8ffc6f143507a6f2cdee3cb3e04c6125d1fb9e6fb5"}, {0x40, 0x196, 0x67, "a7bb0c16b5afe715cf58b6b5d7e8093fd6e324ee1033d9ed4920aebf5265584db7b7a1077d7aa3b80a4eb8c7"}, {0x38, 0x1ff, 0x8, "cd89fcd14037a898741604d07cf8d88da3a660fcc31a0fc285d9549dbbe08b65491f40bb40a3"}, {0x30, 0x11f, 0x6, "88930d1cd0cc78210522118c38e06825b8a3a3014a9318f7b263d9dc"}, {0x68, 0x103, 0x9, "9eb4dc716dcf630ea87b5906c718e5a672bacbddb82b67c5026a10d8b19f133979ebab055cc630340d50c94ca15eabb4a1c8f6007caa3853f086472f487ed9d658676d031d61afb5b4c5e52758103fad70bf2e58"}, {0x28, 0x0, 0x8866, "c350922d75bf1b671094312abb83786c61"}, {0x78, 0x18d, 0x7, "707231525a7fc043c4d1f926d6c6186d0beeba3bd030f7251c570c3d54e9a3fe44e325782d49a41035575578a296214946166e508ab5603b48ba7924f5df3603f730438f79268ddc043a6f43965407851cc01f2e1ac644d1f566c0b63596db7feb8f"}, {0x1010, 0x11f, 0x4, "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{0x110, 0x111, 0x870e, "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"}, {0x100, 0x84, 0x6, "932d15bccbc988b1220ffd21ca87db7667d8eb6c8492d901c250a7ab8ef6c13a6359e4f5b56a038c07f73d2f8a6b8559c4b7ae0e6c9e913099854c48d436d760d087cd4c906f680327cf02abf7a69f9d9b8e80e365bdca97edabbb630e57b9da219e97efe5cf0617aa53ade4a6d637d44e25adfae4eed6e541e090206ab9715edb6d939b69f9fa7996d9924b9a08b3c6fb16814d3355690a70d94e00ba731843779091ad4432f2c1586fa68998affec1df9f6ddc858510290918e1b418bf3e04269f9d45a8e9bf00cfe044de15118a54df40f5cd0e47c095401cf3c60c7bdc812bdbbaaedc0f0b271215f371"}], 0x14d0, 0x80}, 0x27780000}, {{0x0, 0x0, &(0x7f0000001d80)=[{&(0x7f0000001bc0)="eb786c3d9e1ff526c25843af378ffb2efe02d72d6805f32dc37f7bdcedb800c191df173b6a5e1a19e7965187360d152213aaa02d223fdc51e31f88043d9e6b15503eab12c745da444a5074207fb8ca202391cdc089c8c100e183c9865a2488563c673ab9a222469c4d174fa81c559dbf380df238787710a80a0192221d278beb3a9ed6ab2a95254568b416b29a1a7764ff09193afb00d731a40625b3454f7fdf67647d8d18fd005bc01929367b8a9207a76598dea656c836789b2f3051a4275779ebab66d187f3d8c8e4371d2c3f526997b585e77c6590876373e548e2ef4f73b439", 0xe2}, {&(0x7f0000001cc0)="ff66ee94b68ea57930d4bcba9e386c7ce2f154b9aaad8936f4ce5422716c0c67110b46fe6b2de44ec0cb9a28e0a6b9a8b191c756a1fa09b99b31ba3853ccd69098d853ee96c1265c018119393a6e6f11374c2d5d56c6afb9a867af989d86b9255b5ed84a10abefd56f978fc48790409f423d860cb2a2f6ea9f223ac0a8ec7e60ed9f858cc96a35ec95574653dd18dda2918e8fcb2e271811f8c3012cb5f94855915d6dc5130e8e9a1a5b561556bff79b62d9a492e3f9e4b038e7634c9b", 0xbd}], 0x2, &(0x7f0000001dc0)=[{0x58, 0x107, 0xde, "fb77860601181c98e165188ab016e236eea05e603fb97c3e45ad057eb3d983fe89ce2db1bffa8c7e81d7c79fca79febd5fbc22081460540f01fa815eed7c21753bea7c68ff50d380"}, {0xe8, 0x114, 0x9, "762eb77ce30c749e98eb9d6fe2a59a58edd1702eeb077fe8cb847c57ee67a280b2e81eaadf484fd66f4060fbd99adf10d04add20b6d08ea5613656576679f54725b417f09bedf2fa096c61edc2cf9cd87afb7dacf5a74aea92412cf2cac4bf7a7a3df3cedfbe37634965f5522e799b5139c28019e666e0cc480b454623a49518d832f5544701aca8766180ae4e1e0ee614d656266a956eae50e59b12cc388570a75402d2bee13d1eeee3571a6468030787de6996f3b383c82fec699363710c9f38dec0c0a43b62352f7c6733cc6c7ff626ad5198b8"}, {0xa0, 0x10d, 0x100000001, "b1c3e98bde52649376215fc53c430f602c41a501a71132cca055a24ef9f5184ed3db743a135613a0e5867cdcc6952239d4ab17341bcec086cdf1d1d87dd6ff72fa58b0b0bc9a832db90b17686d052645d8d73ae325a8dec9e953c4099f9a201cbf235cefdbd0873a35afe65e2093d28c41aba5b7f698e29024be49e708e5be01ed4955c0257bb3955ee85b20f69c8071"}, {0x48, 0x107, 0x0, "d4a4069811b2bfbacf630a32a248a4becf5346a2078c942e09fe3c113a56b5cda6839a8f7b82c86db8befcd4708263c74af83895"}, {0xb0, 0x11f, 0x6, "225629bab75f7c51bb635232ca2d635695782c906dacab20f6a72a159e51fa5e3d33bb2c5725408364a0bfc43443a7e2708e8a4cf7c2bd352e2605d7ae95e1b20af4957bc717dba9501212b02f39f4feeb2a384a8f86e4dd1b8011617f82b195e8f452bf0f9c1f829877627ef4d21f4f7a3599408d752e207ccd5a3646d35898d0a2ca5304d3cf2c09f06da0cfe10d7c88f1240610acdd9eda"}], 0x2d8, 0x44}, 0x400}], 0x4, 0x4) 2018/02/26 09:33:05 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) r1 = getuid() stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mknod$loop(&(0x7f0000000000)='./file0\x00', 0xe118, 0x0) syz_fuse_mount(&(0x7f0000000100)='./file0\x00', 0xe000, r1, r2, 0x0, 0x8000) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) 2018/02/26 09:33:05 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x4, 0x4) r1 = dup(r0) read$eventfd(r1, &(0x7f0000000000), 0xfffffffffffffe53) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:05 executing program 7: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x200000) ioctl$DRM_IOCTL_IRQ_BUSID(r0, 0xc0106403, &(0x7f0000000040)={0x2, 0x6, 0x1ff, 0xb6}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$sock_SIOCGIFBR(r2, 0x8940, &(0x7f0000000040)=@add_del={0x2, &(0x7f0000000000)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x100000000}) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r1, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:05 executing program 6: getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000040)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000000c0), &(0x7f0000000100)=0xc) r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(0xffffffffffffffff, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) ioctl$PPPIOCGMRU(0xffffffffffffffff, 0x80047453, &(0x7f0000000140)) 2018/02/26 09:33:05 executing program 6: gettid() fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000000000)) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000481ff7)='net/udp6\x00') r2 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r1, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:05 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000040)={@common='ip6_vti0\x00', @ifru_addrs={0x2, 0x2, @dev={0xac, 0x14, 0x0, 0xf}}}) 2018/02/26 09:33:05 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(0xffffffffffffffff, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:05 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000000)={0x0, 0x4}, &(0x7f0000000040)=0x8) r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f0000000000)=""/255) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:05 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = dup(r1) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x3, 0x2f, 0xffffffffffffff80, 0x8, 0x200}, &(0x7f0000000040)=0x14) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r2, 0x84, 0x5, &(0x7f0000000080)={r3, @in={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x13}}}}, 0x8c) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000080)={r3, @in6={{0xa, 0x0, 0x7, @mcast1={0xff, 0x1, [], 0x1}}}}, &(0x7f0000000140)=0x8c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$void(r1, 0x5451) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0xe9268d1f80ad78a4, 0x0) bind$nfc_llcp(r4, &(0x7f0000000040)={0x27, 0xfffffffffffffffe, 0x80000000000, 0x7, 0xba8, 0xffffffffffffd080, "8e823497536011a2cff75f8b672c976f2f75006578f7a6bea6983f90df246dc071576d9a672f48c9c3592eaa72cd46eb9364882143fce90fc8470a74175d22", 0x4}, 0x60) write(r0, &(0x7f0000000000)='n', 0x1) [ 95.334349] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:05 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) fstatfs(r0, &(0x7f0000000000)=""/221) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:05 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000000)={0x0, 0x200}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000080)={r1, 0x401, 0x10}, &(0x7f00000000c0)=0xc) 2018/02/26 09:33:05 executing program 4: r0 = socket$inet(0x2, 0x80004, 0x2000080000004) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) inotify_init1(0x80000) epoll_create(0x5) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000040)=@generic="f5b524ed1b379fa9cda742c798a7f7d2", 0x10) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:05 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet6_dccp_int(r2, 0x21, 0x5, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:05 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x981}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f00000000c0)={r2, 0x5, 0x67, "086b7bd0cc365d6b18444abafb61615608b47908d6c22c8512b4ac60d29d753da3bbe8bc3e77130c9a6865d7dc56ea579f64ea64a9d75c5430b35f3a0d93cd6edae242855563bada74e54ca19d5dc547debc80fbd4579fdbf88737ba517b7fe0e3739add783ace"}, 0x6f) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) recvmsg(r0, &(0x7f0000002680)={&(0x7f0000000280)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @dev}}}, 0x32, &(0x7f0000002600)=[{&(0x7f00000002c0)=""/4096, 0x1000}, {&(0x7f00000012c0)=""/239, 0xef}, {&(0x7f00000013c0)=""/4096, 0x1000}, {&(0x7f00000023c0)=""/30, 0x1e}, {&(0x7f0000002400)=""/219, 0xdb}, {&(0x7f0000002500)=""/209, 0xd1}], 0x6, 0x0, 0x0, 0x1}, 0x100) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f00000026c0)={0x0, 0x87, 0x3, 0x1, 0x3, 0x1, 0x81, 0x8, {0x0, @in={{0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1000, 0x80000000, 0x1, 0x10000, 0x1}}, &(0x7f0000002780)=0xb8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r4, 0x84, 0x1c, &(0x7f0000000140), &(0x7f0000000180)=0x4) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000027c0)={0x0, 0x7, 0x1, [0x5]}, &(0x7f0000002800)=0xa) setsockopt$netrom_NETROM_T2(r4, 0x103, 0x2, &(0x7f00000001c0), 0x4) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f0000000040)={r5, 0x5}, &(0x7f0000000080)=0xffffff96) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0)={r6, 0x7}, 0x8) 2018/02/26 09:33:05 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x40000, 0x0) getsockopt$llc_int(r2, 0x10c, 0x7, &(0x7f0000000040), &(0x7f0000000080)=0x4) listen(r1, 0x4000000000000) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 95.381933] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:05 executing program 6: r0 = memfd_create(&(0x7f0000000000)='\x00', 0x1) execveat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=[&(0x7f0000000040)='\x00'], &(0x7f0000000140)=[&(0x7f0000000100)='lowlan0.\x00'], 0x1000) r1 = accept$ax25(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)=0x10) fcntl$addseals(r1, 0x409, 0x4) r2 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r3 = socket$inet6(0xa, 0x2, 0x8fce) preadv(r1, &(0x7f0000000080)=[], 0x0, 0x0) bind$inet6(r3, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) r4 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) preadv(r2, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) sched_getscheduler(r5) ioctl$TIOCGWINSZ(r4, 0x5413, &(0x7f00000000c0)) 2018/02/26 09:33:05 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0x3d2}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) [ 95.427808] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(0xffffffffffffffff, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 0: socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000000)) r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket(0x10, 0x2, 0x100000000) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x0}) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000040)={r2, 0x1, 0x6, @empty}, 0x10) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x4) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x2000000000000) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) ioctl$EVIOCRMFF(r0, 0x40044581, &(0x7f0000000000)=0x9) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) setsockopt$inet6_MRT6_ADD_MFC(r1, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x2, 0x25, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, {0xa, 0x0, 0x5, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x8a}, 0xd2e, [0x3, 0x1ce7c7ca, 0x5, 0x7fffffff, 0x3, 0x5, 0x7, 0x1ff]}, 0x5c) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) pivot_root(&(0x7f0000000000)='./file1\x00', &(0x7f0000000040)='./file0\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x5, 0x3) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000000)={{0x2, 0x1, @loopback=0x7f000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xf}}, 0x20, {0x2, 0x2, @local={0xac, 0x14, 0x0, 0xaa}}, @common='gretap0\x00'}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x2000000002, 0xfffffffffffffbfe}, 0x2) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 3: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) ioctl$TIOCMSET(r0, 0x5418, &(0x7f0000000040)=0x4) r1 = socket$inet(0x2, 0x2, 0x0) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) pipe2(&(0x7f0000000000)={0x0}, 0x4800) ioctl$TIOCSBRK(r0, 0x5427) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) ioctl$TIOCLINUX2(r2, 0x541c, &(0x7f0000000040)={0x2, 0xef, 0x5, 0x0, 0x7f, 0x8}) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[], 0x0, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000000000)=0xff, 0x4) sendto(r0, &(0x7f0000000000)="c8", 0x1, 0x4008054, &(0x7f0000000040)=@ethernet={0x307, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x13}}, 0x10) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)=0x0) fcntl$setown(r0, 0x8, r1) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000000)=0x2, 0x4) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1d, &(0x7f0000000040)=""/4096, &(0x7f0000001040)=0x1000) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f00000012c0)=[{&(0x7f00000010c0)=""/4, 0x4}, {&(0x7f0000001100)=""/252, 0xfc}, {&(0x7f0000001200)=""/81, 0x51}, {&(0x7f0000001280)=""/18, 0x12}], 0x4, 0x0) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x800, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x2, @empty}, 0xe3) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) getsockopt$inet_opts(r0, 0x0, 0x9, &(0x7f0000000000)=""/24, &(0x7f0000000040)=0x18) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) [ 95.629384] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = memfd_create(&(0x7f0000000000)='wlan1\x00', 0x2) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) utimensat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={{}, {r1, r2/1000+30000}}, 0x100) r3 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r3}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000040)) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) utime(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x8, 0x80}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/udp6\x00') ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f0000000040)) r1 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r2 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0x1000, "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"}, &(0x7f0000001040)=0x1008) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000000)={r3, 0x8001, 0x20}, &(0x7f0000000040)=0xc) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f0000000080)={r4, @in6={{0xa, 0x3, 0x9, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x3}}, 0x8, 0x4, 0x30c, 0x7f, 0x4}, &(0x7f0000000140)=0xa0) preadv(r1, &(0x7f00000012c0)=[{&(0x7f0000000140)=""/66, 0x42}, {&(0x7f0000001300)=""/111, 0x6f}, {&(0x7f0000000240)=""/4096, 0xffffffb2}, {&(0x7f0000001240)=""/76, 0x4c}], 0x4, 0x0) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000001c0)=ANY=[@ANYRES32=r4, @ANYBLOB="0010060001000100820000000000f60da5fab32d556d5766b82edba8c93565be9fd8f448ff0a6d248167863a7cede59667d69d12910c726eb025ca7f390074094e26ae84fc6297a095dcab4a6fcaaa3b354c7412813d8545b67e9af57a9808fc0d3577d635673f75081394b20a58e99c2ffcac9209f6b463bbf15a312e0100000000000000ac91459c295e7ee7bda4b29cc55042b1b21c058d08d53818b38cc288153dbc4cfab2823a61a04f65fec5"], 0x14) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) getsockname(r1, &(0x7f0000000000)=@alg, &(0x7f0000000080)=0x58) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) shutdown(r1, 0x4000000) 2018/02/26 09:33:06 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) r1 = request_key(&(0x7f0000000000)='asymmetric\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)=')vmnet1@#vmnet0keyring#posix_acl_access\x00', 0x0) r2 = add_key(&(0x7f00000000c0)='cifs.idmap\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$link(0x8, r1, r2) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) sendfile(r1, r0, &(0x7f0000000000), 0x7) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 2: execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000000180)=[], &(0x7f00000000c0)=[&(0x7f0000000000)='ppp0$selfvmnet1wlan1+proc\x00', &(0x7f0000000040)='+)\x00', &(0x7f0000000100)='}/ppp1\x00']) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000000080)='./file0\x00', 0x26102, 0x0) [ 95.704324] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 95.739255] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$sock_int(r1, 0x1, 0x9, &(0x7f0000000040)=0x6, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r2, 0xc058534b, &(0x7f0000000080)={0x10000, 0x0, 0x4e76, 0xfffffffffffffb40, 0x109, 0x5}) ioctl$KDGKBDIACR(r2, 0x4b4a, &(0x7f0000000100)) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x5) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r2 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x640302, 0x0) mq_notify(r2, &(0x7f0000001080)={0x0, 0x20, 0x0, @thr={&(0x7f0000000040)="39ab627288a495c54fae16fa11695d453de0978c54a953400f3477616c3e40e02e5d3ef61a", &(0x7f0000000080)="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"}}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x400000, 0x0) getpeername$netrom(r3, &(0x7f0000000040)=@ax25, &(0x7f0000000080)=0x10) accept4$packet(r2, &(0x7f0000001100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000001140)=0x14, 0x80000) ioctl$sock_inet6_SIOCSIFADDR(r3, 0x8916, &(0x7f0000001180)={@remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x81, r4}) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0x1d, 0x4) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x480b, @dev={0xfe, 0x80, [], 0x0, 0x17}, 0x6}}, 0x800, 0x1}, &(0x7f00000000c0)=0x98) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000100)={r2, 0xaba3}, &(0x7f0000000140)=0x8) preadv(r1, &(0x7f00000001c0)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000000)={0x0, 0x1, 0x5, [0x7fff, 0xff, 0x8, 0x1, 0x8]}, &(0x7f0000000040)=0x12) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000080)={r1, 0x9}, &(0x7f00000000c0)=0x8) 2018/02/26 09:33:06 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000004, 0x4) r1 = socket$unix(0x1, 0x3, 0x0) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) recvfrom$unix(r1, &(0x7f0000000040)=""/238, 0xee, 0x40000100, &(0x7f0000000140)=@file={0x1, './file0\x00'}, 0xa) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x3, &(0x7f0000000080)={0x2, 0x1, @empty}, 0x3) 2018/02/26 09:33:06 executing program 0: r0 = socket$inet(0x2, 0x80a, 0xc18) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = socket(0xb, 0x1, 0x1) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000000)=@req={0x2, 0x10000, 0x9, 0x4}, 0x10) getsockname$ax25(r2, &(0x7f0000000040), &(0x7f0000000080)=0x10) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 5: r0 = accept4$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000040)=0x1c, 0x800) getsockname(r0, &(0x7f0000000080)=@in={0x0, 0xffffffffffffffff, @broadcast}, &(0x7f00000000c0)=0x10) mkdir(&(0x7f0000000100)='./file0\x00', 0x1000000000) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = getpgrp(0xffffffffffffffff) r2 = syz_open_procfs(r1, &(0x7f0000000100)='fdinfo\x00') poll(&(0x7f0000856ff0)=[{r2}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) r1 = syz_open_procfs(r0, &(0x7f0000000080)="6d6f036e747300") poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) accept4$ipx(r1, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x0) 2018/02/26 09:33:06 executing program 6: pipe2(&(0x7f0000000040)={0x0, 0x0}, 0x800) getsockname$inet(r0, &(0x7f0000000080)={0x0, 0xffffffffffffffff, @remote}, &(0x7f00000000c0)=0x10) r1 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x81}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000140)={r2, 0x1}, 0x8) r3 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r1, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) mmap$binder(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x8, 0x10, r2, 0x0) recvfrom$inet6(r2, &(0x7f0000000080)=""/237, 0xed, 0x12062, 0x0, 0x0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x400, 0x4) recvmmsg(r1, &(0x7f0000000ec0)=[{{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000080)=""/125, 0x7d}, {&(0x7f0000000100)=""/69, 0x45}, {&(0x7f0000000180)=""/179, 0xb3}, {&(0x7f0000000240)=""/255, 0xff}, {&(0x7f0000000340)=""/161, 0xa1}, {&(0x7f0000000400)=""/200, 0xc8}, {&(0x7f0000000500)=""/78, 0x4e}, {&(0x7f0000000580)=""/195, 0xc3}, {&(0x7f0000000680)=""/158, 0x9e}], 0x9, 0x0, 0x0, 0x8001}, 0x7fff}, {{0x0, 0x0, &(0x7f0000000a80)=[{&(0x7f0000000800)=""/220, 0xdc}, {&(0x7f0000000900)=""/114, 0x72}, {&(0x7f0000000980)=""/99, 0x63}, {&(0x7f0000000a00)=""/107, 0x6b}], 0x4, &(0x7f0000000ac0)=""/146, 0x92, 0x7eb}, 0x1}, {{&(0x7f0000000b80)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast1}}}, 0x3a, &(0x7f0000000c40)=[{&(0x7f0000000bc0)=""/112, 0x70}], 0x1, 0x0, 0x0, 0x9}, 0x10000}, {{&(0x7f0000000c80)=@nfc, 0x10, &(0x7f0000000d40)=[{&(0x7f0000000cc0)=""/73, 0x49}], 0x1, &(0x7f0000000d80)=""/109, 0x6d, 0xd2}, 0x17fe}, {{&(0x7f0000000e00)=@ax25, 0x10, &(0x7f0000000e80)=[{&(0x7f0000000e40)=""/24, 0x18}], 0x1}, 0x1}], 0x5, 0x10000, 0x0) 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x80, 0x11) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000040)={{0x2, 0x2, @loopback=0x7f000001}, {0x306, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x4, {0x2, 0x2, @rand_addr=0x9}, @generic="468598755bcb73dd3c3f9773eb9cb2d5"}) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000100)=0x4) times(&(0x7f0000000140)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x9, 0x400000) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000040)={0x5, 0x5, 0x4, 0xffffffffffffffff, 0x4, 0x5, 0x81, 0x20, 0x0}, &(0x7f0000000080)=0x20) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f00000000c0)={r1, 0x62, "cddfe8c80ddfb50beeb9439c736c624011242c58de143f852c758f41967c029a0aa3c17eb9611bfb6c3cd51de758e307ed3072bf1690d9365166f468fa02394ce1cc5be3992651c6f26ad918caa7148018b987d7e1ff6927eb8c0b7979ccddca0f70"}, &(0x7f0000000140)=0x6a) r2 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x0) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r2, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040)=@generic="e112aafb82ca00b63b30d2330b186d46", 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x0) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000000000)='./file0\x00', 0x26102, 0x12) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 6: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000100)=0x9, 0x4) r1 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r2 = socket$inet6(0xa, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f00000003c0)=@broute={'broute\x00', 0x20, 0x3, 0x380, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000040], 0x0, &(0x7f0000000000), &(0x7f0000000040)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x1, [{{{0x9, 0x20, 0x88ff, @syzn={0x73, 0x79, 0x7a, 0x0}, @syzn={0x73, 0x79, 0x7a, 0x0}, @common='ip6tnl0\x00', @common='vlan0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, [0xff, 0xff, 0x0, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x12}, [0xff, 0xff, 0x0, 0x0, 0xff, 0xff], 0x70, 0xb8, 0xf0, []}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz1\x00', 0x7, 0x101, 0x9}}}]}, @common=@mark={'mark\x00', 0x10, {{0x0, 0xfffffffffffffffe}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x2, [{{{0x0, 0x2, 0x0, @generic="7d8fdd39fade71194984d5bfdbae2746", @syzn={0x73, 0x79, 0x7a, 0x0}, @generic="9a56b46a3e96ac0d7d7e6a569cffe74f", @generic="b93af973051cee34b800ba4acb5b2e74", @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}, [0xff, 0xff, 0xff, 0x0, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0xff, 0xff, 0xff, 0x0, 0x84809822a1073d88, 0xff], 0x70, 0x70, 0xb8, []}, []}, @common=@RATEEST={'RATEEST\x00', 0x20, {{'syz1\x00', 0x2, 0xff}}}}, {{{0x5, 0x20, 0x8e47, @common='gre0\x00', @generic="61de44bd038bad32317706c6f24167b2", @generic="25e0a1fcb9a8e8e193aea4b3a927db9c", @generic="8828146c3e7578806a16ebd618363bb3", @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, [0x0, 0x0, 0x0, 0xff, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, [0x0, 0x0, 0xff, 0xff, 0xff], 0x70, 0xe8, 0x118, []}, [@common=@nflog={'nflog\x00', 0x50, {{0x40, 0x3f, 0xfff, 0x0, 0x0, "381c6d3466e4b1c350fc01e51a898005cbcab40ccc94caddc0270df0167838c77dcc6e3701db70b2e735d7a75e386b368119fece1a70208c81b18172e0eb5b56"}}}]}, @common=@CLASSIFY={'CLASSIFY\x00', 0x8, {{0x960}}}}]}, {0x0, '\x00', 0x3, 0xfffffffffffffffc, 0x0, []}, {0x0, '\x00', 0x3, 0xffffffffffffffff, 0x0, []}]}, 0x3f8) bind$inet6(r2, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r1, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, &(0x7f0000000200)={0x1, &(0x7f0000000040)=""/152, &(0x7f00000001c0)=[{0x0, 0x84, 0x6339, &(0x7f0000000100)=""/132}]}) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}, 0x1}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 96.019746] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 96.068400] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x1, 0x4) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000040)={0x4, 0x0, 0x10001}) ioctl$DRM_IOCTL_SG_ALLOC(0xffffffffffffffff, 0xc0106438, &(0x7f0000000080)={0x1f, r1}) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/fib_triestat\x00') ioctl$EVIOCSABS0(r2, 0x401845c0, &(0x7f00000000c0)={0x6, 0xffffffff, 0x643, 0x4, 0x4, 0x3ff}) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000100)={0x0, 0x2, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r4 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x4, 0x30003) getsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000000340)={@remote, @loopback, 0x0}, &(0x7f0000000380)=0xc) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r4, 0x40bc5311, &(0x7f0000000140)={0x6, 0x0, 'client0\x00', 0xffffffff80000007, "4a4f0edfa35953ad", "c6d0928f5067e2add9fa2e9264a653ddcda6b746e0f081f6475baf3eaad59db4", 0x9, 0x766}) ioctl$TUNDETACHFILTER(r4, 0x401054d6, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x27, &(0x7f0000000100)={@multicast2=0xe0000002, @multicast1=0xe0000001, r5}, 0xc) ioctl$TIOCMBIS(r4, 0x5416, &(0x7f0000000080)=0x8) 2018/02/26 09:33:06 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) listxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/76, 0x4c) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f0000000080)=0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) ioctl$sock_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r2 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x0) ioctl$KDSIGACCEPT(r2, 0x4b4e, 0x1b) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = dup(r0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000000)="1cc2f89b3e947c6b039e90fd9cf31de684b16bd35de758dd9e54bf4112477cd295debe1491f8ed40d3e6b5ada7aaf828cadfe04c6c7a4713bb817b5bb014ee42fcf4dca9cf6dc117a2421620043bee97ac7447ff9502e45601e0fa0d3b6905eeb4b19620efcaf76fd36cf6b47bd3eaa6f48b52811b9ad77df8092062b24228eb75cddab55743caad5e43380218bab005d99789e628b0f408e664d9c9e5cb1812e69cdd4e5738dc3bf9a68218") r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_sigqueueinfo(r3, 0x35, &(0x7f0000000100)={0x22, 0x1, 0x20, 0xfff}) 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) getpeername$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000080), &(0x7f00000000c0)=0x8) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000000140)=[&(0x7f0000000100)='\x00'], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x688) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) poll(&(0x7f0000856ff0)=[{0xffffffffffffffff}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000000040)='.', &(0x7f0000000000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x1, 0x4) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:06 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 96.170289] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x42000) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x2, 0x6) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000003, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7, 0xfffffffffffffffe}, 0x4) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) getsockopt$netlink(r2, 0x10e, 0xa, &(0x7f0000000080)=""/162, &(0x7f0000000140)=0xa2) sendto$inet(r0, &(0x7f0000000040)="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", 0x129, 0xfffffffffffffffc, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getresuid(&(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000200)) fchdir(r1) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vga_arbiter\x00', 0x200, 0x0) setsockopt$inet6_group_source_req(r3, 0x29, 0x2e, &(0x7f0000000280)={0x7, {{0xa, 0x3, 0x1a0000000000000, @empty, 0x9}}, {{0xa, 0x1, 0x7f, @mcast2={0xff, 0x2, [], 0x1}, 0x2}}}, 0xfffffedd) 2018/02/26 09:33:06 executing program 6: r0 = socket$inet(0x2, 0x80a, 0xc18) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = socket(0xb, 0x1, 0x1) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000000)=@req={0x2, 0x10000, 0x9, 0x4}, 0x10) getsockname$ax25(r2, &(0x7f0000000040), &(0x7f0000000080)=0x10) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000040)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7, 0x8000}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[], 0x0, 0x9c) sigaltstack(&(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000040)=0xc) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000), 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 96.267029] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f0000000000)="3cbbd8a13233635a48bae7e6b0874b7f8f1451d363bb2dff070b8dc9cc56fe631d63796a764c30d6397ee693cfada5fa7ce12e94db5cc9e9d20449e563b1b425fd069ba46afccbe3260dc4d6ea553b6a968fa5daccca6af7d0ce3ae3d8458de12817195e1c8efed8") mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r0, 0x54a3) r1 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r1, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) getpeername$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x14) setsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f0000000080)={@loopback={0x0, 0x1}, r2}, 0x14) write(r0, &(0x7f0000000000)='n', 0x1) [ 96.357956] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:06 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$inet_udp_int(r0, 0x11, 0x64, &(0x7f0000000000), &(0x7f0000000040)=0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/status\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f00000000c0), 0x4) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:06 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) ioctl(r0, 0x8001, &(0x7f0000000000)="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") open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:06 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) fchmod(r1, 0x8) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:06 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) tee(r0, r0, 0x81, 0x2) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getsockopt$packet_buf(r1, 0x107, 0x0, &(0x7f0000000040)=""/7, &(0x7f0000000040)=0x7) sendto$inet(r0, &(0x7f0000865000), 0x1027d, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0xffffffffffffff13) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x20) ioctl$sock_ipx_SIOCGIFADDR(r2, 0x8915, &(0x7f00000000c0)={"720dacee1f7ae25adcc703ddd312f076", {0x4, 0xe000000000, 0x81, "63c39d26fc1e", 0x5}}) 2018/02/26 09:33:06 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) getpeername$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x14) setsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f0000000080)={@loopback={0x0, 0x1}, r2}, 0x14) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:06 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000), 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:06 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000), &(0x7f0000000040)=0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r0, 0x1) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000001740)='/selinux/avc/hash_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000001780)=@assoc_value, &(0x7f00000017c0)=0x8) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000000)) write(r1, &(0x7f0000000000)='n', 0xfffffffffffffdfd) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x1) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000040)="f53fa8741e06584f7f39f07310000411c3c3c26964d9e4d85e00cffe7b686013b5ce6bbbc9166136ecae38523af495d7fedce4255e643dbaa7c9cb20620c6009b3477e0aaec522d5404446899fbe40b2e101b2", 0x53) [ 96.470190] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. [ 96.474750] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_ADD(r0, 0x4c80, r1) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mknod(&(0x7f0000000000)='./file0\x00', 0x3, 0x0) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000), 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x42000) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 96.536812] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 96.572729] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord\x00', 0x80000, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x3, @dev={0xac, 0x14, 0x0, 0xe}}, @in6={0xa, 0x1, 0x5, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x8001}], 0x2c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x80003, 0xffffffffffffffff) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000000)={0x0}) setsockopt$packet_rx_ring(r1, 0x107, 0x5, &(0x7f0000000040)=@req3={0xffffffff, 0x6, 0x8, 0x0, 0x4, 0xfff, 0xf4}, 0x1c) r2 = socket$packet(0x11, 0x10000000000002, 0x300) fstat(r0, &(0x7f0000000000)) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000080)={0x0}) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f00000000c0)={@empty}, &(0x7f0000000100)=0x14) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x4, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) epoll_create1(0x80000) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2, 0x10, 0x3b5f8a59, 0x7, 0x9, 0x0, 0x3, 0x0, [@sadb_sa={0x2, 0x1, 0x1, 0x7fff, 0x100000001, 0xad, 0x3, 0xc0000000}, @sadb_address={0x5, 0x7, 0x3f, 0x80, 0x0, @in6={0xa, 0x1, 0x4, @loopback={0x0, 0x1}, 0x962}}]}, 0x48}, 0x1}, 0x85) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mkdir(&(0x7f0000000000)='./file0\x00', 0x191) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000), 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x0, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) socketpair(0x1b, 0x80000, 0x3, &(0x7f0000000040)={0x0}) ioctl$KDSETMODE(r2, 0x4b3a, 0x9) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x1) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000040)="f53fa8741e06584f7f39f07310000411c3c3c26964d9e4d85e00cffe7b686013b5ce6bbbc9166136ecae38523af495d7fedce4255e643dbaa7c9cb20620c6009b3477e0aaec522d5404446899fbe40b2e101b2", 0x53) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x0, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 96.734815] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000000)={{0x2, 0x1, @multicast2=0xe0000002}, {0x0, @random="a4b60045d73c"}, 0x20, {0x2, 0x3, @broadcast=0xffffffff}, @common='gre0\x00'}) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000000)={0x1, 0x1, [@empty]}) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x3, 0xfffffffffffffffc, @empty, 0x1}, 0x16) listen(r1, 0x0) sendto$inet6(r0, &(0x7f00000001c0)="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", 0x0, 0x48040, &(0x7f0000000080)={0xa, 0x2, 0x9800, @remote={0xfe, 0x80, [], 0x0, 0xbb}}, 0xfffffffffffffc37) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0x0, 0x0}) r3 = add_key(&(0x7f0000000040)='id_legacy\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000000c0)="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", 0x1000, 0xfffffffffffffffe) keyctl$read(0xb, r3, &(0x7f00000010c0)=""/91, 0x5b) sendto$unix(r2, &(0x7f0000000040)="899241adcf5b251722847eba3ad2f884e1522c5b8d1abb1ffd2cd4d13acf45a4fec4a23c1f7037186b91fc91ba6983ad72a26a07fc49f3e7c83f9242d91d5c7dbb929b837d04811dbbd7895fcd978471aeab5364862557f21e57f0b04010849ad17eb47041f66a02610459fc29fd41974a80e425893076f9276c2d4b5bef948506656bf98fc45bb3efa0ea35145bbdb9f9293d36a7475fa52f2814516e78bb5645e3783569db9ae0bb9850940fb9", 0xae, 0x20000000, &(0x7f0000000100)=@abs={0x1, 0x0, 0x0}, 0x8) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord\x00', 0x80000, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f00000000c0)=[@in={0x2, 0x3, @dev={0xac, 0x14, 0x0, 0xe}}, @in6={0xa, 0x1, 0x5, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x8001}], 0x2c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 96.796658] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0x2) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0x0}) getpeername$packet(0xffffffffffffff9c, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000002c0)=0x14) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f00000003c0)={{{@in6=@remote={0xfe, 0x80, [], 0x0, 0xbb}, @in6=@empty, 0x0, 0x0, 0x3, 0x2, 0xa, 0x20, 0xa0, 0xff, r3, r4}, {0x101, 0xc3, 0x7ec, 0x8001, 0xfff, 0xfff, 0x7b641260, 0x9}, {0x6, 0x4, 0xffff, 0x820}, 0x9, 0xd, 0x3, 0x1, 0x3, 0x1}, {{@in6=@mcast2={0xff, 0x2, [], 0x1}, 0x0, 0xff}, 0xa, @in=@multicast1=0xe0000001, 0x6, 0x4, 0x1, 0x1, 0x5, 0x7, 0xfffffffffffffffe}}, 0xe8) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r5 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x101082, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r5, 0x28, 0x2, &(0x7f0000000100)=0x1, 0x8) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x1, @empty}, 0xffffffffffffff7a) syz_emit_ethernet(0x423, &(0x7f000018f000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x415, 0xffffffffffffffff, 0x0, 0x0, 0x200000000000011, 0x0, @rand_addr, @multicast1=0xe0000001, {[]}}, @dccp={{0xffffffffffffffff, 0x1, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "d70502", 0x0, "f53475"}, "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"}}}}}, 0x0) recvmsg(r1, &(0x7f0000000000)={&(0x7f0000615fda)=@pppol2tp={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @dev}}}, 0x26, &(0x7f0000f9a000)=[], 0x0, &(0x7f0000000140)=""/132, 0x84}, 0x2) sendto$inet(r1, &(0x7f000029b000), 0x287, 0x0, &(0x7f0000778000)={0x2, 0x1, @loopback=0x7f000001}, 0x10) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$inet_dccp_int(r0, 0x21, 0x4, &(0x7f0000000040)=0xfffffffffffffffc, 0x4) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f0000000080)) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x3, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000), &(0x7f0000000040)=0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) [ 96.841158] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. [ 96.872465] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x0, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = dup(r0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000000)="1cc2f89b3e947c6b039e90fd9cf31de684b16bd35de758dd9e54bf4112477cd295debe1491f8ed40d3e6b5ada7aaf828cadfe04c6c7a4713bb817b5bb014ee42fcf4dca9cf6dc117a2421620043bee97ac7447ff9502e45601e0fa0d3b6905eeb4b19620efcaf76fd36cf6b47bd3eaa6f48b52811b9ad77df8092062b24228eb75cddab55743caad5e43380218bab005d99789e628b0f408e664d9c9e5cb1812e69cdd4e5738dc3bf9a68218") r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_sigqueueinfo(r3, 0x35, &(0x7f0000000100)={0x22, 0x1, 0x20, 0xfff}) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2001, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x400, 0x0) ioctl$ASHMEM_SET_NAME(r2, 0x41007701, &(0x7f0000000080)='cpusetwlan1\x00') sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x202000, 0x0) setsockopt$inet_dccp_buf(r2, 0x21, 0xd, &(0x7f0000000080)="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", 0x1000) accept(r1, &(0x7f0000001140)=@can={0x0, 0x0}, &(0x7f0000001180)=0x10) getresuid(&(0x7f00000011c0), &(0x7f0000001200)=0x0, &(0x7f0000001240)) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000001280)={{{@in=@rand_addr, @in=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in=@remote}}, &(0x7f0000001380)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000013c0)={{{@in=@local, @in6=@ipv4={[], [], @multicast1}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@local}}, &(0x7f00000014c0)=0xe8) sendmsg$nl_xfrm(r2, &(0x7f0000001800)={&(0x7f0000001080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000017c0)={&(0x7f0000001500)=@acquire={0x2a8, 0x17, 0x202, 0x5, 0x0, {{@in6=@remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x0}, @in=@dev={0xac, 0x14, 0x0, 0x17}, {@in=@empty, @in6=@loopback={0x0, 0x1}, 0x3, 0x5910549b, 0x0, 0xbc, 0xa, 0xa0, 0x20, 0x2b, r3, r4}, {{@in6=@loopback={0x0, 0x1}, @in=@multicast2=0xe0000002, 0x3, 0x6, 0x3, 0x20, 0xa, 0x20, 0xa0, 0x3c, r5, r6}, {0x2, 0x4, 0x8001, 0x6, 0x25e, 0x1, 0x81, 0xff}, {0x3, 0x2, 0x5, 0xfffffffffffffff8}, 0x3, 0xffffffffffffffff, 0x2, 0x0, 0x3}, 0x40, 0x5, 0x8, 0x7}, [@tfcpad={0x8, 0x16, 0x7ff}, @sec_ctx={0xe8, 0x8, {0xe1, 0x8, 0x1, 0xffffffffffffff67, 0xd9, "621cfa99390d9196d6832a5bf2e0f42ef17fa84504cfd2e02a4a031cce32e81b62417d25801f733f86bbee445be86479cba106db124f611412fb0cc13336ef205d1727a462f5eb95171532fb0d85c13e0a56c19da7803bbf696f67a041cbfa3e18b0cf82a105c50af6fc42de81593df8562022487f925234faa9bd04df9136ccaa521de404164f94488ca47c170244009e87293d1fd37b19fc7cb954c55beb0ab5baf7b156957482fd58a015a74cb8eb3e08fe7125333752e2a32f54bff20b123615630b3066a848a771a2b1116c2ee7f83e0de0b8f1427ce7"}}, @migrate={0x88, 0x11, [{@in=@broadcast=0xffffffff, @in=@broadcast=0xffffffff, 0x32, 0x0, 0x0, 0xffffffffffffffff, 0xa, 0xa}, {@in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@local={0xac, 0x14, 0x0, 0xaa}, 0xff, 0x0, 0x0, 0x5, 0x2, 0xa}, {@in=@remote={0xac, 0x14, 0x0, 0xbb}, @in6=@loopback={0x0, 0x1}, 0x0, 0x1, 0x0, 0x4, 0xa, 0xa}]}, @ipv6_hthresh={0x8, 0x4, {0x73, 0x5}}]}, 0x2a8}, 0x1, 0x0, 0x0, 0x800}, 0x4040) 2018/02/26 09:33:07 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x400, 0x8) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000040)=0x0) ptrace$poke(0x4, r2, &(0x7f0000000040), 0x5) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f00000000c0)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000100)="726107000000000000000d5bf3165f243871db9d93fc3a487f8fed2e43c257ac04a04c30f102cb4f971c3dd6745ad29a6d206a85a6de7bf37ae36eeeb2008d12ea53e5cc7d88f617499023cd6b32bc64f778a44afd9b3e933db3aa0639b6159e876293387b107bf098da", 0x0, &(0x7f0000000240)="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") poll(&(0x7f0000856ff0)=[{0xffffffffffffffff}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) getsockopt$ax25_int(r0, 0x101, 0xa, &(0x7f0000000080), &(0x7f0000000180)=0x4) r3 = getpgrp(0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) wait4(r3, 0x0, 0xa, 0x0) fsetxattr(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="6f7378f966"], &(0x7f0000000040)='proc^md5sumposix_acl_access\x00', 0x1c, 0x3) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x800, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={@common='vlan0\x00', @ifru_ivalue=0x2}) getpeername$ax25(r2, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$VT_WAITACTIVE(r2, 0x5607) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$sock_int(r1, 0x1, 0x9, &(0x7f0000000040)=0x6, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r2, 0xc058534b, &(0x7f0000000080)={0x10000, 0x0, 0x4e76, 0xfffffffffffffb40, 0x109, 0x5}) ioctl$KDGKBDIACR(r2, 0x4b4a, &(0x7f0000000100)) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) socketpair(0x1d, 0xe, 0xafe, &(0x7f0000000000)={0x0}) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000040)={0x51, 0x1ff, 0x3cab, {0x7, 0x7ff}, {0x101, 0x8}, @period={0x5d, 0x7, 0x4, 0xbc1, 0x401, {0x8, 0x102, 0x400, 0x9}, 0x6, [0x9, 0x4, 0xffffffffffffffa9, 0x5, 0x1, 0x3]}}) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0, 