[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.879172] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.310694] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [ 20.552021] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [ 21.533539] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available) Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts. [ 26.890010] random: nonblocking pool is initialized 2018/02/05 08:39:35 fuzzer started 2018/02/05 08:39:35 dialing manager at 10.128.0.26:44803 2018/02/05 08:39:39 kcov=true, comps=false 2018/02/05 08:39:40 executing program 0: r0 = dup3(0xffffffffffffff9c, 0xffffffffffffff9c, 0x80000) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) fsetxattr(r0, &(0x7f00003c4000-0x21)=@random={'user.', 'systemeth1&ppp0vboxnet1/^\\-\x00'}, &(0x7f0000000000)='@em0[(self:bdevmd5sum^\x00', 0x17, 0x2) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_buf(r0, 0x0, 0x33, &(0x7f0000002000-0x53)="7fa1aabaed7f626e982204f3acd539b5eb56056be42fe8f2c6042032fa9d5167fecf56c912e6e8be477a87674d45e9c082194ad91f87ce1ce9fba7aa38ef2a675d7fb3d6071f1bc1c28463dff8b9fab064ccc4", 0x53) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000003000-0x8)={0x0, 0x0}) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000002000-0x2)={0x7, 0x493}) timerfd_gettime(r2, &(0x7f0000001000)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000002000)={0x80, 0xfffffffff05ea227, 0x3, 0x7f, 0x0, 0x1e96, 0x2, 0x4, 0x0}, &(0x7f0000003000)=0x20) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000003000)={r3, 0x4dc, 0x9f1, 0x982}, &(0x7f0000003000)=0x10) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r5 = add_key$keyring(&(0x7f0000004000)='keyring\x00', &(0x7f0000002000)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xffffffffffffffff) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r6 = add_key$keyring(&(0x7f0000005000-0x8)='keyring\x00', &(0x7f0000002000)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$reject(0x13, r5, 0x7, 0x9, r6) openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000004000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) keyctl$unlink(0x9, r6, r5) ioctl$sock_SIOCGSKNS(r2, 0x894c, &(0x7f0000003000)=0x6) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$KDGKBMETA(r1, 0x4b62, &(0x7f0000005000)) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000006000)={r4, 0x40, 0x6, 0x3, 0x5, 0x80000001, 0x8, 0xe56, {r4, @in6={{0xa, 0x3, 0xcf, @mcast2={0xff, 0x2, [], 0x1}, 0x9}}, 0x80000001, 0x200800000000, 0x6, 0x6f0a, 0x6}}, &(0x7f0000001000-0x4)=0xb8) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000007000)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000008000-0xa0)={r7, @in6={{0xa, 0x3, 0x3, @empty, 0x688}}, 0x1, 0xfff8000000000000, 0x800, 0x4}, &(0x7f0000007000-0x4)=0xa0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000003000)='/dev/sequencer2\x00', 0x81, 0x0) 2018/02/05 08:39:40 executing program 7: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000001000-0x9)='/dev/rtc\x00', 0x20040, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000e81000)={0xffffffff00000000, 0x10000, 0x201, 0x8, 0x4, 0x80, 0x0, 0x736, 0x0}, &(0x7f00002a9000)=0x20) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000e65000-0xa8)={r1, 0xa0, "b0d7864b478b0086656c951b357e3a1812ce803af37e0596755a09ef784f395398f6339286e612d17748b1f623e9462b5177140e4af58e40e4a98661b68ebfd16b0fde9f88e00bd538b80324383ded485c918f5dd9d80cb3a1c92649b84e36a25a0e9153c8d5c4bdd65db9e86709d6fe7c91ff3fc3ea7445d628cc08591932b342d3553d0ff5fe2f17d7c06553c94499e778f9d5529678c342a6965839b3ea02"}, &(0x7f0000001000-0x4)=0xa8) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) timer_create(0x7, &(0x7f0000002000-0x60)={0x0, 0x0, 0x5, @thr={&(0x7f0000001000-0x80)="29cbe77ec8cf39a5ce45e49aaa3cdc78c0c81e85fcc4942f658b56149ee597ec443c403f2583ef5232ee1de0a8814da137f1739928c3b282d31e9bdafe06b7491e127fa24ed0b7cca85ff4990444cde6e8b1949837d13980ed55a59cc0a5f6a43239da538fe3123414e446d75dc1a62d9340dc3b73a73ddf00a0fc3f90656de7", &(0x7f0000001000-0xcd)="dc1ad781f2f61a1eb37bd4682b45210acca028444cd4ca5881d47cd2a678d9015c91ea2d900d77fa8a7208d181fce930626144b85063052fbab651e23e4421ab4af5299899ad07af2408e1247c9df84f60d1d8041a8ef175d7a145d8fad73f686dc996865e339c50b60d877e22b01392d69cab9cc69fae38f8c57bc55b8a7078889ba0acdacdc50b7d97572309b8c86fa4fec23c7d7bcc8b67bb2815c15bd6c58339bc629758c4909a44d7174c372735ce402594c9a6789e25447e5c9b58be38d1484653bb1f43c4362c635b85"}}, &(0x7f0000001000-0x4)=0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000001000)={0x0, 