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{&(0x7f0000005b00)="29116ad42d819f30bbdf9d74839c91064fe1aadf55bda47b9d490ca0c66c6d2c6f4ef81994349d2633bc42d2775011bcf8ec1110f283895a900d6d6c2cfd959450b0e9e914a1754b67e9b44af128df6e33a1cfc99505bc87528b45a36015c164baef0d934b21d0ace44a1eeebe57aa2b34e878bc825d47b02b76da7f96e54a33150f3fd6fd734b518ebe307f96007f0d95b6fd5f17067d6b8c27a29c7e837642703b54bc4f31e60a727ced20e290a6688b908ea03be4e1be6ca031ccfb520bea2636ecadf3453636028a4743c26f81420167", 0xd2}, {&(0x7f0000005c00)="1becf17d9498ae5fa34dc0198879b543aa2363c5b4e09f1238e244b7fabbced26053973a83f7ed86444d9f328984870071bf77d7313928c313f6ea9a5963d4091f2ae1a4ffb0f62861befb0da8558adddbb84366190275b3e45d396d6ed8b41b2a11fd6f2f5340b65bf43249d57c5ce8cc27c8ad8a553ef51740e3ed3ebe47ab28990517527a012be9197c3813f9b585c20481cacfa8a089996687f0485453deb1dad919eec161b9e789da5415c42cae9b3aa45c0731cc47d115981fe7ad7a5f8a058739a19e7a97909b276580c5689f48b15693e4a2b7dc31", 0xd9}, {&(0x7f0000005d00)="1ea646d47a13ea2de037079ec68249d3f937cac0d3a01459841fa4dc3797228ba85ad6118abce139fb6ef9e49dec1118bc8ccd10bfa907c569b3160982cc9a2ccefefe3904df8e1eea45efdefdcc4a68d1d0c433c4c0e514e0dcebc514e75ae82f5d97b3e067b968fd692d719da4f4db24d0da0add76cfd5ea6e970cde844a0a2801b484a2b5d7c1a7570fac7b051a959de0f397c88e67d6dec3fd52abb9ad55cebe49", 0xa3}, {&(0x7f0000005dc0)="73e7676544195a9181f2130cfea992742dc7c9c0f6efee84c77a20cb19bdd80a4266801e14dc4866f50693f63f406de7134f010cd53094d909f846d24126d51f3225943569759ef84566a9e8cfd0978e00ff50ee2355e96cbf70095b07508ffda50538a91f2a4517f1f3b05d0db4da1f9ce39711", 0x74}], 0x6, &(0x7f00000064c0)=[@cred={0x20, 0x1, 0x2, r31, r32, r33}, @cred={0x20, 0x1, 0x2, r34, r35, r36}, @rights={0x20, 0x1, 0x1, [r0, r1, r0, r0]}, @cred={0x20, 0x1, 0x2, r37, r38, r39}, @rights={0x30, 0x1, 0x1, [r1, r1, r0, r1, r1, r1, r0, r0]}, @cred={0x20, 0x1, 0x2, r40, r41, r42}], 0xd0, 0x20000000}, {&(0x7f00000065c0)=@abs={0x0, 0x0, 0x3}, 0x8, &(0x7f0000006600)=[], 0x0, &(0x7f00000067c0)=[@cred={0x20, 0x1, 0x2, r43, r44, r45}, @rights={0x38, 0x1, 0x1, [r1, r0, r0, r0, r0, r0, r1, r1, r0, r1]}], 0x58, 0x4000}], 0x8, 0x8800) socket$inet_icmp(0x2, 0x2, 0x1) r46 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r46, 0x4c07) ioctl$LOOP_SET_STATUS(r46, 0x4c02, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x6, 0x1b, 0x1d, 0xd, "675ebef668fcb29bac43912c8f898393ed152965b8a7bc757d0e559d4f7c9b94a1cb688e97b52c872ef05a2fdb27f0f7b78c338769cb87da348f571419059cd0", "95db7afefe669b95b5541570b8e3cb4e74d1bef3f5492a5459b93d61de5fe078", [0x4, 0x32]}) getsockopt$bt_hci(r0, 0x0, 0x3, &(0x7f0000000540)=""/135, &(0x7f0000000600)=0x87) 2018/02/23 16:04:42 executing program 5: sched_setattr(0x0, &(0x7f0000000fd0), 0x0) r0 = syz_open_dev$sg(&(0x7f0000ccaff7)='/dev/sg#\x00', 0x0, 0x2) ioctl$EVIOCSABS20(r0, 0x401845e0, &(0x7f0000000000)={0x3ff, 0x7, 0x0, 0x1, 0x2, 0x40}) mmap(&(0x7f000004c000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$int_out(r0, 0x1, &(0x7f000004bff8)) pipe(&(0x7f0000000040)={0x0}) ioctl$PIO_CMAP(r1, 0x4b71, &(0x7f0000000080)={0x1ff, 0x5, 0x7, 0x1f, 0x4, 0xa6}) [ 50.067201] [] ? recalc_sigpending+0x76/0xa0 [ 50.067207] [] ? __set_task_blocked+0x107/0x240 [ 50.067214] [] ? __set_current_blocked+0x4b/0xa0 [ 50.067220] [] ? retarget_shared_pending+0x210/0x210 2018/02/23 16:04:42 executing program 5: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x80) ioctl$TCSETA(r0, 0x5406, &(0x7f0000000040)={0x1, 0x1ff, 0x5, 0x2, 0x836, 0xffffffff, 0x24, 0x0, 0x8, 0x80}) fadvise64(r0, 0x0, 0x8, 0x7) getrandom(&(0x7f0000000080)=""/14, 0xe, 0x3) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000000c0)={0x9, 0x1, 0x40, 0x9, 0x0}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000140)={0x1, 0x9, 0x4, 0x3, 0x0, 0x100000000, 0x79, 0x200, r1}, &(0x7f0000000180)=0x20) poll(&(0x7f00000001c0)=[{r0, 0x2000}, {r0, 0x1020}, {r0, 0x400}, {r0, 0x5010}], 0x4, 0x5) r3 = syz_open_dev$tun(&(0x7f0000000200)='/dev/net/tun\x00', 0x0, 0x200000) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000240)={r2}, 0x8) clock_settime(0x0, &(0x7f0000000280)={0x0, 0x989680}) ioctl$DRM_IOCTL_MODE_SETCRTC(r0, 0xc06864a2, &(0x7f0000000300)={&(0x7f00000002c0)=[0x1, 0x3, 0x3f, 0x982, 0xeeb3, 0x80000001, 0x8, 0x2, 0x477, 0x5], 0xa, 0xf522, 0x15f, 0xddd6, 0x8, 0x9b, {0x1b9, 0x7, 0x92, 0x9, 0x0, 0x8, 0xfff, 0x400, 0x1f, 0x4, 0xd5, 0xfffffffffffffff8, 0x1000, 0x800, "73189ae9f382f7a323f8fe09b17b9f43c66f19efc7c975fb285c12db5291cfaa"}}) clock_gettime(0x7, &(0x7f0000000380)) ioctl$ASHMEM_SET_NAME(r0, 0x41007701, &(0x7f00000003c0)='\x00') ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000400)="8ae9c06ff0f018c99a1575b0d0d1fcd5dde60d892bce3e036be3f6548c981b95c3660c1d692f7e3b2f1a58cac78644ba00401aa0321be4930ea2a9c1f74b0c5fda4ce953f197b177fafb5aae2578ab2ed9d7a1c703380d0c2653efb476c81493816a7feb1a8c0375f5a8ec1c2f8df2de727cb7654a7ac8120be5d21b30754b738c6a3c1cf33f4555784641db1fea92d2") r4 = getpid() sendmsg$nl_netfilter(r0, &(0x7f0000000ac0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000a80)={&(0x7f0000000500)={0x554, 0x13, 0x5, 0x200, 0x2, 0x3, {0x5, 0x0, 0x6}, [@nested={0x274, 0x82, [@typed={0xf4, 0x6b, @binary="2ac3c46c29174a0004ab32d979c36ab54b067029841540f6040428e74d64adbd4d7759c080bf09a7673942ff18428a9220ccdd14eb070f91be8da49efdde0bc15b402015cd27cf38ba5439577a427d90b7213a92d437bcf6d8e6fb734e56cc617b07c849d7031df59bc2417e36abee07563b5d0ab1952d4fd19389aa6af7ae37d6ea4f26c71d18c85c04fbe2b455edc92e4116affb0fda4d83cc32f2659a60178b6a240946ac31a8545713fb717b8718e6b8b5984976eb778e3a5fb172961b4265dcadfeb1bc67e968ce01f1fc513a5396b029cb5fb43fef52ee54baa9a48b503adb68b76643309fbc"}, @typed={0xc, 0x73, @fd=r3}, @typed={0x10, 0x8c, @u64=0xab}, @generic="a6ea5bc78f415eb3b337564affef8105e7041eb2d08459aa0fb9379f46b1f255268a0b9df8336ad21cc1a22d838bdb267dc31e5459d8f4eb0d8760c79b0818fc355a8b81b4213df7baa6b7579ae8d3a347bc4f1d65768fc0d3b63217fe2b10c8adc4e8497f2874575a5a1881abc0f307138c969572addb0ef1705b7057a72ad3bc1decfed2e955e84de0b1b0", @typed={0x8, 0x68}, @typed={0xc, 0x2a, @fd=r3}, @typed={0xc, 0x7d, @u32=0x400}, @typed={0xb4, 0x7d, @binary="a91ff2bf143fdc3ab1e80dd9fea6bbdbff7f79ecf7abe8790f5c57a4365506f28bfc60e1fc943fc703f0fc39d0c31cb94999d79218fddd347dcd27faf596555711d0a45eb1fc7b575672ee28db81a19c36d2fb62a2096a60484586685e3cddb2048c94aaf4f76cf996ba62cc84eb57d661b8c29395f8a32cc37f6aeb95de1e80d5f4cf268258d2e1687728872016631a370e40a9466bdfe40163e4bd01579f94057cc07fbad2b07c00"}]}, @typed={0x10, 0x8b, @u64=0x8000}, @nested={0xf0, 0x8f, [@generic="2ccf20289379b9", @typed={0x18, 0x92, @ipv6=@local={0xfe, 0x80, [], 0x0, 0xaa}}, @typed={0xc, 0x5a, @pid=r4}, @generic="d592112349d8f54a73c5598c2aaa0cbc6c6d5dbdeba1541153030cfb18932a8d3d77ae06c6d8621f33538aea6e4b15c689d7af2af1c602bfd7e134cedac1d92a8fbf57677e83d9d3257d61fb411420a9ec0d36a86a781773cd440a521a31e496ea15169de56c2490b7c2423a7af46157045424ab90c5e96f9d28ce4c9cf5a01b8913a53aa74d8fcc06be353936453148624d20a6fd23a8ed38fe28d3549ae87e754cf849dba275261228bff986a939fa5d05e86d0cc80eefc0216a083887c9"]}, @typed={0xc, 0x53, @u32=0x4df}, @typed={0xc, 0x74, @str='\x00'}, @generic="9921c971a0bc8fba089dad043977f8258029f81d7e874083a4137319126a28fd3bb018fc25e31bb572a269bc3b24adf3b46c71ea43938bc5292175e9bdf837aea30c531e6416c686de69ac945b25df99a26dc56e397faed31e5d6e0235dc504089bd57a0fe136a8860087a7e4fdc9c5ffd99785bd9677b4d3984e2fc2ade5bdbaa8cf6b8442fa6dae261ba8a9c481c6e97276b1152935aaea02f7116ceb0aa82577a572e133f122d23514ba1e9ef1614c6f7856faf77e1b8dc90", @generic="c8679f32cd760c35385f86f16919ddf1860f9141d132cf654b9d", @typed={0xc, 0xf, @ipv4=@remote={0xac, 0x14, 0x0, 0xbb}}, @typed={0x18, 0x96, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @generic="830c11a3e711d81ea1186b9aa3dd3110b48f6abd38c215ee85a6e369fb611119565091c5f5351f277a4fe7bc2dd92d471fa7d8fcda85f6afc7a3bb768d5120abd143a68ffdfe89c7d9b7ca41fdc2b8e42dad871dedea2deb56383724a5216df36144abd9f3ec7bf1e0a7077ca6ca6251aeb9ca003f275c5b263e2073a3d1a6964c3749eb8116fc2f720a49a05770f374a359581b38316b799f96127a2c6ff038e8065499b224b28c64c584b5ccdd9f5518872a51f94fc941607478"]}, 0x554}, 0x1, 0x0, 0x0, 0x80}, 0x10) ftruncate(r0, 0x3302e0b9) mq_notify(r0, &(0x7f0000000c40)={0x0, 0x22, 0x0, @thr={&(0x7f0000000b00)="426e07f16a818caa359162ab73b5c8b97a623b2c5b05c0b14a3af20265575a05e491f7be8ad81d026c91071f02b1be71257e594865fa66aa9c6649ead49c059a0f359582ca8b56346039ecabeb7a446b81187155f15ce34001ed41a65111f6378ade1dd46cc9664d728ab30acb7022953743f696a9a3e679cb53587debb3787aa44fe2685d377dfde5288d820d1c79b07b36fa7e540bb51ec387d1d8b2e77fc668e0ff39b23a860ef9a4d2fc5046116431b2a1157305dc7b1ee62910cb425ecbbc30a3c00cfb3825a79edcf45973fec9eb386bcd711910f1bd38f7854d998a78fe9d60bde27bc66d9b62c35148438e3222744f449a68a3e714", &(0x7f0000000c00)="7e67e3aa177abb08cd195c945fc074d3f0d7fe324fa01c5169acf41dd5c7a32889"}}) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000000cc0)={@generic="916c59936a991712b548092bc10c1981", @ifru_addrs={0x2, 0x3, @dev={0xac, 0x14, 0x0, 0x12}}}) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000d00)=0x3, 0x4) ioctl$ASHMEM_SET_NAME(r0, 0x41007701, &(0x7f0000000d40)='/dev/net/tun\x00') futex(&(0x7f0000000d80)=0x6, 0x3, 0xb6, &(0x7f0000000dc0)={0x0, 0x989680}, &(0x7f0000000e00)=0x20, 0x8) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r3, &(0x7f0000000e40)={0x40000000}) setsockopt$inet_tcp_int(r0, 0x6, 0x1e, &(0x7f0000000e80)=0x7, 0x4) open(&(0x7f0000000ec0)='./file0\x00', 0x10680, 0x48) personality(0x5000007) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000f00)=0x2, 0x4) getsockopt$inet_dccp_int(r0, 0x21, 0x5, &(0x7f0000000f40), &(0x7f0000000f80)=0x4) ioctl$PIO_FONT(r0, 0x4b61, &(0x7f0000000fc0)="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") writev(r3, &(0x7f0000002180)=[{&(0x7f0000001fc0)="94dd0b67f5eb514735393415c9739d5b157b5c8f8e76b18305cfac5a19b09b027d8ee8066f90865c020fb1490d794de4be8252672bf3a89349b378d7a8d76df227b7512667d2c9eb79239e3bf1299a48658679db0ecaf73ef2a5aaf0a8e2895874c4857d17e5678d22bada5e28457dc0af37492db66410238694641bc33f08267ac629d310401bb43578e31b662dbe4cc394b897f068becb6f60cc998faccd7f8d8133c3f16100142d9e5a60e390e89050269df0bbcf24bbe61a410c5723", 0xbe}, {&(0x7f0000002080)="fb757a55d4a955a77d16c4ad1d27b8e10b472a0dc05206ddf011d3557caf68edb3bc83a9394c487f141cd4104fa7809ad999555470c5f26a458b8d73283ac3284f868bd9bf5456d0eb2c92610c4e680f2b4b3b3647c7b32c28ea1c93c1aa4f168c38ba57a3cd2092162417f35419d2e99bd4d15c95dd43293ebf15ac3f87c79e42e08a292ce98298a121488d40713d4403e583bed366e614ff41562ffe41ceb3f12bcde5ce0e6315a314344b53f5d3cae6087c4dd8e61d7b3e4a4189e7656fc3c86662c24eccf369cf6fec256caf6d6e8d3f", 0xd2}], 0x2) 2018/02/23 16:04:42 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00006ac000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f000079efdc)) r1 = syz_open_pts(r0, 0x801) writev(r1, &(0x7f0000000380)=[{&(0x7f0000000340)="b7", 0x1}], 0x1) pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x80800) getsockopt$inet_sctp6_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000040)=@int, &(0x7f0000000080)=0x4) 2018/02/23 16:04:42 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) pipe(&(0x7f0000000000)={0x0}) ioctl$sock_inet_udp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2000, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) [ 50.067227] [] ? __set_current_blocked+0x80/0xa0 [ 50.067233] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.067240] [] ? __set_current_blocked+0x80/0xa0 [ 50.067246] [] ? sigprocmask+0xef/0x290 [ 50.067252] [] ? sigsuspend+0x1f0/0x1f0 [ 50.067259] [] ? __might_fault+0x114/0x1d0 [ 50.067266] [] SyS_ppoll+0x1b1/0x3e0 [ 50.067272] [] ? SyS_poll+0x3f0/0x3f0 [ 50.067278] [] ? SyS_futex+0x210/0x2c0 [ 50.067285] [] ? do_futex+0x15d0/0x15d0 [ 50.067292] [] ? security_file_ioctl+0x89/0xb0 [ 50.067300] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.067307] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 50.137816] FAULT_FLAG_ALLOW_RETRY missing 30 [ 50.137826] CPU: 0 PID: 7411 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 50.137830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.137841] 0000000000000000 0b63508e5610f735 ffff8800b69d7490 ffffffff81d03f6d [ 50.137850] ffff8800b7b57c80 1ffff10016d3ae9f ffff8800b69d7618 0000000000000000 [ 50.137859] 0000000000000000 ffff8800b69d7640 ffffffff81607365 ffffffff81237470 [ 50.137861] Call Trace: [ 50.137875] [] dump_stack+0xc1/0x124 [ 50.137886] [] handle_userfault+0x715/0xf50 [ 50.137895] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.137905] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 50.137915] [] ? handle_mm_fault+0xb5d/0x3190 [ 50.137922] [] ? userfaultfd_poll+0x180/0x180 [ 50.137929] [] ? handle_mm_fault+0x291e/0x3190 [ 50.137936] [] handle_mm_fault+0x2938/0x3190 [ 50.137944] [] ? copy_page_range+0x1480/0x1480 [ 50.137952] [] ? __do_page_fault+0x780/0xa00 [ 50.137958] [] ? vmacache_find+0x57/0x290 [ 50.137965] [] __do_page_fault+0x35b/0xa00 [ 50.137972] [] do_page_fault+0x27/0x30 [ 50.137979] [] page_fault+0x28/0x30 [ 50.137988] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 50.137995] [] ? do_sys_poll+0x1a4/0xcc0 [ 50.138003] [] ? __might_sleep+0x90/0x1a0 [ 50.138010] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 50.138017] [] ? SyS_pselect6+0x530/0x530 [ 50.138024] [] ? check_preemption_disabled+0x3b/0x200 [ 50.138031] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 50.138037] [] ? futex_wait+0x4ad/0x610 [ 50.138044] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 50.138050] [] ? futex_wait_setup+0x330/0x330 [ 50.138058] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.138066] [] ? save_stack+0x43/0xd0 [ 50.138072] [] ? kasan_slab_free+0x72/0xc0 [ 50.138079] [] ? kmem_cache_free+0xc7/0x320 [ 50.138085] [] ? putname+0xee/0x130 [ 50.138092] [] ? do_sys_open+0x254/0x660 [ 50.138100] [] ? userfaultfd_release+0x5a0/0x5a0 [ 50.138107] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.138114] [] ? recalc_sigpending+0x76/0xa0 [ 50.138120] [] ? __set_task_blocked+0x107/0x240 [ 50.138127] [] ? __set_current_blocked+0x4b/0xa0 [ 50.138134] [] ? retarget_shared_pending+0x210/0x210 [ 50.138140] [] ? __set_current_blocked+0x80/0xa0 [ 50.138147] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.138153] [] ? __set_current_blocked+0x80/0xa0 [ 50.138160] [] ? sigprocmask+0xef/0x290 [ 50.138166] [] ? sigsuspend+0x1f0/0x1f0 [ 50.138172] [] ? __might_fault+0x114/0x1d0 [ 50.138179] [] SyS_ppoll+0x1b1/0x3e0 [ 50.138186] [] ? SyS_poll+0x3f0/0x3f0 [ 50.138192] [] ? SyS_futex+0x210/0x2c0 [ 50.138198] [] ? do_futex+0x15d0/0x15d0 [ 50.138206] [] ? security_file_ioctl+0x89/0xb0 [ 50.138213] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.138220] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 50.306316] FAULT_FLAG_ALLOW_RETRY missing 30 [ 50.306326] CPU: 0 PID: 7453 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 50.306329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.306347] 0000000000000000 f122f342c9a383f4 ffff8800a8def490 ffffffff81d03f6d [ 50.306356] ffff8800b8d64180 1ffff100151bde9f ffff8800a8def618 0000000000000000 [ 50.306365] 0000000000000000 ffff8800a8def640 ffffffff81607365 ffffffff81237470 [ 50.306367] Call Trace: [ 50.306381] [] dump_stack+0xc1/0x124 [ 50.306392] [] handle_userfault+0x715/0xf50 [ 50.306400] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.306408] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 50.306417] [] ? handle_mm_fault+0xb5d/0x3190 [ 50.306425] [] ? userfaultfd_poll+0x180/0x180 [ 50.306432] [] ? handle_mm_fault+0x291e/0x3190 [ 50.306439] [] handle_mm_fault+0x2938/0x3190 [ 50.306448] [] ? dump_trace+0x14f/0x350 [ 50.306461] [] ? copy_page_range+0x1480/0x1480 [ 50.306470] [] ? __do_page_fault+0x780/0xa00 [ 50.306476] [] ? vmacache_find+0x57/0x290 [ 50.306483] [] __do_page_fault+0x35b/0xa00 [ 50.306490] [] do_page_fault+0x27/0x30 [ 50.306498] [] page_fault+0x28/0x30 [ 50.306506] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 50.306514] [] ? do_sys_poll+0x1a4/0xcc0 [ 50.306521] [] ? check_preempt_wakeup+0x53e/0xa70 [ 50.306528] [] ? SyS_pselect6+0x530/0x530 [ 50.306536] [] ? preempt_schedule+0x25/0x30 [ 50.306542] [] ? ___preempt_schedule+0x12/0x14 [ 50.306549] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 50.306556] [] ? try_to_wake_up+0x62/0xf60 [ 50.306562] [] ? plist_check_head+0x4a/0x60 [ 50.306568] [] ? wake_up_q+0xbe/0x130 [ 50.306576] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 50.306581] [] ? futex_wake+0x153/0x450 [ 50.306589] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.306596] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.306603] [] ? recalc_sigpending+0x76/0xa0 [ 50.306610] [] ? __set_task_blocked+0x107/0x240 [ 50.306616] [] ? __set_current_blocked+0x4b/0xa0 [ 50.306623] [] ? retarget_shared_pending+0x210/0x210 [ 50.306630] [] ? __set_current_blocked+0x80/0xa0 [ 50.306636] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.306642] [] ? __set_current_blocked+0x80/0xa0 [ 50.306648] [] ? sigprocmask+0xef/0x290 [ 50.306655] [] ? sigsuspend+0x1f0/0x1f0 [ 50.306661] [] ? __might_fault+0x114/0x1d0 [ 50.306668] [] SyS_ppoll+0x1b1/0x3e0 [ 50.306674] [] ? SyS_poll+0x3f0/0x3f0 [ 50.306680] [] ? SyS_futex+0x210/0x2c0 [ 50.306686] [] ? do_futex+0x15d0/0x15d0 [ 50.306693] [] ? mprotect_fixup+0x600/0x600 [ 50.306699] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.306706] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 50.344604] FAULT_FLAG_ALLOW_RETRY missing 30 [ 50.344614] CPU: 0 PID: 7464 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 50.344617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.344628] 0000000000000000 02bf3b9553b9c923 ffff8800b5c57490 ffffffff81d03f6d [ 50.344637] ffff8801d4d61800 1ffff10016b8ae9f ffff8800b5c57618 0000000000000000 [ 50.344645] 0000000000000000 ffff8800b5c57640 ffffffff81607365 ffffffff81237470 [ 50.344648] Call Trace: [ 50.344659] [] dump_stack+0xc1/0x124 [ 50.344668] [] handle_userfault+0x715/0xf50 [ 50.344678] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.344687] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 50.344697] [] ? __mod_zone_page_state+0x8a/0xd0 [ 50.344703] [] ? kasan_unpoison_shadow+0x35/0x50 [ 50.344711] [] ? handle_mm_fault+0xb5d/0x3190 [ 50.344718] [] ? userfaultfd_poll+0x180/0x180 [ 50.344725] [] ? handle_mm_fault+0x291e/0x3190 [ 50.344732] [] handle_mm_fault+0x2938/0x3190 [ 50.344740] [] ? copy_page_range+0x1480/0x1480 [ 50.344748] [] ? __do_page_fault+0x780/0xa00 [ 50.344754] [] ? vmacache_find+0x57/0x290 [ 50.344761] [] __do_page_fault+0x35b/0xa00 [ 50.344768] [] do_page_fault+0x27/0x30 [ 50.344775] [] page_fault+0x28/0x30 [ 50.344784] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 50.344791] [] ? do_sys_poll+0x1a4/0xcc0 [ 50.344799] [] ? __might_sleep+0x90/0x1a0 [ 50.344807] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 50.344814] [] ? SyS_pselect6+0x530/0x530 [ 50.344820] [] ? check_preemption_disabled+0x3b/0x200 [ 50.344827] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 50.344833] [] ? futex_wait+0x4ad/0x610 [ 50.344840] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 50.344846] [] ? futex_wait_setup+0x330/0x330 [ 50.344855] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.344863] [] ? userfaultfd_release+0x5a0/0x5a0 [ 50.344870] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.344877] [] ? recalc_sigpending+0x76/0xa0 [ 50.344884] [] ? __set_task_blocked+0x107/0x240 [ 50.344890] [] ? __set_current_blocked+0x4b/0xa0 [ 50.344897] [] ? retarget_shared_pending+0x210/0x210 [ 50.344904] [] ? __set_current_blocked+0x80/0xa0 [ 50.344910] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.344916] [] ? __set_current_blocked+0x80/0xa0 [ 50.344923] [] ? sigprocmask+0xef/0x290 [ 50.344929] [] ? sigsuspend+0x1f0/0x1f0 [ 50.344935] [] ? __might_fault+0x114/0x1d0 [ 50.344942] [] SyS_ppoll+0x1b1/0x3e0 [ 50.344949] [] ? SyS_poll+0x3f0/0x3f0 [ 50.344955] [] ? SyS_futex+0x210/0x2c0 [ 50.344961] [] ? do_futex+0x15d0/0x15d0 [ 50.344968] [] ? __fget_light+0x199/0x1e0 [ 50.344975] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.344982] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 50.522711] FAULT_FLAG_ALLOW_RETRY missing 30 [ 50.522720] CPU: 1 PID: 7500 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 50.522724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.522735] 0000000000000000 10ec063843228cfd ffff8801d3f4f490 ffffffff81d03f6d [ 50.522745] ffff8800b8d64780 1ffff1003a7e9e9f ffff8801d3f4f618 0000000000000000 [ 50.522754] 0000000000000000 ffff8801d3f4f640 ffffffff81607365 ffffffff81237470 [ 50.522757] Call Trace: [ 50.522771] [] dump_stack+0xc1/0x124 [ 50.522784] [] handle_userfault+0x715/0xf50 [ 50.522795] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.522803] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 50.522812] [] ? handle_mm_fault+0xb5d/0x3190 [ 50.522820] [] ? userfaultfd_poll+0x180/0x180 [ 50.522833] [] ? handle_mm_fault+0x291e/0x3190 [ 50.522843] [] handle_mm_fault+0x2938/0x3190 [ 50.522852] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.522860] [] ? copy_page_range+0x1480/0x1480 [ 50.522870] [] ? __do_page_fault+0x780/0xa00 [ 50.522878] [] ? vmacache_find+0x57/0x290 [ 50.522887] [] __do_page_fault+0x35b/0xa00 [ 50.522894] [] do_page_fault+0x27/0x30 [ 50.522903] [] page_fault+0x28/0x30 [ 50.522912] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 50.522920] [] ? do_sys_poll+0x1a4/0xcc0 [ 50.522928] [] ? check_preempt_wakeup+0x53e/0xa70 [ 50.522937] [] ? SyS_pselect6+0x530/0x530 [ 50.522946] [] ? preempt_schedule+0x25/0x30 [ 50.522955] [] ? ___preempt_schedule+0x12/0x14 [ 50.522964] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 50.522973] [] ? try_to_wake_up+0x62/0xf60 [ 50.522980] [] ? plist_check_head+0x4a/0x60 [ 50.522988] [] ? wake_up_q+0xbe/0x130 [ 50.522997] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 50.523004] [] ? futex_wake+0x153/0x450 [ 50.523013] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.523022] [] ? userfaultfd_release+0x5a0/0x5a0 [ 50.523030] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.523039] [] ? recalc_sigpending+0x76/0xa0 [ 50.523048] [] ? __set_task_blocked+0x107/0x240 [ 50.523057] [] ? __set_current_blocked+0x4b/0xa0 [ 50.523065] [] ? retarget_shared_pending+0x210/0x210 [ 50.523073] [] ? __set_current_blocked+0x80/0xa0 [ 50.523080] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.523089] [] ? __set_current_blocked+0x80/0xa0 [ 50.523096] [] ? sigprocmask+0xef/0x290 [ 50.523104] [] ? sigsuspend+0x1f0/0x1f0 [ 50.523112] [] ? __might_fault+0x114/0x1d0 [ 50.523121] [] SyS_ppoll+0x1b1/0x3e0 [ 50.523129] [] ? SyS_poll+0x3f0/0x3f0 [ 50.523137] [] ? SyS_futex+0x210/0x2c0 [ 50.523144] [] ? do_futex+0x15d0/0x15d0 [ 50.523154] [] ? security_file_ioctl+0x89/0xb0 [ 50.523162] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.523172] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 50.523222] FAULT_FLAG_ALLOW_RETRY missing 30 [ 50.523229] CPU: 0 PID: 7499 Comm: syz-executor3 Not tainted 4.4.116-g17c7c49 #17 [ 50.523232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.523240] 0000000000000000 661450f96e966ae7 ffff8801d3447490 ffffffff81d03f6d [ 50.523247] ffff8801d4d61980 1ffff1003a688e9f ffff8801d3447618 0000000000000000 [ 50.523255] 0000000000000000 ffff8801d3447640 ffffffff81607365 ffffffff81237470 [ 50.523257] Call Trace: [ 50.523264] [] dump_stack+0xc1/0x124 [ 50.523272] [] handle_userfault+0x715/0xf50 [ 50.523279] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.523286] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 50.523294] [] ? __kernel_text_address+0x6b/0xa0 [ 50.523302] [] ? print_context_stack+0x48/0xc0 [ 50.523309] [] ? handle_mm_fault+0xb5d/0x3190 [ 50.523316] [] ? userfaultfd_poll+0x180/0x180 [ 50.523322] [] ? handle_mm_fault+0x291e/0x3190 [ 50.523335] [] handle_mm_fault+0x2938/0x3190 [ 50.523343] [] ? copy_page_range+0x1480/0x1480 [ 50.523349] [] ? __do_page_fault+0x780/0xa00 [ 50.523356] [] ? vmacache_find+0x57/0x290 [ 50.523362] [] __do_page_fault+0x35b/0xa00 [ 50.523369] [] do_page_fault+0x27/0x30 [ 50.523376] [] page_fault+0x28/0x30 [ 50.523383] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 50.523390] [] ? do_sys_poll+0x1a4/0xcc0 [ 50.523399] [] ? __might_sleep+0x90/0x1a0 [ 50.523406] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 50.523412] [] ? SyS_pselect6+0x530/0x530 [ 50.523418] [] ? check_preemption_disabled+0x3b/0x200 [ 50.523423] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 50.523428] [] ? futex_wait+0x4ad/0x610 [ 50.523432] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 50.523437] [] ? futex_wait_setup+0x330/0x330 [ 50.523443] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.523449] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 50.523453] [] ? recalc_sigpending+0x76/0xa0 [ 50.523458] [] ? __set_task_blocked+0x107/0x240 [ 50.523463] [] ? __set_current_blocked+0x4b/0xa0 [ 50.523468] [] ? retarget_shared_pending+0x210/0x210 [ 50.523473] [] ? __set_current_blocked+0x80/0xa0 [ 50.523478] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 50.523483] [] ? __set_current_blocked+0x80/0xa0 [ 50.523487] [] ? sigprocmask+0xef/0x290 [ 50.523492] [] ? sigsuspend+0x1f0/0x1f0 [ 50.523497] [] ? __might_fault+0x114/0x1d0 2018/02/23 16:04:44 executing program 7: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000004ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$void(r0, 0x5410) 2018/02/23 16:04:44 executing program 3: mkdir(&(0x7f000091a000)='./file0\x00', 0x0) mount(&(0x7f00007a3ff8)='./file0\x00', &(0x7f00004f5ff8)='./file0\x00', &(0x7f00000e1000)='ramfs\x00', 0x8409, &(0x7f0000c81ffe)) unshare(0x400) r0 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0x0, 0x800) r1 = mmap$binder(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffff9c, 0x0) r2 = mmap$binder(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x1, 0x4010, 0xffffffffffffffff, 0x0) r3 = socket$inet_icmp(0x2, 0x2, 0x1) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000011c0)={0x60, 0x0, &(0x7f0000000140)=[@reply={0x40406301, {0x0, 0x0, 0x4, 0x0, 0x10, 0x0, 0x0, 0x48, 0x48, &(0x7f0000000040)=[@flat={0x776a2a85, 0x10b, r1, 0x3}, @flat={0x776a2a85, 0x100, r2, 0x2}, @fd={0x66642a85, 0x0, r3, 0x0, 0x1}], &(0x7f00000000c0)=[0x78, 0x38, 0x20, 0x30, 0x78, 0x18, 0x28, 0x78, 0x0]}}, @increfs={0x40046304, 0x1}, @request_death={0x400c630e, 0x1}, @exit_looper={0x630d}], 0x1000, 0x0, &(0x7f00000001c0)="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"}) r4 = openat(0xffffffffffffff9c, &(0x7f0000012ff8)='./file0\x00', 0x0, 0x0) fsetxattr(r4, &(0x7f0000849feb)=@known='com.apple.FinderInfo\x00', &(0x7f00008c3fff)='\x00', 0x1, 0x0) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x80800) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000012000/0x3000)=nil, 0x3000, 0x2000006, 0x10, r0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = accept$unix(0xffffffffffffff9c, &(0x7f0000000000)=@file={0x0, ""/4096}, &(0x7f0000001040)=0x1002) sendto$unix(r1, &(0x7f0000001080)="c3aa9bfa5e2d90d0ff808ba0c34a58146391dabbd7bde403e16566f4ee30c61ba2538c7385dd30067d459bc46bf1e2873d770726b10b9ce928c6100a816263915d477bb0288174f9da607ecb9c9b4deb897ea546508a842e24a9cd04944859cd54f466bceaffcfee812eb2c29f9d230b006530128288ae5f1838e539eca84d355291398caa87f2c60d9257a9494da507c1db2dc618b88245e3e39a26a9e41270233a1f49a5dbfb81d2b6686619d52bcbc4b1a12d9047120baf4155c0865c329ed20ee6c1fa366474642a4f9ff67a1f20d8ef02d8cf7b11c6da81396023d684076f37", 0xe2, 0x8000, &(0x7f0000001180)=@abs={0x0, 0x0, 0x3}, 0x8) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f00000011c0), &(0x7f0000001200)=0x4) 2018/02/23 16:04:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@generic="0286ca1955fcc7f9c5796157f56b3cc2", @ifru_addrs=@llc={0x1a, 0xff, 0x6c, 0x5, 0x3, 0x1, @link_local={0x1, 0x80, 0xc2}}}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:44 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) setsockopt(r0, 0x9, 0x7ff, &(0x7f0000000040)="7387afc02fc747c9b8c756ca30c8e5ec7e8314ea64f00a6a3693f03d22ba0475dcb4a786f8b6d1e6fe5f1e9a9e2412414d1d4891d930136865443662765f057c0cfb7f5bb42a2b24fcc1eee60b5a0770c5abc504fbf11e5345da6582353d85fdb8be08f7b196bf91f027ad293d1c37e7629d96a5ea9f85fb85c855b5b609dd1f0c7ae3c6cd20316aba26215a7a8d6d75de83b28e728f6a69558b6478c15c047213a50d919e3c6fea17bbf6345c72962d4e3867", 0xb3) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000040)={@generic="aaf4908c31ddc1273240dd9b79d7ce99", @ifru_flags=0x400}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) ioctl$VT_DISALLOCATE(r0, 0x5608) 2018/02/23 16:04:44 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) setsockopt(r0, 0x9, 0x7ff, &(0x7f0000000040)="7387afc02fc747c9b8c756ca30c8e5ec7e8314ea64f00a6a3693f03d22ba0475dcb4a786f8b6d1e6fe5f1e9a9e2412414d1d4891d930136865443662765f057c0cfb7f5bb42a2b24fcc1eee60b5a0770c5abc504fbf11e5345da6582353d85fdb8be08f7b196bf91f027ad293d1c37e7629d96a5ea9f85fb85c855b5b609dd1f0c7ae3c6cd20316aba26215a7a8d6d75de83b28e728f6a69558b6478c15c047213a50d919e3c6fea17bbf6345c72962d4e3867", 0xb3) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000040)={@generic="aaf4908c31ddc1273240dd9b79d7ce99", @ifru_flags=0x400}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) ioctl$VT_DISALLOCATE(r0, 0x5608) [ 50.523502] [] SyS_ppoll+0x1b1/0x3e0 [ 50.523507] [] ? SyS_poll+0x3f0/0x3f0 [ 50.523512] [] ? SyS_futex+0x210/0x2c0 [ 50.523517] [] ? do_futex+0x15d0/0x15d0 [ 50.523522] [] ? mprotect_fixup+0x600/0x600 [ 50.523527] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.523532] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:44 executing program 7: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000004ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$void(r0, 0x5410) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xfffffffffffffffd, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000000)={0xfffffffffffffffd, 0x1, 'client1\x00', 0xffffffff80000002, "ee611c9c6aa3c98c", "d3aab1503cdc9da422b822a0ce5217d8eb5c93b0df7a231fab9430ba00ac0fe4", 0xb70, 0x3}) fcntl$getownex(r0, 0x10, &(0x7f00000000c0)) readlinkat(r1, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)=""/253, 0xfd) write$eventfd(r1, &(0x7f0000000100)=0xfffffffffffff801, 0x8) 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) fadvise64(r0, 0x0, 0x9, 0x5) syncfs(r0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x40, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000040)=0x4, 0x4) [ 52.504963] binder: 7582:7597 got reply transaction with no transaction stack [ 52.516953] binder: 7582:7597 transaction failed 29201/-71, size 72-72 line 2921 2018/02/23 16:04:44 executing program 7: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x101002, 0x0) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000040)) r1 = socket$inet(0x2, 0x800, 0x8) recvmmsg(r0, &(0x7f0000000480)=[{{&(0x7f0000000080)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}, 0x32, &(0x7f0000000340)=[{&(0x7f00000000c0)=""/55, 0x37}, {&(0x7f0000000100)=""/204, 0xcc}, {&(0x7f0000000200)=""/196, 0xc4}, {&(0x7f0000000300)=""/23, 0x17}], 0x4, &(0x7f0000000380)=""/230, 0xe6, 0x400}, 0x1}], 0x1, 0x2100, &(0x7f00000004c0)={0x0, 0x989680}) r2 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000500)={@common='eql\x00', @ifru_flags=0x100}) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000080)={@common='eql\x00', @ifru_addrs={0x2, 0xffffffffffffffff, @dev={0xac, 0x14}}}) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_addrs={0x2, 0x1, @remote={0xac, 0x14, 0x0, 0xbb}}}) 2018/02/23 16:04:44 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) clock_nanosleep(0x4, 0x0, &(0x7f0000000040)={0x77359400}, &(0x7f0000000080)) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) fsync(r0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000f54ffc)=0x1ea, 0x4) sendto$inet6(r0, &(0x7f00009a1000), 0x0, 0x0, &(0x7f0000f64fe4)={0xa, 0x1, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/02/23 16:04:44 executing program 0: ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000040)={0x1, 0x7, 0x0, 0x3}, 0x8) ioctl$TIOCSSOFTCAR(r0, 0x541a, &(0x7f0000000040)=0xfffffffffffff95c) 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) r1 = gettid() r2 = syz_open_procfs(r1, &(0x7f0000000000)='task\x00') getdents(r2, &(0x7f0000720fd4)=""/44, 0x1b3) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) fcntl$getown(r0, 0x9) [ 52.550529] binder: 7582:7597 got reply transaction with no transaction stack [ 52.568411] binder: 7582:7597 transaction failed 29201/-71, size 72-72 line 2921 2018/02/23 16:04:44 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x1, 0x800) setsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f0000000100)=0x2, 0x4) prctl$void(0x1f) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff, 0x2}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:44 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x1, 0x0) getsockopt$inet6_int(r0, 0x29, 0x5f, &(0x7f0000000100), &(0x7f0000000140)=0x4) r1 = getpgid(0xffffffffffffffff) ptrace$peek(0xffffffffffffffff, r1, &(0x7f0000000180)) r2 = syz_open_procfs(r1, &(0x7f00000001c0)='net/udp6\x00') flistxattr(r0, &(0x7f0000000200)=""/169, 0xa9) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f00000002c0)=""/24) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, &(0x7f0000000300)={0x1, 0xff, 0x0, 0x0, 0xf}) rt_sigqueueinfo(r1, 0xf, &(0x7f0000000380)={0x8, 0xff, 0xfffffffffffffff8, 0x10001}) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) modify_ldt$write(0x1, &(0x7f00000003c0)={0x6, 0x20000000, 0x1000, 0x1, 0x40, 0x0, 0x5, 0x5, 0x7, 0x8001}, 0x10) ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000400)) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000440)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000480)={0x0, 0x0, 0x1, [0x8]}, &(0x7f00000004c0)=0xa) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000500)={0x1, 0x0, 0x8004, 0xf, 0x6, 0x80, 0x8000, 0x3, r4}, 0x20) setsockopt$inet_dccp_buf(r0, 0x21, 0x80, &(0x7f0000000540)="4a9a2723617e9bef7f9160620aedf2b70dc7dd15169614571b88408b79160b3e194d4fa546e18c6079090b46e788fa9d29ae29df19667e0074d16a84dbde67aa6272c0df30bd8f4fe689cb27d97e792a715d317765ab3d5dec7a652ab8883da02f2212f553f50944b4209e31275213fdabcc453d341eb8fe4586a121fc742d17c6cb00f106e9ca4204ee4998a3e0b331a00676ca857514eb5e3efbce907d51f1d19f24f3813db3fb45f08566359b48d0b3147b4cc194cdc0f8ea040908d36811d2e41a35224a00f29ae37ba26f7c9c43bdec38627c906176749d7afebca5bd4946605589", 0xe4) setsockopt$inet_tcp_buf(r0, 0x6, 0x1d, &(0x7f0000000640)="38fbc8e5ba5edd38ea7890746b919a3db3df6c736d61f1975a07386f13003d4a3e7216ef8df5abe3047968149453a0f7fda71cd4f69a5694daee82b9e605c0bb532ca9ea75b5443c7ff072746e3b2a416b45058021b9cde9e29a27623cd26a557986964ee84fe942499c7ca39372bcbbca55", 0x72) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f00000006c0)={r4, 0x1ff}, &(0x7f0000000700)=0x8) clock_gettime(0x0, &(0x7f0000007800)={0x0, 0x0}) recvmmsg(r2, &(0x7f0000007580)=[{{&(0x7f0000000740)=@l2, 0xe, &(0x7f0000000780)=[], 0x0, 0x0, 0x0, 0x7fff}}, {{&(0x7f00000007c0)=@ethernet={0x0, @local}, 0x10, &(0x7f0000000e40)=[{&(0x7f0000000800)=""/75, 0x4b}, {&(0x7f0000000880)}, {&(0x7f00000008c0)=""/160, 0xa0}, {&(0x7f0000000980)=""/169, 0xa9}, {&(0x7f0000000a40)=""/206, 0xce}, {&(0x7f0000000b40)=""/232, 0xe8}, {&(0x7f0000000c40)=""/23, 0x17}, {&(0x7f0000000c80)=""/178, 0xb2}, {&(0x7f0000000d40)=""/203, 0xcb}], 0x9, 0x0, 0x0, 0xffffffffffff0000}, 0x939}, {{&(0x7f0000000f00)=@ethernet={0x0, @empty}, 0x10, &(0x7f00000020c0)=[{&(0x7f0000000f40)=""/245, 0xf5}, {&(0x7f0000001040)=""/91, 0x5b}, {&(0x7f00000010c0)=""/4096, 0x1000}], 0x3, &(0x7f0000002100)=""/4096, 0x1000, 0xffffffff}, 0x4}, {{&(0x7f0000003100)=@pppol2tp={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @multicast2}}}, 0x26, &(0x7f00000044c0)=[{&(0x7f0000003140)=""/166, 0xa6}, {&(0x7f0000003200)=""/57, 0x39}, {&(0x7f0000003240)=""/87, 0x57}, {&(0x7f00000032c0)=""/202, 0xca}, {&(0x7f00000033c0)=""/4096, 0x1000}, {&(0x7f00000043c0)=""/252, 0xfc}], 0x6, &(0x7f0000004540)=""/235, 0xeb, 0xfffffffffffff427}, 0x5}, {{&(0x7f0000004640)=@pptp={0x0, 0x0, {0x0, @rand_addr}}, 0x20, &(0x7f0000004900)=[{&(0x7f0000004680)=""/251, 0xfb}, {&(0x7f0000004780)=""/115, 0x73}, {&(0x7f0000004800)=""/209, 0xd1}], 0x3, &(0x7f0000004940)=""/246, 0xf6, 0xba8c}}, {{&(0x7f0000004a40)=@pppoe={0x0, 0x0, {0x0, @local, @common}}, 0x1e, &(0x7f0000006cc0)=[{&(0x7f0000004a80)=""/60, 0x3c}, {&(0x7f0000004ac0)=""/142, 0x8e}, {&(0x7f0000004b80)=""/4096, 0x1000}, {&(0x7f0000005b80)=""/4096, 0x1000}, {&(0x7f0000006b80)=""/251, 0xfb}, {&(0x7f0000006c80)=""/14, 0xe}], 0x6, &(0x7f0000006d40)=""/222, 0xde}, 0x9}, {{&(0x7f0000006e40)=@ethernet={0x0, @empty}, 0x10, &(0x7f0000006fc0)=[{&(0x7f0000006e80)=""/40, 0x28}, {&(0x7f0000006ec0)=""/142, 0x8e}, {&(0x7f0000006f80)=""/26, 0x1a}], 0x3, &(0x7f0000007000)=""/73, 0x49, 0x80000001}, 0x8000}, {{&(0x7f0000007080)=@nfc, 0x10, &(0x7f0000007180)=[{&(0x7f00000070c0)=""/155, 0x9b}], 0x1, &(0x7f00000071c0)=""/119, 0x77, 0x7}, 0x2}, {{&(0x7f0000007240)=@ethernet={0x0, @empty}, 0x10, &(0x7f0000007300)=[{&(0x7f0000007280)=""/123, 0x7b}], 0x1, &(0x7f0000007340)=""/61, 0x3d, 0x2032}, 0x2e3e}, {{&(0x7f0000007380)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}, 0x32, &(0x7f00000074c0)=[{&(0x7f00000073c0)=""/222, 0xde}], 0x1, &(0x7f0000007500)=""/100, 0x64, 0x4}}], 0xa, 0x2020, &(0x7f0000007840)={r5, r6+10000000}) socket$l2tp(0x18, 0x1, 0x1) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000007880)={0xae7e, 0x1, {0x1, 0x3, 0x8000, 0x3, 0x7ff}}) recvfrom$llc(r0, &(0x7f0000007900)=""/255, 0xff, 0x40000040, &(0x7f0000007a00)={0x1a, 0x6, 0x3, 0x8, 0x2, 0x8, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x10) ioctl$EVIOCGSND(r3, 0x8040451a, &(0x7f0000007a40)=""/33) ioctl$TUNGETIFF(r0, 0x800454d2, &(0x7f0000007a80)=0x7) getsockopt$inet6_IPV6_XFRM_POLICY(r7, 0x29, 0x23, &(0x7f0000007b40)={{{@in=@dev, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@remote}}, &(0x7f0000007c40)=0xe8) r9 = getegid() syz_fuseblk_mount(&(0x7f0000007ac0)='./file0\x00', &(0x7f0000007b00)='./file0\x00', 0x4001, r8, r9, 0x3, 0xb0, 0x1000000) ioctl$sock_inet_SIOCGARP(r2, 0x8954, &(0x7f0000007c80)={{0x2, 0x3, @multicast2=0xe0000002}, {0x6, @random="5db01fffc4ac"}, 0x0, {0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, @syzn={0x73, 0x79, 0x7a, 0x0}}) ioctl$VT_RESIZEX(r3, 0x560a, &(0x7f0000007d00)={0x80000001, 0x1f, 0x7, 0x8, 0x5, 0x7fffffff}) 2018/02/23 16:04:44 executing program 3: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x10080, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f0000000040)={0x0, 0x8}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f00000000c0)={r1, 0x51}, &(0x7f0000000100)=0x8) connect$inet6(0xffffffffffffffff, &(0x7f00004aefe4)={0xa, 0xffffffffffffffff, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, 0x100000001}, 0x1c) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x3, 0x1, 0x80000000, 0x800, 0x1, 0x0, 0x0, {0x0, @in6={{0xa, 0x2, 0x1, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}}, 0x3, 0xfff, 0x2, 0xb7, 0xa7}}, &(0x7f00000000c0)=0xb8) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000100)={r3, @in={{0x2, 0x1, @loopback=0x7f000001}}, 0x8, 0x1ff7}, 0x98) socketpair$inet(0x2, 0x0, 0x0, &(0x7f00000002c0)={0x0, 0x0}) sendmmsg$inet_sctp(r4, &(0x7f0000001900)=[{&(0x7f0000000300)=@in={0x2, 0x2, @broadcast=0xffffffff}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000340)="c985e19f108a5ab7509e49244509edf5b97f602ff1f0cd11da8abbbf7a072185e421a968fdbd5f0daf57fdd72e2774e11c5f8dc84cc003ac8ccc3435454aab159c11a3a8250aa02be692ec1cec84678148d0ad0ca735b5f322916931f7a1b9a93e18c147d10a23027050317fcb9e5e4e342032a8837638c73af484a3", 0x7c}, {&(0x7f00000003c0)="4e941376ef4230ff3e9aed24a63dd6d35490269f23c788074592290007ad1f9bc015ef1ee2efdb2657b9c660b625b57fe92f3a8e151fa3760e06f5868475e17f19963b2ac8b3a4dff71a3ed94005f2714363ded49ba6544e04126a5f3c4041aee8df30375fda31166ea685515717277edc5f9d67a86b62a82e949848a91343772e98d5a90d622ec5764d406c0cc82a933c4001cd653e7beeb80c8e6e433b2c0b05c0636fbe8e88aef6059ded4587c8008460e596f0ab11cc77f723f9079bc20c736c5e7548c63e8060128074a244a7278505dd9cc4f0c27baad5ac457d403cf5aa627f07e732ca8f39584d2eff7aa96abc5a3c", 0xf3}], 0x2, &(0x7f0000000500)=[@sndrcv={0x30, 0x84, 0x1, {0x3, 0x1, 0xa, 0x29a, 0x439, 0x2, 0x8, 0xffffffff, r2}}, @init={0x18, 0x84, 0x0, {0x287, 0x6, 0xffffffff, 0x7}}, @sndinfo={0x20, 0x84, 0x2, {0x1, 0x200, 0x4, 0xfffffffffffff75a, r2}}], 0x90, 0x40}, {&(0x7f00000005c0)=@in={0x2, 0x2, @empty}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000600)="afb513d0efc1d2b0a57f268a4ecc0a378784976148f93287d290fa4fb54fe1089feb67f57ddf20ff530766a680663bdd9b8d7822dd241b9b8ce863fd61a683fbef327019a999b61460bca85d0733aad7c9ba4c0013396a4c", 0x58}], 0x1, &(0x7f00000006c0)=[@sndrcv={0x30, 0x84, 0x1, {0x8001, 0x1, 0x2, 0x9, 0x8, 0x1, 0x1f, 0x1f, r3}}, @sndinfo={0x20, 0x84, 0x2, {0x2, 0xc, 0x10000, 0x5, r2}}, @init={0x18, 0x84, 0x0, {0x1ff, 0x100, 0xff, 0x8}}, @sndrcv={0x30, 0x84, 0x1, {0x8, 0x2, 0x2, 0x94, 0x800, 0x4, 0x0, 0x7, r3}}, @sndinfo={0x20, 0x84, 0x2, {0x1, 0x201, 0x5, 0x12000, r2}}, @init={0x18, 0x84, 0x0, {0x7f, 0x4, 0x5, 0x4}}, @sndinfo={0x20, 0x84, 0x2, {0x8000, 0x209, 0x9, 0x6, r3}}, @sndinfo={0x20, 0x84, 0x2, {0x40, 0x201, 0xffff, 0xfff, r2}}], 0x180, 0x80}, {&(0x7f0000000840)=@in6={0xa, 0x3, 0x43, @mcast1={0xff, 0x1, [], 0x1}, 0x800}, 0x1c, &(0x7f0000001880)=[{&(0x7f0000000880)="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", 0x1000}], 0x1, &(0x7f00000018c0)=[@sndrcv={0x30, 0x84, 0x1, {0x0, 0x20, 0x204, 0x6c, 0x7, 0xa63a, 0x7, 0x1000000000000000, r3}}], 0x30, 0x20000000}], 0x3, 0x4000000) connect$inet(0xffffffffffffffff, &(0x7f0000c84000)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) 2018/02/23 16:04:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000080)={@dev, 0x0}, &(0x7f00000000c0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@local, @in6=@ipv4={[], [], @local}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@dev}}, &(0x7f0000000200)=0xe8) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000240)={{{@in=@multicast2, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000340)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000380)={{{@in=@loopback, @in=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@loopback}}, &(0x7f0000000480)=0xe8) sendmsg$nl_xfrm(r0, &(0x7f0000000740)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000700)={&(0x7f00000004c0)=@delpolicy={0x204, 0x14, 0x600, 0x1, 0x2, {{@in=@dev={0xac, 0x14, 0x0, 0xe}, @in=@remote={0xac, 0x14, 0x0, 0xbb}, 0x3, 0x0, 0x2, 0xfffffffffffffffb, 0x2, 0xa0, 0xa0, 0x6f, r3, r4}, 0xc, 0x2}, [@srcaddr={0x14, 0xd, @in6=@ipv4={[], [0xff, 0xff], @empty}}, @algo_auth_trunc={0x88, 0x14, {{'wp384-generic\x00'}, 0x1e0, 0xc0, "72b62c114afe6881bd31fc9e6a240d53e31000f117e9d8ec3ab042ce1884b34e80c0147053af7955d9d7022fd5514d24bcafd74953ecc313444a2cb5"}}, @policy={0xb0, 0x7, {{@in=@empty, @in6=@empty, 0x1, 0x60545671, 0x2, 0x6, 0xa, 0x80, 0x80, 0x0, r5, r6}, {0x800, 0x7, 0x401, 0xfffffffffffffc00, 0x1, 0x20, 0xa1, 0x3}, {0x200, 0x3, 0xca5a, 0x9}, 0x4, 0x9, 0x2}}, @user_kmaddress={0x2c, 0x13, {@in=@dev={0xac, 0x14, 0x0, 0x13}, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x0, 0xa}}, @replay_esn_val={0x24, 0x17, {0x2, 0x5, 0x6, 0x1, 0x3, 0xffffffffffffffd6, [0x7, 0x7f]}}, @output_mark={0x8, 0x1d, 0x3f}, @extra_flags={0x8, 0x18, 0x3}, @ipv6_hthresh={0x8, 0x4, {0x25, 0x1d}}]}, 0x204}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r7 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r7, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) socket$inet(0x2, 0x8000f, 0x0) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:44 executing program 5: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000000)=0x0) fcntl$setown(r0, 0x8, r1) r2 = socket$key(0xf, 0x3, 0x2) openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x100, 0x0) sendmsg$key(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000002000)={0x2, 0x18, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, [@sadb_x_nat_t_port={0x1, 0x4}]}, 0x18}, 0x1}, 0x0) 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:44 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x200000, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000140)={0x0, 0x8c, &(0x7f0000000080)=[@in6={0xa, 0x0, 0xfff, @mcast1={0xff, 0x1, [], 0x1}}, @in6={0xa, 0x0, 0x27, @loopback={0x0, 0x1}, 0x1000}, @in6={0xa, 0x1, 0x7fffffff, @dev={0xfe, 0x80, [], 0x0, 0xd}, 0x80000001}, @in6={0xa, 0x2, 0x5, @dev={0xfe, 0x80, [], 0x0, 0x11}, 0x97dd}, @in6={0xa, 0x2, 0x3e0, @mcast2={0xff, 0x2, [], 0x1}, 0x9}]}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000001c0)={r2}, 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, r0, 0xfffffffffffffffd) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000200)={&(0x7f0000011000/0x3000)=nil, 0x3000}) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000240), &(0x7f0000000280)=0x14) openat$ppp(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ppp\x00', 0x101280, 0x0) 2018/02/23 16:04:44 executing program 2: getpgid(0x0) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000100)={0x0, 0x0}) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='net/dev_snmp6\x00') preadv(r1, &(0x7f00007cdfe0)=[{&(0x7f0000985fcb)=""/1, 0x1}], 0x1, 0x400000002) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 7: r0 = socket(0x200000000010, 0x2, 0x0) fgetxattr(r0, &(0x7f0000000080)=@known='com.apple.FinderInfo\x00', &(0x7f00000000c0)=""/40, 0x28) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000080)={0x0, @in6={{0xa, 0x0, 0x5, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x800}}}, &(0x7f0000000000)=0x8c) madvise(&(0x7f0000ff1000/0xe000)=nil, 0xe000, 0x13) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000140)={r1, @in={{0x2, 0x3, @multicast1=0xe0000001}}, 0x80, 0xffff, 0x4, 0x80, 0x40}, &(0x7f0000000200)=0xa0) accept$ipx(r0, &(0x7f0000000000), &(0x7f0000000080)=0x10) 2018/02/23 16:04:44 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@generic="0286ca1955fcc7f9c5796157f56b3cc2", @ifru_addrs=@llc={0x1a, 0xff, 0x6c, 0x5, 0x3, 0x1, @link_local={0x1, 0x80, 0xc2}}}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:44 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='auxv\x00') preadv(r0, &(0x7f0000233000)=[{&(0x7f00009d4000)=""/4096, 0x1000}], 0x1, 0x0) ioctl$KDGKBLED(r0, 0x4b64, &(0x7f0000000000)) r1 = getpid() syz_open_procfs(r1, &(0x7f0000000000)='ns/cgroup\x00') 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x3ff, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0xfffffffffffffbff, 0x78, 0xd4, 0xfffffffffffffffc, 0x2}, &(0x7f0000000080)=0x14) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x800}, &(0x7f0000000100)=0x8) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1f, 0x0) r3 = request_key(&(0x7f00000001c0)='id_resolver\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000240)="6d696d655f74797065aa00", 0xffffffffffffffff) add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, r3) r4 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x400000, 0x0) ioctl$EVIOCRMFF(r2, 0x40044581, &(0x7f0000000040)=0x81) listen$netrom(r0, 0x7) r5 = syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r4, 0x4c07) r6 = getpid() stat(&(0x7f0000001480)='./file0\x00', &(0x7f00000014c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getgid() sendmsg$unix(r4, &(0x7f0000001640)={&(0x7f0000000280)=@abs={0x0, 0x0, 0x2}, 0x8, &(0x7f0000001440)=[{&(0x7f00000002c0)="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", 0x1000}, {&(0x7f00000012c0)="cc56b95c5215d946", 0x8}, {&(0x7f0000001300)="8b4a07740f52efc4b7a2225740a863da70e6403ec8bdffd98defe02d232706513cc09b202fa84523b91e543e633a4e9f5ae05db04132221c72e53b7b1bbd612fa631fe73b567a915555e53772a02dcde2dbc14f3ffc9af91fea313e0a212895c7cd8776eb6b33a3262f2b2c8d85cee35a22e", 0x72}, {&(0x7f0000001380)="4b1e15611f2b707a9afc5e7d134d63f473dc1115e209deec85dd6dc2a8f1d3159bd13f67955616c85688b32f6a435803f30e8a79ef499eda1b35de616fb8b61997d00cdc7c93f64109d28efc3e5fd1d52ff0e4bd55e2cdd2b202f139f96f155349935332aba9496eaf69d8cd3f2fa021ce7553f1d4021f8c8a0b7aa93a31aaa7835e19edd865e56145b131fa77d63f3509fd08b35829c7aaa9bce765bd546b19108ce15d9189", 0xa6}], 0x4, &(0x7f0000001540)=[@rights={0x20, 0x1, 0x1, [r0, r2, r5]}, @rights={0x28, 0x1, 0x1, [r4, r5, r4, r0, r5, r2]}, @rights={0x20, 0x1, 0x1, [r4, r4, r5, r4]}, @cred={0x20, 0x1, 0x2, r6, r7, r8}, @rights={0x28, 0x1, 0x1, [r4, r4, r0, r0, r0]}, @rights={0x20, 0x1, 0x1, [r2, r5, r2]}, @rights={0x20, 0x1, 0x1, [r0, r0, r4, r2]}], 0xf0, 0x4000005}, 0x40) socketpair(0x11, 0x800, 0x100000000, &(0x7f0000000280)) 2018/02/23 16:04:44 executing program 7: r0 = socket(0x10, 0x4, 0x40) sendmsg$nl_route(r0, &(0x7f00001a1000)={&(0x7f00004d2ff4)={0x10}, 0xc, &(0x7f00006b3000)={&(0x7f0000514fac)=@ipv6_delroute={0x28, 0x19, 0x111, 0xffffffffffffffff, 0xffffffffffffffff, {0xa}, [@RTA_MULTIPATH={0xc, 0x9, [{0x9}]}]}, 0x28}, 0x1}, 0x0) 2018/02/23 16:04:44 executing program 3: stat(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/pktcdvd/control\x00', 0x103000, 0x0) r2 = socket$inet_icmp(0x2, 0x2, 0x1) connect$l2tp(r1, &(0x7f0000000100)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x1, @multicast2=0xe0000002}, 0x0, 0x3, 0x2, 0x3}}, 0x2e) setfsgid(r0) 2018/02/23 16:04:44 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_int(r0, 0x0, 0xc, &(0x7f000040f000), &(0x7f00006a0000)=0x4) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000000)='tls\x00', 0x4) 2018/02/23 16:04:44 executing program 0: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x100ffd, 0x0) sendto$ipx(r0, &(0x7f0000000040)="f5668e43d51fb24116068ecc076f23f2293cf5e2fdc1d3d2609e5aa4faa66e8ba1a81ac5b08c3e74daf012a46d6a144fb2fe5d268504975beb617d63063167dafc467bf59b4ec7d217cef7b210ad6099f6bf7a3df36b6eaa5a9c8937e3e8105a858ade8cb900898f02ea0cf781adffef8769b4e70f65d92b131b7b052aab559b9052de62fb78f987c573bcacb3943a6eb61cbe329c6708dc27d8aaec2dc4c8e61aa52f6121037b8fa226db7717675c97f0bdeb4c8226b7658e09abe0af5cc8ed9c", 0xc1, 0x10, &(0x7f0000000140)={0x4, 0x8000, 0xffffffffffffff80, "9ced6182dacf", 0x1}, 0x10) ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) 2018/02/23 16:04:44 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$unix(0x1, 0x1, 0x0) connect(r0, &(0x7f0000000ff0)=@ax25={0x3, {"439f01a53b55cb"}}, 0x10) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='projid_map\x00') ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000080)=0x80000000) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000000000/0x200000)=nil, 0x200000}) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:44 executing program 7: sched_setaffinity(0x0, 0x8, &(0x7f0000000000)) clock_nanosleep(0x0, 0x0, &(0x7f00006ba000)={0x0, 0x1c9c380}, &(0x7f0000daaff8)) r0 = accept4(0xffffffffffffffff, &(0x7f0000000040)=@l2, &(0x7f0000000080)=0xe, 0x80800) getsockopt$packet_int(r0, 0x107, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) writev(0xffffffffffffffff, &(0x7f0000000200)=[], 0x0) mlockall(0x1) 2018/02/23 16:04:44 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:44 executing program 5: r0 = userfaultfd(0x0) r1 = memfd_create(&(0x7f0000142ff7)='&keyring\x00', 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x3, @local={0xac, 0x14, 0x0, 0xaa}}}, 0x2, 0x24b, 0x8, 0x1, 0x10}, &(0x7f00000000c0)=0xa0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000100)={r2, @in6={{0xa, 0x2, 0x1, @empty, 0x1}}, 0x4, 0x1000, 0x7, 0xae, 0x3}, &(0x7f00000001c0)=0xa0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f000072f000)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_REGISTER(r0, 0xc028aa03, &(0x7f00000a0fe0)={{&(0x7f000014d000/0x800000)=nil, 0x800000}, 0x200000}) 2018/02/23 16:04:44 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000000)={{{@in6=@ipv4={[], [], @rand_addr}, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f0000000100)=0xe8) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000140)={@local={0xfe, 