0x2}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000080)={r2, 0xbe}, 0x8) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=@known='system.posix_acl_access\x00', &(0x7f0000000140)='#\x00', 0x2, 0x1) r3 = socket$packet(0x11, 0x2, 0x300) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer\x00', 0x40200, 0x0) ioctl$KDGKBENT(r4, 0x4b46, &(0x7f00000001c0)={0xe02f, 0x100000001, 0x7ff}) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 97.045629] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:07 executing program 7: socketpair(0x11, 0x1c84bc3fa182a68a, 0x2, &(0x7f0000000000)={0x0, 0x0}) getsockname$netrom(r0, &(0x7f0000000040)=@full, &(0x7f00000000c0)=0x48) ioctl$PPPIOCGFLAGS(r0, 0x8004745a, &(0x7f0000000100)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000140)=0x0) r4 = syz_open_procfs(r3, &(0x7f0000000040)='attr/exec\x00') epoll_ctl$EPOLL_CTL_MOD(r4, 0x3, r2, &(0x7f0000000080)={0x10000000}) ioctl$sock_inet_SIOCGIFNETMASK(r2, 0x891b, &(0x7f0000000000)={@common='bpq0\x00', @ifru_addrs={0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}}) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x1, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f0000000040)="4d3f49234bc5068f8c7f1713d680f921d3b369c233dd55990800000078bec545d388dab995f86df06ee4ac354f3a3b7b8f02e54427d40459c470620488281dbdc96cd0512153c2a9637863b1d6de57bcf609f2ac76cac580f8f3ac28e68c4e15f1ff249a01e5b8b311de", 0x6a, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x1000000000000, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r5 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$TUNSETNOCSUM(r5, 0x400454c8, &(0x7f0000000080)=0x200000000000000) ioctl$sock_inet_SIOCGIFNETMASK(r2, 0x891b, &(0x7f00000000c0)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x7f03}) write(r1, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$sock_int(r1, 0x1, 0x9, &(0x7f0000000040)=0x6, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r2, 0xc058534b, &(0x7f0000000080)={0x10000, 0x0, 0x4e76, 0xfffffffffffffb40, 0x109, 0x5}) ioctl$KDGKBDIACR(r2, 0x4b4a, &(0x7f0000000100)) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000040)=@assoc_value, &(0x7f0000000080)=0x8) 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) ioctl$sock_netrom_SIOCGSTAMP(r0, 0x8906, &(0x7f0000000000)) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = memfd_create(&(0x7f0000000040)=']vmnet0$@\x00', 0x1) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r2, 0x402c5342, &(0x7f0000000080)={0xffffffff, 0x6, 0x2, {0x77359400}, 0x5, 0x1f}) r3 = creat(&(0x7f0000000040)='./file0\x00', 0x1) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000100)=""/19, &(0x7f0000000140)=0x13) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r3, 0xc08c5334, &(0x7f0000000080)={0x722824ac, 0x401, 0xff, 'queue1\x00', 0xff}) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x501000, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x20001, 0x0) sendfile(r0, r1, &(0x7f0000000080), 0x85) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r2 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r2}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) ioctl$EVIOCGKEY(r2, 0x80404518, &(0x7f0000000000)=""/78) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f00000000c0)={{{@in6=@ipv4={[], [], @loopback}, @in6=@mcast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@dev}}, &(0x7f00000001c0)=0xe8) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000200)={0x0, 0x0, 0x0}, &(0x7f0000000240)=0xc) lchown(&(0x7f0000000080)='./file0\x00', r3, r4) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='io\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:07 executing program 7: clone(0x200, &(0x7f0000b6b000), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f000007b000)='./file0\x00', &(0x7f00004cafe8)=[], &(0x7f0000c26000)=[]) r0 = syz_open_procfs(0x0, &(0x7f000042cff4)='io\x00') pread64(r0, &(0x7f00009f3000), 0x352, 0x0) lseek(r0, 0x0, 0x0) pread64(r0, &(0x7f0000f86c2b)=""/84, 0x54, 0x0) open$dir(&(0x7f000026d000)='./file0\x00', 0x26102, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x2) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) write(r1, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x3, 0x3, @mcast1={0xff, 0x1, [], 0x1}, 0xffff}, {0xa, 0x3, 0x81, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x3}, 0x6, [0x80, 0x7, 0x800, 0x2, 0x3, 0x0, 0x5, 0x6]}, 0x5c) connect$inet(r0, &(0x7f0000000080)={0x2, 0x3, @dev={0xac, 0x14, 0x0, 0x10}}, 0x3e5) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) syncfs(r0) r1 = socket$packet(0x11, 0x1000000000001f, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/checkreqprot\x00', 0x4000, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0xff, 0x3}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r2, 0x84, 0x5, &(0x7f0000000180)={r3, @in={{0x2, 0x1, @empty}}}, 0x8c) r4 = memfd_create(&(0x7f00000000c0)='\x00', 0x1) ioctl$PERF_EVENT_IOC_QUERY_BPF(r4, 0xc008240a, &(0x7f0000000100)=ANY=[@ANYBLOB="0400000020000034b0306b8c4cec1c09e421bad00000000000000060c4ea64a157ec7e000030b574269570ff4c01378f48c81f8015b946a1f2a55d9fb0591a2b6daec325d769529534603d883644f0080000003e0e25ef429d17e8b00b2dd4fcb65b962a1fb7f81e76575ea6ee185dfd4a96e45d7ceba612f3f886ab1b080cbc6a4d5f89d53d0fe7a70cd644faf84d32bd000000000000000000fff5000000fb818fc8c9d2fef7d202ff64e02e3a7829be1ca638d977bd00000c99fe57e7d7b808bcf9cf1dcfaf91e4776568"]) ioctl$DRM_IOCTL_GET_STATS(r4, 0x80f86406, &(0x7f0000000100)=""/173) fchmod(r1, 0x2) 2018/02/26 09:33:07 executing program 6: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0, 0x9}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000080)={0x101, 0x7, 0x8, 0x2f5, 0x1, 0x8, 0x3, 0x5, r1}, &(0x7f00000000c0)=0x20) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1f, 0x0) socket$packet(0x11, 0x10000000000002, 0x300) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400000, 0x0) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x4}, 0x26b) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r3, 0x10e, 0x1, &(0x7f0000000040)=0x15, 0x4) fstat(r0, &(0x7f0000000080)) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000080), &(0x7f00000000c0)=0x14) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) gettid() ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000040)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000000)='mounts\x00') getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0xff, 0x2}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000100)={r2, @in={{0x2, 0x2, @multicast2=0xe0000002}}, 0x0, 0x8}, &(0x7f00000001c0)=0x98) poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000080)=0x8000000000004, 0xffffffffffffffae) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$packet_fanout_data(r1, 0x107, 0x16, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{0x9, 0x9, 0xabcf, 0x15e}]}, 0x10) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x3, 0x4, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x8}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000000)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:07 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x4008000000000004, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffff9c, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in={{0x2, 0x3, @empty}}, 0x3, 0x0, 0x5, 0x1, 0x1ff}, &(0x7f0000000180)=0xa0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000001c0)={0x0, 0x4a, "887102cf15f20e5c076e9bcc516d34a7e914bf17a72c73ce2ce6d320c63232708108d7b586a19c0a86ce255edf9f825faa59be25939a0cc61fd5bdc55562594fe0c7e1b56febb473d68f"}, &(0x7f0000000240)=0x52) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000280)={0x0, 0x4}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000300)={0x0, 0x41, "605de885b9193a74de387a97167389c8d0ab2145ab83bcf2ba4101d3f549da24079af13eb28fe74d779a387c1d97a5f47be1b5af426514d86c8308f40024cde4d0"}, &(0x7f0000000380)=0x49) sendmsg$inet_sctp(r0, &(0x7f0000000540)={&(0x7f0000000000)=@in6={0xa, 0x1, 0x8000, @empty, 0x2}, 0x1c, &(0x7f0000000080)=[{&(0x7f0000000040)}], 0x1, &(0x7f00000003c0)=[@sndrcv={0x30, 0x84, 0x1, {0x2, 0x7fffffff, 0x205, 0x8000, 0x16, 0x7f, 0x7fff, 0x7, r1}}, @init={0x18, 0x84, 0x0, {0x100000001, 0x1, 0x7, 0x8}}, @init={0x18, 0x84, 0x0, {0x20, 0xfffffffffffffff9, 0x2, 0xfffffffffffff103}}, @sndinfo={0x20, 0x84, 0x2, {0x7ff, 0x200, 0x2, 0x8, r2}}, @sndrcv={0x30, 0x84, 0x1, {0x3, 0x6, 0x200, 0x8001, 0x1, 0x0, 0x7ff, 0x401, r3}}, @init={0x18, 0x84, 0x0, {0xfffffffffffffff8, 0x800, 0x40, 0x7}}, @sndinfo={0x20, 0x84, 0x2, {0xa9, 0x200, 0x100000001, 0xebff, r4}}], 0x150, 0x40}, 0x8800) r5 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r5, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:07 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000040)={0x0, 0x4}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f00000000c0), &(0x7f0000000100)=0x4) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={r2, 0x5, 0x13ce, 0xfffffffffffff000}, &(0x7f0000000100)=0x10) 2018/02/26 09:33:07 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000040)={0x0, @in={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x17}}}, [0x5, 0x9, 0x7, 0x4, 0x7fff, 0x200, 0x7, 0x6, 0x5, 0x8, 0x8000, 0xa4, 0x46a, 0x200, 0x9]}, &(0x7f0000000180)=0x108) ioctl$EVIOCSABS2F(r0, 0x401845ef, &(0x7f00000001c0)={0x0, 0x400, 0x2, 0xfffffffffffffdc8, 0x5, 0xffffffffffff48cb}) setsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f00000001c0)={r1, 0xa00}, 0x8) r2 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r2, &(0x7f0000000240)=[{&(0x7f0000000200)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) tee(r2, r0, 0xfff, 0x8) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:07 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:07 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = userfaultfd(0x800) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) poll(&(0x7f0000000000)=[{r2, 0x606}, {r2, 0x1008}, {r2, 0x1000}, {r0, 0x400}], 0x4, 0x8001) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 97.417194] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000080)=0x1d0) 2018/02/26 09:33:08 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x101000, 0x0) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000000040)={0x7, 0x3f}) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) setsockopt$sock_void(r0, 0x1, 0x24, 0x0, 0x0) write(r0, &(0x7f0000000040)="ef", 0x26fe9cb3) [ 97.464260] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 97.509144] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 5: mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x84000, 0x0) getpeername$llc(r2, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000080)=0x10) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) ioctl$SNDRV_TIMER_IOCTL_INFO(r2, 0x80e85411, &(0x7f00000000c0)=""/80) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000000040)={0x2, 0x0, @rand_addr}, 0x10) syncfs(r0) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@common='bpq0\x00', @ifru_addrs={0x2, 0x3, @local={0xac, 0x14, 0x0, 0xaa}}}) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = userfaultfd(0x800) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) poll(&(0x7f0000000000)=[{r2, 0x606}, {r2, 0x1008}, {r2, 0x1000}, {r0, 0x400}], 0x4, 0x8001) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r0, 0xffffffffffffffff) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r2 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) recvfrom$unix(r2, &(0x7f0000000040)=""/20, 0x14, 0x120, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0xa) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040), &(0x7f0000000080)=0x10) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools\x00', 0x1, 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r2, 0x10e, 0x5, &(0x7f0000000080)=0x4, 0x4) ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f0000000100)={0x6, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}]}) 2018/02/26 09:33:08 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x200000, 0x0) ioctl$VT_RELDISP(r0, 0x5605) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) pipe2(&(0x7f00000000c0)={0x0, 0x0}, 0x80000) connect$unix(r1, &(0x7f0000000100)=@file={0x0, './file0\x00'}, 0xa) r2 = getpgid(0x0) r3 = syz_open_procfs(r2, &(0x7f00000000c0)='net/arp\x00') ioctl$TCSBRKP(r3, 0x5425, 0x7) preadv(r3, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:08 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$packet_fanout_data(r0, 0x107, 0x16, &(0x7f0000000080)={0x6, &(0x7f0000000040)=[{0xfffffffffffffffa, 0xfffffffff9ddbfaf, 0x9, 0x101}, {0x100000000, 0x8, 0x10000, 0x15}, {0x8001, 0x7, 0x28d, 0xfff}, {0x372d, 0x20, 0x5, 0x4f106f79}, {0x5, 0x0, 0x0, 0x5}, {0x1000, 0x5, 0xfffffffffffffff7, 0x7fffffff}]}, 0x10) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) setsockopt$netlink_NETLINK_PKTINFO(r1, 0x10e, 0x3, &(0x7f0000000000)=0x7f, 0x4) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000040)="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", 0x100) [ 97.634206] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. [ 97.663861] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = accept4$inet6(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x80800) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000680)={{{@in=@dev, @in6=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@remote}}, &(0x7f0000000780)=0xe8) setsockopt$inet6_mreq(r2, 0x29, 0x15, &(0x7f00000007c0)={@ipv4={[], [0xff, 0xff], @empty}, r3}, 0x14) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000040)='securityfs\x00', 0x0, &(0x7f00000000c0)="5d85291dcf0afeedeb4ca81744cb3fd5d9cded13c35c5a9ac087f15e7f11d1cef693953c0eba227f6f86d791f6c96aec1df0972a988b6fccd03a") r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x1ffc, &(0x7f0000ad5000)) setsockopt$netrom_NETROM_T4(r0, 0x103, 0x6, &(0x7f0000000000), 0x4) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000000)={0x0, 0x9, 0x2}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000100)={r1}, 0xffffffffffffff3b) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000080)={0x6, 0x1, 0x7, 0x0, 0x6, 0x71e8, 0x3, 0x9, r1}, &(0x7f0000000140)=0x20) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) dup2(r0, r0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) ioctl$EVIOCGABS20(r2, 0x80184560, &(0x7f0000000080)=""/165) 2018/02/26 09:33:08 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) mincore(&(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000040)=""/136) 2018/02/26 09:33:08 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)="706572736fce070c7c747900") lgetxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@random={'osx.', "706572736fce070c7c747900"}, &(0x7f0000000080)=""/247, 0xf7) setsockopt$inet6_buf(r0, 0x29, 0x77, &(0x7f0000000000)="15a4d13416472ba525e4ff175e47e369f9c8e4f0e70afe942e1a", 0x1a) preadv(r0, &(0x7f00009c2ff0)=[], 0x100000000000002a, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) r1 = open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) dup(r1) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x0, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) ioctl$sock_inet_SIOCGIFNETMASK(r0, 0x891b, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x1}) write(r0, &(0x7f0000000000)='n', 0xfffffffffffffd6f) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x200, 0x402000) ioctl$TUNSETNOCSUM(r1, 0x400454c8, &(0x7f0000000040)=0x5) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@generic="30c6f4a756b55ee5b8abbdad487d81a2", 0x145) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f0000000080)={0x0, @in={{0x2, 0x1, @rand_addr=0xc406}}, 0x200, 0x2, 0x80, 0xfffffffffffffc00, 0x200}, &(0x7f0000000140)=0xa0) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000180)={r3, 0xff, 0x2, [0x7, 0x0]}, 0xc) write(r2, &(0x7f0000000000)='l', 0x1) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000040)={@dev={0xfe, 0x80, [], 0x0, 0x17}, 0x165, 0x3, 0xff, 0x4, 0x9, 0x20, 0x9}, &(0x7f0000000080)=0x20) [ 97.760054] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0xfffffffffffffffc, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 97.817284] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 97.853603] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r0, 0x6) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000100)={r3, 0x16e, 0x7}, &(0x7f0000000140)=0x8) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000)={0x4, 0x40}, 0x8) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$packet_int(r1, 0x107, 0xa, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000000080)=[], 0x0, 0x9) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000ffd000/0x3000)=nil, 0x3000}) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x84, 0x5) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='net/netlink\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) getsockname(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="00000000000000000000000000000000000000f0ff9a3c812034d4ccc331ffffffffffff000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], &(0x7f0000000080)=0x80) 2018/02/26 09:33:08 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = dup3(r1, r1, 0x80000) ioctl$VT_GETSTATE(r2, 0x5603, &(0x7f0000000000)={0xbc, 0x346, 0x12}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) fcntl$setsig(r1, 0xa, 0xc) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) pipe(&(0x7f0000000040)={0x0, 0x0}) ioctl$KDSKBLED(r3, 0x4b65, 0x1000) inotify_init1(0x800) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = accept4$inet6(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x80800) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000680)={{{@in=@dev, @in6=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@remote}}, &(0x7f0000000780)=0xe8) setsockopt$inet6_mreq(r2, 0x29, 0x15, &(0x7f00000007c0)={@ipv4={[], [0xff, 0xff], @empty}, r3}, 0x14) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x248) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000400)=@filter={'filter\x00', 0xe, 0x2, 0x388, [0x0, 0x20000040, 0x20000070, 0x20000398], 0x0, &(0x7f0000000000), &(0x7f0000000040)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x0, []}, {0x0, '\x00', 0x0, 0x0, 0x2, [{{{0x3, 0x0, 0x8809, @syzn={0x73, 0x79, 0x7a, 0x0}, @generic="d93ac0e625a8d0ca0c5cff521f8c459d", @syzn={0x73, 0x79, 0x7a, 0x0}, @common='eql\x00', @empty, [0xff, 0x0, 0xff, 0xff, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x14}, [0x0, 0xff, 0xff, 0x0, 0xff, 0xff], 0x70, 0xd8, 0x128, []}, [@common=@dnat={'dnat\x00', 0x10, {{@remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, 0xffffffffffffffff}}}, @common=@redirect={'redirect\x00', 0x8, {{0xfffffffffffffffd}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x0, 'syz0\x00', 0x3f}}}}, {{{0x19, 0x0, 0x86dd, @common='lo\x00', @syzn={0x73, 0x79, 0x7a, 0x0}, @generic="ea254574a9f1d99e57efaa1d1b30a83d", @syzn={0x73, 0x79, 0x7a, 0x0}, @link_local={0x1, 0x80, 0xc2}, [0x4bc3dd5eb3000853, 0xff], @empty, [0x0, 0xff, 0x0, 0xff], 0xe0, 0x158, 0x1d0, [@rateest={'rateest\x00', 0x48, {{@common='bond0\x00', @syzn={0x73, 0x79, 0x7a, 0x0}, 0x28, 0x2, 0x1f, 0x9, 0xf8e, 0x9fcf, 0x100000000, 0x1326}}}]}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz1\x00', 0x5, 0xfffffffffffffff9, 0x6}}}, @common=@AUDIT={'AUDIT\x00', 0x8}]}, @common=@NFLOG={'NFLOG\x00', 0x50, {{0x98aa, 0x3, 0xff, 0x0, 0x0, "cd31a946411e21b67f591eea8060907d84ae80fbf4a0cd3be60bc9f7c12c892f77664d4c0ec5d0b4d6518fa44e324627f916124385d40267135f0650315549dc"}}}}]}, {0x0, '\x00', 0x2, 0xffffffffffffffff, 0x0, []}]}, 0x400) 2018/02/26 09:33:08 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) fgetxattr(r0, &(0x7f0000000000)=@known='security.evm\x00', &(0x7f0000000040)=""/48, 0x30) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = add_key(&(0x7f0000000000)='blacklist\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f0000000080), 0x0, 0xfffffffffffffffa) keyctl$get_keyring_id(0x0, r1, 0xfffffffffffffffb) keyctl$describe(0x6, r1, &(0x7f0000000140)=""/240, 0xf0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040)=@common='yam0\x00', 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x248) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000080)=@get={0x1, &(0x7f0000000000)=""/117, 0x2}) ioctl$EVIOCSABS20(0xffffffffffffffff, 0x401845e0, &(0x7f0000000000)={0x95c3, 0x2, 0x40, 0x8, 0x800, 0x7}) r2 = mmap$binder(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x81110, 0xffffffffffffffff, 0x0) prctl$setfpexc(0xc, 0x20000) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffffff, 0xc018620b, &(0x7f0000000040)={r2}) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000080)="a8dfec3771b25353eab81856c93ff2ff1586451e2010d64ba302af27d9de595b94fac5b96e93425a1ad9269b9a6675cd9011321af26db2bbe542df093532d39e56e42e5ac9d43063fa435195cb91e933bc5c2537201321a91a", 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x3, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}, 0x1000000000}, 0x3) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000180)="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", 0xfe65) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = dup3(r1, r1, 0x80000) ioctl$VT_GETSTATE(r2, 0x5603, &(0x7f0000000000)={0xbc, 0x346, 0x12}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) fcntl$setsig(r1, 0xa, 0xc) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) pipe(&(0x7f0000000040)={0x0, 0x0}) ioctl$KDSKBLED(r3, 0x4b65, 0x1000) inotify_init1(0x800) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @multicast1, @multicast2}, &(0x7f0000000100)=0xc) ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000140)={@dev={0xfe, 0x80, [], 0x0, 0x14}, 0x5, r2}) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000000080)="dc5603f88a77015348cf592baa66c6e7a4926e4d6bc25ec5dd64cd1391113c4616f9d6670dca07fb547a48a66fa162212f0c8975d0f391b6bf5fb1fdc2aea72b7c6d8e29580e71ac39dcacd2463f780dd22198b5fa935cf5642521849d5b47ddc51603bba72f80f45cdafc3fc07f23f99b672426b865f1d3f69c7a0e7cb2106a6d0e3abc220f18550b49b58eee7317e5ba2f4b08", 0x94, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x29) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='2amfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f00000001c0)={0x13, 0xde, &(0x7f00000000c0)="111fe66843f99cdcc36a81b21f2aa8ac4aceeef6771f743affc6862f33f047f2613f82b11968599d84d898d400ad6589d39d29a6c07d4dd5b3e4fcb178b4923089baeb3f86bc22adc3993725d00924714f026bec9a51756450d2ae01de4bcff63c11243d599d7ae86a9b13a9a1a08d1cd1d0abc5dfae67eb1866c54c9d563c8fdb9bc926ae6d9f5d38e47161b0363dddbe48bea7f9f6c46e9753cb3247f84af2813f51931c000c6bf9ab76e5d58da74bfa7ecc886d7295e46a38e5b6e47a3d25961cb356c1b6b9685559908fe9a720a3088d6c7af1896dfca1df26cf476f"}) faccessat(r0, &(0x7f00000000c0)='./file0\x00', 0x20, 0x200) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') r2 = socket(0xa, 0x804, 0x7) poll(&(0x7f0000856ff0)=[{r1}], 0x1ffffffffffffd96, 0x7) r3 = getpgid(0x0) stat(&(0x7f0000001180)='./file0\x00', &(0x7f00000011c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x2, &(0x7f0000001240)=[0x0, 0x0]) sendmsg$unix(r0, &(0x7f0000001340)={&(0x7f0000000100)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000001140)=[{&(0x7f0000000140)="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", 0x1000}], 0x1, &(0x7f0000001280)=[@rights={0x38, 0x1, 0x1, [r1, r2, r1, r0, r1, r2, r2, r2, r1, r2]}, @rights={0x18, 0x1, 0x1, [r2, r0]}, @cred={0x20, 0x1, 0x2, r3, r4, r5}, @rights={0x18, 0x1, 0x1, [r1, r1]}], 0x88, 0x4000}, 0x8001) mount(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='.', &(0x7f0000000140)="6369667300243a55b1a1073f370000affb470feab0ada1a24260cdc387d3bd64db62c7a38c3a3c0c8858a877c90308a9563d9b", 0x2000, &(0x7f0000000080)="afbf8f1fa260075ecd7156b03a6d7e6166f95e4d49f8a846bd1808aaca42e54ba6e6ec0321bec417b6f00480801193e98ab6b0dc5cc1511857a4770394235756b62ed28fbc2d2600d5ef551d0a6192") 2018/02/26 09:33:08 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) accept$ax25(r0, 0x0, &(0x7f0000000040)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 2: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) listen(r1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000fd1ff6)='net/tcp\x00') preadv(r2, &(0x7f0000000000)=[{&(0x7f0000000000)=""/198, 0xc6}], 0x1, 0x4000000) ioctl$EVIOCGABS20(r0, 0x80184560, &(0x7f0000000040)=""/4096) clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000001040), &(0x7f0000001080)=0x4) r3 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r3, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) mq_timedreceive(r3, &(0x7f00000010c0)=""/35, 0x23, 0x5, &(0x7f0000001100)={0x77359400}) close(r3) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000002000, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0xfffffffffffffffc, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r0, 0x8919, &(0x7f0000000000)={@generic="e48659330e0acc491e671661cb0bb31a", @ifru_addrs={0x2, 0x2, @local={0xac, 0x14, 0x0, 0xaa}}}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @multicast1, @multicast2}, &(0x7f0000000100)=0xc) ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000140)={@dev={0xfe, 0x80, [], 0x0, 0x14}, 0x5, r2}) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000000)) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 98.121389] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 6: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$packet_fanout_data(r0, 0x107, 0x16, &(0x7f0000000080)={0x6, &(0x7f0000000040)=[{0xfffffffffffffffa, 0xfffffffff9ddbfaf, 0x9, 0x101}, {0x100000000, 0x8, 0x10000, 0x15}, {0x8001, 0x7, 0x28d, 0xfff}, {0x372d, 0x20, 0x5, 0x4f106f79}, {0x5, 0x0, 0x0, 0x5}, {0x1000, 0x5, 0xfffffffffffffff7, 0x7fffffff}]}, 0x10) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x2000, 0x0) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f0000000080)="0c77f9773f080581d238b6d3d328e67837c265b4d9bfbf9e9d49fd09cb9dc00f342704a3df89a76292e1f12cbaca33f6001406917f577e750ce09a075a9e3de9f30075400e8dd130a68c87866b279fe6b13452c83bfa3171c8862530fe01f6cbd50c26639cbe4e1b292845f49a42f3d3bc77720bf065d93c2b17d07305f535a272c471a9b6f934ff0f2e0ba0bdb8540a041f7af2975560e8554062e98bd6c54b98aafeaf431acc") 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r2 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x301000) getpeername$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000588ff0)=@generic="3932d2cdb31617a1ca2b326a5ec1eec0", 0x101c8) write(r0, &(0x7f0000000000)='n', 0x1) [ 98.162248] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 98.171325] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f0000000040)="cd72e7fcc227c92e2f1941347cc3cf923a773082f24298e202d73793cb46a61b5c15801f29c7c7744c6bdc74ad9aefacfce2f5c37689252c711503abecc92a29b43dae79fd75553effe294a44faefbb51beb38fb935ec5a1a69a9f8fd0d256f0b008b542187a85016f2027") r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mkdirat(r0, &(0x7f0000000000)='./file1\x00', 0x41) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000000040)='./file1\x00', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000000080)="2891f80554ed5d6a4e6a92fa0394beb078efb085f1c27683867dcdf9e1d3245d19f4f8d0f1f5a18491c3fac0d82e3de1b294b979187666eff70d1ee2950d490fed5b4d88c01a01cb73a14c8503cff9e9ac3438ad186220f2eaf79f1a70738c456705dc219dc249671652c2122e34b27692041c245a00775115c62a433cd12c544cc9") [ 98.208190] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x20000, 0x0) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r2, 0xc0505405, &(0x7f0000000040)={{0x3, 0x3, 0x1, 0x1, 0x10001}, 0x1, 0xd6, 0x341}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0xfffffffffff7fffe, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) ppoll(&(0x7f0000000040)=[{r0, 0x10}, {r0, 0x428}, {r1, 0x40}, {r0, 0x432}], 0x4, &(0x7f0000000080)={0x0, 0x989680}, &(0x7f00000000c0)={0x6}, 0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000100)=0x1, 0xfffffffffffffceb) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x4000, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x8, 0xdae7}, &(0x7f00000001c0)=0x8) getpeername$ax25(r2, &(0x7f0000000200), &(0x7f0000000240)=0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f0000000200)={r3, 0x91, "7a1408210ff2e248780e51ea9a4939893b115710752ff3cf4d252fd8dba2d3606f5664e3e23a175acdd90c4b819223d4deb970304107e42a3fa7bdb110def4fe7948ed8bae8497480c8a2d1d811aa24bf6f712e48705e6964ead064edc5d0aadd026443398e7c69ef6bdcdfce17d835e991d2065a1d3f402f9179111e4f89838c43916f520555e70d758977a5be4b43af9"}, &(0x7f00000002c0)=0x99) r4 = fcntl$dupfd(r0, 0x100000406, r0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140)=0x0) sched_getscheduler(r5) ioctl$PIO_SCRNMAP(r4, 0x4b41, &(0x7f0000000140)="376ee4afc40368d0d633955b66f7175bde6067dfa4f905e465095a616e2ae0b171a3699a2c35db1ff001aaccfad56963e34bf1b556e0cf62e98b1a8d456477ba6511f905fc47526811f26a0a388f18b66167403a176f51a55cfacb4f0bd1e12634300a6edcc819901a19228b11619d57a7052c352be3be548788283dc7ed0b95bcb4b8582fb233ac1573a9a967") mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000002, 0x50, r0, 0x0) 2018/02/26 09:33:08 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000040)={{{@in=@multicast2, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@loopback}}, &(0x7f0000000140)=0xe8) recvfrom$packet(r1, &(0x7f0000000000)=""/6, 0x6, 0x2, &(0x7f0000000180)={0x11, 0x1, r2, 0x1, 0x9, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x14) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x101000, 0x0) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000000040)={0x7, 0x3f}) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) ioctl$sock_netdev_private(r0, 0x89f8, &(0x7f0000000000)="d2f2bffeef652d1bcd4ba7ee6c5a293d94c5a6ab5648d2708cf6c75ccac2870abd35dadce73bf3469f1e134b1e73775be6a6761524c8bb5897805da5ea383ce34811fc1799153f1d92a4eae85e690364db40dce724f27d585d452352b1e5cbdeeca2a1fcf3d577ff7a50fee06578edd29a9e8f24895f10a98c331ee5f0a2916d3517cbee0598b706e69918319b06db85f1282064e8780fcdc139d5f426159135452e11b76fbf21c0b6e49945f731bb2314850712c22f9319b31801c83a3cb2198b27630d269e5eb03b531487bd8a8e9b13") 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) getpeername$packet(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000000140)=0x14) sendto$packet(r0, &(0x7f0000000000)="aec7ccb50a2ba02dec4748e3802d1c0b75e1e03759dbfcfd2b4ad3e272d0acecc45ddf247d03d7cff7c5ec12e4ca052eb4f71fae44011c6522c672c893fc7c766f76463e3a2e3c7e2d94929b3d7157635a1a07d88a4205ec195e26e1d1dc81e8aad9ceba76739be6d066b402a5f5e9337ebc69a30d7f625502f90689e73758cb9f3a9db0d1abb3df7bf20c7502b922217b23565b75f90eb42631bf38edf60387bef02a03435d3f217b7a3dd4fc2b74f99b3dcfffefe7fe2af268c3c04ab12ed188e784ce480c168ca0ee7ea0a166109a2d5e11e7183c28ce629613f2abf9da6398", 0xe1, 0x40, &(0x7f0000000180)={0x11, 0xf7, r1, 0x1, 0x20, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x14) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x2000, 0x0) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f0000000080)="0c77f9773f080581d238b6d3d328e67837c265b4d9bfbf9e9d49fd09cb9dc00f342704a3df89a76292e1f12cbaca33f6001406917f577e750ce09a075a9e3de9f30075400e8dd130a68c87866b279fe6b13452c83bfa3171c8862530fe01f6cbd50c26639cbe4e1b292845f49a42f3d3bc77720bf065d93c2b17d07305f535a272c471a9b6f934ff0f2e0ba0bdb8540a041f7af2975560e8554062e98bd6c54b98aafeaf431acc") 2018/02/26 09:33:08 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x3, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x200000}, 0xfffffffffffffe8a) listen(r1, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000000)={{{@in6=@local, @in6=@remote}}, {{@in=@multicast2}, 0x0, @in6=@loopback}}, &(0x7f0000000100)=0xe8) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f0000000140)={0x98}, 0x4) 2018/02/26 09:33:08 executing program 4: r0 = socket(0x9, 0x7, 0x5b3) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000000)={{{@in6=@empty, @in=@loopback}}, {{@in6=@empty}, 0x0, @in6=@mcast2}}, &(0x7f0000000100)=0xe8) r1 = socket$inet(0x2, 0x2, 0x9) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000140)=0xfffffffffffffffd, 0x315) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) geteuid() ioctl$sock_proto_private(r0, 0x89ed, &(0x7f0000000180)="1662219091793214f73287df022bccf0a754eace8f8b42a00087d881a9d0196e8bc21b59a7e41c2dc2d92d65f6934b094f6724e09caa42552209ae87ab123de1cc825bc6285d50a7630f0bc08affce08d022ea183cdddece029ba88508ab77352dd3c0e4b108a1492cf55e0cf59bec2bc167372c0c554eab868f947342ead8ddafa97c3e72ef50c3323d7b59b62b4969bd73d84da9c55c0b465301c82712eb66d2fc95d3d003d8f7306f991b090f76a017dcf6d17bc348a2fc8d8731ea6c1f0ecc46f7ac203daf6f8a7bd5227c68bc33330b5897a6f37a6b1fa2af300425ca8aef92017935c50c92b1fdfa8668234313987bbef5ae5ae53037") sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) [ 98.363866] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:08 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x2) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) r1 = fcntl$getown(r0, 0x9) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000340)={{{@in=@dev, @in=@multicast1, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@ipv4={[], [], @local}}}, &(0x7f0000000440)=0xe8) stat(&(0x7f0000000480)='./file0\x00', &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000540)=0x0) stat(&(0x7f0000000580)='.', &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000640)={0x0, 0x0, 0x0}, &(0x7f0000000680)=0xc) fcntl$getownex(r0, 0x10, &(0x7f0000000e80)={0x0, 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000ec0)={{{@in=@local, @in6=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@dev}}, &(0x7f0000000fc0)=0xe8) stat(&(0x7f0000001000)='./file1\x00', &(0x7f0000001040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r10 = gettid() getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000010c0)={{{@in6=@mcast1, @in=@rand_addr, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@loopback}}, &(0x7f00000011c0)=0xe8) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f0000000040)) fstat(r0, &(0x7f0000001200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r13 = getpgid(0xffffffffffffffff) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000001280)={{{@in6=@empty, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in=@multicast2}}, &(0x7f0000001380)=0xe8) getresgid(&(0x7f00000013c0)=0x0, &(0x7f0000001400), &(0x7f0000001440)) sendmmsg$unix(r0, &(0x7f0000001740)=[{&(0x7f0000000040)=@abs={0x1, 0x0, 0x3}, 0x8, &(0x7f0000000300)=[{&(0x7f0000000080)="f24ef406ccad90fce33ecf939f24bfac9c04e54071d85bfc4cee784da7a80d904cf9963390cc0f27a9beda88e42063340dea7856f752b59b0953ebfa64738f1626ea9283f1639bb02b93ce02be8d1d9cbcea8c86bd0dbc82f85dab32d189a98340521e1d518f9298609765ba1863e2cc851d5de50b2975654820225faa2655d2b2f51237eededa4ec6a6e22f2e0ef782af", 0x91}, {&(0x7f0000000140)='\t', 0x1}, {&(0x7f0000000180)="e06ee06212c5e2ae508f6290d46709a69ca896526989112fc0d4e8ebf9206a714c7d84ff5412b6aab62996afde1e64d3eb501c20e0f4d5f42260867a69822ec8f106526ba5560a39690fc28cc0531e188ff90236f89a651c4616e7973412eb5cb0562ed278ecefe708c5fb543084fb3374d68446e13973d6ca9006488df4e96151dfaadff4eb7ed720520b61a58bda10682ccea2df2856f2ea250bd1fa0553b73c45334c77392173d52a225dfd8eeaf1b8b3b8ea22abfd0cbdbd682429", 0xbd}, {&(0x7f0000000240)="fcbd6c831d53ccf124ba386a08927af21736f917bd0357881a5b190f361a7ae813179d55957241a25357296ca330a8037fa1d04cee96388473e1ad6a3252b721261bbe97d7a2fac9434d15155391ea68f5c1454a203efaead52ba8eca7b32618ee727b9438f4667ce7a6bf4e38e9d986e25e1e17238f799c15bb5fb6c9cec30f0665598533eccef96dac294720939b1d35a377f87a8b0a3f83", 0x99}], 0x4, &(0x7f00000006c0)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @cred={0x20, 0x1, 0x2, r4, r5, r6}], 0x40, 0x10}, {&(0x7f0000000700)=@abs={0x1, 0x0, 0x0}, 0x8, &(0x7f0000000c80)=[{&(0x7f0000000740)="ccf9090cf27b4f4312", 0x9}, {&(0x7f0000000780)="d1527b41fc4c1f112258687e71e5042e35422c57d4acd46b3e214afc8f9eb00b5c2af6802af9a0aa52b1f2f1b0d0573c4f4803534e1483e88f0baa0095aaa712a669aa46f73bc15b301e576105886513e5fa28fbb91baa2438e9fbab13890798fdb6441abcd6465266da6187e6df0a00a2d94ef72478b9a2f652108393586bfa0ac405b6ab86d312f9f30cca5eb32cddab1df503fb48a73f3a823a9ff1e86d55c801bca2e9552b0068621addf1f05bcf48291f58fda484d90b406eb88f12abc7a5626b5b16dd3f17a9ba59dfcaf826f2c6eb9beb559a9cd4bfc78f35654811d05732bacdaa", 0xe5}, {&(0x7f0000000880)="ae", 0x1}, {&(0x7f00000008c0)="7ee38272bcf435db8cdca47a4158991d7d363cac19a1f1b0c79f1203cf3002a75798965af9521ae33ed7f2537bf1890f48508637e1595fb93e5fccab311a4c779520c61fa4f898511457d20aa3809e3e30c91103dbb8e2db2214bc7ae325c7b8619ceabbb6790dacbd62833c6e0dd26940ca3730aac21173e419b36cd49546e4e60869d0f22cc1cf5041d7285a64a532cc85421f4912921dcc662e1d9077a5", 0x9f}, {&(0x7f0000000980)="2adfac68a21585ac19ce48dc69853b9560218720cf0e542175a5cb9496d57207ad819f53a0a77f22e2bda7ed03a3622c5d2b0606af603291151942eea518052a43e338ff527bcb7b59ce9171780b0f3640868a475fdc9f717d4a74b2c0643863a5f0c5ffdb9e1b41c132040e359a1099ec90acb9dc87d0f9c1801b72bce4a35c007f737d1402a629fc48d7420078b2b07bd69e27c48394ec5beec6bd2fcb13be67caa7b0f6ae58787644590cddc33bd7a75641ebfe55ad038746bffd6af29b10cd2025343861695e2ce1b583f0174208a5afa5a188cc88edbaaea2", 0xdb}, {&(0x7f0000000a80)="663be7b1b03b5ee0053dcbb9c687d712b691e076a619dc4e57b74f7a3a78d3ac1697247d56995c995b96701a7bb1052082504d71d587be0e0bbfcca3558fa30c88dc9d9be8869b05ca364fda904fefcc7fd11d1a3789375057ec99dfb804fa53de04ea123d3606a889af2ab68dd3e5e4f72889bd9c4f330a17808127e0a2a46b6c18d995f4b267f37dd2a36cc5f1b3ec43", 0x91}, {&(0x7f0000000b40)="558e5e1ac7dc5abd2b165e047798b4ed8addec7b0205a728f76605f57dfc525cec132b3a22776d0240d988efebbbd1917a73fc91edb01e7f42f58b9b7df65a4923b0db780729692522ff46084e7d421f5a19123620dae18aa702881896876fd24c793ac625e82908702fb1e585976eda9f00a8f8bb6b0a5fe00d2993d6a1af8b6ee89294bd9a439c9764f7a2248a4bb2a7964a12749f6b0f2184def872eb4661358132523f747daa2c945ed7ccd9e4ed382d8b01ccbac9214fe0c49c7676c8a6d4cc9348ac78ae50034664e536b066d987eb29b5f91fa72d", 0xd8}, {&(0x7f0000000c40)="12689f86ab8a2d32", 0x8}], 0x8, 0x0, 0x0, 0xc0}, {&(0x7f0000000d00)=@abs={0x1, 0x0, 0x3}, 0x8, &(0x7f0000000e40)=[{&(0x7f0000000d40)="04f1488fc49a506fbd0b29a60278fb1c148276479e4748385987895f4a4c59f4e1fec147ff3d7bd30462a8dac4121890e39bdc3497bc423a54aa0d8327964024127eb6eef2c7d0d14b01fbfbf2121705bb5c6d8d219cc9b6a84cffb55a0039e8b0b717226a2a58270d7b", 0x6a}, {&(0x7f0000000dc0)="162faf06d3eebef0d3a30ac27444fc3ae47051c0f64ec9cb1226514871b15d3847e9b13e276d7b4f58654ea7cb585eea5f1756169988431612bae1f170d5665f62f308e881496822a3f356e18148eb0efb13825bb56ab4a8d2aa8be2184e", 0x5e}], 0x2, &(0x7f0000001480)=[@rights={0x18, 0x1, 0x1, [r0, r0]}, @cred={0x20, 0x1, 0x2, r7, r8, r9}, @cred={0x20, 0x1, 0x2, r10, r11, r12}, @cred={0x20, 0x1, 0x2, r13, r14, r15}, @rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r0]}, @rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0, r0]}], 0xf0, 0x4000080}, {&(0x7f0000001580)=@file={0x0, '.'