7f0000016ff8)='./file0\x00', 0x0) perf_event_open(&(0x7f0000000100)={0x3, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat(r0, &(0x7f00000001c0)='./control\x00', 0x400000, 0x2) mkdirat(r1, &(0x7f0000000000)='./control\x00', 0x0) renameat2(r1, &(0x7f000003aff6)='./control\x00', r0, &(0x7f0000000180)='./control\x00', 0x2) 2018/05/07 00:19:31 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2100]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 604.523955] netlink: 'syz-executor7': attribute type 3 has an invalid length. 2018/05/07 00:19:31 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x8}, 0x10) fsync(r2) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(r3, 0x4004ae99, &(0x7f00000002c0)=0x3) r4 = gettid() timer_create(0x0, &(0x7f00005b6000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r4, 0x1000000000016) 2018/05/07 00:19:31 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5400000000000000]}}, 0x1c) 2018/05/07 00:19:31 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) ioctl$KVM_DEASSIGN_PCI_DEVICE(0xffffffffffffffff, 0x4040ae72, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x3}) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000000022, &(0x7f0000000240)=0x1000000001, 0x4) sendmsg(r0, &(0x7f0000000000)={&(0x7f00000004c0)=@in={0x2, 0x0, @loopback=0x7f000001}, 0x80, &(0x7f0000000380), 0x4}, 0x20000041) 2018/05/07 00:19:31 executing program 3: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x10000, 0x0) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r0, 0x54a2) mknod(&(0x7f000086c000)='./file0\x00', 0x103d, 0x0) r1 = open$dir(&(0x7f00004be000)='./file0\x00', 0x880, 0x0) ppoll(&(0x7f00004fc000)=[{r1}], 0x1, &(0x7f000087fff0)={0x77359400}, &(0x7f0000fafff8), 0x8) r2 = creat(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$EVIOCGBITSW(r2, 0x80404525, &(0x7f0000000080)=""/170) ioctl$sock_SIOCGIFCONF(r2, 0x8910, &(0x7f0000000180)=@req={0x28, &(0x7f0000000140)={'veth0_to_bond\x00', @ifru_addrs=@in={0x2, 0x4e24, @rand_addr=0xa00000}}}) 2018/05/07 00:19:31 executing program 1: unshare(0x8000400) pipe(&(0x7f0000000200)={0x0, 0xffffffffffffffff}) fadvise64(r0, 0x0, 0x80000001, 0x3) openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nullb0\x00', 0x102, 0x0) mq_getsetattr(r0, &(0x7f0000000040), &(0x7f0000000080)) ioctl$TCSETAW(r1, 0x5407, &(0x7f0000000000)={0x7a79, 0x401, 0x0, 0x7fffffff, 0x7, 0x81, 0x0, 0x7fff, 0x5}) [ 604.700665] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:32 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff88]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:32 executing program 7: r0 = socket$inet6(0xa, 0x3, 0x800000000009f) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000100)) connect$inet6(r0, &(0x7f000000cfe4)={0xa}, 0x1c) sendmmsg(r0, &(0x7f0000008a00)=[{{0x0, 0x0, &(0x7f0000000480), 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="60000000000000002900000037000000e1099afa3279d7a9e03a22b169d736c06ab11a96f7d20ddf9166e34ba01ef80187324065bcda06ab9013268169230973698dc95dde637650790df783841dcbb38ed06754d5375b9d6a000000065500000000e061572d4624b0d9ad7c3fc3b28477ce506c1c2ad0095c356bc7cd0945c9aeb09cc596cac8810e9778d42d93a9f27d18d1f450bd093d5a1c45"], 0x60}}], 0x658, 0x0) 2018/05/07 00:19:32 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x100000000000000]}}, 0x1c) 2018/05/07 00:19:32 executing program 1: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000564000)=@abs, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000100)="fd20932fcc7cfaafcf960802e02330f8fba600069da7b753c31273", 0x1b}], 0x1, &(0x7f0000001340)=ANY=[], 0xfffffec5}, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800c02) ioctl$EVIOCSABS0(0xffffffffffffffff, 0x401845c0, &(0x7f0000007000)={0x0, 0x0, 0x800000000000065}) syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x1, 0x20002) ioctl(r0, 0x2285, &(0x7f0000007000)='S') 2018/05/07 00:19:32 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3f00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:32 executing program 3: r0 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x1, 0x400040) openat$cgroup_ro(r0, &(0x7f0000000080)='cpuset.effective_cpus\x00', 0x0, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x2000) close(r1) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000100)) syz_open_dev$random(&(0x7f00000000c0)='/dev/random\x00', 0x0, 0x28040) 2018/05/07 00:19:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x6c04]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:32 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) sendmsg$unix(r2, &(0x7f0000bba000)={&(0x7f0000c57ff8)=@abs, 0x8, &(0x7f00006c6ff0), 0x0, &(0x7f00009dffb8)=[@rights={0x18, 0x1, 0x1, [r0]}], 0x18}, 0x0) recvmsg(r1, &(0x7f00003d6fc8)={&(0x7f0000698000)=@generic, 0x80, &(0x7f000081afd0), 0x0, &(0x7f0000f9fff8)=""/90, 0x5a}, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x80080, 0x0) fgetxattr(r3, &(0x7f0000000000)=@known='security.selinux\x00', &(0x7f0000000100)=""/52, 0x34) setsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000080)=0x2, 0x4) [ 605.774345] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 605.788865] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:32 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x100000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:32 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000200)="2f657865000000000000b8608bbe9f61cf5aafac4abd52925af520fd9cb4ae54ebdc756ff7b47567510de0af4f86afd61024ff2149147384aafbe9c1fd9fc828cf9b6232c202fd6627cf5e6e12faf8c4051eed49154432098dcd570dd0505042aaabaafdf50756667a0e215ba6bea09f78914dcf1bb72666109e495ef1ab3a052cf6941b160031c35e3e651d2dc5377e6091a948662e7e0fcc21f5") fstatfs(r0, &(0x7f0000000100)=""/186) 2018/05/07 00:19:32 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000001c0)="6e65742f6465765f6d6361737400c087ea55011e14c9e347dd1f55a6026a1cb7e067f3c577981c0994a1e80d90d49d68bdbc91fab9c1bbf063e676e83c740e2d647534a1045850a23665d8a07270193f5d003c10e342398400876e8d1721c0b53a91c2f6ec1e5484645db3df") r1 = syz_open_procfs(0x0, &(0x7f0000000340)="70726f6a69645f6d617000b37db21904a5049f38e2cdba8151924341163a551201b0db569f26f584f2e0fbd19716970a3c267d02313be24b84233065de59e1fe0c6df1bd5c1000000000000000000000006d93d71088c0bb62ca0000000000000401b67689e5772de21fe1657d03353c06bef5dea4f6e4f22be83813d94c2e745ae60badc1ea4f9610644a63716da0a2a5142bd9c3230d754bdee19ac798b581cf5fc380996e1dac79e1c300896b72cc4f12ae73fb8b73dc178f93e18e66e916df985df0e5bfad7af3e976e43ae5fc3687ef5e1f325927b06aff0656cb07fc929f7179a1f86f401fe08c3c0e8fdb") sendfile(r1, r0, &(0x7f0000000000)=0x13, 0x7fff) getsockopt$inet6_udp_int(r1, 0x11, 0x65, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/05/07 00:19:32 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x300000000000000]}}, 0x1c) [ 605.923363] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:32 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 606.006790] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:33 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = dup3(r0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_MSRS(r1, 0xc008ae88, &(0x7f0000000040)={0x1, 0x0, [{0x48e}]}) 2018/05/07 00:19:33 executing program 1: r0 = getpid() perf_event_open(&(0x7f0000014f88)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, r0, 0x0, 0xffffffffffffffff, 0x4) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0xffffffffffffffff, 0x3, 0x1, 0x3, &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3}, 0x20) ioctl$KVM_GET_CPUID2(r1, 0xc008ae91, &(0x7f00000000c0)={0x2, 0x0, [{}, {}]}) 2018/05/07 00:19:33 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:33 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xffffffc4]}}, 0x1c) 2018/05/07 00:19:33 executing program 7: openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup/syz1\x00', 0x200002, 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) socketpair$inet(0x1e, 0x5, 0x0, &(0x7f0000001ff8)={0x0, 0xffffffffffffffff}) getsockopt$inet_mreqsrc(r0, 0x10f, 0x0, &(0x7f0000000100)={@empty, @multicast1, @broadcast}, &(0x7f0000000040)=0xc) 2018/05/07 00:19:33 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5555]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:33 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xc000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:33 executing program 2: syz_open_procfs(0x0, &(0x7f0000000080)="6f6f6d5f73636f929a1fc77e6a00") 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) read(r0, &(0x7f0000000040)=""/41, 0x29) 2018/05/07 00:19:33 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@ipv4_delroute={0x24, 0x19, 0x1, 0x0, 0x0, {0x2, 0x20, 0x0, 0x0, 0xff}, [@RTA_DST={0x8, 0x1, @loopback=0x7f000001}]}, 0x24}, 0x1}, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f00000000c0)='/dev/snd/pcmC#D#c\x00', 0x9, 0x40000) getsockopt$IP_VS_SO_GET_INFO(r1, 0x0, 0x481, &(0x7f0000000140), &(0x7f0000000180)=0xc) 2018/05/07 00:19:33 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000080)=0x7f8, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0xfeea, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20}, 0x10) setsockopt$inet_int(r0, 0x0, 0x14, &(0x7f0000000000)=0x7, 0x4) setsockopt$inet_int(r0, 0x0, 0x7, &(0x7f0000000100)=0xffffffffffffffff, 0x4) recvmsg(r0, &(0x7f0000bd9000)={0x0, 0x0, &(0x7f0000eee000), 0x0, &(0x7f0000b18faf)=""/81, 0x51}, 0x40002106) r1 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x3f, 0x8000) ioctl$HDIO_GETGEO(r1, 0x301, &(0x7f00000000c0)) 2018/05/07 00:19:33 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x4b4]}}, 0x1c) shutdown(r0, 0x1) [ 606.798932] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:33 executing program 7: capset(&(0x7f0000581ff8)={0x19980330}, &(0x7f0000000240)) r0 = socket$netlink(0x10, 0x3, 0x4) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x2, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r1, 0x114, 0xa, &(0x7f0000000040)={0x3, "a8c2f6"}, 0x4) writev(r0, &(0x7f0000493000)=[{&(0x7f0000bae000)="58000000140019f700db4b01040d8c560a06000000000410489619c3001158a2e04a03ca8164243e8900000028215a0004fbf50dfff90004a50b00ff001c0843000000000000221f080001000a000400000100ec6b0f076e", 0x58}], 0x1) 2018/05/07 00:19:33 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xc0fe]}}, 0x1c) 2018/05/07 00:19:33 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000c79000)='stat\x00') close(r0) r1 = syz_open_procfs(0x0, &(0x7f0000c40000)='oom_adj\x00') getsockname$unix(r0, &(0x7f0000000040)=@abs, &(0x7f00000000c0)=0x6e) sendfile(r1, r0, &(0x7f0000317ff8), 0x400000ff) 2018/05/07 00:19:33 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:33 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000240)='(\x00') r1 = getpgrp(0x0) move_pages(r1, 0x7, &(0x7f0000000040)=[&(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffa000/0x4000)=nil], &(0x7f0000000080)=[0xffffffffffffffff, 0xfffffffffffffffa, 0xffffffffffff8001, 0x1, 0x1, 0x360d0769, 0x9126, 0x8, 0x7fff], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x0) 2018/05/07 00:19:33 executing program 3: socket$bt_cmtp(0x1f, 0x3, 0x5) r0 = add_key(&(0x7f0000943000)='keyring\x00', &(0x7f0000f02ffb)={0x73, 0x79, 0x7a}, &(0x7f00004defd8), 0x0, 0xffffffffffffffff) keyctl$revoke(0x3, r0) keyctl$describe(0x6, r0, &(0x7f0000000000)=""/217, 0xd9) socket$nl_xfrm(0x10, 0x3, 0x6) 2018/05/07 00:19:33 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1f4]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:33 executing program 7: unshare(0x8000400) r0 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0x1, 0x4, 0x1, 0x100000001}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000200)={r0, &(0x7f0000000000), &(0x7f0000000080)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r0, &(0x7f0000000000)="8f0910fce124b3d603fa2d52153ec358cecde7750a18ad67e30c10d073b6d485231461a5bcf2887cb5d983674bbd2f166c41e065f0c7301dc078afd5f247eebaa7e2b5f4d55d30e624aac86b1b30d8aeb9fe7785fd6dbdd9eae8", &(0x7f0000000240)=""/213}, 0x18) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000001c0)={r0, &(0x7f0000000000), &(0x7f0000000100)=""/161}, 0x18) 2018/05/07 00:19:34 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xeffdffff00000000]}}, 0x1c) 2018/05/07 00:19:34 executing program 1: 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f000082f000)='./control\x00', 0x0) r0 = creat(&(0x7f0000000000)='./control/file0\x00', 0x0) accept$unix(r0, &(0x7f0000000040), &(0x7f0000000140)=0x6e) mount(&(0x7f0000000200)='./control/file0\x00', &(0x7f0000000240)='./control/file0\x00', &(0x7f0000000100)='ext4\x00', 0x5000, &(0x7f0000000180)) unlink(&(0x7f00000000c0)='./control/file0\x00') mount(&(0x7f00000001c0)='./control/file0\x00', &(0x7f0000000280)='./control\x00', &(0x7f00000002c0)='efivarfs\x00', 0x4, &(0x7f0000000300)="89d29a861eaf41c029591e4f677423ed0e5343a5ecc4f88b99aff82bc41c151dbc37ed424c84c0b479048cd1c67c9a54f7a1fed85f0660095b67ca1de95833620a10925f79594a") mkdir(&(0x7f0000000180)='./control\x00', 0x100) 2018/05/07 00:19:34 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3300]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:34 executing program 2: r0 = socket(0x18, 0x0, 0x1) connect(r0, &(0x7f00000000c0)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0x0, 0x0, 0x2, {0xa}}}, 0x33a) setsockopt(r0, 0x400000000010111, 0x7, &(0x7f0000000080)="e77a8c2e4900010800", 0xffffffffffffff70) 2018/05/07 00:19:34 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xc]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:34 executing program 7: 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) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000080)={'lo\x00', 0x101}) setsockopt$EBT_SO_SET_COUNTERS(r0, 0x0, 0x81, &(0x7f00000000c0)={'raw\x00', 0x3, [{}, {}, {}]}, 0x58) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000000)={'lo\x00', {0x2, 0x0, @rand_addr}}) 2018/05/07 00:19:34 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1c00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:34 executing program 3: r0 = socket(0x10, 0x3, 0x0) write(r0, &(0x7f0000000080)="260000005e00090d99a09a51cd069952b394bd9a00000004f839ef0000fff30f000009ff6e4feaf60423451b39e2129392b0dba9420f66ae6fa817f092a32796ed266879cd671641512f8fee1f0afadc91a0bd2357b16165ab1260c7b40cf89a68e5248ecd79f2c18d8e99c947db77c705d8cc1e687e825a3a77a4", 0xffffffffffffff7a) 2018/05/07 00:19:34 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xfff, 0x3f}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r1, &(0x7f0000002000)=@ethernet, 0x10) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000300)={'vcan0\x00', 0x0}) sendmsg$can_bcm(r1, &(0x7f0000000000)={&(0x7f0000004000)={0x1d, r2}, 0x10, &(0x7f0000002ff0)={&(0x7f0000004fb8)={0x5, 0x0, 0x0, {}, {}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "b100"}}, 0x48}, 0x1}, 0x0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)=0x4) semget$private(0x0, 0x4, 0x0) syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0xa8082) [ 607.641189] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 607.646891] IPVS: ftp: loaded support on port[0] = 21 [ 607.679057] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:34 executing program 3: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0xfffffffffffffffe, 0x0) ioctl$VHOST_SET_FEATURES(r0, 0x40084d00, &(0x7f0000000100)) ioctl$EVIOCSKEYCODE(r0, 0x40084504, &(0x7f0000000000)=[0x5, 0x1f]) 2018/05/07 00:19:34 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:34 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x8dffffff00000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:34 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe272fc4000000000]}}, 0x1c) 2018/05/07 00:19:34 executing program 1: r0 = socket$kcm(0x29, 0x5, 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$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000000)=0x100, 0x4) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000fb3ffc), 0x4) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0}, &(0x7f0000000080)=0xc) getresuid(&(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)=0x0) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(r1, r2, r3) [ 607.848327] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 607.869577] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 607.978653] device lo entered promiscuous mode [ 608.008755] device lo entered promiscuous mode 2018/05/07 00:19:35 executing program 3: r0 = syz_open_dev$sndseq(&(0x7f0000000100)='/dev/snd/seq\x00', 0x0, 0x0) syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x800) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0x1) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffff9c, 0x84, 0x72, &(0x7f0000000640)={0x0, 0x9}, &(0x7f0000000680)=0xc) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f00000006c0)={0x0, 0x4}, &(0x7f0000000700)=0x8) sendmsg$inet_sctp(r1, &(0x7f0000000800)={&(0x7f00000000c0)=@in={0x2, 0x4e24, @rand_addr=0x4}, 0x10, &(0x7f00000005c0)=[{&(0x7f0000000140)="d58c58ffd63c531e5bd778a2f046e62bd3205d88ce8413ef1c8050ea1dd358752ba6", 0x22}, {&(0x7f0000000180)="eaad2d01aa6a3edc03b7f0443a99aa2d0c488f59d2369d575acc4db3992a67469999392c4fa8ec9191602d19e6eedd559309d8da47a5bd63a74b1bc366e2c4b6156a1155f3bd97e957acb8b1081fc1124e4b9f4098b5c10e451431a395c935c5364f57eedb88bee28988f058e806ac1072", 0x71}, {&(0x7f0000000200)="fb6a2acaceb2b7e33c3a9de1a96ec671bb523c1b0d84a9589963002783e19006623c9ec2489f582359e1b1ef119288bc8bf783ed05e75fa2a3d2ac8b987430518adc6faf4a53fa162056096287a4029173183527b8bcf3bccc7c14bff399bbcb68af601870295f19f709a9d66fbd8430dc8a5f046bfbaeae0c600bedcd6f65e85afae43c45093f360b2748903446aeadc2ef5d5e", 0x94}, {&(0x7f00000002c0)="ab7135d3739fa38ca7cf64d7908e84649810ed240a22d6b17c8e384e0fe5f4f3f7a545e737559166cce999293609c54cc4fa29eb87141811ebfb32906bbccafd", 0x40}, {&(0x7f0000000300)="e91a529f50beaaee3a8d9357e9b75e450a659c43690ea190ba369dd8062a7ff74401574bbf72cae207ca85cbce4837f89970d8994f370933bb64e3f732e4f40912cb29bceba44a5712787693cd6fea546afa2bb5337c7cf8ec86cb6c3b3b61e6b1f2abf9ca88598d955715ec6b884199194847580f0daa15ba058226d652892848101d0fbce3e9bf18d3ab43def888c5afbbc6b9e59159dcc2887e4b40c75ff6f230986e67a54707981ba835e8fdead6853ca76092a2e3818349e55ea9bb34dc44e9643b49981562c7ee19d2328e2254927b3e2a469d48d3fcffc72ef694cce1c591aab0ab51", 0xe6}, {&(0x7f0000000400)="7ea22e468f6eac197ad23f362bceb9eb4471a2d8fa0b32f0cd4a4910e29c24da17b2e055da9e55da118f90c48afeecab98a5cb6f5ba1a7a280a410c94fb29dfa62f1d4f533d27732916e699ee459abf631b0b6165c2e7650df874d2e2c590fe47a6021479e7d00b76ff58fdfd256b6a04bcf1060eb7a279b5d8abc3e037f1bbc91a148dab2506c047b7a27703019e048691e16f775f4789a8120f457ca55a2a67fe4d050d98e36c562e5f1c77e8354a51154eeb9c888502229b0e24a9b7597bc19604ac6eb98ebb8d8a31fa900f062d3fe1b09ae1c", 0xd5}, {&(0x7f0000000500)="8da831c73fd4c3f46d5df2f930b1a4d254324e4becdf4b2a897bfc15d18e264beed1a63a32c40168b1835d17375755aec3eb6f67196d2f810760dda799423e1db97985bf0ca591b713e629ade7e239413e1716da7d569149e6ca75118d96850f8aad852f335132cd5183283350d3f3b195c78ac7e67bcc41d64972d6c8e92a77bd19c8c3fa04b143452067b97b622029a03c669b654017544174e51deb440363", 0xa0}], 0x7, &(0x7f0000000740)=[@dstaddrv4={0x18, 0x84, 0x7, @local={0xac, 0x14, 0x14, 0xaa}}, @sndinfo={0x20, 0x84, 0x2, {0x9, 0x8202, 0xac, 0xdee1, r2}}, @sndrcv={0x30, 0x84, 0x1, {0x5, 0x4, 0x208, 0x2, 0x8, 0xff, 0x3, 0x6, r3}}, @dstaddrv4={0x18, 0x84, 0x7, @rand_addr}, @init={0x18, 0x84, 0x0, {0x1, 0xfffffffffffffffb, 0x7, 0xa20}}], 0x98, 0x4008000}, 0x20000000) openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x22001, 0x0) 2018/05/07 00:19:35 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:35 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x600]}}, 0x1c) 2018/05/07 00:19:35 executing program 7: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x1000000000005, 0x2, 0xa, 0xffffffff00000006}, 0x2c) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000100)=@assoc_value, &(0x7f00000001c0)=0x8) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040), &(0x7f0000000100)}, 0x20) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000200)=0x0) ioctl$sock_SIOCSPGRP(r1, 0x8902, &(0x7f0000000240)=r2) ioctl$SG_SET_TIMEOUT(r1, 0x2201, &(0x7f0000000280)=0x101) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000080)={r0, &(0x7f0000000180)="04", &(0x7f0000000040)=""/64}, 0x18) 2018/05/07 00:19:35 executing program 2: r0 = syz_open_dev$mice(&(0x7f000057d000)='/dev/input/mice\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000000c0)=0x1ff, 0x4) r1 = syz_open_dev$evdev(&(0x7f0000057fee)='/dev/input/event#\x00', 0xafd, 0x8000040000001) write$evdev(r1, &(0x7f00008c1fd0)=[{{}, 0x2, 0x0, 0x1}, {}], 0x30) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$EVIOCGKEY(r1, 0x80404518, &(0x7f0000000040)=""/11) r2 = syz_open_dev$evdev(&(0x7f0000057fee)='/dev/input/event#\x00', 0xafd, 0x8000040000001) bind$pptp(r0, &(0x7f0000000080)={0x18, 0x2, {0x2, @broadcast=0xffffffff}}, 0x1e) write$evdev(r2, &(0x7f00008c1fd0)=[{{}, 0x0, 0x1}, {}], 0x30) 2018/05/07 00:19:35 executing program 1: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) r1 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x6, 0x80000) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x0, 0x400) ioctl$HDIO_GETGEO(r1, 0x301, &(0x7f0000000080)) sendto$inet(r0, &(0x7f000026cfff)="b9", 0x1, 0x0, &(0x7f0000000000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00001afff8)={0x0, 0x1}, 0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/05/07 00:19:35 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf5ffffff00000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x6e2e]}}, 0x1c) shutdown(r0, 0x1) [ 608.693100] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:35 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfec0]}}, 0x1c) [ 608.752235] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:35 executing program 3: r0 = socket(0x11, 0x100000800, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x2) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={"6966623000faffffffffffffff00", 0x4001}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00000000c0)={'ifb0\x00', 0xa201}) write$tun(r1, &(0x7f0000000380)={@void, @hdr={0x0, 0x0, 0x543, 0x0, 0x6}, @mpls={[], @generic="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"}}, 0xfce) 2018/05/07 00:19:35 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='attr\x00') fchdir(r0) ioctl$KVM_SIGNAL_MSI(r0, 0x4020aea5, &(0x7f0000000000)={0x10000, 0x1000, 0x7, 0x6, 0x7ff}) r1 = syz_fuseblk_mount(&(0x7f0000976000)='./file0\x00', &(0x7f0000dd3ff8)="e52f66696c653000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) fadvise64(r1, 0x0, 0x80, 0x5) 2018/05/07 00:19:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2e6e]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:35 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:35 executing program 2: clock_nanosleep(0x2, 0x0, &(0x7f0000b85000)={0x0, 0x1c9c380}, &(0x7f0000443000)) r0 = gettid() timer_create(0x200000000000000, &(0x7f0000000200)={0x0, 0xa, 0x0, @tid=r0}, &(0x7f0000000040)) timer_settime(0x0, 0x4000000000000000, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r0, 0x14) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x200000000005, 0x8031, 0xffffffffffffffff, 0x0) 2018/05/07 00:19:35 executing program 3: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000180)='/dev/null\x00', 0x210000, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x2, 0x4, 0x86, 0xf, 0x0, r0}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={r1, &(0x7f0000000140), &(0x7f00000000c0), 0x1}, 0x3fa) r2 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x40, 0x521000) getsockopt$inet_sctp6_SCTP_INITMSG(r2, 0x84, 0x2, &(0x7f00000000c0), &(0x7f0000000140)=0x8) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000040)=0x400) 2018/05/07 00:19:35 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/wireless\x00') getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ioctl$sock_SIOCSPGRP(r0, 0x8902, &(0x7f00000000c0)=r1) pread64(r0, &(0x7f00000003c0), 0x2fb, 0xd6) clock_gettime(0x0, &(0x7f0000000280)={0x0, 0x0}) sendmsg$can_bcm(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x1d}, 0x10, &(0x7f0000000340)={&(0x7f00000002c0)={0x7, 0x98, 0x3ff, {0x0, 0x2710}, {r2, r3/1000+30000}, {0x2, 0xfffffffffffff001, 0x3, 0x80000001}, 0x1, @can={{0x4, 0x13f, 0x7, 0x80000000000000}, 0x3, 0x3, 0x0, 0x0, "afaa501461115a9c"}}, 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) select(0x40, &(0x7f0000000140)={0x1f, 0x4, 0x9, 0x1, 0x3, 0x80, 0x9, 0x2}, &(0x7f0000000180)={0x41af9611, 0xc66d, 0x81, 0x0, 0xffffffff, 0x2, 0x16, 0x101}, &(0x7f00000001c0)={0x401, 0x8, 0x6, 0x7bdc, 0xffffffffffff8000, 0x1, 0xc0000000000000, 0xffff}, &(0x7f0000000200)) poll(&(0x7f0000000100)=[{r0, 0x2002}], 0x1, 0xdc8c) 2018/05/07 00:19:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:36 executing program 1: r0 = socket(0x1e, 0x1, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) close(r0) 2018/05/07 00:19:36 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5455010000000000]}}, 0x1c) 2018/05/07 00:19:36 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:36 executing program 3: r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x3, 0x10000) setsockopt$l2tp_PPPOL2TP_SO_REORDERTO(r0, 0x111, 0x5, 0x5, 0x4) r1 = syz_open_dev$sndctrl(&(0x7f0000e22fed)='/dev/snd/controlC#\x00', 0xc, 0x800000000004) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r1, 0xc4c85513, &(0x7f0000b8eb38)={{0xb, 0x0, 0x0, 0x0, "c7e4f9ecd7fc5367d571f77fe620a25ed456723ee8a6dabc048a9e0bf4f8491a15242cc6513f78936cdba402"}, 0x0, [0x6], {0x77359400}}) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r0, 0xc10c5541, &(0x7f0000000040)={0x1, 0xffff, 0x2, 0x0, 0x0, [], [], [], 0x3, 0x3}) 2018/05/07 00:19:36 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1f720]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:36 executing program 2: r0 = socket(0x15, 0x80005, 0x0) setsockopt$inet_udp_int(r0, 0x11, 0x65, &(0x7f0000000000)=0x8, 0x4) sysinfo(&(0x7f0000000080)=""/192) r1 = syz_open_dev$sndmidi(&(0x7f0000000140)='/dev/snd/midiC#D#\x00', 0x35, 0x20000) ioctl$TUNDETACHFILTER(r1, 0x401054d6, 0x0) setsockopt(r0, 0xd99, 0x7, &(0x7f0000000040)="67b882959cbb21505d464d9a4ecf4e9b0d9296e32731e7e9323d6f180161feaabf922951e7fd8ad7d642a54515796fb2e5c83c4ce7f8f2835e3b23f6429315", 0x3f) socket(0x1a, 0xfffffffffffffffd, 0x4) 2018/05/07 00:19:36 executing program 7: r0 = socket$inet(0x2, 0x7, 0x2) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f00000003c0)=0x0) ioctl$sock_SIOCSPGRP(r0, 0x8902, &(0x7f0000000080)=r1) perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) move_pages(r1, 0x9, &(0x7f00000001c0)=[&(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffb000/0x1000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffb000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil], &(0x7f0000000240)=[0x4, 0x6, 0x800, 0xfffffffffffffc01, 0xfffffffffffff719], &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6) r2 = socket(0x4, 0x4000000005, 0x8) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x400000, 0x0) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000180)={r3, &(0x7f0000000100)="2a25a9f97ee73ac3881ad09673115cc20d7e1542128f51d84a46cf7debc884e36798e3d16a6842720de1a09e824801deb2f67d5b4e9e75858d61cb8fb758593db96f149d3b94fd4ae5be6a8a38025d47730a14d4bbf0b7fe6ce8befeb446152f"}, 0x10) setsockopt(r2, 0x114, 0x1d, &(0x7f0000000000)="2a8e339c", 0x4) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000300)={r3, 0x28, &(0x7f00000002c0)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000340)={r4, 0x80, 0x8}, 0xc) 2018/05/07 00:19:36 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x17, &(0x7f0000368ffc)=0xfffffffdfffffffd, 0x4) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) 2018/05/07 00:19:36 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$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x14, 0x27, 0x331, 0x0, 0x0, {0x8}}, 0x14}, 0x1}, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) accept$inet(r1, &(0x7f0000000080)={0x0, 0x0, @local}, &(0x7f0000000140)=0x10) [ 609.916739] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 609.939375] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:36 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xfc]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:36 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:36 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x16}}, 0xd) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TCXONC(r1, 0x540a, 0xa) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_bt_bnep_BNEPCONNADD(r2, 0x400442c8, &(0x7f0000000200)=ANY=[@ANYRES32=r0, @ANYBLOB="f8ffffff973425e964cf422beafbfddf5879651fb4880df9b952e2bccca8980b88271557b4c9c9ed9800cb6a8a9259a8ab555e885fe2fb0a7ccbcb52072916badc7414d061926a0489c706c68493065bac4f000901346fe08eb624e04d528d78bc05000000000000005cf242f65ca90886a750a0c9676b4b1345fdff20d5d37f6e6cc9dc91949aa616b173a42778fef2aa222f7b10fb547ed64ed1b2de03b80879467f"]) setsockopt$inet_sctp6_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f00000000c0)=0xfff, 0x4) recvmmsg(r0, &(0x7f0000001500)=[{{0x0, 0x0, &(0x7f0000001480), 0x0, &(0x7f00000014c0)=""/12, 0xc}}], 0x207, 0x1, 0x0) 2018/05/07 00:19:36 executing program 3: r0 = socket$inet(0x2, 0x3, 0x5) getsockopt$EBT_SO_GET_ENTRIES(r0, 0x0, 0x83, &(0x7f0000001200)={'filter\x00', 0x0, 0x4, 0x0, [], 0x100009e0, &(0x7f00000001c0), &(0x7f0000000200)=""/4096}, &(0x7f0000001280)=0x108) 2018/05/07 00:19:36 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$bt_hci(r0, 0x0, 0x1, &(0x7f0000000140)=""/235, &(0x7f0000000000)=0xeb) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x800000000100003) sendto$inet6(r0, &(0x7f0000eb9fff), 0xffffff31, 0x20000003, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r2, &(0x7f0000f6f000), 0x11d, 0x20000004, &(0x7f0000cc7fe4)={0xa, 0x4e22}, 0x52) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x220280, 0x0) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) ioctl$sock_bt_hidp_HIDPCONNADD(r4, 0x400448c8, &(0x7f0000000280)=ANY=[@ANYRES32=r3, @ANYRES32=r4, @ANYBLOB="c46b000000000000a4e5bcccfce219661f4e5ca74ff74db646212a02d8974ed045c6de371b90d99e46f44b3af2268b10ae78cd6a", @ANYPTR=&(0x7f0000000440)=ANY=[@ANYBLOB="e9c727c214efa4a19f7c1e0549a7089294cfd82d924f6fbe7977ba494c631966c499c35890176a1265c5302ba3d08d2c35b373dd4880df62103603c450dde0fedec217c208236d22c9fafdc6acdcc7003768f636a35333ff0f59dc1b05dca228cc13b2e74e91fa9920aa0eb2ec060a2722bb233aa797fc21ed32e5266b1f1c90dc42419d4b8d988e7a5523e69bea59adb5ce1974638247c5648b21d3a04e4f4c4388629e59911eadad82f1c257871999f61ec5e553927b15e48f8e480bb661397dde036158edb6f19e5c4ce68abb40d6e29fae82863cf0d1d405b7d2150e746fb9"], @ANYBLOB="08070900ff0f09000100000009000000e79085775f53e28b23f3796f5b6a163a451242fab536651d15d9ab2b0aa66dd23b7fe9430fa4108bfcc040dfa72b96dcf8116be613a64ed6894be689dd159bed1d42131262b737653cdf9bb474de430e743b63a7c91702eb60be7f280d9d1bc84c6d82ffad91600bbccb5c0a18d6c3cbe861b937413d9f606f809969dcd87dd4ee8667a9e44a0eec7778"]) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r4, 0x28, 0x6, &(0x7f0000000240)={r5, r6/1000+30000}, 0x10) accept$inet6(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, @dev}, &(0x7f0000000100)=0x1c) 2018/05/07 00:19:36 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa1c8197]}}, 0x1c) shutdown(r0, 0x1) [ 610.163544] kernel msg: ebtables bug: please report to author: Nentries wrong 2018/05/07 00:19:37 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:37 executing program 3: r0 = socket$inet(0x2, 0x3, 0x5) getsockopt$EBT_SO_GET_ENTRIES(r0, 0x0, 0x83, &(0x7f0000001200)={'filter\x00', 0x0, 0x4, 0x0, [], 0x100009e0, &(0x7f00000001c0), &(0x7f0000000200)=""/4096}, &(0x7f0000001280)=0x108) 2018/05/07 00:19:37 executing program 1: ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)=0x0) migrate_pages(r0, 0xe8, &(0x7f00000000c0)=0x9, &(0x7f0000000100)=0x6c) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000000080)=0xc) getpgid(0x0) r1 = getpgid(0x0) r2 = fcntl$getown(0xffffffffffffff9c, 0x9) setpgid(r1, r2) 2018/05/07 00:19:37 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5455010000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:37 executing program 2: r0 = memfd_create(&(0x7f0000000080)='\x00', 0x0) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000100)=0x800, 0x4) r1 = memfd_create(&(0x7f00000000c0)='dev ', 0x2) write(r1, &(0x7f0000000040)="1600e5d1", 0x4) sendfile(r1, r1, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r1, 0x0) select(0x40, &(0x7f0000000180), &(0x7f0000001240), &(0x7f0000001340), &(0x7f0000001380)={0x77359400}) ioctl$IOC_PR_PREEMPT(r1, 0x401870cb, &(0x7f0000000000)={0x0, 0x9, 0x80, 0x6}) ioctl$EVIOCGBITSND(r1, 0x80404532, &(0x7f00000001c0)=""/214) 2018/05/07 00:19:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3de00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:37 executing program 7: unshare(0x60000000) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$dmmidi(&(0x7f00000000c0)='/dev/dmmidi#\x00', 0x8, 0x140) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000100)={0x0, r1, 0x8, 0x1}, 0x14) socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000080)={'lo\x00', 0x101}) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000200)={'sit0\x00', {0x2, 0x0, @loopback=0x7f000001}}) socket$packet(0x11, 0x2, 0x300) r2 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0xfffffffffffffffb, 0x410000) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000180)='fou\x00') fsetxattr(r1, &(0x7f00000001c0)=@known='security.capability\x00', &(0x7f0000000340)='trustedproc\\cgroup]\x00', 0x14, 0x1) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000380)='/dev/sequencer2\x00', 0x2000, 0x0) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="000429bd7000fedbdf250200000008000200020000004931057d4be15be269581ff1df9ca6a3a9698f5bbcc97b0413862ca1527eb52f4b6a41d8e6b23a21d889b6115a497fd59169bc95a00e38d1bd2bbafdcae18f90d27f47f0ccde0c7afb1c4335591e962f0ca659"], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000040)=0x9e2b, 0x4) 2018/05/07 00:19:37 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x1802000000000000]}}, 0x1c) [ 611.230506] kernel msg: ebtables bug: please report to author: Nentries wrong [ 611.244066] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 611.249997] IPVS: ftp: loaded support on port[0] = 21 [ 611.255416] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:37 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 611.271451] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:37 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x1, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000d83000)) read$eventfd(r0, &(0x7f0000000080), 0x8) 2018/05/07 00:19:37 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x227d, &(0x7f0000c95ffe)) 2018/05/07 00:19:37 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x54550100]}}, 0x1c) 2018/05/07 00:19:38 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x3, 0x1) setsockopt$netlink_NETLINK_RX_RING(0xffffffffffffffff, 0x10e, 0x6, &(0x7f0000003000)={0x0, 0x0, 0x2}, 0x10) r1 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffa) socket$inet(0x2, 0x800, 0x7ff) add_key$keyring(&(0x7f0000000280)='keyring\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, r1) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x23, &(0x7f0000003000)={{{@in=@multicast2=0xe0000002, @in=@multicast1=0xe0000001}, {0x0, 0x401}}, {{@in6}, 0x0, @in6=@loopback={0x0, 0x1}}}, 0xe8) r2 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x0, 0x800) getsockopt$inet_buf(r2, 0x0, 0x2f, &(0x7f0000000300)=""/4096, &(0x7f00000000c0)=0x1000) setsockopt$netlink_NETLINK_PKTINFO(r2, 0x10e, 0x3, &(0x7f0000000080)=0xffffffffffffffff, 0x4) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f0000000140)={0x2, {{0x2, 0x0, @multicast2=0xe0000002}}}, 0x90) 2018/05/07 00:19:38 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 611.461675] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x4000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x6, 0x103500) ioctl$SG_GET_KEEP_ORPHAN(r2, 0x2288, &(0x7f0000000080)) r3 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r5 = dup3(r4, r3, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe6000/0x18000)=nil, &(0x7f0000000140)=[@textreal={0x8, &(0x7f0000000200)="0f30f3afbaf80c66b8981d068566efbafc0c66b80d00008066ef660f320f01df650f01ca66b9800000c00f326635000100000f3066b9700900000f3266b9800000c00f326635002000000f30f30f07", 0x4f}], 0x1, 0x0, &(0x7f00000002c0), 0x0) ioctl$KVM_SET_MSRS(r5, 0x4008ae89, &(0x7f0000000000)={0x1, 0x0, [{0x48d}]}) [ 611.509211] device lo entered promiscuous mode 2018/05/07 00:19:38 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3300]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:38 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5000000]}}, 0x1c) 2018/05/07 00:19:38 executing program 7: r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x6, 0x441) write$evdev(r0, &(0x7f0000000000)=[{{0x0, 0x2710}, 0x0, 0x8001}], 0x18) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0xfffffffffffffd98, 0x0, 'client0\x00', 0xffffffff80000006, "6653face8cb13d90", "da1d45bd1838a570f38eeb1f6303b6b1be79535fa94a898dc941213a17072ad3", 0x8, 0x8001}) 2018/05/07 00:19:38 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x400, 0x0) ioctl$KVM_SET_VAPIC_ADDR(r1, 0x4008ae93, &(0x7f0000000140)=0x1) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_NMI(r3, 0xae9a) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = dup3(r3, r0, 0x0) setsockopt$sock_timeval(r4, 0x1, 0x15, &(0x7f0000000040), 0x10) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x3, 0x0, 0x1000}) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, &(0x7f00000001c0)="0f20d835080000000f22d8400fe9536bc421bd15b14f000000262626480fc71c19b9800000c00f3235010000000f3066bad004b0b1eea6c4c25d3d433c0f91d1c4a21d2d02", 0x45}], 0x1, 0x0, &(0x7f0000000000), 0x0) ioctl$KVM_SET_CPUID(r3, 0x4008ae8a, &(0x7f0000000340)={0x1, 0x0, [{0x80000008, 0xd66}]}) ioctl$KVM_RUN(r4, 0xae80, 0x0) 2018/05/07 00:19:38 executing program 2: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000ff4)='/dev/ashmem\x00', 0x0, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') 2018/05/07 00:19:38 executing program 3: r0 = socket$inet6(0xa, 0x807ff, 0x83) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) bind$netlink(r1, &(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000001c0)={{{@in, @in6=@remote={0xfe, 0x80, [], 0xbb}, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@remote={0xfe, 0x80, [], 0xbb}, 0x4d3, 0x6c}, 0x0, @in6, 0x0, 0x0, 0x0, 0x90}}, 0xe8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f00000002c0)={0x0, @in6={{0xa, 0x4e20, 0x4, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x52a4}}, 0x8, 0x6, 0x800, 0x7, 0x2}, &(0x7f0000000080)=0x98) r3 = syz_open_dev$adsp(&(0x7f0000000180)='/dev/adsp#\x00', 0x1, 0x119000) getsockopt$kcm_KCM_RECV_DISABLE(r3, 0x119, 0x1, &(0x7f0000000500), 0x4) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000380)={r2, @in={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}, [0x2345, 0x0, 0x7, 0x6, 0xffff, 0x0, 0x100000001, 0x45, 0xe3, 0x8, 0x100000001, 0x4, 0x10001, 0x81, 0x8000]}, &(0x7f0000000140)=0x100) setsockopt$inet6_MRT6_DEL_MFC(r0, 0x29, 0xcd, &(0x7f0000000480)={{0xa, 0x4e20, 0x1, @loopback={0x0, 0x1}, 0x8000}, {0xa, 0x4e22, 0xffff, @empty, 0xe2be}, 0x1, [0xffffffffffffff80, 0xfffffffffffffffd, 0x5, 0x7, 0x8, 0x8, 0xe08, 0x4]}, 0x5c) connect$inet6(r0, &(0x7f00000000c0)={0xa}, 0x1c) getpeername$netlink(r1, &(0x7f0000000000), &(0x7f0000000040)=0xc) 2018/05/07 00:19:38 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:38 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x97811c0a]}}, 0x1c) shutdown(r0, 0x1) [ 612.113790] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x10}, 0xb6, &(0x7f0000a3bff8)={&(0x7f0000000400)=@getlink={0x38, 0x12, 0x209, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x10, 0x12, [@IFLA_INFO_KIND={0xc, 0x1, 'user{\x00'}]}, @IFLA_MASTER={0x8, 0xa, 0xf000000}]}, 0x38}, 0x1}, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x88003, 0x0) timerfd_settime(r1, 0x1, &(0x7f00000000c0), &(0x7f0000000100)) 2018/05/07 00:19:38 executing program 3: r0 = socket(0x5, 0xe3b4b7020b4536b1, 0x101) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x1, 0x8}, 0x8) write(r0, &(0x7f0000000100)="1f0008000606fd00010000eb0000ff0180ffff07091c0180060041ec0000002ee48bd939609e04c6a31c8ccad7a1d33233f90c8cd3d605ccfd783341bfa9b3c02eef5fd48125d5a18a5c5997ba4ff3de941957a78f53dfc3bf09365a60f732d6c8ad", 0x62) 2018/05/07 00:19:38 executing program 7: r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$packet_int(r0, 0x107, 0xb, &(0x7f00000000c0), &(0x7f0000000100)=0x2) recvmmsg(r0, &(0x7f0000003500)=[{{&(0x7f0000000000)=@rc, 0x80, &(0x7f0000000080)=[{&(0x7f0000000140)=""/118, 0x76}], 0x1, &(0x7f00000001c0)=""/62, 0x3e, 0x7}, 0x7ff}, {{0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000200)=""/96, 0x60}, {&(0x7f0000000280)=""/49, 0x31}], 0x2, &(0x7f0000000300)=""/38, 0x26, 0xff}, 0x1}, {{&(0x7f0000000340)=@nfc_llcp, 0x80, &(0x7f0000000600)=[{&(0x7f00000003c0)=""/87, 0x57}, {&(0x7f0000000440)=""/183, 0xb7}, {&(0x7f0000000500)=""/231, 0xe7}], 0x3, &(0x7f0000000640)=""/3, 0x3, 0x2}, 0x5}, {{&(0x7f0000000680)=@ax25, 0x80, &(0x7f0000002ac0)=[{&(0x7f0000000700)=""/25, 0x19}, {&(0x7f0000000740)=""/243, 0xf3}, {&(0x7f0000000840)=""/170, 0xaa}, {&(0x7f0000000900)=""/53, 0x35}, {&(0x7f0000000940)=""/95, 0x5f}, {&(0x7f00000009c0)=""/130, 0x82}, {&(0x7f0000000a80)=""/4096, 0x1000}, {&(0x7f0000001a80)=""/4096, 0x1000}, {&(0x7f0000002a80)=""/17, 0x11}], 0x9, &(0x7f0000002b80)=""/197, 0xc5, 0xb8}, 0x8b96}, {{&(0x7f0000002c80)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000002dc0)=[{&(0x7f0000002d00)=""/90, 0x5a}, {&(0x7f0000002d80)=""/45, 0x2d}], 0x2, &(0x7f0000002e00)=""/224, 0xe0, 0x7}, 0xfffffffffffffff8}, {{&(0x7f0000002f00)=@generic, 0x80, &(0x7f0000003440)=[{&(0x7f0000002f80)=""/164, 0xa4}, {&(0x7f0000003040)=""/88, 0x58}, {&(0x7f00000030c0)=""/183, 0xb7}, {&(0x7f0000003180)=""/194, 0xc2}, {&(0x7f0000003280)=""/238, 0xee}, {&(0x7f0000003380)=""/140, 0x8c}], 0x6, &(0x7f00000034c0)=""/64, 0x40, 0x1}, 0x909}], 0x6, 0x2, &(0x7f0000003680)={0x77359400}) [ 612.163086] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:38 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:38 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfc00]}}, 0x1c) 2018/05/07 00:19:38 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x700]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:38 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x107d}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f00000ba000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x5, 0x0, 0x0, 0x0, 0x1}], {0x95}}, &(0x7f000031cff6)='syzkaller\x00', 0x5c6e, 0xfb, &(0x7f00001a7f05)=""/251}, 0x48) pwrite64(r0, &(0x7f0000000000)="75575b9a286a0ddd28a4f63c6c4ef10a5264b06dd7f17a6a72a11c6ae61006fec2e187e1e277cb004119b7b92403e6864b71b8c3a44a24710d92595930746a0a55ffb3663105846d961d96a1bce09d93780d71c3260cab09afaeb4e7928d77597199a81bf1da041a3e4655b2057cbdf17df9f196d2a14107c177c30c79ac41da64f7533aafe85340502644896fc55e6fd975551013bc01fa58351cf08996", 0x9e, 0x0) 2018/05/07 00:19:38 executing program 2: r0 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x48000000, 0x8000) bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xfffffffffffffffd, 0x400, 0x0, 0x40, 0x80000000000, r0}, 0x4b9) bpf$PROG_LOAD(0x5, &(0x7f0000000540)={0x8, 0x5, &(0x7f0000346fc8)=ANY=[@ANYBLOB="072c00000000000000000000711000000000000000000000000000009500000000000000"], &(0x7f0000000000)="5d3f33a6f1348559836217e1486e03a718d190c8b2ac5471466bc1de8d70d1edd19f4de5881b896a00e4832b76b108a3c547e22fe757fe19f09a3f991f97aec6556bf014860abbdd07afd2abd3f7cbfe2fd9fe2c776f92b90e", 0x1ff, 0xfb, &(0x7f00001a7f05)=""/251}, 0x48) [ 612.395102] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 612.438845] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:39 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:39 executing program 2: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r0, 0x80045300, &(0x7f0000000040)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000180)) 2018/05/07 00:19:39 executing program 3: syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0xff, 0x20000) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000498000)={&(0x7f0000d55000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000000108c637e1d3c7f3cd723b1f00000000000000007033db5ac9000000f6a043af34a5835f8b015788397faa7377ff6d92f93019a3e6615c8cd65e69cadb74ee920154f4e2f67e3804b1355833b36fe7f83a99a67d13b6727ed4", @ANYRES32=0x0], 0x228}, 0x1}, 0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x0, 0x200080) ioctl$SNDRV_TIMER_IOCTL_TREAD(r1, 0x40045402, &(0x7f0000000100)=0x1) 2018/05/07 00:19:39 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xffffff8d]}}, 0x1c) 2018/05/07 00:19:39 executing program 1: openat$vnet(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-net\x00', 0x2, 0x0) eventfd(0x5) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x2, 0x101000}) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000140), &(0x7f0000000200)=0x4) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000000040)={0x1, r0}) lsetxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)=@known='system.posix_acl_default\x00', &(0x7f00000000c0)="0200000001000000000000000100050000000000", 0x6e, 0x0) 2018/05/07 00:19:39 executing program 7: r0 = socket$inet6(0xa, 0x1001000000080001, 0x0) mmap(&(0x7f000000e000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x51b000, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x1}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000100)=@assoc_value={r2, 0x240000000000000}, 0x8) getsockopt$inet6_buf(r0, 0x29, 0x40, &(0x7f000000e000)=""/84, &(0x7f0000000000)=0x54) 2018/05/07 00:19:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xb400]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:39 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x2300]}}, 0x1c) shutdown(r0, 0x1) [ 613.290497] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 613.301577] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:39 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x40000000]}}, 0x1c) 2018/05/07 00:19:39 executing program 7: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000a7aff1)='/dev/sequencer\x00', 0xa01, 0x0) write$sndseq(r0, &(0x7f0000000300)=[{0x5, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @quote={{}, 0x0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @control}}}], 0x30) getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x0, 0x487, &(0x7f0000000000), &(0x7f0000000040)=0x30) 2018/05/07 00:19:39 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000200)) ioctl$KVM_SET_PIT(r1, 0x8048ae66, &(0x7f0000000600)={[{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}]}) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) 2018/05/07 00:19:39 executing program 2: ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000100)=0x0) ptrace$setregset(0x4205, r0, 0x202, &(0x7f00000002c0)={&(0x7f00000001c0)="c788ecf05101e0341e8869080f46ed1005209ae4e02b0cc3e7a01ec49f44fd20957064c46f7645acb0c304e835639a49b5d67376d64c9366cfc0d07cdcc736dc9719657f6179a3672dada0544dc5b017131664954c8fb115bbc9625b6ef3b5a7a400bf4da536e7bea71e401d6ecc3ff1a80b5b60e451eb767d23d10d5c48c788110ea883d5a8f733b66e75b4a4bac81827117780f0e65ac0b57392f90c14488c617fb7d1cf08da96f2a693148bc734014ceb92859ab750f255782ffda63e90f313a917", 0xc3}) 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) write(0xffffffffffffffff, &(0x7f0000000000), 0x0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000300)='/dev/null\x00', 0x20000, 0x0) ioctl$sock_ipx_SIOCAIPXITFCRT(r2, 0x89e0, &(0x7f0000000340)=0x8) syz_emit_ethernet(0x3e, &(0x7f0000000180)=ANY=[@ANYBLOB="ff65ffffffffffffffffffff0800450000300000000000009078ac1414bbac1414000b0090786ca00000450000000000000000000000ac1414aaac8bf8ac"], &(0x7f0000000140)) r3 = memfd_create(&(0x7f00000000c0)='&mime_type$(vmnet1eth0wlan0+)]\x00', 0x1) ioctl$LOOP_CHANGE_FD(r3, 0x4c06, r1) ioctl$SG_SET_TIMEOUT(r1, 0x2201, &(0x7f0000000080)=0xf800000000000000) socketpair(0x14, 0x1, 0x0, &(0x7f0000000040)) 2018/05/07 