0x80, [], 0x0, 0xaa}, 0xfffffffffffff800, r1}) r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) lookup_dcookie(0x7a14, &(0x7f0000000040)=""/120, 0x78) r3 = socket$inet(0x2, 0xa, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r0, &(0x7f0000fd9ff8), 0x3f) 2018/02/23 16:04:44 executing program 5: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={&(0x7f0000dfeff4)={0x10}, 0xc, &(0x7f000009b000)={&(0x7f0000000000)=@getstats={0x14, 0x5e, 0x800, 0x4, 0x2, {}, ["", "", ""]}, 0x14}, 0x1}, 0x10) getsockopt$inet_dccp_buf(r0, 0x21, 0xcf, &(0x7f0000000080)=""/49, &(0x7f00000000c0)=0x31) r1 = dup(r0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r1, 0xc08c5335, &(0x7f0000000080)={0x7f, 0x1c0000000, 0x5, 'queue0\x00'}) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000000)={0x6, {{0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}}, 0x0, 0x7, [{{0x2, 0x0, @empty}}, {{0x2, 0x1, @broadcast=0xffffffff}}, {{0x2, 0x3, @loopback=0x7f000001}}, {{0x2, 0x1, @empty}}, {{0x2, 0x1, @multicast2=0xe0000002}}, {{0x2, 0x1, @multicast2=0xe0000002}}, {{0x2, 0x0, @rand_addr=0x5}}]}, 0x450) accept4$inet6(r0, &(0x7f0000000480)={0x0, 0xffffffffffffffff, 0x0, @mcast2}, &(0x7f00000004c0)=0x1c, 0x80000) 2018/02/23 16:04:44 executing program 2: open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) syz_extract_tcp_res$synack(&(0x7f0000000040), 0x1, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000f8cff8)='pagemap\x00') pread64(r0, &(0x7f0000e3e000)=""/8, 0x8, 0x100100) 2018/02/23 16:04:44 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000040)={0x0, @in6={{0xa, 0x2, 0x7, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x100}}, 0x1, 0x0, 0x4, 0x9, 0x10}, &(0x7f0000000100)=0xa0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000140)=r1, 0x4) 2018/02/23 16:04:44 executing program 3: r0 = dup(0xffffffffffffffff) setsockopt$packet_int(r0, 0x107, 0x12, &(0x7f0000000000)=0x2, 0x4) r1 = socket$packet(0x11, 0x6, 0x300) setsockopt$packet_int(r1, 0x107, 0x14, &(0x7f0000006ffc)=0x6, 0x4) write$tun(r0, &(0x7f0000000040)=@pi={0x0, 0x80f3, @eth={@remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x16}, [{[{0x9100, 0x1, 0x8f, 0x1}], {0x8100, 0xc000000000000000, 0x20}}], {@ipv4={0x800, {{0x10, 0x4, 0x9, 0x4, 0xfd, 0x3, 0x3ff, 0x0, 0x3f, 0x0, @loopback=0x7f000001, @broadcast=0xffffffff, {[@ssrr={0x89, 0x2b, 0x101, [@dev={0xac, 0x14, 0x0, 0x14}, @empty, @broadcast=0xffffffff, @remote={0xac, 0x14, 0x0, 0xbb}, @local={0xac, 0x14, 0x0, 0xaa}, @empty, @multicast2=0xe0000002, @remote={0xac, 0x14, 0x0, 0xbb}, @multicast2=0xe0000002, @broadcast=0xffffffff]}]}}, @dccp={{0x0, 0x0, 0x4, 0x1, 0x8, 0x0, 0x0, 0x9, 0x6, "05cd66", 0x0, "b5e7ed"}, "93f9331258d38d0d405b017534c616bc9601ebd47e9476d7a9fa7fcb2e2a7e0ee27f7af7df236ecaeebb9626facfb127276ad11d023c0f2a87b3bb2484e669ffcaba70a56e48e30965ae2c652c90e539a855229a16c1a26de9983fc7b452cad908704bf01edce6009fd96e36d7512d2c1482e372f31b4014d5ee52792ea4c63b1cf738f822317c8cc90c1e9c2aa6abb09e5cfe8577a937dff044defbab389cfb1006e3e7bc28cd0d0ba21da1ec"}}}}}}, 0x117) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r0, 0x111, 0x4, 0x1, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000200)={0xa, &(0x7f0000000180)=[{}, {}, {0x0}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r0, 0x4010641c, &(0x7f0000000280)={r2, &(0x7f0000000240)=""/33}) sendto$inet6(r1, &(0x7f0000003fd9), 0x0, 0x0, &(0x7f0000008000)={0xa, 0xffffffffffffffff, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) fstat(r1, &(0x7f0000000000)) getsockname(r1, &(0x7f0000000080)=@pppol2tp={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @empty}}}, &(0x7f00000000c0)=0x26) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000100)={@local={0xfe, 0x80, [], 0x0, 0xaa}, 0x2, 0x1, 0x3, 0xd, 0x8, 0x7fff, 0x6}, 0x20) 2018/02/23 16:04:45 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f000014dfc8)={&(0x7f000059cff4)={0x10}, 0xc, &(0x7f0000f9bff0)={&(0x7f0000189d44)=@updpolicy={0x27c, 0x19, 0x401, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@broadcast=0xffffffff, @in=@dev={0xac, 0x14}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xa}}, [@tmpl={0x1c4, 0x5, [{{@in=@empty}, 0x0, @in=@empty}, {{@in=@broadcast=0xffffffff}, 0x0, @in=@loopback=0x7f000001}, {{@in6=@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}, 0x0, @in6=@mcast2={0xff, 0x2, [], 0x1}}, {{@in6=@mcast1={0xff, 0x1, [], 0x1}}, 0x0, @in=@multicast1=0xe0000001}, {{@in=@empty}, 0x0, @in6=@empty}, {{@in6=@dev={0xfe, 0x80}}, 0x0, @in6=@dev={0xfe, 0x80}}, {{@in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}, 0x0, @in6=@empty}]}]}, 0x27c}, 0x1}, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x14, &(0x7f0000000000), &(0x7f0000000040)=0x10) 2018/02/23 16:04:45 executing program 3: socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000000)={0x0}) accept4$packet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000000080)=0x14, 0x80000) r1 = socket$packet(0x11, 0x0, 0x300) setsockopt$sock_int(r1, 0x1, 0x2, &(0x7f0000000000)=0x20, 0xfffffffffffffef7) socket$inet6_tcp(0xa, 0x1, 0x0) 2018/02/23 16:04:45 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f000014dfc8)={&(0x7f000059cff4)={0x10}, 0xc, &(0x7f0000f9bff0)={&(0x7f0000189d44)=@updpolicy={0x27c, 0x19, 0x401, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@broadcast=0xffffffff, @in=@dev={0xac, 0x14}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xa}}, [@tmpl={0x1c4, 0x5, [{{@in=@empty}, 0x0, @in=@empty}, {{@in=@broadcast=0xffffffff}, 0x0, @in=@loopback=0x7f000001}, {{@in6=@remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}, 0x0, @in6=@mcast2={0xff, 0x2, [], 0x1}}, {{@in6=@mcast1={0xff, 0x1, [], 0x1}}, 0x0, @in=@multicast1=0xe0000001}, {{@in=@empty}, 0x0, @in6=@empty}, {{@in6=@dev={0xfe, 0x80}}, 0x0, @in6=@dev={0xfe, 0x80}}, {{@in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}, 0x0, @in6=@empty}]}]}, 0x27c}, 0x1}, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x14, &(0x7f0000000000), &(0x7f0000000040)=0x10) [ 52.945328] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket [ 52.960559] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0xdcd) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x2, 0x3, 0xffffffffffffffff, 0x3, 0x100000000}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = dup(r0) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000000)={{{@in=@broadcast, @in6=@ipv4={[], [], @dev}}}, {{@in=@empty}, 0x0, @in6=@dev}}, &(0x7f0000000100)=0xe8) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:45 executing program 5: r0 = memfd_create(&(0x7f0000b74ff1)="6d696d655f747970655d5b2ccd4000", 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000027ff3)='/dev/snd/seq\x00', 0x0, 0x20002) dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000041000)={0x0, 0x0, 0x0, 'queue0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x007\x00'}) write$sndseq(r1, &(0x7f0000023000)=[{0x0, 0x0, 0x0, 0x0, @tick, {0x0, 0x2}, {0x0, 0x9}, @result={0x7}}, {0x0, 0x3, 0x0, 0x3, @tick, {}, {}, @queue}], 0x60) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000003a000)={0x17, @tick}) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x1, 0x0) ioctl$TUNSETIFINDEX(r1, 0x400454da, &(0x7f0000000080)=0xffff) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:45 executing program 7: sched_setaffinity(0x0, 0x8, &(0x7f0000000000)) clock_nanosleep(0x0, 0x0, &(0x7f00006ba000)={0x0, 0x1c9c380}, &(0x7f0000daaff8)) r0 = accept4(0xffffffffffffffff, &(0x7f0000000040)=@l2, &(0x7f0000000080)=0xe, 0x80800) getsockopt$packet_int(r0, 0x107, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) writev(0xffffffffffffffff, &(0x7f0000000200)=[], 0x0) mlockall(0x1) 2018/02/23 16:04:45 executing program 2: r0 = socket(0x18, 0x0, 0x1) sendmmsg(r0, &(0x7f0000000000)=[], 0x24e, 0x2000000000) connect(r0, &(0x7f0000002000)=@sco={0x1f, {0x1}}, 0x26) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2000003, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCOUTQ(r0, 0x80487436, &(0x7f0000006000)) r1 = fcntl$getown(r0, 0x9) bind$inet(r0, &(0x7f0000000000)={0x2, 0x3, @multicast1=0xe0000001}, 0x10) ptrace$poke(0x4, r1, &(0x7f0000000000), 0x0) 2018/02/23 16:04:45 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000000)={{{@in6=@ipv4={[], [], @rand_addr}, @in=@multicast2, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f0000000100)=0xe8) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000140)={@local={0xfe, 0x80, [], 0x0, 0xaa}, 0xfffffffffffff800, r1}) r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) lookup_dcookie(0x7a14, &(0x7f0000000040)=""/120, 0x78) r3 = socket$inet(0x2, 0xa, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r0, &(0x7f0000fd9ff8), 0x3f) 2018/02/23 16:04:45 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0xdcd) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x2, 0x3, 0xffffffffffffffff, 0x3, 0x100000000}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:45 executing program 5: timer_create(0xf79f751b2c8e6673, &(0x7f0000002fa0)={0x0, 0x0, 0x0, @tid}, &(0x7f0000001000)) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) 2018/02/23 16:04:45 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = fcntl$getown(r0, 0x9) ptrace$getregs(0xc, r1, 0xa5ef, &(0x7f0000000000)=""/130) setsockopt$inet6_int(r0, 0x29, 0xd0, &(0x7f0000f92000), 0x4) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000000000)) r2 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0xcb, 0x109000) setsockopt$inet_udp_encap(r2, 0x11, 0x64, &(0x7f0000000100)=0x2, 0x4) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000040)=0x3, 0x4) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r2 = dup2(r0, r0) accept4$netrom(r2, 0x0, &(0x7f0000000040), 0x800) r3 = dup(r0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000140)={0x0, @in6={{0xa, 0x3, 0x80000001, @mcast1={0xff, 0x1, [], 0x1}, 0x100}}, 0x5, 0x8000}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f0000000240)={r4, @in6={{0xa, 0x2, 0xfffffffffffffff9, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}, 0xffff}}, 0xfffffffffffffffe, 0x1, 0x100000000, 0x5, 0x2cb0653fe23b88ca}, 0xa0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x8040, 0x0) 2018/02/23 16:04:45 executing program 3: munmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000) mprotect(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0xfffffffffffffffc) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f0000000040)={0x0, 0x6}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f00000000c0)={r1, 0x20}, &(0x7f0000000100)=0x8) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = socket$inet(0x2, 0xa, 0x0) r2 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) socket$inet(0x2, 0x2, 0x40) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(0xffffffffffffffff, r0, &(0x7f0000fd9ff8), 0x100000001) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x6c, &(0x7f0000000040)=[@in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, @in={0x2, 0x3, @multicast1=0xe0000001}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, @in6={0xa, 0x3, 0x7fff, @empty, 0x3}, @in={0x2, 0x2, @loopback=0x7f000001}, @in={0x2, 0x0, @multicast1=0xe0000001}]}, &(0x7f0000000100)=0x10) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000000)=0x12, 0x4) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000140)={r3, @in={{0x2, 0x0, @rand_addr=0xba}}, 0x8001}, &(0x7f0000000200)=0x98) 2018/02/23 16:04:45 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0xdcd) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x2, 0x3, 0xffffffffffffffff, 0x3, 0x100000000}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:45 executing program 7: r0 = open(&(0x7f0000003000)='./file0\x00', 0x40, 0x0) ioctl$TIOCLINUX2(r0, 0x40305828, &(0x7f0000001ff4)={0x2, 0xfffffffffffffffd}) get_thread_area(&(0x7f0000000000)={0xa1, 0x20001800, 0x4000, 0x80000001, 0x4b24, 0x5, 0xd83, 0x9, 0x1}) 2018/02/23 16:04:45 executing program 3: rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000021ff8)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f00004a8000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_int(r3, 0x6, 0x0, &(0x7f0000000000)=0x8, 0x4) fcntl$setpipe(r3, 0x407, 0x0) writev(r3, &(0x7f000000b000)=[{&(0x7f0000c01f96)="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", 0x1001}], 0x1) flock(r1, 0x3) dup2(r0, r2) 2018/02/23 16:04:45 executing program 7: r0 = open(&(0x7f0000000000)='./file0\x00', 0x200003, 0x100) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000040), &(0x7f0000000080)=0x4) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f00000000c0)={0x0, 0x0}) ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000100)=""/229) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000200)={0x0, 0xdf, "2bdb781eb7467947dfe446b9bd5283cb30910984ede18a14e66bb5db69c490bf72fbe24b996f2be7cd6d7d94f3cf5528c2a5b49197ae984723248624d7e671c20d56d986e33cc45e167e98c54911efe914c1e37118f250e154b99d3877cc37f0a2c4e4fc2a99b4b1962ec99ca7256ebee1705b6b1009432d85a632d1430d8a2f61eee004e7d4d176aa3b4be3a856c8a74f6128fea3719eb3cfa8ab1af7ff7e02ffdbd6123217662297f6b3ab654f9320effbaddcbf721cc7e954624357672842a5e22f955dc57e739ca1d9c8cc587074c5cffd7e77b920839b6702fab11648"}, &(0x7f0000000300)=0xe7) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000340)=@assoc_value={r3, 0x5}, &(0x7f0000000380)=0x8) times(&(0x7f00000003c0)) pivot_root(&(0x7f0000000400)='./file0\x00', &(0x7f0000000440)='./file1\x00') ioctl$TCSETAW(r0, 0x5407, &(0x7f0000000480)={0x3, 0x5b, 0x1f, 0x3f, 0x5, 0x0, 0x28c3, 0x9, 0x200, 0x1}) fcntl$getownex(r1, 0x10, &(0x7f00000004c0)) umount2(&(0x7f0000000500)='./file1\x00', 0x4) connect$netlink(r0, &(0x7f0000000540)=@proc={0x10, 0x0, 0x3, 0x100000}, 0xc) r5 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000580)='/selinux/enforce\x00', 0x101000, 0x0) sendto$ax25(r0, &(0x7f00000005c0)="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", 0x1000, 0x20000800, &(0x7f00000015c0)={0x3, {"749ae9e643041b"}, 0x5}, 0x10) ioctl$sock_ipx_SIOCIPXCFGDATA(r5, 0x89e2, &(0x7f0000001600)) r6 = openat$keychord(0xffffffffffffff9c, &(0x7f0000001640)='/dev/keychord\x00', 0x141300, 0x0) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000001680)={@multicast1, @multicast1}, &(0x7f00000016c0)=0xc) syz_open_dev$sndseq(&(0x7f0000001700)='/dev/snd/seq\x00', 0x0, 0x900) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r6, 0x84, 0x72, &(0x7f0000001740)={r4, 0xfff}, &(0x7f0000001780)=0xc) r8 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000017c0)='/dev/sequencer\x00', 0x10241, 0x0) ioctl$int_out(r8, 0x2, &(0x7f0000001800)) ioctl$sock_inet_udp_SIOCOUTQ(r6, 0x5411, &(0x7f0000001840)) getsockname$llc(r8, &(0x7f0000001880)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f00000018c0)=0x10) ioctl$UFFDIO_ZEROPAGE(r8, 0xc020aa04, &(0x7f0000001900)={&(0x7f0000ffa000/0x3000)=nil, 0x3000}) setsockopt$inet_mreq(r0, 0x0, 0x27, &(0x7f0000001940)={@empty, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x8) dup(r8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r6, 0x84, 0x73, &(0x7f0000001980)={r7, 0x3, 0x0, 0x4, 0x5}, &(0x7f00000019c0)=0x18) socket$inet6_icmp(0xa, 0x2, 0x3a) ioctl$TIOCSTI(r8, 0x5412, 0xd2) ioctl$fiemap(r5, 0xc020660b, &(0x7f0000001a00)={0x7, 0x20, 0x2, 0x4800, 0x5, [{0x6, 0x200, 0x5, 0x0, 0x0, 0x200}, {0x0, 0x6, 0x7, 0x0, 0x0, 0x1000}, {0x401, 0x3, 0xd2, 0x0, 0x0, 0x8}, {0x3, 0xb3d3, 0x1, 0x0, 0x0, 0x800}, {0x0, 0x10001, 0x100000000}]}) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x54, 0x0) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000040)) r1 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) syz_open_dev$loop(&(0x7f0000000100)='/dev/loop#\x00', 0x5, 0x8000) ioctl$TIOCGPTPEER(r0, 0x5441, 0x36f) 2018/02/23 16:04:45 executing program 3: exit(0x20) keyctl$assume_authority(0x10, 0x0) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) sendfile(r0, r0, &(0x7f0000000040), 0x5) 2018/02/23 16:04:45 executing program 2: r0 = memfd_create(&(0x7f000003e000)="002670726f63eb657972696e6740", 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000dd5000)='/dev/snd/seq\x00', 0x0, 0x0) dup2(r1, r1) memfd_create(&(0x7f0000000000)='%trusted\x00', 0x3) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f00006f1000)={0x0, 0x2}) 2018/02/23 16:04:45 executing program 7: mkdir(&(0x7f0000fb3000)='./file0\x00', 0x0) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) write$eventfd(r0, &(0x7f0000000040)=0x2, 0x8) mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000078eff8)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000653fff)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000f19000)=@file={0x200000001, './file0/bus\x00'}, 0xe) 2018/02/23 16:04:45 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) fcntl$getflags(r0, 0x40b) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x400000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000000040)={0x7, 0x209, 0x100000001, 0x8, 0x0}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000000c0)={r2, @in6={{0xa, 0x1, 0x0, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x9}}, 0x80, 0x5}, 0x98) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000da8000), 0x1) 2018/02/23 16:04:45 executing program 0: r0 = socket$inet6_dccp(0xa, 0x6, 0x0) fallocate(r0, 0x3, 0x0, 0x8) r1 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) sched_yield() ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) r2 = open(&(0x7f0000000000)='./file0\x00', 0x400, 0x100) ioctl$sock_inet6_tcp_SIOCATMARK(r2, 0x8905, &(0x7f0000000040)) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)="6d65742f69676d60001009282c785837b7c196550a09ae6969d592cbd9e1379ee8444746100f") ioctl$VT_RELDISP(r3, 0x5605) 2018/02/23 16:04:45 executing program 2: r0 = open(&(0x7f0000000000)='./file0\x00', 0x40, 0x80) getsockname$netrom(r0, &(0x7f0000000040)=@ax25, &(0x7f0000000080)=0x10) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f000001bfc8)={&(0x7f00007a9000)={0x10}, 0xc, &(0x7f0000835000)={&(0x7f0000adaf98)=@ipv6_newroute={0x24, 0x18, 0x501, 0xffffffffffffffff, 0xffffffffffffffff, {0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@RTA_METRICS={0x8, 0x8, '\x00'}]}, 0x24}, 0x1}, 0x0) 2018/02/23 16:04:45 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000570ff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000000)={{0x80}, 'port0\x00', 0xbf, 0x80003, 0x0, 0x0, 0x0, 0x2, 0x8}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f00000000c0)={{0x20000000000080}, "0a4ceaa05dad126e00000002a1569b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42d576589701a4", 0x79, 0x10000a}) fcntl$dupfd(r0, 0x406, r0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00008f8ff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) mmap(&(0x7f0000013000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ppoll(&(0x7f0000000040)=[{0xffffffffffffffff}], 0x0, &(0x7f0000000000), &(0x7f0000000ff8)={0x4}, 0xfffffffffffffea8) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) remap_file_pages(&(0x7f0000abc000/0x3000)=nil, 0x3000, 0x2000000, 0x0, 0x2) 2018/02/23 16:04:45 executing program 3: r0 = signalfd4(0xffffffffffffffff, &(0x7f0000006000), 0x8, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f000001bff4)) signalfd4(r0, &(0x7f0000000040), 0x8, 0xe76b0711a0ede000) r2 = memfd_create(&(0x7f0000000000)='\x00', 0x2) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000080)=@assoc_id=0x0, &(0x7f00000000c0)=0x4) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000100)={r3, 0xd7d}, 0x8) 2018/02/23 16:04:45 executing program 7: r0 = syz_open_dev$binder(&(0x7f00001ab000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f000000a000)={0x34e, 0x0, &(0x7f00001e4ff8)=[@acquire={0x40046305}], 0x0, 0x0, &(0x7f0000005fac)}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000007fd0)={0x8, 0x0, &(0x7f0000d06000)=[@decrefs={0x40046307}], 0x0, 0x0, &(0x7f0000000040)}) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x101000, 0x0) r2 = getpgrp(0xffffffffffffffff) lstat(&(0x7f0000002640)='./file0\x00', &(0x7f0000002680)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000002700)={0x0, 0x0, 0x0}, &(0x7f0000002740)=0xc) r5 = gettid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000002780)={0x0, 0x0}, &(0x7f00000027c0)=0xc) r7 = getegid() r8 = getpgid(0xffffffffffffffff) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000002800)={0x0, 0x0}, &(0x7f0000002840)=0xc) fstat(r0, &(0x7f0000002880)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r11 = getpgrp(0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000002900)={{{@in=@multicast1, @in=@multicast1, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@dev}}, &(0x7f0000002a00)=0xe8) lstat(&(0x7f0000002a40)='./file0\x00', &(0x7f0000002a80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000002b00)=0x0) stat(&(0x7f0000002b40)='./file0\x00', &(0x7f0000002b80)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000002c00)={0x0, 0x0, 0x0}, &(0x7f0000002c40)=0xc) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000003e00)=0x0) r18 = geteuid() lstat(&(0x7f0000003e40)='./file0\x00', &(0x7f0000003e80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r20 = getpgrp(0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000003f00)={{{@in6=@remote, @in=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@empty}}, &(0x7f0000004000)=0xe8) r22 = getgid() ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000180)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000007040)={{{@in=@local, @in6=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@broadcast}}, &(0x7f0000007140)=0xe8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000007180)={0x0, 0x0, 0x0}, &(0x7f00000071c0)=0xc) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000007200)=0x0) getresuid(&(0x7f0000007240), &(0x7f0000007280)=0x0, &(0x7f00000072c0)) r28 = getegid() r29 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000079c0)='/dev/vga_arbiter\x00', 0x41, 0x0) r30 = getpid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000007a00)={{{@in6=@local, @in=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@empty}}, &(0x7f0000007b00)=0xe8) getgroups(0x6, &(0x7f0000007b40)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0]) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000007b80)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000007bc0)={{{@in=@rand_addr, @in6=@dev, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@dev}}, &(0x7f0000007cc0)=0xe8) fstat(r0, &(0x7f0000007d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r36 = fcntl$getown(r0, 0x9) stat(&(0x7f0000008000)='./file0\x00', &(0x7f0000008040)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f00000080c0)='./file0\x00', &(0x7f0000008100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r39 = getpgrp(0x0) getresuid(&(0x7f0000008180), &(0x7f00000081c0)=0x0, &(0x7f0000008200)) r41 = getgid() sendmmsg$unix(r1, &(0x7f00000082c0)=[{&(0x7f0000000040)=@abs={0x1, 0x0, 0x3}, 0x8, &(0x7f0000002580)=[{&(0x7f0000000080)="db27bd881c97677400f607456bb7678efea5b15edbbdb616b03117df37d57e0cda18506cf714cc6fcfdcc0d863107e0b32af12c0fe8707b36c6d2b842bf92140f25d3345613d30ef748cb4145fb7b53c5fbfcec5c9f9459faf56d3a0ade44a322d829d2091349d165a1f90a874ee8bd984404d8253fcd5b69d78ececef2a256f10aa9ee30ae447535df4112fba4c5f10fb64cc79c09118054b", 0x99}, {&(0x7f0000000140)="be36507a1cd52cac3049f2d998c0ea39d7ed429f41e411a2a87403ae8254c4341c5f3239ba8943bc76a0301df6ae7d945cc76d7c784b89f35b696e3045f03a96cfab45ee5b528339f78d878efd7c8e34ecf19989b97f3d9bc1372b0971898440bd05f9865166ce4d9b496e843d8f0ff64ea24bf1c8895f2d693b031ada159c691e3f2c0193e7a5d7d083773fd0b95bac31c9b1f8f2f6f2e8ca720ac092c4684f948bb1e257ed0112cb8f9de9e18a08ba6e4372a59c82eff8c6796571ac67d3fd3b21715f86db82bf94666c1f2c93fc041c49d89dffaa47bddf09f847435069ea4a9a2c5f6b510b934a", 0xe9}, {&(0x7f0000000240)="bb870ff83baf6de50d3db6218eef4049cefd5e750ed9b02cd4b7cdc74822f4ab186566e4a346c603006245af4a05c493b89c1ac69e6ea12812ecb9c5ef09f71e77454659c88076a19af5a355d76fe89552314d430a541362cef75f8145693556bca30b91110066248601c084a67cc16849498a8f", 0x74}, {&(0x7f00000002c0)="d3fd1a8b722b0d6a2176f3a8883e5270abed61e8ea8a1d48966ace0083cc500d6f0ce42e98f1a5697015d06fdcd6b39a0ef3095a4dd157cbe1ac60c562eced6a18576acb69a5134b4f6c98f319fb778e32469ffdea41f2effe2cda788cee004e2add0c81c34077145de0da71a26e1968f388ff5d2b8de19b511c83d05eabdc3cf1c8e47817fab4b5f4d568172011424d5b1938911b64cb92d29c2727f53b7c67a98f", 0xa2}, {&(0x7f0000000380)="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", 0xff}, 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&(0x7f0000007940)=[{&(0x7f0000007400)="e5931d9bc2337ad5a2b64293cdb0f3350f4c6a6a3df5f21c2f4cbb302ae7da8f17aef12c9450cfdee349e43adada76b1748838bb6b5288b63a574cdd30dd25e915bd075c29e6f90cbda1777f5791100265973a13bff4437898cbeb716eb60b16c8cbe25f43dc9d1e241c378a4e1835ab798f292dbd3ae5dbc8f984e0689bd65eb1bbd597dbd74c", 0x87}, {&(0x7f00000074c0)="28417e2c2f5353100cc111f6af4d04c8048c8cebae544af8ad3ed42b5d0a3990c56b9ecbc7ac9254246de2b1c46799040a00943a070880f435b1637ca050b3a4d0471d240507d7c3a1b16c0da114d7306f3bc1cda85e7b0eabad701adf12ee5fd35363142a81d7e2e80bd958e6bf399340fdce073f50bc2faa84b3bc91537276c6f6684ddc5ebf9c579f81cf82bd8c3ef93a5619404d09ff15f8332dd084f858b8061429e367c329c30698160898d6eb0d7a8d01c35f04a710349ea89add64d16c57007b79a47850af8faa0dfcbec2c05871f29b74", 0xd5}, {&(0x7f00000075c0)="9f2753002edf0759e77969c8f4bcc2bb7e8c31a5fe3d817b289e267bae8e7bbf4d64d3b0dae576932b16c2977cd9e7f7a8b4370e0183033894052cb0bfd8edfbecb6efbfe799fba070ccf6df549cf11aae5a5633941d38c4b468164cde84be74cb2c1818016e9c8f90c827d1afb0005a3acfb9c90a46c3c06933ff05c60b095f490110e0e8ef3cd03940d8fba02d24ad66919d924d623310be8a352bb237e4949d0befb831e2d035ca839d6af241f843081e73a7bd955159a05cb93afa2ec8f58fb7f4b887eb2077983f8732ddf04f03d240c6d30ad8be0aecda54d1f369dd552a", 0xe1}, {&(0x7f00000076c0)="8a13ba22e6938c415b3c939623e24a441b0f827d33dacb49fde53400890b6d4a52de87d1617803ec3fa38ea9192d0a9190f621fb37a6a2aa93afcf4bda6970b9c5f6ce1b65c40dd800552440ef48851f3e03629bb0eb78f4f274a2c2fcb5b01060f5fb8fc1d90b858442d0da529227caafb42b11946c5b3d659560b2bae591b99a0f313b5de1ebf36464142f3704f55ad553e749648814a88f6d860fb116106794a156ff99e8aab12c351a5f196c0a13078f35f305d5c6cdc4aaf4771d5aa465c8f0579bc3d52a2801f25f", 0xcb}, {&(0x7f00000077c0)="b90beea17d997bd43fca17d871fbc1ed78b982ef470e49f629e779dd3f02068c96402301599cc350e7d30155db3b6b5eae7fb0e1b21dc61e", 0x38}, {&(0x7f0000007800)="3e68fc7441c03e36a62471d3f4b627915a489a8c4fc6cd66fd01ad62f4f4fad03397d944f49de1aaee1ad59b14105ab35a057ff098a92e263ebe607a1954efad", 0x40}, {&(0x7f0000007840)="771792759d6f08d0ce8ea406733e9bdac4b428e8007c23c8d8e0c76d1d42796f6b191a13ac445a1d5cb3be50194afd20f84cb17a79e528f88fbc85f90ed5243221581b31471736b8d791ad64fb0866a2f3e0d37c9bd7a634bac97a757b4aac2568547eb8664e1f6918a48f939f155b700423154bd05bcafaa18ad664d1cca522609c0e2677b1d7fae6291c4f2cec760785b1d39564d124f00f19280b9d679cc7897156fbbd31838c360aceb22929ed40e84961508da7200cf0956dfc91c0cfa182ffe9d1f04c12fd44e62e84a8146cf1a0e009", 0xd3}], 0x7, &(0x7f0000007d80)=[@rights={0x20, 0x1, 0x1, [r0, r0, r29]}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r30, r31, r32}, @cred={0x20, 0x1, 0x2, r33, r34, r35}], 0xc8}, {&(0x7f0000007e80)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000007f80)=[{&(0x7f0000007ec0)="02bb16a996567a65ee6f3d21c72b51336876af1464a865689e2499", 0x1b}, {&(0x7f0000007f00)="df75a8739a0b7f26b31e42bf0f313a821356f4b7314ce72c2286fe3b2051db1bb5e8d78bbea778d7597eb12046f6094d99236c0c24c624e335a4b75ddb55225a48", 0x41}], 0x2, &(0x7f0000008240)=[@cred={0x20, 0x1, 0x2, r36, r37, r38}, @cred={0x20, 0x1, 0x2, r39, r40, r41}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}], 0x70, 0x10}], 0x7, 0x0) 2018/02/23 16:04:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0x3, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f0000000040)={0x8, 0x3, 0x2, 0xffffffffc3e91ebd, 0x80000001, 0x9b}) ioctl$EVIOCRMFF(r0, 0x40044581, &(0x7f0000000080)=0x40be) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) connect$vsock_stream(r0, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @any=0xffffffff}, 0x10) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) pwrite64(r1, &(0x7f0000000080)="e8ef7b6a7039c0b644543cb22bb01fbee75ebeae648a236120e5f52337e313a824e0760e53c0ec0af20d3984a400d56c05253283d0b84969d06184f9dca4fb65dd886019b8410111d55b61d7d54c48a9d70bc625a4ace788a03e583c9aabeef1c6caf6dd15e72616f0e18c6d652f3f08c70db507d231651e8f4f3c37d21ee6bd2c378b8a923ae0e29e98281013409400329cd2a0b695c991e8bbef1bff6a3625b889767e1780dad7a251ebf0371213a6e26e2d4ae3a297c90553bebba849d5e944ec3dfc8a5a9f38b9a50abf742a7aae316b0a23b48abc4af947327590aecec6d2599b835bcb5668dd87eb70732507a7", 0xf0, 0x0) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 2: futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000d8d000)={0x77359400}, &(0x7f0000000040), 0x0) personality(0x4000009) futex(&(0x7f0000000000), 0xc, 0x1, &(0x7f0000b7dff0), &(0x7f0000000100), 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x180, 0x29) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffff8) r2 = request_key(&(0x7f0000000140)='id_legacy\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000001c0)='\x00', 0xfffffffffffffffe) keyctl$negate(0xd, r1, 0x5, r2) syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0xfffffffffffffffe) 2018/02/23 16:04:45 executing program 3: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x40000, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000040)="812d109e4c3aac0990625bdce6229167", 0x10) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x1, &(0x7f0000f79ff8)=[{0x6, 0x0, 0x0, 0xfffffffffffffffb}]}) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0x100, 0x4}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000180)={r1, 0x5, 0x30}, 0xc) sync() stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)) 2018/02/23 16:04:45 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000571ff7)='/dev/sg#\x00', 0x0, 0x200000000000) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0xffffffffffff335e) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2283, 0x0) openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) [ 53.464036] binder: 7845:7851 unknown command 0 [ 53.473735] binder: 7845:7851 ioctl c0306201 2000a000 returned -22 [ 53.486111] binder: 7845 invalid dec weak, ref 13 desc 0 s 1 w 0 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000571ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x6000020000001274, &(0x7f0000b04fff)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) userfaultfd(0x800) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getrandom(&(0x7f0000000040)=""/33, 0x21, 0x3) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x7) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) nanosleep(&(0x7f0000000040)={r1, r2+30000000}, &(0x7f0000000080)) 2018/02/23 16:04:45 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000ad9000)='attr/current\x00') ftruncate(r0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) [ 53.517708] binder: 7845:7875 unknown command 0 [ 53.524287] binder: 7845:7875 ioctl c0306201 2000a000 returned -22 [ 53.531056] binder: BINDER_SET_CONTEXT_MGR already set [ 53.543755] binder: 7845:7851 ioctl 40046207 0 returned -16 [ 53.549063] binder: 7845 invalid dec weak, ref 14 desc 0 s 1 w 0 2018/02/23 16:04:45 executing program 3: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x40000, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000040)="812d109e4c3aac0990625bdce6229167", 0x10) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x1, &(0x7f0000f79ff8)=[{0x6, 0x0, 0x0, 0xfffffffffffffffb}]}) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0x100, 0x4}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000180)={r1, 0x5, 0x30}, 0xc) sync() stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 5: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet6_dccp_int(r0, 0x21, 0xa, &(0x7f0000000100), &(0x7f0000000140)=0x4) seccomp(0x1, 0x0, &(0x7f0000158000)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) r1 = memfd_create(&(0x7f0000000040)='\x00', 0x0) getsockopt$ax25_int(r1, 0x101, 0xd, &(0x7f0000000080), &(0x7f0000000200)=0x4) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x5, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000040)={0x0}) getsockname$packet(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f00000000c0)=0x14) 2018/02/23 16:04:45 executing program 2: capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f0000031000)={0x0, 0x1fd, 0x3}) prctl$intptr(0x4000020000001, 0xfffffffffffffffc) 2018/02/23 16:04:45 executing program 7: mkdir(&(0x7f000002b000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000002c000)='./file0\x00', &(0x7f000002cffa)='ramfs\x00', 0x0, &(0x7f000000a000)) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) r2 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x80000, 0x0) getsockopt$inet_dccp_buf(r2, 0x21, 0xe, &(0x7f0000000080)=""/162, &(0x7f0000000140)=0xa2) utimes(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{0x77359400}, {r0, r1/1000+10000}}) creat(&(0x7f0000f66ff4)='./file0/bus\x00', 0x0) mount(&(0x7f0000f68000)='./file0/bus\x00', &(0x7f0000d5b000)='./file0\x00', &(0x7f0000f68ffb)='aufs\x00', 0x12000, &(0x7f000020f000)) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3f, 0x202) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x20001, 0x0) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f00005e6ff8), &(0x7f0000080ffc)=0x8) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0xfffffffffffffffd, 0x0) ioctl$TIOCGPTPEER(r3, 0x80247009, 0x20000000) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:45 executing program 3: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) write$tun(r0, &(0x7f0000dae000)=@hdr={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x28, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @multicast2=0xe0000002, @multicast1=0xe0000001, {[]}}, @tcp={{0xffffffffffffffff, 0xffffffffffffffff, 0x42424242, 0x42424242, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, {[]}}}}}, 0x3ba) ioctl(r0, 0x227c, &(0x7f000097e000)) fcntl$notify(r0, 0x402, 0x10) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000)={0x1, 0x6}, 0xfffffdd0) 2018/02/23 16:04:45 executing program 2: clone(0x0, &(0x7f0000001000), &(0x7f00000001c0), &(0x7f0000000080), &(0x7f0000000040)="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") setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x2a, &(0x7f0000000100)={0x0, {{0x2, 0xffffffffffffffff, @dev={0xac, 0x14}}}}, 0x90) 2018/02/23 16:04:45 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000a99ff6)='/dev/ptmx\x00', 0x2001, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) read(r1, &(0x7f0000000000)=""/111, 0x6f) ioctl$TCSBRKP(r0, 0x5425, 0x3) ioctl$TCSETS(r0, 0x5402, &(0x7f0000272fdc)) write(r0, &(0x7f0000b84ec6)="9c", 0x1) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x100) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:45 executing program 7: getpeername(0xffffffffffffff9c, &(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}, &(0x7f0000000040)=0x3a) pipe(&(0x7f0000000080)={0x0, 0x0}) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000100)={r2, 0x1}) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x1}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000100)={r3, 0x4}, &(0x7f0000000140)=0x8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000180)={0x0}, &(0x7f00000001c0)=0xc) sched_getattr(r4, &(0x7f0000000200), 0x30, 0x0) keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a, 0x1}) 2018/02/23 16:04:45 executing program 2: futex(&(0x7f000028e000), 0xa, 0x0, &(0x7f0000e11ff0), &(0x7f0000f83ffc), 0x0) pipe(&(0x7f0000000000)={0x0}) ioctl$GIO_FONT(r0, 0x4b60, &(0x7f0000000040)=""/214) 2018/02/23 16:04:45 executing program 3: mkdir(&(0x7f0000062ff6)='./control\x00', 0x0) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000040)={0x0, 0x8380000000000000}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in={{0x2, 0x2, @multicast1=0xe0000001}}, 0x5, 0x6, 0x6, 0x5, 0x2}, &(0x7f0000000180)=0xa0) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f00000001c0)={r1, 0x77a, 0x9, 0x6, 0x4d, 0x578, 0x5, 0x5, {r2, @in={{0x2, 0x0, @multicast2=0xe0000002}}, 0xffff, 0x6, 0x6, 0x3, 0x81}}, &(0x7f0000000280)=0xb8) r3 = inotify_init1(0x800) inotify_add_watch(r3, &(0x7f000003cff6)='./control\x00', 0x220001a1) open(&(0x7f0000000000)='./control\x00', 0x0, 0x0) read(r3, &(0x7f0000058fef)=""/32, 0x20) 2018/02/23 16:04:45 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) readv(r2, &(0x7f00002e0fa0)=[{&(0x7f0000bb8000)=""/4096, 0x1000}], 0x1) r3 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) lseek(r3, 0x0, 0x3) ioctl$sock_inet_sctp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) 2018/02/23 16:04:45 executing program 3: r0 = accept4$inet(0xffffffffffffff9c, &(0x7f0000000000)={0x0, 0xffffffffffffffff, @local}, &(0x7f0000000040)=0x10, 0x80000) getitimer(0x0, &(0x7f0000000080)) ioctl$int_in(r0, 0x5421, &(0x7f0000000080)=0xffffffffffffffff) r1 = syz_open_procfs(0x0, &(0x7f000047d000)='pagemap\x00') pread64(r1, &(0x7f0000fd7000)=""/8, 0x398, 0x100000) vmsplice(r1, &(0x7f0000000300)=[{&(0x7f0000000000)="91025d8e936d6fa6d4ea170db2ac9fb18ecbc28f473ac9bd992ec73d4bfad9e789c4483c5edda75a9654df3fe80179f087b80bb1918ec7b551f16896728d4206d0cc6c5dd50f2270485a3eb6607202dd7430107c574b5364cb020afe67294f65df7b9a4b0db13aca1706172de227", 0x6e}, {&(0x7f0000000080)="da3df2d3cb2154b7cb71ddb512c461d43dfaf78b11c4e10852fff1e07eb973dc93b0a0a639ded9f38a6a2ec8fd2c542b4c1c887c621c5c3c60dae11ff8529d14969e092a03b7d48843", 0x49}, {&(0x7f0000000100)="45e7cd86b9891e18bbe2154e78eb79ba11c5e1aed96a8385fe9a68676c2116658333cc3babfe98bbe51438f1c3249bd7b365aac055cfc6ed21e84d5a92550fb5fe5b841e4333d8932d12d070f42f17fbef08d3fb07848d94394f93d8f85286a4297ae8d63653c9eea2c7b79adff58c8636967fcb337c841f9cdb527e6a6dd633a0591c3a29d6428ce9c5e82271", 0x8d}, {&(0x7f00000001c0)="9c66aa797d3b826a5bfca8254ba49d58f88af10c7c923fcf0df79fe9b25454630c6466bb9b066e8b0989762f56ce6bb0738567b3752422f3dd1cd1843bee0d591da3361d006c16ff90bbb175d4a1b1b5a1de008cccfb1846491206ee6dd2185444fb1cf0622eabeb9b0bfa349675b08318387a4a94b6d44ad47fae52b030c77313c6c3a0b3bc09f208dd06cab867a130d0c9fd307c36ad1f51b8e7cdd72532c2b2413886cffc4a12ea0196c60fce149c93b211c2fc75d99457939bd13a2f1df58eca7bd928350a97ef45763766e618831508522a81e951bc270970be22721f4b", 0x3}, {&(0x7f0000000000)="55242e1c3100d688962ba71bd7f6ce7c3d7990e463e0ab4d2f", 0x19}], 0x5, 0x0) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0x0, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 3: fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000000)) r0 = getpid() r1 = syz_open_procfs(r0, &(0x7f0000000080)='net/icmp\x00') read$eventfd(r1, &(0x7f0000000040), 0x8) ioctl$PIO_FONT(r1, 0x4b61, &(0x7f0000000080)="2da56eab98398cdf75f090307823d139835c66cad4e51cfbf06c0250026a412b28c3a05e5a5238d52352ab246b5542aa4636a9bd35feae7cc8b1fa6033946ef4c71d9fa002097ba2a529268b2474f0b6007d1aa2e8d30b6793114e83710c10e64dc58a97c0c06290608aaf6d8db21b18d28e4c1df30270a9f5bc8b05aed69214e2be5a4a705a7e6caa3b75980292b2542252d15bc5af515fd295dbea0103ec6dd6bbc272d82a448984cf40e691cf2db4ece6ebc188eecbb6aeaa3426fdce60ab5101949b8a82003a61d8651f91426711ed82536d81817c8cce3a1eb8") [ 53.722421] device gre0 entered promiscuous mode 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) openat$selinux_context(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/context\x00', 0x2, 0x0) 2018/02/23 16:04:45 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x80, 0x0) openat$selinux_user(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/user\x00', 0x2, 0x0) getsockname$netlink(r1, &(0x7f0000000040), &(0x7f0000000080)=0xc) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000040)="56cd0ac56d7bdc9a0aaeb3a63c947f04", 0x10) sendmsg$nl_xfrm(r0, &(0x7f000000b000)={&(0x7f0000dca000)={0x10}, 0xc, &(0x7f00005a6ff0)={&(0x7f0000aa7ec8)=@newsa={0x138, 0x10, 0x713, 0xffffffffffffffff, 0xffffffffffffffff, {{@in6=@ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, @in=@multicast2=0xe0000002}, {@in=@remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, 0xffffffffffffffff, 0x6c}, @in6=@loopback={0x0, 0x1}, {}, {}, {}, 0x5, 0xffffffffffffffff, 0x2}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x267}, 0x1}, 0x0) 2018/02/23 16:04:45 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x80, 0x0) getsockname$inet6(r1, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f0000000080)=0x1c) epoll_create(0x100) connect$netlink(r0, &(0x7f0000000000)=@kern={0x10}, 0x1) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000000040)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8)={0xadf2}, 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000100)={&(0x7f0000007000/0xe000)=nil, 0xe000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:45 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x1, 0x0) ftruncate(r1, 0x0) r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r3 = socket$inet(0x2, 0xa, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:45 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000481000)='/dev/net/tun\x00', 0x0, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000927fd8)={@common='gre0\x00', @ifru_mtu=0xef3a}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f000062ffe0)={@common='gre0\x00', @ifru_flags=0x301}) readv(r2, &(0x7f00002e0fa0)=[{&(0x7f0000bb8000)=""/4096, 0x1000}], 0x1) r3 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) lseek(r3, 0x0, 0x3) ioctl$sock_inet_sctp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) 2018/02/23 16:04:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:45 executing program 5: r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x4000, 0x0) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffff9c, 0xc008640a, &(0x7f0000000040)={0x0}) r2 = open(&(0x7f0000000080)='./file0\x00', 0x40000, 0x22) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f00000000c0)={r1, 0x80000, r2}) keyctl$unlink(0x9, 0x0, 0x0) 2018/02/23 16:04:45 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x5, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) socketpair$packet(0x11, 0x3, 0x300, &(0x7f0000000040)={0x0}) getsockname$packet(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f00000000c0)=0x14) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa, 0x2000000000}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:45 executing program 5: r0 = inotify_init1(0x0) r1 = accept4$unix(0xffffffffffffffff, &(0x7f0000000000)=@abs, &(0x7f0000000040)=0x8, 0x80800) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r3 = open(&(0x7f0000000080)='./file0\x00', 0x3fd, 0x4) r4 = getpid() getresuid(&(0x7f0000000100), &(0x7f0000000140)=0x0, &(0x7f0000000180)) lstat(&(0x7f00000000c0)='./file0/file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = getpid() ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000740)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000000780)={{{@in6=@dev, @in6=@dev, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6=@ipv4={[], [], @loopback}}}, &(0x7f0000000880)=0xe8) fstat(r1, &(0x7f00000043c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r11 = getpid() flock(r3, 0x4) r12 = geteuid() fstat(r1, &(0x7f0000006940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f00000069c0)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000006a00)={{{@in6=@local, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@dev}}, &(0x7f0000006b00)=0xe8) ioctl$PPPOEIOCSFWD(r3, 0x4008b100, &(0x7f00000000c0)={0x18, 0x0, {0x4, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}, @syzn={0x73, 0x79, 0x7a, 0x0}}}) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000006b40)={0x0, 0x0, 0x0}, &(0x7f0000000280)=0xffffff4e) sendmsg$netlink(r3, &(0x7f0000006c40)={&(0x7f00000000c0)=@proc={0x10, 0x0, 0x2, 0x8}, 0xc, &(0x7f00000068c0)=[{&(0x7f0000000280)={0x3d8, 0x16, 0x20, 0x3, 0x2, "", [@nested={0x1f0, 0x4a, [@generic="92a749080926857737d7684b529c550d056268174d97b55456c42057a038e995ec7c36d0bb3915e13b6216b391f79f2f495de00598f4adebb1b25ad16097ed0a7a80589757a3887acf2e6978eec03c5ddbca", @typed={0xc, 0x1e, @pid=r4}, @typed={0xc, 0xd, @uid=r5}, @typed={0xc, 0x19, @fd=r0}, @typed={0xc, 0x3e, @uid=r6}, @generic="18dc4d75b9288e9de0ab5db6211e36c1380a161038558e8317c62c9b3bbd215b4fc0d7173d1115b2eaae7171878e00218c8cc80e107b55097c785a823ce2c7666e7c6160317d3cff59c60d6d16f46bd4b473adfb7b00fe2788b28c2a4ab96c90e2c4feec88f3b1e371957cab82e90ff850674d9c7a686cbc27bb633d5aae2d698cd69edcd4d171f3b6d6be3fcb6ba18e56f6237573cbb0baa04d1e3380e011c90380bc23b7b2de2be157d763db4d742f4440e7dbcbaa88045976eb71", @generic="6c4452039710e174bbc07512c81f3a21783f87a26290f270504b4fa0cf642eeb2404388efa816106bbf54196b90c3a1359d9372f922a9cf85e62a4b17919430c20eacb52a4fec78e8927cb1b2a2dbf8e5c23e7b5e09ce35433670134de94c2bb0a9802dea31e099988fa4f562df9a291a86289de7c92e7af4fa5e238812287c503ff8b3d6280b26eddf8b35654acabfeb5bc92", @typed={0x18, 0x4d, @ipv6=@empty}]}, @generic="9764e7bc7061cef4e8d00104100b52c664db309cb0cceb44727404a608449e1719a5ba37a3101dbf93be766a61cd145974d466a5a0b01d10cbbb05bc38ade6c9f7de84f299e8afa061beab268aad2d2380061645601a1a875cfc6c4616b4eba32362b1679b88d57a1481e9c47503dc744d79890e48b8dc07131268d5249c8a8f8c1f57b7e6b690a7ec87896450ab22f4c071a3dcbcc41c6e873836e95598f45e71", @typed={0x8, 0x74}, @typed={0x90, 0x5c, @binary="088933c19bcaef389f3c98a010fe49db0178c3a65864b37fa3c2b1681cdbf2064f1a63fc98961d305a09f6af47f611c62ba69ea3796d1c4bacafbde67b52189e45671691090897e26f80613476a77d5b474b634bb7a79c3c4bf4789521830cbe266b5a129d7b1842b162b79ab6e3fc93a62ad12adf27b6368cad8c961a16fb5832c73c91bad506"}, @generic="0ae31e39d1f9280d625976f25a85f0c071622d8b0965921b8ff2226c8e0af7448caf04087f55550e0553f0c0dc19d458af90dd52db98f1de90b3132a4d5a7f3c6fb2c552ddd377b3f280b302922268a156dec520076a7619aea2b0e32856bbe8a57446ea13835d84dc34464df78706e0a8ca1b351efb170008b7bbd97fbc9289b76e14deab92a980c8bb64fe5ae1a8ef88e741e06378c7267cfb3553e51586"]}, 0x3d8}, {&(0x7f0000000680)={0xbc, 0x35, 0x20, 0x2, 0x1, "", [@generic="d24b916af61e6ce3da35d68801a57fd82da28afe47e9a57b36a2e76368553b3f1651e3652a5ac6a5d6d4eec8ec4e7dae50cecde3f01a0efff201089ad337068358aa295c6842a768a46aa640ec6ec3a657e783ce6f", @typed={0x54, 0x14, @binary="5a2469aef9be5dafcae6bfb559322f901970e4e1f4cd53083ed7e288fe2308ae889af4261ef8abf7802af218434f53bd3c650637058879cfed0a9c4d3b6dca0f15805d7cea5f37f42c"}]}, 0xbc}, {&(0x7f00000008c0)={0x39a4, 0x34, 0x800, 0x4, 0x1, "", [@typed={0xc, 0x20, @pid=r7}, @typed={0x10, 0x7d, @u64=0x80}, @nested={0x124, 0x19, [@typed={0xc, 0x5b, @ipv4=@dev={0xac, 0x14, 0x0, 0xc}}, @typed={0xc, 0x6f, @u32=0x3}, @typed={0xc, 0x28, @str='\x00'}, @typed={0x10, 0x96, @str='@eth0$\x00'}, @generic="44b7ce42f862b2313db8daf83bc9ddda6968873c0ba4de55ccc9b4ca667a0e4a6809", @generic="91e4fe322af64ea3ca848d531761502192050d080d6e798cd706562469c59f30a2bcb690a587b566a15a9afbbf5f55d6dc3feeb685cbf77f70e696baa18e7d3ee21f9c55b26b1f0546afe1842db688", @generic="acef04a198f2da8e5db28d15806b743fc43723e3b7f2dcb9bce5ec7c796f43a5d7d8aea7965f9b37d220cdfd857409f00987383d9c19c0731189ebbf6d380f279deb718ea8887f7e9e67", @generic="561c5d502b8321b4c3576dde1ee2ee175d957635bbcdd38ccb209530ea8a7f17", @typed={0x10, 0x74, @u64=0x7}]}, @nested={0x39c, 0x29, [@generic="eebeab588ecec491414ccbbfecd7082a1cc8252318cb343fb683d8c52af86335d6", @typed={0x18, 0x3d, @ipv6=@loopback={0x0, 0x1}}, @generic="bd50f5923bc974217683100fa23ad07dbb6044c136686889eeea52c712dd3aaa986cc0767c818dc650280885defccde188ecdfc1670070cfad2741255aed3f8553afe8997ee688bbaa285076e9a3f4ffdcc78747ed1786eed3f674a01df004d6887007678f77c11e4610bfc7be99e8a1d1dd75508c", @generic="a2d5ac9ed4bf48bd909b63b3a476a90355fca97db878a47b5f5c94c5b8f33b7b0303bc8bcd6402f2a99431024f6ca903511f8e212c72d089ff0b14fb4b9ae93525a6b4cfdb094d5f0a023593491fa1c0fa8088c85b68f065eaa2d9466752a08bd76f92085e87f9501b771e029321043d555bc1c980901a0b1880f783dc65b005cbb4254f1d784fe27e724307be50cc04975fa371a1c9d27d7c2218fe3bd7d3f109a65910", @generic="07808e3916fe71423bc1dbffacf59a3f9b0ebf35f699c1385c09488abab61bb4a7d9c4b6bd9cd169f70cb8cc207b26b7f350ba29f6e4e6f0706bf9ba35741bcdea4d80910bd4412fe83ef5897aae26fe724f15", @generic="b3e087bd76b37b7d4e3f6f57387ed0ea874303fa78b1eb8d8b4413b40f0b4a495e18388094dec9190d2b0f9a64a243a73c21f204355d0637bc69a48a9c6ebf5f02f9bf83bd94cde56495b440f2e8ceb8308765af94ea5aa6b4b8f4f56a9d6d656aec9e456f8a79d2e3a12e0104634c57f13e60f80f7fb9a64af987f9a4f79da1fa25e85eac781e19ac133cc0dcd76562fb489f1d29499c84d846226f4a92d937a9db4b1cac89e229be8c74c0cbd5d78eea5486370d0b4d0ab0ed74f63e", 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@generic="ae938a00b2f1a8867481e4d917dba53d57a14910811e288f96331b151e0744f005fa1d5116a6d629aa5e6b598922b4870507485001f20194708c82de", @generic="e1456b3adc5598b7749b9bc9392967a1498d", @typed={0x18, 0x40, @ipv6=@dev={0xfe, 0x80, [], 0x0, 0x11}}, @typed={0xc8, 0x15, @binary="83c9d18955dac6a37d3763af9a6c8e9c3f35ab31ff8d7d6f7672ae974ee69509d44f478ba0b2abd4ace35dcb6996670da854926ba854aa9aaabf08b7d026521f624dde845ed806e32f9ae99cb9f188d63c26dff44bc89ca2db617870548eb547bd2aa3d2305a8053a3259df0397353ea2480158789b30b588be428b365ab4043365f424e83a9ceef0c57c46f29d876483e797aaa9acaeb5b26d86e66a89b045feb0294d7316247a3365cb01af36ef1ef8c426a69f8f84327d3f2bd31e69f"}, @typed={0xc, 0x8, @u32=0x8001}]}, @typed={0x14, 0x49, @str=',security\x00'}, @nested={0x10ac, 0x11, [@generic="358f4a83d1ded35c1f8ffbc4130976d4c6656babd6e57d79076e652771cc4506ab7ec85dfd0cabc148c9396002c905f3f4b6882a440765d9c69673b528f639696491e222b8bb0772d0e133d4e756ff48a7c3089875b86229c0469230bc46d6a53ebf0f6f8cfcc17a64c59b8d7deb852a8350d791bd", @generic="0eb40079e11cd6a36252d80b4af97b9cc5009dcad3eff589a4fd9a5b0e5b66756919b794336c", @typed={0xc, 0x41, @ipv4=@rand_addr=0x8}, @generic="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@typed={0x104, 0x44, @binary="739af60ecdbc5e0eafcd7460008bb35ca845e0b545304353ec0ebf68061add9903946ef7d1476cd817b8576ce9694613c9001480a4976ad4acea1ca40aa1bf47770bb7ddd6af09b27b2d0556358e73602db211242f9ab82a8d262fca41f36681979c92bd1dd2bc3379d8746b31fd0c7f9816417b5bed438964653e04ff79b07ab3c8bb45946ce34d9c048483cbc70fa2a09d779a1c5618b3c7f62227e78b96719ea1a51008fe456a2ca2119ebb599d6c1537d471494bb9c282ecfe05095dd4d20ce1d9434dededd388eb399deaf20904c20fccbe5772a9d64c8676c828546491e74577da6615a4bc204053e3727a52b95e9230bb7f635df416"}]}, 0x2470}], 0x5, &(0x7f0000006bc0)=[@rights={0x18, 0x1, 0x1, [r2]}, @rights={0x20, 0x1, 0x1, [r0, r1, r2, r2]}, @cred={0x20, 0x1, 0x2, r11, r12, r13}, @cred={0x20, 0x1, 0x2, r14, r15, r16}], 0x78, 0x40080c0}, 0x4000) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000fa1000)=0xc) fcntl$setown(r0, 0x8, r17) fcntl$getownex(r0, 0x10, &(0x7f000040e000)={0x0, 0x0}) accept4$unix(r1, &(0x7f0000000080)=@abs, &(0x7f0000000100)=0x8, 0x0) ptrace$setopts(0x4206, r18, 0x0, 0x0) rt_sigaction(0x3a, &(0x7f0000006c80)={0x40, {0xe121}, 0x8000004, 0x200}, &(0x7f0000006cc0), 0x8, &(0x7f0000006d00)) ptrace(0x4207, r18) ptrace$setregset(0x4204, r18, 0x202, &(0x7f0000fa7ff7)={&(0x7f0000fa7ff8)}) 2018/02/23 16:04:45 executing program 7: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r1 = gettid() fcntl$lock(r0, 0x5, &(0x7f0000000000)={0x1, 0x2, 0x9, 0x2, r1}) 2018/02/23 16:04:45 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x202, 0x0) ioctl$TIOCSTI(r1, 0x5412, 0xfffffffffffffeff) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x9, 0x1, 0x0, 0xb, 0x8, 0x5, "2d6a883ac8cfb16c56d104f736106fc6ef92a739de71c266aaafb69851aa9c8bdf1738531732db99d441a384490aca938150dc1e7e30f3d1265b5e39ed8123c6", "79b05b130c7758cadce3db2d74ce2ff398801d5269ee59af3f2dbc990399b19b321e5ccf949fe31fedff96c0927c1bc47544cab335fac56bba3f7f5a53048e26", "5ed39ea84a6c934b2321dffd49ff544578a3700d629f95eceb72498288bcc932", [0x4, 0x200]}) 2018/02/23 16:04:45 