}, 0x3, &(0x7f00000016c0)=[{&(0x7f00000015c0)="6caed93f318e61bb69958f9d8eb08f9702779372e09641b62c8513574ba00d9b82d5f46518ca090fb7f2414e96d1847dfb19c637ce52ffda385d6d2fc9c25daecf151d9acf9a5bda42484fb93383c7328ea0b1ac3b35ba27f9bf52a87ebc0c1a1fa1234aac4af5def918d05be0488dbc22db53deb143d93cc79ee55dea818944d68a7fd7b48991f98504f7b23ccc63e9a4e80d9186dccc0e2d4201e77a3872cab33c1877c091a646e24eaac597e0a9121acd9521d96204f0e1a518b1c8b971b2f1f5cec629ab48b47c", 0xc9}], 0x1, &(0x7f0000001700)=[], 0x0, 0x40}], 0x4, 0x40000) 2018/02/26 09:33:08 executing program 7: socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000000)) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000040)={0x100, @tick=0x5, 0xfffffffffffffeff, {0xfff, 0x3}, 0x7, 0x1, 0x1f}) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f00000000c0)=0x9, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:08 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) listen(r1, 0x0) ioctl$VT_RESIZEX(r2, 0x560a, &(0x7f0000000040)={0xffffffffffffffff, 0x8, 0x6, 0x5, 0x8, 0x40}) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:08 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0xfffffffffff7fffe, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) ppoll(&(0x7f0000000040)=[{r0, 0x10}, {r0, 0x428}, {r1, 0x40}, {r0, 0x432}], 0x4, &(0x7f0000000080)={0x0, 0x989680}, &(0x7f00000000c0)={0x6}, 0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000100)=0x1, 0xfffffffffffffceb) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x4000, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x8, 0xdae7}, &(0x7f00000001c0)=0x8) getpeername$ax25(r2, &(0x7f0000000200), &(0x7f0000000240)=0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f0000000200)={r3, 0x91, "7a1408210ff2e248780e51ea9a4939893b115710752ff3cf4d252fd8dba2d3606f5664e3e23a175acdd90c4b819223d4deb970304107e42a3fa7bdb110def4fe7948ed8bae8497480c8a2d1d811aa24bf6f712e48705e6964ead064edc5d0aadd026443398e7c69ef6bdcdfce17d835e991d2065a1d3f402f9179111e4f89838c43916f520555e70d758977a5be4b43af9"}, &(0x7f00000002c0)=0x99) r4 = fcntl$dupfd(r0, 0x100000406, r0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140)=0x0) sched_getscheduler(r5) ioctl$PIO_SCRNMAP(r4, 0x4b41, &(0x7f0000000140)="376ee4afc40368d0d633955b66f7175bde6067dfa4f905e465095a616e2ae0b171a3699a2c35db1ff001aaccfad56963e34bf1b556e0cf62e98b1a8d456477ba6511f905fc47526811f26a0a388f18b66167403a176f51a55cfacb4f0bd1e12634300a6edcc819901a19228b11619d57a7052c352be3be548788283dc7ed0b95bcb4b8582fb233ac1573a9a967") mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000002, 0x50, r0, 0x0) [ 98.466843] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 6: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000040)={0x0, @in={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x17}}}, [0x5, 0x9, 0x7, 0x4, 0x7fff, 0x200, 0x7, 0x6, 0x5, 0x8, 0x8000, 0xa4, 0x46a, 0x200, 0x9]}, &(0x7f0000000180)=0x108) ioctl$EVIOCSABS2F(r0, 0x401845ef, &(0x7f00000001c0)={0x0, 0x400, 0x2, 0xfffffffffffffdc8, 0x5, 0xffffffffffff48cb}) setsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f00000001c0)={r1, 0xa00}, 0x8) r2 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r2, &(0x7f0000000240)=[{&(0x7f0000000200)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) tee(r2, r0, 0xfff, 0x8) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000140)=0xc) chown(&(0x7f0000000000)='./file0\x00', r1, r2) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x7, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x60100, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000180)={{{@in=@remote, @in=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@local}}, &(0x7f0000000280)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000002c0)={0x0, 0x0}, &(0x7f0000000300)=0xc) sendmsg$nl_xfrm(r1, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000800}, 0xc, &(0x7f0000000540)={&(0x7f0000000340)=@newsa={0x1e8, 0x10, 0x820, 0x5, 0x0, {{@in6=@local={0xfe, 0x80, [], 0x0, 0xaa}, @in=@loopback=0x7f000001, 0x0, 0x0, 0x1, 0xa7, 0xa, 0x80, 0xa0, 0x62, r2, r3}, {@in=@empty, 0x2, 0x32}, @in=@multicast2=0xe0000002, {0x9, 0x5, 0x9, 0x7fff, 0x80000000, 0x1000, 0x8, 0x6}, {0x800, 0xffffffff, 0x3, 0x5}, {0x800, 0x9, 0x8000}, 0x3, 0xffffffffffffffff, 0x2, 0x2, 0x6, 0x40}, [@sec_ctx={0x44, 0x8, {0x40, 0x8, 0x1, 0x8, 0x38, "588aa77b578f721698c11be64ccf8ccd5011bc05a83083ed665c7a4235cf4ea95914ecfe2daeb3c056136b4878f59ac68eaf555632d867c4"}}, @ipv4_hthresh={0x8, 0x3, {0x1b, 0x16}}, @lastused={0x10, 0xf, 0x4}, @sec_ctx={0x9c, 0x8, {0x98, 0x8, 0x1, 0x6, 0x90, "0bf71ddb3e741b7485a9ea21e515edf32f9d3c9b8481232c29855dbeabfae6f4cf8791d11f6e002b205191b6559152cdcac0136cf313444e6af35330fc53436a595dbfa7336e02f44503a3af8c8cac2ba16e72cd7f375fc0a8768746d796442b6813bcfde40f5bb43e02ed82cbc53d65bbe0039fc065b55baa5447fd973169456ce119ff86222181f79918c64afe7b8c"}}]}, 0x1e8}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r4 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x4, 0xffffffffffffffff) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000480)='/dev/ppp\x00', 0x2, 0x0) sendmmsg$nfc_llcp(r1, &(0x7f0000000940)=[{&(0x7f00000004c0)={0x27, 0x7df6, 0xfff, 0x7, 0x4, 0x8, "89cdc0ceb645a58dd955cd1baeb08ba0f50d8d7f40980cd1d36b43affb87bd32c508777fb23d2be1aea706be088db0ae688971203e2b90480da0e152b4e682", 0xfff}, 0x60, &(0x7f00000008c0)=[{&(0x7f0000000540)="fed46c45efe8b094dfae41fad03520207acf79570efc8266ce828b4d31456e266cbad2651fcc32044dfbcd825e12a7c281f96cc76d89fed6df04d0ea9e4f0b314bbf820529337fda4a0b7df92f339ed67097d6bf680fe8e1c992ef6e4cee41c710705f30790672a260", 0x69}, {&(0x7f00000005c0)="2fff0f4517d1ffe4084f385fcaf81840ddfe7d8a983642b7b06a7cd022ca347acbab4f5f8841d7bf043274d70603d41814ce038da7e235c376ea7ad87927be0a210bdcabfdf45aedee6afec5e5603d2c11fcf9d6ccbbbe1b4757ad085944979906c66366e33c48484239fb7a425f2d8ee9277c17e0f8635afa39765ce0ae2ec5aab3bd96c387a22271ddaa3de1b38d54fb10d12d0a7dd2ac7404b2e008ed", 0x9e}, {&(0x7f0000000680)="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", 0xfd}, {&(0x7f0000000780)="937c571944492a37a22992f1d769d5ae19b4995ddbb4d5e573684d08f26ff303aaf2023e4af986d15efd05019949c2175feca4f281c8298bffde75a5c8c65729d0219327ad1338c27917267b308bde9e192e610a060a1f1b3373e424507c1445dc8a59a9f6f628d1ec2df0c20adffb50100cacbc0e84166b52d777ebb187fbb2a35469d7a0f70a2e86ad900e68ab5e1c6532ff57b6d1b37b38e897030cd205513a371be0fadfe7d1b09d1e4af538f415bd83db5b7e469f65a77e4b5483c30888b3fc45fa32de5f9a109a52b86402cba5b303fb1ad617b1b48dfe9fa6b06a949e3370fa52e6965030", 0xe8}, {&(0x7f0000000880)="d73b19b8bab616f1485ab0e57721923687841ada7321f5afaa30aace536df6de02f299f51823fa90762ee6ff07467ffad69b", 0x32}], 0x5, 0x0, 0x0, 0x20000800}], 0x1, 0x8000) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000001, 0x4) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) times(&(0x7f0000000000)) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x2, 0x0, 0xa003}, 0xfed4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_buf(r0, 0x0, 0x30, &(0x7f0000000040)=""/147, &(0x7f0000000100)=0x93) 2018/02/26 09:33:09 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) fcntl$F_GET_FILE_RW_HINT(r0, 0x40d, &(0x7f0000000000)) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r2 = open(&(0x7f0000000000)='./file0\x00', 0x400000, 0xa3) ioctl$KDMKTONE(r2, 0x4b30, 0x9) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) bind(r0, &(0x7f0000000040)=@generic={0xf, "0a68ae504da2fdbc94a95f4e9e8e97c9df4ef72214885741562d9dd14ad1078a1f4cfad2a817bd604867fe5a1eb7f120019f11bb77817a3472f4a0fdd51916b43091cced615abfa788d17c39d073f6815dd36c32b43e461911e0be276558edc95535f791507b4bcaaf41e5f80d67e38d8d0ffcf65a7240900e5974bc4ed0"}, 0x80) r3 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) ioctl$TIOCMBIS(r3, 0x5416, &(0x7f0000000080)=0x8) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x800, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000040)={0x9, 0x2, 'client0\x00', 0x4, "2d6a4e3a6b368641", "d03fb811d90c95ee63aa3031c796f32244a51fc5bf8d7391e0bee7d89c5cca5e", 0x1, 0x10000}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 98.584130] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 0: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) getpeername$packet(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000000140)=0x14) sendto$packet(r0, &(0x7f0000000000)="aec7ccb50a2ba02dec4748e3802d1c0b75e1e03759dbfcfd2b4ad3e272d0acecc45ddf247d03d7cff7c5ec12e4ca052eb4f71fae44011c6522c672c893fc7c766f76463e3a2e3c7e2d94929b3d7157635a1a07d88a4205ec195e26e1d1dc81e8aad9ceba76739be6d066b402a5f5e9337ebc69a30d7f625502f90689e73758cb9f3a9db0d1abb3df7bf20c7502b922217b23565b75f90eb42631bf38edf60387bef02a03435d3f217b7a3dd4fc2b74f99b3dcfffefe7fe2af268c3c04ab12ed188e784ce480c168ca0ee7ea0a166109a2d5e11e7183c28ce629613f2abf9da6398", 0xe1, 0x40, &(0x7f0000000180)={0x11, 0xf7, r1, 0x1, 0x20, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x14) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0x2000000000001000}, 0xfffffffffffffd2f) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) ioctl$sock_ifreq(r0, 0x8991, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_addrs=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x2, 0x0, 0x3, 0x0, {0xa, 0x3, 0x3, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x0, 0xaa}}, 0xfffffffffffffffb}}}}) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) [ 98.631347] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000080)=0x1d0) 2018/02/26 09:33:09 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$TUNSETPERSIST(r0, 0x400454cb, &(0x7f0000000040)=0x8db7) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[], 0x2c, 0x97) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) ioctl$PIO_FONT(r1, 0x4b61, &(0x7f0000000000)) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0505405, &(0x7f0000000000)={{0xffffffffffffffff, 0x3, 0x4c2, 0x0, 0x8001}, 0x232231bd, 0x1, 0x9}) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = socket$inet_sctp(0x2, 0x5, 0x84) getpeername$inet(r2, &(0x7f0000000040)={0x0, 0xffffffffffffffff, @loopback}, &(0x7f0000000080)=0x10) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) r2 = dup2(r1, r1) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000000)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x88}) ioctl$DRM_IOCTL_GEM_OPEN(r2, 0xc010640b, &(0x7f0000000080)={r3, r4, 0x3}) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) accept(r0, &(0x7f0000000000)=@ax25, &(0x7f0000000040)=0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) r5 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0xa86, 0x0) ioctl$PERF_EVENT_IOC_RESET(r5, 0x2403, 0x5) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 98.680399] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socket$nl_generic(0x10, 0x3, 0x10) [ 98.726125] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0, 0x9}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000080)={0x101, 0x7, 0x8, 0x2f5, 0x1, 0x8, 0x3, 0x5, r1}, &(0x7f00000000c0)=0x20) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1f, 0x0) socket$packet(0x11, 0x10000000000002, 0x300) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400000, 0x0) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x4}, 0x26b) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r3, 0x10e, 0x1, &(0x7f0000000040)=0x15, 0x4) fstat(r0, &(0x7f0000000080)) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000080), &(0x7f00000000c0)=0x14) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 7: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='io\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setrlimit(0xa, &(0x7f0000000000)={0x20, 0x9b7}) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f0000728000)={0xa, 0x0, 0x0, @empty}, 0x1c) r3 = syz_open_dev$tun(&(0x7f0000433ff3)='/dev/net/tun\x00', 0x0, 0xa) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000a5afd8)={@common='gre0\x00', @ifru_names=@generic="4f54000cc0a1ed4f3a0a1fdc222073b5"}) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r4 = fcntl$dupfd(r2, 0x0, r2) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000d02fd8)={@generic="0e204a937f1c1c0eab6a98d7d0ee5bd9", 0x0}) setsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f000064eff4)={r5, @rand_addr, @loopback=0x7f000001}, 0xc) recvfrom$inet6(r2, &(0x7f0000d37000)=""/4096, 0x1000, 0x0, 0x0, 0x0) write$tun(r3, &(0x7f0000d0abe1)=@hdr={0x1, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x415, 0xffffffffffffffff, 0x0, 0x0, 0x11, 0x0, @empty, @broadcast=0xffffffff, {[]}}, @dccp={{0xffffffffffffffff, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "b31d90", 0x0, "b99878"}, "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"}}}, 0x41f) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000180)={0x60, 0x0, &(0x7f0000000080)=[@release={0x40046306, 0x3}, @transaction={0x40406300, {0x3, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x18, 0x38, &(0x7f0000000000)=[@fd={0x66642a85, 0x0, r0, 0x0, 0x1}], &(0x7f0000000040)=[0x78, 0x0, 0x28, 0x0, 0x78, 0x48, 0x30]}}, @acquire={0x40046305, 0x2}, @decrefs={0x40046307, 0x1}, @register_looper={0x630b}], 0x58, 0x0, &(0x7f0000000100)="5258348134c3d18fd4fde329425f821442c0b2ff3a259061cfa90ca063796b8879d3206b7572b4ff73cfc99f41d1abc47f9f50e0a6a77bc8d345d493052927e4163837933719fba4aafbaad6ae7e45bbe4005a25ad8f77a5"}) rt_sigaction(0x11, &(0x7f0000000000)={0x8, {}, 0x2, 0x400}, &(0x7f0000000040), 0x8, &(0x7f0000000080)) preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) r1 = syz_open_dev$usbmon(&(0x7f000022fff3)='/dev/usbmon#\x00', 0x0, 0x0) poll(&(0x7f0000c33fc0)=[{r1}], 0x1, 0x4) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) ioctl$TUNGETVNETHDRSZ(r0, 0x800454d7, &(0x7f00000001c0)) 2018/02/26 09:33:09 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') recvfrom$unix(r0, &(0x7f0000000000)=""/35, 0x23, 0x1, &(0x7f0000000040)=@abs={0x1, 0x0, 0x1}, 0x8) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) ioctl$KDSIGACCEPT(r0, 0x4b4e, 0x5) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 0: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='io\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$packet_int(r1, 0x107, 0x1f, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 6: clone(0x200, &(0x7f0000b6b000), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f000007b000)='./file0\x00', &(0x7f00004cafe8)=[], &(0x7f0000c26000)=[]) r0 = syz_open_procfs(0x0, &(0x7f000042cff4)='io\x00') pread64(r0, &(0x7f00009f3000), 0x352, 0x0) lseek(r0, 0x0, 0x0) pread64(r0, &(0x7f0000f86c2b)=""/84, 0x54, 0x0) open$dir(&(0x7f000026d000)='./file0\x00', 0x26102, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x2) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) write(r1, &(0x7f0000000000)='n', 0x1) [ 98.850620] device gre0 entered promiscuous mode 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 6: clone(0x200, &(0x7f0000b6b000), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f000007b000)='./file0\x00', &(0x7f00004cafe8)=[], &(0x7f0000c26000)=[]) r0 = syz_open_procfs(0x0, &(0x7f000042cff4)='io\x00') pread64(r0, &(0x7f00009f3000), 0x352, 0x0) lseek(r0, 0x0, 0x0) pread64(r0, &(0x7f0000f86c2b)=""/84, 0x54, 0x0) open$dir(&(0x7f000026d000)='./file0\x00', 0x26102, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x2) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) write(r1, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:09 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) capget(&(0x7f00000000c0)={0x39980732, r2}, &(0x7f0000000100)={0x3, 0xfffffffffffffff8, 0xfffffffffffffff8, 0x5, 0x1, 0xfffffffffffffff8}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 7: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) ioctl$sock_netrom_SIOCGSTAMP(r0, 0x8906, &(0x7f0000000000)) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 5: r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x6) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) r0 = open(&(0x7f0000000000)='./file0\x00', 0x20a02, 0x20) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r1 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') ioctl$TUNDETACHFILTER(r0, 0x401054d6, 0x0) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000040)) preadv(r1, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x3, 0xfffffffffffffffe}, 0x4) setsockopt$inet_msfilter(0xffffffffffffffff, 0x0, 0x29, &(0x7f0000000040)={@loopback=0x7f000001, @multicast1=0xe0000001, 0x0, 0x3, [@multicast2=0xe0000002, @multicast2=0xe0000002, @multicast1=0xe0000001]}, 0x1c) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000040)) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x800) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x800, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={@common='vlan0\x00', @ifru_ivalue=0x2}) getpeername$ax25(r2, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$VT_WAITACTIVE(r2, 0x5607) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setrlimit(0xa, &(0x7f0000000000)={0x20, 0x9b7}) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f0000728000)={0xa, 0x0, 0x0, @empty}, 0x1c) r3 = syz_open_dev$tun(&(0x7f0000433ff3)='/dev/net/tun\x00', 0x0, 0xa) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000a5afd8)={@common='gre0\x00', @ifru_names=@generic="4f54000cc0a1ed4f3a0a1fdc222073b5"}) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r4 = fcntl$dupfd(r2, 0x0, r2) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000d02fd8)={@generic="0e204a937f1c1c0eab6a98d7d0ee5bd9", 0x0}) setsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f000064eff4)={r5, @rand_addr, @loopback=0x7f000001}, 0xc) recvfrom$inet6(r2, &(0x7f0000d37000)=""/4096, 0x1000, 0x0, 0x0, 0x0) write$tun(r3, &(0x7f0000d0abe1)=@hdr={0x1, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x415, 0xffffffffffffffff, 0x0, 0x0, 0x11, 0x0, @empty, @broadcast=0xffffffff, {[]}}, @dccp={{0xffffffffffffffff, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "b31d90", 0x0, "b99878"}, "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"}}}, 0x41f) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000)=0xfffffffffffffffd, 0xfffffffffffffff7) r1 = socket$packet(0x11, 0x2, 0x300) r2 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x7f, 0x40003) ioctl$EVIOCGEFFECTS(r2, 0x80044584, &(0x7f0000000040)=""/219) r3 = open(&(0x7f0000000140)='./file0\x00', 0x2, 0x4) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000001c0)=0x0) sendmsg$nl_route(r3, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80108}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)=@dellink={0xe4, 0x11, 0x1, 0x5, 0x3, {0x0, 0x0, 0x0, 0x0, 0x4000, 0x8}, [@IFLA_NET_NS_PID={0x8, 0x13, r4}, @IFLA_LINKINFO={0xb4, 0x12, [@IFLA_INFO_DATA={0x58, 0x2, "9748fa4be3d9a2f70c8da57a616894122d9e97d9c41370776256149a597c5c6ad792fb46e7194922faf281259cb5c8ac912630dd73cb9724010e91b62cbe000b91f6091809430703a46536c1247c972c4d"}, @IFLA_INFO_KIND={0x8, 0x1, ',\x00'}, @IFLA_INFO_KIND={0x18, 0x1, 'vboxnet0ppp1^^$\\!\x00'}, @IFLA_INFO_DATA={0x18, 0x2, "da17b70e1e1dc53cbdb11976b8f8a4cfa0e5"}, @IFLA_INFO_KIND={0x8, 0x1, '\x00'}, @IFLA_INFO_KIND={0x18, 0x1, '/dev/input/event#\x00'}]}, @IFLA_PROTO_DOWN={0x8, 0x27, 0x34d3}]}, 0xe4}, 0x1, 0x0, 0x0, 0x10}, 0x54) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) 2018/02/26 09:33:09 executing program 0: execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000000180)=[], &(0x7f00000000c0)=[&(0x7f0000000000)='ppp0$selfvmnet1wlan1+proc\x00', &(0x7f0000000040)='+)\x00', &(0x7f0000000100)='}/ppp1\x00']) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000000080)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000040)) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) utime(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x8, 0x80}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:09 executing program 4: setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r0 = socket$packet(0x11, 0x2, 0x300) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x1, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000040)) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 2: r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x6) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futimesat(r0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{}, {r1, r2/1000+10000}}) r3 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r3}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000040)) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) utime(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x8, 0x80}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:09 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000000)=0x2, 0x4) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1d, &(0x7f0000000040)=""/4096, &(0x7f0000001040)=0x1000) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f00000012c0)=[{&(0x7f00000010c0)=""/4, 0x4}, {&(0x7f0000001100)=""/252, 0xfc}, {&(0x7f0000001200)=""/81, 0x51}, {&(0x7f0000001280)=""/18, 0x12}], 0x4, 0x0) 2018/02/26 09:33:09 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x981}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f00000000c0)={r2, 0x5, 0x67, "086b7bd0cc365d6b18444abafb61615608b47908d6c22c8512b4ac60d29d753da3bbe8bc3e77130c9a6865d7dc56ea579f64ea64a9d75c5430b35f3a0d93cd6edae242855563bada74e54ca19d5dc547debc80fbd4579fdbf88737ba517b7fe0e3739add783ace"}, 0x6f) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) recvmsg(r0, &(0x7f0000002680)={&(0x7f0000000280)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @dev}}}, 0x32, &(0x7f0000002600)=[{&(0x7f00000002c0)=""/4096, 0x1000}, {&(0x7f00000012c0)=""/239, 0xef}, {&(0x7f00000013c0)=""/4096, 0x1000}, {&(0x7f00000023c0)=""/30, 0x1e}, {&(0x7f0000002400)=""/219, 0xdb}, {&(0x7f0000002500)=""/209, 0xd1}], 0x6, 0x0, 0x0, 0x1}, 0x100) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f00000026c0)={0x0, 0x87, 0x3, 0x1, 0x3, 0x1, 0x81, 0x8, {0x0, @in={{0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1000, 0x80000000, 0x1, 0x10000, 0x1}}, &(0x7f0000002780)=0xb8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r4, 0x84, 0x1c, &(0x7f0000000140), &(0x7f0000000180)=0x4) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000027c0)={0x0, 0x7, 0x1, [0x5]}, &(0x7f0000002800)=0xa) setsockopt$netrom_NETROM_T2(r4, 0x103, 0x2, &(0x7f00000001c0), 0x4) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f0000000040)={r5, 0x5}, &(0x7f0000000080)=0xffffff96) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0)={r6, 0x7}, 0x8) [ 99.148886] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 99.164342] device gre0 entered promiscuous mode [ 99.180456] TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/02/26 09:33:09 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet6_dccp_int(r2, 0x21, 0x5, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) getsockname(r0, &(0x7f0000000000)=@nfc_llcp, &(0x7f0000000080)=0x60) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f00000000c0), &(0x7f0000000100)=0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x200, 0x0) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f0000000040)=0x5, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) [ 99.199913] net_ratelimit: 201 callbacks suppressed [ 99.199920] IPv4: Oversized IP packet from 127.0.0.1 [ 99.210130] IPv4: Oversized IP packet from 127.0.0.1 2018/02/26 09:33:09 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = dup(r1) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x3, 0x2f, 0xffffffffffffff80, 0x8, 0x200}, &(0x7f0000000040)=0x14) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r2, 0x84, 0x5, &(0x7f0000000080)={r3, @in={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x13}}}}, 0x8c) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000080)={r3, @in6={{0xa, 0x0, 0x7, @mcast1={0xff, 0x1, [], 0x1}}}}, &(0x7f0000000140)=0x8c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$void(r1, 0x5451) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0xe9268d1f80ad78a4, 0x0) bind$nfc_llcp(r4, &(0x7f0000000040)={0x27, 0xfffffffffffffffe, 0x80000000000, 0x7, 0xba8, 0xffffffffffffd080, "8e823497536011a2cff75f8b672c976f2f75006578f7a6bea6983f90df246dc071576d9a672f48c9c3592eaa72cd46eb9364882143fce90fc8470a74175d22", 0x4}, 0x60) write(r0, &(0x7f0000000000)='n', 0x1) [ 99.242303] IPv4: Oversized IP packet from 127.0.0.1 [ 99.252435] IPv4: Oversized IP packet from 127.0.0.1 [ 99.257723] IPv4: Oversized IP packet from 127.0.0.1 [ 99.265574] IPv4: Oversized IP packet from 127.0.0.1 [ 99.270879] IPv4: Oversized IP packet from 127.0.0.1 [ 99.285925] IPv4: Oversized IP packet from 127.0.0.1 [ 99.291183] IPv4: Oversized IP packet from 127.0.0.1 [ 99.300596] TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. [ 99.314545] IPv4: Oversized IP packet from 127.0.0.1 2018/02/26 09:33:09 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000000000)={@empty, @loopback}, &(0x7f0000000040)=0xc) r1 = socket$packet(0x11, 0x5, 0x300) ioctl(r1, 0x0, &(0x7f0000000080)="e00f766257ce462d6272f7575fdb5526c881c42306408c1b24bd976c2f68f60134d15fd927cd6ba7e167") setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000000080)="f8f72b49b82435681eb15506efd37ae4de29e29e63958914e36f592ee7c5e440822c34b56c19d74dd3a5ad419c41487b0a0b3c796fbf7ae78ab5932438b09f0f12ec037694682b822d4da23f5be94daf08ce7a45a2896b3dcf2599ed558918cb4d4497ed68675ae014941a971a", 0x73e0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000000)={{{@in6=@remote, @in6=@ipv4={[], [], @broadcast}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast2}}, 0x0, @in6=@empty}}, &(0x7f0000000100)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0}, &(0x7f0000000180)=0xc) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f00000001c0)={{{@in=@rand_addr=0x80000000, @in=@remote={0xac, 0x14, 0x0, 0xbb}, 0x3, 0x0, 0x3, 0x35d, 0x2, 0x20, 0xa0, 0x2c, r1, r2}, {0x321, 0x7fffffff, 0x0, 0x2, 0x583, 0x2, 0x5, 0x5}, {0x1, 0xfff, 0x80000000, 0x10000}, 0x1, 0xb, 0x0, 0x1, 0x2, 0x2}, {{@in=@local={0xac, 0x14, 0x0, 0xaa}, 0x3, 0xff}, 0xa, @in=@rand_addr=0x8, 0x7, 0x0, 0x3, 0x1, 0x8, 0x8, 0x3ff}}, 0xe8) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:09 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) rename(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = fcntl$dupfd(r0, 0x0, r0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x5}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000100)={r3, 0x6}, 0x8) 2018/02/26 09:33:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) r2 = dup(r1) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x3, 0x2f, 0xffffffffffffff80, 0x8, 0x200}, &(0x7f0000000040)=0x14) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r2, 0x84, 0x5, &(0x7f0000000080)={r3, @in={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x13}}}}, 0x8c) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000080)={r3, @in6={{0xa, 0x0, 0x7, @mcast1={0xff, 0x1, [], 0x1}}}}, &(0x7f0000000140)=0x8c) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$void(r1, 0x5451) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0xe9268d1f80ad78a4, 0x0) bind$nfc_llcp(r4, &(0x7f0000000040)={0x27, 0xfffffffffffffffe, 0x80000000000, 0x7, 0xba8, 0xffffffffffffd080, "8e823497536011a2cff75f8b672c976f2f75006578f7a6bea6983f90df246dc071576d9a672f48c9c3592eaa72cd46eb9364882143fce90fc8470a74175d22", 0x4}, 0x60) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:09 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:09 executing program 6: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x200000) ioctl$DRM_IOCTL_IRQ_BUSID(r0, 0xc0106403, &(0x7f0000000040)={0x2, 0x6, 0x1ff, 0xb6}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r2, 0x0) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) ioctl$sock_SIOCGIFBR(r2, 0x8940, &(0x7f0000000040)=@add_del={0x2, &(0x7f0000000000)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x100000000}) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r1, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:09 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x4000000) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000040)) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) geteuid() r0 = openat$selinux_context(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/context\x00', 0x2, 0x0) ioctl(r0, 0xffffffffffff76a4, &(0x7f0000000040)="0a803a9ed604279568174ed7621326deb31927694ab3a51726a4d7c11f443cc2c866a3881417ba97f93b5f87e935c3faa72e86ecb9ae65784a7da708c2c1a09d2f11a4a00dec515c36988f8eef5e12efe24b4c723e6ecbd1a2ec73a171a5da379d5a8124afbab3c97c5bec69da6b7124975cf9834e17") r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/llc\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2002, &(0x7f0000ad5000)) 2018/02/26 09:33:09 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xca, &(0x7f0000000080)={0x8, 0x0, 0xa7, 0x100000001, 0x9}, 0xc) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f00000000c0)={0xed, 0x2, 0x40, 0x4, 0x0}, &(0x7f0000000100)=0x10) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000140)={r3, 0x1000}, 0x8) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) msync(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x1) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) r2 = dup(r0) ioctl$BINDER_SET_MAX_THREADS(r2, 0x40046205, 0x1) write(r0, &(0x7f0000000000)='n', 0x1) keyctl$set_reqkey_keyring(0xe, 0x7) [ 99.440489] TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 99.471398] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:10 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000000)={@local, 0x0}, &(0x7f0000000040)=0x14) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000080)={@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x8, r2}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) ioctl$sock_SIOCADDDLCI(r1, 0x8980, &(0x7f00000000c0)={@common='ip6_vti0\x00', 0x7}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000000040)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket(0x11, 0x0, 0x9) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f0000000040)=0xc) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2000000000000005, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0x1000}, 0x4) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0xc) syz_open_procfs(r3, &(0x7f0000000100)='status\x00') sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = accept(r0, &(0x7f0000000040)=@in={0x0, 0xffffffffffffffff, @multicast1}, &(0x7f0000000080)=0x10) accept4(r0, &(0x7f0000000140)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000180)=0x14, 0x800) setsockopt$inet6_IPV6_PKTINFO(r2, 0x29, 0x32, &(0x7f00000001c0)={@loopback={0x0, 0x1}, r3}, 0x14) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') sendfile(r0, r0, &(0x7f0000000000)=0x6, 0xaf) poll(&(0x7f0000000000)=[{r0, 0x80}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x0, 0x5) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000040)) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000000000), &(0x7f0000000040)=0x4) r2 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/enforce\x00', 0x20000, 0x0) r3 = add_key(&(0x7f00000000c0)='trusted\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffc) r4 = geteuid() fstat(r1, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r3, r4, r5) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r1, 0x111, 0x3, 0x1, 0x4) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f00000000c0)="44988494fa89801163bee9c2f0d416c180f3a95bd1f5b07d569049ce6d048d62246033b6b14c00000b0bdb29c77a78ce83872e874bdd0b4e1a885248bb7ab21522244c322f94ca71cde39055583d52c04b8357af153cfba5d5e6d4a1558f4989b438225db43b7f9155c6747f8b27c4291a04fab1c79baee28d112c33c30ab82bfbd16e9da4fc95f0fae839d908dd0e70a37f209ca3a56f4e9869990afb39e1900db63715fa2603c9e1") setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r6 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r6, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$sock_int(r1, 0x1, 0x9, &(0x7f0000000180)=0x4, 0x4) ioctl$TIOCMSET(r1, 0x5418, &(0x7f0000000180)) [ 99.506206] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:10 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000000)={@local, 0x0}, &(0x7f0000000040)=0x14) ioctl$sock_inet6_SIOCDIFADDR(r1, 0x8936, &(0x7f0000000080)={@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x8, r2}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) ioctl$sock_SIOCADDDLCI(r1, 0x8980, &(0x7f00000000c0)={@common='ip6_vti0\x00', 0x7}) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(0xffffffffffffffff, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r1 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r2 = accept4$inet(r1, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r3, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r2, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={r4, 0x400}, 0x8) r5 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r5, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r6 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r6, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r5, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(0xffffffffffffffff, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r1 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r2 = accept4$inet(r1, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r3, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r2, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={r4, 0x400}, 0x8) r5 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r5, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r6 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r6, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r5, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = dup3(r0, r0, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000040)={{{@in=@empty, @in6=@mcast1}}, {{@in6=@empty}, 0x0, @in=@loopback}}, &(0x7f0000000140)=0xe8) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f00000000c0)='lp\x00', 0x3) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$VT_GETSTATE(r2, 0x5603, &(0x7f0000000040)={0x8, 0xfffffffffffffffc, 0x7fff}) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 99.563149] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 99.569595] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. [ 99.595853] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:10 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000000)={0x0, 0x2710}, 0x10) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000000)={{{@in=@broadcast, @in=@multicast1}}, {{@in6=@local}, 0x0, @in6=@mcast2}}, &(0x7f0000000100)=0xe8) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(0xffffffffffffffff, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r1 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r2 = accept4$inet(r1, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r3, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r2, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={r4, 0x400}, 0x8) r5 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r5, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r6 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r6, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r5, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 99.656168] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:10 executing program 6: r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/udp6\x00') getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000040)={0x0, 0x40, "2058c7f34b07497ff41cf7659e5de33afd9ef0e004d48615866c08b9409a35e170f9ade8f9d9cedc4fa5c77938bf7599bc918f2d435296ebfb19eaeb29ba8873"}, &(0x7f0000000100)=0x48) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000140)=@assoc_id=r2, 0x4) r3 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) accept4$inet(r1, &(0x7f0000000040)={0x0, 0xffffffffffffffff, @dev}, &(0x7f0000000080)=0x10, 0x80800) preadv(r1, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) r0 = socket$pptp(0x18, 0x1, 0x2) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000)={0x800, 0x51}, 0x8) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) recvmmsg(0xffffffffffffffff, &(0x7f0000005e80)=[{{&(0x7f0000000000)=ANY=[@ANYBLOB="0000000000000000000000000000000000000000000000009d1d5dcc3fdcbc977c35b992267550023e2fa3de000000000000"], 0x1e, &(0x7f0000000340)=[{&(0x7f0000000040)=""/165, 0xa5}, {&(0x7f0000000100)=""/12, 0xc}, {&(0x7f0000000140)=""/37, 0x25}, {&(0x7f0000000180)=""/159, 0x9f}, {&(0x7f0000000240)=""/196, 0xc4}], 0x5, &(0x7f00000003c0)=""/4096, 0x1000, 0x660ad678}, 0x5}, {{0x0, 0x0, &(0x7f0000001600)=[{&(0x7f00000013c0)=""/125, 0x7d}, {&(0x7f0000001440)}, {&(0x7f0000001480)=""/180, 0xb4}, {&(0x7f0000001540)=""/33, 0x21}, {&(0x7f0000001580)=""/32, 0x20}, {&(0x7f00000015c0)=""/1, 0x1}], 0x6, &(0x7f0000001680)=""/189, 0xbd, 0x9}, 0x7}, {{&(0x7f0000001740)=@un=@file={0x0, ""/4096}, 0x1002, &(0x7f0000002840)=[{&(0x7f0000002780)=""/190, 0xbe}], 0x1, &(0x7f0000002880)=""/4096, 0x1000, 0x9}, 0x9}, {{&(0x7f0000003880)=@pppoe={0x0, 0x0, {0x0, @link_local, @common}}, 0x1e, &(0x7f0000003d40)=[{&(0x7f00000038c0)=""/110, 0x6e}, {&(0x7f0000003940)=""/68, 0x44}, {&(0x7f00000039c0)=""/180, 0xb4}, {&(0x7f0000003a80)=""/117, 0x75}, {&(0x7f0000003b00)=""/39, 0x27}, {&(0x7f0000003b40)}, {&(0x7f0000003b80)=""/184, 0xb8}, {&(0x7f0000003c40)=""/225, 0xe1}], 0x8, &(0x7f0000003dc0)=""/201, 0xc9, 0x401}, 0x40}, {{&(0x7f0000003ec0)=@pppol2tp={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @broadcast}}}, 0x26, &(0x7f0000004180)=[{&(0x7f0000003f00)=""/243, 0xf3}, {&(0x7f0000004000)=""/174, 0xae}, {&(0x7f00000040c0)=""/164, 0xa4}], 0x3, 0x0, 0x0, 0xd7b8}, 0xffff}, {{0x0, 0x0, &(0x7f0000005540)=[{&(0x7f00000041c0)=""/129, 0x81}, {&(0x7f0000004280)=""/157, 0x9d}, {&(0x7f0000004340)=""/230, 0xe6}, {&(0x7f0000004440)=""/97, 0x61}, {&(0x7f00000044c0)=""/4096, 0x1000}, {&(0x7f00000054c0)=""/93, 0x5d}], 0x6, &(0x7f00000055c0)=""/56, 0x38, 0xb1ddb87400}, 0x3ff}, {{&(0x7f0000005600)=@pppoe={0x0, 0x0, {0x0, @broadcast, @syzn}}, 0x1e, &(0x7f00000056c0)=[{&(0x7f0000005640)=""/52, 0x34}, {&(0x7f0000005680)=""/15, 0xf}], 0x2, &(0x7f0000005700)=""/29, 0x1d, 0xbf41}, 0x2e052a4d}, {{&(0x7f0000005740)=@nl=@proc, 0xc, &(0x7f0000005b00)=[{&(0x7f0000005780)=""/41, 0x29}, {&(0x7f00000057c0)=""/124, 0x7c}, {&(0x7f0000005840)=""/170, 0xaa}, {&(0x7f0000005900)=""/165, 0xa5}, {&(0x7f00000059c0)=""/36, 0x24}, {&(0x7f0000005a00)=""/220, 0xdc}], 0x6, &(0x7f0000005b80)=""/247, 0xf7, 0x121}, 0x25}, {{&(0x7f0000005c80)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @dev}}}, 0x32, &(0x7f0000005e40)=[{&(0x7f0000005cc0)=""/144, 0x90}, {&(0x7f0000005d80)=""/9, 0x9}, {&(0x7f0000005dc0)=""/23, 0x17}, {&(0x7f0000005e00)=""/64, 0x40}], 0x4, 0x0, 0x0, 0x8}, 0x401}], 0x9, 0x20, 0x0) getpeername(0xffffffffffffff9c, &(0x7f00000061c0)=@can={0x0, 0x0}, &(0x7f0000006200)=0x10) sendto(r1, &(0x7f00000060c0)="12cb18619314f46ff8e9e14be136b12939f191309152743b3b765cc0a41dd201303a45086b58fc0a4d3560b47c96f63b826c05e6c319dc23c3b19174b1fa87adc5ed1aeb6d1a0455a41ea7a2daf7299e2f0b657555b91bb43c6a2814b88f8fcb52817f9d620e4455e00c49330fa0f69f508d4eaa752304341ca64207ceb409942f1a772848035ad0d04f8c865956bfc5e4f57b0155ef8b2f5e1698649569ad7bd8fa3da1dcffc6be4fe89b8fa74c4a62618436e3f901cd3740d05c87a750806dd9", 0xc1, 0x4000000, &(0x7f0000006240)=@hci={0x1f, r2, 0x2}, 0xc) r3 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r3}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0xe, 0x3) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x48, &(0x7f0000000000)=[@in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in6={0xa, 0x2, 0x41, @empty}, @in6={0xa, 0x2, 0x1, @empty, 0x800}]}, &(0x7f00000000c0)=0x10) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000100)={{0x2, 0x1, @remote={0xac, 0x14, 0x0, 0xbb}}, {0x306, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0xc, {0x2, 0x0, @rand_addr=0x6}, @syzn={0x73, 0x79, 0x7a, 0x0}}) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000100)={r1, 0x75, "babdb07bc9329bbe8e2d932ccc7e9c088b4e208d749f641ada59429a598d9f41b3500364f65fd5585ffd72bb96b80aca2a272b58345ec128dec342e746f748c513ad0d370c5c61274138e429101406208de8fcb843c07cec5d284672fe992ae7ef7c1b9ad7c3d00c91511dcdef50cab74ad7014731"}, &(0x7f0000000180)=0x7d) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc), 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x0) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x585040, 0x0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) msync(&(0x7f0000fea000/0x13000)=nil, 0x13000, 0x2) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) lookup_dcookie(0x3f, &(0x7f0000000040)=""/90, 0x5a) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(0xffffffffffffffff, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = accept$packet(0xffffffffffffff9c, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000040)=0x14) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:10 executing program 7: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000000)=0x0) ptrace$poke(0xffffffffffffffff, r0, &(0x7f0000000040), 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000080)) listen(r2, 0x0) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) fsetxattr(r1, &(0x7f00000000c0)=@random={'security.', '{vboxnet0\x00'}, &(0x7f0000000100)='\x00', 0x1, 0x1) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vga_arbiter\x00', 0x301000, 0x0) mq_timedreceive(r3, &(0x7f0000000180)=""/62, 0x3e, 0xfffffffffffff000, 0x0) ioctl$VT_RESIZE(r1, 0x5609, &(0x7f00000000c0)={0x80, 0x7af, 0x9}) write(r1, &(0x7f0000000000)='n', 0x1) socketpair(0x1, 0x80f, 0x4, &(0x7f0000000040)={0x0, 0x0}) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000080)={0x4, 0x6, 0xb000}, 0x4) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = fcntl$dupfd(r0, 0x0, r0) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r2, 0x40505331, &(0x7f0000000040)={{0x5, 0x2}, {0x5, 0x9}, 0xdf, 0x2, 0x20}) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = creat(&(0x7f0000000040)='./file0\x00', 0x40) ioctl$SNDRV_TIMER_IOCTL_START(r2, 0x54a0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffd}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x585040, 0x0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) [ 99.875948] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. [ 99.905847] TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(0xffffffffffffffff, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x585040, 0x0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1000000000000118, 0x0) getsockopt$inet6_opts(r0, 0x29, 0x3f, &(0x7f0000000000)=""/190, &(0x7f00000000c0)=0xbe) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x400000002, 0x0) mkdir(&(0x7f0000c4e000)='./file0\x00', 0x0) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000040)={0xae, 0x3, 0x2, 0x6, 0x106, 0x4, 0x5, 0x7ffb, 0x0}, &(0x7f0000000080)=0x20) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={r2, 0x100000000}, 0x8) r3 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) mkdirat(r3, &(0x7f0000033ff8)='./file0\x00', 0x0) mount(&(0x7f0000432ff2)='./file0/file0\x00', &(0x7f00003c9000)='./file0\x00', &(0x7f000010bff7)='configfs\x00', 0x1001, &(0x7f0000a06000)) unlinkat(r3, &(0x7f000057d000)='./file0\x00', 0x200) mount(&(0x7f0000609000)='./file0\x00', &(0x7f0000712000)='./file0\x00', &(0x7f0000df4000)='ext3\x00', 0x40002000, &(0x7f0000d2847b)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r4 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$inet_group_source_req(r0, 0x0, 0x2b, &(0x7f0000000040)={0x404000000, {{0x2, 0x0, @loopback=0x7f000001}}, {{0x2, 0x3, @multicast2=0xe0000002}}}, 0x118) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x7, 0x2, 0xfffffffffffffffe}, 0x4) accept$packet(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000080)=0x14) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000000c0)={0x0, 0x80000001}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000140)=@assoc_value={r2, 0x3}, 0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) rmdir(&(0x7f0000000000)='./file0\x00') r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f0000000040), &(0x7f0000000080)=0x8) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) rt_sigprocmask(0x1, &(0x7f0000000000)={0x10001}, &(0x7f0000000040), 0x8) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:10 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = creat(&(0x7f0000000040)='./file0\x00', 0x40) ioctl$SNDRV_TIMER_IOCTL_START(r2, 0x54a0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffd}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x0, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(0xffffffffffffffff, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(0xffffffffffffffff, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) inotify_init() setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) ioctl$ASHMEM_GET_SIZE(r0, 0x7704, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0x0, 0x802) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x94840, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000040)={0x0, 0x13, "d6068735302a6bea8b440b6c6b42adf7339f6d"}, &(0x7f0000000080)=0x1b) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f00000000c0)={r3, 0x6}, &(0x7f0000000100)=0x8) r4 = request_key(&(0x7f0000000000)='.dead\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)="70726f637573657273656375726974795d5e75736572c3237070703100", 0xfffffffffffffffc) keyctl$set_timeout(0xf, r4, 0x800) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x40000, 0x0) open$dir(&(0x7f0000000040)='./file0\x00', 0xc0040, 0x30) sendmsg$nl_generic(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x32, 0x810, 0x6, 0x0, {0x1}, []}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x20048885) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') ioctl$TIOCSCTTY(r0, 0x540e, 0x0) r1 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffe) r2 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$negate(0xd, r1, 0x7, r2) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) ioctl$KDSKBSENT(r0, 0x4b49, &(0x7f0000000000)="25c1a3ae03ab16c4c1b275f980246507ce1f4e2beb53836b19fba5b31be39240aeec89953ae1a494b691b585b0a8671eb9f1f522ad0f2eb83ea06ba964223376f9fdf1d3f09c7a785c53a3c75071f644d81c9bf9") sendmsg$nfc_llcp(r0, &(0x7f00000003c0)={&(0x7f0000000080)={0x27, 0x6, 0xf5f1, 0x5, 0x9, 0x0, "04c0f59baa1ab2fbd7d896a73ad1905206e2568533fe1f78967ed732c4b7859eccfdad82da37321c8b66216ff82d7d12b3bb93c28f091a02530d4f3aaf002a"}, 0x60, &(0x7f0000000300)=[{&(0x7f0000000100)="307056bb6bd88b7cb8c0a7037d68d9cbe4c7b3a3610756", 0x17}, {&(0x7f0000000140)="d691c78a711c883a887344e9aa7aab13cdbc3a39990557d91037a3478d130d31", 0x20}, {&(0x7f0000000180)="52feebf3fd58d121b9ca3d403832703a719384bb5383984aea9fb90518d3c6864c9b4914a0ae940295ab95047a8a73f394c4417a5f68b84538515878f1e62e551d4b0fdf3c34afd026714d66d5d32eb616588aae81cf7d18dfb0ab91dcaeeff6481322c51693e776b8b890f8bb65dc65df3b7698b5cfd2e924765c62929251a48ee8e554670f65e2c7064f499b60904054c234ca4df8dde85e0fdfe6168e27ce3c9be9b7d9a0b52e8fa90736b73d9fd9e8e6050683324b4406", 0xb9}, {&(0x7f0000000240)="41ea7805eadb393a3f2a4e39fedac0c0909eb531db5bc0f08a2131b53b93e618261be7976387ea24f70b59b4878527acbe42d0eb20fa02ad55554cfb8cba0dc2667a93b6ffeab44e430fc104148f1c978eb8dd72aa81dda1e128ddb77c562774f4d1a4f0e638f3625e35d1c645d5aa7c9d593e956a344f4760d862610afc15d0fb", 0x81}], 0x4, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x70, 0x804}, 0x4040010) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) rt_sigprocmask(0x1, &(0x7f0000000000)={0x10001}, &(0x7f0000000040), 0x8) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @empty, 0xfffffffffffffffa}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:10 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b005200030820020006"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b005200030820"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x1, 0xfffffffffffffd79) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$packet_buf(r1, 0x107, 0x3, &(0x7f0000000040)="ec41aae0fa65496ffb7e7caf8a5a07a86730c469c3ec9d682acc9a4fd00db54b849651df3d6edcbfdc48a4fa80f59a5333ba8a38beafd289836a846f11430f53dea5de1fe26d113f86b536ead509bba79a564171ae3569c04b4a861c71ea4795a1975365b4681084808a601bc5fd7ca0f900c4dd8cfd3d6221540ff8114acd04cc1ec8243c78c03ea21e213e8bf4e4386d3dcd6133e327caa44e884552ef6a83245a995db4d75024cd7987aac9", 0xad) 2018/02/26 09:33:10 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40000, 0x0) ioctl$EVIOCGABS2F(r2, 0x8018456f, &(0x7f0000000040)=""/136) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:10 executing program 5: mkdir(&(0x7f0000000080)='./file0\x00', 0x1) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) ptrace$getregset(0x4204, r0, 0x4, &(0x7f00000000c0)={&(0x7f0000000080)=""/12, 0xc}) r1 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$sock_int(r1, 0x1, 0xa, &(0x7f0000000100)=0x5, 0x4) r2 = syz_open_procfs(r0, &(0x7f00008f6ff9)="6d6f756ef47300") ioctl$GIO_UNIMAP(r2, 0x4b66, &(0x7f0000000040)={0x4, &(0x7f0000000000)=[{}, {}, {}, {}]}) poll(&(0x7f0000000100)=[], 0x2000005e, 0x9e) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:10 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x31, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x96c}, 0x1c) r1 = open(&(0x7f0000520ff8)='./file0\x00', 0x141042, 0x0) ftruncate(r1, 0x7fff) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f000051bff6)='/dev/ptmx\x00', 0x802, 0x0) sendfile(r2, r1, &(0x7f0000335ff8), 0xffffffff) ioctl$TIOCSSOFTCAR(r2, 0x541a, &(0x7f000000af40)=0x4) r3 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) bind$pptp(r1, &(0x7f0000000040)={0x18, 0x2, {0x0, @multicast1=0xe0000001}}, 0x20) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:10 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) [ 100.404605] audit: type=1400 audit(1519637590.932:47): avc: denied { setopt } for pid=24102 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0xfffffffffffffffd) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = fcntl$dupfd(r0, 0x408, r0) bind$netlink(r1, &(0x7f0000000000)={0x10, 0x0, 0x3, 0x2000}, 0xc) socketpair(0x5, 0x80006, 0x80, &(0x7f0000000000)={0x0}) ioctl$TCSETAF(r0, 0x5408, &(0x7f0000000000)={0x81, 0x401, 0xffffffff00000001, 0x6, 0x7, 0x80000001, 0x2, 0x7, 0x0, 0x4}) ioctl$EVIOCGKEYCODE(r1, 0x80084504, &(0x7f0000000000)=""/177) ioctl$DRM_IOCTL_IRQ_BUSID(r2, 0xc0106403, &(0x7f00000000c0)={0x2, 0x8, 0xfffffffffffffc01, 0x7}) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socket$key(0xf, 0x3, 0x2) getsockopt$nfc_llcp(r1, 0x118, 0x7, &(0x7f00000000c0)=""/81, 0x51) r4 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$setperm(0x5, r4, 0x100400) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000140)={0x6, 0x10001, 0x3, 0x8}, 0x8) 2018/02/26 09:33:11 executing program 2: syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0xffffffffffffffff, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000)=0x4, 0x4) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$packet_rx_ring(r1, 0x107, 0x5, &(0x7f0000000040)=@req={0x6, 0x4, 0x8d9, 0xffffffffffff7fff}, 0x10) r2 = socket$packet(0x11, 0x2, 0x300) socket$inet6(0xa, 0x5, 0x9) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = accept4$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f0000000040)=0x1c, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000080)={{{@in6=@ipv4={[], [], @dev}, @in=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@multicast2}}, &(0x7f0000000180)=0xe8) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f00000001c0)={@mcast1={0xff, 0x1, [], 0x1}, @loopback={0x0, 0x1}, @empty, 0x6, 0x5, 0x5, 0x400, 0x100000001, 0x2000010, r1}) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r3 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r3}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000001b00)={0x0}, &(0x7f0000001b40)=0xc) r5 = getegid() getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000001e40)={0x0}, &(0x7f0000001e80)=0xc) r7 = getegid() ioctl$sock_SIOCGPGRP(r3, 0x8904, &(0x7f0000002100)=0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000002140)={0x0, 0x0, 0x0}, &(0x7f0000002180)=0xc) r10 = getpgid(0xffffffffffffffff) fstat(r3, &(0x7f0000003600)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000003680)=0x0) fstat(r3, &(0x7f00000036c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r14 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000003740)='/selinux/status\x00', 0x0, 0x0) r15 = getpid() getresgid(&(0x7f0000003780)=0x0, &(0x7f00000037c0), &(0x7f0000003800)) fcntl$getownex(r0, 0x10, &(0x7f0000003840)={0x0, 0x0}) getgroups(0x4, &(0x7f0000003880)=[0x0, 0xffffffffffffffff, 0x0, 0x0]) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000038c0)={0x0}, &(0x7f0000003900)=0xc) lstat(&(0x7f0000003940)='./file0\x00', &(0x7f0000003980)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000003e80)=0x0) stat(&(0x7f0000003ec0)='.', &(0x7f0000003f00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000003f80)=0x0) stat(&(0x7f0000003fc0)='./file0\x00', &(0x7f0000004000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r3, &(0x7f0000004100)=[{&(0x7f0000000240)=@file={0x1, '.'