0x0}) timer_settime(r2, 0x0, &(0x7f0000000000)={{r3, r4+30000000}}, 0x0) ioctl$TIOCGETD(r0, 0x5424, &(0x7f0000001000-0x4)) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) splice(r0, &(0x7f0000002000), r0, &(0x7f0000002000)=0x39, 0x5, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000002000)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getpeername$inet(r0, &(0x7f0000002000-0x10)={0x0, 0xffffffffffffffff, @empty}, &(0x7f0000004000-0x4)=0x10) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000004000), &(0x7f0000000000)=0x4) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000005000)={@common='bridge0\x00', @ifru_addrs={0x2, 0x2, @empty}}) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000007000-0x20)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_addrs={0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}}) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sendmsg(r0, &(0x7f0000007000)={&(0x7f0000005000-0x10)=@nfc={0x27, 0x70e7, 0x100, 0x7}, 0x10, &(0x7f0000008000-0x20)=[{&(0x7f0000001000-0xd3)="d5661908e8e04765641506c215b40460917aab391f186b1991f616825b316701e5ab6b76d97ee70d385040382c77e5e93846eb8c19946b5bbf474c26b32f445ff84bda4d63945007f853eedd1a6b0b8cb94da6ca86deaa9bcd34382a528ba64daf47eb07388613a887a8b409e8141aacbb2f41ba42a8adf6f9f5c5b550291ed8b461b984bdf783d72b62cfedb165b1deeb5bb42afd050863b761fa832ce381593ce9c3e08f2283704ac63bda8b083d85fee2ca2a3a0b3f79b454a832fbfc3f21a5d3f0409a61202c5348d6407632ee936bd4af", 0xd3}, {&(0x7f0000002000)="42e40c6158238339a4978a08e7721cc1a35c4b8f60696818e14c3c17d14b3448d576abcc58e11bd94384d07a1a3ccaed3da7cdbba510c0f85204115848b11f697ea4f737ec5549398b52eba18ce1019ff029b2d2123eef7f085c7e08af1b92aafeefee71243d60ae93d05b05a12f0c079915113130c79c830103a3bd0893124376cfbb68812734a17ba87c900a1766fe658dfdbaecd07d65fb7e133d07c6383d504e2da70d5899", 0xa7}], 0x2, &(0x7f0000006000-0x240)=[{0x108, 0x0, 0x10001, "142ff5abf32b5d415e807d56dfffb91dffa53347e68743ceee3c365588051e9e5aa105bb0d45ac2d025400d1f82d8f61c0555de699646b9e1a08b69e2138dbc030f7c92d8e623cb56e0a6d6db5af5e007bae09a18d8f6acad1e9885b32f38951a6d9654ef2803f6dbd5b811e6ef7d0751a9c91e5a39ceb6b05037328a5b8b21009d6cfeb93aa1395263f7aa8b92afdda774260aca730ab867b463e545368ea92ddccd320f4507485ffa832599e3ed2efcb68f840a0a64f9b8d193b1c42a05e639fa2a6f6d407cda6951910049c039c0aec83046df7284938e46f6ce2b8af4db5c795fb23a95c14e7e92e22eeb529d07258912415fe88"}, {0xb0, 0x109, 0x401, "935e6fb03a96dbc738bee64ecc0e875aa880fca3461a3b5cc98c09102ca584a4dd50cf151ac06e217ae28404d0f025d7e1b4ad42b5fab616176ead8c276e49a4690254e08e2a21ef44268f5282f15f7d277ba058f1312967d3bb4b58106489fe80b66c58ee89edf6b46ae1971bb769e1c85cd599b9bb1af8c598071d51c1fbb026dc0b99f7451d67024295cd78a8f2aa6bf7fb3edc80530c582d0d138dd9246d"}, {0x88, 0x11d, 0x1, "9bc53ff0e297acbf155f119a727f8b0f079cb42c89751cfb67e6fa56f686242fdebadf71e311af9a613b2ad0fdee07ae62353423d776cc4170d1c5b61b440139575476fdc39986c6bafb6d126ebe854e7a08acb6bffd786bfaa0e2eda624af50e941c36b774a4fa80cf8ff5b6a4fd0b144633c9240"}], 0x240, 0x8000}, 0x10) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000002000-0x20)={@generic="004f0462dfa7edea9203275e236f08b5", @ifru_flags=0x1}) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r0, 0x111, 0x3, 0x1, 0x4) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) recvfrom$llc(r0, &(0x7f0000006000)=""/46, 0x2e, 0x2, &(0x7f0000009000-0x10)={0x1a, 0x4, 0x57cb, 0xcc, 0x9, 0x1, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x10) 2018/02/05 08:39:40 executing program 3: r0 = dup3(0xffffffffffffffff, 0xffffffffffffff9c, 0x80000) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x4058534c, &(0x7f0000000000)={0x23ef, 0xfffffffffffffff8, 0x6, 0x70728d7, 0x8}) ioctl$void(r0, 0x5451) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000001000)={0x0, 0x94, "0a1b96fdcb888c27536acb024c116461c5362f23d356abef68436623ff1135876b02e399ee320b27a8f1943e2080c544b816373973e868e9262dd2b0c631be3af72e0e633abea377b3f250e9c7ef71da6fd3a12d0b43808f2f8ab123e850b8d21825115587d6815e5a8b4bcbb74faef25e34743365fbbc151d002934a355a968a1644c69f2ef783d3285270b2b312f246896d0dc"}, &(0x7f0000002000-0x4)=0x9c) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000001000)={r1, @in6={{0xa, 