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futex(&(0x7f0000000000)=0x7, 0x9, 0x8, &(0x7f0000000080)={r1, r2+10000000}, &(0x7f00000000c0)=0x6f2b, 0x3) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0xfffffffffffffffc, 0x0) ioctl$EVIOCGKEYCODE_V2(r3, 0x80284504, &(0x7f0000000100)=""/219) setsockopt$packet_rx_ring(r3, 0x107, 0x5, &(0x7f0000000200)=@req={0x401, 0x7, 0x6000, 0x10001}, 0x10) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r3, 0xc0605345, &(0x7f0000000040)={0x0, 0x0, {0x1, 0x3, 0x3, 0x3, 0x7}}) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000cc8000)=@ipv6_newroute={0x24, 0x18, 0x301, 0xffffffffffffffff, 0xffffffffffffffff, {0xa, 0x80}, [@RTA_IIF={0x8, 0x1}]}, 0x24}, 0x1}, 0x0) [ 53.884820] device gre0 entered promiscuous mode 2018/02/23 16:04:45 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) futex(&(0x7f0000000000)=0x7, 0x9, 0x8, &(0x7f0000000080)={r1, r2+10000000}, &(0x7f00000000c0)=0x6f2b, 0x3) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0xfffffffffffffffc, 0x0) ioctl$EVIOCGKEYCODE_V2(r3, 0x80284504, &(0x7f0000000100)=""/219) setsockopt$packet_rx_ring(r3, 0x107, 0x5, &(0x7f0000000200)=@req={0x401, 0x7, 0x6000, 0x10001}, 0x10) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r3, 0xc0605345, &(0x7f0000000040)={0x0, 0x0, {0x1, 0x3, 0x3, 0x3, 0x7}}) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000cc8000)=@ipv6_newroute={0x24, 0x18, 0x301, 0xffffffffffffffff, 0xffffffffffffffff, {0xa, 0x80}, [@RTA_IIF={0x8, 0x1}]}, 0x24}, 0x1}, 0x0) 2018/02/23 16:04:45 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:45 executing program 5: setrlimit(0x7, &(0x7f000028e000)) r0 = getpid() ptrace$getregset(0x4204, r0, 0x203, &(0x7f0000000040)={&(0x7f0000000000)=""/16, 0x10}) socketpair$ax25(0x3, 0x3, 0x7, &(0x7f0000000080)) r1 = syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x8126, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f00000000c0)={0x0, 0xd7d, 0xfffffffffffffff8}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000140)={r2, 0x7ff}, &(0x7f0000000180)=0x8) r3 = inotify_init() setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000001c0)={r2, 0x10000, 0x9, [0x8, 0xffff, 0x7, 0x98, 0x0, 0x8, 0x6, 0xfffffffffffffff7, 0x9]}, 0x1a) fcntl$notify(r3, 0x402, 0xffffffffffffffff) 2018/02/23 16:04:45 executing program 7: setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, &(0x7f0000002000)={{0xa, 0xffffffffffffffff, 0x0, @empty}, {0xa, 0xffffffffffffffff, 0x0, @empty, 0x1}}, 0x5c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000002000)={0x800006, 0x7ff, 0x8}, 0x14) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) pipe(&(0x7f0000000000)={0x0, 0x0}) ioctl$DRM_IOCTL_SET_MASTER(r1, 0x641e) setsockopt$inet6_int(r0, 0x29, 0x40, &(0x7f0000001fde), 0x4) 2018/02/23 16:04:46 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x402, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000ffc000/0x2000)=nil, 0x2000}, 0x2}) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f000000b000)={&(0x7f000000f000)={0x10}, 0xc, &(0x7f000063c000)={&(0x7f00009ffe04)=@newsa={0x1fc, 0x10, 0x721, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@empty, @in=@rand_addr}, {@in=@broadcast=0xffffffff, 0xffffffffffffffff, 0x833}, @in=@rand_addr, {}, {}, {}, 0xffffffffffffffff, 0xffffffffffffffff, 0x200000000000002}, [@algo_auth_trunc={0x10c, 0x14, {{'sha1\x00'}, 0x600, 0x0, "ce96c881e6d5a3cec6deb2c99eecc081c9c4e3b38e059d6da551cbc9843d6e7eccebe37305b5bc5a8b1d83bb65ca97f79a651652f9c24f073f8e1d2cd6ac7c925b61e839bca30c4ed0ee060c020c0100b7f60e197841c2f3e4a1e9996d581b621676557953733a76f18949d33e2b0ad2973537a3b29b3925a7c53fb72d27b7b063c49a9e103940851509aaa6a0d6bb856c03b542f2603c1ebdde23ce7c8fac175819af4b513fa8920a00ea63211dbc78de798c57f5289491eef1aa3b326abb4e"}}]}, 0x141}, 0x1}, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x4000, 0x0) fstat(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) accept4(r2, &(0x7f00000000c0)=@un=@file={0x0, ""/108}, &(0x7f0000000140)=0x6e, 0x0) sendmsg$nl_xfrm(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=@report={0xe0, 0x20, 0xa08, 0x3, 0x0, {0x2b, {@in=@dev={0xac, 0x14, 0x0, 0x17}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x0, 0x1, 0x2, 0x7ff, 0xa, 0x20, 0x20, 0x33, 0x0, r3}}, [@ipv4_hthresh={0x8, 0x3, {0xd, 0xd}}, @algo_auth={0x8c, 0x1, {{'wp512-generic\x00'}, 0x210, "7fb9c6be2662e131552a256c1803a9117cc8df653255f7de0f39c536c8a9e9e372d710e6938a0504fbbb4d015b17de0806a1d3a4ae3ef209c09252b633fb408257cd"}}]}, 0xe0}, 0x1, 0x0, 0x0, 0x4000010}, 0xc000) getsockopt$inet_tcp_int(r2, 0x6, 0x37, &(0x7f0000000240), &(0x7f0000000280)=0x4) 2018/02/23 16:04:46 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r1, 0x111, 0x3, 0x0, 0x4) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0xfffffffffffffffc) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000040)={&(0x7f00003e9000/0x3000)=nil, 0x3000}) socketpair$inet_sctp(0x2, 0x3ba35aa07b603b7c, 0x84, &(0x7f0000000040)={0x0}) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x58, &(0x7f0000000080)=[@in6={0xa, 0x3, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x81}, @in={0x2, 0x0, @loopback=0x7f000001}, @in={0x2, 0x2, @dev={0xac, 0x14, 0x0, 0x15}}, @in6={0xa, 0x3, 0xb52, @empty, 0x9}]}, &(0x7f0000000140)=0x10) r4 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000180)='/dev/rtc\x00', 0x8000, 0x0) setsockopt$nfc_llcp_NFC_LLCP_RW(r4, 0x118, 0x0, &(0x7f00000001c0)=0x2, 0x4) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f0000000180)={r3, 0xdb, "6aa68a700673d61c8acb311bd2602d2e57b2feaa8eeb7989a4148652eeeb0004ed015f35c89433c69b2db43f0fcc1701e89c257be21ca69fce8be080354c7fcc2f47bf7d630b172b2fc68d155308d927fea319f5680c8df65085f8b3587a5c5ad980c71de2f51b51b37a5acfc70f2106d2794a93ad99dc38aa3c94973b37eb46adabed1cf762c5c7efe417ddbddb1f631cfd1349b5e304da03ce72d8b271bb3875ce401f5fd4ac5e77b7e53aeb208cf7a3e27e638a0555987add120e5fb30bb1030117202a3c3c0f7ba149952d9a1a5b4840f85782d8491302c6ee"}, &(0x7f0000000280)=0xe3) 2018/02/23 16:04:46 executing program 3: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000040)=0xc) ioprio_get$uid(0x0, r0) r1 = syz_open_dev$evdev(&(0x7f0000c9cff0)='/dev/input/event#\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x8040450a, &(0x7f0000000100)=""/4096) 2018/02/23 16:04:46 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:46 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x101, 0x0) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1b, &(0x7f00003f9c8b), &(0x7f0000000000)) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x4) r2 = fcntl$dupfd(r1, 0x200000406, r0) setsockopt$inet_udp_encap(r2, 0x11, 0x64, &(0x7f0000000080)=0x3, 0x4) 2018/02/23 16:04:46 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r1, 0xc04064a0, &(0x7f0000000180)={&(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0], 0x6, 0x2, 0x5, 0x2}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) readlinkat(r1, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)=""/48, 0x30) r2 = add_key(&(0x7f00000001c0)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000240)="359abd16aa28792dfdcaa082e95d3015501bd88a9454751dec9f1cfdbc40189fed36ec1fc1842f7db5349fb8dc93929323de41fda0a6bbed18f6a4a7cb2b8d71b6ba67df17d4074c55e4e4e98dd1b99d576e3732709456de2599be324ed1fd6570338e0ea16428ef5e8d9046621169806d0a7c5c8b43c59d508a9b152af6f8d684a37ebee6fec683db6abb9663802f70afa98e792fe6e943c315246c34e2c438da646d23e1c6de7c", 0xa8, 0xfffffffffffffff9) r3 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$unlink(0x9, r2, r3) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) getsockopt$inet6_int(r1, 0x29, 0x35, &(0x7f0000000380), &(0x7f00000003c0)=0x4) 2018/02/23 16:04:46 executing program 7: r0 = inotify_init1(0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000c24000)={0x0}, &(0x7f0000000040)=0x370) ptrace$getregs(0xe, r2, 0x80000001, &(0x7f0000000000)=""/97) r3 = getpgid(r2) fcntl$setown(r0, 0x8, r3) syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x80000) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) ptrace$setopts(0x4206, r4, 0x0, 0x0) ptrace(0x4207, r4) ptrace$getregs(0x2, r4, 0x7fffff, &(0x7f00008b8000)) 2018/02/23 16:04:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x1) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:46 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:46 executing program 0: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x10001, 0x0) fstatfs(r0, &(0x7f0000000040)=""/34) r1 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$SIOCSIFMTU(r0, 0x8922, &(0x7f0000000080)={@generic="15c1108c04be43f170054148adbc732c", 0x1}) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) 2018/02/23 16:04:46 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x2) sendmsg$nl_route(r0, &(0x7f0000014fc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000022000)=@ipv6_delroute={0x1c, 0x19, 0x60d, 0xffffffffffffffff, 0xffffffffffffffff, {0xa, 0x0, 0x0, 0x0, 0x2}, []}, 0x1c}, 0x1}, 0x0) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r1, 0x40a85323, &(0x7f0000000040)={{0x7, 0x8}, 'port0\x00', 0x21, 0x8, 0x8, 0x7, 0x3, 0x3, 0x7, 0x0, 0x2, 0xff}) 2018/02/23 16:04:46 executing program 5: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) accept4$netrom(r0, &(0x7f0000000040)=@full, &(0x7f00000000c0)=0x48, 0x800) r1 = socket(0xc3faeeed9f5faa88, 0x801, 0x5) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f0000cbdfe0)="551796c71e9b9306e708a3155afa1db90b2649348df5ea5909a90f4362", 0x1d) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) mlock2(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1) 2018/02/23 16:04:46 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000000), &(0x7f0000000040)=0x10) clone(0x0, &(0x7f0000eee000), &(0x7f00008d2ffc), &(0x7f0000ba3ffc), &(0x7f0000408000)) getcwd(&(0x7f00009b0fbc)=""/68, 0x44) 2018/02/23 16:04:46 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x400000) r1 = gettid() lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = getgid() fchown(r0, r2, r3) r4 = gettid() listxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=""/167, 0xa7) setpgid(r1, r4) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rfkill\x00', 0x400, 0x0) eventfd2(0x2, 0x800) ioctl$TIOCGPGRP(r5, 0x540f, &(0x7f0000000100)) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:46 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000000), &(0x7f0000000040)=0x10) clone(0x0, &(0x7f0000eee000), &(0x7f00008d2ffc), &(0x7f0000ba3ffc), &(0x7f0000408000)) getcwd(&(0x7f00009b0fbc)=""/68, 0x44) [ 54.322931] handle_userfault: 23 callbacks suppressed [ 54.328711] FAULT_FLAG_ALLOW_RETRY missing 30 [ 54.335696] CPU: 0 PID: 8040 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 54.343311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.352650] 0000000000000000 ce58036748f738f6 ffff8800b4a37490 ffffffff81d03f6d [ 54.360674] ffff8800b6923c80 1ffff10016946e9f ffff8800b4a37618 0000000000000000 2018/02/23 16:04:46 executing program 5: clone(0x0, &(0x7f0000003000), &(0x7f0000a25ffc), &(0x7f000039f000), &(0x7f0000543fe4)) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000000)={{{@in=@broadcast, @in6=@mcast1, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in6=@dev}}, &(0x7f0000000100)=0xe8) fstat(0xffffffffffffff9c, &(0x7f0000000140)) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f00000001c0)={{{@in=@remote, @in6=@mcast2}}, {{@in=@multicast2}, 0x0, @in=@multicast1}}, &(0x7f00000002c0)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000300)={{{@in6=@mcast1, @in=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@local}}, &(0x7f0000000400)=0xe8) stat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = syz_open_dev$mice(&(0x7f0000000500)='/dev/input/mice\x00', 0x0, 0x1) setsockopt$inet6_int(r3, 0x29, 0x33, &(0x7f0000000540), 0x4) setresuid(r0, r2, r1) 2018/02/23 16:04:46 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) memfd_create(&(0x7f0000000000)='(lo}\\keyring*\x00', 0x1) [ 54.368705] 0000000000000000 ffff8800b4a37640 ffffffff81607365 ffffffff81237470 [ 54.376747] Call Trace: [ 54.379318] [] dump_stack+0xc1/0x124 [ 54.384671] [] handle_userfault+0x715/0xf50 [ 54.390634] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 54.397630] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 54.404020] [] ? handle_mm_fault+0xb5d/0x3190 [ 54.410153] [] ? userfaultfd_poll+0x180/0x180 [ 54.416286] [] ? handle_mm_fault+0x291e/0x3190 2018/02/23 16:04:46 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 54.422491] [] handle_mm_fault+0x2938/0x3190 [ 54.428518] [] ? copy_page_range+0x1480/0x1480 [ 54.434720] [] ? __do_page_fault+0x780/0xa00 [ 54.440749] [] ? vmacache_find+0x57/0x290 [ 54.446516] [] __do_page_fault+0x35b/0xa00 [ 54.452368] [] do_page_fault+0x27/0x30 [ 54.457876] [] page_fault+0x28/0x30 [ 54.463128] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 54.469953] [] ? do_sys_poll+0x1a4/0xcc0 [ 54.475648] [] ? check_preempt_wakeup+0x53e/0xa70 [ 54.482109] [] ? SyS_pselect6+0x530/0x530 [ 54.487876] [] ? preempt_schedule+0x25/0x30 [ 54.493822] [] ? ___preempt_schedule+0x12/0x14 [ 54.500028] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 54.506925] [] ? try_to_wake_up+0x62/0xf60 [ 54.512780] [] ? plist_check_head+0x4a/0x60 [ 54.518721] [] ? wake_up_q+0xbe/0x130 [ 54.524143] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 54.531044] [] ? futex_wake+0x153/0x450 [ 54.536640] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 54.543629] [] ? userfaultfd_release+0x5a0/0x5a0 [ 54.550013] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 54.557000] [] ? recalc_sigpending+0x76/0xa0 [ 54.563038] [] ? __set_task_blocked+0x107/0x240 [ 54.569328] [] ? __set_current_blocked+0x4b/0xa0 [ 54.575702] [] ? retarget_shared_pending+0x210/0x210 [ 54.582427] [] ? __set_current_blocked+0x80/0xa0 [ 54.588816] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 54.595103] [] ? __set_current_blocked+0x80/0xa0 [ 54.601479] [] ? sigprocmask+0xef/0x290 [ 54.607072] [] ? sigsuspend+0x1f0/0x1f0 [ 54.612668] [] ? __might_fault+0x114/0x1d0 [ 54.618529] [] SyS_ppoll+0x1b1/0x3e0 [ 54.623865] [] ? SyS_poll+0x3f0/0x3f0 [ 54.629292] [] ? SyS_futex+0x210/0x2c0 [ 54.634810] [] ? do_futex+0x15d0/0x15d0 [ 54.640407] [] ? security_file_ioctl+0x89/0xb0 [ 54.646606] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 54.653074] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:46 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) unshare(0x8000000) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) getpid() mq_notify(r0, &(0x7f00000000c0)={0x0, 0x0, 0x1, @thr={&(0x7f0000000140)="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", &(0x7f0000001140)="74ee153c31bb864199bd6b87297d590beea9363180e66ee12e8f53b5318b181ad6fbafdc7de8560da82fc3253a4209eb8e818720558dd1888f7ac8b6caa5da6b03fbfdeb40544337524aa3f262bc127b9fabe00b2c13b70013b785c7853947e0a0c4191d69b7db1c1771e210861babe7ec86c7c751054a492c20f98973715ec00b7123b04877376e1e9a82f6f27d9344bff432addb32fbf716aeba6e3840a7a7942bd6e5c4c2347b7f37a286f04c2f4d67d45e8eeb68d1e2192c15ba164e5815a5a46ec3b1f95a9de88458d526bc42462b2ac18dab6fc603b7612f5ce4567b"}}) read(r0, &(0x7f0000001240)=""/206, 0xce) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x401}, &(0x7f0000001340)=0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000001400)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000001440)=0x10) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f00000013c0)={r1, 0x2}, &(0x7f0000001380)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000001280)={r2, 0x800, 0x20}, 0xc) r3 = dup(r0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r3, 0x84, 0x7b, &(0x7f0000001340)={r2, 0x1}, &(0x7f0000001380)=0x8) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r3, 0xc0145401, &(0x7f0000000040)={0x1, 0x3, 0x25180296, 0x0, 0x401}) 2018/02/23 16:04:46 executing program 0: r0 = syz_open_dev$sndseq(&(0x7f0000cc5000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000b0bf74)={0x0, 0x0, 0x0, 'queue0\x00'}) r1 = memfd_create(&(0x7f000003e000)='\'', 0x0) r2 = syz_open_dev$sndseq(&(0x7f0000d82000)='/dev/snd/seq\x00', 0x0, 0x8000000040102) r3 = dup2(r2, r1) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r3, 0x40605346, &(0x7f000013e000)={0x0, 0x0, {0x0, 0x1}}) write$sndseq(r1, &(0x7f0000e6ffd0)=[{0x1e, 0x0, 0x0, 0x3fd, @time, {}, {}, @note}], 0x30) r4 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r4, 0x4c07) timerfd_create(0x2, 0x80000) pipe(&(0x7f0000000000)={0x0, 0x0}) pipe2(&(0x7f0000000080)={0x0, 0x0}, 0x84800) renameat2(r5, &(0x7f0000000040)='./file0\x00', r6, &(0x7f00000000c0)='./file0\x00', 0x6) 2018/02/23 16:04:46 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:46 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000000)={{0x2, 0xffffffffffffffff, @broadcast=0xffffffff}, {0x0, @random="951586da4536"}, 0xfffffffffffffffe, {0x2, 0x3, @loopback=0x7f000001}, @syzn={0x73, 0x79, 0x7a, 0x0}}) 2018/02/23 16:04:46 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffff8) keyctl$set_timeout(0xf, r1, 0x5) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000986000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000100)={r3, 0xc3e}, &(0x7f0000000140)=0x8) 2018/02/23 16:04:46 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r1, 0xc04064a0, &(0x7f0000000180)={&(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0], 0x6, 0x2, 0x5, 0x2}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) readlinkat(r1, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)=""/48, 0x30) r2 = add_key(&(0x7f00000001c0)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000240)="359abd16aa28792dfdcaa082e95d3015501bd88a9454751dec9f1cfdbc40189fed36ec1fc1842f7db5349fb8dc93929323de41fda0a6bbed18f6a4a7cb2b8d71b6ba67df17d4074c55e4e4e98dd1b99d576e3732709456de2599be324ed1fd6570338e0ea16428ef5e8d9046621169806d0a7c5c8b43c59d508a9b152af6f8d684a37ebee6fec683db6abb9663802f70afa98e792fe6e943c315246c34e2c438da646d23e1c6de7c", 0xa8, 0xfffffffffffffff9) r3 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$unlink(0x9, r2, r3) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) getsockopt$inet6_int(r1, 0x29, 0x35, &(0x7f0000000380), &(0x7f00000003c0)=0x4) 2018/02/23 16:04:46 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x9) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) fcntl$setstatus(r2, 0x4, 0x2000) 2018/02/23 16:04:46 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_opts(r0, 0x29, 0x3a, &(0x7f0000ddb000)=""/21, &(0x7f000049affc)=0x12) pread64(r0, &(0x7f0000000000)=""/204, 0xcc, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0xae, 0x8002) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000140)={0x0, 0xfff, 0x30}, &(0x7f0000000180)=0xc) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000001c0)={r2, @in6={{0xa, 0x0, 0x2, @empty, 0x2}}, 0x4, 0xff, 0x100000000, 0x100000000, 0x80}, &(0x7f0000000280)=0xa0) socket$inet6_tcp(0xa, 0x1, 0x0) [ 54.820289] FAULT_FLAG_ALLOW_RETRY missing 30 [ 54.825120] CPU: 1 PID: 8098 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 54.825152] FAULT_FLAG_ALLOW_RETRY missing 30 [ 54.837195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.846527] 0000000000000000 28adb3ec83f999bb ffff8800b67a7490 ffffffff81d03f6d [ 54.854533] ffff8800a8878900 1ffff10016cf4e9f ffff8800b67a7618 0000000000000000 [ 54.862537] 0000000000000000 ffff8800b67a7640 ffffffff81607365 ffffffff81237470 [ 54.870532] Call Trace: [ 54.873100] [] dump_stack+0xc1/0x124 [ 54.878441] [] handle_userfault+0x715/0xf50 [ 54.884389] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 54.891375] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 54.897755] [] ? handle_mm_fault+0xb5d/0x3190 [ 54.903874] [] ? userfaultfd_poll+0x180/0x180 [ 54.909993] [] ? handle_mm_fault+0x291e/0x3190 [ 54.916211] [] handle_mm_fault+0x2938/0x3190 [ 54.922256] [] ? copy_page_range+0x1480/0x1480 [ 54.928464] [] ? __do_page_fault+0x780/0xa00 [ 54.934499] [] ? vmacache_find+0x57/0x290 [ 54.940272] [] __do_page_fault+0x35b/0xa00 [ 54.946131] [] do_page_fault+0x27/0x30 [ 54.951645] [] page_fault+0x28/0x30 [ 54.956897] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 54.963710] [] ? do_sys_poll+0x1a4/0xcc0 [ 54.969396] [] ? check_preempt_wakeup+0x53e/0xa70 [ 54.975863] [] ? SyS_pselect6+0x530/0x530 [ 54.981635] [] ? preempt_schedule+0x25/0x30 [ 54.987581] [] ? ___preempt_schedule+0x12/0x14 [ 54.993787] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 55.000690] [] ? try_to_wake_up+0x62/0xf60 [ 55.006551] [] ? plist_check_head+0x4a/0x60 [ 55.012498] [] ? wake_up_q+0xbe/0x130 [ 55.017921] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 55.024824] [] ? futex_wake+0x153/0x450 [ 55.030421] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.037412] [] ? userfaultfd_release+0x5a0/0x5a0 [ 55.043793] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.050783] [] ? recalc_sigpending+0x76/0xa0 [ 55.056813] [] ? __set_task_blocked+0x107/0x240 [ 55.063106] [] ? __set_current_blocked+0x4b/0xa0 [ 55.069487] [] ? retarget_shared_pending+0x210/0x210 [ 55.076214] [] ? __set_current_blocked+0x80/0xa0 [ 55.082593] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 55.088888] [] ? __set_current_blocked+0x80/0xa0 [ 55.095266] [] ? sigprocmask+0xef/0x290 [ 55.100863] [] ? sigsuspend+0x1f0/0x1f0 [ 55.106472] [] ? __might_fault+0x114/0x1d0 [ 55.112330] [] SyS_ppoll+0x1b1/0x3e0 [ 55.117669] [] ? SyS_poll+0x3f0/0x3f0 [ 55.123095] [] ? SyS_futex+0x210/0x2c0 [ 55.128607] [] ? do_futex+0x15d0/0x15d0 [ 55.134206] [] ? security_file_ioctl+0x89/0xb0 [ 55.140412] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 55.146882] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 55.153502] CPU: 0 PID: 8099 Comm: syz-executor3 Not tainted 4.4.116-g17c7c49 #17 [ 55.161119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.170452] 0000000000000000 48965a32be715305 ffff8800b0457490 ffffffff81d03f6d [ 55.178448] ffff8800b6923e00 1ffff1001608ae9f ffff8800b0457618 0000000000000000 [ 55.186477] 0000000000000000 ffff8800b0457640 ffffffff81607365 ffffffff81237470 [ 55.194444] Call Trace: [ 55.197005] [] dump_stack+0xc1/0x124 [ 55.202338] [] handle_userfault+0x715/0xf50 [ 55.208279] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.215262] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 55.221635] [] ? handle_mm_fault+0xb5d/0x3190 [ 55.227745] [] ? userfaultfd_poll+0x180/0x180 [ 55.233857] [] ? handle_mm_fault+0x291e/0x3190 [ 55.240056] [] handle_mm_fault+0x2938/0x3190 [ 55.246080] [] ? copy_page_range+0x1480/0x1480 [ 55.252281] [] ? __do_page_fault+0x780/0xa00 [ 55.258307] [] ? vmacache_find+0x57/0x290 [ 55.264075] [] __do_page_fault+0x35b/0xa00 [ 55.269934] [] do_page_fault+0x27/0x30 [ 55.275438] [] page_fault+0x28/0x30 [ 55.280683] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 55.287497] [] ? do_sys_poll+0x1a4/0xcc0 [ 55.293179] [] ? __might_sleep+0x90/0x1a0 [ 55.298944] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 55.305318] [] ? SyS_pselect6+0x530/0x530 [ 55.311081] [] ? rcu_read_unlock+0x16/0x60 [ 55.316931] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 55.323822] [] ? futex_wait+0x4ad/0x610 [ 55.329412] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 55.336305] [] ? futex_wait_setup+0x330/0x330 [ 55.342418] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.349398] [] ? userfaultfd_release+0x5a0/0x5a0 [ 55.355770] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.362750] [] ? recalc_sigpending+0x76/0xa0 [ 55.368772] [] ? __set_task_blocked+0x107/0x240 [ 55.375059] [] ? __set_current_blocked+0x4b/0xa0 [ 55.381430] [] ? retarget_shared_pending+0x210/0x210 [ 55.388151] [] ? __set_current_blocked+0x80/0xa0 [ 55.394524] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 55.400809] [] ? __set_current_blocked+0x80/0xa0 [ 55.407178] [] ? sigprocmask+0xef/0x290 [ 55.412769] [] ? sigsuspend+0x1f0/0x1f0 [ 55.418361] [] ? __might_fault+0x114/0x1d0 [ 55.424212] [] SyS_ppoll+0x1b1/0x3e0 [ 55.429541] [] ? SyS_poll+0x3f0/0x3f0 [ 55.434958] [] ? SyS_futex+0x210/0x2c0 [ 55.440462] [] ? do_futex+0x15d0/0x15d0 [ 55.446052] [] ? security_file_ioctl+0x89/0xb0 [ 55.452250] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 55.458709] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:47 executing program 2: unshare(0x1fffffff) r0 = signalfd(0xffffffffffffffff, &(0x7f0000b9fff8), 0x8) signalfd4(r0, &(0x7f0000e81ff8), 0x8, 0x0) 2018/02/23 16:04:47 executing program 5: r0 = socket$inet6(0xa, 0x0, 0x2) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0x1}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f00000000c0)={r1, @in={{0x2, 0x3, @multicast2=0xe0000002}}, [0x6, 0xe319d7, 0x3, 0x80000001, 0xff, 0x454627ff, 0x10003, 0x2, 0x5, 0x5, 0x100000000, 0x40000000004, 0x3, 0x7, 0x752b]}, &(0x7f0000000200)=0x108) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000011000)={{&(0x7f0000797000/0x4000)=nil, 0x4000}}) 2018/02/23 16:04:47 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:47 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) init_module(&(0x7f0000000000)="fb00", 0x2, &(0x7f0000000040)='cgroup\x00') ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/checkreqprot\x00', 0x10000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f00000000c0)={0x0, 0x1, 0x20}, &(0x7f0000000100)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000140)={r2, 0xffff}, &(0x7f0000000180)=0x8) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) syslog(0x9, &(0x7f00000001c0)=""/48, 0x30) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000200)={{&(0x7f0000c3a000/0x200000)=nil, 0x200000}, 0x3}) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) ustat(0xfffffffffffffff8, &(0x7f00000001c0)) 2018/02/23 16:04:47 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r1, 0xc04064a0, &(0x7f0000000180)={&(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0], 0x6, 0x2, 0x5, 0x2}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) readlinkat(r1, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)=""/48, 0x30) r2 = add_key(&(0x7f00000001c0)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000240)="359abd16aa28792dfdcaa082e95d3015501bd88a9454751dec9f1cfdbc40189fed36ec1fc1842f7db5349fb8dc93929323de41fda0a6bbed18f6a4a7cb2b8d71b6ba67df17d4074c55e4e4e98dd1b99d576e3732709456de2599be324ed1fd6570338e0ea16428ef5e8d9046621169806d0a7c5c8b43c59d508a9b152af6f8d684a37ebee6fec683db6abb9663802f70afa98e792fe6e943c315246c34e2c438da646d23e1c6de7c", 0xa8, 0xfffffffffffffff9) r3 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$unlink(0x9, r2, r3) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) getsockopt$inet6_int(r1, 0x29, 0x35, &(0x7f0000000380), &(0x7f00000003c0)=0x4) 2018/02/23 16:04:47 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x20000, 0x0) setsockopt$inet6_MRT6_DEL_MFC(r1, 0x29, 0xcd, &(0x7f0000000040)={{0xa, 0x1, 0x0, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0xfffffffffffffff7}, {0xa, 0x0, 0x10000, @mcast2={0xff, 0x2, [], 0x1}, 0x8eb3}, 0x6, [0x7, 0x4, 0x2, 0xfffffffffffff001, 0x5, 0x4, 0x20]}, 0x5c) 2018/02/23 16:04:47 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) ioctl$TUNGETVNETHDRSZ(r0, 0x800454d7, &(0x7f0000000040)) r3 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000040)={@generic="ea114e87ca29060f4b04bc834cd05bda", @ifru_map={0xffffffff, 0x1, 0x7fff, 0xfffffffffffffffd, 0x3, 0x3}}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:47 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) timer_settime(0x0, 0x0, &(0x7f0000bf2000), &(0x7f0000e88fe0)={{}, {0x0}}) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000080)={@generic="11fa3214ed2036e870c50c519c4e389b", @ifru_settings={0xf2, 0x2, @raw_hdlc=&(0x7f0000000040)={0x2, 0xfffffffffffffe00}}}) write$evdev(r0, &(0x7f0000001000)=[{{r1, 0x6}}, {{0x0, 0x2710}}], 0x30) 2018/02/23 16:04:47 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x2, 0x81) syz_open_dev$sg(&(0x7f0000571ff7)='/dev/sg#\x00', 0x0, 0x0) close(r0) 2018/02/23 16:04:47 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='ns/pid\x00') ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000040)=0x3) r1 = syz_open_procfs(0x0, &(0x7f000099cff6)='attr/exec\x00') sendmsg$nl_crypto(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800a0094}, 0xffffffffffffff80, &(0x7f00000001c0)={&(0x7f00000000c0)=@upd={0xe8, 0x12, 0x100, 0x6, 0x1, {{'sha3-256\x00'}, [], [], 0x400, 0x2000}, [{0x8, 0x1, 0x2}]}, 0xe8}, 0x1, 0x0, 0x0, 0x8080}, 0x4000) preadv(r1, &(0x7f0000b78f90)=[{&(0x7f00006cdf3d)=""/195, 0xc3}], 0x1, 0x0) [ 55.581975] FAULT_FLAG_ALLOW_RETRY missing 30 [ 55.586257] FAULT_FLAG_ALLOW_RETRY missing 30 [ 55.586266] CPU: 0 PID: 8126 Comm: syz-executor3 Not tainted 4.4.116-g17c7c49 #17 [ 55.586269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.586281] 0000000000000000 9ba411fc4eced004 ffff8800b3ae7490 ffffffff81d03f6d [ 55.586291] ffff8801b4840000 1ffff1001675ce9f ffff8800b3ae7618 0000000000000000 [ 55.586299] 0000000000000000 ffff8800b3ae7640 ffffffff81607365 ffffffff81237470 2018/02/23 16:04:47 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:47 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x8000, 0x0) ioctl$PIO_UNIMAP(r1, 0x4b67, &(0x7f0000000080)={0x8, &(0x7f0000000040)=[{0x46, 0x3ff}, {0x4, 0x7}, {0x7, 0x430}, {0x5, 0x80}, {0x101, 0x4}, {0x2, 0x3}, {0x5, 0x1000}, {0x3, 0x3}]}) ioctl$EVIOCGKEYCODE(r1, 0x80084504, &(0x7f0000000040)=""/97) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000000c0)={0x0, 0x8, 0x30}, &(0x7f0000000100)=0xc) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000140)=@assoc_value={r2, 0x4}, 0x8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f00000000c0)={0x0, 0x1, 0x5, 0x40, 0xffff, 0x9c65}, &(0x7f0000000100)=0x14) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000200)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {0x0}, {}, {}, {}]}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f0000000300)={r4, &(0x7f0000000240)=""/142}) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000140)={r3, 0x2, 0x30, 0x800000400, 0x2}, &(0x7f0000000180)=0xffffffffffffffd9) 2018/02/23 16:04:47 executing program 5: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x200, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={@common='tunl0\x00', @ifru_ivalue=0x2de}) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) rt_sigqueueinfo(0x0, 0x0, &(0x7f0000013ff0)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000e79000), &(0x7f00007b3000), &(0x7f0000c9e000), &(0x7f00003b8f33)) lseek(r1, 0x0, 0x1) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000001ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) userfaultfd(0x80800) 2018/02/23 16:04:47 executing program 3: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000040)=@assoc_id=0x0, &(0x7f0000000080)=0x4) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f00000000c0)={r1, 0xcb, "790493d9b6d45ca69fcfbc5d06b4de8981b368b3f4c12e37d69965aadde8626dacfaa021f28071fe164bbe9ba45cff599b132c5182309c930b6737b00cbe8fa38f49fd5d063bc508c7b58d1a409fed7db1d05702684961bbf62373a8f502e49d65d5b99ff6c92c543e48c64cfe0033f98ad3679900a2d78d493abf812ac5db8906a5b52f6ab34d3305c229f813aad43b52b3e71e92a88690af690fd6ff55388293661034d1ccf25d48acfa64cf800628f7a342dc108360b6c2f2bef1873584ea1c57350737db9fb1eeced7"}, &(0x7f00000001c0)=0xd3) fallocate(r0, 0x0, 0x0, 0x1fe) 2018/02/23 16:04:47 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000000)={0x7ff, {{0xa, 0x3, 0x1, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x0, 0x13}}, 0x4}}}, 0x88) setsockopt$inet6_buf(r0, 0x29, 0x21, &(0x7f0000264000), 0x0) 2018/02/23 16:04:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNGETFEATURES(r1, 0x800454cf, &(0x7f0000000000)) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) setsockopt$inet_tcp_int(r0, 0x6, 0x9, &(0x7f0000000080)=0x4, 0x4) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, {0x0, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff, 0xbb}}, 0x4, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common='eql\x00'}) 2018/02/23 16:04:47 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3ff, 0x8000) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r0, 0xc01064b5, &(0x7f0000000080)={&(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3}) r1 = socket$packet(0x11, 0x3, 0x300) getsockopt$packet_int(r1, 0x107, 0x9, &(0x7f0000f40ffc), &(0x7f00009f6ffc)=0x4) openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x200000, 0x0) [ 55.586301] Call Trace: [ 55.586314] [] dump_stack+0xc1/0x124 [ 55.586323] [] handle_userfault+0x715/0xf50 [ 55.586333] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.586343] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 55.586352] [] ? handle_mm_fault+0xb5d/0x3190 [ 55.586359] [] ? userfaultfd_poll+0x180/0x180 [ 55.586366] [] ? handle_mm_fault+0x291e/0x3190 2018/02/23 16:04:47 executing program 3: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) vmsplice(r1, &(0x7f00000001c0)=[{&(0x7f00000000c0)="ed", 0x1}, {&(0x7f0000000180)}], 0x2, 0xf) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000000)={0x8, 0x6, 0x101}) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000b1d000)={&(0x7f0000a93000/0x3000)=nil, 0x20000002, 0x0, 0x0, &(0x7f0000b1c000/0x4000)=nil}) r2 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffff8) r3 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, r2) clock_gettime(0x0, &(0x7f0000008100)={0x0, 0x0}) recvmmsg(r0, &(0x7f0000007f40)=[{{&(0x7f0000000080)=@vsock={0x0, 0x0, 0x0, @hyper}, 0x10, &(0x7f0000000140)=[{&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f0000000100)=""/37, 0x25}, {&(0x7f0000000200)=""/173, 0xad}], 0x3, &(0x7f00000002c0)=""/220, 0xdc, 0x6}, 0x6}, {{0x0, 0x0, &(0x7f00000026c0)=[{&(0x7f00000003c0)=""/87, 0x57}, {&(0x7f00000014c0)=""/108, 0x6c}, {&(0x7f0000001540)=""/82, 0x52}, {&(0x7f00000015c0)=""/4096, 0x1000}, {&(0x7f00000025c0)=""/208, 0xd0}, {&(0x7f0000000180)=""/42, 0x2a}], 0x6, &(0x7f0000002740)=""/172, 0xac, 0x9}, 0x8001}, {{&(0x7f0000002800)=@l2, 0xe, &(0x7f0000003a40)=[{&(0x7f0000002840)=""/82, 0x52}, {&(0x7f00000028c0)=""/4096, 0x1000}, {&(0x7f00000038c0)=""/42, 0x2a}, {&(0x7f0000003900)=""/3, 0x3}, {&(0x7f0000003940)=""/244, 0xf4}], 0x5, &(0x7f0000003ac0)=""/81, 0x51, 0x400}, 0x9e1}, {{0x0, 0x0, &(0x7f0000005000)=[{&(0x7f0000003b40)=""/195, 0xc3}, {&(0x7f0000003c40)=""/4096, 0x1000}, {&(0x7f0000004c40)=""/202, 0xca}, {&(0x7f0000004d40)=""/135, 0x87}, {&(0x7f0000004e00)=""/160, 0xa0}, {&(0x7f0000004ec0)=""/129, 0x81}, {&(0x7f0000004f80)=""/79, 0x4f}], 0x7, &(0x7f0000005080)=""/207, 0xcf, 0x2}, 0xfffffffffffffd95}, {{&(0x7f0000005180)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, 0x10, &(0x7f00000066c0)=[{&(0x7f00000051c0)=""/227, 0xe3}, {&(0x7f00000052c0)=""/88, 0x58}, {&(0x7f0000005340)=""/29, 0x1d}, {&(0x7f0000005380)=""/102, 0x66}, {&(0x7f0000005400)=""/206, 0xce}, {&(0x7f0000005500)=""/11, 0xb}, {&(0x7f0000005540)=""/125, 0x7d}, {&(0x7f00000055c0)=""/4096, 0x1000}, {&(0x7f00000065c0)=""/241, 0xf1}], 0x9, &(0x7f0000006780)=""/213, 0xd5, 0x1}, 0x1f}, {{0x0, 0x0, &(0x7f0000007980)=[{&(0x7f0000006880)=""/91, 0x5b}, {&(0x7f0000006900)=""/34, 0x22}, {&(0x7f0000006940)=""/4096, 0x1000}, {&(0x7f0000007940)=""/62, 0x3e}], 0x4, 0x0, 0x0, 0x2}, 0xfffffffffffffffd}, {{&(0x7f00000079c0)=@alg, 0x58, &(0x7f0000007e00)=[{&(0x7f0000007a40)=""/227, 0xe3}, {&(0x7f0000007b40)=""/162, 0xa2}, {&(0x7f0000007c00)=""/105, 0x69}, {&(0x7f0000007c80)=""/54, 0x36}, {&(0x7f0000007cc0)=""/239, 0xef}, {&(0x7f0000007dc0)=""/40, 0x28}], 0x6, &(0x7f0000007e80)=""/175, 0xaf, 0x3}, 0xa41}], 0x7, 0x1, &(0x7f0000008140)={r4, r5+30000000}) keyctl$instantiate_iov(0x14, r2, &(0x7f00000003c0)=[{&(0x7f0000000100)="742d0bc1154591984d1ad1bd26cc3c69fc097f8011f41166a43d5d9cbe7f62e57ba5bc8f6b6a085972fa880370b57642c61ca6fc238a3b759c2177a1416e1f94e5947e1f0417771efdd149276450ab8dbe90ea339579d1a6edcfec0b70b44100f824d4666accb6888bb45d2f0dbf54264a313fc457d1fa1b6f51d28fbe3a25c76c957dc18e", 0x85}, {&(0x7f0000000080)}, {&(0x7f0000000200)="e5874e6231e93eb439f433c4d5f0dee5f99696c3407e9dcd3ddcad8d7ec9bb2800e9d30d15674b96aa3112ee8b130c5252d474a97820cfab4ba2198cf25f5cc3a17d072d2c75dc3a15bc33bfb6e0ab3e5098991e11cd363d", 0x58}, {&(0x7f0000001000)="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", 0x1000}, {&(0x7f0000000280)="16327f2816d4acc4438a85e4f49146e084cae20b5808c2498083c9930e981db06e53cdff3d455dff7d3a88e087e15f4c54d5c649034bacda99cb6584e3bdba15ac5fb8abd6267ec2a805aeb0478b88d3e5df05062f5a72571a40d2149c61f24e13f5573ab7cc26de064733d55def809ce5b3b16dc6546e9cfe5f81a103b7fdf7fadb7dd00322df", 0x87}, {&(0x7f0000000340)="b9f5786113c6eb6ee2f2176e99b6a559195b3ae8a6ffbd2cbf8ff50c78356e71e7ba58f4708083782362dc2de28a73382c6ea115da04a62bcfaeef16dbe54334a1071a3733687d8afb03e4f611907f5fe69539246425be46458f785bb3f434b9aa20ba7246412d2507", 0x69}], 0x6, r3) mprotect(&(0x7f0000b1d000/0x2000)=nil, 0x2000, 0x5) vmsplice(r1, &(0x7f0000b1d000)=[{&(0x7f0000005fe3)}], 0x1, 0x0) 2018/02/23 16:04:47 executing program 2: r0 = memfd_create(&(0x7f0000000000), 0x0) fcntl$addseals(r0, 0x409, 0x0) fcntl$setsig(r0, 0xa, 0x0) [ 55.586373] [] handle_mm_fault+0x2938/0x3190 [ 55.586381] [] ? copy_page_range+0x1480/0x1480 [ 55.586389] [] ? __do_page_fault+0x780/0xa00 [ 55.586395] [] ? vmacache_find+0x57/0x290 [ 55.586402] [] __do_page_fault+0x35b/0xa00 [ 55.586409] [] do_page_fault+0x27/0x30 [ 55.586416] [] page_fault+0x28/0x30 [ 55.586426] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 55.586433] [] ? do_sys_poll+0x1a4/0xcc0 [ 55.586440] [] ? check_preempt_wakeup+0x53e/0xa70 [ 55.586447] [] ? SyS_pselect6+0x530/0x530 [ 55.586454] [] ? preempt_schedule+0x25/0x30 [ 55.586461] [] ? ___preempt_schedule+0x12/0x14 [ 55.586468] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 55.586475] [] ? try_to_wake_up+0x62/0xf60 [ 55.586481] [] ? plist_check_head+0x4a/0x60 [ 55.586487] [] ? wake_up_q+0xbe/0x130 [ 55.586495] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 55.586500] [] ? futex_wake+0x153/0x450 [ 55.586507] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.586515] [] ? userfaultfd_release+0x5a0/0x5a0 [ 55.586527] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.586534] [] ? recalc_sigpending+0x76/0xa0 [ 55.586540] [] ? __set_task_blocked+0x107/0x240 [ 55.586547] [] ? __set_current_blocked+0x4b/0xa0 [ 55.586554] [] ? retarget_shared_pending+0x210/0x210 [ 55.586560] [] ? __set_current_blocked+0x80/0xa0 [ 55.586567] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 55.586573] [] ? __set_current_blocked+0x80/0xa0 [ 55.586579] [] ? sigprocmask+0xef/0x290 [ 55.586586] [] ? sigsuspend+0x1f0/0x1f0 [ 55.586592] [] ? __might_fault+0x114/0x1d0 [ 55.586599] [] SyS_ppoll+0x1b1/0x3e0 [ 55.586606] [] ? SyS_poll+0x3f0/0x3f0 [ 55.586612] [] ? SyS_futex+0x210/0x2c0 [ 55.586618] [] ? do_futex+0x15d0/0x15d0 [ 55.586626] [] ? security_file_ioctl+0x89/0xb0 [ 55.586632] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 55.586639] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 55.915934] CPU: 0 PID: 8125 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 55.923544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.932868] 0000000000000000 5e225ac6e584a78c ffff8800b67a7490 ffffffff81d03f6d [ 55.940827] ffff8800a8878c00 1ffff10016cf4e9f ffff8800b67a7618 0000000000000000 [ 55.948784] 0000000000000000 ffff8800b67a7640 ffffffff81607365 ffffffff81237470 [ 55.956739] Call Trace: [ 55.959296] [] dump_stack+0xc1/0x124 [ 55.964627] [] handle_userfault+0x715/0xf50 [ 55.970566] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 55.977545] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 55.983921] [] ? handle_mm_fault+0xb5d/0x3190 [ 55.990045] [] ? userfaultfd_poll+0x180/0x180 [ 55.996158] [] ? handle_mm_fault+0x291e/0x3190 [ 56.002363] [] handle_mm_fault+0x2938/0x3190 [ 56.008393] [] ? copy_page_range+0x1480/0x1480 [ 56.014594] [] ? __do_page_fault+0x780/0xa00 [ 56.020617] [] ? vmacache_find+0x57/0x290 [ 56.026381] [] __do_page_fault+0x35b/0xa00 [ 56.032232] [] do_page_fault+0x27/0x30 [ 56.037735] [] page_fault+0x28/0x30 [ 56.042982] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 56.049788] [] ? do_sys_poll+0x1a4/0xcc0 [ 56.055466] [] ? __might_sleep+0x90/0x1a0 [ 56.061230] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 56.067601] [] ? SyS_pselect6+0x530/0x530 [ 56.073367] [] ? check_preemption_disabled+0x3b/0x200 [ 56.080173] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 56.087068] [] ? futex_wait+0x4ad/0x610 [ 56.092660] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 56.099553] [] ? futex_wait_setup+0x330/0x330 [ 56.105666] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.112650] [] ? userfaultfd_release+0x5a0/0x5a0 [ 56.119021] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.126008] [] ? recalc_sigpending+0x76/0xa0 [ 56.132034] [] ? __set_task_blocked+0x107/0x240 [ 56.138318] [] ? __set_current_blocked+0x4b/0xa0 [ 56.144689] [] ? retarget_shared_pending+0x210/0x210 [ 56.151412] [] ? __set_current_blocked+0x80/0xa0 [ 56.157792] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 56.164080] [] ? __set_current_blocked+0x80/0xa0 [ 56.170454] [] ? sigprocmask+0xef/0x290 [ 56.176045] [] ? sigsuspend+0x1f0/0x1f0 2018/02/23 16:04:48 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/tcp6\x00') readv(r1, &(0x7f0000cf1fb0)=[{&(0x7f00007da000)=""/113, 0x71}, {&(0x7f0000899fc2)=""/62, 0x3e}], 0x2) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000040)={@generic, @ifru_flags}) 2018/02/23 16:04:48 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00006ec000)="8907040000", 0x5) r1 = add_key(&(0x7f0000000000)='blacklist\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="58ab8cd2271d7b01f928f4dfbe156a99f8fc26b4343e559ddac5b0858049b6faf492ddfc25e3d13ade", 0x29, 0xfffffffffffffffa) keyctl$clear(0x7, r1) sendto$inet(r0, &(0x7f0000890000), 0x0, 0x0, &(0x7f0000653ff0)={0x2, 0x0, @rand_addr=0x4}, 0x10) 2018/02/23 16:04:48 executing program 3: seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x2, &(0x7f0000022000)=[{0x0, 0x0, 0x0, 0xffffffffffffffe0}, {0x16}]}) signalfd4(0xffffffffffffffff, &(0x7f0000d31ff8), 0x8, 0x0) seccomp(0x0, 0x1, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0xb5, 0x2, 0x7fff, 0xe33}]}) 2018/02/23 16:04:48 executing program 7: socket$inet6(0x10, 0x4, 0x0) socketpair(0x7, 0x80002, 0x2e8, &(0x7f0000000000)={0x0, 0x0}) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000040)=0x0) r3 = request_key(&(0x7f0000000080)='encrypted\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000100)='security{vmnet0%ppp1]-ppp0eth0\x00', 0xfffffffffffffffe) r4 = request_key(&(0x7f00000001c0)='blacklist\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000240)='\x00', 0xfffffffffffffffa) keyctl$search(0xa, r3, &(0x7f0000000140)='cifs.idmap\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x3}, r4) sched_getaffinity(r2, 0x8, &(0x7f0000000080)) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000280)={@empty, 0x4, 0x3, 0x2, 0x2, 0x2, 0x0, 0x7ff}, 0x20) accept4$unix(r1, 0x0, &(0x7f00000000c0), 0x800) getsockopt$inet_tcp_int(r1, 0x6, 0x1b, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f0000000040)={{0x7fffffff, 0x80000000}, {0x2, 0x6}, 0x401, 0x2, 0xce07}) socket$inet6_dccp(0xa, 0x6, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x40000, 0x0) setsockopt$netrom_NETROM_N2(r5, 0x103, 0x3, &(0x7f0000000040), 0x4) getsockopt$ax25_int(r0, 0x101, 0xa, &(0x7f0000000140), &(0x7f0000000180)=0x4) 2018/02/23 16:04:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 2018/02/23 16:04:48 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) fcntl$notify(r0, 0x402, 0x15) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x40, 0x0) 2018/02/23 16:04:48 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x81}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000000c0)={r1, 0x5, 0x30}, 0xc) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:48 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0x0, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 56.182195] [] ? __might_fault+0x114/0x1d0 [ 56.188046] [] SyS_ppoll+0x1b1/0x3e0 [ 56.193375] [] ? SyS_poll+0x3f0/0x3f0 [ 56.198792] [] ? SyS_futex+0x210/0x2c0 [ 56.204295] [] ? do_futex+0x15d0/0x15d0 [ 56.209889] [] ? security_file_ioctl+0x89/0xb0 [ 56.216088] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 56.222551] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:48 executing program 3: socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000000000)={0x0, 0x0}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x10, r1, 0x0) pipe2(&(0x7f0000000040)={0x0, 0x0}, 0x4000) ioctl$KDDISABIO(r2, 0x4b37) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000000)=0x0) r4 = getpgid(r3) sched_setscheduler(r4, 0x0, &(0x7f0000000040)) fcntl$getown(r0, 0x9) 2018/02/23 16:04:48 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000f8b000)={{{@in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, @in6=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xa, 0x0, 0x0, 0x1}, {}, {}, 0x0, 0xffffffffffffffff, 0x80000001}, {{@in=@broadcast=0xffffffff}, 0x0, @in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}}, 0xe8) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x77, &(0x7f0000000000)={0x0, 0x3, 0x1, [0x3]}, &(0x7f0000000040)=0xa) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000080)={r1, 0x8a, "0efcdd0bab8bef720b7ce75d5536cd39ccb1cc8a4ee0eded27310aaeba01aec35e7f401a7ab22116467d9eed49c4ddb0c6b565e07e5640ff6a16500c6ffea67cc426877681922488e2be5dd6a383d61f5f805aa3f877754e691b57f6141f6531847d0a9097691620477e7a8d98b4e326c81f950885cf6c3bc7d4e50ed6c654d3e2a3ce07c48e9cb39f1c"}, &(0x7f0000000140)=0x92) connect$inet6(r0, &(0x7f0000415fe4)={0xa, 0xffffffffffffffff, 0x0, @local={0xfe, 0x80, [], 0x0, 0xaa}}, 0x1c) [ 56.293839] FAULT_FLAG_ALLOW_RETRY missing 30 [ 56.303048] CPU: 1 PID: 8195 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 56.310678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.320013] 0000000000000000 0cdfcf6e90ee6b3b ffff8801ce567490 ffffffff81d03f6d [ 56.327989] ffff8801b4840780 1ffff10039cace9f ffff8801ce567618 0000000000000000 [ 56.335960] 0000000000000000 ffff8801ce567640 ffffffff81607365 ffffffff81237470 [ 56.343939] Call Trace: [ 56.346500] [] dump_stack+0xc1/0x124 [ 56.351836] [] handle_userfault+0x715/0xf50 [ 56.357780] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.364763] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 56.371141] [] ? handle_mm_fault+0xb5d/0x3190 [ 56.377258] [] ? userfaultfd_poll+0x180/0x180 [ 56.383375] [] ? handle_mm_fault+0x291e/0x3190 [ 56.389574] [] handle_mm_fault+0x2938/0x3190 [ 56.395601] [] ? copy_page_range+0x1480/0x1480 [ 56.401803] [] ? __do_page_fault+0x780/0xa00 [ 56.407827] [] ? vmacache_find+0x57/0x290 [ 56.413595] [] __do_page_fault+0x35b/0xa00 [ 56.419452] [] do_page_fault+0x27/0x30 [ 56.424960] [] page_fault+0x28/0x30 [ 56.430209] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 56.437017] [] ? do_sys_poll+0x1a4/0xcc0 [ 56.442698] [] ? check_preempt_wakeup+0x53e/0xa70 [ 56.449162] [] ? SyS_pselect6+0x530/0x530 [ 56.454929] [] ? preempt_schedule+0x25/0x30 [ 56.460871] [] ? ___preempt_schedule+0x12/0x14 [ 56.467071] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 56.473968] [] ? try_to_wake_up+0x62/0xf60 [ 56.479820] [] ? plist_check_head+0x4a/0x60 [ 56.485758] [] ? wake_up_q+0xbe/0x130 [ 56.491180] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 56.498075] [] ? futex_wake+0x153/0x450 [ 56.503670] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.510652] [] ? userfaultfd_release+0x5a0/0x5a0 [ 56.517030] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.524012] [] ? recalc_sigpending+0x76/0xa0 [ 56.530041] [] ? __set_task_blocked+0x107/0x240 [ 56.536328] [] ? __set_current_blocked+0x4b/0xa0 [ 56.542702] [] ? retarget_shared_pending+0x210/0x210 [ 56.549421] [] ? __set_current_blocked+0x80/0xa0 [ 56.555796] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 56.562087] [] ? __set_current_blocked+0x80/0xa0 [ 56.568460] [] ? sigprocmask+0xef/0x290 [ 56.574054] [] ? sigsuspend+0x1f0/0x1f0 [ 56.579647] [] ? __might_fault+0x114/0x1d0 [ 56.585505] [] SyS_ppoll+0x1b1/0x3e0 2018/02/23 16:04:48 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0x0, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:48 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f0000000000)='\x00', 0x1) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f00000000c0)={{0xfffffffffffff22b, 0x1000}, {0x5, 0x3}, 0x200, 0x5, 0x2}) mmap(&(0x7f0000000000/0x18000)=nil, 0x18000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$int_in(r0, 0x80000000005405, &(0x7f0000003ff8)=0xfffffffffffffffe) 2018/02/23 16:04:48 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x40000000008, 0x1) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:48 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) sendmmsg(r0, &(0x7f0000001d80)=[{{&(0x7f0000000000)=@in6={0xa, 0x1, 0x0, @loopback={0x0, 0x1}}, 0x1c, &(0x7f0000000040)=[], 0x0, &(0x7f0000000000)=[]}}, {{&(0x7f0000000a80)=@in={0x2, 0xffffffffffffffff, @rand_addr}, 0x10, &(0x7f0000000000)=[], 0xb1, &(0x7f0000000040)=[{0x10}], 0x10}}], 0x2, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x80, 0x0) getsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f00000000c0)=0x8, &(0x7f0000000100)=0x4) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f0000000140)) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000000080)={0x1f, 0x0, 0x2}) 2018/02/23 16:04:48 executing program 5: r0 = getpgrp(0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) rt_tgsigqueueinfo(r0, r1, 0x20, &(0x7f00003efff0)={0x0, 0x0, 0x30005}) r2 = signalfd4(0xffffffffffffffff, &(0x7f0000000ff8)={0xfffffffffffffdb0}, 0x8, 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') read(r2, &(0x7f000015df80)=""/128, 0x80) [ 56.590838] [] ? SyS_poll+0x3f0/0x3f0 [ 56.596256] [] ? SyS_futex+0x210/0x2c0 [ 56.601763] [] ? do_futex+0x15d0/0x15d0 [ 56.607354] [] ? security_file_ioctl+0x89/0xb0 [ 56.613553] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 56.620014] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 56.672639] FAULT_FLAG_ALLOW_RETRY missing 30 [ 56.677766] CPU: 0 PID: 8195 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 56.685408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.694731] 0000000000000000 0cdfcf6e90ee6b3b ffff8801ce567490 ffffffff81d03f6d [ 56.702708] ffff8800a8878f00 1ffff10039cace9f ffff8801ce567618 0000000000000000 [ 56.710669] 0000000000000000 ffff8801ce567640 ffffffff81607365 ffffffff81237470 [ 56.718640] Call Trace: [ 56.721198] [] dump_stack+0xc1/0x124 [ 56.726534] [] handle_userfault+0x715/0xf50 [ 56.732474] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.739458] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 56.745830] [] ? huge_pmd_set_accessed+0x91/0x1c0 [ 56.752293] [] ? handle_mm_fault+0xb5d/0x3190 [ 56.758406] [] ? userfaultfd_poll+0x180/0x180 [ 56.764517] [] ? handle_mm_fault+0x291e/0x3190 [ 56.770716] [] handle_mm_fault+0x2938/0x3190 [ 56.776742] [] ? copy_page_range+0x1480/0x1480 [ 56.782943] [] ? __do_page_fault+0x780/0xa00 [ 56.788969] [] ? vmacache_find+0x57/0x290 [ 56.794743] [] __do_page_fault+0x35b/0xa00 [ 56.800598] [] do_page_fault+0x27/0x30 [ 56.806106] [] page_fault+0x28/0x30 [ 56.811353] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 56.818160] [] ? do_sys_poll+0x1a4/0xcc0 [ 56.823839] [] ? __might_sleep+0x90/0x1a0 [ 56.829606] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 56.835977] [] ? SyS_pselect6+0x530/0x530 [ 56.841743] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 56.848645] [] ? futex_wait+0x4ad/0x610 [ 56.854236] [] ? futex_wait_setup+0x330/0x330 [ 56.860350] [] ? get_futex_key_refs.isra.9+0xa0/0xa0 [ 56.867081] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.874065] [] ? kasan_slab_free+0x72/0xc0 [ 56.879916] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.886898] [] ? userfaultfd_release+0x5a0/0x5a0 [ 56.893272] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.900252] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 56.907233] [] ? recalc_sigpending+0x76/0xa0 [ 56.913259] [] ? __set_task_blocked+0x107/0x240 [ 56.919546] [] ? __set_current_blocked+0x4b/0xa0 [ 56.925920] [] ? retarget_shared_pending+0x210/0x210 [ 56.932648] [] ? __set_current_blocked+0x80/0xa0 [ 56.939020] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 56.945314] [] ? __set_current_blocked+0x80/0xa0 [ 56.951691] [] ? sigprocmask+0xef/0x290 [ 56.957283] [] ? sigsuspend+0x1f0/0x1f0 [ 56.962875] [] ? __might_fault+0x114/0x1d0 [ 56.968729] [] SyS_ppoll+0x1b1/0x3e0 2018/02/23 16:04:49 executing program 2: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000764ff0)='/dev/sequencer2\x00', 0x0, 0x0) fallocate(r0, 0x0, 0x100, 0x6) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000b18000)={{0xffffff92}, {0xffffffd0}}) fallocate(r0, 0x1, 0x1, 0x1) close(r0) 2018/02/23 16:04:49 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0x0, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:49 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000010000/0x2000)=nil, 0x2000}, 0x2}) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000040)=0x0) process_vm_readv(r1, &(0x7f0000000380)=[{&(0x7f0000000080)=""/157, 0x9d}, {&(0x7f0000001000)=""/4096, 0x1000}, {&(0x7f0000000140)=""/75, 0x4b}, {&(0x7f00000001c0)=""/132, 0x84}, {&(0x7f0000000280)=""/255, 0xff}], 0x5, &(0x7f0000000480)=[{&(0x7f0000000400)=""/47, 0x2f}, {&(0x7f0000000440)}], 0x2, 0x0) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000440)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r2, 0x40505330, &(0x7f00000004c0)={{0x200, 0xffffffffffffffff}, {0x0, 0x400}, 0x2, 0x3, 0x602e}) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) 2018/02/23 16:04:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:49 executing program 5: r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc\x00', 0x200002, 0x0) perf_event_open(&(0x7f0000000040)={0x4, 0x78, 0xfff, 0x10000, 0x20, 0x80000000, 0x0, 0x7c, 0x402, 0xa, 0x0, 0x0, 0x9, 0x7fff, 0x1, 0x6, 0xfffffffffffffff8, 0x4, 0xa0d, 0x8, 0x8, 0x401, 0x80, 0x8, 0x6, 0x1, 0x0, 0x81, 0x401, 0x5d6d, 0x0, 0x6, 0x7, 0x3, 0x7, 0x2, 0xffff, 0x6, 0x0, 0x6, 0x1, @perf_bp={&(0x7f0000000000), 0x1}, 0x508, 0x4, 0x100, 0x0, 0x101, 0x800, 0x6}, r0, 0x400, r1, 0x6) r2 = syz_open_dev$evdev(&(0x7f0000237fee)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCSMASK(r2, 0x40104593, &(0x7f00007e1000)={0x0, 0x1, &(0x7f0000000000)='\x00'}) 2018/02/23 16:04:49 executing program 7: r0 = memfd_create(&(0x7f0000041000)="6500000005", 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000041ff3)='/dev/snd/seq\x00', 0x0, 0x0) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000041f74)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r0, &(0x7f0000000e50)=[{0x0, 0x100000001, 0x0, 0x0, @tick=0x5da36b38, {}, {}, @result}], 0x30) membarrier(0x1, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000003a000)={0x32, @tick}) 2018/02/23 16:04:49 executing program 3: sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000764fc8)={&(0x7f0000a3b000)=@in6={0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}, 0x1c, &(0x7f00003b8f80)=[{&(0x7f0000007000)="ea306b0073192ed165e0ff2679b65abb1023f81e00dc30d928226b70da7d922af9c36e7e5c3fcab589ecebaeb7", 0x2d}], 0x1, &(0x7f0000c7b000)=[]}, 0x0) r0 = syz_open_dev$sg(&(0x7f0000997ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl$EVIOCSABS0(0xffffffffffffffff, 0x401845c0, &(0x7f0000007000)) ioctl(r0, 0x2285, &(0x7f0000007000)='S') ioctl(r0, 0x8, &(0x7f0000000000)="a18a6b24212861c6ef0b8c8a079e659def16b418113fac30e77b0c3a77e9589bcea512122b8ce6b855b2b1a372f719b602db9b1861f4536af28efc9e36bf5d655f22dd931f576d0716a059bf1d74e1c3b0fabaae5cae8cdb2c0361f7a7ad14b6ba7f76af14a0930f035975d70567bbf6edd1373e54ef96d6bd1bcbc88e48ebbb178b65ae3f221ed63ae5364ca7574f") 2018/02/23 16:04:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0x7, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000040)) ioctl$TIOCLINUX2(r0, 0x541c, &(0x7f0000000080)={0x2, 0xfffffffffffffffe, 0x1f, 0x4, 0x7, 0x9}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) mq_getsetattr(r0, &(0x7f00000000c0)={0x8, 0x2, 0x7a8189aa, 0x2, 0x100000000, 0x5, 0x1000, 0x40}, &(0x7f0000000100)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000000c0)={0xff, 0x8, 0x4, 0x6, 0x0}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000140)={r4, 0xb6, "6c7fc611a747c0353aba21eb895c1c86619c9f4a6f425475504034886d3b0dd5cec85fddb08f648f5e4ae61569282a3f662c60df05532bec3c5ce7a1bd241e9aee335e9ea2d7855b2e681c9fde299c6b36ac07d16767ef37800a9ae150791b66417c287556400a72bdf80fc31d29af35b6c13959cd21849d93952c5164b26bd0f3b36a230a58d2b64218a2b7f0cfc04afa8fef4cb830944bc3b00966fe835304c8a5ebb57d496a8660bef8518759bf2935746c318678"}, &(0x7f0000000200)=0xbe) [ 56.974059] [] ? SyS_poll+0x3f0/0x3f0 [ 56.979480] [] ? SyS_futex+0x210/0x2c0 [ 56.984984] [] ? do_futex+0x15d0/0x15d0 [ 56.990575] [] ? security_file_ioctl+0x89/0xb0 [ 56.996776] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 57.003238] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:49 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) listen(r0, 0xfd) r1 = syz_open_dev$evdev(&(0x7f0000079fee)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGMASK(r1, 0x80104592, &(0x7f0000fcc000)={0x0, 0x10, &(0x7f0000fcc000)="eb375d06e0aa9f9b211facffffffffff"}) 2018/02/23 16:04:49 executing program 3: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0xa) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000a5afd8)={@common='gre0\x00', @ifru_names=@generic="4f54000cc0a1ed4f3a0a1fdc222073b5"}) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x84002, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000080)={{0xfffffffffffffffd, 0xa5}, 'port1\x00', 0x10, 0x40001, 0x1, 0x0, 0xd9d, 0xfffffffffffffc00, 0x10000, 0x0, 0x3, 0x8}) write$tun(r0, &(0x7f0000000000)=@hdr={0x0, 0x1, 0x0, 0xffffffffffffff80, 0x0, 0x0, @ipv6={0x0, 0x6, "ede555", 0x8, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, @loopback={0x0, 0x1}, {[], @udp={0xffffffffffffffff, 0xffffffffffffffff, 0x8}}}}, 0x3a) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f00000000c0)={0x7, &(0x7f0000000080)=[{0x3c91ce8a, 0x3, 0x0, 0x10001}, {0xfffffffffffffff7, 0xee, 0x5, 0x38}, {0x3, 0x7bb4, 0x8, 0x100}, {0x0, 0xfc, 0x80, 0x1ff}, {0x5, 0x0, 0x100000001, 0x1f}, {0xb72, 0x8, 0xff, 0x1}, {0x3f, 0x2, 0x2, 0x93ec}]}) lstat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setfsuid(r2) 2018/02/23 16:04:49 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f0000000100)={0x20, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:49 executing program 0: syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) socketpair$llc(0x1a, 0x2, 0x0, &(0x7f0000000040)) ioctl$DRM_IOCTL_DROP_MASTER(r0, 0x641f) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:49 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) finit_module(r0, &(0x7f0000000040)='\x00', 0x2) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x800, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r1, 0xc08c5335, &(0x7f0000000080)={0x1ff, 0x1, 0x7, 'queue1\x00', 0xdc0}) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:49 executing program 7: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$GIO_SCRNMAP(r0, 0x4b40, &(0x7f0000000040)=""/232) mmap(&(0x7f0000000000/0xb3c000)=nil, 0xb3c000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r1, 0x0, 0x40000048f, &(0x7f0000789fd4)="8735d96127345deced18b86c09bb2e83c68174708d6db960782f2ea948ddbcc1de84de4442ed43fdb02bf212", 0x2c) [ 57.158038] FAULT_FLAG_ALLOW_RETRY missing 30 [ 57.162718] CPU: 0 PID: 8279 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 57.170318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.179642] 0000000000000000 38165ec7fd58c49a ffff8800af08f490 ffffffff81d03f6d [ 57.187617] ffff8801b4840900 1ffff10015e11e9f ffff8800af08f618 0000000000000000 [ 57.195582] 0000000000000000 ffff8800af08f640 ffffffff81607365 ffffffff81237470 [ 57.203557] Call Trace: [ 57.206119] [] dump_stack+0xc1/0x124 [ 57.211453] [] handle_userfault+0x715/0xf50 [ 57.217390] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.224372] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 57.230748] [] ? handle_mm_fault+0xb5d/0x3190 [ 57.236861] [] ? userfaultfd_poll+0x180/0x180 [ 57.242973] [] ? handle_mm_fault+0x291e/0x3190 [ 57.249172] [] handle_mm_fault+0x2938/0x3190 [ 57.255210] [] ? copy_page_range+0x1480/0x1480 [ 57.261413] [] ? __do_page_fault+0x780/0xa00 [ 57.267436] [] ? vmacache_find+0x57/0x290 [ 57.273198] [] __do_page_fault+0x35b/0xa00 [ 57.279049] [] do_page_fault+0x27/0x30 [ 57.284552] [] page_fault+0x28/0x30 [ 57.289805] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 57.296613] [] ? do_sys_poll+0x1a4/0xcc0 [ 57.302293] [] ? check_preempt_wakeup+0x53e/0xa70 [ 57.308750] [] ? SyS_pselect6+0x530/0x530 [ 57.314515] [] ? preempt_schedule+0x25/0x30 [ 57.320455] [] ? ___preempt_schedule+0x12/0x14 [ 57.326652] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 57.333546] [] ? try_to_wake_up+0x62/0xf60 [ 57.339396] [] ? plist_check_head+0x4a/0x60 [ 57.345335] [] ? wake_up_q+0xbe/0x130 [ 57.350751] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 57.357644] [] ? futex_wake+0x153/0x450 [ 57.363245] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.370232] [] ? userfaultfd_release+0x5a0/0x5a0 [ 57.376603] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.383583] [] ? recalc_sigpending+0x76/0xa0 [ 57.389608] [] ? __set_task_blocked+0x107/0x240 [ 57.395892] [] ? __set_current_blocked+0x4b/0xa0 [ 57.402266] [] ? retarget_shared_pending+0x210/0x210 [ 57.408983] [] ? __set_current_blocked+0x80/0xa0 [ 57.415356] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 57.421641] [] ? __set_current_blocked+0x80/0xa0 [ 57.428011] [] ? sigprocmask+0xef/0x290 [ 57.433601] [] ? sigsuspend+0x1f0/0x1f0 [ 57.439194] [] ? __might_fault+0x114/0x1d0 [ 57.445056] [] SyS_ppoll+0x1b1/0x3e0 [ 57.450386] [] ? SyS_poll+0x3f0/0x3f0 2018/02/23 16:04:49 executing program 5: pipe2(&(0x7f00008fa000)={0x0, 0x0}, 0x80800) read$eventfd(r0, &(0x7f0000e4eff8), 0x8) clock_gettime(0x0, &(0x7f0000002c00)={0x0, 0x0}) recvmmsg(r0, &(0x7f0000002ac0)=[{{0x0, 0x0, &(0x7f0000000000)=[], 0x0, &(0x7f0000000040)=""/4096, 0x1000, 0x8}}, {{0x0, 0x0, &(0x7f0000001200)=[{&(0x7f0000001040)=""/111, 0x6f}, {&(0x7f00000010c0)=""/163, 0xa3}, {&(0x7f0000001180)=""/106, 0x6a}], 0x3, &(0x7f0000001240)=""/183, 0xb7, 0x1}, 0x9}, {{&(0x7f0000001300)=@pppol2tpv3={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @loopback}}}, 0x2e, &(0x7f0000001540)=[{&(0x7f0000001340)=""/41, 0x29}, {&(0x7f0000001380)=""/104, 0x68}, {&(0x7f0000001400)=""/255, 0xff}, {&(0x7f0000001500)=""/41, 0x29}], 0x4, &(0x7f0000001580)=""/4096, 0x1000, 0x7}, 0x4}, {{&(0x7f0000002580)=@hci, 0xc, &(0x7f0000002640)=[{&(0x7f00000025c0)=""/47, 0x2f}, {&(0x7f0000002600)=""/57, 0x39}], 0x2, 0x0, 0x0, 0x4}, 0x5}, {{&(0x7f0000002680)=@pppoe={0x0, 0x0, {0x0, @random, @generic}}, 0x1e, &(0x7f0000002a00)=[{&(0x7f00000026c0)=""/9, 0x9}, {&(0x7f0000002700)=""/230, 0xe6}, {&(0x7f0000002800)=""/66, 0x42}, {&(0x7f0000002880)=""/138, 0x8a}, {&(0x7f0000000000)=""/147, 0x93}], 0x5, &(0x7f0000002a80)=""/46, 0x2e, 0x20}, 0x2}], 0x5, 0x2, &(0x7f0000002c40)={r2, r3+30000000}) fcntl$addseals(r4, 0x409, 0x4) read$eventfd(r1, &(0x7f0000000000), 0x8) utime(&(0x7f0000002940)='./file0\x00', &(0x7f0000002980)={0x1, 0x4}) ioctl$SNDRV_TIMER_IOCTL_STOP(r1, 0x54a1) prctl$void(0x3f) preadv(r1, &(0x7f0000002940)=[{&(0x7f0000002c80)=""/4096, 0x1000}, {&(0x7f0000003c80)=""/4096, 0x1000}, {&(0x7f0000004c80)=""/238, 0xee}], 0x3, 0x0) 2018/02/23 16:04:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:49 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0x7, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000040)) ioctl$TIOCLINUX2(r0, 0x541c, &(0x7f0000000080)={0x2, 0xfffffffffffffffe, 0x1f, 0x4, 0x7, 0x9}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) mq_getsetattr(r0, &(0x7f00000000c0)={0x8, 0x2, 0x7a8189aa, 0x2, 0x100000000, 0x5, 0x1000, 0x40}, &(0x7f0000000100)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000000c0)={0xff, 0x8, 0x4, 0x6, 0x0}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000140)={r4, 0xb6, "6c7fc611a747c0353aba21eb895c1c86619c9f4a6f425475504034886d3b0dd5cec85fddb08f648f5e4ae61569282a3f662c60df05532bec3c5ce7a1bd241e9aee335e9ea2d7855b2e681c9fde299c6b36ac07d16767ef37800a9ae150791b66417c287556400a72bdf80fc31d29af35b6c13959cd21849d93952c5164b26bd0f3b36a230a58d2b64218a2b7f0cfc04afa8fef4cb830944bc3b00966fe835304c8a5ebb57d496a8660bef8518759bf2935746c318678"}, &(0x7f0000000200)=0xbe) 2018/02/23 16:04:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) [ 57.455804] [] ? SyS_futex+0x210/0x2c0 [ 57.461308] [] ? do_futex+0x15d0/0x15d0 [ 57.466901] [] ? security_file_ioctl+0x89/0xb0 [ 57.473103] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 57.479562] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:49 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x10001, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:49 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = dup3(r0, r0, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000001080)={0x0, 0x0}) r3 = geteuid() prctl$void(0x1e) stat(&(0x7f00000010c0)='./file0\x00', &(0x7f0000001100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = openat$selinux_relabel(0xffffffffffffff9c, &(0x7f0000001980)='/selinux/relabel\x00', 0x2, 0x0) r6 = gettid() getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f00000019c0)={{{@in=@broadcast, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@remote}}, &(0x7f0000001ac0)=0xe8) fstat(r0, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r9 = accept$inet(0xffffffffffffffff, &(0x7f0000001d40)={0x0, 0xffffffffffffffff, @remote}, &(0x7f0000001d80)=0x10) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000001dc0)=0x0) getresuid(&(0x7f0000001e00), &(0x7f0000001e40), &(0x7f0000001e80)=0x0) lstat(&(0x7f0000001ec0)='./file0\x00', &(0x7f0000001f00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r1, &(0x7f0000002280)=[{&(0x7f0000000000)=@abs={0x1, 0x0, 0x1}, 0x8, &(0x7f0000001040)=[{&(0x7f0000000040)="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0x1000}], 0x1, &(0x7f0000001180)=[@rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r2, r3, r4}, @rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0]}], 0x88, 0x800}, {&(0x7f0000001240)=@abs={0x0, 0x0, 0x3}, 0x8, &(0x7f0000001840)=[{&(0x7f0000001280)="e52b8b808e047fd340a4743012e2d5cdbbceddf10bdc525b1e7fca138b4b5b300fc4f56006216010b6edbdf5a8d43d228b2bb23ad6f7086e8db4e2469a4675b26777f2f4c6af8ca2f6b35ea3aef1813fe2d2a829d6668fc29ffa81732cff00d218d4569a707e62f271562052963d004b949c4220c611ebe426ac0d024ed78849ef8dd7a5ac7d1aa99b11ad4013dc5ef803cdddfdaec3a25c3075614ba426c6a0f2faa8a56f009202d7adb09bdf866f49d97b3185a674fde5f944fa98a4302cdf3474cc5be0afa48083880705277e21a5", 0xd0}, {&(0x7f0000001380)="90348ca0931a03f89640c38a0ceda6e2d9baddd2e4467a7ae3064e07e9b8595983e4624f95af072e011bfa0661ca2bcb0d485e659f6e56bbbcb72425b2721624156f6cfcd9343e0cdae4ab8dc29fb3abd6f13bcdeb43595829987b261687491cff8192ec8773e678faa96dcfd96095719ec0bf1f7eaa80f7c9f5e92a1e49c34142f499fa50d14fdb8ac6267f944618ece884033950dc68d34552525719d83497ec86d8d6e402c853c340b08deb7a00a317db71c9fe332e71a80e47a751821e7a98e23bb67004dd004e7b43a112ed6e396eb9ed86b6ea8f9406ef573d6190571d9e1b266046e36283a571b40401a54880210a20acfb", 0xf5}, {&(0x7f0000001480)="c1c3891a974b9c64a7f7e3a3bf0bcd6e881e7f8bd2b78231c059d182a089a9f3c053529d6109e460dd5a81622049aa9deca787af704f0effa8a8e456c71f5880fa5b271aebda31d257d075b4a8672db9214ff94b3a3dbe94721daafac145a2cb1f413a", 0x63}, {&(0x7f0000001500)="bf123c9e390f19d4ec8334bd647bb2ca7b42a0c82289d4d6ab05ad01a6b154f1258a916e985d2cc39538ba44cf69b45dfa04754ec1d1f818cd9176c40b9ca8fb4c4f15f6def46055956e5b", 0x4b}, {&(0x7f0000001580)="d19eae87289d2af7f3a738e79aef85486c14eeaf77a5b2ddeed279388ce810b74355bc59b8f9116e5f92c75866b73ba4fd6dc4e1f5bf1662441f7d4955e5110733ee57107965adb70f998952b83a83d63caeb44f96428aa0e81b0c9122f770c41161a2e13b293b4da460bd69a7df1cc9315be9caba500ebd089425fcb91f550bf7786301fcde0883c981f42320584e88860e1fb9298a312e4e5953ac189d7a92ff5747ca0ea59fb2b0245928ebb6c02677776cdfffb425a7aa4b8edc489b625f05c5573865f5165916e2fd1a66fd17c3b3839b83d49b23ad85d96a85b334ae1da1b8b5bc51559e", 0xe7}, {&(0x7f0000001680)="c2cc31ebf476fbf38e67cf10288bbe2eced24d0c9e51a9b7296a9bfffbebe719c14b98eec784cc62f7b536d1459cab8ae02facce12ea2eb63bed4f45e844739d0d5124b884b106a16d73061cf93c06075ae399a8424101ca7c010bf9e1a89a667e7059b2292a635a8a07304411523490e57e8b1a0bfdc386c99a2f4f3a5a6512b11a3fbf94a07f0bb8b22400b5c21e885ad1c246a72d970cd36ed738f3bfc8ab8e4a0f8c4e25446335daf459197d23aa29c8d885a4fdc03c8b10c401a9ac3c4efb559f10da6004ad97a3e42eb69d82557030279774d440b2492eef11bf0df6294ad437cf09eeb4fd66cf3c98434f97bb372ba8b852a5", 0xf6}, {&(0x7f0000001780)="23d3aa827d4308044df8c206ae8fd5388c92e78ea825146c9f2af9eb0c4370462dcb2664834635b8ef1375192be08bf303e87dd79e34fb00eeadceccac2c007e2d72f7d69a672580608c3459cfb99b83a76177e0b480a19f60a28adffd531abbfe68777c6abb0efe2028740f6d4edeaac6c9", 0x72}, {&(0x7f0000001800)="efbf9cfbbb14dfb5e510fc01091130cd6f0946dbc8cd197aa05469d7757811d4", 0x20}], 0x8, &(0x7f0000001b80)=[@rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x20, 0x1, 0x1, [r5, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r6, r7, r8}], 0x90, 0x448c0}, {&(0x7f0000001c40)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000001d00)=[{&(0x7f0000001c80)="478e562414e62d6068cb1ba1c61918b05a4c0107da2bad92ddfc34b4ab916258f9115f81418e2c7f57a18d2e5ad638c6c715b0ab33bae7b30dcada892af08046cb5c107b8be5504b3b4e73eef84b", 0x4e}], 0x1, &(0x7f0000001f80)=[@rights={0x18, 0x1, 0x1, [r0, r0]}, @rights={0x38, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0, r9, r0]}, @cred={0x20, 0x1, 0x2, r10, r11, r12}], 0x70, 0x4000800}, {&(0x7f0000002000)=@abs={0x0, 0x0, 0x0}, 0x8, &(0x7f0000002080)=[{&(0x7f0000002040)="b173f3b63fe375691b93260a759b2b65cf0aa4c5c4bef91975b5568ab1a32bd9d6ed5148cd2e655b182b7d93e95b79bb8317a605dcae443fe9bc", 0x3a}], 0x1, &(0x7f00000020c0)=[@rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @rights={0x20, 0x1, 0x1, [r0, r0, r0]}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0, r0]}], 0x80, 0x40000}, {&(0x7f0000002140)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000002200)=[{&(0x7f0000002180)="4ddcffe828a4d55dd4dc7b69781b0754c1e598c47043e188e0f0fec717b6bd57dea6e0f0f98db7f70aecbf86ee25cf6486572ab0b04668ee5e8984ece50416a31f8ae87f533a557e9a65ff2f884c2087d491c385b38309a7c1677182e20357c433c4d6034c3af7adedeef8dd24e8e721f25af3", 0x73}], 0x1, &(0x7f0000002240)=[@rights={0x18, 0x1, 0x1, [r0]}], 0x18, 0x8000}], 0x5, 0x4000) 2018/02/23 16:04:49 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') ioctl$LOOP_SET_DIRECT_IO(r0, 0x4c08, 0x6) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) getsockopt$inet_opts(r2, 0x0, 0x9, &(0x7f0000000040)=""/241, &(0x7f0000000140)=0xf1) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:49 executing program 3: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/checkreqprot\x00', 0x20111000, 0x0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)) r1 = open(&(0x7f0000adeff6)='./control\x00', 0x28042, 0x0) fallocate(r1, 0x9, 0x0, 0x100000) 2018/02/23 16:04:49 executing program 5: r0 = eventfd2(0x0, 0xfffffffffffffffa) fadvise64(r0, 0x0, 0x1000, 0x3) 2018/02/23 16:04:49 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x8}) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:49 executing program 7: r0 = socket$inet(0x10, 0x3, 0xc) sendmsg(r0, &(0x7f0000010000)={0x0, 0x0, &(0x7f0000004000)=[{&(0x7f0000014fdc)="24000000000207031dfffd946fa2830020200a0009000200001d85680c1ba3a204000300", 0x24}], 0x1}, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000001c0)={0x9, 0x101, 0x0, 0x9, 0xffffffff, 0x2, 0x7, 0x1, 0x0}, &(0x7f0000000200)=0x20) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffff9c, 0x84, 0x66, &(0x7f0000000240)={0x0, 0x5}, &(0x7f0000000280)=0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000500)={0x0, 0x8}, &(0x7f0000000540)=0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000580)={0x0, 0x9}, &(0x7f00000005c0)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000800)={0x0, 0x2}, &(0x7f0000000840)=0x8) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x77, &(0x7f00000021c0)={0x0, 0x80000000, 0x5, [0x4, 0x3, 0x7, 0x9, 0x5]}, &(0x7f0000002200)=0x12) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000002240)={0x0, 0xfffffffffffff801, 0x7fffffff, 0x9, 0x5, 0x1, 0x4, 0x8, {0x0, @in={{0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}}, 0x7, 0xffff, 0x9, 0x9, 0x5e}}, &(0x7f0000002300)=0xb8) sendmmsg$inet_sctp(r0, &(0x7f0000002500)=[{&(0x7f0000000000)=@in6={0xa, 0x3, 0x7187, @mcast2={0xff, 0x2, [], 0x1}, 0x839}, 0x1c, &(0x7f0000000100)=[{&(0x7f0000000040)="dcabaab169cb129a6dcd42c875ec5c3b97e99bc2beb7b02e58b7105a328155e04f58f5ab2eba0ff8af9b217abfd0d4f00f0ba0dbe80638d2f363d1498f6a90a252d4977abfdd9486bd1c3c2f5ecd4e1ef633e7e30588199c94f12fa443a45d79111b156990995ac081b575d923930ce049aa837b796053b96cbe15c017332c6b2c6118d8601468ec48ca46729f7a158afa481bc41acdad24a73a5a1f9a6e37f9d4580fe72ed45ba286a5abe247b1da9304057f9460", 0xb5}], 0x1, &(0x7f00000002c0)=[@sndinfo={0x20, 0x84, 0x2, {0x8, 0x8002, 0x3, 0x8}}, @init={0x18, 0x84, 0x0, {0x5097, 0xf6, 0xffffffff, 0x8}}, @sndinfo={0x20, 0x84, 0x2, {0x3, 0x8207, 0xae, 0x90bf, r1}}, @sndrcv={0x30, 0x84, 0x1, {0x0, 0xff, 0x8004, 0x6, 0x80000000, 0x100000000, 0x1000, 0x7fffffff, r2}}], 0xc0, 0x804}, {&(0x7f0000000380)=@in={0x2, 0x3, @loopback=0x7f000001}, 0x10, &(0x7f00000004c0)=[{&(0x7f00000003c0)="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", 0xfa}], 0x1, &(0x7f0000000600)=[@sndinfo={0x20, 0x84, 0x2, {0x2d, 0x8, 0x8000, 0x39ebdfc6, r3}}, @sndinfo={0x20, 0x84, 0x2, {0x800, 0x8002, 0x800, 0x94, r4}}], 0x60, 0x200000c1}, {&(0x7f0000000680)=@in6={0xa, 0x1, 0xf896, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x1}, 0x1c, &(0x7f00000007c0)=[{&(0x7f00000006c0)="153a5b86295b5364f4929480b83d1da4baede42e8540c65f80db618afd70dd1af5373f4ce8af3949135b1abf891773614d120a936b446307529ea1b4595b1a0bff974fd4dcdb5c51d59a17dd31c3541ff936f9f3e5d8a4227d8aa6b69d928b261c0b1773b5a976e1ff87335649b130ef21568ed65ae0bd6e2a221a686bd8ba6fb753af882f22abbf80450bfa9588d1883e9d1aa307eda740fa3adec85a4c78bd3d3ed86b7a13f8e0cfabe13f15a45c958d51c8cb68060a", 0xb7}, {&(0x7f0000000780)}], 0x2, &(0x7f0000000880)=[@sndrcv={0x30, 0x84, 0x1, {0xffffffff, 0x8, 0x8, 0x40, 0x5, 0x3, 0x8, 0x0, r5}}, @init={0x18, 0x84, 0x0, {0x100000000, 0x9, 0x9, 0x40}}], 0x60, 0x44000}, {&(0x7f0000000900)=@in={0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x10, &(0x7f0000000c40)=[{&(0x7f0000000940)="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", 0xfd}, {&(0x7f0000000a40)="72476bb674ebc1c8ec28d7e45e8b2a7d0627881678b980531135cafed15cf421c933147e6328e738c7b8b7346e7a2883322873368c686940f107b9c80b081b32bc21440311d091be308c13aa60e8", 0x4e}, {&(0x7f0000000ac0)="7f6bcaa73e3ce1d36c6a62df68d49843212a48ba82e6d7f9fe2d799de1abf36dccfe6545238e8df6574e369cd7bf73be509090726826e1792df73bb44f571859fb5f16bea2abfba42f0e44eb4fb32163be4172dac4e2cbaf675bf10d977e280e9b2f083355236200b6770485fe2b96b16d0a1dc3bab4c2a1e00c6c34f83c8e13f2d221b8f50f889fe25e206b611c38d4108d3196413052321910366472f5852255ec16618c281c9e3106299d2651f8b87e726214a76cfc4748da3638b8dc5d9e1d8a3bba4e7f1e9f9a03a0d4874f30500579f4d9ddf3ce2741c3", 0xda}, {&(0x7f0000000bc0)="5a95511bbc8e30693045dbc6fbd9692a68fc92cb8b24b69610813b9f201a85eb98144d8e529c35d9a1cd8164ef97f8ba8186e98c75636eb7c7e06111907cfb2b6630", 0x42}], 0x4, 0x0, 0x0, 0x4004001}, {&(0x7f0000000c80)=@in6={0xa, 0x3, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x10000}, 0x1c, &(0x7f0000002100)=[{&(0x7f0000000cc0)="d4445282bab2032e5235cd496d0f267c3693f3879a206ee94817294423b271747af56046753091be9395d371f781784ca3b29f902630313ca106ae1112319cdb388f39e0481ad92fd5dfd85fd0da673ef3a869f0372cee9261a0efd93dedc049b6cfa2c96fbc8010f15d2e884c7630997ff118faf46a981f71cf841915fc951b82ad0a82a7d0e17fb356bcf58bde", 0x8e}, {&(0x7f0000000d80)="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0x1000}, {&(0x7f0000001d80)="16d37442591db3", 0x7}, {&(0x7f0000001dc0)="7f07178d4e5e02d5238e5d83652936cf47c4421a02737866dc5103de8c29c93cca01bd84b7f7f8764632a0425fc6d20ac8ec7070c41d43697f674458006922d7028d19b1ea931eb7c9820efe649c8b6aaa3a14919d282fcb148413cd5941016e4419dfe0d428484c88f42290299fad61feb945c0af23f6b1333b87ed00", 0x7d}, {&(0x7f0000001e40)="73837befbcbdd7294747acae9b6bdd3439be052d11cae1a15c44164209e91c1b34ba4be9fe578e5ed65a7f87175d9362668bcec221290e04525cbcea6b911bd62d4d8261d950fe551894db00bad6ca445c7a628ba7cbaf3efce3df2c354366340c8991a84e783f493863b2f132a01edeef15729e7ff962e1898a7e6d3c95dd55c97da195412f609dfe5650727c5dfdd98c02f9749f01e34b1e97caf77ce17194919203e0e3c79206fa4d193ae5506eca1444051c3af940e990413174c6ba8087d5d3a8f9ca4942e7fa12bb391f287cc8b0c92527804f0a9cdc4b6c71f77ce9a7d26cf9426d19ddacdb40d2ce67982f23d00a61", 0xf3}, {&(0x7f0000001f40)="cca0c2dcde50eaac4e051d132b0c7b2d57efca7d9f82b0bfceddecadfab5f1b51ab369c6b7f615a926949c07a3319fb1e3c84141384c30fbadd7b082f6dc38e1513f655b5fabce17f81645f2112b1dd24e03fb3e1d49014cd1f263c9a73863b01ee3761dcf62f4e2225c2e469bf95381d36d7ee8a988a4d980", 0x79}, {&(0x7f0000001fc0)="3cf5172436f78bd2aa96ba1bff8b2247619af754f6b5b42fc2f0458af9c4c19c297b2a13ea9c5e4f83b4e8fa760a6b5cff2b5cb649627f4a30b95d7e7d838f2a", 0x40}, {&(0x7f0000002000)="3c3def9b2103ea7c52d29be41c3c6ba295a106ed8d8d67b18e18fd76006e7980d18e9c7d50", 0x25}, {&(0x7f0000002040)="6e541557d281fa47b7e0b275df51e0c06aa8f0d720b3b8ee96ae1444e09244892c43b05a90616ceed1c7e55571c517090f7e924973200fe5009b7d3f4a9b5949e5e3dab128f1b5ef3b1467dc49386a3249c6f57a45b1fe4741b8c33cda139456c54c1a8a3daf46f59bd5bd0c0a9a8bed4f823bf7b7a57844ab56ebcdf644b52e79a53602a6c565e64496f52187482bbdca7efe5fbf5695ed4cc90a1d6275cac3feec918df69c83fa88df167cc556622c2a1ed17993ee89d3305c19", 0xbb}], 0x9, &(0x7f0000002340)=[@init={0x18, 0x84, 0x0, {0x8001, 0x101, 0x8, 0x9}}, @init={0x18, 0x84, 0x0, {0x80, 0x0, 0xfffffffffffffffb, 0x60000}}, @init={0x18, 0x84, 0x0, {0x80, 0x8001, 0x1f, 0x3}}, @init={0x18, 0x84, 0x0, {0x7fffffff, 0x4, 0x4, 0x7f}}, @init={0x18, 0x84, 0x0, {0x0, 0xfff, 0x5, 0xffffffff80000001}}, @sndinfo={0x20, 0x84, 0x2, {0x9, 0x0, 0x6, 0x3, r6}}, @init={0x18, 0x84, 0x0, {0x5422, 0x0, 0x0, 0x6}}, @sndinfo={0x20, 0x84, 0x2, {0x800, 0x1, 0x9, 0x6, r7}}, @init={0x18, 0x84, 0x0, {0x6, 0x4, 0xffffffffffff173e, 0x3}}], 0x1b0, 0x800}], 0x5, 0x4000000) 2018/02/23 16:04:49 executing program 2: stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000028fc8)={&(0x7f0000007ff4)={0x10}, 0xc, &(0x7f0000015ff0)={&(0x7f00000000c0)={0xac, 0x20, 0xaff, 0xffffffffffffffff, 0x0, {0x1000a}, [@nested={0x98, 0x5a, [@generic="cd896cb450cd29140fb108ee3a4348c0a0118b477f541385663e7761925b70f773e96d87715501bd3eab607cbcfe3e03bfc5286311c0f34240cf77de0ed34b6f58055efb322a6583b089866761a1681714e12f988b3f06500c956c57ba202b57c7393ef2100da6b5b48c88830e1ced2e", @typed={0xc, 0x5b, @ipv4=@loopback=0x7f000001}, @typed={0xc, 0x30, @uid=r0}, @typed={0xc, 0x70, @u32=0xffffffffffffffc8}]}]}, 0xac}, 0x1}, 0x0) 2018/02/23 16:04:49 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = open(&(0x7f0000039000)='./control\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000097ff6)='./control\x00', 0x0) mkdirat(r0, &(0x7f0000016ff8)='./file0\x00', 0x0) r1 = openat(r0, &(0x7f0000025000)='./file0\x00', 0x0, 0x0) symlinkat(&(0x7f0000023ff8)='./control\x00', r1, &(0x7f0000012ff6)='./control\x00') renameat2(r1, &(0x7f0000bee000)='./control\x00', r0, &(0x7f000003a000)='./control\x00', 0x2) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000fa3ff6)='./control\x00', 0x0, 0x0) write$selinux_create(r1, &(0x7f0000000040)=@objname={'system_u:object_r:lvm_control_t:s0', 0x20, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023', 0x20, 0x38, 0x30, 0x20, './control\x00'}, 0x5e) renameat2(r0, &(0x7f0000576ff8)='./file0\x00', r2, &(0x7f0000d38ff6)='./control\x00', 0x2) symlink(&(0x7f00000000c0)='./control\x00', &(0x7f0000000100)='./file0\x00') 2018/02/23 16:04:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000255ff0)={&(0x7f0000000000)=@getlink={0x90, 0x12, 0x400, 0x7, 0x1, {0x0, 0x0, 0x0, 0x0, 0x400, 0x200}, [@IFLA_LINK={0x8, 0x5, 0x10001}, @IFLA_CARRIER={0x8, 0x21, 0x7fff}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x10000}, @IFLA_PROTO_DOWN={0x8, 0x27, 0xfffffffffffffffd}, @IFLA_GROUP={0x8, 0x1b, 0x1ff}, @IFLA_PROMISCUITY={0x8, 0x1e, 0x5}, @IFLA_WEIGHT={0x8, 0xf}, @IFLA_IFNAME={0x14, 0x3, @common='nr0\x00'}, @IFLA_XDP={0x10, 0x2b, [@typed={0xc, 0xa, @ipv4=@broadcast=0xffffffff}]}, @IFLA_IFNAME={0x14, 0x3, @generic="9fbca20090d1836ad091d58c62b899c7"}]}, 0x90}, 0x1}, 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f00000000c0)={0x0, 0x0}) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000100)={0x2000000000000, {{0xa, 0x0, 0x80, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x0, 0xaa}}, 0x28ea}}, 0x0, 0x5, [{{0xa, 0x3, 0x7, @empty, 0x4}}, {{0xa, 0x3, 0x6, @dev={0xfe, 0x80, [], 0x0, 0xf}, 0x400}}, {{0xa, 0x0, 0x2, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x81}}, {{0xa, 0x3, 0x4, @loopback={0x0, 0x1}, 0x7fff}}, {{0xa, 0x0, 0x8, @loopback={0x0, 0x1}, 0xfffffffffffffffe}}]}, 0x310) 2018/02/23 16:04:49 executing program 3: mknod(&(0x7f00001c2000)='./file0\x00', 0x1040, 0x0) 2018/02/23 16:04:49 executing program 7: r0 = getpgid(0x0) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='stack\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000000)=""/62, 0x186}], 0x2000000000000129, 0xffffffffffffffff) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000080), &(0x7f0000000100)=0xc) 2018/02/23 16:04:49 executing program 3: r0 = inotify_init() mkdir(&(0x7f0000a7aff6)='./control\x00', 0x0) inotify_add_watch(r0, &(0x7f000003a000)='./control\x00', 0x104) r1 = inotify_init() inotify_add_watch(r1, &(0x7f000003a000)='./control\x00', 0x81000100) syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x2) recvfrom(r0, &(0x7f00000000c0)=""/122, 0xff8d, 0x40000000, 0x0, 0x984a0e5e) inotify_add_watch(r1, &(0x7f0000b38000)='./control\x00', 0x80000000) 2018/02/23 16:04:49 executing program 7: r0 = memfd_create(&(0x7f0000000000)='trusted*:\x00', 0x0) ioctl$SIOCSIFHWADDR(r0, 0x8924, &(0x7f0000000040)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x100}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_ifreq(r1, 0x8932, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_names=@syzn={0x73, 0x79, 0x7a}}) mlock2(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1) 2018/02/23 16:04:49 executing program 2: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000003000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r0, 0x80045104, &(0x7f0000264000)) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f0000000000)={0x800, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_AGP_UNBIND(r0, 0x40106437, &(0x7f0000000040)={r1, 0xb63}) 2018/02/23 16:04:49 executing program 7: clock_gettime(0x6, &(0x7f0000000000)) fanotify_init(0x5, 0x40801) [ 57.629032] FAULT_FLAG_ALLOW_RETRY missing 30 [ 57.633789] CPU: 0 PID: 8313 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 57.641400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.650732] 0000000000000000 76081b97c5db7d1d ffff8800af08f490 ffffffff81d03f6d [ 57.658750] ffff8800a8879380 1ffff10015e11e9f ffff8800af08f618 0000000000000000 [ 57.666761] 0000000000000000 ffff8800af08f640 ffffffff81607365 ffffffff81237470 [ 57.674756] Call Trace: [ 57.677316] [] dump_stack+0xc1/0x124 [ 57.682650] [] handle_userfault+0x715/0xf50 [ 57.688592] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.695606] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 57.701982] [] ? handle_mm_fault+0xb5d/0x3190 [ 57.708106] [] ? userfaultfd_poll+0x180/0x180 [ 57.714227] [] ? handle_mm_fault+0x291e/0x3190 [ 57.720427] [] handle_mm_fault+0x2938/0x3190 [ 57.726455] [] ? copy_page_range+0x1480/0x1480 [ 57.732655] [] ? __do_page_fault+0x780/0xa00 [ 57.738681] [] ? vmacache_find+0x57/0x290 [ 57.744446] [] __do_page_fault+0x35b/0xa00 [ 57.750305] [] do_page_fault+0x27/0x30 [ 57.755819] [] page_fault+0x28/0x30 [ 57.761066] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 57.767876] [] ? do_sys_poll+0x1a4/0xcc0 [ 57.773557] [] ? check_preempt_wakeup+0x53e/0xa70 [ 57.780016] [] ? SyS_pselect6+0x530/0x530 [ 57.785782] [] ? preempt_schedule+0x25/0x30 [ 57.791723] [] ? ___preempt_schedule+0x12/0x14 [ 57.797930] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 57.804834] [] ? try_to_wake_up+0x62/0xf60 [ 57.810687] [] ? plist_check_head+0x4a/0x60 [ 57.816625] [] ? wake_up_q+0xbe/0x130 [ 57.822045] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 57.828937] [] ? futex_wake+0x153/0x450 [ 57.834531] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.841514] [] ? userfaultfd_release+0x5a0/0x5a0 [ 57.847887] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 57.854870] [] ? recalc_sigpending+0x76/0xa0 [ 57.860895] [] ? __set_task_blocked+0x107/0x240 [ 57.867191] [] ? __set_current_blocked+0x4b/0xa0 [ 57.873573] [] ? retarget_shared_pending+0x210/0x210 [ 57.880294] [] ? __set_current_blocked+0x80/0xa0 [ 57.886670] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 57.892963] [] ? __set_current_blocked+0x80/0xa0 [ 57.899337] [] ? sigprocmask+0xef/0x290 [ 57.904930] [] ? sigsuspend+0x1f0/0x1f0 [ 57.910532] [] ? __might_fault+0x114/0x1d0 [ 57.916394] [] SyS_ppoll+0x1b1/0x3e0 [ 57.921725] [] ? SyS_poll+0x3f0/0x3f0 [ 57.927143] [] ? SyS_futex+0x210/0x2c0 [ 57.932649] [] ? do_futex+0x15d0/0x15d0 [ 57.938247] [] ? security_file_ioctl+0x89/0xb0 [ 57.944449] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 57.950909] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:50 executing program 5: clone(0x0, &(0x7f0000b82ffd), &(0x7f0000768000), &(0x7f0000197000), &(0x7f00007e7f96)) getpgid(0x0) r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000ffa000/0x4000)=nil, 0x4000}) ioctl$EVIOCGKEYCODE(r0, 0x80084504, &(0x7f0000000080)=""/236) utimensat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x100) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000000c0)={0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x20) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x0, 0xffff}, 0x8) seccomp(0x0, 0x0, &(0x7f0000044ff0)={0x0, &(0x7f0000000000)=[]}) getrlimit(0xf, &(0x7f0000000000)) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x100000001) sendto$inet(r0, &(0x7f0000000180)="4a4b0c86f8a65f25a07fd7bfbee4179b1574cae4b8ae6a23b2bb640a2a1127407907180e4e8a9e8e50b9d88410fb341b760f84d351e6afbc6e66d0b3d315006000a7c09a73eceb19ee9d", 0x4a, 0x20000080, &(0x7f0000000200)={0x2, 0x1, @dev={0xac, 0x14, 0x0, 0xe}}, 0x10) 2018/02/23 16:04:50 executing program 2: r0 = socket$inet6(0xa, 0x80002, 0x0) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000000000)) connect$inet(r0, &(0x7f0000f60ff0)={0x2, 0xffffffffffffffff, @empty}, 0x10) sendto$inet6(r0, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000001000)={0xa, 0x3, 0x0, @dev={0xfe, 0x80}}, 0x1c) 2018/02/23 16:04:50 executing program 7: r0 = socket(0x10, 0x803, 0x0) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000000)=0x6, 0x4) write(r0, &(0x7f000043dfe9)="170000001a001bed0000132100f404008100000000018d", 0xfffffffffffffea1) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000040)={0x0, 0x85f5, 0x6, 0x1}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f00000000c0)={r1, @in={{0x2, 0x1, @multicast2=0xe0000002}}, [0x9, 0x81, 0x0, 0x100000000, 0x5, 0x2, 0x6, 0x3, 0x100000000, 0x3, 0x3, 0x1ff, 0xfffffffffffffffc, 0x0, 0x8]}, &(0x7f0000000200)=0x108) getsockopt$inet6_opts(r0, 0x29, 0x3f, &(0x7f0000000040)=""/36, &(0x7f0000000080)=0x24) setsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f0000000240)=0x7fffffff, 0x4) ioctl$sock_inet6_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f00000000c0)) 2018/02/23 16:04:50 executing program 0: r0 = socket$inet6_icmp(0xa, 0x2, 0x3a) getpeername$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x14) setsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000080)={@local={0xfe, 0x80, [], 0x0, 0xaa}, r1}, 0x14) ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) r2 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x200000, 0x0) ioctl$LOOP_SET_CAPACITY(r2, 0x4c07) 2018/02/23 16:04:50 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {0x3, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:50 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) clock_gettime(0x7, &(0x7f0000000040)) sync_file_range(r0, 0x8000, 0x80000001, 0x7) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f00000000c0)=0x2) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x20000, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:50 executing program 3: rt_sigprocmask(0x1, &(0x7f0000000000)={0x7fffffff}, &(0x7f0000000040), 0x8) r0 = socket$packet(0x11, 0x3, 0x300) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f00000000c0)={0x7, 0x3ff}) setsockopt$packet_int(r0, 0x107, 0x8, &(0x7f0000fecffc)=0x4, 0x4) syz_emit_ethernet(0x2e, &(0x7f0000a7e000)={@link_local={0x1, 0x80, 0xc2}, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff, 0xbb}, [{[], {0x8100}}], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @empty, @multicast1=0xe0000001, {[]}}, @icmp=@echo_reply}}}}, &(0x7f0000240ff4)={0x0, 0x1, [0x0]}) recvmsg(r0, &(0x7f0000ec7000)={&(0x7f0000d3eff0)=@nfc, 0x10, &(0x7f0000495f90)=[], 0x0, &(0x7f0000ccf000)=""/4096, 0x1000}, 0x0) 2018/02/23 16:04:50 executing program 4: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000000040)={0x1}, 0x4) setsockopt$inet_mreq(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000)={@rand_addr=0x1, @multicast2=0xe0000002}, 0x8) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000040)={{{@in=@multicast1, @in6=@ipv4={[], [], @dev}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) ioprio_get$uid(0x3, r4) pivot_root(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00') getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000100)=0x4) sendfile(r1, 0xffffffffffffffff, &(0x7f0000fd9ff8), 0x100000001) ioctl$sock_SIOCSIFBR(r2, 0x8941, &(0x7f0000000100)=@get={0x1, &(0x7f00000000c0), 0x3ff}) 2018/02/23 16:04:50 executing program 2: seccomp(0x1, 0x0, &(0x7f0000044ff0)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) pipe(&(0x7f0000000040)={0x0, 0x0}) getsockopt$inet_dccp_int(r0, 0x21, 0x15, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000040)=0x0) prlimit64(r1, 0x2, 0x0, &(0x7f0000000080)) ptrace$setopts(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 58.081078] FAULT_FLAG_ALLOW_RETRY missing 30 [ 58.085686] CPU: 1 PID: 8360 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 58.093289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.102613] 0000000000000000 00ce07e26000b2b3 ffff8801c8c4f490 ffffffff81d03f6d [ 58.110574] ffff8801b4840d80 1ffff10039189e9f ffff8801c8c4f618 0000000000000000 [ 58.118550] 0000000000000000 ffff8801c8c4f640 ffffffff81607365 ffffffff81237470 [ 58.126512] Call Trace: [ 58.129067] [] dump_stack+0xc1/0x124 [ 58.134401] [] handle_userfault+0x715/0xf50 [ 58.140339] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.147317] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 58.153691] [] ? handle_mm_fault+0xb5d/0x3190 [ 58.159802] [] ? userfaultfd_poll+0x180/0x180 [ 58.165915] [] ? handle_mm_fault+0x291e/0x3190 [ 58.172114] [] handle_mm_fault+0x2938/0x3190 [ 58.178148] [] ? copy_page_range+0x1480/0x1480 [ 58.184350] [] ? __do_page_fault+0x780/0xa00 [ 58.190374] [] ? vmacache_find+0x57/0x290 [ 58.196136] [] __do_page_fault+0x35b/0xa00 [ 58.201986] [] do_page_fault+0x27/0x30 [ 58.207492] [] page_fault+0x28/0x30 [ 58.212736] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 58.219544] [] ? do_sys_poll+0x1a4/0xcc0 [ 58.225221] [] ? check_preempt_wakeup+0x53e/0xa70 [ 58.231679] [] ? SyS_pselect6+0x530/0x530 [ 58.237444] [] ? preempt_schedule+0x25/0x30 [ 58.243381] [] ? ___preempt_schedule+0x12/0x14 [ 58.249585] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 58.256477] [] ? try_to_wake_up+0x62/0xf60 [ 58.262329] [] ? plist_check_head+0x4a/0x60 [ 58.268264] [] ? wake_up_q+0xbe/0x130 [ 58.273680] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 58.280576] [] ? futex_wake+0x153/0x450 [ 58.286166] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.293145] [] ? userfaultfd_release+0x5a0/0x5a0 [ 58.299515] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.306494] [] ? recalc_sigpending+0x76/0xa0 [ 58.312519] [] ? __set_task_blocked+0x107/0x240 [ 58.318803] [] ? __set_current_blocked+0x4b/0xa0 [ 58.325173] [] ? retarget_shared_pending+0x210/0x210 [ 58.331892] [] ? __set_current_blocked+0x80/0xa0 [ 58.338262] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 58.344548] [] ? __set_current_blocked+0x80/0xa0 [ 58.350918] [] ? sigprocmask+0xef/0x290 [ 58.356506] [] ? sigsuspend+0x1f0/0x1f0 [ 58.362096] [] ? __might_fault+0x114/0x1d0 [ 58.367944] [] SyS_ppoll+0x1b1/0x3e0 [ 58.373276] [] ? SyS_poll+0x3f0/0x3f0 [ 58.378690] [] ? SyS_futex+0x210/0x2c0 [ 58.384193] [] ? do_futex+0x15d0/0x15d0 [ 58.389788] [] ? security_file_ioctl+0x89/0xb0 [ 58.395985] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 58.402443] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:50 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) socket$packet(0x11, 0x2, 0x300) setsockopt$inet_buf(r0, 0x0, 0x2000000000004, &(0x7f0000001fe8)="83170400000200000060f0055f0d10d438b088d1699a22a2", 0x21) 2018/02/23 16:04:50 executing program 7: r0 = socket$inet(0x11, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f000001dfd8)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x0}) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x400000, 0x0) getsockopt$inet6_buf(r2, 0x29, 0x3f, &(0x7f0000000040)=""/177, &(0x7f0000000100)=0xb1) bind(r0, &(0x7f0000002000)=@ll={0x11, 0x0, r1, 0x1, 0x0, 0x6, @empty}, 0x14) sendmmsg(r0, &(0x7f0000000880)=[{{&(0x7f0000000080)=@ll={0x11, 0x0, r1, 0x1, 0x0, 0x6, @link_local={0x1, 0x80, 0xc2}}, 0x14, &(0x7f0000000100)=[], 0x0, &(0x7f0000000140)=[]}}, {{0x0, 0x0, &(0x7f0000000300)=[], 0x0, &(0x7f0000000340)=[]}}], 0x2, 0x0) 2018/02/23 16:04:50 executing program 5: prctl$intptr(0x1c, 0x64) prctl$intptr(0x4, 0x71bf) 2018/02/23 16:04:50 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:50 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, r0, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r2 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x321000, 0x0) ioctl$ASHMEM_SET_NAME(r2, 0x41007701, &(0x7f0000000080)='user@\x00') getsockopt$netlink(r2, 0x10e, 0xd, &(0x7f00000000c0)=""/127, &(0x7f0000000140)=0x7f) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[], 0x0, &(0x7f0000000000), &(0x7f0000000ff8)={0x9}, 0x8) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r3, r4) 2018/02/23 16:04:50 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {0x0, 0x80000000}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:50 executing program 4: socket$inet6_dccp(0xa, 0x6, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x1) r2 = socket$inet(0x2, 0xa, 0x0) pipe(&(0x7f0000000080)) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000000040)={@common='ip6gre0\x00', @ifru_addrs={0x2, 0x0, @multicast2=0xe0000002}}) 2018/02/23 16:04:50 executing program 3: r0 = perf_event_open(&(0x7f000000a000)={0x0, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$evdev(&(0x7f000063a000)='/dev/input/event#\x00', 0x2, 0x0) r2 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x3, 0x10000) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x7f, 0x0, 0x0, 0x800}) ioctl$DRM_IOCTL_SG_FREE(r2, 0x40106439, &(0x7f00000000c0)={0x122d, r3}) ioctl$EVIOCGREP(r1, 0x80084503, &(0x7f0000001000)) removexattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@random={'security.', '\x00'}) removexattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=@known='trusted.syz\x00') r4 = fcntl$dupfd(r1, 0x406, r0) setsockopt$netrom_NETROM_T4(r4, 0x103, 0x6, &(0x7f0000000140)=0xf07, 0x4) 2018/02/23 16:04:50 executing program 5: fanotify_mark(0xffffffffffffffff, 0xd4, 0x0, 0xffffffffffffffff, &(0x7f0000981000)='./file0\x00') open(&(0x7f0000000000)='./file1\x00', 0x2000, 0x11) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) 2018/02/23 16:04:50 executing program 5: prctl$intptr(0x1c, 0x6) prctl$intptr(0x1c, 0x5) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x200, 0x0) ioctl$GIO_FONT(r0, 0x4b60, &(0x7f0000000040)=""/14) 2018/02/23 16:04:50 executing program 0: r0 = dup(0xffffffffffffff9c) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000000)={0x0, 0x3}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000080)={r1, @in6={{0xa, 0x3, 0x2, @dev={0xfe, 0x80, [], 0x0, 0x10}, 0x3}}, 0xffffffffffffffff, 0x400}, 0x98) r2 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x20000000, 0x20000000) r3 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x2) openat(r3, &(0x7f0000000040)='./file0\x00', 0x0, 0x94) ioctl$LOOP_SET_CAPACITY(r2, 0x4c07) ioctl$sock_inet_SIOCSIFBRDADDR(r3, 0x891a, &(0x7f0000000080)={@common='erspan0\x00', @ifru_addrs={0x2, 0x2, @multicast1=0xe0000001}}) socket$inet_tcp(0x2, 0x1, 0x0) 2018/02/23 16:04:50 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f000000b000)={0x2, &(0x7f0000000000)=[{0x80}, {0x10000006}]}, 0x10) sendto$unix(r1, &(0x7f000000ff57), 0x0, 0x0, &(0x7f000000ffdf)=@file, 0x2) 2018/02/23 16:04:50 executing program 5: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) r1 = memfd_create(&(0x7f0000000000)='GPLzcgroup\x00', 0x3) ioctl$EVIOCGABS2F(r1, 0x8018456f, &(0x7f0000000100)=""/233) add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, &(0x7f0000889000)="3257fa", 0x3, r0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000200)={0x0, 0x89, "e7d63df400917c94d73ad2f0cd3dfdab374beb13e45acb0a6106e6a0ca7c25f25ab014b6131752a2e7348ac2b8df96a97bcd1e6efd65baea6c43dd55fa2661aacd25f7af3de6785f53dbb3d353b91acdadc25769c9fd5569e72e5047664eadb1b502f83eeb6935e70cb191c45046b20443602619493136803eac862a571a584fde9bd92f09b7dd58d4"}, &(0x7f00000002c0)=0x91) setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000300)={r2, 0x5, 0x5, 0x800, 0x6, 0x3f}, 0x14) add_key$keyring(&(0x7f0000000340)='keyring\x00', &(0x7f0000000380)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, r0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00006f3ff0)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r1, 0x40045108, &(0x7f0000000340)) 2018/02/23 16:04:50 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f0000000040), &(0x7f0000000080)=0x8) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:50 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {}, 0xfff, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:50 executing program 5: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) r1 = memfd_create(&(0x7f0000000000)='GPLzcgroup\x00', 0x3) ioctl$EVIOCGABS2F(r1, 0x8018456f, &(0x7f0000000100)=""/233) add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, &(0x7f0000889000)="3257fa", 0x3, r0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000200)={0x0, 0x89, "e7d63df400917c94d73ad2f0cd3dfdab374beb13e45acb0a6106e6a0ca7c25f25ab014b6131752a2e7348ac2b8df96a97bcd1e6efd65baea6c43dd55fa2661aacd25f7af3de6785f53dbb3d353b91acdadc25769c9fd5569e72e5047664eadb1b502f83eeb6935e70cb191c45046b20443602619493136803eac862a571a584fde9bd92f09b7dd58d4"}, &(0x7f00000002c0)=0x91) setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000300)={r2, 0x5, 0x5, 0x800, 0x6, 0x3f}, 0x14) add_key$keyring(&(0x7f0000000340)='keyring\x00', &(0x7f0000000380)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, r0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00006f3ff0)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r1, 0x40045108, &(0x7f0000000340)) 2018/02/23 16:04:50 executing program 2: r0 = socket(0x2, 0x2, 0x0) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000000)=@generic="9e4c54ac6910e77aaa434e70924c6553") ioctl$void(r0, 0xc0045c7f) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x0, 0x0) ioctl$DRM_IOCTL_AGP_RELEASE(r1, 0x6431) setsockopt$inet_int(r0, 0x0, 0x200000000000012, &(0x7f0000b18ffc)=0xfe, 0xef) setsockopt$inet_dccp_int(r0, 0x21, 0x1, &(0x7f0000000000)=0x55b, 0x4) 2018/02/23 16:04:50 executing program 7: r0 = socket$inet(0x11, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f000001dfd8)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x0}) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x400000, 0x0) getsockopt$inet6_buf(r2, 0x29, 0x3f, &(0x7f0000000040)=""/177, &(0x7f0000000100)=0xb1) bind(r0, &(0x7f0000002000)=@ll={0x11, 0x0, r1, 0x1, 0x0, 0x6, @empty}, 0x14) sendmmsg(r0, &(0x7f0000000880)=[{{&(0x7f0000000080)=@ll={0x11, 0x0, r1, 0x1, 0x0, 0x6, @link_local={0x1, 0x80, 0xc2}}, 0x14, &(0x7f0000000100)=[], 0x0, &(0x7f0000000140)=[]}}, {{0x0, 0x0, &(0x7f0000000300)=[], 0x0, &(0x7f0000000340)=[]}}], 0x2, 0x0) 2018/02/23 16:04:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) socketpair(0x11, 0x80000, 0xffffffff, &(0x7f0000000000)={0x0, 0x0}) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000040)={0x0, 0xed, "d457278f3517ba60f0521dc98176954f5b183a6bd467f6c5b7918a42ba44b2cbf3884180156fbe84bf2a75996278400c78a3c6973176f09b203047cb8d6c641f4a0535b74f644ea085874a4cfdb66d22fe1474c8a5978b01233e7f68266193db2495e2ef465e95f1ed3b016fdb7c4fe69e505e1b36651536f66e72a930daec5f329680e56d219e4406723d7c70276abe74fa3bd29363521eaa027d8429006b81586862556169580805c7d7e990420e314a72a585b1bbd6c703e3c70400731299c6429bae911bdc0f131f29bceaa40c96ef857b594d6af66f083d26c81add39d405e5c5b08c7b7baacfefbea38b"}, &(0x7f0000000140)=0xf5) getsockname(r2, &(0x7f0000000180)=@in={0x0, 0xffffffffffffffff, @multicast1}, &(0x7f00000001c0)=0x10) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000180)={r3, 0x4}, 0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x1}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) writev(r0, &(0x7f0000e0a000)=[{&(0x7f000083c000)="390000001300094700bb61e1c3050000070000060200000045000000000080f008003c000d003f000000280ff4000300000000000000060400", 0x39}], 0x1) 2018/02/23 16:04:50 executing program 7: socketpair(0x1, 0x6, 0xfffffffffffffffe, &(0x7f0000000000)={0x0, 0x0}) recvmsg(r1, &(0x7f0000000140)={&(0x7f0000000040)=@alg, 0x58, &(0x7f0000000100)=[{&(0x7f00000000c0)=""/62, 0x3e}], 0x1, 0x0, 0x0, 0x6}, 0x40) ioctl$GIO_CMAP(r1, 0x4b70, &(0x7f0000000180)) getsockopt$inet6_udp_int(r0, 0x11, 0x64, &(0x7f00000001c0), &(0x7f0000000200)=0x4) getsockopt$llc_int(r0, 0x10c, 0xb, &(0x7f0000000180), &(0x7f00000001c0)=0x4) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000dfb000)='/proc/self/net/pfkey\x00', 0x0, 0x0) r3 = syz_open_dev$sg(&(0x7f0000afa000)='/dev/sg#\x00', 0x0, 0x1) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r3, 0x84, 0xf, &(0x7f0000000180)={0x0, @in={{0x2, 0x1, @empty}}, 0x0, 0x3, 0x6, 0x80000000, 0x80000000}, &(0x7f0000000240)=0xa0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000280)={r4, 0xfffffffffffffffe}, &(0x7f00000002c0)=0x8) sendfile(r3, r2, &(0x7f0000979ff8), 0xff) 2018/02/23 16:04:50 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000003f18)={{{@in=@empty, @in=@broadcast=0xffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xa}}, {{@in=@loopback=0x7f000001}, 0x0, @in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}}, 0xe8) setsockopt$sock_void(r0, 0x29, 0x23, 0x0, 0x0) connect$l2tp(r0, &(0x7f0000000000)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x4, 0x2, 0x1, 0x0, {0xa, 0x2, 0x1, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x9}}}, 0x32) 2018/02/23 16:04:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$fiemap(r0, 0xc020660b, &(0x7f0000000000)={0xfffffffffffffffb, 