}, 0x3, &(0x7f0000000480)=[{&(0x7f0000000280)="9949fb9531a30b3f233c151f218ed3db0257b87508c4c26aa6a388e9f7d8dc012a19bab48d0243e0040418a22a47389148c37326b2acdd719107ce1aeebd72a5965466b717da95ea07252b783a369133aa1522d3c7e4ba469bff9eaf9140f0e515073218c0845f585f83763c528743492019b8046dbfd134bfc9306c33e78d8b5899f6c9c006c83b6f84ea4fbe0b07a726901bd20cb657c00537a7eff0efd39912324ab9353f1af0093edc94c01735342bfae92277c1b2cab6bf65266bc1ff2a352d90dbc91c39c71fa575869481fac3fa2fd66ab11f9bc1f7d07956d307dd43f06e12a2f8f255a6017bea0b3ac5bfb0", 0xf0}, {&(0x7f0000000380)="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", 0xfc}], 0x2, &(0x7f00000004c0)=[@rights={0x18, 0x1, 0x1, [r3]}], 0x18, 0x40}, {&(0x7f0000000500)=@abs={0x1, 0x0, 0x1}, 0x8, &(0x7f0000001a40)=[{&(0x7f0000000540)="6f7b0ff50447af2056c3dd4160f4cb9ca057ebd265cc25a90edc1077e23a894b46f1b8368795645922bb27b8d7f21a99fb92e30290abee266d7b7118abc93acfd0f4351cfe3d5948757e24c502cf3376afa575180487262d92a1cde53bb758b1f5a7b9060477878e8ad5736f5d9fc36c48f3dc470a8d629c495e805ba2c1fc4951715babe1ecec4b9a704240c782d0931db1b455cc10d6e75dff8e5f941e92df5047969cc1dda8a75884bb39090439592d1fe244153c48dfcb63ade2557a45ddf3e28e24ba4efe7a0e3d3a871fb907f663833aa1361aa35291b2c9241bf109470322cd56b4991f132f57fa834f820ffa27a6a798", 0xf4}, {&(0x7f0000000640)="68385a1eb51728c5936b5c55d7ed633233b6727a1eab1bd03ec86b302ddaabc3acd68c18c308768e84a766bc91b2f20b41ac3e90d6d4721210f4fc658c792e570eba2d2a986aa84504bd92eee78a030b95fa61333a21f9a874e92c471c17de7bf3396b320f440c3e57b6aba39d11d2bd2d18c6e7d93a821858b2593b5d2a0ff34c574349a85d241bb08e7a832a87e0632298188d2bc1fe990af9fa63de4669e641c21e95146f777c15df1ba503856dee93b3db52a1fcbcb0e2978d1729d10e3046f047ecdf0244004468720983cc1ec98ece8325db5524ea3db4f5bec076f863be2784bebdfae48d230bce47be42a80388e66e4bb09350442a7649b5dc85d3e4b86d3d35b6ea9ad4e84a232520e34296178af5575f282aecf8f29b28b1a276a1eeeaadb179bdfa0ec60131d8a87e4e9121771224db1b1af5d0a0ad8101a6e7b67c8d9f1ab9c9c89a2d0043d3c6323a76c13d9dab402ab35a6c1b7a8f47dbe125bef8e3d82310769f9ce4653c3c205f8e9c4afc48736f38d8dbf80e967602ddf8673cf5d65fbb740b639ea41172e4bf744c6f126a027f4f3fb4ab205e86bb32cf8a8f1389a5d68a3969daed2f7fdd83c22eb640435a173faaf3c58490be070c941b2555a937dcb31562d73f471e2d4896bed1c6ba5c3da2086c8d5c4f508d5a8065d72c04817e1720338e26516aa262e4af5998c7fe857db52140bc839c8a537eebe6e6fdab45b2e3247abee0529e637b8b10f1f86fbfefd32e1569056936208a75e2eea239b5a26fcaebd52a4d6cf0741bfd28e839987601042a846b79df98f2e4b229dc48f60d233dd4c27bd8b64006caace59a9e084cd89555a6ea6b2c0ea2ae1b5b52c269ef46c5c870527dab0d15db317201833fe0b46807149217e8e30c652963bf50eafdbd8041b5a048690e1ea5a5ccccaad1ce85ff6003318ba03cce2e799aaad5abc554fc469908e889c7c7c9ecc24dab9e7fff2395210a465e5877fb9ae85087675597619e6821a191c53aade20d2ee4b9f50bc8bc139c722e2195ed021a6e1880585296e71087d631f17d197d6457c57f18211a2df10497d389a3a6ceeead36760193943ce6bf080a79e631c73888fa68f6947ab292e7b161cfaa6bd3fdd1fbb4bf343ca01eecd287ffae58f908caf85d9fe023bfa995a045cfaf9ca0bbe6e21e269a0cd37143ae21e221d953feda70993a379a86899f00ab9af87307e29b8438dd3422b87ac7ceaec3262da373bb7bec55e73961f122f4f34cfb0088e3ecbf7d4da7b699dfbd10657a0583784d3edb6bdfce5e2dc3b64730208aac44c08595736cfb864334ca63c517fd0ccc25dad58805316f77d5e1e3caaf86c0acc4e65e213e1be388d25e2ba6ecf5c2f8e35cc0c03f318f7034df247f8a2c76a2b86ce958c558a96dcd858132a26e04ff6d1dee68c00dfeb645974208007c0d2c070a2e50b981fc075d71e11b96b85ae71148c57621f55818cda4c7159e950c86707065ad7d596cbaf9b015faf78d7b328e5a0e9dbd2cc199f06f7a2c08658685fd8a48107ed26e49101338032a7f083567b96b60d347dac8560dce01a0ce07bf50a91f227d5eb15866dc3d6427260965ff525a740c0b498cbee3fdee3838081c46ac701d5c1fd30e8b3e8ee56768f828711d84367e52d13b05589ca8575eb8ad549635e88f1ca221a89b6d8736ea3791de5e8de14c02512c2ea0f77268c619681ee844c5cfcbf9e0c9528cf1df8ab732ae48253ed6a623f81ae9470fb2511e25b73447be7ec07244117d48329e2fd2426e633eb8dec4b9ad9e5826bd00d1e89eaa42c8b3bcbc5398be2e210ad0c968d07ab2a8ae4fdc161d12a4cf3a939252433899b01b0d8393c13a6e368c4f4b7719b5542a5ab946157f566cde368fe49096a0a6da67f05313d220c6a06ca922e2ebddc30a60329800604ea8e6c1a7d14df7e39d306df36784c0885f1847e8d29540484b1115b6f810443f183d0c0e93f90736fb071aa848ac6878906bfd9d913111e63f0a0ffd80df7ca32c835e950408b40e543babd08b25427eb37a7ec931b2b687c4306f1f2aa32cc0a9470780aaf11a2c63976b156fbbcbf3fc4eba9895698c239ad599ad082dea02be45d9eddf139b1e6ec673e68d4002b52a4ec21435ca6c6392a0268cdded36fb58ad68bd4a7392c704d6abb46408ed78011e3dbb0c9d0d7980cbcee42c342979a2f8d09090762db6d8d4e7ca3364e87c3d4abc30558a369ff85af04c9df4c7a05feec0b9c5ed30869fadefb363b3e205d89e81a593e4fdb38f0e9b74ef09596963cfa1e8b64eeaf50c13c3e12ea05dd230c37c7a01b95f40a81451624b8051654f74b6ddf55905b1aef88f6e22b20af45412349a89c587614499c4466ae19dd7f3bd746223162e9b2e4f89e26cc9ef8fdc2faedd9e3a6f6e7ab40ff3ab537c504cb51b4dd1f1025fa6e7adced1820908fd0d6f2e8a0ff16c86d7a3765efb79aff1eb86f2a1b2b03993b731b98016b82891a4ad42e60884b8a3a445c5b7c8455b51d3a620cce21e03987a2f432ffe96d168e0e353f5db52f055e523ad0591368d6f748603d574bcf5bd459a9ade0dfe7c0693d75a48c32475dc17aa8ded2b7ed2c34cfc0e4f7a416ae6b6d9b0bfe10544e9928cf08b075c93c5578cb36c11513b2b969e528d328f407c42cb58c887c8878a6d9f6a5087c99c9dba629ff84bb202a26a560ecc45f1f9f0c321d5f50cbac09cdbc301550e0e5adb08b2d583a20976d38ba1192a1f662e3cab8a17593c0263785f6696450ef4f2a58f8121e2cd1898769ed77f2a951d0d9ee8a776776cdcdb68949deee212394e71bc9da5df15c221460a1b02279145ec73a180ec23c6740a1aee891824b298ef44a3b5b199fdbae5acef3ab24a9a17d8f44f75d0ebfa47f9d6d09dd7d2836ae333089959e65cbe3f1970608d440f07b688c0fb9269d08532dc290d1c6d619756ca57f3a2c7c810bcc2df80b76de4e2933b4ffd37cdf0e0a920856132d8bbded40a0d43b69df5dd5df2524fd6631dcf606a700bf0bb5a8953596951abf09aab0f0b4b27f88cf2006b7f5bfe30e17e3da17185849503e1c8f04c5e9bac9902e4ea54e00fbec9bdad1aae5c9589ef8595ae08cabc158966a7e115553035fe28d3f53dd7207921b3a6653319481de52f0401056971afc140a0485cf318d9388ad5c621f04af3f7c9d22b4f1f719247e7c3e747002bc058ea0917347aa4a5c7aff3898637e7eacec09e67c78f51ac2f534ec73fcd85227b898c96155accd8ecba08918c03422124674a93aef11d6ec9d5e310cae1d76bdcf065bc4d889eeb9d367b8e8e2c37598de27f771e631caece1e9b2b0efc1073b980f1a161702266bff29c85378115b400134b327cc7a62e15f7bf774e3a5173b534c7453dd5a545b1b60e24458e1e1082f1e8f8c8e06d2620ac906855a6e505058a6e07fe57b547f305f31ab91b1272c182b38b3c496deb26da6dcba12d91cfa0ce0297ac3b4d20904c195a05947e2927dba2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0x1000}, {&(0x7f0000001640)="5805c2116c8c47479bf811771061ca09c9db449206ad3f850fbe4b9aca35d953d2e8ce354f5efea8c035b40c92a59452a1a1664f5c10cb78046c4fc89f", 0x3d}, {&(0x7f0000001680)="cc554480bf7ad138fa278e1dd2b089d3ce05ff0e96a2093351667f0bc48b5c54b449e1be91421d03f780920dad441b5ef21b00d5ecad061dbef677926941a554be2e95521b41d1c5ba079386acce136af7f1e422a47f2292bb5039349c7c1fdb61e2d4e710aef2", 0x67}, {&(0x7f0000001700)="43ca175878c0319f7ecaf6db789828233421a6944bab7b9eca9505d7b6c7fc5fd8329cdec06cabf8b11661bd37ce40ccd4075f7f6bce67e79f1cb782ae00662d127b39e4a452e5e3a0b0cb117937acd5170fb335acef1d6b8b474e21cff265be", 0x60}, {&(0x7f0000001780)="129051d09613a959c93ec332aae6093a03d85b27516f65", 0x17}, 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&(0x7f0000002380)=[{&(0x7f0000002280)="aaa63c79b4bc1266677f538236b58fdef1edbd9ddba2c70b96970ac5c849d75e7cb74b94aa546a81042104a6c6fe1636e93257aae9aa11546429688f9e861cac", 0x40}, {&(0x7f00000022c0)="604c7c234531b5987de5856c7dbfd4360bc6939f277a5faaa9eaea31ce5999bbb5a91e463345ea50da6161f90edb468b83df40f54ea1bf09eb704c871c9a25c989c632fa6a7c6963152ffa61382da639bb79b4e09b62bc2348914da6554a9ad74e3c05ded53992748637cbea9939625dc58ef31dce4b301d224107a5b2727abb35ead14a963ad5f635a0f183ace25c1ac00f0813c3bdd208b42d1ad100ae66ac3ef6e57991f3f9f7ef48272a17bd1c88f0d797fe", 0xb4}], 0x2, &(0x7f00000023c0)=[], 0x0, 0x8001}, {&(0x7f0000002400)=@abs={0x0, 0x0, 0x0}, 0x8, &(0x7f00000035c0)=[{&(0x7f0000002440)="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", 0x1000}, {&(0x7f0000003440)="8a736628494b525bc2c253d22b53b96e4652f3e705442b9881bb7148c53a319874a72ffdcdf6f326c530120ed4a8e6ef4c6366e5f4249c7a2a0089c3945b01d6de7567ab33fa7d532522578abe7967029f8232af6fb73dd6b63c6976", 0x5c}, {&(0x7f00000034c0)="35d5885e91a62d74d75ecb0aba60128382010a90aa1c283a8f37b541e8767b4f4e04f07de5cf472704cd3de7db78d2a89e0c494dd669a4d32f56eec77a5798ab16ef00d4da6e364f503c8be7953063370a96882ba382ac4a320f4bb8f8388335a168c5c7c5fbb8004ed003696b1b2931af4789276262fc9351c927c19bc41a9eaf6a36811d1138be2bb0ce48df5a66cbd7b5d9628d795c5f7ed77328c31ecd27b3ae2d7f4c35ca109e9499512d815381a18341b2e322917998c4d5cd0518f8e36f6176db0e95184416b58af780da4cd094ae058ca87e73c0f50b12f120b312d30d9a35c1db", 0xe5}], 0x3, &(0x7f0000003a00)=[@cred={0x20, 0x1, 0x2, r10, r2, r11}, @rights={0x20, 0x1, 0x1, [r0, r0, r3]}, @cred={0x20, 0x1, 0x2, r12, r2, r13}, @rights={0x18, 0x1, 0x1, [r3, r0]}, @rights={0x28, 0x1, 0x1, [r3, r0, r3, r3, r14]}, @rights={0x18, 0x1, 0x1, [r3, r0]}, @cred={0x20, 0x1, 0x2, r15, r2, r16}, @rights={0x18, 0x1, 0x1, [r0]}, @cred={0x20, 0x1, 0x2, r17, r2, r18}, @cred={0x20, 0x1, 0x2, r19, r2, r20}], 0x130, 0x10}, {&(0x7f0000003b40)=@file={0x1, '.'}, 0x3, &(0x7f0000003e40)=[{&(0x7f0000003b80)="df3bca525eeb62c344e0d74a6a1bf0acb893340fb7eb8428630fa6264adf963e916ccc8c3c6f3e6d3f436a68287fd3c28b3edae41b95d32c808cb13f62104a478c1c11645298455e0624d48c20cccf0cb01ea4f43b360317fef919ddb921598659d1148e064ae845a5d4132cc4fbb41f6f49f30bfb166296b7262fa51008576de3c26f996e5fcd2dd64250b53b527a105bd693d32ad7e9e4e77df368aad56422c85b4dcde33a0a259b5d0d52b7c252145ba9656f6b8805137b6003c0e2bb5769471447e745a295109194cf0aa63731140029dff353fabbcd6df5766bea554c2ec18d6b", 0xe3}, {&(0x7f0000003c80)="033ff3f21291cde0dff9013417c9cbf134a03e4d264c402e9cfa4a9df9c8961b951fd02dcac6997ea1e23a3e4506a108374ef03da0405521dd44b4ca85bae7bde56ad05e", 0x44}, {&(0x7f0000003d00)="44bbe330c3bfe4ed6e0f7e212190d1bc032cfd4cd8da842149459270e2c298", 0x1f}, {&(0x7f0000003d40)="f4ec07cb21d8eda6135825eddd79e5c99732bef0bfc3f2b18f71f8df120741ac66e2a908785bb1f8590d62e164bca1d13c33b5c6a699f5428b33afe904caf0be34e64cad44167d94379d68240a6f3b575435f5c40c69227d73dbf0eed928bbebc1a76ba1db558bb940c134ab3e4acee3e480a7dd8effa1dc4fcf90bb8be39955dbe6282cf3abad1e55e1d2aaed7072567bfc31f5245152ad4d8dc40f864668968e25a72c2c406cb5e183cf55d940fd17381ac2d0be057607832d455b6edeb218d01c8b76e66d4f", 0xc7}], 0x4, &(0x7f0000004080)=[@cred={0x20, 0x1, 0x2, r21, r2, r22}, @rights={0x30, 0x1, 0x1, [r3, r0, r0, r0, r3, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r23, r2, r24}], 0x70}], 0x7, 0x40000) 2018/02/26 09:33:11 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40000, 0x0) ioctl$EVIOCGABS2F(r2, 0x8018456f, &(0x7f0000000040)=""/136) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 0: setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r0 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) socket$nl_netfilter(0x10, 0x3, 0xc) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x40000000008, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0xffffffffffffffff, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000140)='/dev/pktcdvd/control\x00', 0x701002, 0x0) pread64(r0, &(0x7f0000000040)=""/4096, 0x1000, 0x0) bind$unix(r0, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0xa) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000001080)='efs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') write$selinux_validatetrans(r1, &(0x7f0000001040)={'system_u:object_r:dmesg_exec_t:s0', 0x20, 'system_u:object_r:systemd_passwd_agent_exec_t:s0', 0x20, 0x34, 0x33, 0x20, '/usr/sbin/cupsd\x00'}, 0x66) poll(&(0x7f0000000040)=[{r1, 0x2}], 0xa866107, 0x200000000000a0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000022c0)=0x0) r3 = getuid() lstat(&(0x7f0000002300)='./file0\x00', &(0x7f0000002340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getpgrp(0x0) getresuid(&(0x7f0000004700), &(0x7f0000004740), &(0x7f0000004780)=0x0) stat(&(0x7f00000047c0)='./file0\x00', &(0x7f0000004800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000004880)=0x0) getresuid(&(0x7f00000048c0), &(0x7f0000004900)=0x0, &(0x7f0000004940)) r10 = getgid() r11 = gettid() getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000004980)={{{@in6=@empty, @in=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@ipv4={[], [], @loopback}}}, &(0x7f0000004a80)=0xe8) getgroups(0x6, &(0x7f0000004ac0)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000004b00)=0x0) lstat(&(0x7f0000004b40)='./file0\x00', &(0x7f0000004b80)={0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r0, &(0x7f0000004c00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000004c80)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000004cc0)={{{@in=@rand_addr, @in6=@ipv4={[], [], @remote}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@multicast2}}, &(0x7f0000004dc0)=0xe8) r19 = getegid() r20 = getpgid(0x0) getresuid(&(0x7f0000004e00)=0x0, &(0x7f0000004e40), &(0x7f0000004e80)) r22 = getegid() r23 = getpgid(0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000004ec0)={{{@in=@local, @in=@rand_addr, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@local}}, &(0x7f0000004fc0)=0xe8) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000005000)={0x0, 0x0, 0x0}, &(0x7f0000005040)=0xc) r26 = getpgrp(0xffffffffffffffff) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000005080)={{{@in=@local, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@broadcast}}, &(0x7f0000005180)=0xe8) getgroups(0x9, &(0x7f00000051c0)=[0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000005500)=0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000005540)={{{@in6=@mcast1, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@loopback}}, &(0x7f0000005640)=0xe8) lstat(&(0x7f0000005680)='./file0\x00', &(0x7f00000056c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000007000)={0x0, 0x0}) fstat(r0, &(0x7f0000007040)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0xa, &(0x7f00000070c0)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0]) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000007100)=0x0) fstat(r0, &(0x7f0000007140)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f00000071c0)=0x0, &(0x7f0000007200), &(0x7f0000007240)) fcntl$getownex(r0, 0x10, &(0x7f0000007280)={0x0, 0x0}) fstat(r1, &(0x7f00000072c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r40 = getgid() ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000085c0)=0x0) r42 = getuid() getgroups(0x1, &(0x7f0000008600)=[0x0]) fcntl$getownex(r1, 0x10, &(0x7f0000008640)={0x0, 0x0}) r45 = getuid() getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000008680)={0x0, 0x0, 0x0}, &(0x7f00000086c0)=0xc) r47 = gettid() stat(&(0x7f0000008700)='./file0\x00', &(0x7f0000008740)={0x0, 0x0, 0x0, 0x0, 0x0}) r49 = getegid() ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000087c0)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000008800)={{{@in=@empty, @in=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@ipv4={[], [], @remote}}}, &(0x7f0000008900)=0xe8) fstat(r1, &(0x7f0000008940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r53 = fcntl$getown(r1, 0x9) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000009b80)={0x0, 0x0}, &(0x7f0000009bc0)=0xc) r55 = getegid() ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000009c00)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000009c40)={{{@in6=@loopback, @in6=@mcast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @dev}}, 0x0, @in=@multicast2}}, &(0x7f0000009d40)=0xe8) getresgid(&(0x7f0000009d80)=0x0, &(0x7f0000009dc0), &(0x7f0000009e00)) fcntl$getownex(r0, 0x10, &(0x7f0000009e40)={0x0, 0x0}) getresuid(&(0x7f0000009e80), &(0x7f0000009ec0)=0x0, &(0x7f0000009f00)) lstat(&(0x7f0000009f40)='./file0\x00', &(0x7f0000009f80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f000000b1c0)=0x0) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f000000b200)={{{@in=@multicast1, @in6=@mcast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@empty}}, &(0x7f000000b300)=0xe8) getresgid(&(0x7f000000b340), &(0x7f000000b380)=0x0, &(0x7f000000b3c0)) sendmmsg$unix(r1, &(0x7f000000b440)=[{&(0x7f00000010c0)=@abs={0x0, 0x0, 0x0}, 0x8, &(0x7f0000001140)=[{&(0x7f0000001100)="4daa75dd984fbb84756dd7dc0a35c4246e68e337fc87d6f628708c4663b269490ab329cbf5b60fd50ae2399d9d1237ab2c2aad12e3999622", 0x38}], 0x1, &(0x7f0000001180)=[@rights={0x30, 0x1, 0x1, [r0, r0, r1, r1, r1, r0, r1, r0]}], 0x30, 0x20000000}, {&(0x7f00000011c0)=@abs={0x1, 0x0, 0x2}, 0x8, &(0x7f0000002280)=[{&(0x7f0000001200)="f43d937726285e373b7a6bcc45d5c809d03b6bd91dbbadfc9ae4d5d3938aaa120e2d9ec9eb90faa8b1bd514a2c532deadf4e10bc513bdd028e0443bb368fad7d8d1b6e5997f43c7e0001690844be25b32a6978ef97ec08", 0x57}, {&(0x7f0000001280)="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", 0x1000}], 0x2, &(0x7f00000023c0)=[@cred={0x20, 0x1, 0x2, r2, r3, r4}, @rights={0x20, 0x1, 0x1, [r0, r0, r1]}, @rights={0x28, 0x1, 0x1, [r1, r0, r1, r0, r0]}, @rights={0x20, 0x1, 0x1, [r1, r0, r1]}], 0x88, 0x4000040}, {&(0x7f0000002480)=@abs={0x1, 0x0, 0x1}, 0x8, &(0x7f0000004680)=[{&(0x7f00000024c0)="d6ef082ecbde727df4e366655a32bbaf6a3cea0b283b0822f810834398a49b14026a4953395df2eef42e0fd13a0d5aabc1e46b81f860fb89e3bc59a9ab5ee95dada9ecadc6fa66f54d7c5925ac72ce99941a63adf53dc3527bd6431a58ac317b0cf67b008174896a2fc7d7ac", 0x6c}, {&(0x7f0000002540)="a2670cfa731b724e213e17a5aaa2be32028cec61504f73f033393f314a8801bc9fb7540392ad2f28d16e862e6ce0a6c80921da742acaaacd9aafacc49ac331f8e683e6e02c0eb34f9fc77cb5fbbc644edb7661e5fe198f4a377a6bb0cd0dec71c4ceb53bfc961a24c30037a573aba9d532b1f233276d8806f828e58eb0f8dff4046db323e88fb0b5fd06bd41a124992478cda183868a9cddf20849970798eb5503bd28746ca5122d1e1320f87610e7583ed9e275edb9ab02faf018a7dfdae56486afeeae263a96358ae0fec25d879c7913e9124c58c5ff10d2bd18b49d9a5e45e641a075", 0xe4}, 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{&(0x7f000000a040)="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0x1000}], 0x3, &(0x7f000000b040)=[@cred={0x20, 0x1, 0x2, r53, r54, r55}, @cred={0x20, 0x1, 0x2, r56, r57, r58}, @cred={0x20, 0x1, 0x2, r59, r60, r61}], 0x60}, {&(0x7f000000b0c0)=@file={0x1, './file0\x00'}, 0xa, &(0x7f000000b180)=[{&(0x7f000000b100)="346f25a15ea1e48d7ef7f0f2cef84dd071931f8fef316608db7ac844157b55bcef84245a4596307b2c8e5530dac2503311efc227f53c86c37cf6529492ae6d964fd78af19c21ce6f6851defae33d", 0x4e}], 0x1, &(0x7f000000b400)=[@cred={0x20, 0x1, 0x2, r62, r63, r64}], 0x20, 0x1}], 0x9, 0x8000) epoll_create(0x401) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000000000)='./file1\x00', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) getsockopt$inet_dccp_buf(r0, 0x21, 0xcc, &(0x7f00000010c0)=""/125, &(0x7f0000001140)=0x7d) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x3) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000040)={0x1, 0xfffffffffffffffe}, 0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000080)={0x0}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f0000000100)={r2, &(0x7f00000000c0)}) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) getpeername(r0, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], &(0x7f0000000080)=0x26) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f00000000c0)={0x0, 0x3}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000140)={r3, @in={{0x2, 0x0, @dev={0xac, 0x14, 0x0, 0x17}}}, 0x2, 0x3, 0x6, 0x3, 0x80}, &(0x7f0000000200)=0xa0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) ioctl$EVIOCGABS0(r2, 0x80184540, &(0x7f0000000040)=""/253) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) socket$inet6_icmp(0xa, 0x2, 0x3a) 2018/02/26 09:33:11 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000), &(0x7f0000000040)=0x8) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0xffffffffffffffff, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000)=0x4, 0x4) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$packet_rx_ring(r1, 0x107, 0x5, &(0x7f0000000040)=@req={0x6, 0x4, 0x8d9, 0xffffffffffff7fff}, 0x10) r2 = socket$packet(0x11, 0x2, 0x300) socket$inet6(0xa, 0x5, 0x9) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 100.712861] TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x40000, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000040)={0x8aaf}, 0x4) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x2000000000000253, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:11 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000000)=0x0) capget(&(0x7f0000000040)={0x19980330, r2}, &(0x7f0000000080)={0x7f, 0x0, 0x7fff, 0x5, 0x4, 0xfffffffffffffff8}) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0x0, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc), 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x5, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept(r1, &(0x7f0000000040)=@pppol2tpv3={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @loopback}}}, &(0x7f0000000080)=0x2e) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f00000000c0), &(0x7f0000000100)=0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x7, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xa000}, 0xfffffffffffffd67) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$TIOCLINUX7(r2, 0x541c, &(0x7f0000000040)={0x7, 0x7}) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000080)) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r2, 0x80045400, &(0x7f0000000080)) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r2, 0xc058534f, &(0x7f00000000c0)={{0x7, 0x2}, 0x0, 0x0, 0x9, {0xfffffffffffffff9, 0xe}, 0x7, 0x1}) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r0 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000080)) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r2, 0x80045400, &(0x7f0000000080)) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r2, 0xc058534f, &(0x7f00000000c0)={{0x7, 0x2}, 0x0, 0x0, 0x9, {0xfffffffffffffff9, 0xe}, 0x7, 0x1}) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000000100)='./file0\x00', 0x2) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0x0, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) getresuid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) r1 = memfd_create(&(0x7f0000000000)='\x00', 0x3) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) mprotect(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1) faccessat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x2, 0x5010, r0, 0x0) ioctl$TIOCLINUX2(r1, 0x541c, &(0x7f0000000040)={0x2, 0x7, 0x8, 0xffffffff84867082, 0x8d2, 0x7}) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x7, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) futex(&(0x7f0000000040)=0x4, 0x0, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000000080), 0x0) r4 = gettid() timer_create(0x0, &(0x7f00005b6000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) clone(0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)) tkill(r4, 0x1000000000016) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000000040), 0x0) r5 = memfd_create(&(0x7f0000000040)='!\'}vmnet1vboxnet1{{^^md5summd5sum:ppp0selinux@wlan0a!\x00', 0x2) setsockopt$netlink_NETLINK_NO_ENOBUFS(r2, 0x10e, 0x5, &(0x7f00000000c0)=0x6, 0x4) ioctl$TCSETSF(r5, 0x5404, &(0x7f0000000080)={0x7, 0x8, 0x7, 0xc, 0x8, 0x1, 0x9, 0x5, 0xfffffffffffffeff, 0xffffffffffffffe0, 0x9, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r2, 0x404c534a, &(0x7f0000000100)={0x8, 0x2000200000000, 0x4}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) pipe(&(0x7f00000000c0)={0x0, 0x0}) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r5, 0x84, 0x77, &(0x7f0000000100)=ANY=[@ANYRES32=0x0, @ANYBLOB="030003001b6e2f7c0300efc69dae6df797680cd79b44153f4a864cf70d9d7a73d555a7b8261159c1f2f3efa048bcdb723bd70d6a64e934cc9ee2e33a7adaa64ac4ad663133eea480e5b7626373b7f15b118e221a5d674879e371ba2704fcb6af42c48f304eef017858c81705d03ce4c11657df195a56fb581950333234b11666002cc74007b32ffb893f042ad7c39f50219d3d713e54fd21d4e7dc501172ae34fa180812d4d0dc8b41cd6ad20286c7a959b967885d4dfed36ffc2f4d"], &(0x7f0000000140)=0xe) setsockopt$ax25_int(r6, 0x101, 0x3, &(0x7f0000000180)=0x6, 0x4) setsockopt$inet_sctp6_SCTP_RTOINFO(r6, 0x84, 0x0, &(0x7f0000000180)={r7, 0x401, 0x6, 0x400}, 0x10) ioctl$LOOP_GET_STATUS(r6, 0x4c03, &(0x7f0000000280)) r8 = memfd_create(&(0x7f0000001440)='))//\x00', 0x2) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r8, 0x111, 0x4, 0x1, 0x15e) 2018/02/26 09:33:11 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0x0, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0x0, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') readlink(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/139, 0x8b) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000140)={'filter\x00', 0x7, 0x4, 0x3f0, 0xe8, 0xe8, 0x0, 0x308, 0x308, 0x308, 0x4, &(0x7f0000000100), {[{{@uncond, 0xc0, 0xe8}, @unspec=@NFQUEUE0={0x28, 'NFQUEUE\x00'}}, {{@uncond, 0xc0, 0x110}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty, @empty, @rand_addr=0x80000001, 0x0, 0xffffffff}}}, {{@arp={@dev={0xac, 0x14, 0x0, 0x11}, @broadcast=0xffffffff, 0xff, 0xffffff00, @empty, {[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, @empty, {[0x0, 0x0, 0x0, 0x0, 0xff]}, 0x6f, 0x5, 0x0, 0x4, 0x1, 0x3, @generic="372dfa1839762c042557cf0b8c3c4f71", @generic="233bcb87b40dbd73acd2c89280b43314", {0xff}, {0xff}}, 0xc0, 0x110}, @mangle={0x50, 'mangle\x00', 0x0, {@empty, @mac=@dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x10}, @multicast2=0xe0000002, @broadcast=0xffffffff, 0x0, 0x1}}}], {{[], 0xc0, 0xe8}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x440) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) tee(r0, r1, 0x6, 0x8) 2018/02/26 09:33:11 executing program 3: pipe2(&(0x7f0000000000), 0x80000) r0 = socket$inet(0x2, 0x2, 0x0) r1 = dup2(r0, r0) fsync(r1) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000000)={0x0, 0x9, 0x30, 0x1, 0x6b59}, &(0x7f0000000040)=0x18) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000080)={r2, 0x27, "68c272fa69e1d1e5350cf130ea4000553f81c81fa481f331533472e1eeb24c9ef532e2b8f8bc34"}, &(0x7f00000000c0)=0x2f) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) r4 = dup(r0) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000100)={0x0, 0x0, 0xfffffffffffffffe}, 0x0) dup(r3) r5 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/policy\x00', 0x0, 0x0) ioctl$sock_netrom_TIOCOUTQ(r5, 0x5411, &(0x7f0000000180)) recvfrom$inet(r0, &(0x7f0000000040)=""/10, 0xa, 0x60, &(0x7f0000000080)={0x2, 0x2, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x40000, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000040)={0x8aaf}, 0x4) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x2000000000000253, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc), 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x0, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) socket$unix(0x1, 0x1, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000006, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) sysinfo(&(0x7f0000000000)=""/46) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r0, 0x111, 0x2, 0x0, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000040)={0x8, 0x0, 0x10000, 0x3, 0x9a7}, 0x14) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000000040)) r1 = syz_open_dev$tun(&(0x7f00008f9000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00004c8fd8)={@generic="30609402000000000000067d08cebd5c", @ifru_names=@generic="8e11f1052996e56f7ff6b6d55cee091d"}) r2 = syz_open_dev$tun(&(0x7f0000864000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00002c3000)={@generic="30609402000000000000067d08cebd5c", @ifru_names=@generic="8e11f1052996e56f5ff6b6d564ee091d"}) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000c1ffb0)={@common='yam0\x00', @ifru_flags=0x400}) close(r1) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) syz_emit_ethernet(0x23f, &(0x7f0000000080)=ANY=[@ANYBLOB="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"], &(0x7f00000002c0)={0x0, 0x2, [0xab9, 0xbf3, 0x6f1, 0x22a]}) r3 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r3}], 0x1, 0x9b) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000000)={0x5, 0x2, 0x5, 0x8, 0x22}, 0x14) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:11 executing program 7: prctl$getreaper(0x1b, &(0x7f0000000000)) r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') r1 = socket$inet6(0xa, 0x7, 0x40000004) setsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f0000000000)=0x7ff, 0x4) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0x0, 0x100000000000000, @dev={0xfe, 0x80, [], 0x0, 0xb}, 0x7}, 0x10) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x0, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 4: socketpair(0x9, 0x8000a, 0x1, &(0x7f0000000000)={0x0}) accept4$inet6(r0, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f0000000080)=0x1c, 0x80000) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = accept(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000300000000ab734cd948220d6e25f2000000b5b6986379c5836546000000000000004197af27d47628ba00d64f43fc49a03f0000000000000000000000000000000000000000000000000000000000000000000000000019fa8c9400000000cb2ed7f6354d35e5e44403f20bddb1225ef03e25cb96d8482e960602cf085babad25f8e3ceec3fb1661a6ec1f15d61175fec949d9316aa7b075d3b4e608d36f1f088985b1faab9c549f8e9e6e53aae496f8d76"], &(0x7f00000000c0)=0x60) accept4$llc(r3, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000140)=0xffffffffffffffde, 0x800) 2018/02/26 09:33:11 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) accept4$llc(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x10, 0x800) 2018/02/26 09:33:11 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = fcntl$getown(r0, 0x9) ptrace$setopts(0x4200, r2, 0x9, 0x20) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 7: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f00000affc0)=[], &(0x7f0000b5aff8)=[]) r0 = syz_open_procfs(0x0, &(0x7f0000af9d25)='personality\x00') preadv(r0, &(0x7f00009c2ff0)=[{&(0x7f0000cb5000)=""/15, 0xf}], 0x1, 0x0) execve(&(0x7f0000207ff8)='./file0\x00', &(0x7f0000b38fd0)=[], &(0x7f0000c7dfc8)=[]) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f0000000000)={{0x7, 0x3ff}, 'port1\x00', 0x40, 0x80000, 0xffffffff00000001, 0x2, 0x382, 0x2, 0x3ff, 0x0, 0x1, 0x4}) open$dir(&(0x7f0000467000)='./file0\x00', 0x26102, 0x0) 2018/02/26 09:33:11 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:11 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x0, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x0, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) pipe(&(0x7f0000000000)={0x0}) write$fuse(r1, &(0x7f0000000040)={0x20, 0x1, 0x5, @fuse_ioctl_out={0xfffffffffffffffd, 0x2a3d0582, 0x9, 0xae}}, 0x20) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000080)={0x3f}, 0x4) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f00000000c0)='./file0\x00', 0x40) r0 = socket$inet(0x2, 0x3, 0x5) setsockopt$sock_void(r0, 0x1, 0x1b, 0x0, 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) socket$inet6(0xa, 0x807, 0x7) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='mounts\x00') ioctl$FUSE_DEV_IOC_CLONE(r1, 0x8004e500, &(0x7f0000000040)=r1) poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) socket$inet_sctp(0x2, 0x5, 0x84) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 2: socketpair(0x9, 0x8000a, 0x1, &(0x7f0000000000)={0x0}) accept4$inet6(r0, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f0000000080)=0x1c, 0x80000) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = accept(r1, &(0x7f0000000040)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000300000000ab734cd948220d6e25f2000000b5b6986379c5836546000000000000004197af27d47628ba00d64f43fc49a03f0000000000000000000000000000000000000000000000000000000000000000000000000019fa8c9400000000cb2ed7f6354d35e5e44403f20bddb1225ef03e25cb96d8482e960602cf085babad25f8e3ceec3fb1661a6ec1f15d61175fec949d9316aa7b075d3b4e608d36f1f088985b1faab9c549f8e9e6e53aae496f8d76"], &(0x7f00000000c0)=0x60) accept4$llc(r3, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000140)=0xffffffffffffffde, 0x800) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000000)={{{@in=@rand_addr, @in=@multicast1}}, {{@in6=@local}, 0x0, @in6=@mcast2}}, &(0x7f0000000100)=0xe8) r1 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r1, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000000)={0xa, 0x2, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000)="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", 0x337, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:12 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x800, 0x0) setsockopt$netlink_NETLINK_PKTINFO(r2, 0x10e, 0x3, &(0x7f0000000040)=0x4, 0x4) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r2, 0x10e, 0x5, &(0x7f0000000080)=0x3, 0x4) sendto$inet6(r0, &(0x7f0000000080), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x1, 0x0, @dev={0xfe, 0x80, [], 0x0, 0x12}}, 0x1c) r3 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x800, 0x80) setsockopt$inet6_dccp_int(r3, 0x21, 0xf, &(0x7f0000000040)=0x100, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) write(r0, &(0x7f0000000000)='n', 0x1) socketpair(0x9, 0x6, 0x60b86056, &(0x7f0000000040)={0x0, 0x0}) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @multicast2=0xe0000002}}}, &(0x7f0000000140)=0x8c) seccomp(0x1, 0x0, &(0x7f000005c000)={0x2, &(0x7f0000069000)=[{0x87}, {0x6}]}) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r4, 0x84, 0x5, &(0x7f0000000180)={r5, @in6={{0xa, 0x2, 0x2, @mcast1={0xff, 0x1, [], 0x1}, 0x9}}}, 0x8c) 2018/02/26 09:33:12 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x0, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x0, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 3: r0 = socket$inet(0x2, 0x5, 0x20000000000002) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x40, 0x0) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000080), &(0x7f00000000c0)=0x4) sendto$inet(r0, &(0x7f0000000040), 0x1016d, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000), 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') open(&(0x7f0000000000)='./file0\x00', 0x200, 0x90) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) pipe(&(0x7f0000000000)={0x0}) write$fuse(r1, &(0x7f0000000040)={0x20, 0x1, 0x5, @fuse_ioctl_out={0xfffffffffffffffd, 0x2a3d0582, 0x9, 0xae}}, 0x20) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000080)={0x3f}, 0x4) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x0) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x0, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x0, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000039cfe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) r2 = getpid() sched_getattr(r2, &(0x7f0000000000), 0x30, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000588ff0)=@common='irlan0\x00', 0xb) recvmmsg(r0, &(0x7f00000040c0)=[{{&(0x7f0000000000)=@vsock={0x0, 0x0, 0x0, @any}, 0x10, &(0x7f0000000480)=[{&(0x7f0000000040)=""/115, 0x73}, {&(0x7f00000000c0)=""/21, 0x15}, {&(0x7f0000000100)=""/99, 0x63}, {&(0x7f0000000180)=""/33, 0x21}, {&(0x7f00000001c0)=""/146, 0x92}, {&(0x7f0000000280)=""/123, 0x7b}, {&(0x7f0000000300)=""/206, 0xce}, {&(0x7f0000000400)=""/91, 0x5b}], 0x8, &(0x7f0000000500)=""/195, 0xc3, 0xbd}, 0x1f}, {{&(0x7f0000000600)=ANY=[@ANYBLOB="00000000006c7f00fe660000000000001da14517208d34771ec15ea34a3a443b731a90b1bba8e783fc09c5f8054300505c00000000000000000000000000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x2e, &(0x7f0000001c00)=[{&(0x7f0000000640)=""/144, 0x90}, {&(0x7f0000000700)=""/216, 0xd8}, {&(0x7f0000000800)=""/77, 0x4d}, {&(0x7f0000000880)=""/4096, 0x1000}, {&(0x7f0000001880)=""/239, 0xef}, {&(0x7f0000001980)=""/135, 0x87}, {&(0x7f0000001a40)=""/201, 0xc9}, {&(0x7f0000001b40)=""/172, 0xac}], 0x8, &(0x7f0000001c80)=""/14, 0xe, 0x964}, 0x5c0000000000000}, {{&(0x7f0000001cc0)=@pppol2tpv3={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @multicast1}}}, 0x2e, &(0x7f0000002e40)=[{&(0x7f0000001d00)=""/247, 0xf7}, {&(0x7f0000001e00)=""/4096, 0x1000}, {&(0x7f0000002e00)=""/48, 0x30}], 0x3, &(0x7f0000002e80), 0x0, 0x2348}, 0x100}, {{&(0x7f0000002ec0)=@can, 0x10, &(0x7f0000004040)=[{&(0x7f0000002f00)=""/15, 0xf}, {&(0x7f0000002f40)=""/207, 0xcf}, {&(0x7f0000003040)=""/4096, 0x1000}], 0x3, &(0x7f0000004080)=""/16, 0x10, 0x1}, 0x100}], 0x4, 0x0, &(0x7f00000041c0)={0x77359400}) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000004200)={0x0, 0x9b, 0x1, 0xffffffffffffff7f, 0x5, 0x4, 0x80, 0xff, {0x0, @in={{0x2, 0x0, @multicast1=0xe0000001}}, 0x3ff, 0x6, 0x8001, 0x1, 0x100000000}}, &(0x7f00000042c0)=0xb8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000004300)={r4, 0x6}, &(0x7f0000004340)=0x8) write(r0, &(0x7f0000000000)='n', 0x1) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000003, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x40002, 0x300) pipe(&(0x7f0000000000)={0x0}) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000040)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0xfffffffffffffffc, 0xfffffffffffffffe, 0xffffffffffffffff}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = gettid() ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000040)) process_vm_writev(r3, &(0x7f00000013c0)=[{&(0x7f0000000040)=""/128, 0x80}, {&(0x7f00000000c0)=""/174, 0xae}, {&(0x7f0000000180)=""/170, 0xaa}, {&(0x7f0000000240)=""/4096, 0x1000}, {&(0x7f0000001240)=""/77, 0x4d}, {&(0x7f00000012c0)=""/213, 0xd5}], 0x6, &(0x7f0000002840)=[{&(0x7f0000001440)=""/80, 0x50}, {&(0x7f00000014c0)=""/4096, 0x1000}, {&(0x7f00000024c0)=""/30, 0x1e}, {&(0x7f0000002500)=""/186, 0xba}, {&(0x7f00000025c0)=""/107, 0x6b}, {&(0x7f0000002640)=""/40, 0x28}, {&(0x7f0000002680)=""/202, 0xca}, {&(0x7f0000002780)=""/51, 0x33}, {&(0x7f00000027c0)=""/72, 0x48}], 0x9, 0x0) 2018/02/26 09:33:12 executing program 4: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) accept$unix(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000deffffffffffffff00000000000000000000000000000000000000000000000000000000"], &(0x7f0000000080)=0x6e) r1 = socket$inet(0x2, 0x2, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x280000, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x0) msync(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x2) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r4 = fcntl$getown(r3, 0x9) sendmsg$nl_generic(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xac, 0x34, 0x200, 0x1, 0x0, {0x20}, [@typed={0x88, 0x50, @binary="d9aac711b9dc5c38e78616767b437f51ad875fe57377c041f3fa5262ee5d868f8653b61435d605beca50f5eec3ca671de70012e383e84c43bf3e824dfa9ea71fd0a9312bffee3a17acbcfb5144293a346169360510286f5a99c19b167d0a6c6099a07453c7b94910bd081bb45b7c135c779fc695cbce387e4d8f9746e5"}, @nested={0x10, 0x7a, [@typed={0xc, 0x34, @pid=r4}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x1}, 0x41) recvmsg$netrom(r0, &(0x7f0000000280)={&(0x7f00000000c0)=@ax25={0x3, {"2041d1720ccddd"}}, 0x10, &(0x7f0000000240)=[{&(0x7f0000000100)="e16886cc9f7e7553631631cf7e12027efbec6665ce8ed7d5ecb5934dc4a5706b6dfb35db961d69a82dc79502bf08de85642bdc2360c024f80e1df3a8aa04cc08a01d01a1d55f52c94234decfbca0de0fcc726f0bd5eeb03bdbbc05aaf19a75c5311139123e61d731b1b59e5e62ee118329769164184b5c41c10737670f8a7f3f8588a46abced56", 0x87}, {&(0x7f00000001c0)}, {&(0x7f0000000200)="9465ae79015122c91e2b5bb93d2dc2", 0xf}], 0x3, 0x0, 0x0, 0x4000000}, 0x10040) 2018/02/26 09:33:12 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') bind$inet6(r0, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) getpeername$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000040)=0x1c) ioctl$EVIOCGVERSION(0xffffffffffffffff, 0x80044501, &(0x7f0000000080)=""/200) setsockopt$inet_sctp6_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x2, &(0x7f0000000080)={0x8001, 0xfffffffffffffe00, 0x7, 0x7}, 0xfffffffffffffd66) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) sync() ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000180)={@common='nr0\x00', @ifru_flags=0x100}) ioctl$TCSETA(r0, 0x5406, &(0x7f00000000c0)={0x5, 0x3f, 0x813, 0x4, 0xaf8, 0x1, 0x8, 0x3113, 0x20eb544b, 