00:19:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha256\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) fstatfs(r1, &(0x7f0000000240)=""/83) r2 = socket$vsock_stream(0x28, 0x1, 0x0) r3 = dup2(r2, r0) dup3(r0, r1, 0x80000) creat(&(0x7f00000002c0)='./file0\x00', 0x104) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_CONFIG(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="bc000601", @ANYRES16=r4, @ANYBLOB="020327bd7000fddbdf250d00000008000400000400002000030014000600fe800000000000000000000000000014080007004e20000008000500feffffff30000300080003000400000008000400b600000008000500e000000114000200627269646765300000000000000000003400030008000500e00000020800040080000000080007004e220000080007004e240000080007004e24000008000400000000000c00010008000200060000000800050000000000"], 0xbc}, 0x1, 0x0, 0x0, 0x40000}, 0x4) 2018/05/07 00:19:40 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 613.441173] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:40 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xff00000000000000]}}, 0x1c) 2018/05/07 00:19:40 executing program 7: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x80000, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'team0\x00', 0x0}) setsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f00000000c0)={@local={0xfe, 0x80, [], 0xaa}, r1}, 0x14) perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x1, 0x8010000400000084) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x1e, &(0x7f0000000000), 0x4) 2018/05/07 00:19:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001480)={0x26, 'skcipher\x00', 0x0, 0x0, 'cfb(cipher_null-generic)\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000080)='\t', 0x1}], 0x1, &(0x7f0000001500)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r1, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x80, &(0x7f0000000000)=[{&(0x7f00000003c0)=""/4096, 0x1000}], 0x1, &(0x7f0000001400)=""/6, 0x6}, 0x0) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x1000004, 0x20033, r1, 0x0) 2018/05/07 00:19:40 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 613.699601] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:40 executing program 2: futex(&(0x7f000000cffc), 0xa, 0x0, &(0x7f0000b7dff0), &(0x7f0000000000), 0x0) recvmsg(0xffffffffffffff9c, &(0x7f00000003c0)={&(0x7f00000001c0)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000240)=""/31, 0x1f}, {&(0x7f0000000280)=""/207, 0xcf}], 0x2, 0x0, 0x0, 0x9b1}, 0x40) bind$nfc_llcp(r0, &(0x7f0000000400)={0x27, 0x0, 0x2, 0x6, 0x9, 0x8, "38c252625da1159d80ff42a2ee0cfc4fee1b45b8553ba7ab74744b16ab2fd3951354e23b0ee857d1caad1018160e63d83be5065cd38ff42ce6575188bff676", 0xc}, 0x60) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0xaae, 0x5499c3) openat$cgroup_procs(r1, &(0x7f0000000080)='tasks\x00', 0x2, 0x0) getpeername$packet(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000100)=0x14) ioctl$sock_inet6_SIOCDELRT(r1, 0x890c, &(0x7f0000000140)={@remote={0xfe, 0x80, [], 0xbb}, @mcast2={0xff, 0x2, [], 0x1}, @mcast1={0xff, 0x1, [], 0x1}, 0x80000001, 0xf46, 0x5, 0x100, 0x80000000, 0x40000008, r2}) 2018/05/07 00:19:40 executing program 1: ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000004c0)=0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) rt_sigaction(0x19, &(0x7f0000000040), &(0x7f0000000080), 0x8, &(0x7f0000000140)) sched_setaffinity(r0, 0x8, &(0x7f0000000500)=0x3e85) bind$inet(0xffffffffffffffff, &(0x7f000099e000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x882, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000100)={0x0, 0x3}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000300)={r2, 0x4000000000000000}, 0x8) clock_gettime(0xffffffffffffffff, &(0x7f0000000040)) r3 = getpid() r4 = syz_open_procfs(r0, &(0x7f0000000640)='net/nfsfs\x00') ptrace$poke(0xffffffffffffffff, r3, &(0x7f00000001c0), 0x5) mount(&(0x7f0000000200)='./file1\x00', &(0x7f0000000240)='./file1/file0\x00', &(0x7f0000000280)='cgroup2\x00', 0xc0, &(0x7f00000002c0)="83757e53a6d6d6368c682ac46a09c9de0a0521") mkdir(&(0x7f0000000080)='./file0\x00', 0x0) listen$netrom(r4, 0x20) r5 = syz_open_procfs(0x0, &(0x7f0000000380)="2f6578650000000000ff070000ddd9f191be10eebf000ee9ff0700000000000054fa07424adee916d2da75afe70b35a0fd6a1f349572d226d7a075fb35331ce39c5a3568641006d7c0206a74e33326cb16a175350e730ab2bce682b69d603fc05ead7fb5180de13a74155d8560fe23dfbba10724631067f955b8810f3402053f95a8798b0e3749d9c79cdd5f62547e59ab4352ab0a3827384665fd2c16ea53e5e2a1dc065b53520b9cd4eb30edc0f70cb82149f8ff5b628eabf1a9ab91915a78b5cb259f4a0fbfab4dacbd68f077") syncfs(r5) mount(&(0x7f0000000340)='./file1\x00', &(0x7f0000015ff8)='./file0\x00', &(0x7f000001fffa)='ramfs\x00', 0x0, &(0x7f000001f000)) r6 = syz_open_dev$sg(&(0x7f0000000240)='/dev/sg#\x00', 0x0, 0x0) ioctl$LOOP_CHANGE_FD(r6, 0x4c06, 0xffffffffffffffff) 2018/05/07 00:19:40 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000280)='/dev/adsp#\x00', 0x7, 0x2300) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffff9c, 0x84, 0x7c, &(0x7f00000002c0)={0x0, 0x4, 0x2}, &(0x7f0000000300)=0x8) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000340)={r2, @in={{0x2, 0x4e21, @broadcast=0xffffffff}}}, 0x84) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(cast5)\x00'}, 0x58) r3 = syz_open_dev$audion(&(0x7f0000000240)='/dev/audio#\x00', 0x5, 0x142) ioctl$KIOCSOUND(r3, 0x4b2f, 0x1) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000052000)="2113000000", 0x5) r4 = accept$alg(r0, 0x0, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000200)={r5, 0x28, &(0x7f00000001c0)}, 0x10) sendmsg$unix(r4, &(0x7f0000000080)={&(0x7f0000000100)=@abs, 0x6e, &(0x7f00000026c0)=[{&(0x7f00000016c0)="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", 0x1b0}], 0x1}, 0x0) readv(r4, &(0x7f00006e8ff0)=[{&(0x7f000070bf52)=""/174, 0xfffffde9}], 0x1) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) ioctl$BLKTRACETEARDOWN(r6, 0x1276, 0x0) 2018/05/07 00:19:40 executing program 3: prctl$setname(0xf, &(0x7f0000000240)='/dev/qat_adf_ctl\x00') seccomp(0x1, 0x2, &(0x7f0000007ff0)={0x1, &(0x7f0000004fe8)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x0, 0x0) epoll_pwait(r0, &(0x7f0000000180)=[{}, {}], 0x2, 0x23, &(0x7f00000001c0)={0x1ff}, 0x8) r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0x2) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000080)={{0x1, 0x1}, 'port0\x00', 0xa1, 0x4, 0x0, 0x16, 0x5d8d, 0x1, 0x200, 0x0, 0x1, 0x968c000000000}) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) 2018/05/07 00:19:40 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:40 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xb00000000000000]}}, 0x1c) 2018/05/07 00:19:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x8a44000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:40 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x236]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:40 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x113482, 0x0) setns(r0, 0x50000000) r1 = syz_open_dev$sndctrl(&(0x7f0000000600)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r1, 0xc008551a, &(0x7f0000000080)=ANY=[@ANYBLOB="09000000100069649a6022ee07bda97acaa3b1af5f000000000000000000000000000000000000"]) [ 614.168349] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 614.192595] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:40 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x100000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:40 executing program 7: clock_nanosleep(0x3, 0x1, &(0x7f00000001c0)={0x0, 0x1c9c380}, 0x0) syslog(0x0, &(0x7f0000000540)=""/170, 0xaa) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={0xffffffffffffffff, &(0x7f0000000080)="38a5f7be21", &(0x7f00000000c0)="9b208fee35e8d87da799a1a46925a9433199083393e6aa07f438d5fff8b423d438f350e693345ed750fb931a42b28e5900bee995fbfe84ba12c119e85c0add09dc852bdf35c20745a968120f", 0x1}, 0x20) r0 = syz_open_dev$mouse(&(0x7f0000000400)='/dev/input/mouse#\x00', 0x9, 0x101480) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000001700)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000001640)=0x1008) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000001680)={r1, 0x7ff}, 0x8) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x1, 0x400, 0x1f, 0x0, 0x101}, &(0x7f0000000340)=0x14) r3 = gettid() r4 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) perf_event_open(&(0x7f0000000380)={0x4, 0x70, 0x100, 0x200, 0xe7e8, 0x5, 0x0, 0x5c44, 0x1, 0xc, 0x0, 0x5, 0x3, 0x8, 0x80000001, 0x200, 0x10001, 0x1f, 0x1000, 0xc, 0x17c4, 0x3, 0x81, 0x3ff, 0x7, 0x6, 0x7, 0x101, 0x2, 0x100, 0x7, 0x800, 0x9, 0x8001, 0x9, 0x8, 0x10001, 0x7, 0x0, 0x1, 0x7, @perf_bp={&(0x7f0000000180), 0x4}, 0x400, 0x1f, 0x1, 0x0, 0x344, 0x0, 0x2}, r3, 0x3, r4, 0x8) setsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000440)=0x9, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000480)={r2, @in={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x8000, 0x4, 0x625, 0x5, 0x30}, &(0x7f0000000040)=0x43a) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000200)={r2, @in6={{0xa, 0x4e23, 0x2, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x7}}, [0x9, 0xffff, 0x8, 0x8, 0xfffffffffffffffe, 0x1000, 0x400, 0x3f, 0x2, 0x80, 0x6, 0x4, 0x3, 0x1, 0x10000]}, &(0x7f0000000300)=0x100) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f00000016c0)=@sack_info={r1, 0x200, 0x9}, 0xc) 2018/05/07 00:19:40 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3200]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 614.303532] audit: type=1326 audit(1525652380.829:9): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 2018/05/07 00:19:40 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x8]}}, 0x1c) [ 614.363780] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 614.396444] audit: type=1326 audit(1525652380.855:10): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.416389] audit: type=1326 audit(1525652380.855:11): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.436277] audit: type=1326 audit(1525652380.868:12): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.456134] audit: type=1326 audit(1525652380.869:13): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.476044] audit: type=1326 audit(1525652380.869:14): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 2018/05/07 00:19:40 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000440)='/dev/sg#\x00', 0xfff, 0x8002) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000040)={&(0x7f000000f000/0x3000)=nil, 0x7, 0x4, 0x4, &(0x7f0000ffd000/0x3000)=nil, 0x8}) r1 = getpgid(0x0) tkill(r1, 0x2f) write(r0, &(0x7f0000000000)="b63db85e1e8d020000feff00003ef0011dcc606aed5ed2bc7018cebc9bc2feffffffffffffffe22c9b160096aa1fae1a31", 0x31) readv(r0, &(0x7f000085dff0)=[{&(0x7f0000e94000)=""/62, 0xffbd}], 0x1) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)) getresuid(&(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000200)) lstat(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000300)={0x0, 0x0, 0x0}, &(0x7f0000000340)=0xc) sendmsg$unix(r0, &(0x7f0000001600)={&(0x7f00000012c0)=@file={0x0, './file1\x00'}, 0x6e, &(0x7f00000015c0)=[{&(0x7f0000001340)="f8023dddfff3c56a932acb676e512887ab74093b716c0223dc84234085678151041c6861149a44afc61e4e37bf01cbf72208368d546deaa92c921f140bee851a3e3d4cd5564557d46a89c7d4773226662c6317a6acc05219a06dcedcfce03b86f690e90142eb3021d4256d9357d9ee2f131d0d30f53a28e15e3e8161432ad14a48dc020dfc2f523aead0951db23f3b405d7e453fa9438b4f75455e95bc49948e113215576ce4f473825378f90bd83167f3d29e878a6e026a7a595d725c82b2e2d1995066e53218d26364803519906b12b08d19f70911e9b87829edb909", 0xdd}], 0x1, 0x0, 0x0, 0x40804}, 0x20000001) r4 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000003c0)='cgroup.stat\x00', 0x0, 0x0) accept$inet6(r4, 0x0, &(0x7f0000000540)=0x1) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000001240)=@nat={'nat\x00', 0x19, 0x4, 0xe81, [0x20000380, 0x0, 0x0, 0x20000788, 0x20000950], 0x0, &(0x7f0000000080), &(0x7f0000001640)=ANY=[@ANYBLOB="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", @ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="0401000000000000736e6174000000000000000000000000000000000000000000000000000000001000000000000000aaaaaaaaaabb0000ffffffff000000006e666c6f6700000000000000000000000000000000000000000000000000000050000000000000000900000004000500000000005383fcbcca523c00e3840265e27e6711c4f3bc2e9a074fc8a0f2bbf74263f07f7e160d8d14bdfa8a7bba739720feb5b7ed98a48dafbdaf90af45432b1100c7240000000000000000000000000000000000000000000000000000000000000000000000000000000002000000ffffffff010000000000000021000000080669703667726530000000000000000000736974300000000000000000000000006970366772653000000000000000000067726574617030000000000000000000aaaaaaaaaa13000000ff00ffaaaaaaaaaabb00ffffff00ff0000e0000000600100009801000072617465657374000000000000000000000000000000000000000000000000004800000000000000626f6e64300000000000000000000000677265746170300000000000000000000400020001800000eb000000feffffff0700000000000000080000000000000001800000000000004552524f5200000000000000000000000000000000000000000000000000000020000000000000005c1f918cebbe8fe95563d4fa281e9acde75bb58e14aae3bd793ff522eed900006172707265706c790000000000000000000000000000000000000000000000001000000000000000aaaaaaaaaaaa0000ffffffff00000000736e6174000000000000000000000000000000000000000000000000000000001000000000000000d585656a51f30000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000feffffff010000001900000021000000000073797a6b616c6c6572300000000000006263736830000000000000000000000064756d6d79300000000000000000000073697430000000000000000000000000aaaaaaaaaabbffff0000ffff000000000000ff00ffff000000005808000058080000880800007533320000000000000000000000000000000000000000000000000000000000c007000000000000ad0f0000000000008100000003000000008000000300000081ffffff02000000030000000000000005a00000010000000100000001000000060000000100000071bf0000010000000b0000000000000005000000000000000200000001040000d0ffffff330900009f040000ffffff7f05000000000000008100000073770000400000000001000004000000f1025d47010000000100000001000000070000000000000004000000e6000000070000000b000000ff7fffff0200000007000000010000000500000003000000030000000000000004000000020000000400000002000000ffff00000300000001000000020000000800000003000000740000000200000001f8ffff03000000ff7f0000080000003b00000000000000040000000400000001000000ff0f0000ff0f00000700000002000000810000000200000006000000640200000004000008000000d6fffffff008000002000000ff0000000700000003040000380000000000000000020000010000000400000001000000000000000100000009000000010000007f000000010000000800000003000000ffffffff03000000080000000000000000000080000000000000000003000000040000001f000000f11700007d2500000400000009000000c970000009000000690000005c00000007000000010100000700000005000000bb0a00000400000000000000020000000800000001000000ffff000006000000010b0000dc04000001000000010000000300000001feffff00000000070000000100000019ed000002000000090000000300000002000000000000006c8d000003000000070000000100000009000000000000000000200000000000fffeffff030000000600000005000000ff030000f7ffffff00040000020000000002000003000000f83affff0700000006000000090000000080000006000000d100000000000000030000000200000009000000020000000802000004000000010000000200000000000000020000000300000000000000010000000000ffff030000000200000000000000ff00000003000000000000000300000002000000030000000100000002000000000000000100000001000000fbffffff3b080000050000000500000000080000ffffffff3c0000000000000012f0ffff3b00000000000000090000000200000006000000fcffffff09000000fdffffff0100000006000000feffffff80000000010300000700000000000000030000000000000006000000030000007f000000030000000100000002000000030000000000000006000000000000000200000001000000fa0600000000000003000000030000000a39000003000000090000000d000000030000000400000008000000000100007f000000f8ffffff09000000ff01000000200000fcffffff01000100000000000300000009000000060000005bc400009c00000009000000760300000500000004040000080000000000000001000000030000000000000000000000040000000000000003000000030000000600000001000000020000000000000001000000010000000300000003000000090000000300000000010000000000006c0000008100000008000000b223000005000000ff000000010000000600000080000000070000000700000000100000040000000300000000000000400000001f00000080ffffff020000004e00000005000000010000800b080000010100000100000006000000000000001f00000003000000090000000200000009000000030000006f04000003000000ff0700000000000000000000010000000500000003000000a20000000300000001000000030000004f1c00000400000000000000810000005249000008000000ff000000feffffff01000000000000000300000051800000fbfffffff8ffffff0300000007000000030000000010000000000000090000004b2900008100000001060000000000800100000006000000020000000300000001000000090000000000000094010000020000008100000003000000000a0000030000000400000003000000000000000200000007000000000000003f000000020000000002000000000000c80a00000100000003000000200000000200000004000000ea00000001010000ffffff7f81000000930700000600000005000000040000000500000026db0000050000001f000000170000003f00000000040000010000000200000001000000020000000700000003000000000400000300000000000080030000006d19000002000000e10b000003000000ffffffff0300000009000000000000000600000001000000010000000000000004000000070000008100000006000000ff0f00000000000003000000020000000400000040000000090000000600000040000000080000000800000003000000010001003f000000ff07000005000000010000000100000001050000525cfc6a0000000007000000030000000100000001000000e80000000300000085848d5401000000030000000000000009000000010000006c5f000002000000ff07000001000000ff7f00000200000000000000000000000900000000000000ff010000020000008000000002000000060000000000000071040000010000000000000051000000018000000000000006000000fdffffffff03000000020000ffffffff07000000050000000500000003030000000000004e4651554555450000000000000000000000000000000000000000000000000008000000000000008100000000000000"]}, 0xef9) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000380)={&(0x7f0000ffe000/0x2000)=nil, 0x0, 0x3, 0x11, &(0x7f0000010000/0x1000)=nil, 0x6}) ioctl$DRM_IOCTL_ADD_MAP(r4, 0xc0286415, &(0x7f0000000480)={&(0x7f0000ffe000/0x2000)=nil, 0xd, 0x3, 0x20, &(0x7f0000ffb000/0x4000)=nil, 0xfffffffffffeffff}) 2018/05/07 00:19:41 executing program 2: pkey_mprotect(&(0x7f0000ffc000/0x2000)=nil, 0xfaff, 0x0, 0xffffffffffffffff) get_thread_area(&(0x7f0000000000)={0x72d8, 0x20001000, 0x1400, 0x6, 0x8, 0x0, 0x5, 0x7, 0x5, 0x3}) [ 614.495901] audit: type=1326 audit(1525652380.869:15): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.515833] audit: type=1326 audit(1525652380.869:16): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 [ 614.535692] audit: type=1326 audit(1525652380.869:17): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 2018/05/07 00:19:41 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:41 executing program 2: [ 614.555578] audit: type=1326 audit(1525652380.869:18): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=3720 comm="/dev/qat_adf_ct" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x455979 code=0x50000 2018/05/07 00:19:41 executing program 1: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000340)='/dev/audio\x00', 0x1, 0x0) ioctl$KVM_IRQ_LINE_STATUS(r0, 0xc008ae67, &(0x7f0000000380)={0x5, 0x800}) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = syz_open_dev$audion(&(0x7f0000000280)='/dev/audio#\x00', 0x66, 0x400003) r3 = add_key$keyring(&(0x7f00000002c0)='keyring\x00', &(0x7f0000000300)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff8) add_key(&(0x7f0000000000)='id_legacy\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000200)="e5cbfea23936cd0a20c16186276c6d3b0bc1a96ace62a86e5b24f87b17b4a007fd346128d695e583a9986cb0ea074f31b0ad0d773ceb0eb385f053507bd006067cc23eaa7e7610f57fbb5ae974f201fdee19cca730027fac03a2bd9d7fe346", 0x5f, r3) ioctl$SG_SET_COMMAND_Q(r2, 0x2271, &(0x7f0000000100)=0x1) r4 = dup(r1) bind$inet6(r4, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r1, &(0x7f0000e77fff), 0x2bd, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r5 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r5, 0x7fff) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000080)={"6c6f0000ffffff9f0000ddff00", 0xfffffffffffffffd}) sendmsg$FOU_CMD_ADD(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x14, 0x0, 0x0, 0x0, 0x0, {0x1}}, 0x14}, 0x1}, 0x1) 2018/05/07 00:19:41 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xaaaa000000000000]}}, 0x1c) 2018/05/07 00:19:41 executing program 3: prctl$setname(0xf, &(0x7f0000000240)='/dev/qat_adf_ctl\x00') seccomp(0x1, 0x2, &(0x7f0000007ff0)={0x1, &(0x7f0000004fe8)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x0, 0x0) epoll_pwait(r0, &(0x7f0000000180)=[{}, {}], 0x2, 0x23, &(0x7f00000001c0)={0x1ff}, 0x8) r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0x2) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000080)={{0x1, 0x1}, 'port0\x00', 0xa1, 0x4, 0x0, 0x16, 0x5d8d, 0x1, 0x200, 0x0, 0x1, 0x968c000000000}) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) 2018/05/07 00:19:41 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0xa303000000000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001c0007cfbf31b80f0000000075feea69cfa85c62b589efd46d07000000", @ANYRES32=r1, @ANYBLOB="060000000a000200aaaaaaaaaaaa0000"], 0x28}, 0x1}, 0x0) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_group_source_req(r2, 0x0, 0x2b, &(0x7f0000000280)={0x3, {{0x2, 0x4e22, @multicast1=0xe0000001}}, {{0x2, 0x4e24, @loopback=0x7f000001}}}, 0x108) accept$inet(r2, &(0x7f0000000040)={0x0, 0x0, @remote}, &(0x7f0000000080)=0x10) 2018/05/07 00:19:41 executing program 2: getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x27, &(0x7f0000000200)={@rand_addr, @multicast1, 0x0}, &(0x7f0000000240)=0xc) bpf$PROG_LOAD(0x5, &(0x7f00000ba000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x7, 0x1f, 0x1, 0x1, 0x1}], {0x95}}, &(0x7f0000000040)='syzkaller\x00', 0x5c6e, 0xfb, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [], r0}, 0x48) r1 = syz_open_dev$admmidi(&(0x7f0000000940)='/dev/admmidi#\x00', 0x8, 0xfffffffffffffffe) r2 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCETHTOOL(r2, 0x89f0, &(0x7f0000000040)={'bridge0\x00', &(0x7f0000000140)=ANY=[@ANYBLOB="0e0000000000000000000000000000d6"]}) sendmsg$kcm(r1, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000640)=[{&(0x7f0000000400)="1e486d4e1545ba820feffa0d6699e55b5a57a04dd5dcc143760f2b1ba07233d3da4e2ec421eb6cdefbf17dfae8dffb3b89aee4c35b0c4702cd5c1ab24a98c66ce30095e86a23f3daa637a0e09c5379518d6a6a292e46c647031e280e1cfbf682d3caf875c0ac036dc085673b3e19a45f4c6b1dfe5040cb780a2cbeb13730fedfe1e158417c0c2690e3d9eac2", 0x8c}, {&(0x7f00000004c0)}, {&(0x7f0000000500)="868f7e920e46ab601e8009ae8c2d801cc7221ed7806a1bc66d300aab2828104bf8521e902f6f204abd1b100804ec9d150de01f285447aeb9b76011359db9cae64c16bcd21e5657dc2dc48a7a350ac17efb76a414a6309349d12e4b01d14f8b024ca4f68733c89d4aa50dc8f32bc7fe366714a097308336", 0x77}, {&(0x7f0000000580)="83f1581fa48ca04dbe4426babfd2e78ac202ef097a1bac7b7bcb555b89e12239089bcaeb9078f42411a5ea60c59c9c136049f1572f0db6056a59c3db83211df4fc9781f7d4926109e1bf1e606c74528c8fa97fceea526dcab9c4ae96f2ec297822a3512fb8ae5417403c04ffc65361fdfc67afa8cf479743816e1cf15b3f551a1725202e6973e201f0cb2c1846b8f84e26155a8ccdb8ca45ee6d92413cd77334a115a629b4a3c15f83a7d2", 0xab}], 0x4, &(0x7f0000000680)=[{0x58, 0x11f, 0xfff, "2884cd5e3123c210397ed0806e279c7556d39881fb27518664c67ab686096f461c9009ee55ce8255535b75e4e86e90d7b38b7a2bfc2309d46c594b05cf23766a3df6b28fed81d8"}, {0x20, 0x117, 0x4bb2, "6a1e8ae9d72e93c388e0df3e"}, {0xd8, 0x0, 0xc8, "077ba89a745d150ce26c1f9ba6d8778498064e0953806572f03c99a6979093a30a2d1beceb9761b0aa762fd4631aee8341869d1019b345acc56b069a8b58356339a33e44c3628b89a245045df06ca44e527af64f8ea40bd1452844ca28395d0db235ca6fb9f4d657e397d9364f0b205e30ef07b2ae051e4635b0179cd80784db915daf31a12036778b57f9687e92e4c652b14f58f4075f5f717c2dd0f9ed073577db371e3b460765aeb6729fcf37ca62a96a31649cf5cd5927ff8d369831c5e5fbc034959dc6"}, {0xa8, 0x115, 0x401, "97b9e7ff83cc498c5279f5b6176715d7286307530393ae16d51faaa529ff9712e3a8dffe1603c93c3ce140b45b574d0315eaff096ddfd0f96a1973541ef4527c79ea005f61b0d9f3536343231d9261f979d151b7cc8790d3c929cdc83e27fc863a917837ae6eee9dea94360179464476a68a3460c12890c062246c7b6f6bd46d29d43c57b09a473064238d08b7af9c6c4e7f9b5a"}, {0x60, 0x0, 0x20, "b6c2444b56df39a2b539a2c35dadeeda6ed59d0173e9fffa5eae8ec531fcfd35aedee950744eb7c75cf82ed1f3e1c2b960f7283c9ea3e0e0981f2b3843214d9dfb6587af28095579e2"}], 0x258, 0x2400c810}, 0x8004) r3 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x0) sendmsg$alg(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000080)="d0abfafd1a49123726f09857afdfe2d85593edbe06968eaa5aba008e570d53f7cfd178a55136493aa01d72d980501c0ffa65e29e5fe3afc0d51f9cc15032171a7256548b885e7b595d89b4b83bf94c7725d3e4945548ec8861740ac723a739194e01ebe96b36bfbb4ab10f1c39683eabacb7230b767540bd6cc2e3e3feb1f6", 0x7f}, {&(0x7f0000000100)="5d2f554748b43441daae7d288dda19424e6f94e8e33969bc63f5e0b05cd3112c6d56deee3f2603de2cc6a2e70e4afcc9f7c303dabc0eec27b650b4be1094bfbe02ae7d182d73fb032825aa5c12089a0d4967be3150e190c610094024d3e1d2f326cc003d079c0e32ae6560013762839b01041f004f2201c0a0fbb96caa8c2c07b313f5fb1481c6202073b40eb40561f5918c9fcfef06c1513657bc9ca4b02f356458735c472ebac9e1abde182815", 0xae}, {&(0x7f0000000980)="2e3a66448af99b9cfdbe887701505eb2e972deed4efef4792b5a436dc4a663301e8528209bb35d956c710b8a05a65d8f3be2486d912ef3e43503fef30afe8aa10df8627c3243e3220fe9d3d7caabd2be423c70c990b84ace67dd14ae2d91c7d482949c7b28764043bc85b3b7f69bb183a6e9d0b7d7ebf613362d99925fbc2ad2c8cbfa3e23972f482442a3e8e53721c7b6c68b3fb919cd9baf1095b4467023d95845e5cbe78647705957dd40ac2be19a174044d6e23bef28b07f124d3891aeba2916ad77112fb458856c3864bced694d31c2fdbcf924606c1d6046c21d6ec1dcfd1ddc4e82f74d7f69491e8bafc3e4e4429f", 0xf2}], 0x3, 0x0, 0x0, 0x890}, 0x20000000) [ 614.744895] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 614.798434] netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. [ 614.856866] netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. 2018/05/07 00:19:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3602000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:41 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:41 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x40000020]}}, 0x1c) [ 615.033628] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 615.645780] device lo entered promiscuous mode [ 615.650629] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready 2018/05/07 00:19:42 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd100000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x6c04000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r0, &(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='net/netlink\x00') perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={0x0, 0x1000, "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"}, &(0x7f0000000140)=0x1008) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000180)={r2}, 0x8) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000023000)={&(0x7f0000024000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)=ANY=[]}, 0x1}, 0x0) read$eventfd(r1, &(0x7f0000000200), 0x8) 2018/05/07 00:19:42 executing program 2: rt_sigaction(0x34, &(0x7f0000000080)={0x20, {0xda}, 0x80000000, 0x8}, &(0x7f00000000c0), 0x8, &(0x7f0000000100)) r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x3, 0x0, @loopback={0x0, 0x1}}], 0x1c) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x3, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000000), &(0x7f0000000040)=0x10) 2018/05/07 00:19:42 executing program 7: perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x70, 0x1e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$sg(&(0x7f0000d08ff7)='/dev/sg#\x00', 0x0, 0x40a81) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x480302, 0x0) r1 = geteuid() r2 = getgid() fchownat(r0, &(0x7f0000000040)='./file0\x00', r1, r2, 0x400) ioctl$TUNSETLINK(r0, 0x400454cd, 0x0) 2018/05/07 00:19:42 executing program 3: mremap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) r0 = accept4$nfc_llcp(0xffffffffffffffff, &(0x7f0000000040), &(0x7f00000000c0)=0x60, 0x80800) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r0, 0x118, 0x1, &(0x7f0000000100)=0x9, 0x4) r1 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt(r1, 0x2000000000010d, 0xc, &(0x7f0000999000)=""/4, &(0x7f0000000000)=0x4) r2 = syz_open_dev$amidi(&(0x7f0000000580)='/dev/amidi#\x00', 0x3a5, 0x218400) setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f00000005c0)=0x40, 0x4) 2018/05/07 00:19:42 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe803000000000000]}}, 0x1c) 2018/05/07 00:19:42 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:42 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 615.887250] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 615.904904] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 615.925947] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:42 executing program 3: mmap(&(0x7f0000000000/0xddf000)=nil, 0xddf000, 0x0, 0x32, 0xffffffffffffffff, 0x0) timer_create(0x0, &(0x7f00000002c0)={0x0, 0x12, 0x3, @thr={&(0x7f0000000180)="03e8b7123e01f3be135090ad598fa73d4b1832e895cf0d5951b65f356c3013f680f62dccf6df5deb1914183693ba7f31ee2814faeee5d81526c70170d841032c4cb391cacfe663bea66832d8448b6506569f92658dc595535c17b17916c2ddac2199a14e34c6b525b0f9abffc5168ca98366b34977", &(0x7f0000000200)="55e50ea8832ffc37e4b7c67f47ed462fb359b33a5c2a1bf2c618668af1a48fc9fe23fae29447f4e04488c0cfa6664262db17245d40c9cf4e96ebdce88df903030c79d0ce18fe06c9ecd11a19253d7f68e24de8e24b20622e99c21c1066478c8d7756df9136fc27176ecbe36096e90a822d3f11c5dbfdeefe8bc44f270fcf6b2683f72c122dd78a1afef5358224274267e5c4cf0ee00d8c94bd28cc51515ea8245640bfc66b0e57ef"}}, &(0x7f0000000140)) r0 = accept(0xffffffffffffff9c, &(0x7f0000000000)=@can={0x0, 0x0}, &(0x7f0000000080)=0x80) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f00000000c0)={0x8}, 0x4) setsockopt$IP_VS_SO_SET_ADDDEST(r0, 0x0, 0x487, &(0x7f0000000300)={{0x7f, @remote={0xac, 0x14, 0x14, 0xbb}, 0x4e23, 0x4, 'wrr\x00', 0xc, 0xca, 0x2c}, {@rand_addr=0x5401, 0x4e21, 0xf0f86927ca506216, 0x5, 0x1f, 0x4}}, 0x44) ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000000400)={@dev={0xfe, 0x80, [], 0x10}, @remote={0xfe, 0x80, [], 0xbb}, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x4, 0x81, 0x1, 0x100, 0x46b3, 0x40020004, r1}) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000100)={0x400}, 0x4) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000380)='/dev/nullb0\x00', 0x80000, 0x0) ioctl$BLKRAGET(r2, 0x1263, &(0x7f00000003c0)) sysfs$3(0x3) 2018/05/07 00:19:42 executing program 1: r0 = mq_open(&(0x7f0000000080)='bdev\x00', 0x41, 0xc4, &(0x7f00000000c0)={0x3f, 0x6, 0x94, 0xffffffff, 0x3, 0x5d6e0193, 0x1, 0x4}) close(r0) mq_open(&(0x7f0000000240)='}eth1\x00', 0x80, 0x20, &(0x7f0000000280)={0x10001, 0x7ff, 0x2, 0x9, 0x3c75, 0x7fff, 0x1, 0x81}) mq_timedsend(r0, &(0x7f0000000000)="e1bd6cd0affe34321df09a6d21a1b6923c8789fbec2ea693ba8964b3fe243e2d42cdc1b9eef3721daa36ba559839d6", 0x388, 0x3, &(0x7f000002eff0)={0x1000000000, 0x989680}) r1 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0xd736, 0x40000) setsockopt$bt_rfcomm_RFCOMM_LM(r1, 0x12, 0x3, &(0x7f0000000100)=0x68, 0x4) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000180)={0x0, 0xffff, 0x30, 0x10001, 0x6}, &(0x7f00000001c0)=0x18) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000200)=@assoc_value={r2, 0x1}, 0x8) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000140)={0x400, 0x6, 0x665, 0xff, 0x6}, 0x14) 2018/05/07 00:19:42 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x84) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$bt_hci(r0, 0x84, 0x14, &(0x7f0000000080)=""/4096, &(0x7f0000000040)=0x1276) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000001080)={0x1, {{0xa, 0xffffffff, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x20000000}}}, 0x88) 2018/05/07 00:19:42 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x700000000000000]}}, 0x1c) 2018/05/07 00:19:42 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2100]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:42 executing program 3: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000000)=0x0) r1 = getpgid(r0) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sched_setscheduler(r1, 0x5, &(0x7f0000000140)=0x80000000) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f0000000180)="91c13b501d028ae3d778e08cc6ac2a9652c7bfccca009a5c76b4819cf18e859a4583f4abf1cb0a081156ea5ed845e8eb7637ef894eb404f62dbed8a825b35e544821f8b656e72d7b50fa82fb037151b08479") ioctl$DRM_IOCTL_INFO_BUFS(r2, 0xc0106418, &(0x7f00000000c0)={0x2, 0x0, 0x401, 0x80, 0xb1e5a404f38e61da, 0x9}) r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x2, 0x0) r4 = open$dir(&(0x7f0000000200)='./file0/bus\x00', 0x8088040, 0xffffffffffffffff) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f000000fff8)='./file0\x00', &(0x7f0000032ffb)='fuse\x00', 0x7ffbf, &(0x7f0000032000)) ioctl$KVM_ASSIGN_SET_MSIX_NR(r3, 0x4008ae73, &(0x7f0000000600)={0x4, 0x9}) pread64(r4, &(0x7f0000000240)=""/238, 0xee, 0x0) 2018/05/07 00:19:42 executing program 7: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000440)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$VHOST_SET_FEATURES(r0, 0x4008af00, &(0x7f0000000200)=0x208000000) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha256_mb\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000080), 0x0) io_setup(0x6, &(0x7f0000000080)=0x0) io_submit(r2, 0x1, &(0x7f00000001c0)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f00000000c0)="0a20873cfa2d1bae8e6889f4264bc998abf9983affee1a9056aaabf84e5a4b339c2413d514dc9b35ca673d733fb45ff3a7df37d670762a8d51c7a45d14a01a03c85cb45c56dc61b7", 0x48}]) r3 = gettid() timer_create(0x0, &(0x7f0000000040)={0x0, 0x12, 0x0, @thr={&(0x7f0000000080), &(0x7f0000000100)}}, &(0x7f0000000180)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x1c9c380}, {0x0, 0x9}}, &(0x7f0000040000)) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x10000, 0x0) ioctl$ION_IOC_HEAP_QUERY(r4, 0xc0184908, &(0x7f0000000140)={0x101, 0x20, 0x1, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f0000000240)={0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000280)=0x1c) setsockopt$RDS_RECVERR(r5, 0x114, 0x5, &(0x7f00000002c0)=0x1, 0x4) tkill(r3, 0x15) [ 616.112007] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:43 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x40020000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:43 executing program 7: getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f00000000c0), &(0x7f000005c000)=0x4) r0 = syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0x0, 0x0) ioctl$int_out(r0, 0x1, &(0x7f000005bff8)) r1 = memfd_create(&(0x7f0000000000)='+},eth0\x00', 0x2) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000040)={0x9, &(0x7f00000001c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) 2018/05/07 00:19:43 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff84]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:43 executing program 2: r0 = memfd_create(&(0x7f0000000040)="6465762046a80d01bed3c1e1c85fe2dbef94a677a99248217280a42d688043cc913ddb112187ee23355083fc8a1eed8f3d1a468b405da49550403420a5685e12afb758b1bfcf91d09bfe61b023e1b04f2f8e23a38e1ef575997d875079d8275500cf932de25ff116808e0097e9a30f89ffec73d758337ba4ecfe26e0709dceb3bc100af911f29826293f7e6d4cbbb7fa03189e2fd5b9461150c1f6c46be2eddd2f84ce8136164ee052fdf7c5919654885d693f6c70f489b3c92b5e11885fb22b0eef3f33160056b93855cb84bf62730fd9afe77c1b8d7b0b9dcc2a7566f6067be13c15bbbc440e796acc56b204c7", 0x0) write(r0, &(0x7f0000000000)="02", 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xfffe) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000002, 0x8031, 0xffffffffffffffff, 0x0) getpeername$packet(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000340)=0x14) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x0, &(0x7f00009ecff8), 0x2, 0x3) setsockopt$IPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000380)=ANY=[@ANYPTR=&(0x7f00000003c0)=ANY=[@ANYBLOB="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"]], 0x1) mbind(&(0x7f0000656000/0x3000)=nil, 0x3000, 0x3, &(0x7f00000002c0)=0x2000000afb, 0x1ff, 0x0) ioctl$UFFDIO_UNREGISTER(0xffffffffffffffff, 0x8010aa01, &(0x7f0000000140)={&(0x7f000076d000/0x1000)=nil, 0x1000}) 2018/05/07 00:19:43 executing program 3: socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f00000004c0)={0xffffffffffffffff, 0xffffffffffffffff}) listen(0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000000c0)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) r2 = getpid() sched_setaffinity(r2, 0x8, &(0x7f0000d4b000)=0x2) r3 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/cuse\x00', 0x2, 0x0) ioctl$KDMKTONE(r3, 0x4b30, 0x4) connect$unix(r3, &(0x7f0000000200)=@abs={0x1, 0x0, 0x4e21}, 0x6e) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000100)={@mcast1={0xff, 0x1, [], 0x1}, 0x81, 0x2, 0x2, 0x4, 0x97, 0x1, 0x4}, 0x20) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r1, 0x402c5342, &(0x7f0000000180)={0x40, 0x0, 0x5, {}, 0x2, 0xf32c}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r1, 0x40605346, &(0x7f0000000000)={0x800}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer2\x00', 0x0, 0x0) 2018/05/07 00:19:43 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3355b92900000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:43 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x400000000000000]}}, 0x1c) 2018/05/07 00:19:43 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000001000)={0x0, @in6={{0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}}}, 0x98) getsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000001000)=""/144, &(0x7f00006efffc)=0x90) r1 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f0000000000), 0x80000) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000000c0)={0x0}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000180)={r2, 0x1000}, 0x8) setsockopt$inet_mreq(r1, 0x0, 0x24, &(0x7f0000000100)={@loopback=0x7f000001, @multicast2=0xe0000002}, 0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffff9c, 0x84, 0x7c, &(0x7f0000000040)={0x0, 0x0, 0x7c}, &(0x7f0000000080)=0x8) socket$unix(0x1, 0x7, 0x0) 2018/05/07 00:19:43 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 617.150394] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 617.163562] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 617.176274] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:43 executing program 7: r0 = socket$inet6(0xa, 0x40000080806, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000140)={0x1, &(0x7f0000000040)=[{}]}, 0x0) 2018/05/07 00:19:43 executing program 1: prctl$intptr(0x8, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00009e3ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x1009}) syz_open_pts(r0, 0x80100) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000000)={0x6, 0xf2, 0xfb, 0x4, 0xa0ea, 0x679, 0x1, 0x0, 0x100000000, 0xfffffffffffffff8, 0x0, 0x400}) 2018/05/07 00:19:43 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x28000000]}}, 0x1c) 2018/05/07 00:19:43 executing program 7: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf02, &(0x7f0000000280)) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x80, 0x0) connect(r1, &(0x7f0000000040)=@l2={0x1f, 0x10001, {0xfffffffffffffffb, 0x8ed2, 0x3, 0x5, 0x4, 0x8}, 0xc43f, 0x8}, 0x80) r2 = eventfd(0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000100)={0x4, &(0x7f00000000c0)=[{0x0}, {}, {}, {}]}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000140)={r3, 0x1}) ioctl$VHOST_SET_LOG_FD(r0, 0x4004af07, &(0x7f0000000340)=r2) dup2(r2, r0) 2018/05/07 00:19:43 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3200000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 617.379484] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x1a) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) writev(r0, &(0x7f0000000480)=[{&(0x7f0000000340)="29000000200019fff61f4714000000060aa789faff3315de0005190000040d000c000000800000f9002774ad68c7598779d080a065e197a3af61509eb5e72594c837337b33916c8200edd796dc7e2c44ca3f6cdc7ae62ba60a3f7ac22c3dd7b5a5086b066272c77eaae0b54472b5cab66c678a76a24bc7a339df8b26c5cc281761c7db3cf902bca5cad512b76036eeb0222c551e2dcdbd5f95fcdbaa3b03ef998233ad528203e652b2a9469ac078fe35cf8bbcf07dbd3cf69188ee93ce103df37b1ba269eb814a4df8866d3c223406bc2926a7a140f406595b10385cbad3524feb69fb97e10aa4cb08b89147969509c40b95", 0xf2}], 0x1) r1 = syz_open_dev$adsp(&(0x7f0000000300)='/dev/adsp#\x00', 0x400, 0x4000) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f00000000c0)=ANY=[@ANYBLOB="07000000000000000a004e210b030000fe8000000000000080000000000000aa010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000030000000a004e2307000000fe80000000000000000000000000001c02000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2003000000fe8000000000000000000000000000aa00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2009000000fe8000000000000000000000000000180000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x210) 2018/05/07 00:19:44 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xf401]}}, 0x1c) 2018/05/07 00:19:44 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xff000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:44 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = creat(&(0x7f0000015ff4)='./file0/bus\x00', 0x0) getsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000140), &(0x7f00000001c0)=0x8) ioctl$TCSETA(r0, 0x4030582a, &(0x7f0000000180)={0x0, 0xfffffffffffffffd}) pwrite64(r0, &(0x7f0000000040)="fc3fbfd73e8e279bfb9c3b2df947d3ea265dbe75d4f63ec4de3b6b09cc98f5d1de897a5bc46ce62f50937a5271680e55c85ac8761e2112053c0eb43b6a7d5b9f579315c19127d5678d59e2e64cf913100d461a60b8a302b777771085b196db209d6f4f7920155c065fc81b91536af0f4530a4f550a8ee3aa3274bce9a4d6ca1568b9568233943f0e664eae9926735fc42049d96c8ad0e2c807888bf5444983b645f80baedc503f0dd95100b03e40ae566852f6f4b4d43a77650e75363a9cef210dc03108f4486b06142b57f3cf6fdb4ccd692f3f8a7b4b74233ef99d9a0d4074ff4834df092856a93af40b8e61a2fd", 0xef, 0x0) 2018/05/07 00:19:44 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getpeername$inet6(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, @ipv4={[], [], @remote}}, &(0x7f0000000040)=0x1c) r1 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f00000000c0)={0x0, 0x3}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000140)={r2, 0xfff}, &(0x7f0000000180)=0x8) r3 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r3, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f36000)={&(0x7f0000333f88)=ANY=[@ANYBLOB="020200000700000000000000000000000200eef8519611ff9b00120100000000000000000000000000030005000000000002000000e00000"], 0x38}, 0x1}, 0x0) 2018/05/07 00:19:44 executing program 7: r0 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000100)=ANY=[@ANYRES32=0x0, @ANYBLOB="000040b96f6aa3d0e81a4fc7a1b181ed96ff236f2ac96d21b6235f"], 0xa) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(aes)\x00'}, 0x36) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000080)="d179f2508fb13583605d0008a230e7a657f9cc6e", 0x14) r2 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000000f40)=[{0x0, 0x0, &(0x7f0000000640), 0x350, &(0x7f0000000680)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r2, &(0x7f00000001c0)={&(0x7f0000000140)=@nfc_llcp, 0x80, &(0x7f0000000200)=[{&(0x7f0000000300)=""/88, 0x33}], 0x1, &(0x7f00009f2000)=""/190, 0xfffffc97}, 0x0) 2018/05/07 00:19:44 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:44 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xb]}}, 0x1c) 2018/05/07 00:19:44 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x4, 0x101200) sendmsg$nl_generic(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f00000015c0)={&(0x7f0000abf000)={0xfffffffffffffd76, 0x27, 0x109, 0x70bd2c, 0x0, {0x4}}}, 0x1}, 0xffffffffffffffff) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0xfffffffffffffffc, 0x400) getsockopt$inet6_dccp_int(r1, 0x21, 0x7, &(0x7f0000000040), &(0x7f0000000080)=0x4) [ 618.491784] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 618.506427] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:45 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5000000000000]}}, 0x1c) 2018/05/07 00:19:45 executing program 2: r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x6, 0x400) setsockopt$llc_int(r0, 0x10c, 0xf, &(0x7f0000000040), 0x4) syz_emit_ethernet(0x46, &(0x7f0000000080)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [{[{0x9100, 0x3, 0x8, 0x3}], {0x8100, 0xfffffffffffffffa, 0x1, 0x3}}], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x1, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}, @dev={0xac, 0x14, 0x14, 0x11}}, @icmp=@parameter_prob={0x4, 0x0, 0x0, 0x0, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14}}}}}}}, &(0x7f0000000140)) 2018/05/07 00:19:45 executing program 3: r0 = memfd_create(&(0x7f0000000100)="737565d4eb2f5c", 0x40000000) r1 = syz_open_dev$sndseq(&(0x7f0000042ff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SG_GET_COMMAND_Q(r0, 0x2270, &(0x7f0000000000)) r2 = dup3(r1, r0, 0x0) ioctl$SG_GET_TIMEOUT(r2, 0x2202, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r2, 0x408c5333, &(0x7f0000000040)={0x5e, 0x0, 0x0, 'queue0\x00'}) 2018/05/07 00:19:45 executing program 1: r0 = socket$inet6_sctp(0xa, 0x200008000004, 0x84) r1 = msgget(0x0, 0x6d3) msgsnd(r1, &(0x7f0000000240)=ANY=[@ANYBLOB="0000000000000000c220dda1be05889bb024adf168b62b229b65164098e14e7344848b303e6c543f72f4191a730372685200516a0c14ec046b4d391b77edcbfa67ec337a070eab12008afbf08ca508c0d88e8d20a074d01264dea8e021a72dbb3a9c7258225a87d54336b619609c05000000ce6e9e0aa984423b97e10a2a7b025f65a4c9b6d7eaa6a70dfb2e9aaf397c17aca279f8c2f58235f8218666cf1afd4f4d74cbc972724c0d6a328c906c"], 0xae, 0x800) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, 0x0, 0x0, 0x0, 0x0, {0x6}}, 0x14}, 0x1}, 0x0) r2 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x28000, 0x80000) ioctl$EVIOCSABS2F(r2, 0x401845ef, &(0x7f0000000040)={0x1, 0x7fffffff, 0x7, 0x5, 0x0, 0xad}) bind$inet6(r0, &(0x7f000036bfe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f000087dffe)='F', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) socket$bt_bnep(0x1f, 0x3, 0x4) 2018/05/07 00:19:45 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:45 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0xc008ae88, &(0x7f0000000240)=ANY=[@ANYBLOB="0100000000000512b8587de9000000000008000000000000"]) [ 618.625486] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:45 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) bind$inet6(r0, &(0x7f0000fa8fe4)={0xa, 0x4e23}, 0x1c) connect$inet6(r0, &(0x7f0000966fe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = dup(r0) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000140), 0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000000)={0x0, @in6={{0xa, 0x4e24, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x3ff}}, [0x7, 0x7c, 0x1051, 0x800, 0x200, 0x1, 0x0, 0x7fffffff, 0xe28, 0x6, 0xffffffff80000000, 0x80, 0x4, 0xffffffffffff8000, 0x7]}, &(0x7f0000000100)=0x100) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f0000000240)=ANY=[@ANYRES32=r2, @ANYBLOB="00000000000098f6061af68d11d2f19db242e2c3798afa261ba1cfb30556799b47e43493d7e790560c25b819712d382da383a502723723a0a102a4582402fceaac9f4ee17d29af27f1ac000000"], &(0x7f0000000200)=0x4b) 2018/05/07 00:19:45 executing program 2: init_module(&(0x7f00000000c0)='self\x00', 0x5, &(0x7f0000000180)='/dev/uinput\x00') r0 = socket$netlink(0x10, 0x3, 0x6) timer_create(0x5, &(0x7f0000000040)={0x0, 0x15, 0x6, @tid=0xffffffffffffffff}, &(0x7f0000000080)=0x0) timer_delete(r1) write(r0, &(0x7f0000000000)="1e0000001500fffff82f01051c180fff0100000008000000000000a0a000", 0x1e) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000200)='/dev/uinput\x00', 0x212c00, 0x0) ioctl$BINDER_SET_MAX_THREADS(r2, 0x40046205, 0x20) ioctl$sock_inet_SIOCGIFDSTADDR(r2, 0x8917, &(0x7f00000001c0)={'bond_slave_1\x00', {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}) 2018/05/07 00:19:46 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x25]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:46 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe8030000]}}, 0x1c) 2018/05/07 00:19:46 