0x20000000000000, 0x4, 0x20, 0x7, [{0x100000001, 0x8, 0xfffffffffffffffa, 0x0, 0x0, 0x2000}, {0x2, 0x3, 0x9, 0x0, 0x0, 0x2200}, {0x9, 0x400, 0xfffffffffffffffd, 0x0, 0x0, 0xc00}, {0x7, 0x9, 0x92, 0x0, 0x0, 0x400}, {0x9, 0x8, 0x8, 0x0, 0x0, 0x2480}, {0x2, 0x3, 0x79, 0x0, 0x0, 0x8}, {0x1, 0xc00000000000, 0x0, 0x0, 0x0, 0x400}]}) write(r1, &(0x7f00000001c0)="32c975b2d07685ec0ce845fd58c8da75428ae1c075db7a2a3212663cb8cf7b6e908af79b97ea64887172c2ef7285e438de7d374afca4d1baeb756ff959a3ee15b6669ce0ef3403997d6c21b7253e3e9c4a33430b7c0e5128c5ec5813bd5c15e624a224c3cd0a010933a9eb84a3", 0xffffff0a) setsockopt$sock_int(r0, 0x1, 0x22, &(0x7f0000000000)=0x7, 0x4) recvmsg(r0, &(0x7f0000019fc8)={0x0, 0x0, &(0x7f000001e000)=[], 0x0, &(0x7f0000019000)}, 0x0) 2018/02/23 16:04:50 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000010000/0x3000)=nil, 0x3000}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xfffffe, 0x32, r0, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:50 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x2010, r0, 0xd) 2018/02/23 16:04:50 executing program 0: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000040)={0x0, 0x7fff, 0x10, 0x2e}, &(0x7f0000000080)=0x18) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000000c0)={r1, 0xffffffff}, 0x8) r2 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r2, 0x4c07) 2018/02/23 16:04:50 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {}, 0x0, 0x3, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:50 executing program 5: r0 = open(&(0x7f0000fe0ff8)='./file0\x00', 0x80042, 0x0) rename(&(0x7f0000fdbff8)='./file0\x00', &(0x7f0000887ff8)='./file1\x00') write$fuse(r0, &(0x7f0000000000)={0x97, 0x5, 0x2, @random="8525eec13d2cca03cff845b8969fb41330bd18e274cb406d6aa6e467ecb8041e56b14b382278f34f681c80beb03395ec0d3ab4dcf46a8000cffbdbc3612a6c5d8841fd47e9b6d64e47b873d488ad5b8a6a7b0bbc5fe5869bc98f10dabbe347ec1626ee94a1898585e8deee44ace0713b91172e3fa74a9eda5d3b674700eed397342bad0de31ec8"}, 0x97) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) link(&(0x7f0000b71ff8)='./file1\x00', &(0x7f0000f16000)='./file0\x00') 2018/02/23 16:04:50 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x38, &(0x7f0000188000), 0x0) 2018/02/23 16:04:50 executing program 7: socketpair(0x1, 0x6, 0xfffffffffffffffe, &(0x7f0000000000)={0x0, 0x0}) recvmsg(r1, &(0x7f0000000140)={&(0x7f0000000040)=@alg, 0x58, &(0x7f0000000100)=[{&(0x7f00000000c0)=""/62, 0x3e}], 0x1, 0x0, 0x0, 0x6}, 0x40) ioctl$GIO_CMAP(r1, 0x4b70, &(0x7f0000000180)) getsockopt$inet6_udp_int(r0, 0x11, 0x64, &(0x7f00000001c0), &(0x7f0000000200)=0x4) getsockopt$llc_int(r0, 0x10c, 0xb, &(0x7f0000000180), &(0x7f00000001c0)=0x4) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000dfb000)='/proc/self/net/pfkey\x00', 0x0, 0x0) r3 = syz_open_dev$sg(&(0x7f0000afa000)='/dev/sg#\x00', 0x0, 0x1) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r3, 0x84, 0xf, &(0x7f0000000180)={0x0, @in={{0x2, 0x1, @empty}}, 0x0, 0x3, 0x6, 0x80000000, 0x80000000}, &(0x7f0000000240)=0xa0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000280)={r4, 0xfffffffffffffffe}, &(0x7f00000002c0)=0x8) sendfile(r3, r2, &(0x7f0000979ff8), 0xff) 2018/02/23 16:04:50 executing program 7: seccomp(0x1, 0x0, &(0x7f00008c1ff0)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) epoll_create(0x0) r0 = memfd_create(&(0x7f0000000040)='o\x00', 0x2) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000080)) 2018/02/23 16:04:50 executing program 5: clone(0x200, &(0x7f0000f8bffd), &(0x7f0000744000), &(0x7f0000f8b000), &(0x7f0000804000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000a7bfc8)=[], &(0x7f00006fcff0)=[]) r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f000000d000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = open(&(0x7f0000d66ff8)='./file0\x00', 0x0, 0x0) ioctl$int_in(r1, 0x5452, &(0x7f0000008ff8)=0x3f) execve(&(0x7f00003efff8)='./file0\x00', &(0x7f0000a7bff8)=[], &(0x7f0000c6e000)=[]) fcntl$setown(r1, 0x8, r0) tgkill(r0, r0, 0xb) listen$netrom(r3, 0x7f) r4 = syz_open_procfs(0x0, &(0x7f000060c000)='oom_score_adj\x00') r5 = syz_open_procfs(0x0, &(0x7f0000256ff8)='syscall\x00') getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r4, 0x84, 0x8, &(0x7f0000000000), &(0x7f0000000040)=0x4) sendfile(r4, r5, &(0x7f0000bc8000), 0x9) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x16) open(&(0x7f00000ed000)='./file0\x00', 0x401, 0x0) 2018/02/23 16:04:50 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='map_files\x00') unlinkat(r0, &(0x7f0000000000)='./file0\x00', 0x200) llistxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=""/70, 0x7d) preadv(r0, &(0x7f0000000580)=[{&(0x7f0000000500)=""/83, 0x53}], 0x1, 0x0) getsockname$packet(r0, &(0x7f0000002080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000020c0)=0x14) setsockopt$inet6_mreq(r0, 0x29, 0x1f, &(0x7f0000002100)={@dev={0xfe, 0x80, [], 0x0, 0x13}, r1}, 0x14) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/load\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f00000000c0)=0x40, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000100)={0x0, 0x7d, "8a253b7acd3b7cfef5b8d29512762a5e49513e551eb7d1f4be49cca8b3dcc8fa53cd3341aa3953f9f07e0f32b4aa74aec98c6a25ac9a2fdfdced0605de01ed125131886d86a2ea44f6a5c31fa3473a3d64dd521415209b9568372e0f5152c52dc4d7810d0c3b17095b66dc5b82d2adda5f5e91aebc0178820864ba0661"}, &(0x7f00000001c0)=0x85) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f0000000200)={r3, 0xa4cb, 0xb7, "50a91fd3f90ca27e8696808f658ee9b16767033a8a2c8b2e749600c1b8436a55e1c75fe6e9d5825df4760490df1e3f41fa397b0eec17bfbad9a4278eb3a5f4ae6eb0571a473fb56ea4ffb4e325b5238a0f52f150f500513e95282cf5cc2e03854cda0dc6b1d77705e7a9679f4a1d221b59a075e5e84fbd634bf2c63f88d309125e78bf12c9ea6960d8f68e8f721d06f2ce6d2ad7407e5799b1b84789f83c2ca7137e179d2bbc6eb1ed3807fd1e7d0c6917c6e44f20fcf8"}, 0xbf) unlink(&(0x7f00000000c0)='./file0/file0\x00') r4 = fcntl$dupfd(r2, 0x406, r2) ioctl$DRM_IOCTL_AUTH_MAGIC(r4, 0x40046411, &(0x7f0000000100)=0x3ff) 2018/02/23 16:04:50 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GET_STATS(r1, 0x80f86406, &(0x7f0000000040)=""/87) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0x38a) getsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 2018/02/23 16:04:50 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = socket(0x2, 0x6, 0x7ff) setsockopt$netlink_NETLINK_NO_ENOBUFS(r1, 0x10e, 0x5, &(0x7f0000000040)=0x8, 0x4) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:50 executing program 7: futex(&(0x7f000000cffc), 0x100080000000000b, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x4, 0xb, 0x4, &(0x7f0000fd9ff0)={0x100}, &(0x7f0000048ffc), 0x0) syz_extract_tcp_res(&(0x7f0000000000), 0x8b, 0x7fffffff) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f000000d000)={0x0, 0x7f}, &(0x7f0000048000), 0x0) 2018/02/23 16:04:50 executing program 2: bind$inet6(0xffffffffffffffff, &(0x7f0000fa8fe4)={0xa, 0xffffffffffffffff, 0x0, @empty}, 0x1c) mincore(&(0x7f0000ffb000/0x3000)=nil, 0x3000, &(0x7f0000000000)) 2018/02/23 16:04:51 executing program 3: unlink(&(0x7f0000000000)='./file0\x00') capset(&(0x7f0000000000)={0x19980330}, &(0x7f000006b000)) r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00007dd000)={0x0}, &(0x7f0000360000)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000031ff8)={0x0, 0x0}) process_vm_writev(r2, &(0x7f000073b000)=[{&(0x7f0000af4000)=""/8, 0x8}], 0x1, &(0x7f0000c29fe0)=[{&(0x7f0000090000)=""/24, 0x18}], 0x1, 0x0) 2018/02/23 16:04:51 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {}, 0x0, 0x0, 0x20}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:51 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f000000fff4)='net/rt_acct\x00') getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x68, &(0x7f0000000000)=[@in6={0xa, 0x3, 0xff, @loopback={0x0, 0x1}, 0x2d}, @in6={0xa, 0x3, 0x7ff, @mcast1={0xff, 0x1, [], 0x1}}, @in={0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, @in={0x2, 0x2, @multicast1=0xe0000001}, @in={0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}]}, &(0x7f00000000c0)=0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000100)={r1, 0x1d91, 0x30}, 0xc) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f000000bff4)={0x5}) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r0, &(0x7f000000f000)) poll(&(0x7f0000010000)=[{r2}], 0x1, 0x0) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x40000, 0x100) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000040)={{0x2, 0x3, @local={0xac, 0x14, 0x0, 0xaa}}, {0x1, @empty}, 0x0, {0x2, 0x0, @multicast2=0xe0000002}, @common='ip6gretap0\x00'}) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x6) 2018/02/23 16:04:51 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x1) accept4$netrom(r1, &(0x7f0000000080)=@full, &(0x7f0000000100)=0x48, 0x800) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) prctl$setendian(0x14, 0x2) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) bind$inet(r2, &(0x7f0000000040)={0x2, 0x2, @rand_addr=0x4}, 0x10) 2018/02/23 16:04:51 executing program 5: r0 = socket$inet6(0xa, 0x802, 0x0) bind$inet6(r0, &(0x7f0000e55000)={0xa, 0xffffffffffffffff, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x1}, 0x1c) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x100000d, 0x32, 0xffffffffffffffff, 0x0) poll(&(0x7f0000001fef)=[{0xffffffffffffffff}, {0xffffffffffffffff, 0x4011}], 0x2, 0x0) bind$inet6(r0, &(0x7f0000001ff2)={0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}, 0x18) getegid() 2018/02/23 16:04:51 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000000, 0x2010, r0, 0xd) 2018/02/23 16:04:51 executing program 5: seccomp(0x200000000000001, 0x0, &(0x7f00000000c0)={0x0, &(0x7f0000000040)=[]}) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) connect$netlink(r0, &(0x7f0000000000)=@proc={0x10}, 0xc) 2018/02/23 16:04:51 executing program 3: r0 = socket$inet6(0xa, 0x0, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x800, 0x0) ioctl$TIOCGWINSZ(r1, 0x5413, &(0x7f0000000040)) r2 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x3fffe) fdatasync(r2) accept4$netrom(r2, &(0x7f0000000040)=@ax25, &(0x7f0000000080)=0x10, 0x80000) setsockopt$inet_int(r0, 0x0, 0xf, &(0x7f0000d10ffc)=0x7, 0x4) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000000)={0x20, 0x7, 0x1, 0x1, 0x4, 0x4, 0x6, 0x1, 0x1, 0x9, 0x10000}, 0xb) bind$inet6(r0, &(0x7f0000876000)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}}, 0x1c) 2018/02/23 16:04:51 executing program 2: mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x1b071, 0xffffffffffffffff, 0x0) r0 = dup3(0xffffffffffffff9c, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0xad, "0876a769d064a1782fc2ca53a527fe6bed58e2e3d4ccacd384293a8a10c79271916e774172082e77301874cce18f5c15d4fa34a0c5c76fdef21c043cb5ced41470093313bcabfbbe385764d4c7200bd4159cd93ebb337e4d7c8a1b0481bd75b01fb872b086569e757cb9b926351c811b69e686b6cfed462158b30c4c23f58fc7f22769dfe6b33e11058bdbb4690c8716d407566e960e9c2fbcd3718165d746af2dc4823a78aef4c6063e6d7074"}, &(0x7f00000000c0)=0xb5) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000100)={r1, 0x100000000, 0x4, [0x401, 0xc5, 0x4, 0x7]}, &(0x7f0000000140)=0x10) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000100)) mincore(&(0x7f0000004000/0x3000)=nil, 0x3000, &(0x7f000000ff5a)=""/166) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000000c0)={0xa, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000140)=0xffffffffffffffbd) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000180)={r2, 0x2, 0x40005, 0x1, 0x6, 0x7}, &(0x7f0000000180)=0x14) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000040)) 2018/02/23 16:04:51 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x100, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x0, @empty}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) renameat(r1, &(0x7f0000000000)='./file0\x00', r1, &(0x7f0000000040)='./file0\x00') setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000000)=[@in={0x2, 0x3, @empty}, @in={0x2, 0x1, @rand_addr=0x9}, @in6={0xa, 0x0, 0x6, @loopback={0x0, 0x1}, 0x6}, @in={0x2, 0x0, @local={0xac, 0x14, 0x0, 0xaa}}], 0x4c) recvfrom$inet(r0, &(0x7f0000eeff8d)=""/115, 0x73, 0x12041, &(0x7f0000898ff0)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) ioctl$sock_netrom_SIOCGSTAMP(r1, 0x8906, &(0x7f0000bf2000)) connect(r0, &(0x7f0000000000)=@ethernet={0x1, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x10) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8906, &(0x7f0000000200)) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:51 executing program 5: creat(&(0x7f0000ab5ff8)='./file0\x00', 0x0) capset(&(0x7f00000fc000)={0x19980330}, &(0x7f0000244000)) setxattr(&(0x7f0000ef9000)='./file0\x00', &(0x7f0000117000)=@known='com.apple.system.Security\x00', &(0x7f0000306000)='/dev/sequencer2\x00', 0x10, 0x0) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) 2018/02/23 16:04:51 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) fchmod(r0, 0x2) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) clone(0x40000, &(0x7f0000001000)="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", &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)="7dc0f3e23e4c5f66b5558f39fd1734fdc8ce770de9b6fd118e97c6fb195d29f41e7d4bcd5069676ad544fbdab37da11471c7c84ca3a87b471b3f39990e5a6b4ce75253") mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000140)={&(0x7f0000d44000/0x2000)=nil, 0x2000}) r1 = getuid() stat(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) chown(&(0x7f0000000180)='./file0\x00', r1, r2) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000040)=0x562a32c1, 0x4) r3 = accept$inet6(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x0, @mcast1}, &(0x7f0000000080)=0x1c) setsockopt$inet_sctp6_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f00000000c0)=0x5, 0x4) getsockopt$inet_mreqn(r3, 0x0, 0x27, &(0x7f0000000100)={@rand_addr, @empty}, &(0x7f0000000140)=0xc) 2018/02/23 16:04:51 executing program 2: mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x1b071, 0xffffffffffffffff, 0x0) r0 = dup3(0xffffffffffffff9c, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0xad, "0876a769d064a1782fc2ca53a527fe6bed58e2e3d4ccacd384293a8a10c79271916e774172082e77301874cce18f5c15d4fa34a0c5c76fdef21c043cb5ced41470093313bcabfbbe385764d4c7200bd4159cd93ebb337e4d7c8a1b0481bd75b01fb872b086569e757cb9b926351c811b69e686b6cfed462158b30c4c23f58fc7f22769dfe6b33e11058bdbb4690c8716d407566e960e9c2fbcd3718165d746af2dc4823a78aef4c6063e6d7074"}, &(0x7f00000000c0)=0xb5) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000100)={r1, 0x100000000, 0x4, [0x401, 0xc5, 0x4, 0x7]}, &(0x7f0000000140)=0x10) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000100)) mincore(&(0x7f0000004000/0x3000)=nil, 0x3000, &(0x7f000000ff5a)=""/166) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000000c0)={0xa, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000140)=0xffffffffffffffbd) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000180)={r2, 0x2, 0x40005, 0x1, 0x6, 0x7}, &(0x7f0000000180)=0x14) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000040)) 2018/02/23 16:04:51 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x1) accept4$netrom(r1, &(0x7f0000000080)=@full, &(0x7f0000000100)=0x48, 0x800) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x80) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffff9c, 0x84, 0x7c, &(0x7f0000000040)={0x0, 0x10000, 0x13}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000000c0)={r2, 0x8}, &(0x7f0000000100)=0x8) 2018/02/23 16:04:51 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') getsockname(r0, &(0x7f0000000000)=@l2, &(0x7f0000000040)=0xe) ioctl$SIOCGIFHWADDR(r0, 0x8927, &(0x7f0000000080)={@syzn, @ifru_addrs=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}}) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) bind$ax25(r0, &(0x7f0000000080)={0x3, {"9929fbfe266108"}, 0x9}, 0x10) 2018/02/23 16:04:51 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000f97000)={@multicast1=0xe0000001, @local={0xac, 0x14, 0x0, 0xaa}}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000498ff4)={@multicast1=0xe0000001, @remote={0xac, 0x14, 0x0, 0xbb}, @multicast1=0xe0000001}, 0xc) flock(r0, 0x9) r1 = syz_open_procfs(0x0, &(0x7f0000272000)='net/mcfilter\x00') readv(r1, &(0x7f0000054fe0)=[{&(0x7f0000706fb1)=""/79, 0x4f}, {&(0x7f0000688000)=""/82, 0x52}], 0x2) 2018/02/23 16:04:51 executing program 2: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00001c1000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000935000)={{0xffffffffffffff94}, {}, 0xfffffffffffffffd}) ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000000000)=0x4) 2018/02/23 16:04:51 executing program 5: seccomp(0x1, 0x0, &(0x7f00001a1634)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) seccomp(0x0, 0x1, &(0x7f0000000080)={0x2, &(0x7f0000000040)=[{0x1, 0x4, 0x1, 0x4}, {0x6f5, 0x7, 0x8, 0x9}]}) r0 = syz_open_dev$random(&(0x7f0000000040)='/dev/random\x00', 0x0, 0x0) fremovexattr(r0, &(0x7f00000000c0)=@known='system.posix_acl_default\x00') 2018/02/23 16:04:51 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000a9e000)='limits\x00') preadv(r0, &(0x7f0000012ff0)=[{&(0x7f0000011fc2)=""/62, 0x3e}], 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000000)="4050c5a62dc7fe2323e369558ffe65c8024d4210be111358ed4bfd40673ab59397785440e8a91e39c655ec8788a917cd10e8d6da3870191f69cb6481546840bd2c9c97f8947b3b892ba63d4860545dcb33156d36a580c135241019314ae95503f15894a04cc4b1c58fec03754df6940904ef0f9e2928565a6354d8809bfa143a12", 0x81) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f00000000c0)) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r0, 0x40485404, &(0x7f0000000000)={{0x1, 0x2, 0x400, 0x1, 0x81}, 0x2, 0x81}) 2018/02/23 16:04:51 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f00000f8000)='attr/prev\x00') lremovexattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@known='system.advise\x00') ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000d22000)=0x0) r2 = syz_open_procfs(r1, &(0x7f00006ad000)='attr/sockcreate\x00') sendfile(r2, r0, &(0x7f0000bae000), 0x400000ff) ioctl$TUNSETPERSIST(r2, 0x400454cb, &(0x7f0000000000)=0x400) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) 2018/02/23 16:04:51 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000f55ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$PIO_UNISCRNMAP(r0, 0x4b6a, &(0x7f0000000000)="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") ioctl$TCXONC(r0, 0x540a, 0x1) 2018/02/23 16:04:51 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = dup(r0) ioctl$TUNGETIFF(r1, 0x800454d2, &(0x7f0000000000)=0x81) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000000040)={{0x8, 0xb44}, 'port1\x00', 0x40, 0x400, 0x1ff, 0x5, 0x0, 0x8, 0x0, 0x0, 0x1, 0xccca}) getsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/02/23 16:04:51 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00009b6ff9)='ns/mnt\x00') setns(r0, 0xc000000) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x4, 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x80f, 0x206000) getpid() ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:51 executing program 2: capset(&(0x7f0000fc1ff8)={0x4000019980330}, &(0x7f0000001fe8)={0x0, 0xfffffffffff7ffff}) r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f000058dff4)={0x0, 0x0}, &(0x7f00008cc000)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000e06000)={0x0, 0x0}) r4 = dup2(r0, r0) getsockopt$inet_IP_IPSEC_POLICY(r4, 0x0, 0x10, &(0x7f0000000040)={{{@in=@broadcast, @in=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@mcast1}}, &(0x7f0000000140)=0xe8) accept4$packet(r4, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000001c0)=0x14, 0x80800) getpeername$packet(r4, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000240)=0x14) getsockopt$inet6_mreq(r4, 0x29, 0x14, &(0x7f0000000280)={@remote, 0x0}, &(0x7f00000002c0)=0x14) getsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f0000000340)={{{@in=@multicast2, @in6=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in6=@mcast2}}, &(0x7f0000000440)=0xe8) getpeername$packet(r4, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f00000004c0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r4, 0x0, 0x10, &(0x7f0000000500)={{{@in6=@mcast1, @in=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@ipv4={[], [], @dev}}}, &(0x7f0000000600)=0xe8) sendmsg$nl_route(r4, &(0x7f0000000700)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)=@ipv4_newroute={0x80, 0x18, 0x0, 0x6, 0x2, {0x2, 0x0, 0x0, 0xaec3, 0xff, 0x6, 0x0, 0x3, 0x600}, [@RTA_GATEWAY={0x8, 0x5, @empty}, @RTA_IIF={0x8, 0x1, r5}, @RTA_MARK={0x8, 0x10, 0x1}, @RTA_MULTIPATH={0x34, 0x9, [{0x7, 0x1, 0x7, r6}, {0x4, 0x9baa, 0xb6, r7}, {0x3ff, 0x8, 0x1, r8}, {0x5e17, 0x1, 0x1000, r9}, {0x0, 0x1, 0x5, r10}, {0x7f, 0x7, 0x0, r11}]}, @RTA_MARK={0x8, 0x10, 0x9}, @RTA_PREFSRC={0x8, 0x7, @dev={0xac, 0x14, 0x0, 0x12}}, @RTA_UID={0x8, 0x19, r2}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x14) ioctl$EVIOCSREP(r4, 0x40084503, &(0x7f0000000000)=[0x7fff, 0x2]) sched_setaffinity(r3, 0x8, &(0x7f00002c5000)) 2018/02/23 16:04:51 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00009b6ff9)='ns/mnt\x00') setns(r0, 0xc000000) 2018/02/23 16:04:51 executing program 2: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = dup(r0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0x10000}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x2, 0x30, 0x2e, 0x1}, &(0x7f0000000100)=0x18) modify_ldt$write2(0x11, &(0x7f0000000000)={0xfff, 0x100000, 0x3000, 0x5, 0x3ff, 0x1ff, 0x3ff, 0x7, 0x3, 0xd20d}, 0x10) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000000)={r2, 0x4}, &(0x7f00000000c0)=0x324) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000100)={r3, 0x5}, 0x8) sendmsg$nl_xfrm(r0, &(0x7f000062bfc8)={&(0x7f0000315ff5)={0x10}, 0xc, &(0x7f0000bea000)={&(0x7f00005acf34)=@getpolicy={0x50, 0x15, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@multicast2=0xe0000002, @in=@local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x4}, []}, 0x50}, 0x1}, 0x0) 2018/02/23 16:04:51 executing program 7: getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f00007ce000)={{{@in6=@local, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000f67ffc)=0xe8) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x2000, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000040)={0x100000000, 0x0, 0x10000, 0x8001}) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f00000000c0)={0x7, &(0x7f0000000080)=[{}, {}, {}, {}, {}, {}, {}]}) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000080)={0x2, r2, 0x0, 0x1ff}) ioprio_set$uid(0x3, r0, 0x0) 2018/02/23 16:04:51 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) r1 = fanotify_init(0x23, 0x101800) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000080)={0xc1, @time={r2, r3+10000000}, 0x802, {0x4, 0x6d}, 0x100006, 0x0, 0x20000}) r4 = fcntl$dupfd(r0, 0x40a, r0) lseek(r1, 0x4000000000000000, 0xffffffffffffffff) write$selinux_context(r4, &(0x7f0000000000)='system_u:object_r:ipmi_device_t:s0\x00', 0x23) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x0, {}, 0xfffffffffffffffe}) r5 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$EVIOCGSND(r5, 0x8040451a, &(0x7f0000000180)=""/167) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000280)={0x0, 0x0}, &(0x7f00000002c0)=0xc) fcntl$getownex(r4, 0x10, &(0x7f0000000300)={0x0, 0x0}) lstat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet_IP_IPSEC_POLICY(r4, 0x0, 0x10, &(0x7f00000018c0)={{{@in6=@empty, @in6=@dev, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@multicast1}}, &(0x7f00000019c0)=0xe8) r10 = fcntl$getown(r0, 0x9) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000003240)={0x0}, &(0x7f0000003280)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f00000032c0)={{{@in6=@mcast2, @in6=@dev, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in6=@dev}}, &(0x7f00000033c0)=0xe8) r13 = getgid() ioctl$sock_FIOGETOWN(r5, 0x8903, &(0x7f0000003400)=0x0) stat(&(0x7f0000003440)='./file0\x00', &(0x7f0000003480)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000003500)={0x0, 0x0, 0x0}, &(0x7f0000003540)=0xc) sendmsg$netlink(r4, &(0x7f0000003640)={&(0x7f0000000240)=@kern={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000003200)=[{&(0x7f0000000400)={0x14a0, 0x3d, 0x200, 0x7, 0x1, "", [@nested={0x119c, 0x57, [@generic="8d58cd9c2f9388e47b0c644cf312d2e8bc79e91b7763175fa61f61e17486595596d1c51cf8748260c283bba4f64dc5c4f501cb18e4a86c68099db4e365014f3dcc6a641b49274dd8207872a3d91980b1fdd21183827b1fe25a65f7ac220bb2f36f56f9a133afd41cca882fa19f13e5b0a03b66001e515a5c54f91350bc7dd75a2f8374c253c4d5aa5eefd3803ffb43e8a016a8ced0002fa002ffad7ec82821afcd3c9c6c3a657b5b7aa8838aba54b24a59c346a5376e9a4795cc8ce5ccedca9fae0b1e7b5fcb381e2db1ab3cf96b69e26e9ecdc3cbbc49615436e3e6408ddbc1f83ed18dfe18b6a8da92d5ec2bfc099c8c", @generic="0dcd852154dec2894a07864a3294", @generic="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@typed={0x8, 0x86}]}]}, 0x17d8}], 0x2, &(0x7f0000003580)=[@cred={0x20, 0x1, 0x2, r11, r12, r13}, @rights={0x28, 0x1, 0x1, [r0, r1, r0, r5, r1, r1]}, @rights={0x20, 0x1, 0x1, [r0, r5, r4, r4]}, @cred={0x20, 0x1, 0x2, r14, r15, r16}, @rights={0x20, 0x1, 0x1, [r5, r0, r1]}], 0xa8, 0xc800}, 0x4000) 2018/02/23 16:04:51 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x20200, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) dup2(r0, r0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = dup(r0) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r1, 0x118, 0x1, &(0x7f0000000000)=0x2, 0x4) 2018/02/23 16:04:51 executing program 5: clone(0x0, &(0x7f0000002fd8), &(0x7f0000001000), &(0x7f0000f8b000), &(0x7f0000000000)) r0 = epoll_create1(0x0) r1 = dup(r0) setsockopt$ax25_buf(r1, 0x101, 0x16, &(0x7f0000000000)="ac5ac07ae974916c4f4d001744e068cffb8e78e04282840494a390677dea0929d8be57dc0799fae5ac74e3e552e5c68c82f3f7401fce7d32b3d076f5737f65231233322056688691e2513e804c625f0ef5d561fef9bcff5181531621718f5c915668b03db210a9928e856af85ebaee7bf62302c999d851b26f4669281082e1d9d7d5f25fa6701b2c1e215b0a99fadb6e563a766e88565ba29c5e", 0xffffffffffffff9d) 2018/02/23 16:04:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x1, 0x3ff, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x2}], 0x1c) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) ioctl$VT_DISALLOCATE(r0, 0x5608) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$KDSKBMODE(r0, 0x4b45, &(0x7f0000000040)=0x8000) ioctl$KDGKBLED(r0, 0x4b64, &(0x7f0000000080)) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:51 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) r2 = dup3(r1, r0, 0x0) bind$netlink(r2, &(0x7f0000a94000)={0x0, 0x0, 0x0}, 0xfffffc1a) 2018/02/23 16:04:51 executing program 7: mkdir(&(0x7f0000109282)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000216000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x50, &(0x7f0000ffb000)) socketpair(0x3, 0x800, 0x101, &(0x7f0000000000)={0x0, 0x0}) openat(r0, &(0x7f0000000040)='./file0\x00', 0x40, 0x46) statfs(&(0x7f0000131ff8)='./file0\x00', &(0x7f0000399fef)=""/17) 2018/02/23 16:04:51 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f000074b000)='cgroup\x00') sendfile(0xffffffffffffffff, r0, &(0x7f0000c97000), 0xfffffffffffffffe) getsockopt$inet6_int(r0, 0x29, 0x11, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/02/23 16:04:51 executing program 5: mmap(&(0x7f0000000000/0xb000)=nil, 0xb000, 0x5, 0x4031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000001000/0x2000)=nil, 0x2000, 0xa) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x20200, 0x0) clone(0x0, &(0x7f0000012000), &(0x7f0000bc3000), &(0x7f0000000000), &(0x7f0000438fff)) r0 = dup(0xffffffffffffffff) r1 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffff9c, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) 2018/02/23 16:04:51 executing program 2: clone(0x200, &(0x7f0000fbf000), &(0x7f0000744000), &(0x7f0000000000), &(0x7f00000d5000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000a7bfc8)=[], &(0x7f00006fcff0)=[]) r0 = syz_open_procfs(0x0, &(0x7f000042cff4)='personality\x00') setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x408, 0x4) read$eventfd(r0, &(0x7f0000000000), 0x8) read(r0, &(0x7f0000000040)=""/198, 0xc6) open$dir(&(0x7f000050bff8)='./file0\x00', 0x26102, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0}, &(0x7f0000000180)=0xc) ptrace$setsig(0x4203, r1, 0x3, &(0x7f00000001c0)={0x3e, 0x5, 0x5f25, 0x81}) 2018/02/23 16:04:51 executing program 3: r0 = userfaultfd(0x80000) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140)='/dev/hwrng\x00', 0x0, 0x0) accept4$netrom(r1, &(0x7f0000000180)=@ax25, &(0x7f00000001c0)=0x10, 0x800) fcntl$getown(r0, 0x9) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000000)={0x1, 0xa, [@empty, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x12}, @random="05a2b155c9aa", @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}, @random="23ee9cd72318", @dev={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0x10}, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}]}) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f000066a000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000ffb000/0x3000)=nil, 0x3000}, 0x3}) mlockall(0x3) 2018/02/23 16:04:51 executing program 5: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x0, 0x1) ioperm(0x0, 0x4, 0x0) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x0, 0x0) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000080)) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = accept4$inet6(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @ipv4={[], [], @remote}}, &(0x7f0000000040)=0x1c, 0x80000) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg(r1, &(0x7f0000001480)={&(0x7f0000000080)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x3, 0x2, 0x4, 0x3, {0xa, 0x2, 0x100000001, @mcast1={0xff, 0x1, [], 0x1}, 0xfffffffffffffff8}}}, 0x32, &(0x7f00000013c0)=[{&(0x7f00000000c0)="134ff07e9286538701b7160f8572161411058633c7e1a0b47c283cad0913feb7b707ade7262054acd83912fdec2e458da4e2362f40390e47ead692d577a123124da54441ec4ab2ac52ef75681055bcb2b0f5ca616e4566a0599d24a6e0ad8ecab8c3f9c92b73c48f843125dd8a040a59ba2e16d5c0742da553bf74acf6dcb7276a681d610c771a8d759dac40d7e62e4b1a41d8139d8ecf2558e4ba5c1fe93c6b8839ecd6b08094df62a8998a", 0xac}, {&(0x7f0000000180)="f837b2c65635eae18a85ac2df50201020fe5f9821e5552c8f225c42563c0ec408761bc6ddfe188a7b1e0c862e5522a2beb4f21be0e4d28ca80fee15e4b877bb73c44662a2f75824ef5269f349ac37ae0d109441c93f67bfe2b3b8f5cdb49808e28a54a782c45275bc8f0b7769969096de27e7ab53a8f40351126be2068c55b2ac8c78357e552fd50edd159ccba5120a8551c4bcc8682864224e784411bd1da9f01eff9", 0xa3}, {&(0x7f0000000240)="6423f169666b9d4023a8211a864136cfbd09459da7f5e6b3dcb1048c80e93a6c7f5b110d892d38eb573ddbc6149fa2e8f0f01b54fa4796feae4f005196609634b8417e99689c2f97841ffafa30643be1b3943c95ba43c220f5702e8ce96c3cd4bf1c4b73da4b81e805743746dba8808d009af5066d8a", 0x76}, {&(0x7f00000002c0)="33b54c87ff6b22572495c33bd5dd9a444f8046439ffa7bd136cf345c1f1e088ca196ea883a0b", 0x26}, {&(0x7f0000000300)="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", 0x1000}, {&(0x7f0000001300)="b868e62b67042173de7538a297627523469d574e319267b49f3907d725fadab062a401cca05e858c8236bca59c67dbecc7ecf5634c9fb0dbd196231da1ee1fbb3a53a86bf971c3ef9e512d7f8bda579954ec46a5ec66e8ffc72bb48a311b027b9bc3ed38a9e7efbf", 0x68}, {&(0x7f0000001380)="4ebfad3bab9d368187926b4748f013ca9b849e8f8117a910fbfd82a801", 0x1d}], 0x7, &(0x7f0000001440)=[{0x10, 0x13f, 0x1}], 0x10}, 0x8000) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:51 executing program 7: mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x1000001, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x814000)=nil, 0x814000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000005000)={0xffffffffffffffff, 0xffffffffffffffff}) timer_create(0x7, &(0x7f0000001100)={0x0, 0xe, 0x6, @thr={&(0x7f0000000000)="b468e97284a9a0a36d43da86144de95ed1b9058fa6562f7751d8191a39ff51bdd6b57fdbab3e050420688c0b2b91a38ea8d9b7e67b7015002d4ba97c125b820dc9460bb3eaeac89691d50146827100defcfb803aa10a787652b7ec89cd39ede36795cfb298f5393b061d38d8b9845e920c52e5a5e44eeb7efdaa8598c6cc64c721b991f65676671c20ea973ce7f44f877713743992e700169fc4e7cc21a633428924ad5797c5e26ddcf84e0386da6e4de55607def97ffd0d371e94fdf735cd119b141bc0535563ec01cfba0e245510ef773844", &(0x7f0000000100)="c9b7ce32932ebcc86381ed705fdedf531b56fae60e4e5151372f837ef4e26bdf5467eb4a920d258ecc225563b490fe15efb4e1909c888816971ca113f4dbbcefe2e45f30e43bb7237e6fea9b3c257fba72d49f721287ef13db128b7d0279cd0a7f2b03fbf89608cb3265cd13f7d2734b1f8dec3636d3f15bbe5ee99ab4b28fc401902fdf1a83c435fbb22b1a0b0fb2f1937cd45ece79acaaa98c4087aed6a8e90c6b7127244bd9c6c4eb5d9253437f79a5631b025e17c408c7678d8538028b743a61a63564f7862dfeb7bbfe331b6c1bf831fd09ae352bf6f2a6ad55e16346adb0b44062d8c1823e08e3e3bf04cc59d683dd8818366baf0b83e2e9b4cf41e6b8bd0020aa5747237c119d14025011561b2fee54b0f83c7d2052013cf3157da746f350868faa906d74e621fee3011e5471af583cad52ffdbebed2379ae4a292d8f5fbfb868604561a17504c349825eadf00d633ab1a6fdc5c3bda0cec372d13880f230ae87db57e796778c8c91018e3d424a8c2ae888e31bc7f9b0a1e05417f387551d05f4c9fde074e29213528426363965a5fd73baa098111f5a84e5209ab509200bcdad77e8b3acfc6663f6068981e7ee108bdab430776b6a5294374939bef08ea69067abdb29208ad531d490ecec763cd1f37c36aa79f72dddb3b77e6ebc76936f83b5f5380265e3d60e422594fb3ce6ebba5d9ab17a069c9bf035a5a9b1a8c201da329ece327b6f4a03a246c5985c20da200a41932f18cb9914287689a33e1b468d1898c55e2454958a60a06d146c28602d7eddae1747e2330755eadf18d36ebd8f5b424ff710b9febf8dca0b7d82f34bc088236e6ab7b2657cfc8e975676a8dc96cee063c52945aa102da2512453d7ec16bdd52da91fc5fa0a81746c6d91a935d7bcf5ad72e8e94f145671522de23b36aea17c5213779084a5082d4115191dc4d6e2ae71c316810af6c10ba05528dec07de03467fb8ebe87e46670d4930012f10b8370bdfba9d137668c09bd85de7e7bdcc73b9c36e87f746fe58720b1ee066cb00d00fae075aa59f7bec6315f50f368cd522ea2e3acf2245ebc18cd7e08a75713dea974783ff2fa2d43792522560bdd03384a63d6fae3fdcf3ca5d13ad2bec7108502c8c02ed087974844e3a49c6f194f3c4dc3bb51ca01eb6cc3e61ac42068c3054060ec1f2bc6f30c2244b69bb0f7d6c5c6f15a7af2a2b38ecfb1c33b8313f618d047eb7c55c667cc0ee5b28664fc8c8f0a5d83182a819d26ab499718a45e7cc14e42a18f41c4dd0ca0c8de1ce9e5e229bcd1995f0c62fe5e7f9ee28ca2f49f0fe7def3897b54cd2866da32227c57767cdf743481b64fce6893432047588c4759381cfd721a4b19e6f5ad16de8d3dda93678c84f5597318baa4fc44dbfb8370a6c41b11197a92c6f40bbe59169304e06aad980c00cf2f3e17597c3b805bc015453ae14edf12561a65469ab46c183231c70e20e0e2928731777d3815b1fc9c45ae14748361cf14d16028924877a4b243472f7bbfee0b833e16b70059380cf2ce457450299f27d9431000bf2301b0dac55eb6ba6789ba1bfc98b5d3ed799c8a2a7493f96dcac4f645f954670ee316a31d37acff5fb6156aeede56b123ceccf21524546882d7aeb5e23e93c0b5c078d1dd5970658984c3481ac8ecb89b4cda78402479b3e1535ecbf0c96afd21d5d7637dc37e5295a5eef8515bbfbd50dbfe132656dfa59e792cc77d70bab797f7346f491c86e13bc36c25cc8d53623fbf1364fad040da756e446ec9890dd1df8012aa25edf8d792a29d209bf33621d776db69e68edc71ae8d0ac5f14ab7aea41940d8a14aac36700d67f7bc8b39da9bc75e24b5a2850acab119f8143a350216932dd963804b4b5c02d53ffa5880da804fe354bf434210f16a480242054816514da0d944fde758fc1bc385965cde7fc7ca59c4b96ed22efa5983e85f75bdd82af957a0c374d86af450c89433eacb8e3acdaa262820ff6d2d2f3eadb232c1fb4e92e71c2e63e80fb94dd89921a625ae85d6283cd71dba5c85b54bb6543c0da2544c43b03e0716d42dd4f5115abf7a2d39a4e9cd7b4d0a69cfea6c55c45f407243b4d88ba230b463bdc8fbcaed28ba52cf3c56b031975e27717c884a316d56317f28a5f68eb6a1d93a81d043cd4927f05e8275b2b90dcbec610df66b4801cd694354ce52e6c60210f365ddd82e848ed8f6fda68731d966aaa98b5880ddb1384fb8280438b71d2f09ff242432b2b8377add12179d7f279b5c64d7959b340516d9f11453c3bf6ddb4e10c09986199c818497ad0db61f7fdf35370f71deebddf692ebe0fd8b8cc88fb3108ce1b460dcadd28a26959c4fd8e85bcbc36599f45c7c1305de7fee6e589bbf5b38b37dc469331b335a85b561a3b312afe1261ca9226648af35b1ee9a8dd821e540d0474e0a10fa1cf0d76d24d101839ff2cb3b0bae2788114f470705284c6a20e5545a341b1164400fa6edb0f699363a6b7ede0881e97012480e330aa1fde8ac34c5a2131e26f27d59a1e61b086a822c984dc10c374649c635e5f27537606191500548c608bf1d444267f4a8c56ba08a202c5a49e83c25cf2a6df0a4b8bba26d15b0250e3114770fcb8dfe08f8f7a4774492edbbc08a17faefbc3c8a78ff2dfe02f8308f6a27ed50cc7e3a529bde8adc1b868ad1d14a269ed885af00ccb550429f062e6a24b7915a4a04b32e11d25a642a84f5ef95dec466b800f91c9a23455ea1035ff27536fd63e9333e31b0688d29a33bf6820c808568d434cab348fbaf2e7367bd7888a12e1309fa6a5d6dbbd27b69292fbd0be33af373919be1fd3bf5d46787ff25d63c6156bc766f2705957a9a5e92078df5165ff7272cd5509906538313049f842e2f6e463a84e550c5fd839df7eb19de20c17a3ec109e0ee31dc975722aaa78086647fedaf03613f7fa02f4bfda5caa8077a02d21dcd09255d28286986eb1983033a0b6226db9e8803e02c1ff560e292656294a0b5c21cb5aad2312648875f37e3b0e8996fa175495664603bf56d40325cd36b421f1e640055acd2efb9f3b40e5fa94023445fb78967765edb9b20e4e0a2746fba5f83bcd05d1bd27e895c37ad270fbcd67e567f20b7f7871cf43d3765094f2712b6adf3ab0dff794ec32a559204911832768a5349937d33bea052529a6f1b8d0e10948632ed20cc5f5c1e890c6bde6e61890fe073ca5807b93a017c5ba2ea4240d5aae4c8c3c4f1b34ddb5771c11049b97cdd8d7904abb534aa30aec2eb76dfa3f7291f7329e6e3c46e3f3a23ee1bdd6a152e2eb1f0b57c8a235eb556a80f76cf34b609898ce9c014a058dae5b96bbb12790a7effbf946394e764f49a6c744c547059e63f85eb8c61e4977400b957e0ed429bdd241f2cfec9730993977e2c761e7f6217acaab7f5b1413d3449f17a18ada914c72a6bf636f21b143d9c4a84796b903504704409e4748cc02e15f51a833b475e8bb4c7029217117717f7383e0aac92bae1f720e5f68a1424cca28cf79ff490f0ff8f8a97dc94d44dfc26dd2a2ff0b8258b1fffe3c0d2c5cebc76510075d713c3c298054785f6e3510d1fea2f452661822c7b960fb7a8bc99f3f191a04e2b7414dc953050ee94ee445d63f246791ded4691d574b3da299c67a837631989e89e62868c2efc614ded9efc4606290f50fcb0102bede58ae41222848c9309653245a4dd0f1e06831ea7a8e5cffc1862e23e4e5b17061218779987e922cadaba87d956aaab3d0989844cfd7695c23396a1f7228a0e01b78421741b8a1afcfd192622e1a1964dd903f3570ce63bc3f44d357bb23a2553935fbcdd359841d756e79f472ebd07507128dad56f53947889bb38fd63133586f928db9f71aefba820d87a4e0804375b8120ebf755572976f739bf13f5f1553b5d879688895c5bcf1d4e745070aef2965ebe5bf3a9af5eebc1bbd55acf931fb3d8c50e531bff342fa706c37de1a3e3731e2babe5f4fffd40b9b204d967bfe995aa9eb1bf43d662f40a78efa841902453a8727a7bee021852f1289a7d249573adfb5bbe6b77aa6825758a9960dc24da84f59fc4e58e7d2677d54a3bdc2a6ca1d310bad1fafe1aa6e045d2dfc0ccc85fc3bc47c2a74749d498a97eb2b0f8c9d39220cdf7c3872165b09f9eaccf26d47ac47d42a77f2a71322a72cd4edc2c6a2d800deea44b31f19fa77f07c640f9b2f9b9b7284721d1d004b523ab57f82d6e43f2ddd20c7249700cec5877fdd4db88336285c29be433082c271e3f57dc65b5aeef513262292b9e49a38fa5e2d3db205c4b724fa3abc525a7e04988dea954e0f3fc7ad34a1c22bfa4796efd0233e6835b2245efd7856a1237733953997e5ed8c4c969a840d0b2968cf4e0ad43f5d8f74a81723e72ffbb6ab38c24fb301533619007147b374837655318c8c83c5d3fbc9bbb32f23f0f799795976a9bec1b8c57baea3c9d5b5dd97f0fc7c501be4fb9c09df1c2a5a81658620cec5a63c02651a13c139de5e32a4f7eadee22921c153785f8d0f46dbb96c0cd288ec0ef9a5de052c2604e6154c903b6043c8fa412f3ba3b8934042c954c3101edb80a6246159c11b90cd12ec1cf0af49adf70ab85ada3d9ab4c7c611f0ae8de323f82f96f205fe989eae6a637b66f4d042a414461387dfc0288f244896e0f67623df1c420950d0073f0ab2f2dd84307fdfec7e8d00d665b30642454a8ba70b6372d34a7fb66471c0a544a208e483466bb584bb3a2a183963445ea55a09527db0c832d9fc139e62e32a70909c7fc5c1739d1da984ba0c426f7eec56f6ee1f8965015d49d230bf15f70738040455a0faec63d9d2e18cdbf70cad916e783505cd6c0c87acada260fa256488f7464ececba571765490c01b676f5e5861760d22c68d19e16bd0f41abab32f32bb2d9324128f29d19594f7681bbd7b7ff1247e2462a2ed986cb813d605b0e99eed6269467d8e1338be92212ddfcd5755494d50919de8d445e225c7d76776bcc1a7425a62b4d8fd1dd2fc895f5d9ae072d8e266127a17776f78f218da3ab7c10769690ba60af0fe144b7051a4807b92a18f351ffa948bc20aa1fe1fd7ca94e0d3731c7f22a7ca28fa4327cd6ee7a7f8f17e605c150608dd998a28f0756318585784c7fcb34707f9b2910739c594279a5f7acb48c2204f7825ab941a080b72272c2108c90a19c0fbf12d7d0098f4d81b56358c6b06d4721009036ad77a68339348256b735e6e8cba076bdc0b31d5924c88602742056a0477b13955e4062477d0961be60983780809967521a4ffe466664e56bc252c9d6c05d390575dcce3ca513555b70206256f2f4da451a3afdfd4dd13e97ec7ff673c53b974b1074b31a10725b38be2588c6cdafd77a3894036f475f3ad50ae57453dc4fc1788ca9e8b739fc6881572a182cdd071b0a82dcc92de0803c0ce3c2bb4e6719438acca22b02148b58d9c25bf444272ccb2fcd84d628f6cb6f573bafd05cbc25891453dbc0786566364e9d740f558bce1ef9db0d0359ba77ca02ba8f3396ae706049a6819ccd3324d52585f7941f02bf6b2ac7a7fcb11c46c76bcafc47d8ca44660d3d182599a2ccd6f1a0fa16289f6cb332d8300ddac9238922ecde11f36cf83f37f6a6e150002dd14effd038907221135e3522665a364379cfa0582e879555368a5e0caf6eb9e7a52ac6d10090135e8c51d2354c9915bbfad8abcdf7221e6cbeb46c29dd5445dd45a383d9394e8b2a85a34cc7eba9ff968abc0aeb8d5965e36de7bce33f3562731114074b0e66f0f5a911ee0e"}}, &(0x7f0000001180)) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x80, 0x0) ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000040)) r3 = memfd_create(&(0x7f0000000000)='dev ', 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r2, 0x84, 0x70, &(0x7f0000000080)={0x0, @in={{0x2, 0x2, @empty}}, [0x400, 0x16, 0x3ff, 0x5, 0xa248, 0x20, 0x10000, 0x1, 0xa6cf, 0xfffffffffffffff8, 0x4, 0x7, 0x20, 0x232caceb, 0x4]}, &(0x7f00000001c0)=0x108) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r4, 0x1, 0x101}, &(0x7f0000000240)=0xc) ftruncate(r3, 0x40007) sendfile(r1, r3, &(0x7f0000767ff8), 0xfffffffd) recvmmsg(r0, &(0x7f0000813fda)=[{{0x0, 0x0, &(0x7f0000811000)=[]}}], 0x1, 0x0, 0x0) 2018/02/23 16:04:51 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) fadvise64(r0, 0x0, 0xa6f, 0x2) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x4001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000080)='cubic\x00', 0x6) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) fstat(r1, &(0x7f00000000c0)) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000012000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockname$netlink(r1, &(0x7f0000000140), &(0x7f0000000180)=0xc) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000e20000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:51 executing program 3: r0 = creat(&(0x7f0000985ff8)='./file0\x00', 0x0) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) r1 = syz_open_procfs(0x0, &(0x7f0000218fe9)='net/ip6_tables_matches\x00') sendfile(r0, r1, &(0x7f0000023000), 0x26a950b) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x9, 0x1, 0x6, 0x3, 0x7, 0xfffffffffffffff9, 0x1, {0x0, @in={{0x2, 0x1, @empty}}, 0x5, 0x771, 0x3, 0x5a4, 0xc7f1}}, &(0x7f00000000c0)=0xb8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r2, 0x10000}, &(0x7f0000000140)=0x8) 2018/02/23 16:04:51 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x20002, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000040)={0x0, 0x4, "cc4707d8"}, &(0x7f0000000080)=0xc) getsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f00000000c0)={r2, 0xfffffffffffffffb, 0x1}, &(0x7f0000000100)=0x10) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:51 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000040)={&(0x7f0000010000/0x2000)=nil, 0x2000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:51 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x84}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x400000, 0x0) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f00000000c0)={0x3, &(0x7f0000000080)=[{}, {}, {}]}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:51 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x80000) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0xfffffffffffffffc) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={@generic="8d074ceb146eb49aaf574ee57109e13f", @ifru_map={0x5, 0x3, 0x1, 0x2, 0x1, 0xfffffffffffffc00}}) socket$inet(0x2, 0x7, 0x2) socket$l2tp(0x18, 0x1, 0x1) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:51 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f000039c000)=0x400000000000001, 0x4) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x800000120000001, &(0x7f0000e45ff0)={0x2, 0xffffffffffffffff, @broadcast=0xffffffff}, 0x5a0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x2, 0x0) ioctl$PPPIOCGMRU(r1, 0x80047453, &(0x7f0000000080)) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) sendto$inet(r0, &(0x7f00008b1000)="d4", 0x1, 0x0, &(0x7f0000000000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) sendto(r0, &(0x7f0000000080)="c3", 0x1, 0x0, &(0x7f0000000340)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff, 0xbb}}, 0x14) dup2(r2, r0) 2018/02/23 16:04:51 executing program 2: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket$unix(0x1, 0x400000000000002, 0x0) setsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000000)=0x19, 0xfffffffffffffdd7) bind$unix(r1, &(0x7f0000003000)=@file={0x1, "e91f7189591e9233614b"}, 0x42) connect$unix(r0, &(0x7f0000000000)=@file={0x1, "e91f7189591e9233614b"}, 0xc) 2018/02/23 16:04:51 executing program 5: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x0, 0x1) ioperm(0x0, 0x4, 0x0) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x0, 0x0) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000080)) 2018/02/23 16:04:51 executing program 7: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x2, 0x0) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f0000000040)=""/179) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000100), &(0x7f0000000140)=0x4) getsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000100), &(0x7f0000000140)=0x8) ioctl$sock_ifreq(r1, 0x8929, &(0x7f0000641000)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_data=&(0x7f0000dff000)="0b00000000000000000305fffe00eb00ecff0000a10000000449faf4e2007e23"}) r2 = dup(r1) socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet_sctp_SCTP_NODELAY(r2, 0x84, 0x3, &(0x7f0000000000)=0xa7, 0x4) 2018/02/23 16:04:51 executing program 5: r0 = eventfd2(0x1, 0x1) read(r0, &(0x7f00005a5f16)=""/234, 0xea) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) getsockopt$ax25_buf(r1, 0x101, 0x19, &(0x7f0000000040)=""/210, &(0x7f0000000140)=0xd2) ioctl$EVIOCGBITKEY(r1, 0x80404521, &(0x7f0000000180)=""/81) 2018/02/23 16:04:51 executing program 2: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket$unix(0x1, 0x400000000000002, 0x0) setsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000000)=0x19, 0xfffffffffffffdd7) bind$unix(r1, &(0x7f0000003000)=@file={0x1, "e91f7189591e9233614b"}, 0x42) connect$unix(r0, &(0x7f0000000000)=@file={0x1, "e91f7189591e9233614b"}, 0xc) 2018/02/23 16:04:52 executing program 3: r0 = socket(0x1b, 0x1, 0x200007c) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) sendmsg$nl_route(r0, &(0x7f0000000040)={&(0x7f000035bb31)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000cf5fc0)=@newlink={0x3c, 0x10, 0x9, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@IFLA_IFNAME={0x14, 0x3, @common='sit0\x00'}, @IFLA_NET_NS_PID={0x8, 0x13}]}, 0x8a}, 0x1, 0x0, 0x0, 0x1}, 0x10) r1 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x40000) r2 = accept$unix(r0, &(0x7f0000000100)=@file={0x0, ""/35}, &(0x7f0000000140)=0xfffffffffffffeb3) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000100)={0x4, 0x9, 0x2, 0xffffffff, 0xfff, 0x7f, 0x80, 0x6, 0x1, 0xf1}) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f00000001c0)={{{@in=@remote, @in=@broadcast, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast2}}, 0x0, @in6=@empty}}, &(0x7f00000002c0)=0xe8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000300)={0x0, 0x0, 0x0}, &(0x7f0000000340)=0xc) chown(&(0x7f0000000180)='./file0\x00', r3, r4) ioctl$sock_SIOCADDDLCI(r2, 0x8980, &(0x7f0000000380)={@common='gre0\x00', 0x5}) [ 59.942223] handle_userfault: 11 callbacks suppressed [ 59.948318] FAULT_FLAG_ALLOW_RETRY missing 30 [ 59.956320] CPU: 1 PID: 8681 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 59.963954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.973281] 0000000000000000 bf89242f17447dea ffff8801c7e3f490 ffffffff81d03f6d [ 59.981246] ffff8801d5206300 1ffff10038fc7e9f ffff8801c7e3f618 0000000000000000 [ 59.989216] 0000000000000000 ffff8801c7e3f640 ffffffff81607365 ffffffff81237470 [ 59.997188] Call Trace: [ 59.999750] [] dump_stack+0xc1/0x124 [ 60.005087] [] handle_userfault+0x715/0xf50 [ 60.012125] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.019113] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 60.025487] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.032480] [] ? handle_mm_fault+0xb5d/0x3190 [ 60.038593] [] ? userfaultfd_poll+0x180/0x180 [ 60.044710] [] ? handle_mm_fault+0x291e/0x3190 [ 60.050910] [] handle_mm_fault+0x2938/0x3190 [ 60.056940] [] ? debug_check_no_obj_freed+0x166/0x9b0 [ 60.063748] [] ? copy_page_range+0x1480/0x1480 [ 60.069949] [] ? __do_page_fault+0x780/0xa00 [ 60.075977] [] ? vmacache_find+0x57/0x290 [ 60.081745] [] __do_page_fault+0x35b/0xa00 [ 60.087597] [] do_page_fault+0x27/0x30 [ 60.093105] [] page_fault+0x28/0x30 [ 60.098353] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 60.105166] [] ? do_sys_poll+0x1a4/0xcc0 [ 60.110845] [] ? check_preempt_wakeup+0x53e/0xa70 [ 60.117308] [] ? SyS_pselect6+0x530/0x530 [ 60.123075] [] ? preempt_schedule+0x25/0x30 [ 60.129015] [] ? ___preempt_schedule+0x12/0x14 [ 60.135216] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 60.142114] [] ? try_to_wake_up+0x62/0xf60 [ 60.147968] [] ? plist_check_head+0x4a/0x60 [ 60.153905] [] ? wake_up_q+0xbe/0x130 [ 60.159327] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 60.166223] [] ? futex_wake+0x153/0x450 [ 60.172340] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.179330] [] ? userfaultfd_release+0x5a0/0x5a0 [ 60.185709] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.192696] [] ? ___slab_alloc.constprop.76+0x35d/0x530 [ 60.199680] [] ? recalc_sigpending+0x76/0xa0 [ 60.205709] [] ? __set_task_blocked+0x107/0x240 [ 60.211998] [] ? __set_current_blocked+0x4b/0xa0 [ 60.218374] [] ? retarget_shared_pending+0x210/0x210 [ 60.225098] [] ? __set_current_blocked+0x80/0xa0 [ 60.231478] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 60.237851] [] ? __set_current_blocked+0x80/0xa0 [ 60.244227] [] ? sigprocmask+0xef/0x290 [ 60.249819] [] ? sigsuspend+0x1f0/0x1f0 [ 60.255412] [] ? __might_fault+0x114/0x1d0 [ 60.261267] [] SyS_ppoll+0x1b1/0x3e0 [ 60.266602] [] ? SyS_poll+0x3f0/0x3f0 [ 60.272025] [] ? SyS_futex+0x210/0x2c0 [ 60.277531] [] ? do_futex+0x15d0/0x15d0 [ 60.283128] [] ? security_file_ioctl+0x89/0xb0 2018/02/23 16:04:52 executing program 2: r0 = socket(0x10, 0x802, 0x0) sendmsg$nl_route(r0, &(0x7f00001a1000)={&(0x7f00004d2ff4)={0x10}, 0x5, &(0x7f00006b3000)={&(0x7f0000514fac)=@ipv6_delroute={0x28, 0x19, 0x111, 0xffffffffffffffff, 0xffffffffffffffff, {0xa}, [@RTA_MULTIPATH={0xc, 0x9, [{0x9}]}]}, 0x28}, 0x1}, 0x0) 2018/02/23 16:04:52 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:52 executing program 5: r0 = open(&(0x7f0000021000)='./control\x00', 0x0, 0x0) mknodat(r0, &(0x7f0000008ff6)='./control\x00', 0x0, 0x0) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x1, &(0x7f0000012000)=[{0x6, 0x0, 0x0, 0xfffffffffffffff7}]}) renameat2(r0, &(0x7f00000000c0)='./control\x00', r0, &(0x7f0000000100)='./control\x00', 0x0) r1 = getuid() r2 = getegid() fchownat(r0, &(0x7f0000000000)='./control\x00', r1, r2, 0x1800) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x5c, &(0x7f0000000000)=[@in6={0xa, 0x3, 0x6, @empty, 0x8}, @in={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, @in={0x2, 0x0, @local={0xac, 0x14, 0x0, 0xaa}}, @in={0x2, 0x3, @broadcast=0xffffffff}, @in={0x2, 0x0, @broadcast=0xffffffff}]}, &(0x7f0000000140)=0x10) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000180)={r3, 0x4}, 0x8) 2018/02/23 16:04:52 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={&(0x7f0000b9343a)={0x10}, 0xc, &(0x7f00005a1000)={&(0x7f0000000000)=@ipv4_delroute={0x24, 0x19, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, {0x2, 0x20, 0x0, 0x0, 0xff}, [@RTA_DST={0x8, 0x1, @loopback=0x7f000001}]}, 0x24}, 0x1}, 0x0) 2018/02/23 16:04:52 executing