0x3}) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) getpeername(0xffffffffffffffff, &(0x7f00000004c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @empty}}}, &(0x7f0000000500)=0x3a) accept$unix(r0, &(0x7f0000000540)=@file={0x0, ""/31}, &(0x7f0000000580)=0x21) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x40002, 0x300) pipe(&(0x7f0000000000)={0x0}) ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000040)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0xfffffffffffffffc, 0xfffffffffffffffe, 0xffffffffffffffff}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = gettid() ioctl$PPPIOCGCHAN(r2, 0x80047437, &(0x7f0000000040)) process_vm_writev(r3, &(0x7f00000013c0)=[{&(0x7f0000000040)=""/128, 0x80}, {&(0x7f00000000c0)=""/174, 0xae}, {&(0x7f0000000180)=""/170, 0xaa}, {&(0x7f0000000240)=""/4096, 0x1000}, {&(0x7f0000001240)=""/77, 0x4d}, {&(0x7f00000012c0)=""/213, 0xd5}], 0x6, &(0x7f0000002840)=[{&(0x7f0000001440)=""/80, 0x50}, {&(0x7f00000014c0)=""/4096, 0x1000}, {&(0x7f00000024c0)=""/30, 0x1e}, {&(0x7f0000002500)=""/186, 0xba}, {&(0x7f00000025c0)=""/107, 0x6b}, {&(0x7f0000002640)=""/40, 0x28}, {&(0x7f0000002680)=""/202, 0xca}, {&(0x7f0000002780)=""/51, 0x33}, {&(0x7f00000027c0)=""/72, 0x48}], 0x9, 0x0) [ 101.779934] TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x0, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000000)={0x0}) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000040)={r1}) r2 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) sync_file_range(r0, 0x2, 0x1ff, 0x2) ioctl$EVIOCGUNIQ(r0, 0x80404508, &(0x7f0000000080)=""/16) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) 2018/02/26 09:33:12 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') bind$inet6(r0, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) getpeername$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000040)=0x1c) ioctl$EVIOCGVERSION(0xffffffffffffffff, 0x80044501, &(0x7f0000000080)=""/200) setsockopt$inet_sctp6_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x2, &(0x7f0000000080)={0x8001, 0xfffffffffffffe00, 0x7, 0x7}, 0xfffffffffffffd66) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) sync() ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000180)={@common='nr0\x00', @ifru_flags=0x100}) ioctl$TCSETA(r0, 0x5406, &(0x7f00000000c0)={0x5, 0x3f, 0x813, 0x4, 0xaf8, 0x1, 0x8, 0x3113, 0x20eb544b, 0x3}) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x1}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000080)={r1, 0xffffffffc68607be}, &(0x7f00000000c0)=0x8) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) mq_timedsend(r0, &(0x7f0000000100)="5207c020f1798cf7ede98a9a5015c8e263dd04827d9ea2c70c1cf73cd115963d159f24ae55594d47115d400911f839af23d14b07591667a78d9e07cb0840c0e10a9f304d63010a8fc17426705b4c1883d990acbf8b5823dd0b82fec525b2df", 0x5f, 0x9, &(0x7f00000001c0)={r3, r4+10000000}) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) pwrite64(r2, &(0x7f0000000100)="a63073f02421bad44d8eaecdd156e5ea39bc8a2bf82a2d614610d6d67b49a6262d7f57608b510a04a06079795ad5dc1462a984f95c340b72a29f2482bc5f97ffacd6fedf4e22f22af8505c9270e6d2", 0x4f, 0x0) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000000080)="95a2d433eac91a0af3a0080326", 0xd, 0x10, &(0x7f0000fd9ff0)={0x2, 0x0, @empty}, 0x10) fallocate(r0, 0x3, 0x200, 0x20) 2018/02/26 09:33:12 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000481ff7)='net/udp6\x00') bind$inet6(r0, &(0x7f000070ffe3)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}, 0x1c) getpeername$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000040)=0x1c) ioctl$EVIOCGVERSION(0xffffffffffffffff, 0x80044501, &(0x7f0000000080)=""/200) setsockopt$inet_sctp6_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x2, &(0x7f0000000080)={0x8001, 0xfffffffffffffe00, 0x7, 0x7}, 0xfffffffffffffd66) preadv(r0, &(0x7f0000003980)=[{&(0x7f0000002400)=""/197, 0xc5}], 0x1, 0x0) sync() ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000180)={@common='nr0\x00', @ifru_flags=0x100}) ioctl$TCSETA(r0, 0x5406, &(0x7f00000000c0)={0x5, 0x3f, 0x813, 0x4, 0xaf8, 0x1, 0x8, 0x3113, 0x20eb544b, 0x3}) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x80, 0x0) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000040)={@mcast2={0xff, 0x2, [], 0x1}, 0x1, 0x0, 0x3, 0xc, 0x5, 0xf2c7, 0x3}, &(0x7f0000000080)=0x20) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x1098c1, 0x0) setsockopt$netrom_NETROM_T4(r2, 0x103, 0x6, &(0x7f0000000040)=0x8, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f00000000c0)="ece642dc8b1d908c442b307890fa4211c1d314e102cf7a9ded8cdc") 2018/02/26 09:33:12 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0x7, &(0x7f0000000000)={0x7, 0x9, 0x9f, 0x6}, 0x10) shutdown(r0, 0x4000001) 2018/02/26 09:33:12 executing program 6: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) getpeername(0xffffffffffffffff, &(0x7f00000004c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @empty}}}, &(0x7f0000000500)=0x3a) accept$unix(r0, &(0x7f0000000540)=@file={0x0, ""/31}, &(0x7f0000000580)=0x21) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000004, 0xffffffffffffff1c) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x0, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x100000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000000)=@assoc_value={0x0, 0x8001}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000080)={r1, 0xdb}, &(0x7f00000000c0)=0x8) socket$l2tp(0x18, 0x1, 0x1) r2 = socket$inet(0x2, 0x8000b, 0x80000000000004) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000f5eff5)='lp\x00', 0x4) sendto$inet(r2, &(0x7f0000fd0000), 0xfffffffffffffec1, 0x20000801, &(0x7f0000deaff0)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') statfs(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/1) sendto$unix(r0, &(0x7f0000000000)="264c688eb81764ede8c6ddd0a79d2fe361", 0x11, 0x4, &(0x7f0000000040)=@file={0x1, './file0/file0\x00'}, 0x10) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x10008) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x1) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000040)=0x59, 0x4) mq_notify(r1, &(0x7f0000000200)={0x0, 0x37, 0x4, @thr={&(0x7f0000000040)="4d005f12a10988b34a996232a2874c71a7c013ce6ef8ee355a6ba90e78dd7f5a2a32aae3dd0ea49fedc06fb16621e652fd4230eaa1bf1c3bf0cf4a422b1ca641a337f5452904c6113f4b84617a6b5837ee653e2d3cdabc2c5c24939a035b498b0d131496cadd5a23dcbde7b0c88c1fa3c8178cf750c352271befc240453aad37c215389ffe369559733476c4a9b0799ecfc7e3a2ce9bccad61e6fc", &(0x7f0000000100)="4eb05afb6a80320d05bc3b1b45d660f56d08c1fe042c33212cdd47398bfe7f1fc37f54a1a54a793f13f8e8aec1753bbc3b2e8b835ccc74924e2ef7c9b32a8a168bc460e27a307299d2a42991b4c068d7a0dce4acc5195ae9286aa0328a128e74807c736769ecde963bb7cc247996d9967126d316e5e563c853fdd98a2bc440b4b31c89925133deca2020e784019c1dfe9dff392e78c159b0ae648989277cfadd5f4b13b3435306c11c09c2621e4ea2a2b76db04643986fbf83daa325a1f5095bd7a063a9900463b0f839542b09fa9179517e3c"}}) fcntl$getown(r1, 0x9) r2 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4, 0x4}, 0xffffffffffffffd0) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/checkreqprot\x00', 0x10440, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f00000002c0)=[@in={0x2, 0x0, @loopback=0x7f000001}, @in={0x2, 0x0, @local={0xac, 0x14, 0x0, 0xaa}}, @in={0x2, 0x0, @loopback=0x7f000001}], 0xffffffffffffffd2) getsockopt$sock_timeval(r1, 0x1, 0x14, &(0x7f00000002c0), &(0x7f0000000300)=0x10) ioctl$sock_ifreq(r0, 0x893e, &(0x7f0000000040)={@common='bpq0\x00', @ifru_addrs=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x1, @broadcast=0xffffffff}, 0x3, 0x4, 0x2, 0x1}}}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000012000)={&(0x7f0000008000)={0x10}, 0xc, &(0x7f0000005ff0)={&(0x7f0000004d9c)=@polexpire={0xc0, 0x1b, 0x201, 0xffffffffffffffff, 0xffffffffffffffff, {{{@in=@multicast1=0xe0000001, @in=@loopback=0x7f000001}, {}, {}, 0x0, 0xc}}, []}, 0xc0}, 0x1}, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000180)=[{&(0x7f00000000c0)=""/179, 0x1dd}], 0x1, 0x3) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x40, 0x0) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x2d, &(0x7f00000001c0)={0x10001, {{0xa, 0x2, 0x7, @dev={0xfe, 0x80, [], 0x0, 0xb}, 0x2507}}}, 0x88) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(0xffffffffffffffff, 0x54a2) ioctl$LOOP_CLR_FD(r1, 0x4c01) getpeername$netlink(r1, &(0x7f0000000040), &(0x7f0000000080)=0xc) fcntl$setflags(r0, 0x2, 0x1) 2018/02/26 09:33:12 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) mount(&(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)='logfs\x00', 0x1006, 0x0) chdir(&(0x7f0000000000)='./file0\x00') r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc\x00', 0xb8300, 0x0) bind$unix(r0, &(0x7f00000000c0)=@abs={0x0, 0x0, 0x1}, 0x8) socketpair$ax25(0x3, 0x7, 0xc4, &(0x7f0000000180)) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = accept(r0, &(0x7f0000000000)=@in={0x0, 0xffffffffffffffff, @remote}, &(0x7f0000000040)=0x10) setsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f0000000080)=0x4, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) r3 = getuid() r4 = getegid() fchown(r0, r3, r4) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0x7ff) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x501140, 0x0) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x0, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000000, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffffffdf, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x80, 0x0) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000040)={@mcast2={0xff, 0x2, [], 0x1}, 0x1, 0x0, 0x3, 0xc, 0x5, 0xf2c7, 0x3}, &(0x7f0000000080)=0x20) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x1098c1, 0x0) setsockopt$netrom_NETROM_T4(r2, 0x103, 0x6, &(0x7f0000000040)=0x8, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f00000000c0)="ece642dc8b1d908c442b307890fa4211c1d314e102cf7a9ded8cdc") 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) sysfs$3(0x3) 2018/02/26 09:33:12 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x1) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000040)=0x59, 0x4) mq_notify(r1, &(0x7f0000000200)={0x0, 0x37, 0x4, @thr={&(0x7f0000000040)="4d005f12a10988b34a996232a2874c71a7c013ce6ef8ee355a6ba90e78dd7f5a2a32aae3dd0ea49fedc06fb16621e652fd4230eaa1bf1c3bf0cf4a422b1ca641a337f5452904c6113f4b84617a6b5837ee653e2d3cdabc2c5c24939a035b498b0d131496cadd5a23dcbde7b0c88c1fa3c8178cf750c352271befc240453aad37c215389ffe369559733476c4a9b0799ecfc7e3a2ce9bccad61e6fc", &(0x7f0000000100)="4eb05afb6a80320d05bc3b1b45d660f56d08c1fe042c33212cdd47398bfe7f1fc37f54a1a54a793f13f8e8aec1753bbc3b2e8b835ccc74924e2ef7c9b32a8a168bc460e27a307299d2a42991b4c068d7a0dce4acc5195ae9286aa0328a128e74807c736769ecde963bb7cc247996d9967126d316e5e563c853fdd98a2bc440b4b31c89925133deca2020e784019c1dfe9dff392e78c159b0ae648989277cfadd5f4b13b3435306c11c09c2621e4ea2a2b76db04643986fbf83daa325a1f5095bd7a063a9900463b0f839542b09fa9179517e3c"}}) fcntl$getown(r1, 0x9) r2 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4, 0x4}, 0xffffffffffffffd0) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/checkreqprot\x00', 0x10440, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f00000002c0)=[@in={0x2, 0x0, @loopback=0x7f000001}, @in={0x2, 0x0, @local={0xac, 0x14, 0x0, 0xaa}}, @in={0x2, 0x0, @loopback=0x7f000001}], 0xffffffffffffffd2) getsockopt$sock_timeval(r1, 0x1, 0x14, &(0x7f00000002c0), &(0x7f0000000300)=0x10) ioctl$sock_ifreq(r0, 0x893e, &(0x7f0000000040)={@common='bpq0\x00', @ifru_addrs=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x1, @broadcast=0xffffffff}, 0x3, 0x4, 0x2, 0x1}}}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = memfd_create(&(0x7f000003e000)='\'', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000001000)={0x0, 0x0, 0x0, "9ec77a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) r3 = memfd_create(&(0x7f000003e000)='\t', 0x0) r4 = syz_open_dev$sndseq(&(0x7f000011c000)='/dev/snd/seq\x00', 0x0, 0x8000000000102) write$sndseq(0xffffffffffffffff, &(0x7f0000ff1000)=[], 0x0) dup2(r4, r3) write$sndseq(r3, &(0x7f0000e6ffd0)=[{0x21, 0x0, 0x0, 0x3fd, @tick, {}, {}, @note}], 0x30) write(r0, &(0x7f0000000080)="5b3e888185b0308d965c1e38f0ff8f1a2cb3548284afb6388e2e00dd36885b3e710dea3e9b34e07571b250446df214686baad3fdd30edf7bf4e4d9b5cd6482d949f5cb700816d2d69cc302e22b25c1c353d2e366fa57d243a308e707b64e9658006b33cf02009dc9f5f8c3de3732537c942ca473b766ad4e319eb4c1757b6d5d51402544d752bf6235515122f7482abae0d2bb9ad3abfcb7c7fd3a735fcbc1f7387daca6911c67b6b2b417b70a314e0f53b27c9ce08d3ad97d313aa9a84f73e592", 0xc1) 2018/02/26 09:33:12 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x4000, 0x0) ioctl$DRM_IOCTL_RM_MAP(r1, 0x4028641b, &(0x7f0000000040)={&(0x7f0000ffb000/0x3000)=nil, 0x9, 0x0, 0x80, &(0x7f0000ffb000/0x2000)=nil, 0x7}) r2 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r2}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) recvmsg(r0, &(0x7f0000000500)={&(0x7f0000000080)=@un=@abs, 0x8, &(0x7f0000000480)=[{&(0x7f0000000180)=""/181, 0xb5}, {&(0x7f0000000240)=""/140, 0x8c}, {&(0x7f00000000c0)=""/93, 0x5d}, {&(0x7f0000000300)=""/67, 0x43}, {&(0x7f0000000380)=""/217, 0xd9}], 0x5, 0x0, 0x0, 0x8}, 0x160) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x0, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 6: mmap(&(0x7f0000000000/0xe72000)=nil, 0xe72000, 0x3, 0x850, 0xffffffffffffffff, 0xfffffffffffffffe) r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) setsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000000000)=@routing={0x1, 0xc, 0x0, 0x1ff, 0x0, [@empty, @local={0xfe, 0x80, [], 0x0, 0xaa}, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, @local={0xfe, 0x80, [], 0x0, 0xaa}, @local={0xfe, 0x80, [], 0x0, 0xaa}]}, 0x68) connect$l2tp(r1, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x1, @multicast2=0xe0000002}, 0x4, 0x0, 0x2}}, 0x2e) sendmsg$nl_crypto(r1, &(0x7f000037ffc8)={&(0x7f0000041000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000e6c000)={&(0x7f0000e6cff0)=@delrng={0x10, 0x14, 0x200, 0x0, 0x3, "", []}, 0x10}, 0x1, 0x0, 0x0, 0x8800}, 0x81) r2 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x6b0, 0x400) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) 2018/02/26 09:33:12 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) ustat(0xd4d3, &(0x7f0000000000)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x10000, 0x208101) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000080)={0x0, @in6={{0xa, 0x0, 0x39, @empty, 0x5}}, 0x10000, 0xfffffffffffffb0c, 0x8, 0x1000, 0x98}, &(0x7f0000000140)=0xa0) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f0000000180)={r3, 0xffffffffffffffff, 0x3, [0x6, 0x40, 0x8]}, 0xe) 2018/02/26 09:33:12 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r2 = dup(r0) ioctl$FIONREAD(r2, 0x541b, &(0x7f0000000100)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x3, 0x40) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0xfffffffffffffffe, 0x300) ioctl$sock_SIOCGIFCONF(r1, 0x8910, &(0x7f0000000100)=@buf={0xf6, &(0x7f0000000000)="b70a1d808f4e4cd0c6e6a119865936bd37c3bfa3e9c2e128515b9fe602de65c0ab1df4612f7ea7eee8080964ed2541c9aac9f2d06fb85156af3d0518c57c75867518776af1db7aef5f1ebb6681320c6652472f21c5b324c48da7867d0cdaa520d18ab1809acec6e97a4f668b01cd89334338dfc54ea064e7c108941b88c104488320dc6a9d451d72e7a479ff019d63694cf00fc28e4503852ba65f4ed835da6e88f080547e8d466bff7fa2ba7e8bb7c3955b66c71689cfb3c585500a176b1816f0893f09566c5532f20be39e9167f69ab3e2f39301d44e142b6b67bd4f3e6fd0e8fa80778099ffe5ab44f9e065e0fe1e8660d862eb4e"}) r2 = memfd_create(&(0x7f0000000140)='$vmnet1selfem1\x00', 0x3) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f0000000180), &(0x7f00000001c0)=0x4) getsockopt$inet6_opts(r0, 0x29, 0x3f, &(0x7f0000000200), &(0x7f0000000240)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f00000000c0), 0x0, 0x1404, &(0x7f0000000080)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 3: socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000000)) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x40000, 0x0) connect$ipx(r0, &(0x7f0000000080)={0x4, 0x7, 0x100000001, "3008f7b1179a", 0x3f}, 0x10) r1 = socket$inet(0x2, 0x80002, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x281, 0x0) ioctl$int_out(r2, 0x2, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f00000000c0)={0x0, @in={{0x2, 0x3, @multicast1=0xe0000001}}}, &(0x7f0000000180)=0x8c) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000001c0)={r3, 0x3}, &(0x7f0000000200)=0x8) ioctl$UFFDIO_WAKE(r2, 0x8010aa02, &(0x7f0000000040)={&(0x7f0000ffe000/0x2000)=nil, 0x2000}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r4 = socket$packet(0x11, 0x2, 0x300) r5 = accept$unix(r2, &(0x7f0000000080)=@abs, &(0x7f00000000c0)=0x8) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xffffffffbffffffe}, 0x4) ioctl$TIOCGPGRP(r5, 0x540f, &(0x7f0000000100)=0x0) sendto$inet(r2, &(0x7f0000000100)="eabf9eade0213d1f4404cb8190055b22282c4cbf60c540ab4e2f9e27bb92a76e71949baab7cffa0481bf3fc043d7561897413b57c566334618d8963011e3ccb3233400e245103542976c6072c89c1c26a19344c89aa6637c15e3c906cf6d6cc986340e2ba692f21b4f8d3e000004000000000000", 0x74, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r7 = getpgid(r6) ioctl$sock_netrom_SIOCGSTAMPNS(r2, 0x8907, &(0x7f0000000080)) timer_create(0x4, &(0x7f0000000080)={0x0, 0x21, 0x1, @tid=r7}, &(0x7f0000000180)) ioprio_set$pid(0x1, r7, 0x7) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f00000001c0), &(0x7f0000000200)=0x14) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f0000000180)=[{0x4, 0x6}], 0x1) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = accept(r0, &(0x7f0000000000)=@in={0x0, 0xffffffffffffffff, @remote}, &(0x7f0000000040)=0x10) setsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f0000000080)=0x4, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) r3 = getuid() r4 = getegid() fchown(r0, r3, r4) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000000c0)="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", 0x1000, 0xfffffffffffffffd) keyctl$describe(0x6, r2, &(0x7f00000010c0)=""/168, 0xa8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:12 executing program 6: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000743fc8)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000eb5000)={&(0x7f000048d000)=@ipv6_newroute={0x24, 0x18, 0x713, 0xffffffffffffffff, 0xffffffffffffffff, {0xa}, [@RTA_PREF={0x8, 0x14}]}, 0x18}, 0x1}, 0x4) 2018/02/26 09:33:12 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x0, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:12 executing program 6: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000000)={&(0x7f0000000ff4)={0x10}, 0xc, &(0x7f0000001ff0)={&(0x7f0000002000)=ANY=[@ANYBLOB="380100001000010300000000000000ffe0000002000000000000000000000000000000000000000000000000000000010000bedf1c7776670000000000000000", @ANYRES32, @ANYRES32, @ANYBLOB="000000000000000000000000000000010000000032000000ac1400aa00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0003000000000000000000480002006c72772d74776f666973682d3377617900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x138}, 0x1}, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000000040)=0x64, 0x4) 2018/02/26 09:33:12 executing program 6: r0 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$int_in(r0, 0x0, &(0x7f0000000000)=0x6) mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_int(r1, 0x11, 0x0, &(0x7f0000000040)=0x2, 0x4) 2018/02/26 09:33:13 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) msync(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x7) sendmsg$key(r0, &(0x7f0000b6dfc8)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000327f68)=ANY=[@ANYBLOB="020300020f0000000000001c00000000030006fd0000000002000000000000000000000000b819ba26a29f3e55434c7ea4bd8d00000005000800020000000a00000000000000fe8000000000000000000000000000bb00000000000000000200010000000000000000000000000003000500000000000200cf2a3d4f77d7fde82427e7590ddef8429aec33a4629475d5bdc99721ca2bae79fe4a92f991c0f1c4f003d0f9fe071dbac7ac971b220a093fe2bac6fdcbf922bab102905158096adec889d13746aef805ad8b02fb757c6365c62ce75b464dcc443c8b69a105f56cf481f7d0a33eb3"], 0x78}, 0x1}, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x3, 0x0) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x10) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='.', &(0x7f0000000140)="636966f300358c8c5cefc46375fcffd531f018c6fb53aa5f359a85c33a32acecb1c38d1ee2c649d36702f1999e0b95c9865af27cbb2b60a40fac8a6240908e8b53addd03da95b2d38a0b27f91dbea86423fa696cc9c0c5db4f3bc549785bd0c75865f8db3a6577985488d3995de471fea2ce76d0276db12d8f9580876f6b611dddfcc473f862440889212b861b8cfc2c", 0x8000002000, &(0x7f0000000200)="c8630983d30f51fcf400100000000000001f262a0f9415cec52f6b4096d39ec7f96e467250e85ceea4c8056250e42d1684bf420000d87d9e976f4778") 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getsockopt$inet_mreq(r0, 0x0, 0x23, &(0x7f0000000040)={@rand_addr, @multicast2}, &(0x7f0000000080)=0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:13 executing program 6: mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x1b071, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0x1000, 0x3, &(0x7f0000008000/0x1000)=nil) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x80, 0x0) getsockopt$inet6_dccp_int(r0, 0x21, 0x4, &(0x7f0000000040), &(0x7f0000000080)=0x4) munlockall() mremap(&(0x7f000000d000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000007000/0x1000)=nil) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000140)=0x0) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r1, 0x10, &(0x7f0000000100)={0x3}) remap_file_pages(&(0x7f0000003000/0x9000)=nil, 0x9000, 0x0, 0x0, 0x0) 2018/02/26 09:33:13 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x10000, 0x0) ioctl$TUNSETNOCSUM(r2, 0x400454c8, &(0x7f0000000080)=0x7) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x3, &(0x7f0000000040)={0x2, 0x0, @rand_addr}, 0x9e) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x0, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @empty}}, 0x1c) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000a56000), 0xfffffffffffffe0c, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x2, 0x0, @empty}, 0x1c) accept4(r1, &(0x7f0000218fa8)=@alg, &(0x7f0000b0fffc)=0xfffffffffffffe0a, 0x0) open(&(0x7f0000000040)='./file0\x00', 0x40, 0x40) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x0, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 5: mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) ioctl$TIOCMBIS(r0, 0x5416, &(0x7f0000000000)=0xf1) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f0000000000)={{0xffffffff, 0x2d}, 'port1\x00', 0x56bfcfc90fdf00fc, 0x40800, 0xffffffffffff8001, 0x0, 0x6, 0x6, 0x200, 0x0, 0x4, 0x6}) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @empty}}, 0x1c) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000a56000), 0xfffffffffffffe0c, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x2, 0x0, @empty}, 0x1c) accept4(r1, &(0x7f0000218fa8)=@alg, &(0x7f0000b0fffc)=0xfffffffffffffe0a, 0x0) open(&(0x7f0000000040)='./file0\x00', 0x40, 0x40) [ 102.546557] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:13 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/udp\x00') preadv(r0, &(0x7f0000331000)=[{&(0x7f00000000c0)=""/127, 0x7f}], 0x1, 0x101) ioctl$EVIOCSKEYCODE_V2(r0, 0x40284504, &(0x7f0000000040)={0x9, 0x1f, 0x20fb883f, 0x5, "7411df008ecacdccbbf6607e8d60c9ef465c8de26bdef9f8530b4fb93f777aef"}) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x800) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f0000000040)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffff9c, 0xc008640a, &(0x7f0000000080)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r2, 0xc008640a, &(0x7f00000000c0)={r3, r4}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0xfffffffffffffdf8) [ 102.613874] TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) shutdown(r0, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x2}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x9, 0x200000) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r2, 0x80045400, &(0x7f0000000080)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$TCXONC(r2, 0x540a, 0x6) 2018/02/26 09:33:13 executing program 3: r0 = socket$inet(0x2, 0x803, 0x1000000000ff) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) syz_emit_ethernet(0xed, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, [], {@ipv6={0x86dd, {0x8000, 0x6, "0a6ff2", 0xb7, 0x3a, 0x9e, @empty, @empty, {[@routing={0x0, 0x4, 0x2, 0x2, 0x0, [@remote={0xfe, 0x80, [], 0x0, 0xbb}, @dev={0xfe, 0x80, [], 0x0, 0xd}]}, @srh={0x5c, 0x8, 0x4, 0x4, 0x1e7, 0x9, 0x8, [@mcast2={0xff, 0x2, [], 0x1}, @mcast2={0xff, 0x2, [], 0x1}, @dev={0xfe, 0x80, [], 0x0, 0x12}, @dev={0xfe, 0x80, [], 0x0, 0x12}]}], @dccp={{0x1, 0x1, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1000, "e02ca1", 0xf80b, "328ab1"}, "37ccc346357cdf9391bb8633d32d850cc027b07b2ed9af1f989b942dad54e3956a65e69c4540326a5d2d6bb387ebf60856552b9676e974"}}}}}}, 0x0) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x2e9) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000040)=0x8) poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x0, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000e27fc8)={&(0x7f000068e000)={0x10}, 0xc, &(0x7f00005adff0)={&(0x7f0000000000)=ANY=[@ANYBLOB="3400000013000100000000000000000000000000", @ANYBLOB="00000000000000060000000073f97a400002000000000000ebffffb1001385049ea767073fc58ffe4db13bc6"], 0x2}, 0x1}, 0x4000010) 2018/02/26 09:33:13 executing program 6: mkdir(&(0x7f0000578000)='./file0\x00', 0x0) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$KDGETLED(r0, 0x4b31, &(0x7f0000000040)) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f00000000c0)={0x2, {0x2, 0x2, @empty}, {0x2, 0x1, @rand_addr=0x800}, {0x2, 0x1, @empty}, 0x191, 0x8, 0x9, 0x7fff, 0x2, &(0x7f0000000080)=@common='rose0\x00', 0x43ec, 0x8001, 0x8}) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='system.posix_acl_default\x00', &(0x7f000054afec)="0200000001000000000000000100000d00000000", 0x14, 0x0) 2018/02/26 09:33:13 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x0, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000040)={{0x2, 0xffffffffffffffff, @loopback=0x7f000001}, {0x0, @empty}, 0x0, {0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, @common='ifb0\x00'}) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000000)={0x0, 0x4, 0x0, 0x2, 0x80000001}, &(0x7f00000000c0)=0x18) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000100)={r1, 0x10001}, &(0x7f0000000140)=0x8) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet6(0xa, 0x80000, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x40, &(0x7f0000000040)="aa3f435b2798406bc50dc782ef5b550e8d93222cd19bbe6b6899bafd5b5c92d85e15a431e048a02e05ca5ff37e2f5bedee4a0b0ec77fc3ce2bf997ef9db6a928e0bbb984111d25e5a9568808404bfc52545f5e8068b3497b", 0x58) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0xe522ea5ac8c0d384, 0x0) getsockname$ax25(r1, &(0x7f00000000c0), &(0x7f0000000100)=0x10) getsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000140)=""/4096, &(0x7f0000001140)=0x1000) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x0, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) lookup_dcookie(0x1a, &(0x7f0000000000)=""/56, 0x38) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 2: r0 = socket(0x10, 0x802, 0x0) sendmsg$nl_route(r0, &(0x7f000031d000)={&(0x7f0000c7e000)={0x10}, 0xc, &(0x7f000088cff0)={&(0x7f0000b78c50)=@getlink={0x28, 0x12, 0xc03, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@IFLA_EXT_MASK={0x8, 0x1d}]}, 0x28}, 0x1}, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x6, 0x7454cd23, 0x7, 0x8, 0x8}, &(0x7f0000000040)=0x14) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000080)={r1, @in={{0x2, 0x3, @local={0xac, 0x14, 0x0, 0xaa}}}, 0x5, 0x21, 0x9, 0xfff, 0x8001}, &(0x7f0000000140)=0xa0) 2018/02/26 09:33:13 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0xfffffffffffffffc, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000040)={0x0, @in={{0x2, 0x0, @dev={0xac, 0x14, 0x0, 0xd}}}}, &(0x7f0000000100)=0x8c) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000140)={r2, @in6={{0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x3f}}, 0x5ee, 0x1, 0x5, 0xf000000000000000}, &(0x7f0000000200)=0xa0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000240), &(0x7f0000000280)=0x4) 2018/02/26 09:33:13 executing program 6: socket$inet_tcp(0x2, 0x1, 0x0) setrlimit(0x7, &(0x7f0000becff0)={0x16, 0x88}) syz_open_procfs(0x0, &(0x7f0000456ffa)='smaps\x00') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x8000000000000002, 0xffffbffffffffefd) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000040)={0xfffffffffffffffc, 0x4}, 0x750166a53e8883a9) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000040)={@generic, @ifru_map}) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0xfffffffffffffffe, 0x5, 0xfffffffffffffffe}, 0xbbdfa04cf676cc06) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$inet_dccp_buf(r0, 0x21, 0xc2, &(0x7f0000000000)="0a34627e4deb56ef93d913663789b4db24054e6e3f753ac579aedc482e49178283a499e581641e0a084fb9c4a6899642e3220e8ed3aa6138c816e516fff088ff8aaa016816a1c57e934e43143400c1b8b2af381bbf987c7a137ace3a25a82d19a7b3552c9573", 0x66) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000040)={0x0, 0xa7, "cb49e4e336327eefe1d7c9454383c307eb649d318ee3e737bbcd25a2d5407e9192c9e9c44651c23d9097c738f8e487f038f5783578d90cf264ef3041524012eebe8b2f9303a9672fa7cbd1f5d7bf449ceb5e13feb1f8704922ad6369a096081f8c7721c25000c8874aad30db99579c29947c85b2955cf216106e33da2130ba99f1e35664da69cfb29c3b26ea44b79cbf9b44b370b16652ac0f0592de92edfb1acad72a289063de"}, &(0x7f0000000100)=0xaf) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000140)={r2, @in={{0x2, 0x1, @broadcast=0xffffffff}}, 0x5, 0x3ff, 0xd1, 0x3, 0x43}, &(0x7f0000000200)=0xa0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x3, 0xd5) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000040)={0x0, 0x7, 0x7, [0x1, 0x4, 0x6cd93ff8, 0x4, 0x3366, 0x0, 0x8]}, &(0x7f0000000080)=0x16) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000000c0)=@assoc_id=r2, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet6(0xa, 0x7, 0x8) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000040)=0x4) r1 = socket$inet(0x2, 0x806, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x33, &(0x7f00000000c0)={0x1, &(0x7f0000f07000)=[{0x5, 0x0, 0xfffffffffffffffc, 0x2}]}, 0xffffffbf) 2018/02/26 09:33:13 executing program 2: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x4, 0x601) write$selinux_load(r0, &(0x7f0000000040)={0xf97cff8c, 0x8, 'SE Linux', "e5c19a12f946714d583baa87ff32183a8903d30e9b3b0da21eb0948bb8eeb324270ba825d518743865da8dbd7da7e22a046b9ad8a8aee0092f940fbaf14b0b0e4c8db4b964b2555f63799926523752ddb7582111b5889c65c26f1f002ba91690bbbe2abbec5f1ec3917a97349ebce423b819147938418598dcbfc5e07baba9fa1250868312b6a0059e41902141f76a0398546b1f12c0b3364084d4b8a5bc429d5ab9334d92c782f5aa5768290cf3689a362c31d8f8effedbc7f915f370339ad353b9a4741066fb82a10578d012135bcadac99559832f3fcc38f5d9b2a86a3d2a0f42c499ddb6"}, 0xf6) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000001000)='/dev/rtc\x00', 0x0, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x4024700a, &(0x7f0000002498)) 2018/02/26 09:33:13 executing program 2: pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x4800) sendmsg(r0, &(0x7f00000013c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000040)="6e446c8607791970b2639f8633b0db7eabf874801d3267549a59f8f5ef1cf76558e68ea74908f51b6af92998c3d6c7303a570d71689ac93aaf79576b0a941f3f2adb47a9e609fcd922a3d3791e1076217539f941a150e828c3ce59ae4b447854dd6339c0fe10de157854f9e9df8c6e2da00262196eac89f9e89c9e2c8bc0d500f910a8a086e25b6a1a081d402a9ebadefb", 0x91}, {&(0x7f0000000100)="2e0534ae5858584cdb17a5c1129f532a0cd960b4d157f19f8afba27d2b8b7650a9930dc26fc39678c82037d9b966b728212ad09dc236df8a5d8b51032d5bd752f2ec0295b30d811908aab0c35545d3c7d6817c7b5050c56dba0410d0707e76102dece4471db8b3b0793646fdc7bbb6290a4b344bdf80bd5233e3bedcd07224218ac2aa13df77362443760394eb0a2f", 0x8f}], 0x2, &(0x7f0000000200)=[{0x78, 0x0, 0x0, "3d75320fe0e5c1bf8491f8ef789565a565f477c4c50ffb258cc2d4e2d54e6fdf43f9f9cde859ef8c100d6773fa4b8159273f0b302f2a444daf9d75dd7c330c03aba7f2ee03b57112dbc73636890a8186444fdd4ca12d0c2ffe674823a388fe4b4f514f982daf"}, {0x70, 0x116, 0x1, "c6c27b7aa3dbcc3ad8ff46fededc6b027b1d4402a3c0942176dcf9093c76035f3d32e302ff441b0dec31687ca31128404b15e1302190c31b8ac506c9f40fd8795b6619fd434f47868dbf564f57819280042c51c8ce15e5db324c5644e5aa48"}, {0x1010, 0x111, 0x100000001, "f38ae15290670636837daaffc23dfeb63b3b1e1329a0423f1de7d73cfe259158598b9dc154d21a0a350c706b702d5c0db6289802bd9618d11d8e5f7f58e8c4d1bd21187d4edc38ce2a1e30983282b1d77ce30245ac2618a6d4683e396e6169a681c0cb13817f3235a6ea04a5b04877b40437cfd6712329fb10ffd87cabff7a07f732306022cd574d758934591396a6f83917c17b0e93936a8e7b2bdfd7956e8183bc18520d5f6f3ce3f0b39c1c6d8ac0280acd388ab747f4712165dc81923154f1725d3560e3ecab5f8405615d8aba762a5018423eb4002016db41ca304afde62f21d1124f02171645144dd27e4dbb3b17afa8a45daa26c53ef01cf822be3be71dad358435443f77fbd43d9adab2882d86b6205a1ab19ee0efea34d221ed0e9c79721ba870b4f2466d79be2a2feb28260b670db6c9fe82dd607bdf3742f2a9d75e07ed06bcc2a6e9429c046fac45cc0cef76d4c9f684233596e6d559a27db6fcb6fda0547990e5f576478c5fc4310b7c85f9f7f056f783c620b01a3242664d8fddf3e42215d8609e2d20dfbe3e6a840b00e6abc5c5c8334cc43a4e4455382268cc1bed10ebeed78c645c6385cf63a67ce9f7b763d46787af481420dee16a1d2836058600458e63eee660251b4e936ef98b28fc67b7e6283b88ac25336d8c8822be4ef4a1408a035270ae09f02fb5f5985baeb5127115c59290e9ef1a0c564c0239f68b14a6d9c76ac8e1b1b019989b34f0592439e472772279fb1859a8c7e3f1a929c8489a66c77f10107af8eeacb214656e81f421cc1a0c43b0c806b1bcaa7e7663e99f37ce2bd3a62e91c513753fff1c43b236a3b692efaf8ccc23ea165bbf96d1c86530fcbba6b341e69797a133f138d510caf5bbd003dc4e838b855589650822ba4bc37102b9d3901c8b5f9e7403b876f5a2b82ea97e2c8c9f38a6033c412d1963faa2fd975e6af5d281c7060f9e4bce609a370394abf4a295d2e63909283cb50a38e3069c2d994cb9d027591e216005dcf8236e8974eebedcd11ac89b652cbb881e350f339dc5bd0638c91485c13980c90235d3f492cd9b8ee0869d3778547300c272e152a98344860c879717740c062e16ccedcd398c2ebe32434bec8ca64e8e851cd01ed6a77e5d76e3623d0e42c26b07fd9a86de5b52daaa42ec92e1353780d0f639e26021918346536cf8c22e1f07464a5e946ac3c226b3844e5c5cad52c7e77be22d8ec3ed27a7d67343e276b72be316cedcaa90e7140784a53dad64547d817ee8023e7c9b78b376ad7c94cc15d9844a454f6334b3c85f7d0876d20ba67cb2645f17eb1a31fc4c7d720f2bb702e2597fc5332e45404f75fe7d03c69bec23d92a1df80bf381025a03f2b58e2133a6612f66cdbddeb47ffb3774e9fb154428f1d0840db795ce7c1a3b9ed49b4bd8814ee7695bf8d814025b71eb7c52dd2790b4f10c6059ee31215e432c1921700bd7d52af9909abda4236777a5bf4d7a920773a52fdcb399b2490dc5b14577b5a2b6456b440ca782ccb1cb026c85fc5d3663ab9100ecf68d64430a603784ee8fea4af2e6bccc734911ab8f9da06e31b8ba33ad1f12c85c4c7473404b1f834db6d28bab59f205a68adc46cf6eba64ec0b3f00c649dd4eedbb0ae002b437baa31be5489f4e98f445ef45a1296f202cf2f7b5b510527618f692c578dcd4bc089215bddd1f68f64ec778e755e662d932a6fc806713563a6be66f2bd7e616326f3c9bacb61895fb20d55a770c87af8c57bdb1db7f69d3321fa14efa3fde99ab78a1710be6e0207a0239443506231e78e001b5afd2234c7fc7c6edaa95c962818ac8213ec1c8b886b855fc840408974d5456d77a44badcc7272ae777754ac195c72053568b2be22fa3ca72768364d5611771333dc1eb549fe2d16588057adf882ebf7c2639987f8692ba921b44c9a797b0d86190adbcd3386650b8cf1e3327b4147a38e6d0ff9bed4b558b0ba7b78c38ac2a9b4457a87c78c9ac25e7522932acc8a6af7746fd61d0bbaa4096b522ee4618f0da9bb63fd931f916d6728cf59667e25a12fefcff6ee6e1dcb9b978fd2a3119b6e4dda45802958512b49f8e2b5aa5bba85e28637ee233e4fbce84335c8c54dfd390192e350197399d70d22a82342c2123d38a60caae229554541759bce7107e8348eebd4a4037661d6b418184952da49803980952e97fad0c063c1f9447664826b54417ece5b192abd6fede08fa4ddc76897ddc7321a98405de6672acbfaa91dc647b485bafefe73898ee91bf03a9fd6349b58ca954b097bae668e477665cda0be60ddb2aa4dfdf81ecb47a88f6c1b921e43865d8b664d323f4db3795d8e7028f0d405a762f77a1e507d4186d68d1b061cd528ac3ec881f4c79d7b25595b8a826dd1223d7fd4ec7480e83a0155a7334a8db248e9cfba5a442278202299504999a1445ac1c1137432d512df9c31cae7ecf897088fe4b073c0feffa6ffde5be92c7e75eeead5b31219f06ae87e79347f7fab9d9b87ccef6dd28e211fc99a3601f18d9889ab240c7192719cdf32e79f0a29340250d26418effde04c028e35ec8d4a1186bab5f8c54661d37de2336c7b7a3e4d26c5dade80686ec22e2858e95510b8d5108e6afa6414ad3ff1d450c58374c03e74a5c68d6b2292b6e9f11af38e3abb2121cd9d8281c7785657c3147f8f124fb49a8d594b05c34dc05f1bc12d54b17909b28f3429fdd8eba9b6a25f82ba00756e6986b3da6d242135c8b39edce8043e49f8f3ddf63cf5a84d57f5292ddc377254c16aba25d90095964534d48ad0b4b963888e161d461f65c1245b529deaa7fd281e54548095d8cce38f8e485fbc8d81a14e118057614b461f64124a2aaae65413f2e5b507d17db6136bbd1762eac37d1966f1892adc70cb39b6e06920186bb3117d587099922a4d2e091ca1e5f93a78770e47e0fbbc6a1b47e92eb82891a7033c97ce98e93715034a16a3baf8aa78b34fd01a15e4521a3f7be4c65babbb675de17b2d395d23c959fea59da2d1cd6ba94f1a5959ca03ccf946def24a7dddc7caf4a1b6ec257d6287ec1851079ad4117d93f6195ba4642080adae4f9b660b1c1a10d789c14eb24e26d210e16e4a3bc7c6bd22ff41a2c8d0bdb02ee4b3d97cce38d992b389290fa8a40ecb9f6b9eeb7cf5d3228414f813d11f50edfdb4309662c2fce9e6197c5a785eb3849da8e10e0398d12dc5c74c0aa4294a350654d57ab29a66c9fa5058d96602e39a996b95a52d442546205599e4460eae4d6d02be9635412f6240c1438520a33359d989c979b21d076c4f19940dd4ff500da55e7ccde6230f7f9e3ca17f8d690afee90d0401be15891b82945bfb41157e22952cff782a2440db67d6f54224a8609bbe6081adace4e67b264145deb64ae6cdd87541ebf69fbbaffcbd62ba01bd35595d2836fb27d941af67bfb17bdf3605de4bbd7305125ea459c0e7dc0cd2f2aed60738e086b3e13a9f427425636f7e28b671a6e1cefc064b62e98cbcd56b9797b139d8321427ef6a9730361ae077fefbc1e01efaa12b3180607bcf2acb61917e7caf1b08e21f6c857c2e00074546220555d42052e183720267e19024602be9f20dd3e34cd9a90c835aa7f08d4e71a35ad8b3c747dd2772158ff0463e9a79ec53d321e7d3734f98d9bd786e0752eae1c78ebc77646166da2b5bc0cfaf6cdac87eee46051afa5f976120ffe59decc5acdd2d3903a7ea55d2186ed08a65d9b164712b39f807c2e5438b426482b3660d6e5f4104de88ed60be623eebcfe3601be444037fce7e7c546dae0390e879dcd55996640175c9de0e5471004840f6c68f195cb9894467fbb8523ebe6fb539f64c4ed77521a2e447d4a56c57d8af97eebd6e13b65953745d684b2094bcb39079cea26699fbb7b5f9df1c91218355a37d7864174cd98af30c1ecf2799bc10335b5c1f4fbe081516250c20440f4d6cc2557c1842e6c42e6c2ab83094f1a98458f52ddc08d6b1ad500b02729f36d3d0f035f2807efa4442a2c4c30a949994f86a0fb9daca5187528e46464c82bfc6e4c88fb1ae6665379d85680a3807e1130cca538624fd85431b7fdd94b6616b7148cef3ffa9376698deb8d53e8b1838c46a6eabe85fb1de3df88e3d0414a5dc03a807d40930c838cace483afa682aa1487fddb85f7be1f951ec8c54af63dd4c303267f735d0487f71158787f3876ff394a44c37dbfd4bf1d688bc9210092d969564f75eaeacda85d5a350813cbb1092a91e7e5e29a43bfc3bab3f6aed23fb1d422f6d922703fbb3c222b2edc310cbf8d134d182b37e32530a5c80055ac328f881982d064e0ae546e6f89bda1636cf868362d031c394cec49db5ed5820f3a38e7e5669c48cc58d42aee3b187fa6d09cf7ceeb17834ee426f093ee3ddf6536b1068bfc3dba12847696c90449da2cbc8a0cfde3a0eb1c6f44a959a7f08da0c9fe981377ce63d7822d1788fe518da2811195bfe9730a75a81fb3dd0bbd047440b088ef304d8984c22d3c6017bddc5edd21e4a1b0af2b5c0cf74a02f2fbf1525c3eb60f7dca870de6a27fe7ce6ebec1084dd31ce2f2da4130d8173190fdd5a0bf6408e0a8dfdac5d2885e9de4ba1d5ab5b822948cb04ccfdedef645e90b14f9efa0c528c7e9a427db7abbaaa2783d89b278c05cc0c42fbbd780d398c00b13234210449d7fb60ac1037cba772484857897188bdbb8e6945157016e9db40607f828e98362b519d9fe75b2818120355a3518860320ed03866f35f88fa64ed90949b8e9d25106c29dc4c3b1be9fc3b02ad2dfd27309c0b1feae0e65f8e82b540bdf6db061d8223a626f4bdc878f1b537497f0e497dea3c9ac2464ee47ed89af79b696ef4ea4c2489b11654c64de0a57edaebddaff0f902beb3529dba264457b21a58ada903029abc912c360712259729e71d16d6e82b5b62dd7e63ad437e4a7ba25d7c0615f0c22ed6db8996503bee3e587234baaafcb6665d5e2b568e681b5fc67b776f3a311cd4458536b8adac999b296a40427c2044de1624770998470ec6f7a5d757ce6db34213343ce912b103f448a237c5b8961fd76df8020e4454045851852016edb51a2d062fab55ca3a5c8d2b901527a6b4798b31cbe396d3478cf0799e6eda8fafa1073c62a711bbbd42b0a160946fc206a31fa81eaf45686a0195c5c6267ebf5d92591ac027dd581a6cdb777d8d5e78edb3f74af5c95b7e5649e62aecfd7cafd7aeb9605f88fdd830508564a538dbe39bc4697803856e0531beabd2460c466fc4c4a3e6facc0a4a7ad1fa8de2f96d773d115c839576cb91913e71368706981e551188eb004fdc3d289714a3b366c7f4ad31797958d6b7771c0c3572638ac3bdafd54ea28021f167fa45d13d9899c17a3523d2a514f9d6e7dd5baeb0ed55a13a58d8c5ac805c75767f32ead78c731925fd9b575520c5bff2129e6e003ee2c5c03693bc24867debdc8005d9f3ad07495fb8b9d72af40f0fb45afbac1c159c67b4255ebbf8e977ae40fadb559ba11a74969be29cc4b46fd09dbc6e84f4d274de47cd674f3fdfda46b7b0b2592f475ed43a3dc6e76e9ae711a8988aec5e0605b379ca7b53dea62dd16d81bbfd37b34d2f8b801015acbfe88362b5c0f510e3326dfc4fc5a0a5a32f6f5a40346bc9cf6d3ce27ad4af94cd5a4a8d0fcb8fe168e906ffaae34851315defbd46c877e034d074725affe3df39e4ceb4c820228e02a841142936f29fce2f14981c8ae72150138bbcb06e8891303a5835bfbc5039db319cc414f1c50edb1c1c0c8f0742cbd7c"}, {0x98, 0x10f, 0x11b73d39, "3829909f81c6232deb725ebe050f6d044f99db276ace10a5fecfc53e7dfcc557b1c417a7c8cff6c51bcacbc5de615166c681897f8f364e06ff30fe54fb1d30b7308e8e259de05d0f19d8281a1b0a7372c982d7457a4d53731ee1eaabc0913de4f6e4c89546add0719f0a15bf515a67c633dbc67f345bd2fb24cf128ea72358ba68ddcdf3"}], 0x1190, 0x20000810}, 0x200048c1) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x0, 0x0) setsockopt$sock_int(r1, 0x1, 0x10010, &(0x7f000067d000)=0x19, 0x4) connect$unix(r1, &(0x7f0000001400)=@abs={0x1}, 0x8) listen(r1, 0xfffffffffffffffd) accept4$unix(r2, &(0x7f0000000080)=@file={0x0, ""/108}, &(0x7f0000000000)=0x6e, 0x800) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/udp\x00') unlinkat(r3, &(0x7f0000000080)='./file0\x00', 0x200) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) rmdir(&(0x7f0000000000)='./file0\x00') r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f0000000080)='cifs\x00', 0x2000, &(0x7f0000000000)) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x14) setsockopt$inet_mreqn(r0, 0x0, 0x26, &(0x7f0000000000)={@remote={0xac, 0x14, 0x0, 0xbb}, @loopback=0x7f000001, r1}, 0x2) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000d59fc8)=ANY=[@ANYBLOB="e00000027f0000010000000036495e35c6105eadac14000000000000"], 0x1c) setsockopt$inet_mreqsrc(r0, 0x0, 0x26, &(0x7f00000000c0)={@multicast2=0xe0000002, @loopback=0x7f000001, @dev={0xac, 0x14}}, 0xc) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000080)={{0x2, 0x1, @rand_addr=0x24000000000}, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x4, {0x2, 0x2, @dev={0xac, 0x14, 0x0, 0xc}}, @syzn={0x73, 0x79, 0x7a, 0x0}}) r2 = syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x3ff, 0x100) setsockopt$inet6_dccp_buf(r2, 0x21, 0x80, &(0x7f0000000100)="cd1305281a37713bddc8aaac768e6597f59d0f5ebd03582088d6457db06e14c0", 0x20) ioctl$EVIOCGBITSND(r2, 0x80404532, &(0x7f0000000180)=""/4096) ioctl$EVIOCGSW(r2, 0x8040451b, &(0x7f0000000100)=""/58) setsockopt$inet_dccp_buf(r2, 0x21, 0x8e, &(0x7f0000001180)="255610b0e76937532f29110c0e9c4bc9d94c19098e749937930c6fc67257ca0f32ffc2187e14a731f03ef20fa48b6aede58caf9197d989307355bdb0937ff952db48f9c2c78d6e87feedde972833f8102a02980b7edd946f981b4d244ba7f8642cec2d65a079c92ee034c9d56a962ca2188c535f2ee2d6c5682e6a7624f322311fc729468ba7c73204bcc74134b9bce7475f5bf9d48bd7f86198d94da17480937b7b11ef8afed7cec7814f55fd3da02885a9ee22040c5597c8dc85609a19b2f8970db93cf48c73373e", 0xc9) 2018/02/26 09:33:13 executing program 2: r0 = open$dir(&(0x7f0000000000)='./file0\x00', 0x40400, 0x9) fadvise64(r0, 0x2, 0x0, 0x7) r1 = dup3(r0, r0, 0x80000) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000040)=0x2) futimesat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={{0x0, 0x2710}, {0x77359400}}) sendmsg$nl_crypto(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@delrng={0x10, 0x14, 0x130, 0x3, 0x2, "", ["", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x810}, 0x40) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x0, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 2: openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffff9c, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x14) r0 = socket$packet(0x11, 0x400000003, 0x300) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000000100)=@req={0x81, 0x6e7, 0x6b, 0x4}, 0xfffffffffffffe94) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x14) setsockopt$inet_mreqn(r0, 0x0, 0x26, &(0x7f0000000000)={@remote={0xac, 0x14, 0x0, 0xbb}, @loopback=0x7f000001, r1}, 0x2) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000d59fc8)=ANY=[@ANYBLOB="e00000027f0000010000000036495e35c6105eadac14000000000000"], 0x1c) setsockopt$inet_mreqsrc(r0, 0x0, 0x26, &(0x7f00000000c0)={@multicast2=0xe0000002, @loopback=0x7f000001, @dev={0xac, 0x14}}, 0xc) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000080)={{0x2, 0x1, @rand_addr=0x24000000000}, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x4, {0x2, 0x2, @dev={0xac, 0x14, 0x0, 0xc}}, @syzn={0x73, 0x79, 0x7a, 0x0}}) r2 = syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x3ff, 0x100) setsockopt$inet6_dccp_buf(r2, 0x21, 0x80, &(0x7f0000000100)="cd1305281a37713bddc8aaac768e6597f59d0f5ebd03582088d6457db06e14c0", 0x20) ioctl$EVIOCGBITSND(r2, 0x80404532, &(0x7f0000000180)=""/4096) ioctl$EVIOCGSW(r2, 0x8040451b, &(0x7f0000000100)=""/58) setsockopt$inet_dccp_buf(r2, 0x21, 0x8e, &(0x7f0000001180)="255610b0e76937532f29110c0e9c4bc9d94c19098e749937930c6fc67257ca0f32ffc2187e14a731f03ef20fa48b6aede58caf9197d989307355bdb0937ff952db48f9c2c78d6e87feedde972833f8102a02980b7edd946f981b4d244ba7f8642cec2d65a079c92ee034c9d56a962ca2188c535f2ee2d6c5682e6a7624f322311fc729468ba7c73204bcc74134b9bce7475f5bf9d48bd7f86198d94da17480937b7b11ef8afed7cec7814f55fd3da02885a9ee22040c5597c8dc85609a19b2f8970db93cf48c73373e", 0xc9) 2018/02/26 09:33:13 executing program 6: setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000002000)="0d576aa5b72ceb3f97738795af87125e", 0x10) r0 = socket(0x18, 0x0, 0x1) connect(r0, &(0x7f0000002000)=@sco={0x1f, {0x1}}, 0x3a) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x2000, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000000040)={0x3, 0x80, 0x100000000, 'queue1\x00', 0x2}) readahead(r0, 0x3ff, 0x100000001) sendto(r0, &(0x7f0000004000), 0xfffffffffffffedc, 0x0, 0x0, 0x0) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r2 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x101000) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000080)=@get={0x1, &(0x7f00000000c0)=""/45, 0xd0}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$TIOCNXCL(r2, 0x540d) ioctl$SNDRV_TIMER_IOCTL_STOP(r2, 0x54a1) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) setrlimit(0x0, &(0x7f0000000040)={0x5, 0x2}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='sched\x00') ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000040)={{0x2, 0x0, @broadcast=0xffffffff}, {0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x2, {0x2, 0x1, @empty}, @common='vlan0\x00'}) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @multicast1, @rand_addr}, &(0x7f0000000080)=0xc) 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x2bb) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000080)={0xfffffffffffffd31, {0x2, 0x2, @empty}, {0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, {0x2, 0x0, @loopback=0x7f000001}, 0x10, 0x2, 0xffffffff7fffffff, 0x0, 0x1f, &(0x7f0000000040)=@generic="0ab7387b5b84c2516bc2649dd363e1fd", 0x7d7d, 0x0, 0x6}) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000100)={0x0, 0x23, "913fb7cab2a3914345db5cf85e454755e5f1cdf971f0783edc9d32a5941e123eaf6903"}, &(0x7f0000000140)=0x2b) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000180)={r2, 0x5}, 0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) prctl$setmm(0x23, 0x4, &(0x7f0000ff9000/0x4000)=nil) 2018/02/26 09:33:13 executing program 6: r0 = userfaultfd(0x2000000000080000) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f00009f2000)={&(0x7f000007cff4)={0x10, 0x0, 0x0, 0x1002000}, 0xc, &(0x7f00006b8ff0)={&(0x7f0000000040)=ANY=[@ANYBLOB="140000002100ff020000000000000000020000004c21be9f3fe98dc2d74888d75f0ceefc380467ca37b398d09fc8601e2449c1d374f15f8cb7d7bfb197854ee4b3acf1b89243c7dc965405fc852a7853f0485fb7d39133198b50bea3f9d07bbcfa29768cb82623c94908ac2264187990a472053d30f3e25abb98e3051b6d1acda1a9b1578b28c095c3e5439f7ebee9f61cafaabddcebcba5b7c66cdb45aaaa5c81f0fa68c9bbe1c0df1be859f1e0007d37b0b9f783f9f948058e48bf93a2ad5cd039bdf65dcc9328f84d7448d0a987b70f93921706bf8c26f91b955c8fe2f4cc9adf0e031a0ac2ca0a6c1c98abc0404f254fbf0e747a57c2227f8a9e4b04c79011f666050975c1c105336e35817761134a4a3175dff2dec059508b549cd9741ece21"], 0xfffffffffffffdff}, 0x1}, 0x0) readv(0xffffffffffffffff, &(0x7f00009fc000)=[{&(0x7f0000000180)=""/8, 0x8}], 0x1) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x4000, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000080)={0x0, 0x8}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000100)={r2, 0x6}, &(0x7f0000000140)=0x8) ioctl$DRM_IOCTL_INFO_BUFS(r0, 0xc0106418, &(0x7f00000001c0)={0x5, 0x5, 0x4, 0x4, 0x2, 0xad}) getsockopt(r1, 0x8, 0x7, &(0x7f00000001c0)=""/101, &(0x7f0000000240)=0x65) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000180)=0x0) fcntl$setown(0xffffffffffffffff, 0x8, r3) 2018/02/26 09:33:13 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_mreqsrc(r0, 0x0, 0x28, &(0x7f0000000000)={@local, @multicast2, @loopback}, &(0x7f0000000040)=0xc) getsockopt$inet_buf(r0, 0x0, 0x29, &(0x7f0000000000)=""/16, &(0x7f0000fae000)=0x10) 2018/02/26 09:33:13 executing program 5: mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x1ff) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x0, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x0, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x1000000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000040)={0x1, {0x2, 0x0, @rand_addr}, {0x2, 0x1, @empty}, {0x2, 0x0, @broadcast=0xffffffff}, 0x2, 0x9, 0x6, 0x1ff, 0x17, 0x0, 0x3, 0x400, 0x80000000}) 2018/02/26 09:33:13 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000000000)={0x0, @in6={{0xa, 0x1, 0x9ff5, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0xff}}, [0xe7c0000000000000, 0x6, 0xea, 0x20000000000000, 0x80000000, 0x1f, 0x80000001, 0x7, 0x101, 0x20, 0x4, 0x6, 0x1, 0xffff, 0x7]}, &(0x7f0000000140)=0x108) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000180)=ANY=[@ANYRES32=r2, @ANYBLOB="690000005e69b9bc3768506f0c529fafe60f5a2d8d566dae9741bc80c2d89149aaeeb1d5c3903a10c534c01ed302d723b49af14035e2af8ec2073b597cf501664afd9224eb367b2aeb8def53d35a8033b7b460c15d69bd44af6624fedddfa2d7460b8f0f92fcdc58da68a4f889"], &(0x7f0000000200)=0x71) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socket$inet6(0xa, 0x80801, 0x8) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x0, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000000040)="72216d6673006240c2a9911e58be162fd4abfae0c3d22ec3c6a8fb6ff069cbbea45e0e13b2ad8a9de4a028087f0f8565ec30ec67f7f24158176b2d7f11d26be0dc93dedd90494780dcb455cb95b088493708d2b7a378a8570be15ae533dc73048eee504fb9953502775915c51b8c8cdf207b451a170c6763be0c253223b42828b8d8", 0x0, &(0x7f0000000000)) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000100)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000180)='mOunts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 6: r0 = request_key(&(0x7f0000000000)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a}, &(0x7f0000000000)="2a5c2a406264657676626f786e6574305d656d3108d970726f63776c616e31656d3027766d6e6574312500", 0xfffffffffffffff9) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$get_persistent(0x16, r1, r0) 2018/02/26 09:33:13 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='sched\x00') ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000040)={{0x2, 0x0, @broadcast=0xffffffff}, {0x0, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x2, {0x2, 0x1, @empty}, @common='vlan0\x00'}) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @multicast1, @rand_addr}, &(0x7f0000000080)=0xc) 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) sync_file_range(r0, 0x10001, 0x2, 0x6) ioctl$SNDRV_TIMER_IOCTL_TREAD(r2, 0x40045402, &(0x7f0000000080)) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000080)=""/110) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000100)) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x4, 0x1) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 6: mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x1ff) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000124ff3)='/dev/net/tun\x00', 0x0, 0x0) syslog(0x9, &(0x7f0000000000)=""/4096, 0x1000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={@generic="30609402000000000000067d08cebd5c", @ifru_mtu=0xcf1a}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000140)={@generic="40c24c71dba16aa409a22b17688959b0", @ifru_flags=0x1400}) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000229ff0)={0x0, &(0x7f0000000100)=[]}) r1 = open(&(0x7f0000001000)='./file0\x00', 0x20000, 0x0) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000001000)={@generic="0307d8f2df8ec952fcc61286d345300a", @ifru_mtu=0x1}) ioctl$sock_SIOCGIFCONF(r1, 0x8910, &(0x7f0000001140)=@buf={0x93, &(0x7f0000001080)="a79fd72dce2178626f2efe401edcc9d8ff616dff5efb794df00f90e2948a181b26e7ceb77dd27132a824297e77db2d5f2e26ca79e342162fac52b9fbe99a745cdadd75b80ef8f0d7e36b7ba4d9e6ac61101466187ecf7f7e266b125d13ba8466c51af9354bfbd5dbcb52e635c7af81a385096529c86cf8a24621d2723116d24e4d027801b248edc7987c8af14e1c01c4fe9326"}) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x0, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 4: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng\x00', 0x10000, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000100)={{{{0x2, 0x0, @multicast2=0xe0000002}}, {{0xa, 0x1, 0x80000000, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x401}}}, 0xbb0, 0x639, 0x4, "a1f535c175cc4c2e4a09ae12d060b91423cfd28140405da486f11227e13cf0cdb26b10f2d264e0e548c3c7e08e495ad90e76fffbd6bd9b02b22007370d1a21efb08ad4f28ffe73844be7d76bf8287b85"}, 0x160) r1 = socket$inet(0x2, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000000)={0x0, 0x9}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000080)={r2, 0x4, 0x7}, 0x8) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$l2tp(0x18, 0x1, 0x1) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r3, 0x111, 0x4, 0x0, 0x4) getsockopt$inet_sctp_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) r4 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000280), &(0x7f00000002c0)=0x4) 2018/02/26 09:33:13 executing program 6: r0 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f0000000000), 0x800) ioctl$sock_ifreq(r0, 0x8910, &(0x7f0000000080)={@common='sit0\x00', @ifru_data=&(0x7f0000000040)="bfddbafa3c3d9f4f6cf269cf2eee3f5fc9395c71b674eb9b38a688781087d0c9"}) r1 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_MRT6_ADD_MIF(r1, 0x29, 0xca, &(0x7f0000000000), 0xc) 2018/02/26 09:33:13 executing program 6: mkdir(&(0x7f0000742000)='./file0\x00', 0x0) mount(&(0x7f00004bc000)='./file0/file0\x00', &(0x7f0000000280)='./file1\x00', &(0x7f00000002c0)='ramfs\x00', 0x1, &(0x7f00000000c0)="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") socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)={0x0}) setns(r0, 0x44000000) lchown(&(0x7f0000facff8)='./file0\x00', 0x0, 0x0) 2018/02/26 09:33:13 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x0, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:13 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept(r1, &(0x7f0000000040)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000080)=0x14) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f00000000c0), &(0x7f0000000100)=0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x8, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f0000000040)={0x9, {{0x2, 0x3, @broadcast=0xffffffff}}}, 0x90) 2018/02/26 09:33:13 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0, 0x400}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:13 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000124ff3)='/dev/net/tun\x00', 0x0, 0x0) syslog(0x9, &(0x7f0000000000)=""/4096, 0x1000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={@generic="30609402000000000000067d08cebd5c", @ifru_mtu=0xcf1a}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000140)={@generic="40c24c71dba16aa409a22b17688959b0", @ifru_flags=0x1400}) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000229ff0)={0x0, &(0x7f0000000100)=[]}) r1 = open(&(0x7f0000001000)='./file0\x00', 0x20000, 0x0) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000001000)={@generic="0307d8f2df8ec952fcc61286d345300a", @ifru_mtu=0x1}) ioctl$sock_SIOCGIFCONF(r1, 0x8910, &(0x7f0000001140)=@buf={0x93, &(0x7f0000001080)="a79fd72dce2178626f2efe401edcc9d8ff616dff5efb794df00f90e2948a181b26e7ceb77dd27132a824297e77db2d5f2e26ca79e342162fac52b9fbe99a745cdadd75b80ef8f0d7e36b7ba4d9e6ac61101466187ecf7f7e266b125d13ba8466c51af9354bfbd5dbcb52e635c7af81a385096529c86cf8a24621d2723116d24e4d027801b248edc7987c8af14e1c01c4fe9326"}) 2018/02/26 09:33:13 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000)=0x5, 0x4) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7, 0xa000}, 0x4) socketpair$inet(0x2, 0x4, 0x4, &(0x7f0000000040)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:13 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x1, @multicast1=0xe0000001}, 0x10) getpeername(r0, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="000000000000000000000000000000010000000000000000000000000000000000000000"], &(0x7f0000000040)=0x2) r1 = epoll_create1(0x80000) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000080)=@req={0xfff, 0x3, 0x7, 0x7}, 0x10) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f00000000c0)=0x9) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x1, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000fd6000)='highspeed\x00', 0xa) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f00000000c0)) shutdown(r0, 0x800000000) 2018/02/26 09:33:14 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f0000000000)="87128b59fbe300000009b9fe2150865b4e46ac4019191812176b040f7bb5d922c828e9febf87304311232a8175bc28be34d97376e1dc447d38888ec0e48a9ca63a42e5a72c58741345aa9dae3aa2553077d58b0571f03a2a067bec0f772083ff28a8b22aab95a1f1e85cfae975bbef390bce92ba9e6011158a5b41e7131c56d1d8a83ddfb7e333fd") r0 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r0}], 0x1, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) epoll_pwait(r0, &(0x7f00000000c0)=[{}, {}, {}, {}], 0x4, 0x401, &(0x7f0000000100)={0xfffffffffffffff8}, 0x8) 2018/02/26 09:33:14 executing program 6: openat$selinux_user(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/user\x00', 0x2, 0x0) mkdir(&(0x7f000002b000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000002c000)='./file0\x00', &(0x7f00001d0ffa)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = creat(&(0x7f0000f66ff4)='./file0/bus\x00', 0x0) r1 = open$dir(&(0x7f0000eb6000)='./file0/bus\x00', 0x0, 0x0) writev(r0, &(0x7f0000030000)=[{&(0x7f0000a10f59)='y', 0x1}], 0x1) fadvise64(r0, 0x0, 0x0, 0x4) r2 = dup(r1) read(r2, &(0x7f0000e24000)=""/40, 0x28) 2018/02/26 09:33:14 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x1, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x1, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000fd6000)='scalable\x00', 0x9) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000040)={0xf9, 0xef4, 0x1f78, 0x7, 0x6, 0x10001}) shutdown(r0, 0x1) 2018/02/26 09:33:14 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) listen(r0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) flock(r0, 0x4) listen(r1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000fd1ff6)='net/tcp\x00') preadv(r2, &(0x7f0000906fa0)=[{&(0x7f0000040000)=""/136, 0x88}, {&(0x7f0000ddd000)=""/143, 0x8f}, {&(0x7f000032df3a)=""/198, 0xc6}], 0x3, 0x0) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x424a, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 2: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000000)) ioctl$PIO_UNIMAP(r0, 0x4b67, &(0x7f0000000040)={0x7, &(0x7f0000000000)=[{0x7ff, 0x5}, {0x101, 0x2e28e19c}, {0xffff, 0x7}, {0x2, 0xc015}, {0xffffffffffffff50, 0x4}, {0xfffffffffffffff9, 0x3a}, {0xfffffffffffffff7, 0xd5f}]}) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x28, 0x1, &(0x7f0000000080)=0x20, 0x8) r1 = syz_open_procfs(0x0, &(0x7f0000000180)="70726f6a69645f6d71700058bcc1d8cae05fd00b82c331f245cf90459558c80a8a573fdd63da000a844e380226d2a63667c736f5d70196d0700806eedb543c73e560d0168021f721201fbdc6432bf5817167ebbb96a7f5757794aa4a612a47f9684cd3119ffae28fb82ea25a177c6c01cac1a79e134fe12b2c4ffa10468b7da92e7f917f5113e02b4341122c04dd8b4f3cfba28c906d918dd840c17913df42091310") ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r1, 0xc0305302, &(0x7f0000000040)={0x80000001, 0x98, 0xd0, 0x9, 0x2, 0x6}) r2 = socket$packet(0x11, 0x2, 0x300) r3 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffc) r4 = request_key(&(0x7f0000000140)='syzkaller\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000001c0)='projid_map\x00', 0xfffffffffffffffa) keyctl$negate(0xd, r3, 0xfffffffffffffff7, r4) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000240)={0x0, 0x80000001}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000002c0)={r5, 0xff}, 0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000100)={0x0, @in={{0x2, 0x1, @multicast1=0xe0000001}}, [0x5, 0x2, 0x57189f9b, 0x1ff, 0x7, 0x1, 0x1ab, 0x3, 0x9, 0x6, 0x7, 0x5, 0x3, 0x7fffffff, 0x2]}, &(0x7f0000000240)=0x108) getsockopt$packet_int(r2, 0x107, 0x13, &(0x7f0000000300), &(0x7f0000004ffc)=0x729c7703) 2018/02/26 09:33:14 executing program 0: r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) fsync(r0) ioctl$TCXONC(r0, 0x540a, 0x1ff) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$EVIOCGMASK(r1, 0x80104592, &(0x7f0000000040)={0x5, 0x10, &(0x7f0000000000)="3b56990181e2d859d063cb76e7e55e5b"}) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getpid() sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0xfffffffffffffffc, 0xfffffffffffffffe, 0xfffffffffffffffe}, 0x4) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f00000000c0)={r2, 0x6b, "09051476dfbb88c56f94378f2f3fa2b9d983289d0e03a74fe8118e35c8cafdac2458967bbc6a8840a88e4cc53064acad8a30d977e1d8828d96c58f51193416472f21061ed3fb908084323dac49a5b75a1780c129c61f025ff7637866462933fda94df7f3ec3dae2c65f8ec"}, &(0x7f0000000140)=0x73) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x0, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 5: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f0000000080)={0x18, 0x0, {0x3, @empty, @common='gretap0\x00'}}) r1 = syz_open_procfs(0x0, &(0x7f00008f6ff9)='mounts\x00') poll(&(0x7f0000856ff0)=[{r1}], 0xbd, 0x9b) mount(&(0x7f0000adcff8)='./file0\x00', &(0x7f0000e08fff)='.', &(0x7f00005e9000)='cifs\x00', 0x2000, &(0x7f0000ad5000)) 2018/02/26 09:33:14 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000)=0x5, 0x4) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) r1 = dup(r0) r2 = getuid() ioctl$TUNSETOWNER(r1, 0x400454cc, &(0x7f0000000000)=r2) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x3, 0x0, 0x20000001000}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$sock_int(r0, 0x1, 0x2b, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_opts(r0, 0x0, 0x9, &(0x7f0000000040)="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", 0xff) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x0, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = open(&(0x7f0000000080)='./file0\x00', 0x401c0, 0x6) getsockopt$inet6_dccp_int(r1, 0x21, 0x1, &(0x7f00000000c0), &(0x7f0000000100)=0x4) socket$packet(0x11, 0x2, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x0, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 5: openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) r0 = openat$selinux_create(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/create\x00', 0x2, 0x0) write$selinux_create(r0, &(0x7f00000000c0)=@objname={'system_u:object_r:inetd_var_run_t:s0', 0x20, 'system_u:system_r:kernel_t:s0', 0x20, 0x33, 0x38, 0x20, './file0\x00'}, 0x4e) 2018/02/26 09:33:14 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f000024d000)={@common='lo\x00', &(0x7f000093e000)=@ethtool_eeprom={0x8}}) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='attr/prev\x00') accept4$unix(r1, &(0x7f0000000040)=@abs, &(0x7f0000000080)=0x8, 0x80800) 2018/02/26 09:33:14 executing program 2: mmap(&(0x7f0000000000/0x48000)=nil, 0x48000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x18000)=nil, 0x18000, 0x3, 0x32, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000000080), &(0x7f0000a25ffc), &(0x7f000039f000), &(0x7f0000000040)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x200, 0x0) ioctl$EVIOCGBITSW(r0, 0x80404525, &(0x7f0000000040)=""/28) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000080)=0x0) waitid(0x100001, r1, &(0x7f00000000c0), 0xa0000004, 0x0) ioctl$sock_ipx_SIOCAIPXPRISLT(r0, 0x89e1, &(0x7f00000000c0)=0x401) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@ipv4={[], [], @multicast1}, @in=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@rand_addr}}, &(0x7f0000000240)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000280)={{{@in=@loopback, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@mcast2}}, &(0x7f0000000380)=0xe8) ioctl$TCSBRK(r0, 0x5409, 0x6) sendmsg$nl_route(r0, &(0x7f0000000dc0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8012}, 0xc, &(0x7f0000000d80)={&(0x7f00000003c0)=ANY=[@ANYBLOB="880900001200000229bd7000fedbdf2500000000", @ANYRES32=r2, @ANYBLOB="808000000000000008001300", @ANYRES32=r1, @ANYBLOB="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", @ANYRES32=r3, @ANYBLOB="d00308007723414652d383e5c83eef5c897127967b2072716fff0300000000000000870000000000", @ANYRES32=r1, @ANYBLOB="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", @ANYRES32=r0, @ANYBLOB="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"], 0x988}, 0x1}, 0x8000) 2018/02/26 09:33:14 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000cd0fc8)={0x0, 0x0, &(0x7f0000ca6000)={&(0x7f0000e05000)=ANY=[@ANYBLOB="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"], 0xc0}, 0x1}, 0x0) socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000040)={0x0, 0x2b, 0x30, 0xe480, 0xbaf9}, &(0x7f0000000080)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f00000000c0)={r2, 0x1000, 0x7ff}, 0x8) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x0, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00000aa000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00003d8000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x4}, 0x20) r1 = dup(r0) setsockopt$inet_buf(r1, 0x0, 0x0, &(0x7f0000000000)="a0285b3ee795012ca0c882d0d40e688dc2136f3dd465aa386097c53fe55310bdcde4abaece5b562852a756e95fa7f97d621336b375dca4894542db3d", 0x3c) close(r0) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x202, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x20, &(0x7f0000000040)=[@in={0x2, 0x0, @multicast2=0xe0000002}, @in={0x2, 0x1, @multicast1=0xe0000001}]}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000100)={r2, 0x1000}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000100)={r2, @in6={{0xa, 0x0, 0x2, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x5}}, 0x2, 0x8000}, 0x98) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f00000001c0)=0x101, 0x4) 2018/02/26 09:33:14 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) ioctl$RNDZAPENTCNT(r2, 0x5204, &(0x7f0000000080)=0x6) 2018/02/26 09:33:14 executing program 5: capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f0000032fe8)) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f000019c000)="8c07006600", 0x5) r1 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)="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", 0x1000, 0xfffffffffffffffc) getresuid(&(0x7f0000001080), &(0x7f00000010c0), &(0x7f0000001100)=0x0) stat(&(0x7f0000001140)='./file0\x00', &(0x7f0000001180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r1, r2, r3) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x100000000000002, 0xbec9) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000000)=@common='eql\x00', 0x10) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r2 = memfd_create(&(0x7f0000000040)='eql\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x1) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000080)={0x0, @in6={{0xa, 0x1, 0x4, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x8a}}, 0x100000000, 0x4c18}, &(0x7f0000000140)=0x98) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000180)=r3, 0x4) ioctl$void(r0, 0x5451) r4 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x1) ioctl$PIO_FONT(r4, 0x4b61, &(0x7f0000000080)="abc7704c6c9510c3aa966d91ad8f02a88215ee9fba64916334dc09e4fd17f1306b6dfa4b4f99bcb69634b6d825c978e1f6e3f06eb97963a384f393e74d99a415846757e56096a4c438eae22081b994e651a219732e0e77ae3b87a1cb61d98c08b3eb84c44d6779ec451cf794ee9634ceb3fb35ba25526bce1176aede981503") getsockopt$inet_udp_int(r2, 0x11, 0x65, &(0x7f00000001c0), &(0x7f0000000200)=0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 0: r0 = socket$inet(0x2, 0xffffffffffffffff, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) signalfd(r0, &(0x7f0000000000)={0x9}, 0xfffffd99) r1 = socket$inet6(0xa, 0x807, 0x5) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000040)) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r3 = memfd_create(&(0x7f00000000c0)='/em0/\x00', 0x0) ioctl$sock_inet_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000080)={@generic="cdd5c0fa6a0d33ff7aa56720d93d49b1", @ifru_flags=0x1001}) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r3, 0x111, 0x1, 0x7fff, 0x4) getpeername$netrom(r3, &(0x7f0000000040)=@full, &(0x7f0000000100)=0x48) timerfd_gettime(r3, &(0x7f0000000140)) syncfs(r0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00000aa000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00003d8000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x4}, 0x20) r1 = dup(r0) setsockopt$inet_buf(r1, 0x0, 0x0, &(0x7f0000000000)="a0285b3ee795012ca0c882d0d40e688dc2136f3dd465aa386097c53fe55310bdcde4abaece5b562852a756e95fa7f97d621336b375dca4894542db3d", 0x3c) close(r0) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x0, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = dup(r1) ioctl$DRM_IOCTL_RM_MAP(r2, 0x4028641b, &(0x7f0000000040)={&(0x7f0000000000/0x1000)=nil, 0x3, 0x0, 0x80, &(0x7f0000ffd000/0x2000)=nil, 0x3}) 2018/02/26 09:33:14 executing program 6: pipe(&(0x7f00005e3000)={0xffffffffffffffff, 0xffffffffffffffff}) lstat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgid(r2) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x2, 0x4) vmsplice(r1, &(0x7f00005e48eb)=[{&(0x7f0000244f2f)='9', 0x1}], 0x1, 0x0) poll(&(0x7f00004d2000)=[{r0}], 0x1, 0x80000001) getsockopt$inet_sctp_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000000)={0x0, 0x961}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000080)={r3, 0x8, 0xf8, 0xffffffff, 0xf709, 0x8}, 0x14) writev(r1, &(0x7f00003f0fc0)=[{&(0x7f0000110fff)="1a", 0x1}], 0x1) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0xd026) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x1, 0x0, 0xfffffffffffffffa}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SIOCGIFHWADDR(r2, 0x8927, &(0x7f0000000080)={@syzn, @ifru_map}) 2018/02/26 09:33:14 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00000aa000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f00003d8000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x4}, 0x20) r1 = dup(r0) setsockopt$inet_buf(r1, 0x0, 0x0, &(0x7f0000000000)="a0285b3ee795012ca0c882d0d40e688dc2136f3dd465aa386097c53fe55310bdcde4abaece5b562852a756e95fa7f97d621336b375dca4894542db3d", 0x3c) close(r0) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x6, 0x300) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x40, 0x0) ioctl$KDSETLED(r2, 0x4b32, 0x401) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 2: pipe(&(0x7f000099c000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = epoll_create1(0x0) vmsplice(r0, &(0x7f0000f6dfe0)=[], 0x0, 0x0) fcntl$setpipe(r1, 0x407, 0x0) vmsplice(r1, &(0x7f00005d5ff2)=[{&(0x7f00005d5fff)=';', 0x1}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000000), &(0x7f0000000040)=0x4) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f000033c000)) read(r0, &(0x7f0000ebcf48)=""/184, 0xfffffda6) 2018/02/26 09:33:14 executing program 0: socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000002480)={0x0, 0x0}) writev(r0, &(0x7f0000003540)=[{&(0x7f00000024c0)="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", 0x1000}, {&(0x7f00000034c0)="04111150a89595b6b9c803c7ce7bf3df1d3bc2e15ca9", 0x16}, {&(0x7f0000003500)="031d18d719145853e998dd", 0xb}], 0x3) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 5: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x0, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) ioctl$RNDZAPENTCNT(r2, 0x5204, &(0x7f0000000080)=0x6) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0x0, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 6: socketpair$unix(0x1, 0x2000000000000001, 0x0, &(0x7f000087fff8)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000000)) ioctl$EVIOCGNAME(0xffffffffffffffff, 0x80404506, &(0x7f0000000040)=""/238) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f0000000140)={0x1, 0x7}) dup3(r1, r0, 0x0) recvmmsg(r1, &(0x7f0000f40000)=[{{&(0x7f0000ee8000)=@nfc_llcp, 0x60, &(0x7f0000d6c000)=[{&(0x7f00004dbfde)=""/34}], 0x0, &(0x7f0000f40000)=""/7, 0x7}}], 0x638, 0x0, &(0x7f0000f40ff0)={0x77359400}) 2018/02/26 09:33:14 executing program 2: r0 = add_key(&(0x7f0000000000)='syzkaller\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="be006e991592128153aa0be8302d44522348c3cd5ac15b2d9fb3d53b224cbb4175d1de7fdab781f827c5447ddc73e6883d31fa8186be2daa4f6972bcd80e217f3b0ddf40be68ff75438bc9c53132852165678546367f57849b446f63adee8db9527af8dfa60aaaf01b04c9ccc476e95a44574b1a7d51b86f52faf9897608c5cfd9960a8490f94197aa5dc8d635c0c8d2808500c417c061caac57f5a750959aa1c6e3d64da69ff43cb338b92a3a5e1b8cdd20cdc9d35974db0204b8b4c31804d013ef9f8a91f2b545b4f97714eaf8cf19750875cee61d21d057120ac83273a55697d0", 0xe2, 0xfffffffffffffffb) keyctl$revoke(0x3, r0) alarm(0xfffffffffffffffe) 2018/02/26 09:33:14 executing program 5: setsockopt$nfc_llcp_NFC_LLCP_MIUX(0xffffffffffffffff, 0x118, 0x1, &(0x7f0000000040)=0x1, 0x4) r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000040), &(0x7f0000000080)=0x4) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x3, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f00006dc000)=[{0x6, 0x0, 0x0, 0xa1}]}, 0x10) sendto$inet(r1, &(0x7f0000139000), 0x0, 0x200007ff, &(0x7f0000fe9000)={0x2, 0x3, @loopback=0x7f000001}, 0x10) sendto$inet(r1, &(0x7f00000000c0)="c3401c344654f3c7d9b41ba48c8e399aa4eedc3d6bd8ebd65c856a27d61154adc2b2a9763ae0201c0d32e11f38e9dd18c58f6bd779650fc30f93653bdaecf323c9f6502ceab47e58114347b289546465a5eb278de12b1989f64cc99412e36880d20c34d91051b22f6c8acc9d082b7bcdec844f667da0867d08d4154004997e317b79", 0x2c, 0x0, &(0x7f0000e66000)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0x0, 0xaa}}, 0x10) shutdown(r1, 0x2) sendto$inet(r1, &(0x7f00005c8000), 0x0, 0x0, &(0x7f0000cd9000)={0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, 0x10) recvmsg(r1, &(0x7f000011c000)={&(0x7f0000730000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}, 0x3a, &(0x7f0000d76000)=[{&(0x7f0000a06000)=""/179, 0xb3}], 0x1, &(0x7f0000bac000)=""/72, 0x48}, 0x40000100) ioctl$sock_inet_SIOCGARP(r2, 0x8954, &(0x7f0000000180)={{0x2, 0x1, @dev={0xac, 0x14, 0x0, 0x17}}, {0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x13}}, 0x10, {0x2, 0x3, @dev={0xac, 0x14, 0x0, 0xc}}, @generic="0299b631b8eb023f7da2cc8ab2d153f8"}) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000080)=0x2, 0xffffffffffffffdb) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000ff4ff0)=ANY=[@ANYBLOB="0900000016310000"], 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000fe2000)={@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x0, 0x0, 0x20000000002, 0x1}, 0x20) close(r0) 2018/02/26 09:33:14 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4, 0x8000}, 0x4) getsockopt$inet_opts(r0, 0x0, 0x9, &(0x7f00000000c0)=""/156, &(0x7f0000000180)=0x9c) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) pipe(&(0x7f00000001c0)={0x0, 0x0}) accept4$llc(r2, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000240)=0x10, 0x80000) 2018/02/26 09:33:14 executing program 2: timer_create(0x7, &(0x7f00000000c0)={0x0, 0x11, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000140)) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$inet_dccp_buf(r0, 0x21, 0xc0, &(0x7f0000000180)="62c2067542234d10389be4de0695e86fee122b87b7263ff2de6e4d0a0c458ece358a42b95d4c425b90632f57dea2e3f50b9e0b391574cc5fbc81b733d99c63a776a1723e02c617f3163cced7fda0580e9dd491a31cb83938ebcaaf89bc78b4f6e804c72ca6ca51d61306727bfa471c56a960ada130a22cfdb2cb1c978d357892e6f4f80163d009aca2a96bbd5c9278ded9da637990e4a361da29316e503684ad4b9e1c9da1557d5d96bae5efbaf331b9e863c0e9dafb573fd7cc0b970cd5ef8732c1", 0xc2) timer_create(0x7, &(0x7f0000000280)={0x0, 0x34, 0x6, @thr={&(0x7f00000001c0)="348174192333427752cc414bc336b0480f0f844bf572b5b1b87ac37648190b038fe1045d9d7a16ec342ca16082eb60721e1409937fc4e52715975fa89b317a", &(0x7f0000000200)="7b451700a0a6d568c8ba4c650ce8d69dc2e7b13515ead088fa451cea6baca62e30d728298889042da27e08832aff01b18d66f390ce01f57e960c2d766752a86bd6"}}, &(0x7f0000000300)) timer_create(0x7, &(0x7f0000000340)={0x0, 0x28, 0x0, @tid=0xffffffffffffffff}, &(0x7f00000003c0)) timer_create(0x7, &(0x7f0000000400)={0x0, 0x15, 0x1, @tid}, &(0x7f0000000480)=0x0) timer_gettime(r1, &(0x7f00000004c0)={{0x0, 0x0}}) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000007000)={{0x0, r2}, {0x0, 0x5}}, &(0x7f0000256000)) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r3, 0x84, 0x74, &(0x7f0000000040)=""/120, &(0x7f0000000180)=0x78) 2018/02/26 09:33:14 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x3) pipe2(&(0x7f0000000000)={0x0}, 0x4800) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000000040)={0x8, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x401}}}, 0x88) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) socket$inet(0x2, 0x1, 0x0) r3 = syz_open_dev$tun(&(0x7f0000466000)='/dev/net/tun\x00', 0x0, 0x6) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000d89000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f000062ffe0)={@common='tunl0\x00', @ifru_flags=0x4000}) write$tun(r3, &(0x7f000074e7f2)=@hdr={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x24, 0xffffffffffffffff, 0x0, 0x0, 0x84, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, {[]}}, @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b, 0x0, 0x0, []}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, []}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, []}}}}, 0x2e) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x880, 0x0) ioctl$TIOCSCTTY(r2, 0x540e, 0x8) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0x0, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:14 executing program 5: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) timer_create(0x0, &(0x7f0000011000)={0x0, 0x0, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000004000)) timer_gettime(0x0, &(0x7f0000000000)) 2018/02/26 09:33:14 executing program 6: keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a, 0x3}) r0 = getgid() r1 = getegid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0, 0x0}, &(0x7f0000000080)=0xc) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() lstat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgroups(0x6, &(0x7f0000000240)=[r0, r1, r2, r3, r4, r5]) mq_unlink(&(0x7f0000000280)='em1^ppp0[]#em0\x00') socketpair$inet6(0xa, 0x800, 0x8001, &(0x7f00000002c0)={0x0, 0x0}) ioctl$sock_inet6_tcp_SIOCINQ(r6, 0x541b, &(0x7f0000000300)) r7 = memfd_create(&(0x7f0000000340)='em1^ppp0[]#em0\x00', 0x1) setsockopt$inet_MCAST_JOIN_GROUP(r7, 0x0, 0x2a, &(0x7f0000000380)={0x304e, {{0x2, 0x1, @rand_addr=0xffffffffffffff81}}}, 0x90) delete_module(&(0x7f0000000440)='em1^ppp0[]#em0\x00', 0x200) seccomp(0x1, 0x0, &(0x7f00000004c0)={0x3, &(0x7f0000000480)=[{0x5, 0x382ca074, 0x1, 0x384c7154}, {0x8001, 0x1, 0x10001, 0x2}, {0x3f, 0x4, 0x85a, 0x2d}]}) r8 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000500)='/dev/sequencer2\x00', 0x40000, 0x0) setsockopt$inet_mtu(r8, 0x0, 0xa, &(0x7f0000000540)=0x4, 0x4) setsockopt$sock_int(r6, 0x1, 0x3f, &(0x7f0000000580)=0x2, 0x4) sendfile(r7, r6, &(0x7f00000005c0), 0x8000) ioctl$sock_inet_tcp_SIOCINQ(r8, 0x541b, &(0x7f0000000600)) setsockopt$inet_tcp_int(r7, 0x6, 0x14, &(0x7f0000000640), 0x4) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x66, &(0x7f0000000680)={0x0, 0x3a}, &(0x7f00000006c0)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r8, 0x84, 0x0, &(0x7f0000000700)={r9, 0x1, 0x7, 0x5}, 0x10) fcntl$F_GET_FILE_RW_HINT(r6, 0x40d, &(0x7f0000000740)) syz_open_dev$sndseq(&(0x7f0000000780)='/dev/snd/seq\x00', 0x0, 0x88501) prctl$getname(0x10, &(0x7f00000007c0)=""/8) getsockopt$inet_udp_int(r7, 0x11, 0x66, &(0x7f0000000800), &(0x7f0000000840)=0x4) set_tid_address(&(0x7f0000000880)) connect$netlink(r7, &(0x7f00000008c0)=@kern={0x10, 0x0, 0x0, 0x4}, 0xc) ioctl$BINDER_THREAD_EXIT(r7, 0x40046208, 0x0) 2018/02/26 09:33:14 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0x1, 0x0) r2 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000040)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x400}) ioctl$DRM_IOCTL_GET_STATS(r1, 0x80f86406, &(0x7f0000000000)=""/15) ioctl$TUNSETTXFILTER(r2, 0x400454d1, &(0x7f0000000000)=ANY=[@ANYBLOB="00000100ffffffffffffb28231b198eea57fd294a5ee49817727e8e9c9373bdfbf03b4113afb80c198a74ccdfc9a31bf2478d7d9c94a43c649538dc8e9417fa04fda6de86f293d24"]) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) sendto$inet(r0, &(0x7f00009e9000), 0x0, 0x20000040, &(0x7f0000d17000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:14 executing program 6: keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a, 0x3}) r0 = getgid() r1 = getegid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0, 0x0}, &(0x7f0000000080)=0xc) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() lstat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setgroups(0x6, &(0x7f0000000240)=[r0, r1, r2, r3, r4, r5]) mq_unlink(&(0x7f0000000280)='em1^ppp0[]#em0\x00') socketpair$inet6(0xa, 0x800, 0x8001, &(0x7f00000002c0)={0x0, 0x0}) ioctl$sock_inet6_tcp_SIOCINQ(r6, 0x541b, &(0x7f0000000300)) r7 = memfd_create(&(0x7f0000000340)='em1^ppp0[]#em0\x00', 0x1) setsockopt$inet_MCAST_JOIN_GROUP(r7, 0x0, 0x2a, &(0x7f0000000380)={0x304e, {{0x2, 0x1, @rand_addr=0xffffffffffffff81}}}, 0x90) delete_module(&(0x7f0000000440)='em1^ppp0[]#em0\x00', 0x200) seccomp(0x1, 0x0, &(0x7f00000004c0)={0x3, &(0x7f0000000480)=[{0x5, 0x382ca074, 0x1, 0x384c7154}, {0x8001, 0x1, 0x10001, 0x2}, {0x3f, 0x4, 0x85a, 0x2d}]}) r8 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000500)='/dev/sequencer2\x00', 0x40000, 0x0) setsockopt$inet_mtu(r8, 0x0, 0xa, &(0x7f0000000540)=0x4, 0x4) setsockopt$sock_int(r6, 0x1, 0x3f, &(0x7f0000000580)=0x2, 0x4) sendfile(r7, r6, &(0x7f00000005c0), 0x8000) ioctl$sock_inet_tcp_SIOCINQ(r8, 0x541b, &(0x7f0000000600)) setsockopt$inet_tcp_int(r7, 0x6, 0x14, &(0x7f0000000640), 0x4) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x66, &(0x7f0000000680)={0x0, 0x3a}, &(0x7f00000006c0)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r8, 0x84, 0x0, &(0x7f0000000700)={r9, 0x1, 0x7, 0x5}, 0x10) fcntl$F_GET_FILE_RW_HINT(r6, 0x40d, &(0x7f0000000740)) syz_open_dev$sndseq(&(0x7f0000000780)='/dev/snd/seq\x00', 0x0, 0x88501) prctl$getname(0x10, &(0x7f00000007c0)=""/8) getsockopt$inet_udp_int(r7, 0x11, 0x66, &(0x7f0000000800), &(0x7f0000000840)=0x4) set_tid_address(&(0x7f0000000880)) connect$netlink(r7, &(0x7f00000008c0)=@kern={0x10, 0x0, 0x0, 0x4}, 0xc) ioctl$BINDER_THREAD_EXIT(r7, 0x40046208, 0x0) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x80803, 0x4) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000040)="4c1085e18538e909519e629d257922a1ed9dba77345f64688454ed60214f4437c0ce9a1d5a8687927caf783e01b330193af5ccbec56e15dbe648db85df542146ec3dd411d6727030b7700871bfdbdf2346dade8d6850aef7a20d3cc1362b8705c875a781866ce6182a8bfcc3b87ef1b18437220e474a6f9319bea47eb2d899a9782b32993d8fe87a9d590d0f28669059e8457dd56a", 0x95, 0x4000000, &(0x7f0000000100)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) 2018/02/26 09:33:14 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats\x00', 0x0, 0x0) getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000000080)=""/133, &(0x7f0000000140)=0x85) 2018/02/26 09:33:14 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/ptype\x00') getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f00000000c0)={0x0, @multicast1, @empty}, &(0x7f0000000100)=0xc) sendto$packet(r1, &(0x7f0000000040)="c7e624f43e4760edfd7149ac5d6219b282fdd2ef727aeeb3b96f15e9de5689bd867549a3b1398ce41de4c4ffb50940ddd37c9f5cbd17583e41f58caefd8faa41a2c9774149d16bc89e04b9e762e964ff8ba3b4417dc7bd9128c033766d296b4b9263892f56428366297287e63ff2791fdde049a5", 0x74, 0x0, &(0x7f0000000140)={0x11, 0x9, r2, 0x1, 0x8, 0x6, @empty}, 0x14) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2000, 0x1) ioctl$EVIOCGSND(r3, 0x8040451a, &(0x7f0000000040)=""/12) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000000)={{{@in6=@mcast2, @in=@remote}}, {{@in6=@loopback}, 0x0, @in6=@mcast1}}, &(0x7f0000000100)=0xe8) r4 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:14 executing program 5: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x40, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000040)=""/105) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) syz_open_procfs(0x0, &(0x7f0000000380)="636c643659545d6cf02c03") writev(r1, &(0x7f0000001340)=[{&(0x7f0000000080)='6', 0x1}, {&(0x7f00000011c0)}], 0x2) 2018/02/26 09:33:14 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000788ffc)=0x100000001, 0xfffffffffffffd36) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x400000, 0x44) r2 = getpgrp(0xffffffffffffffff) ptrace(0x4208, r2) getsockopt$inet_udp_int(r1, 0x11, 0x67, &(0x7f0000000040), &(0x7f0000000080)=0x4) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000000c0)={0x0, 0x6f, 0x0, []}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_id=r3, &(0x7f0000000180)=0x4) sendto$inet(r1, &(0x7f0000000140)='\b', 0x1, 0x1ffffffe, &(0x7f0000385ff0)={0x2, 0x3, @rand_addr=0x7}, 0xffffffffffffff2f) sendmsg$nl_generic(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="c00000000171ff89000000370d95fd251300000078e3fe91081975c851199256a1ab2c481b11761a4e89d19798c54a3b0f9a792e493e119cd49abf7438c3b1997a677a73965b82b135a057e731cb2b10584da29ef788637d5daa66bfa088501073032e828f7c918edda468a7d6f6ab64e765ab0e07bd9ebfefcf37fb3e3e7d83b0bcbb2f44be897f9c68d5b04fa25d49a157711b6f4437279a23a22c977a715f51865182502b2a3592affdbd18d382415e1a99769c1600bfd709f68d6b444993bc17585378a9c7669b5ec16c84e6a39e401b669ee74f38890e1984c9706a2e9c60c5d2d811b231a87122e526b6b10000"], 0xc0}, 0x1}, 0x0) close(r0) [ 104.215992] net_ratelimit: 256 callbacks suppressed [ 104.216000] IPv4: Oversized IP packet from 127.0.0.1 [ 104.226419] IPv4: Oversized IP packet from 127.0.0.1 [ 104.241172] IPv4: Oversized IP packet from 127.0.0.1 2018/02/26 09:33:14 executing program 6: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x40000902, 0x0) fdatasync(r0) r1 = memfd_create(&(0x7f000003affa)="706f73fb00000000000000566f6573737b0000", 0x0) pwrite64(r1, &(0x7f00000021c0)="af9988744aaf8c5f7c5bca72d95a6bad3fe502d8f2f73f60199aabf2e4bda131641b8f36a00d5b96ecb20660566f571a851dd77def74443627c12bd9050eaa238c1b8146f87f2b4186d094c4d147825d458cb9e49f072423692da42e81c1a8d986ced676687207612c485de8cb590a06c92ad1d2e74c0e427240e54d0300000000000000943010b682d005e502bf936ffdf45da9", 0x94, 0x0) sendfile(r0, r1, &(0x7f0000000040), 