21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x0, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:17 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa50000000000"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:17 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0], &(0x7f0000001f40)=0x1) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:17 executing program 7: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa5000000000043000000"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:17 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:17 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x0, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:17 executing program 3: nanosleep(&(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000577ff0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) prctl$intptr(0x29, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)) 2018/03/29 11:29:17 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0], &(0x7f0000001f40)=0x1) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:17 executing program 5: nanosleep(&(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000577ff0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) prctl$intptr(0x0, 0x2) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)) 2018/03/29 11:29:17 executing program 7: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa50000000000430000000800"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:17 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x0, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) [ 194.623105] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/03/29 11:29:17 executing program 7: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa5000000000043000000"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:17 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:17 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x0, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:17 executing program 7: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) 2018/03/29 11:29:17 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:17 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:17 executing program 5: nanosleep(&(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000577ff0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) prctl$intptr(0x29, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)) [ 194.805194] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/03/29 11:29:18 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:18 executing program 7: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:18 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000805, 0x0) sendto$inet(r0, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000180)=0x8e, 0x4) 2018/03/29 11:29:18 executing program 5: nanosleep(&(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000577ff0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) prctl$intptr(0x29, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x0, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa5000000000043000000"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(0xffffffffffffffff, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 7: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x0, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x0, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x1e000000}, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) [ 195.040975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/03/29 11:29:18 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:18 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200)={0x0, 0x18}, &(0x7f0000000440)=0x8) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) pipe(&(0x7f0000000800)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(r4, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r6, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r5, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x7, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b", 0x16}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x29, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(r5, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x0, 0x100, @loopback={0x0, 0x1}, 0x10001}}}, 0x90) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(0xffffffffffffffff, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x0, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) [ 195.158208] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/03/29 11:29:18 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(0xffffffffffffffff, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x0, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 4: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:18 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:18 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:18 executing program 5: nanosleep(&(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000577ff0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) prctl$intptr(0x29, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)) 2018/03/29 11:29:18 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(0xffffffffffffffff, 0x8936, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x0, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 6: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="00010000000000333adaa500000000004300000008"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x0, &(0x7f0000000000)) 2018/03/29 11:29:18 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:18 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x0, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) 2018/03/29 11:29:18 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:18 executing program 6: perf_event_open(&(0x7f0000bba000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000040)) getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) socket$packet(0x11, 0x0, 0x300) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="4000000010000100000000000000000000000000cc90183e78fb7948b6a9fe935cac4920b3ad96f1d4b1e1e4637273148184e2f5c605646a9a19988c6cb0efdcea350ba8bcf9819f2a51267d661ea367323fd967f7bc093411cbba66f764f7ff2878f5d9ed657916b660379f892f7e83f6f9231d64d428f7c1912ebb55f0723d03ce8609e2a9f2e47dd9257a963d22693263e6353f936100"], 0x1}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') gettid() open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x0, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x0, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") chdir(&(0x7f0000000280)='.') unshare(0x0) preadv(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x0) 2018/03/29 11:29:18 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:18 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000200), &(0x7f0000000440)=0x8) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) pipe(&(0x7f0000000800)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(r4, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r6, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r5, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x0, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b", 0x16}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x29, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(r5, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x0, 0x100, @loopback={0x0, 0x1}, 0x10001}}}, 0x90) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) 2018/03/29 11:29:18 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f0000000100), 0x0, 0x0, &(0x7f0000000040)={0xa, 0x4e24, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) 2018/03/29 11:29:18 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x0, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:18 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:18 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) [ 195.736859] device lo entered promiscuous mode 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x0, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 6: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0xde, 0x0, 0x0, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:19 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:19 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 5: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x146, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0x110, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[@hopopts={0x4, 0x4, [], [@generic={0x641a7ff5, 0x1e, "e9021c63116f184b0c6f1fb194421540d33c57be504b7db960a3324e183c"}]}, @dstopts={0xbd, 0x11, [], [@calipso={0x7, 0x28, {0x7, 0x8, 0x2, 0x0, [0x8, 0x8, 0x9, 0x8]}}, @calipso={0x7, 0x40, {0x0, 0xe, 0x7, 0xf9, [0x100, 0xffff, 0x8, 0x1, 0x2, 0x2, 0x7f]}}, @ra={0x5, 0x2, 0x7}, @hao={0xc9, 0x10, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @enc_lim={0x4, 0x1}, @jumbo={0xc2, 0x4, 0x8}]}], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553f436e3f28700e9ba63352fecc5abb588"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$TIOCEXCL(r2, 0x540c) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x0, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 5: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0x0, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) 2018/03/29 11:29:19 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0x0, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) 2018/03/29 11:29:19 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 6: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x0, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x200, 0x0) r1 = accept4(r0, &(0x7f00000002c0)=@can, &(0x7f0000000340)=0x80, 0x800) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000380)={0x0, 0x0, 0x101, 0x8000, 0x0, 0x2, 0xef7, 0x71f9bbe8, {0x0, @in={{0x2, 0x4e23}}, 0x5, 0x4, 0xba, 0x5, 0x1}}, &(0x7f0000000440)=0xb0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000004c0)=[@in={0x2, 0x0, @rand_addr=0x10000}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x5b, @mcast2={0xff, 0x2, [], 0x1}, 0x800}], 0x3c) r2 = getpid() capset(&(0x7f00000005c0)={0x200f1526}, &(0x7f0000000600)={0x1, 0x1, 0x1000, 0xd3, 0x7}) sendto$packet(0xffffffffffffffff, &(0x7f0000000680)="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", 0xe6b, 0x4008084, &(0x7f0000001680)={0x11, 0x2, 0x0, 0x1, 0xdcc, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000016c0)=""/125) mq_notify(0xffffffffffffffff, &(0x7f00000027c0)={0x0, 0x3, 0x1, @thr={&(0x7f0000001740)="6fbff104c453adbbce323cf7f3771eb69eb01ba8f1cb7247697cc7a0b3bb342ec2105795f8ede51a41884271061b39710149d7074c00cd5ecbdcb07fd4e78f25a0391ae7edc155bdb61d49c82fcec34d6960dd7bf7eb84c35e4748", &(0x7f00000017c0)="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"}}) fcntl$lock(r1, 0x6, &(0x7f0000002800)={0x2, 0x4, 0xb53, 0x0, r2}) setsockopt$inet_group_source_req(0xffffffffffffffff, 0x0, 0x2f, &(0x7f0000002840)={0x0, {{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x104) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000002980)) gettid() setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000002a00)=0xe, 0x4) r3 = add_key$keyring(&(0x7f0000002a40)='keyring\x00', &(0x7f0000002a80)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffc) lstat(&(0x7f0000002ac0)='./file0\x00', &(0x7f0000002b00)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r3, r4, r5) ioctl$KDENABIO(r0, 0x4b36) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000002c40)={@empty, 0x54}) getsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000002c80)=0x5, &(0x7f0000002cc0)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5335, &(0x7f0000002d00)={0x7a4, 0x0, 0x0, 'queue1\x00'}) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x0, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 3: clone(0x200, &(0x7f000074a000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f0000000180)) mknod(&(0x7f0000f80000)='./file0\x00', 0x3, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000000440), &(0x7f0000000400)) gettid() r0 = syz_open_procfs(0x0, &(0x7f0000000000)='attr/exec\x00') setsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f00000000c0)=0xffffffffffffff4c, 0x2) write$eventfd(r0, &(0x7f0000000100), 0x8) fcntl$setsig(0xffffffffffffffff, 0xa, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prctl$setfpexc(0xc, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(0xffffffffffffffff, 0x40106410, &(0x7f0000000140)={0x1, &(0x7f0000000040)="d7"}) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0x0, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000000200)={0x0, r5}) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x0, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 6: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x0, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) [ 196.338568] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/03/29 11:29:19 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000300)=""/192, 0xc0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:19 executing program 6: r0 = memfd_create(&(0x7f00008eb000)="ff07000000697479637075736574404046657600a9", 0x2) fallocate(r0, 0x0, 0xab5d, 0x4d2) openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x80000, 0x0) fcntl$addseals(r0, 0x409, 0xd) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x0, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(r0, 0x406, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, 0xffffffffffffffff, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001, 0x5}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x40, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0x0) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5}) 2018/03/29 11:29:19 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0), &(0x7f0000004c80)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 6: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x200, 0x0) r1 = accept4(r0, &(0x7f00000002c0)=@can={0x0, 0x0}, &(0x7f0000000340)=0x80, 0x800) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000380)={0x0, 0x0, 0x101, 0x8000, 0x0, 0x2, 0xef7, 0x71f9bbe8, {0x0, @in={{0x2, 0x4e23}}, 0x5, 0x4, 0xba, 0x5, 0x1}}, &(0x7f0000000440)=0xb0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000004c0)=[@in={0x2, 0x0, @rand_addr=0x10000}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x5b, @mcast2={0xff, 0x2, [], 0x1}, 0x800}], 0x3c) r3 = getpid() capset(&(0x7f00000005c0)={0x200f1526}, &(0x7f0000000600)={0x1, 0x1, 0x1000, 0xd3, 0x7}) sendto$packet(0xffffffffffffffff, &(0x7f0000000680)="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", 0xe4f, 0x4008084, &(0x7f0000001680)={0x11, 0x2, 0x0, 0x1, 0xdcc, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000016c0)=""/125) mq_notify(0xffffffffffffffff, &(0x7f00000027c0)={0x0, 0x3, 0x1, @thr={&(0x7f0000001740)="6fbff104c453adbbce323cf7f3771eb69eb01ba8f1cb7247697cc7a0b3bb342ec2105795f8ede51a41884271061b39710149d7074c00cd5ecbdcb07fd4e78f25a0391ae7edc155bdb61d49c82fcec34d6960dd7bf7eb84c35e4748b8", &(0x7f00000017c0)="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"}}) fcntl$lock(r1, 0x6, &(0x7f0000002800)={0x2, 0x0, 0xb53, 0x0, r3}) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000002980)) gettid() setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000002a00)=0xe, 0x4) r4 = add_key$keyring(&(0x7f0000002a40)='keyring\x00', &(0x7f0000002a80)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffc) lstat(&(0x7f0000002ac0)='./file0\x00', &(0x7f0000002b00)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r4, r5, r6) ioctl$KDENABIO(r0, 0x4b36) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000002c40)={@empty, 