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3300000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:46 executing program 2: r0 = socket(0x4000000000001e, 0x2, 0x0) getsockopt(r0, 0x10f, 0x81, &(0x7f0000003fb3)=""/4, &(0x7f0000000ffc)=0x4) r1 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffff, 0x5, 0x10}, 0xc) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r1, 0x28, &(0x7f0000000040)}, 0x10) 2018/05/07 00:19:46 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/arp\x00') socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000200)={'syzkaller0\x00', 0x3}) socket$inet_icmp(0x2, 0x2, 0x1) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f00000000c0)) pread64(r0, &(0x7f0000000040)=""/8, 0x8, 0x1ffff) r2 = memfd_create(&(0x7f000088f000)='b\n\x00', 0x4) ftruncate(r2, 0x1ffffd) write$cgroup_int(r2, &(0x7f0000000000)={[0x3a, 0x34, 0x2b, 0x34, 0x0, 0x36, 0x35, 0x2d]}, 0x8) 2018/05/07 00:19:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xffffffffffffffff]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:46 executing program 1: ioctl$sock_SIOCSIFBR(0xffffffffffffffff, 0x8941, &(0x7f0000000100)=@generic) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x200, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000080)={0x100000001, 0xe722, 0x1, 0x401, 0x9, 0x10000, 0x9, 0x7f, 0x0}, &(0x7f00000000c0)=0x20) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000140)={r1, 0x80000001}, 0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r4, &(0x7f0000000540)={&(0x7f0000000180)=@ipx={0x4, 0x5d6, 0x7, "98447e34001d", 0x2}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000200)="ca2ee497d7aff904f140942f7b4a08681f0eb6259dc13bc480d52856af0dcad538a82c", 0x23}], 0x1, &(0x7f0000000280)=[{0xa0, 0x117, 0x2000000000, "eac6733573cbe408ed2b1f926b087f4236076fcbff85143333d5f1c30572c9a15435660f319f65c5c83697d7de8c56c626070234fdf3d5d96b91307e3fcd0e241383c9e4f30966e41b1ccd39045a513f5b0af85adf531bb0130d359e04eb12c04c28cac452977d8e27635e37143b3db6897fc122cfabf5de1d350ce3308dae76604c8794ae67e33bbf"}, {0x78, 0x11f, 0x2117812d, "33c32a1d9647ea58b6bf3c902e825cc8d4e81e009e73547fc98fc0eb613f714fe172fbae7e3f0847f755b48b48673704d7d10343777062f49c0f7dfbe40a7ee6db3ef31068462898462e06692768b6c36510ef749cdf76ac63ac0cfd17e82750b48cf5"}, {0xc8, 0x18f, 0xffffffff, "bafffc2275416b91878423f345a970c1cc50f0214720d95d103f8d418f202fcefb651a6cd373489862da7de26b2fc8dac38b14764d3ba4945ce7ae2fcc403e04806561883fa3f21170ba74b1dbb77d6365aec1b9babd9277da9ccd1cebc72b2929f7603365120905440f69d765c3fbd9ce7225eda013b842dc511314467a49d7e22233adae3244613c51ff658b68522606fb720a5ace31821f4b9ae6e08fdca69a1d6184000ea4e4650e51ec8fdb6f9aff3e3cbdaa49ef53"}, {0xc0, 0x10c, 0x7f, "41d83bba5fbe5f9219f1304f99a03e4bf3c06790e26539f9ec6f5d91bcee30a7db66556d48f4b3c42bc56d86d92f0ddb8f97a71587a4341fba67a58bc63b5767f6aa4ecd6ba6d82be48d9f3a5643da4ca55f176535c06b1cfba33fad6101607f6b6b4f88f96cc7642a03cae4afa324bcc97a9e4880418e1661756a939aeaaed3086811f721f4d27199f63f76b2cf646e4fb45f365d1aeffdaab94b837ce979e1f58eac8098e9a43d225151"}], 0x2a0, 0x20000800}, 0x4000080) mknod(&(0x7f0000000ffa)='./bus\x00', 0x1000, 0x0) unlink(&(0x7f000057b000)='./bus\x00') read(r4, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r3, 0x5452, &(0x7f0000008ff8)=0x3f) fcntl$setown(r3, 0x8, r2) fcntl$setsig(r3, 0xa, 0x12) dup2(r3, r4) tkill(r2, 0x16) 2018/05/07 00:19:46 executing program 3: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f00000002c0)=0xfff) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000340)='/dev/midi#\x00', 0x9d7, 0x40000) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000140)={0x5, 0x5, 0x2000}, 0x4) ioctl$KVM_GET_DEBUGREGS(r1, 0x8080aea1, &(0x7f0000000200)) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000000280)={0x5, 0x2, 0x8000, 0x0, 0x7fffffff}) sendmsg$nl_netfilter(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0001000c0f00052bbd7000fcdbdf25d20600050000000004001a00"], 0x1c}, 0x1}, 0x8000) ioctl$TIOCNOTTY(r1, 0x5422) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000180)=0x800) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r1, 0xc0605345, &(0x7f0000000380)={0x9800, 0x1, {0xffffffffffffffff, 0x3, 0x3, 0x1, 0x10000000}}) [ 619.864690] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1a]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:46 executing program 2: prctl$setptracer(0x59616d61, 0xffffffffffffffff) r0 = fcntl$getown(0xffffffffffffff9c, 0x9) r1 = syz_open_procfs(r0, &(0x7f0000000080)='loginuid\x00') r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x10000, 0x0) sendfile(r1, r1, &(0x7f00000000c0), 0x5) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000040)={0x375eaf34, 0x3, 0xfffffffffffffffd, 0x0, 0x8, 0x1, 0x100000000, 0xffffffffffff0000, 0x6c, 0x100, 0x6, 0x6, 0x0, 0x3, 0x9, 0x7, 0x2, 0x6, 0x4035}) 2018/05/07 00:19:47 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x2400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:47 executing program 7: 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 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x0, 0x0) ioctl$KVM_GET_NR_MMU_PAGES(r0, 0xae45, 0x8) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000040)={0x79}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000000a80)={"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"}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f00000000c0)) 2018/05/07 00:19:47 executing program 3: r0 = syz_open_dev$binder(&(0x7f0000f5b000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x20011, r0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000008000)={0x44, 0x0, &(0x7f0000004fbc)=[@transaction={0x40406300, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x28, 0x8, &(0x7f000026c000)=[@ptr={0x73622a85, 0x0, &(0x7f00004edf8a), 0x1}], &(0x7f000000afd0)=[0x0]}}], 0x0, 0x0, &(0x7f0000009000)}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000004c0)={0x44, 0x0, &(0x7f00000002c0)=[@reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0), &(0x7f0000000200)}}], 0x74, 0x0, &(0x7f00000003c0)="a753e1ea642bc203ae0d086ca038fd3c51121b732ec2eaa865271f03e7360aac4de942924b91ebfe64437adb0839de0306db4eeab2e3dcead2e8183eafec29ab58c915d7af218a64bee5be155390ddbaaf11382321544bfcf767ea1eb1b33714fe07b146882e945fb86fde0c616a189b066ff04a"}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000f7c000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-cast5-avx\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00001ec000)="0a0775b0d5", 0x5) r2 = accept$alg(r1, 0x0, 0x0) sendmsg$alg(r2, &(0x7f0000f75fc8)={0x0, 0x0, &(0x7f0000805000), 0x0, &(0x7f00002e7000)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) io_setup(0x1, &(0x7f0000479000)=0x0) io_submit(r3, 0x1, &(0x7f0000738000)=[&(0x7f0000f73fc0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f000079a000)="16", 0x1}]) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuacct.usage_percpu_sys\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f00000000c0)=[@in={0x2, 0x4e23, @loopback=0x7f000001}, @in6={0xa, 0x4e24, 0x7, @dev={0xfe, 0x80, [], 0x19}, 0x9}], 0x2c) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000000)={0x0}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000280)={0x14, 0x0, &(0x7f0000000040)=[@acquire_done={0x40106309, r5, 0x1}], 0x0, 0x0, &(0x7f0000000240)}) 2018/05/07 00:19:47 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x1802]}}, 0x1c) 2018/05/07 00:19:47 executing program 1: r0 = syz_open_dev$amidi(&(0x7f0000000200)='/dev/amidi#\x00', 0xfff, 0x2002) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000240)=0x8001, 0x4) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000001040)="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", 0x281}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) recvmsg$netrom(0xffffffffffffffff, &(0x7f0000000680)={&(0x7f0000000100)=@full={{0x3, {"5676dee52b5b2a"}}, [{"45cd5921776e8c"}, {"6a0f849d6144be"}, {"489a16f71f9f5d"}, {"630d3b0c8c6c76"}, {"fc0c651ed77513"}, {"64af660bc00358"}, {"86040385cee4bc"}, {"10824c3eab320b"}]}, 0x48, &(0x7f0000000280)=[{&(0x7f0000001300)="508e61612754e40ea6ffaf3be288bc4d5ee124e0f773576917eff1b55459a0a81c4a3b366d0d72d1d230312d7101097a4ecfcd15522817d4fbc628ce6b66a86572d5", 0x40}], 0x1, &(0x7f00000002c0)}, 0x0) getsockname$ipx(r0, &(0x7f00000003c0), &(0x7f0000000400)=0x10) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x4, 0x300) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000002c0)=@assoc_id=0x0, &(0x7f0000000300)=0x4) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000340)={r2, 0x6}, &(0x7f0000000380)=0x8) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000180)="84c2327a22ac86188f6d366e310be60faa532e3e17ab89e75e46b81fa3c4db6b51fd3f46f51c59f2b72d20e07e866417f440d81aa3486b3a2c0cd9d3937e7e9cb160241d0b9f8756f42bbafffc81e345251dce4d1db203a43b3d8b48932618ab8ffd46c5904c4cde7919103622732801", 0x70) r3 = socket(0x11, 0x4000000000080003, 0x0) ioctl$KVM_NMI(r1, 0xae9a) setsockopt(r3, 0x107, 0xd, &(0x7f0000001000), 0x47e) openat$vsock(0xffffffffffffff9c, &(0x7f0000000440)='/dev/vsock\x00', 0x400000, 0x0) sendmmsg(r3, &(0x7f0000003e80)=[{{&(0x7f0000000040)=@in6={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000000300), 0x0, &(0x7f0000000340)}}, {{&(0x7f0000000040)=@nfc={0x27, 0x9}, 0x1e, &(0x7f0000000e40), 0x0, &(0x7f00000012c0), 0x302}}], 0x2, 0x0) 2018/05/07 00:19:47 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:47 executing program 2: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) write$sndseq(r0, &(0x7f0000000200)=[{0xdaf, 0x8001, 0x2, 0x2, @time={r1, r2+30000000}, {0x0, 0x9}, {0xcab4, 0x2f5f128c}, @raw32={[0x1, 0xfffffffffffffffd, 0xb8]}}, {0x6, 0x7, 0x0, 0x9, @tick=0x6, {0x0, 0xffffffffffffffc0}, {0x9935, 0x3}, @raw8={"b0bb37896efa0f6c62d43dcb"}}, {0x7, 0x9, 0x5610, 0x4, @tick=0x2, {0x1, 0x3ff}, {0x1ff, 0x8}, @result={0x5}}, {0x80000001, 0x2, 0xffffffff, 0x2, @time={0x77359400}, {0x1ff, 0x1}, {0x7e5}, @quote={{0x10000, 0xdb}, 0xb9b7, &(0x7f0000000080)={0x9, 0x7, 0x3ff, 0x7, @time={0x0, 0x989680}, {0x800, 0x7}, {0x6, 0xe0}, @control={0x6, 0xffffffffffffde27, 0x740}}}}, {0x800, 0x2, 0x3, 0xedaa, @time={r3, r4+30000000}, {0x7, 0x3}, {0x7fff, 0x8}, @ext={0xe1, &(0x7f0000000100)="ca91553c9240f1d7304430bede2c088c5e4842e9ea1c7340ad288acf61a00f4245363793b40487614b99b75c0c0513fdd82dfb837ff1f60b174de2be7e5be069ec9cd6986094d96d1fc30cd1abc2ab2f5eac10efef35124b88f5476dcd556dbd3b160a408a1d4dac59f626fe6ec7f7e3b352dee350736d5665f1d701a80c9eac0ac0553c2238b5d522f1f5ef89db85e8c2bbd99b30272715aeb18ad5b512e4ca81ea584672fe14f7da72ebe571eca7231fd7b7cb5334f9e9d3a88d7e2fe4d6946f7ae9ed08387e7b19a4d492395fbc510c3c74a83ec25aa352abdc02e9ec62eb34"}}, {0x1, 0x5, 0x7fff, 0x80000001, @time={0x77359400}, {0x1, 0x1}, {0xfc, 0x3}, @connect={{0x26, 0x6}, {0x7, 0x1000}}}, {0x4, 0x6, 0x9, 0x200, @tick=0x5, {0x10001, 0x2}, {0x7, 0xfff}, @control={0x5, 0xffffffffffffff00, 0x5}}], 0x150) getpeername$netlink(r0, &(0x7f0000000380), &(0x7f00000003c0)=0xc) rt_sigtimedwait(&(0x7f00000004c0), 0x0, &(0x7f0000000500)={0x0, 0x989680}, 0x8) 2018/05/07 00:19:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xd8080000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:47 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x300]}}, 0x1c) 2018/05/07 00:19:47 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 620.768924] binder: 4041:4047 got transaction to context manager from process owning it [ 620.777286] binder: 4041:4047 transaction failed 29201/-22, size 40-8 line 2847 [ 620.785332] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 620.799980] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:47 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f00000003c0)="2f65786500000000000090d8b75e6726ee513b42abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd4439ea010e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf39abfa88c0afbb12a4c520a03b27f805d181bd09ea208931a36e888060a2d") ioctl$EVIOCGMASK(r0, 0x80104592, &(0x7f00000000c0)={0x5, 0xa3, &(0x7f0000000000)="f6de6d2f767d8d35e0401f4830109eb1a88127b79b35e69835c7e80211424ffeadfd8179f3a8b49d6ec57f68e5e7a057bc9c650c0187a174463012f3f46c2e45f10bb259ed68acd11a665085f68f52a4eab6adabb084150bbc79f7b5fc9b51eadb524e4c7030a9543793143d58f0e6040ca7515ee4b92771d5f83ee820360c234849a823b4523e8b1a799979a32265ff429ddd46118b1dc08f30e623f0856cea7d8c4b"}) fsetxattr(r0, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f00000004c0)='pcbc(twofish)\x00', 0xe, 0x3) [ 620.883608] binder: 4041:4047 BC_ACQUIRE_DONE u0000000000000000 node 75 cookie mismatch 0000000000000001 != 0000000000000000 [ 620.891018] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 620.941112] binder: BINDER_SET_CONTEXT_MGR already set [ 620.946944] binder: 4041:4067 ioctl 40046207 0 returned -16 [ 620.960978] binder_alloc: 4041: binder_alloc_buf, no vma [ 620.966700] binder: 4041:4047 transaction failed 29189/-3, size 40-8 line 2971 [ 620.979550] binder: 4041:4067 got reply transaction with no transaction stack [ 620.987064] binder: 4041:4067 transaction failed 29201/-71, size 0-0 line 2763 [ 621.030275] binder: undelivered TRANSACTION_ERROR: 29189 2018/05/07 00:19:48 executing program 2: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x0, 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000080)) ioctl$TCGETA(r0, 0x4004556e, &(0x7f0000000000)) 2018/05/07 00:19:48 executing program 7: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_buf(r0, 0x0, 0x0, &(0x7f0000000040)=""/196, &(0x7f0000000140)=0xc4) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=0x0, &(0x7f00000001c0)=0x4) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000200)={r2, 0x7ff}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000280), &(0x7f00000002c0)=0xb) mincore(&(0x7f0000ffc000/0x1000)=nil, 0x1000, &(0x7f0000000300)=""/38) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000340)=""/18) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0xc058534f, &(0x7f0000000380)={{0x9, 0x7fff}, 0x1, 0x4, 0x0, {0x5, 0xd0}, 0xfffffffffffeffff, 0x800}) clock_gettime(0x0, &(0x7f0000000400)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000440)={0x11, @time={r3, r4+30000000}, 0x4, {0x2, 0x6}, 0x7f, 0x3, 0x2}) ioctl$SG_GET_COMMAND_Q(r0, 0x2270, &(0x7f00000004c0)) ioctl$EVIOCGBITKEY(r0, 0x80404521, &(0x7f0000000500)=""/3) ustat(0x2, &(0x7f0000000540)) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000580)=0x0) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f00000005c0)=r5) getsockopt(r1, 0x4, 0x1, &(0x7f0000000600)=""/210, &(0x7f0000000700)=0xd2) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000740)={0xffffffffffffffff, 0xffffffffffffffff}) timerfd_create(0x5, 0x80000) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000780)={0x1, 0x6, 0x3ff, 0x6, [], [], [], 0x1, 0x3, 0x100000000, 0x3ff, "19b0da644336b566d2f95f30c41948a5"}) socket$inet_icmp_raw(0x2, 0x3, 0x1) r7 = syz_open_dev$midi(&(0x7f00000008c0)='/dev/midi#\x00', 0x67, 0x0) write$evdev(r0, &(0x7f0000000900)=[{{0x77359400}, 0xf0, 0x8000, 0x100000000}, {{0x0, 0x7530}, 0x3, 0x4, 0x20}, {{0x77359400}, 0x6, 0x7, 0x1b2a}, {{0x0, 0x7530}, 0x2, 0x7, 0x3}], 0x60) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r0, 0x4010ae74, &(0x7f0000000980)={0x2, 0x2d, 0xcb15}) ioctl$sock_SIOCBRADDBR(r6, 0x89a0, &(0x7f00000009c0)='veth0_to_bond\x00') getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000a00)={r2, 0x8, 0x4, [0x3a45, 0x5, 0x7, 0x0]}, &(0x7f0000000a40)=0x10) sendmsg$nl_xfrm(r1, &(0x7f0000000b80)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000b40)={&(0x7f0000000ac0)=@newspdinfo={0x60, 0x24, 0x100, 0x70bd29, 0x25dfdbff, 0x2, [@lifetime_val={0x24, 0x9, {0x1ff, 0x4, 0x9, 0x4}}, @offload={0xc, 0x1c, {0x0, 0x2}}, @encap={0x1c, 0x4, {0xffffffffffffffff, 0x4e22, 0x4e23, @in6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4080}, 0x40000) ioctl$EVIOCGRAB(r0, 0x40044590, &(0x7f0000000bc0)=0x5) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000c00)={'IDLETIMER\x00'}, &(0x7f0000000c40)=0x1e) recvfrom$ax25(r7, &(0x7f0000000c80)=""/138, 0x8a, 0x10140, &(0x7f0000000d40)={0x3, {"2a75b7daf81b76"}, 0x4}, 0x10) r8 = semget$private(0x0, 0x0, 0x600) semctl$GETNCNT(r8, 0x0, 0xe, &(0x7f0000000d80)=""/43) 2018/05/07 00:19:48 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x4002000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:48 executing program 1: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='fuseblk\x00', 0x0, &(0x7f0000000100)) chroot(&(0x7f0000000140)='./file0\x00') mount(&(0x7f0000df7000)='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000df9000)='nfs4\x00', 0x0, &(0x7f0000000080)='v') r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000180)='/dev/full\x00', 0x103000, 0x0) ioctl$VHOST_GET_VRING_BASE(r0, 0xc008af12, &(0x7f00000001c0)) openat$cuse(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/cuse\x00', 0x80000, 0x0) 2018/05/07 00:19:48 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x28]}}, 0x1c) 2018/05/07 00:19:48 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:48 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000021fea)="01", 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x4e20, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000034f6b)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) ioctl$sock_inet_SIOCGIFNETMASK(r0, 0x891b, &(0x7f0000000000)={'\x00', {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0x74, &(0x7f000002ff48)={0x0, 0x100000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, @in={{0x2, 0x4e20, @multicast1=0xe0000001}}}}, &(0x7f0000023ffc)=0xb8) 2018/05/07 00:19:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x3d00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:48 executing program 7: r0 = socket$inet(0x15, 0x5, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e1d, @loopback=0x7f000001}, 0x10) connect$inet(r0, &(0x7f0000024ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendmsg(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000380), 0x0, &(0x7f0000000440)=[{0x10, 0x114}], 0x10}, 0x0) 2018/05/07 00:19:48 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:48 executing program 2: syz_emit_ethernet(0x66, &(0x7f00000000c0)={@link_local={0x1, 0x80, 0xc2}, @random="88b4e8ba4dfd", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x2f, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}, @broadcast=0xffffffff}, @gre={{0x0, 0x0, 0x1, 0x0, 0xb, 0x0, 0x0, 0x8, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}}}}}}, 0x0) r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x331c00) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000ffe000/0x2000)=nil, 0x2000}) [ 621.640719] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 621.663277] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 621.679748] NFS: bad mount option value specified: v/file0 2018/05/07 00:19:48 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfe800000]}}, 0x1c) [ 621.714822] NFS: bad mount option value specified: v/file0 2018/05/07 00:19:48 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rtc0\x00', 0x404001, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r1, 0x508, 0x70bd26, 0x25dfdbfe, {0x1}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfffffffffffffffe}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xffffffffffffffc0}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x9}]}, 0x50}, 0x1, 0x0, 0x0, 0x4008810}, 0x800) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0xf152923830c5e1b, 0x0) ioctl$KVM_GET_DIRTY_LOG(r2, 0x4010ae42, &(0x7f00000000c0)={0x1fd, 0x0, &(0x7f0000ffb000/0x3000)=nil}) r3 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_opts(r3, 0x0, 0x4, &(0x7f00002d2000)="441109210000000000ffff7b0010000013", 0x11) getsockopt$inet_opts(r3, 0x0, 0x200000000000004, &(0x7f0000000040)=""/15, &(0x7f0000000000)=0xf) ioctl$DRM_IOCTL_GEM_FLINK(r2, 0xc008640a, &(0x7f00000001c0)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_OPEN(r2, 0xc010640b, &(0x7f0000000100)={r4, 0x0, 0xc7}) ioctl$DRM_IOCTL_GEM_FLINK(r2, 0xc008640a, &(0x7f0000000140)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r2, 0xc008640a, &(0x7f0000000180)={r5, r6}) 2018/05/07 00:19:48 executing program 1: r0 = perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shmctl$SHM_INFO(0x0, 0xe, &(0x7f0000000340)=""/178) r1 = fcntl$getown(r0, 0x9) perf_event_open(&(0x7f0000000080)={0x4, 0x70, 0x3ff, 0x1ff, 0x401, 0x4, 0x0, 0x5, 0x4000, 0x8, 0x7, 0x9, 0x7bc, 0x5, 0x6, 0x3, 0x0, 0x7, 0x1, 0x1, 0x2, 0x0, 0x7f, 0x5, 0x0, 0xa3, 0x6, 0x5, 0xffff, 0x5, 0x7fffffff, 0x9, 0x200, 0x1, 0xffffffff, 0x1, 0xffff, 0x0, 0x0, 0x3, 0x2, @perf_bp={&(0x7f0000000040), 0x2}, 0x5000, 0x5, 0x1, 0x3, 0xfff, 0xb2, 0x2}, r1, 0xb, r0, 0x9) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000240)=0x0) perf_event_open(&(0x7f00000001c0)={0x2, 0x70, 0x100000001, 0x5, 0x42c5, 0x3f, 0x0, 0x3, 0x8, 0x7, 0x4, 0x1ff, 0x7f, 0x3, 0xfff, 0x40e7, 0x7, 0x4, 0x3, 0x6, 0x1, 0x9, 0xff, 0xffffffff, 0x3262, 0x552, 0x6, 0x100000001, 0x8, 0x5, 0x0, 0xff, 0x1, 0x812, 0x80000000, 0x8, 0x4, 0x7fffffff, 0x0, 0x401, 0x4, @perf_bp={&(0x7f0000000180), 0xc}, 0x2000, 0x5, 0x800, 0x7, 0xa0, 0x9, 0x2}, r2, 0xe, r0, 0x1) 2018/05/07 00:19:48 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'cfb(aes-fixed-time)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000200)="0a0775b0d652a75e4d172305e38106000000e15905000b00000000b7ea5c7ce1f89069e5b2c36b8d3aa68a92bfd2b4835f7d66aab897e33e2f5422630ba949ae7e495d65f805473e2502", 0x4a) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000180)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000002780)="a7118230eef5e420406dc6a099da077d64", 0x11}], 0x1, &(0x7f0000001700)}], 0x1, 0x0) recvmsg(r1, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x80, &(0x7f0000000000)=[{&(0x7f00000003c0)=""/4096, 0x1000}], 0x1, &(0x7f0000001400)=""/6, 0x6}, 0x0) 2018/05/07 00:19:48 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 621.809439] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:49 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4002]}}, 0x1c) 2018/05/07 00:19:49 executing program 2: socketpair(0x2, 0x802, 0x9, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x200200, 0x10c) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000100)={0x3, r1}) syz_emit_ethernet(0x66, &(0x7f0000000040)={@random="cd390b081bf2", @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x30, 0x29, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, @dev={0xfe, 0x80}}}}}}}}, 0x0) 2018/05/07 00:19:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x8000000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:49 executing program 7: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000002000)=@ethernet, 0x10) sendmsg$can_bcm(r0, &(0x7f0000001fc8)={&(0x7f0000000300)={0x1d}, 0x10, &(0x7f0000000000)={&(0x7f0000000340)={0x5, 0x120, 0x0, {0x77359400}, {0x0, 0x2710}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "11f9ea717adc0990"}}, 0x48}, 0x1}, 0x0) r1 = gettid() prctl$setptracer(0x59616d61, r1) sendmsg$can_bcm(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x1d}, 0x10, &(0x7f0000000180)={&(0x7f0000000100)={0x5, 0x0, 0x0, {0x77359400}, {0x0, 0x7530}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "fa9028eee25d9606"}}, 0x38}, 0x1}, 0x0) 2018/05/07 00:19:49 executing program 1: r0 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x100000000, 0x80) getsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0x4) timer_create(0x0, &(0x7f0000580000)={0x0, 0x12, 0x0, @thr={&(0x7f0000f44000), &(0x7f0000ff5fd2)}}, &(0x7f00000c6000)) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000100)={0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x6}}}, 0x40}, &(0x7f00000001c0)=0x90) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000000200)=r1, 0x4) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) timer_gettime(0x0, &(0x7f0000000000)) 2018/05/07 00:19:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(ecb-camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7295df0df8217ad4000000000000000e6", 0x20) r1 = accept$alg(r0, 0x0, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x10000, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000100)={0x3, 'veth0_to_team\x00', 0x2}, 0x18) sendmmsg$alg(r1, &(0x7f00000000c0)=[{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000300)="6e829354f1d75b3e73816e135e8d0dde", 0x10}], 0x1, &(0x7f00000001c0)}], 0x1, 0x0) recvmsg(r1, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x80, &(0x7f0000000000)=[{&(0x7f00000003c0)=""/4096, 0x1000}], 0x1, &(0x7f0000001400)=""/6, 0x6}, 0x0) 2018/05/07 00:19:49 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x54550100]}}, 0x1c) shutdown(r0, 0x1) [ 622.593749] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 622.618067] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:49 executing program 7: mkdir(&(0x7f0000000100)='./file0\x00', 0x100) r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x4, 0x800) r1 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0xfffffffffffffffe, 0x0) r2 = accept4$netrom(0xffffffffffffff9c, &(0x7f0000000280)=@full, &(0x7f0000000300)=0x48, 0x0) r3 = dup2(r2, r0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r3, 0xc058534b, &(0x7f0000000140)={0x632, 0xfff, 0x9, 0x2, 0x3, 0xa}) mount(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='adfs\x00', 0x40003, &(0x7f0000000200)="4e01052e39b7a5035f449b385859a75ed3517a1f6c76947a3df3c104c3abfd8d7f6e118089a92deeeb82de4ff274e97ab86d33720543dac23bc0ba9970eb77b862a9e1b349ef5cd4e79630aa707cf33e109a97") ioctl$PIO_UNIMAPCLR(r0, 0x4b68, &(0x7f0000000340)={0x8001, 0x7, 0x3ff}) r4 = syz_genetlink_get_family_id$team(&(0x7f00000003c0)='team\x00') recvmsg$kcm(r1, &(0x7f0000003440)={&(0x7f0000002f00)=@hci={0x0, 0x0}, 0x80, &(0x7f0000003380)=[{&(0x7f0000002f80)=""/79, 0x4f}, {&(0x7f0000003000)=""/29, 0x1d}, {&(0x7f0000003040)=""/93, 0x5d}, {&(0x7f00000030c0)=""/126, 0x7e}, {&(0x7f0000003140)=""/206, 0xce}, {&(0x7f0000003240)=""/121, 0x79}, {&(0x7f00000032c0)=""/161, 0xa1}], 0x7, &(0x7f0000003400)=""/39, 0x27, 0x81}, 0x100) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000003480)={'vcan0\x00', 0x0}) getpeername$packet(r0, &(0x7f00000034c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000003500)=0x14) accept4$packet(r1, &(0x7f0000003540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000003580)=0x14, 0x0) getsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000003680)={@rand_addr, @multicast1, 0x0}, &(0x7f00000036c0)=0xc) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000003700)={@local, 0x0}, &(0x7f0000003740)=0x14) getsockname$packet(r1, &(0x7f0000003780)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000037c0)=0x14) getsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f0000003800)={@local, 0x0}, &(0x7f0000003840)=0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000003880)={{{@in6, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@broadcast}}, &(0x7f0000003980)=0xe8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000400)={'gretap0\x00', 0x8201}) getsockname$packet(r3, &(0x7f00000039c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000003a00)=0x14) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000006300)={0x0, @empty, @broadcast}, &(0x7f0000006340)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000006380)={{{@in=@dev, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@local}}, &(0x7f0000006480)=0xe8) accept4$packet(r0, &(0x7f00000064c0)={0x0, 0x0, 0x0}, &(0x7f0000006500)=0x14, 0x80000) accept$packet(r0, &(0x7f0000006540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000006580)=0x14) getsockname(0xffffffffffffff9c, &(0x7f000000cbc0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f000000cc40)=0x80) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f000000cc80)={{{@in6=@dev, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@local}}, &(0x7f000000cd80)=0xe8) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f000000d100)={{{@in6=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6}}, &(0x7f000000d200)=0xe8) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r1, 0x408c5333, &(0x7f0000000940)={0x81, 0x6, 0x0, 'queue1\x00', 0x7}) getpeername$packet(r0, &(0x7f000000e900)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f000000e940)=0x14) sendmsg$TEAM_CMD_OPTIONS_GET(r1, &(0x7f000000eec0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2110000}, 0xc, &(0x7f000000ee80)={&(0x7f0000000a00)=ANY=[@ANYBLOB="c4040000", @ANYRES16=r4, @ANYBLOB="00022dbd7000ffdbdf250200000008000100", @ANYRES32=r5, @ANYBLOB="3401020040000100240001006c625f706f72745f737461747300000000000000000000000000000000000000080003000b00000008000400ff00000008000600", @ANYRES32=r6, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000080003000b000000084004000400000008000600", @ANYRES32=r7, @ANYBLOB="40000100240001006c625f706f72745f737461747300000000000000000000000000000000000000080003000b000000080004000800000008000600", @ANYRES32=r8, @ANYBLOB="38000100240001006c625f73746174735f726566726573685f696e74657276616c00000000000000080003000300000008000400070000003800010024000100616374697665706f727400000000000000000000000000000000000000000000080003000300000008000400", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="a40102003800010024000100616374697665706f727400000000000000000000000000000000000000000000080003000300000008000400", @ANYRES32=r11, @ANYBLOB="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", @ANYRES32=r12, @ANYBLOB="400001002400010071756575655f69640000000000000000000000000000000000000000000000000800030003000000080004000100000008000600", @ANYRES32=r13, @ANYBLOB="3800010024000100616374697665706f727400000000000000000000000000000000000000000000080003000300000008000400", @ANYRES32=r14, @ANYBLOB="3c00010024000100656e61626c65640000000000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r15, @ANYBLOB="3c000100240001006d6f64650000000000000000000000000000000000000000000000000000000008000300050000000c00040072616e646f6d00003c00010024000100656e61626c65640000000000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r16, @ANYBLOB="00020000", @ANYRES32=r17, @ANYBLOB="b000020038000100240001006d636173745f72656a6f696e5f636f756e740000000000000000000000000000080003000300000008000400785f00003c00010024000100757365725f6c696e6b757000000000000000000000000000000000000000000008000300060000000400040008000600", @ANYRES32=r18, @ANYBLOB="38000100240001006d636173745f72656a6f696e5f696e74657276616c00000000000000000000000800030003000000080004000400000008000100", @ANYRES32=r19, @ANYBLOB="080102004c000100240001006270665f686173685f66756e6300000000000000000000000000000000000000080003000b0000001c0004000800090401000000000001ff0400000007000409000000003c00010024000100757365725f6c696e6b75705f656e61626c65640000000000000000000000000008000300060000000400040008000600", @ANYRES32=r20, @ANYBLOB="3c0001002400010075736535725f6c696e41aa7000000000000000000000ff01000000000000000000080003002088e77e111b0f060000000400040008000600", @ANYRES32=r21, @ANYBLOB="40000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000080003000300000008000400", @ANYRES32=r22, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x4c4}, 0x1, 0x0, 0x0, 0x40800}, 0x804) 2018/05/07 00:19:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:49 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000280)='net/protocols\x00') ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000340)=0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000080)) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000100)={0x0, 0x80000, r0}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000180)={r2, 0x80000, r0}) r3 = semget$private(0x0, 0x2, 0x4) semctl$GETZCNT(r3, 0x4, 0xf, &(0x7f0000000380)=""/212) get_mempolicy(&(0x7f00000001c0), &(0x7f0000000200), 0x6, &(0x7f0000ffc000/0x2000)=nil, 0x4) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r4 = syz_open_procfs(r1, &(0x7f000067fff8)='syscall\x00') sendfile(r0, r4, &(0x7f0000000000), 0x3) syz_kvm_setup_cpu$x86(r0, r0, &(0x7f0000fe6000/0x18000)=nil, &(0x7f0000000040)=[@text16={0x10, &(0x7f00000002c0)="0fc7990a00650f060f234c6766c7442400260e00006766c7442402d50800006766c744240600000000670f0114240f18de0fc798d6720f01df0fc71bba6100edea00305900", 0x45}], 0x1, 0x40, &(0x7f0000000140)=[@flags={0x3, 0x2004}], 0x1) 2018/05/07 00:19:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x5442000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:49 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x2800]}}, 0x1c) 2018/05/07 00:19:49 executing program 2: pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f00000001c0), 0xfffffef3) sched_setaffinity(0x0, 0x8, &(0x7f0000001b00)=0x9) write$tun(r0, &(0x7f0000000000)={@void, @void, @mpls={[{0x40, 0x9, 0x7, 0x5}, {0x6, 0x2, 0xffffffff, 0x1f}, {0x4ceb, 0x8, 0x6, 0x6}, {0x3, 0x2, 0x80, 0x2}, {0x8, 0xfffffffffffffffb, 0x4, 0x4}], @generic="f38aaa649b6fb6336f8aac7ff7032a18f8905399bda75840771b8e7be6fab614f8e68bed43e4349203621fba48d18d4a23763e3ff01287d9047c2d15349779191d0c2e255f48be059eefd499de6c7ae880bb505f26d3c3bafaa9d1557dd581bdd6a2a3f85a92f89346c79229206929273776ffb0857290d97adf6803dd36b29cf7ffff6574fa4796603af4aeb88f140aa53b5651d29b8ed107038a58c4"}}, 0xb1) read(r0, &(0x7f0000000200)=""/250, 0x50c7e3e3) 2018/05/07 00:19:49 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4) exit(0xfffffffffffffffb) connect$inet6(r0, &(0x7f0000000080)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x13a) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)={0x303, 0x33}, 0x4) [ 622.823008] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:49 executing program 7: r0 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x2, 0x400400) write$rdma_cm(0xffffffffffffffff, &(0x7f0000000640)=@create_id={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000600)={0xffffffff}, 0x13f, 0x1004}}, 0x20) write$rdma_cm(r0, &(0x7f0000000680)=@init_qp_attr={0xb, 0x10, 0xfa00, {&(0x7f00000001c0), r1, 0x1}}, 0x18) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) open_by_handle_at(r2, &(0x7f00000000c0)={0x95, 0x4, "a36349b0a8cf9c0add5820ae75e1180c31bd6d4d7bdb19c3ba0415ec7e089a4f865a96c37f9ec55054674b546182721df074837e5ad18db534022c3c669304b8de57c4a65d4a5b3cf0c961ff485c018da3201bf6497ff6449b95498cdff69b0dc97082f6f004eff6e0dc38502306a3e1645e314456374da27c192363ab8eb2935952803339542c454affa70bb0"}, 0xa000) r3 = socket$packet(0x11, 0xfffffffffffefffe, 0x300) getsockopt$packet_int(r3, 0x107, 0x9, &(0x7f0000000000), &(0x7f0000000080)=0x4) ioctl$VHOST_SET_VRING_BASE(r0, 0x4008af12, &(0x7f0000000280)={0x1, 0x9}) [ 622.880205] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff88]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:49 executing program 7: r0 = syz_open_dev$sndtimer(&(0x7f0000014000)='/dev/snd/timer\x00', 0x0, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x8000, 0x0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x521200, 0x0) ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, r2) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000001000)={{0x3}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, &(0x7f000001cfb0)={0x0, 0x0, 0x80}) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f0000000000)=0x87) 2018/05/07 00:19:49 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe]}}, 0x1c) 2018/05/07 00:19:49 executing program 1: modify_ldt$read(0x0, &(0x7f0000000000)=""/32, 0x20) r0 = socket(0x10, 0x2, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x200, 0x0) ioctl$KVM_GET_PIT(r1, 0xc048ae65, &(0x7f0000000080)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000300)={0x0, 0x0}, &(0x7f0000000340)=0xc) setreuid(0x0, r2) 2018/05/07 00:19:49 executing program 7: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt(r0, 0x400000000000003a, 0x0, &(0x7f0000000f44)=""/188, &(0x7f0000000000)=0xbc) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x3, 0x111400) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080), &(0x7f00000000c0)=0x8) 2018/05/07 00:19:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:49 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x40020000]}}, 0x1c) [ 623.165551] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:49 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa2060000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:49 executing program 1: r0 = socket(0x10, 0x802, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x2, 0x2000) write(r0, &(0x7f0000fcf000)="240000001a0025f0006bb40400000800020b00ff0010b500001000eb0800090000ffe5b7", 0x24) sendmsg(r1, &(0x7f0000002280)={&(0x7f0000000040)=@ipx={0x4, 0x7fffffff, 0x9, "15d638531692", 0x3ff}, 0x80, &(0x7f0000001200)=[{&(0x7f00000000c0)="f4c7903648197c5fef752433bef515fdda438bce82650844bda8d7fe9d190c021fd4436b9521ec3eeaa6b8e4040d1008621c3efc0415ad6c8308", 0x3a}, {&(0x7f0000000100)="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0x1000}, {&(0x7f0000001100)="a2334eec14048ecfe449f5efa0fde0b92ac1ac7ee13160ade21942826f2743f0618bbfdd1322382c32d55f736304780b3c64dd718dc7d98b6cf8852ce97f1e6b6c8eda8ecd53f1b5eb791f2414c85729bcca0651ca2cffbdb0101ad8b77c6a54a8e0085e2582ea0f23da896e6ddfaecbdc9a1a3f1c45a2c0dde5e883acc6c069419fc08418ae7014ff376fdf3fa4022e546a5be430c9921870bef9a4e20546500dd14bd9972f55769fd59a531d69f05dcf174f6c9b4ac287df70df88eed497fba14332ab07a709220386c020b09d0a879f60e5494ebf83f81744d70d3a95beaa0c8c2187503a9b0ad95be58d1af1ba8fa9841a8fd4b678ca", 0xf8}], 0x3, &(0x7f0000001240)=ANY=[@ANYBLOB="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0x1010, 0x10}, 0x40) 2018/05/07 00:19:49 executing program 7: syz_emit_ethernet(0x3e, &(0x7f0000abd000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x2f, 0x0, @rand_addr, @rand_addr}, @icmp=@parameter_prob={0x21, 0x0, 0x0, 0x3, 0x0, 0xffffff80, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @rand_addr}}}}}}, &(0x7f0000000040)={0x0, 0x0, [0x0, 0x909]}) 2018/05/07 00:19:49 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 623.442225] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:50 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000440)='/dev/ptmx\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x70, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x400000000e) r2 = dup3(r1, r0, 0x0) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r2, 0x84, 0x1e, &(0x7f0000000040), &(0x7f0000000080)=0x4) setsockopt(r2, 0x4, 0x1ff, &(0x7f00000000c0)="405a08dc679857a38b2f42a7af12b220088b408f7d76d2a6e5577516c216f1f918c41f5e25bf5f02e3f87c7ebbb29c07c333d4a3bf044fd0e5835677cfc941bc56ef07c52481c3bc36457b7378e2880982d85c9da90e87ee4450f33747ec79e3a6da82ca7cf7057b52b2c5fc54a44b3cab792800dc135ce194b726ec5c193b1c155e63d169", 0x85) 2018/05/07 00:19:50 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:50 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x800000) sendmsg$nl_generic(r0, &(0x7f0000023000)={&(0x7f0000024000)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000010ec4)={0x1c, 0x2d, 0xb01, 0x0, 0x0, {0x3}, [@typed={0x8, 0x66, @uid}]}, 0x1c}, 0x1}, 0x0) 2018/05/07 00:19:50 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe000000]}}, 0x1c) 2018/05/07 00:19:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'vmac(aes)\x00'}, 0x58) r1 = fcntl$getown(r0, 0x9) fcntl$setownex(r0, 0xf, &(0x7f0000000100)={0x0, r1}) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000040)="81081800001d000000010054409d0954", 0x10) r2 = accept(r0, 0x0, &(0x7f00000005c0)=0xffffffffffffffad) syz_open_dev$admmidi(&(0x7f0000000180)='/dev/admmidi#\x00', 0x0, 0x0) sendmsg$IPVS_CMD_GET_CONFIG(r2, &(0x7f00000000c0)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, 0x0, 0x0, 0x0, 0x0, {0xd, 0xef48dd819c7df0b7}}, 0x1eb}, 0x1}, 0x0) 2018/05/07 00:19:50 executing program 7: r0 = socket(0x10, 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) accept$nfc_llcp(0xffffffffffffffff, &(0x7f0000000140), &(0x7f00000000c0)=0x60) write(r0, &(0x7f0000000100)="220000001400070000e800000100030002080800010000000800020041d80af0f055", 0x22) mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1) setsockopt$IP_VS_SO_SET_ADDDEST(r0, 0x0, 0x487, &(0x7f0000000040)={{0x9f, @multicast1=0xe0000001, 0x4e24, 0x10002, 'nq\x00', 0x1, 0x4, 0xe}, {@local={0xac, 0x14, 0x14, 0xaa}, 0x4e23, 0x1, 0xffff, 0xfffffffffffff800, 0x4}}, 0x44) openat$rtc(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rtc0\x00', 0x525000, 0x0) socket$inet_udp(0x2, 0x2, 0x0) 2018/05/07 00:19:50 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x32000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 624.299969] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 624.301688] netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. [ 624.320834] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:50 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x33]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:50 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000100)='cgroup.subtree_control\x00', 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$BLKTRACESTART(r2, 0x1274, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(0xffffffffffffffff, 0xc10c5541, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, [], [], [], 0x0, 0x6}) writev(r1, &(0x7f0000000180)=[{&(0x7f0000000000), 0x1}], 0x1000000000000030) [ 624.351302] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 624.380120] netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. 