0xffc) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)=@generic="830dae5f5c6ee7f4e4fc9110fbce73b1", 0x10) 2018/02/26 09:33:14 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0xe41, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f0000000080)=0x2) ioctl$EVIOCSABS20(r2, 0x401845e0, &(0x7f00000000c0)={0xea4, 0x1, 0x3ff, 0x20, 0x0, 0x52f}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000100)={@remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x81, 0x2, 0x3, 0x0, 0x9, 0x1, 0x3ff}, 0x20) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@dev, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in6=@local}}, &(0x7f00000001c0)=0xe8) connect$packet(r2, &(0x7f0000000200)={0x11, 0x80a43ddbd8444a52, r3, 0x1, 0x2, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}}, 0x14) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000240), &(0x7f0000000280)=0x14) 2018/02/26 09:33:14 executing program 5: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x40, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000040)=""/105) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) syz_open_procfs(0x0, &(0x7f0000000380)="636c643659545d6cf02c03") writev(r1, &(0x7f0000001340)=[{&(0x7f0000000080)='6', 0x1}, {&(0x7f00000011c0)}], 0x2) [ 104.248761] audit: type=1400 audit(1519637594.782:48): avc: denied { net_raw } for pid=24965 comm="syz-executor4" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.251500] audit: type=1400 audit(1519637594.782:49): avc: denied { net_admin } for pid=3878 comm="syz-executor6" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.274496] audit: type=1400 audit(1519637594.802:50): avc: denied { dac_override } for pid=24968 comm="syz-executor5" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.281436] audit: type=1400 audit(1519637594.812:51): avc: denied { net_admin } for pid=3872 comm="syz-executor7" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.285843] audit: type=1400 audit(1519637594.812:52): avc: denied { net_raw } for pid=24964 comm="syz-executor0" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.289971] IPv4: Oversized IP packet from 127.0.0.1 [ 104.297920] IPv4: Oversized IP packet from 127.0.0.1 [ 104.303387] audit: type=1400 audit(1519637594.832:53): avc: denied { dac_override } for pid=24988 comm="syz-executor5" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.307733] IPv4: Oversized IP packet from 127.0.0.1 [ 104.315257] audit: type=1400 audit(1519637594.842:54): avc: denied { net_raw } for pid=24965 comm="syz-executor4" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.316838] IPv4: Oversized IP packet from 127.0.0.1 [ 104.316902] IPv4: Oversized IP packet from 127.0.0.1 [ 104.317273] IPv4: Oversized IP packet from 127.0.0.1 [ 104.321099] audit: type=1400 audit(1519637594.852:55): avc: denied { sys_admin } for pid=3880 comm="syz-executor1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 104.327902] audit: type=1400 audit(1519637594.862:56): avc: denied { net_admin } for pid=3875 comm="syz-executor5" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 2018/02/26 09:33:15 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f000012e000)={0x2, 0x3, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000f07000)=[{0x6, 0x0, 0x0, 0x9}]}, 0x10) connect$inet(r0, &(0x7f0000987000)={0x2, 0x3, @empty}, 0x10) syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x103841) sendmmsg(r0, &(0x7f00000019c0)=[{{0x0, 0x0, &(0x7f0000001300)=[{&(0x7f00000011c0)="df", 0x1}], 0x1, &(0x7f0000001380)=[]}}], 0x1, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000080)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000040)='attr/current\x00') getsockopt$netrom_NETROM_N2(r2, 0x103, 0x3, &(0x7f0000000080)=0x1, &(0x7f00000000c0)=0x4) 2018/02/26 09:33:15 executing program 7: r0 = socket$inet(0x2, 0x3, 0x1175) r1 = dup3(r0, r0, 0x80000) ioctl$sock_netrom_SIOCADDRT(r1, 0x890b, &(0x7f0000000000)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) getsockopt$inet_sctp_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0xb) ioctl$TUNGETIFF(r1, 0x800454d2, &(0x7f00000000c0)=0x101) sendto$inet(r1, &(0x7f0000865000), 0x0, 0x3, &(0x7f0000fd9ff0)={0x2, 0x0, @multicast2=0xe0000002}, 0x10) 2018/02/26 09:33:15 executing program 6: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) socket$pptp(0x18, 0x1, 0x2) sendmsg$nl_xfrm(r0, &(0x7f000014f000)={&(0x7f000000f000)={0x10}, 0xc, &(0x7f0000847000)={&(0x7f0000d5ef9c)=@getae={0x4c, 0x1f, 0xd0d, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@loopback=0x7f000001}, @in6=@dev={0xfe, 0x80}}, [@mark={0xc, 0x15}]}, 0x4c}, 0x1}, 0x0) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000000)=0x6, 0x4) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000040)={0x0, 0x0, 0xfffffffffffffffe}, 0xfffffffffffffecb) getsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x94d, 0x4, 0x8001}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r2}, &(0x7f0000000100)=0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x29c201, 0x0) epoll_pwait(r3, &(0x7f0000000180)=[{}], 0x1, 0xfffffffffffffffe, &(0x7f00000001c0), 0x83) fcntl$setstatus(r1, 0x4, 0x0) setsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000040)={0x2, 0x8}, 0x8) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000000240)={{{@in=@empty, @in=@rand_addr, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@ipv4={[], [], @rand_addr}}}, &(0x7f0000000200)=0xfffffffffffffead) dup2(r0, r3) bind(r0, &(0x7f0000000340)=@llc={0x1a, 0x1c, 0x1, 0x6, 0x7, 0x97e, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x10) lstat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0}) setreuid(r4, r5) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) socketpair(0x9, 0x5, 0x54e, &(0x7f0000000000)={0x0, 0x0}) sendmsg$nl_netfilter(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x804000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa4, 0xa, 0x3, 0x200, 0x4, 0x0, {0x2, 0x0, 0x8}, [@generic="72d25a58d5af59f2f7ae1793ebdc66da659bcc94d2bb672426c174f588ae1280e68d8a32c4f215201d0b7e7e2470a02e05a97ec2a0871642c82d97382a5765fbc04ae2cce69f4ed31c95c1646dd97a368eb6365d43dcf1f8fb6978b96a291bbaa45b0fa00e1820be9cc75b23864eedbe2031926f8695fe14e77dddc4e5645fb8148a4f88390a84c914c5908930602928"]}, 0xa4}, 0x1, 0x0, 0x0, 0x40001}, 0x4004) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) open(&(0x7f0000000040)='./file0\x00', 0x10000, 0x100) r3 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) ioctl$RNDGETENTCNT(r3, 0x80045200, &(0x7f0000000080)) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x200000, 0x0) epoll_pwait(r4, &(0x7f0000000080)=[{}, {}, {}, {}, {}, {}, {}], 0x7, 0x9b, &(0x7f0000000100)={0x5}, 0x8) sendto$inet(r0, &(0x7f0000000080)="b6d06dacd7d05454fdf04575c52ae217bb7a718baf5003242532604b7865680d6ed3313df1458708e282e4ed146cabd46c187761862332e242", 0x39, 0x8000, &(0x7f0000fd9ff0)={0x2, 0x0, @dev={0xac, 0x14, 0x0, 0x15}}, 0x10) 2018/02/26 09:33:15 executing program 5: r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r1 = dup3(r0, r0, 0x80000) symlinkat(&(0x7f0000000040)='./file0\x00', r1, &(0x7f0000000080)='./file0\x00') ioctl$BINDER_SET_MAX_THREADS(r0, 0xc0189436, 0x4) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0x0, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x101000, 0x0) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000040)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$sock_inet_SIOCGIFADDR(r2, 0x8915, &(0x7f0000000040)={@common='ip6gretap0\x00', @ifru_addrs={0x2, 0x3, @multicast1=0xe0000001}}) 2018/02/26 09:33:15 executing program 5: select(0x40, &(0x7f0000000fc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x40000}, &(0x7f0000096000), &(0x7f0000e42fc0), &(0x7f0000000000)) r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) ioctl$DRM_IOCTL_FREE_BUFS(r0, 0x4010641a, &(0x7f0000000080)={0x3, &(0x7f0000000040)=[0x3f, 0x2, 0x2]}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x101000, 0x0) stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)) 2018/02/26 09:33:15 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f000012e000)={0x2, 0x3, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000f07000)=[{0x6, 0x0, 0x0, 0x9}]}, 0x10) connect$inet(r0, &(0x7f0000987000)={0x2, 0x3, @empty}, 0x10) syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x103841) sendmmsg(r0, &(0x7f00000019c0)=[{{0x0, 0x0, &(0x7f0000001300)=[{&(0x7f00000011c0)="df", 0x1}], 0x1, &(0x7f0000001380)=[]}}], 0x1, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000080)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000040)='attr/current\x00') getsockopt$netrom_NETROM_N2(r2, 0x103, 0x3, &(0x7f0000000080)=0x1, &(0x7f00000000c0)=0x4) 2018/02/26 09:33:15 executing program 6: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x200000, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r0, 0xc0bc5351, &(0x7f0000000040)={0x4, 0x2, 'client0\x00', 0x4, "35bf12a4c7f1e8dc", "b33ba559360f1a327b215114f4be7d416687d49457bd32ed1d65fb95d21f09bf", 0x5, 0x6}) r1 = socket(0xc, 0x8002, 0x200000) getsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000100), &(0x7f0000000100)=0x4) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000180)) sendmsg$nl_route(r1, &(0x7f0000504000)={&(0x7f0000ba2ff4)={0x10}, 0xc, &(0x7f0000434ff0)={&(0x7f0000980fa8)=@newlink={0x40, 0x10, 0x9, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@IFLA_IFNAME={0x14, 0x3, @syzn={0x73, 0x79, 0x7a, 0x0}}, @IFLA_VFINFO_LIST={0xc, 0x16, [{0x8, 0x1, [@nested={0x4, 0x4, []}]}]}]}, 0x40}, 0x1}, 0x0) 2018/02/26 09:33:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_ifreq(r0, 0x89bf, &(0x7f0000000000)={@generic="4777e462d5ee1db535282fa284a7103e", @ifru_flags=0x1500}) mkdir(&(0x7f00001a3000)='./file0\x00', 0x0) mount(&(0x7f0000c6bff8)='./file0\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='tmpfs\x00', 0x0, &(0x7f000002f000)) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f000001bfc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f0000028ff0)={&(0x7f0000005000)=@ipv4_newroute={0x24, 0x18, 0x21, 0xffffffffffffffff, 0xffffffffffffffff, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, [@RTA_GATEWAY={0x8, 0x5, @dev={0xac, 0x14, 0x0, 0x15}}]}, 0x24}, 0x1}, 0x0) pipe2(&(0x7f0000000080)={0x0, 0x0}, 0x80000) ioctl$PIO_UNIMAPCLR(r2, 0x4b68, &(0x7f00000000c0)={0x6, 0x8001, 0x40}) pivot_root(&(0x7f0000000440)='./file0\x00', &(0x7f0000000080)='./file0\x00') 2018/02/26 09:33:15 executing program 6: r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x100000000, 0x20100) ioctl$EVIOCSKEYCODE(r1, 0x40084504, &(0x7f0000000040)=[0x5, 0x4bd]) r2 = syz_open_dev$tun(&(0x7f0000466000)='/dev/net/tun\x00', 0x0, 0x6) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000d89000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@generic="4d2c7ce0905fa9887e57632a227c2828", @ifru_flags=0x301}) ioctl$SIOCSIFHWADDR(r2, 0x8924, &(0x7f0000000000)={@generic="9cf280af1b39ef0e7102b1a31f2fb805", @ifru_map={0x2, 0x9, 0xfff, 0x4, 0x5, 0x1}}) openat$keychord(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord\x00', 0x200000, 0x0) write$tun(r2, &(0x7f0000000000)=ANY=[@ANYBLOB="000010000000000800ff000100240000000000840000ac1400bbac1400bb0100880b0000000000000800000086ddf28921084a9882f662bac8e8bab21d35eff812b4a6afaf1883365d4d7abde57f45654fc0e36c3b5e58a83419e53333e054c359e9d48ea0c22a57ee5aad0034ed74337ba241b8f77b9f181ec091305b5c64909e10e2aedc87a2574c025c5ba4f71a721efd319b3cbde507b54d4287af89ea1fac"], 0x2e) 2018/02/26 09:33:15 executing program 5: r0 = openat$selinux_validatetrans(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/validatetrans\x00', 0x1, 0x0) mmap(&(0x7f0000000000/0xd99000)=nil, 0xd99000, 0x4, 0x32, r0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000938000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000fd5fd8)={@common='lo\x00', &(0x7f0000000000)=@ethtool_ringparam={0x10, 0x2, 0x8001, 0x3, 0x1, 0x20, 0x20, 0x5}}) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x0, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) [ 104.704096] IPv4: Oversized IP packet from 127.0.0.1 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 2: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x9, 0x200) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) r2 = socket$inet6(0xa, 0x7ff, 0x0) setsockopt$inet6_buf(r2, 0x29, 0xd2, &(0x7f0000621000), 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='ns/pid\x00') getsockopt$netrom_NETROM_N2(r3, 0x103, 0x3, &(0x7f0000000040)=0x3, &(0x7f0000000080)=0x4) 2018/02/26 09:33:15 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) set_tid_address(&(0x7f0000000000)) getsockopt$packet_int(r0, 0x107, 0x14, &(0x7f0000001ffc), &(0x7f0000001000)) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x4, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = dup2(r0, r0) ioctl$sock_netrom_SIOCGSTAMP(r2, 0x8906, &(0x7f0000000000)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x101000, 0x0) getpeername$netrom(r1, &(0x7f0000000040)=@ax25, &(0x7f0000000080)=0x10) r2 = socket$packet(0x11, 0x0, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000000140)="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", 0xfffffffffffffeb2, 0x4, &(0x7f0000fd9ff0)={0x2, 0x1, @multicast2=0xe0000002}, 0x10) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = pkey_alloc(0x0, 0x3) pkey_free(r1) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000040), &(0x7f0000000080)=0x14) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x0, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 6: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f0000f3bffc), 0x4) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000154ff0)={0x0, 0x2710}, 0x10) sendmmsg$unix(r0, &(0x7f00000bd000)=[], 0x80, 0x0) 2018/02/26 09:33:15 executing program 6: setpgid(0x0, 0x0) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x40200, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000040)={0x0, @in={{0x2, 0x0, @multicast1=0xe0000001}}, 0x10000, 0xffffffffffffffff, 0x10000, 0x4e, 0x20}, &(0x7f0000000100)=0xa0) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000140)={r1, @in6={{0xa, 0x3, 0x4, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x5}}}, 0x8c) mq_open(&(0x7f0000000000)='\x00', 0xc2, 0x80, &(0x7f0000000040)={0xfffffffffffffffa, 0xfff, 0x7, 0x4, 0xa34, 0x1, 0x92, 0x4}) openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000380)='/selinux/policy\x00', 0x0, 0x0) r2 = socket$pptp(0x18, 0x1, 0x2) r3 = fcntl$getown(r2, 0x9) sched_setparam(r3, &(0x7f0000000080)=0x1) 2018/02/26 09:33:15 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x20000000000, 0x0) r1 = open(&(0x7f0000000040)='./file0\x00', 0xc00, 0x60) ioctl$KDGKBENT(r1, 0x4b46, &(0x7f0000000080)={0x38, 0x7ff, 0x3}) ioctl$EVIOCGKEYCODE(r0, 0x80084504, &(0x7f0000000000)=""/69) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x3, 0x2, @dev={0xfe, 0x80, [], 0x0, 0x13}, 0xffffffff}}, 0x1, 0x1943, 0x5, 0x8, 0x200}, &(0x7f0000000180)=0xa0) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r3, 0x3}, 0x8) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x800) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000040)=[{0x8, 0x3}, {0xe, 0x3}, {0x0, 0x7}, {0x3, 0x2}], 0x4) r3 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000000)) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_NODELAY(r2, 0x84, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r4 = dup2(r3, r2) ioctl$LOOP_SET_FD(r4, 0x4c00, r1) 2018/02/26 09:33:15 executing program 7: get_robust_list(0x0, &(0x7f00000000c0)=&(0x7f0000000080), &(0x7f0000000100)=0x18) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x4, 0x7ffffffc) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x20040, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x0, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) syncfs(r0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000000)={0x0, 0x1000, "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"}, &(0x7f0000001040)=0x1008) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000001080)='/selinux/mls\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f00000010c0)={r1, @in6={{0xa, 0x3, 0xfffffffffffffffa, @mcast2={0xff, 0x2, [], 0x1}, 0xfffffffffffffff9}}, 0x101, 0x3ff, 0x7, 0x5}, &(0x7f0000001180)=0xa0) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000001080)={r1, 0x5, 0xff, 0x9}, &(0x7f00000010c0)=0x10) setsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000001240)=0x5, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000011c0)={r3, @in={{0x2, 0x1, @rand_addr=0xfffffffffffffffd}}, 0x6c2, 0x13c}, &(0x7f0000001280)=0x98) r4 = socket$packet(0x11, 0x200000002, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000001100)="9472ba50fe7097c0ee9c335392e84750f39bfe4ea18f08d35bf0cf561e52000000082605e4a52eeb5fc0b60a0033e8a0570425a3493c3dacdff263736cfe55f18e89b4ecdff44d2795a9e40f04581c177dfc9296bcfb72bd315a3e4c0764f49ed4011904a00677ac2045d3db14669d75c4a24b24805a2730e6f0c2d0a7700390de918f2f81ff55f34d96c2186cf7be02afc7891b0300af599f1e3278c955862f56f0f30d013d116e1d894535738eabee23e048f022a56e9744df52", 0xbb, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:15 executing program 6: open(&(0x7f0000000000)='./file0\x00', 0x0, 0x80) futex(&(0x7f0000000080), 0xc, 0x0, &(0x7f00000000c0), &(0x7f0000000000), 0x0) 2018/02/26 09:33:15 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000548000)=0x1, 0x4) setsockopt$inet6_buf(r0, 0x29, 0x3e, &(0x7f00002cef88)="5780d01c", 0x4) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000100)={0x2, [0x7fffffff, 0x9]}, &(0x7f0000000140)=0x8) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x5ad, 0x0, &(0x7f0000c04fe4)={0xa, 0x2, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000000)=0x41a, 0x4) recvfrom$inet6(r0, &(0x7f0000a2ffbd)=""/67, 0x43, 0x2022, &(0x7f0000000000)={0xa, 0xffffffffffffffff, 0x0, @empty}, 0x14) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x0, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 5: rmdir(&(0x7f0000000000)='./file0\x00') r0 = socket$inet(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000040)={{0x2, 0xffffffffffffffff, @loopback=0x7f000001}, {0x0, @empty}, 0x0, {0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, @common='ifb0\x00'}) 2018/02/26 09:33:15 executing program 5: socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0xffffffffffffffff, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x2, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c, &(0x7f0000000680)=[], 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB="100008000000000000000000000000281ec40055408ff087f2e6f822692f379cf38a1efd706abc8c452aef39c193793707ccd748b91460699b08ad78452a958616433044e43a417ee788b4664aaab3f7254520f9c4778470ba2146"], 0x10}}], 0x2, 0x0) 2018/02/26 09:33:15 executing program 6: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x80000) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000012000)={&(0x7f0000012000/0x2000)=nil, 0x2000}) timer_create(0x0, &(0x7f0000013000)={0x0, 0x0, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000001ffc)) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000004000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r2, 0xc058534b, &(0x7f0000000040)={0x3f, 0x20, 0x7, 0x9, 0x7fff, 0xffffffff}) getsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f00000000c0)=@assoc_id=0x0, &(0x7f0000000100)=0x4) setsockopt$inet_sctp_SCTP_AUTH_KEY(r2, 0x84, 0x17, &(0x7f0000000140)={r3, 0x3, 0xfa, "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"}, 0x102) sendto$inet6(r1, &(0x7f00002a0b14), 0x0, 0x200408d4, &(0x7f000072e000)={0xa, 0x2, 0x0, @loopback={0x0, 0x1}}, 0x1c) fcntl$dupfd(r1, 0x0, r1) r4 = socket(0x18, 0x0, 0x4) connect(r4, &(0x7f0000c81ff2)=ANY=[@ANYBLOB="1f00000000001000000000000000"], 0xe) socketpair$ax25(0x3, 0x3, 0x0, &(0x7f0000000000)) 2018/02/26 09:33:15 executing program 5: r0 = socket$inet(0x2, 0x8, 0x0) setsockopt$sock_int(r0, 0x1, 0xa, &(0x7f0000cd4ffc)=0xddd, 0x4) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000334000)) 2018/02/26 09:33:15 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f00000000c0), 0x0, 0x0, &(0x7f0000000100)={0x2, 0x0, @rand_addr}, 0x10) socketpair(0xf, 0xb, 0x8, &(0x7f0000000040)={0x0, 0x0}) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000040)={0xa0, 0x0, 0x2000}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 2: get_robust_list(0x0, &(0x7f00000000c0)=&(0x7f0000000080), &(0x7f0000000100)=0x18) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x7}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x501201, 0x0) getpeername$netlink(r1, &(0x7f0000000100), &(0x7f0000000140)=0xc) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getpeername$netlink(r2, &(0x7f0000000040), &(0x7f0000000080)=0xc) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) socketpair(0x2, 0xb, 0x3, &(0x7f0000000040)={0x0}) sendto$ipx(r2, &(0x7f0000000080)="498d64cc1dd28b64ee7fdd7a315b984855611fc951f523d4cc807552762b4f6c1c41101d83482389092baee0e7894bab45ee010b256513a70b6db96e44c0da9c522e737dbacade58b6ce5b026b4d91dff17eb9d86b3f37b9d3a42ee473ddefced19237af672ae75c027f7d4291592ecbac1004ba20757436e7270130e242ca6ae27d4da4dc41e85513022fddfcd239e8d16f8a4d3a170ca55ab269ddd9f63443cd3014792df778fc0da627968205d412c6c11e52952e8bcc58ccb2f96f51342fb463ab33d8071b0808299cb74b5c91bd81edc9", 0xd3, 0x20000000, 0x0, 0x0) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) syncfs(r0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000000)={0x0, 0x1000, "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"}, &(0x7f0000001040)=0x1008) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000001080)='/selinux/mls\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f00000010c0)={r1, @in6={{0xa, 0x3, 0xfffffffffffffffa, @mcast2={0xff, 0x2, [], 0x1}, 0xfffffffffffffff9}}, 0x101, 0x3ff, 0x7, 0x5}, &(0x7f0000001180)=0xa0) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000001080)={r1, 0x5, 0xff, 0x9}, &(0x7f00000010c0)=0x10) setsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000001240)=0x5, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000011c0)={r3, @in={{0x2, 0x1, @rand_addr=0xfffffffffffffffd}}, 0x6c2, 0x13c}, &(0x7f0000001280)=0x98) r4 = socket$packet(0x11, 0x200000002, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000001100)="9472ba50fe7097c0ee9c335392e84750f39bfe4ea18f08d35bf0cf561e52000000082605e4a52eeb5fc0b60a0033e8a0570425a3493c3dacdff263736cfe55f18e89b4ecdff44d2795a9e40f04581c177dfc9296bcfb72bd315a3e4c0764f49ed4011904a00677ac2045d3db14669d75c4a24b24805a2730e6f0c2d0a7700390de918f2f81ff55f34d96c2186cf7be02afc7891b0300af599f1e3278c955862f56f0f30d013d116e1d894535738eabee23e048f022a56e9744df52", 0xbb, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getpeername$packet(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000000c0)=0x14) r2 = getuid() setsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@dev={0xfe, 0x80, [], 0x0, 0x17}, 0x0, 0x9, 0x2, 0x200, 0x2, 0xa0, 0xa0, 0xb7, r1, r2}, {0x6, 0x9, 0x80000000, 0x8, 0x7, 0x2, 0x4, 0x81}, {0x6, 0x1, 0x100000000, 0x6}, 0x58, 0xc, 0x3}, {{@in=@rand_addr, 0x1, 0x3f}, 0x2, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x3, 0x1, 0x3, 0x1000, 0x680, 0x4, 0xc4}}, 0xe8) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000080)={{{@in6=@ipv4={[], [], @loopback}, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@ipv4={[], [], @remote}}}, &(0x7f0000000180)=0xe8) sendto$packet(r3, &(0x7f0000000040), 0x0, 0xe748e46ff9640d7f, &(0x7f00000001c0)={0x11, 0x16, r4, 0x1, 0x2, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x16}}, 0x14) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000040)={0x0, 0x0, 0x3000}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x0, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000433ff7)='/dev/sg#\x00', 0x7fffffff, 0x0) ioctl(r0, 0x2272, &(0x7f0000000000)) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000800)={{{@in=@multicast2, @in6=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@loopback}}, &(0x7f0000000900)=0xe8) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000940)={@mcast2={0xff, 0x2, [], 0x1}, 0x401, r1}) recvfrom$llc(r0, &(0x7f0000000980)=""/4096, 0x1000, 0x40, &(0x7f0000000000)={0x1a, 0x2, 0x0, 0x3, 0x81, 0x200, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) 2018/02/26 09:33:15 executing program 5: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet6_dccp_int(r0, 0x21, 0xa, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f00000000c0)={{0x2, 0x0, @rand_addr=0x8}, {0x307, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x0, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, @common='syzkaller1\x00'}) setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000140)={0x6}, 0x4) r1 = getuid() r2 = getgid() fchown(r0, r1, r2) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000180)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r0, 0x404c534a, &(0x7f00000001c0)={0x80000001, 0xfffffffffffffffb, 0xfffffffffffffffc}) execveat(r0, &(0x7f0000000240)='./file0\x00', &(0x7f0000000340)=[&(0x7f0000000280)='\x00', &(0x7f00000002c0)='/selinux/status\x00', &(0x7f0000000300)='\x00'], &(0x7f0000000440)=[&(0x7f0000000380)='\x00', &(0x7f00000003c0)="5e747275737465645e1173797374656d00", &(0x7f0000000400)='syzkaller1\x00\x00\x00\x00\x00\x00'], 0x0) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000480)="998ef2f8c8f98c784b01b3443a89b684", 0x10) connect$inet(r3, &(0x7f00000004c0)={0x2, 0x1, @multicast2=0xe0000002}, 0x10) setsockopt$inet6_dccp_int(r0, 0x21, 0x6, &(0x7f0000000500)=0xf1cb, 0x4) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000540)) r5 = fcntl$getown(r0, 0x9) ptrace$setsig(0x4203, r5, 0x40, &(0x7f0000000600)={0xa, 0x101, 0x1, 0x2}) getsockopt$SO_TIMESTAMPING(r4, 0x1, 0x25, &(0x7f0000000640), &(0x7f0000000680)=0x4) accept$ax25(r0, &(0x7f00000006c0), &(0x7f0000000700)=0x10) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000000740), &(0x7f0000000780)=0x4) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f00000007c0)={0x4, [0x4, 0x4, 0x570, 0x3f]}, 0xc) getsockopt$inet_mreq(r4, 0x0, 0x24, &(0x7f0000000800)={@rand_addr, @empty}, &(0x7f0000000840)=0x8) ioperm(0x10000, 0x1, 0xffff) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000880)=0xa, 0x4) ioctl(r0, 0xf6, &(0x7f00000008c0)="6b7c7615778a2d1ded79d3648046fe82fcbaee0aef3455a13f7970d9f0c272062598f4f8949f9bca3863cfa2852ad5f0ab9033b10601be97c5f793254cd3692f62952c539143a08ab28d5efdabf925bcfeff3db6e82c13139e1fed6477f4ad1cc066bd4a77cb84120298b667cbb11f552867d3ac3c25c793bd105c6bec813c91efa93f73") ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x100000001) getdents(r0, &(0x7f0000000980), 0x0) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000009c0)=@syzn, 0x10) ioctl$LOOP_SET_FD(r0, 0x4c00, r4) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000a00)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000a40)={0x0, @local, @multicast1}, &(0x7f0000000a80)=0xc) 2018/02/26 09:33:15 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000ada000)='/dev/net/tun\x00', 0x0, 0x0) finit_module(r0, &(0x7f0000000000)="626465762b40c1257b73797374656d6c6f5c00", 0x0) r1 = creat(&(0x7f000097a000)='./file0\x00', 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r0) fcntl$getownex(r1, 0x10, &(0x7f0000000680)={0x0, 0x0}) fstat(r0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() sendmmsg$unix(r1, &(0x7f0000000780)=[{&(0x7f0000000000)=@file={0xca8db074df775dfd, './file0\x00'}, 0xa, &(0x7f0000000400)=[{&(0x7f0000000040)="c3624c42343b57f450593cacd9ad51d6c1f0fc6c7f68178dca437c0ea0ce", 0x1e}, {&(0x7f0000000080)="d795e193310d0dba2691d671357be48c578d50f1de02a517c6ed3c48e85cb30503531d9d9a1c978e2f85e06e17bb8e2b17392ea9a54da0a5daa2db30d8e7c5b0376f631fbc77e31e21ac11684486cc2ec7ccaf97ec6a280bb08bf77b2c4c274c74be713cee71674947569de85f8f9609eef36dba46bcc3d7d389da4f5a7015f988d68c479111fe5d356ddf924096e3a0979b60fcb0cec48487fe9d64fdc2ff508f", 0xa1}, {&(0x7f0000000140)="0606a3eca06a14ea404d360c2a764a44924c65f7faa21cbc2017b0a88981c0a3cbd59ff3a542729fb05d24c96878cfbf47ee616b73ed09f089ed07e4c4ec7c4b768f1bd9b991519ea96cac84ca157dc0a4afe707527fe320cb6411745ec64a738ed5eed7b7ba20426dcd9f2599bf036a146f26aba1639a86a080444b13aad3bc5eb20faee79254034bee46c3057295ba0c3f6928eb1e8f62260aa728157b4e7e0775ca1ccf04b7e516fbb381e10cefe1be0c01a4236d3cc938becb7feb0228d5645f1942101c00f2737f1c0a15d7cc2f799c5e5e0e15b51aa8d542", 0xdb}, {&(0x7f0000000240)}, {&(0x7f0000000280)="227517ab65d7d84a3ac2a943e4f819dd3a1b014315718abcfe4e8dc779882bc5067cba029113227b63549d5591a4b09c6ab552d8047b4dd8825e34af2b38bc1901ec6cf8a465d7693f77378837e0bad463bf", 0x52}, {&(0x7f0000000300)="6f341dd7ea85c75998e8d8fb704d3b7d1dcd9048945bd2994b4eb6fc0d6ccc956e92b777c4e9e7c2dc528a36796809ea7a210521e84dfe3830ae3fbc0af85233ab8cae1c76727487556010e35881bf9e526fdf57fe42fb39660d5c167fd3b8f77323fd52798d8965648768bed7ef48975e79455b3c3cd45b7eea0577bafd6f8c57e61381c585e599555977ed8212cb19bccab544aefeb4a358d7785219b367053009fe5849dacf32210d68f569c99533ec8d94f5243263636e3c13d0fbc8c3b8503f7ab47a12aa6ef31c687dfdf7", 0xce}], 0x6, 0x0, 0x0, 0x4}, {&(0x7f0000000480)=@abs={0x1, 0x0, 0x1}, 0x8, &(0x7f0000000640)=[{&(0x7f00000004c0)="54db5cf3e6e30e429f1af690a1c4a2056221d95927b9214cd2ebc1e2eecbb9192b2ad447a830d077efb1b89ae84c82c0b7461bf5d1bb2ba4a1fc692b1cabf92f", 0x40}, {&(0x7f0000000500)="f8211c0002a5cb2dac921ed1eadad991031310b935d9a6a1b8111ff3ed529ccec9c5cd01e41d3ec141fffda7c1b16fe387e09746d9eefe4dcc", 0x39}, {&(0x7f0000000540)="3df0cd30cf2a47e22b124078cfe1ec49dffd5389a78c0fef91b105749cfbe5390d307a04296387d650eadd5c6527a14e48ba4534780690ec4743110655ef92250b32145ce101f23977bb1f653be42f43ffb702aa34b1cbc215ecc25d01a43720933894a32302a933be1f0b1df71c2eda8c78ea8a91d87192df8755f75fcb76c62b50000b493c0af83708cf73e7d4e40e5545f8682a3f", 0x96}, {&(0x7f0000000600)="29f32a43918d75adacda7ad1", 0xc}], 0x4, &(0x7f0000000740)=[@cred={0x20, 0x1, 0x2, r2, r3, r4}], 0x20, 0x10}], 0x2, 0x1) getsockopt$ax25_buf(r1, 0x101, 0x19, &(0x7f0000000800)=""/179, &(0x7f0000000240)=0xb3) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x0, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) prctl$setendian(0x14, 0x2) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000000, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f0000000040)) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 2: r0 = socket$inet6(0xa, 0x80001, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={0x0, 0xb50000000000000, 0x80000000, 0x7ff, 0x2, 0x5b}, &(0x7f0000000040)=0x14) ioctl$sock_inet6_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000080)) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000080)={r1, 0xee, "3f192088c3821dcef9aac2b8aff059e08942706b2d079951eab3d7559f0a071c123092f514cd237cc8273f577237b9052fb5f08e22a504ed3ae78117d839461a154a55bb1a2ea199cd39a965419cf396438dfb45347254b200cf80edbcca45fb343dd630fee3a07ea50a5c600ee91d248bbcc472d5ab197606bb9e80abb31e268018359b468ab9ea207cb95d7d019776fac94335534cdf48e33d8026a79ead0e25c6bb7fa3cbaf0c7a695353193b039fa9693a30c8dbc4cd98c56a1fa03c4c9baba02ca864b0efde697bba3e18225fc3b25f802b3d269a76a75ca07563578535c7cfc54e5d48e6a1bc0a37b1844a"}, &(0x7f0000000180)=0xf6) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, 0xfffffffffffffffd, 0x0, []}, 0x90) ioctl$int_in(r0, 0x5452, &(0x7f00000000c0)=0x2000000001000) r2 = syz_open_dev$usbmon(&(0x7f00000001c0)='/dev/usbmon#\x00', 0x8, 0x400000) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f0000000200)={0x0, 0x0}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f0000000240)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_GEM_OPEN(r2, 0xc010640b, &(0x7f0000000280)={r3, r4, 0x4}) 2018/02/26 09:33:15 executing program 6: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x101880, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000040)={0x0, 0x3}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f00000000c0)={r1, 0x3ff}, 0x8) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x400000000000100, 0x0) fcntl$setstatus(r2, 0x4, 0x0) 2018/02/26 09:33:15 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x0, 0x0) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0x7, &(0x7f0000000040)={0x3ff, 0x6, 0x4, 0xd563}, 0x10) ioctl$PERF_EVENT_IOC_RESET(r1, 0x2403, 0x2) getsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000154000), &(0x7f0000000000)=0x3) ioctl$DRM_IOCTL_GET_MAGIC(r1, 0x80046402, &(0x7f0000000040)=0x6) mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='proc\x00', 0x4, &(0x7f0000000140)="6a64640242b13644880c598be2db35a059c9c808ea710b0d0dc6f2bbb1615e94f97e74c3953290e7b5ea495804c7561f27a36e336719354fa00c1b7dee64eda0d544d5562d68720b93fc7b11f44b8b2d16082088863859d490aaa493d6b09223f6ab77fd11b04846c5a681d88187b73cffd756e2426dc1440fb84aae47212fcc39b570c947024be62171a757b9a7214e5d1224159e233cec505f5e79ef373c419194a1f20d0cc0ec65af01eb5b662540c4436925cc1016cacd5c3afce120ce2ff9d832ff27c5e219180d6af49666e11d17c65389") 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x2000, 0x0) bind$netlink(r1, &(0x7f0000000040)={0x10, 0x0, 0x3, 0x1000}, 0xc) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = fcntl$dupfd(r0, 0x0, r2) ioctl$TIOCGETD(r3, 0x5424, &(0x7f0000000040)) accept$inet(r3, &(0x7f0000000080)={0x0, 0xffffffffffffffff, @broadcast}, &(0x7f0000000080)=0x10) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = memfd_create(&(0x7f0000000000)='bdevsystem\x00', 0x1) ioctl$EVIOCGABS3F(r1, 0x8018457f, &(0x7f0000000040)=""/118) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000080)={{{@in6=@dev, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@remote}}, &(0x7f0000000000)=0x3e4) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={@generic="7f568fedbd2dae4e4d1938f8d596fc2e", r2}) r4 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) fremovexattr(r0, &(0x7f0000000040)=@known='system.posix_acl_default\x00') openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x200, 0x0) r5 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/mls\x00', 0x0, 0x0) connect$packet(r4, &(0x7f0000000180)={0x11, 0x16, r3, 0x1, 0x7, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}}, 0x14) ioctl$ASHMEM_GET_PIN_STATUS(r5, 0x7709, 0x0) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x0, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) ioctl$PPPOEIOCDFWD(r1, 0xb101, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x2, 0x300) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000)=0x8000000000003, 0x1) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000000040)={0x0, 0x49, "0d7fa2566dcc01cd1a9a420a4ca1ea10784b3d429adc404afb039e5a6271d8a7a6fdabcdda6cde7ce080ff7ba3c1abefd1943de9ebe8bc999a7ab11468dc90b4ca5a3b9d3d05e60a31"}, &(0x7f00000000c0)=0x51) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000100)={r2, 0x7fffffff}, 0x8) 2018/02/26 09:33:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000fe9ff6)='/dev/ptmx\x00', 0x0, 0x0) r1 = epoll_create(0x10007fff) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r2 = syz_open_pts(r0, 0x0) r3 = dup2(r0, r2) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r3, &(0x7f0000000000)) epoll_wait(r1, &(0x7f0000ae3fdc)=[{}], 0x1, 0x0) 2018/02/26 09:33:15 executing program 6: r0 = socket(0x19, 0x0, 0x7fff) ioctl$sock_netrom_TIOCINQ(r0, 0x541b, &(0x7f0000000000)) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$TIOCSWINSZ(r1, 0x5414, &(0x7f0000000080)={0x3, 0x7190000000000000, 0x5, 0xffffffff}) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0xffffffffffffffff, 0x10, r0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000004000)='map_files\x00') getdents(r2, &(0x7f0000000100)=""/139, 0x8b) getdents(r2, &(0x7f0000000ea9)=""/407, 0x197) syz_open_dev$binder(&(0x7f00000000c0)='/dev/binder#\x00', 0x0, 0x802) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@local, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@rand_addr}}, &(0x7f0000000040)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000002c0)={{{@in6=@local, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@loopback}}, &(0x7f0000000080)=0xe8) recvmmsg(r2, &(0x7f0000000a00)=[{{&(0x7f00000000c0)=@pppoe={0x0, 0x0, {0x0, @dev, @generic}}, 0x1e, &(0x7f0000000600)=[{&(0x7f00000003c0)=""/140, 0x8c}, {&(0x7f0000000480)=""/224, 0xe0}, {&(0x7f0000000580)=""/93, 0x5d}], 0x3, 0x0, 0x0, 0x1}, 0x100}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000640)=""/125, 0x7d}, {&(0x7f00000006c0)=""/74, 0x4a}, {&(0x7f0000000740)=""/216, 0xd8}, {&(0x7f0000000840)=""/67, 0x43}, {&(0x7f00000008c0)=""/154, 0x9a}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x6, 0x0, 0x0, 0xffffffff}, 0xfffffffffffffff8}], 0x2, 0x2061, &(0x7f0000000a80)={0x77359400}) setsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000003c0)={{{@in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@broadcast=0xffffffff, 0x0, 0x7f, 0x2, 0x6, 0xa, 0x80, 0x20, 0x88, r3, r4}, {0x8001, 0x7, 0x0, 0xffffffff, 0x7f, 0x1000, 0x10001, 0x3}, {0x7fff, 0x81, 0x7, 0x8}, 0x10001, 0xe, 0x0, 0x0, 0x3, 0x1}, {{@in6=@mcast1={0xff, 0x1, [], 0x1}, 0x3, 0x3c}, 0xa, @in=@rand_addr=0x4, 0x2, 0x3, 0x0, 0x2, 0x0, 0x7, 0x5}}, 0xe8) 2018/02/26 09:33:15 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) chmod(&(0x7f000000e000)='./control\x00', 0x40f152a1a03d37a7) utimensat(r0, &(0x7f0000000000)='./control\x00', &(0x7f0000000040), 0x100) mkdirat(r0, &(0x7f0000016ff8)='./file0\x00', 0x40) r1 = openat(r0, &(0x7f0000025000)='./file0\x00', 0x0, 0x0) symlinkat(&(0x7f0000023ff8)='./file0\x00', r1, &(0x7f0000012ff6)='./control\x00') 2018/02/26 09:33:15 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000080)={@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, 0xfffffffffffffffb}) 2018/02/26 09:33:15 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000000040)={0x2, 0x3, @rand_addr}, 0x10) 2018/02/26 09:33:15 executing program 5: r0 = socket(0x1000000010, 0x802, 0x0) r1 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffb) r2 = geteuid() getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) keyctl$chown(0x4, r1, r2, r3) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x0}) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000100)) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000140), &(0x7f0000000180)=0x4) r5 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r5, 0xc058534b, &(0x7f0000000180)={0x1ff, 0x7, 0x3, 0x4, 0x6, 0x3}) sendmsg$nl_route(r0, &(0x7f000022b000)={&(0x7f0000f83000)={0x10}, 0xc, &(0x7f0000d6aff8)={&(0x7f0000b4efac)=ANY=[@ANYBLOB="300000001c00030500000000000000000a000000", @ANYRES32=r4, @ANYBLOB="0000000114000100fec000000000000000000000000000bb584b4db776"], 0x30}, 0x1}, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000100)=0x7, 0x4) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040)=0xffffffff, 0x4) 2018/02/26 09:33:15 executing program 6: r0 = socket(0x19, 0x0, 0x7fff) ioctl$sock_netrom_TIOCINQ(r0, 0x541b, &(0x7f0000000000)) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$TIOCSWINSZ(r1, 0x5414, &(0x7f0000000080)={0x3, 0x7190000000000000, 0x5, 0xffffffff}) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0xffffffffffffffff, 0x10, r0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000004000)='map_files\x00') getdents(r2, &(0x7f0000000100)=""/139, 0x8b) getdents(r2, &(0x7f0000000ea9)=""/407, 0x197) syz_open_dev$binder(&(0x7f00000000c0)='/dev/binder#\x00', 0x0, 0x802) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@local, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@rand_addr}}, &(0x7f0000000040)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000002c0)={{{@in6=@local, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@loopback}}, &(0x7f0000000080)=0xe8) recvmmsg(r2, &(0x7f0000000a00)=[{{&(0x7f00000000c0)=@pppoe={0x0, 0x0, {0x0, @dev, @generic}}, 0x1e, &(0x7f0000000600)=[{&(0x7f00000003c0)=""/140, 0x8c}, {&(0x7f0000000480)=""/224, 0xe0}, {&(0x7f0000000580)=""/93, 0x5d}], 0x3, 0x0, 0x0, 0x1}, 0x100}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000640)=""/125, 0x7d}, {&(0x7f00000006c0)=""/74, 0x4a}, {&(0x7f0000000740)=""/216, 0xd8}, {&(0x7f0000000840)=""/67, 0x43}, {&(0x7f00000008c0)=""/154, 0x9a}, {&(0x7f0000001040)=""/4096, 0x1000}], 0x6, 0x0, 0x0, 0xffffffff}, 0xfffffffffffffff8}], 0x2, 0x2061, &(0x7f0000000a80)={0x77359400}) setsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000003c0)={{{@in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@broadcast=0xffffffff, 0x0, 0x7f, 0x2, 0x6, 0xa, 0x80, 0x20, 0x88, r3, r4}, {0x8001, 0x7, 0x0, 0xffffffff, 0x7f, 0x1000, 0x10001, 0x3}, {0x7fff, 0x81, 0x7, 0x8}, 0x10001, 0xe, 0x0, 0x0, 0x3, 0x1}, {{@in6=@mcast1={0xff, 0x1, [], 0x1}, 0x3, 0x3c}, 0xa, @in=@rand_addr=0x4, 0x2, 0x3, 0x0, 0x2, 0x0, 0x7, 0x5}}, 0xe8) 2018/02/26 09:33:15 executing program 2: r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0x0, 0x2) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x80, 0x0) ioctl$EVIOCGPROP(r1, 0x80404509, &(0x7f0000000080)=""/195) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000080)=0x9, 0x4) ioctl$BINDER_WRITE_READ(r0, 0xc0046209, &(0x7f0000001000)={0x0, 0x0, &(0x7f00004f0000)=[], 0xffffffffffffff31, 0x0, &(0x7f0000000040)="c6bf90b4bd296846b10e4cbabd4d829bb3a54f0cceb91faf259ac94f56a3bc60c42746c0edd30c0811cddc2eaa4b29a11d176908feffffffffffffffa07505df51dfce0eaa0101f8b9eb0b2dab1a22807ddc0e11e8d5abdbe58294c8fe68e982d733cc5b879cb544d2a5b7d04bd3b31851a5000000000000000000"}) connect(r1, &(0x7f00000000c0)=ANY=[@ANYBLOB="02004e20ac1400bb0000040000000000"], 0x10) modify_ldt$write(0x1, &(0x7f0000000040)={0x0, 0x100000, 0x7000, 0x20, 0x3, 0x7, 0x0, 0xa1dc, 0xd3e, 0x7}, 0x10) 2018/02/26 09:33:15 executing program 4: r0 = socket$inet(0x2, 0x10000006, 0x80003a737dba) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x80000, &(0x7f0000fd9ff0)={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, 0x10) 2018/02/26 09:33:15 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x0, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:15 executing program 7: pipe(&(0x7f0000000000)={0x0}) r1 = accept$unix(0xffffffffffffffff, 0x0, &(0x7f0000000040)) dup3(r0, r1, 0x0) r2 = socket$inet(0x2, 0x80000000000006, 0xffffffffffffffff) setsockopt$inet_mtu(r2, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r3 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r2, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) request_key(&(0x7f0000000040)='big_key\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000000c0)="6574683174727573746564cd2673656c696e757873656c696e75784070726f6300", 0xfffffffffffffff8) 2018/02/26 09:33:15 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000040)=0x0) sched_setscheduler(r2, 0x2, &(0x7f0000000080)=0xa55) 2018/02/26 09:33:15 executing program 2: r0 = socket$inet6(0xa, 0x2000000000000002, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x100000d, 0x32, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x9, 0x100) r2 = accept4$packet(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x14, 0x80000) poll(&(0x7f0000001fef)=[{0xffffffffffffffff}, {0xffffffffffffffff}], 0x2, 0x0) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x40, 0x0) bind$inet6(r0, &(0x7f0000001ff2)={0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$packet_buf(r2, 0x107, 0x6, &(0x7f00000000c0)=""/55, &(0x7f0000000100)=0x37) getsockname$inet6(r0, &(0x7f0000f62000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000e9d000)=0x1c) r3 = open(&(0x7f0000000000)='./file0\x00', 0x1, 0x80) ioctl$PIO_UNIMAP(r3, 0x4b67, &(0x7f0000000080)={0x6, &(0x7f0000000040)=[{0x979, 0x1}, {0x80, 0xa7}, {0x1, 0x7}, {0x4, 0x1ff}, {0x7fff, 0x3}, {0x800, 0x4}]}) 2018/02/26 09:33:15 executing program 6: personality(0x440000d) prctl$intptr(0x200000002a, 0x401f) 2018/02/26 09:33:15 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f00008fc000)=0x8, 0x4) getpeername$packet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x14) connect$packet(r0, &(0x7f00000000c0)={0x11, 0x10, r1, 0x1, 0x6, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x14) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f000032f000)={0xfffffffffffffffe, 0x7, 