0x54, r2}) getsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000002c80)=0x5, &(0x7f0000002cc0)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5335, &(0x7f0000002d00)={0x7a4, 0x0, 0x0, 'queue1\x00'}) 2018/03/29 11:29:19 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200), &(0x7f0000000440)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYBLOB="0d0000004b669462dcbccf65a4193681f6f696a000000000000000000000"], &(0x7f00000002c0)=0x1) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$nfc_llcp(r3, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x7, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b", 0x16}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x0, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0x0, {{0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}}}}, 0x90) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(0xffffffffffffffff, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x0, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 5: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00'}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:19 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000280)={0x0, r3, 0x0, 0x8f}) ioctl$TCSBRK(r2, 0x5409, 0xe7) write$cgroup_pid(r2, &(0x7f0000000100)=ANY=[], 0x1023c) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000000200)={0x0, r4}) 2018/03/29 11:29:19 executing program 6: r0 = perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8d, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000000)='IPVS\x00') r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/loop-control\x00', 0x900, 0x0) r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) r3 = socket$inet(0x2, 0x3, 0x8) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) r4 = dup3(r3, r1, 0x80000) ioctl$KVM_CREATE_DEVICE(r4, 0xc00caee0, &(0x7f0000000080)={0x2, r4, 0xfffffffffffffffe}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) fchdir(0xffffffffffffffff) r6 = creat(&(0x7f0000000080)='./file0\x00', 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000700)={{{@in6=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@dev}}, &(0x7f00000002c0)=0xe8) sendmsg$can_raw(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000300)={0x1d, r7}, 0x10, &(0x7f0000000380)={&(0x7f0000000800)=@canfd={{0x1, 0x8, 0x9, 0xffffffffffff9fc4}, 0x3e, 0x1, 0x0, 0x0, "435707431cf690b7ba3b8bf4ffaef8374ce05d3ab11e5f067bb153c59f3bb161cbab167563f3a1a787944a1096098f81bac924a13b25ab1759f70819634c8646"}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.net/syz0\x00', 0x200002, 0x0) write$cgroup_pid(r6, &(0x7f0000000100)=ANY=[], 0x1023c) truncate(&(0x7f0000000140)='./file0\x00', 0x3) write(r6, &(0x7f0000000180)="15", 0x1) r8 = open(&(0x7f0000b91ff9)='./file0\x00', 0x68042, 0x0) fallocate(r8, 0x0, 0xffff, 0x9) getsockopt$inet_IP_XFRM_POLICY(r5, 0x0, 0x11, &(0x7f0000000600)={{{@in6=@mcast1, @in=@broadcast}}, {{@in6=@ipv4={[], [], @remote}}, 0x0, @in6=@loopback}}, &(0x7f00000000c0)=0xe8) close(r0) open(&(0x7f0000000100)='./file0\x00', 0x200, 0x80) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f00000004c0)={0x0, @in6={{0xa, 0x0, 0xfffffffffffffffd, @loopback={0x0, 0x1}}}, 0x400, 0xfffffffeffffffff}, &(0x7f0000000040)=0x90) r9 = dup2(r1, r1) bind$ipx(r9, &(0x7f0000000280)={0x4, 0x0, 0x80, "34c1b884fbec", 0x81}, 0x10) connect$ax25(0xffffffffffffffff, &(0x7f0000000240)={0x3, {"2000000002ca3f"}, 0x2000000000000000}, 0xfffffffffffffee0) msgrcv(0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="00000000000000000000000000e000000000000000000000000000000000000000000004416bd916ad7fcc9f0ee3a92a000000000000000000000000000000000000000000000093008000000000000000000000000000000000000000b3fd5c886a5c9b3aa67cc7e5668c88f0b8c1a9edfce69a1d027723b706209c7e11fd2f9340c21cc2ce81f75621c95024a0a64e137cfc076619423656ca575205df2185576349098c1c8d87599d01c82285fc16574df9afb3ac7be71ce9a20c3067a2eb108b53390ae1d25794abb0a74cb6352c037c991c0fa5"], 0x1, 0x0, 0x0) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0), &(0x7f0000004c80)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x0, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:19 executing program 3: tgkill(0x0, 0x0, 0x0) fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") openat$ppp(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ppp\x00', 0x10900, 0x0) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000000)=@known='user.syz\x00') ioctl$DRM_IOCTL_GET_CAP(r1, 0xc010640c, &(0x7f0000000340)={0x9}) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, 0xffffffffffffffff, &(0x7f00000002c0)) 2018/03/29 11:29:19 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x0, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:19 executing program 3: r0 = socket$inet6(0xa, 0x80003, 0x0) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x20, 0x10, 0x1}, 0x20}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000a00)=ANY=[], 0x0) gettid() r1 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x0, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x0, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r1, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:19 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0), &(0x7f0000004c80)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:19 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:19 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x0, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 6: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:20 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r4, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x0, 0x0, 0x0, 0x0, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b"}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x0, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x90) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r5, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x5b, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14"}, &(0x7f0000004c80)=0x63) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 5: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x2, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0x0, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 6: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:20 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480), 0x0, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x9, 0x0, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0xa7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:20 executing program 5: r0 = perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8d, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000000)='IPVS\x00') r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/loop-control\x00', 0x900, 0x0) r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r2) r3 = socket$inet(0x2, 0x3, 0x8) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) r4 = dup3(r3, r1, 0x80000) ioctl$KVM_CREATE_DEVICE(r4, 0xc00caee0, &(0x7f0000000080)={0x2, r4, 0xfffffffffffffffe}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r6 = creat(&(0x7f0000000080)='./file0\x00', 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000700)={{{@in6=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@dev}}, &(0x7f00000002c0)=0xe8) sendmsg$can_raw(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000300)={0x1d, r7}, 0x10, &(0x7f0000000380)={&(0x7f0000000800)=@canfd={{0x1, 0x8, 0x9, 0xffffffffffff9fc4}, 0x3e, 0x1, 0x0, 0x0, "435707431cf690b7ba3b8bf4ffaef8374ce05d3ab11e5f067bb153c59f3bb161cbab167563f3a1a787944a1096098f81bac924a13b25ab1759f70819634c8646"}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.net/syz0\x00', 0x200002, 0x0) write$cgroup_pid(r6, &(0x7f0000000100)=ANY=[], 0x1023c) truncate(&(0x7f0000000140)='./file0\x00', 0x3) write(r6, &(0x7f0000000180)="15", 0x1) r8 = open(&(0x7f0000b91ff9)='./file0\x00', 0x68042, 0x0) fallocate(r8, 0x0, 0xffff, 0x9) getsockopt$inet_IP_XFRM_POLICY(r5, 0x0, 0x11, &(0x7f0000000600)={{{@in6=@mcast1, @in=@broadcast}}, {{@in6=@ipv4={[], [], @remote}}, 0x0, @in6=@loopback}}, &(0x7f00000000c0)=0xe8) close(r0) open(&(0x7f0000000100)='./file0\x00', 0x200, 0x80) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f00000004c0)={0x0, @in6={{0xa, 0x0, 0xfffffffffffffffd, @loopback={0x0, 0x1}}}, 0x400, 0xfffffffeffffffff}, &(0x7f0000000040)=0x90) r9 = dup2(r1, r1) bind$ipx(r9, &(0x7f0000000280)={0x4, 0x0, 0x80, "34c1b884fbec", 0x81}, 0x10) connect$ax25(0xffffffffffffffff, &(0x7f0000000240)={0x3, {"2000000002ca3f"}, 0x2000000000000000}, 0xfffffffffffffee0) msgrcv(0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="00000000000000000000000000e000000000000000000000000000000000000000000004416bd916ad7fcc9f0ee3a92a000000000000000000000000000000000000000000000093008000000000000000000000000000000000000000b3fd5c886a5c9b3aa67cc7e5668c88f0b8c1a9edfce69a1d027723b706209c7e11fd2f9340c21cc2ce81f75621c95024a0a64e137cfc076619423656ca575205df2185576349098c1c8d87599d01c82285fc16574df9afb3ac7be71ce9a20c3067a2eb108b53390ae1d25794abb0a74cb6352c037c991c0fa5"], 0x1, 0x0, 0x0) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x5b, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14"}, &(0x7f0000004c80)=0x63) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0x0, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c, 0x0, 0x0, 0x38, 0x9, 0x0, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x5b, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14"}, &(0x7f0000004c80)=0x63) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x89, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a3"}, &(0x7f0000004c80)=0x91) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0x0, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 3: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 5: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200), &(0x7f0000000440)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0, @ANYBLOB="0d0000004b669462dcbccf65a4193681f6f696a000000000000000000000"], &(0x7f00000002c0)=0x2) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280)=r3, 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r4 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r4, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r6, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r5, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x7, 0x1, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b", 0x16}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x29, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r6, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x0, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) [ 197.337500] device lo entered promiscuous mode 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 5: setsockopt$inet_sctp6_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000500), 0x4) syz_emit_ethernet(0x1, &(0x7f0000000040)=ANY=[@ANYBLOB="0053ff000000aaaaaa080503000000000000"], 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f00000005c0)={{{@in6=@remote, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@remote}}, &(0x7f00000006c0)=0xe8) ioctl$sock_inet6_SIOCSIFADDR(0xffffffffffffffff, 0x8916, &(0x7f0000000700)={@mcast1={0xff, 0x1, [], 0x1}, 0x0, r1}) sendmsg$nl_generic(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000001ac0)={0x20, 0x25, 0x129, 0x800000, 0x0, {0x3}, [@nested={0xc, 0x7, [@typed={0x8, 0xa, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}]}, @generic]}, 0x20}, 0x1}, 0x0) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x89, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a3"}, &(0x7f0000004c80)=0x91) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x200, 0x0) r1 = accept4(r0, &(0x7f00000002c0)=@can, &(0x7f0000000340)=0x80, 0x800) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000380)={0x0, 0x0, 0x101, 0x8000, 0x0, 0x2, 0xef7, 0x71f9bbe8, {0x0, @in={{0x2, 0x4e23}}, 0x5, 0x4, 0xba, 0x5, 0x1}}, &(0x7f0000000440)=0xb0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000004c0)=[@in={0x2, 0x0, @rand_addr=0x10000}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x5b, @mcast2={0xff, 0x2, [], 0x1}, 0x800}], 0x3c) r2 = getpid() capset(&(0x7f00000005c0)={0x200f1526}, &(0x7f0000000600)={0x1, 0x1, 0x1000, 0xd3, 0x7}) sendto$packet(0xffffffffffffffff, &(0x7f0000000680)="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", 0xe6b, 0x4008084, &(0x7f0000001680)={0x11, 0x2, 0x0, 0x1, 0xdcc, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000016c0)=""/125) mq_notify(0xffffffffffffffff, &(0x7f00000027c0)={0x0, 0x3, 0x1, @thr={&(0x7f0000001740)="6fbff104c453adbbce323cf7f3771eb69eb01ba8f1cb7247697cc7a0b3bb342ec2105795f8ede51a41884271061b39710149d7074c00cd5ecbdcb07fd4e78f25a0391ae7edc155bdb61d49c82fcec34d6960dd7bf7eb84c35e4748", &(0x7f00000017c0)="e5c122e82606385ab0ec1cc94aff9b303347cc5837939a44d437601acf8d2959ed1024716a9f1b1a9e912b763b9efe75f03216c94050179e39f1b4e8cb1e06a1b9a9c4102899f7a1a9f4e95d16c93b1a7802d14f3503d22b776b3734ddffe5b89071796eb486e815c8584ea07593ae4f905d462c36a1d8eab99776fa05476fd40d77e64198f5a56a4f9e175838025073e45413435224ad1433a0eef78ef9c2be1259cbfbeab8ad5f3998235bd43942e6f582879e1586d70b2fef38007c7747798f692f142d346570131e103e617ee4379ab48fba82b5a3186615121c136c005e6d70843e48e05e55b1901c117ca3a57d7ab79939127d93a5582d605ff7e58ca3689e3c0256198a73f803de50a858d69e51dc2fd24401a92b3b1ea778a292a05730987614fe7700d7da45c5d3aa989dae13651642721e5bdc01d64c2540abde3a49b3574ebf8b9420e6e8951ff5356b7c0838bdd2a2205e017541aa57502c228f67186b731a87afa74857b4e0e8cb9bba2d53772ecfa7a5c3e8b67d421ea589508098a979529d8945a13cfafc9222bb535512d9f01b4bbc32f828eb4b87ede555888ad1b54beeef9e03c6235d229b3c31761c753205bf08ba51b8f5c20d0b6f9a400da5dfc341cae12040b67f064ead4280ee5f5f767344cfb2e52c62cfe6bde9b62802cedfca05d5b516926d8cdbcb5c3abd5a5902ed28d0fa9378857de48c03ec39a99dfe662a4e738b6a57536f03424218bae4f3218bd2dd74ca7e04648c04616134c5ca32e6c36dc460197ebecc125979707d61fe455ea3b7f544a89228c24e4c80fe30347319921e2014540e6e2ca4a990d245aa10587e2e314edc027c503e2a20e3d8db7a0eee910bf556eb5d55d73370a206b4cc84dea872846d112589cb51c5e1cdeac14455132cb9e01c1b79829661e9c96a3bc2365625c61a99c374fd1922018a12ed6526e2850114c2085e585ad907b91d1a67093bfa005d0854cda2ef8a2ab9edd5d1129f596a55bc5afff8863adc819c2b8378973abbc67522baba6730f7551bde946eca3d64641f59a23dc96c55f28cde3976a40e21664e9adeb506b84411af4c61691eee4dbec0ca818674d8be24d571593dac8ce6ce9ae892ac712de81859929ff1edb32bfce89c26b9f01bb67a6d4a4dd87fe073867f1c3a82deb8b85ebf54f6efc0c871e74d0fa37ae886937bc3d9cc47f27d18fae1b1d7cbe0ace6ecd01e095b5c7edaa6b2a1ce2c6dfc65e58106b62c9509ad88f7438dee4d486f19078ba6c9a37c1c1d0abf38efe193370029c6c21ba2396c64be57642cd9e520755e8a21abcb751afc8616cbadbaecc521e91462a7d139d52e37526f77c3cdf38e68c462bfbe1be2ccf9c281211a1e5ad15fb1bd8790e17710df0cda97a1008d7a0ae1cdc07394ccde81c977cd93584b43114ed6bc5916c4524a75e2"}}) fcntl$lock(r1, 0x6, &(0x7f0000002800)={0x2, 0x4, 0xb53, 0x0, r2}) setsockopt$inet_group_source_req(0xffffffffffffffff, 0x0, 0x2f, &(0x7f0000002840)={0x0, {{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x104) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000002980)) gettid() setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000002a00)=0xe, 0x4) add_key$keyring(&(0x7f0000002a40)='keyring\x00', &(0x7f0000002a80)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffc) lstat(&(0x7f0000002ac0)='./file0\x00', &(0x7f0000002b00)) lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)) ioctl$KDENABIO(r0, 0x4b36) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000002c40)={@empty, 0x54}) getsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000002c80)=0x5, &(0x7f0000002cc0)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5335, &(0x7f0000002d00)={0x7a4, 