0x3, 0x20, @empty, 0x5}}}, &(0x7f0000002000-0x4)=0x8c) getsockname$ipx(r0, &(0x7f0000002000-0x10), &(0x7f0000001000-0x4)=0x10) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000002000)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000003000)) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000002000)={r1, @in={{0x2, 0x0, @multicast2=0xe0000002}}}, 0x8c) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TIOCMGET(r0, 0x5415, &(0x7f0000005000-0x4)) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000006000-0x4), &(0x7f0000004000-0x4)=0x4) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000004000-0x20)={0x4720, 0x0, 0x10002, 0x100000000}) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000007000-0x20)={0x3, r2, 0x0, 0x9}) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000008000-0xde)=""/222) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) get_thread_area(&(0x7f0000009000-0x10)={0x5, 0xffffffff, 0xffffffff, 0x848, 0x1, 0x0, 0x100000001, 0xffff, 0x7fffffff}) mmap(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) accept4$packet(r0, &(0x7f000000a000-0x14)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f000000a000-0x4)=0x14, 0x80000) mmap(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sendmsg$nl_route(r0, &(0x7f0000002000-0x38)={&(0x7f000000a000-0xc)={0x10, 0x0, 0x0, 0x820}, 0xc, &(0x7f000000a000-0x10)={&(0x7f0000005000+0xdd9)=@mpls_delroute={0xa4, 0x19, 0x100, 0x3, 0x0, {0x1c, 0x0, 0x20, 0x1, 0xfd, 0x0, 0xfe, 0x9, 0x400}, [@RTA_DST={0x8, 0x1, [{0x8001, 0x7, 0x94}]}, @RTA_DST={0x28, 0x1, [{0x5, 0x10000, 0x101, 0x675}, {0x7, 0x2, 0x8, 0x9}, {0xeca5, 0xd959, 0x8, 0x100}, {0x1, 0x3, 0x9db, 0xffff}, {0x4, 0x6, 0x8165}, {0x6, 0x8000, 0x0, 0x80}, {0x9, 0xfffffffffffffffe, 0x100, 0x8}, {0x8, 0x800, 0x3, 0xffffffffffffff3e}, {0xfffffffffffffffd, 0x5, 0x94}]}, @RTA_DST={0x20, 0x1, [{0x9, 0x9, 0x7, 0xb}, {0x1f, 0x1f, 0x401, 0xc9a}, {0x0, 0x6, 0x7, 0x7}, {0x3, 0x0, 0x0, 0x2}, {0x3, 0x10001, 0x5, 0x8}, {0x7, 0x3, 0xad68, 0x7fffffff}, {0x0, 0x8, 0x8, 0x3}]}, @RTA_OIF={0x8, 0x4, r3}, @RTA_TTL_PROPAGATE={0x8, 0x1a, 0x8}, @RTA_TTL_PROPAGATE={0x8, 0x1a, 0x8}, @RTA_DST={0x10, 0x1, [{0xe3ba, 0x2fa, 0x8, 0x8}, {0x2, 0x9, 0x2}, {0x1ff, 0x6, 0x0, 0xfffffffffffffffa}]}, @RTA_TTL_PROPAGATE={0x8, 0x1a, 0xffffffffffffffff}, @RTA_TTL_PROPAGATE={0x8, 0x1a, 0x1}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8000}, 0x4008801) 2018/02/05 08:39:40 executing program 4: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f000041b000)='/dev/autofs\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000001000-0x4)=0x14) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x32, &(0x7f0000001000-0x14)={@mcast1={0xff, 0x1, [], 0x1}, r2}, 0x14) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000002000-0x10)={0x0, 0x48, &(0x7f0000002000-0x48)=[@in6={0xa, 0x0, 0xb5, @ipv4={[], [0xff, 0xff], @rand_addr=0x8}, 0x9}, @in={0x2, 0x2, @multicast1=0xe0000001}, @in6={0xa, 0x1, 0x101, @loopback={0x0, 0x1}, 0x2}]}, &(0x7f0000001000)=0x10) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000002000-0x4)=r3, 0x4) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000002000)=[@in={0x2, 0x1, @broadcast=0xffffffff}], 0x10) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r0, 0x80045400, &(0x7f0000000000)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000003000)={r3, 0x6}, 0x8) ftruncate(r0, 0x2) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet6_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000004000)={@dev={0xfe, 0x80, [], 0x0, 0x11}, 0x1, r2}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000002000-0x8)={r3, 0x4ee}, 0x8) fcntl$getownex(r0, 0x10, &(0x7f0000003000)={0x0, 0x0}) getresuid(&(0x7f0000003000)=0x0, &(0x7f0000004000-0x4), &(0x7f0000004000-0x4)) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) stat(&(0x7f0000005000)='./file0\x00', &(0x7f0000002000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={r4, r5, r6}, 0xc) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r7 = creat(&(0x7f0000006000)='./file0\x00', 0x40) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGBITSW(r7, 0x80404525, &(0x7f0000007000)=""/209) 2018/02/05 08:39:40 executing program 1: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) lremovexattr(&(0x7f0000001000-0x8)='./file0\x00', &(0x7f000010b000-0x15)=@known='system.sockprotoname\x00') mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000001000)='./file0\x00', 