2018/05/07 00:19:50 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000300)=ANY=[@ANYBLOB="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"]) r3 = syz_open_dev$mice(&(0x7f00000002c0)='/dev/input/mice\x00', 0x0, 0x20080) accept$ax25(r3, &(0x7f0000000240), &(0x7f0000000280)=0x10) sendmsg$nfc_llcp(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x27, 0x1, 0x2, 0x7, 0xffff, 0x80, "0d1019b42d1cc33171dae046d19e7a128bcd8a1d69bf82556ee1dedee34bd027bbcd073cde936f9c7b5d842ad2dad87a68bda8282d0878011081244b3f8d77", 0x31}, 0x60, &(0x7f0000000080), 0x0, &(0x7f00000000c0)={0xb8, 0x11f, 0x8001, "a88bf54d20294b2e897230e29755516e7b6510504314e6a4cf4025c8553211614dc713790cc39bb057bda418bfe63f2541668cf3f7ee89d2be8c0ec99e8dcf4c60f57181ad003fc05a09bbd8cfe7c6989b129ecba4da7af3f88b872bf5001129277fbb25e0643e1d0f48a9eba96f744bc8c2b08c345e6436851e56535e31424f4d76d7253885d2ea9e31b052ddd13ba748662bbbac06afcc7d09beaa0d80e0ebc900"}, 0xb8, 0x7a8b0e11d950f9f6}, 0x80) 2018/05/07 00:19:50 executing program 1: r0 = socket$pptp(0x18, 0x1, 0x2) socketpair$inet6_sctp(0xa, 0x0, 0x84, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendfile(r0, r1, 0x0, 0x5) openat$ptmx(0xffffffffffffff9c, &(0x7f000051cff6)='/dev/ptmx\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x2, 0x0) getsockopt$netrom_NETROM_T4(r2, 0x103, 0x6, &(0x7f0000000140)=0xff, &(0x7f0000000180)=0x4) setsockopt$inet6_int(r2, 0x29, 0x46, &(0x7f0000000280), 0x4) getsockopt$inet6_mtu(r2, 0x29, 0x46, &(0x7f0000000000), &(0x7f0000000040)=0x4) r3 = msgget$private(0x0, 0x520) msgsnd(r3, &(0x7f0000000380)=ANY=[], 0x0, 0x0) r4 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x80000, 0x0) getsockopt$inet6_mtu(r4, 0x29, 0x17, &(0x7f00000001c0), &(0x7f0000000340)=0x4) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r4, 0x6, 0x16, &(0x7f0000000080)=[{0xe, 0xffffffffffffffff}, {0x7d09942ad9ae073f, 0x1}, {0xe, 0x4928}, {0x3, 0x1f}, {0x0, 0x2161}, {0x0, 0xff}, {0x8, 0x7}, {0x2, 0x400}, {0x2, 0x7}], 0x9) mkdirat$cgroup(r4, &(0x7f0000000040)='syz1\x00', 0x1ff) getsockopt$bt_rfcomm_RFCOMM_LM(r4, 0x12, 0x3, &(0x7f0000000200), &(0x7f0000000240)=0x4) msgsnd(0x0, &(0x7f00004adff7)={0x2}, 0x8, 0x0) msgctl$IPC_RMID(0x0, 0x0) 2018/05/07 00:19:51 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x18020000]}}, 0x1c) 2018/05/07 00:19:51 executing program 7: r0 = shmget$private(0x0, 0x2000, 0x480, &(0x7f0000ffb000/0x2000)=nil) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) r2 = getegid() r3 = getuid() lstat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getpgid(0xffffffffffffffff) r6 = getpgid(0x0) shmctl$IPC_SET(r0, 0x1, &(0x7f00000001c0)={{0x7f, r1, r2, r3, r4, 0x2, 0x2}, 0x500000000, 0x0, 0x7d, 0x7, r5, r6, 0xf066}) r7 = socket(0x2000800000010, 0x3, 0x0) write(r7, &(0x7f0000000040)="26000000130047f100007fff590022ff001000e3010000000000000000ebff00060010000535", 0x26) 2018/05/07 00:19:51 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:51 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="b9", 0x1, 0x0, &(0x7f0000000000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000002c0)={0x0, 0x2}, 0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140), &(0x7f0000000600)=0xffffffffffffffcc) [ 624.551494] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 624.563590] netlink: 'syz-executor7': attribute type 16 has an invalid length. [ 624.571087] device lo left promiscuous mode 2018/05/07 00:19:52 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x8001}, 0x1c) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x40008001}, 0x1c) bind$inet6(r0, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000002c0)) r2 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x800, 0x141100) setsockopt$inet_opts(r2, 0x0, 0xd, &(0x7f0000000080)="05efb9e056a3ced2ffa8ffb9bd61407a006c79918e153863f257f39bcbcd68341492ca58415d2ea864ada22b2a308cf3c21159", 0x33) 2018/05/07 00:19:52 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1f000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:52 executing program 7: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x400002, 0x0) getsockopt$inet6_udp_int(r0, 0x11, 0x66, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/05/07 00:19:52 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x493e0]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:52 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x1, 0x0) ioctl$DRM_IOCTL_AGP_ENABLE(r0, 0x40086432, &(0x7f00000000c0)=0x5) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000080)='net/ip6_flowlabel\x00') syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x3, 0x0) dup2(r1, r2) 2018/05/07 00:19:52 executing program 1: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000c06ff0)='/dev/sequencer2\x00', 0x403e, 0x0) setsockopt$inet_udp_int(r0, 0x11, 0x66, &(0x7f0000000040)=0x2, 0x4) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000b18000)={{0xffffff92}, {0xffffffe0}}) socket$inet_icmp_raw(0x2, 0x3, 0x1) open_by_handle_at(r0, &(0x7f00000000c0)={0x7a, 0x7, "12e2ef73203bda1f1270304a8af09991993cdd5c8c1bc7c325db42ee85b633e94e7c008942b23f640d7eb2016c4b7412bb76a44ff71c6b0d20c71f6de0c1febbbe9433adaf51a3d4b7d4d0056ef795224cdaa4d12b8e0c8eca8dcf769920660bc4c2a8b35f30611dba3796078bbcf3b4a200"}, 0x8600) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, &(0x7f0000000080)=0xffffffffffffff50) 2018/05/07 00:19:52 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x700]}}, 0x1c) 2018/05/07 00:19:52 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:52 executing program 7: syslog(0x3, &(0x7f0000000000)=""/8, 0x8) [ 625.644168] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 625.663840] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:52 executing program 2: r0 = openat$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$binfmt_aout(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="fa"], 0x1) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000025000/0x18000)=nil, &(0x7f0000000200)=[@textreal={0x8, &(0x7f0000000240)="0f08360f30ba430066edbaf80c66b8ac525a8566efbafc0c66b80010000066efba4200ec0f2257b80a008ed0f426650fc71866b95009000066b80800000066ba000000000f30", 0x46}], 0x1, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x47}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x2, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x80000, 0x0) ioctl$TUNSETNOCSUM(r3, 0x400454c8, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/07 00:19:52 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xc0fe]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:52 executing program 3: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x101400, 0x0) setsockopt$sock_void(r0, 0x1, 0x1b, 0x0, 0x0) perf_event_open(&(0x7f0000000200)={0x4, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) move_pages(0x0, 0x1, &(0x7f0000000880)=[&(0x7f0000ffd000/0x2000)=nil], 0x0, &(0x7f00000008c0), 0x0) r1 = semget$private(0x0, 0x2, 0x6) semctl$SEM_INFO(r1, 0x0, 0x13, &(0x7f0000000040)=""/47) 2018/05/07 00:19:52 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe803]}}, 0x1c) 2018/05/07 00:19:52 executing program 1: mlockall(0x80000000006) r0 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x5, 0x2a081) setsockopt$inet_tcp_TLS_TX(r0, 0x6, 0x1, &(0x7f0000000040)={0x303, 0x33}, 0x4) mmap(&(0x7f0000000000/0xb000)=nil, 0xb000, 0x3, 0x48010, 0xffffffffffffffff, 0x0) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000fe3)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) munlockall() 2018/05/07 00:19:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa4300000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:52 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/conntrack\x00', 0x2, 0x0) getsockopt$netrom_NETROM_T4(r2, 0x103, 0x6, &(0x7f0000000040)=0x7, &(0x7f0000000100)=0x4) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000000280)={{0x105000, 0x2, 0xa, 0x5, 0xd8, 0x3, 0x1, 0x8, 0xffff, 0x2, 0x9, 0x5}, {0x100000, 0x5004, 0xf, 0x8000000, 0x100000000, 0x684e31a5, 0x3ff8000000000, 0x5, 0x4c, 0x17b56fa4, 0x200000000000000, 0x9}, {0x2000, 0x4002, 0xd, 0x80000001, 0x6, 0x7, 0x7ff, 0x4, 0x0, 0x2, 0x903, 0xf7f6}, {0x4, 0xf000, 0x4, 0x8, 0x1800, 0x9c, 0x1ff, 0x401, 0x10001, 0x3, 0x2, 0x16}, {0x0, 0x0, 0xe, 0x6, 0xfffffffffffffffa, 0x81, 0xffff, 0x1, 0x4, 0x9, 0x4, 0x3}, {0x4, 0x107004, 0xf, 0x1b3, 0xfffffffffffff45b, 0x3, 0x3a, 0x8000, 0x80000001, 0x0, 0x800, 0x43}, {0x1f000, 0x7002, 0xd, 0xfffffffffffffff7, 0x8, 0x7, 0x7fffffff, 0x616a, 0x4, 0x5, 0x0, 0x2}, {0x100000, 0x5000, 0xa, 0x416e, 0x40, 0x8, 0xc04, 0x101, 0x5, 0x80000000, 0xf9, 0x3}, {0x10001, 0x2000}, {0x6000, 0x3000}, 0x40010004, 0x0, 0xf000, 0x100, 0x7, 0x0, 0x0, [0x10000, 0x5, 0x1f]}) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f0000ade000)={0x4, 0xffffffffffffffff}) ioctl$KVM_SET_DEVICE_ATTR(r3, 0x4018aee1, &(0x7f00000000c0)={0x0, 0x4000000000001, 0x2, &(0x7f0000000080)=0xfffffffffffffffe}) 2018/05/07 00:19:52 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 626.467273] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:53 executing program 3: r0 = syz_open_dev$midi(&(0x7f0000000080)='/dev/midi#\x00', 0x0, 0x100) getsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000140), &(0x7f0000000100)=0xfffffffffffffd6c) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) utime(&(0x7f0000c4c000)='./file0\x00', &(0x7f0000a98000)={0x3}) mprotect(&(0x7f0000a9a000/0x1000)=nil, 0x1000, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000a98000/0x2000)=nil}) ioctl$KVM_SET_SREGS(r3, 0x4138ae84, &(0x7f0000c9bec8)={{0x0, 0x0, 0x0, 0x2}, {0x0, 0x0, 0x0, 0x0, 0x9}, {}, {}, {}, {}, {}, {}, {}, {0x1000}, 0xfffffffffffffffc}) ioctl$KVM_TRANSLATE(r3, 0xc018ae85, &(0x7f0000000000)) 2018/05/07 00:19:53 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:53 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4000002000000000]}}, 0x1c) 2018/05/07 00:19:53 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x6c04000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x400002, 0x0) readv(r1, &(0x7f0000000380)=[{&(0x7f0000000080)=""/205, 0xcd}, {&(0x7f00000001c0)=""/84, 0x54}, {&(0x7f0000000000)=""/10, 0xa}, {&(0x7f0000000280)=""/195, 0xc3}], 0x4) sendmsg$nl_route(r0, &(0x7f0000002fe4)={&(0x7f0000000180)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB="2c0000001200150300000000000000000000000023ebd5c870b8a4bc3da173e26ccd2270fa83c6a6ebfcd2e0f6e721e946ec60748fecd060b43f1631ade9048b29daad6be5f3cd1acc2cc59d2b42925b5ba1ccfe69c86812c3eebbc4a5ed9b34daa9be226620e9adcac1b9d3c19b74fb47149daef866e3d5a15df3fdc0", @ANYRES32=0x0, @ANYBLOB="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"], 0x2c}, 0x1}, 0x0) [ 626.635574] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:53 executing program 7: mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000000)={'sit0\x00\x00\x00\x00\x00\x00\x00\x00\x00\b\x00', 0x402}) r1 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x40202) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000000180)={0x20000000000002ac, &(0x7f0000000140)}) 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$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x8000}) 2018/05/07 00:19:53 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000f00)=@nat={'nat\x00', 0x19, 0x2, 0xb40, [0x20000100, 0x0, 0x0, 0x20000be0, 0x20000c10], 0x0, &(0x7f0000000000), &(0x7f0000000100)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x2, [{{{0x3, 0x0, 0x0, 'eql\x00', 'ip6_vti0\x00', 'sit0\x00', 'ip6tnl0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], @link_local={0x1, 0x80, 0xc2}, [], 0x948, 0x948, 0x980, [@among={'among\x00', 0x8b0, {{0x20, 0x0, 0x0, {[], 0x6, [{[], @local={0xac, 0x14, 0x14, 0xaa}}, {[0x0, 0x1ff], @broadcast=0xffffffff}, {[], @dev={0xac, 0x14, 0x14}}, {}, {[], @dev={0xac, 0x14, 0x14}}, {[], @rand_addr}]}, {[], 0x6, [{}, {[], @loopback=0x7f000001}, {[], @local={0xac, 0x14, 0x14, 0xaa}}, {[], @dev={0xac, 0x14, 0x14}}, {[], @remote={0xac, 0x14, 0x14, 0xbb}}, {[], @multicast1=0xe0000001}]}}}}]}}, @snat={'snat\x00', 0x10, {{@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}}}, {{{0x9, 0x0, 0x0, 'ipddp0\x00', 'gretap0\x00', 'irlan0\x00', 'yam0\x00', @random="7ce4b22e5be3", [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x70, 0xf8, 0x130}, [@common=@LED={'LED\x00', 0x28, {{'syz1\x00'}}}, @snat={'snat\x00', 0x10, {{@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}}}]}, @snat={'snat\x00', 0x10}}]}, {0x0, '\x00', 0x2, 0xffffffffffffffff}, {0x0, '\x00', 0x2, 0xffffffffffffffff}]}, 0xbb8) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x0, 0x400000) openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0x240000, 0x0) stat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000c40)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000cc0)={{{@in=@remote={0xac, 0x14, 0x14, 0xbb}, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x4e22, 0x1, 0x4e23, 0x0, 0xa, 0x80, 0xa0, 0x0, 0x0, r2}, {0x26, 0x1, 0x7, 0x7, 0x2ab, 0xcf, 0x8, 0x8}, {0x89e, 0x100000000, 0x1, 0x9}, 0x100000000, 0x0, 0x1, 0x0, 0x3, 0x3}, {{@in=@broadcast=0xffffffff, 0x4d4, 0x33}, 0xa, @in=@dev={0xac, 0x14, 0x14, 0x16}, 0x3506, 0x3, 0x0, 0x4, 0x6, 0x7, 0x9949}}, 0xe8) [ 626.681527] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:53 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:53 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6, &(0x7f0000000a40)={0x0, 0x7c, "dabbbb7d484eee51684675d7742efbc80935f9dcd11dea655edc16e69b124038ba0fb60415e8e918525a5c66f0ba17eeca22aa7174a6780464932812cd50ec5184ffa1ab64f24a85e580b4f7a77256b0cca3600b4e193ac645777e60dae4eff826b6a093634763f88de02611f3b30d9c31b9fea892ff207a9c7ad9dd"}, &(0x7f0000000100)=0x84) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='mountinfo\x00') openat$cgroup_procs(r1, &(0x7f0000000040)='tasks\x00', 0x2, 0x0) 2018/05/07 00:19:53 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x80, 0x50bc02) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f00000000c0)={0x0, 0x3}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000140)={0x0, 0x3, 0x30, 0x4e9e, 0x5f}, &(0x7f0000000180)=0x18) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000002c0)={r1, @in={{0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x0, 0x1}, &(0x7f0000000380)=0x58) r2 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x1, 0x0) ioctl$int_in(r2, 0x800000c0045005, &(0x7f0000000000)) [ 626.783344] netlink: 12 bytes leftover after parsing attributes in process `syz-executor1'. [ 626.804589] netlink: 12 bytes leftover after parsing attributes in process `syz-executor1'. 2018/05/07 00:19:53 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x500000000000000]}}, 0x1c) 2018/05/07 00:19:53 executing program 1: socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000040)={{0x2, 0x4e24, @rand_addr=0x3}, {0x306, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x58, {0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, 'veth0_to_bridge\x00'}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000200)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(xtea-generic)\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000b", 0x10) sendmmsg$alg(r2, &(0x7f0000002c80), 0x492492492492698, 0xfffffffffffffffc) recvmsg(r2, &(0x7f0000000740)={&(0x7f0000000180)=@pppoe={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000005c0)=[{&(0x7f00000002c0)=""/18, 0x12}, {&(0x7f0000000540)=""/42, 0x2a}], 0x2, &(0x7f0000000640)=""/231, 0xe7}, 0x0) 2018/05/07 00:19:53 executing program 7: clone(0x200, &(0x7f0000fbf000), &(0x7f0000000000), &(0x7f0000000100), &(0x7f00000000c0)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000a7bfc8), &(0x7f0000002680)) r0 = gettid() r1 = openat$rtc(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/rtc0\x00', 0x10000, 0x0) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000340)={'filter\x00', 0x7, 0x4, 0x480, 0x140, 0x140, 0x280, 0x398, 0x398, 0x398, 0x4, &(0x7f0000000300), {[{{@uncond, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@random="373f54bfb368", @mac=@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x20}, @multicast2=0xe0000002, @broadcast=0xffffffff, 0xf, 0x1}}}, {{@uncond, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@empty, @empty, @broadcast=0xffffffff, @multicast2=0xe0000002, 0xf}}}, {{@arp={@broadcast=0xffffffff, @dev={0xac, 0x14, 0x14, 0xe}, 0x0, 0xffffffff, @empty, {[0xff, 0xff, 0x0, 0xff, 0xff, 0xff]}, @empty, {[0xff, 0xff, 0xff, 0x0, 0xff, 0xff]}, 0xa75, 0x4, 0x8, 0x3, 0x4, 0x8, 'veth0\x00', 'bond0\x00', {0xff}, {0xff}, 0x0, 0x149}, 0xf0, 0x118}, @unspec=@CLASSIFY={0x28, 'CLASSIFY\x00', 0x0, {0x5}}}], {{[], 0xc0, 0xe8}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x4d0) kcmp(r0, r0, 0x3, 0xffffffffffffffff, 0xffffffffffffffff) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = open(&(0x7f0000363ff8)='./file0\x00', 0x401, 0x0) sendmsg$nl_netfilter(r2, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x170, 0x10, 0x0, 0x8, 0x70bd25, 0x25dfdbfc, {0x7, 0x0, 0x9}, [@typed={0x4, 0xa}, @nested={0x158, 0x7, [@typed={0x8, 0x89, @fd=r2}, @generic="795bcc68e09e353fe40018704e61de62694f48d38888385019418603cb6b301dc42cd165cb7b6a5b39f2f5866f11e267523930a6ef2d9c0fcd0c29f4172b522de4db2be63b84f6fd0a1042afe016675cc21455bbfba725b7e36b2422650213e684dbec89f08af4e31d", @generic="02b95f153a332f1a89568564aa2132c7df665121b8a9b6dc1ca9f9344ba49623de1b5ffe846fb713a134ec01e57dd2d8e3f07a79970e56eb4c06a568eea73ab82d8ff5b997e88eec8d94ac2c0ca662dcaa03baf53727efcaf94ca5d6207a7af14bb97a7d0136755e1eca42bb274299fc1f87781aa6a3b9c8680fa1fa1234c820c262bef17ac5e1afcc596710", @typed={0x8, 0x79, @pid=r0}, @generic="8c5e59dd6bd27fbc320c938e219371d099962d2e97af2f84e6e47c6d873dd6b980d21ce6ec91f3dc2dfa634fb85ac00d7e2e37c6a2405335073a157a06bc2dad2aa3f343162f3f92f8517cd5"]}]}, 0x170}, 0x1, 0x0, 0x0, 0x40}, 0x24048001) 2018/05/07 00:19:53 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 626.906390] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x54550100]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:54 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa206000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:54 executing program 7: r0 = socket$can_raw(0x1d, 0x3, 0x1) r1 = syz_open_dev$dmmidi(&(0x7f0000000200)='/dev/dmmidi#\x00', 0x7, 0x200000) setsockopt$inet6_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000240)={@in={{0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x2, 0x40, 0x3, "ca96bb232a2ba1f653d70522b7697a4e5666ae04804026c7ea7cb8d8a809f61584837c5bebdfc70bae5e060de3cb4ed955ac14ec3f182b7d85bc3b262a71b78b859b3a6783be77e67b412b8f8cc8dda4"}, 0xd8) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000007000)={'vcan0\x00', 0x0}) setsockopt(r0, 0x65, 0x10000000002, &(0x7f0000000000)="c8d63f23", 0x4) ioctl$sock_inet_SIOCGIFNETMASK(r0, 0x891b, &(0x7f00000000c0)={'veth1\x00', {0x2, 0x4e23, @loopback=0x7f000001}}) bind$can_raw(r0, &(0x7f0000af7000)={0x1d, r2}, 0x10) bind$can_raw(r0, &(0x7f0000000080)={0x1d}, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000100)='/dev/vcsa#\x00', 0x7, 0x2) ioctl$UFFDIO_UNREGISTER(r3, 0x8010aa01, &(0x7f0000000140)={&(0x7f0000ffc000/0x1000)=nil, 0x1000}) r4 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x7, 0x0) setsockopt$inet6_opts(r4, 0x29, 0x39, &(0x7f0000000180)=ANY=[@ANYBLOB="11030000000000000484224aacd6e0bba53701ebc8000000040000000000171d75d6f07d5fa7d2f22c6378ace0d6d867b66071ccd90012eb591a3b3a7b27078dbbf92254a8fb40f7371847b428557ffed6fbdf67b2e2d314979b4d8d82d43eb236f154e6e151e621d6678956cfff90dafbe63e"], 0x20) getsockopt$ax25_int(r3, 0x101, 0x4, &(0x7f0000000340), &(0x7f0000000380)=0x4) 2018/05/07 00:19:54 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000080)={0x79}) r2 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x5, 0x800) setsockopt$inet_MCAST_JOIN_GROUP(r2, 0x0, 0x2a, &(0x7f0000000280)={0x1, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x14}}}}, 0x88) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000200)={0x74, 0x0, [0x7]}) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) 2018/05/07 00:19:54 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x54000000]}}, 0x1c) 2018/05/07 00:19:54 executing program 2: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000000c0), 0xc) r1 = syz_open_dev$adsp(&(0x7f0000000200)='/dev/adsp#\x00', 0x3, 0x80) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'team_slave_1\x00'}) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000100)={{{@in, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @dev}}, 0x0, @in=@broadcast}}, &(0x7f0000000080)=0xe8) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000300)={0x0, 0xa3, 0x1, 0x81}, &(0x7f0000000340)=0x10) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f00000003c0)=0x3, 0x4) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(r0, 0x84, 0x23, &(0x7f0000000380)={r3, 0x5}, 0x8) ioctl$TUNSETOWNER(r1, 0x400454cc, r2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000240)=0x14) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000280)={r4, 0x10000, 0x5, [0x1, 0x7, 0x3, 0x5db8f887, 0x80000001]}, &(0x7f00000002c0)=0x12) 2018/05/07 00:19:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:54 executing program 1: clock_gettime(0x0, &(0x7f0000000080)) unshare(0x8000400) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) 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 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x40, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f0000000100)={0x9, &(0x7f00000000c0)=[0x1, 0x5, 0x4, 0x3ff, 0x3, 0xe8d7, 0x6, 0x40, 0xffffffffffffffff]}) mq_timedsend(r0, &(0x7f0000a0ffff), 0x0, 0x0, &(0x7f000066cff0)={0x77359400}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000140)={'eql\x00', 0x8e02}) mq_timedreceive(r0, &(0x7f000033b000)=""/4096, 0x1000, 0x0, &(0x7f0000f36000)={0x0, 0x989680}) [ 627.931714] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 627.936881] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 627.949532] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:54 executing program 2: r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = getpgid(r0) r2 = socket$kcm(0x29, 0x5, 0x0) r3 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x7, 0xa000) ioctl$EVIOCGKEYCODE_V2(r3, 0x80284504, &(0x7f0000000040)=""/27) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000000, 0x10, r2, 0x0) r4 = msgget(0x3, 0x20) msgsnd(r4, &(0x7f0000000080)={0x0, "db2e4ea5ced62822fc732ba6e1c4271b6fb88f9681be3093ddce76c051cdedc9b00ba3c647cb4e6ba2c356d913993999c2676abca20a30a5ad9e9cc450e75f64b35ae8e9cad3a0e2de10e5db90f48f45a5772d8478c5cc47ccf00c5166d7524a1043c378d603144bec79ed3288cf0b4bc2cbbbf31c780d892f01a986746536a9f74c8e1ce22315820ee16b04dd07cdd088a50419cbabff62b3bd4429ee994d1a56b1024af628dafc3c6e315227"}, 0xb5, 0x800) ptrace$setregset(0x4205, r1, 0x206, &(0x7f0000000240)={&(0x7f0000000140)="d62bf2e8bdb1cc70feecc2f94d4346c1bbda5c0ab008bef0f3ab514232f37dd4e4cedae376efc3baa320ffcdc9b66a5cc36afb930f7b2794940bb828c01130f0b6d366c9e6e0b975634e1d758b33126ffdb7744584deadb8d0f9bed864249590c4d01a0d9cc02f316221da5af3746df7c9675dc41e8e0ddcd1ba48fc718a62f2c78748f24776febb00d5c88b28d60da90f361bc2179a39e87ac5b7ce4afec78d10cc29bf1feb96cab08381ccfcf51a47d2600762290084d21728fde16b96714fbc31", 0xc2}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f0000000280), &(0x7f00000002c0)=0x4) ioctl$KVM_SET_PIT2(r3, 0x4070aea0, &(0x7f0000000300)={[{0x2, 0xfffffffffffffffa, 0xfe3a7d0, 0x8, 0xd0d, 0x4, 0x80000001, 0x6, 0x7, 0x6, 0x1, 0x1964, 0x9}, {0x7, 0x7fff, 0x9, 0x9, 0xffffffffffffff01, 0x8, 0xfffffffffffffffd, 0x1, 0x2, 0x9, 0xfffffffffffffffd, 0x7}, {0x4, 0x3, 0x3, 0x10000, 0x1, 0x101, 0x8000, 0x800, 0x5, 0x1, 0x6, 0x2f7, 0x4}], 0x3e}) fstat(r3, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_GET_CLIENT(r3, 0xc0286405, &(0x7f0000000400)={0xfffffffffffffffb, 0x8162, r0, 0x80, r5, 0x4ea9, 0x0, 0x8}) fcntl$setlease(r2, 0x400, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r3, 0x10e, 0xa, &(0x7f0000000440)=0x884, 0x4) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r3, 0x6, 0x21, &(0x7f0000000480)="43efa15b621aa34c7269bb98903d0b68", 0x10) sendto$inet6(r2, &(0x7f00000004c0)="e401491707a4200b4036f89f0332f73ce21af65b07d58899219480114bac8fcf97918cd9bcac1c59f52f0dab4d9a6e7286", 0x31, 0x10, &(0x7f0000000500)={0xa, 0x4e20, 0x1800, @dev={0xfe, 0x80, [], 0x1a}, 0x8}, 0x1c) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000580)='IPVS\x00') sendmsg$IPVS_CMD_DEL_SERVICE(r3, &(0x7f0000000680)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x70, r6, 0xf1a, 0x70bd26, 0x25dfdbff, {0x3}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x20}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3f}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x6}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xffff}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xfffffffffffffffa}]}, 0x70}, 0x1, 0x0, 0x0, 0x4884}, 0x20000000) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000006c0)={0x0}, &(0x7f0000000700)=0xc) write$tun(r3, &(0x7f0000000740)={@void, @void, @llc={@snap={0xaa, 0x0, '\'', "2ec222", 0x6005, "b0b83bedd3b5594890ffe778e5102d153199a4bf0e283d3d2ad1b3137641300f1379bf470a2c622af8e05a33a6703fcb41e47d7e4cc4bbfbc2796cc91cb9117d09d6d16f276701754bf79c9832dd3a5ae57c5176dc2cfa0ea04fb1f373edef64358db1c33eefc9a072327583c6c7483eb6f82bac040b29def8096310c52685229812c6455d4857d967ee574f3239"}}}, 0x96) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r3, 0x4010ae74, &(0x7f0000000800)={0x6, 0x6, 0x9}) ioctl$sock_inet_sctp_SIOCINQ(r3, 0x541b, &(0x7f0000000840)) getsockopt$inet_sctp_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000880), &(0x7f00000008c0)=0x4) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000900)=0x7, 0x4) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r3, 0x84, 0x75, &(0x7f0000000940)={0x0, 0x9}, &(0x7f0000000980)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f00000009c0)={r8, 0xf5, "6e4379570e4f59725f97612d4b0d7b668f3e72d43ac8f648ef78d34138c83bda7a726800b33554ef3c050e993d06bdcf175eccc8064359de400f69c7614ebcd5cd1777b2fb6a3e48f0009cce25fb19500fc06eee1f1d1666c5df33d852a1bb153ef157213ccf70d3d51f8863c23ba4fd84f596e86d30064053e4eab0d0095a9195874cd8115e20837e2112965fd9ca8fb4d7c95d0159eca456fd7e38acc2e16b022434ca29e800971e5131ca7bd6490ba15e1b8e3896dcc0e35852f830bfae179d0f62817a7600c34d3db11e39da7fce9eba54eea0e9f8adb6ce414b4973801513b26555849cffc9656f1cde60e182c8ef3f03b9af"}, &(0x7f0000000ac0)=0xfd) setsockopt$packet_fanout_data(r3, 0x107, 0x16, &(0x7f0000000b40)={0x7, &(0x7f0000000b00)=[{0xff, 0x2bc, 0x9, 0x4}, {0xb12, 0x1400000000000, 0x3, 0x8}, {0x6, 0x6, 0x8, 0x10000000000000}, {0x2, 0xc2e1, 0x7ff, 0x2}, {0x2, 0x8, 0x5, 0x8}, {0x58b9d56e, 0x3, 0x3, 0x4}, {0x1, 0x8, 0x6, 0x8}]}, 0x10) ioctl$TIOCGWINSZ(r3, 0x5413, &(0x7f0000000b80)) waitid(0x3, r7, 0x0, 0x9, &(0x7f0000000bc0)) 2018/05/07 00:19:54 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xa00000000000000]}}, 0x1c) 2018/05/07 00:19:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000000000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:54 executing program 7: perf_event_open(&(0x7f000025c000)={0xffffffffffffffff, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x2000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000480)={&(0x7f0000000280)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="1cff000000000000000000000000000000", @ANYRES32=0x0], 0x1c}, 0x1}, 0x0) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000040)='yam0\x00') 2018/05/07 00:19:54 executing program 3: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETNOCSUM(0xffffffffffffffff, 0x400454c8, 0x0) 2018/05/07 00:19:54 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x3a) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000100)={"95016c2f54494d4552000000000000001ed400"}, &(0x7f0000000080)=0x1e) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000000440), &(0x7f0000000840)=0x4) r1 = socket$nl_crypto(0x10, 0x3, 0x15) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r1, 0x10e, 0x4, &(0x7f0000000040)=0x5, 0x4) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng\x00', 0x400, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r2, 0xc0086420, &(0x7f0000000200)) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f00000005c0)={{{@in=@remote, @in6=@ipv4={[], [], @multicast1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@rand_addr}}, &(0x7f0000000280)=0xe8) fstat(r2, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000740)={{{@in=@multicast2=0xe0000002, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x4e23, 0xffff, 0x4e24, 0x8, 0x2, 0xa0, 0xa0, 0xc, r3, r4}, {0x8001, 0x7f, 0x400, 0x8001, 0x9, 0x1, 0x800}, {0x9cf9, 0x8, 0x2, 0x1}, 0xff, 0x6e6bbd, 0x3, 0x1, 0x3, 0x1}, {{@in=@multicast2=0xe0000002, 0x4d3, 0x2b}, 0xa, @in6=@dev={0xfe, 0x80, [], 0x13}, 0x3504, 0x6, 0x3, 0x4, 0x5, 0x81, 0x4}}, 0xe8) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'bridge0\x00', 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f00000002c0)=0x6) setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000300)={{{@in6=@local={0xfe, 0x80, [], 0xaa}, @in6, 0x4e23, 0x2, 0x4e23, 0x2, 0xa, 0x20, 0x20, 0x0, r5, r6}, {0x80000000, 0x2, 0x19, 0x3d4c, 0x100, 0x8, 0x6, 0x7}, {0x1f, 0x3f, 0x5, 0x1}, 0x200, 0x0, 0x1, 0x1, 0x2}, {{@in=@dev={0xac, 0x14, 0x14, 0xe}, 0x4d5, 0x33}, 0x2, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x3505, 0x4, 0x1, 0x3ff, 0x507, 0xbd89, 0x9}}, 0xe8) setsockopt$inet_sctp6_SCTP_INITMSG(r2, 0x84, 0x2, &(0x7f0000000880)={0x2d9, 0x8, 0x58ce, 0x5b}, 0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000480)={0x0, 0x6c00000000000, 0x30, 0x2, 0x1}, &(0x7f00000004c0)=0x18) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000500)={r7, @in={{0x2, 0x4e22, @multicast2=0xe0000002}}, 0x8000, 0x6, 0x4a198445, 0x7}, 0x98) setsockopt$inet6_int(r0, 0x29, 0xc8, &(0x7f0000000000), 0x4) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000400)={0x0, 0x0, 0x0, 0xe}, 0xc) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xc9, &(0x7f0000000180)={{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}, {0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, 0x5c) 2018/05/07 00:19:54 executing program 1: clock_gettime(0x0, &(0x7f0000000080)) unshare(0x8000400) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x40, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f0000000100)={0x9, &(0x7f00000000c0)=[0x1, 0x5, 0x4, 0x3ff, 0x3, 0xe8d7, 0x6, 0x40, 0xffffffffffffffff]}) mq_timedsend(r0, &(0x7f0000a0ffff), 0x0, 0x0, &(0x7f000066cff0)={0x77359400}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000140)={'eql\x00', 0x8e02}) mq_timedreceive(r0, &(0x7f000033b000)=""/4096, 0x1000, 0x0, &(0x7f0000f36000)={0x0, 0x989680}) 2018/05/07 00:19:54 executing program 7: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={"6966ccdcaf3bffffffffffff00", 0x4001}) ioctl$TUNSETPERSIST(r0, 0x400454cb, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0x400000, 0x0) ioctl$sock_inet_udp_SIOCOUTQ(r1, 0x5411, &(0x7f00000002c0)) [ 628.155319] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x8]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:55 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="79ff36ace3831cb16c"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xfffffffffffffffd, 0x47, &(0x7f0000000000)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x10, 0x3, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/05/07 00:19:55 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x33000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:55 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xff00]}}, 0x1c) 2018/05/07 00:19:55 executing program 2: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x9f0, 0x2) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f0000000040)) r1 = memfd_create(&(0x7f000003affa)='posix_acl_access{Y\x00', 0x0) lseek(r1, 0x7ffffffffffffffb, 0x0) fcntl$lock(r1, 0x5, &(0x7f0000826fe0)={0x0, 0x1, 0x3f}) 2018/05/07 00:19:55 executing program 1: clock_gettime(0x0, &(0x7f0000000080)) unshare(0x8000400) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x40, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f0000000100)={0x9, &(0x7f00000000c0)=[0x1, 0x5, 0x4, 0x3ff, 0x3, 0xe8d7, 0x6, 0x40, 0xffffffffffffffff]}) mq_timedsend(r0, &(0x7f0000a0ffff), 0x0, 0x0, &(0x7f000066cff0)={0x77359400}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000140)={'eql\x00', 0x8e02}) mq_timedreceive(r0, &(0x7f000033b000)=""/4096, 0x1000, 0x0, &(0x7f0000f36000)={0x0, 0x989680}) 2018/05/07 00:19:55 executing program 7: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0x4, 0x4, 0x4, 0x9, 0xfffffffffffffffe}, 0x87) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000080)={r0, &(0x7f0000000040)}, 0x10) openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x2000, 0x0) 2018/05/07 00:19:55 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xe703000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:55 executing program 7: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) open_by_handle_at(r0, &(0x7f0000000040)={0x102, 0x8, "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"}, 0x800) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) creat(&(0x7f0000000180)='./file0\x00', 0x80) r2 = syz_open_dev$sndseq(&(0x7f0000000500)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$TIOCEXCL(r1, 0x540c) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f00000001c0)={0xc1, @time}) [ 628.788644] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 628.805544] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:55 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:55 executing program 2: 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 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x141241, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x3) ioctl$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000180)=ANY=[@ANYBLOB="fbffffffffffffff0000000081000000325052b01841512f7c53f3b84c7cf1cd097cefbba26f2a9838a14c093171ccd8a3334ac705b048b5bbb8b4f1a7c95fd8901867f845a31938729d08164bb7f7e2e726b4108a4270289758ab64d2277f87824400c6d7b93d49593db4a1894f4d886b8f3b23a42f83aaa84a6224ee8e795c07acd9cdc1dfb10f4d253586addab7b4da4630afb2e84f8b18dd4d827b21"]) fchdir(r1) ftruncate(r0, 0x2) poll(&(0x7f0000000080), 0x0, 0x0) flistxattr(r0, &(0x7f0000000140)=""/55, 0x37) 2018/05/07 00:19:55 executing program 3: r0 = socket$inet(0x10, 0x5, 0x40000000) sendmsg(r0, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000004000)=[{&(0x7f0000000040)="240000002100030f07fffd946fa283bc8000000000000000271d8568080018e7d188738e", 0x24}], 0x1}, 0x0) 2018/05/07 00:19:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x1e00000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:56 executing program 1: clock_gettime(0x0, &(0x7f0000000080)) unshare(0x8000400) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) 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 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x40, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f0000000100)={0x9, &(0x7f00000000c0)=[0x1, 0x5, 0x4, 0x3ff, 0x3, 0xe8d7, 0x6, 0x40, 0xffffffffffffffff]}) mq_timedsend(r0, &(0x7f0000a0ffff), 0x0, 0x0, &(0x7f000066cff0)={0x77359400}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000140)={'eql\x00', 0x8e02}) mq_timedreceive(r0, &(0x7f000033b000)=""/4096, 0x1000, 0x0, &(0x7f0000f36000)={0x0, 0x989680}) 2018/05/07 00:19:56 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x3c) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x22, &(0x7f0000000040)=ANY=[@ANYBLOB="05000000020002000000000000000000180000003f00000000000009000000030000000100000000000000ffffffffffffffffe8000000ffffffff18020000ffffffffffffffff18020000ffffffff03040000ac8e230000000000", @ANYPTR=&(0x7f000002bfd0)=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'], @ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a800e800000000000000000000000000000000000000000000000000000054524143450000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a80049030000000000000000000000000000000000000000000000006800435400000000000000000000000000000000000000000000000000000002000000000000000000000000736e6d7000000000000000000000000073797a30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a800d0000000000000000000000000000000000000000000000000008d02000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x163) 2018/05/07 00:19:56 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfc]}}, 0x1c) 2018/05/07 00:19:56 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket(0xd, 0x80000, 0x20000000000000) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f00000000c0)={r2, 0xea42}, &(0x7f0000000c40)=0x8) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000f00)=@nat={'nat\x00', 0x19, 0x2, 0xb40, [0x20000100, 0x0, 0x0, 0x20000be0, 0x20000c10], 0x0, &(0x7f0000000000), &(0x7f0000000f80)=ANY=[@ANYBLOB="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"]}, 0xbc5) r3 = syz_open_dev$dmmidi(&(0x7f0000000cc0)='/dev/dmmidi#\x00', 0x7, 0x4000) ioctl$PIO_SCRNMAP(r3, 0x4b41, &(0x7f0000000d00)="71b7ae3f30627017d4d23aa7648cb217ea9fbffbb3a77e45887e9f90c547d005d98d97ea9c798f6cb8d2785408d4f9ebe4876d4ea85249ce1541ff00201a0450bbf19b86142d9df6170c039c31a3a261a53a1759636c4d52c9906781522de0") ioctl$sock_inet_SIOCGIFPFLAGS(r1, 0x8935, &(0x7f0000000c80)={'veth0\x00', 0x2}) 2018/05/07 00:19:56 executing program 2: r0 = socket$nl_generic(0xa, 0x5, 0x84) r1 = fcntl$dupfd(r0, 0x406, r0) capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f00003fd000)) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000b80)={'bridge0\x00', &(0x7f0000000b40)=@ethtool_ringparam={0x4}}) r2 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x7, 0x0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000040), &(0x7f0000000080)=0x4) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f00000000c0)=0x7fffffff, 0x4) 2018/05/07 00:19:56 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x13000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:56 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 629.624302] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 629.658734] kernel msg: ebtables bug: please report to author: Wrong len argument 2018/05/07 00:19:56 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x30]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 629.671502] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:56 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x7]}}, 0x1c) [ 629.734532] kernel msg: ebtables bug: please report to author: Wrong len argument 2018/05/07 00:19:56 executing program 2: timer_create(0xfffffffffffffffc, &(0x7f0000066000)={0x0, 0x12}, &(0x7f00009b1ffc)) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x484040, 0x0) getpeername$netlink(r0, &(0x7f0000000040), &(0x7f0000000080)=0xc) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0x7, &(0x7f0000000100)={0x4, 0x0, 0x3, 0x4}, 0x10) openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nullb0\x00', 0x200, 0x0) timer_settime(0x0, 0x0, &(0x7f00000001c0)={{}, {0x77359400}}, &(0x7f0000000200)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x989680}, {0x0, 0x9}}, &(0x7f0000040000)) 2018/05/07 00:19:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) lseek(r0, 0x0, 0x4) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000c9bec8)={{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x7900}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x200000, 0x0) ioctl$TIOCNXCL(r3, 0x540d) 2018/05/07 00:19:57 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu\x00', 0x200002, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) read(r1, &(0x7f0000000380)=""/240, 0xb6) r2 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000140)) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000200), &(0x7f0000000280)=0x4) 2018/05/07 00:19:57 executing program 7: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x2, 0x0) mmap$binder(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x3, 0x1010, r0, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e22, 0x5, @empty, 0x80000001}}}, &(0x7f0000000180)=0x84) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000001c0)={r2, 0x5}, 0x8) ioctl$PPPIOCSMRU(0xffffffffffffffff, 0x40047452, &(0x7f0000000080)) syz_open_dev$mice(&(0x7f0000000280)='/dev/input/mice\x00', 0x0, 0x4141) ioctl$EVIOCSABS3F(r0, 0x401845ff, &(0x7f0000000240)={0xdbd, 0x8001, 0x6, 0x0, 0x400, 0x8}) r3 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap$binder(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x8, 0x111, r1, 0x0) dup2(r3, r1) 2018/05/07 00:19:57 executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_int(r0, 0x107, 0x14, &(0x7f0000010ffc)=0x5, 0x4) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x6c02, 0x0) r2 = dup(r0) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000040)={r0, r2}) sendto$inet6(r0, &(0x7f0000003fd9), 0x0, 0x0, &(0x7f0000008000)={0xa, 0x0, 0xf}, 0x1c) 2018/05/07 00:19:57 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:57 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x27000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x5555]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:57 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x1f4]}}, 0x1c) 2018/05/07 00:19:57 executing program 2: 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 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="00000000180000ff0000000000002ee54e2aaa0e0590708d881ec8588aaa12abbd10cd6b58220228b1f6c57c9884ccb2fad7b687864228fbdb92c176a6a76d6567946792ecfa3a9290da73529b5b5e96a01dd6aa724dcbd6bfc641b7f227a01ce3f968600d9f9ded9f758cea7728989551499b15949303a0b83bd195483b0af0497a6974c7c4572e8dd90bf1155ec480dcee46445566845018b6f72315b76e3b07086b722661af861aa34957368d6197b0cf06c7aed6ae75b929213f9027c7271e5d", @ANYPTR=&(0x7f0000001c80)=ANY=[@ANYRES32=0xffffffff], @ANYPTR64=&(0x7f00000002c0)=ANY=[@ANYPTR64, @ANYPTR64, @ANYPTR64=&(0x7f0000001cc0)=ANY=[@ANYPTR64, @ANYBLOB="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", @ANYRES16=r0, @ANYBLOB="b7ba8206be2133bedf408f39b0d3e624b8573b1a96ff4634810aeaead6d3947367c35e5d69c6b970f328c9e06fec30794cda4eac5cea24309ec9641552164ee99c1dd292f4dc28a2bde1d1dea5e20fd845b61448486bf4267def15627cff3fe3ef704c17d60fbd268944f5e4f040b1529f3576a973daddaeda6401856600d0194e762ce378bb37a5831bb55ebe8efc04c75233d220995a8739427f5d6ce31817c383db2e0a2602f314b284d9ff425732b5e6adcd18973bf4cbcd08cb9c0e08b03ae25fb2ec7e11ec118911090ce810251938fb8afb33d4e4103187434a54bb0253088f026d4659412565a72e9fe2bfa70e3149974bb6978a72265dfa91ede2ca6c609e7d650ddb4b6f3c68bdacb712b59d7b3b5ef5056588256391a7f0a7f7fcdc2692432202716d963090058e1f2bca00c85b0f2d6f8d6746a29d820a902bc0a113016c0959431380cda67a2c70e5b4c0fd3551fcca7d8616fae5cd60c3638cb33a8776e53605e25ccc7cd372b536d38442ca2368edbc1310e81530e1960c24a3809b646fcc054257431fa74c3805de1fd79c547798dd7b58a420d7320a7cf570bf8cae140490e47e98bb89d6464fe0cd06cd28372425df180e58e0d6bd0d8313ef6e197ce1f58ddae6851c0e2715226f1ac2622197325bd1eeabca4ef7e6a5319d2eead67ddca6d5e580a202d76d2b32c402e8990737099d4c6d24093814d9a2e072294bb9403c986330aa8c9a8057c4b7b8b5fc65242acae86ede7b3575eb1a8758988866c7cb39a9e8a4ab00d3606ffb996f3c56873a27255ae6dbbe06c57e47ca7690234eb02489f7b9ce8cc1816ed4ffa5d38e04274cafa0539bccaf9c6f4303f4732f895cc7a53395a147e71be3ef541e762c6a87ec47b752a706289d96e2a033e9215daf3bd9c9851d121059fef12cf84f94fda40bbb5971be9b22a2fbf16a90319f3a9b5d2a83c5b941e3c2ab8507d519082b0ed493fa3888152a3e51191da438f54bae230df348218710acb98999e2f35a90d0f1dc6bec1ddf4063989bfd3a1e583cb577864c6a584bfcadf8656f4f84310515e95542ec851bef30ae0df20c0e9cfa4cbc21266d66606bcabf4fae8ac187ae0c09a12fcdb8954aba392469a5330d5235b3dcf27bc68c5b8e24151254cc5c4ad7fdc0ec33f966022769fefd06b59698ac9fcf54fac99b6514f6c7df162d28aec1d6818488a6b1562de10d5164b2aeda7364b56c4d0bad814d18aba2f8f9d9b7aebf584d243d9843c44276327720e79a00b87d4c4672d3d12965f1f1cea27789a351d95bd41649d2b16d005e365192a77d72b23685e2a350e29f3143665aae26509542f7e3881dcd96fc33fced0c1feb87da51676deebfe8ae811b3d8691f4085b96393ed5df2dacb42c54ee09aef99de8141083b82523be603b35f075d3fbd39559975d7e75d5406d6d85138353141683ada4de1833d5fcbd367c352a31347b135a1402fc2a73e47eb92e692b6cb61488f38fbd3df4cdb7bad5fc878b3c656923245fa64072ad318c2b5200e8d1a90320bc7d62ef0b669235eb6be6970eeda035f90df35d33dd7407f568f12bcf6e644624072c112327081ae59ac24ec9d6d8a55bd293e88380999bd471432a5fc0a5f158a8fdf82411f8b2bfdbe66fcda821c1261363280478984f70306882f2f127ad2c48932a60d7ca41866ca531c455baf42d1205d1519240bf25a225b695e30bedf6c9d8982a7039b1865152721a77a6d8cf92a40e74165c7e91224f27a8eea3443460be5be7ef87aba6594c3d9dab9ea9a36d82415347c5ba51a5c622140d9631bfdd5d17c05897ecf3755b2d8c7e23ea16a8dd672e5e134dd653216e1f7ce29f204d5d23843b209d0853105c85fd8706645f7bdb1d35315056d337a5e4781be0a970caff8c6f5b2af29ba2841ad6beec76ff6ae80bfb974142dd78f53309395c57207a5abe9ea73457a3f3b2b27d7b6de753d5e4a66ee2423f4e3ff55c1b0c8c814d4d5974de0ebdb1e7c51087aa98a2b145dbf75f273861b1bce29b066554c1907a0d2cc3698d8f174f4695aba0b2fd2fb1d13adbb605ac4ed8d058e09fc91ea99a60107fd2df596ac79b1e8f4d92cb4643ed16316d347b27b9c8725ab4785f551cd816e2453fc27082f1f29e3191f51e9034d5a4baa1f4ab048f9ecf4529105bd9f265e5a32a64eb950b21d03b5e2c73b7c0e6348eef9420ef62674d7806fe3c7e16cb26160d956814d9b26228d779d95e233c5030f04df2f75cbe5623e59b16e817a0fedb966c8646490aa0b80e757807ef3fd4ccdcc8af051ff59930596c9154189dbe07b8cebe7808a929af1d9471591ca5cea31d6162c0cf5f69c7066efca591c9b25e28b83ec6da7b5bc53e30ec278ec007a66b3910b1d097b98acb55201435e75df15c23cd9853f189a79b4ece84d84109387183f7087a16030fe7d6055bc2f561e4d1ea4610269a2eb84424f03c83e390196eb4caaef2fbdf343eeb73443c12272920f3570d28961b7b769e72b944dd8f7b95b0f2d805e3e3c6debe3eb2ba94ad6efb2761513653f38a3a572360ab44f725634f07114ba105db2854f54c4feb566d3f75e572627ddef451d690e08d8ae283959eb7b83b82a0066c0bd997ba0a2bd8db96a63e34f96af4cc8808992a6be8c395e7124d685e1837e9cd52d51eaf976cb9cf3d0a33ac74bc1b70156ebc46fbd2548f21dfe627250c4e3de2ce7ca0e0ef4126b4721d555cf0cd6acd7880aeffe3af7e8b756bbef477a6e8a1b6271a3062d05dd5b236ea6d787741548bfd40e2f5329f01458e86fbc304f26e48df96e0b16cc927ebbb2d947e7dce29da40696344261039860682b53b45c6723e96f7c29ed61f9b90bf79a578d7f0314f3b9b3a5f8bd1b039a92ffb6f3c061980e508461d0aadff396db08495c40e6f10ec964ab21a490031a916f3bda8e3f183712b17d77fce17a330dbef98a66f98e36281598be9662eade5bc315653a6f269f76fd022450521a9aadab332fc8b9b0d6d5ec4cdcd879b36dc043f94042762fbff0f0f1227817d1d6e399976635d8412bb533e8600d9bfa07180247bba57ef2c3ae35d0967bda3fb914950fd86279c050acdd1d13d331d11317478418be453e5197e8a955036c5d57f0b7603ec1ef090f5fbe70c2a7f63f4a8cf1ac7e508966c29bb479ac3f01709eeb7361858754b8bedad3afd13cf8af64a24f49aed7a73baa4f3c88bfc64d613016248f46b31ed00ff9e9e2dd8e7d16b27780470cdf8056636998c9783586a032b33d697be0b8bf1c1ef40b8a002b57a5071c06b6cc96a32054e7a1b9d615926ccd8cf38e1992074660144858b497c099e0f102d831ab3d4f68aaa797f407457430038a7f5c55f374687ea66d238de268c8da191f13a3d56a21acdbff42ed8d28ad08f79eb27880e3ff73573622f92c8bf7315c2cb59a9d4fd12c17dfce54c211d507475514b387cb71c66f2a71f75de7d3250bc095fbf560f36a5ac67e472520a9c6844ca937d7d510141207d62832e33974360d03ef40f408d68a1dc688a96a11d8c3538fb7752b3258d9c29e5cffe3114c484563a43c72cce9d7b24c842a74ba714c105baf2f469a3d7780a87d941d2f6d9eedd0de7151b2f006e8aad9a075595f17cb2218302a7198ebf36849df88a26f6db892c546a88a2a1ad81c8ed70a7e4f03d3a96a3aa9b6892a02bd7e760a9811314fe54d8b76c28a01ba526da3c834387e71eb469ef7031ea354b2f791d863f7075ae0e46453f8da4f513d1714cd7112365a0614a29ededcde809f46082e87d8d375dddabfa3956ceb44179d2c2a3ae0cbc31643d0c55569daae42b9331dd4fa6c81c44b52feb873eabf8c8c820b931644c48a56d2cb5d4037234031a4e574a306d6c2d8e7d8d601369a1fa80f268cc0ea7bd5551b0637e13697a9b09fb17c598478c2727b136102ef559cde1614881114aacf23f4e94fda0daae42d9741cc3e9a0a558a00b72f33927aed05d594d49f9c60dcd9ddc10033c2beeeea242d76f5dd784488eadbeeeb451b04e8e8cb0c03f4e50d4b84118c2a0b47c0bbe38959b7eddb7ae51479d63f48e0502ebe9c2f2767f45ec55d8550a567902769102b588b455e0231ba088fdc86d8eb533a5505dd62e803aff08347f4545f7c84cc1bd977d902f0a934f7867086a49631b2c5ab8b56fd07d5112fc7ddb59febe8270d2b4dc8fd7e539349600d01cea5882d73116f69b8e7c7bfbb7d6ee10e4d6ef55ae5ac3568785fb10478293f8a10cd5a41fe6c31c95f53bce74c2d4769834c33f667d8eda00662a4fc224fb104fc6bc264b8c3be992c5a3dfcd9c03d514cfac5e93993e1aaa6c494f853aaa07be2095e4108408b33423d6f10db413b78a32fe90f090a9ca0502dcdd6a79a418937885435f64a596d2fb9b42d24c8add37804dc0a174459589949ce410b53dc47cbfb30adfaa5c8498aaa2baeb74dbff16de43bde09ce1538c2d0171075679e1279c7ee798a60466766426c2ba17bcfff22baebdcc4738605bd4a487aad52dc70de539f3a6aed5b826d3b42fb80a08344230c3c5ae6eccb3c4a935be3a9d988080d9fa06b45a9bfa4441d5a96580361c4c64760917a18ba5a9d4c1bb895bcb01e25523c766d1c063b7d2afe8fd146a9ced018fbd21ad1e20f940ef7424427715ef6af767ee723ac03e3e7380a660cfe03be2f89a76f254582d47f48f660c48fb9edcef658ff8e686c01799ff2488adde0ad86fec2e41f275e0c2a06351211eb5b20a24665cff37662056b23f5c7ee21fb49d749c09f7ab31bdfaadd1520041e4aa18e19541b3bff188c9e331e1b08fec075533cfcec84a02dd38b515ae259c8acf73389106d962ee212a0a1274448167cfc9df5657f57d88af0511e4b16e696d4d81b85e7e0b9689351316bc4a4a89aad2cc1dce8e258b8c66781a5293ac980e372d1a86b824ee12a019818bc891169bf712dbaf8e69af7c1e60e15da62dedc4d27f0ac766eed00cdfa9dcf53acea1c3ca2e17e05ee462f06d4b222750067fb400092ee976d71def9e4a52ecf2009c75d472daca1bcb0211a677720980777cba39beba29b16d8de3d4a843ac65551d2cd28e329dc0524e6d0bbb27e082b8814eebdf7d8ed3f15d876a1c9014262697b6ea754a8ae4ebd938cd4ba67464588e31e570c4bf2945e13ef661d97a6e55d556b35677752e80ce695ed219686b8cb84d0d9c394454d67c7e25b329c3cac2dc26bcce032821b0a467f0fd08748b185c15e0540d3ebafc8b50844a47e3313c4ba0ed9b415ad2c3a11f1dd1f72772870f066985d6fc78eba92337093206c76facafed7aebfa2299787b3fa18a89e242723d3775f9745692d026e144229b75632de0f0803cd60f9f4e2ce0843187cb6895afa80322be8f339c89c3227ada31593bc1e5c3cfdc58428be198d4088d898a811c4fcf788f24b7c546527b20d889b793c81fafc7d2cb3c1237b79563cc0731560082f555996f81b60640baa425f5ed556e507a9d9e3cf11256c85a90b5569d3b8620e1dc39fd1eac177740cb4cd43438ca14dd0b3ab27e9d0e86ebf04087b7517433a2bc066e14068e81f7d13df0186ac3267c896885464b5d41c5167be4e8778e31e13460285916c5bea33d64f26d3810b254f11736652d494a311c9ae37220f6b8cf30830d91b52ae90102d9d80174165c9d55a5c5c3ed875bed1fe12b63f97b22250cf1d4858899a549b3fecd63a9410716cb5069d41b7f2cf228d409ded07a61a9debbe2a528833ff7417bd15412687bc5", @ANYRES32=r0], @ANYPTR64=&(0x7f0000000180)=ANY=[@ANYRES64, @ANYPTR, @ANYPTR64, @ANYBLOB="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", @ANYPTR64]]], 0xfffffce7) write$rdma_cm(r1, &(0x7f0000000c00)=@query={0x13, 0x10, 0xfa00, {&(0x7f0000000d40), r2}}, 0x18) 2018/05/07 00:19:57 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000182000)={&(0x7f0000000000)={0x2, 0xf, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, [@sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}]}, 0x28}, 0x1}, 0x0) r1 = socket(0xb, 0x1, 0xffffffff) bind$netrom(r1, &(0x7f0000000040)=@full={{0x3, {"cd0fc82976121b"}, 0x1}, [{"65e71a5a3445cb"}, {"66368618465cbc"}, {"7985a9a8cf0d36"}, {"718bd1afca4682"}, {"d303571a0e214f"}, {"b97719061b969f"}, {"661857feaefe0f"}, {"eecdcd414ae0b8"}]}, 0x48) 2018/05/07 00:19:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x10000000]}}, 0x1c) shutdown(r0, 0x1) [ 630.566091] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:57 executing program 3: r0 = socket(0x11, 0x802, 0xfffffffffffffffa) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1c) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_int(r0, 0x0, 0xe, &(0x7f0000db7000), &(0x7f00000000c0)=0x4) 2018/05/07 00:19:57 executing program 7: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfd84, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fgetxattr(r0, &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f0000000080), 0x0) fgetxattr(r1, &(0x7f0000000100)=@known='com.apple.system.Security\x00', &(0x7f0000000140)=""/107, 0x6b) r2 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x40) timerfd_gettime(r2, &(0x7f00000002c0)) ioctl$DRM_IOCTL_CONTROL(r2, 0x40086414, &(0x7f0000000080)={0x3, 0x1ff}) setsockopt$inet_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x2, 0x4) 2018/05/07 00:19:57 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x9000000]}}, 0x1c) 2018/05/07 00:19:57 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x32]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 630.712658] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 630.744081] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:57 executing program 1: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x108) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x4) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000008000)={&(0x7f000000eff4)={0x10, 0x34000}, 0xc, &(0x7f0000007ff0)={&(0x7f00003a4e6c)={0x20, 0x18, 0x829, 0xffffffffffffffff, 0xffffffffffffffff, {0x5}, [@typed={0xc, 0x6, @fd}]}, 0x20}, 0x1}, 0x0) 2018/05/07 00:19:58 executing program 1: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x80000, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f00000000c0)=@assoc_id=0x0, &(0x7f0000000100)=0x4) ioctl$SNDRV_TIMER_IOCTL_STOP(r0, 0x54a1) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x100000001}, &(0x7f0000000180)=0x8) syz_emit_ethernet(0x1, &(0x7f0000000200)=ANY=[@ANYRES64], &(0x7f00000001c0)={0x0, 0x4}) 2018/05/07 00:19:58 executing program 3: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x10000) ioctl$KDMKTONE(r0, 0x227e, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) 2018/05/07 00:19:58 executing program 7: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfd84, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fgetxattr(r0, &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f0000000080), 0x0) fgetxattr(r1, &(0x7f0000000100)=@known='com.apple.system.Security\x00', &(0x7f0000000140)=""/107, 0x6b) r2 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x40) timerfd_gettime(r2, &(0x7f00000002c0)) ioctl$DRM_IOCTL_CONTROL(r2, 0x40086414, &(0x7f0000000080)={0x3, 0x1ff}) setsockopt$inet_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x2, 0x4) 2018/05/07 00:19:58 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xb000000]}}, 0x1c) 2018/05/07 00:19:58 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000ed4000)=0x7b, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000d26000)={0x1, &(0x7f0000818000)=[{0x6, 0x0, 0x0, 0x100}]}, 0x10) pkey_alloc(0x0, 0x2) setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x48f, &(0x7f0000000100)={0x4, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x0, 'lblcr\x00', 0x8, 0x0, 0x1e}, 0x2c) getsockopt$ARPT_SO_GET_INFO(r0, 0x0, 0x60, &(0x7f0000000180)={'filter\x00'}, &(0x7f0000000240)=0x44) sendto$inet(r0, &(0x7f0000fd0000), 0xfda0, 0x20000800, &(0x7f0000000080)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x0, 0x0) ioctl$sock_inet6_udp_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='bbr\x00', 0x4) setsockopt$IP_VS_SO_SET_STOPDAEMON(r0, 0x0, 0x48c, &(0x7f00000000c0)={0x7, 'dummy0\x00'}, 0xfffffffffffffeb9) recvmmsg(r0, &(0x7f0000007dc0)=[{{&(0x7f00000066c0)=@nl=@unspec, 0x5f, &(0x7f0000007c40), 0x2, &(0x7f0000007d00)=""/135, 0x87}}], 0x2ac, 0x0, &(0x7f0000007f40)={0x0, 0x989680}) sendto$inet(r0, &(0x7f0000000200)="a6", 0x1, 0x0, &(0x7f0000001200)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) 2018/05/07 00:19:58 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x30000000]}, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xfe80]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:58 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x300]}}, 0x1c) shutdown(r0, 0x1) [ 