0x0, 0x0, 'queue1\x00'}) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r0, 0x8001}, 0xc) fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(0xffffffffffffffff, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 3: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000200)=""/249, 0xf9}, {&(0x7f00000003c0)=""/130, 0x82}], 0x2, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) dup2(0xffffffffffffffff, 0xffffffffffffffff) 2018/03/29 11:29:20 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x0, 0x9, 0x1e000000, 0x75}, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x0, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 6: r0 = getpgrp(0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000d81ff8)=0x101) mkdir(&(0x7f000082f000)='./control\x00', 0x0) pipe2(&(0x7f0000989000)={0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x5, 0x70, 0x0, 0x9741, 0x5, 0x9, 0x0, 0x0, 0x8082, 0x0, 0xdc1c, 0x0, 0x5, 0x10001, 0x1f, 0x6, 0x0, 0x0, 0x0, 0x1, 0x7, 0x0, 0x53, 0x0, 0x8, 0xff, 0x0, 0x0, 0x5, 0x0, 0x1ff, 0x0, 0x0, 0x7, 0x1, 0x0, 0x26, 0x1, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000000), 0x3}, 0x10200, 0x80, 0x0, 0x5, 0x2, 0x1000, 0x4}, r0, 0xf, r1, 0x3) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = creat(&(0x7f000009aff8)='./file0\x00', 0x0) write$sndseq(r3, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) mount(&(0x7f0000434ff8)='./file0\x00', &(0x7f0000abf000)='./file0\x00', &(0x7f0000f4c000)='jfs\x00', 0x1023402, 0x0) ioctl$KVM_SET_ONE_REG(r3, 0x4010aeac, &(0x7f00000000c0)={0xad3, 0xffffffff}) unlink(&(0x7f00003b3000)='./file0\x00') link(&(0x7f0000f3bff8)='./file0\x00', &(0x7f00006b3ff0)='./control/file0\x00') dup2(r1, r2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) r0 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r1, 0x8001}, 0xc) fsetxattr(r0, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r0, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 5: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00'}) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x0, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x0, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 3: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xfffffffffffff023}, 0x0, 0x0, 0x4000, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x5452, &(0x7f0000000040)='-\x00') close(r0) r1 = perf_event_open(&(0x7f0000348f88)={0x0, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001380), 0x4) ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r2) r3 = getpid() perf_event_open(&(0x7f00000013c0)={0x2, 0x70, 0x800, 0x81, 0x8000, 0x7, 0x0, 0x7, 0x14000, 0x8, 0x23c9, 0x7ff, 0x4, 0x200, 0xff, 0x401, 0x9, 0x9, 0x101, 0x3, 0x3, 0x0, 0x630d, 0x1000, 0x1, 0x7fff, 0x1b, 0x3, 0x7fffffff, 0x80, 0x1, 0x2, 0x0, 0x5cfba373, 0x0, 0xa7, 0x7ff, 0xe358, 0x0, 0x3, 0x1, @perf_config_ext={0x4, 0x9432}, 0x10000, 0xca4, 0x0, 0x7, 0x1, 0x8, 0x5}, r3, 0xd, r0, 0x0) r4 = getpid() perf_event_open(&(0x7f00000000c0)={0x0, 0x70, 0x2, 0x0, 0x1, 0x100000000000, 0x0, 0x1f, 0x0, 0x1, 0x1, 0x81, 0xfffffffffffff801, 0xfffffffffffffff9, 0x5, 0x4, 0xfffffffffffffff8, 0x9, 0xffffffffffffffd7, 0xbcf, 0x0, 0x100, 0x6, 0x8, 0xfff, 0xfffffffffffffed2, 0x0, 0x105, 0x31e, 0x1, 0x4, 0x55f, 0xfffffffffffffffd, 0x10000, 0x0, 0x0, 0x6, 0x0, 0x0, 0x401, 0x3, @perf_bp={&(0x7f0000000080), 0x8}, 0x2000, 0x80000000, 0x20, 0x7, 0xee0, 0x1, 0x5}, r4, 0x0, 0xffffffffffffffff, 0x1) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r0) perf_event_open(&(0x7f0000000140)={0x7, 0x70, 0x7fff, 0x4, 0x380000000000000, 0x8, 0x0, 0x8, 0x0, 0x6, 0x80, 0x9369, 0x6be, 0x7fff, 0x0, 0x2, 0x131, 0x40, 0x6, 0x1000, 0x3, 0x2, 0x7fffffff, 0x8, 0xffff, 0x2, 0x8001, 0x2, 0x8, 0x5, 0x1bc, 0x5f, 0x8, 0xc340, 0x1, 0x9, 0x9, 0x4, 0x0, 0x3f, 0x2, @perf_config_ext={0x3ff, 0x2}, 0x20200, 0x1, 0x9, 0x5, 0x9, 0x2, 0x3f}, r4, 0x2, r0, 0x9) close(r0) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) recvmsg(r5, &(0x7f0000001340)={&(0x7f0000000200)=@ax25, 0x80, &(0x7f0000000300)=[{&(0x7f0000000280)=""/72, 0x48}], 0x1, &(0x7f0000000340)=""/4096, 0x1000, 0x5}, 0x2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) r0 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r1, 0x8001}, 0xc) fsetxattr(r0, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r0, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(r0, 0x406, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, r1, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x40, 0x0, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0x0) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r4}) 2018/03/29 11:29:20 executing program 3: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:20 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0x89, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a3"}, &(0x7f0000004c80)=0x91) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:20 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) 2018/03/29 11:29:20 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:20 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:20 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) r0 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r1, 0x8001}, 0xc) fsetxattr(r0, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r0, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:20 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x0, 0x9, 0x0, 0x75}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) 2018/03/29 11:29:20 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 6: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:21 executing program 2: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 4: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 5: socket$inet6(0xa, 0x80003, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) ioctl$sock_SIOCBRADDBR(r0, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x2c, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_BROADCAST={0xc, 0x2, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}]}, 0x2c}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000a00)=ANY=[], 0x0) gettid() r2 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r2, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:21 executing program 3: bpf$OBJ_GET_MAP(0x7, &(0x7f0000000240)={&(0x7f0000000080)='./file0\x00', 0x0, 0x10}, 0x10) socketpair(0x1e, 0x800000000000001, 0x0, &(0x7f0000000140)={0x0, 0x0}) sendmsg(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000), 0x2c5}, 0x50) close(r1) close(r0) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f00000000c0)={r1, &(0x7f0000000000), &(0x7f0000000280)=""/135}, 0x18) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xa0, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f"}, &(0x7f0000004c80)=0xa8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 2: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 6: socket(0x0, 0x100000802, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:21 executing program 2: mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xa0, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f"}, &(0x7f0000004c80)=0xa8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 5: socket$inet6(0xa, 0x0, 0x0) perf_event_open(&(0x7f0000bba000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000040)) getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) socket$packet(0x11, 0x3, 0x300) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000480)=ANY=[]}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') gettid() open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x0, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x0, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)) chdir(&(0x7f0000000280)='.') unshare(0x0) preadv(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x0) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 2: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(0xffffffffffffffff, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5}) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 6: socket$inet6(0xa, 0x80003, 0x0) perf_event_open(&(0x7f0000bba000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000040)) getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) socket$packet(0x11, 0x3, 0x300) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="4000000010000100000000000000000000000000cc90183e78fb7948b6a9fe935cac4920b3ad96f1d4b1e1e4637273148184e2f5c605646a9a19988c6cb0efdcea350ba8bcf9819f2a51267d661ea367323fd967f7bc093411cbba66f764f7ff2878f5d9ed657916b660379f892f7e83f6f9231d64d428f7c1912ebb55f0723d03ce8609e2a9f2e47dd9257a963d22"], 0x1}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') gettid() open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x0, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x0, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") chdir(&(0x7f0000000280)='.') unshare(0x0) preadv(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x0) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(0xffffffffffffffff, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xa0, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f"}, &(0x7f0000004c80)=0xa8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 2: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 5: socket(0x11, 0x100000802, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfd4, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 2: clone(0x0, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xab, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd3"}, &(0x7f0000004c80)=0xb3) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 5: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:21 executing program 6: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000051cff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000943ffc)=0xa35) read(0xffffffffffffffff, &(0x7f00003fefff)=""/1, 0x1) r1 = gettid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000029000)={0xffffffffffffffff, 0xffffffffffffffff}) readv(r0, &(0x7f0000dcdff0)=[{&(0x7f0000cd8000)=""/1, 0x1}], 0x1) ioctl$int_in(r2, 0x5452, &(0x7f0000b28000)=0x3c) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000fb9000)) poll(&(0x7f0000b2c000)=[{r3}], 0x1, 0xfffffffffffffff8) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000}) r4 = dup3(r2, r3, 0x80000) fstat(r4, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r4, 0x29, 0x22, &(0x7f0000000140)={{{@in=@dev={0xac, 0x14, 0x14, 0x15}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e21, 0x80000001, 0x0, 0x3ff, 0xa, 0x20, 0xa0, 0x0, 0x0, r5}, {0x20, 0x53c, 0x0, 0xffffffffffff7fff, 0x2, 0xfffffffffffffffb, 0x0, 0x80000000}, {0x4, 0x10000, 0x0, 0x1}, 0x80000000, 0x6e6bb8, 0x1, 0x1, 0x2, 0x1}, {{@in=@multicast2=0xe0000002, 0x4d5, 0x33}, 0xa, @in=@broadcast=0xffffffff, 0x3505, 0x0, 0x3, 0x0, 0x0, 0x6, 0x2}}, 0xe8) r6 = dup2(r2, r3) fcntl$setown(r6, 0x8, r1) ptrace$cont(0xffffffffffffffff, 0x0, 0x0, 0x0) tkill(r1, 0x16) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xab, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd3"}, &(0x7f0000004c80)=0xb3) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0x0, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:21 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:21 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:21 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:21 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xab, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd3"}, &(0x7f0000004c80)=0xb3) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:21 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200), &(0x7f0000000440)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0, @ANYBLOB="0d0000004b669462dcbccf65a4193681f6f696a000000000000000000000"], &(0x7f00000002c0)=0x2) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280)=r3, 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r4 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r4, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r6, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r5, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x7, 0x1, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b", 0x16}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x29, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}, 0x10001}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x2, @empty, 0x7}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r6, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:21 executing program 5: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x86, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0x50, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553f436e3f28700e9ba63352fecc5abb588"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(0xffffffffffffffff, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 6: socket$inet6(0xa, 0x80003, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) ioctl$sock_SIOCBRADDBR(r0, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x2c, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_BROADCAST={0xc, 0x2, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}]}, 0x2c}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000a00)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000004000000a8040000400100000000000040010000c0e3ffffbf030000c003000004000000000000000000000000000000850bfe3b05b0d9c49644b8cdd9739475a088ecb4769319170d735104472aab038110e9a3b223898915b3acd0b3727d543d3349394ff2602a6d58fad8079810a01325ebfb8f7879b1a01e87"], 0x1) gettid() r2 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r2, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb1, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31"}, &(0x7f0000004c80)=0xb9) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(0xffffffffffffffff, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00'}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000200)={0x0, 0x18}, &(0x7f0000000440)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0, @ANYBLOB], &(0x7f00000002c0)=0x2) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280)=r3, 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r4 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r4, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) pipe(&(0x7f0000000800)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(r5, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r7, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r6, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x1, 0x0, 0x3, 0x7, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b"}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x29, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(r6, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x0, 0x100, @loopback={0x0, 0x1}, 0x10001}}}, 0x90) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(0xffffffffffffffff, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(r0, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb1, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31"}, &(0x7f0000004c80)=0xb9) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(0xffffffffffffffff, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 6: r0 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write(r0, &(0x7f0000000180)="15", 0x1) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(0xffffffffffffffff, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) [ 199.108745] device lo left promiscuous mode 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(0xffffffffffffffff, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 5: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:22 