0xe2b2d05c2c03f1c1) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(r0, 0x40106410, &(0x7f0000002000)={0xfd, &(0x7f0000002000+0xdb9)="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"}) getpeername$packet(r0, &(0x7f0000002000-0x14)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000002000)=0x14) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet6_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000003000)={@remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x20, r1}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000005000-0x8)={0x0, 0x5}, &(0x7f0000004000)=0x8) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000004000)={r2, 0x41, 0x1, 0x401}, &(0x7f0000004000)=0x10) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r3 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x8, 0x4000) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000007000-0x4)={0x80000001}, 0x4) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockname$unix(r3, &(0x7f0000006000)=@abs, &(0x7f0000008000-0x4)=0x8) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000006000-0x8)) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r4 = accept$packet(r0, &(0x7f0000009000-0x14)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000004000)=0x14) setsockopt$packet_tx_ring(r4, 0x107, 0xd, &(0x7f0000000000)=@req={0x8, 0x1, 0xae82, 0x7}, 0x10) ioctl$DRM_IOCTL_RM_MAP(r0, 0x4028641b, &(0x7f0000006000-0x28)={&(0x7f0000000000/0x1000)=nil, 0x1, 0x0, 0x0, &(0x7f0000001000/0x3000)=nil, 0xffff}) mmap(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(r3, 0xc0206416, &(0x7f0000009000)={0x4, 0x1, 0x81, 0x100000000, 0x4, 0x3ff}) mmap(&(0x7f000000a000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) syz_open_dev$evdev(&(0x7f000000b000-0x12)='/dev/input/event#\x00', 0x7ff, 0x0) 2018/02/05 08:39:40 executing program 2: r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f00008ad000-0xd)='/selinux/mls\x00', 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f00004e4000)={0x0, @in6={{0xa, 0x1, 0x406a, @loopback={0x0, 0x1}, 0x100000000}}}, &(0x7f0000001000-0x4)=0x8c) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000733000)={r2, 0x2}, &(0x7f0000ea5000)=0x8) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000001000-0x14)={0x8, [0x4240, 0x20, 0x4, 0x7f, 0x98, 0x48, 0x4, 0x2]}, 0x14) sync() mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000002000-0x10)) ioctl$KDGKBDIACR(r0, 0x4b4a, &(0x7f0000001000)=""/152) sendto$inet(r0, &(0x7f0000001000)="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", 0x1000, 0x20000001, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000001000-0x4)=0x3, 0x4) ioctl$VT_DISALLOCATE(r0, 0x5608) ioctl$EVIOCGSW(r0, 0x8040451b, &(0x7f0000001000)=""/63) pread64(r0, &(0x7f0000001000)=""/250, 0xfa, 0x0) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000000)={0x3, {0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, {0x2, 0x0, @local={0xac, 0x14, 0x0, 0xaa}}, 0x10, 0x7f, 0x5, 0x3f, 0x8d7d, 0x0, 0x7f, 0x4, 0x80}) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000002000)={@multicast1=0xe0000001, @remote={0xac, 0x14, 0x0, 0xbb}, 0x1, 0x6, [@remote={0xac, 0x14, 0x0, 0xbb}, @remote={0xac, 0x14, 0x0, 0xbb}, @empty, @multicast1=0xe0000001, @empty, @remote={0xac, 0x14, 0x0, 0xbb}]}, 0x28) r4 = openat$selinux_context(0xffffffffffffff9c, &(0x7f0000002000)='/selinux/context\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000002000-0x4)=r2, 0x4) fallocate(r4, 0x0, 0x10001, 0x100000000) fgetxattr(r4, &(0x7f0000003000-0x11)=@known='security.selinux\x00', &(0x7f0000000000)=""/203, 0xcb) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000004000-0x10)="cab0672b4db65673e9caa631334b64ba", 0x10) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000004000)={r3, 0x5, 0x20}, 0xc) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) accept4(r0, &(0x7f0000005000)=@ax25, &(0x7f0000004000-0x4)=0x10, 0x800) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={r2, 0x1f, 0x5, 0xdfe2, 0x2, 0x3}, 0x14) 2018/02/05 08:39:40 executing program 5: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000659000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f0000000000)=0x10000, &(0x7f0000001000-0x4)=0x4) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000)=0x101, 