0x7fff}, 0xfdea16956e34f606) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x3, 0x0) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x77, &(0x7f0000000100)={0x0, 0xffffffff, 0x5, [0x8, 0x9, 0x2, 0x400, 0x81]}, &(0x7f0000000140)=0x12) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000180)={r3, 0x8}, 0x8) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0x0, 0x0}) setsockopt$inet_buf(r4, 0x0, 0x35, &(0x7f0000000100)="178b8639e152fbf0df1fd94ed69409c87102c7d9c31dcee9bf82525ec99630c97db318b1f258a2562dc190e7", 0x2c) getsockname$packet(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x14) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)={0x0}) ioctl$sock_inet_tcp_SIOCINQ(r5, 0x541b, &(0x7f0000000040)) setsockopt$packet_buf(r0, 0x107, 0x16, &(0x7f0000a76000), 0xfffffe5e) 2018/02/26 09:33:15 executing program 5: r0 = memfd_create(&(0x7f000000e000)='\x00 ', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000053ff3)='/dev/snd/seq\x00', 0x0, 0x101802) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) syz_extract_tcp_res$synack(&(0x7f00000003c0)={0x0, 0x0}, 0x1, 0x0) syz_extract_tcp_res(&(0x7f0000000400)={0x0, 0x0}, 0x930, 0xfffffffeffffffff) write$tun(r0, &(0x7f0000000440)=@pi={0x0, 0x0, @ipv4={{0x0, 0x4, 0x9, 0x3, 0x0, 0x2, 0x401, 0x8c, 0x33, 0x0, @loopback=0x7f000001, @empty, {[@cipso={0x86, 0x0, 0xd666, []}, @ra={0x94, 0x0, 0x3f}, @end]}}, @tcp={{0x0, 0x3, r3, r4, 0x3, 0x0, 0x0, 0x40, 0x498b6cb6, 0x0, 0x2, {[@window={0x3, 0x0, 0x7}, @nop={0x1}]}}, {"d689597b76a110500e2c68b935ad4d7cebb4cb1f9e5f458dbd66b28dc0859b34ee0eca20c5ec9893033bb8df6b7c0785e902ae07e0f950ea410be9da9f97aefaf7b0ae2fa657150324bf3dba7e91db7bb684858cde8116af0abfdc32786752c8ecd08814aee0bc367b9ff384b1460d89159ab680"}}}}, 0xdddfe684) 2018/02/26 09:33:15 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000ef2ffc)='net\x00') socket$nl_xfrm(0x10, 0x3, 0x6) fchmodat(r0, &(0x7f00002c5000)='./file0\x00', 0x0) 2018/02/26 09:33:15 executing program 2: 2018/02/26 09:33:15 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) r1 = dup(r0) bind$inet(r0, &(0x7f000012e000)={0x2, 0x3, @broadcast=0xffffffff}, 0x10) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f00002eaffc)=0x101, 0x4) connect$inet(r0, &(0x7f0000987000)={0x2, 0x3, @empty}, 0xffffffffffffff5e) vmsplice(r1, &(0x7f0000000180)=[{&(0x7f0000000000)="4f022a0502cdb2fd01b26bb46d57c0fd154a92391deb976c8a9f9979a241973915b46b81de90045963cf2bf1853b0a5157c07092a71b680ed31180d2f3828200ebc1e5eb41ecd56498b98abc61e98576b2228a6797768d675021bedbdbc0903a3c49565290e3c72889696dc50ec26e84c816a61f311c37d6df74037c10ffc90bd081de4d7b5a41b10803f4c22c7813d409f17491af03957a0e7ea405f4b465dbc258a383fc2e0ba59a05ab1a9726f9246a7cfdef0721d3ba1c3bf58908f5", 0xbe}, {&(0x7f00000000c0)="1f13b2dfb1f522adcc61491ef9652f5bcc0674b37d34431f419b6e4044007743a07e46aa43e6dc8e4f69a2346aee6b81b408d09c37068556b2f4ac4b17b832a41660f114c79ba870b2b53a713bcb93e29f7183a8e110de9ad2ad8d50370120be66fecd696cea99b4666671d212d2ce2dba895d2542cc641061749d071f305184a14d", 0x82}], 0x2, 0xa) sendto$inet(r1, &(0x7f0000a41000)="f4", 0x1, 0x0, 0x0, 0x0) ioctl$DRM_IOCTL_AGP_RELEASE(r1, 0x6431) sendto$inet(r1, &(0x7f00004eef09)="96", 0x1, 0x0, &(0x7f0000848ff0)={0x2, 0xffffffffffffffff, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) recvfrom$inet(r0, &(0x7f00002b4000)=""/33, 0x21, 0x12021, &(0x7f00004d1000)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) sendmsg$netlink(r1, &(0x7f0000915000)={&(0x7f00005c9000)=@proc={0x10}, 0xc, &(0x7f0000525000)=[]}, 0x0) acct(&(0x7f00000001c0)='./file0\x00') sendto$ax25(r1, &(0x7f00000001c0)="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", 0x1000, 0x20044080, &(0x7f00000011c0)={0x3, {"5917d96b2831b2"}, 0xdb}, 0x10) 2018/02/26 09:33:15 executing program 2: mkdir(&(0x7f0000a09000)='./file0\x00', 0x160) creat(&(0x7f0000e64000)='./file0/file0\x00', 0x0) r0 = gettid() sched_getattr(r0, &(0x7f0000000000), 0x30, 0x0) umount2(&(0x7f0000000000)='./file0\x00', 0x8) capset(&(0x7f0000000000)={0x19980330, r0}, &(0x7f0000000000)={0x7, 0x0, 0xfffffffffffffffd, 0xffff}) lsetxattr(&(0x7f0000cd2ff2)='./file0/file0\x00', &(0x7f0000e0ffd1)=@known='com.apple.FinderInfo\x00', &(0x7f0000ff7fff)='\x00', 0x1, 0x0) 2018/02/26 09:33:16 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x4000, 0x0) sendto$inet6(r2, &(0x7f0000000080)="6da330e7fa22779a3de5e8960429d1b4812da6a3d7efd8e4299c60e55d93682e23d4862b9af8c7ca4c27a26803c775999f80750c05c9a6ad0e044fdca09a9f3b3852d5a6f1b2f35f78fb174244368ee7571d8a7d766806e94e106b3ff9a3d7f748a378b55d6ab834f809daa2a07e29b432c1bca471dfaf1b50306f8a786c8137838528f264457cdecd8bc41563277b74dd49f7c8b7c4c1657ab443ba0fdfd0457bf014d0b842f6b42d739a409481989340dc901c756c67a8507f49be0c6110dda6eb12b10013aea6d89bec1e6811d3d4eff5cedcbda6", 0xd6, 0x4040, &(0x7f0000000180)={0xa, 0x2, 0x9, @mcast2={0xff, 0x2, [], 0x1}, 0xd9e}, 0x1c) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = open(&(0x7f0000000040)='./file0\x00', 0x2000, 0x100) ioctl$SIOCGIFMTU(r3, 0x8921, &(0x7f0000000080)={@common}) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x0, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 7: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000040)=0x24) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000080)) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) ioctl$KDSKBMETA(r0, 0x4b63, &(0x7f00000000c0)=0x1020000000000) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 4: mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x3000009, 0x32, 0xffffffffffffffff, 0xfffffffffffffffc) mmap(&(0x7f0000000000/0x938000)=nil, 0x938000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000ff4)='/dev/rfkill\x00', 0x2, 0x0) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) write$evdev(r0, &(0x7f0000ef7f88)=[{{r1, r2/1000+10000}}], 0x18) 2018/02/26 09:33:16 executing program 6: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f000000bfc8)={&(0x7f0000000000)=@nl=@proc={0x10}, 0xc, &(0x7f0000002000)=[{&(0x7f0000001000)="5500000018007fafb72d1cb2a4a280930206000000a843096c26236925000800040000001000ca8a9848a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x0, &(0x7f0000004000)=[]}, 0x0) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x80000, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000001380)='/dev/usbmon#\x00', 0x100, 0x4000) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f00000013c0)="ed17a7bcb807d67756d91e024525af1f", 0x10) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x4ae, 0x4080) ioctl$TUNGETSNDBUF(r2, 0x800454d3, &(0x7f0000000040)) r3 = socket$packet(0x11, 0x10000000000002, 0x300) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000000)=ANY=[@ANYRES32=0x0, @ANYBLOB="25000000a661dcf8568f96ef627872b18e58bc24b46bfb642c2eb6cfc1d3053a6a6597d0099a324ebc66efbea461"], &(0x7f0000000040)=0x2d) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000080)={0x0, 0x1, 0x7fff, 0x3ff, r4}, &(0x7f00000000c0)=0x10) ioctl$SIOCGIFMTU(r2, 0x8921, &(0x7f0000000100)={@generic}) fcntl$setlease(r0, 0x400, 0x0) setsockopt$packet_fanout(r3, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x208802, 0x0) getpeername$packet(r3, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000180)=0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@remote, @in=@multicast1, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@remote}}, &(0x7f00000002c0)=0xe8) setsockopt$inet6_IPV6_IPSEC_POLICY(r5, 0x29, 0x22, &(0x7f0000000300)={{{@in=@broadcast=0xffffffff, @in=@rand_addr=0x7, 0x0, 0x7b5a, 0x0, 0x24927d9b, 0xa, 0x80, 0x80, 0x3c, r6, r7}, {0x42, 0xbd, 0xfff, 0x4, 0xfffffffffffffff7, 0x52a, 0x9, 0x5}, {0x7, 0xf9d, 0x80, 0x190}, 0x1, 0x0, 0x3, 0x0, 0x1, 0x2}, {{@in6=@dev={0xfe, 0x80, [], 0x0, 0x16}, 0x2, 0xff}, 0x2, @in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0xffffffffffffffff, 0x3, 0x3, 0x5, 0x9, 0x2, 0x6}}, 0xe8) 2018/02/26 09:33:16 executing program 2: r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/commit_pending_bools\x00', 0x1, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in={0x2, 0x3, @dev={0xac, 0x14, 0x0, 0x14}}, @in={0x2, 0x2, @broadcast=0xffffffff}], 0x20) r1 = socket(0xa, 0x2000000001, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f000002d000)={@syzn={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000036000)=ANY=[@ANYBLOB="3b0040000000000000800000000000000000000000000000"]}) ioctl$KDENABIO(r0, 0x4b36) 2018/02/26 09:33:16 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f84ff0)={&(0x7f0000379fa0)=ANY=[@ANYBLOB="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"], 0x10}, 0x1}, 0x0) clock_gettime(0x0, &(0x7f0000f87ff0)={0x0, 0x0}) r2 = creat(&(0x7f0000000000)='./file0\x00', 0x9) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) timerfd_settime(r2, 0x1, &(0x7f0000000080)={{r3, r4+30000000}}, &(0x7f00000000c0)) personality(0x5000012) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f0000000100)=0x8, 0x4) sendmsg$key(r0, &(0x7f0000cb9000)={0x0, 0x0, &(0x7f0000933000)={&(0x7f0000f88000)={0x2, 0xc, 0x0, 0x0, 0x2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, []}, 0x10}, 0x1}, 0x0) recvmmsg(r0, &(0x7f0000f87000)=[{{&(0x7f0000defff0)=@can, 0x10, &(0x7f0000f87000)=[], 0x0, &(0x7f0000f87fcc)=""/52, 0x34}}, {{&(0x7f0000f7d000)=ANY=[@ANYBLOB="8a24916f7ebc89b10000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x3a, &(0x7f000018c000)=[]}}], 0x2, 0x0, &(0x7f000010dff0)={0x0, r1+10000000}) 2018/02/26 09:33:16 executing program 6: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000013ff0)={0x3, &(0x7f000000b000)=[{0x100050}, {0x2d}, {0x6}]}, 0x10) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x80, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000040)={@empty, 0x3, 0x1, 0x2, 0xc, 0xffffffffffffffff, 0x1ff, 0x6}, 0x20) ioctl$DRM_IOCTL_AGP_ACQUIRE(0xffffffffffffffff, 0x6430) writev(r1, &(0x7f0000009000)=[{&(0x7f000000e000)="8f", 0x1}], 0x1) ioctl$EVIOCGEFFECTS(r2, 0x80044584, &(0x7f0000000080)=""/74) 2018/02/26 09:33:16 executing program 4: r0 = syz_open_dev$binder(&(0x7f0000001000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000449fd0)={0x48, 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="0d63000000634040020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000dd42001a6a2447e65ec4a6b86595b444255b5a0e8aa3d3468513176cb36e6cbfd24ad5e6df25136ef387fb9d7b5fa60f9512ea0a33d4ad1280ed0e0804476a3653efbd18acb1bce962d63eee67c56f39233a3aa1e70071a161f3a5a3db23f3ef46d71cae2017bbf4ad65268d96b5105c14", @ANYPTR=&(0x7f0000000040)=ANY=[], @ANYPTR=&(0x7f0000000080)=ANY=[]], 0x0, 0x0, &(0x7f0000901000)}) r1 = mmap$binder(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000008, 0x10, 0xffffffffffffff9c, 0x0) ioctl$int_out(r0, 0x5462, &(0x7f0000000000)) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000000)={r1}) [ 105.540855] binder: 25262:25265 got transaction to invalid handle [ 105.547935] binder: 25262:25265 transaction failed 29201/-22, size 0-0 line 3004 [ 105.556076] binder: 25262:25265 ioctl 5462 20000000 returned -22 [ 105.563275] binder: 25262:25265 got transaction to invalid handle [ 105.569800] binder: 25262:25265 transaction failed 29201/-22, size 0-0 line 3004 [ 105.572409] binder: 25262:25270 ioctl 5462 20000000 returned -22 [ 105.585264] binder: undelivered TRANSACTION_ERROR: 29201 [ 105.591079] binder: undelivered TRANSACTION_ERROR: 29201 2018/02/26 09:33:16 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f000059aff4)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0x2a) mmap(&(0x7f00003f5000/0x2000)=nil, 0x2000, 0x1, 0x1011, r0, 0x0) ioctl$ASHMEM_GET_PIN_STATUS(r0, 0x7709, 0x0) 2018/02/26 09:33:16 executing program 6: mkdir(&(0x7f00000000c0)='./file0\x00', 0x1e) mount(&(0x7f0000ec6000)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f00009f0ff9)='cpuset\x00', 0x0, &(0x7f0000ec7fed)) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc), 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 4: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000040)=0x24) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000080)) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) ioctl$KDSKBMETA(r0, 0x4b63, &(0x7f00000000c0)=0x1020000000000) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 7: r0 = socket$inet(0x2, 0x80a, 0x1) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x8000080002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f84ff0)={&(0x7f0000379fa0)=ANY=[@ANYBLOB="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"], 0x10}, 0x1}, 0x0) clock_gettime(0x0, &(0x7f0000f87ff0)={0x0, 0x0}) r2 = creat(&(0x7f0000000000)='./file0\x00', 0x9) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) timerfd_settime(r2, 0x1, &(0x7f0000000080)={{r3, r4+30000000}}, &(0x7f00000000c0)) personality(0x5000012) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f0000000100)=0x8, 0x4) sendmsg$key(r0, &(0x7f0000cb9000)={0x0, 0x0, &(0x7f0000933000)={&(0x7f0000f88000)={0x2, 0xc, 0x0, 0x0, 0x2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, []}, 0x10}, 0x1}, 0x0) recvmmsg(r0, &(0x7f0000f87000)=[{{&(0x7f0000defff0)=@can, 0x10, &(0x7f0000f87000)=[], 0x0, &(0x7f0000f87fcc)=""/52, 0x34}}, {{&(0x7f0000f7d000)=ANY=[@ANYBLOB="8a24916f7ebc89b10000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x3a, &(0x7f000018c000)=[]}}], 0x2, 0x0, &(0x7f000010dff0)={0x0, r1+10000000}) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0x0, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 6: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f00006dc000)=[{0x6}]}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000fd0000), 0x0, 0x0, &(0x7f0000deaff0)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) connect$inet(r0, &(0x7f0000000000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) rt_sigreturn() r1 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12, 0x0, @thr={&(0x7f0000000040), &(0x7f0000000140)}}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x31, 0xffffffffffffffff, 0x0) tkill(r1, 0x1000000000016) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) [ 105.698285] [ 105.700264] ====================================================== [ 105.706582] [ INFO: possible circular locking dependency detected ] [ 105.712989] 4.9.84-ga9d0273 #44 Not tainted [ 105.717303] ------------------------------------------------------- [ 105.723699] syz-executor2/25285 is trying to acquire lock: [ 105.729306] (&mm->mmap_sem){++++++}, at: [] __might_fault+0xe4/0x1d0 [ 105.737787] but task is already holding lock: [ 105.742427] (ashmem_mutex){+.+.+.}, at: [] ashmem_ioctl+0x371/0xfe0 [ 105.750816] which lock already depends on the new lock. [ 105.750816] [ 105.757807] [ 105.757807] the existing dependency chain (in reverse order) is: [ 105.765403] -> #1 (ashmem_mutex){+.+.+.}: [ 105.770190] lock_acquire+0x12e/0x410 [ 105.774485] mutex_lock_nested+0xbb/0x870 [ 105.779136] ashmem_mmap+0x53/0x400 [ 105.783259] mmap_region+0x7dd/0xfd0 [ 105.787468] do_mmap+0x57b/0xbe0 [ 105.791347] vm_mmap_pgoff+0x16b/0x1b0 [ 105.795745] SyS_mmap_pgoff+0x33f/0x560 [ 105.800227] SyS_mmap+0x16/0x20 [ 105.804015] do_syscall_64+0x1a4/0x490 [ 105.808398] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 105.814002] -> #0 (&mm->mmap_sem){++++++}: [ 105.818889] __lock_acquire+0x2bf9/0x3640 [ 105.823536] lock_acquire+0x12e/0x410 [ 105.827840] __might_fault+0x14a/0x1d0 [ 105.832225] ashmem_ioctl+0x3c0/0xfe0 [ 105.836521] do_vfs_ioctl+0x1aa/0x1140 [ 105.840902] SyS_ioctl+0x8f/0xc0 [ 105.844762] do_syscall_64+0x1a4/0x490 [ 105.849266] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 105.854868] [ 105.854868] other info that might help us debug this: [ 105.854868] [ 105.862983] Possible unsafe locking scenario: [ 105.862983] [ 105.869020] CPU0 CPU1 [ 105.873657] ---- ---- [ 105.878295] lock(ashmem_mutex); [ 105.881957] lock(&mm->mmap_sem); [ 105.888229] lock(ashmem_mutex); [ 105.894401] lock(&mm->mmap_sem); [ 105.898156] [ 105.898156] *** DEADLOCK *** [ 105.898156] [ 105.904190] 1 lock held by syz-executor2/25285: [ 105.908828] #0: (ashmem_mutex){+.+.+.}, at: [] ashmem_ioctl+0x371/0xfe0 [ 105.917770] [ 105.917770] stack backtrace: [ 105.922247] CPU: 1 PID: 25285 Comm: syz-executor2 Not tainted 4.9.84-ga9d0273 #44 [ 105.929985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.939320] ffff8801cdb6f908 ffffffff81d956b9 ffffffff853a2cd0 ffffffff853a2cd0 [ 105.947321] ffffffff853c32e0 ffff8801cbf4b8d8 ffff8801cbf4b000 ffff8801cdb6f950 [ 105.955325] ffffffff812387f1 ffff8801cbf4b8d8 00000000cbf4b8b0 ffff8801cbf4b8d8 [ 105.963335] Call Trace: [ 105.965904] [] dump_stack+0xc1/0x128 [ 105.971242] [] print_circular_bug+0x271/0x310 [ 105.977360] [] __lock_acquire+0x2bf9/0x3640 [ 105.983320] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 105.990314] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 105.997215] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 106.004201] [] ? mark_held_locks+0xaf/0x100 [ 106.010147] [] ? mutex_lock_nested+0x5e3/0x870 [ 106.016351] [] ? __lock_is_held+0xa1/0xf0 [ 106.022128] [] lock_acquire+0x12e/0x410 [ 106.027736] [] ? __might_fault+0xe4/0x1d0 [ 106.033511] [] __might_fault+0x14a/0x1d0 [ 106.039194] [] ? __might_fault+0xe4/0x1d0 [ 106.044979] [] ashmem_ioctl+0x3c0/0xfe0 [ 106.050592] [] ? vma_wants_writenotify+0x51/0x380 [ 106.057073] [] ? vma_set_page_prot+0x10f/0x180 [ 106.063295] [] ? get_name+0x250/0x250 [ 106.068731] [] ? get_name+0x250/0x250 [ 106.074157] [] do_vfs_ioctl+0x1aa/0x1140 [ 106.079840] [] ? ioctl_preallocate+0x220/0x220 [ 106.086054] [] ? selinux_file_ioctl+0x355/0x530 [ 106.092352] [] ? selinux_capable+0x40/0x40 2018/02/26 09:33:16 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) recvmsg(r4, &(0x7f0000000680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast2}}}, 0x32, &(0x7f0000000780)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000002c0)=""/251, 0xfb}, {&(0x7f00000003c0)=""/239, 0xef}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000000c0)=""/68, 0x44}, {&(0x7f0000000700)=""/103, 0x67}], 0x6, &(0x7f0000000140)=""/55, 0x37, 0x2}, 0x2) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000840)) 2018/02/26 09:33:16 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000040)=@int, &(0x7f0000000080)=0x4) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000040)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000000000000000000000700000004000000c803000000000000f801000000000000e0020000e0020000e002000004000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000aaaaaaaa00aa0000000000000000000000000000000000000000000000000000e0000002e00000020f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000300800200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) sendto$inet(r0, &(0x7f00009e9000), 0x0, 0x20000040, &(0x7f0000d17000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0x9}) read(r1, &(0x7f0000000080)=""/220, 0xdc) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0x0, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000040)=@int, &(0x7f0000000080)=0x4) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000040)=@int, &(0x7f0000000080)=0x4) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) [ 106.098206] [] ? __fget+0x20a/0x3b0 [ 106.103453] [] ? __fget+0x231/0x3b0 [ 106.108699] [] ? __fget+0x47/0x3b0 [ 106.114476] [] ? security_file_ioctl+0x89/0xb0 [ 106.120693] [] SyS_ioctl+0x8f/0xc0 [ 106.125870] [] ? do_vfs_ioctl+0x1140/0x1140 [ 106.131833] [] do_syscall_64+0x1a4/0x490 [ 106.137533] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000040)=@int, &(0x7f0000000080)=0x4) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0x9}) read(r1, &(0x7f0000000080)=""/220, 0xdc) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000040)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000000000000000000000700000004000000c803000000000000f801000000000000e0020000e0020000e002000004000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000aaaaaaaa00aa0000000000000000000000000000000000000000000000000000e0000002e00000020f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000300800200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) sendto$inet(r0, &(0x7f00009e9000), 0x0, 0x20000040, &(0x7f0000d17000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0x0, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) recvmsg(r4, &(0x7f0000000680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast2}}}, 0x32, &(0x7f0000000780)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000002c0)=""/251, 0xfb}, {&(0x7f00000003c0)=""/239, 0xef}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000000c0)=""/68, 0x44}, {&(0x7f0000000700)=""/103, 0x67}], 0x6, &(0x7f0000000140)=""/55, 0x37, 0x2}, 0x2) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000840)) 2018/02/26 09:33:16 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0x96, "42ff74688f0dd9d7f13fa7f6736d19ab35b58d36e4651981083eae367356680a8f0680690553d848bfb7aa6421723a9a15a4c4fa8248b20591eaaccb74c4e8b23c2054f76fbabdddb1de2d687f22c0fe913f0a825d47f9cb136298d9afcfc2d4f4bb2a8a5670a577f3dc24609d164bd2ca8d61fa5f3e115d81884d0c41e3be86425c5c684c03e64a6bfa2e6188300b7c98fc4e21af46"}, &(0x7f00000000c0)=0x9e) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f0000000100)={r1, 0xffff, 0x1d, "fdc29f9319d148d0655dc9d9eeb3a623576e4035b07228278174016354"}, 0x25) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0x9}) read(r1, &(0x7f0000000080)=""/220, 0xdc) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 3: r0 = syz_open_pts(0xffffffffffffffff, 0x26000) ioctl$TIOCSBRK(r0, 0x5427) r1 = socket$inet(0x2, 0x2, 0x0) r2 = memfd_create(&(0x7f0000000000)='proc\x00', 0x3) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000080)={0x8, &(0x7f0000000040)=[{}, {0x0}, {}, {}, {}, {}, {}, {}]}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r2, 0x4010641c, &(0x7f00000001c0)={r3, &(0x7f00000000c0)=""/243}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r4 = socket$packet(0x11, 0x2, 0x300) ioctl$EVIOCGMASK(r4, 0x80104592, &(0x7f0000000100)={0x17, 0xf1, &(0x7f0000000000)="e4098eb007f0cb4dd673e4ae237ec86b45841605fb1fd2227805ec1255fd83827e194e3b09b044c883ae1541a37784e9a2c6a3e37445c4b3d078b14b562a876dc10ac484a22721a507d98b6ee398dab75c1139f130b6a2ae07b005fba575e06afc56683c15e42bd65f107aba6bbf9459f50cc503c0220a4e12f6e21e0a8e78e213fba9401013db92cab5cd2543851cee2a8d358ea248bd1e50df9c6e4d9d62364d9ed9522050cebe483cb6321bd5fda9621f73bbe64e86396af6207ac80ec1639d877e30ce2b8a8499f4cb9771fd0a128fde971cec00e579188c4b60df55255cb32783a8c2d4d8a5c2abea4b8a49b14a59"}) setsockopt$packet_fanout(r4, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) write(r0, &(0x7f0000000000)="21f076f8772ec34a55deca205aafa8754125efe3216c9c5c4a919ebd435163f2ffcb938454274119ca5b85653bb493faf7d553aa29ee469789ff75b3dd52e2e52965d4732689fccc878bd05b6de87beb4ce5e1aa22b5b9c4f510bae4fadc4ee121cd5ebb226c0e96d85aaac885474b9a7f16e366611c5377a07d1a31ca80a3459b5f3cbffadbe03ae9cc6aa2cd22f933bede4f2fed48fb5fde878bc3f950f8c9294e27ea8ca31166fcf6980b357d333f5af92cbdc2cf0606bc4ff253393e9961a0af65932bbe97ff08c8895b0038ab8ac63611ff7b6c465b8624a8c53ce05cdc9263d70c5485d9baad6f819a", 0xec) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000000100)="6df6002ed5cbb2662b9d9218b37becc7ae1ac54683a66c0d88aec1da3506c3", 0x1f, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) pipe(&(0x7f0000000040)) 2018/02/26 09:33:16 executing program 4: getsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0x9}) read(r1, &(0x7f0000000080)=""/220, 0xdc) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0x9}) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7, 0x180) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000040)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000000000000000000000700000004000000c803000000000000f801000000000000e0020000e0020000e002000004000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000aaaaaaaa00aa0000000000000000000000000000000000000000000000000000e0000002e00000020f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000300800200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) sendto$inet(r0, &(0x7f00009e9000), 0x0, 0x20000040, &(0x7f0000d17000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:16 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) recvmsg(r4, &(0x7f0000000680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast2}}}, 0x32, &(0x7f0000000780)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000002c0)=""/251, 0xfb}, {&(0x7f00000003c0)=""/239, 0xef}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000000c0)=""/68, 0x44}, {&(0x7f0000000700)=""/103, 0x67}], 0x6, &(0x7f0000000140)=""/55, 0x37, 0x2}, 0x2) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000840)) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x2, 0x81) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) getsockopt$sock_linger(0xffffffffffffffff, 0x1, 0xd, &(0x7f0000000040), &(0x7f0000000080)=0x8) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000000c0)={0x0, 0x40, "256d555fe4e40bb9b45f5749695bd92ba21870ec1c123f261a76ce09770b83c84437ef616959c4e704499ecb657d44b6d4326b81da527934f97592bbbd3552f1"}, &(0x7f0000000140)=0x48) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000180)={r1, 0x7, 0x3f, 0x10001, 0x2, 0x6}, 0x14) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x4, 0x2, 0x7fff, 0xff, 0xd69, 0x6, 0x5, {0x0, @in6={{0xa, 0x1, 0xb25b, @mcast2={0xff, 0x2, [], 0x1}, 0x7}}, 0x6, 0x108000, 0xc928, 0x6, 0x5}}, &(0x7f0000000180)=0xb8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r2, 0x9}, 0x8) 2018/02/26 09:33:16 executing program 7: openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x82c0, 0x0) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x800000000, 0x0, 0xfffffffffffffffe}, 0x4) socket$inet(0x2, 0x4, 0xff) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140)=0x6) 2018/02/26 09:33:16 executing program 5: setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 5: setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 5: setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:16 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000040)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000000000000000000000700000004000000c803000000000000f801000000000000e0020000e0020000e002000004000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000aaaaaaaa00aa0000000000000000000000000000000000000000000000000000e0000002e00000020f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000300800200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) sendto$inet(r0, &(0x7f00009e9000), 0x0, 0x20000040, &(0x7f0000d17000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) 2018/02/26 09:33:16 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/02/26 09:33:16 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x5, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:16 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r2 = dup(r0) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getpeername$packet(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000080)=0x14) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f00000000c0)=[{0xfdac5e52dd8d1701}, {0x3, 0x8}, {0x2, 0x9}, {0x2, 0x2}, {0x8, 0x3}, {0x0, 0x8}, {0xa69a7804b7d1f325, 0x4}], 0x7) 2018/02/26 09:33:16 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:16 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) recvmsg(r4, &(0x7f0000000680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast2}}}, 0x32, &(0x7f0000000780)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000002c0)=""/251, 0xfb}, {&(0x7f00000003c0)=""/239, 0xef}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000000c0)=""/68, 0x44}, {&(0x7f0000000700)=""/103, 0x67}], 0x6, &(0x7f0000000140)=""/55, 0x37, 0x2}, 0x2) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000840)) 2018/02/26 09:33:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf212", 0x2c) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000), 0x0) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000), 0x0) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000), 0x0) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6d", 0x16) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6d", 0x16) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6d", 0x16) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) setsockopt$ARPT_SO_SET_REPLACE(r1, 0x0, 0x60, &(0x7f0000000040)=ANY=[@ANYBLOB="66696c74657200000000000000000000000000000000000000000000000000000700000004000000c803000000000000f801000000000000e0020000e0020000e002000004000000", @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000aaaaaaaa00aa0000000000000000000000000000000000000000000000000000e0000002e00000020f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000300800200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e465155455545000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) recvmsg(r4, &(0x7f0000000680)={&(0x7f0000000040)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @mcast2}}}, 0x32, &(0x7f0000000780)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000002c0)=""/251, 0xfb}, {&(0x7f00000003c0)=""/239, 0xef}, {&(0x7f00000004c0)=""/231, 0xe7}, {&(0x7f00000000c0)=""/68, 0x44}, {&(0x7f0000000700)=""/103, 0x67}], 0x6, &(0x7f0000000140)=""/55, 0x37, 0x2}, 0x2) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x7, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) recvmmsg(r1, &(0x7f0000002b80)=[{{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/242, 0xf2}, {&(0x7f0000000100)=""/105, 0x69}, {&(0x7f0000000180)=""/72, 0x48}, {&(0x7f0000000200)=""/225, 0xe1}, {&(0x7f0000000300)=""/78, 0x4e}], 0x5, &(0x7f0000000400)=""/169, 0xa9, 0x1}, 0x9}, {{&(0x7f00000004c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @empty}}}, 0x3a, &(0x7f0000000540)=[{&(0x7f0000000500)=""/49, 0x31}], 0x1, &(0x7f0000000580)=""/176, 0xb0, 0xea7}, 0x45b4}, {{0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000640)=""/254, 0xfe}, {&(0x7f0000000740)=""/49, 0x31}], 0x2, &(0x7f00000007c0)=""/70, 0x46, 0x7}, 0x215234fa}, {{&(0x7f0000000840)=@vsock={0x0, 0x0, 0x0, @my}, 0x10, &(0x7f0000002a80)=[{&(0x7f0000000880)=""/71, 0x47}, {&(0x7f0000000900)=""/4096, 0x1000}, {&(0x7f0000001900)=""/239, 0xef}, {&(0x7f0000001a00)=""/4096, 0x1000}, {&(0x7f0000002a00)=""/104, 0x68}], 0x5, &(0x7f0000002b00)=""/76, 0x4c, 0x8504}, 0xd66}], 0x4, 0x40000000, &(0x7f0000002c80)={0x77359400}) r2 = accept(r0, &(0x7f0000002d00)=@sco, &(0x7f0000002d40)=0x8) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000002d80)={0xfffffffffffffffe, 0x4, 0x9ffa}, 0xfffffffffffffdbb) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000002cc0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r3, 0xc0f85403, &(0x7f0000002d00)={{0xffffffffffffffff, 0x3, 0xc2a, 0x2, 0x6}, 0xfffffffffffffffd, 0x20, 'id1\x00', 'timer1\x00', 0x0, 0x6, 0x9, 0xdc9, 0x1394}) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) preadv(r0, &(0x7f0000000080)=[{&(0x7f0000000000)=""/105, 0x69}], 0x1, 0x0) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1, 0x200043) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) ppoll(&(0x7f0000000040)=[{r0, 0x1}, {r0, 0x8000}, {r2, 0x8000}, {r1, 0x2040}, {r2, 0x8}, {r2, 0x44}], 0x6, &(0x7f0000000080)={0x0, 0x989680}, &(0x7f00000000c0)={0x7}, 0x8) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x80044, 0x0) ioctl$PIO_UNIMAPCLR(r3, 0x4b68, &(0x7f0000000080)={0x1, 0x8, 0x7}) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de", 0x21) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de", 0x21) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de", 0x21) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43", 0x27) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43", 0x27) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43", 0x27) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02b", 0x2a) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02b", 0x2a) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02b", 0x2a) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r2 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r3, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000970ff0)=@common='gre0\x00', 0x10) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000300)=0x4) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0xfffffffffffffffe, &(0x7f0000fd9ff0)={0x2, 0x1, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x324) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf2", 0x2b) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r1 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) r2 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) ioctl$EVIOCSKEYCODE_V2(r2, 0x40284504, &(0x7f0000000040)={0x6, 0x9, 0x100, 0x6, "520a4cc3b2217bdba81fa2c92a7728e2e2ca41e89905451c92cf7dfe86c6155e"}) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r1 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x8001, 0xc0) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x0, 0x7) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) timer_create(0x7, &(0x7f0000000000)={0x0, 0x40, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000080)=0x0) timer_settime(r2, 0x1, &(0x7f00000000c0)={{}, {0x0, 0x989680}}, &(0x7f0000000100)) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x2, 0x0) ioctl$DRM_IOCTL_WAIT_VBLANK(r3, 0xc018643a, &(0x7f0000000180)={0x20000000, 0x1ffc00000000, 0x26}) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) fgetxattr(r1, &(0x7f0000000000)=@known='system.posix_acl_access\x00', &(0x7f0000000040)=""/4096, 0x1000) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000000)) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf2", 0x2b) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x80040000048f, &(0x7f0000000000)="0600008f04000000040fb8000000000000ffffffff6dd0d4000100a90000bcc1de84de4442ed43ffb02bf2", 0x2b) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x80, 0x0) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) r2 = accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) accept$netrom(r2, &(0x7f00000000c0)=@full, &(0x7f0000000140)=0x48) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r1 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) 2018/02/26 09:33:17 executing program 7: r0 = dup(0xffffffffffffff9c) getsockopt$inet_mreq(r0, 0x0, 0x27, &(0x7f0000000100)={@broadcast, @multicast1}, &(0x7f0000000140)=0x8) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000180)={'filter\x00', 0x7, 0x4, 0x3a0, 0xe8, 0x1d0, 0x0, 0x2b8, 0x2b8, 0x2b8, 0x4, &(0x7f0000000000), {[{{@arp={@local={0xac, 0x14, 0x0, 0xaa}, @local={0xac, 0x14, 0x0, 0xaa}, 0xffffffff, 0xff000000, @mac=@remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, {[0x0, 0x0, 0x0, 0xff, 0x0, 0xff]}, @mac=@remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, {[0x0, 0xff, 0x0, 0x0, 0x0, 0xff]}, 0x9, 0x90000000000, 0x1, 0x80000001, 0xcb0, 0x3, @syzn={0x73, 0x79, 0x7a, 0x0}, @common='bcsf0\x00', {}, {0xff}, 0x0, 0x40}, 0xc0, 0xe8}, @unspec=@STANDARD={0x28, '\x00', 0x0, 0xffffffffffffffff}}, {{@uncond, 0xc0, 0xe8}, @unspec=@NFQUEUE3={0x28, 'NFQUEUE\x00', 0x3, {0x5, 0x1, 0x3}}}, {{@uncond, 0xc0, 0xe8}, @unspec=@CONNSECMARK={0x28, 'CONNSECMARK\x00', 0x0, {0x2}}}], {{[], 0xc0, 0xe8}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x3f0) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4, 0x1}, 0x4) ioctl$TTUNGETFILTER(r0, 0x801054db, &(0x7f0000000040)=""/190) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) accept4(r1, &(0x7f0000000040)=@rc, &(0x7f0000000080)=0xa, 0x80000) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x3, 0x1, 0x9, 0xfffffffffffffffb, 0x7ff, 0x20, 0x8}, 0x0) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) fcntl$addseals(r0, 0x409, 0x5) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)={0x0}) getsockopt$ax25_int(r2, 0x101, 0xf, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) socket$inet(0x2, 0xfffffffffffffffb, 0x4000000000000001) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) r2 = fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)=0x0) rt_tgsigqueueinfo(r2, r3, 0x8, &(0x7f0000000100)={0x3a, 0x2, 0x9, 0x4d}) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={0x0, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x2, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x2, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) fcntl$getown(r1, 0x9) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={0x0, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x8, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0106426, &(0x7f0000000040)={0x20000000000001a0, &(0x7f0000000080)=[{}, {}, {0x0}, {}]}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r2, 0x4010641c, &(0x7f0000000180)={r3, &(0x7f0000000100)=""/73}) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x290880, 0x0) setsockopt(r1, 0x45bb229c, 0x1f, &(0x7f0000000040)="67687a8fffa00f3d139fda1554dfa800c45d375ec0515f4b0dd31f3dff9efa9cb041eafbc141f3e59b0ecd96080239aa500ea77aa29b244e932896", 0x3b) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000040)={0xfffffffffffff575, 0x8, 0x4d1, 0x2, 0x0}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000000c0)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r3, 0x8}, &(0x7f0000000100)=0x8) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) 2018/02/26 09:33:17 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 2: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu}) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)={0x0}) getsockopt$ax25_int(r2, 0x101, 0xf, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:17 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)={0x0}) getsockopt$ax25_int(r2, 0x101, 0xf, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) fcntl$addseals(r0, 0x409, 0x5) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) socket$packet(0x11, 0x2, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) fcntl$getown(r1, 0x9) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={0x0, 0x2, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 0: r0 = socket$inet(0x2, 0x6, 0x8000000000000004) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x90c02, 0x0) epoll_wait(r1, &(0x7f0000000040)=[{}, {}, {}, {}, {}], 0x5, 0x1) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc), 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x533}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={r3, 0x2}, 0xc) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)={0x0}) getsockopt$ax25_int(r2, 0x101, 0xf, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:17 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x2040, 0x0) ioctl$KDSKBMODE(r1, 0x4b45, &(0x7f0000000040)=0x6) ioctl$EVIOCGKEY(r1, 0x80404518, &(0x7f0000000040)=""/68) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r1, &(0x7f00000000c0), 0x0, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) fcntl$addseals(r0, 0x409, 0x5) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000040)=""/81) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x0, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)={0x0}) getsockopt$ax25_int(r2, 0x101, 0xf, &(0x7f0000000080), &(0x7f00000000c0)=0x4) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) fcntl$addseals(r0, 0x409, 0x5) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x4, 0x0) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0xa6) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f0000000040)) 2018/02/26 09:33:17 executing program 0: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) setsockopt$inet_group_source_req(r0, 0x0, 0x2f, &(0x7f0000000040)={0x100000000, {{0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}}, {{0x2, 0x0, @multicast1=0xe0000001}}}, 0x118) ioctl$GIO_UNISCRNMAP(r0, 0x4b69, &(0x7f0000000180)=""/245) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r1, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x0, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 3: setsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(0xffffffffffffffff, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x420400, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000040)) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r2 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) 2018/02/26 09:33:17 executing program 4: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x10000000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) socketpair$ax25(0x3, 0x7, 0xcb, &(0x7f0000000040)) 2018/02/26 09:33:17 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) fcntl$addseals(r0, 0x409, 0x5) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x4}, 0x4) 2018/02/26 09:33:17 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) 2018/02/26 09:33:17 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu}) 2018/02/26 09:33:17 executing program 6: timer_create(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, @thr={&(0x7f0000000000), &(0x7f00000000c0)}}, &(0x7f0000000200)) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000040)=[@in6={0xa, 0x2, 0x268500000000, @empty, 0x2d}, @in6={0xa, 0x0, 0x3, @empty, 0x41}, @in={0x2, 0x1, @broadcast=0xffffffff}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @loopback=0x7f000001}], 0x68) timer_getoverrun(0x0) add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a}, &(0x7f00000002c0), 0x0, 0xfffffffffffffff9) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000000c0)) sync() perf_event_open(&(0x7f0000000600)={0x1, 0x78, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x5817, 0x144, 0x8, 0x6, 0x7, 0x5, 0x0, 0x0, 0x1000, 0x8001, 0x0, 0x0, 0x0, 0x4, 0x200800000, 0x10001, 0x71a, 0x0, 0xff, 0x0, 0x0, 0x7ff, 0x2, 0x41, 0x0, 0x0, 0xad, 0x0, 0xdd, 0x0, 0x10001, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000005c0)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f}, 0x0, 0x0, 0xffffffffffffffff, 0x6) ptrace$poke(0xffffffffffffffff, 0x0, &(0x7f00000006c0), 0xffffffff) 2018/02/26 09:33:17 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00006a4ff8)='./file0\x00', 0x4) mkdir(&(0x7f00000001c0)='./file0/file0\x00', 0xd) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) mount(&(0x7f0000038ff8)='./file0\x00', &(0x7f0000022000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000038000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @broadcast=0xffffffff}}, [0xe94, 0x100000000, 0x2, 0x100000001, 0x7, 0x200, 0x4, 0x3, 0x9, 0xf7, 0x3ff, 0x20, 0x87, 0xf8, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x0, 0x8}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000eae000)=[@in6={0xa, 0x3, 0x7013, @loopback={0x0, 0x1}, 0x3ff}, @in={0x2, 0x1, @loopback=0x7f000001}, @in={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x69}, &(0x7f0000000080)=0xc) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f00000000c0)={r5, 0x400}, 0x8) r6 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r6, &(0x7f000085b000)={0xa, 0x3, 0x1000000000000, @loopback={0x0, 0x1}, 0x4000000007}, 0x1c) r7 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r7, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r6, {0x2, 0x1, @multicast2=0xe0000002}, 0x3, 0x0, 0x2}}, 0x2e) 2018/02/26 09:33:17 executing program 3: r0 = socket$inet(0x2, 0x0, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x0, @rand_addr}, 0x10) 2018/02/26 09:33:17 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x8, 0x80000) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x200) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)=ANY=[@ANYBLOB="0b00520003082002000600d8ff"]) mknod$loop(&(0x7f00007d2000)='./file0\x00', 0x6000, 0x1) r1 = accept4$llc(0xffffffffffffff9c, &(0x7f0000a3c000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00009b6000)=0x10, 0x80000) recvfrom(r1, &(0x7f0000af3000)=""/68, 0x44, 0x2000, 0x0, 0x0) r2 = memfd_create(&(0x7f0000afd000)='wlan1\x00', 0x0) r3 = accept4$inet(r2, &(0x7f00008db000)={0x0, 0xffffffffffffffff, @dev}, &(0x7f000056affc)=0x10, 0x80000) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f000077e000)={0x1}, 0x4) perf_event_open(&(0x7f000025c000)={0x5, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0,