executing program 3: sendto$inet(0xffffffffffffffff, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(0xffffffffffffffff, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb1, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31"}, &(0x7f0000004c80)=0xb9) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(0xffffffffffffffff, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 6: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:22 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) fallocate(r1, 0x1, 0x0, 0x369e5d84) add_key$user(&(0x7f0000000100)='user\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a}, &(0x7f0000000180), 0x0, 0xfffffffffffffffb) chmod(&(0x7f0000000200)='./file0\x00', 0x0) ioctl$EVIOCGID(0xffffffffffffffff, 0x80084502, &(0x7f0000000040)=""/18) write$cgroup_pid(r1, &(0x7f0000000100)=ANY=[], 0x1023c) lremovexattr(&(0x7f00000000c0)='./file0\x00', &(0x7f00000001c0)=@random={'osx.', './cgroup\x00'}) 2018/03/29 11:29:22 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 3: sendto$inet(0xffffffffffffffff, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(0xffffffffffffffff, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 3: sendto$inet(0xffffffffffffffff, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(0xffffffffffffffff, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000a00)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000004000000a8040000400100000000000040010000c0e3ffffbf030000c003000004000000000000000000000000000000850bfe3b05b0d9c49644b8cdd9739475a088ecb4769319170d735104472aab038110e9a3b223898915b3acd0b3727d543d3349394ff2602a6d58fad8079810a01325ebfb8f7879b1a01e87624a0e7ff3"], 0x1) gettid() syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(0xffffffffffffffff, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb4, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af"}, &(0x7f0000004c80)=0xbc) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x0, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 6: r0 = socket$inet6(0xa, 0x80003, 0x0) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x2c, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_BROADCAST={0xc, 0x2, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}]}, 0x2c}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000a00)=ANY=[], 0x0) gettid() r1 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x0, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r1, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(0xffffffffffffffff, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 7: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) pread64(0xffffffffffffffff, &(0x7f0000000200)=""/53, 0x35, 0x0) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000), 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb4, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af"}, &(0x7f0000004c80)=0xbc) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 5: capget(&(0x7f0000000300)={0x20071026}, &(0x7f0000000380)) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000), 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0), 0x0, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb4, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af"}, &(0x7f0000004c80)=0xbc) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:22 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000300)=""/192, 0xc0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:22 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:22 executing program 6: getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000380)={0x0, 0x0, 0x101, 0x8000, 0x0, 0x2, 0xef7, 0x71f9bbe8, {0x0, @in={{0x2, 0x4e23}}, 0x5, 0x4, 0xba, 0x5, 0x1}}, &(0x7f0000000440)=0xb0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(0xffffffffffffffff, 0x84, 0x6b, &(0x7f00000004c0)=[@in={0x2, 0x0, @rand_addr}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x5b, @mcast2={0xff, 0x2, [], 0x1}, 0x800}], 0x3c) r0 = getpid() capset(&(0x7f00000005c0)={0x200f1526, r0}, &(0x7f0000000600)={0x1, 0x1, 0x1000, 0xd3, 0x7}) sendto$packet(0xffffffffffffffff, &(0x7f0000000680)="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", 0xe6b, 0x4008084, &(0x7f0000001680)={0x11, 0x2, 0x0, 0x1, 0xdcc, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000016c0)=""/125) mq_notify(0xffffffffffffffff, &(0x7f00000027c0)={0x0, 0x3, 0x1, @thr={&(0x7f0000001740)="6fbff104c453adbbce323cf7f3771eb69eb01ba8f1cb7247697cc7a0b3bb342ec2105795f8ede51a41884271061b39710149d7074c00cd5ecbdcb07fd4e78f25a0391ae7edc155bdb61d49c82fcec34d6960dd7bf7eb84c35e4748b8bd", &(0x7f00000017c0)="e5c122e82606385ab0ec1cc94aff9b303347cc5837939a44d437601acf8d2959ed1024716a9f1b1a9e912b763b9efe75f03216c94050179e39f1b4e8cb1e06a1b9a9c4102899f7a1a9f4e95d16c93b1a7802d14f3503d22b776b3734ddffe5b89071796eb486e815c8584ea07593ae4f905d462c36a1d8eab99776fa05476fd40d77e64198f5a56a4f9e175838025073e45413435224ad1433a0eef78ef9c2be1259cbfbeab8ad5f3998235bd43942e6f582879e1586d70b2fef38007c7747798f692f142d346570131e103e617ee4379ab48fba82b5a3186615121c136c005e6d70843e48e05e55b1901c117ca3a57d7ab79939127d93a5582d605ff7e58ca3689e3c0256198a73f803de50a858d69e51dc2fd24401a92b3b1ea778a292a05730987614fe7700d7da45c5d3aa989dae13651642721e5bdc01d64c2540abde3a49b3574ebf8b9420e6e8951ff5356b7c0838bdd2a2205e017541aa57502c228f67186b731a87afa74857b4e0e8cb9bba2d53772ecfa7a5c3e8b67d421ea589508098a979529d8945a13cfafc9222bb535512d9f01b4bbc32f828eb4b87ede555888ad1b54beeef9e03c6235d229b3c31761c753205bf08ba51b8f5c20d0b6f9a400da5dfc341cae12040b67f064ead4280ee5f5f767344cfb2e52c62cfe6bde9b62802cedfca05d5b516926d8cdbcb5c3abd5a5902ed28d0fa9378857de48c03ec39a99dfe662a4e738b6a57536f03424218bae4f3218bd2dd74ca7e04648c04616134c5ca32e6c36dc460197ebecc125979707d61fe455ea3b7f544a89228c24e4c80fe30347319921e2014540e6e2ca4a990d245aa10587e2e314edc027c503e2a20e3d8db7a0eee910bf556eb5d55d73370a206b4cc84dea872846d112589cb51c5e1cdeac14455132cb9e01c1b79829661e9c96a3bc2365625c61a99c374fd1922018a12ed6526e2850114c2085e585ad907b91d1a67093bfa005d0854cda2ef8a2ab9edd5d1129f596a55bc5afff8863adc819c2b8378973abbc67522baba6730f7551bde946eca3d64641f59a23dc96c55f28cde3976a40e21664e9adeb506b84411af4c61691eee4dbec0ca818674d8be24d571593dac8ce6ce9ae892ac712de81859929ff1edb32bfce89c26b9f01bb67a6d4a4dd87fe073867f1c3a82deb8b85ebf54f6efc0c871e74d0fa37ae886937bc3d9cc47f27d18fae1b1d7cbe0ace6ecd01e095b5c7edaa6b2a1ce2c6dfc65e58106b62c9509ad88f7438dee4d486f19078ba6c9a37c1c1d0abf38efe193370029c6c21ba2396c64be57642cd9e520755e8a21abcb751afc8616cbadbaecc521e91462a7d139d52e37526f77c3cdf38e68c462bfbe1be2ccf9c281211a1e5ad15fb1bd8790e17710df0cda97a1008d7a0ae1cdc07394ccde81c977cd93584b43114ed6bc5916c4524a75e22d0f7fb743e22be2ff990131bda37f10fa2b39be041a6a9e1a5ee0fc582d5b0b8f2b539c00eeb79299f32b93347bdc69810cd0a45c5d2945841d508212bad2524fbcbefa80804300636bec6d4e51db57f7dc37baa586904e8a674546567351fcdd238584f9a5114c58b14ad087fe24f4f086c5a00877a3fb7e26da823e33b702306132c697cc45737a8daf886c55099c075fcaaa6e5e652f5ebfe824af45cd0e8570e0c36c744359e13bb68e7ad3ebfb0ebdac2bca86b60850dd19521c78d654f5cd9ec4a09cf703f3b2c790c08b8c2aa3e865d4a85beda20a314389f3f1828dd2e6fcec4492a306d0b449c1942b588e71f88bc9f7b5cd1723e539af66a1f6c791ef94e25e307775b8415b2b875aa9cd3c061738d45e49351dfa9a5f39127022008556f2abd9ec7c3d73c936b9b22c5492c908d5382c72302ad4aff208573697d0b20426c03af1970fc181b5a26c5d101cbb11b1875fb9baa4728d53bbe92f915eb0214969f2e8f96d79b4030720f5d770b6e2a95a6aff4ff9e497186b6f91d0651d6edef99b1694e93252d76bda5a71f34c17ad34e2191ef35b003507898f8b7bbf172969c25555ef2630d072bee948f60b035b8645418a4c5f53b16f2caab6dcbaa498fbe8901265ceb7c005bd4703c2f2338346a7522498fd604f8704197b77ec577fdb3401b746864e6094b32a726f661efc160b55bea80921ad80eb8f85685719012881d778e3990035357c6da4827eb5b5cb73921f46f2168962daca209009faa6a198c009f439dd6758fb94923d1fdf27515c96730d1eead915c58dc4f6925682df1af933a3bea18d74d2cf032a28fd47380e11adf12686d3ff174e8a1f9c725593b341b954a6a34af73bfa29bd976e2563d39002584d750c31622b8503c452e29811fd99432477cc9448d812dd36c1ca3b22e09bb139b565913d2da92db246982e77e27d89e0c84f87e3e18768b27abdaffa11dfbc346c8743c3bbc76b7b90fd019892993c9630daaf93219b3ca25bac0f9fe40f393f51f5f3bcc07764f5b8ca508c1bccb14886cda490a120da4296c5de40635f762eabfda561c1afe24f298a71596437fa5f989c816ce79d431482e488df8a2755fdeb1cae0bd1627120435551c37685d20e82d715ef046e08f6dda2018f3bcb3a37c2d059db896778390c23b9f563672856e07e046e54ffbd815c4e38ac321c18dd6d072f6b9961f3be0b5c77b083caef4c510e2ea8e58b9136d446b3dde85eb3ef05dc5d685dfaae138a1aff5050ce7621842fbf5db6bd4f0b998b0e0a41276df3178023cadfa9c5e15d82052dbaf05d33ef57d1ef4d49643f63cef7e83286ef17348338b6753f3789fce4b097f47e58713873a7399a2c7d4d25ea6701e88b7ed3af9b4a406486b8ab8055472634ce418c16bcd04d2eb3c37ca2ecad69aa0e28b27e8d56341c1c"}}) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000002800)={0x0, 0x4, 0xb53, 0x0, r0}) setsockopt$inet_group_source_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000002840)={0x0, {{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x104) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000002980)) fcntl$F_SET_RW_HINT(0xffffffffffffffff, 0x40c, &(0x7f00000029c0)=0x3) gettid() setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(0xffffffffffffffff, 0x10e, 0x1, &(0x7f0000002a00)=0xe, 0x4) r1 = add_key$keyring(&(0x7f0000002a40)='keyring\x00', &(0x7f0000002a80)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffc) lstat(&(0x7f0000002ac0)='./file0\x00', &(0x7f0000002b00)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r1, r2, r3) ioctl$KDENABIO(0xffffffffffffffff, 0x4b36) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000002c40)={@empty, 0x54}) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000002c80)=0x5, &(0x7f0000002cc0)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5335, &(0x7f0000002d00)={0x7a4, 0x0, 0x0, 'queue1\x00'}) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000), 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:22 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:22 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:22 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:22 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100), 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x0, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) [ 199.806570] capability: warning: `syz-executor5' uses deprecated v2 capabilities in a way that may be insecure 2018/03/29 11:29:23 executing program 5: syz_emit_ethernet(0x1e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@can={0xc, {{0x2, 0x5, 0x1, 0x5c}, 0x0, 0x1, 0x0, 0x0, "3d275d773de25016"}}}}, 0x0) r0 = socket$inet6(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f0000017000)={0xa}, 0x1c) socketpair$unix(0x1, 0x400000000002, 0x0, &(0x7f0000634000)={0xffffffffffffffff, 0xffffffffffffffff}) bind$unix(r1, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0xffffffbd) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000080)={0x0, 0x1, 0xbf, 0x6}, &(0x7f00000000c0)=0x10) pread64(r2, &(0x7f0000000180)=""/195, 0xc3, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={r3, 0x85, 0x10}, &(0x7f0000000140)=0xc) connect$unix(r1, &(0x7f00000bc000)=@abs, 0x8) r4 = accept$inet(0xffffffffffffff9c, &(0x7f0000000280)={0x0, 0x0, @dev}, &(0x7f00000002c0)=0x10) getsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f0000000300)={0x0, @dev, @broadcast}, &(0x7f0000000340)=0xc) sendmmsg$unix(r2, &(0x7f00000bd000), 0x492492492492834, 0x0) connect$unix(r1, &(0x7f00003de000)=@file={0x1, './file0\x00'}, 0xa) close(r1) socket$inet_sctp(0x2, 0x0, 0x84) syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x3a, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x0, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280), 0x4) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r4, &(0x7f00000043c0), 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x4e21, 0x100, @loopback={0x0, 0x1}, 0x10001}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x2, @empty, 0x7}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r5, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:23 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(0xffffffffffffffff, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x0, 0x0, 0x0, 0x75}, 0x14) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb5, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c"}, &(0x7f0000004c80)=0xbd) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 4: fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000600)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000340)={0x0, 0x1}, &(0x7f0000000380)=0x8) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000005c0)) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000003c0)={r2, 0x8001}, 0xc) fsetxattr(r1, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r1, &(0x7f0000000500)=@known='security.selinux\x00') getresuid(&(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000480)) lstat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000540)) fchown(r1, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f00000002c0), 0x4) 2018/03/29 11:29:23 executing program 4: socket$inet6(0xa, 0x0, 0x0) perf_event_open(&(0x7f0000bba000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000040)) getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) socket$packet(0x11, 0x3, 0x300) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000480)=ANY=[]}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') gettid() open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x0, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)) chdir(&(0x7f0000000280)='.') unshare(0x0) preadv(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x0) 2018/03/29 11:29:23 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000200)=""/249, 0xf9}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) dup2(0xffffffffffffffff, 0xffffffffffffffff) 2018/03/29 11:29:23 executing program 7: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x0, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb5, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c"}, &(0x7f0000004c80)=0xbd) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}, 0xfda9) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r4, &(0x7f00000043c0)=[{&(0x7f0000000040)={0x27, 0x0, 0x0, 0x0, 0x0, 0x0, "25d08a89aae8837f726687326421747920ae1968e20cd373699fd8daea2d68bf7ee425535bff91167faa35b33054f80bdbebfd95e453d17a63c514ad40b02b"}, 0x60, &(0x7f00000000c0), 0x0, &(0x7f0000001240)={0x10, 0x0, 0x1}, 0x10}], 0x1, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}, 0x0, 0x1, [{{0xa}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r5, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb5, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c"}, &(0x7f0000004c80)=0xbd) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(r0, 0x406, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, r1, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x10001, 0x0, 0x10001, 0x5}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x40, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0x0, r5, 0x10003, 0x1f}) 2018/03/29 11:29:23 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0], &(0x7f00000002c0)=0x1) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r1, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r2 = socket$inet_sctp(0x2, 0x0, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r4, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r3, &(0x7f00000043c0), 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x4e21, 0x100, @loopback={0x0, 0x1}, 0x10001}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x2, @empty, 