program 7: mmap(&(0x7f0000000000/0x1d000)=nil, 0x1d000, 0x3, 0x10, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000012ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000013000)={0x2, &(0x7f0000012fe8)=[{0x87}, {0x6}]}, 0x10) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x8001, 0x0) ioctl$TCXONC(r1, 0x540a, 0xa6) 2018/02/23 16:04:52 executing program 2: mkdir(&(0x7f0000632000)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000014ff8)='./file0\x00', &(0x7f0000014000)='vxfs\x00', 0x1, &(0x7f0000fc9000)) r0 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) faccessat(r0, &(0x7f0000e34000)='./bus\x00', 0x2, 0x0) [ 60.289328] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 60.295789] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:52 executing program 5: pipe(&(0x7f00001c5ff8)={0xffffffffffffffff, 0xffffffffffffffff}) mmap(&(0x7f00005e2000/0x1000)=nil, 0x1000, 0x2, 0x2032, 0xffffffffffffffff, 0x0) vmsplice(r1, &(0x7f00005e48eb)=[{&(0x7f00005e2f97)="f8", 0x1}], 0x1, 0x0) vmsplice(r0, &(0x7f0000000280)=[{&(0x7f0000000180)="17", 0x1}], 0x1, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x8883, 0x4, 0x8000, 0x0, 0x8}, &(0x7f0000000040)=0x14) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@assoc_value={r2}, &(0x7f00000000c0)=0x8) 2018/02/23 16:04:52 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') accept4$ax25(r0, &(0x7f0000000000), &(0x7f0000000040)=0x10, 0x80800) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) socket$inet(0x2, 0xa, 0x4) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:52 executing program 7: r0 = socket$inet6(0xa, 0x80002, 0x800000000008b) bind$inet6(r0, &(0x7f0000726fe4)={0xa, 0x3, 0x0, @empty}, 0x1c) recvmsg(r0, &(0x7f00003aa000)={&(0x7f00008fdfce)=@pppol2tpin6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @local}}}, 0x32, &(0x7f0000ff8000)=[], 0x0, &(0x7f0000221f73)=""/141, 0x8d}, 0x0) r1 = socket$inet6(0xa, 0x802, 0x88) sendto$inet6(r1, &(0x7f00005c2000), 0x0, 0x0, &(0x7f0000d1f000)={0xa, 0x3, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) 2018/02/23 16:04:52 executing program 0: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x3) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r0, 0x404c534a, &(0x7f0000000040)={0x0, 0x7, 0xfffffffffffffff9}) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x4ba, 0x5, 0x1, 0x4, 0x6, 0xbbba, 0x8, {0x0, @in={{0x2, 0x1, @loopback=0x7f000001}}, 0x3a, 0xffffffff, 0x3, 0x8, 0x4b}}, &(0x7f0000000180)=0xb8) ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f0000000200)={0x1, 0x0, 0xcf}) openat$autofs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/autofs\x00', 0x151000, 0x0) 2018/02/23 16:04:52 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x10000) setsockopt$inet6_group_source_req(r0, 0x29, 0x2f, &(0x7f0000000100)={0x287a, {{0xa, 0x1, 0x8001, @mcast1={0xff, 0x1, [], 0x1}, 0x100000001}}, {{0xa, 0x0, 0x8, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x8001}}}, 0x108) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000100)='/dev/pktcdvd/control\x00', 0x8040, 0x0) ioctl$sock_ipx_SIOCIPXCFGDATA(r2, 0x89e2, &(0x7f0000000140)) ioctl$SIOCSIFMTU(r2, 0x8922, &(0x7f0000000040)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x9}) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:52 executing program 2: mkdir(&(0x7f0000632000)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000014ff8)='./file0\x00', &(0x7f0000014000)='vxfs\x00', 0x1, &(0x7f0000fc9000)) r0 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) faccessat(r0, &(0x7f0000e34000)='./bus\x00', 0x2, 0x0) 2018/02/23 16:04:52 executing program 5: r0 = syz_open_dev$sndtimer(&(0x7f0000985000)='/dev/snd/timer\x00', 0x0, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x800, 0x0) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000040)={@syzn, @ifru_map}) fchown(r0, 0x0, 0x0) 2018/02/23 16:04:52 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') accept4$ax25(r0, &(0x7f0000000000), &(0x7f0000000040)=0x10, 0x80800) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) socket$inet(0x2, 0xa, 0x4) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:52 executing program 1: socketpair$llc(0x1a, 0x3, 0x0, &(0x7f0000000480)) pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x84800) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1, 0x32, r1, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$KDADDIO(r0, 0x4b34, 0x1) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000040)={&(0x7f000000f000/0x3000)=nil, 0x3000}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000ffe000/0x1000)=nil, 0x1000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x90d}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r3, 0x81}, 0x8) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:52 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x101000, 0x0) fcntl$notify(r0, 0x402, 0x20) nanosleep(&(0x7f0000000080), &(0x7f00000000c0)) ioctl$EVIOCGUNIQ(r1, 0x80404508, &(0x7f0000000180)=""/215) 2018/02/23 16:04:52 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) pipe2(&(0x7f0000000000)={0x0}, 0x4000) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:52 executing program 5: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$UFFDIO_UNREGISTER(r0, 0x8010aa01, &(0x7f0000000040)={&(0x7f0000ffd000/0x2000)=nil, 0x2000}) mprotect(&(0x7f0000b1d000/0x2000)=nil, 0x2000, 0x5) vmsplice(r1, &(0x7f0000b1d000)=[{&(0x7f0000005fe3)}], 0x1, 0x0) 2018/02/23 16:04:52 executing program 7: r0 = socket(0xa, 0x1, 0x0) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x6, [{0x0, 0x1, 0x7fff, 0x0, 0x0, 0x2000}, {0x995, 0x77, 0x0, 0x0, 0x0, 0x1}, {0x6, 0xb7d, 0x3f, 0x0, 0x0, 0x2608}, {0xffffffffffffddbe, 0x4e, 0xa017}, {0xff, 0x7, 0x10001, 0x0, 0x0, 0x280}, {0x0, 0x100000001, 0xffffffff00000001, 0x0, 0x0, 0x400}]}) r1 = socket$netlink(0x10, 0x3, 0x3) ioctl(r0, 0x8918, &(0x7f0000000000)) r2 = dup2(r1, r1) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000000180)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_ivalue=0x3}) r3 = socket(0x4, 0x0, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000000200)={{{@in=@loopback, @in6=@ipv4={[], [], @rand_addr}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@empty}}, &(0x7f0000000300)=0xe8) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000340)={@generic="56449fbdc7146897f2428ebebf7f85cd", r4}) mq_notify(r3, &(0x7f0000000240)={0x0, 0x32, 0x2, @thr={&(0x7f0000000180)="51350ff183cabfa3a5f80b5f085051c346e6722131eb513d881d092b442a9721b7fd01f0e0af34701d1c7fcb1c5f", &(0x7f00000001c0)="40d8ee7ef7a3fcfb67f7cf93641e02a71abf83adb56a1fb987fcfdfb0ee066f15cb88e43d76d6ad65382a857bafe911f8523bb02cd202549d9832fee1adf8afc6aeca2ddfdf5064a0944ac2c31f54483c9016328569594e62ae38d3f73a4a56761362c507bce54395761c5ce9c3f4d"}}) 2018/02/23 16:04:52 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000a37000)='/dev/sg#\x00', 0x0, 0x0) fallocate(r0, 0x12, 0x0, 0x6) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0, 0x0}, &(0x7f0000000040)=0xc) stat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r1, r2) 2018/02/23 16:04:52 executing program 4: r0 = open(&(0x7f0000000000)='./file0\x00', 0x101400, 0x100) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000040)={{{@in6=@dev, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) ioctl$TUNSETOWNER(r0, 0x400454cc, &(0x7f0000000180)=r2) r3 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r4 = syz_open_dev$urandom(&(0x7f00000001c0)='/dev/urandom\x00', 0x0, 0xc081) r5 = socket$inet(0x2, 0xa, 0x0) r6 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) recvfrom$inet(r0, &(0x7f0000000200)=""/4096, 0x1000, 0x102, &(0x7f0000001200)={0x2, 0x3, @empty}, 0x10) ioctl$sock_inet_SIOCSARP(r5, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r4, r3, &(0x7f0000fd9ff8), 0x100000001) setsockopt$inet_mreqn(r3, 0x0, 0x23, &(0x7f0000001240)={@rand_addr=0x7fff, @multicast2=0xe0000002, r1}, 0xc) 2018/02/23 16:04:52 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000000)={0x3f, 0x10001, 0x4, 0x7, 0x1, 0x2, 0xe1e4, 0x8000, 0xffff, 0x1, 0xe58, 0x4}) pipe2(&(0x7f00000000c0)={0x0}, 0x0) r2 = syz_open_pts(r0, 0x0) r3 = syz_open_pts(r0, 0x0) r4 = dup2(r1, r2) ioctl$KDGKBMODE(r1, 0x4b44, &(0x7f0000000000)) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000100)={0x0, 0x1, 0x408eeec6, 0x4, 0xffffffffffff0000, 0x8, 0x0, 0x3f, {0x0, @in={{0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x4, 0x100000000, 0x0, 0x0, 0x9}}, &(0x7f0000000040)=0xb8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000080)={0x0, 0x9, 0x0, 0xfffffffffffffffc, 0x55, 0x1}, &(0x7f00000001c0)=0x14) ioctl$TCSETS(r3, 0x5402, &(0x7f0000000200)={0x4, 0x3, 0x9, 0x3, 0x30a, 0x10000, 0x1, 0x45c, 0x100000000, 0x9, 0x3, 0x80000001}) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000200)={r5, 0x4, 0x1, 0x80000000, 0x7, 0x4, 0x200, 0x8, {r6, @in={{0x2, 0x0, @multicast1=0xe0000001}}, 0x401, 0x0, 0x6, 0xe0}}, &(0x7f00000002c0)=0xb8) 2018/02/23 16:04:52 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000769ff7)='/dev/sg#\x00', 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f00000be000)=[{&(0x7f00003eeff6)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000603000)=[{&(0x7f0000007000)="c2f1a8c8a02a5932fd69adc52c8e0345c26db185e9ed5355ea1469f94049d3f3fd34cbd156009cd21e847417b4", 0x2d}], 0x1, &(0x7f0000b88000)=[]}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f000004f000)={0x0, @in6={{0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}}}, &(0x7f0000007000)=0xa0) ioctl(r0, 0x2285, &(0x7f0000000000)='S') 2018/02/23 16:04:52 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:52 executing program 5: mkdir(&(0x7f0000000080)='./file0\x00', 0x94) unlink(&(0x7f0000b04000)="131377c5fc35d41454d5d41d29ad1a6029598146e6be166e41ad0dbd4054033c9f33bbda8224a2f3d772e7636e48b33cbf708372e8f1b9933ec5127743be2206209ef02df9cbf2f6e880d3382f") 2018/02/23 16:04:52 executing program 2: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x2002) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0xc058534f, &(0x7f0000577000)={{0x0, 0x8001}, 0x0, 0xfffffffffffffffc}) 2018/02/23 16:04:52 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) getsockopt$inet6_buf(r0, 0x29, 0x45, &(0x7f0000000000)=""/20, &(0x7f0000000040)=0x14) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0xa7) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 2018/02/23 16:04:52 executing program 7: pipe2(&(0x7f00008df000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) bind$llc(r1, &(0x7f0000000000)={0x1a, 0x15, 0x4, 0x7, 0xffff, 0x8, @empty}, 0x10) fcntl$setstatus(r0, 0x4, 0x40000) write(r1, &(0x7f0000000000)="ae", 0xfffffffffffffde5) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000040)=0x0) syz_open_procfs(r2, &(0x7f0000000080)='net/ip6_mr_vif\x00') llistxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/151, 0x97) readv(r0, &(0x7f0000c9e000)=[{&(0x7f0000c25f19)=""/231, 0xe7}], 0x1) 2018/02/23 16:04:52 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) syz_open_pts(r1, 0xc0800) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f00000000c0)='/dev/urandom\x00', 0x0, 0x28a003) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_data=&(0x7f0000000040)="5d421f4f05484cbf4e9f68c14954c0d95a5b24b56bab52e927739eb4937af19e"}) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x2, 0x4) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:52 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socketpair$inet(0x2, 0x80000, 0x6, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x54, &(0x7f0000000040)=[@in6={0xa, 0x1, 0x3fa1, @empty, 0x6}, @in6={0xa, 0x2, 0xcbd, @mcast2={0xff, 0x2, [], 0x1}, 0xecc}, @in6={0xa, 0x3, 0x3ff, @empty, 0x80000000}]}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000140)={r2, @in6={{0xa, 0x2, 0x1, @loopback={0x0, 0x1}}}, 0x1a05, 0x7}, &(0x7f0000000200)=0x98) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f000038e000)={@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, @dev={0xfe, 0x80}, @mcast2={0xff, 0x2, [], 0x1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ffffffc}) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x20) ioctl$EVIOCGEFFECTS(r3, 0x80044584, &(0x7f0000000040)=""/154) ioctl$EVIOCGVERSION(r3, 0x80044501, &(0x7f0000000240)=""/191) 2018/02/23 16:04:52 executing program 2: r0 = open(&(0x7f0000000000)='./file0\x00', 0x101400, 0x100) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000040)={{{@in6=@dev, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) ioctl$TUNSETOWNER(r0, 0x400454cc, &(0x7f0000000180)=r2) r3 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r4 = syz_open_dev$urandom(&(0x7f00000001c0)='/dev/urandom\x00', 0x0, 0xc081) r5 = socket$inet(0x2, 0xa, 0x0) r6 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) recvfrom$inet(r0, &(0x7f0000000200)=""/4096, 0x1000, 0x102, &(0x7f0000001200)={0x2, 0x3, @empty}, 0x10) ioctl$sock_inet_SIOCSARP(r5, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r4, r3, &(0x7f0000fd9ff8), 0x100000001) setsockopt$inet_mreqn(r3, 0x0, 0x23, &(0x7f0000001240)={@rand_addr=0x7fff, @multicast2=0xe0000002, r1}, 0xc) 2018/02/23 16:04:52 executing program 5: r0 = timerfd_create(0x8, 0x0) timerfd_settime(r0, 0x1, &(0x7f0000f7d000)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, &(0x7f0000b37000)) timerfd_gettime(r0, &(0x7f0000943fe0)) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x200101, 0x0) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0x7, &(0x7f0000000040)={0x6, 0x1, 0x7, 0x1ff}, 0x10) [ 60.871310] FAULT_FLAG_ALLOW_RETRY missing 30 [ 60.876283] CPU: 1 PID: 8828 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 60.883900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.893232] 0000000000000000 095530b2c44b0ef1 ffff8801d46c7490 ffffffff81d03f6d [ 60.901197] ffff8801d5206780 1ffff1003a8d8e9f ffff8801d46c7618 0000000000000000 [ 60.909153] 0000000000000000 ffff8801d46c7640 ffffffff81607365 ffffffff81237470 [ 60.917122] Call Trace: [ 60.919688] [] dump_stack+0xc1/0x124 [ 60.925021] [] handle_userfault+0x715/0xf50 [ 60.930960] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.937942] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 60.944317] [] ? handle_mm_fault+0xb5d/0x3190 [ 60.950429] [] ? userfaultfd_poll+0x180/0x180 [ 60.956540] [] ? handle_mm_fault+0x291e/0x3190 [ 60.962741] [] handle_mm_fault+0x2938/0x3190 [ 60.968776] [] ? copy_page_range+0x1480/0x1480 [ 60.975070] [] ? __do_page_fault+0x780/0xa00 [ 60.981102] [] ? vmacache_find+0x57/0x290 [ 60.986887] [] __do_page_fault+0x35b/0xa00 [ 60.992745] [] do_page_fault+0x27/0x30 [ 60.998251] [] page_fault+0x28/0x30 [ 61.003497] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 61.010307] [] ? do_sys_poll+0x1a4/0xcc0 [ 61.015994] [] ? check_preempt_wakeup+0x53e/0xa70 [ 61.022453] [] ? SyS_pselect6+0x530/0x530 [ 61.028219] [] ? preempt_schedule+0x25/0x30 [ 61.034159] [] ? ___preempt_schedule+0x12/0x14 [ 61.040358] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 61.047253] [] ? try_to_wake_up+0x62/0xf60 [ 61.053107] [] ? plist_check_head+0x4a/0x60 [ 61.059043] [] ? wake_up_q+0xbe/0x130 [ 61.064463] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 61.071360] [] ? futex_wake+0x153/0x450 [ 61.076951] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.083932] [] ? userfaultfd_release+0x5a0/0x5a0 [ 61.090303] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.097282] [] ? recalc_sigpending+0x76/0xa0 [ 61.103308] [] ? __set_task_blocked+0x107/0x240 [ 61.109592] [] ? __set_current_blocked+0x4b/0xa0 [ 61.115965] [] ? retarget_shared_pending+0x210/0x210 [ 61.122688] [] ? __set_current_blocked+0x80/0xa0 [ 61.129059] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 61.135347] [] ? __set_current_blocked+0x80/0xa0 [ 61.141719] [] ? sigprocmask+0xef/0x290 [ 61.147311] [] ? sigsuspend+0x1f0/0x1f0 [ 61.152903] [] ? __might_fault+0x114/0x1d0 [ 61.158756] [] SyS_ppoll+0x1b1/0x3e0 [ 61.164084] [] ? SyS_poll+0x3f0/0x3f0 [ 61.169500] [] ? SyS_futex+0x210/0x2c0 [ 61.175004] [] ? do_futex+0x15d0/0x15d0 [ 61.180595] [] ? security_file_ioctl+0x89/0xb0 [ 61.186791] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 61.193252] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:53 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socketpair$inet(0x2, 0x80000, 0x6, &(0x7f0000000000)={0x0}) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x54, &(0x7f0000000040)=[@in6={0xa, 0x1, 0x3fa1, @empty, 0x6}, @in6={0xa, 0x2, 0xcbd, @mcast2={0xff, 0x2, [], 0x1}, 0xecc}, @in6={0xa, 0x3, 0x3ff, @empty, 0x80000000}]}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000140)={r2, @in6={{0xa, 0x2, 0x1, @loopback={0x0, 0x1}}}, 0x1a05, 0x7}, &(0x7f0000000200)=0x98) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f000038e000)={@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, @dev={0xfe, 0x80}, @mcast2={0xff, 0x2, [], 0x1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ffffffc}) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x20) ioctl$EVIOCGEFFECTS(r3, 0x80044584, &(0x7f0000000040)=""/154) ioctl$EVIOCGVERSION(r3, 0x80044501, &(0x7f0000000240)=""/191) 2018/02/23 16:04:53 executing program 7: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) dup2(r0, r1) r2 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0xe297d93a8ec38d22) ioctl$int_in(r2, 0x0, &(0x7f0000000040)=0x4) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) timerfd_settime(r2, 0x1, &(0x7f00000000c0)={{0x0, 0x989680}, {r3, r4+10000000}}, &(0x7f0000000100)) 2018/02/23 16:04:53 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x8000000000000) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:53 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000242000)='net/raw6\x00') readv(r0, &(0x7f00009bd000)=[{&(0x7f00000d4d84)=""/4096, 0x1000}], 0x1) ioctl$EVIOCGRAB(r0, 0x40044590, &(0x7f0000000000)=0x6) 2018/02/23 16:04:53 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x2000)=nil, 0x2000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:53 executing program 2: r0 = socket(0x10, 0x3, 0x0) write(r0, &(0x7f0000360000)="2400000052001f0014f9f407002c04000a00071008000100ffffffff0800000000000000", 0x24) getsockopt$ax25_buf(r0, 0x101, 0x19, &(0x7f0000000000)=""/148, &(0x7f00000000c0)=0x94) fsync(r0) 2018/02/23 16:04:53 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000000)={0x1, [0x0]}, &(0x7f0000000080)=0x8) 2018/02/23 16:04:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) ioctl$int_out(r1, 0x2, &(0x7f0000000040)) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:53 executing program 2: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000039000)='./control\x00', 0x0, 0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000fa3ff6)='./control\x00', 0x0, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./control\x00', 0x10000, 0x48) recvfrom$ipx(r0, &(0x7f0000000040)=""/32, 0x20, 0x10021, &(0x7f0000000080)={0x4, 0x14e, 0x8, "fe1edb7f1359", 0x2008000000}, 0x10) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0x8) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f00000000c0)) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f00000000c0)={r2, @in={{0x2, 0x3, @multicast1=0xe0000001}}, 0x4, 0x80000000, 0x7, 0x9, 0x7ff}, &(0x7f0000000180)=0xa0) futimesat(r0, &(0x7f00000001c0)='./control\x00', &(0x7f0000000200)={{0x0, 0x2710}, {0x77359400}}) renameat2(r0, &(0x7f0000576ff8)='./file0\x00', r1, &(0x7f0000d38ff6)='./control\x00', 0x0) 2018/02/23 16:04:53 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x3, @rand_addr=0x3}, 0x10) sendto$inet(r0, &(0x7f0000fd0000), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x3, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0xc, &(0x7f000023f000)=0x46, 0x4) 2018/02/23 16:04:53 executing program 7: r0 = syz_open_dev$random(&(0x7f0000000000)='/dev/random\x00', 0x0, 0x28481) fcntl$getflags(r0, 0x40a) r1 = syz_open_procfs(0x0, &(0x7f0000252000)='map_files\x00') unshare(0x40600) getdents64(r1, &(0x7f0000000000)=""/24, 0x18) 2018/02/23 16:04:53 executing program 5: r0 = socket(0xa, 0x802, 0x8000) ioctl(r0, 0x8b16, &(0x7f0000001000)) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x200, 0x0) ioctl$GIO_CMAP(r1, 0x4b70, &(0x7f0000000040)) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000000)={0x0, 0x4}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000080)={r2, 0x2, 0x9, 0x4, 0x5, 0x2}, &(0x7f00000000c0)=0x14) [ 61.325441] FAULT_FLAG_ALLOW_RETRY missing 30 [ 61.330126] CPU: 1 PID: 8858 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 61.337736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.347074] 0000000000000000 c50e5536a404d40b ffff8800acd2f490 ffffffff81d03f6d [ 61.355093] ffff8801d5206900 1ffff100159a5e9f ffff8800acd2f618 0000000000000000 [ 61.363089] 0000000000000000 ffff8800acd2f640 ffffffff81607365 ffffffff81237470 [ 61.371064] Call Trace: [ 61.373624] [] dump_stack+0xc1/0x124 [ 61.378958] [] handle_userfault+0x715/0xf50 [ 61.384900] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.391883] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 61.398260] [] ? handle_mm_fault+0xb5d/0x3190 [ 61.404376] [] ? userfaultfd_poll+0x180/0x180 [ 61.410489] [] ? handle_mm_fault+0x291e/0x3190 [ 61.416691] [] handle_mm_fault+0x2938/0x3190 [ 61.422720] [] ? copy_page_range+0x1480/0x1480 [ 61.428924] [] ? __do_page_fault+0x780/0xa00 [ 61.434949] [] ? vmacache_find+0x57/0x290 [ 61.440716] [] __do_page_fault+0x35b/0xa00 [ 61.446572] [] do_page_fault+0x27/0x30 [ 61.452080] [] page_fault+0x28/0x30 [ 61.457329] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 61.464137] [] ? do_sys_poll+0x1a4/0xcc0 [ 61.469819] [] ? check_preempt_wakeup+0x53e/0xa70 [ 61.476282] [] ? SyS_pselect6+0x530/0x530 [ 61.482052] [] ? preempt_schedule+0x25/0x30 [ 61.488023] [] ? ___preempt_schedule+0x12/0x14 [ 61.494224] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 61.501119] [] ? try_to_wake_up+0x62/0xf60 [ 61.506973] [] ? plist_check_head+0x4a/0x60 [ 61.512912] [] ? wake_up_q+0xbe/0x130 [ 61.518334] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 61.525229] [] ? futex_wake+0x153/0x450 [ 61.530826] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.537811] [] ? userfaultfd_release+0x5a0/0x5a0 [ 61.544187] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.551171] [] ? recalc_sigpending+0x76/0xa0 [ 61.557202] [] ? __set_task_blocked+0x107/0x240 [ 61.563493] [] ? __set_current_blocked+0x4b/0xa0 [ 61.569866] [] ? retarget_shared_pending+0x210/0x210 [ 61.576591] [] ? __set_current_blocked+0x80/0xa0 [ 61.582968] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 61.589257] [] ? __set_current_blocked+0x80/0xa0 [ 61.595632] [] ? sigprocmask+0xef/0x290 [ 61.601229] [] ? sigsuspend+0x1f0/0x1f0 [ 61.606822] [] ? __might_fault+0x114/0x1d0 [ 61.612677] [] SyS_ppoll+0x1b1/0x3e0 [ 61.618010] [] ? SyS_poll+0x3f0/0x3f0 2018/02/23 16:04:53 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000000)={0x5, 0x0, 0x2, 0xfffffffffffffff8}) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000040)={0x0, r2, 0x2, 0x8}) 2018/02/23 16:04:53 executing program 0: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x2000, 0x0) socket$inet6_icmp(0xa, 0x2, 0x3a) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r0, 0xc05c5340, &(0x7f0000000040)={0xfffffffffffffffd, 0x0, 0x7ff, {}, 0x2, 0x4}) syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:53 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x8000000000000) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:53 executing program 7: fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000000000)={0x0, 0x0}) timer_create(0x1, &(0x7f0000000180)={0x0, 0x35, 0x0, @tid=r0}, &(0x7f00000000c0)=0x0) timer_delete(r1) r2 = socket$inet6(0xa, 0x803, 0x4) r3 = open(&(0x7f0000001140)='./file0\x00', 0x10000, 0x10) ioctl$SNDRV_TIMER_IOCTL_GINFO(r3, 0xc0f85403, &(0x7f0000001180)={{0xffffffffffffffff, 0x1, 0x9, 0x2}, 0x1, 0x6, 'id1\x00', 'timer1\x00', 0x0, 0xff, 0x6, 0x8, 0x4}) setsockopt$inet6_int(r2, 0x29, 0x18, &(0x7f0000d01000)=0x7ff, 0x4) setsockopt$sock_int(r2, 0x1, 0x25, &(0x7f0000161000)=0x1ff, 0x4) getsockopt$inet_dccp_buf(r3, 0x21, 0xd, &(0x7f0000001280), &(0x7f00000012c0)) setsockopt$inet6_int(r2, 0x29, 0x3c, &(0x7f0000311ffc)=0x1, 0x4) setsockopt$inet6_buf(r2, 0x29, 0x3e, &(0x7f00002cef88)="5780d01c", 0x4) sendto$inet6(r2, &(0x7f0000adb000)="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", 0x7d0, 0x0, &(0x7f0000809000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) readv(r2, &(0x7f0000000000)=[{&(0x7f0000a7b000)=""/196, 0xc4}], 0x1) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000000200)={{{@in=@remote, @in6=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@loopback}}, &(0x7f0000000040)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000000300)={{{@in=@multicast1, @in=@rand_addr, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@broadcast}}, &(0x7f0000000080)=0xe8) setsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000000400)={{{@in=@loopback=0x7f000001, @in=@loopback=0x7f000001, 0x0, 0x0, 0x0, 0x666, 0xa, 0x20, 0x80, 0x3a, r4, r5}, {0x11cd, 0x3, 0x8, 0x1, 0x0, 0x0, 0xe52, 0x3}, {0x5, 0x7, 0xe71, 0x6}, 0x6, 0xffffffffffffffff, 0x2, 0x1, 0x3, 0x3}, {{@in=@empty, 0x3, 0x6c}, 0x0, @in=@multicast2=0xe0000002, 0x7, 0x1, 0x3, 0x5, 0x1, 0x61, 0xa728}}, 0xe8) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f0000000040)={0x2, [0x8, 0x10]}, 0x8) 2018/02/23 16:04:53 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x24, &(0x7f0000df3ffc), 0x4) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x7fffffff, 0x400000) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000100)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000000140)=0x10) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r1, 0xc0bc5310, &(0x7f0000000180)) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000180)=@assoc_value={r2, 0x9}, 0x8) 2018/02/23 16:04:53 executing program 2: pipe(&(0x7f0000000000)={0x0, 0x0}) close(r0) ioctl$sock_inet_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000040)) mmap(&(0x7f0000000000/0x24000)=nil, 0x24000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r1, &(0x7f0000010ff4)={0x10, 0x0, 0xffffffffffffffff, 0x120202}, 0xc) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv6_getanyicast={0x14, 0x3e, 0x800, 0x0, 0x0, {0xa}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x24004040) getsockname(r1, &(0x7f000001c000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @loopback}}}, &(0x7f000001cffc)=0x3a) ioctl$sock_FIOGETOWN(r2, 0x400454dc, &(0x7f0000000ffc)) 2018/02/23 16:04:53 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f000004f000)='/dev/snd/seq\x00', 0x0, 0x80) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f0000b1d000)={0x800}) 2018/02/23 16:04:53 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000320ff8)='/dev/sg#\x00', 0x0, 0x0) ioctl$KDMKTONE(r0, 0x227e, 0x0) ioctl$TIOCCONS(r0, 0x541d) 2018/02/23 16:04:53 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000080)='reno\x00', 0x5) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) [ 61.623429] [] ? SyS_futex+0x210/0x2c0 [ 61.628936] [] ? do_futex+0x15d0/0x15d0 [ 61.634530] [] ? security_file_ioctl+0x89/0xb0 [ 61.640730] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 61.647196] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:53 executing program 2: pipe(&(0x7f0000000000)={0x0, 0x0}) close(r0) ioctl$sock_inet_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000040)) mmap(&(0x7f0000000000/0x24000)=nil, 0x24000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r1, &(0x7f0000010ff4)={0x10, 0x0, 0xffffffffffffffff, 0x120202}, 0xc) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv6_getanyicast={0x14, 0x3e, 0x800, 0x0, 0x0, {0xa}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x24004040) getsockname(r1, &(0x7f000001c000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, @loopback}}}, &(0x7f000001cffc)=0x3a) ioctl$sock_FIOGETOWN(r2, 0x400454dc, &(0x7f0000000ffc)) [ 61.734639] FAULT_FLAG_ALLOW_RETRY missing 30 [ 61.739216] CPU: 0 PID: 8907 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 61.746808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.756136] 0000000000000000 703a663b773a5cee ffff8800ac4e7490 ffffffff81d03f6d [ 61.764109] ffff8800b3b6a780 1ffff1001589ce9f ffff8800ac4e7618 0000000000000000 [ 61.772083] 0000000000000000 ffff8800ac4e7640 ffffffff81607365 ffffffff81237470 [ 61.780049] Call Trace: [ 61.782609] [] dump_stack+0xc1/0x124 [ 61.787945] [] handle_userfault+0x715/0xf50 [ 61.793887] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.800870] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 61.807417] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 61.813793] [] ? retint_kernel+0x2d/0x2d [ 61.819474] [] ? do_raw_spin_lock+0x45/0x2c0 [ 61.825502] [] ? handle_mm_fault+0x291e/0x3190 [ 61.831700] [] handle_mm_fault+0x2938/0x3190 [ 61.837724] [] ? copy_page_range+0x1480/0x1480 [ 61.843922] [] ? __do_page_fault+0x780/0xa00 [ 61.849947] [] ? vmacache_find+0x57/0x290 [ 61.855712] [] __do_page_fault+0x35b/0xa00 [ 61.861562] [] do_page_fault+0x27/0x30 [ 61.867066] [] page_fault+0x28/0x30 [ 61.872315] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 61.879120] [] ? do_sys_poll+0x1a4/0xcc0 [ 61.884798] [] ? check_preempt_wakeup+0x53e/0xa70 [ 61.891257] [] ? SyS_pselect6+0x530/0x530 [ 61.897027] [] ? preempt_schedule+0x25/0x30 [ 61.902965] [] ? ___preempt_schedule+0x12/0x14 [ 61.909173] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 61.916068] [] ? try_to_wake_up+0x62/0xf60 [ 61.921920] [] ? plist_check_head+0x4a/0x60 [ 61.927856] [] ? wake_up_q+0xbe/0x130 [ 61.933275] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 61.940167] [] ? futex_wake+0x153/0x450 [ 61.945759] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.952748] [] ? userfaultfd_release+0x5a0/0x5a0 [ 61.959120] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.966098] [] ? recalc_sigpending+0x76/0xa0 [ 61.972122] [] ? __set_task_blocked+0x107/0x240 [ 61.978405] [] ? __set_current_blocked+0x4b/0xa0 [ 61.984778] [] ? retarget_shared_pending+0x210/0x210 [ 61.991497] [] ? __set_current_blocked+0x80/0xa0 [ 61.997866] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 62.004151] [] ? __set_current_blocked+0x80/0xa0 [ 62.010521] [] ? sigprocmask+0xef/0x290 [ 62.016112] [] ? sigsuspend+0x1f0/0x1f0 [ 62.021705] [] ? __might_fault+0x114/0x1d0 [ 62.027556] [] SyS_ppoll+0x1b1/0x3e0 2018/02/23 16:04:54 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) prctl$void(0x3e) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) r2 = mmap$binder(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x3000009, 0x8013, 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000001140)={0x58, 0x0, &(0x7f00000000c0)=[@acquire={0x40046305, 0x4}, @register_looper={0x630b}, @register_looper={0x630b}, @exit_looper={0x630d}, @reply={0x40406301, {0x3, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x38, 0x18, &(0x7f0000000040)=[@flat={0x0, 0x10a, r2, 0x4}, @fda={0x66646185, 0x7, 0x1, 0x2d}], &(0x7f0000000080)=[0x48, 0x38, 0x38]}}], 0x1000, 0x0, &(0x7f0000000140)="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"}) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:54 executing program 5: unshare(0x4040400) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) kexec_load(0x4, 0x1, &(0x7f00000000c0)=[{&(0x7f0000000040)="134f3b34badb3c118219bf4e79dc1ec8f8715520db286eec783772b723c0e1387f169da880b7c80d5a9df9fb7c7546f14963d5f5ef282de910c555356639446224fb4c4aa20ad9bc44aead770f81cbce", 0x50, 0x3, 0x6}], 0x3b0000) mount(&(0x7f00007a3ff8)='./file0\x00', &(0x7f00004f5ff8)='./file0\x00', &(0x7f00000e1000)='ramfs\x00', 0x8409, &(0x7f0000c81ffe)) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x40140, 0x80) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000100)={0x5, [0x3, 0x0, 0x8, 0x2, 0x1000]}, &(0x7f0000000140)=0xe) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000000100)={0x0, 0xbd, "0ed38d9acd713ea9167c83f9c2c92274bc6d9d3e882271ddae14d6bf32717d9aa6913082a734f97d7f62519c474e0438d8a39ffba0489e067d7fa69ac4954d4333fc04ef378203a5f8fae457104a1345afb02cb5a7d49d3ead3d1e839c1dc9a3486fb24907b98c685863b35fc2ab48a1d9860371a1901f3f3c8df35019fc2ea348aff8e86043f5ec34d23233615109f2e6744369575ea09f2dbddd24d2fce8aac8314ceffb10f5245bbb12991b68385eae1d9116142135fb7a088e394c"}, &(0x7f0000000200)=0xc5) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000240)={r1, 0x5}, 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000012ff8)='./file0\x00', 0x0, 0x0) fremovexattr(r2, &(0x7f0000000280)=@known='com.apple.system.Security\x00') 2018/02/23 16:04:54 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = accept4$ax25(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)=0x10, 0x0) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xd, 0x1010, r0, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) ioctl$TIOCSLCKTRMIOS(r2, 0x5457, &(0x7f0000000100)) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r1, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TIOCSWINSZ(r0, 0x5414, &(0x7f0000000040)={0x4, 0xfffffffffffffff7, 0xcf9, 0x3ff}) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000040)=0xe, 0x4) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000000080)=""/4096) 2018/02/23 16:04:54 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) flistxattr(r0, &(0x7f0000000080)=""/106, 0x6a) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x200000, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) fcntl$getownex(r1, 0x10, &(0x7f0000000000)={0x0, 0x0}) ptrace$cont(0x1f, r2, 0x800008001, 0x40) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f00000000c0)={0x0, @local, @multicast1}, &(0x7f0000000180)=0xc) fstat(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000240)={{{@in6=@remote={0xfe, 0x80, [], 0x0, 0xbb}, @in=@empty, 0x2, 0x0, 0x0, 0xfff, 0x2, 0xa0, 0x80, 0x7f, r3, r4}, {0xdd5, 0x7, 0x4, 0x9, 0x7, 0x1f, 0x3709, 0x8000}, {0x55, 0x8001, 0x7, 0x7}, 0x7, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x2}, {{@in6=@ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x0, 0xaa}}, 0x0, 0x6c}, 0xa, @in=@empty, 0x7, 0x0, 0x1, 0x5, 0x1, 0x596, 0x7}}, 0xe8) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f0000000340)={{0x80, 0x6}, {0x8, 0xb8e}, 0x1, 0x4, 0x5b5}) fcntl$getflags(r1, 0x40b) 2018/02/23 16:04:54 executing program 7: pipe2(&(0x7f0000000040)={0x0, 0x0}, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40087705, &(0x7f0000000040)={0x9, 0x2}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCDELRT(r1, 0x890c, &(0x7f0000000040)={0x0, {0x2, 0xffffffffffffffff, @dev={0xac, 0x14}}, {0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x2, 0xffffffffffffffff, @broadcast=0xffffffff}}) 2018/02/23 16:04:54 executing program 3: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f0000000040)={0x0, @in6={{0xa, 0x2, 0x8, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x8001}}, 0xffff, 0x3f}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000140)={r1, 0x100000000, 0x10, 0x100000001, 0x7fff}, &(0x7f0000000180)=0x18) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r0, 0xc08c5335, &(0x7f00000001c0)={0xfffffffffffffefb, 0x6, 0x15, 'queue1\x00', 0x3ff}) r2 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x80) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r2, 0xc0bc5310, &(0x7f0000047f44)={0x0, 0x0, 'client1\x00', 0x0, "d3a4fc4d038cf1cc", "02e0cd799594cc43be707303074dd4c45fd46586eb625c2c6383b9c0ad0949f7"}) 2018/02/23 16:04:54 executing program 2: mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x8000000000000003, 0x31, 0xffffffffffffffff, 0x3) futex(&(0x7f0000000040)=0x4, 0x0, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000000080), 0x0) r0 = gettid() r1 = memfd_create(&(0x7f00000000c0)='keyring\x00', 0x2) ioctl$EVIOCGBITSW(r1, 0x80404525, &(0x7f0000000100)=""/149) timer_create(0x0, &(0x7f00005b6000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r0, 0x1000000000016) accept4$ipx(r1, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000000040), 0x0) waitid(0x1, r0, &(0x7f00000001c0), 0x1, &(0x7f0000000200)) 2018/02/23 16:04:54 executing program 7: r0 = memfd_create(&(0x7f000003e000)='@&prockeyring\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000f36000)='/dev/snd/seq\x00', 0x0, 0x8000000000102) r2 = dup2(r1, r0) write$sndseq(r2, &(0x7f0000e6ffd0)=[{0x5, 0x0, 0x0, 0x3fd, @tick, {}, {}, @connect}], 0x30) 2018/02/23 16:04:54 executing program 3: r0 = eventfd2(0x800000000000009, 0x0) write$eventfd(r0, &(0x7f000000aff8)=0xfffffffffffffffa, 0x8) r1 = memfd_create(&(0x7f0000000000)="042e00", 0x2) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) write$eventfd(r0, &(0x7f0000475ff8), 0x8) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x0, 0x0) getsockname$llc(r2, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f0000000080)=0x10) read$eventfd(r0, &(0x7f0000f3c000), 0x8) [ 62.032884] [] ? SyS_poll+0x3f0/0x3f0 [ 62.038298] [] ? SyS_futex+0x210/0x2c0 [ 62.043802] [] ? do_futex+0x15d0/0x15d0 [ 62.049396] [] ? security_file_ioctl+0x89/0xb0 [ 62.055592] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 62.062050] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:54 executing program 7: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x0, 0x0) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000000040)={{0xa, 0x0, 0xffffffff, @mcast2={0xff, 0x2, [], 0x1}, 0x3ff}, {0xa, 0x2, 0xff, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x2}, 0x9, [0x10000, 0x3, 0x9, 0x7, 0x1000, 0x8a, 0x9, 0x3]}, 0x5c) ftruncate(r0, 0x2) r1 = socket$key(0xf, 0x3, 0x2) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x400001, 0x0) sendmsg$key(r1, &(0x7f0000196fe4)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000000000)={0x2, 0x6, 0x0, 0x0, 0x2, 0x0, 0x0, 0xffffffffffffffff, []}, 0x10}, 0x1}, 0x0) [ 62.120074] FAULT_FLAG_ALLOW_RETRY missing 30 [ 62.125846] CPU: 1 PID: 8926 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 62.133472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.142802] 0000000000000000 265a9818eb81348b ffff8800b53a7490 ffffffff81d03f6d [ 62.150776] ffff8801d5206a80 1ffff10016a74e9f ffff8800b53a7618 0000000000000000 [ 62.158748] 0000000000000000 ffff8800b53a7640 ffffffff81607365 ffffffff81237470 [ 62.166725] Call Trace: [ 62.169288] [] dump_stack+0xc1/0x124 [ 62.174625] [] handle_userfault+0x715/0xf50 [ 62.180574] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.187561] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 62.193937] [] ? handle_mm_fault+0xb5d/0x3190 [ 62.200054] [] ? userfaultfd_poll+0x180/0x180 [ 62.206167] [] ? handle_mm_fault+0x291e/0x3190 [ 62.212368] [] handle_mm_fault+0x2938/0x3190 [ 62.218396] [] ? copy_page_range+0x1480/0x1480 [ 62.224598] [] ? __do_page_fault+0x780/0xa00 [ 62.230627] [] ? vmacache_find+0x57/0x290 [ 62.236393] [] __do_page_fault+0x35b/0xa00 [ 62.242249] [] do_page_fault+0x27/0x30 [ 62.247756] [] page_fault+0x28/0x30 [ 62.253005] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 62.259815] [] ? do_sys_poll+0x1a4/0xcc0 [ 62.265494] [] ? check_preempt_wakeup+0x53e/0xa70 [ 62.271956] [] ? SyS_pselect6+0x530/0x530 [ 62.277726] [] ? preempt_schedule+0x25/0x30 [ 62.283667] [] ? ___preempt_schedule+0x12/0x14 [ 62.289868] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 62.296764] [] ? try_to_wake_up+0x62/0xf60 [ 62.302617] [] ? plist_check_head+0x4a/0x60 [ 62.308555] [] ? wake_up_q+0xbe/0x130 [ 62.313975] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 62.320869] [] ? futex_wake+0x153/0x450 [ 62.326465] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.333451] [] ? avc_ss_reset+0x110/0x110 [ 62.339219] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.346200] [] ? recalc_sigpending+0x76/0xa0 [ 62.352228] [] ? __set_task_blocked+0x107/0x240 [ 62.358515] [] ? __set_current_blocked+0x4b/0xa0 [ 62.364888] [] ? retarget_shared_pending+0x210/0x210 [ 62.371612] [] ? __set_current_blocked+0x80/0xa0 [ 62.377993] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 62.384283] [] ? __set_current_blocked+0x80/0xa0 [ 62.390656] [] ? sigprocmask+0xef/0x290 [ 62.396247] [] ? sigsuspend+0x1f0/0x1f0 [ 62.401839] [] ? __might_fault+0x114/0x1d0 [ 62.407693] [] SyS_ppoll+0x1b1/0x3e0 [ 62.413026] [] ? SyS_poll+0x3f0/0x3f0 [ 62.418447] [] ? SyS_futex+0x210/0x2c0 [ 62.423954] [] ? do_futex+0x15d0/0x15d0 [ 62.429546] [] ? security_file_ioctl+0x89/0xb0 [ 62.435749] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 62.442212] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:54 executing program 5: mmap(&(0x7f0000000000/0xff7000)=nil, 0xff7000, 0x0, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x80000) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) r2 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_opts(r2, 0x0, 0x4, &(0x7f0000aa8000)='\a', 0x1) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/mls\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r0, 0xc0bc5351, &(0x7f0000000080)={0x3, 0x2, 'client1\x00', 0x4, "d15d20711af6857e", "2ad55c80e4345029fbe8b82f452d577398c8b2d0cf1adabeef734d72d1ecccdb", 0x3, 0x100000000}) 2018/02/23 16:04:54 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) getsockname$unix(r0, &(0x7f0000000040)=@file={0x0, ""/108}, &(0x7f00000000c0)=0x6e) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:54 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x7, 0x2102) ioctl$SIOCSIFHWADDR(r1, 0x8924, &(0x7f0000000040)={@common='rose0\x00', @ifru_addrs=@nl=@proc={0x10, 0x0, 0x0, 0x200020}}) ioctl$sock_inet_SIOCGARP(r1, 0x8954, &(0x7f00000000c0)={{0x2, 0x2, @rand_addr=0x68a6}, {0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x7e, {0x2, 0x3, @dev={0xac, 0x14, 0x0, 0xb}}, @common='bridge0\x00'}) ioctl$KDSKBLED(r1, 0x4b65, 0xff) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000140)) sendmsg$key(r0, &(0x7f000010bfc8)={0x0, 0x0, &(0x7f0000a8fff0)={&(0x7f0000e16000)={0x2, 0xb, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, [@sadb_x_sec_ctx={0x1, 0x18}]}, 0x18}, 0x1}, 0x0) 2018/02/23 16:04:54 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = dup(r0) connect$ax25(r1, &(0x7f0000000000)={0x3, {"580c8cf4be7f76"}}, 0x10) 2018/02/23 16:04:54 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x1050, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:54 executing program 7: r0 = socket$inet(0x2, 0x1, 0x0) mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0xfffffffffffffffc, 0x8972, 0xffffffffffffffff, 0x0) r1 = fcntl$getown(r0, 0x9) tkill(r1, 0x14) connect$inet(r0, &(0x7f00009322c4)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) connect$inet(r0, &(0x7f000096dff0)={0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, 0x10) 2018/02/23 16:04:54 executing program 2: pipe(&(0x7f0000000000)={0x0, 0x0}) mq_timedsend(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000000140)) listen$netrom(r1, 0x0) 2018/02/23 16:04:54 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f0000000080)={0x4, 0x0, 0x6, 0x1, 0x8001, 0xf8}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:54 executing program 5: pselect6(0x40, &(0x7f00000abfc0), &(0x7f0000000000), &(0x7f00007fbfc0), &(0x7f0000f22000)={0x0, 0x989680}, &(0x7f0000f14000)={&(0x7f000071fff8), 0x8}) 2018/02/23 16:04:54 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000fe8)={0xaa}) r1 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000019fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) pwritev(r0, &(0x7f0000000500)=[{&(0x7f0000000000)="c665edd4399affacc98f95c1477bb9e365218e5aa46d28cf6f4d9abdedc5f3db4c5a5d8b186415951697171b7531c2c33f9490406b", 0x35}, {&(0x7f0000000040)="42cc17ff21288f9bed6f6c71a36f103bf937cbdcf1a779a1a703f8bd5accfef5a8fa37498ea2c2e47aec6bbb4cb7609e14b55979beeb66f6c642", 0x3a}, {&(0x7f0000000080)="23951c09a5e81a75e9d6ac382e25dc47572a6b70215893a9e5216623f7bac32114f3ef73deb13dd122b38815ebe5a904b5a16d778718d00d881f8fb06302280c798071500a", 0x45}, {&(0x7f0000000100)="60319c696b6a4a6ad5f306cbd3aeac1266ced75275492d6f7ad06ba659a83c70aa99874d68e8ba46e02b02fa0eed45749b29a35b53555ceb350301c3aa5c04e48b580269d5aa42607bbfa44775b9ed023bd68f7a8d8bb451be82011f816df57728086769faadac81b2c5d8df14f0f3e3aac5b41d101d115bc9c9f4de981d37660e43bb7437610112c945bb3056ab0a6c2d80cde48ed0ac1bbe15ab38649b90accb8ffe7c24c229594f7161e86834f4e0430aa6fd", 0xb4}, {&(0x7f00000001c0)="591fdd8299e21b7612d435f8d144cace813653b8388e78bfda9af6c88f23fb11ca610b150db3fae818d43c1f53b4ba264f442ffeaa792fe4aa0cec11a09a44ba1c89ec2ceaa2e6e0af6f401846d70ac31be020d96d2b484c8d1dff656ac3f3847ca2dca4694fde57d378e6b23b618cf5ce031a6b827accab8da67a6b2dcffcfeedebd036c5c082ed8d5c1ce92d411515ebadcce3458f70cc1c7b540b0c", 0x9d}, {&(0x7f0000000280)="c753e4854235a358d3edd380b51b9c0ab1c40f7a77ef4b22c21d09df7f57a8225c87c5f668a30d91d405c30eb6222766d6a96a8da9a42dfb87742adc896c51da8349a77ac39d15bd055353af46ae491a54369aeff8afabe52d2b256e130ab85f8ae3b7b3f3de8ab7d7828f9e30cf9ad83af8b7abf5e7af77320d29f0aa2a93080a621276be0d73d144d6d9bb1e582a106b7d3b057b2648ac32b3f5c6e499f55bbd1f0c9efcfd9f22291bf49b8ed384143026d8d5a48d88b69c39282d2b7e3d9d4d6f6103b6f677d031670306d612a2f11860c3fa06", 0xd5}, {&(0x7f0000000380)="7037eb7c5e07185f5847b9f0180e5bf5587de85fc82ef343bbe1a7f1a072a33c489abe9ae53b78dea5173df7264d559599e2817cacf0757713203229d88c0d095104e653a1570891e537203ee0e61e49f45f32c7a267ccbf91dca368f1f963b1fad649a0edb211757cc3c1de6e8e6d4e89ff6bff82def241fb1de3c5671e0a13ceab088e293ec03cd4cfa6f41df1173018daa4542dd67c05650c0c967d8cd2f37aaabb2d55524ee0b7e995c2819fd47fccaf991c6dab1f62f5091c2c5731ef641edbb104598903e6fbbd863b50b0b48ae43cde7f84c560beb784", 0xda}, {&(0x7f0000000480)="7dffe465d4160a5efe418cc1226e4f035b6e86a9ffc9706e21fe70480b1f83c3193c456e37aacb5dcc96f90db4bb7a6cd908ba09c2890b289cb1bcd285a78be9efc2888ada038ad57069c837fdd86b941e8b148a1df809feb22b1383a2c1f85ed194789de2270080e216b368fc90", 0x6e}], 0x8, 0x0) close(r1) r2 = memfd_create(&(0x7f0000000040)="112c736563757269747970726f632e2e00", 0x2) pwritev(r2, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fcntl$addseals(r1, 0x409, 0x0) write$selinux_load(r2, &(0x7f0000000380)={0xf97cff8c, 0x8, 'SE Linux'}, 0x10) close(r0) 2018/02/23 16:04:54 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000040)={&(0x7f0000011000/0x3000)=nil, 0x3000}) pipe2(&(0x7f0000000140)={0x0, 0x0}, 0x4000) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f0000000180)=0x80000000, 0x4) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:54 executing program 7: r0 = socket$inet(0x2, 0x1, 0x0) mmap(&(0x7f000092d000/0x400000)=nil, 0x400000, 0xfffffffffffffffc, 0x8972, 0xffffffffffffffff, 0x0) r1 = fcntl$getown(r0, 0x9) tkill(r1, 0x14) connect$inet(r0, &(0x7f00009322c4)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) connect$inet(r0, &(0x7f000096dff0)={0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, 0x10) 2018/02/23 16:04:54 executing program 7: mincore(&(0x7f0000f0c000/0x3000)=nil, 0x0, &(0x7f0000afaf0a)=""/246) mincore(&(0x7f0000f0c000/0x9000)=nil, 0x9000, &(0x7f0000000000)=""/4) 2018/02/23 16:04:54 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) [ 62.650475] FAULT_FLAG_ALLOW_RETRY missing 30 [ 62.656497] CPU: 0 PID: 8989 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 62.664118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.673442] 0000000000000000 65f183134eff65f2 ffff8800abf57490 ffffffff81d03f6d [ 62.681404] ffff8801d5206f00 1ffff100157eae9f ffff8800abf57618 0000000000000000 [ 62.689361] 0000000000000000 ffff8800abf57640 ffffffff81607365 ffffffff81237470 [ 62.697313] Call Trace: [ 62.699870] [] dump_stack+0xc1/0x124 [ 62.705201] [] handle_userfault+0x715/0xf50 [ 62.711141] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.718121] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 62.724494] [] ? handle_mm_fault+0xb5d/0x3190 [ 62.730605] [] ? userfaultfd_poll+0x180/0x180 [ 62.736717] [] ? handle_mm_fault+0x291e/0x3190 [ 62.742915] [] handle_mm_fault+0x2938/0x3190 [ 62.748943] [] ? copy_page_range+0x1480/0x1480 [ 62.755141] [] ? __do_page_fault+0x780/0xa00 [ 62.761164] [] ? vmacache_find+0x57/0x290 [ 62.766930] [] __do_page_fault+0x35b/0xa00 [ 62.772780] [] do_page_fault+0x27/0x30 [ 62.778285] [] page_fault+0x28/0x30 [ 62.783529] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 62.790336] [] ? do_sys_poll+0x1a4/0xcc0 [ 62.796014] [] ? check_preempt_wakeup+0x53e/0xa70 [ 62.802475] [] ? SyS_pselect6+0x530/0x530 [ 62.808241] [] ? preempt_schedule+0x25/0x30 [ 62.814180] [] ? ___preempt_schedule+0x12/0x14 [ 62.820382] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 62.827276] [] ? try_to_wake_up+0x62/0xf60 [ 62.833130] [] ? plist_check_head+0x4a/0x60 [ 62.839068] [] ? wake_up_q+0xbe/0x130 [ 62.844486] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 62.851378] [] ? futex_wake+0x153/0x450 [ 62.856970] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.863950] [] ? userfaultfd_release+0x5a0/0x5a0 [ 62.870324] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.877302] [] ? recalc_sigpending+0x76/0xa0 [ 62.883326] [] ? __set_task_blocked+0x107/0x240 [ 62.889610] [] ? __set_current_blocked+0x4b/0xa0 [ 62.895990] [] ? retarget_shared_pending+0x210/0x210 [ 62.902708] [] ? __set_current_blocked+0x80/0xa0 [ 62.909081] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 62.915367] [] ? __set_current_blocked+0x80/0xa0 [ 62.921741] [] ? sigprocmask+0xef/0x290 [ 62.927333] [] ? sigsuspend+0x1f0/0x1f0 [ 62.932932] [] ? __might_fault+0x114/0x1d0 [ 62.938785] [] SyS_ppoll+0x1b1/0x3e0 [ 62.944114] [] ? SyS_poll+0x3f0/0x3f0 [ 62.949537] [] ? SyS_futex+0x210/0x2c0 [ 62.955040] [] ? do_futex+0x15d0/0x15d0 [ 62.960632] [] ? security_file_ioctl+0x89/0xb0 [ 62.966832] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 62.973290] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:55 executing program 7: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f0000000080)={0x4, 0x0, 0x6, 0x1, 0x8001, 0xf8}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:55 executing program 5: umount2(&(0x7f00008ebff8)='./file0\x00', 0x0) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2, 0x0) time(&(0x7f00000002c0)) alarm(0x4000000002) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000040)={0x0, 0x400}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000000c0)={r1, @in6={{0xa, 0x1, 0x3, @loopback={0x0, 0x1}, 0xeba4}}, 0x4, 0x60000}, 0x98) 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000000080)='/dev/loop#\x00', 0x0) getsockopt$inet_tcp_buf(r1, 0x6, 0x3d, &(0x7f00000000c0)=""/253, &(0x7f00000001c0)=0xfd) syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x80100) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) epoll_wait(r1, &(0x7f0000000040)=[{}, {}, {}, {}, {}], 0x5, 0xffffffffffff7fff) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x3) 2018/02/23 16:04:55 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x33, &(0x7f0000934000), 0x0) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x2, 0x0) ioctl$KDSETMODE(r1, 0x4b3a, 0x20) 2018/02/23 16:04:55 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) flock(r0, 0x2) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) pipe2(&(0x7f0000000040)={0x0, 0x0}, 0x4800) ioctl$DRM_IOCTL_VERSION(r1, 0xc0406400, &(0x7f0000000280)={0x401, 0x5, 0xfffffffffffffffa, 0xe0, &(0x7f0000000080)=""/224, 0x4c, &(0x7f0000000180)=""/76, 0x71, &(0x7f0000000200)=""/113}) 2018/02/23 16:04:55 executing program 2: r0 = userfaultfd(0x0) r1 = gettid() r2 = fcntl$dupfd(r0, 0x0, r0) ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0x9) ptrace$setregset(0x4205, r1, 0xffffffffffffffff, &(0x7f0000006ff6)={&(0x7f0000000000)="18", 0xffffffffffffffbc}) ioctl$LOOP_CLR_FD(r2, 0x4c01) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000006000)={0xaa}) mprotect(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x1) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000006ffc)={{&(0x7f0000009000/0x4000)=nil, 0x4000}, 