0x4) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) openat$selinux_member(0xffffffffffffff9c, &(0x7f0000002000-0x10)='/selinux/member\x00', 0x2, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000003000-0x4)=0x3ff, 0x4) fanotify_init(0x21, 0x800) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000001000-0x8)={0x0, 0x4}, &(0x7f0000002000-0x4)=0x8) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000000)=@assoc_id=r1, 0x4) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) syz_open_dev$random(&(0x7f0000004000-0xc)='/dev/random\x00', 0x0, 0x8000) pipe(&(0x7f0000002000)={0x0, 0x0}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000002000-0x4), &(0x7f0000002000-0x4)=0x4) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r3, 0x84, 0x21, &(0x7f0000004000), &(0x7f0000004000)=0x4) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r4 = openat$selinux_relabel(0xffffffffffffff9c, &(0x7f0000005000)='/selinux/relabel\x00', 0x2, 0x0) unlinkat(r0, &(0x7f0000004000-0x8)='./file0\x00', 0x0) read(r4, &(0x7f0000005000)=""/17, 0x11) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f0000005000), &(0x7f0000007000-0x4)=0x4) ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, &(0x7f0000007000-0x4)) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCOUTQNSD(r3, 0x894b, &(0x7f0000008000-0x4)) mmap$binder(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x2000000, 0x44810, r0, 0x11) epoll_create1(0x0) 2018/02/05 08:39:40 executing program 6: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_member(0xffffffffffffff9c, &(0x7f0000001000-0x10)='/selinux/member\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) pwrite64(r0, &(0x7f0000000000)="5911f32623664291b94e09966691662670ef5076e81cac682a006dd2480767263e486dd5801d39b1f118f0002a9e7e01d6c5dd7ccff78307a58853c210381665777fb6d21b68c11e8653c78f535b62c946efd38ed70cd806b18e1c637d93ba09a4f6e2b2a2cde2e841c20896bb246b822781a6fe8466cfb9ef93f773258601d785af7c5f8017e0cde8048ebd06cf4e9e1ff9592143a3bfa978a6e9429c787980be18b71dc4e232f5283b27eaf7a0ef328076e6d4cfb7d4dda20bfdf6be0491c6a479435e464dfac2f388f3fa833468d3aff57755744c070f8ec9d135433b35469566bf92c15fdb4d3567862cfc39bd0e31e43e", 0xf3, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGID(r1, 0x80084502, &(0x7f0000002000-0x92)=""/146) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000003000-0x10)={0x2, 0x8, 0x7fffffff}) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000004000-0x8)=0x5) prctl$setfpexc(0xc, 0x10001) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x11, &(0x7f0000005000-0x4)=0xfffffffffffffffb, 0x4) close(r1) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000005000-0xc)={0x0}, &(0x7f0000005000)=0xc) r3 = syz_open_procfs(r2, &(0x7f0000001000-0x7)='ns/uts\x00') setsockopt$inet_sctp_SCTP_RECVRCVINFO(r3, 0x84, 0x20, &(0x7f0000005000), 0x4) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000004000)={&(0x7f0000003000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$VT_GETSTATE(r1, 0x5603, &(0x7f0000006000)={0x6, 0x10000, 0xc39ef4d}) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000007000-0xa0)={0x0, @in6={{0xa, 0x0, 0x7c4e, @empty, 0xfffffffffffffffe}}, 0x1f, 0x2, 0x54, 0x1, 0x8}, &(0x7f0000007000)=0xa0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000005000-0x8)={r4, 0x4}, &(0x7f0000002000)=0x8) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r3, 0xc0086420, &(0x7f0000009000-0x8)={0x0}) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_SET_SAREA_CTX(r1, 0x4010641c, &(0x7f0000008000)={r5, &(0x7f0000008000)=""/59}) [ 31.537380] IPVS: Creating netns size=2552 id=1 [ 31.585122] IPVS: Creating netns size=2552 id=2 [ 31.625196] IPVS: Creating netns size=2552 id=3 [ 31.698120] IPVS: Creating netns size=2552 id=4 [ 31.759491] IPVS: Creating netns size=2552 id=5 [ 31.828600] IPVS: Creating netns size=2552 id=6 [ 31.924854] IPVS: Creating netns size=2552 id=7 [ 32.018504] IPVS: Creating netns size=2552 id=8 [ 32.142329] ip (3978) used greatest stack depth: 24920 bytes left 2018/02/05 08:39:42 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) unshare(0x20020000) mknod$loop(&(0x7f0000211000)='./file0\x00', 0x0, 0xffffffffffffffff) r0 = dup3(0xffffffffffffff9c, 0xffffffffffffffff, 0x80000) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000f3a000-0x28)={@common='ip6_vti0\x00', 0x0}) fchmod(r0, 0x15d) ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f00004c5000-0x46)={@remote={0xfe, 0x80, [], 0x0, 