0x7}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r4, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x0, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 4: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x200, 0x0) r1 = accept4(r0, &(0x7f00000002c0)=@can, &(0x7f0000000340)=0x80, 0x800) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000380)={0x0, 0x0, 0x101, 0x8000, 0x0, 0x2, 0xef7, 0x71f9bbe8, {0x0, @in={{0x2, 0x4e23}}, 0x5, 0x4, 0xba, 0x5, 0x1}}, &(0x7f0000000440)=0xb0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000004c0)=[@in={0x2, 0x0, @rand_addr=0x10000}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x5b, @mcast2={0xff, 0x2, [], 0x1}, 0x800}], 0x3c) r2 = getpid() capset(&(0x7f00000005c0)={0x200f1526}, &(0x7f0000000600)={0x1, 0x1, 0x1000, 0xd3, 0x7}) sendto$packet(0xffffffffffffffff, &(0x7f0000000680)="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", 0xe4f, 0x4008084, &(0x7f0000001680)={0x11, 0x2, 0x0, 0x1, 0xdcc, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) ioctl$EVIOCGBITSND(0xffffffffffffffff, 0x80404532, &(0x7f00000016c0)=""/125) mq_notify(0xffffffffffffffff, &(0x7f00000027c0)={0x0, 0x3, 0x1, @thr={&(0x7f0000001740)="6fbff104c453adbbce323cf7f3771eb69eb01ba8f1cb7247697cc7a0b3bb342ec2105795f8ede51a41884271061b39710149d7074c00cd5ecbdcb07fd4e78f25a0391ae7edc155bdb61d49c82fcec34d6960dd7bf7eb84c35e4748b8", &(0x7f00000017c0)="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"}}) fcntl$lock(r1, 0x6, &(0x7f0000002800)={0x2, 0x0, 0xb53, 0x0, r2}) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000002980)) gettid() setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(0xffffffffffffffff, 0x10e, 0x1, &(0x7f0000002a00)=0xe, 0x4) r3 = add_key$keyring(&(0x7f0000002a40)='keyring\x00', &(0x7f0000002a80)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffc) lstat(&(0x7f0000002ac0)='./file0\x00', &(0x7f0000002b00)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r3, r4, r5) ioctl$KDENABIO(r0, 0x4b36) getsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000002c80)=0x5, &(0x7f0000002cc0)=0x4) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5335, &(0x7f0000002d00)={0x7a4, 0x0, 0x0, 'queue1\x00'}) 2018/03/29 11:29:23 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c, 0x0, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x0, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) [ 200.216568] device lo entered promiscuous mode 2018/03/29 11:29:23 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000300)=""/192, 0xc0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:23 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0), &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x0, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 6: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x126, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0xf0, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[@dstopts={0x0, 0x2, [], [@ra={0x5, 0x2, 0x3}, @hao={0xc9, 0x10, @mcast2={0xff, 0x2, [], 0x1}}]}, @hopopts={0x4, 0x4, [], [@generic={0x641a7ff5, 0x1e, "e9021c63116f184b0c6f1fb194421540d33c57be504b7db960a3324e183c"}]}, @dstopts={0xbd, 0x11, [], [@calipso={0x7, 0x28, {0x7, 0x8, 0x2, 0x0, [0x8, 0x8, 0x9, 0x8]}}, @calipso={0x7, 0x40, {0x7, 0xe, 0x7, 0xf9, [0x100, 0xffff, 0x8, 0x1, 0x2, 0x2, 0x7f]}}, @ra={0x5, 0x2, 0x7}, @hao={0xc9, 0x10, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @enc_lim={0x4, 0x1}, @jumbo={0xc2, 0x4, 0x8}]}], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:23 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(r0, 0x406, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, r1, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x10001, 0x0, 0x0, 0x5}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x40, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0x0) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5, 0x10003}) 2018/03/29 11:29:23 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480), 0x0, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:23 executing program 6: mmap(&(0x7f0000000000/0xf9a000)=nil, 0xf9a000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f00003a4000)={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfffffffffffffffc}, {0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, 0x5c) socketpair(0xb, 0x6, 0x3, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000100)=[{0x0, 0x2}, {0x2, 0x3}, {0x2, 0x7}], 0x3) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f00000000c0)=[{0xc, 0x80000001}], 0x1) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000000)={{0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, {0xa, 0x0, 0x7, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1, [0x0, 0x0, 0x0, 0x10000000000000, 0x0, 0x0, 0x40000000000000]}, 0x5c) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x0, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x2, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:23 executing program 5: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}, 0x0, 0x0, 0x0, 0x0, 0x93cca066bcd113d5}, 0x98) 2018/03/29 11:29:23 executing program 6: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x76, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0x40, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$TIOCEXCL(r2, 0x540c) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x0, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0x0) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') getsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080), 0x10) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x20, 0x10, 0x1}, 0x20}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000a00)=ANY=[], 0x0) gettid() r1 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x0, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r1, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:23 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0), &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 7: accept4$vsock_stream(0xffffffffffffff9c, &(0x7f0000000080)={0x28, 0x0, 0x2711, @host=0x2}, 0x10, 0x80800) socket(0x1e, 0x0, 0x0) bind(0xffffffffffffffff, &(0x7f0000bd3000)=@generic={0x0, "0103000000000500ffffffffffffffe409a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f84b9a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f131668ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c801f70dc136cb184a"}, 0x80) unshare(0x60000000) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000005c0)) getuid() getgid() getpid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000600)={{{@in=@dev, @in6}}, {{@in=@broadcast}, 0x0, @in=@multicast1}}, &(0x7f0000000700)=0xe8) getgid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000e00), &(0x7f0000000e40)=0xc) gettid() getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000012c0)={{{@in6=@mcast1, @in6=@remote}}, {{@in=@remote}}}, &(0x7f00000013c0)=0xe8) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000001480)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000001500)=0xc) getgid() ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000002a80)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000002c80), &(0x7f0000002cc0)=0xc) getgid() getpid() 2018/03/29 11:29:23 executing program 6: perf_event_open(&(0x7f0000757f88)={0x1, 0x70, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) clone(0x200, &(0x7f0000fbf000), &(0x7f0000c53000), &(0x7f0000f8b000), &(0x7f000025e000)) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000040)=0x0) r1 = getpgrp(r0) kcmp(r1, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) open(&(0x7f00000ed000)='./file0\x00', 0x401, 0x0) 2018/03/29 11:29:23 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}}, 0x98) [ 200.595636] IPVS: ftp: loaded support on port[0] = 21 2018/03/29 11:29:23 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x0, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:23 executing program 5: r0 = memfd_create(&(0x7f00008eb000)="ff07000000697479637075736574404046657600a9", 0x2) fallocate(r0, 0x0, 0x0, 0x4d2) openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x80000, 0x0) fcntl$addseals(0xffffffffffffffff, 0x409, 0xd) 2018/03/29 11:29:23 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:23 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0), &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:23 executing program 4: accept4$vsock_stream(0xffffffffffffff9c, &(0x7f0000000080)={0x28, 0x0, 0x2711, @host=0x2}, 0x10, 0x80800) socket(0x1e, 0x0, 0x0) bind(0xffffffffffffffff, &(0x7f0000bd3000)=@generic={0x0, "0103000000000500ffffffffffffffe409a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f84b9a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f131668ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c801f70dc136cb184a"}, 0x80) unshare(0x60000000) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000005c0)) getuid() getgid() getpid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000600)={{{@in=@dev, @in6}}, {{@in=@broadcast}, 0x0, @in=@multicast1}}, &(0x7f0000000700)=0xe8) getgid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000e00), &(0x7f0000000e40)=0xc) gettid() getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000012c0)={{{@in6=@mcast1, @in6=@remote}}, {{@in=@remote}}}, &(0x7f00000013c0)=0xe8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001400), &(0x7f0000001440)=0xc) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000001480)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000001500)=0xc) getgid() ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000002a80)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000002c80), &(0x7f0000002cc0)=0xc) getgid() getpid() 2018/03/29 11:29:23 executing program 5: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:24 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}}, 0x98) 2018/03/29 11:29:24 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff}) 2018/03/29 11:29:24 executing program 7: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000200)=""/249, 0xf9}], 0x1, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:24 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:24 executing program 4: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x0, 0xfd4, 0x0, 0x38, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:24 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x0, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:24 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(0xffffffffffffffff, 0x89a1, &(0x7f0000000000)='bcsf0\x00') setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x2c, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_BROADCAST={0xc, 0x2, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}]}, 0x2c}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000a00)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000004000000a8040000400100000000000040010000c0e3ffffbf030000c003000004000000000000000000000000000000850bfe3b05b0d9c49644b8cdd9739475a088ecb4769319170d735104472aab038110e9a3b223898915b3acd0b3727d543d3349394ff2602a6d58fad8079810a01325ebfb8f7879b1a01e87624a0e7ff311902312"], 0x1) gettid() r2 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) preadv(r2, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000000d000)) 2018/03/29 11:29:24 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:24 executing program 6: mmap(&(0x7f0000000000/0xf9a000)=nil, 0xf9a000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f00003a4000)={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfffffffffffffffc}, {0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, 0x5c) socketpair(0xb, 0x6, 0x3, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000100)=[{0x7, 0x2}, {0x2, 0x3}, {0x2, 0x7}], 0x3) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f00000000c0)=[{0xc, 0x80000001}], 0x1) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000000)={{0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, {0xa, 0x0, 0x7, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1, [0x0, 0x0, 0x0, 0x10000000000000, 0x0, 0x0, 0x40000000000000]}, 0x5c) 2018/03/29 11:29:24 executing program 3: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f00000002c0)="86", 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000100)="c6", 0x1, 0x0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000400)='lo\x00', 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa}}}, 0x98) 2018/03/29 11:29:24 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x0, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:24 executing program 7: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5}) 2018/03/29 11:29:24 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x0, 0x2, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:24 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:24 executing program 6: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0xae, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0x78, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[@dstopts={0xbd, 0x3, [], [@ra={0x5, 0x2, 0x7}, @hao={0xc9, 0x10, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @enc_lim={0x4, 0x1}, @jumbo={0xc2, 0x4, 0x8}]}], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553f436e3f28700e9ba63352fecc5abb588"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:24 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:24 executing program 5: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) 2018/03/29 11:29:24 executing program 7: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x0, 0x0, 0x10001}) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0xe7) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5}) 2018/03/29 11:29:24 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)=0x0) fcntl$dupfd(r0, 0x0, r1) wait4(r2, &(0x7f0000000180), 0x2, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, r1, 0x0) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000240)={0x10001, 0x0, 0x0, 0x5}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x0, r4, 0x0, 0x8f}) ioctl$TCSBRK(r3, 0x5409, 0x0) write$cgroup_pid(r3, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r3, 0x0, 0x0, 0x7c) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff2680001000008000020"]) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(r3, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r5}) 2018/03/29 11:29:24 executing program 3: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x7}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0xac, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@newlink={0x20, 0x10}, 0x20}, 0x1}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x2}, 0x10) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000a00)=ANY=[], 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000380)="6d6f756e74696e666f004388f750c83d14c4a3a9ac1488a402f1265047502f6c2dd9f655a08d63e2da7af47e6c37972352875f125bcf3ea7f04b7b505b6a06beedb2a86e30a86bc0d37a6438b99a45ea22b1f4fb050000000000000000000000000044b800e87953ed64ae2f3f5f53c78f80293abf2a8486bd65d593cea221df08495ace8ea1f739deb9394733c7f2a8bc8469c6ab2ec67eeec0f89c726db45b9fbf07b5e70840d3520ab33cd4619123cbd3b6246e1c0fb86835c5a2d52e02d7f8da762ba15a81fafeb2c9549175") mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, &(0x7f00000001c0)) mount(&(0x7f0000d04000)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000000340)='bdev\x00', 0x100000, &(0x7f00000002c0)) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='.', &(0x7f0000000240)='ubifs\x00', 0x1004, 0x0) mount(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='.', &(0x7f0000000140)='vxfs\x00', 0x0, &(0x7f0000000200)) mount(&(0x7f0000377ff8)='.', &(0x7f0000187ff8)='.', &(0x7f0000753000)='mslos\x00', 