631.560405] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 631.573600] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:58 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x3, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:58 executing program 3: r0 = socket(0x1e, 0x5, 0x2001000000000) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f00000000c0)=@req3={0xfffffffffffff800, 0x5, 0x7, 0x100000001, 0xfffffffffffffffe, 0x3, 0x3}, 0x1c) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000100)={{{@in=@broadcast, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@remote}}, &(0x7f0000000040)=0xe8) getresgid(&(0x7f0000000080), &(0x7f0000000200), &(0x7f0000000240)=0x0) r4 = syz_open_dev$mouse(&(0x7f0000000340)='/dev/input/mouse#\x00', 0x1f, 0x40000) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000280)={r1, r2, r3}, 0xc) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/vcs\x00', 0x200, 0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000300)={0xaa, 0x8}) sendmsg(r0, &(0x7f0000834fc9)={&(0x7f00004aeb5c)=@generic={0x10000000001e, "030000091f00000000000001e526cc573c5bf86c483724c71e14dd6a739effea1b480000541ffe0000e103000000f8000004003f010039d8f986ff01000300000004af50d50700000000000000e3d2316a1983000000001d00e0dfcb24281e27800000100076c3979ac40000bd15020078a1dfd300881a8365b1b16d7436"}, 0x80, &(0x7f0000447ff0), 0x0, &(0x7f0000353cf8)}, 0x0) ioctl$KVM_SET_MP_STATE(r5, 0x4004ae99, &(0x7f0000000400)=0x6) flistxattr(r4, &(0x7f0000000380)=""/37, 0x25) setsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f00000002c0)={r1, r2, r3}, 0xc) 2018/05/07 00:19:58 executing program 7: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) write$cgroup_subtree(r0, &(0x7f0000000040)={[{0x0, 'io', 0x20}, {0x0, 'rdma', 0x20}, {0x2b, 'rdma', 0x20}, {0x2b, 'pids', 0x20}, {0x2b, 'cpu', 0x20}, {0x2b, 'cpu', 0x20}, {0x2f, 'rdma', 0x20}, {0x2f, 'memory', 0x20}]}, 0x2e) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000300)=@broute={'broute\x00', 0x20, 0x1, 0x178, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20001f00], 0x0, &(0x7f0000001dc0), &(0x7f0000001f00)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x13, 0x0, 0x0, 'vlan0\x00', 'bcsf0\x00', "5772d2fb4f703000", 'teql0\x00', @empty, [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0xb0, 0xb0, 0xe8, [@time={'time\x00', 0x18, {{0x0, 0x0, 0x13b36, 0x0, 0x0, 0x0, 0x3}}}]}}, @common=@dnat={'dnat\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2}, 0xfffffffffffffffd}}}}]}]}, 0x1f0) 2018/05/07 00:19:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x10]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:58 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fde000/0x18000)=nil, &(0x7f0000000140)=[@text16={0x10, &(0x7f0000000040)="d06a5e0f01d19a34d43a0167f20f0d7580baf80c66b884157e8d66efbafc0c66b81c00000066ef0f23d63ef4baf80c66b85a17308d66efbafc0cb80000efb89b000f00d06766c74424003f865aad6766c7442402166b00006766c744240600000000670f011c24", 0x67}], 0x1, 0x0, &(0x7f00000002c0), 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) keyctl$set_reqkey_keyring(0xe, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x12714, 0x2, 0x0, 0x1000, &(0x7f0000fe3000/0x1000)=nil}) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000180)={0x0, @in6={{0xa, 0x4e22, 0x9, @dev={0xfe, 0x80, [], 0x10}, 0x2000}}, 0x6, 0xeb0, 0x91d, 0x9, 0x2}, &(0x7f0000000240)=0x98) sysinfo(&(0x7f0000000300)=""/97) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000280)={r3, 0xc9}, &(0x7f00000002c0)=0x8) ioctl$sock_ifreq(r0, 0x89f3, &(0x7f0000000000)={'ip6tnl0\x00', @ifru_data=&(0x7f0000000040)="d548574b2f8c033d46cd9b6ce2881e434132833d293748da73a5f74b2e23caae"}) [ 631.695214] IPVS: set_ctl: invalid protocol: 4 172.20.20.170:0 lblcr 2018/05/07 00:19:58 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x54]}}, 0x1c) 2018/05/07 00:19:59 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) connect(r0, &(0x7f0000000340)=@ax25={0x3, {"e5110b30ac4064"}, 0x7fff}, 0xffffffffffffffa1) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x403, 0x0) getsockname$inet6(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, @mcast2}, &(0x7f00000000c0)=0x1c) socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000100), &(0x7f0000000180)=0x4) ioctl$BLKSECDISCARD(r1, 0x127d, &(0x7f0000000040)=0xf) ioctl$sock_ifreq(r0, 0x8946, &(0x7f0000000140)={'syz_tun\x00', @ifru_addrs=@nfc={0x27}}) 2018/05/07 00:19:59 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f36000)={&(0x7f0000333f88)=ANY=[@ANYBLOB="020300090c000000ffffffffffffffff02001300020000000000000000000000030006010000000002004e20e0000104000000000000002402000100f8ffffff0000000200000000030005000000000002404e20e00000810000000000000000"], 0x60}, 0x1}, 0x0) sendmsg$key(r0, &(0x7f000033efc8)={0x0, 0x0, &(0x7f0000aa8000)={&(0x7f00009b9000)=ANY=[@ANYBLOB="020000090200bb987e060000003eab1c"], 0x10}, 0x1}, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x5b, 0x200) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f0000000040)=0x5, 0x4) 2018/05/07 00:19:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x4]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:59 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x500]}}, 0x1c) 2018/05/07 00:19:59 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x4, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:59 executing program 7: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000100)={r1, 0x1, 0x6, @random="0b0a97f68394"}, 0x10) r2 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x8, 0x2002) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f00000000c0)={0x0}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r2, 0x84, 0x23, &(0x7f0000000180)={r3, 0xf000000000000000}, 0x8) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000040)={r1, 0x1, 0x6, @random="236147cc95f2"}, 0x10) r4 = socket$netlink(0x10, 0x3, 0x4) write(r4, &(0x7f0000fa8000)="2700000014000707030e0000120f0a0011000100f5fe0012ff000000078a151f75080039000500", 0x27) 2018/05/07 00:19:59 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x80fe]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:59 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x1, 0x2) ioctl$IOC_PR_CLEAR(r1, 0x401070cd, &(0x7f0000000040)={0x3ff}) bind$alg(r0, &(0x7f0000000240)={0x26, 'rng\x00', 0x0, 0x1000000, 'drbg_nopr_ctr_aes192\x00'}, 0x58) 2018/05/07 00:19:59 executing program 3: unshare(0x40600) r0 = memfd_create(&(0x7f0000000080)='!cpuset\x00', 0x0) pwrite64(r0, &(0x7f00000a9000), 0x0, 0x0) [ 632.527491] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:59 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x6, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:59 executing program 7: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net\x00') ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x0}]}) ioctl$DRM_IOCTL_RM_CTX(r0, 0xc0086421, &(0x7f0000000100)={r1, 0x2}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_int(r2, 0x0, 0x13, &(0x7f0000000000), 0x4) 2018/05/07 00:19:59 executing program 1: bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x0, 0xfffffffffffffffc, 0xc7, 0x102c}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f00000ba000)={0x1, 0x5, &(0x7f0000346fc8)=ANY=[@ANYBLOB="1800000000000000000000001f1000000000000000000000000000009500000000000000"], &(0x7f0000000000)="73010080001e000000", 0x5c6e, 0xfd66, &(0x7f00001a7f05)=""/251}, 0x48) 2018/05/07 00:19:59 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xfffffff5]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x382c000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000009fc8)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f000000d379)={&(0x7f0000012e30)={0x14, 0x16, 0x401, 0xffffffffffffffff, 0xffffffffffffffff, {0x4000a}}, 0x14}, 0x1}, 0x0) mmap(&(0x7f0000000000/0xddf000)=nil, 0xddf000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) setsockopt$RDS_FREE_MR(r1, 0x114, 0x3, &(0x7f00000000c0), 0x10) 2018/05/07 00:19:59 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) timer_settime(0x0, 0x0, &(0x7f00000001c0), &(0x7f0000000200)) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000004fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_int(r1, 0x29, 0x39, &(0x7f0000000ffc), &(0x7f0000013000)=0xffffffffffffff75) io_setup(0x7fff, &(0x7f0000000240)=0x0) io_getevents(r2, 0x0, 0x1, &(0x7f0000000280)=[{}], &(0x7f0000000300)={0x77359400}) mmap(&(0x7f0000370000/0x1000)=nil, 0x1000, 0x3, 0x800000000032, r0, 0x0) close(r0) 2018/05/07 00:19:59 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4a99561000000000]}}, 0x1c) [ 632.707591] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:59 executing program 3: r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000480)={0xffffffffffffff9c, 0x7, 0x0, 0x1, &(0x7f0000000440)=[0x0, 0x0, 0x0, 0x0], 0x4}, 0x20) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000000500)={@my=0x1}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r1, 0xc0481273, &(0x7f00000000c0)={[], 0x0, 0x400, 0xa}) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/sync_refresh_period\x00', 0x2, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f00000001c0)={{&(0x7f0000ffd000/0x2000)=nil, 0x2000}, 0x1}) prctl$getreaper(0x5, &(0x7f0000000080)) ioctl$LOOP_SET_STATUS(r1, 0x1276, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "3900ea631d00000000020000010000009f00000023f7b7d65f90b0e6330ee739b319d8f6aa6bd58d1443474482e85040fb4947ebb55bd19f335b5bffff0001f3", "cfa430745a540dc1c149b7b81579f6a41c51f7d51933223e82ab867dac761faf"}) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000140)='/dev/uinput\x00', 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r3, 0xc008551c, &(0x7f0000000300)=ANY=[@ANYBLOB="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"]) bind$bt_rfcomm(r3, &(0x7f0000000200)={0x1f, {0xff, 0x0, 0x7fff, 0xa13, 0x401, 0x7}, 0x1000}, 0xffffffffffffff19) 2018/05/07 00:19:59 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x23]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:19:59 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0xb, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:19:59 executing program 2: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_REINJECT_CONTROL(r1, 0xae71, &(0x7f0000000300)={0x7}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f00000000c0)={0x0, 0x0}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000200)={{{@in6=@dev, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @remote}}, 0x0, @in6=@mcast2}}, &(0x7f0000000100)=0xe8) ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0286405, &(0x7f0000000140)={0x8, 0x44, r2, 0x7f, r3, 0x8000000000000, 0x1fffe000000, 0x3}) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000040)="6664001a000000") getdents64(r4, &(0x7f00000004c0)=""/189, 0xabf70f75d9c5624) [ 632.835104] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:19:59 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x240]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:00 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000196fe4)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000327f68)={0x2, 0x400000000000003, 0x0, 0x0, 0x1f8b}, 0x10}, 0x1}, 0x4) 2018/05/07 00:20:00 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x5, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:00 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xf5ffffff00000000]}}, 0x1c) 2018/05/07 00:20:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x200000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_GUEST_DEBUG(r2, 0x4048ae9b, &(0x7f0000000140)={0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x22986708]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x84100, 0x0) 2018/05/07 00:20:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x4000000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:00 executing program 2: rt_sigaction(0x400000000000007, &(0x7f00000000c0)={0x4224ae, {0xffffffbfffbff270}}, &(0x7f0000000600), 0x8, &(0x7f0000000100)) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) rt_sigaction(0x1d, &(0x7f0000000040)={0x6f83, {}, 0x10000000, 0x8}, &(0x7f0000000080), 0x8, &(0x7f0000000140)) pause() syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x0, 0x0) 2018/05/07 00:20:00 executing program 7: syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x81, 0x2) syslog(0x3, &(0x7f0000000000)=""/138, 0xfffffffffffffd88) 2018/05/07 00:20:00 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd1000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:00 executing program 7: seccomp(0x1, 0x4, &(0x7f0000000080)={0x20000000000000c6, &(0x7f0000004fe8)}) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x0, 0x0) [ 633.685094] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 633.686064] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 633.706338] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:00 executing program 3: open(&(0x7f0000000000)='./bus\x00', 0x100000141842, 0x0) syz_mount_image$ntfs(&(0x7f0000000440)='ntfs\x00', &(0x7f0000000480)='./bus\x00', 0x0, 0x0, &(0x7f00000006c0), 0x1000, &(0x7f0000000740)=ANY=[]) r0 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ioctl$LOOP_SET_DIRECT_IO(r0, 0x4c02, 0x0) 2018/05/07 00:20:00 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000100)='/dev/urandom\x00', 0x100, 0x0) r2 = dup(r0) 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) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000000)={0x7f, 0x0, 0xaa81, 0xf3, 0x101}, 0xc) ioctl$EVIOCSMASK(r1, 0x40104593, &(0x7f0000001180)={0x17, 0x1000, &(0x7f0000000180)="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"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)="73697430002794f4ffffff43ff00", 0xffe1) get_thread_area(&(0x7f0000000040)={0x3, 0x101000, 0xffffffff, 0xcdb, 0x8, 0x8, 0x5, 0x3, 0x6, 0xff}) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) bind$bt_l2cap(r3, &(0x7f00000000c0)={0x1f, 0xffffffffa2b89a40, {0x7, 0x65, 0x2838000000000, 0x7ff, 0x100, 0x2}, 0x7fff, 0x9}, 0xe) ftruncate(r3, 0x5) sendfile(r2, r3, &(0x7f000053cffc), 0x8080000001) ioctl$VHOST_SET_VRING_KICK(r2, 0x4008af20, &(0x7f0000000140)={0x0, r1}) 2018/05/07 00:20:00 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfffffff5]}}, 0x1c) 2018/05/07 00:20:00 executing program 7: r0 = syz_open_dev$sndctrl(&(0x7f000090cfed)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r0, 0xc4c85512, &(0x7f0000000040)={{0x6, 0x0, 0x0, 0xfffffffffffffffd, "9312272aef66198b7c8b57ae79415a970c0000f7cb437aa5f0f822ffab9468f5a0e65291eb17b440ac3871a1"}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc]}) 2018/05/07 00:20:00 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x2], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:00 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00001ec000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000f75fc8)={0x0, 0x0, &(0x7f0000805000), 0x0, &(0x7f00002e7000)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) io_setup(0x1, &(0x7f0000f7e000)=0x0) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000100)=0x6) io_submit(r2, 0x1, &(0x7f0000738000)=[&(0x7f0000f73fc0)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f000079a000)="16", 0x1}]) r3 = dup(r0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={r3, 0x28, &(0x7f0000000080)}, 0x10) 2018/05/07 00:20:00 executing program 3: r0 = socket$inet6(0xa, 0x100040000080806, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000040)={{{@in6=@mcast1, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@dev}}, &(0x7f0000000140)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0xc) syz_fuse_mount(&(0x7f0000000000)='./file0\x00', 0x8000, r1, r2, 0x6, 0x40) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffffffffffffffff) r3 = socket$inet6(0xa, 0x6, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000f68000)={@loopback={0x0, 0x1}, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_int(r3, 0x29, 0x21, &(0x7f000089b000)=0xffffffffffffffff, 0x4) connect$inet6(r3, &(0x7f000000cfe4)={0xa, 0x4e20, 0x807}, 0x1c) 2018/05/07 00:20:00 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x21], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:00 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x9]}}, 0x1c) 2018/05/07 00:20:00 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000016c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cast6-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000001d40)=[{0x0, 0x0, &(0x7f0000001840)=[{&(0x7f0000001780)="72eed697893e7ca7d4979bec60e97a0a33bbe8d0750bf943f2186621d06008b6", 0x20}], 0x1, &(0x7f0000001880)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x101000, 0x0) ioctl$KVM_GET_ONE_REG(r2, 0x4010aeab, &(0x7f0000000080)={0x9, 0x9}) recvmsg(r1, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x80, &(0x7f0000000000)=[{&(0x7f00000003c0)=""/4096, 0x1000}], 0x1, &(0x7f0000001400)=""/6, 0x6}, 0x0) 2018/05/07 00:20:00 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x30000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:01 executing program 2: rt_sigaction(0x400000000000007, &(0x7f00000000c0)={0x4224ae, {0xffffffbfffbff270}}, &(0x7f0000000600), 0x8, &(0x7f0000000100)) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) rt_sigaction(0x1d, &(0x7f0000000040)={0x6f83, {}, 0x10000000, 0x8}, &(0x7f0000000080), 0x8, &(0x7f0000000140)) pause() syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x0, 0x0) 2018/05/07 00:20:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x5000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:01 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1802]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:01 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f0000b31000)="f9", 0x1, 0x0, &(0x7f00009e1000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000000040)="86", 0x1, 0x1d7f4ce93769f48, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000980)={0x0, @in={{0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0xa}}}, 0x0, 0x0, 0x0, 0x0, 0x22d5dc34150181ae}, 0x98) 2018/05/07 00:20:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) write(r0, &(0x7f0000000180)="24000000200025531e5f01650272fcf30200000030a877cc9b495f3608001700002b0600", 0x24) r1 = dup3(r0, r0, 0x80000) ioctl$KDSKBSENT(r1, 0x4b49, &(0x7f0000000000)="fac73e1af8ead865d414955adf7bb52bd8a31440f2da055f7b6a309d5c2ccf09c98f2c649848d2921a2605013e699928f0") sendto$ax25(r0, &(0x7f0000000040)="262093d34d5584356956fb7b3837833966d544091b70a33314bc6ff2cbc2d90227cb8db00b", 0x25, 0x4000880, &(0x7f0000000080)={0x3, {"ff773dbda87b6d"}, 0x1}, 0x10) 2018/05/07 00:20:01 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xf4010000]}}, 0x1c) 2018/05/07 00:20:01 executing program 7: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000480)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, &(0x7f0000c97ff8)) ioctl$VHOST_SET_LOG_FD(r0, 0x4004af07, &(0x7f0000000140)) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/autofs\x00', 0x400200, 0x0) ioctl$DRM_IOCTL_GET_UNIQUE(r1, 0xc0106401, &(0x7f0000000400)={0xe8, &(0x7f00000004c0)=""/232}) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) close(r2) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r2, 0xc08c5336, &(0x7f00000002c0)={0x4, 0x6, 0xffffffff, 'queue0\x00', 0x1000}) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000b04000)={0x0, 0x0, &(0x7f0000ae5f44)=""/188, &(0x7f0000034000)=""/95, &(0x7f0000ce1f30)=""/208}) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000380)=0x3) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000ee1000)=ANY=[]) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000d7c000)={0x0, r2}) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4008af13, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)=""/98, &(0x7f0000000080)=""/65, &(0x7f00000001c0)=""/195}) 2018/05/07 00:20:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x80ffffff], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:01 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x900]}}, 0x1c) shutdown(r0, 0x1) [ 634.943268] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 634.966305] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:01 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xb00]}}, 0x1c) 2018/05/07 00:20:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x1100000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:01 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket(0x15, 0x80005, 0x0) getsockopt(r0, 0x117, 0x2714, &(0x7f0000000040)=""/13, &(0x7f000033bffc)=0xd) [ 635.071756] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 635.097274] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:01 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x6], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x82002) ioctl$BLKIOMIN(r0, 0x1278, &(0x7f0000000040)) r1 = accept$inet(0xffffffffffffff9c, &(0x7f0000000080)={0x0, 0x0, @remote}, &(0x7f00000000c0)=0x10) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000100)=0x7, 0x4) fcntl$getownex(r0, 0x10, &(0x7f0000000140)={0x0, 0x0}) capget(&(0x7f0000000180)={0x19980330, r2}, &(0x7f00000001c0)={0x1000, 0x1, 0x5, 0x200, 0x401}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000200)=[@in6={0xa, 0x4e24, 0x1ff, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x4}, @in6={0xa, 0x4e20, 0x9066, @dev={0xfe, 0x80, [], 0xd}, 0x40}, @in6={0xa, 0x80, 0x9, @local={0xfe, 0x80, [], 0xaa}, 0x80000001}, @in6={0xa, 0x4e22, 0x1, @empty, 0x6}], 0x70) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000280)=[@in6={0xa, 0x4e23, 0x1, @local={0xfe, 0x80, [], 0xaa}, 0x1}, @in={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e24}], 0x5c) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000300), &(0x7f0000000340)=0x4) r3 = creat(&(0x7f0000000380)='./file0\x00', 0x40) ioctl$KDDELIO(r3, 0x4b35, 0x5) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f00000003c0)=@assoc_value={0x0, 0x8001}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000440)={r4, 0xa82}, &(0x7f0000000480)=0x8) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000000540)=@nat={'nat\x00', 0x1b, 0x5, 0x568, 0x3d8, 0x168, 0xffffffff, 0x3d8, 0x280, 0x4d0, 0x4d0, 0xffffffff, 0x4d0, 0x4d0, 0x5, &(0x7f00000004c0), {[{{@ip={@loopback=0x7f000001, @multicast1=0xe0000001, 0x0, 0x0, 'teql0\x00', 'team_slave_1\x00', {}, {0xff}, 0x16, 0x2, 0x20}, 0x0, 0x108, 0x168, 0x0, {}, [@common=@set={0x40, 'set\x00', 0x0, {{0x4, [0x4, 0x3, 0x1000, 0x2, 0x7fffffff, 0x7], 0x6, 0x7f, 0x5}}}, @common=@addrtype={0x30, 'addrtype\x00', 0x0, {0x40, 0x408}}]}, @common=@SET={0x60, 'SET\x00', 0x0, {{0x8001, [0xdd96, 0x69, 0x3, 0x9, 0xfff, 0xffffffff], 0x0, 0x3, 0x1f}, {0xf9, [0x8, 0x7fff, 0x1, 0x1, 0x100, 0x81], 0x3, 0x7, 0x73}}}}, {{@uncond, 0x0, 0xe0, 0x118, 0x0, {}, [@common=@socket0={0x20, 'socket\x00'}, @common=@ttl={0x28, 'ttl\x00', 0x0, {0x3, 0x5}}]}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x2, @local={0xac, 0x14, 0x14, 0xaa}, @local={0xac, 0x14, 0x14, 0xaa}, @port=0x4e20, @gre_key=0x122d516c}}}}, {{@uncond, 0x0, 0x110, 0x158, 0x0, {}, [@common=@ttl={0x28, 'ttl\x00', 0x0, {0x0, 0xfffffffffffffff1}}, @common=@osf={0x50, 'osf\x00', 0x0, {'syz1\x00', 0x6, 0x0, 0x1, 0x1}}]}, @unspec=@SNAT1={0x48, 'SNAT\x00', 0x1, {0x2, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}, @ipv6, @gre_key=0x71b8, @icmp_id=0x66}}}, {{@uncond, 0x0, 0xc0, 0xf8, 0x0, {}, [@common=@icmp={0x28, 'icmp\x00', 0x0, {0xf, 0x9, 0x1}}]}, @DNAT0={0x38, 'DNAT\x00', 0x0, {0x1, {0x1, @broadcast=0xffffffff, @multicast1=0xe0000001, @icmp_id=0x66, @port=0x4e22}}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x5c8) setsockopt$netrom_NETROM_IDLE(r3, 0x103, 0x7, &(0x7f0000000b40)=0x100000000, 0x4) setsockopt$netrom_NETROM_N2(r3, 0x103, 0x3, &(0x7f0000000b80)=0xbb5b, 0x4) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r3, 0xc0505405, &(0x7f0000000bc0)={{0x1, 0x2, 0x97, 0x2, 0x3}, 0x2, 0x100000001}) ioctl$KVM_GET_FPU(r3, 0x81a0ae8c, &(0x7f0000000c40)) ioctl$BLKTRACESTOP(r3, 0x1275, 0x0) ioctl$SG_SET_DEBUG(r3, 0x227e, &(0x7f0000000e00)=0x1) msgget(0x2, 0x577) timer_create(0x0, &(0x7f0000000f80)={0x0, 0x28, 0x7, @thr={&(0x7f0000000e40)="bf4bbfbfd2f9bd6bbda850399188eb5d0fc3dec6e07bafc4", &(0x7f0000000e80)="cd970b19ae25278a52af2dc98e60c7063e6b438c8d0d2b60cfe80851a2a6dda721eeec1e3fe620ef6aa1a270c1426bf066e1c74eefe47ace6cc633feb995f3939ec55f932094d8d77da2baf74c1cc34e134fed4eb64e4429ff782f0e85d4f83d8567f97924a8e433d07a1d1c61dc223597da4cb31fbac585ce9f17203a19ef2c730ccb2ab0d02f6cb3fc9817c59a0e5f4f677a43ca4d0a2fcf4a75d7a4bb6e5895a6595ed424442a85a778387e398c1d0e402a0a3018a0d7ccc09a429b6d6c132256dbe242aa3f8b70ee1129132e98ad022c"}}, &(0x7f0000000fc0)=0x0) clock_gettime(0x0, &(0x7f0000001000)={0x0, 0x0}) timer_settime(r5, 0x1, &(0x7f0000001040)={{r6, r7+30000000}, {0x77359400}}, 0x0) bind$ipx(r3, &(0x7f0000001080)={0x4, 0x1, 0xfae9, "03159dbaf6fe", 0x6}, 0x10) ioctl$KVM_GET_MP_STATE(r3, 0x8004ae98, &(0x7f00000010c0)) ioctl$KDSKBSENT(r3, 0x4b49, &(0x7f0000001100)="491593fa1fae459c8b7a8e3b5f86af16e1870b8ece2d230bf0fb9d7fb0b83c2d13cbd8fadc427d0594d75056a628faa6c784ddacd3f489679a0f9cb67dfa0aa2d15ecbcf433dd73961a956266ea551bfb81d4c5993c672089faf05c25a590cbcb5e0426f03f3700d45474c26dbe6e9e99cddb326e64c13ffc08755f23fde1320accfd6240d1b2df34de0296e6931959213b0d6f8f6627dda6a59eeba1e62f391e1b449dc6a9a9ab02e32adb4698de3928b6458fbcdb89678dc87d32cc6c9630972593af403f19eb4f5a7cfd33992adef19c0ad4e7b588a11") ioctl$sock_kcm_SIOCKCMUNATTACH(r3, 0x89e1, &(0x7f0000001200)={r3}) ioctl$DRM_IOCTL_SET_UNIQUE(r3, 0x40106410, &(0x7f0000001340)={0xc3, &(0x7f0000001240)="9a045ec4ec1871b09eec1757ab944d518624ed2e3cc4cff9c16003ff4ad4c7349e6631e5c7effa46564d8dff1cc95bb846d0ea49c51971da9bd8a223f9b5584822233e331454edab67fe832153f5fbd7a3f4e83d9630df892b9f2c4629dc0786fd485c916ffe9e3e3cc43568e2c9e11bf5283c205bac9a5a11dcca266ec6da3bdfc5a1467d0a31b68aa489060b4bdc4aa4068ecb61d6fa13ff23854b3c7822d867f3d12a0eb7bc9509c87080993b467b2452f9aea7b09c7aceab09b1baeb4822da2776"}) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f00000013c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_SERVICE(r3, &(0x7f00000014c0)={&(0x7f0000001380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000001480)={&(0x7f0000001400)={0x74, r8, 0x200, 0x70bd25, 0x25dfdbfb, {0x2}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}, @IPVS_CMD_ATTR_DEST={0x58, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x80}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xffffffffffff8001}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x100000001}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x100000000}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x44044}, 0x880) 2018/05/07 00:20:01 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x15554]}}, 0x1c) 2018/05/07 00:20:01 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio\x00', 0x8800, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000000140)=[@in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x10) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f000000f000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000040)="0f01718466b90e0b000066b88200000066ba000000000f30f20f231eb800008ed866b8701a00000f23d80f21f86635c00000500f23f80f320f009f5be50f20c06635010000000f22c00f20180f06", 0x4e}], 0x1, 0x10, &(0x7f0000000100), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/05/07 00:20:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x4000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:02 executing program 1: r0 = syz_open_dev$sndctrl(&(0x7f0000000080)='/dev/snd/controlC#\x00', 0xfffffffffffffff, 0x4) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000280)='/dev/hwrng\x00', 0x600, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r1, 0x4018aee2, &(0x7f0000000300)={0x0, 0x5, 0xfd50, &(0x7f00000002c0)=0x1}) lookup_dcookie(0x77, &(0x7f0000000200)=""/82, 0x52) ioctl$IOC_PR_RELEASE(r1, 0x401070ca, &(0x7f0000000340)={0x1f, 0x80, 0x1}) getsockopt$inet_mreq(r1, 0x0, 0x24, &(0x7f0000000380)={@dev, @dev}, &(0x7f00000003c0)=0x8) perf_event_open(&(0x7f0000001000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000005000), 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r0, 0xc0045516, &(0x7f0000000100)=0x1) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$KVM_SET_VAPIC_ADDR(r3, 0x4008ae93, &(0x7f0000000180)=0x7000) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f000000d000), &(0x7f0000001000)=0xfea6) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc1105517, &(0x7f0000001000)=""/250) dup2(r2, r0) syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000001c0)) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000400), &(0x7f0000000140)=0xc) 2018/05/07 00:20:02 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x0, &(0x7f000039c000), 0xffffffffffffffd7) r1 = accept4$alg(0xffffffffffffff9c, 0x0, 0x0, 0x80800) sendmsg$alg(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000000)="1854b28ea110717d9b370498d277199d4e103376ce304c6dbca3f3a388a4909fea947e72fe7495059a67d1a52aec3e48aab1b1c5768704f8a94dfaed73ca509c4e1e9517b8172a2cf9c3c8276d46e022aa169cbe9b9a1f4769faca40c5fecf54139bdeaaaf2facb9c45c1875bf68f13de8403f6a90ce0694882725439ec9", 0x7e}], 0x1, &(0x7f00000000c0)=[@iv={0x110, 0x117, 0x2, 0xf6, "f755f9580bc5ff7fcfeed7c540f8b936278e584c919e662c34104ca0f8d6b786f6a3fba2eaa2e73a1e4a71386c226ac9e7c163a11931245a54f396dba479e062c2335f7769b89e93f0abbadba9a2845a279a743350cd6c46c18883aeea1858b5422acd58d4872223d744127e1472f98a487ae67c8d7d87606486a032b8eba3f2b1637faca6f4375c50e6c484548f22dce2687e1231c17beb6dd0ca9022c22ac2204cc37b00694a54ba3c82cbbbaf86f9b2b43fa2917ba49e84193556ba5479f10b4c46db79f6e54b61dd3b69d3749f1e2aead3aee6c4784a3eae26848b3e7f284d6bebd54c26f126562d3f3e3f26faa99977e07ce446"}], 0x110, 0x4000000}, 0x40000) setsockopt$sock_int(r0, 0x1, 0x1, &(0x7f0000001240), 0x4) 2018/05/07 00:20:02 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x32], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:02 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x900000000000000]}}, 0x1c) 2018/05/07 00:20:02 executing program 3: r0 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x3, 0x40) execveat(r0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)=[&(0x7f0000000100)=',user)\x00', &(0x7f0000000140)='\x00'], &(0x7f0000000200)=[&(0x7f00000001c0)='(cpuset\x00'], 0x400) r1 = getpid() migrate_pages(r1, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x1) 2018/05/07 00:20:02 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x3, 0x0) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f00000000c0)=""/25) 2018/05/07 00:20:02 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x24]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:02 executing program 3: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000001180)='/dev/vga_arbiter\x00', 0x28027c, 0x0) ioctl$GIO_SCRNMAP(r0, 0x4b40, &(0x7f0000000080)=""/4096) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BLKSECDISCARD(r0, 0x127d, &(0x7f0000001080)=0x4) mkdir(&(0x7f0000eb6ff8)='./file0\x00', 0x0) mount(&(0x7f0000001100)='./file0\x00', &(0x7f0000001280)='./file0\x00', &(0x7f0000001200)='fuse\x00', 0x0, &(0x7f0000001240)) [ 635.831624] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 635.844961] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:02 executing program 7: setsockopt$inet_dccp_buf(0xffffffffffffffff, 0x21, 0x0, &(0x7f0000000080)="eaed1e4032bc3f6a824529f4fec96a3a663f9b3551", 0x15) r0 = socket$inet_tcp(0x2, 0x1, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x4a) setsockopt$inet_int(r0, 0x0, 0x40, &(0x7f0000000040), 0x4) 2018/05/07 00:20:02 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5400000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:02 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f00009c8000)="636c6561725f72656673007edb") ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000040)=0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000080)=0x0) kcmp(r1, r2, 0x3, r0, r0) write$cgroup_int(r0, &(0x7f0000000000)={[0x31]}, 0x1) write$cgroup_int(r0, &(0x7f0000000040)=ANY=[], 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r3, 0x9}, &(0x7f0000000180)=0x8) 2018/05/07 00:20:02 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x100000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 635.972751] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:03 executing program 1: r0 = socket$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$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000001c0)={0x0, 0x0, 0x20}, 0xc) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/autofs\x00', 0x1, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, &(0x7f0000000280)={0x8, 0x2}) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000b40)="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", 0x200}], 0x1) ioctl$KVM_GET_NR_MMU_PAGES(r1, 0xae45, 0x80000000) recvmsg(r0, &(0x7f0000000240)={&(0x7f0000000300)=@ethernet={0x0, @dev}, 0x80, &(0x7f0000000b00)=[{&(0x7f0000003f80)=""/4096, 0x1000}], 0x1}, 0x0) sendto$inet6(r0, &(0x7f00000000c0)='\b', 0x1, 0xfffffffffffffffc, 0x0, 0x0) writev(r0, &(0x7f0000000080)=[{&(0x7f0000004f80)="d7", 0x1}], 0x1) setsockopt$bt_BT_FLUSHABLE(r1, 0x112, 0x8, &(0x7f00000002c0)=0x3, 0x4) recvmsg(r0, &(0x7f0000000180)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000000100)=[{&(0x7f0000000d40)=""/4096, 0x1000}], 0x1, &(0x7f0000000480)=""/92, 0x5c}, 0x0) 2018/05/07 00:20:03 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xf5ffffff]}}, 0x1c) 2018/05/07 00:20:03 executing program 2: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) clock_nanosleep(0x2, 0xffc99a3b, &(0x7f0000000040)={0x77359400}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) syz_open_dev$sndtimer(&(0x7f0000000140)='/dev/snd/timer\x00', 0x0, 0xe0100) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vhost-net\x00', 0x2, 0x0) mmap(&(0x7f0000cd1000/0x2000)=nil, 0x2000, 0x6, 0x232, r1, 0x0) tkill(r0, 0x1000000000016) r2 = socket$bt_bnep(0x1f, 0x3, 0x4) getsockopt$bt_BT_SNDMTU(r2, 0x112, 0xc, &(0x7f0000000080)=0x5455, &(0x7f00000000c0)=0x2) 2018/05/07 00:20:03 executing program 3: r0 = socket(0x11, 0x100000803, 0x0) r1 = syz_open_dev$tun(&(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x2) sendto(0xffffffffffffffff, &(0x7f0000000100)="85", 0x1, 0x0, &(0x7f00000001c0)=@generic={0x0, "a52d2abe6d97ecf8b83d42f3c827999983b9caa8703ffbc3d412424ad4700218039e0f0a343e899a61ff30ae4b7db311479d681eb6b665f7395d3743e78a6b15c7777b22766c93ee4d26b7b128a86d1fd928ba6e5d1955f6d650f1676d9ce2812a160bf188c4e4869cf8e4b522b9a3d50570b34d793ff838b65e72660367"}, 0x80) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000180)={"6966623000faffed00ffffffff00", 0x5002}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) sendto$inet6(r0, &(0x7f0000000240)="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", 0xff, 0x50, 0x0, 0x0) io_setup(0x469, &(0x7f0000000400)=0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x2, 0x0) ioctl$EVIOCGREP(r3, 0x80084503, &(0x7f0000000340)=""/129) io_submit(r2, 0x1, &(0x7f00000016c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000100), 0xfffffc2e}]) 2018/05/07 00:20:03 executing program 7: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x400001, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) read(r0, &(0x7f0000000200)=""/152, 0x98) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000140), &(0x7f0000000180)=0xc) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000000)={0x0, 0x1, 0x1, 0x0, 0x0}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000000c0)={0x49cbfa53, 0xffffffffffffffe0, 0x8000, 0x2e2, 0xc98, 0x8, 0x3, 0xe54, r2}, 0x20) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000c7df60)={0x7ff, @in6={{0xa, 0x4e20}}}, &(0x7f000064b000)=0xa0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000040)=@assoc_value={r3}, 0x8) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f00000001c0)) 2018/05/07 00:20:03 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x200000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:03 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x91ffffff]}}, 0x1c) shutdown(r0, 0x1) [ 636.833075] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:04 executing program 7: r0 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f00008fa000)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000537ffd)='\x00', 0x1, r1) r2 = add_key$user(&(0x7f0000688000)='user\x00', &(0x7f00008d9ffb)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000f19edc)="b33ab76079ebe0d14f729cd653e520d29ad7ef0000000000000044c249b544230b9387fb8bd6ed266ccf59ef70995bf2e8e0ecd3fff32853747eda22d2818d08ca27e0ec821620e365a0e6b9485f2d925493f62113e33e5f8c7eba67fc19a9497f5b07e5849d2e875b066cd6401d36616fe0f3c3002801b4627ee7597689525e8e81f750a86eb580fb4690ea52246bd3d32b1a91f944edb74b1f50ae08c5387ed8fd0598b600579f3af3f864e1c324f6928f6672f98f7e149bd61bd78b506e8b", 0xc0, r1) r3 = request_key(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a}, &(0x7f0000000280)='sha224-avx\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x0) r4 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000240)='/dev/cuse\x00', 0x40, 0x0) getpeername$unix(r4, &(0x7f00000002c0), &(0x7f0000000380)=0x6e) keyctl$dh_compute(0x17, &(0x7f0000000180)={r2, r2, r3}, &(0x7f0000000340)=""/42, 0x2a, &(0x7f0000000140)={&(0x7f0000000080)={'sha224-avx\x00'}}) 2018/05/07 00:20:04 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3300], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x2000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:04 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xe272fc40]}}, 0x1c) 2018/05/07 00:20:04 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000088cff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KDSKBSENT(r0, 0x80045438, &(0x7f0000000280)="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") 2018/05/07 00:20:04 executing program 1: r0 = socket(0x11, 0x100000803, 0x0) ppoll(&(0x7f0000000140)=[{}], 0x1, &(0x7f0000000180), &(0x7f00000001c0), 0x7) r1 = syz_open_dev$tun(&(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x20000000002) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={"6966623000faffffffffffffff00", 0x5001}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) io_setup(0x46a, &(0x7f0000000240)=0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0x1f, 0xfffffffffffffffe}, 0x2c) io_submit(r2, 0x1, &(0x7f00000016c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000100), 0x12c}]) 2018/05/07 00:20:04 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x25000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:04 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x0, 0x10000) ioctl$SG_GET_KEEP_ORPHAN(r1, 0x2288, &(0x7f0000000180)) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth1_to_bond\x00', &(0x7f0000000000)=@ethtool_gstrings={0x1b, 0x1}}) getsockopt(r0, 0xfff, 0x7, &(0x7f0000000080)=""/74, &(0x7f0000000100)=0x4a) [ 637.823125] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 637.841011] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:04 executing program 3: r0 = 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 = open(&(0x7f0000000140)='./file0\x00', 0x3ff, 0x9) syz_mount_image$vfat(&(0x7f0000000600)='vfat\x00', &(0x7f0000000740)='./file0\x00', 0x0, 0x0, &(0x7f0000000640), 0x1800, &(0x7f0000000580)=ANY=[@ANYPTR=&(0x7f0000000480)=ANY=[@ANYPTR64=&(0x7f0000000280)=ANY=[@ANYRES16=r0, @ANYPTR, @ANYRES64=r1, @ANYRES16=r0, @ANYRES32=r0, @ANYPTR, @ANYRES32=r0, @ANYRES64], @ANYPTR=&(0x7f00000002c0)=ANY=[@ANYBLOB="4917c588b5d61258afa844125970c49e286bec9231291a0d34a990b8f010b54752099f5a38efbc1b198012c77c06a7e865a0bc31eb3ca7023948cecb46634fe9e31d717262532455f3a74f4c55c706f75152881510ab99ad77aa", @ANYRES64=r0], @ANYPTR64, @ANYPTR=&(0x7f0000000340)=ANY=[@ANYRES64=r1, @ANYPTR, @ANYRES16], @ANYRES64=r0, @ANYPTR=&(0x7f0000000380)=ANY=[@ANYPTR64, @ANYPTR, @ANYPTR, @ANYPTR64, @ANYPTR64, @ANYPTR64, @ANYRES64=r1], @ANYPTR64=&(0x7f00000003c0)=ANY=[@ANYBLOB="e0e601b57e14892075f558e167382fd17c7339e4dc337a8a6e20a449653beeb9bfdc9055a8cd28f15380feab2636a3e46d30b89733c109c6d5e90f126c1db90d154ef2f8f40004332f0ae7f4919fa134b671009c6e8e2b8d8658548095466306f35dea8dac3ad09cc867775bdccb86d56d3d3840fe68dc6fa7215b459953d4afefd5729474dcdf7ffbf0ed084a6c33edd511576076c984f41c7dd701e224217c409bb1437b7854975dae7dcb9f6d41cd62299a76"]], @ANYPTR=&(0x7f0000000540)=ANY=[@ANYRES16=r0, @ANYRES64=r1, @ANYPTR=&(0x7f00000004c0)=ANY=[], @ANYPTR64=&(0x7f0000000500)=ANY=[@ANYRES16=r1, @ANYPTR64, @ANYPTR, @ANYRES64], @ANYRES16=r0, @ANYRES16=r1], @ANYRES16=r1, @ANYRES64=r0, @ANYRES64=r0, @ANYRES32, @ANYRES64=r0, @ANYRES16, @ANYRES32]) r2 = open$dir(&(0x7f0000000080)='./file0\x00', 0x2, 0x0) syz_mount_image$hfs(&(0x7f00000000c0)='hfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000680)=[{&(0x7f0000000980), 0xfffffffffffffd1d}], 0x0, &(0x7f0000001980)) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000040)=0x0) ptrace$PTRACE_SECCOMP_GET_FILTER(0x420c, r3, 0x9, &(0x7f0000000180)=""/72) fallocate(r2, 0x11, 0x0, 0x100000001) setsockopt$netrom_NETROM_T2(0xffffffffffffffff, 0x103, 0x2, &(0x7f0000000000)=0xff, 0x4) [ 637.872917] skbuff: bad partial csum: csum=65535/0 len=290 2018/05/07 00:20:04 executing program 7: r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f0000fc4ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x2f4) connect$inet(r0, &(0x7f0000adf000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x8000) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xffffffffffffff7f) sendmsg$alg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000fc8000), 0xff, &(0x7f0000000040), 0x6e}, 0x0) 2018/05/07 00:20:04 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x240]}}, 0x1c) 2018/05/07 00:20:04 executing program 2: r0 = socket$kcm(0x29, 0x5, 0x0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000240)=0x5) ioctl$sock_ifreq(0xffffffffffffffff, 0x89f9, &(0x7f0000000040)={'bridge_slave_0\x00', @ifru_data=&(0x7f0000000000)="9089fc5f73b95099220fb64c6e36e03d2d40cb32cd6db269341300cf98dfece1"}) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000340)='/dev/autofs\x00', 0x800000800, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r1, 0xc058534f, &(0x7f00000001c0)={{0x621, 0x5}, 0x1, 0x0, 0x7, {0x1, 0x80000001}, 0x7fff, 0x6}) sendto$ipx(r1, &(0x7f00000000c0)="5b7ac41aae0c1afd8001b74f97ef55e4483b3071ef940a1f7028e729c1e2fc8b829292e7188fda357690c8d769188d796b30f6d2f9b63187639e60f95380b78216c6852d21425d23eacb690a63875b1ca727d41c012284c29ac2e50fb58755cb2400b628ea568c165e2d38359ac18891bb60c30b4ec860b4675fdcaacbd184d16da7caa2a04e50ab482b738fde59686e3b4135b45a72edd455344401af19ab6b9046ac71afecc4a9e941", 0xaa, 0x20040880, &(0x7f0000000180)={0x4, 0x1ff, 0x9d1b, "a66ebb74fb8b", 0x8}, 0x10) 2018/05/07 00:20:04 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x300], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:04 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = inotify_init1(0x40000000000) r1 = dup2(r0, r0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r1, 0x29, 0x45, &(0x7f0000000140)={'icmp6\x00'}, &(0x7f0000000180)=0x1e) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) ptrace$setopts(0x4206, r2, 0x0, 0x0) 2018/05/07 00:20:04 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfe80000000000000]}}, 0x1c) 2018/05/07 00:20:04 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)="2e2f638013dfe0ea52f3cd846ba8", 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000240)='pids.max\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000100), 0x2) 2018/05/07 00:20:04 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='map_files\x00') setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000040)=0x24e647e, 0x4) getdents64(r0, &(0x7f0000000140)=""/140, 0x8c) [ 638.148531] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 638.243929] ptrace attach of "/root/syz-executor1"[4593] was attempted by "/root/syz-executor1"[5115] [ 638.280649] ptrace attach of "/root/syz-executor1"[4593] was attempted by "/root/syz-executor1"[5125] 2018/05/07 00:20:05 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x4], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:05 executing program 7: mkdir(&(0x7f0000000200)='./file0/file0\x00', 0x83) creat(&(0x7f0000000140)='./file0/file0\x00', 0x0) mount(&(0x7f0000bbcff2)='./file0/file0\x00', &(0x7f0000917000)='./file0/file0\x00', &(0x7f0000467000)='xfs\x00', 0x1000, 0x0) mount(&(0x7f0000000080)='./file0/file0\x00', &(0x7f0000000040)='./file1\x00', &(0x7f0000de8ff3)='an\x00\x00\x00\x00\x00\x00\x00\afs\x00', 0x802016, &(0x7f0000000000)) chdir(&(0x7f0000000000)='./file0/file0\x00') 2018/05/07 00:20:05 executing program 2: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x400000, 0x0) ioctl$sock_netrom_SIOCGSTAMPNS(r0, 0x8907, &(0x7f0000000040)) r1 = syz_open_procfs(0x0, &(0x7f0000000180)='/exe\x00\x00\x00\x00\x00\x00') ioctl$fiemap(r1, 0x401c5820, &(0x7f00000001c0)={0x0, 0xc712bc083}) 2018/05/07 00:20:05 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xfec0000000000000]}}, 0x1c) 2018/05/07 00:20:05 executing program 1: r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={0xffffffffffffff9c, 0x7, 0x1, 0x1, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}, 0x20) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000100)={{0xfffffffffffffff7, 0x1}, 'port0\x00', 0x40, 0x1000, 0x0, 0x100, 0x2, 0x10001, 0x7fff, 0x0, 0x1, 0x9}) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x6, 0x4, 0x9, 0x400000000000062}, 0x2c) getsockopt$inet_tcp_int(r0, 0x6, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4) r2 = semget$private(0x0, 0x1, 0x8) semctl$GETZCNT(r2, 0x3, 0xf, &(0x7f0000000240)=""/147) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000fbb000)={r1, &(0x7f0000811000), &(0x7f0000fbbf1a)=""/230}, 0x18) 2018/05/07 00:20:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xa]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:05 executing program 3: mprotect(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x7) r0 = socket$inet6(0xa, 0x80003, 0x2b) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x7}, 0x1c) sendmmsg(r0, &(0x7f0000000c40)=[{{0x0, 0x0, &(0x7f0000000500), 0x0, &(0x7f0000000000)}}, {{0x0, 0x0, &(0x7f00000009c0)=[{&(0x7f0000003740)="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", 0x52d}], 0x1, &(0x7f0000000a80)}}], 0x2, 0x0) 2018/05/07 00:20:05 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x55550000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:05 executing program 3: syz_open_dev$sndctrl(&(0x7f0000001000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(0xffffffffffffffff, 0xc1105517, &(0x7f0000001000)={{0x0, 0x0, 0x0, 0x0, "a399e9c558720d8d1f6728f1c5f07531dc6150defaca6ebcaf1b8b8c36184c8f147be96ea31efbf49ca9b9d7"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "655397eb000000004bbdd330eaaa50c6a17a4cbe4cf9a27f671d171c4a2c50f288493829c1e0fe9468a5eb556554a2803b25502ef5bc450d5f58f38b16e1198d", &(0x7f0000b0bfb2)="446465762f736e642f636f6e74726f6c4323009cb55a60fb8d54423e20546bd33125000000000000fd03e22965bb699aabcb8311b779fbf5497252581e19688501001a7898bd7751951d53b93ab1", 0xfffffffffffffdb6}) ioctl$DRM_IOCTL_MODE_SETCRTC(0xffffffffffffffff, 0xc06864a2, &(0x7f0000001000)={&(0x7f0000005000), 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, "8984041f02000000e10000000100000009007a7d000000000000047e000081d9"}}) [ 638.697791] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 638.712421] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x800000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:05 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='memory.events\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$team(&(0x7f0000002380)='team\x00') ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f00000023c0)={'veth0\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000002400)={{{@in6=@mcast2, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f0000002500)=0xe8) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000002540)={'team_slave_1\x00', 0x0}) getsockname$packet(0xffffffffffffffff, &(0x7f0000003740)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000003780)=0x14) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000003b40)={'vcan0\x00', 0x0}) getsockname$packet(0xffffffffffffff9c, &(0x7f0000005100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000005140)=0x14) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, &(0x7f0000005540)={@broadcast, @local, 0x0}, &(0x7f0000005580)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f0000005600)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000006bc0)={{{@in6=@mcast1, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@local}}, &(0x7f0000006cc0)=0xe8) getpeername$packet(0xffffffffffffffff, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000006d40)=0x14) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000006d80)={'vcan0\x00', 0x0}) getsockname$packet(0xffffffffffffffff, &(0x7f0000006dc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000006e00)=0x14) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000007200)={{{@in=@dev, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@multicast1}}, &(0x7f0000007300)=0xe8) accept$packet(0xffffffffffffffff, &(0x7f0000007340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000007380)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f00000073c0)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_NOOP(r0, &(0x7f0000007a00)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20402000}, 0xc, &(0x7f00000079c0)={&(0x7f0000007400)={0x59c, r1, 0x2, 0x70bd28, 0x25dfdbfe, {}, [{{0x8, 0x1, r2}, {0x1f0, 0x2, [{0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xfcc}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r6}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r7}}, {0x8, 0x7}}}, {0x3c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0xc, 0x4, [{0x5, 0x7, 0x4, 0x1000}]}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0xffffffff}}, {0x8, 0x6, r8}}}]}}, {{0x8, 0x1, r9}, {0x114, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r10}}, {0x8, 0x7}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r11}, {0xe8, 0x2, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x40}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r12}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r13}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7}}}]}}, {{0x8, 0x1, r14}, {0x17c, 0x2, [{0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xfffffffffffffe06}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x94bf}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x9f3d}}, {0x8, 0x6, r15}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x1f}}, {0x8, 0x6, r16}}}]}}]}, 0x59c}, 0x1, 0x0, 0x0, 0x80}, 0x4810) r17 = socket(0x10, 0x2, 0xc) write(r17, &(0x7f0000000080)="1f0000000104ff00014454c0071100000a05010008000100030423fdffdf00", 0x1f) semctl$GETVAL(0x0, 0x0, 0xc, &(0x7f0000000280)=""/4096) 2018/05/07 00:20:05 executing program 7: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="00000000180000fa0000000000000000", @ANYPTR=&(0x7f0000000080)=ANY=[@ANYRES32=0xffffffff], @ANYBLOB="0200000000f0e7ebc8e28af4000000"], 0x20) write$rdma_cm(r0, &(0x7f0000000180)=ANY=[@ANYBLOB="0e000000000000fa", @ANYPTR=&(0x7f0000000140)=ANY=[@ANYBLOB='\x00\x00\x00\x00'], @ANYRES32=r1, @ANYBLOB="0000e8000100000000000000"], 0x38) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x40, 0x0) ioctl$TIOCLINUX6(r2, 0x541c, &(0x7f0000000040)={0x6, 0x40}) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0106426, &(0x7f0000000280)={0x2, &(0x7f0000000240)=[{}, {0x0}]}) ioctl$DRM_IOCTL_NEW_CTX(r2, 0x40086425, &(0x7f00000002c0)={r3, 0x2}) setsockopt$IP_VS_SO_SET_EDITDEST(r2, 0x0, 0x489, &(0x7f00000001c0)={{0x6, @broadcast=0xffffffff, 0x4e21, 0x2, 'fo\x00', 0x0, 0x81, 0x69}, {@broadcast=0xffffffff, 0x4e22, 0x6, 0x908, 0x7fff, 0x1}}, 0x44) 2018/05/07 00:20:05 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x1056994a]}}, 0x1c) 2018/05/07 00:20:05 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xff00000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:05 executing program 1: add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000001c0)='4', 0x1, 0xfffffffffffffffc) [ 638.842395] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 638.874124] netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:20:05 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0x0, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000380)={0x0, 0x7fffd, r0}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000340)={r1, 0x7fffc, r0}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000180)={0x0, 0x0}) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000300)) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f00000001c0)={r2, r3}) r4 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r4, &(0x7f0000f56000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000000400)=ANY=[@ANYBLOB="020380000a0000000007000000f6ff714986325a7d83ac20404136380000000002000000e0000001000000000000000200010000ab641ef3a106451b327a093f25f3880000000004000000000000000005000000000002000000e000000100000000000000000000000000000c88b784a61fe31189bfbff8ad222bd584d19387bf213e9eff7f0c200deab19f081c1cbbbb9a5070146fb2397fdedb9d11b457379f3ce291d3979c7c24d5db4155bbf3feed344b4aa961b5"], 0xfffffffffffffefa}, 0x1}, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x28, 0x1, &(0x7f00000002c0)=0x5, 0x8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_INFO_BUFS(r5, 0xc0106418, &(0x7f00000000c0)={0x8e0, 0x0, 0xfffffffffffffffa, 0x0, 0x12, 0x8}) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000140), &(0x7f00000003c0)=0x4) r6 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) accept4$nfc_llcp(r0, &(0x7f0000000200), &(0x7f0000000280)=0x60, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, r6) 2018/05/07 00:20:05 executing program 1: r0 = dup3(0xffffffffffffff9c, 0xffffffffffffff9c, 0x80000) getpeername(r0, &(0x7f0000000000)=@in6={0x0, 0x0, 0x0, @loopback}, &(0x7f0000000080)=0x80) socket$packet(0x11, 0x3, 0x300) socket$packet(0x11, 0x3, 0x300) r1 = socket$packet(0x11, 0x3, 0x300) renameat2(r0, &(0x7f00000000c0)='./file0\x00', r0, &(0x7f0000000100)='./file0\x00', 0x0) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f000073aff0)=@req={0x1000, 0x7, 0x1000, 0x7}, 0x10) r2 = dup2(r1, r1) setsockopt$packet_int(r2, 0x107, 0xa, &(0x7f0000000140), 0x4) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000340)='/proc/self/net/pfkey\x00', 0x12000, 0x0) symlinkat(&(0x7f0000000300)='./file0\x00', r3, &(0x7f0000000380)='./file0\x00') sendto(r1, &(0x7f0000000180)="becae28ba572b1f123c3c643fa6e81a0c9861e99848797946642020450296e38c59a695cac6abcbef70b6945b6ccf26867341c460193e3c104c95165ee8f97a5c591c1c577538485b513885e8c7a74b45bb6701aaa6926ad3006db320c539020b238bfe7f36fe712936a184dc85cbf0f41ca183d7bb5fcc36d7e425d0d4873d32c1db296dca992b020c250da050345cc43f7b67102938d62d44b8dddecd8e859e615d7fffe71debcef986312fabdb711a92e4de87ae1864f4043ff10c53b4e04ab5c5330d2add9edfc8348c2bc4fe23840f2bb2b", 0xd4, 0x24000814, &(0x7f0000000280)=@in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xb}}, 0x80) [ 638.975098] netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. 