0xbb}, @mcast1={0xff, 0x1, [], 0x1}, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x0, 0xaa}}, 0x7, 0x7, 0x5, 0x500, 0x3, 0x100, r1}) mount(&(0x7f00006e1000)='./file0\x00', &(0x7f0000027000)='./file0\x00', &(0x7f00004fe000)='ocfs2_dlmfs\x00', 0x105403, &(0x7f0000a52000)) poll(&(0x7f0000cf4000)=[], 0x0, 0x7f) ioctl$sock_ipx_SIOCAIPXITFCRT(r0, 0x89e0, &(0x7f0000b5a000)) unlink(&(0x7f0000934000-0x8)='./file0\x00') creat(&(0x7f00009d9000-0x8)='./file0\x00', 0x0) 2018/02/05 08:39:43 executing program 4: r0 = socket$inet6(0xa, 0x802, 0x0) sendto$inet6(r0, &(0x7f000041c000-0xb1)="8c", 0x1, 0xfffffffffffffffe, &(0x7f00003ef000-0x1c)={0xa, 0x3, 0x0, @dev={0xfe, 0x80}}, 0x1c) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f00004f5000)='/selinux/policy\x00', 0x0, 0x0) recvfrom$llc(r1, &(0x7f00007fa000)=""/126, 0x7e, 0x10000, 0x0, 0x0) 2018/02/05 08:39:43 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f000063b000-0x28)={@syzn={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000db8000)=@ethtool_ts_info={0x41}}) mmap(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x0, 0x8972, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000a94000/0x2000)=nil, 0x2000, 0xa) clone(0x0, &(0x7f0000001000-0x1), &(0x7f0000001000-0x4), &(0x7f000039f000), &(0x7f0000000000)) 2018/02/05 08:39:43 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000048000-0x10)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x1, &(0x7f0000778000)=0xfffffffffffffffe, 0x4) openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000f01000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) 2018/02/05 08:39:43 executing program 4: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000012000)='vboxnet0$&wlan1wlan1selinux*posix_acl_accessposix_acl_accessselinuxppp0\x00', 0x1) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) bind$netlink(r0, &(0x7f0000001000-0xc)={0x10, 0x0, 0x2, 0x8000020}, 0xc) r1 = userfaultfd(0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000001000-0x18)={0xaa, 0x9}) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) utimensat(0xffffffffffffffff, &(0x7f0000001000-0x8)='./file0\x00', &(0x7f0000012000-0x20), 0x0) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r1, 0xc020aa04, &(0x7f0000003000)={&(0x7f0000011000/0x2000)=nil, 0x2000}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000001000/0x3000)=nil, 0x3000}, 0x3}) 2018/02/05 08:39:43 executing program 7: mmap(&(0x7f0000000000/0xd22000)=nil, 0xd22000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f000099a000)=""/14) setsockopt$inet6_tcp_int(r0, 0x6, 0x5, &(0x7f0000d18000-0x4)=0x8, 0x4) getsockopt$inet6_tcp_int(r0, 0x6, 0x5, &(0x7f00001dd000-0x4), &(0x7f0000d22000-0x4)=0x4) 2018/02/05 08:39:43 executing program 7: syslog(0xa, &(0x7f0000014000-0xf9)=""/249, 0xffffffffffffffd2) r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) accept$inet(r0, &(0x7f0000001000-0x10)={0x0, 0xffffffffffffffff, @empty}, &(0x7f0000c63000)=0x10) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2000, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x0, &(0x7f0000042000)=0x2, 0x4) ioctl$KDGETMODE(r1, 0x4b3b, &(0x7f0000000000)) 2018/02/05 08:39:43 executing program 7: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000001000-0x9)='/dev/sg#\x00', 0x43d5, 0x400000) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_AGP_ENABLE(r0, 0x40086432, &(0x7f0000000000)=0x6) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000027000)='./file0\x00', 0x0) mount(&(0x7f0000b29000-0x8)='./file0\x00', &(0x7f00008f9000-0x8)='./file0\x00', &(0x7f0000b4f000-0x7)='proc\x00', 0x1000000001, 0x0) getgroups(0x3, &(0x7f0000d19000-0xc)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0]) fstat(r0, &(0x7f000065c000)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000e19000-0x6)=@assoc_value, &(0x7f0000dfd000-0x4)=0x8) lchown(&(0x7f00000c9000-0x8)='./file0\x00', r2, r1) getsockopt$netlink(r0, 0x10e, 0xa, &(0x7f0000e22000)=""/30, &(0x7f0000527000)=0x1e) mmap(&(0x7f0000000000/0xc000)=nil, 0xc000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r3 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r3, &(0x7f000000c000-0x38)={&(0x7f0000000000)=@nl=@proc={0x10}, 0xc, &(0x7f0000002000)=[{&(0x7f0000001000)="5500000018007fafb72d1cb2a4a280930206000000a843096c2623692500080021000a000000ca8a9848a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x1, &(0x7f0000004000)=[]}, 