0x5010, &(0x7f00000e7000)) mount(&(0x7f000000a000)='.', &(0x7f0000852000)='.', &(0x7f0000a60000)='ramfs\x00', 0x0, &(0x7f0000d1cfff)="d6") preadv(r0, &(0x7f0000000040)=[{&(0x7f00000012c0)=""/4096, 0x1000}], 0x1, 0x0) 2018/03/29 11:29:24 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) 2018/03/29 11:29:24 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:24 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x0) 2018/03/29 11:29:24 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x0, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:24 executing program 4: r0 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r0, &(0x7f0000000100)=ANY=[], 0x1023c) 2018/03/29 11:29:24 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000340)=ANY=[@ANYRES32=0x0], &(0x7f00000002c0)=0x1) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280)=r3, 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r4 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r4, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r6, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r5, &(0x7f00000043c0), 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x4e21, 0x100, @loopback={0x0, 0x1}, 0x10001}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x2, @empty, 0x7}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r6, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:24 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_TIMEOUT(r1, 0x0, 0x48a, &(0x7f0000000040)={0x100000001, 0x5, 0xffffffffffffffff}, 0xc) fcntl$dupfd(r0, 0x406, r1) wait4(0x0, &(0x7f0000000180), 0x0, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x80010, r1, 0x0) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000240)={0x10001, 0x0, 0x0, 0x5}) inotify_init1(0x800) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000280)={0x40, r3, 0x0, 0x8f}) ioctl$TCSBRK(r2, 0x5409, 0x0) write$cgroup_pid(r2, &(0x7f0000000100)=ANY=[], 0x1023c) msync(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4) fallocate(r2, 0x0, 0x0, 0x7c) ioctl$fiemap(r2, 0xc020660b, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000004fc4c604990022d4e8bff26800010000080000200000000000000000"]) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f00000001c0)={0x62, 0x0, 0x1, 0x1f}) ioctl$DRM_IOCTL_AGP_FREE(r2, 0x40206435, &(0x7f0000000200)={0xfffffffeffffffff, r4}) 2018/03/29 11:29:24 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:24 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x0, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:24 executing program 3: socket(0x11, 0x100000802, 0x0) r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:24 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000240)={'lo\x00', 0x95fe}) r2 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'bridge0\x00'}) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000280), 0x4) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={0x0, 0x1, 0xffffff89, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x13}}, 0xfda9) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000380)=""/76, &(0x7f0000000080)=0x4c) ioctl$sock_SIOCBRADDBR(r1, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000480)='bridge0\x00') getsockopt$inet_sctp_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000840), &(0x7f0000000600)=0x4) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, &(0x7f00000001c0)=0x80) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f00000004c0), &(0x7f0000000540)=0x4) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000200)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, &(0x7f00000005c0), &(0x7f00000006c0)=0x40) sendmmsg$nfc_llcp(r4, &(0x7f00000043c0), 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000004540)={0xbfa2, {{0xa, 0x4e21, 0x100, @loopback={0x0, 0x1}, 0x10001}}, 0x0, 0x1, [{{0xa, 0x4e20, 0x2, @empty, 0x7}}]}, 0x110) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) getpeername(r5, &(0x7f0000000640)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000500)=0x80) 2018/03/29 11:29:24 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:25 executing program 6: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="363c51940180ebe7753205aff0fa0447a66dafe9356a7523588002a93724a0e1fe2d1192f3e19aec4d078b2ab1bb0365360f1339aa1b80de79356570d0a6b7a6025c471e7b8514989fa1e6746581add1157d812fd9ef438b5cd74178ad1fa3bb6cff15a3ede5d306b4f8d977fd65146e99d0c2b2c1d5f2c62577c3c094b374cc50eafec5b0a349c4b04ad425b5dd4d51856e426f359338dbcbe939c9da32b8ffb1f84e3df8dca651656e7818d949b14b5560d71c92335881a988a06f5c2b798dad13916946e32139ede4df933f525428b81464aea9a3c66c410bc4718ba27dab77cee9c682d9dcba6fdd36e36057a6bda603998e69e4aa516c825653071d26d991b749e7b19c2f076a0dc8f0240aabfae82984f0ee5172a6d18e0de0c1f674e57e4a71c0093db907000000000000000000000000000000", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x106, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0xd0, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[@hopopts={0x4, 0x4, [], [@generic={0x641a7ff5, 0x1e, "e9021c63116f184b0c6f1fb194421540d33c57be504b7db960a3324e183c"}]}, @dstopts={0xbd, 0x9, [], [@calipso={0x7, 0x28, {0x7, 0x8, 0x2, 0x0, [0x8, 0x8, 0x9, 0x8]}}, @ra={0x5, 0x2, 0x7}, @hao={0xc9, 0x10, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @enc_lim={0x4, 0x1}, @jumbo={0xc2, 0x4, 0x8}]}], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553f436e3f28700e9ba63352fecc5abb588"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:25 executing program 4: r0 = fcntl$getown(0xffffffffffffffff, 0x9) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000300)) r1 = syz_open_procfs(r0, &(0x7f0000000480)='MeRso.amity\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") fsetxattr(0xffffffffffffffff, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) fremovexattr(r2, &(0x7f00000002c0)=@known='user.syz\x00') setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000380)=0x1, 0xfffffffffffffed1) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f00000003c0)={0x1, 0x5, [@empty, @empty, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="ffc4fbaabe94"]}) syz_emit_ethernet(0x176, &(0x7f00000004c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @random="c43791a8fb4f", [], {@ipv6={0x86dd, {0x5, 0x6, "fd6bd0", 0x140, 0x2e, 0x6, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}, {[@dstopts={0x0, 0x2, [], [@ra={0x5, 0x2, 0x3}, @hao={0xc9, 0x10, @mcast2={0xff, 0x2, [], 0x1}}]}, @hopopts={0x4, 0x5, [], [@generic={0x641a7ff5, 0x1e, "e9021c63116f184b0c6f1fb194421540d33c57be504b7db960a3324e183c"}, @padn={0x1, 0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}]}, @dstopts={0xbd, 0x11, [], [@calipso={0x7, 0x28, {0x7, 0x8, 0x2, 0x0, [0x8, 0x8, 0x9, 0x8]}}, @calipso={0x7, 0x40, {0x7, 0xe, 0x7, 0xf9, [0x100, 0xffff, 0x8, 0x1, 0x2, 0x2, 0x7f]}}, @ra={0x5, 0x2, 0x7}, @hao={0xc9, 0x10, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @enc_lim={0x4, 0x1}, @jumbo={0xc2, 0x4, 0x8}]}], @dccp={{0x4e23, 0x4e23, 0x4, 0x1, 0x4, 0x0, 0x0, 0x9, 0x3, "e7fb66", 0x9, "8c2d33"}, "87e99e9b3641e4dd520127830e045730b8a962e1dec28ddb7b827c5fe86b7e62bed6a04219e6d00417a783041b139553f436e3f28700e9ba63352fecc5abb588"}}}}}}, &(0x7f0000000000)={0x0, 0x3, [0xcc5, 0xe77, 0xd8a, 0x4e4]}) ioctl$TIOCEXCL(r2, 0x540c) ioctl$DRM_IOCTL_GET_CAP(r2, 0xc010640c, &(0x7f0000000340)={0x9}) 2018/03/29 11:29:25 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:25 executing program 5: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x0, 0x0, 0x75}, 0x14) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000200)=""/249, 0xf9}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x4, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:25 executing program 7: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x8, 0x0, 0x5c, 0xfd4, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000380)}, 0x2400, 0xa7, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:25 executing program 3: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x70, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xde, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x2400}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/03/29 11:29:25 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x0, 0x0) recvmsg(r6, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:25 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:25 executing program 4: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x9, 0x0, 0x75}, 0x14) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000200)=""/249, 0xf9}, {&(0x7f00000003c0)=""/130, 0x82}], 0x2, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) dup2(0xffffffffffffffff, 0xffffffffffffffff) 2018/03/29 11:29:25 executing program 6: perf_event_open(&(0x7f0000271000)={0x0, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x2, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:25 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:25 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:25 executing program 5: shmget(0x0, 0x3000, 0x0, &(0x7f0000ffc000/0x3000)=nil) 2018/03/29 11:29:25 executing program 6: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff, 0x0, 0x0, 0x75}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB]}, 0x1}, 0x0) prctl$setendian(0x14, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000200)=""/249, 0xf9}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x4, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) dup2(0xffffffffffffffff, 0xffffffffffffffff) 2018/03/29 11:29:25 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:25 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(r8, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:25 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000080)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@empty]}, 0x14) bind$inet(r0, &(0x7f0000eed000)={0x2, 0x4e21}, 0x2) syz_emit_ethernet(0x2a, &(0x7f00003f3fd5)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/03/29 11:29:25 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000001f40)={0x0, 0xff8, "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"}, &(0x7f0000000000)=0x1000) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000180), &(0x7f00000001c0)=0x4) ioctl$sock_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000040)) socketpair(0x200000d, 0x4, 0x9, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000640)={r1, 0x6}, &(0x7f00000016c0)=0x8) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r3, &(0x7f0000000500)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x5c, r4, 0x400, 0x70bd27, 0x25dfdbfe, {0x7}, [@IPVS_CMD_ATTR_DAEMON={0x30, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1=0xe0000001}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x3bd17e91}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000010}, 0x8000) sendmsg$inet_sctp(r0, &(0x7f0000001f00)={&(0x7f0000001840)=@in={0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x10, &(0x7f0000001c40)=[{&(0x7f0000001880)='[', 0x1}], 0x1, &(0x7f0000001e40), 0x0, 0x800}, 0x40) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r0, &(0x7f00000005c0)={0x1}) ioctl$sock_bt_bnep_BNEPCONNDEL(r2, 0x400442c9, &(0x7f0000000100)={0x1ff, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000001780)={'vcan0\x00', 0x3002}) socketpair(0x0, 0x800, 0x7, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_TIMEOUT(r3, 0x0, 0x486, &(0x7f0000001700), &(0x7f0000001740)=0xc) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r3, 0x10e, 0x2, &(0x7f0000000600)=0x1a, 0x4) r6 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000300)='IPVS\x00') getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000540), &(0x7f0000000580)=0x8) bind$alg(r5, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'sha512_mb\x00'}, 0x58) sendmsg$IPVS_CMD_ZERO(r5, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1008000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x700, 0x70bd27, 0x25dfdbfd, {0x10}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x100000001}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0xc0}, 0x20004000) 2018/03/29 11:29:25 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:25 executing program 1: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000040), 0x10) r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f00000051c0)={@loopback, @broadcast, 0x0}, &(0x7f0000005200)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000005280)={"2d9f88f453d19c280000008000", r1}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={'syz_tun\x00', {0x2, 0x4e21, @loopback=0x7f000001}}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000140)={r2, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x10) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f0000000980)='bcsf0\x00') ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f00000001c0)=@get={0x1, &(0x7f0000000180)=""/58, 0x7}) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f00000007c0)={0x0, 0x800}, &(0x7f0000000800)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000001c80)={0x0, 0xdb, "5145718d129a4f98b949298b0957de2906fd0c309c3764c48089b284551d500a1644413d6afbd9b6668316e343b10eb70cff6126ecd9981b73c6eb00a890164344a43f930a0285165ea21c2ce61672c73d8e8580e9d54c10cbe560f67624abf3148bb8fda260d709f5b185dce138c6f7e54ee98b0af0dbc3c0ba84f23c15c3b1013a554d41bbe8db290ba758db14c96ea6faaf9aa2e76ed2c99ea465ea5acabb745cb998888e661c25a5570eeb9953c58d8446f2d2f92c4fc9c22ab56f9139c6c0bbf1a2b275010dd3ff00b5cb87159fd8c8016a146988355ae131"}, &(0x7f0000001d80)=0xe3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000001dc0)={0x0, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, [0xffffffffffffffff, 0xfb, 0x3, 0x0, 0x7, 0xfffffffffffff9e0, 0xffffffff, 0x0, 0x0, 0x4, 0x61, 0x4, 0xc0f8, 0x100000000, 0x1f]}, &(0x7f0000001ec0)=0x100) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001f00)=ANY=[@ANYRES32=0x0, @ANYBLOB='\x00'], &(0x7f0000001f40)=0x2) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet6_mreq(r5, 0x29, 0x15, &(0x7f00000003c0)={@ipv4={[], [], @local}}, &(0x7f0000000400)=0x14) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000004ac0), &(0x7f0000004b00)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000004b40), &(0x7f0000004b80)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000004bc0)={0x0, 0xb6, "738222294214759a90ba7f10af4ba35d448b16f7cc38a8d9c8f653156ee6e94f71b2d9743b1bedc8c877467dd77bdf00f720d84cee89ee1f414738c0ea5c9d40f2229745af0e97adcbb2c5f540e9d163c55bd7b93c91d7efbfee14d27acd326867186dd7104bac77c4e24916e4894322137d6086e73085b9dd5c600eb2aa750dc2c85ff19ce71089a33766b59b5603e59207939ea266a00c7cc5a64a2d39016f5d3916e39d59bdb7664cd330b733ddca31ee85af6c8e"}, &(0x7f0000004c80)=0xbe) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004cc0)={0x0, 0x8f63}, &(0x7f0000004d00)=0x8) r6 = socket(0x10, 0x2, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000f8b000)={&(0x7f0000421ff2)=@l2, 0xe, &(0x7f0000ea6f90), 0x0, &(0x7f0000fc1000)=""/86, 0x56}, 0x0) readv(r6, &(0x7f0000000240)=[{&(0x7f0000000140)=""/195, 0xc3}], 0x1) recvmsg(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000280)=""/238, 0xee}, 0x0) write(r6, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000004d40)={0x0, 0xe8, "e949ded1298413a260b065b90c7877e90a8537a6cfd685e7fa926f048231c87923b08df4dc1e27b0d57275dec66e64cf7584bad6c096357035a1074419c243aea34c26f24418436cb172094b75a449de92f5356f7f23dcbc8d3b6ee6369e35c8f2c74ca8d578466228378fa6f0b9be4210af15a89b38abad457c7819a9a27c186afa4c49528ea8c9a12db2af6b2c7e9c5ac572893042f9bce20a6e372317034aed08e232b326052b6a057e0080829c57eb1c17998bd69ce85962e82e309bf2b10db846e71edbcb7ae1a822ea48f1d7bcf4ccb91e995780a7b1a37f92239d891890b47126b4f0450f"}, &(0x7f0000004e40)=0xf0) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000004e80)={0x0, 