2018/05/07 00:20:06 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x5, 0x6, 0x1) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000040)={0x3, [0x1, 0xff, 0x3]}, &(0x7f0000000080)=0xa) syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="4eb16a92fce3", [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x4, 0x0, @local={0xfe, 0x8a00, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x0, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000002c0)) 2018/05/07 00:20:06 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xff000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:06 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x20000040]}}, 0x1c) 2018/05/07 00:20:06 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = fcntl$getown(r0, 0x9) r2 = syz_open_procfs(r1, &(0x7f0000000000)='net/psched\x00') getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000140)={{{@in=@dev, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@rand_addr}}, &(0x7f0000000240)=0xe8) sendmsg$nl_route(r0, &(0x7f0000000080)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000005c0)=@getstats={0x1c, 0x5e, 0x118, 0x70bd29, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, 0x5}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0xfffffffffffffffe}, 0x0) 2018/05/07 00:20:06 executing program 2: get_mempolicy(&(0x7f00000a2ffc), &(0x7f0000000000), 0xfffffffffffffffc, &(0x7f0000132000/0x2000)=nil, 0x100) r0 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x8, 0x60002) lremovexattr(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)=@random={'osx.', '!mime_type\x00'}) ioctl$EVIOCGBITSW(r0, 0x80404525, &(0x7f0000000100)=""/10) mkdir(&(0x7f0000000040)='./file0\x00', 0x9) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000080)) 2018/05/07 00:20:06 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/protocols\x00') readv(r0, &(0x7f0000000680), 0x9d76dce30d1f5a0) sendmsg$kcm(r0, &(0x7f00000005c0)={&(0x7f0000000240)=@rc={0x1f, {0x2, 0x2, 0x80, 0xfffffffffffffffb, 0xfffffffffffffff9, 0x2e}, 0x1f}, 0x80, &(0x7f0000000340)=[{&(0x7f00000002c0)="c3d990bbed9baf8d66ca3b6582a722a103bf2e2f372587e729d5ac731101092696fa2d1f78bc204b52d86bb9e35eae59062f3fc334435a4a32a87fc8dec233b0912aedb43c13d0b5939dbd76acd3e0d0bfc94a66c42fe7b6003516acd80f25605d9e501e27ba328fe645d79916d50cd2d22d9d1f0b", 0x75}], 0x1, &(0x7f0000000380)=[{0x20, 0x109, 0x0, "c452d44b0a023c2a448f"}, {0xb8, 0x0, 0x4, "7d0573573d984eda25f9a008eaf7d3ea848e7849e40cb39f7323d0804b26609c6a3e28dc251d68252af62e2a3b1f0bec4333050a541339e0270b935c0072403c5afde0fc47a8a8fdf4106594c70d2b98e910c93b1ac9f60e5b9fb46069b839e4d17c69312778ab9be5aa0c68455ddf41b2b2c0bccc157f6cde1e15ac4495dc4a3c55e2583753f339adbea779f935108416cd8b09ec89c2c19d231c0fea6d1300c01020ed"}, {0xe8, 0x19f, 0x4, "22e9db5adc7da0cb989e75296afa873cd8ec1a64dd78ebda38c5a51800287c9786153d1aa01d99aa816f8714e0b1ba455fb237333b5cd7f58c04227a28554e170e44a2b4b36f50bafbdba8fa8ebff0eda19e2270de7fd0b11e0913a7361f12f3ebbcfedbb7d66e53ac90a27b7a0a689f0108a40561c19ff95452dfad20bda8dd275b313e75f637e0d1c9443b27a8fece567b6982ec6006e7316eb4c978db97e071cfde452522caeca7ea83012a861d5c13e47b7f7512a18b150aabb9c31e4102844588ab051969d10f5ca91482de408304e562152163c5d9"}, {0x48, 0x111, 0x1, "e7166584487977fc7640b23d7b04626a08cb0cb44e934b3c9b05752baa246fba13aa514206c92571f968c93dd937895b334ba8cf"}], 0x208}, 0x4000) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000080)='team\x00') getsockname(r0, &(0x7f0000000600)=@ll={0x0, 0x0, 0x0}, &(0x7f0000000680)=0x80) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000780)={{{@in=@rand_addr, @in=@multicast2}}, {{@in6=@local}}}, &(0x7f0000000880)=0xe8) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000000a80)={@remote, @multicast2, 0x0}, &(0x7f0000000ac0)=0xc) accept4$packet(r0, &(0x7f0000000b40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000b80)=0x14, 0x80000) getsockopt$inet6_mreq(r0, 0x29, 0x1f, &(0x7f00000020c0)={@remote, 0x0}, &(0x7f0000002100)=0x14) getpeername$packet(r0, &(0x7f0000002180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f00000021c0)=0x14) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000000c0)={0x0, 0x2}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f00000006c0)=ANY=[@ANYRES32=r7, @ANYBLOB="a40000000ddc185d516a903f57843ac6419a0ca3431428908ffb99862b2e3fb2c023b536248255f8c20bcc60b9aa5723f8b474ec08df18fe60ad980888a9999a1fdec45fa0be218f15e35b88bd719fdab887d41a4bc774e3e356b27247a6e806115ad215633c842754f2bdeb4731210fe1a00e2777af90c2b7ae39d78de00e8aac4f6ea17084a362c42d6c9051568f5403631782a93698b71609182b39fb00912ebbb930b24682f1"], &(0x7f0000000140)=0xac) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000002200)={'vcan0\x00', 0x0}) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000002480)={0x0, @rand_addr, @rand_addr}, &(0x7f00000024c0)=0xc) getpeername$packet(r0, &(0x7f0000002500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000002540)=0xfffffffffffffe0c) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000002580)={'vcan0\x00', 0x0}) getpeername$packet(r0, &(0x7f00000025c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000002600)=0x14) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f00000029c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000002980)={&(0x7f0000002640)={0x308, r1, 0x0, 0x70bd27, 0x25dfdbfc, {0x1}, [{{0x8, 0x1, r2}, {0x7c, 0x2, [{0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0xffff}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}}]}}, {{0x8, 0x1, r4}, {0x44, 0x2, [{0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r5}}}]}}, {{0x8, 0x1, r6}, {0x21c, 0x2, [{0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r9}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x10001}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xc83f}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r10}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xfff}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r11}}, {0x8, 0x7}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r12}}}]}}]}, 0x308}, 0x1, 0x0, 0x0, 0x4004}, 0x880) accept(r0, &(0x7f0000000180)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @remote}}}}, &(0x7f0000000200)=0x80) 2018/05/07 00:20:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xb4040000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:06 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf049020000000000]}}, 0x1c) shutdown(r0, 0x1) [ 639.668363] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 639.706076] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:06 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4000]}}, 0x1c) 2018/05/07 00:20:06 executing program 2: 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 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) r2 = shmat(r1, &(0x7f0000ffd000/0x3000)=nil, 0x800000000004000) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x1000000000011, r0, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x80, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r3, 0xc0a85352, &(0x7f0000000080)={{0x1d5f}, 'port1\x00', 0x4, 0x10400, 0x0, 0x3ff, 0x9, 0x127, 0x7ff, 0x0, 0x7, 0x5}) shmdt(r2) 2018/05/07 00:20:06 executing program 3: socket$bt_bnep(0x1f, 0x3, 0x4) r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x0, 0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) getsockopt$packet_int(r0, 0x107, 0x14, &(0x7f00000000c0), &(0x7f0000000100)=0x4) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f000045fff8)={0x0, 0x0}) tgkill(r2, r2, 0x1d) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x0, 0x0) setsockopt$kcm_KCM_RECV_DISABLE(r3, 0x119, 0x1, &(0x7f0000000040)=0x3, 0x4) 2018/05/07 00:20:06 executing program 1: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r0, 0x118, 0x1, &(0x7f0000000040)=0x10001, 0x4) r2 = open(&(0x7f0000000080)='./file0\x00', 0x40102, 0x10) ioctl$TIOCMGET(r2, 0x5415, &(0x7f00000000c0)) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000100)="abb9014bbd385a5c25a374265668fd73f155a2df5cc9f6ff893b990d1f5bfa3f6b27ff0fecbab12c1e2daa2530a2e850b7793cfe55be297891b28a718f84d12d05062cb5fe3fc4fcf60b1e0db400d660c02932ba4aafeb25283455459f2b4acb467b9ccfc4caad54d5e5acc6840662aa1473dd4956f40dcbc73badd3bfd2d28937a6bf841fbc0c0ee9a46b536ee3ef2d5c") r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/snapshot\x00', 0x50000, 0x0) ioctl$TIOCCONS(r3, 0x541d) r4 = accept4$bt_l2cap(r3, 0x0, &(0x7f0000000200), 0x80800) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000240)='/dev/rfkill\x00', 0x2100, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000280)) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r2, &(0x7f00000002c0)={0x80000000}) write$cgroup_int(r0, &(0x7f0000000300)={[0x33]}, 0x1) setsockopt$inet_MCAST_LEAVE_GROUP(r5, 0x0, 0x2d, &(0x7f0000000340)={0x7fffffff, {{0x2, 0x4e21, @multicast1=0xe0000001}}}, 0x88) getsockopt$bt_rfcomm_RFCOMM_CONNINFO(r4, 0x12, 0x2, &(0x7f0000000400)=""/225, &(0x7f0000000500)=0xe1) r6 = syz_open_dev$vcsn(&(0x7f0000000540)='/dev/vcs#\x00', 0x10000, 0x80000) connect$netrom(r1, &(0x7f0000000580)=@ax25={0x3, {"9a877dd91229f6"}, 0x80}, 0x10) ioctl$KVM_SET_MSRS(r0, 0x4008ae89, &(0x7f00000005c0)={0x5, 0x0, [{0xbc8, 0x0, 0x9}, {0x2d2, 0x0, 0x80000001}, {0xafa, 0x0, 0x9}, {0xb74, 0x0, 0x7f}, {0xbfb, 0x0, 0xffffffffffffffc1}]}) ioctl$KVM_SET_GUEST_DEBUG(r6, 0x4048ae9b, &(0x7f0000000640)={0x80000, 0x0, [0x7ff, 0x0, 0x1, 0x6588, 0xffffffffffffffff, 0xb4, 0x27c, 0x100000000]}) ioctl$DRM_IOCTL_FREE_BUFS(r6, 0x4010641a, &(0x7f0000000700)={0x5, &(0x7f00000006c0)=[0x80000001, 0x348e, 0xb0f, 0x200, 0x2]}) userfaultfd(0x80000) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000740)={0x0, 0xcf, "a822f39383393e4a1f3329febe908762ef736e23de23777f2bc7ab6295bf6aed8136a02ab1ea8f1e44e063b785ac2331955cfed1b6d7c11524b77f6a48d740825e983402f5aab4d1a15e9f2301e2b449ee9a11574e1cfb7db0c26a40d979607dd5213c72bdef0f0b742ac88682c40527e956fc521924ffa37a32de9b813d17ec6cd926fc25b7b08c760a12335e9f9b73a0137fd81e186f700d07738737d93c0e58d6462d0bfae91d21afe31449b44999c31aad0e7697b050a3d2bfd001c4aab1c396b4ecf7999871910dbe1f54bc57"}, &(0x7f0000000840)=0xd7) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000880)={r7, 0x9}, 0x8) openat$ptmx(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/ptmx\x00', 0x10000, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000900)={r7, 0x8, 0x8000, 0x99}, &(0x7f0000000940)=0x10) ioctl$PERF_EVENT_IOC_RESET(r5, 0x2403, 0x80) madvise(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x77) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r6, 0x84, 0x7c, &(0x7f0000000980)={r7, 0x1, 0xfffffffffffffffd}, 0x8) io_setup(0x100000000, &(0x7f00000009c0)=0x0) io_destroy(r8) lookup_dcookie(0x2, &(0x7f0000000a00)=""/81, 0x51) 2018/05/07 00:20:06 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x33], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:06 executing program 7: r0 = socket(0x10000000000010, 0x802, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x101, 0x5}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x17}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x440040, 0x0) ioctl$KIOCSOUND(r1, 0x4b2f, 0x7) write(r0, &(0x7f0000000080)="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", 0xfc) [ 639.801276] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:07 executing program 3: r0 = socket$inet6_dccp(0xa, 0x6, 0x0) clock_gettime(0x0, &(0x7f0000001400)={0x0, 0x0}) recvmmsg(r0, &(0x7f0000001300)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000000)=""/180, 0xb4}, {&(0x7f00000000c0)=""/167, 0xa7}, {&(0x7f0000000180)=""/203, 0xcb}, {&(0x7f0000000280)=""/247, 0xf7}, {&(0x7f0000000380)=""/59, 0x3b}, {&(0x7f00000003c0)=""/109, 0x6d}, {&(0x7f0000000440)=""/76, 0x4c}], 0x7, &(0x7f0000000540), 0x0, 0x9}, 0x1}, {{&(0x7f0000000580)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, 0x80, &(0x7f0000000900)=[{&(0x7f0000000600)=""/150, 0x96}, {&(0x7f00000006c0)=""/180, 0xb4}, {&(0x7f0000000780)=""/195, 0xc3}, {&(0x7f0000000880)=""/123, 0x7b}], 0x4, &(0x7f0000000940)=""/45, 0x2d, 0x2c660222}, 0x10001}, {{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000980)=""/224, 0xe0}, {&(0x7f0000000a80)=""/227, 0xe3}, {&(0x7f0000000b80)=""/65, 0x41}], 0x3, &(0x7f0000000c40)=""/135, 0x87, 0x53aaf847}, 0x1}, {{&(0x7f0000000d00)=@sco, 0x80, &(0x7f00000011c0)=[{&(0x7f0000000d80)=""/6, 0x6}, {&(0x7f0000000dc0)=""/173, 0xad}, {&(0x7f0000000e80)=""/181, 0xb5}, {&(0x7f0000000f40)=""/155, 0x9b}, {&(0x7f0000001000)=""/36, 0x24}, {&(0x7f0000001040)=""/87, 0x57}, {&(0x7f00000010c0)=""/245, 0xf5}], 0x7, &(0x7f0000001240)=""/166, 0xa6, 0x9}}], 0x4, 0x40000000, &(0x7f0000001440)={r1, r2+30000000}) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001480)={0x0, 0x3, 0xffffffffffffff81, 0x7}, &(0x7f00000014c0)=0x10) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000001500)={0x400, 0x40, 0x200, 0xc5, 0x7, 0x7fff, 0x9, 0xffffffffffffa806, r4}, &(0x7f0000001540)=0x20) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x48, &(0x7f0000dcddf0)={0xffffffa4, {{0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x90) 2018/05/07 00:20:07 executing program 2: r0 = socket(0x4, 0x6, 0x3) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000640)='/dev/autofs\x00', 0x109000, 0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000001b00)=0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r1, 0xc1105518, &(0x7f0000001b80)={{0x9, 0x3, 0x3, 0x7, "bf1cd2791bdc70469e279ecd25740e30ceaf7bfd2db22ba1f45dc4ceb0af3535780b83951443f35f5dd7915e", 0xcd00}, 0x0, 0x0, 0xffffffff, r2, 0x3, 0x845, "3a1c47bff7a80f33fd26a922ca0d478e62805248cba76a4a53ee8202525136adcbec2ea05addc77e4bccea17f58bab301ae9656a0ed18b2879c8d84b2e690550", &(0x7f0000001b40)="d500", 0x2, [], [0x1, 0xb3, 0x1000, 0x9c7]}) r3 = dup(r0) ioctl$KVM_ASSIGN_SET_MSIX_NR(r3, 0x4008ae73, &(0x7f0000000000)={0x2de17bdc, 0x9}) write(r0, &(0x7f000007e000)="1f0000000104ff00fdde45c807110000f305fcf008000180010002dcffc500", 0x1f) ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(r0, 0x8008ae9d, &(0x7f0000000100)=""/76) fcntl$dupfd(0xffffffffffffff9c, 0x0, 0xffffffffffffffff) r4 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) shmget$private(0x0, 0x2000, 0x2, &(0x7f0000ffb000/0x2000)=nil) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000001c0)={{{@in=@rand_addr, @in=@loopback}}, {{@in=@dev}, 0x0, @in=@multicast1}}, &(0x7f00000002c0)=0xe8) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)) syz_emit_ethernet(0x4e, &(0x7f0000005faa)={@random="ff3997ffcd00", @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "c8fba2", 0x18, 0x40000000003a, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@mld={0xffffff82, 0xd, 0x0, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}}}}, 0x0) vmsplice(r3, &(0x7f0000001a80)=[{&(0x7f0000000800)="efe02c282e6e36f2571b4ef1af918fe3c51ac022883c7d5863be361b4bf450f6f23f3d9fb6f117f1eb78336aecc134ef7410012042e2acc3ad75d7133a0005d2adcecca5b4ec6ad33fed6909e57f0bebbed0a56cf116225b7bc403ef23aff92a5db5feca626ecf876f86882257cca884421edb9411fd1dc97fcbea9e2b28aa86d500bff8b188ca0f6fdc50f81ca448bb04749d905ab1", 0x96}, {&(0x7f00000008c0)="6e903427f4fd909f6bbb57e5fbc12082e8357e824d8d3ad981ca540dad0b9855df12c017517023a624b9a014c8f3190e9fdaa037d877b6de991f1232580ee1071ca074d17d75106e92eec13bb3e8145598a2ac542a9ca03b6f2af376eb410379857a2f9b0a622393e5b63dd36fb96749fa4f37992fff7795f05614493fbc71958335b3d02235d199f514ed2eab48cd6862f594cc8733563b8f63b59acfd838001f6f756fe0b2db465a67841738fba08635b08968d708c6ddf58b9b0419bca18359e18c043d8b4cd352ba216d99294cb8d70f512f3b37d4352f2efd7f08c14426f482f367a7c36e1578ee1191f931ee13eb9ff234", 0xf4}, {&(0x7f0000000500)="3f550330a944688039f961b0c4f06f896319e2d36bacba6f8c77acfcf1b2b2dbc6a5b7673877067142c23b3cee4bd988f95332a3df6630f298c97ef15b0916c0691d3f441aab53f5c23780b5e402eb528a496342223277bd4f1bc53d9aafd68e84fbbd6a", 0x64}, {&(0x7f00000009c0)="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", 0x1000}, {&(0x7f00000019c0)="fc9c160c408ca11c2880f5ef58334db7705c9ba323d4b2b7f5577a50d6fa78111b78f4bef8483588371266458b0c059cca769ad82a1aabb722079c672905e9054801325b9c8ef251b544ccef1301a613537d8416b48e2c1a212a4b894deeb7a8595070cf951b5c7efa2acecbec2bd5ef8cb8f75b61f370094073111ad98c139099c9d6c48b1bc162446eb3a7b08d2ada6a89d48664fbfa527d224682a055b81aeeaa6fb91bb49d6302eeaa3b6f8ba34f", 0xb0}, {&(0x7f0000000600)="2393e495b444856733dd939407752dfc80cd6fbbed66759b9d60ef716de6177e4bfa68f50142879475c84c6cb374", 0x2e}], 0x6, 0xa) geteuid() getresgid(&(0x7f00000003c0), &(0x7f0000000400), &(0x7f0000000440)) fcntl$getownex(r4, 0x10, &(0x7f0000000480)) shmget(0x1, 0x4000, 0x200, &(0x7f0000ffb000/0x4000)=nil) fcntl$getownex(r0, 0x10, &(0x7f00000004c0)) socket$inet6_dccp(0xa, 0x6, 0x0) gettid() mkdir(&(0x7f0000eb1000)='./file0\x00', 0x0) mount(&(0x7f0000a3f000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f00005e5000)='ramfs\x00', 0x1, &(0x7f0000fcd000)) bpf$OBJ_GET_MAP(0x7, &(0x7f0000aa7ff0)={&(0x7f0000910000)='./file0\x00'}, 0x10) perf_event_open(&(0x7f0000fdef88)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$binder(&(0x7f00000005c0)='/dev/binder#\x00', 0x0, 0x0) r5 = syz_open_dev$binder(&(0x7f0000000580)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r5, 0xc0306201, &(0x7f0000007000)={0xb5, 0x0, &(0x7f0000000740)=ANY=[@ANYBLOB="0563044080000000889aa7c84ef1b19017af724015e930aac7b037bfe7e84d6a0f0bf9653beabb5b2197f383000012420b8df39f3ac1aafb6b8c11637cb962f9911ee15bdcbf317a20bd2ac162032a93ead0ea4b86ac1a68c3f176433a2113912e0b170bc2f1a1fae7b863d7619badaca07984b5863fd4d7afbeefd49fad00c34c6fbd2c3a237de3caceaa25f72b0ab7d7aceafb4c46009f57671f0c6644f7bd842c51116b2268526129824adeef00dc2577588713"], 0xb0, 0x0, &(0x7f0000000680)="3b96fa7a5b1bfad908d2a8bb95dd032bafd1e6cde317569b39cc2b7e5aec256a39508a46a550652b04e4f4aaba7de1c7f631472f490b931cd92f6f49c556d46e500994170993f2bdc67ba5239261ee18081254bd47ed3fb710da6e32c01e8de94fdc036cfb03000000000000006e5b812b7347b1fff64714b497352f724f77af5fcbbf2afc8963bde54902feec050a6bd30fc5ac34fe1f0bbb48466e2ec5ea150dde34fe153854dd8e5148fb9a56a504"}) write$tun(r3, &(0x7f0000000180)={@pi={0x0, 0x88ef}, @hdr={0x1, 0x7, 0x3ff, 0xe8d8, 0x4}, @eth={@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xf}, @empty, [], {@can={0xc, {{0x4, 0x4, 0x7fffffff, 0x1ff}, 0x1, 0x2, 0x0, 0x0, "08d809277bebb402"}}}}}, 0x2c) r6 = msgget(0x1, 0x80) msgrcv(r6, &(0x7f0000000040)=ANY=[@ANYBLOB="000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000319cd5a30098545900000000000000000000000000000000000000000000000000000000000000"], 0x1, 0x611e6b035e39ef78, 0x3800) 2018/05/07 00:20:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x55550000]}}, 0x1c) 2018/05/07 00:20:07 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() capget(&(0x7f0000000080)={0x20071026, r0}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x79}) 2018/05/07 00:20:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x2100000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000d36000)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-serpent-avx\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000140)="43df08875f9633f809a61869e313bcffff00000000000086e1e531ad10ef19d39c98473f68266acaacbadb78ad9d96064fb00a3f1b21bf6564486a8ae450c68e54b97f18aedaa4e203cf668dc88c861166eae1c354beb6690482a78d0df5ca721f83ddbe4a39a1d5a5e7f7d03ea0ad082f11c413a855db8d98b30ccc9c3244ac270d06406bfc4e4404e19f762d565f73b4dc540c51bbe3ebd6bdf0ec", 0x9c) r1 = accept$alg(r0, 0x0, 0x0) mkdir(&(0x7f00000000c0)='./file0\x00', 0x20) r2 = open(&(0x7f0000000100)='./file0\x00', 0x101000, 0x18) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000200)=0xf7d3) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) recvmsg(r1, &(0x7f0000001140)={&(0x7f0000001440)=@in={0x0, 0x0, @remote}, 0x80, &(0x7f0000001180)=[{&(0x7f0000001f80)=""/4096, 0x1000}], 0x1, &(0x7f0000001600)=""/193, 0xffffff25}, 0x0) 2018/05/07 00:20:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xc0730300]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:07 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xe7030000]}}, 0x1c) shutdown(r0, 0x1) [ 640.539554] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 640.546637] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:07 executing program 7: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000ff7)='/dev/ppp\x00', 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000001000)=[{&(0x7f0000007ffe)='0\x00', 0x2}], 0x1, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000001000)=""/246) pwritev(0xffffffffffffffff, &(0x7f000000afa0)=[{&(0x7f0000007000)="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", 0x1000}], 0x1, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000000)=0x20, 0x4) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x4e21, 0x1, @loopback={0x0, 0x1}, 0x7}], 0x1c) ioctl$EVIOCGREP(r0, 0x4010744d, &(0x7f0000001000)=""/174) r1 = syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x2c9, 0x0) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(r0, 0x800443d3, &(0x7f00000000c0)={{0x81, 0x6, 0x8, 0xe63, 0x100, 0x3}, 0x1, 0x4ef, 0xa91}) bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xf, 0x40, 0x9, 0x2, 0x2, r1, 0xff}, 0x2c) 2018/05/07 00:20:07 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_CREATE_PIT2(r0, 0x4040ae77, &(0x7f0000000000)) [ 640.586955] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 640.617168] binder: 5262:5264 Acquire 1 refcount change on invalid ref 128 ret -22 [ 640.625004] binder: 5262:5264 unknown command -928540024 2018/05/07 00:20:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x4a995610]}}, 0x1c) 2018/05/07 00:20:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3200], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:07 executing program 7: 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 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x20000003) r1 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r1, &(0x7f0000419000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmmsg(r1, &(0x7f0000007440), 0x237, 0x0) shmget$private(0x0, 0x2000, 0x78000000, &(0x7f0000ffd000/0x2000)=nil) [ 640.693848] binder: 5262:5264 ioctl c0306201 20007000 returned -22 2018/05/07 00:20:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'cmac(fcrypt-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000200), 0x8) bind$alg(r0, &(0x7f00000003c0)={0x26, 'aead\x00', 0x0, 0x0, 'rfc4543(rfc7539esp(cryptd(lrw-serpent-sse2),sha384-ssse3))\x00'}, 0xfffffffffffffd47) r2 = accept$alg(r0, 0x0, 0x0) r3 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x9, 0x200000) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r3, 0xc0105303, &(0x7f00000000c0)={0x1, 0x95}) setsockopt$SO_RDS_TRANSPORT(r3, 0x114, 0x8, &(0x7f0000000180)=0x3, 0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab2719", 0x4) sendmmsg(r2, &(0x7f0000007300)=[{{&(0x7f0000000100)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000003a80)="7855fb3fb20eab35ac627681192dc47e", 0x10}], 0x1, &(0x7f0000004a80)}}], 0x1, 0x8000) sendmmsg$alg(r2, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f00000007c0), 0x0, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/null\x00', 0x0, 0x0) recvmsg(r2, &(0x7f0000000480)={&(0x7f0000000240)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4}}}, 0x80, &(0x7f0000000440)=[{&(0x7f0000001700)=""/4096, 0x1000}], 0x1, &(0x7f0000000340)=""/80, 0x50}, 0x0) 2018/05/07 00:20:07 executing program 3: r0 = socket$inet_smc(0x2b, 0x1, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x60000, 0x0) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000080)={0x0}) ioctl$DRM_IOCTL_DMA(r1, 0xc0406429, &(0x7f0000000280)={r2, 0x3, &(0x7f00000000c0)=[0xffffffffffffffff, 0x6, 0xf3], &(0x7f0000000140)=[0x7, 0x80000001, 0xffffffff, 0x8000, 0x3, 0x5, 0x100000001, 0x80000003, 0x8001, 0x1c], 0x54, 0x4, 0x1, &(0x7f0000000200)=[0xffffffff, 0x2, 0x8, 0x1], &(0x7f0000000240)=[0xffffffffffffff80, 0xffff, 0x9, 0x900]}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) listen(r0, 0x0) readahead(r1, 0x3, 0x9) ppoll(&(0x7f0000000100)=[{r0}], 0x1, &(0x7f0000000180), &(0x7f00000001c0), 0x8) 2018/05/07 00:20:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x600000000000000]}}, 0x1c) [ 640.809471] binder: 5262:5302 Acquire 1 refcount change on invalid ref 128 ret -22 [ 640.817515] binder: 5262:5302 unknown command -928540024 2018/05/07 00:20:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3200000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 640.901411] binder: 5262:5302 ioctl c0306201 20007000 returned -22 [ 640.939877] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:07 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) signalfd4(0xffffffffffffffff, &(0x7f0000006000), 0x8, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f0000000000)={0x20e, 0x1, 0x5}) 2018/05/07 00:20:07 executing program 3: mmap(&(0x7f0000000000/0xf82000)=nil, 0xf82000, 0x3, 0x10, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) delete_module(&(0x7f0000000000)='.\x00', 0x200) getsockopt$inet6_int(r0, 0x29, 0x3a, &(0x7f0000be83f6), &(0x7f0000526ffc)=0x4) 2018/05/07 00:20:07 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x21000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xf401000000000000]}}, 0x1c) 2018/05/07 00:20:07 executing program 2: ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000000000)={0x2, 0x0, 0x0, 0x81371}) bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@jmp={0x5, 0x0, 0x5}], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x1, 0xc3, &(0x7f000000a000)=""/195}, 0x48) 2018/05/07 00:20:07 executing program 1: r0 = socket(0x1e, 0x2, 0x0) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f00000004c0)=@get={0x1, &(0x7f0000000580)=""/158, 0x100000001}) bind(r0, &(0x7f00008a1f80)=@generic={0x42001e, "01030000000000b9000000004700000000a979f321b30c7bc8790405c7bad62e0a63a632ed4938d36d64fb8f8401a3ff59829a2b0afe7ce43a5b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31510000500000000000bdb9c8ea31000077aeb81c90001d6f7c980400000000f70dc136cb184a"}, 0x80) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000040)={0x1, 0x401, 0x3d, 0x3289, 0x8001}, 0x14) r1 = socket(0x1e, 0x1, 0x0) sendmsg(r1, &(0x7f0000000000)={&(0x7f00000000c0)=@generic={0x10000000001e, "0100000000001e0000000001e526cc573c5bf86c483724c71e14dd6a739effea1b48006be61ffe06d79f00000000000000076c3f010039d8f986ff03000000000000af50d5fe32c419d67bcbc7e3ad316a198356ed0008341c1fd45624280027800ece70b076cf979ac40000bd767e2e78a1dfd300981a1565b3b16d7436"}, 0x80, &(0x7f0000000740), 0x0, &(0x7f0000000040), 0x0, 0x80000d}, 0x0) close(r1) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000300)={0x0, 0x101, 0x820006, 0x4000000000000b, 0x1, 0x4}, &(0x7f00000000c0)=0x4) sendmsg(r0, &(0x7f0000000900)={&(0x7f0000000780)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x0, 0x0, 0x0, 0x4, {0xa, 0x4e22, 0x5, @mcast2={0xff, 0x2, [], 0x1}, 0x6}}}, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000800)="85a2ca12a2721cd700d8c57491912342a549c5bb4d2f7301b38121f61095851b2c38a47456ee4bbc61bbc35bad4818fc6e5b5a8002d3d0b1458abb4f9ed9770510707baf84552dcd892fca0b0c32fff59c60bcad472cce27312288eed5198af4a60df8381f595a5c30756b5535263c1f3bb2b156e98d353ef729ce57391109d16c9aab", 0x83}], 0x1, 0x0, 0x0, 0x40840}, 0x4000010) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={r2, 0x8d}, 0xc) r3 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r3, &(0x7f00001edff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$inet_opts(r3, 0x0, 0x9, &(0x7f0000000640)="b10df4d10cbfcf0c646e5451af0e0902000000000000aa2069f73ba4033472f1ab52043bd380925c034b69401512670de39a31b73646a41af4726edf9ce386c680f20d5c1f2de6923f39ac3d8a5de487b1970a9eb4acf3e492ab4e0e427425da876e8000000000000000d4335efc541feaa9dccc089c94d17dbed5704a0fd1253102b80100390c32a5707afe7861b7d373ef1271adca655ea7a4", 0x9a) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000002000)={0x0, 0x0, 0x0, 0x11f}) setsockopt$inet_mreq(r3, 0x0, 0x20, &(0x7f0000000000)={@rand_addr, @local={0xac, 0x14, 0x14, 0xaa}}, 0x8) r4 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000000080)=0xfffffffffffff001, &(0x7f0000000240)=0x4) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x1, &(0x7f0000000540)={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) r5 = epoll_create1(0x80000) r6 = socket(0x15, 0x80005, 0x0) getsockopt(r6, 0x600000000114, 0x2710, &(0x7f000085c000), &(0x7f0000bda000)) socket$key(0xf, 0x3, 0x2) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r0, &(0x7f00000003c0)={0x20000001}) sendmmsg$alg(r0, &(0x7f00000011c0)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000280)="0e0af27f4831ac8b41068d31230501bfc97c3f24610f85fee356e3c655c16a7bdd3dd5d1305b551b52dce99993b0ebd183517bf58db80a046887c2bec4b08fefb4a9e0e3e0244a9241bbd9529f7acdd632b4ec2727ec080b8f04b7bb", 0x5c}], 0x1, &(0x7f0000000440)=ANY=[], 0x0, 0x4000000}], 0x1, 0x4044) getsockopt$inet6_dccp_int(0xffffffffffffffff, 0x21, 0x9, &(0x7f0000000140), &(0x7f0000000500)=0xfffffffffffffe09) getpeername$netrom(r0, &(0x7f0000000340), &(0x7f0000000380)=0x10) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000180)={0xffffffffffffffff, 0x50, &(0x7f0000000700)}, 0x10) setsockopt$IP_VS_SO_SET_STOPDAEMON(r4, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'sit0\x00', 0xfffffffffffffffc}, 0xffffffffffffff09) ioctl(r4, 0x800000000008982, &(0x7f0000000000)) socketpair$inet6(0xa, 0xf, 0x9, &(0x7f00000001c0)) 2018/05/07 00:20:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x6a2]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:07 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:08 executing program 2: r0 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$link(0x8, r0, r0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000140)={{{@in=@local={0xac, 0x14, 0x14, 0xaa}, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4e23, 0x0, 0x4e24, 0x0, 0xa, 0x80, 0x80, 0x8, 0x0, r2}, {0x0, 0x4, 0xe, 0x2, 0x86, 0x1f, 0xb0, 0x58}, {0x80000000, 0x2, 0x7fffffff, 0x8d8e}, 0xffffffffffffffff, 0x0, 0x1, 0x1, 0x1, 0x2}, {{@in=@rand_addr=0x7, 0x4d2, 0xff}, 0x2, @in=@loopback=0x7f000001, 0x3502, 0x2, 0x0, 0xbe, 0x1, 0x3afd, 0x9d}}, 0xe8) keyctl$setperm(0x5, r0, 0x4210003) keyctl$revoke(0x3, r0) ioctl$KDENABIO(r1, 0x4b36) [ 641.430319] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 641.450750] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:08 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x1000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0xcb00000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:08 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x4, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x24, 0xfffffffffffffffe}, 0x0, 0xa, 0xffffffffffffffff, 0x3) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$fou(&(0x7f00000000c0)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f0000000000)={&(0x7f00000002c0)={0x10}, 0xc, &(0x7f0000000340)={&(0x7f0000000580)={0x14, r1, 0xfffffffffffffffd, 0x0, 0x0, {0x3}}, 0x14}, 0x1}, 0x0) 2018/05/07 00:20:08 executing program 7: r0 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000006000/0x3000)=nil, 0x3000, 0xfffffffffffffffd, 0xa0013, r0, 0x0) ioctl$BLKDISCARD(r0, 0x1277, &(0x7f0000000000)=0x9) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000140)=0xd968, 0x4) ioctl$sock_proto_private(r0, 0x89e7, &(0x7f0000000040)="3a7f52ec64344a2e8d186192a89700b10fd7c6cc773554875ff3d1a81c7885eca51555032cae5c3a12ab85a3bae41b6f87f0be97b578f389f46b68dd125bce5b59c963f598f838e816d5fe6380dde06a96a86793ed26eb7a41f0d7536aa9186175442515bf739416d6f42ca4a746c8bd7f7d8252dff6e373d5d62a6178d1b52529ac41c87f962b3c896bb0e5f91ada1c5b930e780c905d01e6e4270c74b06207af401e009ba102b22877a0fc87afd295db") setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000100)=0x16, 0x4) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x2, 0x8010, r0, 0x0) 2018/05/07 00:20:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5400]}}, 0x1c) 2018/05/07 00:20:08 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x8, 0x60600) mmap(&(0x7f0000012000/0x4000)=nil, 0x4000, 0x0, 0x32, r0, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) bind$rds(r1, &(0x7f0000000100)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) recvfrom(0xffffffffffffff9c, &(0x7f0000000200)=""/255, 0xff, 0x0, &(0x7f0000000080)=@sco={0x1f, {0x3, 0xfff, 0x2, 0x40, 0x9, 0x100000000}}, 0x80) sendmsg$rds(r1, &(0x7f0000006fc8)={&(0x7f000001dff0)={0x2, 0x0, @multicast1=0xe0000001}, 0x10, &(0x7f0000004000), 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="48353229b41677b27bd700000080eec3025b86a6b4f2fdffff1401000001000053cfb440c0d609c5605b6b9b81403d12d901d252997e6bf9e12e4eb4214756aa1494aa913f4027761b9b26a22d38500cc99370fa2c0ab77baa8c48", @ANYPTR=&(0x7f0000012f46)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="ba00000000000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYPTR=&(0x7f0000012fe5)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="1b0000e15b7313fecda1efddc10000001200"], @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x48}, 0x0) 2018/05/07 00:20:08 executing program 1: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x2, 0x84000) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r2, 0xc02c5341, &(0x7f0000000200)) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x800, 0x0) ioctl$EVIOCGEFFECTS(r3, 0x80044584, &(0x7f0000000040)=""/141) close(r0) r4 = syz_open_dev$vcsa(&(0x7f0000000140)='/dev/vcsa#\x00', 0x1f, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000180)={0x1}) readv(r0, &(0x7f0000266000), 0x10000030) poll(&(0x7f00000001c0)=[{r4}], 0x1, 0x0) [ 641.606324] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:08 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xff00], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 641.656758] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 641.678970] RDS: rds_bind could not find a transport for 172.20.20.187, load rds_tcp or rds_rdma? [ 641.740768] RDS: rds_bind could not find a transport for 172.20.20.187, load rds_tcp or rds_rdma? 2018/05/07 00:20:08 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'bond_slave_1\x00', 0x0}) r2 = dup3(r0, r0, 0x20000000080000) ioctl$sock_inet_SIOCADDRT(r2, 0x890b, &(0x7f0000000200)={0x5, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x1b}}, {0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x6, 0xb4, 0x1f, 0x1, 0x6, &(0x7f0000000180)='syzkaller1\x00', 0x3, 0x557, 0x40}) sendmsg$nl_route(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=@bridge_dellink={0x20, 0x11, 0x401, 0x0, 0x0, {0x7, 0x0, 0x0, r1}}, 0x20}, 0x1}, 0x0) r3 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x101240, 0x0) ioctl$sock_netrom_TIOCINQ(r3, 0x541b, &(0x7f0000000100)) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r3, 0x4008ae48, &(0x7f0000000140)=0xd000) 2018/05/07 00:20:08 executing program 7: 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 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rfkill\x00', 0x400002, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000240)) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x3, 0x88400) getsockopt$netrom_NETROM_IDLE(r2, 0x103, 0x7, &(0x7f0000000180)=0x1, &(0x7f00000001c0)=0x4) mknodat(r2, &(0x7f0000000280)='./file0\x00', 0x8, 0x800) sendmsg$nl_generic(r1, &(0x7f00005a5000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="2800000900000000000000000000000001000000140000000000e6896f0aa59c4a0036bc9d15b64417e01f81dfbaeea1eb190161fa82c4f48aa917549bc250fa038dd1f9d533e5a3f5290b9d59ad026a593e66cacb1b2a70ed3a7ebfd4104f199f1a776497a16fe6136a5c25ccf60463d5172444321be11b3b53237c5bc37343f37eace8f5c0d63d5740b829bc1d910895e91b731194f52570a6d3630cc6dbe6c02c7534"], 0x288}, 0x1}, 0x0) 2018/05/07 00:20:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x80fe]}}, 0x1c) 2018/05/07 00:20:08 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:08 executing program 2: r0 = syz_open_dev$tun(&(0x7f00000001c0)='/dev/net/tun\x00', 0x0, 0x24080) sendto$ipx(0xffffffffffffffff, &(0x7f0000000800)="40564e940c5d249a954a7c810b650b39f0f6af8c4ea5b6ed47136c865f49e6b4e3858bbccedbebee281ae80861103a29d0cd925363fe2afdf49ef1aef7b3e70c9131c501b2512fb4a6a631f41906e89c388f9dc19d222e45ebe88e802c86c95d0ab5f275cd64ff828691eac8236597378f95ca82dbde03ec50beeb5a5f70d57759110600068b5e6b3d94e9aa05457c551ffed088ffbc009679dde471ae6069bce6b4e9851fb21996001651ef1b1d4a769e09a06cccda91e8a6832910d1e78ce78349417191ecfdeaaed2640b6ee5b2de17454a3fdbfb63528b78ab1b1f114259de1d4d1aa6ef6d652c68a53ec663b0e6", 0xf0, 0x4800, &(0x7f0000000900)={0x4, 0xfffffffffffffffd, 0xffff, "4800beda77d1", 0x9}, 0x10) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'nr0\x00', 0x801d}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x5) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0}, &(0x7f0000000080)=0xc) ioctl$TUNSETOWNER(r0, 0x400454cc, r1) 2018/05/07 00:20:08 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) syz_emit_ethernet(0xfffffe69, &(0x7f0000000040)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0xffffff84, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14}}, @udp={0x0, 0x0, 0x8}}}}}, &(0x7f0000000000)={0x0, 0x0, [0xa52, 0x0, 0xb56]}) 2018/05/07 00:20:08 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xf000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xd]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:08 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x32000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:08 executing program 3: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vhost-net\x00', 0x2, 0x0) pread64(r0, &(0x7f0000000000)=""/7, 0x7, 0x0) 2018/05/07 00:20:08 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, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x30000003) r1 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r1, &(0x7f0000000140)={0xa, 0x0, 0x0, @dev={0xfe, 0x80, [], 0xf}, 0x3}, 0x1c) connect$inet6(r1, &(0x7f0000419000)={0xa, 0x4e20, 0xffffffffffffffff, @dev={0xfe, 0x80, [], 0xf}}, 0x1c) [ 642.287719] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:08 executing program 7: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f0000000400)={'sit0\x00', 0x0}) openat$cuse(0xffffffffffffff9c, &(0x7f0000000180)='/dev/cuse\x00', 0x400000, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000440)={'bond_slave_0\x00', r1}) r2 = socket$inet6(0xa, 0x2, 0x0) sendmmsg(r2, &(0x7f0000001d80)=[{{&(0x7f0000000000)=@in6={0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}}, 0x1c, &(0x7f0000000040), 0x0, &(0x7f0000000080)}}, {{&(0x7f0000000a80)=@in={0x2, 0x4e20, @rand_addr}, 0x10, &(0x7f0000001bc0), 0x0, &(0x7f0000000040)}}], 0x2, 0x8080) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x400800, 0x0) ioctl$BLKREPORTZONE(r3, 0xc0101282, &(0x7f00000001c0)={0x3, 0x5, 0x0, [{0xa000000000000, 0x1f, 0x6, 0x0, 0x8, 0xdd7, 0x4}, {0x100000000, 0x3f, 0x3, 0x9b6e, 0x2, 0x9, 0x8}, {0x400, 0x2, 0x6, 0xfffffffffffffffc, 0x9, 0x401, 0x1ff}, {0x100, 0x1, 0x8c77, 0x1, 0x8, 0xfffffffffffffffd, 0x9e67}, {0x4, 0x2, 0xfffffffffffffffb, 0x101, 0x2, 0x7a, 0x4}]}) stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)) 2018/05/07 00:20:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xb0e]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:08 executing program 1: r0 = socket(0x200000000010, 0x2, 0x0) write(r0, &(0x7f0000000040)="2400000025007f000009000000007701000200ff01000000ffffff0100ff100021ac0000", 0x24) 2018/05/07 00:20:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5555000000000000]}}, 0x1c) 2018/05/07 00:20:08 executing program 3: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x3, 0x0) sendto$ax25(r0, &(0x7f0000000040)="ec2229483a08c70cd8e4f81ecbeacc74df46054334021c301121eebd8602d8a0cbfb0a421f49acbeae2dca162c0e90aa5c5def047d3baf2960577b803efcf6e4f852cae268bc2c171c0e18aaf94efa709a19aced317eda66d4c818a045b74485dc31d49669b9ee03e1b19c223e0d40aad321fe53f522a1a1f234330dfaccb99b79408ade04eee57365", 0x89, 0x8000, &(0x7f0000000100)={0x3, {"9ccc5d2681c355"}, 0x6}, 0x10) write(r0, &(0x7f0000000000)="2400000058001f0014b2f407000904000201071008000100ffffffff0800020001000000", 0x24) 2018/05/07 00:20:09 executing program 7: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/vsock\x00', 0x400, 0x0) getsockopt(r0, 0x80, 0xb55c, &(0x7f0000000140)=""/150, &(0x7f0000000200)=0x96) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) rt_sigprocmask(0x0, &(0x7f0000039ff8)={0xfffffffffffffffa}, 0x0, 0x8) r1 = gettid() sched_rr_get_interval(r1, &(0x7f0000000240)) r2 = gettid() ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40087705, &(0x7f0000000100)={0x9, 0x81}) timer_create(0x0, &(0x7f0000044000)={0x0, 0x17, 0x4, @tid=r2}, &(0x7f00008ec000)=0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x5c, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000, 0x3, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x400, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x7fe00, 0x8}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) timer_settime(r3, 0x2, &(0x7f000004a000), &(0x7f0000000000)) sendmsg$inet_sctp(r0, &(0x7f0000000380)={&(0x7f0000000040)=@in={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10, &(0x7f0000000280)=[{&(0x7f0000000300)="c6f75651cc881605d52e6c2ed529d36af8d3ea9fc369f0b72c7f1ce331309248ac0c36a43b623f33da1bef99a25328441d59d204d871e76783da136688570ac5842933c2d1b85b4c74f9485cd186503105190ae652d180fe08e36f72bcd2e5", 0x5f}], 0x1, 0x0, 0x0, 0x10}, 0x40001) timer_delete(r3) 2018/05/07 00:20:09 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xf5ffffff], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 