0x0) ioctl$VT_SETMODE(r0, 0x5602, &(0x7f0000cc7000)={0x4e5, 0x10000000000, 0x1, 0x4, 0x8ec}) [ 95.613206] IPVS: Creating netns size=2552 id=9 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes [ 242.343655] INFO: task syz-executor0:4794 blocked for more than 120 seconds. [ 242.350889] Not tainted 4.4.115-gaa856bd #6 [ 242.355756] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 242.363704] syz-executor0 D ffff8801cf01f3a8 28584 4794 3795 0x00000002 [ 242.371104] ffff8801cf01f3a8 0000000000000000 0000000000000000 0000000000000000 [ 242.379096] 0000000000000001 ffff8801cf01f300 ffff8801db31fdb8 ffff8801db31fde0 [ 242.387082] ffff8801db31f4d8 ffff8801d9b10000 ffff8800b2ce0000 0000000000000000 [ 242.395069] Call Trace: [ 242.397632] [] schedule+0x7a/0x1b0 [ 242.402787] [] schedule_preempt_disabled+0x13/0x20 [ 242.409354] [] mutex_lock_nested+0x306/0x850 [ 242.415402] [] ? snd_seq_do_ioctl+0x15d/0x1b0 [ 242.421513] [] ? __ww_mutex_lock+0x14f0/0x14f0 [ 242.427734] [] ? do_exit+0x82a/0x2a10 [ 242.433153] [] ? syscall_return_slowpath+0x1b5/0x1f0 [ 242.439904] [] ? int_ret_from_sys_call+0x25/0xa3 [ 242.446300] [] snd_seq_do_ioctl+0x15d/0x1b0 [ 242.452239] [] snd_seq_kernel_client_ctl+0xd7/0x150 [ 242.458902] [] snd_seq_oss_writeq_clear+0xe0/0x140 [ 242.465470] [] ? snd_seq_oss_writeq_wakeup+0xc0/0xc0 [ 242.472191] [] ? kasan_slab_free+0x88/0xc0 [ 242.478076] [] ? kfree+0xfc/0x300 [ 242.483148] [] ? create_port+0x230/0x230 [ 242.488845] [] snd_seq_oss_writeq_delete+0x1f/0x30 [ 242.495408] [] free_devinfo+0x61/0xb0 [ 242.500827] [] port_delete+0xd5/0x110 [ 242.506267] [] snd_seq_delete_port+0x1c3/0x200 [ 242.512468] [] snd_seq_ioctl_delete_port+0xf2/0x1d0 [ 242.519120] [] ? snd_seq_ioctl_set_port_info+0x190/0x190 [ 242.526201] [] snd_seq_do_ioctl+0x182/0x1b0 [ 242.532156] [] snd_seq_kernel_client_ctl+0xd7/0x150 [ 242.538814] [] ? snd_midi_event_new+0x200/0x200 [ 242.545120] [] snd_seq_event_port_detach+0xaf/0x100 [ 242.551756] [] ? snd_seq_event_port_attach+0x190/0x190 [ 242.558673] [] delete_port+0x73/0xb0 [ 242.564023] [] snd_seq_oss_release+0xe4/0x130 [ 242.570140] [] odev_release+0x52/0x70 [ 242.575597] [] __fput+0x233/0x6d0 [ 242.580673] [] ____fput+0x15/0x20 [ 242.585769] [] task_work_run+0x104/0x180 [ 242.591449] [] do_exit+0x82a/0x2a10 [ 242.596718] [] ? debug_check_no_obj_freed+0x166/0x9b0 [ 242.603526] [] ? release_task+0x1240/0x1240 [ 242.609500] [] ? __dequeue_signal+0xa3/0x550 [ 242.615540] [] ? recalc_sigpending_tsk+0x139/0x180 [ 242.622087] [] ? recalc_sigpending+0x76/0xa0 [ 242.628137] [] ? dequeue_signal+0xc4/0x4b0 [ 242.634001] [] ? __dequeue_signal+0x550/0x550 [ 242.640114] [] do_group_exit+0x108/0x320 [ 242.645813] [] get_signal+0x4f2/0x1550 [ 242.651321] [] do_signal+0x8b/0x1d40 [ 242.656684] [] ? evict+0x320/0x4e0 [ 242.661842] [] ? setup_sigcontext+0x780/0x780 [ 242.667987] [] ? sock_release+0x16d/0x1e0 [ 242.673766] [] ? __sock_create+0x12a/0x640 [ 242.679618] [] ? SyS_socketpair+0x125/0x510 [ 242.685577] [] ? SyS_socket+0x1b0/0x1b0 [ 242.691170] [] exit_to_usermode_loop+0x11a/0x160 [ 242.697568] [] syscall_return_slowpath+0x1b5/0x1f0 [ 242.704136] [] int_ret_from_sys_call+0x25/0xa3 [ 242.710383] INFO: lockdep is turned off. [ 242.714564] Sending NMI to all CPUs: [ 242.719397] NMI backtrace for cpu 0 [ 242.722992] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.115-gaa856bd #6 [ 242.729910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.739242] task: ffffffff84217840 task.stack: ffffffff84200000 [ 242.745283] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 242.753663] RSP: 0018:ffffffff84207dc0 EFLAGS: 00000246 [ 242.759079] RAX: 0000000000000003 RBX: ffffffff847dd8c8 RCX: ffffffff81d63b5b [ 242.766345] RDX: 0000000000000004 RSI: ffffffff839fe320 RDI: ffffffff84418180 [ 242.773604] RBP: ffffffff84207dc0 R08: 0000000000000000 R09: 0000000000000000 [ 242.780843] R10: 0000000000000000 R11: 1ffffffff0840f86 R12: 0000000000000000 [ 242.788105] R13: fffffbfff070887c R14: ffffffff847ebc38 R15: 0000000000000000 [ 242.795362] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 242.803590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.809441] CR2: 000000c422ec9010 CR3: 00000000af548000 CR4: 0000000000160670 [ 242.816709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.823969] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.831208] Stack: [ 242.833323] ffffffff84207df8 ffffffff81027ed5 ffffffff84208000 ffffffff847dd8c8 [ 242.840843] fffffbfff070887c ffffffff847ebc38 0000000000000000 ffffffff84207e08 [ 242.848357] ffffffff8102945a ffffffff84207e20 ffffffff81221468 dffffc0000000000 [ 242.855876] Call Trace: [ 242.858441] [] default_idle+0x55/0x3c0 [ 242.863962] [] arch_cpu_idle+0xa/0x10 [ 242.869388] [] default_idle_call+0x48/0x70 [ 242.875256] [] cpu_startup_entry+0x5fd/0x8f0 [ 242.881278] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 242.888188] [] ? call_cpuidle+0xe0/0xe0 [ 242.893794] [] rest_init+0x189/0x190 [ 242.899123] [] start_kernel+0x6b9/0x6ee [ 242.904738] [] ? thread_stack_cache_init+0xb/0xb [ 242.911107] [] ? early_idt_handler_array+0x120/0x120 [ 242.917847] [] ? early_idt_handler_array+0x120/0x120 [ 242.924581] [] x86_64_start_reservations+0x2a/0x2c [ 242.931124] [] x86_64_start_kernel+0x140/0x163 [ 242.937345] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 [ 242.956317] NMI backtrace for cpu 1 [ 242.959922] CPU: 1 PID: 485 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #6 [ 242.967096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.976432] task: ffff8800bac33000 task.stack: ffff8801d8fc8000 [ 242.982456] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 [ 242.991186] RSP: 0018:ffff8801d8fcfcb8 EFLAGS: 00000046 [ 242.996618] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: ffffffff8126a292 [ 243.003876] RDX: 0000000000000c00 RSI: 0000000000000002 RDI: ffffffffff5fb300 [ 243.011115] RBP: ffff8801d8fcfce0 R08: 0000000000000001 R09: 0000000000000000 [ 243.018373] R10: 0000000000000000 R11: fffffbfff0ad7e2c R12: 0000000000000246 [ 243.025627] R13: 0000000000000003 R14: ffffffff8426f3a0 R15: 0000000000000002 [ 243.032867] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 243.041088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 243.046955] CR2: 00007f07ae4f4000 CR3: 00000000af548000 CR4: 0000000000160670 [ 243.054208] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 243.061448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 243.068705] Stack: [ 243.070826] ffffffff8426f3a0 ffffffff847ef7c0 fffffbfff08fd9ac dffffc0000000000 [ 243.078341] ffff8801db31bca0 ffff8801d8fcfd00 ffffffff810b99fb ffffffff839f61c0 [ 243.085857] 0000000000000003 ffff8801d8fcfd60 ffffffff81d0ed14 ffffffff839fe320 [ 243.093354] Call Trace: [ 243.095925] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 243.102296] [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 [ 243.109381] [] ? irq_force_complete_move+0x3b0/0x3b0 [ 243.116113] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 243.123091] [] watchdog+0x6fa/0xae0 [ 243.128351] [] ? watchdog+0xc3/0xae0 [ 243.133690] [] kthread+0x268/0x300 [ 243.138848] [] ? reset_hung_task_detector+0x20/0x20 [ 243.145495] [] ? kthread_create_on_node+0x400/0x400 [ 243.152127] [] ? kthread_create_on_node+0x400/0x400 [ 243.158779] [] ret_from_fork+0x55/0x80 [ 243.164302] [] ? kthread_create_on_node+0x400/0x400 [ 243.170935] Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 0b 2f 17 00 4c 89 e7 57 9d 0f 1f [ 243.190082] Kernel panic - not syncing: hung_task: blocked tasks [ 243.196208] CPU: 1 PID: 485 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #6 [ 243.203361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.212685] 0000000000000000 950097bd8793cf50 ffff8801d8fcfca8 ffffffff81d03dad [ 243.220652] ffffffff83882f20 ffff8801d8fcfd80 dffffc0000000000 7fffffffffffffff [ 243.228614] ffff8801cd1b8448 ffff8801d8fcfd70 ffffffff8141acca 0000000041b58ab3 [ 243.236579] Call Trace: [ 243.239141] [] dump_stack+0xc1/0x124 [ 243.244476] [] panic+0x1aa/0x388 [ 243.249461] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 243.256354] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.263596] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.270841] [] watchdog+0x70b/0xae0 [ 243.276086] [] ? watchdog+0xc3/0xae0 [ 243.281421] [] kthread+0x268/0x300 [ 243.286578] [] ? reset_hung_task_detector+0x20/0x20 [ 243.293209] [] ? kthread_create_on_node+0x400/0x400 [ 243.299845] [] ? kthread_create_on_node+0x400/0x400 [ 243.306479] [] ret_from_fork+0x55/0x80 [ 243.311984] [] ? kthread_create_on_node+0x400/0x400 [ 243.319010] Dumping ftrace buffer: [ 243.322518] (ftrace buffer empty) [ 243.326195] Kernel Offset: disabled [ 243.329790] Rebooting in 86400 seconds..