0x7}, &(0x7f0000004ec0)=0x8) sendmmsg$inet_sctp(r3, &(0x7f00000050c0)=[{&(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x401, @ipv4={[], [0xff, 0xff]}, 0x7}, 0x1c, &(0x7f0000000740)=[{&(0x7f0000000200)="60bcda51852ab9547f1971150afa4f2495ac11f552ab6507953032a8cb1819be4f822f5d5a33bf03318fb91fb2d0be43021f6cb439744a315c4b03f7f3ffca8e17fb33bb88a7afe7ee9554f8a83d0ef54ff2d3b65ae5d69ccd13a808dfc0fe4e2f4a2167afd52b6c06489f6ca1a8ac279ff259b7bd188632af162127e8da5fd4a01b1d45aed0bcbef60ee2b167da9dd36e09ec7f77d204a05372e32735a9a57374b53af0bd58a069b19c077b", 0xac}], 0x1, &(0x7f0000000840)=[@init={0x18, 0x84, 0x0, {0x2, 0x5, 0x1, 0x400}}, @init={0x18, 0x84, 0x0, {0x101, 0xfff, 0xad, 0x6}}, @init={0x18, 0x84, 0x0, {0x1, 0x3f, 0x6, 0x3ff}}, @init={0x18, 0x84, 0x0, {0x1, 0x3e86c00000000, 0x210, 0x200}}], 0xc0, 0x800}, {&(0x7f0000000940)=@in6={0xa, 0x4e23, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, 0x1c, &(0x7f0000001c00)=[{&(0x7f00000009c0)="b5a0d551ac110f957b7b12d80381342b87fd41dd87ae6979cfeeab13f430400a5d5b9aa071f44755ec8a0ac3ea0d89fa563e81cda16689b987aef8f8a4e5a9e9565ed558f3f42a46e132f55f747e388155e9029fdcf61506", 0x58}], 0x1, &(0x7f0000001f80)=[@init={0x18, 0x84, 0x0, {0x5, 0x1, 0x1000, 0x9}}, @sndinfo={0x20, 0x84, 0x2, {0x100000001, 0x0, 0x28e, 0x2, r4}}], 0x60, 0x20000000}, {&(0x7f0000002080)=@in6={0xa, 0x4e24, 0xa7, @empty, 0x54b17ba4}, 0x1c, &(0x7f0000003440)=[{&(0x7f00000020c0)="343ddd98282dbf7a95adfd658220c351fc319b1190ed219bac23ed4312bea6fbd9f5b66161cb476cf6f7a76889469aa07048bbce1431896e3ec875b540e19d6aa4adc0901c3131ca04e2c6a637e0ef3d98d4a459ca90a47db6f0058f325160e22a1e978563e5d0e4a203462011592557ba24709dcfefaaca942ab66deca2d872e61937e9df3f845d1e8fd05a109d52c0976624aa2ade41391800c02e19157b3fb6a13e50acd2081bfde337fec201139b55dd8e88d5f5a50fa2c8a1b935340616b9bc18eafd63273b4054deacfb65481c578f1fe66bd64c52a2a278", 0xdb}], 0x1, 0x0, 0x0, 0x8011}], 0x3, 0x40) 2018/03/29 11:29:25 executing program 7: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) preadv(0xffffffffffffffff, &(0x7f0000000340), 0x0, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfd4, 0x0, 0x0, 0x9, 0x0, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x7, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000380)}, 0x0, 0xa7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) [ 202.226994] sctp: [Deprecated]: syz-executor3 (pid 1354) Use of int in maxseg socket option. [ 202.226994] Use struct sctp_assoc_value instead [ 202.250285] [ 202.251947] ============================================ [ 202.257390] WARNING: possible recursive locking detected [ 202.262825] 4.16.0-rc7+ #370 Not tainted [ 202.266871] -------------------------------------------- [ 202.272315] syz-executor3/1354 is trying to acquire lock: [ 202.277846] (_xmit_ETHER#2){+.-.}, at: [<000000007f28604d>] sch_direct_xmit+0x361/0x1140 [ 202.286185] [ 202.286185] but task is already holding lock: [ 202.292142] (_xmit_ETHER#2){+.-.}, at: [<000000007f28604d>] sch_direct_xmit+0x361/0x1140 [ 202.300467] [ 202.300467] other info that might help us debug this: [ 202.307124] Possible unsafe locking scenario: [ 202.307124] [ 202.313276] CPU0 [ 202.315936] ---- [ 202.318499] lock(_xmit_ETHER#2); [ 202.322035] lock(_xmit_ETHER#2); [ 202.325561] 2018/03/29 11:29:25 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) 2018/03/29 11:29:25 executing program 0: r0 = accept(0xffffffffffffffff, &(0x7f0000000280)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff}}, &(0x7f0000000200)=0x80) getsockopt$bt_hci(r1, 0x0, 0x3, &(0x7f0000000bc0)=""/92, &(0x7f00000008c0)=0x5c) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0xb4, &(0x7f0000000440)=[@in6={0xa, 0x4e23, 0x2e, @dev={0xfe, 0x80, [], 0xa}}, @in6={0xa, 0x4e20, 0x8, @dev={0xfe, 0x80, [], 0xd}, 0xffffffff}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1b}, @in={0x2, 0x4e21, @multicast2=0xe0000002}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e20, @multicast2=0xe0000002}]}, &(0x7f0000000640)=0x10) getsockname$llc(r0, &(0x7f0000000540), &(0x7f0000000580)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000f80)={r2, @in6={{0xa, 0x4e23, 0x8000, @remote={0xfe, 0x80, [], 0xbb}, 0x86}}, 0x1c4, 0x6, 0x7ffffffd, 0x40, 0x20}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000a40)=ANY=[], 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet6_udp(0xa, 0x2, 0x0) sendto$inet6(r4, &(0x7f0000000380)="3e4ec779b348b416b034e8c1dcc2cb359bc5fffc4e99bd47caab6a58604a77788c056d95411e9816fe603ab1dd4d9b526f6db83465edf173b78352bf3a16ad89798685eb2e6457804b261d43633b9cfd81645eba80a11ac34a3d01bc03c0e8fd49fa5907560381b8b4205dbd3ba5b04416bd5ca79691c6c377f5a291a435bf4935de51b39cd82301f4ad920c1cf39376c1871f5ff67746a28a054ab89ec37721581201fddd18489b7e3cf77a27", 0xad, 0x10, &(0x7f00000001c0)={0xa, 0x4e20, 0x6, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x65}, 0x1c) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22}}) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000300)={0x6, {0x2, 0x0, @rand_addr}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x0, @broadcast=0xffffffff}, 0x3, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)='syzkaller0\x00'}) r5 = accept4$inet(r3, &(0x7f0000000880)={0x0, 0x0, @broadcast}, &(0x7f0000000700)=0x10, 0x80000) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000900)={r2, @in={{0x2, 0x4e24, @rand_addr=0x7}}, [0x0, 0x1, 0x80000001, 0xfffffffffffffff7, 0x80000001, 0x7, 0x4, 0x6, 0x0, 0xff1f, 0x6, 0x1, 0xd5e, 0x6, 0x2]}, &(0x7f0000000a00)=0x100) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000600), &(0x7f0000000040)=0x4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f00000005c0)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000e40)={r6}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1f, 0x100000000020, 0x8000000000000002, 0x80000000}, &(0x7f0000000100)=0x16) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000780)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_MODE_GETCRTC(0xffffffffffffffff, 0xc06864a1, &(0x7f0000000800)={&(0x7f00000007c0)=[0x56ec, 0x0, 0x1], 0x3, 0x3, 0x4, 0x1, 0x31d853, 0x3ff, {0x1, 0x5, 0x4, 0xcf12, 0x7, 0x5311, 0xffff, 0x3, 0x9, 0x9, 0x3, 0x20, 0x1, 0x1, "faea0d1cba6b6ade33ea7de34c2882ba38a979f4a437aafa25b4b6cddb7b66e3"}}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000140)={r7, 0xc38}, &(0x7f0000000180)=0x8) r9 = socket(0x8000000000e, 0x800000000, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYPTR]) ioctl(r9, 0x8916, &(0x7f0000000740)) ioctl(r9, 0x8936, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r9, 0x84, 0x1a, &(0x7f0000000440)={0x0, 0x5, "b7d059d6d3"}, &(0x7f00000006c0)=0xd) r10 = socket(0x2, 0x1, 0x0) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f00000002c0)={'lo\x00'}) ioctl$SIOCSIFMTU(r10, 0x8922, &(0x7f0000000000)={'lo\x00', 0x10000}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r9, 0x84, 0x6c, &(0x7f0000000ac0)=ANY=[@ANYRES32=0x0, @ANYBLOB="65000000c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b3898a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf4c0f4907260db9e795fa48bd31e9915970824e8078edc9e3ca59c093d39e27a37c85e9be2f948588155fda9ff4c279a4ce02c3babd1ea8d15a021afe1bf97474e61aca2b79b4640fa7c7016005c1b162f9ed376206ad96c7d72ed5e97e98b35de78c7622f6d1110cb97a20316ff3b8db96c6ff9d48f3bfa08c329278ae90321ab557758d8622b2136e62e9dc752f51641e7"], &(0x7f0000000080)=0x2) 2018/03/29 11:29:25 executing program 6: r0 = socket(0x11, 0x0, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0xe86824d2c1c833cb}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'ifb0\x00', 0xa201}) socket$inet6_sctp(0xa, 0x0, 0x84) perf_event_open(&(0x7f0000940000)={0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x1000, 0x340f92e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x3, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000380)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdff1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) 2018/03/29 11:29:25 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000080)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@empty]}, 0x14) bind$inet(r0, &(0x7f0000eed000)={0x2, 0x4e21}, 0x2) syz_emit_ethernet(0x2a, &(0x7f00003f3fd5)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/03/29 11:29:25 executing program 2: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000000140)='./file0\x00', 0x2001001, 0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100), &(0x7f00000003c0)=[&(0x7f0000000240)="00080700000400a0b22c582bf3aed17d", &(0x7f0000000300)='@mime_type\x00', &(0x7f0000000380)='\x00']) getpeername$llc(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000500)=0x10) getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) syz_open_procfs(0x0, &(0x7f0000000000)='maps\x00') io_setup(0x0, &(0x7f0000000540)) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x0, @broadcast=0xffffffff}, {0x1, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0xf, {0x2, 0x0, @multicast1=0xe0000001}, "00080700000400a0b22c582bf3aed17d"}) io_cancel(0x0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x7fff, 0xffffffffffffffff, &(0x7f0000000580)}, &(0x7f0000000600)) creat(&(0x7f0000b7a000)='./file0\x00', 0x0) 2018/03/29 11:29:25 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f0000aaa000)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) ioctl$int_in(0xffffffffffffffff, 0x5452, &(0x7f0000000000)=0xd705) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x1000000c4, 0x20000001, &(0x7f0000faafe4)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000015c0)={0x0, 0x7fff}, 0x14) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[]}, 0x1}, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000140)=""/176, 0xb0}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/130, 0x82}], 0x3, &(0x7f0000001500)=""/124, 0x7c}, 0x40010000) [ 202.325561] *** DEADLOCK *** [ 202.325561] [ 202.331692] May be due to missing lock nesting notation [ 202.331692] [ 202.338607] 11 locks held by syz-executor3/1354: [ 202.343341] #0: (sk_lock-AF_INET){+.+.}, at: [<00000000d983283d>] sctp_sendmsg+0xc1e/0x35e0 [ 202.352003] #1: (rcu_read_lock){....}, at: [<000000005321141b>] ip_queue_xmit+0x9e/0x1920 [ 202.360499] #2: (rcu_read_lock_bh){....}, at: [<00000000264ef74e>] ip_finish_output2+0x2aa/0x1550 2018/03/29 11:29:25 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000080)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@empty]}, 0x14) bind$inet(r0, &(0x7f0000eed000)={0x2, 0x4e21}, 0x2) syz_emit_ethernet(0x2a, &(0x7f00003f3fd5)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/03/29 11:29:25 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000080)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@empty]}, 0x14) bind$inet(r0, &(0x7f0000eed000)={0x2, 0x4e21}, 0x2) syz_emit_ethernet(0x2a, &(0x7f00003f3fd5)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/03/29 11:29:25 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000080)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x1, [@empty]}, 0x14) syz_emit_ethernet(0x2a, &(0x7f00003f3fd5)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) [ 202.369693] #3: (rcu_read_lock_bh){....}, at: [<000000000c7786fd>] __dev_queue_xmit+0x2fe/0x2fc0 [ 202.379673] #4: (rcu_read_lock){....}, at: [<00000000d4f8b454>] br_dev_xmit+0x11d/0x1550 [ 202.388089] #5: (rcu_read_lock_bh){....}, at: [<000000000c7786fd>] __dev_queue_xmit+0x2fe/0x2fc0 [ 202.397195] #6: (_xmit_ETHER#2){+.-.}, at: [<000000007f28604d>] sch_direct_xmit+0x361/0x1140 [ 202.405959] #7: (rcu_read_lock_bh){....}, at: [<00000000264ef74e>] ip_finish_output2+0x2aa/0x1550 [ 202.415156] #8: (rcu_read_lock_bh){....}, at: [<000000000c7786fd>] __dev_queue_xmit+0x2fe/0x2fc0 [ 202.424263] #9: (rcu_read_lock){....}, at: [<00000000d4f8b454>] br_dev_xmit+0x11d/0x1550 [ 202.432676] #10: (rcu_read_lock_bh){....}, at: [<000000000c7786fd>] __dev_queue_xmit+0x2fe/0x2fc0 [ 202.443601] [ 202.443601] stack backtrace: [ 202.448099] CPU: 1 PID: 1354 Comm: syz-executor3 Not tainted 4.16.0-rc7+ #370 [ 202.455379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.464728] Call Trace: [ 202.467302] dump_stack+0x194/0x24d [ 202.470916] ? arch_local_irq_restore+0x53/0x53 [ 202.475566] __lock_acquire+0xe8f/0x3e00 [ 202.479620] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 202.484797] ? is_bpf_text_address+0xa4/0x120 [ 202.489277] ? kernel_text_address+0x102/0x140 [ 202.493837] ? __kernel_text_address+0xd/0x40 [ 202.498322] ? unwind_get_return_address+0x61/0xa0 [ 202.503236] ? __save_stack_trace+0x7e/0xd0 [ 202.507547] ? print_lockdep_cache.isra.32+0x109/0x109 [ 202.512813] ? save_stack_trace+0x1a/0x20 [ 202.516952] ? save_trace+0xe0/0x2b0 [ 202.520650] ? __lock_acquire+0x36c0/0x3e00 [ 202.524944] ? trace_hardirqs_off+0x10/0x10 [ 202.529250] ? skb_network_protocol+0xef/0x4b0 [ 202.533820] ? netif_skb_features+0x5ff/0x9b0 [ 202.538292] ? __skb_gso_segment+0x810/0x810 [ 202.542679] lock_acquire+0x1d5/0x580 [ 202.546451] ? lock_acquire+0x1d5/0x580 [ 202.550399] ? sch_direct_xmit+0x361/0x1140 [ 202.554693] ? validate_xmit_skb+0x512/0xb00 [ 202.559075] ? lock_release+0xa40/0xa40 [ 202.563026] ? netif_skb_features+0x9b0/0x9b0 [ 202.567517] ? pfifo_fast_dequeue+0x39a/0xb00 [ 202.571983] ? trace_hardirqs_on+0xd/0x10 [ 202.576104] ? __local_bh_enable_ip+0x121/0x230 [ 202.580748] _raw_spin_lock+0x2a/0x40 [ 202.584530] ? sch_direct_xmit+0x361/0x1140 [ 202.588832] sch_direct_xmit+0x361/0x1140 [ 202.592960] ? pfifo_fast_peek+0x1c0/0x1c0 [ 202.597167] ? pfifo_fast_change_tx_queue_len+0xb80/0xb80 [ 202.602678] ? __lock_is_held+0xb6/0x140 [ 202.606717] __qdisc_run+0x57d/0x18e0 [ 202.610494] ? sch_direct_xmit+0x1140/0x1140 [ 202.614893] ? _raw_spin_unlock+0x22/0x30 [ 202.619020] ? pfifo_fast_enqueue+0x3aa/0x620 [ 202.623510] ? pfifo_fast_dequeue+0xb00/0xb00 [ 202.627979] __dev_queue_xmit+0xb8b/0x2fc0 [ 202.632188] ? netdev_pick_tx+0x2c0/0x2c0 [ 202.636310] ? find_held_lock+0x35/0x1d0 [ 202.640790] ? trace_hardirqs_off+0x10/0x10 [ 202.645090] ? print_irqtrace_events+0x270/0x270 [ 202.649835] ? find_held_lock+0x35/0x1d0 [ 202.653878] ? trace_hardirqs_off+0x10/0x10 [ 202.658177] ? ebt_do_table+0x17b3/0x1f40 [ 202.662296] ? lock_downgrade+0x980/0x980 [ 202.666419] ? __lock_is_held+0xb6/0x140 [ 202.670457] ? rcu_read_lock_held+0xa9/0xc0 [ 202.675377] ? br_nf_post_routing+0x494/0x1570 [ 202.679937] ? trace_hardirqs_off+0x10/0x10 [ 202.684247] ? br_nf_dev_queue_xmit+0x1690/0x1690 [ 202.689066] ? __local_bh_enable_ip+0x121/0x230 [ 202.693708] ? ebt_unregister_table+0x80/0x80 [ 202.698175] ? trace_hardirqs_on+0xd/0x10 [ 202.702311] ? find_held_lock+0x35/0x1d0 [ 202.706357] ? br_forward_finish+0x392/0x530 [ 202.710739] ? lock_downgrade+0x980/0x980 [ 202.714863] dev_queue_xmit+0x17/0x20 [ 202.718635] ? dev_queue_xmit+0x17/0x20 [ 202.722582] br_dev_queue_push_xmit+0x196/0x5a0 [ 202.727224] ? nf_hook_slow+0xd3/0x1a0 [ 202.731086] br_forward_finish+0xc8/0x530 [ 202.735206] ? br_dev_queue_push_xmit+0x5a0/0x5a0 [ 202.740028] ? ebt_in_hook+0x65/0x80 [ 202.743720] ? br_fdb_offloaded_set+0x90/0x90 [ 202.748189] ? nf_hook_slow+0xd3/0x1a0 [ 202.752050] __br_forward+0x533/0xc80 [ 202.755823] ? br_forward_finish+0x530/0x530 [ 202.760222] ? kfree_skbmem+0xe2/0x1d0 [ 202.764092] ? br_allowed_ingress+0x13c/0x16a0 [ 202.768658] ? dst_release+0x3a/0x90 [ 202.772353] ? br_dev_queue_push_xmit+0x5a0/0x5a0 [ 202.777178] ? br_multicast_count+0x7e/0x90 [ 202.781474] br_flood+0x665/0x770 [ 202.784905] ? br_forward+0x2f0/0x2f0 [ 202.788683] ? lock_release+0xa40/0xa40 [ 202.792635] ? __lock_is_held+0xb6/0x140 [ 202.796672] br_dev_xmit+0xa68/0x1550 [ 202.800448] ? br_poll_controller+0x10/0x10 [ 202.804743] ? __free_insn_slot+0x5c0/0x5c0 [ 202.809048] ? trace_hardirqs_off+0x10/0x10 [ 