642.490963] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xfec0000000000000]}}, 0x1c) shutdown(r0, 0x1) [ 642.552607] Unknown ioctl 21664 2018/05/07 00:20:09 executing program 3: r0 = eventfd2(0x2, 0x0) r1 = socket$kcm(0x29, 0x420000000007, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$eventfd(r0, &(0x7f0000000040)=0xfffffffffffffffe, 0x8) sendmmsg(r1, &(0x7f0000002380)=[{{&(0x7f0000000080)=@ethernet={0x1, @random="40dd5544b2f4"}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000100)="301a78496e73738ef96d3ec23ac8faa8d9fad63da7b0e3c59e9cb00a9de967220429c8b1815b8018fec233839e7deec5a997412f814a0814d6817d28e6cba963bf9f6d48e23d25271e9864c5052af91a0f78382df2f89ce7ac03db6ff4e78e4d1fdff3b355eecc1e0a3eb56a86", 0x6d}, {&(0x7f0000000280)="23b20c71834f935e83559916d9b154242f1d42a592e1485f88a1d806b3375536628ca99fd90c338d4ae1d7e39468363950988a576bc8d8d532f968f97b1dbd207069de29e10def9ee0a7c5b7cd28f88a8efc72475189e243a41752a6123e86bbd6ea1f3d7596665df361deb048fc05e2900658f592da0d0f4f5ed461795b29c743d54b08fe8ec00af935da00e8ed6b6188deb4f52147a633ea1fc5f8b4038ad66b397df7cbd862a178a8cee9748e8fa43de32ef783cfef65f8041f8746177891cd3b4ea5d8b6dce9fc01f0d2df263c", 0xcf}, {&(0x7f0000000000)="faa402b046e552298bdde5", 0xb}, {&(0x7f0000000380)="87ee101140b0d86bbe2689aca2477e0a7fde7ef410e7ee03db40b8652e5ebe66df8e1d7b0e4eb53fe0ae22955c794ae5749042a1cb316f55f49a2983cbf85b858a720b283927f4fa029aac2de4d6b755437e68fd51808062f856b6921ce0aba0401b326f637523dfa71fda752d6b16ab2edf0e2ef0e10181d8eba823c70f648bd72654a42981d8fce64032a8958e553c", 0x90}], 0x4, &(0x7f0000000440)=[{0xf0, 0x10f, 0x1, "5f1914fa3b00a6f0037526bb3c90523ce030f1dfe41a024c846bf2de909f94eeebce1dfdab1dc135cb1bc7313e14e79956f6bf0a79334ab16652a22b57adbccfe7f4790ecad50a9ed66cbcc31e85e3dda15882e3b1de1ca07fdb45c99f03b8148f1e72238ffe698e84e5252f7ecf8fda6005f41e2a89891e4bde4c20f7ea6581460427b879ca4d8e9ee6a0de541538fca7ce02924644c0cf11c0f8ace4c9e017c7d43a39d9e3fbb2ba5d0971ab01f3de272eee31ab968209312029b94592aadce24e5e8ee0367e7278fee003ba6e8bd4922f8d3b116217ca11abc52919"}, {0x58, 0x13f, 0x8, "413aa0c0b9b00744974abc62205c6ee10baf48c5ab72016be0f5022867e6d99a00b95e04139969ad85926b6ec8d8a72023360b70f900a15bbe0dfc103c224b99a4"}, {0x60, 0x119, 0x80000000, "170ebfdf84e427262011ccaa2ab7a9e017c446030a07f5b8d5ca858066c067e5abe5bb1b9780ff3e06689b572eb9dcab6189d57ba3a0eca57ff0a750d7841fb034b7d045f5778493653771"}, {0x108, 0x0, 0x6, "eee15ff310ea420be6704e1d7e04dea5fddc5c5074399b3ee0ec1c76acfabcf99cb6a807549bdf34dddc9442980c87944f90a88465153fff715b6fedc858a9d65b8c10b55bc1cd529ec724814db9b64531192cf1b4204d094a601757aac0ce5a8693747e665dbdf45d4c0fc9252f08df0c3995264b2bbb307dbf3fb665bb099cc6e2669d092adaffbc60766420be9d6bb6e064fe442fccd811fab54a15e8b31c4d8f4cb79fd90fcf4b9f0f7de927ca6f61b3adf7940dca0143f0cb6b3157416875123a63c5ff4822d346ea026fd0ec1ccda6e555d2eac5c0800db06b5ad2a1f8abe9bcdf6ef8487f72310660165368661b378ed7"}, {0x1010, 0x111, 0x1, "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"8653584ddc99713ec531f408541b49de514a337de9edf5b6131da9b146a0c3855d913d8f66a4a7e5a262375cdd55eddaacf455c7319a0daa82bf21570b8cac710bcab295a3671e66fda6db4915b97971030843127c5e18b6d7d8a3c3d468e2"}], 0x1508, 0x400c084}, 0x40}, {{&(0x7f0000001980)=@sco={0x1f, {0x5, 0x8b7, 0x7, 0x0, 0x61}}, 0x80, &(0x7f0000001a40)=[{&(0x7f00000001c0)="d32ec945a29ea0dd6fe29003a3e205c40de8e2ec6adc11b301fb76da26a9bd148d42ee2f48b62ad7409f624c64a78cf2e534416d48bd0137", 0x38}, {&(0x7f0000001a00)="330e1beb077d4677fcf03bb70c741c47d052a50db287db858d3e0bc5c35b367b2cc2", 0x22}], 0x2, &(0x7f0000001a80)=[{0x48, 0x102, 0x200, "fc9edda51076ad332b041b5a6cf6d9628ab1689fd3b3e266cb4b7ebe958c6ca7ff460bd8f67f14a1ab3be083eceaaed8fc4caa02"}], 0x48, 0x20000000}, 0x30c}, {{&(0x7f0000001b00)=@in6={0xa, 0x4e21, 0x3, @dev={0xfe, 0x80, [], 0x10}, 0x1}, 0x80, &(0x7f0000001d00)=[{&(0x7f0000001b80)="eeb01b9f4c630ead6ff3d418fc00544cd42a1b39ac93e7c48a0e11a2df7e2d4784f936e1f1e21531cec775a259a22f7e8173e676ca63f1b03bb180e1520cb6c8e00bb032f6afbba4bbfacfef18b78470acf876ae4d83a6efa31714ce5b01b69d4633dd5ee6", 0x65}, {&(0x7f0000001c00)="ab5a9a4d4e9665c96feb7aa0401749f798623392dc87120197c111ff9ab51fb20f4956c68940a1db215b3b38e686df0d821cd302d42fe54733d9c7e12f6c140ea80305d7a69ed2af2b3cec865621c10cdad5888228fd783ce1b087387d07e18ee2b3ad9b155dab4c7fbe119abfa75fe9d4c939e6d277c2d20b1c7a21754722b6ad4a2623bcf503318a29614b5cd94d9ee668023e8b0e6e231cfee4906ef0df89ce5981534bbea64ec597e2b970bb964260f8a271bd06f2b7686a7edc62d970184456c89e78468663cfa9bc551337dfbdc125248ea63c674cb23da3caf20276d5fd7aee4723487172b36ebb54c5eb6f21bfacfe0c4c", 0xf5}], 0x2, &(0x7f0000001d40)=ANY=[@ANYBLOB="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"], 0x618, 0x4000}, 0x81}], 0x3, 0x0) readv(r0, &(0x7f0000002fe0)=[{&(0x7f0000002f94)=""/108, 0x6c}], 0x1) [ 642.574213] Unknown ioctl 1074296581 [ 642.627408] Unknown ioctl 21664 [ 642.633102] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 642.661672] Unknown ioctl 1074296581 2018/05/07 00:20:10 executing program 2: getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0xc) ioprio_set$pid(0x1, r0, 0xffffffffffff7fff) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r1, &(0x7f0000001280)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000001240)={0xffffffff}, 0x13f}}, 0x20) write$rdma_cm(r1, &(0x7f00000012c0)=@resolve_ip={0x3, 0x40, 0xfa00, {{0xa, 0x4e22, 0x0, @loopback={0x0, 0x1}}, {0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, r2}}, 0xd9) write$rdma_cm(r1, &(0x7f0000000040)=@set_option={0xe, 0x18, 0xfa00, @id_afonly={&(0x7f0000000000)=0x1, r2, 0x0, 0x2, 0x4}}, 0xfffffffffffffdf5) write$rdma_cm(r1, &(0x7f00000004c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000480)={0xffffffff}, 0x13f}}, 0x20) write$rdma_cm(r1, &(0x7f00000001c0)=ANY=[@ANYBLOB="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", @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00'], 0x48) write$rdma_cm(r1, &(0x7f0000000180)=@destroy_id={0x1, 0x10, 0xfa00, {&(0x7f0000000140), r3}}, 0x18) 2018/05/07 00:20:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x36020000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x2]}}, 0x1c) 2018/05/07 00:20:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xffffffff00000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:10 executing program 3: socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f00000003c0)={0xffffffffffffffff}) recvmsg(r0, &(0x7f00000005c0)={&(0x7f0000000400)=@ipx, 0x80, &(0x7f0000000580)=[{&(0x7f00000010c0)=""/4096, 0x1000}, {&(0x7f0000000480)=""/162, 0xa2}, {&(0x7f0000000540)=""/25, 0x19}], 0x3, 0x0, 0x0, 0xe2}, 0x1) r1 = socket$alg(0x26, 0x5, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) bind$alg(r1, &(0x7f0000001040)={0x26, 'aead\x00', 0x0, 0x0, 'rfc7539(chacha20-generic,poly1305)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000000)="0a0775b0d5e383e5b3b60ced5c54dbb7295df0df8217ad4000000000000000e6", 0x20) socket$alg(0x26, 0x5, 0x0) r2 = accept$alg(r1, 0x0, 0x0) r3 = request_key(&(0x7f0000000780)='user\x00', &(0x7f00000007c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000800)='aead\x00', 0x0) add_key(&(0x7f0000000600)='keyring\x00', &(0x7f0000000640)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000680)="def7d23f80e6e634edf50ab39ddf359f3ab1b449d613c40f66565d5eb88d82e77120fe653d1a8a0805177de65edb3c33227501422ecc703df017e2dfeec8bf27ed9ee1906beb89776312768afee8e9e770500d5ab1e328dcef14145d8c1e5cb1cfd6266ae29c2ed3d8c675d527736a75b968155a93f20004e6a6534fa0dbe23ed26f06eeae15bdcda57f1d466fddd100522b59446f2ca36c478f8e7980f328581aaf665954ef0697e8827faa0637e02ed039ad62293e1db9be7c186b143fd38180300f06f2dcf3285e6dc7cea46c9544d2242256fa3fdaf7611db724776b03bbae40fe43aa59d029f01af3de1456455f10f4f9019bde962d", 0xf8, r3) sendmsg$alg(r2, &(0x7f0000f8dfc8)={0x0, 0x0, &(0x7f0000f92f80)=[{&(0x7f00007db000)="6ad64a6eab0cc54ec21b3a933b7680fdbf", 0x11}], 0x1, &(0x7f0000655000)}, 0x0) recvmsg(r2, &(0x7f00000a6000)={&(0x7f0000074000)=@alg, 0x80, &(0x7f0000eecfc0)=[{&(0x7f000065efd2)=""/46, 0x2e}], 0x1, &(0x7f0000f7ffca)=""/87, 0x57}, 0x0) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000280)='/dev/audio\x00', 0x20000, 0x0) sendmsg$nl_generic(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000840)=ANY=[@ANYBLOB="280000001300000402000000fbdbf8250200000014000000ff020000000000000000080000000001bdb0eba08ff87f3292ef1a5d3a2f0082e59085142d733057ba382a3e3850f947b45cd8549d778aa4d37b36a26d50cefec19fcd0daa8a92a24f33941f7f3085f4e478e759e37df0ea0e3c2b36bc58c614a0cb3fa791e2e36cca9f05e0e9cc92b7031c439b1bba8517a905e40bffd8a5788742180dc360e18254d163b03dfb000000000000000000000000000000000000"], 0x28}, 0x1}, 0xc0) r5 = add_key(&(0x7f0000000080)='logon\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000100)="1b435891e9c5c88606047c3357dc06ce85d84598abdc83e5dbc1705160fac6bffdf92c709c7f1b874eb2c1c0915a3cd87ada492287e857b355210492d8af2177ee33fd480ee1cdeff76cc103da6064de7b4b66de44365c7e2b0af7e4d146c9580d9ea20c75cb1a9fad213920d212e8d820a43128764776070be8b2566eef10f90a9bfd52d7ac6d22727bdeced51535ab3698c034e68ac60331078ddbd5b1b00cda0a89efee36e9a279be0a1cf6f4779275741329a2a988509a17d4dfc35a650928c10636719894024ff6ba61640e6186183a82ccc390d4fb455148b622c47bfbc9c92758d1a210d9", 0xe8, 0x0) r6 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, r5) keyctl$revoke(0x3, r6) keyctl$setperm(0x5, r5, 0x2000) 2018/05/07 00:20:10 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x10]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:10 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x101000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = dup(r1) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r4 = syz_open_dev$random(&(0x7f0000000140)='/dev/random\x00', 0x0, 0x0) r5 = dup3(r4, r2, 0x0) syz_kvm_setup_cpu$x86(r5, r3, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000380)=[@textreal={0x8, &(0x7f00000001c0)="baf80c66b804e0a88a66efbafc0c66ed0f6bfc6564670fc7690fbaf80c66b82c6ff98e66efbafc0c66ed670fc72d020000002ef30fc77708b8ff0f8ed8baf80c66b8688d658e66efbafc0c66b83600000066ef0fe736f4000f0171f9", 0x5c}], 0x17a, 0x0, &(0x7f00000003c0), 0x10000000000001e8) 2018/05/07 00:20:10 executing program 7: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x4, 0x0, 0x4000000, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040), 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000000)) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000900)=@broute={'broute\x00', 0x20, 0x4, 0x680, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f00000001c0), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x1, [{{{0x5, 0x0, 0x0, 'ip6tnl0\x00', 'veth1_to_team\x00', 'bond0\x00', 'yam0\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], @random="c433dba47608", [], 0x70, 0x70, 0xc0}}, @common=@LED={'LED\x00', 0x28, {{'syz1\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0x19, 0x0, 0x0, 'bridge_slave_0\x00', 'bond_slave_1\x00', 'bpq0\x00', 'veth0\x00', @link_local={0x1, 0x80, 0xc2}, [], @link_local={0x1, 0x80, 0xc2}, [], 0xd8, 0xd8, 0x108, [@cgroup0={'cgroup\x00', 0x8}, @mac={'mac\x00', 0x10, {{@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}}]}}, @common=@CLASSIFY={'CLASSIFY\x00', 0x8, {{0xfffffffffffffc00}}}}]}, {0x0, '\x00', 0x2, 0xfffffffffffffffc, 0x1, [{{{0x13, 0x0, 0x0, 'syzkaller0\x00', 'lo\x00', 'bond0\x00', 'team0\x00', @empty, [], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], 0xa0, 0x168, 0x1b0, [@cpu={'cpu\x00', 0x8}]}, [@common=@LED={'LED\x00', 0x28, {{'syz1\x00', 0x1}}}, @common=@NFLOG={'NFLOG\x00', 0x50, {{0x0, 0x0, 0x0, 0x0, 0x0, "6018bd883d41680828658dede8085faf9a22db4eefe7feebfdd61b59b1b904f8174b4248cf6eec7bbddc7d07639ad89c12398f33de732a27951a2435ea06d9cd"}}}]}, @common=@RATEEST={'RATEEST\x00', 0x20, {{'syz1\x00'}}}}]}, {0x0, '\x00', 0x3, 0xffffffffffffffff, 0x1, [{{{0x5, 0x0, 0x0, 'gretap0\x00', 'ip6tnl0\x00', 'ipddp0\x00', 'syzkaller0\x00', @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x198, 0x218, 0x248, [@comment={'comment\x00', 0x100}]}, [@common=@redirect={'redirect\x00', 0x8, {{0xffffffffffffffff}}}, @common=@log={'log\x00', 0x28, {{0x0, "0e3369764bf5df1b5a8424ba560f271dd47e7ef31dce6bb54b253c52f860"}}}]}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}}]}]}, 0x6f8) [ 643.513789] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x2100], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:10 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000d06000)=0x1, 0x4) getsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000d16ffc), &(0x7f00002a5ffc)=0x4) getpeername(r0, &(0x7f0000000000)=@un=@abs, &(0x7f0000000080)=0x80) 2018/05/07 00:20:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5555]}}, 0x1c) 2018/05/07 00:20:10 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xb400]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:10 executing program 3: r0 = socket$inet(0x2, 0x6, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x800, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000040)=@broute={"62726f7574650500", 0x20, 0x3, 0xc60, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000500], 0x0, &(0x7f0000000000), &(0x7f0000000500)=ANY=[@ANYBLOB="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"]}, 0xcd8) sendfile(r0, r0, &(0x7f00000000c0), 0x5) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.stat\x00', 0x0, 0x0) [ 643.699427] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 643.719067] kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher 2018/05/07 00:20:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xffffff88], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 643.743159] kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher 2018/05/07 00:20:10 executing program 7: pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0xfffffffffffffffd, 0x8000000000032, r1, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000080)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x7, @time, {}, {}, @time=@time={0x77359400}}], 0x30) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000604ffc)) ioctl$FIONREAD(r0, 0x541b, &(0x7f0000000000)) dup2(r0, r2) 2018/05/07 00:20:10 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 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x82000, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f00000000c0)=0x7e8d07b2, 0x4) r1 = socket(0x2, 0xa, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r0, 0xae03, 0x80) getsockname$packet(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000080)=0x385) 2018/05/07 00:20:10 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000051cff6)='/dev/ptmx\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000140)=0xf7) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180)=@assoc_value={r1, 0x9}, 0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$TIOCMGET(r0, 0x5415, &(0x7f0000000000)) r2 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x101, 0x200) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r2, 0x111, 0x3, 0x0, 0x4) 2018/05/07 00:20:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x3]}}, 0x1c) 2018/05/07 00:20:10 executing program 3: r0 = socket(0x2, 0x1, 0x0) connect$nfc_llcp(r0, &(0x7f0000000000)={0x27, 0x1, 0x1, 0x0, 0x1, 0xbce5, "719f220cfbf2fef57e2bd5d3ced133795b07a9874db041dba97791249c57bbbe032e2bd345bf0ec9424807d32855ea0fc083745933b2fd9a73df682dd1a9e1", 0xd}, 0x60) getsockopt$sock_timeval(r0, 0x1, 0x1000000000000012, &(0x7f0000000100), &(0x7f0000000140)=0x10) 2018/05/07 00:20:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa206]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xfffffff5], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:10 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5]}}, 0x1c) shutdown(r0, 0x1) [ 644.348463] QAT: Invalid ioctl [ 644.376634] QAT: Invalid ioctl 2018/05/07 00:20:10 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xffffff80], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:10 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xaaaa000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:10 executing program 3: r0 = socket$kcm(0x29, 0x2, 0x0) getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000040), 0x4) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.current\x00', 0x0, 0x0) bind$ipx(r1, &(0x7f0000000080)={0x4, 0x9, 0xc9d1, "fd919bda3367", 0x6}, 0x10) 2018/05/07 00:20:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x800000000000000]}}, 0x1c) 2018/05/07 00:20:10 executing program 1: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0xffffffffffffffb4, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x81}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r0) 2018/05/07 00:20:10 executing program 2: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/hwrng\x00', 0x48001, 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000500)={0x0, 0x9, 0x20, 0x7e0f, 0x3}, &(0x7f0000000440)=0x18) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000480)={r1, 0x400}, &(0x7f00000004c0)=0xc) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000017000)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000340)='/dev/mixer\x00', 0x200000, 0x0) ioctl$IOC_PR_RELEASE(r4, 0x401070ca, &(0x7f0000000380)={0x7, 0x7, 0x1}) r5 = eventfd2(0x0, 0x0) r6 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/autofs\x00', 0xa000, 0x0) syz_kvm_setup_cpu$x86(r6, r6, &(0x7f0000fe6000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000240)="0fb4637a66b99a0200000f320fc71a360fc71f0fae5080640fc76b00a0a3420f3a0ffa630fab180fc79b9400", 0x2c}], 0x1, 0x72, &(0x7f00000002c0)=[@dstype0={0x6, 0xf}, @vmwrite={0x8, 0x0, 0x88, 0x0, 0x5, 0x0, 0x1f, 0x0, 0x4}], 0x2) socketpair(0x0, 0x0, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) getsockname$ax25(r7, &(0x7f0000000180), &(0x7f00000001c0)=0x10) getsockopt$inet_mreq(r7, 0x0, 0x27, &(0x7f0000000400)={@rand_addr, @multicast2}, &(0x7f0000000540)=0x8) ioctl$LOOP_SET_CAPACITY(r7, 0x4c07) recvfrom$ax25(r8, &(0x7f0000000080)=""/146, 0x92, 0x1, &(0x7f0000000140)={0x3, {"f661a1f1b9f98d"}, 0x1000}, 0x10) r9 = eventfd2(0x0, 0x0) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000000040)={r9, 0x0, 0x2, r5}) getsockopt$bt_BT_SECURITY(r7, 0x112, 0x4, &(0x7f0000000000), 0x2) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000c68000)={r9, 0x0, 0x2000000002, r5}) 2018/05/07 00:20:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x700]}}, 0x1c) shutdown(r0, 0x1) [ 644.520814] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 644.539647] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r1, 0xae03, 0x76) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0xa00, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000000040)=[@in6={0xa, 0x4e24, 0x3ff, @mcast1={0xff, 0x1, [], 0x1}, 0x5}, @in={0x2, 0x4e21, @multicast1=0xe0000001}, @in6={0xa, 0x4e24, 0x8, @empty, 0x800}, @in6={0xa, 0x4e20, 0xf7a, @local={0xfe, 0x80, [], 0xaa}, 0x6}, @in={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x84) [ 644.579112] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 644.675347] irq bypass consumer (token 00000000da6b8d59) registration fails: -16 2018/05/07 00:20:11 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x84ffffff00000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:11 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f000073aff0)=@req={0x1000, 0x7, 0x1000, 0x7}, 0x10) r1 = dup2(r0, r0) setsockopt$packet_int(r0, 0x107, 0x11, &(0x7f0000000140)=0x10000000, 0x4) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) accept$nfc_llcp(r1, &(0x7f00000001c0), &(0x7f0000000180)=0xfffffffffffffe73) setitimer(0x1, &(0x7f0000000040)={{r2, r3/1000+10000}, {0x77359400}}, &(0x7f0000000080)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCINQ(r1, 0x541b, &(0x7f0000000240)) ioctl$TIOCGPTPEER(r1, 0x5441, 0xbf) accept4$ipx(r1, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x800) 2018/05/07 00:20:11 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x91ffffff]}}, 0x1c) 2018/05/07 00:20:11 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000710fe4)={0xa, 0x4e21}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e24, 0x0, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x3}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f000037c000)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/05/07 00:20:11 executing program 7: r0 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x2, 0x0) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000600)={0x0, @in6={{0xa, 0x4e22, 0xd77, @empty, 0x7}}}, &(0x7f00000006c0)=0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f00000001c0)=[@in6={0xa, 0x4e23, 0xc7, @empty, 0x7ff}, @in6={0xa, 0x4e21, 0x0, @empty, 0x8}, @in6={0xa, 0x4e24, 0x3, @dev={0xfe, 0x80, [], 0x15}, 0x3cdf}, @in6={0xa, 0x4e20, 0x6, @mcast2={0xff, 0x2, [], 0x1}, 0x81}, @in={0x2, 0x4e22, @rand_addr=0x4}, @in6={0xa, 0x4e23, 0x2, @dev={0xfe, 0x80, [], 0x17}, 0xffffffff}, @in6={0xa, 0x4e23, 0x8, @empty, 0x8}, @in6={0xa, 0x4e23, 0x7fff, @local={0xfe, 0x80, [], 0xaa}, 0x4}, @in={0x2, 0x4e20}], 0xe4) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4080000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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"], 0x244}, 0x1, 0x0, 0x0, 0x4008890}, 0x4000000) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = timerfd_create(0x0, 0x0) timerfd_settime(r1, 0x0, &(0x7f0000000180)={{}, {0x0, 0x989680}}, &(0x7f0000000080)) read(r1, &(0x7f0000000040)=""/35, 0x5) 2018/05/07 00:20:11 executing program 2: r0 = socket$kcm(0x29, 0x802, 0x0) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) unshare(0x400) r1 = fcntl$dupfd(r0, 0x0, r0) fstat(r1, &(0x7f0000000fbc)) 2018/05/07 00:20:11 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x9]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x7]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:12 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x400000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:12 executing program 2: socket$inet_dccp(0x2, 0x6, 0x0) r0 = syz_open_pts(0xffffffffffffff9c, 0x8000) mmap(&(0x7f0000c74000/0x3000)=nil, 0x3000, 0x6, 0x33, r0, 0x0) mmap(&(0x7f0000c51000/0x2000)=nil, 0x2000, 0x1003, 0x400000000000032, 0xffffffffffffffff, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x37, &(0x7f0000000ffc)=@fragment, 0x8) 2018/05/07 00:20:12 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x900]}}, 0x1c) 2018/05/07 00:20:12 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f00000003c0)=0x0) r2 = getpgrp(0x0) r3 = syz_open_dev$adsp(&(0x7f0000000400)='/dev/adsp#\x00', 0x798347a5, 0x0) kcmp$KCMP_EPOLL_TFD(r1, r2, 0x7, r0, &(0x7f0000000440)={r3, r0, 0x9}) setsockopt$inet_MCAST_JOIN_GROUP(r3, 0x0, 0x2a, &(0x7f0000000600)={0x8, {{0x2, 0x0, @multicast2=0xe0000002}}}, 0x88) mprotect(&(0x7f0000008000/0x4000)=nil, 0x4000, 0x4) pipe(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r4, 0xc0505405, &(0x7f0000000340)={{0x0, 0x3, 0x0, 0x3, 0x2}, 0x100, 0x200, 0x70}) mincore(&(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f00000006c0)=""/253) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socket$pptp(0x18, 0x1, 0x2) getsockopt(r6, 0x5, 0x0, &(0x7f0000000180)=""/113, &(0x7f0000000200)=0x71) getsockopt$inet6_IPV6_IPSEC_POLICY(r5, 0x29, 0x22, &(0x7f00000004c0)={{{@in6=@local, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@rand_addr}}, &(0x7f00000005c0)=0xe8) r8 = getgid() chown(&(0x7f0000000480)='./file0\x00', r7, r8) r9 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x81, 0x0) getsockname(r6, &(0x7f0000000240)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, &(0x7f0000000300)=0xffffffffffffff9b) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x101, 0x5, 0x20}, &(0x7f00000000c0)=0x10) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r9, 0x84, 0x76, &(0x7f0000000100)={r10, 0x3}, 0x8) 2018/05/07 00:20:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3d00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:12 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x6]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:12 executing program 7: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f000074fffc)=0x3, 0x291) r1 = dup(r0) setsockopt$inet6_tcp_int(r1, 0x6, 0x0, &(0x7f00000000c0)=0x6126, 0x4) setsockopt$inet6_tcp_int(r1, 0x6, 0x20000000000002, &(0x7f00007b1000)=0x81, 0x4) bind$inet6(r0, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f0000000000)={0x3, 0x1, 0x6, 0x3, 0x8}) sendto$inet6(r0, &(0x7f0000e77fff), 0x2bd, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet(r1, &(0x7f0000000240)="ac139ea8dba7fd4e3eeb5b20c9c31e72757dcada00ffdec470e4a87e13f14dc37bb7de13c225adf2f5410a7b0c7aff8c4af601e631a64f4f5b99e773f336c6d5188600172dcf194619e510f6e04db872296d1585218e50c580f22ca96d102fbdfd722bfc95536f09196a54a68345171dc7ea3603ed4717952e1447f298f1d59b9af8b49f52f325c2c097a5c0d2c62bfc71782687aeb115fa73f111a0ba0e0f42f8005d6108c4e69c9ed5ae125f4d22636263d1460c9966382c1ab7ea71ef89e63dc9901ae44d730f1fb4c480602fca5a27721dd22dda40e2a1f21ad7e443b50f650df92b7a618965b328", 0xfffffffffffffe28, 0x40001, &(0x7f0000000140)={0x2, 0x0, @loopback=0x7f000001}, 0x10) ioctl$KVM_SET_PIT2(r1, 0x4070aea0, &(0x7f0000000040)={[{0x4, 0x10000, 0x2, 0x1, 0x1, 0x9, 0x2, 0x15fb8fb7, 0x80000000, 0x75, 0x8, 0x8, 0x8}, {0x0, 0x6, 0x4, 0x3, 0x40, 0x7f, 0x8, 0x7, 0x1000, 0x4862, 0x101, 0x3, 0xfffffffffffffff7}, {0x3, 0x400, 0x8, 0x2, 0x1f2, 0x3f, 0x9, 0x1ff, 0x1f, 0x10001, 0x7, 0x6d2c, 0xffffffff}], 0x4}) 2018/05/07 00:20:12 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000001000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$VT_DISALLOCATE(r0, 0x5608) mmap(&(0x7f0000000000/0xfda000)=nil, 0xfda000, 0x0, 0x31, 0xffffffffffffffff, 0x0) ioctl$int_in(r0, 0x80000000005405, &(0x7f0000921000)) [ 645.576155] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:12 executing program 2: eventfd2(0x317, 0x80000) mprotect(&(0x7f0000375000/0xc00000)=nil, 0xc00000, 0x1) r0 = syz_open_dev$sndtimer(&(0x7f0000014000)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f0000c7c000)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000080)={r0, 0x50}, 0x10) [ 645.636221] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x2000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:13 executing program 1: mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount(&(0x7f0000000180)='./file0/bus\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='minix\x00', 0x1028000, &(0x7f0000000040)) link(&(0x7f00000000c0)='./file0/bus\x00', &(0x7f0000000000)='./file0/bus/file0\x00') 2018/05/07 00:20:13 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000a80)=""/246) ioctl$TCSETAF(0xffffffffffffffff, 0x5408, &(0x7f0000000000)={0x0, 0xffffffffffffffff}) ioctl$EVIOCGREP(r0, 0x40047451, &(0x7f00000008c0)=""/174) close(r0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$KVM_SMI(r0, 0xaeb7) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000240)="2e2f63677a6bf9c562809ff400d40554a4863731d64ecff3f88a93d574b08c7a285f64cc2cfb154be1ae894e609e99db3828cc175760d089bbb8bb4e5f410b1d430845c752e0f05e956814be21ba06e6a652392da7a9c34572e96058c0709acc37778a0b3d09d182", 0x200002, 0x0) fchdir(r2) ioctl$KVM_SET_FPU(r0, 0x41a0ae8d, &(0x7f0000002a80)={[], 0x4b9, 0x7f910fbf, 0x6640, 0x0, 0x1, 0x0, 0xd000, [], 0x7}) perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 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) r3 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_NAME(r3, 0x41007701, &(0x7f0000000040)='/dev/ashmem\x00') perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000e84000)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r3, 0x84, 0x8, &(0x7f0000000200)=0x6, 0x4) r6 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0xfffffffffffffff9, 0x200400) ioctl$sock_bt_hidp_HIDPCONNDEL(r6, 0x400448c9, &(0x7f00000002c0)={{0x100000001, 0x7fffffff, 0x8, 0xff, 0x8001, 0x5}, 0x7fff}) ioctl$KVM_SET_PIT(r5, 0x8048ae66, &(0x7f000074af90)={[{0x7}, {}, {0x0, 0x0, 0xe1c, 0x0, 0x0, 0x0, 0xfffffffffffffffd}]}) sysfs$3(0x3) ioctl$KVM_SET_PIT(r5, 0x8048ae66, &(0x7f0000001000)) getsockopt$nfc_llcp(r6, 0x118, 0x1, &(0x7f00000000c0)=""/128, 0x80) getsockopt$nfc_llcp(r6, 0x118, 0x7, &(0x7f0000000140)=""/109, 0x6d) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x3, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x2000) writev(0xffffffffffffffff, &(0x7f00000027c0)=[{&(0x7f00000026c0)="fdaa2c240921abb301600a760a62335a2a293713c887be1c0c360b7061392ab770890427781a3a32138ff6ed4757f0d09af511f9ba3d37f7f6481b76726059c40f32f823cb15c69220839b70ae3f54b5d0ff3756014c7c016d51f6163a6d036bd160418c5a2933212866268950fc834b1ea8ec9fb6e09426769010734c2b10d86ea770ffee34b8ba6d5ae1d836c0f3aeb03f20aa02aa1fb32eb1356f3e445d9434a8227f9914fc6bf334f0d2b7918bb17e8fed755f85fd2f9af914fb82c1f19b0f233846d20a182e1900eb3c0080f885fe0211aa941ac78b96d79ed82105a95579", 0xe1}], 0x1) unlink(&(0x7f0000000300)='./file0/file0\x00') 2018/05/07 00:20:13 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3e8]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:13 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) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x106d}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x1, 0x5, &(0x7f0000346fc8)=ANY=[@ANYBLOB="080000000000000000000000000000001f1100000000000000000000000000009500e50000000000"], &(0x7f0000000040)='syzkaller\x00', 0x405c6e, 0x429, &(0x7f0000000080)=""/251}, 0x48) 2018/05/07 00:20:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0xffffff91]}}, 0x1c) 2018/05/07 00:20:13 executing program 7: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffffff, &(0x7f0000000340)='./file0\x00', 0x80000, 0x14a) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f0000000440)=""/199) mmap(&(0x7f0000000000/0x9d7000)=nil, 0x9d7000, 0x0, 0x4d072, 0xffffffffffffffff, 0x0) clone(0x80200000, &(0x7f0000000200)="6977e46399aab6f8d76aae89b26e78b4ee99091a81fb96a661e0c4dac4dd5837dd5d93c5c3014acbbdf0fff2b7b2c74e39bd44c8deec6118ae50fded5993ff8d6d96aafdc2cf1bc457db6b12116d45089e9bc3bebd0863db9ecf08b6e0114fab2900222a7d53006fc1389c34ad2e938c41d769b8079401905d4e199978065392623c86b4db4749dfb7a5a3c85fa9331c1bffa33b29a61a428b95834a825d2cbaf918d29e976aafa1767d56bfe49ffe1886246f09c0ca7bb9cb64852223a057054a9a3d2e1f0b01e33571f469bc2928b39a5fb0379f43", &(0x7f0000000400), &(0x7f0000000100), &(0x7f0000000380)="a5b8eec63056e36abb8b782292ffb78891322f2f269a8510a226090bed97a6596604e970c8d537679e31566a8f8c5144be3cfe5f5b012ab4fc59e6f89e6ec83ad0b9505518e24e04331a8e8a3495c22b7a536d21fdc3f03e0e0c3d4ead954bc247e5b200") ioctl$KVM_SET_GUEST_DEBUG(r0, 0x4048ae9b, &(0x7f0000000540)={0x40000, 0x0, [0x100000001, 0x6, 0x8, 0x40, 0x5, 0x1f, 0x5, 0x8]}) socketpair(0x1a, 0x805, 0x80, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000180), &(0x7f0000000300)=0xffffffffffffff47) ioctl$SG_SET_COMMAND_Q(r0, 0x2271, &(0x7f00000005c0)=0x1) ioctl$SG_SET_COMMAND_Q(r0, 0x2271, &(0x7f0000000040)) process_vm_readv(0x0, &(0x7f00000001c0)=[{&(0x7f0000000140)=""/59, 0x3b}], 0x1, &(0x7f0000000500), 0x0, 0x0) socket$kcm(0x29, 0x5, 0x0) setsockopt$bt_BT_SNDMTU(0xffffffffffffffff, 0x112, 0xc, &(0x7f0000000080)=0x1, 0x2) 2018/05/07 00:20:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1a00]}}, 0x1c) shutdown(r0, 0x1) [ 646.595513] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:13 executing program 1: 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 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) add_key$user(&(0x7f0000c24ffb)='user\x00', &(0x7f00003ebffb)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000d6c000)="0000000000000001e3a255ec4a8d9d652d0536c67b9695cfb4c29da627ab9e5e0587e50ec159997396abc344a7d9f563a3e3af2d90a5dfcade859e4717cdf8f03fdf022186424d68996f51a7b3f20108f152bfd57ac5a50be84a106249d0216d5c98c41df97cd7d5032e9c632e4715a226907aabbfc5b3f2e96bf3039474801053b87fbf8674e100", 0x88, r1) r2 = add_key$user(&(0x7f0000ef5000)='user\x00', &(0x7f00008fa000)={0x73, 0x79, 0x7a}, &(0x7f0000000080)='u', 0x1, r1) r3 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x8, 0x80) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r3, 0xc08c5334, &(0x7f0000000400)={0x3f, 0x7, 0x3f800000000000, 'queue0\x00'}) r4 = add_key$user(&(0x7f0000688000)='user\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000001c0)="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", 0x101, r1) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000500)=ANY=[], 0x0) setsockopt$bt_BT_POWER(0xffffffffffffffff, 0x112, 0x9, &(0x7f00000003c0), 0x1) r5 = request_key(&(0x7f0000a98ffb)='user\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000dde000)="2f6465612f7675746f66730719", 0x0) syz_open_dev$sndpcmp(&(0x7f0000000300)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ioctl$TCSETSW(0xffffffffffffffff, 0x5403, &(0x7f0000000380)={0x65, 0x0, 0x0, 0x0, 0x0, 0x8}) keyctl$dh_compute(0x17, &(0x7f00004c8ff4)={r2, r4, r5}, &(0x7f00005cd000), 0x0, &(0x7f000010c000)={&(0x7f0000bf4ff3)={'ghash-generic\x00'}, &(0x7f0000000000)}) 2018/05/07 00:20:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x5]}}, 0x1c) 2018/05/07 00:20:13 executing program 2: mmap(&(0x7f0000000000/0xca9000)=nil, 0xca9000, 0x5, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000080)=0x4) 2018/05/07 00:20:13 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3e7]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x600], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:13 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x30], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:13 executing program 2: sendto$inet6(0xffffffffffffffff, &(0x7f0000f6f000), 0x0, 0x20000004, &(0x7f0000cc7fe4)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) r0 = request_key(&(0x7f00000005c0)='user\x00', &(0x7f0000000780)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000640)='id_legacy\x00', 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000700)='keyring\x00', &(0x7f0000000740)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$search(0xa, r0, &(0x7f0000000680)='logon\x00', &(0x7f00000006c0)={0x73, 0x79, 0x7a, 0x2}, r1) setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@loopback={0x0, 0x1}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@rand_addr, 0x0, 0x32}, 0x0, @in=@rand_addr}}, 0xe8) r2 = request_key(&(0x7f0000000040)='id_legacy\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000000c0)='*wlan1,ppp0!-trusted*\x00', 0xfffffffffffffffd) r3 = add_key(&(0x7f0000000100)='encrypted\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000280), 0x0, 0xfffffffffffffffc) r4 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000280)) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000002c0)={{{@in=@broadcast, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@broadcast}}, &(0x7f00000003c0)=0xe8) getresuid(&(0x7f0000000400)=0x0, &(0x7f0000000440), &(0x7f0000000480)) setsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f00000004c0)={{{@in=@multicast2=0xe0000002, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x4e24, 0x0, 0x4e22, 0x4, 0xa, 0xa0, 0xa0, 0x5e, r5, r6}, {0x4, 0xfffffffffffffff7, 0xa2, 0x8000, 0xe2b6, 0x4, 0x1, 0x9}, {0x8, 0x7, 0x100000000, 0x1}, 0x5, 0x6e6bb1, 0x3, 0x0, 0x1, 0x3}, {{@in, 0x4d3, 0x6c}, 0x2, @in=@rand_addr=0x3, 0x3505, 0x3, 0x3, 0x4, 0x7fffffff, 0x8, 0x7391}}, 0xe8) keyctl$negate(0xd, r2, 0x27, r3) sendto$inet6(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x240400c0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) socket$inet_udp(0x2, 0x2, 0x0) 2018/05/07 00:20:13 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3602000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xf5ffffff]}}, 0x1c) 2018/05/07 00:20:13 executing program 3: setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r0 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r0, 0x107, 0xd, &(0x7f0000001000), 0x561) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x12, r0, 0x0) 2018/05/07 00:20:13 executing program 7: r0 = socket$inet(0x2, 0x3, 0x2) getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000000), &(0x7f0000000040)=0xb) setsockopt$inet_int(r0, 0x0, 0x35, &(0x7f000003affc), 0x4) [ 646.948396] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:13 executing program 2: r0 = socket$inet(0x2, 0x80000000003, 0x100000002) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f000024d000)=0x7fe, 0x4) sendto$inet(r0, &(0x7f00002df000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) modify_ldt$write(0x1, &(0x7f0000000000)={0x8, 0x100000, 0x0, 0x0, 0x5, 0xfffffffffffffff8, 0x7fffffff, 0x0, 0x800, 0x80000001}, 0x10) dup2(r1, r0) 2018/05/07 00:20:13 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) personality(0x8000000) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_GET_SUPPORTED_CPUID(r0, 0xc008ae05, &(0x7f00000000c0)=""/163) ioctl$KVM_SET_CLOCK(r1, 0x4030ae7b, &(0x7f0000000080)={0x0, 0x1}) 2018/05/07 00:20:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x40020000]}}, 0x1c) 2018/05/07 00:20:13 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00009a9000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_GET_PIT2(r1, 0x8070ae9f, &(0x7f0000000080)) r2 = syz_open_procfs(0x0, &(0x7f0000001440)='net/sockstat6\x00') getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0x5a, "351c4b633eb630f9eecde3a87e6d680037550987885d9718a352ba39c2c15ad2f6c0029ba666301e276121fc64c82c2499a6bee042d6986d2f48ae4147627baacc65185f141e974b99529058c3954bffff8c0f1e80b624c1327f"}, &(0x7f0000000240)=0x62) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000280)={r3, 0x8}, 0x8) ioctl$sock_ipx_SIOCGIFADDR(r2, 0x8915, &(0x7f0000001480)={'erspan0\x00', {0x4, 0x9, 0x5, "8c156e79643c", 0x2}}) ioctl$fiemap(r1, 0xc020660b, &(0x7f0000000100)={0x3, 0x5, 0x6, 0x4, 0x5, [{0x9, 0xffffffff00000001, 0x6}, {0x7, 0x8, 0x2, 0x0, 0x0, 0x100}, {0x100000000, 0x3d3, 0x9, 0x0, 0x0, 0x502}, {0x0, 0x80, 0xc9, 0x0, 0x0, 0x2004}, {0x1f, 0x3, 0x4800, 0x0, 0x0, 0x400}]}) ioctl$KVM_GET_EMULATED_CPUID(r1, 0xc008ae09, &(0x7f00000002c0)=""/165) [ 647.104981] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1000000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x200000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:14 executing program 3: io_setup(0x7, &(0x7f0000000140)=0x0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) io_cancel(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x7, 0x9, r1, &(0x7f00000001c0)="07da69c0b450fb94872a9536cea61a7d8dc6875544d88fee88f1053a3aeee35c7bc314af0e45245ff3629079ecba4ee8aa103b391706c9bce72086aa851ac156025ef2485e5ace9a7823ad6723d0fea950f315c79ae65d834b02182faf6bfc16c070c26cee3f6c957e8ab00ed579c3872b3dfe5da49ffda0010f4d8e", 0x7c, 0x6b7, 0x0, 0x0, r2}, &(0x7f0000000280)) r3 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0xfffffffffffffbff, 0x204000) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000000040)={{0x2, 0x4e24, @loopback=0x7f000001}, {0x306, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x20, {0x2, 0x4e22, @loopback=0x7f000001}, 'bridge0\x00'}) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r3, 0xc0505405, &(0x7f00000000c0)={{0x3, 0x3, 0x9, 0x3, 0x6}, 0x5, 0x5, 0x3}) r4 = socket$inet(0x15, 0x6, 0x1) bind$inet(r4, &(0x7f000001bff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x13, &(0x7f00000002c0)={0x0, 0xfffffffffffffffd}, &(0x7f0000000300)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000000340)={0x6, 0x6, 0x9, 0x81, r5}, 0x10) connect$inet(r4, &(0x7f0000024ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r4, &(0x7f0000000480)="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", 0x1000, 0x40000, 0x0, 0x0) sendmsg(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000000380), 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="00003d5ae2589bbf5fe8534a55aaf58d267100056cfa01a92fde1bbe7a131dfcbc5f4418b175d7dc1a5f428cdaa845cf0230215070b656d4d3d4de7dd3e25cfc605540e83dc8f49d0aa90562ab8d53802d75167ea3d81de4a3d1d6208f53dbfc0465b1ca7bf681d16a74735f787ef7f55ad3625c08d409c753710175cad1a26e651aed027c7fdf07908bbe02d4a1b710832d045826976dd6bb67af716ea9"], 0x10}, 0x0) socket$inet(0x2, 0xf, 0x9) 2018/05/07 00:20:14 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) listen(r0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/tcp6\x00') getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000002c0)={{{@in=@loopback, @in6=@local}}, {{@in=@multicast1}, 0x0, @in=@multicast2}}, &(0x7f0000000080)=0xe8) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000040)={'bond_slave_0\x00', {0x2, 0x4e22, @multicast2=0xe0000002}}) preadv(r1, &(0x7f00000004c0)=[{&(0x7f00000001c0)=""/250, 0xfa}, {&(0x7f00000000c0)=""/75, 0x92}], 0x245, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000140)=r1, 0x4) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000700)={{{@in=@multicast2, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@mcast1}}, &(0x7f0000000800)=0xe8) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000840)={'vcan0\x00', r3}) 2018/05/07 00:20:14 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket(0x11, 0x100000802, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) socket$packet(0x11, 0x2, 0x300) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000000)={'ifb0\x00', 0x400b}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000040)={'ifb0\x00', 0xa201}) setsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f00000002c0)=0x7f, 0x4) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e21, @multicast1=0xe0000001}}, 0x80, 0x1000}, &(0x7f0000000080)=0x90) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000200)={r3, 0x2e59, 0x1}, &(0x7f0000000280)=0x8) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'ifb0\x00', 0x0}) sendto$packet(r1, &(0x7f00000001c0), 0x9f, 0x0, &(0x7f0000000100)={0x11, 0x0, r4, 0x1, 0x0, 0x6}, 0x14) ioctl$EVIOCGBITKEY(r0, 0x80404521, &(0x7f00000002c0)) 2018/05/07 00:20:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xeffdffff00000000]}}, 0x1c) 2018/05/07 00:20:14 executing program 7: rt_sigaction(0x7, &(0x7f0000000040)={0x42a538, {0xfffffffffffffffc}}, &(0x7f00000000c0), 0x8, &(0x7f0000000000)) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0x0, 0x0) r1 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-vsock\x00', 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) setsockopt$RDS_GET_MR(r0, 0x114, 0x2, &(0x7f0000000140)={{&(0x7f0000000280)=""/145, 0x91}, &(0x7f0000000080), 0x1}, 0x20) r2 = syz_open_procfs(0x0, &(0x7f0000000240)="6e65e026cdc17000") fcntl$setsig(r2, 0xa, 0x1d) 2018/05/07 00:20:14 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x10000000]}}, 0x1c) shutdown(r0, 0x1) [ 647.773579] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 647.780202] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3300000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:14 executing program 7: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) socketpair$inet(0x2, 0x2, 0x67, &(0x7f0000000080)={0xffffffffffffffff}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in={0x2, 0x4e23, @rand_addr=0x5}], 0xfffffe43) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x3, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000000), &(0x7f0000000040)=0x10) [ 647.820107] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:14 executing program 1: r0 = socket$inet_sctp(0x2, 0x5, 0x84) listen(r0, 0x4000000000000004) listen(r0, 0xfffffffffffffff8) r1 = accept(r0, &(0x7f0000000000)=@pppol2tpv3, &(0x7f0000000080)=0x80) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f00000000c0)={0x7fff, {{0xa, 0x4e23, 0x1, @empty, 0xb2}}, 0x0, 0x5, [{{0xa, 0x4e24, 0x1ff, @local={0xfe, 0x80, [], 0xaa}, 0x80000001}}, {{0xa, 0x4e24, 0x7ff, @mcast2={0xff, 0x2, [], 0x1}, 0xfff}}, {{0xa, 0x4e20, 0x4, @dev={0xfe, 0x80, [], 0x1d}, 0x6}}, {{0xa, 0x4e22, 0x8001, @empty, 0x1}}, {{0xa, 0x4e23, 0x80000001, @empty, 0x8}}]}, 0x310) 2018/05/07 00:20:14 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$bt_hidp(0x1f, 0x3, 0x6) sendfile(r0, r1, &(0x7f0000000080), 0x4) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r2, &(0x7f0000000000)={&(0x7f0000379000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000f0efe8)={0x14, 0x10, 0x443}, 0x14}, 0x1}, 0x0) 2018/05/07 00:20:14 executing program 2: r0 = socket$inet6(0xa, 0x3, 0xfffffffffffffffd) connect$inet6(r0, &(0x7f0000039000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x9}, 0x1c) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x20000, 0x0) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r1, 0xc0305302, &(0x7f00000000c0)={0x8000, 0x9, 0x7, 0x2, 0xaf, 0x4}) readlinkat(r1, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/57, 0x39) sendmsg(r0, &(0x7f0000000a40)={0x0, 0x0, &(0x7f0000000580), 0x0, &(0x7f0000003b40)}, 0x200000d4) 2018/05/07 00:20:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x91ffffff00000000]}}, 0x1c) 2018/05/07 00:20:14 executing program 3: r0 = socket$inet6(0xa, 0x80000, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f00000002c0)={0x0, 0xc6}, &(0x7f0000000300)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000340)={r1, 0x8}, &(0x7f0000000380)=0x8) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x0, 0x0) r3 = dup2(r2, r2) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000100)={r3, &(0x7f0000000080)="976e0c7dd5fc6e4ff232c01163bd8c49377ea48211bb57638a8ce462552da3b6fef055f6c9be240974e2bc1dc7ed269f2a745fa4d70655adda3ac14855a96ed323d6f1fba0e60a2c23f407b2d83d7fdb750a3c68830438bd"}, 0x10) r4 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r3, 0xc02c5341, &(0x7f0000000200)) r5 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x9, 0xc571bcabec1537ba) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r5, 0x84, 0x6f, &(0x7f0000000400)={r1, 0x10, &(0x7f00000003c0)=[@in={0x2, 0x4e21, @broadcast=0xffffffff}]}, &(0x7f0000000440)=0x10) ioctl$TUNSETLINK(r5, 0x400454cd, 0x108) setsockopt$inet_mreqsrc(r4, 0x0, 0x0, &(0x7f00000001c0)={@remote={0xac, 0x14, 0x14, 0xbb}, @rand_addr=0x1000, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r5, &(0x7f0000000480)={0xc0002000}) ioctl$LOOP_SET_BLOCK_SIZE(r3, 0x4c09, 0x9) openat$rfkill(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/rfkill\x00', 0x80, 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) ioctl$EVIOCGKEYCODE(r3, 0x80084504, &(0x7f0000000140)=""/72) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) 2018/05/07 00:20:14 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x88ffffff00000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 648.024342] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x300000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:15 executing program 7: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) close(r0) unshare(0x400) r2 = syz_open_dev$vcsa(&(0x7f0000580ff5)='/dev/vcsa#\x00', 0x1f, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000c85000)) readv(r0, &(0x7f0000266000)=[{&(0x7f000032cf93)=""/109, 0x6d}], 0x1) ioctl$EVIOCGKEYCODE(r2, 0x80084504, &(0x7f0000000000)=""/89) r3 = getpid() ptrace$peekuser(0x3, r3, 0xa88) syz_open_dev$midi(&(0x7f0000000100)='/dev/midi#\x00', 0x3, 0x101000) getdents64(r2, &(0x7f0000000080)=""/100, 0x64) pselect6(0x40, &(0x7f0000f33fc0)={0x3ffffd}, &(0x7f0000768000), &(0x7f0000086000), &(0x7f0000349000), &(0x7f0000f14000)={&(0x7f0000a65ff8), 0x8}) 2018/05/07 00:20:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x2000, 0x0) ioctl$EVIOCSABS0(r0, 0x401845c0, &(0x7f0000000040)={0xfffffffffffff000, 0x3, 0x5e00, 0x7, 0x800, 0xffffffff}) mmap(&(0x7f0000fea000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) capget(&(0x7f0000feaff9)={0x20080522}, &(0x7f0000fea000)) 2018/05/07 00:20:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmmsg(r0, &(0x7f00000000c0)=[{{0x0, 0x0, &(0x7f0000c38ff0)=[{&(0x7f0000000080)='`', 0x1}], 0x1, &(0x7f0000299000)}}], 0x1, 0x1000000000008000) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000000240), 0x4) 2018/05/07 00:20:15 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x6000000]}}, 0x1c) 2018/05/07 00:20:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x84ffffff], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:15 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000003c0)={0x26, 'hash\x00', 0x0, 0x0, 'sha256_mb\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f00007ed000), 0x2b) bind$alg(r0, &(0x7f0000000080)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha1\x00'}, 0xfffffed5) 2018/05/07 00:20:15 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa00]}}, 