202.813345] ? dev_queue_xmit_nit+0x8af/0xc40 [ 202.817839] ? __lock_is_held+0xb6/0x140 [ 202.821884] dev_hard_start_xmit+0x24e/0xac0 [ 202.826269] ? validate_xmit_skb_list+0x120/0x120 [ 202.831092] ? netif_skb_features+0x5ff/0x9b0 [ 202.835561] ? dev_get_by_index_rcu+0x320/0x320 [ 202.840204] ? __skb_gso_segment+0x810/0x810 [ 202.844588] ? validate_xmit_xfrm+0xb8/0xd90 [ 202.848969] ? lock_acquire+0x1d5/0x580 [ 202.852916] ? __dev_queue_xmit+0x2fe/0x2fc0 [ 202.857297] ? validate_xmit_skb+0x512/0xb00 [ 202.861688] ? netif_skb_features+0x9b0/0x9b0 [ 202.866156] __dev_queue_xmit+0x26bf/0x2fc0 [ 202.870449] ? __lock_acquire+0x2bfd/0x3e00 [ 202.874741] ? __lock_acquire+0x2bfd/0x3e00 [ 202.879038] ? netdev_pick_tx+0x2c0/0x2c0 [ 202.883159] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 202.888327] ? trace_hardirqs_off+0x10/0x10 [ 202.892631] ? find_held_lock+0x35/0x1d0 [ 202.896668] ? print_irqtrace_events+0x270/0x270 [ 202.901398] ? print_irqtrace_events+0x270/0x270 [ 202.906124] ? lock_downgrade+0x980/0x980 [ 202.910253] ? __raise_softirq_irqoff+0x21c/0x2c0 [ 202.915067] ? raise_softirq+0x490/0x490 [ 202.919103] ? trace_hardirqs_off+0x10/0x10 [ 202.923396] ? enqueue_to_backlog+0x9b4/0xe30 [ 202.927862] ? __lock_acquire+0x664/0x3e00 [ 202.932065] ? trace_hardirqs_on+0xd/0x10 [ 202.936185] ? enqueue_to_backlog+0x2c4/0xe30 [ 202.940651] ? ktime_get_with_offset+0x2c1/0x420 [ 202.945382] ? print_irqtrace_events+0x270/0x270 [ 202.950123] ? ip_finish_output+0x864/0xd60 [ 202.954427] ? lock_downgrade+0x980/0x980 [ 202.958548] ? lock_release+0xa40/0xa40 [ 202.962497] ? mark_held_locks+0xaf/0x100 [ 202.966617] dev_queue_xmit+0x17/0x20 [ 202.970390] ? dev_queue_xmit+0x17/0x20 [ 202.974350] ip_finish_output2+0xf4d/0x1550 [ 202.978644] ? trace_hardirqs_off+0x10/0x10 [ 202.982939] ? dst_output+0x140/0x140 [ 202.986711] ? trace_hardirqs_off+0x10/0x10 [ 202.991011] ? ipv4_mtu+0x411/0x580 [ 202.994619] ? find_held_lock+0x35/0x1d0 [ 202.998653] ip_finish_output+0x864/0xd60 [ 203.002772] ? ip_finish_output+0x864/0xd60 [ 203.007068] ? ip_fragment.constprop.47+0x200/0x200 [ 203.012070] ? iptable_mangle_hook+0xaf/0x4a0 [ 203.016542] ? nf_hook_slow+0xd3/0x1a0 [ 203.020401] ip_mc_output+0x271/0x1350 [ 203.024266] ? ip_queue_xmit+0x1920/0x1920 [ 203.028473] ? lock_downgrade+0x980/0x980 [ 203.032602] ? nf_hook_slow+0xd3/0x1a0 [ 203.036461] ? __ip_local_out+0x52c/0xa30 [ 203.040582] ? ip_copy_addrs+0xe0/0xe0 [ 203.044444] ? skb_copy_ubufs+0x1910/0x1910 [ 203.048737] ? ip_fragment.constprop.47+0x200/0x200 [ 203.053725] ? __ip_select_ident+0x168/0x270 [ 203.058104] ? ip_idents_reserve+0x2a0/0x2a0 [ 203.062488] ip_local_out+0x95/0x160 [ 203.066175] iptunnel_xmit+0x556/0x810 [ 203.070035] ip_tunnel_xmit+0x177b/0x3550 [ 203.074155] ? __ip_rt_update_pmtu+0xa60/0xa60 [ 203.078709] ? ip_md_tunnel_xmit+0x14d0/0x14d0 [ 203.083263] ? lock_downgrade+0x980/0x980 [ 203.087402] ? pvclock_read_flags+0x160/0x160 [ 203.091870] ? mark_held_locks+0xaf/0x100 [ 203.096003] ? ktime_get_with_offset+0x188/0x420 [ 203.100736] ? kvm_clock_get_cycles+0x25/0x30 [ 203.105202] ? ktime_get+0x3a0/0x3a0 [ 203.108887] __gre_xmit+0x546/0x8b0 [ 203.112494] erspan_xmit+0x779/0x22a0 [ 203.116267] ? dev_queue_xmit_nit+0x8af/0xc40 [ 203.120734] ? gretap_fb_dev_create+0x250/0x250 [ 203.125377] ? __lock_is_held+0xb6/0x140 [ 203.129421] dev_hard_start_xmit+0x24e/0xac0 [ 203.133803] ? validate_xmit_skb_list+0x120/0x120 [ 203.138626] ? __skb_gso_segment+0x810/0x810 [ 203.143022] ? lock_acquire+0x1d5/0x580 [ 203.146970] ? lock_acquire+0x1d5/0x580 [ 203.150916] ? sch_direct_xmit+0x361/0x1140 [ 203.155229] ? validate_xmit_skb+0x512/0xb00 [ 203.159612] ? lock_release+0xa40/0xa40 [ 203.163558] ? netif_skb_features+0x9b0/0x9b0 [ 203.168027] ? pfifo_fast_dequeue+0x39a/0xb00 [ 203.172498] ? trace_hardirqs_on+0xd/0x10 [ 203.176620] ? __local_bh_enable_ip+0x121/0x230 [ 203.181263] sch_direct_xmit+0x40d/0x1140 [ 203.185383] ? pfifo_fast_peek+0x1c0/0x1c0 [ 203.189599] ? pfifo_fast_change_tx_queue_len+0xb80/0xb80 [ 203.195136] ? __lock_is_held+0xb6/0x140 [ 203.199176] __qdisc_run+0x57d/0x18e0 [ 203.202950] ? sch_direct_xmit+0x1140/0x1140 [ 203.207330] ? _raw_spin_unlock+0x22/0x30 [ 203.211451] ? pfifo_fast_enqueue+0x3aa/0x620 [ 203.215927] ? pfifo_fast_dequeue+0xb00/0xb00 [ 203.220501] __dev_queue_xmit+0xb8b/0x2fc0 [ 203.224719] ? netdev_pick_tx+0x2c0/0x2c0 [ 203.228839] ? find_held_lock+0x35/0x1d0 [ 203.232871] ? trace_hardirqs_off+0x10/0x10 [ 203.237165] ? print_irqtrace_events+0x270/0x270 [ 203.241899] ? find_held_lock+0x35/0x1d0 [ 203.245934] ? trace_hardirqs_off+0x10/0x10 [ 203.250239] ? ebt_do_table+0x17b3/0x1f40 [ 203.254357] ? lock_downgrade+0x980/0x980 [ 203.258480] ? __lock_is_held+0xb6/0x140 [ 203.262515] ? rcu_read_lock_held+0xa9/0xc0 [ 203.266807] ? br_nf_post_routing+0x494/0x1570 [ 203.271360] ? trace_hardirqs_off+0x10/0x10 [ 203.275649] ? br_nf_dev_queue_xmit+0x1690/0x1690 [ 203.280463] ? __local_bh_enable_ip+0x121/0x230 [ 203.285109] ? ebt_unregister_table+0x80/0x80 [ 203.289583] ? trace_hardirqs_on+0xd/0x10 [ 203.293703] ? find_held_lock+0x35/0x1d0 [ 203.297736] ? br_forward_finish+0x392/0x530 [ 203.302114] ? lock_downgrade+0x980/0x980 [ 203.306235] dev_queue_xmit+0x17/0x20 [ 203.310007] ? dev_queue_xmit+0x17/0x20 [ 203.313959] br_dev_queue_push_xmit+0x196/0x5a0 [ 203.318599] ? nf_hook_slow+0xd3/0x1a0 [ 203.322467] br_forward_finish+0xc8/0x530 [ 203.326598] ? br_dev_queue_push_xmit+0x5a0/0x5a0 [ 203.331412] ? ebt_in_hook+0x65/0x80 [ 203.335097] ? br_fdb_offloaded_set+0x90/0x90 [ 203.339561] ? nf_hook_slow+0xd3/0x1a0 [ 203.343418] __br_forward+0x533/0xc80 [ 203.347188] ? br_forward_finish+0x530/0x530 [ 203.351569] ? kfree_skbmem+0xe2/0x1d0 [ 203.355429] ? br_allowed_ingress+0x13c/0x16a0 [ 203.359985] ? dst_release+0x3a/0x90 [ 203.363671] ? br_dev_queue_push_xmit+0x5a0/0x5a0 [ 203.368488] ? br_multicast_count+0x7e/0x90 [ 203.372780] br_flood+0x665/0x770 [ 203.376219] ? br_forward+0x2f0/0x2f0 [ 203.379991] ? lock_release+0xa40/0xa40 [ 203.383939] ? __lock_is_held+0xb6/0x140 [ 203.387984] br_dev_xmit+0xa68/0x1550 [ 203.391768] ? br_poll_controller+0x10/0x10 [ 203.396061] ? print_irqtrace_events+0x270/0x270 [ 203.400788] ? trace_hardirqs_off+0x10/0x10 [ 203.405081] ? dev_queue_xmit_nit+0x8af/0xc40 [ 203.409550] ? __lock_is_held+0xb6/0x140 [ 203.413584] dev_hard_start_xmit+0x24e/0xac0 [ 203.417968] ? validate_xmit_skb_list+0x120/0x120 [ 203.422790] ? netif_skb_features+0x5ff/0x9b0 [ 203.427262] ? dev_get_by_index_rcu+0x320/0x320 [ 203.431905] ? __skb_gso_segment+0x810/0x810 [ 203.436296] ? validate_xmit_xfrm+0xb8/0xd90 [ 203.440676] ? lock_acquire+0x1d5/0x580 [ 203.444623] ? __dev_queue_xmit+0x2fe/0x2fc0 [ 203.449020] ? validate_xmit_skb+0x512/0xb00 [ 203.453405] ? netif_skb_features+0x9b0/0x9b0 [ 203.457875] __dev_queue_xmit+0x26bf/0x2fc0 [ 203.462181] ? netdev_pick_tx+0x2c0/0x2c0 [ 203.466303] ? arp_constructor+0x37a/0xc10 [ 203.470509] ? lock_downgrade+0x980/0x980 [ 203.474628] ? find_held_lock+0x35/0x1d0 [ 203.478660] ? __neigh_create+0x165e/0x1d90 [ 203.482952] ? lock_downgrade+0x980/0x980 [ 203.487070] ? mark_held_locks+0xaf/0x100 [ 203.491189] ? __local_bh_enable_ip+0x121/0x230 [ 203.495827] ? trace_hardirqs_off+0x10/0x10 [ 203.500118] ? __neigh_create+0x165e/0x1d90 [ 203.504416] ? trace_hardirqs_on+0xd/0x10 [ 203.508535] ? __local_bh_enable_ip+0x121/0x230 [ 203.513175] ? _raw_write_unlock_bh+0x30/0x40 [ 203.517644] ? __neigh_create+0xc0d/0x1d90 [ 203.521849] ? print_irqtrace_events+0x270/0x270 [ 203.526581] ? ip_finish_output2+0x91a/0x1550 [ 203.531047] ? lock_downgrade+0x980/0x980 [ 203.535165] ? lock_release+0xa40/0xa40 [ 203.539108] ? mark_held_locks+0xaf/0x100 [ 203.543237] ? memcpy+0x45/0x50 [ 203.546487] dev_queue_xmit+0x17/0x20 [ 203.550256] ? dev_queue_xmit+0x17/0x20 [ 203.554756] neigh_resolve_output+0x5e2/0xa00 [ 203.559229] ? ether_setup+0x2d0/0x2d0 [ 203.563100] ? __neigh_event_send+0x1040/0x1040 [ 203.567749] ? refcount_add+0x24/0x60 [ 203.571522] ip_finish_output2+0x91a/0x1550 [ 203.575821] ? ipt_do_table+0xe43/0x19b0 [ 203.579851] ? dst_output+0x140/0x140 [ 203.583622] ? trace_hardirqs_off+0x10/0x10 [ 203.587914] ? ipv4_mtu+0x411/0x580 [ 203.591515] ? __build_flow_key.constprop.51+0x630/0x630 [ 203.596937] ? find_held_lock+0x35/0x1d0 [ 203.600973] ip_finish_output+0x864/0xd60 [ 203.605092] ? ip_finish_output+0x864/0xd60 [ 203.609384] ? ip_fragment.constprop.47+0x200/0x200 [ 203.614378] ? iptable_mangle_hook+0xaf/0x4a0 [ 203.618844] ? nf_hook_slow+0xd3/0x1a0 [ 203.622709] ip_mc_output+0x271/0x1350 [ 203.626567] ? ip_queue_xmit+0x1920/0x1920 [ 203.630770] ? lock_downgrade+0x980/0x980 [ 203.634893] ? nf_hook_slow+0xd3/0x1a0 [ 203.638755] ? __ip_local_out+0x52c/0xa30 [ 203.642879] ? ip_copy_addrs+0xe0/0xe0 [ 203.646738] ? alloc_skb_with_frags+0x750/0x750 [ 203.651390] ? ip_fragment.constprop.47+0x200/0x200 [ 203.656380] ? __lock_is_held+0xb6/0x140 [ 203.660424] ip_local_out+0x95/0x160 [ 203.664110] ip_queue_xmit+0x8c0/0x1920 [ 203.668062] ? ip_build_and_send_pkt+0xc80/0xc80 [ 203.672791] ? sctp_csum_update+0x23/0x30 [ 203.676911] ? sctp_csum_combine+0x30/0x30 [ 203.681119] ? __skb_checksum+0x4a9/0x7e0 [ 203.685242] ? print_irqtrace_events+0x270/0x270 [ 203.689972] sctp_v4_xmit+0x108/0x140 [ 203.693746] sctp_packet_transmit+0x225e/0x3750 [ 203.698397] ? sctp_packet_config+0xc80/0xc80 [ 203.702863] ? trace_hardirqs_off+0x10/0x10 [ 203.707162] ? trace_hardirqs_off+0x10/0x10 [ 203.711451] ? print_irqtrace_events+0x270/0x270 [ 203.716182] ? find_held_lock+0x35/0x1d0 [ 203.720213] ? lock_downgrade+0x980/0x980 [ 203.724344] ? lock_release+0xa40/0xa40 [ 203.728295] ? __build_flow_key.constprop.51+0x630/0x630 [ 203.733720] ? __sctp_packet_append_chunk+0x4c9/0xd60 [ 203.738880] ? sctp_csum_update+0x30/0x30 [ 203.742998] ? sctp_packet_append_chunk+0xba0/0xba0 [ 203.747998] ? print_irqtrace_events+0x270/0x270 [ 203.752729] ? sctp_packet_init+0x25d/0x450 [ 203.757146] ? sctp_csum_combine+0x30/0x30 [ 203.761355] ? sctp_packet_release_owner+0x40/0x40 [ 203.766265] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.771424] ? lock_downgrade+0x980/0x980 [ 203.775546] sctp_outq_flush+0xabb/0x4060 [ 203.779665] ? __lock_acquire+0x664/0x3e00 [ 203.783873] ? sctp_check_transmitted+0x1da0/0x1da0 [ 203.788860] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 203.794029] ? is_bpf_text_address+0x7b/0x120 [ 203.798498] ? find_held_lock+0x35/0x1d0 [ 203.802531] ? depot_save_stack+0x2ca/0x460 [ 203.806824] ? lock_downgrade+0x980/0x980 [ 203.810940] ? lock_release+0xa40/0xa40 [ 203.814885] ? is_bpf_text_address+0xa4/0x120 [ 203.819349] ? kernel_text_address+0x102/0x140 [ 203.823902] ? do_raw_spin_trylock+0x190/0x190 [ 203.828456] ? unwind_get_return_address+0x61/0xa0 [ 203.833364] ? trace_hardirqs_off+0x10/0x10 [ 203.837656] ? trace_hardirqs_off+0xd/0x10 [ 203.841864] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 203.846939] ? depot_save_stack+0x2ca/0x460 [ 203.851236] ? find_held_lock+0x35/0x1d0 [ 203.855274] ? debug_object_activate+0x307/0x730 [ 203.860014] ? lock_downgrade+0x980/0x980 [ 203.864140] ? lock_release+0xa40/0xa40 [ 203.868087] ? print_irqtrace_events+0x270/0x270 [ 203.873263] ? add_timer+0x5a0/0x1450 [ 203.877045] ? lock_downgrade+0x980/0x980 [ 203.881174] ? debug_object_activate+0x307/0x730 [ 203.885902] ? _raw_spin_lock_irqsave+0x9e/0xc0 [ 203.890545] ? calc_wheel_index+0x13d/0x200 [ 203.894837] ? mark_held_locks+0xaf/0x100 [ 203.898962] ? _raw_spin_unlock_irqrestore+0x31/0xc0 [ 203.904037] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 203.909028] ? trace_hardirqs_on+0xd/0x10 [ 203.913150] ? add_timer+0x5a5/0x1450 [ 203.916921] ? mod_timer+0x13c0/0x13c0 [ 203.920783] ? sctp_init_cause+0x170/0x170 [ 203.924991] ? trace_hardirqs_off+0x10/0x10 [ 203.929291] ? is_bpf_text_address+0x7b/0x120 [ 203.933762] ? sctp_outq_tail+0x7b8/0xb40 [ 203.937882] ? print_irqtrace_events+0x270/0x270 [ 203.942609] ? sctp_outq_free+0x20/0x20 [ 203.946573] ? depot_save_stack+0x2ca/0x460 [ 203.950870] ? sctp_endpoint_new+0xee0/0xee0 [ 203.955253] sctp_outq_uncork+0x5a/0x70 [ 203.959200] sctp_do_sm+0x4e0/0x6ed0 [ 203.962888] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 203.967884] ? sctp_do_8_2_transport_strike.isra.15+0x8a0/0x8a0 [ 203.973919] ? save_stack+0xa3/0xd0 [ 203.977521] ? save_stack+0x43/0xd0 [ 203.981119] ? kasan_kmalloc+0xad/0xe0 [ 203.984980] ? kmem_cache_alloc_trace+0x136/0x740 [ 203.989795] ? sctp_stream_init_ext+0x50/0xf0 [ 203.994262] ? sctp_sendmsg+0x2cd7/0x35e0 [ 203.998388] ? inet_sendmsg+0x11f/0x5e0 [ 204.002343] ? sock_sendmsg+0xca/0x110 [ 204.006211] ? ___sys_sendmsg+0x767/0x8b0 [ 204.010329] ? __sys_sendmsg+0xe5/0x210 [ 204.014272] ? SyS_sendmsg+0x2d/0x50 [ 204.017958] ? do_syscall_64+0x281/0x940 [ 204.021993] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 204.027338] ? find_held_lock+0x35/0x1d0 [ 204.031370] ? print_irqtrace_events+0x270/0x270 [ 204.036111] ? trace_hardirqs_off+0x10/0x10 [ 204.040404] ? __lock_is_held+0xb6/0x140 [ 204.044441] ? __lock_is_held+0xb6/0x140 [ 204.048493] ? sctp_assoc_lookup_paddr+0xb0/0xb0 [ 204.053236] sctp_primitive_ASSOCIATE+0x9d/0xd0 [ 204.057887] sctp_sendmsg+0x13bd/0x35e0 [ 204.061834] ? trace_hardirqs_off+0x10/0x10 [ 204.066129] ? sctp_id2assoc+0x390/0x390 [ 204.070162] ? release_sock+0x1d4/0x2a0 [ 204.074106] ? lock_downgrade+0x980/0x980 [ 204.078225] ? lock_release+0xa40/0xa40 [ 204.082171] ? lock_acquire+0x1d5/0x580 [ 204.086115] ? lock_acquire+0x1d5/0x580 [ 204.090060] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 204.095048] ? release_sock+0x1d4/0x2a0 [ 204.098993] ? __local_bh_enable_ip+0x121/0x230 [ 204.103638] ? trace_hardirqs_on+0xd/0x10 [ 204.107758] ? __local_bh_enable_ip+0x121/0x230 [ 204.112417] inet_sendmsg+0x11f/0x5e0 [ 204.116207] ? inet_sendmsg+0x11f/0x5e0 [ 204.120169] ? copy_msghdr_from_user+0x3a6/0x590 [ 204.124913] ? inet_create+0xf50/0xf50 [ 204.128786] ? SYSC_sendto+0x5c0/0x5c0 [ 204.132663] ? security_socket_sendmsg+0x89/0xb0 [ 204.137420] ? inet_create+0xf50/0xf50 [ 204.141289] sock_sendmsg+0xca/0x110 [ 204.144982] ___sys_sendmsg+0x767/0x8b0 [ 204.148933] ? copy_msghdr_from_user+0x590/0x590 [ 204.153666] ? __schedule+0x903/0x1ec0 [ 204.157536] ? __sched_text_start+0x8/0x8 [ 204.161658] ? __fget_light+0x2b2/0x3c0 [ 204.165601] ? fget_raw+0x20/0x20 [ 204.169032] ? task_work_run+0x16c/0x270 [ 204.173066] ? lock_downgrade+0x980/0x980 [ 204.177186] ? mntput+0x66/0x90 [ 204.180443] __sys_sendmsg+0xe5/0x210 [ 204.184221] ? __sys_sendmsg+0xe5/0x210 [ 204.188168] ? SyS_shutdown+0x290/0x290 [ 204.192130] ? exit_to_usermode_loop+0x8c/0x2f0 [ 204.196793] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 204.202305] SyS_sendmsg+0x2d/0x50 [ 204.205818] ? __sys_sendmsg+0x210/0x210 [ 204.209851] do_syscall_64+0x281/0x940 [ 204.213708] ? __do_page_fault+0xc90/0xc90 [ 204.217915] ? _raw_spin_unlock_irq+0x27/0x70 [ 204.222383] ? finish_task_switch+0x1c1/0x7e0 [ 204.226850] ? syscall_return_slowpath+0x550/0x550 [ 204.231753] ? syscall_return_slowpath+0x2ac/0x550 [ 204.236655] ? prepare_exit_to_usermode+0x350/0x350 [ 204.241646] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 204.246985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.251804] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 204.256966] RIP: 0033:0x4548b9 [ 204.260127] RSP: 002b:00007f2f027acc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 204.267807] RAX: ffffffffffffffda RBX: 00007f2f027ad6d4 RCX: 00000000004548b9 [ 204.275050] RDX: 0000000000000040 RSI: 0000000020001f00 RDI: 0000000000000013 [ 204.282293] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 204.289542] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 204.296788] R13: 00000000000004e3 R14: 00000000006f95e8 R15: 0000000000000000