0x1c) shutdown(r0, 0x1) [ 648.643402] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x300000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 648.698087] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 648.700834] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:15 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000dbfffc)=0x3, 0x4) bind$inet6(r0, &(0x7f0000fa8fe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) connect$inet6(r0, &(0x7f0000966fe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000c9effc), 0x4) r1 = dup(r0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000080)=@assoc_value={0x0, 0x3ff}, 0x8) write$eventfd(r1, &(0x7f0000fc7ff8), 0xffc7) recvfrom(r0, &(0x7f00001b4f1e)=""/226, 0xfffffffffffffe49, 0x0, 0x0, 0xffffffffffffffa0) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x8, 0x6}, 0x10) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000100)={0x0, @in6={{0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}}}, &(0x7f00000001c0)=0x98) write$eventfd(r1, &(0x7f0000604000), 0x8) readv(r0, &(0x7f0000001200)=[{&(0x7f0000000200)=""/4096, 0x1000}], 0x1) memfd_create(&(0x7f0000000000)='\x00', 0x2) 2018/05/07 00:20:15 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xb]}}, 0x1c) 2018/05/07 00:20:15 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00008f0ff8)={0xffffffffffffffff, 0xffffffffffffffff}) bind$unix(r0, &(0x7f0000686000)=@file={0x1, './file0\x00'}, 0xa) r1 = dup2(r0, r0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 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) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f00000001c0)={0x8, 0x12, 0x1, r1}) open(&(0x7f0000000000)='./file0\x00', 0x10000, 0x41) prlimit64(0x0, 0x7, &(0x7f0000287000), &(0x7f0000a25ff0)) ioctl$sock_ipx_SIOCAIPXITFCRT(r1, 0x89e0, &(0x7f0000a84ffc)) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000440)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000140)=0xf9) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000180)={r2, 0x81}, 0x8) 2018/05/07 00:20:15 executing program 7: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000007000)={'vcan0\x00', 0x0}) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) getsockname$unix(r2, &(0x7f0000000640), &(0x7f00000006c0)=0x6e) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r2, 0xc4c85512, &(0x7f0000000100)={{0xff, 0x1, 0x100000000, 0x0, "ad8683265e74fe23f88bc0f53a2e81890a1732ce4b96a9c85055c3dc5216ac79f04fba490aeafbcf8d7bd805"}, 0x7, [0x4, 0xffffffffffffffff, 0xfffffffffffffffc, 0x7f, 0x1, 0x0, 0x3f, 0x5, 0xfffffffffffff510, 0x3, 0x10001, 0x61e, 0x7fffffff, 0x3, 0x2, 0x434, 0x3c37, 0x2, 0x6, 0xffffffffffffffff, 0x2, 0x0, 0x1, 0x1000, 0x40, 0x8, 0x5, 0xff, 0x9, 0x626, 0x81, 0xffff, 0x7, 0x8, 0x8001, 0x7ff, 0xf9, 0x7, 0x39, 0x98d, 0xb7, 0x0, 0x800000000000000, 0x7, 0xfffffffeffffffff, 0xa45, 0x3, 0x6, 0x2000000, 0x3, 0x37c, 0x101, 0x80000001, 0x5c, 0x5, 0x8000, 0x5, 0xff, 0x8, 0x8, 0x81, 0xfffffffffffffff7, 0x8, 0xf361, 0x6, 0xfffffffffffffffb, 0x5, 0xffffffffffffffff, 0x6, 0xfff, 0x5, 0x8, 0x9e, 0x1, 0x7, 0x1, 0x0, 0x200, 0x9, 0x3, 0xffff, 0x7ff, 0x4, 0xffffffffffffffff, 0x3ff, 0x5, 0xfffffffffffffff7, 0x1ff, 0x4, 0x0, 0x2, 0x0, 0x2, 0xb3f, 0x200, 0x100, 0x101, 0xd1, 0x400, 0x40, 0x7f, 0x0, 0x6, 0xfffffffffffff388, 0x7, 0x3, 0x6, 0xffffffff, 0x3, 0xdaff, 0x7fffffff, 0x3f, 0x1, 0x7ff, 0xffff, 0xffff, 0x7, 0x4ddc, 0x9, 0xff, 0x6, 0x4, 0x6, 0x7, 0x1, 0x10001, 0x6, 0x6], {r3, r4+10000000}}) bind$can_raw(r0, &(0x7f0000000000)={0x1d, r1}, 0x10) setsockopt(r0, 0x65, 0x10000000002, &(0x7f0000000000)="c8d63f23", 0x4) syz_open_dev$vcsa(&(0x7f0000000600)='/dev/vcsa#\x00', 0x8, 0x480400) openat$cuse(0xffffffffffffff9c, &(0x7f0000000700)='/dev/cuse\x00', 0x218000, 0x0) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x40000) close(r0) 2018/05/07 00:20:15 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x55550000]}}, 0x1c) 2018/05/07 00:20:15 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x1100], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:15 executing program 7: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x40000, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffff9c, 0x84, 0x72, &(0x7f0000000080)={0x0, 0x6, 0x30}, &(0x7f00000000c0)=0xc) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000100)=@assoc_id=r1, 0x4) syz_emit_ethernet(0x12, &(0x7f0000000140)=ANY=[@ANYBLOB="8480c26a7a2ead002c2b13fc815c108a652b0a0c6d03e1051f000000ffff2cc1095e730664006ae13a6086c9a14b10c39b90edb5cbeeb6e540af5d70f84edbd43f5c821da52b0d9f15822d75b97733f9b038a006f2e6f4568fc4a1d703700559c59e28470ed4073144cc9c89692d3df6"], 0x0) [ 648.913805] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x500000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:16 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x2800000000000000]}}, 0x1c) 2018/05/07 00:20:16 executing program 7: syz_emit_ethernet(0x42, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000008004600003414bb860400000400907800000000450000000000000000000000ac141400e0000001"], 0x0) r0 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0xc840, 0xa4) ioctl$sock_inet6_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000080)) 2018/05/07 00:20:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x6000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:16 executing program 2: perf_event_open(&(0x7f0000000280)={0x2, 0x70, 0x3e6, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00009e3ff6)='/dev/ptmx\x00', 0x0, 0x0) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x4, 0x20000) ioctl$TCSETS(r0, 0x40045431, &(0x7f00005befdc)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x3}) r1 = syz_open_pts(r0, 0x0) fcntl$setstatus(r1, 0x4, 0x2800) 2018/05/07 00:20:16 executing program 1: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000001180)='/dev/vga_arbiter\x00', 0x80, 0x0) ioctl$EVIOCSKEYCODE(r0, 0x40084504, &(0x7f00000011c0)=[0x3, 0xe7d2]) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140)='/dev/hwrng\x00', 0x80000, 0x0) ioctl$sock_bt(r1, 0x8907, &(0x7f0000000180)="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") r2 = socket(0xa, 0x5, 0x0) getsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000001400), &(0x7f0000001340)=0xffffffffffffff3d) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r2, 0x800442d2, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x0, 0x0, 0x0, @remote}]}) r3 = fcntl$getown(r0, 0x9) setpriority(0x3, r3, 0xffffffff) r4 = syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x2, 0x4000) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x200000, 0x0) write$eventfd(r4, &(0x7f00000000c0)=0xfff, 0x8) getsockopt(r2, 0x0, 0x53, &(0x7f000000d000)=""/8, &(0x7f0000fe3000)=0x8) 2018/05/07 00:20:16 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x2000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:16 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) listen(r0, 0x8000010000100007) r1 = accept(r0, &(0x7f0000f06000)=ANY=[], &(0x7f00008f4000)) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value, &(0x7f0000000080)=0x8) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_qlen_max\x00', 0x2, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000100)={'syzkaller1\x00', 0x1801}) 2018/05/07 00:20:16 executing program 2: mmap(&(0x7f000090c000/0x4000)=nil, 0x4000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000ee8ff7)='/dev/rtc\x00', 0x2a2000, 0x0) readlinkat(r0, &(0x7f000090fff8)='./file0\x00', &(0x7f0000728000)=""/145, 0x91) getpeername$netrom(r0, &(0x7f0000000100)=@full, &(0x7f00000000c0)=0x48) 2018/05/07 00:20:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x88ffffff], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 649.651514] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 649.658672] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 649.671150] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:16 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cuse\x00', 0x2000, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x100000000000, 0x47, 0x0, r0}, 0x2c) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0xffffffffffffff1c, &(0x7f00001a7f05)=""/251}, 0x18) socketpair$unix(0x1, 0x20000000005, 0x0, &(0x7f0000000000)={0x0, 0x0}) setsockopt$sock_attach_bpf(r3, 0x1, 0x32, &(0x7f00000000c0)=r1, 0xfffffffffffffecc) sendmsg(r2, &(0x7f0000001440)={&(0x7f0000000040)=@nfc={0x27}, 0x80, &(0x7f0000001380), 0x2cb, &(0x7f00000062c0)}, 0x0) 2018/05/07 00:20:16 executing program 7: r0 = socket$inet6(0xa, 0x1, 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, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet6_int(r0, 0x29, 0x10000000000010, &(0x7f0000534000), &(0x7f000044affc)=0x4) socket$inet6(0xa, 0x805, 0x7) 2018/05/07 00:20:16 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x600]}}, 0x1c) 2018/05/07 00:20:16 executing program 2: r0 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x3, 0x80000) ioctl$LOOP_SET_DIRECT_IO(r0, 0x4c08, 0x3231) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000140)={'team0\x00', 0x0}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000180)={r1, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x10) r2 = syz_open_dev$binder(&(0x7f0000000100)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r3 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000000), &(0x7f00000000c0)=0xf, 0x800) ioctl$sock_SIOCOUTQNSD(r3, 0x894b, &(0x7f0000000080)) ioctl$BINDER_SET_MAX_THREADS(r2, 0xc0189436, 0x2) 2018/05/07 00:20:16 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x11000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:16 executing program 7: syz_emit_ethernet(0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="aa39aaaaaaaaaaaaaaaaaa0008004600002c000a004403ffffe9000000", @ANYPTR=&(0x7f0000000080)=ANY=[@ANYRES32, @ANYPTR64=&(0x7f0000000040)=ANY=[@ANYPTR64]], @ANYRES32=0x41424344, @ANYBLOB="c3b5000000000000"], &(0x7f00000002c0)={0x0, 0x0, [0x0, 0xffffffffffffffff]}) [ 649.899603] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:17 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x1b000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) close(r0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000d36000)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(khazad-generic)\x00'}, 0x58) lsetxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@random={'system.', 'eth0]\x00'}, &(0x7f00000000c0)='skcipher\x00', 0x9, 0x1) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000001f3a)="ad56b6c5820faeb995298992ea54c7be", 0x10) r2 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001340)=[{&(0x7f0000002f80)="af92b02946cc7574aa8e5ab7acc3d6614713177f7e6614cd1850335982678891076a6d4b8a9ae62d7acf0f532e1dc8d86a6d34481b18bd8fe329a76a09a9f823624e7c16ef2b3dfb35df9616d02b35bdb595e7e3ef4e61b58f11c6cd9dbc08e1e5385563d9b9533ae1ec48358eeb1dd501d4d277fcb303939409375bf5ea39e0c12b74be4a24ed973479c4161a4efc9d6ecfd3f166348be648c823021eedd76b1d76a3fa0feade8d15abecf40310810d5eba77d8246a2f1b4f683398be40c79dcd8701b0bd93209d", 0xc8}], 0x1}, 0x0) recvmsg(r2, &(0x7f0000001700)={&(0x7f0000001440)=@in={0x0, 0x0, @remote}, 0x80, &(0x7f00000015c0)=[{&(0x7f0000001f80)=""/4096, 0x1000}], 0x1, &(0x7f0000001600)=""/193, 0xc1}, 0x0) 2018/05/07 00:20:17 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xff00]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:17 executing program 2: r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x800, 0x7, 0x2, 0x0, 0x3, 0x3c, 0x0, 0x1}) poll(&(0x7f0000023fb0)=[{r0, 0x0, 0x4}], 0x1, 0xce8) mq_timedsend(r0, &(0x7f0000000240)="6cf97f9cfa6d442b849423a0972cf6cf833ed20cf4d1606693664681d831418653f0cdba4abc65447d51dda32d2b1e227ab230285aa3ab73789ee86267a8fd6dde56662365efe8e72d118084658eba03f3dee303223f83801d110819a9d68919177ab503cb5105170f1cfd7e4953fc0de333c5ef67320a54421df8c766a2e46825ebaf7180c1f84560c46363f6d5e85c82213ee609b2d4a0135d5bd1d18dbc8696c5766d7838dd", 0xffffff78, 0x0, &(0x7f0000000200)={0x77359400}) r1 = dup2(r0, r0) mq_timedreceive(r1, &(0x7f0000000340)=""/131, 0x3b3, 0x104, &(0x7f0000000300)={0x0, 0x989680}) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) futex(&(0x7f0000000040), 0x3, 0x2, &(0x7f00000000c0)={r2, r3+30000000}, &(0x7f0000000100)=0x1, 0x1) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e24, @multicast1=0xe0000001}}, 0xfffffffffffffffb, 0x1, 0x8, 0x3, 0x20}, &(0x7f0000000400)=0x98) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000440)=@sack_info={0x0, 0x9, 0x6}, &(0x7f0000000480)=0xc) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f00000004c0)={r4, 0xc3d, 0x4, 0x1, 0x6, 0x9, 0x1ff, 0x1, {r5, @in6={{0xa, 0x4e24, 0x200, @mcast1={0xff, 0x1, [], 0x1}, 0x55}}, 0x2, 0x80000001, 0xfffffffffffffffb, 0x17, 0x30991894}}, &(0x7f0000000580)=0xb0) r6 = add_key$keyring(&(0x7f00000005c0)='keyring\x00', &(0x7f0000000600)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xffffffffffffffff) r7 = request_key(&(0x7f0000000740)='encrypted\x00', &(0x7f0000000780)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000007c0)='-$\x00', 0xfffffffffffffff9) keyctl$instantiate(0xc, r6, &(0x7f0000000640)="51d93d34cbd6e168eeaa24048d307a70875648f1154df02508c9027b476d76f39b471687ddb90739cc947cdcc6976301a66380301852baac2e03c0e4eed1a3a1472108c623a17a22eb7bb306f4c8a978aaf811aa8b0bcd0d363617d042ea582c449456785946e937f5561acd9bb671d0df79156ae010be9de135c016e125eaabae6034e852bf888d0ae72e2ea1e8dd3a6307544f84aeb61689b90a376426b8b86552e1f05bf9a29c0f07df48e969237dfa3c2f2c53122f58d008134d6483fce76dda9cd7f09c4d64c91706206741c6", 0xcf, r7) 2018/05/07 00:20:17 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x5000000]}}, 0x1c) 2018/05/07 00:20:17 executing program 1: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x0, 0xffffffffffffffff) ioctl$KVM_GET_DEBUGREGS(r0, 0x8080aea1, &(0x7f0000000180)) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0xfffffffffffffffc, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x4, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000040)="66e0aa0f309b0f01c9baf80c66b86c19608b66efbafc0c66b80a00000066ef0fc728f466b9f609000066b80000000066ba000000800f306526821a006766c744240038d000006766c7442402f9ffffff6766c744240600000000670f011424", 0x5f}], 0x1, 0x0, &(0x7f0000000100)=[@cstype3={0x5, 0xa}, @efer={0x2, 0xb45e637ddd8096c}], 0x2) r3 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r3, 0x4010ae74, &(0x7f0000000200)={0x3, 0x3, 0x3}) ioctl$KVM_ENABLE_CAP(r3, 0x4068aea3, &(0x7f0000000400)={0x8f, 0x0, [0x4]}) 2018/05/07 00:20:17 executing program 7: syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x100000001, 0x80) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x100000b, 0x31, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x1, &(0x7f00009ecff8), 0x2, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 2018/05/07 00:20:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x33000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:17 executing program 7: prlimit64(0x0, 0x7, &(0x7f00000000c0)={0x0, 0xfffffffffffffffe}, &(0x7f0000a25ff0)) syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x20000, 0x0) ioctl$EVIOCGBITSW(r0, 0x80404525, &(0x7f0000000040)=""/61) 2018/05/07 00:20:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xffffff84], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 650.772405] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 650.786520] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 650.797515] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:17 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x2800]}}, 0x1c) 2018/05/07 00:20:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0xa, &(0x7f0000765fef), &(0x7f0000754ffc)) socket$netlink(0x10, 0x3, 0x16) 2018/05/07 00:20:17 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x80ffffff00000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:17 executing program 7: r0 = userfaultfd(0x1fffffffffffc) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000ff5fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000ff7fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x3, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000003000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r1, 0xc004510e, &(0x7f0000000000)) 2018/05/07 00:20:17 executing program 3: r0 = socket$can_bcm(0x1d, 0x2, 0x2) close(r0) r1 = socket(0xe, 0x8000f, 0x7) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000040)={0x0, 0x1f, 0x2, 0x74000000000000, 0x5, 0x1, 0xfffffffffffffffd, 0x7ff, 0x0}, &(0x7f0000000080)=0x20) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000000c0)={r2, 0x401}, 0x8) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000000)) setsockopt$inet_sctp_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000100)={r2, 0x2, 0xc2, "ae4a151f4ce36ea3f28fa3bbdf2c23f17d6008ad837ee9646659d4f1ba66e86804d5b436505dac5ae2c44e6815ab84738a0f94c3b7a06c4bf2dcbe94bf476c9f7cfeff55705bad76c68762446bcb5418bc4ddd0ea6ab3a55f48a52354b1581896b5c09bb2337d90362b52bb3f78c86e1264b0d65b244c3a8242ea3eff040876bf50f47b3f53c4eb24555f93f20beafecfe252f1f70d801e931b3721b725429cbc996c9e1f83d6b179bef0104c01dbceefe3cf71c4f2bb518af2c3f745bcdaf3188e8"}, 0xca) [ 650.944621] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:17 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xc4ffffff00000000]}}, 0x1c) [ 651.124205] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x20000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:18 executing program 7: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x8000000803, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000380)=@abs={0x1, 0x0, 0x4e22}, 0x117) sendmmsg$unix(r2, &(0x7f00000bd000), 0x80, 0x0) perf_event_open(&(0x7f000025c000)={0x4, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fffffff, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = accept$unix(r2, 0x0, &(0x7f0000000040)) r4 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000140)='/dev/qat_adf_ctl\x00', 0x4000, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000000240)={0x0, 0x8, 0x2b, 'queue0\x00', 0x10000}) dup2(r0, r2) openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x40, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r3, 0x84, 0x1e, &(0x7f0000000080)=0x6, 0x4) 2018/05/07 00:20:18 executing program 1: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000180)={0x7, 0x70, 0x4, 0x0, 0x5, 0x4, 0x0, 0x3, 0x400, 0x3, 0x4, 0x0, 0x7, 0x6, 0x6, 0x0, 0x3, 0xf1, 0xac8a, 0x0, 0x4, 0xff, 0x9, 0xe33, 0x9, 0x0, 0x5, 0xffff, 0x6, 0x3, 0x2, 0x8, 0xfffffffffffffff8, 0x6, 0xfffffffffffff22a, 0x4, 0xfffffffffffffff9, 0x6, 0x0, 0xe24, 0x0, @perf_config_ext={0x2, 0x2}, 0xa08, 0x80, 0x40, 0x1, 0x6, 0x7fff, 0xfffffffffffffffc}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000140)='.proc-cgroupcpusetlowlan0ppp0(vmnet1\x00') ioctl$KVM_SET_MP_STATE(r0, 0x4004ae99, &(0x7f0000000100)=0x3) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2661, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/05/07 00:20:18 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/ip6_mr_vif\x00') setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000140)=[@in6={0xa, 0x4e23, 0x400, @ipv4={[], [0xff, 0xff], @rand_addr=0x2}, 0x8}], 0x1c) setsockopt$inet_int(r0, 0x0, 0x39, &(0x7f0000000000)=0x2, 0x4) sendfile(r0, r0, &(0x7f0000000040)=0x400000, 0x400000ff) sendto$inet(r0, &(0x7f0000000180)="01274b7ccbd2718e231bc290a7e37a5a07f30617449f2255a1bebbb39368f5617016b960e36d9d8e21bfc6469f25d5f38d41feda825ea19ad1ad6433377410dda7a910fa8e568e6202e444dcff0f0820b6c76fd58fc8ee9af2418bde6882dfea87aa37c64e7373211b7c081daa021f24ca0f9f581504957f86afc7901715681a88166d4cd7b0ca847fd850d1252a2cac73ad629754d4d25bdfac8946e697e9a3649286f3eedbdff595c2783880c9feb812838718e716742acf5ee6e03233782158f1c22132a6533dd2d3507901cc72aca4d2e88e5583f2627530484df5e7bb7ae6f7bdefc21e4824351da68176df2a06123dd47564180751ab", 0x5f, 0x90, 0x0, 0xfffffffffffffc92) 2018/05/07 00:20:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3000000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:18 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x9000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:18 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xe00000000000000]}}, 0x1c) 2018/05/07 00:20:18 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_user\x00', 0x0, 0x0) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000040)={'ip6gretap0\x00', {0x2, 0x4e22}}) [ 651.840807] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 651.852188] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 651.879996] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0xffffffffffffffff], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000100)={&(0x7f00000000c0)='./file0\x00', 0x0, 0x18}, 0x10) sendmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, &(0x7f00000002c0), 0x78, &(0x7f0000000300)}}, {{0x0, 0x0, &(0x7f0000000680), 0x59, &(0x7f00000006c0), 0x95}}], 0x2, 0x0) 2018/05/07 00:20:18 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x4000000]}}, 0x1c) 2018/05/07 00:20:18 executing program 2: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000702000)) stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)) getresgid(&(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000200)=0x0) getgroups(0x2, &(0x7f0000000140)=[r0, 0xffffffffffffffff]) setresgid(0x0, r1, 0x0) 2018/05/07 00:20:18 executing program 1: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x40}) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x5, 0x10042) setsockopt$llc_int(r1, 0x10c, 0x7, &(0x7f0000000080)=0x9, 0x4) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000909000/0x4000)=nil, 0x4000}, 0x1}) madvise(&(0x7f000090b000/0x3000)=nil, 0x3000, 0x4) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x0, 0x64031, 0xffffffffffffffff, 0x0) read(r0, &(0x7f000060df9c)=""/100, 0x64) 2018/05/07 00:20:18 executing program 7: openat$autofs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/autofs\x00', 0x100, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x3fe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x2, 0xa2) ioctl$EVIOCREVOKE(r0, 0x40044591, &(0x7f0000000080)=0xb9b6) time(&(0x7f00000000c0)) 2018/05/07 00:20:18 executing program 3: setsockopt$inet_tcp_buf(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000003f42)="e9b1102fd162d2883afda6ca384faf121d74cc184624fce45026608dab3c7b831ea74850369babebbb881b4705fb9d5b6904ab9ea2bf03d896bd297cb7b37702c0a3363c7b53618766bfaea1eff261f0b2e23ea64dae4b74e1384260720bb174676f336b965c9cb4b46b75ae551d1a742a5e977acd7cce7ec8f0b0695c6d6012d40ea9373a4dcd9710956cc6e7ed45055df929909a53679bad", 0x99) socketpair(0x1, 0x80000, 0x4, &(0x7f00000011c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000001200)={{0x2, 0x4e20, @rand_addr=0x4592}, {0x1, @random="817d42791f42"}, 0x0, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x12}}, 'bond_slave_0\x00'}) pipe(&(0x7f0000000000)={0xffffffffffffffff}) accept4$llc(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000080)=0x10, 0x80000) r2 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r2, 0x107, 0xf, &(0x7f0000006ffc)=0x6, 0x4) sendto$inet6(r2, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000005fe4)={0xa, 0x2000, 0x3, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) clone(0x200, &(0x7f00000000c0)="1aa5826bf35b1bb52d4664d4b4f9916fefbaddf703c4f40b61926dff09f4e2bfd356c4f7ee110bdc2d0c3e986c4ed7baa7b7cfd7b74506772fbd4ef761ab146f20c1a6fc0929c6a5ce7e7e803a5a30f4fbde6e737018d83c1a39746069e9b04a9a29cc9b", &(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)="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") 2018/05/07 00:20:18 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xffffff8d]}}, 0x1c) shutdown(r0, 0x1) [ 652.037845] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x5]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:19 executing program 2: pselect6(0x40, &(0x7f0000000040)={0x2, 0x3, 0xfffffffffffffff7, 0xd4, 0x7, 0xfffffffffffffff8, 0x9f5}, &(0x7f0000000080)={0x6, 0x6, 0x8, 0xf232, 0x5, 0x1, 0x1, 0x1}, &(0x7f00000000c0)={0x6cee, 0x5, 0x1, 0x58, 0x5, 0x3ff, 0x1000000, 0x8}, &(0x7f0000000100)={0x0, 0x989680}, &(0x7f0000000180)={&(0x7f0000000140)={0x3}, 0x8}) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000001c0)={'bridge_slave_1\x00', &(0x7f0000001500)=ANY=[@ANYPTR64=&(0x7f0000000340)=ANY=[@ANYPTR64=&(0x7f0000000200)=ANY=[], @ANYRES32=r0, @ANYPTR, @ANYRES16=r1, @ANYRES32=r0, @ANYBLOB="fb6ebd9217ae7db93e2edc64e572d34e6c0025507e849b7eb847e277b6e30d7aed058102a97f4ff9ba357d401c2777345c92d9a71e73705fa7a764b072db0ab6c0cce7b5525e3942171de049d7ec5c6877e4868623b8f18175fb71fdfe9016d194fcc0f35711bec4488063f0150e0678e69a1f12ec1c304d6e87ecacd4246e0d4f6b732049e8f5eed7ea91d9ae641ae1cc", @ANYPTR64=&(0x7f0000000240)=ANY=[@ANYRES16, @ANYRES64=r1, @ANYPTR, @ANYPTR, @ANYRES64, @ANYRES64=r0, @ANYRES64=r0], @ANYRES64, @ANYPTR64=&(0x7f0000000280)=ANY=[@ANYRES32, @ANYPTR64, @ANYRES16, @ANYPTR64, @ANYRES32=r1, @ANYBLOB="a396cd2311686c45aef78244afe8d5019a908a5373d0a59d848346f82d15cc21c899716e400f72b7b8f39f265c5a38702fd19755d6781bb82cc5a548dc73b1c43b8df4b5f987e4d69a3499799522245643d71c6509a667ce3da3ba4bc67465f335285c2b7bb1957cc8d7ca84b5", @ANYRES32=r0]], @ANYBLOB="9c5e1d555fc08b302177e04f90ad9dbbebeafdeaf4cb9d0e40ceac9fe9735f353e1e6965f865e2172b748afa4def7ed75ebdbeb673fd3f55c22f770dde805578d694dd5cfab67e93f41e032d1517cb719e23bb62fff4556e0867f0ec0038e0d4d34954", @ANYPTR64=&(0x7f0000000480)=ANY=[@ANYPTR=&(0x7f0000000440)=ANY=[@ANYPTR, @ANYPTR64, @ANYRES64, @ANYRES16], @ANYBLOB="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", @ANYRES64]]}) socket$inet_tcp(0x2, 0x1, 0x0) 2018/05/07 00:20:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x600000000000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xffffff91]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:19 executing program 7: r0 = socket$netlink(0x2, 0x5, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000000)=0xa, 0x4) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x84, 0x7d, &(0x7f0000001000), 0x4) openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x200000, 0x0) 2018/05/07 00:20:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x4002]}}, 0x1c) 2018/05/07 00:20:19 executing program 3: r0 = accept4$ax25(0xffffffffffffff9c, 0x0, &(0x7f0000000080), 0x0) write(r0, &(0x7f0000000140)="e882a91ee4", 0x5) r1 = socket$netlink(0x10, 0x3, 0x0) io_setup(0x400, &(0x7f0000000180)=0x0) io_submit(r2, 0x0, &(0x7f00000001c0)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f00000000c0)=0x14) sendmsg$nl_route(r1, &(0x7f0000002fe4)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000240)={&(0x7f0000000100)=@getstats={0x1c, 0x5e, 0x310, 0x70bd2d, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, 0x4}, [""]}, 0x1c}, 0x1}, 0x8000) 2018/05/07 00:20:19 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x890b, &(0x7f00000002c0)={{0x2, 0x0, @multicast1=0xe0000001}, {0x0, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10, {0x2, 0x0, @loopback=0x7f000001, [0x0, 0x0, 0xfdfdffff00000000]}, 'team_slave_0\x00'}) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000), 0x4) 2018/05/07 00:20:19 executing program 7: r0 = semget$private(0x0, 0x102, 0x0) semtimedop(r0, &(0x7f0000000000)=[{0x0, 0x2}, {}], 0x2, &(0x7f00000000c0)) chroot(&(0x7f0000000040)='./file0\x00') 2018/05/07 00:20:19 executing program 3: r0 = socket$vsock_stream(0x28, 0x1, 0x0) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x1) sendto$inet6(r1, &(0x7f0000000080)="a27b012a5df0068bb47665101214216a7ac74483e331e8c90969b58a6ae11885ea401c83a948d2fb4f59f4360060da3bef94d21307ef98a6cd79778c2aaa083cbafd2403c42e7adf0d1d648fbef189b48b1637e94da9598bbb00a1b1f36031a535c9e3d97839473af1343bd7dc30ad06f1f72cf7b20bfa0c809c213c0070e98c82cd7359a9d68c416f33db9ccc04c729327e697569135cdab0a8869389240f5ec07199a7b4dfbbdaf1b23a3d2ee584e7c97b77d94c8842ed7742a056992364313efa505de7acaf52edea4065e925d7a79698f033c5a8642c2cac1445226761d377f4b3fb8265b3f5d4a1", 0xea, 0x40, 0x0, 0x0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000040)=0x28, 0x4) ioctl$TUNATTACHFILTER(r1, 0x401054d5, &(0x7f00000001c0)={0x2, &(0x7f0000000180)=[{0x8, 0x7, 0x495, 0x3}, {0x7fff, 0x7, 0x82c, 0x3f}]}) getsockopt$IP_VS_SO_GET_INFO(r0, 0x0, 0x481, &(0x7f0000000240), &(0x7f0000000280)=0xc) 2018/05/07 00:20:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x2500000000000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xffffff91]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:19 executing program 2: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x41, 0x0) listen(r0, 0x5) openat(r0, &(0x7f0000000000)='./file0\x00', 0x44000, 0x10) pread64(r0, &(0x7f0000000580)=""/93, 0xff5e, 0x0) 2018/05/07 00:20:19 executing program 1: r0 = socket(0xa, 0x2000000001, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x3100, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0xa7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x4000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000040)={0x0, 0x6, 0x7}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f00000000c0)={r1, 0x1}, 0x8) getsockopt(r0, 0x0, 0x53, &(0x7f0000001000)=""/8, &(0x7f0000000ffc)=0x3) 2018/05/07 00:20:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xfec0]}}, 0x1c) 2018/05/07 00:20:19 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00005a0000)='attr\x00') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)) getdents(r0, &(0x7f0000ac7f8c)=""/116, 0x74) r1 = accept$packet(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000140)=0xfffffffffffffd34) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000180)={r2, 0x1, 0x6}, 0x10) getpeername(r1, &(0x7f0000000280)=@nl=@proc, &(0x7f00000001c0)=0x80) 2018/05/07 00:20:19 executing program 3: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000001580)={'lo\x00'}) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000240)=ANY=[@ANYBLOB="400000001400110100000000000000000a000000", @ANYBLOB="14000600070000000600160000000000000000001400010000000000000000000000000000000001"], 0x2}, 0x1}, 0x0) 2018/05/07 00:20:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x4000000], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:19 executing program 2: [ 653.136488] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x8dffffff00000000]}}, 0x1c) [ 653.272772] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:19 executing program 7: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000f66ffc)=0x80000004) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000fdd000)=0x3) 2018/05/07 00:20:19 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0x800000000000000]}}, 0x1c) 2018/05/07 00:20:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x3d000000]}}, 0x1c) shutdown(r0, 0x1) 2018/05/07 00:20:19 executing program 3: 2018/05/07 00:20:19 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x11], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:19 executing program 1: perf_event_open(&(0x7f0000723f88)={0x2, 0x70, 0xc35, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x20020000) 2018/05/07 00:20:19 executing program 2: syz_emit_ethernet(0x4a, &(0x7f0000000100)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x0, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000002c0)) 2018/05/07 00:20:19 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000280)=0x242, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000012afe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000eb9fff), 0xfffffffffffffcd2, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @empty={[0x0, 0xa000000]}}, 0x1c) shutdown(r0, 0x1) [ 653.395558] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 653.421550] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:19 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x31, 0xffffffffffffffff, 0x0) r0 = getpid() futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000d8d000)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000edfff0)={0x77359400}, &(0x7f0000048000), 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000005900)=[{&(0x7f0000002200)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000002400), 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="180000000100000002", @ANYBLOB="1c00000001000000010000001f", @ANYBLOB="100000000100000001000000", @ANYRES32=0x0, @ANYBLOB="100000000100000001000000"], 0x32, 0xa25143f9c0fbecd7}], 0x1, 0x4000) pause() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000005e00)=[{&(0x7f0000000440)=@abs, 0x6e, &(0x7f00000016c0)=[{&(0x7f00000004c0)="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", 0xf46}], 0x1, &(0x7f0000001700)}], 0x1, 0x0) process_vm_readv(r0, &(0x7f0000001400), 0x1, &(0x7f0000000000)=[{&(0x7f0000000040)=""/204, 0xd7e1e1d24b36aac5}, {&(0x7f0000002880)=""/183, 0x3d1}], 0x2, 0x0) 2018/05/07 00:20:19 executing program 3: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x31, 0xffffffffffffffff, 0x0) r0 = getpid() futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000d8d000)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000edfff0)={0x77359400}, &(0x7f0000048000), 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000005900)=[{&(0x7f0000002200)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000002400), 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="18000000010000000200", @ANYBLOB="1c00000001000000010000001f", @ANYBLOB="100000000100000001000000", @ANYRES32=0x0, @ANYBLOB="100000000100000001000000"], 0x33, 0xa25143f9c0fbecd7}], 0x1, 0x4000) pause() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000005e00)=[{&(0x7f0000000440)=@abs, 0x6e, &(0x7f00000016c0)=[{&(0x7f00000004c0)="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0xf46}], 0x1, &(0x7f0000001700)}], 0x1, 0x0) process_vm_readv(r0, &(0x7f0000001400), 0x1, &(0x7f0000000000)=[{&(0x7f0000000040)=""/204, 0xd7e1e1d24b36aac5}, {&(0x7f0000002880)=""/183, 0x3d1}], 0x2, 0x0) [ 653.438975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/05/07 00:20:20 executing program 7: pipe2(&(0x7f0000f61000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x1c) fcntl$setpipe(r0, 0x407, 0x0) clone(0x0, &(0x7f0000000400), &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)) dup2(r0, r2) 2018/05/07 00:20:20 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f000031e000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) 2018/05/07 00:20:20 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x2c, 0x0, @empty, @mcast2={0xff, 0x2, [0x3], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) 2018/05/07 00:20:20 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0x0, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22, 0x0, @empty={[0x0, 0x0, 0x0, 0xe272fc4000000000]}}, 0x1c) 2018/05/07 00:20:20 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000240)=0x100000001, 0x4) connect$inet6(r0, &(0x7f0000000080)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x13a) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)={0x303, 0x33}, 0x28) sendto(r0, &(0x7f00000002c0), 0x16d, 0x0, &(0x7f0000000400)=@hci={0x1f}, 0x80) [ 653.613762] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 653.680513] ================================================================== [ 653.688371] BUG: KASAN: use-after-free in tls_sk_proto_close+0x8ab/0x9c0 [ 653.695227] Read of size 1 at addr ffff8801b510a2d8 by task syz-executor1/6177 [ 653.702589] [ 653.704231] CPU: 1 PID: 6177 Comm: syz-executor1 Not tainted 4.17.0-rc3+ #36 [ 653.711410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 653.720754] Call Trace: [ 653.723344] dump_stack+0x1b9/0x294 [ 653.726959] ? dump_stack_print_info.cold.2+0x52/0x52 [ 653.732143] ? printk+0x9e/0xba [ 653.735420] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 653.740175] ? kasan_check_write+0x14/0x20 [ 653.744395] print_address_description+0x6c/0x20b [ 653.749229] ? tls_sk_proto_close+0x8ab/0x9c0 [ 653.753716] kasan_report.cold.7+0x242/0x2fe [ 653.758136] __asan_report_load1_noabort+0x14/0x20 [ 653.763071] tls_sk_proto_close+0x8ab/0x9c0 [ 653.767395] ? unwind_get_return_address+0x61/0xa0 [ 653.772323] ? tcp_check_oom+0x520/0x520 [ 653.776383] ? tls_write_space+0x340/0x340 [ 653.780618] ? graph_lock+0x170/0x170 [ 653.784409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.789933] ? ipv6_sock_ac_close+0x34e/0x480 [ 653.794430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.799960] ? ipv6_sock_mc_close+0x161/0x1c0 [ 653.804462] ? ip_mc_drop_socket+0x20f/0x270 [ 653.808874] inet_release+0x104/0x1f0 [ 653.812666] inet6_release+0x50/0x70 [ 653.816372] sock_release+0x96/0x1b0 [ 653.820078] ? sock_alloc_file+0x4e0/0x4e0 [ 653.824307] sock_close+0x16/0x20 [ 653.827750] __fput+0x34d/0x890 [ 653.831025] ? fput+0x1a0/0x1a0 [ 653.834303] ? _raw_spin_unlock_irq+0x27/0x70 [ 653.838787] ____fput+0x15/0x20 [ 653.842067] task_work_run+0x1e4/0x290 [ 653.845943] ? task_work_cancel+0x240/0x240 [ 653.850256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 653.855785] ? switch_task_namespaces+0xa2/0xd0 [ 653.860460] do_exit+0x1aee/0x2730 [ 653.864014] ? plist_add+0x770/0x770 [ 653.867751] ? mm_update_next_owner+0x980/0x980 [ 653.872420] ? print_usage_bug+0xc0/0xc0 [ 653.876476] ? graph_lock+0x170/0x170 [ 653.880272] ? do_raw_spin_unlock+0x9e/0x2e0 [ 653.884689] ? rcu_note_context_switch+0x710/0x710 [ 653.889614] ? lock_acquire+0x1dc/0x520 [ 653.893590] ? __might_sleep+0x95/0x190 [ 653.897562] ? __lock_acquire+0x7f5/0x5140 [ 653.901790] ? debug_check_no_locks_freed+0x310/0x310 [ 653.906974] ? do_raw_spin_unlock+0x9e/0x2e0 [ 653.911383] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 653.915972] ? kasan_check_write+0x14/0x20 [ 653.920206] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 653.925402] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 653.930938] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 653.936053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.941598] ? futex_wait+0x5c1/0x9f0 [ 653.945388] ? perf_trace_lock_acquire+0xe3/0x980 [ 653.950225] ? futex_wait_setup+0x400/0x400 [ 653.954555] ? perf_trace_lock+0x900/0x900 [ 653.958785] ? graph_lock+0x170/0x170 [ 653.962580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.968109] ? graph_lock+0x170/0x170 [ 653.971916] ? memset+0x31/0x40 [ 653.975192] ? find_held_lock+0x36/0x1c0 [ 653.979256] ? lock_downgrade+0x8e0/0x8e0 [ 653.983406] do_group_exit+0x16f/0x430 [ 653.987280] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 653.991851] ? __ia32_sys_exit+0x50/0x50 [ 653.995914] ? _raw_spin_unlock_irq+0x27/0x70 [ 654.000411] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 654.005423] get_signal+0x886/0x1960 [ 654.009127] ? ptrace_notify+0x130/0x130 [ 654.013190] ? __schedule+0x809/0x1e30 [ 654.017078] ? lock_repin_lock+0x410/0x410 [ 654.021327] ? __sched_text_start+0x8/0x8 [ 654.025479] ? kasan_check_read+0x11/0x20 [ 654.029622] do_signal+0x98/0x2040 [ 654.033157] ? trace_hardirqs_on+0xd/0x10 [ 654.037387] ? __local_bh_enable_ip+0x161/0x230 [ 654.042061] ? _raw_spin_unlock_bh+0x30/0x40 [ 654.046471] ? release_sock+0x1e2/0x2b0 [ 654.050437] ? setup_sigcontext+0x7d0/0x7d0 [ 654.054756] ? __release_sock+0x3a0/0x3a0 [ 654.058924] ? schedule+0xef/0x430 [ 654.062465] ? __schedule+0x1e30/0x1e30 [ 654.066443] ? exit_to_usermode_loop+0x87/0x310 [ 654.071100] exit_to_usermode_loop+0x28a/0x310 [ 654.075677] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 654.080509] ? do_syscall_64+0x92/0x800 [ 654.084483] do_syscall_64+0x6ac/0x800 [ 654.088365] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 654.093193] ? syscall_return_slowpath+0x5c0/0x5c0 [ 654.098111] ? syscall_return_slowpath+0x30f/0x5c0 [ 654.103045] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 654.108401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.113245] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 654.118426] RIP: 0033:0x455979 [ 654.121596] RSP: 002b:00007f1db73f1ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 654.129299] RAX: fffffffffffffe00 RBX: 000000000072bf78 RCX: 0000000000455979 [ 654.136559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bf78 [ 654.143822] RBP: 000000000072bf78 R08: 0000000000000000 R09: 000000000072bf50 [ 654.151077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 654.158334] R13: 0000000000a3e81f R14: 00007f1db73f29c0 R15: 0000000000000001 [ 654.165595] [ 654.167213] Allocated by task 6175: [ 654.170865] save_stack+0x43/0xd0 [ 654.174309] kasan_kmalloc+0xc4/0xe0 [ 654.178022] kmem_cache_alloc_trace+0x152/0x780 [ 654.182708] tls_init+0x1f9/0xb00 [ 654.186168] tcp_set_ulp+0x1bc/0x520 [ 654.189886] do_tcp_setsockopt.isra.39+0x44a/0x2600 [ 654.194905] tcp_setsockopt+0xc1/0xe0 [ 654.198710] sock_common_setsockopt+0x9a/0xe0 [ 654.203206] __sys_setsockopt+0x1bd/0x390 [ 654.207357] __x64_sys_setsockopt+0xbe/0x150 [ 654.211771] do_syscall_64+0x1b1/0x800 [ 654.215664] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 654.220833] [ 654.222445] Freed by task 6177: [ 654.225715] save_stack+0x43/0xd0 [ 654.229165] __kasan_slab_free+0x11a/0x170 [ 654.233390] kasan_slab_free+0xe/0x10 [ 654.237174] kfree+0xd9/0x260 [ 654.240267] tls_sw_free_resources+0x2a3/0x360 [ 654.244831] tls_sk_proto_close+0x67c/0x9c0 [ 654.249139] inet_release+0x104/0x1f0 [ 654.252924] inet6_release+0x50/0x70 [ 654.256624] sock_release+0x96/0x1b0 [ 654.260322] sock_close+0x16/0x20 [ 654.263775] __fput+0x34d/0x890 [ 654.267051] ____fput+0x15/0x20 [ 654.270330] task_work_run+0x1e4/0x290 [ 654.274214] do_exit+0x1aee/0x2730 [ 654.277749] do_group_exit+0x16f/0x430 [ 654.281629] get_signal+0x886/0x1960 [ 654.285344] do_signal+0x98/0x2040 [ 654.288873] exit_to_usermode_loop+0x28a/0x310 [ 654.293449] do_syscall_64+0x6ac/0x800 [ 654.297337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 654.302542] [ 654.304172] The buggy address belongs to the object at ffff8801b510a280 [ 654.304172] which belongs to the cache kmalloc-256 of size 256 [ 654.316837] The buggy address is located 88 bytes inside of [ 654.316837] 256-byte region [ffff8801b510a280, ffff8801b510a380) [ 654.328632] The buggy address belongs to the page: [ 654.333574] page:ffffea0006d44280 count:1 mapcount:0 mapping:ffff8801b510a000 index:0xffff8801b510ab40 [ 654.343035] flags: 0x2fffc0000000100(slab) [ 654.347281] raw: 02fffc0000000100 ffff8801b510a000 ffff8801b510ab40 0000000100000005 [ 654.355164] raw: ffffea0007367960 ffffea00075fc6a0 ffff8801da8007c0 0000000000000000 [ 654.363039] page dumped because: kasan: bad access detected [ 654.368752] [ 654.370369] Memory state around the buggy address: [ 654.375291] ffff8801b510a180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 654.382639] ffff8801b510a200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 654.389997] >ffff8801b510a280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 654.397345] ^ [ 654.403567] ffff8801b510a300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 654.410932] ffff8801b510a380: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 654.418288] ================================================================== [ 654.425658] Disabling lock debugging due to kernel taint [ 654.431266] Kernel panic - not syncing: panic_on_warn set ... [ 654.431266] [ 654.438816] CPU: 1 PID: 6177 Comm: syz-executor1 Tainted: G B 4.17.0-rc3+ #36 [ 654.447387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 654.456739] Call Trace: [ 654.459334] dump_stack+0x1b9/0x294 [ 654.462973] ? dump_stack_print_info.cold.2+0x52/0x52 [ 654.468196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 654.472958] ? tls_sk_proto_close+0x7f0/0x9c0 [ 654.477461] panic+0x22f/0x4de [ 654.480661] ? add_taint.cold.5+0x16/0x16 [ 654.484816] ? do_raw_spin_unlock+0x9e/0x2e0 [ 654.489227] ? do_raw_spin_unlock+0x9e/0x2e0 [ 654.493643] ? tls_sk_proto_close+0x8ab/0x9c0 [ 654.498138] kasan_end_report+0x47/0x4f [ 654.502105] kasan_report.cold.7+0x76/0x2fe [ 654.506419] __asan_report_load1_noabort+0x14/0x20 [ 654.511347] tls_sk_proto_close+0x8ab/0x9c0 [ 654.515674] ? unwind_get_return_address+0x61/0xa0 [ 654.520606] ? tcp_check_oom+0x520/0x520 [ 654.524675] ? tls_write_space+0x340/0x340 [ 654.528911] ? graph_lock+0x170/0x170 [ 654.532718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.538259] ? ipv6_sock_ac_close+0x34e/0x480 [ 654.542761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.548306] ? ipv6_sock_mc_close+0x161/0x1c0 [ 654.552803] ? ip_mc_drop_socket+0x20f/0x270 [ 654.557216] inet_release+0x104/0x1f0 [ 654.561002] inet6_release+0x50/0x70 [ 654.564706] sock_release+0x96/0x1b0 [ 654.568408] ? sock_alloc_file+0x4e0/0x4e0 [ 654.572623] sock_close+0x16/0x20 [ 654.576059] __fput+0x34d/0x890 [ 654.579319] ? fput+0x1a0/0x1a0 [ 654.582584] ? _raw_spin_unlock_irq+0x27/0x70 [ 654.587060] ____fput+0x15/0x20 [ 654.590320] task_work_run+0x1e4/0x290 [ 654.594187] ? task_work_cancel+0x240/0x240 [ 654.598490] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 654.604016] ? switch_task_namespaces+0xa2/0xd0 [ 654.608674] do_exit+0x1aee/0x2730 [ 654.612197] ? plist_add+0x770/0x770 [ 654.615912] ? mm_update_next_owner+0x980/0x980 [ 654.620560] ? print_usage_bug+0xc0/0xc0 [ 654.624601] ? graph_lock+0x170/0x170 [ 654.628393] ? do_raw_spin_unlock+0x9e/0x2e0 [ 654.632782] ? rcu_note_context_switch+0x710/0x710 [ 654.637691] ? lock_acquire+0x1dc/0x520 [ 654.641647] ? __might_sleep+0x95/0x190 [ 654.645602] ? __lock_acquire+0x7f5/0x5140 [ 654.649818] ? debug_check_no_locks_freed+0x310/0x310 [ 654.654992] ? do_raw_spin_unlock+0x9e/0x2e0 [ 654.659382] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 654.663947] ? kasan_check_write+0x14/0x20 [ 654.668169] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 654.673344] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 654.678864] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 654.683956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.689486] ? futex_wait+0x5c1/0x9f0 [ 654.693267] ? perf_trace_lock_acquire+0xe3/0x980 [ 654.698087] ? futex_wait_setup+0x400/0x400 [ 654.702389] ? perf_trace_lock+0x900/0x900 [ 654.706602] ? graph_lock+0x170/0x170 [ 654.710384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.715909] ? graph_lock+0x170/0x170 [ 654.719691] ? memset+0x31/0x40 [ 654.722951] ? find_held_lock+0x36/0x1c0 [ 654.726996] ? lock_downgrade+0x8e0/0x8e0 [ 654.731131] do_group_exit+0x16f/0x430 [ 654.734998] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 654.739566] ? __ia32_sys_exit+0x50/0x50 [ 654.743606] ? _raw_spin_unlock_irq+0x27/0x70 [ 654.748080] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 654.753086] get_signal+0x886/0x1960 [ 654.756785] ? ptrace_notify+0x130/0x130 [ 654.760832] ? __schedule+0x809/0x1e30 [ 654.764696] ? lock_repin_lock+0x410/0x410 [ 654.768913] ? __sched_text_start+0x8/0x8 [ 654.773048] ? kasan_check_read+0x11/0x20 [ 654.777183] do_signal+0x98/0x2040 [ 654.780703] ? trace_hardirqs_on+0xd/0x10 [ 654.784832] ? __local_bh_enable_ip+0x161/0x230 [ 654.789485] ? _raw_spin_unlock_bh+0x30/0x40 [ 654.793878] ? release_sock+0x1e2/0x2b0 [ 654.797834] ? setup_sigcontext+0x7d0/0x7d0 [ 654.802133] ? __release_sock+0x3a0/0x3a0 [ 654.806260] ? schedule+0xef/0x430 [ 654.809779] ? __schedule+0x1e30/0x1e30 [ 654.813737] ? exit_to_usermode_loop+0x87/0x310 [ 654.818385] exit_to_usermode_loop+0x28a/0x310 [ 654.822947] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 654.827772] ? do_syscall_64+0x92/0x800 [ 654.831726] do_syscall_64+0x6ac/0x800 [ 654.835591] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 654.840421] ? syscall_return_slowpath+0x5c0/0x5c0 [ 654.845330] ? syscall_return_slowpath+0x30f/0x5c0 [ 654.850245] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 654.855589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.860414] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 654.865590] RIP: 0033:0x455979 [ 654.868762] RSP: 002b:00007f1db73f1ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 654.876448] RAX: fffffffffffffe00 RBX: 000000000072bf78 RCX: 0000000000455979 [ 654.883695] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bf78 [ 654.890956] RBP: 000000000072bf78 R08: 0000000000000000 R09: 000000000072bf50 [ 654.898206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 654.905454] R13: 0000000000a3e81f R14: 00007f1db73f29c0 R15: 0000000000000001 [ 654.913252] Dumping ftrace buffer: [ 654.916772] (ftrace buffer empty) [ 654.920460] Kernel Offset: disabled [ 654.924065] Rebooting in 86400 seconds..