0x1}) socketpair(0x9, 0x5, 0x6, &(0x7f0000000040)={0x0}) ioctl$TIOCMBIC(r3, 0x5417, &(0x7f0000000080)=0x10000) 2018/02/23 16:04:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) getuid() ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000040)) fstat(r3, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TUNSETOWNER(r3, 0x400454cc, &(0x7f00000000c0)=r4) 2018/02/23 16:04:55 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000000180)={0xfffffffffffffffc, 0x100, 0x80, 'queue0\x00', 0x80000001}) 2018/02/23 16:04:55 executing program 5: syz_extract_tcp_res(&(0x7f0000000000), 0x0, 0xfffffffffffffffe) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000000)={&(0x7f0000de2ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000d7efec)={0x14, 0x3, 0x5, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, {}, []}, 0x14}, 0x1}, 0x4000000000000000) [ 63.081154] FAULT_FLAG_ALLOW_RETRY missing 30 [ 63.085765] CPU: 1 PID: 9008 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 63.093372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.102708] 0000000000000000 1f8628c596e6fa3d ffff8800adec7490 ffffffff81d03f6d [ 63.110680] ffff8800b3b6ac00 1ffff10015bd8e9f ffff8800adec7618 0000000000000000 [ 63.118653] 0000000000000000 ffff8800adec7640 ffffffff81607365 ffffffff81237470 [ 63.126620] Call Trace: [ 63.129182] [] dump_stack+0xc1/0x124 [ 63.134519] [] handle_userfault+0x715/0xf50 [ 63.140461] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.147443] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 63.153820] [] ? handle_mm_fault+0xb5d/0x3190 [ 63.159933] [] ? userfaultfd_poll+0x180/0x180 [ 63.166047] [] ? handle_mm_fault+0x291e/0x3190 [ 63.172248] [] handle_mm_fault+0x2938/0x3190 [ 63.178276] [] ? copy_page_range+0x1480/0x1480 [ 63.184479] [] ? __do_page_fault+0x780/0xa00 [ 63.190507] [] ? vmacache_find+0x57/0x290 [ 63.196275] [] __do_page_fault+0x35b/0xa00 [ 63.202132] [] do_page_fault+0x27/0x30 [ 63.207641] [] page_fault+0x28/0x30 [ 63.212892] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 63.219702] [] ? do_sys_poll+0x1a4/0xcc0 [ 63.225382] [] ? check_preempt_wakeup+0x53e/0xa70 [ 63.231842] [] ? SyS_pselect6+0x530/0x530 [ 63.237612] [] ? preempt_schedule+0x25/0x30 [ 63.243554] [] ? ___preempt_schedule+0x12/0x14 [ 63.249756] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 63.256651] [] ? try_to_wake_up+0x62/0xf60 [ 63.262506] [] ? plist_check_head+0x4a/0x60 [ 63.268446] [] ? wake_up_q+0xbe/0x130 [ 63.273869] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 63.281023] [] ? futex_wake+0x153/0x450 [ 63.286617] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.293602] [] ? userfaultfd_release+0x5a0/0x5a0 [ 63.299976] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.306957] [] ? recalc_sigpending+0x76/0xa0 [ 63.312987] [] ? __set_task_blocked+0x107/0x240 [ 63.319275] [] ? __set_current_blocked+0x4b/0xa0 [ 63.325649] [] ? retarget_shared_pending+0x210/0x210 [ 63.332376] [] ? __set_current_blocked+0x80/0xa0 [ 63.338752] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 63.345044] [] ? __set_current_blocked+0x80/0xa0 [ 63.351423] [] ? sigprocmask+0xef/0x290 [ 63.357017] [] ? sigsuspend+0x1f0/0x1f0 [ 63.362613] [] ? __might_fault+0x114/0x1d0 [ 63.368465] [] SyS_ppoll+0x1b1/0x3e0 [ 63.373800] [] ? SyS_poll+0x3f0/0x3f0 2018/02/23 16:04:55 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x3, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000fd0000), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x3, @loopback=0x7f000001}, 0x10) recvmmsg(r0, &(0x7f0000069000)=[{{&(0x7f0000de1ff0)=@can, 0x10, &(0x7f000044b000)=[{&(0x7f0000985f6d)=""/147, 0x93}], 0x1, &(0x7f00009eafdd)=""/35, 0x23}}], 0x1, 0x120, &(0x7f00000f8ff0)) sendto$inet(r0, &(0x7f00006fd000)="c3", 0x1, 0x0, &(0x7f0000e66000)={0x2, 0xffffffffffffffff, @rand_addr}, 0x10) timer_create(0x0, &(0x7f000030c000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000264ffc)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000000)={0x0, 0xca, "625c8a9c3d57a5a88fcedc65fc1a25faf9421dfedc0df361194b9278526d31f98127af17b30d84877c24c10a7931f77fe7ff51663b767ed20c35a71790a4b329e5ec62aab3f6f8256444eddc6724b04038ab13cb26562037293168b1d11222fb14c70c49ce4a2b0757f4b9a5815d54bd15dc1c4b234ca1dbd41e3c11dc41a453490558b968dee1cedb2613f2ab666f68e642f302805d2218a102f9983ec85f97db1749b8c19c2226b181069ce83a78daf515a51367cd0f20e04dd7c0020dd7c0068a56319925fd86eca0"}, &(0x7f0000000100)=0xd2) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000140)={r1, 0xffffffffffffff7f}, 0x8) r2 = gettid() tkill(r2, 0x16) ptrace$poke(0x5, r2, &(0x7f0000000000), 0x7ff) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ppp\x00', 0x8000, 0x0) ioctl$KDGKBMODE(r3, 0x4b44, &(0x7f00000001c0)) 2018/02/23 16:04:55 executing program 5: lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) r0 = socket$netlink(0x10, 0x3, 0x8000000000200e) r1 = memfd_create(&(0x7f0000000000)='lo#\x00', 0x2) ioctl$TUNSETNOCSUM(r1, 0x400454c8, &(0x7f0000000040)=0x200) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000080)={@generic, @ifru_addrs=@sco}) sendmsg$nl_route(r0, &(0x7f0000002fe4)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000000000)=@ipv6_newroute={0xb8, 0x18, 0x781a241f, 0xffffffffffffffff, 0xffffffffffffffff, {0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@RTA_MULTIPATH={0x14, 0x9, [{0x9}, {}]}, @RTA_METRICS={0x88, 0x8, "8200106b2fbf63a425238e5946b775175da4c25257282298148ceef06464926e00fa5f73693d3fda29aa099a7437572c83e9e992bd8dc8f59e919303b40339b561b0f7ba05481f6c9f4fd2991c52b42266034e386d66dc781e5547908553a77e0b6fa2edeedd6e19622fb8e4005677b3aca379c80fc11735039f2aa6fb565277ad"}]}, 0xb8}, 0x1}, 0x0) 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:55 executing program 3: syz_open_procfs(0x0, &(0x7f000047d000)='pagemap\x00') mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) fremovexattr(r0, &(0x7f0000012000)=@known='com.apple.FinderInfo\x00') pread64(r0, &(0x7f0000fd7000)=""/8, 0xffffffffffffffe3, 0x2) 2018/02/23 16:04:55 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x7, 0x40) setsockopt$inet6_int(r0, 0x29, 0x7e, &(0x7f0000000080)=0x6, 0x2cc) accept4$packet(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f00000000c0)=0x14, 0x800) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000abdfc8)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f00001dcf48)={0x2, 0xa, 0x0, 0x0, 0x16, 0x0, 0x1, 0xffffffffffffffff, [@sadb_lifetime={0x4, 0x3, 0x4}, @sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0xffffffffffffffff, 0x0, @empty}}, @sadb_lifetime={0x4, 0x4}, @sadb_sa={0x2, 0x1}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0xffffffffffffffff, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}}}]}, 0xb0}, 0x1}, 0x0) 2018/02/23 16:04:55 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000e38000)='maps\x00') preadv(r0, &(0x7f0000176000)=[{&(0x7f0000000000)=""/209, 0xd1}], 0x1, 0x0) 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x5, 0x4) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) pipe2(&(0x7f0000000000)={0x0}, 0x4800) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000000040)) [ 63.379218] [] ? SyS_futex+0x210/0x2c0 [ 63.384725] [] ? do_futex+0x15d0/0x15d0 [ 63.390319] [] ? security_file_ioctl+0x89/0xb0 [ 63.396517] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 63.402977] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:55 executing program 3: r0 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x27fffc) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000c9dfec)={0x3, 0x0, 0x0, 0xffffffffffffffff, 0x1}) 2018/02/23 16:04:55 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick, 0x0, {0x400000000000}, 0x0, 0x4}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:55 executing program 2: mkdir(&(0x7f000082f000)='./control\x00', 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = creat(&(0x7f000028f000)='./control/file0\x00', 0x0) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) unlink(&(0x7f0000f86000)='./control/file0\x00') rmdir(&(0x7f000015dff6)='./control\x00') ioctl$DRM_IOCTL_DROP_MASTER(r1, 0x641f) unlink(&(0x7f0000092ff0)='./control/file2\x00') utimes(&(0x7f0000e2eff6)='./control\x00', &(0x7f00008b7000)={{}, {0x77359400}}) close(r0) 2018/02/23 16:04:55 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000013000/0x2000)=nil, 0x2000}, 0x401}) ppoll(&(0x7f0000000040)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = fcntl$getown(r0, 0x9) sched_setscheduler(r1, 0x7, &(0x7f00000000c0)=0x1) creat(&(0x7f0000000080)='./file0\x00', 0x100) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:55 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) openat$keychord(0xffffffffffffff9c, &(0x7f0000000040)='/dev/keychord\x00', 0x80000, 0x0) 2018/02/23 16:04:55 executing program 7: r0 = epoll_create1(0x0) clone(0x0, &(0x7f0000c8d000), &(0x7f0000475000), &(0x7f00000f4000), &(0x7f00003a3f08)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000882e1b)={0x2, &(0x7f0000e9b000)=[{0x45}, {0x6}]}, 0x10) sendto$unix(r1, &(0x7f0000000080)="cd", 0x1, 0x0, &(0x7f0000000040)=@abs, 0x8) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x400000, 0x0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmmsg$nfc_llcp(r2, &(0x7f0000005c80)=[{&(0x7f0000000040)={0x27, 0x1, 0xb69, 0x7, 0xfffffffffffffe01, 0xfffffffffffffff8, "71f076ee4faf664f6a5431c59a5d99c12019bcd7740d5a75d817c51bc275d49520c20e14d569eb1cb61eb2b4e949890924e7dd81ba81e7af1ab690bcdc352e", 0x1}, 0x60, &(0x7f00000035c0)=[{&(0x7f00000000c0)="09b3bea1e7a53ce46413d0123331a2a942f8977a0abac8193a71bbf5eef41411e393ff040bd858ffe7da5bc3c4d150ec8a19123cf99177b0dcd97e339a8c459a579e1a883e6a2295aea5bec0348852f3dad2482fe7349be08e00542f96303f7c15dc6fd31d6d5e8fe5070fea1e3eea61473e69f7ace3c379931aabad25abddaae3167b777fb2b13bd1a2bc9cc2891198ae590014d4bb0260b4342503d8617b38e8dbce362f8aaed2d917a28012199d1cab4dd059acf63037eb11d87cadcf059dc8e9aa05824d35b58807b05f04398e02db101c6462b5dd000b693a489c1c0e14209342a3f1e938894f8069deb47fe617fa3b", 0xf2}, {&(0x7f00000001c0)="12cff8fad2b0e278e0cf8e847df592a53563705adbedb0c7b3a07ca50e38bbd85326e95738b3930f38144e90ca4da7e8c4f407041243ad94ab09bdc43d13cb2d386d2d594fc4dc687305c25df03b4e049f57a98029def485f0536bb53af6dffd398ba9e8226dcc0fedb59ee9378ee0e4f4865ffae5fafc57b7b2b19e465c7e1d6ce9a809efbf13494f8f2d4763ff94df3072d29e76b19a7caa2a3d42afe9fa892d522a8884e22d06ff6af8b083455eb9979021cdd0ac9fa124af25d29400dd5be68700376007048762625e", 0xcb}, {&(0x7f00000002c0)="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0x1000}, {&(0x7f00000012c0)="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", 0xfe}, {&(0x7f00000013c0)="dd43a5c0c2e47a869e513417fe04efb97870d4880edd10e5eb4462d61bf650ffdf9ffeeaf1997ddddd5c6db98b10038c3ba26b7689d80af5cdd7f72f08f9436a132f6a5d90a3d2410504d8e99d25e8881c3997316afb1d64b144c9455e3ec94f92ece6f442bb9f093e9a4f9457855a5084241cb190c305ee775f49c818584f280b1927c468ef8468ff5017b69e0f8d03174cb4c2e912ba333f01", 0x9a}, {&(0x7f0000001480)="bdacf6c43ad70c", 0x7}, 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0x1000}, {&(0x7f0000004900)="43baeec04b9cc0ad7b24ee392828d076021c6e5bcdfe79e0ff0120fd53e2de5dec1e18c652dc82031ed88ec3feadbb7ad3a827615889121e1a3ac235cb9e97893eca755e760b6f92", 0x48}], 0x6, &(0x7f0000004a00)={0x68, 0x11e, 0x20, "d8cf7dc56bfd1ed3e9767a73ab78b4034322e1a84a983c3823a02283630d8fc996fa52bf9c74108a5e569d0b2c55a722af26cfffb29c89b95187e8df0ddf53b1079210e0d90c1d2ab3cec3dc7466a128628f21bf6b9aae54"}, 0x68, 0x1}, {&(0x7f0000004a80)={0x27, 0x5, 0x6, 0x7, 0x6, 0x9, "ad8d0fd3b03f41940a29eb9093af19f864bffa6f990b1b095aa6892b36b1980e84546ce9a5097e07cface1fb945c73a12cc080067511a9a7d6879cfb11823a", 0x7}, 0x60, &(0x7f0000005c00)=[{&(0x7f0000004b00)="d01a1c8e695e1934e83b188e685e4082b3ac0c05ef6be6b27133dfc32709f9359a0e", 0x22}, {&(0x7f0000004b40)="ae4846302cb1de365afd34e14327d5bbc050de7bd8d6d3b0a087f182a3ba068a12dd98c1309174e92cfb360f57a0d316392fda3bfa6688c26887bf149d542023015e7a2b89ea4d12ed45f9ad688be260b803848a9b9b0cfd6836b5a0d8bb3b61568b43851c1f3fadf8d9ec502b8a9509220f1a21e1ed80978a71a901bf907918804a11ae507bf15b2dc6b454b42a74ebc6aa9e171401dc431c396c44f2d25ea91fc0b94a8c04e5019c030b8b4f735430cefecd8e614b1cbae10187f9e86401aac183598741713e0f9cf92ff962e538d0f379ee42493d830554110b8db81a2a4a63067a1ef281f73557fbdf25d793fa8a021b0a74f8311a77b922e57528952b286738268e34c1f7e7dc1dea5212868324b1dd4a2ceebad528ea3edcb08c179976af92c2b169b7e1f571876f39c65da8c6d6af9d463c5580ae1254cbac11730f2fe438a8ba3bfb8785154b661c00bb6ce776dee17e49627810109b00748111b243b94116a3a5d65d41c806ce3fdfa33199d862fad5522e66ae87e6aa8c4b307c43a37be7ea9ea7597eb65e5a1f7c333cf1cc848d3490f9c58a9766ea5476388d827b8f40986ad39e5054a697c3e1feffb450426fdf198cb6828a555593742e8034848005609e412529d70bb555bcc4d9674beae5e9a800ddd8bef042763cdcfd4f0d224f76b3469eef8e1b0a151e2fd972ebc9d1560ba00f0608083b20bae2bce61a95ca236c5cf014e6532e017e823cb5539deabf9cb91664d08126685ae2336520453abecd1a7b562e5f508657639f3572c015fd1107cb8f2fe5a94053e2ec1224efe3868155e4e80c52d77e581e78fe9bcbeb19ee1abfae8e0e81002b3eae1a2fbd0e0d302899d30e457d449b56cd739497bcef797886fec9b98871f9e52d437771232b67c61893aabdf5012c1f47b6727eb6e1502669c1067573f7739c573d5047b0171edd0bb3cf911353e059984686001adc3376d106870947707e1d5f553f94c78bff5939af5b77a6811e0a38a3439ea1e74d1fd9af9a810d75e635dd59b15d9935649a5c0b9f7245f7a0b0c8c4faac3a64788f8aba28fa5ffce87dd8f932a4145e5bf1a1ab0a14948a940e138ae4e7232c6f8916d1166e4c16667f2cfe38ac242b31dbc9b25dff7a894e93b326df0f8883fc511fcf6739ec08a082ae023cedde077e093d238b0e0b81d34e6cee2e2f64dcb79bcc9e0bf1c8ff148446e037c2591fdae5019ccb79619386af6360f87ae9fdc806508311eaf60a5b35cd7c06574926a75a6ef88539f34fcfa1ab03f215b76080e7742ae8756906743c4f2bee1a39f2ddd7ac7e0d6c9274b2e083ce1b31c6fa7997ed1c4ecf059465939c51879da3bfb391b7990d55482613afb638b839691aba6607c1950503f2b19a4ddb1f2b88408fa79e900ef5a089a92227aade3f92292f2a24f4718ac7bb2f2e3343533b44a43817e0de61bfbd40fae831293ba1832eea12732c0160a708b91542970aea47c26e94b2eedcccc309da3fe778e91d96cd2c0fb487a3a076b6654ce3c0492f863bc99a40aeea714f0a377af599cc0d44eaa88e0f452cc62fc56390348683f952d138a7b0b3f239f346825039997d2182f5d8f049d11df2e1bb76ba1583a53238b717445d7fe361714d6dfa6b3f3c1b545a2e72ea9edd2f794631bbb3d0f3d69c38b665d0807dbff4c224ed3aeaf6da33270c9d863b8d8e6dbeb261fab38b2a3ff722126afc61cc14a1eb320730e9448c1c383a8f815395c6420c40f32ea9db65d1e0d2f9b17e8b073011f950bf59d60dd967f969a40681ec1426006077f28f56b0073bddf48585dda714c874b9436d18781a091e67e7a82f3c5d5a3e71bd032d828724c1cfa3a8e1c512f1b88635acd295e247444d6fea42aa3eb89898d68253fa67881a53fae89716672d10dd6d8393fecb535568a9496e38871073273de16c9fdb4a391a5ac050c3d3761a186ea725c25a4f78c7213f4f59c6af4e7146a24db3d1a1a2a7d1987b304e29e0f5922db635083713c4b8cf6a11d01bfda72d1b22d3636b9675ade8b14d959da9e1ff58b254d48303db7245bf08476ace72ad4ff90e0d0e3951b4ef22f36e15c1f32d752708fd73967ce757d66fd7b8ae0d88326b3376a73215ba46e496e3b744e644613ce6b855fce127e8927c6c61243fda92c8eab11378761198f59ff5aace7ca9b989d048f5572cc48b1a423ab11afc57e62dcc09d2a22bbc30cf42eb1493f6ab271de7e88fe556d4a79a93605fcdd7b1beec613c80d852421074ebcd666277d768ab83248c7c8cddc1a4c7459a706319b128cc16ac32b627668a6920b93aafc9c10f56b14f763b7a02c809d8160e2502b66993560d3d5593e4482a98ad28378fdc6f79c385294647484fe07c32ea2a24186980cf48e5fe3608daa18cc5b5cab57105cb6173b1c23bddae15ddc9242dda5229ebfb8436f515658c415981044c932f45d1ff57e0574396ab98ae83996725662c3f4c5bf279de58a5446a42f7ea28dc8d99a661461045348d1652978838bce099f34b88d679a11caab66aa74c1b190ebad488374e05057e57a701ef5d5aa7e8b0ace2b3f1b9f8d82d057442e20340e30366069954f5c18372db83de433dd210f8feb9e24164e2dcd7ac8cb01f26adbe97545aa525ded42f259aeb2ddd55062e19b3be02800211bb69b98fba54b4d1322a43d53513195f57a3e8c35e2af7b2f644977b721e1ae45cc8dbfb919c43d2d44b4bda9a5aad40d58e87e33146febae2d6d702ddd9232edf5fb60e8d0f57aeb81735d425b08e48a54062b2ffedf3ab2110e0159b8d0b828ca1818cf8e293d40014843a744b573464bf52f1a8f34aeee0e31673a2feb2efbfc6fac18f782c95dc9b35765f20aa49486a766067ea24064aaff0053cd7f4f9f68222b4fc7988906f346d764f6448bf6025f2213819f96b121cc7e3c18803f52871c5bdc3e28bd0cef0ae1f792fd811cf4704bd234f6a36ab177a0e39ae0f3ca61a5693c7c4879e0ef6b153b6c3694c7458440db1f0fab975a94967d21c3677cacf1a45baa9860e8ffe61a8162e458d2cfea46aa9b6ab9bfffe33167861d04a2f998efd5654d51fd0dd2c2661c9f3c17eef283bc8694e02be3688ccb3ed9dbdb4c05ced46a81e676665fb637f6ab7e5d2a7a4517ff12909d6842ee106dcd8f5d20e611becaeb6b4bb78c2308cd6080e4b967a989a1ee5493e936b9177cadf3b7d8f570019e082275e5aa69c9ce846fa3e9f432cacb99d44ff5c6b7d5c5e56b323eaf63b15329f960b161164b6ff12d1a70c5febd92954daba5b30f2ac4579ae4ba27e732684ad28b0e41c1ec319cc99a0c02049562b08f1fd0d3c0911f20e30b713b246b50e7747c345bddb544af443c9bc6ced1cff81683702423a29306485f72bc2eb59cc0908734a3180b6d822b4ce71d00aa315506fbe3ce11599d0271dbb3172e64dadf78f9e6505cd6a6e2354bc0b1d6d409326e617ce970f68c5abcf992b7bd95aef160c9a13912ef191c1cde34fac89cb9baf4c811924fde4817c724f8b365fa633c25b331a5964f51f3c2f99bbd1c046e361acf852f3344ea6ba64d626910b35def0ba958a6e05ec240ab5ca04738946189a65fe355c8475bf162659f5aed03c0367555c3430902eeba6fcf3859cf62808ddc1a7ec2bacf2c2819f72299858ce6cfe54ef3e95a53e037ade6e9d93266671728d0bc757be1d75088b5f9a82afc182c0e48d32849c29bc3b579b2d731a31da14c2f7b44afab24943ebc5eb716867a490f19da578919e72f0c5aae94cfa0553371c253b2ef309b9cd4a26942f94ec2ee51f5f6d5b5a4471e1f665bfef9535b7e3a3a618733e7b79aac96e129fe432c83135dcc9224ed3d1121f27dd392dc955a88cb5e37a644b27088b9cfd94663351a93f4be3c13a2c2a0fa870f3f6df1551cfc2596730d2c5c5696bc927b828151b03328a257955fe41683953fe61597483e0aff01e5621f38ae2be7626f2b931648000cbf999dbee2ca5e9cdfd472dc1650c3ed98b16366d06e1790a55a089a5dfbd9839691cb782fad0cd35edc13276b3b63ce85bcf0d701d3ff76ec59dad07e898d1e8b264f3a76470472ba2c62e685ec7c041f8afe1fa806f5e419169894cd0701fd8081901f9c51aeaf725d74a92bb7f4a4cce9724d717213b67295c737eb27ce8014159f10cd6526d0a46dd85bff520e22d9b766d4c53a298091806a4a3adffa6e963f3c88870bd7386da00bbe4b33069371f034b7f3856094aeac993f9d25d1cd7e763313c6ddcd7fd6d08387c84c1687b2cf85a0b5347cadae3da438c0de16d275e349b40e8192677e695f8bc3c021a002234e11aa9110165cfd8bc498b8f7ac2824c48b2b457c50e22b0bd55e1b10119eff77e5d6b9ff475035cee6184c03f5833ef0b56a9367a34dc15e66d068cb6ea2d9e6b5e3d5fa7f3c7f8f610676d4bc75661bc327bd30afce14fe4c6a14e96074536d9b3be8ac93dda720232d0b424f57189ddcca17c63e4de8791922992170c03b40bc47b648d148f7ea5b690106f88e174d52851f68fd9fb50c3e4f14088b0580077671562b2088df59f0880daad14b238a02988aa3dc67d32377eb86ff65b345ea611cc5b835ff743675f75a5ce0eb0b1a2be6ffd00f297e4cfe631ef835805db6deb0ab7026b2c02f46761a420d6d7873dccec4aad8ac97910fb70b187859b9db015eab2883816cbc7c1ee71dee4237008b22cc939df9efca111f218455e3de69870bb40f4c3a389e40fff20fde4da2a24a86d130fe86ce3723f30461aa68905b4d1c01500a2ec052a02703917dc64839cadc677b3a655206d79f1165d691d775446143a4931ef9a804946a1198fa020240659a757c7850734683f0e8eaf0ba8f6e4ad1a87b885672c714fc2cc8128bb370695489a7ad5c2f5586ccdf8ca58efe4f36749645576a857ab7cc2283a144ca7dbd75c8e54cfbc5efecf411ba6c493332099e7ecce2f067e08efd747ff7435576c2cb652a93642d523dfbff19ca5d488badfaa642a4f0a63826219f0c5b2f7e7433e78c24849b2c2ea8744d1bc4c44d4906e8554c5906d1dbdfb179aeb79642620d25e386339d2b07bf258a9fee76fef4008361323a931f6746f0eef2dc26e23054c933e61cbdb0568d0679b2adc353578f037edf3c2b07080219d6e78db25469debe68de737e5c266048b3a3911459e45bec8dc827e116af9096cd9dfb6662a099eda486be1acef62fa47bb08871f7e8fa54e1d5b247369b8287e67c19f17ffa01b284f63cd6cd433fd06adfa1f931975653c3b6173ccd25cc5b8944e2b15215fc6714645a45b6ff8fa12ca6d70ee006565a19a68c7d2ee2eb2f3368d2fa25fd49dfccbca56c198a89b07e34bb37ffad2d1bacbe227dcf865334e48d3107bfcdab06e83607a12ef54c2eaca49c5295efda5f0804f3ee8ba42c5355984f4ed6e5c3aac4cd2f8c8ecd52cf272ce491f76f27b56bd30a6a0322520c06659af8a2d5f3d0928ab0778172763f266f4082f592dbd4efe6b64c042670cf03e73b1190122c29dc1b66cd2abe131a82309168b3a304f731fa4b3ffa7b0d8e36f5daa19f7ca0ef8a77a7f20235c114fca16c54fd6e649929debf5c6bcef82f72c9633abc7eba3b536893f96b399fe4325f1c754e8bfb61cca3c69f86e446c14e2117dbc40e0ec18e39082e146c4732322b2c67f5b35990fa335e025a4b69a13a26b8e95f45a0dbd681f70fb3a2e3d40a3423626870def24b450328232e86a67880c07eb868f1a6b34a1a41d3465332c", 0x1000}, {&(0x7f0000005b40)="c2f56e642414c4fa09d1be6b17eb24de966d0436593345500c9ce68a84e1db1d17280d0744267a7bd876d1dbad74f1e704a08ca2a9cdfff4727bc411e4125c0c2e38440d09a23378b66bfb794154b719ebef7297a67f97481d26abcaabdead8ab785aa70a8176352248990a7f8cb949c6e3cab0c8f88d65976637a990882e157cc99590001221b51ab7694926a017c8c85e955227988f469c6fa2e8c561e2109", 0xa0}], 0x3, &(0x7f0000005c40)={0x20, 0x19f, 0x7, "f1d3a6430301222b5f73d0a64d"}, 0x20, 0x4008084}], 0x3, 0x4001) epoll_pwait(r0, &(0x7f0000000000)=[{}], 0x1, 0x0, &(0x7f0000000040), 0x8) r3 = add_key$user(&(0x7f0000005d40)='user\x00', &(0x7f0000005d80)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000005dc0)="2b198c92d9b463aca502435935c7a2353e8882bc07b62fee1761a8a02060ebcc56cda86d7779fa1ec77b43b6e45434d66b5a685578c9b87ee15994cc96d36ad7f49b0d22fbcb987eba6e0bc077fcab030ff1d13c711e6ce290c0a467fe735d5c74af27d06be1f75f2de56d872b12f47c8d02ad8ba5bfbd640b9d7d424aec178827cfd630d86970000463a27825e2e41cf4e95c1a105fbc996b9addbce42e26624cb87df9a8889b59", 0xa8, 0xfffffffffffffffd) r4 = add_key$user(&(0x7f0000005fc0)='user\x00', &(0x7f0000006000)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000006040)="870b7f4911d7a989ea33ea4781464acd77db721662ed51dc227aca862c260b976fc2d2ebeb0c318a529e7e4886d7f462412bf8beba6dadb67c0ac9250702383e", 0x40, 0xfffffffffffffffa) keyctl$instantiate_iov(0x14, r3, &(0x7f0000005f80)=[{&(0x7f0000005e80)="2ace23cac39df784d1f5", 0xa}, {&(0x7f0000005ec0)="de16127178f3582909623b7d9491d322cd8be655e54715cce591487d5b76d28b503e4146c5e7b701c9dc37573f04f70c4ee610f750441a82c548ec9ffb62c828efd7d28cadcd704b9ebf09962aeb4fd551f8c850deb459234673b2a6d296ca9741f57dbeff7af17b2b4c2244d128de64e0004d04afe6508ab43bed1d407941c2121aee4379a13b8dfa2e64cb204ce829c1f0e12840140b085d2908d922fca5324784eccfb86023546f5a89d36b9dc78fed8d8dc89115544404d11423", 0xbc}], 0x2, r4) 2018/02/23 16:04:55 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f0000f0fffa)='./bus\x00', &(0x7f0000029ff2)='./file0\x00', &(0x7f0000937000)='ramfs\x00', 0x1200020, &(0x7f000003ef63)) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in6=@local, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@empty}}, &(0x7f00000001c0)=0xe8) r1 = getgid() syz_fuseblk_mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./bus\x00', 0x4000, r0, r1, 0x4, 0xfffffffffffffffd, 0x800000) link(&(0x7f0000ed0ff8)='./file0\x00', &(0x7f000021cff8)='./file1\x00') 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x5, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:55 executing program 3: seccomp(0x1, 0xfffffffffffffffe, &(0x7f0000028ff0)={0x1ffffffffffffea2, &(0x7f0000e51000)=[]}) r0 = dup(0xffffffffffffffff) ioctl$sock_netrom_TIOCINQ(r0, 0x541b, &(0x7f0000000000)) socketpair$llc(0x1a, 0x2, 0x0, &(0x7f0000000000)={0x0}) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f0000000040)={0x8, 0x5}) clock_gettime(0x2, &(0x7f0000000080)) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f00000000c0)={0xfffffffffffff6a6, 0x40}) 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x7, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:55 executing program 5: mmap(&(0x7f0000ffa000/0x2000)=nil, 0x2000, 0xfffffffffffffffc, 0x32, 0xffffffffffffffff, 0x0) r0 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffff8) r1 = add_key(&(0x7f000025f000)='trusted\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) keyctl$describe(0x6, r1, &(0x7f0000febfea)=""/153, 0x99) r2 = socket$inet6_udp(0xa, 0x2, 0x0) fdatasync(r2) 2018/02/23 16:04:55 executing program 7: r0 = epoll_create1(0x0) clone(0x0, &(0x7f0000c8d000), &(0x7f0000475000), &(0x7f00000f4000), &(0x7f00003a3f08)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000882e1b)={0x2, &(0x7f0000e9b000)=[{0x45}, {0x6}]}, 0x10) sendto$unix(r1, &(0x7f0000000080)="cd", 0x1, 0x0, &(0x7f0000000040)=@abs, 0x8) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x400000, 0x0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmmsg$nfc_llcp(r2, &(0x7f0000005c80)=[{&(0x7f0000000040)={0x27, 0x1, 0xb69, 0x7, 0xfffffffffffffe01, 0xfffffffffffffff8, "71f076ee4faf664f6a5431c59a5d99c12019bcd7740d5a75d817c51bc275d49520c20e14d569eb1cb61eb2b4e949890924e7dd81ba81e7af1ab690bcdc352e", 0x1}, 0x60, &(0x7f00000035c0)=[{&(0x7f00000000c0)="09b3bea1e7a53ce46413d0123331a2a942f8977a0abac8193a71bbf5eef41411e393ff040bd858ffe7da5bc3c4d150ec8a19123cf99177b0dcd97e339a8c459a579e1a883e6a2295aea5bec0348852f3dad2482fe7349be08e00542f96303f7c15dc6fd31d6d5e8fe5070fea1e3eea61473e69f7ace3c379931aabad25abddaae3167b777fb2b13bd1a2bc9cc2891198ae590014d4bb0260b4342503d8617b38e8dbce362f8aaed2d917a28012199d1cab4dd059acf63037eb11d87cadcf059dc8e9aa05824d35b58807b05f04398e02db101c6462b5dd000b693a489c1c0e14209342a3f1e938894f8069deb47fe617fa3b", 0xf2}, {&(0x7f00000001c0)="12cff8fad2b0e278e0cf8e847df592a53563705adbedb0c7b3a07ca50e38bbd85326e95738b3930f38144e90ca4da7e8c4f407041243ad94ab09bdc43d13cb2d386d2d594fc4dc687305c25df03b4e049f57a98029def485f0536bb53af6dffd398ba9e8226dcc0fedb59ee9378ee0e4f4865ffae5fafc57b7b2b19e465c7e1d6ce9a809efbf13494f8f2d4763ff94df3072d29e76b19a7caa2a3d42afe9fa892d522a8884e22d06ff6af8b083455eb9979021cdd0ac9fa124af25d29400dd5be68700376007048762625e", 0xcb}, {&(0x7f00000002c0)="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0x1000}, {&(0x7f0000004900)="43baeec04b9cc0ad7b24ee392828d076021c6e5bcdfe79e0ff0120fd53e2de5dec1e18c652dc82031ed88ec3feadbb7ad3a827615889121e1a3ac235cb9e97893eca755e760b6f92", 0x48}], 0x6, &(0x7f0000004a00)={0x68, 0x11e, 0x20, "d8cf7dc56bfd1ed3e9767a73ab78b4034322e1a84a983c3823a02283630d8fc996fa52bf9c74108a5e569d0b2c55a722af26cfffb29c89b95187e8df0ddf53b1079210e0d90c1d2ab3cec3dc7466a128628f21bf6b9aae54"}, 0x68, 0x1}, {&(0x7f0000004a80)={0x27, 0x5, 0x6, 0x7, 0x6, 0x9, "ad8d0fd3b03f41940a29eb9093af19f864bffa6f990b1b095aa6892b36b1980e84546ce9a5097e07cface1fb945c73a12cc080067511a9a7d6879cfb11823a", 0x7}, 0x60, &(0x7f0000005c00)=[{&(0x7f0000004b00)="d01a1c8e695e1934e83b188e685e4082b3ac0c05ef6be6b27133dfc32709f9359a0e", 0x22}, {&(0x7f0000004b40)="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", 0x1000}, {&(0x7f0000005b40)="c2f56e642414c4fa09d1be6b17eb24de966d0436593345500c9ce68a84e1db1d17280d0744267a7bd876d1dbad74f1e704a08ca2a9cdfff4727bc411e4125c0c2e38440d09a23378b66bfb794154b719ebef7297a67f97481d26abcaabdead8ab785aa70a8176352248990a7f8cb949c6e3cab0c8f88d65976637a990882e157cc99590001221b51ab7694926a017c8c85e955227988f469c6fa2e8c561e2109", 0xa0}], 0x3, &(0x7f0000005c40)={0x20, 0x19f, 0x7, "f1d3a6430301222b5f73d0a64d"}, 0x20, 0x4008084}], 0x3, 0x4001) epoll_pwait(r0, &(0x7f0000000000)=[{}], 0x1, 0x0, &(0x7f0000000040), 0x8) r3 = add_key$user(&(0x7f0000005d40)='user\x00', &(0x7f0000005d80)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000005dc0)="2b198c92d9b463aca502435935c7a2353e8882bc07b62fee1761a8a02060ebcc56cda86d7779fa1ec77b43b6e45434d66b5a685578c9b87ee15994cc96d36ad7f49b0d22fbcb987eba6e0bc077fcab030ff1d13c711e6ce290c0a467fe735d5c74af27d06be1f75f2de56d872b12f47c8d02ad8ba5bfbd640b9d7d424aec178827cfd630d86970000463a27825e2e41cf4e95c1a105fbc996b9addbce42e26624cb87df9a8889b59", 0xa8, 0xfffffffffffffffd) r4 = add_key$user(&(0x7f0000005fc0)='user\x00', &(0x7f0000006000)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000006040)="870b7f4911d7a989ea33ea4781464acd77db721662ed51dc227aca862c260b976fc2d2ebeb0c318a529e7e4886d7f462412bf8beba6dadb67c0ac9250702383e", 0x40, 0xfffffffffffffffa) keyctl$instantiate_iov(0x14, r3, &(0x7f0000005f80)=[{&(0x7f0000005e80)="2ace23cac39df784d1f5", 0xa}, {&(0x7f0000005ec0)="de16127178f3582909623b7d9491d322cd8be655e54715cce591487d5b76d28b503e4146c5e7b701c9dc37573f04f70c4ee610f750441a82c548ec9ffb62c828efd7d28cadcd704b9ebf09962aeb4fd551f8c850deb459234673b2a6d296ca9741f57dbeff7af17b2b4c2244d128de64e0004d04afe6508ab43bed1d407941c2121aee4379a13b8dfa2e64cb204ce829c1f0e12840140b085d2908d922fca5324784eccfb86023546f5a89d36b9dc78fed8d8dc89115544404d11423", 0xbc}], 0x2, r4) 2018/02/23 16:04:55 executing program 3: r0 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x408040) bind$ax25(r0, &(0x7f00000000c0)={0x3, {"f339b7e788df16"}, 0x8001}, 0x10) poll(&(0x7f0000000000)=[{r0, 0x60a}, {r0, 0x3024}, {r0, 0x80ca}, {r0, 0x4}, {r0, 0x10}, {r0, 0x2}, {r0, 0x2}], 0x7, 0x9) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x400000, 0x0) ioctl$TUNSETVNETHDRSZ(r1, 0x400454d8, &(0x7f0000000040)) r2 = socket$inet6(0xa, 0x2, 0x0) ioctl$EVIOCRMFF(r1, 0x40044581, &(0x7f0000000100)=0x1) setsockopt$inet6_buf(r2, 0x29, 0x14, &(0x7f0000000140)="4954a6bfcf90995f188e312111b7774ea659840f76f01cceb03612aa6d1f9ee70aa6f276910cd9b9a356626a7f", 0x2d) 2018/02/23 16:04:55 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3134146c, 0x400003) r1 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x80000000, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r1, 0x40045402, &(0x7f0000000080)) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:55 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_UNREGISTER(r0, 0x8010aa01, &(0x7f0000000000)={&(0x7f0000012000/0x2000)=nil, 0x2000}) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) r1 = accept4$ipx(0xffffffffffffff9c, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000) getsockopt$bt_hci(r1, 0x0, 0x84102341f0016d2c, &(0x7f00000000c0)=""/167, &(0x7f0000000180)=0xa7) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x8, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:55 executing program 7: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x4120c1, 0x0) ioctl$KDENABIO(r0, 0x4b36) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f0000000080)="c2019c1dda9f1cc992c47ffa66e0a9169f11883c65046b39201a92334b0c2ad1bffe830c14982cb9e84ad7f64e5c990c41cca6e5bdc1d6addc6555dbf9eaba2a583a1d2b0a9f49a035143de8f0d959e4963a83cbbeffef839fbb848cb72a65a263a8dd8449028fb9031db7cabdb2583be6da9ad63dafe1a7c0e7e3f1c7313036fd68ac33f158ce9df12fb99cf2a5e34ca4891196dab5199a93240436dc19848f3bec2d2a4edc08ebe9b92d2c6146fee360dff0e9e844d4127dcc986e3bb25a27f5") ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000000080)={{0x2, 0x2, @multicast1=0xe0000001}, {0x1, @remote={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xbb}}, 0x4c, {0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, @common='syzkaller0\x00'}) 2018/02/23 16:04:55 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip6_mr_vif\x00') setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000040)=0x3, 0x4) socket(0x1b, 0x80003, 0xfffffffffffffffc) lseek(r0, 0xfffffffffffffffe, 0x0) [ 63.637322] FAULT_FLAG_ALLOW_RETRY missing 30 [ 63.642642] CPU: 0 PID: 9114 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 63.650251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.659577] 0000000000000000 6b4ce57478c20506 ffff8800ab397490 ffffffff81d03f6d [ 63.667554] ffff8801d5207e00 1ffff10015672e9f ffff8800ab397618 0000000000000000 [ 63.675518] 0000000000000000 ffff8800ab397640 ffffffff81607365 ffffffff81237470 [ 63.683492] Call Trace: [ 63.686054] [] dump_stack+0xc1/0x124 [ 63.691390] [] handle_userfault+0x715/0xf50 [ 63.697334] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.704315] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 63.710690] [] ? handle_mm_fault+0xb5d/0x3190 [ 63.716804] [] ? userfaultfd_poll+0x180/0x180 [ 63.722918] [] ? handle_mm_fault+0x291e/0x3190 [ 63.729120] [] handle_mm_fault+0x2938/0x3190 [ 63.735149] [] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.741782] [] ? copy_page_range+0x1480/0x1480 [ 63.747982] [] ? __do_page_fault+0x780/0xa00 [ 63.754007] [] ? vmacache_find+0x57/0x290 [ 63.759772] [] __do_page_fault+0x35b/0xa00 [ 63.765626] [] do_page_fault+0x27/0x30 [ 63.771136] [] page_fault+0x28/0x30 [ 63.776382] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 63.783193] [] ? do_sys_poll+0x1a4/0xcc0 [ 63.788878] [] ? check_preempt_wakeup+0x53e/0xa70 [ 63.795343] [] ? SyS_pselect6+0x530/0x530 [ 63.801111] [] ? preempt_schedule+0x25/0x30 [ 63.807051] [] ? ___preempt_schedule+0x12/0x14 [ 63.813250] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 63.820144] [] ? try_to_wake_up+0x62/0xf60 [ 63.825998] [] ? plist_check_head+0x4a/0x60 [ 63.831941] [] ? wake_up_q+0xbe/0x130 [ 63.837362] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 63.844258] [] ? futex_wake+0x153/0x450 [ 63.849851] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.856836] [] ? userfaultfd_release+0x5a0/0x5a0 [ 63.863212] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.871324] [] ? recalc_sigpending+0x76/0xa0 [ 63.877352] [] ? __set_task_blocked+0x107/0x240 [ 63.883639] [] ? __set_current_blocked+0x4b/0xa0 [ 63.890013] [] ? retarget_shared_pending+0x210/0x210 [ 63.896732] [] ? __set_current_blocked+0x80/0xa0 [ 63.903105] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 63.909391] [] ? __set_current_blocked+0x80/0xa0 [ 63.915764] [] ? sigprocmask+0xef/0x290 [ 63.921359] [] ? sigsuspend+0x1f0/0x1f0 [ 63.926953] [] ? __might_fault+0x114/0x1d0 [ 63.932808] [] SyS_ppoll+0x1b1/0x3e0 2018/02/23 16:04:56 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = dup3(r0, r0, 0x80000) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r1, 0x84, 0x4, &(0x7f0000000000)=0x4, 0x4) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 63.938142] [] ? SyS_poll+0x3f0/0x3f0 [ 63.943559] [] ? SyS_futex+0x210/0x2c0 [ 63.949066] [] ? do_futex+0x15d0/0x15d0 [ 63.954662] [] ? security_file_ioctl+0x89/0xb0 [ 63.960862] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 63.967321] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:56 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x400, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000080)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x100}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000040)) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:56 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x14000, 0x0) ioctl$TIOCCONS(r1, 0x541d) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:56 executing program 2: mmap(&(0x7f0000000000/0x59000)=nil, 0x59000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x79d, 0x200041) ioctl$TCGETA(r1, 0x5405, &(0x7f0000000040)) ioctl$EVIOCGBITKEY(r1, 0x80404521, &(0x7f0000000080)=""/251) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000018000)={@multicast2=0xe0000002, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}, 0x0, 0x3ffffffffffffdbd, []}, 0x3dc5) 2018/02/23 16:04:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r0, 0x4c01) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) 2018/02/23 16:04:56 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x6) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f000054b000)=0x8f, 0x4) 2018/02/23 16:04:56 executing program 3: r0 = syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x408040) bind$ax25(r0, &(0x7f00000000c0)={0x3, {"f339b7e788df16"}, 0x8001}, 0x10) poll(&(0x7f0000000000)=[{r0, 0x60a}, {r0, 0x3024}, {r0, 0x80ca}, {r0, 0x4}, {r0, 0x10}, {r0, 0x2}, {r0, 0x2}], 0x7, 0x9) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x400000, 0x0) ioctl$TUNSETVNETHDRSZ(r1, 0x400454d8, &(0x7f0000000040)) r2 = socket$inet6(0xa, 0x2, 0x0) ioctl$EVIOCRMFF(r1, 0x40044581, &(0x7f0000000100)=0x1) setsockopt$inet6_buf(r2, 0x29, 0x14, &(0x7f0000000140)="4954a6bfcf90995f188e312111b7774ea659840f76f01cceb03612aa6d1f9ee70aa6f276910cd9b9a356626a7f", 0x2d) 2018/02/23 16:04:56 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) r1 = dup2(r0, r0) bind$inet(r0, &(0x7f000000f000)={0x2, 0xffffffffffffffff, @loopback=0x7f000001}, 0x10) connect$inet(r1, &(0x7f0000f6a000)={0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, 0x10) accept$inet(r1, 0x0, &(0x7f0000000000)) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000040)={0x0, 0xdf400000000000, 0x20, 0x59, 0xfffffffffffffffc}, &(0x7f0000000080)=0x18) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000000c0)={r2, 0x81}, 0x8) r3 = request_key(&(0x7f0000000000)='logon\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)='lowlan1&system\x00', 0xfffffffffffffffe) ioctl$DRM_IOCTL_ADD_MAP(r1, 0xc0286415, &(0x7f0000000100)={&(0x7f0000ffd000/0x1000)=nil, 0x6, 0x7, 0x80, &(0x7f0000ffd000/0x3000)=nil, 0x5}) keyctl$assume_authority(0x10, r3) setsockopt$inet_mreqsrc(r1, 0x0, 0x27, &(0x7f0000f69ff4)={@multicast2=0xe0000002, @loopback=0x7f000001, @loopback=0x7f000001}, 0xc) 2018/02/23 16:04:56 executing program 7: mkdir(&(0x7f0000632000)='./file0\x00', 0x100) mount(&(0x7f0000176ff8)='./file0\x00', &(0x7f00009c9000)='./file0\x00', &(0x7f0000b14000)='mqueue\x00', 0x0, &(0x7f00000ba000)) r0 = open(&(0x7f0000595ff8)='./file0\x00', 0x0, 0x0) mkdirat(r0, &(0x7f00002f4ff8)='./file1\x00', 0x0) 2018/02/23 16:04:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000021ff0)={0x2, &(0x7f0000016000)=[{0x28, 0x0, 0x0, 0xfffff030}, {0x6}]}, 0x10) 2018/02/23 16:04:56 executing program 3: r0 = socket(0xa, 0x2, 0x0) clock_nanosleep(0x7, 0x0, &(0x7f0000000000), 0x0) connect$inet(r0, &(0x7f0000204000)={0x2, 0xffffffffffffffff, @empty}, 0x10) getsockopt$inet6_mreq(r0, 0x29, 0x1, &(0x7f00005d3000)={@loopback}, &(0x7f0000170000)=0x14) 2018/02/23 16:04:56 executing program 7: r0 = socket$inet6(0xa, 0x802, 0x0) sendto$inet6(r0, &(0x7f0000a05ae2)="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", 0x595, 0x0, &(0x7f0000658fe4)={0xa, 0x2, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) r1 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x80100, 0x0) connect$netrom(r1, &(0x7f0000000040)=@ax25={0x3, {"f95bba934d8552"}}, 0x10) 2018/02/23 16:04:56 executing program 5: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000556ff0)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000de3000)={{0x4000001ff, 0x2010000080000a}, {}, 0xfffffffffffffffe, 0x0, 0x3}) 2018/02/23 16:04:56 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) r1 = dup(r0) setsockopt$inet6_udp_int(r1, 0x11, 0x65, &(0x7f0000000000)=0x2, 0x4) setsockopt$inet_tcp_int(r1, 0x6, 0x2, &(0x7f0000b10000)=0xc2, 0x6677bbc4) bind$inet(r0, &(0x7f00000f0ff0)={0x2, 0x3, @multicast2=0xe0000002}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000e9bff0)={0x1, &(0x7f0000f07000)=[{0x6, 0x0, 0x0, 0x101}]}, 0x10) connect$inet(r0, &(0x7f0000987000)={0x2, 0x3, @empty}, 0x10) sendto$inet(r0, &(0x7f0000896000)="6387c63c660174913f940e086f00918d5239aecb2ebc3b5e25d5eb2ea52b599e04272873fcd839eef6740fd8377425039a86f5b028204196e23b2c980b4c7b42b94e81748f653a6242bda8d50f0ea2f2e8b741b75b71e2329cb10b8d0a8fea177c4f315ca34017ff81b34bcf0950d39e5ab93a5b9a6ca6dde9caa86e666861d3b23abb233add2edcd5125041ce537bd05a85e74292cd352d59789170b7e62ef6d9aa9b33ec43a9dc7f137a4aa0f7b91aaca2c9f283ce288a4ff06b5ee4136e37598552c9debcc1a197ff3394160c8c257a8e6c9c85cd71073735e37b2584f9a63da4", 0xe2, 0x0, &(0x7f0000f6eff6)={0x2, 0xffffffffffffffff, @dev={0xac, 0x14}}, 0x10) readv(r1, &(0x7f0000595fc8)=[{&(0x7f0000e01000)=""/4096, 0x1000}], 0x1) recvmsg(r1, &(0x7f0000433fe4)={&(0x7f0000c3b000)=@pppol2tpv3={0x0, 0x0, {0x0, 0x0, {0x0, 0xffffffffffffffff, @multicast2}}}, 0x2e, &(0x7f0000ae5000)=[], 0x0, &(0x7f0000007000)=""/131, 0x83}, 0x0) sendmsg(r1, &(0x7f0000247000)={&(0x7f000058cfc6)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0xffffffffffffffff, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}}}, 0x3a, &(0x7f0000a57fe0)=[{&(0x7f0000786000)="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", 0x16d}], 0x1, &(0x7f0000f88f80)=[]}, 0x0) 2018/02/23 16:04:56 executing program 3: clone(0x0, &(0x7f0000d28000), &(0x7f00008c9ffc), &(0x7f0000c36ffc), &(0x7f000095e000)) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000000)={{{@in=@rand_addr, @in6=@empty, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@loopback}}, &(0x7f0000000100)=0xe8) setfsuid(r0) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000000)={0x0, 0x0}) accept4$inet6(r2, 0x0, &(0x7f0000000040), 0x80800) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@local, @in=@remote}}, {{@in6=@loopback}, 0x0, @in6=@dev}}, &(0x7f0000000240)=0xe8) [ 64.120958] FAULT_FLAG_ALLOW_RETRY missing 30 [ 64.130820] CPU: 0 PID: 9148 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 64.138464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.147802] 0000000000000000 61830c26282a00cd ffff8801d2bbf490 ffffffff81d03f6d [ 64.155782] ffff8800b0526000 1ffff1003a577e9f ffff8801d2bbf618 0000000000000000 [ 64.163768] 0000000000000000 ffff8801d2bbf640 ffffffff81607365 ffffffff81237470 [ 64.171738] Call Trace: [ 64.174303] [] dump_stack+0xc1/0x124 [ 64.180425] [] handle_userfault+0x715/0xf50 [ 64.186368] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.193351] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 64.199728] [] ? handle_mm_fault+0xb5d/0x3190 [ 64.205845] [] ? userfaultfd_poll+0x180/0x180 [ 64.211958] [] ? handle_mm_fault+0x291e/0x3190 [ 64.218159] [] handle_mm_fault+0x2938/0x3190 [ 64.224188] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.231171] [] ? copy_page_range+0x1480/0x1480 [ 64.237374] [] ? __do_page_fault+0x780/0xa00 [ 64.243402] [] ? vmacache_find+0x57/0x290 [ 64.249168] [] __do_page_fault+0x35b/0xa00 [ 64.255020] [] do_page_fault+0x27/0x30 [ 64.260528] [] page_fault+0x28/0x30 [ 64.265775] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 64.272584] [] ? do_sys_poll+0x1a4/0xcc0 [ 64.278267] [] ? check_preempt_wakeup+0x53e/0xa70 [ 64.284727] [] ? SyS_pselect6+0x530/0x530 [ 64.290495] [] ? preempt_schedule+0x25/0x30 [ 64.296437] [] ? ___preempt_schedule+0x12/0x14 [ 64.302639] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 64.309538] [] ? try_to_wake_up+0x62/0xf60 [ 64.315391] [] ? plist_check_head+0x4a/0x60 [ 64.321334] [] ? wake_up_q+0xbe/0x130 [ 64.326753] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 64.333646] [] ? futex_wake+0x153/0x450 [ 64.339241] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.346223] [] ? avc_ss_reset+0x110/0x110 [ 64.351989] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.358969] [] ? recalc_sigpending+0x76/0xa0 [ 64.364995] [] ? __set_task_blocked+0x107/0x240 [ 64.371280] [] ? __set_current_blocked+0x4b/0xa0 [ 64.377656] [] ? retarget_shared_pending+0x210/0x210 [ 64.384378] [] ? __set_current_blocked+0x80/0xa0 [ 64.390755] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 64.397041] [] ? __set_current_blocked+0x80/0xa0 [ 64.403413] [] ? sigprocmask+0xef/0x290 [ 64.409005] [] ? sigsuspend+0x1f0/0x1f0 [ 64.414596] [] ? __might_fault+0x114/0x1d0 2018/02/23 16:04:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000)) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) [ 64.420452] [] SyS_ppoll+0x1b1/0x3e0 [ 64.425785] [] ? SyS_poll+0x3f0/0x3f0 [ 64.431203] [] ? SyS_futex+0x210/0x2c0 [ 64.436711] [] ? do_futex+0x15d0/0x15d0 [ 64.442305] [] ? security_file_ioctl+0x89/0xb0 [ 64.448503] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 64.454966] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:56 executing program 5: clock_gettime(0x1, &(0x7f0000c4aff0)) r0 = accept$inet6(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0x0, @loopback}, &(0x7f00000000c0)=0x1c) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000100)={0x0, 0x4}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000180)={r1, 0x8, 0x100000000, 0x6, 0x4}, &(0x7f00000001c0)=0x14) 2018/02/23 16:04:56 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000240)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$KDGKBMODE(r1, 0x4b44, &(0x7f0000000040)) linkat(r1, &(0x7f0000000000)='./file0\x00', r1, &(0x7f0000000080)='./file0\x00', 0x1000) clock_gettime(0x0, &(0x7f0000000000)) 2018/02/23 16:04:56 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) mknod(&(0x7f0000000000)='./file0\x00', 0x1, 0x3) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:56 executing program 7: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000009ffc)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000ddd000)='oom_score_adj\x00') ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000000)) exit(0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x40, 0x0) r2 = add_key(&(0x7f0000000100)='.dead\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000180)="9e35d7b2adceb006ec4779bb9fda984ff1e3f800468903a4651a2a76b301e89621bc1b8e7a2b3a3ab8bfa72a7f6e7461f8cd1668efd991683b86fac51422c417476b77", 0x43, 0x0) request_key(&(0x7f0000000040)='blacklist\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000000c0)='\'keyring&\\]vmnet1system\x00', r2) preadv(r1, &(0x7f0000982f80)=[{&(0x7f00007a1fa6)=""/90, 0x5a}], 0x1, 0x0) 2018/02/23 16:04:56 executing program 3: memfd_create(&(0x7f0000000000)='wlan1\x00', 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/raw\x00') sendfile(r0, r0, &(0x7f00006dbff8), 0xffffffc2) 2018/02/23 16:04:56 executing program 2: r0 = inotify_init1(0x0) r1 = dup(r0) ioctl$ASHMEM_GET_PIN_STATUS(r1, 0x7709, 0x0) dup(r1) 2018/02/23 16:04:56 executing program 6: read(0xffffffffffffffff, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) close(0xffffffffffffffff) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) socketpair(0x0, 0x3, 0x6, &(0x7f0000000000)={0x0}) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r0, 0x28, 0x2, &(0x7f0000000080)=0x3ff, 0x8) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000000180)=""/4096) ioctl$TIOCMBIC(r0, 0x5417, &(0x7f0000000040)=0xfffffffffffffff7) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000001180)='/dev/sequencer2\x00', 0x200, 0x0) 2018/02/23 16:04:56 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x187100) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:56 executing program 2: r0 = socket(0x10, 0x2, 0x0) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) sendmsg$nl_route(r0, &(0x7f0000504000)={&(0x7f0000dfeff4)={0x10}, 0xc, &(0x7f000009b000)={&(0x7f00002c5fa4)=@newlink={0x5c, 0x10, 0x9, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@IFLA_IFNAME={0x14, 0x3, @syzn={0x73, 0x79, 0x7a, 0x0}}, @IFLA_MAP={0x28, 0xe}]}, 0x5c}, 0x1}, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000040)={0x0, 0x7, 0xa, [0x1, 0x0, 0x8, 0x1, 0x0, 0x8, 0xfffffffffffffff7, 0x7ff, 0x0, 0x16]}, &(0x7f0000000080)=0x1c) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000000c0)={0x2, 0x8, 0x208, 0xb3c, 0x7d4, 0x694e, 0x1e9, 0x1, r1}, 0x20) 2018/02/23 16:04:56 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r0, 0x0, 0x2000000000483, &(0x7f0000059fe8)=""/24, &(0x7f0000aed000)=0x101a3) fcntl$setpipe(r0, 0x407, 0x3ff) r1 = fcntl$getown(r0, 0x9) r2 = socket$inet6(0xa, 0x806, 0x2) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f0000000000)=""/115, &(0x7f0000000080)=0x73) ptrace$getregs(0xc, r1, 0xd7d6, &(0x7f0000000000)=""/132) ioctl$TCGETS(0xffffffffffffffff, 0x5401, &(0x7f0000000000)) 2018/02/23 16:04:56 executing program 3: pipe2(&(0x7f0000bf1000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f00002c5000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) tee(r2, r1, 0x5ec, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000300)={{{@in6=@mcast2, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@loopback}}, &(0x7f0000000400)=0xe8) sendto$packet(r3, &(0x7f0000000000)="0b5d2f1cd44171a1b63e68f99be394634231d98205c827df7cf4e44b7629cdb1b4ea34f4b7dc0aec03e5daee3f55f21750dad4b8adb5c14ef3593d1cc3c22b21fdf3e2bb75282de47772922abbb6b22e47b9fff17e0abca3c530f7ff64e1fcc413256f9ab4e66c68674fc10c65ac8a8e08589c4bffb4faa6843a6ae379166fec8c7e0a0a76a21383304f094dfe0d5e17a5d674b67707e060445dab04f0f7eaf3055f3e8f484000f9b46e0550864d197599b28de41c1cd4f096d5fd88b9fe0b030595be78908c06aba16d376db99cc5", 0xcf, 0x0, &(0x7f0000000440)={0x11, 0xf7, r4, 0x1, 0x400, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) fcntl$setpipe(r2, 0x407, 0x0) vmsplice(r3, &(0x7f0000003fe0)=[{&(0x7f000014b000)="85", 0x1}], 0x1, 0x0) tee(r0, r3, 0x3f, 0x2) 2018/02/23 16:04:56 executing program 3: r0 = syz_open_dev$urandom(&(0x7f0000c4f000)='/dev/urandom\x00', 0x0, 0x0) r1 = syz_open_dev$random(&(0x7f0000000ff4)='/dev/random\x00', 0x0, 0x0) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)={0x0}) setsockopt(r2, 0x4, 0x100000001, &(0x7f0000000040)="e824f742edd62f5a11e016c10b6581f69fbfd38bed286f251b3d7c975fcd51dcbf4d511c82a8fdb063dc6735e604346196d5f42d10b5c38ebd40491a604cc7c8e48208754aa7c5f2321699263e25d8a55189754300bf1e1e5912ef8270d7308e73ca8aa6fcb28a1aae42bb75edf7358a163068b2cafc7f7f264c1758a9f0d9ad75f2764c90fcaacb92a53e23622040cbf7ea5d8037701cf276394a572b63ca3f715c74b67bec7fc7f70f3f304db15c89a4", 0xb1) fcntl$setstatus(r1, 0x4, 0x42c00) ioctl$int_in(r0, 0x5452, &(0x7f0000a1aff8)=0xc942) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x100000c, 0x20010, r0, 0x0) r3 = syz_open_dev$random(&(0x7f0000000ff4)='/dev/random\x00', 0x0, 0x0) ioctl$int_in(r3, 0x5452, &(0x7f0000ca9ff8)=0xffffffffffff8001) [ 64.594638] FAULT_FLAG_ALLOW_RETRY missing 30 [ 64.599280] CPU: 0 PID: 9199 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 64.606895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.616236] 0000000000000000 557aa1d69093c0f3 ffff8800acf47490 ffffffff81d03f6d [ 64.624267] ffff8800b3b6b080 1ffff100159e8e9f ffff8800acf47618 0000000000000000 [ 64.632281] 0000000000000000 ffff8800acf47640 ffffffff81607365 ffffffff81237470 [ 64.640305] Call Trace: 2018/02/23 16:04:56 executing program 2: mmap(&(0x7f0000000000/0xb3c000)=nil, 0xb3c000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x40000048f, &(0x7f0000789fd4)="8735d96127345deced18b86c09bb2e83c68174708d6db960782f2ea948ddbcc1de84de4442ed43fdb02bf212", 0x2c) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x4, 0x1) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) write$evdev(r1, &(0x7f0000000080)=[{{0x0, 0x7530}, 0x81, 0x7fff, 0x5}, {{0x77359400}, 0x3, 0x564, 0x7}, {{0x0, 0x2710}, 0x800, 0x476, 0x200}, {{r2, r3/1000+10000}, 0x9, 0x2, 0x1}, {{}, 0x0, 0x3ff, 0xde}, {{0x0, 0x2710}, 0x10000, 0xce, 0x4}, {{}, 0xffff, 0x200000000, 0x1}], 0xa8) [ 64.642883] [] dump_stack+0xc1/0x124 [ 64.648239] [] handle_userfault+0x715/0xf50 [ 64.654200] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.661204] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 64.667602] [] ? handle_mm_fault+0xb5d/0x3190 [ 64.673737] [] ? userfaultfd_poll+0x180/0x180 [ 64.679878] [] ? handle_mm_fault+0x291e/0x3190 [ 64.686092] [] handle_mm_fault+0x2938/0x3190 [ 64.692125] [] ? __module_text_address+0x13/0x140 [ 64.698596] [] ? copy_page_range+0x1480/0x1480 [ 64.704812] [] ? __do_page_fault+0x780/0xa00 [ 64.710841] [] ? vmacache_find+0x57/0x290 [ 64.716604] [] __do_page_fault+0x35b/0xa00 [ 64.722457] [] do_page_fault+0x27/0x30 [ 64.727961] [] page_fault+0x28/0x30 [ 64.733209] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 64.740018] [] ? do_sys_poll+0x1a4/0xcc0 [ 64.745698] [] ? check_preempt_wakeup+0x53e/0xa70 [ 64.752155] [] ? SyS_pselect6+0x530/0x530 [ 64.757919] [] ? preempt_schedule+0x25/0x30 [ 64.763866] [] ? ___preempt_schedule+0x12/0x14 [ 64.770066] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 64.776959] [] ? try_to_wake_up+0x62/0xf60 [ 64.782832] [] ? plist_check_head+0x4a/0x60 [ 64.788772] [] ? wake_up_q+0xbe/0x130 [ 64.794189] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 64.801082] [] ? futex_wake+0x153/0x450 [ 64.806675] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.813656] [] ? userfaultfd_release+0x5a0/0x5a0 [ 64.820027] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.827006] [] ? recalc_sigpending+0x76/0xa0 [ 64.833031] [] ? __set_task_blocked+0x107/0x240 [ 64.839316] [] ? __set_current_blocked+0x4b/0xa0 [ 64.845687] [] ? retarget_shared_pending+0x210/0x210 [ 64.852407] [] ? __set_current_blocked+0x80/0xa0 [ 64.858784] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 64.865079] [] ? __set_current_blocked+0x80/0xa0 [ 64.871452] [] ? sigprocmask+0xef/0x290 [ 64.877042] [] ? sigsuspend+0x1f0/0x1f0 [ 64.882632] [] ? __might_fault+0x114/0x1d0 [ 64.888484] [] SyS_ppoll+0x1b1/0x3e0 [ 64.893817] [] ? SyS_poll+0x3f0/0x3f0 [ 64.899234] [] ? SyS_futex+0x210/0x2c0 [ 64.904738] [] ? do_futex+0x15d0/0x15d0 [ 64.910332] [] ? security_file_ioctl+0x89/0xb0 [ 64.916529] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 64.922990] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:57 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x80002) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) timer_create(0x0, &(0x7f0000000200)={0x0, 0x2a, 0x0, @tid}, &(0x7f0000000280)=0x0) timer_settime(r1, 0x1, &(0x7f0000011000)={{}, {0x77359400}}, &(0x7f0000000fe0)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000f39000), &(0x7f0000ea9ffc), &(0x7f0000bf2ffc), &(0x7f00003b8f33)) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000001ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x40000) 2018/02/23 16:04:57 executing program 7: fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000000000)={0x0, 0x0}) ptrace$peek(0x1, r0, &(0x7f0000000040)) r1 = add_key(&(0x7f0000000080)='cifs.idmap\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100)="9dd38d3599b386c431f00e5a1870c513723d85218c8a5e591472dbcfd2cb01e423c277dc19380dae01602597a8fe7a44965ce493788005947ec8decb30f29e1c371dc8aaea9b4b4baaa53940bfee849bc0935c781aee339bc34ce245e88a5cf018320b70a64fafa42907048fcb7cf27e85ab6b376cbb426790e893f775df480edffe92547d1a53232a3c72e53c4ae814caa2d077", 0x94, 0xfffffffffffffff8) socket$netlink(0x10, 0x3, 0x6) keyctl$describe(0x6, r1, &(0x7f00000001c0)=""/112, 0x70) 2018/02/23 16:04:57 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)="6ecc2f7574b545a0") ioctl$GIO_CMAP(r0, 0x4b70, &(0x7f0000000080)) 2018/02/23 16:04:57 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x100, 0x400000) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000080)={0x0, 0x17, "c680235bf9d5db4e89aa650976699e0a3f458b3b810924"}, &(0x7f00000000c0)=0x1f) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000100)={r2, 0x20f}, 0x8) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick, 0x0, {}, 0x0, 0x0, 0x8001}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 5: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$void(r0, 0x544e) 2018/02/23 16:04:57 executing program 0: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x200, 0x0) ioctl$SNDRV_TIMER_IOCTL_STOP(r0, 0x54a1) r1 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) r2 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000000c0)="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", 0x1000, 0xfffffffffffffffc) keyctl$set_timeout(0xf, r2, 0x1) syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x10000, 0x101000) syncfs(r1) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000080)=0x0) fcntl$setown(r1, 0x8, r3) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='./file0\x00', r1, &(0x7f00000000c0)='./file0\x00') r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x10000, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000080)={{{@in6=@dev, @in=@rand_addr, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@empty}}, &(0x7f0000000180)=0xe8) r4 = fcntl$getown(r0, 0x9) tkill(r4, 0x16) r5 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r5) recvfrom$ax25(r1, &(0x7f00000001c0)=""/208, 0xd0, 0x100, &(0x7f00000002c0)={0x3, {"afe7efefd6bbc1"}, 0x2}, 0x10) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f00000001c0)={@empty, 0x99b8, r3}) 2018/02/23 16:04:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000000040)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x6, @empty}, 0x22, {0x2, 0xffffffffffffffff, @broadcast=0xffffffff}, @common="65716c0000ffff130100000000000200"}) r4 = getpgrp(0xffffffffffffffff) ptrace$peekuser(0x3, r4, 0x739d) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) sendto$ipx(r1, &(0x7f0000000040)="7a72a140e734082f8d15a7eeea77036d027845b34edda02ef287c5963ec557ae3af18fd0c6930213939419d0f09a58d3a90992abeb1824494859ca0fc1b5006c8121dfcdde632eb549390a9e161a458996ad11f06f77e8c5ae24b9f70f8d6c73b8fa124159e010e6edae6f121c99c9e8d58e7be49169b887531eb3d4efd6e823ed3b56347282ced2cd7cc8134367abd19309051b1b8797a560b47378653a1ca10308f3bd9057f1e51f507f1ebd72ccb793e5bfc7de639e5a757254334a460d8c2d4b0aac569ebec60636dc52f71122f4de261e6005929f", 0xd7, 0x4000800, &(0x7f0000000140)={0x4, 0x2f9, 0x9, "2398bd338407", 0x3e4061aa}, 0x10) 2018/02/23 16:04:57 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000065fc8)={&(0x7f00002dfff4)={0x10}, 0xc, &(0x7f0000fd1000)={&(0x7f0000948000)={0x14, 0x7, 0xa, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, {}, []}, 0x14}, 0x1}, 0x0) r1 = dup(r0) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000000)=0x6, 0x4) ioctl$VT_GETMODE(r1, 0x5601, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000080)=@assoc_id=0x0, &(0x7f00000000c0)=0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000100)={0x2, 0x5, 0x8000, 0x3, 0xcc7, 0x0, 0x1, 0x100000000, r2}, &(0x7f0000000140)=0x20) 2018/02/23 16:04:57 executing program 2: clock_gettime(0x9, &(0x7f0000cd9000)) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) 2018/02/23 16:04:57 executing program 5: mmap(&(0x7f0000000000/0xb000)=nil, 0xb000, 0x0, 0x4031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000002000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0) r0 = memfd_create(&(0x7f0000000000)='(\x00', 0x3) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x10001}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f00000000c0)={r1, 0x829e, 0xb5, "06d4a36862dcd5c705eeb7044168905910278e0f4d3d7f8d962f4a17419973b85f315a4d2399c3d014645e41738afbcb3f624c57fca509bd344075da26d2eb351dee30d11772e7a31eaeb0af068a41eaa02294435f84984c2963a92f5a4eb04654b4965250cd7efbd5087c502c0ec5b2277cce83f98762b1d95c4bd1aeb1b5bef6f41ac9dc3ff7ea38d7c57fae1ba3a5f9451c7330046763adfd4ab1d934e7397daa5f3c3e81e6d685c31b56104e817533eedf379c"}, 0xbd) r2 = socket$inet(0x2, 0x3, 0x1) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x8, 0x800000008, 0x3, 0x1, 0xa2a5, 0x401, 0x6, {0x0, @in6={{0xa, 0x0, 0x1ffc0, @loopback={0x0, 0x1}, 0x6}}, 0x1, 0x7ff, 0xffffffffffffff80, 0x121, 0x1}}, &(0x7f00000000c0)=0xb8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={r3, 0x3, 0x10}, 0xc) clone(0xfffffffffffffffc, &(0x7f000000bfff), &(0x7f000000bffc), &(0x7f0000004000), &(0x7f0000007000)) mremap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000009000/0x1000)=nil) syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x2040) 2018/02/23 16:04:57 executing program 2: pipe2(&(0x7f0000989000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$sock_ifreq(r0, 0x0, &(0x7f0000000000)={@generic="1cd7d61e49a7dfced75bb32afb266254", @ifru_map={0xff, 0x2, 0x20, 0x4, 0x7, 0x1ff}}) r3 = creat(&(0x7f000009aff8)='./file0\x00', 0x0) write$sndseq(r3, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) mount(&(0x7f0000434ff8)='./file0\x00', &(0x7f0000abf000)='./file0\x00', &(0x7f0000f4c000)='jfs\x00', 0x1023402, 0x0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000000000)={{0x100000001}, {0x2, 0x1}, 0x3f, 0x1, 0x1000}) unlink(&(0x7f00003b3000)='./file0\x00') dup2(r0, r2) 2018/02/23 16:04:57 executing program 3: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) r1 = memfd_create(&(0x7f0000000080)='\x00', 0x3) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value={0x0, 0x8}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000140)={r2, @in6={{0xa, 0x3, 0x6, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0xc40000000000}}, 0x7, 0x10000}, &(0x7f0000000200)=0x98) waitid(0x0, r0, 0x0, 0x0, &(0x7f000049c000)) r3 = memfd_create(&(0x7f0000000080)='*-wlan0\x00', 0x2) ioctl$LOOP_SET_CAPACITY(r3, 0x4c07) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) futimesat(0xffffffffffffffff, &(0x7f0000c46000)='./file0\x00', &(0x7f00000000c0)={{0x0, 0x7530}, {r4, r5/1000+30000}}) 2018/02/23 16:04:57 executing program 7: mkdir(&(0x7f0000000000)='./file0\x00', 0x24) r0 = dup(0xffffffffffffffff) fadvise64(r0, 0x0, 0x5, 0x2) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x1, 0xffffffffffffffff) ioctl$LOOP_SET_FD(r2, 0x4030582a, 0xffffffffffffffff) lgetxattr(&(0x7f0000641ff8)='./file0\x00', &(0x7f00007bffef)=@known='security.selinux\x00', &(0x7f0000fbc000), 0x0) 2018/02/23 16:04:57 executing program 5: mmap(&(0x7f0000000000/0xb000)=nil, 0xb000, 0x0, 0x4031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000002000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0) r0 = memfd_create(&(0x7f0000000000)='(\x00', 0x3) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x10001}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f00000000c0)={r1, 0x829e, 0xb5, "06d4a36862dcd5c705eeb7044168905910278e0f4d3d7f8d962f4a17419973b85f315a4d2399c3d014645e41738afbcb3f624c57fca509bd344075da26d2eb351dee30d11772e7a31eaeb0af068a41eaa02294435f84984c2963a92f5a4eb04654b4965250cd7efbd5087c502c0ec5b2277cce83f98762b1d95c4bd1aeb1b5bef6f41ac9dc3ff7ea38d7c57fae1ba3a5f9451c7330046763adfd4ab1d934e7397daa5f3c3e81e6d685c31b56104e817533eedf379c"}, 0xbd) r2 = socket$inet(0x2, 0x3, 0x1) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x8, 0x800000008, 0x3, 0x1, 0xa2a5, 0x401, 0x6, {0x0, @in6={{0xa, 0x0, 0x1ffc0, @loopback={0x0, 0x1}, 0x6}}, 0x1, 0x7ff, 0xffffffffffffff80, 0x121, 0x1}}, &(0x7f00000000c0)=0xb8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={r3, 0x3, 0x10}, 0xc) clone(0xfffffffffffffffc, &(0x7f000000bfff), &(0x7f000000bffc), &(0x7f0000004000), &(0x7f0000007000)) mremap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000009000/0x1000)=nil) syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x2040) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) socketpair$inet(0x2, 0x3, 0x6, &(0x7f0000000040)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:57 executing program 5: mremap(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x3000, 0x3, &(0x7f000000b000/0x3000)=nil) r0 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x2) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f0000000000)=r0) write$evdev(r0, &(0x7f0000001fdc)=[{}, {}], 0x30) ioctl$TCSBRK(r0, 0x5409, 0x8) fsetxattr(r0, &(0x7f0000000040)=@known='system.posix_acl_default\x00', &(0x7f0000000080)='}\x00', 0x2, 0x1) 2018/02/23 16:04:57 executing program 3: r0 = socket$unix(0x1, 0x2, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000040)={0x280, @tick=0x10000, 0x800, {0x8, 0x2}, 0x0, 0x1}) dup(r1) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000040)=0x6, 0x4) getsockopt$sock_int(r0, 0x1, 0x2a, &(0x7f0000000ffc), &(0x7f0000000000)=0x4) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00001aa000)='net/psched\x00') r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000eacff0)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) r2 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x180) fcntl$getownex(r2, 0x10, &(0x7f0000000040)={0x0, 0x0}) sched_rr_get_interval(r3, &(0x7f0000000080)) connect$inet(r1, &(0x7f0000606ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000a59ffc)=0xa0, 0xc4) sendfile(r1, r0, &(0x7f000033cff8), 0x1) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0xc100, 0x0) setsockopt$inet_tcp_buf(r1, 0x6, 0xd, &(0x7f0000000080)="a7a44850a693b45332802ab1de1c912af6e7820bc70a481dad5a7a5b42117dda534974c1b8f0dc420a290191fcb944534bdce72193e74011de19d1f364654e04c7205e4dc620151b7cc6a7359a31502b7ce38d0b72911ccdba5266bd6fbb58817b6fc7d1181dcfa82669336317315fc1e1bde84b1899dcabaa6b612666f1a61377bbef43f8c3ec56c0d2be9f5a1cd2bf6e2b569dca0453d19e62700e0dfbe7372092e4a80c7bb02824a94287f601873a4cc5990f2f440162dccf2f7f5636631c9446f20fde846eed4cd200fd26e743fbcb3b512322bcef02476916", 0xdb) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x5, 0x32, 0xffffffffffffffff, 0x0) fanotify_init(0x33, 0x40800) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000180)={&(0x7f0000ff6000/0xa000)=nil, 0xa000}) 2018/02/23 16:04:57 executing program 3: r0 = socket(0x18, 0x0, 0x3) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000000)="a8fc37345466c4412b38068421ad89536a4bcb59e9b0cb6d9553a89f29c036892fc6afec9d7152973d02f4f2a06fa49ea8ebebcb4b81ed3aba684b5acf2c52f3fc63164db98d5ca76947dab5485fb8631ec660c01b9839dceed28907bd19f0ee5e55ac16c22f3016170d21e71ad52b66e613a652644697fccda278b00a2d37196e5cdc48d71c384c432bccbfa83c8ba9447e101543ccecfa4e5f12853c09e6e3dbdbce") getpeername$packet(r0, &(0x7f0000000fec)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000a8affc)=0x14) 2018/02/23 16:04:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') setsockopt$nfc_llcp_NFC_LLCP_RW(r0, 0x118, 0x0, &(0x7f0000000000)=0x1, 0x4) r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_dev$sndtimer(&(0x7f000078b000)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000001000)={{0x100000001}}) r1 = syz_open_dev$sndtimer(&(0x7f0000f37000)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000001000)={{0x100000001}}) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r1, 0x54a2) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r1, 0x54a2) r2 = accept4$ax25(0xffffffffffffff9c, &(0x7f0000000000), &(0x7f0000000040)=0x10, 0x80000) r3 = open(&(0x7f0000000080)='./file0\x00', 0x1, 0x0) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r3, 0x40505412, &(0x7f00000000c0)={0x6, 0x80000001, 0x8, 0x0, 0x6}) accept$ax25(r2, &(0x7f0000000080), &(0x7f00000000c0)=0x10) 2018/02/23 16:04:57 executing program 2: r0 = dup(0xffffffffffffffff) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x3, @loopback=0x7f000001}}, 0x7f, 0x8, 0x3, 0xffffffff00000000, 0x2}, &(0x7f00000000c0)=0xa0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r1, 0x2}, &(0x7f0000000140)=0x8) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x2, &(0x7f0000022000)=[{0x0, 0x0, 0x0, 0xffffffffffffffe0}, {0x16}]}) set_robust_list(&(0x7f0000e79000)={&(0x7f0000d12000/0x3000)=nil, 0x0, &(0x7f0000679000/0x1000)=nil}, 0x18) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/ip_tables_matches\x00') getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000040)={0x0, 0xa9, "968b9725f7fa922c92c7acdeb7ac87146261c375d8a49607174cef11b86aa649e706173c51943a7b8a7ac8f0b5644d635631a4281a237b0da1ac4db64dda3d4a5698ee679445287b9dbad9d1b13e007eab81089c35cb7c5d8807f28e1a5a892c5df81f802135ac83b96a962e7b921e1e0266c4fb646b6729ae302d0918f154c8184e0025fc6226caaca76416aedcd1dde6a353b47ae22b648ca05b037fb2542a14cbcb320b629268ee"}, &(0x7f0000000100)=0xb1) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000140)={r3, 0xe1b5, 0x7f, 0xc, 0xbda8, 0x3ff}, 0x14) 2018/02/23 16:04:57 executing program 0: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x1ff, 0x8400) getpeername$ipx(r0, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$EVIOCSKEYCODE_V2(r0, 0x40284504, &(0x7f0000000040)={0x100000000, 0xe, 0x1, 0x20, "e483037419a6dd7b808d5fb811754b0b499357b116bfab25c956b8b412f8266c"}) r1 = syz_open_dev$loop(&(0x7f0000f04000)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) r2 = fcntl$dupfd(r1, 0x0, 0xffffffffffffffff) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@empty, @in=@multicast1, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@ipv4={[], [], @local}}}, &(0x7f0000000180)=0xfffffffffffffe26) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000140)={0x0, 0x7b}, &(0x7f0000000180)=0xc) getsockopt$inet_sctp_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f00000001c0)={r4, 0x1221, 0x103, 0x64, 0xc49}, &(0x7f00000000c0)=0x14) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000140)={{{@in6=@remote, @in6=@ipv4={[], [], @multicast2}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000000240)=0xe8) setsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000280)={{{@in6=@loopback={0x0, 0x1}, @in=@dev={0xac, 0x14, 0x0, 0xa}, 0x2, 0x0, 0x3, 0x7f, 0x2, 0x80, 0x20, 0x87, r3, r5}, {0x0, 0x3, 0xfffffffffffff361, 0xffff, 0x1, 0x8, 0x53c68ad2, 0x5}, {0x4, 0x5, 0x3d9}, 0x5, 0x8, 0x2, 0x1, 0x3}, {{@in=@dev={0xac, 0x14, 0x0, 0xf}, 0x3, 0x6c}, 0xa, @in6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2, 0x6, 0x3, 0x6, 0x3, 0x17, 0x4}}, 0xe8) 2018/02/23 16:04:57 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000080)=""/4096, 0x1000}, {&(0x7f0000001080)=""/88, 0x58}], 0x2) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x587d80b36faa8f14) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000080)=0xe943, 0x4) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 5: mremap(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x3000, 0x3, &(0x7f000000b000/0x3000)=nil) r0 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x2) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f0000000000)=r0) write$evdev(r0, &(0x7f0000001fdc)=[{}, {}], 0x30) ioctl$TCSBRK(r0, 0x5409, 0x8) fsetxattr(r0, &(0x7f0000000040)=@known='system.posix_acl_default\x00', &(0x7f0000000080)='}\x00', 0x2, 0x1) 2018/02/23 16:04:57 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xa, &(0x7f0000defffc)=0xfffffffffffffffc, 0x4) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) socket$nl_crypto(0x10, 0x3, 0x15) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000040)={0x0, @multicast2, @multicast2}, &(0x7f0000000080)=0xc) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f00000000c0)={r2, 0x1, 0x6, @empty}, 0x10) socket$key(0xf, 0x3, 0x2) mq_notify(r1, &(0x7f00000002c0)={0x0, 0x25, 0x3, @thr={&(0x7f0000000100)="01c638c19a24a7ee51e828ed97cf0405ca699aa6765deb8e5035e2d752ba734c22801d73ff0606aa5d02ab8fe41c82c8a5368b474a404be7e84434dc4bc5c4ac46bbe22cdb6b20278ec45a586c35ab4ab1bdc679604bd68426b8f5d38808f6d2521a728d8e5e6590ebbf01642f1c7dadb1f6e9be942f80ab48e09af1cdc8b31f272800b50e2bc5741f260cd5a17c2de700e5fcb1a1d358bc26ba", &(0x7f00000001c0)="3baf66d71d777b0ce592dd5fd768fdd7d1542520ee7c0b1e733814ef937fefef35f5d248a5dabb5aaa0bc2dc7fa7f4c741222e6a3dc3690e534bcc214bfc5194af9ea70ecdf3622d5e8f8489f37f04b64d2b356ecc2d44a9fdcee87df2ba36c7ad675a4f153fe8ce11138594d0808a1c087e3f178dfa924dd573f452a49ad22c7d5fe0ece70dd789343750fccc5ea6ca9068f62c1291eb41e990cfd6f0c6f94144eaf126310713600f502f02ec2aacc5365bec52bb93f961ba719a6a3fcf5ece11cc660598d4568a4974b034c5"}}) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000340)=0x3, 0x4) 2018/02/23 16:04:57 executing program 3: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) ioctl$TUNSETLINK(r0, 0x400454cd, &(0x7f0000000040)=0x8) r1 = socket$key(0xf, 0x3, 0x2) unshare(0x14400) flistxattr(r1, &(0x7f0000000000)=""/196, 0xc4) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x80, 0x0) r3 = inotify_add_watch(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x4000000) getsockopt$inet_sctp6_SCTP_NODELAY(r2, 0x84, 0x3, &(0x7f0000000180), &(0x7f00000001c0)=0x4) inotify_rm_watch(r2, r3) syz_open_dev$binder(&(0x7f0000000100)='/dev/binder#\x00', 0x0, 0x800) r4 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000180)={0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000001c0)=0x20) ioctl$int_in(r2, 0x5473, &(0x7f0000000200)=0x3) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000240), &(0x7f0000000280)=0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000200)={r5, 0x800}, &(0x7f0000000240)=0x8) pipe(&(0x7f0000000140)={0x0, 0x0}) ioctl$KDSETMODE(r6, 0x4b3a, 0x800) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_dev$sndseq(&(0x7f0000000100)='/dev/snd/seq\x00', 0x0, 0x3) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) r1 = socket$netlink(0x10, 0x3, 0x3) tee(r1, r0, 0x9, 0x8) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000000)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 0: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) r1 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0xffffffffffffe003) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) 2018/02/23 16:04:57 executing program 2: r0 = dup(0xffffffffffffffff) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x3, @loopback=0x7f000001}}, 0x7f, 0x8, 0x3, 0xffffffff00000000, 0x2}, &(0x7f00000000c0)=0xa0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r1, 0x2}, &(0x7f0000000140)=0x8) seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x2, &(0x7f0000022000)=[{0x0, 0x0, 0x0, 0xffffffffffffffe0}, {0x16}]}) set_robust_list(&(0x7f0000e79000)={&(0x7f0000d12000/0x3000)=nil, 0x0, &(0x7f0000679000/0x1000)=nil}, 0x18) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/ip_tables_matches\x00') getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000040)={0x0, 0xa9, "968b9725f7fa922c92c7acdeb7ac87146261c375d8a49607174cef11b86aa649e706173c51943a7b8a7ac8f0b5644d635631a4281a237b0da1ac4db64dda3d4a5698ee679445287b9dbad9d1b13e007eab81089c35cb7c5d8807f28e1a5a892c5df81f802135ac83b96a962e7b921e1e0266c4fb646b6729ae302d0918f154c8184e0025fc6226caaca76416aedcd1dde6a353b47ae22b648ca05b037fb2542a14cbcb320b629268ee"}, &(0x7f0000000100)=0xb1) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000140)={r3, 0xe1b5, 0x7f, 0xc, 0xbda8, 0x3ff}, 0x14) 2018/02/23 16:04:57 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000223ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x2275, &(0x7f00004a2000)="46cd") mmap$binder(&(0x7f0000d4d000/0xb000)=nil, 0xb000, 0x0, 0x12, r0, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000000)={0x0}) sendmsg$nl_crypto(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4010}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)=@alg={0x120, 0x10, 0x800, 0x2, 0x0, {{'drbg_nopr_ctr_aes256\x00'}, [], [], 0x2400, 0x2000}, [{0x8, 0x1, 0xae}, {0x8, 0x1, 0x5}, {0x8, 0x1, 0x8}, {0x8, 0x1, 0x8}, {0x8, 0x1, 0x8}, {0x8, 0x1, 0x400}, {0x8, 0x1, 0x3}, {0x8, 0x1, 0x8000}]}, 0x120}, 0x1}, 0x4000000) ioctl$DRM_IOCTL_RM_CTX(r0, 0xc0086421, &(0x7f0000000040)={r1, 0x1}) fcntl$getflags(r0, 0x40a) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) socketpair(0x1b, 0x80004, 0xff, &(0x7f0000000040)={0x0, 0x0}) ioctl$SNDRV_TIMER_IOCTL_STATUS(r1, 0x80605414, &(0x7f0000000080)=""/94) r2 = memfd_create(&(0x7f0000000040)='selinux[mime_typetrusted~eth1^)vmnet1GPL$]@md5sum\x00', 0x3) mmap(&(0x7f0000a5c000/0x3000)=nil, 0x3000, 0xf, 0x13, r0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2, 0x1, @loopback=0x7f000001}}, 0x0, 0x0, 0x200, 0x5, 0x80}, &(0x7f0000000140)=0xa0) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f0000000180)={r3, 0x9, 0x3, [0xf097, 0x6, 0x1]}, &(0x7f00000001c0)=0xe) 2018/02/23 16:04:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000bf6000)=0x177, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000ed3ffc)=0x8000, 0x4) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)) sendto$inet6(r0, &(0x7f00009f0fc3), 0x0, 0x0, &(0x7f0000f5afe4)={0xa, 0x0, 0x0, @empty}, 0x1c) recvmsg(r0, &(0x7f00000004c0)={&(0x7f0000000040)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, 0x14, &(0x7f0000000440)=[{&(0x7f0000000080)=""/211, 0xd3}, {&(0x7f0000000180)=""/146, 0x92}, {&(0x7f0000000240)=""/228, 0xe4}, {&(0x7f0000000340)=""/194, 0xc2}], 0x4, &(0x7f0000000480)=""/58, 0x3a}, 0x10000) recvmmsg(r0, &(0x7f0000f61000)=[{{&(0x7f0000f62ff0)=@ipx, 0x10, &(0x7f0000f5d000)=[], 0x0, &(0x7f00006f5000)}}], 0x1, 0x2041, 0x0) 2018/02/23 16:04:57 executing program 0: r0 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x13, &(0x7f0000013000)=0x1, 0x4) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f0000000000)=""/96) getsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000013000), &(0x7f0000012000)=0xfffffffffffffe8c) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='attr/current\x00') setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000040)={0x7, {{0xa, 0x1, 0xff, @mcast2={0xff, 0x2, [], 0x1}, 0x9}}}, 0x88) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000040)={0x0, @in6={{0xa, 0x0, 0x3f, @empty, 0xffffffffffffff80}}, 0x81, 0x20}, &(0x7f0000000100)=0x98) setsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0x8000, 0x3, 0x7}, 0x10) r2 = syz_open_dev$evdev(&(0x7f0000974fee)='/dev/input/event#\x00', 0x0, 0x101002) write$evdev(r2, &(0x7f0000000000)=[], 0x0) 2018/02/23 16:04:57 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) clock_gettime(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0}) write$sndseq(r0, &(0x7f0000000080)=[{0x5, 0xff, 0x101, 0x2, @tick=0x78c, {0xb791, 0x81}, {0x3ff, 0xff}, @control={0x8, 0x3, 0x7ff}}, {0xfffffffffffffffe, 0xfffffffffffffffa, 0x3, 0x80000000, @time={r1, r2+30000000}, {0x7}, {0x1, 0x9}, @raw8={"265eb7f53a2d743484c5f8e5"}}, {0x1, 0x81, 0xffff, 0x1, @time={0x77359400}, {0xfffffffffffff4d8, 0x1f}, {0x9, 0xe9b72df}, @note={0x6, 0x3d5d, 0x3f, 0x24861705, 0xfffffffffffffff8}}, {0x1, 0x1f, 0x1, 0x4, @time={0x0, 0x989680}, {0x2, 0x4}, {0x4, 0xaeb}, @raw8={"8dd409561d660b166d3b2fe8"}}, {0x4, 0xffff, 0x200, 0x10000, @time={0x0, 0x989680}, {0x100000000, 0x4}, {0x7}, @control={0x9, 0x7, 0x7ff}}, {0x3, 0x6, 0x5, 0x3, @tick=0x1, {0xc3a0, 0x7}, {0x200000000000, 0x6}, @note={0x9, 0x7, 0x25, 0xffffffffffffff00, 0x20}}, {0x1, 0x8, 0x7ff, 0x4, @time, {0x7, 0x1}, {0x0, 0x3}, @connect={{0x3ff, 0x5}, {0xfffffffffffffffa, 0x1000}}}, {0x4, 0x8, 0x4, 0x81, @tick=0x6, {0x9}, {0x1, 0x7ff}, @note={0x4, 0x7, 0x1, 0x7fff, 0x4}}], 0x180) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 5: r0 = socket$inet(0x2, 0x80807, 0x2000000088) bind$inet(r0, &(0x7f0000b9aff0)={0x2, 0x0, @empty}, 0x10) sendto$inet(r0, &(0x7f0000f49000)="000000000000007301b5ab833028a24f", 0x10, 0x8084, &(0x7f0000319ff0)={0x2, 0x0, @dev={0xac, 0x14, 0x0, 0xa}}, 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000f7b000)=0x1, 0x8b0f) sendto$inet(r0, &(0x7f00008b3000)="05", 0x1, 0x0, &(0x7f000082dff0)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) 2018/02/23 16:04:57 executing program 4: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/policy\x00', 0x0, 0x0) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f00000000c0)) r1 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r3 = socket$inet(0x2, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r1, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 0: r0 = memfd_create(&(0x7f000000e000)='\x00 ', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000053ff3)='/dev/snd/seq\x00', 0x0, 0x101802) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) write$sndseq(r0, &(0x7f000002fffd)=[{0x0, 0x1, 0x0, 0x0, @tick=0x3, {}, {}, @ext={0x0, &(0x7f0000051000)}}], 0x30) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r0, 0x118, 0x1, &(0x7f0000000000)=0x60, 0x4) r3 = memfd_create(&(0x7f000003e000)='\'', 0x0) r4 = syz_open_dev$sndseq(&(0x7f0000d82000)='/dev/snd/seq\x00', 0x0, 0x8000000040102) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x2000004, 0x10, r4, 0x0) dup2(r4, r3) write$sndseq(r3, &(0x7f0000e6ffd0)=[{0x1e, 0x0, 0x0, 0x3fd, @time, {}, {}, @note}], 0x30) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000040)={0x0}) fcntl$F_SET_FILE_RW_HINT(r5, 0x40e, &(0x7f0000000080)=0x7) 2018/02/23 16:04:57 executing program 2: r0 = epoll_create(0x2) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f000054b000)='/dev/rtc\x00', 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f00004d4000)) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f0000551000)) epoll_create1(0x80000) 2018/02/23 16:04:57 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mice(&(0x7f00008b8ff0)='/dev/input/mice\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f0000000000)=""/217, &(0x7f0000000100)=0xd9) readv(r0, &(0x7f00008fdfc0)=[{&(0x7f0000ee4f6e)=""/146, 0x92}], 0x1) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = gettid() timer_create(0x0, &(0x7f0000066000)={0x0, 0x12, 0x0, @tid}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x989680}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r1, 0x1000000000016) 2018/02/23 16:04:57 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000ea8000)='smaps\x00') readv(r0, &(0x7f00009a5f80)=[{&(0x7f0000214000)=""/4096, 0x1000}], 0x1) readv(r0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/88, 0xfffffffffffffe1f}, {&(0x7f0000000280)=""/13}, {&(0x7f0000000200)=""/89, 0xfffffffffffffff5}], 0x1) write$selinux_context(r0, &(0x7f0000000080)='system_u:object_r:fsadm_log_t:s0\x00', 0x21) 2018/02/23 16:04:57 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000bf6000)=0x177, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000ed3ffc)=0x8000, 0x4) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)) sendto$inet6(r0, &(0x7f00009f0fc3), 0x0, 0x0, &(0x7f0000f5afe4)={0xa, 0x0, 0x0, @empty}, 0x1c) recvmsg(r0, &(0x7f00000004c0)={&(0x7f0000000040)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, 0x14, &(0x7f0000000440)=[{&(0x7f0000000080)=""/211, 0xd3}, {&(0x7f0000000180)=""/146, 0x92}, {&(0x7f0000000240)=""/228, 0xe4}, {&(0x7f0000000340)=""/194, 0xc2}], 0x4, &(0x7f0000000480)=""/58, 0x3a}, 0x10000) recvmmsg(r0, &(0x7f0000f61000)=[{{&(0x7f0000f62ff0)=@ipx, 0x10, &(0x7f0000f5d000)=[], 0x0, &(0x7f00006f5000)}}], 0x1, 0x2041, 0x0) 2018/02/23 16:04:57 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000012000/0x4000)=nil, 0x4000}, 0x1}) r1 = creat(&(0x7f000078dff8)='./file0\x00', 0x0) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time}], 0x30) link(&(0x7f0000f3bff8)='./file0\x00', &(0x7f0000000000)='./file1\x00') ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000001ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:57 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x121880, 0x0) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x200) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:57 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000ea8000)='smaps\x00') readv(r0, &(0x7f00009a5f80)=[{&(0x7f0000214000)=""/4096, 0x1000}], 0x1) readv(r0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/88, 0xfffffffffffffe1f}, {&(0x7f0000000280)=""/13}, {&(0x7f0000000200)=""/89, 0xfffffffffffffff5}], 0x1) write$selinux_context(r0, &(0x7f0000000080)='system_u:object_r:fsadm_log_t:s0\x00', 0x21) 2018/02/23 16:04:57 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000007ff3)='/dev/snd/seq\x00', 0x0, 0x0) r1 = dup2(r0, r0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r1, 0x40bc5311, &(0x7f000004d000)={0x80, 0x0, 'client1\x00', 0x0, "ffffffff2b000006", "a6e7fdc21ca077ef1dae8000000000000000f6ff2ecd999baa11b5dda31cd901"}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000000000)={{0x0, 0x3f}, {0x6, 0x5}, 0x800, 0x5}) 2018/02/23 16:04:57 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mice(&(0x7f00008b8ff0)='/dev/input/mice\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f0000000000)=""/217, &(0x7f0000000100)=0xd9) readv(r0, &(0x7f00008fdfc0)=[{&(0x7f0000ee4f6e)=""/146, 0x92}], 0x1) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = gettid() timer_create(0x0, &(0x7f0000066000)={0x0, 0x12, 0x0, @tid}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x989680}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r1, 0x1000000000016) 2018/02/23 16:04:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000040), &(0x7f0000000080)=0x4) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000040)={0x6, 0x8204, 0xfffffffffffffffe, 0x8, 0x0}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f00000000c0)={r4, 0xfffffffffffffffb, 0x5, [0x6, 0x0, 0x9, 0x7fffffff, 0x7]}, &(0x7f0000000100)=0x12) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 3: pipe2(&(0x7f0000000000)={0x0, 0x0}, 0x80800) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x4}) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffff9c, 0xc010640b, &(0x7f0000000080)={0x0, 0x0, 0x8}) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f00000000c0)={r2, r3, 0x6}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000000100)={{0x1e, 0x8}, 'port0\x00', 0x0, 0x80011, 0x0, 0x4, 0x6, 0x7, 0x0, 0x0, 0x1, 0x7}) ioctl$EVIOCGKEYCODE_V2(r1, 0x80284504, &(0x7f0000000600)=""/4096) sendmmsg(0xffffffffffffffff, &(0x7f0000007f00)=[{{0x0, 0x0, &(0x7f00000002c0)=[], 0x0, &(0x7f0000000600)=[]}}, {{&(0x7f0000000300)=@generic={0x0, "98ee226c5864627ff74525b7c6a7171d2bc99569d9d38f0bc627c61de20c29cb716c8d9a12fdb5f5fe8f38dd3555c43b457ac9d914e991ab95fd38c8338cc519cf80d69f7adcb6876b4fad1357dc76940872d43c8310f32273eab520479c6b62328ebbeeb0a5f548b093b3ebef00af8f9ba695b8f520a998e01aef000920"}, 0x80, &(0x7f0000001a40)=[], 0x0, &(0x7f0000001ac0)=[]}}], 0x2, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) 2018/02/23 16:04:57 executing program 7: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffffff) r1 = fanotify_init(0x40, 0x41000) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) socket$packet(0x11, 0x3, 0x300) r2 = syz_open_procfs(0x0, &(0x7f00006e7ff5)='net/packet\x00') socket$packet(0x11, 0x2, 0x300) preadv(r2, &(0x7f000069e000)=[{&(0x7f000031afb8)=""/72, 0x48}, {&(0x7f0000941000)=""/244, 0xf4}], 0x2, 0x0) 2018/02/23 16:04:57 executing program 0: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/policy\x00', 0x0, 0x0) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f00000000c0)) r1 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r3 = socket$inet(0x2, 0x1, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r1, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) r1 = socket$inet_icmp(0x2, 0x2, 0x1) getsockname$packet(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000180)=0x14) bind(r1, &(0x7f00000001c0)=@hci={0x1f, r2, 0x3}, 0xc) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000080)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) r1 = open(&(0x7f0000000040)='./file0\x00', 0x40200, 0xf0) ioctl$LOOP_SET_BLOCK_SIZE(r1, 0x4c09, 0xfffffffffffffff8) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:57 executing program 5: r0 = syz_open_dev$binder(&(0x7f000000fff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000007000)={0x0, 0x0, &(0x7f0000005fd4)=[], 0x0, 0x0, &(0x7f0000002000)}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f000000dfd0)={0x4, 0x0, &(0x7f000000cf68)=[@enter_looper={0x630c}], 0x1, 0x0, &(0x7f0000008f37)="c2"}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000f68fd0)={0x0, 0x0, &(0x7f0000e8dfc8)=[], 0x1, 0x0, &(0x7f000080b000)='y'}) r1 = socket$inet6(0xa, 0x80806, 0x7fffffff) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x90000, 0x0) ioctl$LOOP_SET_STATUS(r2, 0x4c02, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0xd4, 0x6, 0xa, 0x8, "a48e3d234fdae933e948cf1275f936d3895032895759ba0932685b484f6217bd8aed4e83cc28339b2f7d582ea6cd74a32ce6233d9635a2f028868270b9aafec1", "d40611e6a9cdea720a5f952fc21024226512190bbeb2ad103f6daf107b04c37e", [0xfffffffffffffe3c, 0x7]}) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f0000000000)={{0xa, 0x1, 0x9, @loopback={0x0, 0x1}, 0x1}, {0xa, 0x1, 0xd1e2, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x0, 0x11}}}, 0x2, [0x1, 0x9, 0x3f, 0x5, 0x7fffffff, 0x200, 0x4c, 0x7ff]}, 0x5c) close(r1) 2018/02/23 16:04:57 executing program 3: clone(0x200, &(0x7f0000251dca), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) r0 = dup(0xffffffffffffff9c) ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) execve(&(0x7f000007b000)='./file0\x00', &(0x7f0000a7bfc8)=[], &(0x7f00006fcff0)=[]) open(&(0x7f0000000000)='./file0\x00', 0x4c800, 0xfffffffffffffffe) open$dir(&(0x7f0000e9f000)='./file0\x00', 0x26102, 0x0) 2018/02/23 16:04:57 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x9, &(0x7f0000bfcffc), &(0x7f0000d12ffc)=0x4) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0x2) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400080, 0x0) ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, &(0x7f0000000080)=""/234) fcntl$setlease(r0, 0x400, 0x1) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000180)={{&(0x7f0000011000/0x4000)=nil, 0x4000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:57 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x9, &(0x7f0000bfcffc), &(0x7f0000d12ffc)=0x4) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0x2) 2018/02/23 16:04:57 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x9, &(0x7f0000bfcffc), &(0x7f0000d12ffc)=0x4) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0x2) 2018/02/23 16:04:57 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0xd, 0x8012, r0, 0x0) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000000000)) openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x2000, 0x0) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r1, 0x8919, &(0x7f00000000c0)={@common='ipddp0\x00', @ifru_addrs={0x2, 0x1, @empty}}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem\x00', 0x4200, 0x0) openat$selinux_context(0xffffffffffffff9c, &(0x7f0000001fef)='/selinux/context\x00', 0x2, 0x0) mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0xc, 0x10010, r0, 0x4b) 2018/02/23 16:04:57 executing program 2: unshare(0x8000400) r0 = mq_open(&(0x7f000004b000)='/$cgrouplo\x00', 0x8c2, 0x0, &(0x7f000004b000)={0xffffffffffffffff, 0x1, 0x3}) r1 = epoll_create1(0x0) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000040)='reno\x00', 0x5) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000289000)) mq_timedsend(r0, &(0x7f0000012000), 0x0, 0x0, &(0x7f0000036000)) sendmsg$key(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x2, 0x13, 0x8, 0x7, 0xe, 0x0, 0x4, 0x3, [@sadb_x_filter={0x5, 0x1a, @in6=@dev={0xfe, 0x80, [], 0x0, 0xc}, @in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x2, 0x4, 0x4}, @sadb_x_filter={0x5, 0x1a, @in=@broadcast=0xffffffff, @in=@multicast1=0xe0000001, 0x5, 0x14, 0x10}, @sadb_spirange={0x2, 0x10, 0x1, 0x1}]}, 0x70}, 0x1}, 0x80) setsockopt$inet6_tcp_int(r2, 0x6, 0x37, &(0x7f0000000080)=0x1, 0x4) epoll_pwait(r1, &(0x7f00003d9fc4)=[{}], 0x1, 0x0, &(0x7f0000e80000), 0x8) setsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f00000000c0)="1f3374c7a618202b8f714c1e29cc2e9f0956ca411bd4524bc2a6ecdfcab5faf6b7d6198777ca4f9dc253fcd9275385", 0x2f) 2018/02/23 16:04:57 executing program 7: clock_getres(0x8000a, &(0x7f0000000000)) 2018/02/23 16:04:57 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) tee(r3, r1, 0xffffffffffffff36, 0x2) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) readv(r0, &(0x7f00000005c0)=[{&(0x7f0000000000)=""/236, 0xec}, {&(0x7f0000000100)=""/32, 0x20}, {&(0x7f0000000140)=""/149, 0x95}, {&(0x7f0000000200)=""/193, 0xc1}, {&(0x7f0000000300)=""/193, 0xc1}, {&(0x7f0000000400)=""/165, 0xa5}, {&(0x7f00000004c0)=""/3, 0x3}, {&(0x7f0000000500)=""/186, 0xba}], 0x8) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000640), &(0x7f0000000680)=0xc) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000c56000)={0xaa}) r2 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f000094afe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) r3 = syz_open_dev$sndtimer(&(0x7f00000000c0)='/dev/snd/timer\x00', 0x0, 0x2001) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r3, 0xc0145401, &(0x7f0000000000)={0x800000000000000, 0x3, 0x1, 0x3, 0x7}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000013000/0x4000)=nil, 0x4000}, 0x1}) ioctl$EVIOCGEFFECTS(r4, 0x80044584, &(0x7f0000000000)) read(r3, &(0x7f000097affd), 0x0) ioctl$SNDRV_TIMER_IOCTL_STOP(r3, 0x54a1) dup3(r2, r1, 0x0) read(r1, &(0x7f0000000100)=""/196, 0xc4) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3, 0x101502) r1 = dup3(r0, r0, 0x80000) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x845, 0x6, 0x0, 0x1000, 0x5, 0x1ff, 0x6, 0x8, 0x3e, 0x5}, 0xb) mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x200000000003, 0x4d031, r0, 0x0) mq_timedreceive(0xffffffffffffffff, &(0x7f0000c88fc0)=""/64, 0x40, 0x0, &(0x7f0000462ff8)={0x77359400}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xffffffffffffffff, 0x36, r0, 0x0) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r1, 0x118, 0x1, &(0x7f0000000080)=0x10000, 0x4) 2018/02/23 16:04:57 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) open(&(0x7f0000000000)='./file0\x00', 0x216200, 0x40) sendmsg$nl_xfrm(r0, &(0x7f0000356fc8)={&(0x7f0000315ff5)={0x10}, 0xc, &(0x7f0000bea000)={&(0x7f00005acf34)=@getpolicy={0x5c, 0x15, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@multicast2=0xe0000002, @in=@local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}}, [@sec_ctx={0xc, 0x8, {0x8, 0x8, 0x0, 0x0, 0xfffffffffffffdca}}]}, 0x5c}, 0x1}, 0x0) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0xfffffffffffffffd}) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x1, 0x2000) connect$nfc_llcp(r1, &(0x7f0000000080)={0x27, 0x8, 0xfffffffffffffffb, 0x7, 0x7, 0x5, "a89079939c8c77b7dde5359ea8ac9f78ea4875344d5c46bd2704728817449fee74395fa80cd44e375bf756b53549c44b91ed3874828078398739268f163da0", 0x3aa8}, 0x60) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0x8, 0x4}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000180)={r2, @in6={{0xa, 0x3, 0x9, @loopback={0x0, 0x1}, 0x3}}, [0x224000, 0x3, 0x7f, 0x5, 0xeb2, 0x6, 0x2, 0x8001, 0x2, 0xbb7, 0x5, 0x6, 0x65ab6882, 0x7, 0x1ff]}, &(0x7f00000002c0)=0x108) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$sock_SIOCINQ(r1, 0x541b, &(0x7f0000000100)) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000300)={&(0x7f0000011000/0x3000)=nil, 0x3000}) pwritev(r1, &(0x7f0000000740)=[{&(0x7f0000000340)="4b3225b4858c52d568b5837c3b5b4002dd1b041c1a614a5838da5458f7e05711d72feb722a4205", 0x27}, {&(0x7f0000000380)="acd1244e34f189822695169a9e2dcf2af6d9df078fa7de161d3d93201e239abfb4c06b242ecf2d4619a9279e531cfd2a768f952acfe6acdacd18932fef5ed5113980a7a0e36e87696aba4ab09fa3475fab980a71319dd48ed07c9bce641cd7be23f60d0d18852479d4ba4163be1d1eda9c782f3f661f2c7afd22b0d238344a00c95abfe5a6d53bdaa24cb42a837c97ba52e2555f38b11dbe16b1feec", 0x9c}, {&(0x7f0000000440)="42cb9988a4c7afab8d40d24124d9a5086fdbb612188bc9ff5aff233dbfabc56f5c1fa1665556f6d4ba410ffe9eca3b2b3a79a2f40764062f67fe3cc04363503dc0ce147c1c04ebcafc6917d495c8e32d258c5e173516537b50ab3eefe5d32fb28c47a6e69943b50620dbda1833100d4bd2e5c4c59341605729385bd8c93484df582bbe5c7dedf0f2f8322df67c983ad88fc2756c3871fcdaf38653bd666bfe00", 0xa0}, {&(0x7f0000000500)="cc7acef0f12f593549f0b58ad60c962c691b2615cec1621412fa33de4c2c1bff3d91cda919de3c4d7919f1d01cc16295e6286895255d2513ee0d19ea6f936c5635", 0x41}, {&(0x7f0000000580)="e575afe3770beb5b2555b9ac838702814ffbe37524c7519130e5822587328df96f89978b8be306732d88be2e8d21a87a5aa5dbaf1c3c405d5380066a79a1d8c850175d7aa661d9e721d0b5bb7f9369927601a59b8018d99e4530ec6e5c52a3d231e53eb7c6dc9a553d91e55a3c650a7a752b53d763e63f1cc26745881b7d8d91bb88ceb913861bfc6d296fd1b88b31b115246c1e7fd1648a5f2479273be5c94f294cc79e6bae96fd432662b23871939a5611173d2b57e17b08eb0f404546f2a894b2feb70f8a70d8c7b55638ae9525", 0xcf}, {&(0x7f0000000680)="4803078820bb1af78f2ea842fe8e695a06574389aa2895d20b1c5611d81c985c50f8f4598a0d390ff3b6801756514c966552a43fbc15ac6d066cbde3e5cbbe9ecb2189b08f9f1b4b832acbe5042fa365be834de0de110131d32de2d0203dfe2b0d5d265b077ed5d849607c52832eb693e0ca5483d67ea41c709ee007f2d0182e6f43d878c812ac20551ab584d9534f394b3d803ecdcc0322c1c8a7c03fa8030ae303fccd77da8701ded4b0f3c40ad1", 0xaf}], 0x6, 0x36) 2018/02/23 16:04:57 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0xd, 0x8012, r0, 0x0) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000000000)) openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x2000, 0x0) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r1, 0x8919, &(0x7f00000000c0)={@common='ipddp0\x00', @ifru_addrs={0x2, 0x1, @empty}}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem\x00', 0x4200, 0x0) openat$selinux_context(0xffffffffffffff9c, &(0x7f0000001fef)='/selinux/context\x00', 0x2, 0x0) mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0xc, 0x10010, r0, 0x4b) 2018/02/23 16:04:57 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x200102) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r1, 0x111, 0x4, 0x1, 0x4) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000040), &(0x7f0000000080)=0x4) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000040)={0x6, 0x8204, 0xfffffffffffffffe, 0x8, 0x0}, &(0x7f0000000080)=0x10) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f00000000c0)={r4, 0xfffffffffffffffb, 0x5, [0x6, 0x0, 0x9, 0x7fffffff, 0x7]}, &(0x7f0000000100)=0x12) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x10, &(0x7f0000122000)="18000000020001000000be5efecd88367a00080203000008000006000e640002b900100000011c6900bb77a107567e5bdba17e19470055040097ec67a1e2010049fc2d63e000000000001418000a00000000130000c88ebbff06010000ad000000000000061475d7220342000700ecf48b05000000e7ec75e848ccfff6ba00b300024f02c62cc6e96c00442ef629cd7ed089f74164536dab653670786eaec0ef151332450f779c4865c287b7e75ab4f1b8fc393d2696b8c34000000096f201cd", 0xc0) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000040)={0x0, 0x3, 0x30, 0x8, 0x4}, &(0x7f0000000080)=0x18) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f00000000c0)={r2, 0x61, "71e647e043f211658f2992953e69b89cee38f418eecfdf6c71b3fed21f59553d6bfe19fea0f60ce78a8954c37c7f122a0fcf9c9966353c98303a1461677180756a81190abf8a7fd591333362049e7bb7b8c84f2b825a3e744e7d36da6b422904cd"}, &(0x7f0000000140)=0x69) 2018/02/23 16:04:57 executing program 6: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0xfffc, 0x0) bind$unix(r0, &(0x7f0000000040)=@abs={0x1, 0x0, 0x3}, 0x8) r1 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) getitimer(0x0, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05df1fd00000000000003213fd4cec307e0ef3d13eb790ec9a65abaf906229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f0000000080)=""/193) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}, 0x3, {}, 0x0, 0x0, 0x2}) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000080), &(0x7f00000000c0)=0x8) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:57 executing program 3: ioprio_set$pid(0x1, 0x0, 0x40000000004001) ioprio_get$pid(0x2, 0x0) r0 = accept$ipx(0xffffffffffffff9c, &(0x7f0000000000), &(0x7f0000000040)=0x10) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)=@syzn, 0x10) 2018/02/23 16:04:57 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000011000/0x4000)=nil, 0x4000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000791000/0x4000)=nil, 0x4000}) 2018/02/23 16:04:57 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3, 0x101502) r1 = dup3(r0, r0, 0x80000) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x845, 0x6, 0x0, 0x1000, 0x5, 0x1ff, 0x6, 0x8, 0x3e, 0x5}, 0xb) mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x200000000003, 0x4d031, r0, 0x0) mq_timedreceive(0xffffffffffffffff, &(0x7f0000c88fc0)=""/64, 0x40, 0x0, &(0x7f0000462ff8)={0x77359400}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xffffffffffffffff, 0x36, r0, 0x0) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r1, 0x118, 0x1, &(0x7f0000000080)=0x10000, 0x4) 2018/02/23 16:04:57 executing program 4: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x145000, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000040), &(0x7f0000000080)=0x14) r1 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r3 = socket$inet(0x2, 0xa, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r1, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:57 executing program 0: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x0, 0xffffffffffffffff) vmsplice(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)="10db19ab597906a089", 0x9}, {&(0x7f0000000040)="43e0505732345689928d362e1a53246d0624dc7db79462aca1a929066c54e35498cbcc87bcc9b2736f56efa1521d6632e95d2d47debb7638f765a49f5474e020f8b31648811fe5", 0x47}, {&(0x7f00000000c0)="d6d022765f3dfd2440fdeffe69b85cedbb7659db826cb74464e3049c0f3f0aaa08730ec48e4f77c4d74e4931b51515aeb35281af0ea304996a071b2ceb82cd19c23402cf4e963392334d76c78d47f894408c6ff4a2c12bd2b4f284b13e3ca83da178e504e73db155f4a77fc99580017c19c7cb57e75ef505b2dd6256aca543f8d5fd46426656b502c152c0b62c5dbd773ac69db23df2bb2c80b6bbd4d2dc87616d2bd704331c190c853075176fb6eef83eb2f7046e3b5ac8ac453b865aecd3d312bd31727c2f42d621136db39ce84863c2a0ebe9d6769b6e52d3eca48e4b264b6176bfab8d7ac021600906deb5703fccc8126e30c3adb47d", 0xf8}, {&(0x7f00000001c0)="91cb9eae515ef52ebc25e2984221f5b6555a84ba008fc793444a41d9fc3d6286bd97bc35c74cd81c9c203507f24bd887c04b51adee6a91deb86a6a9429a1979d63e3ed2ded5a95f65117c4bdc3c330d567555c1b02e588269b19605eb2778192eb8785d817123d803df6224248e8b61c5fdb6404743ce118cc8228f13dd4f972d739dca7930fd2e4ecd7531bb08ca4372b9b331c4462fd0b79d5fd73858a813d9fbe3c14f21707189f1ed8c2595b6db2f48cf39fb96b182e28963a0be3aa28852cabed79775308c650de39a62af39aa991b6ef6896f74425507b", 0xda}], 0x4, 0x1) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x20100) connect$nfc_llcp(r1, &(0x7f0000000040)={0x27, 0x4, 0x8, 0x3, 0x6, 0x9, "39dd6f9f1f04357b8fbb0d2fd57e7b4dfe86e7945a8fded980268567a041323ed01ecddce4b6c1fcbf35d8c6911b00fb35d60ac06410889ee73538ee99d2fc"}, 0x60) r2 = socket(0x2, 0x2, 0x0) setsockopt$inet6_udp_int(r2, 0x11, 0x1, &(0x7f0000db6ffc)=0x200ff, 0x4) ioctl$sock_SIOCGSKNS(r2, 0x894c, &(0x7f00000000c0)=0x1) ioctl$PPPIOCGMRU(r2, 0x80047453, &(0x7f0000000000)) sendto$inet(r2, &(0x7f000038cf97), 0x0, 0x0, &(0x7f0000821ff0)={0x2, 0x0, @empty}, 0x10) ioctl$BINDER_SET_MAX_THREADS(r1, 0x40046205, 0x9) sendmmsg$unix(r2, &(0x7f0000001600)=[{&(0x7f0000000f00)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000001000)=[], 0x0, &(0x7f0000001200)=[]}, {&(0x7f00000012c0)=@abs, 0x8, &(0x7f0000001440)=[], 0x0, &(0x7f00000015c0)=[]}], 0x2, 0x0) 2018/02/23 16:04:57 executing program 5: r0 = socket$inet6(0xa, 0x1080003, 0x8000020000000000) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0xffffffffffffffff, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000a83000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}}}, 0x108) 2018/02/23 16:04:57 executing program 3: mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x800, 0x0) connect$netlink(r0, &(0x7f0000000040)=@kern={0x10, 0x0, 0x0, 0x800}, 0xc) r1 = syz_open_dev$sg(&(0x7f0000e39ff7)='/dev/sg#\x00', 0x0, 0x0) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f0000000080)={{0xa, 0x1, 0x401, @mcast2={0xff, 0x2, [], 0x1}, 0x180000000000000}, {0xa, 0x0, 0x90, @empty, 0x1}, 0x9, [0x0, 0x0, 0x3, 0x9, 0x8, 0x401, 0x5, 0x1]}, 0x5c) read(r1, &(0x7f00000b8000)=""/36, 0xffffff25) 2018/02/23 16:04:57 executing program 2: r0 = syz_open_dev$binder(&(0x7f000066aff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x0}) getsockopt$sock_int(r1, 0x1, 0x23, &(0x7f0000000040), &(0x7f0000000080)=0x4) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x20011, r0, 0x0) eventfd(0x9) mq_notify(0xffffffffffffffff, &(0x7f00000015c0)={0x0, 0x0, 0x0, @tid}) 2018/02/23 16:04:57 executing program 5: openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x149480) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x1000001010, r0, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000b46fb0)={@empty, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x3000000}) [ 65.928951] handle_userfault: 11 callbacks suppressed [ 65.935849] FAULT_FLAG_ALLOW_RETRY missing 30 [ 65.940917] CPU: 0 PID: 9505 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 65.948530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.957866] 0000000000000000 466bfbed962b77c0 ffff8800bba4f490 ffffffff81d03f6d [ 65.965850] ffff8800b0526780 1ffff10017749e9f ffff8800bba4f618 0000000000000000 [ 65.973822] 0000000000000000 ffff8800bba4f640 ffffffff81607365 ffffffff81237470 [ 65.981787] Call Trace: [ 65.984348] [] dump_stack+0xc1/0x124 [ 65.989686] [] handle_userfault+0x715/0xf50 [ 65.995627] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.002612] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 66.008993] [] ? handle_mm_fault+0xb5d/0x3190 [ 66.015110] [] ? userfaultfd_poll+0x180/0x180 [ 66.021224] [] ? handle_mm_fault+0x291e/0x3190 [ 66.027423] [] handle_mm_fault+0x2938/0x3190 [ 66.033448] [] ? copy_page_range+0x1480/0x1480 [ 66.039652] [] ? __do_page_fault+0x780/0xa00 [ 66.045684] [] ? vmacache_find+0x57/0x290 [ 66.051449] [] __do_page_fault+0x35b/0xa00 [ 66.057303] [] do_page_fault+0x27/0x30 [ 66.062809] [] page_fault+0x28/0x30 [ 66.068062] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 66.074869] [] ? do_sys_poll+0x1a4/0xcc0 [ 66.080549] [] ? __might_sleep+0x90/0x1a0 [ 66.086314] [] ? futex_wait_queue_me+0x3e5/0x5d0 [ 66.092687] [] ? SyS_pselect6+0x530/0x530 [ 66.098451] [] ? check_preemption_disabled+0x3b/0x200 [ 66.105260] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 66.112153] [] ? futex_wait+0x4ad/0x610 [ 66.117744] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 66.124638] [] ? futex_wait_setup+0x330/0x330 [ 66.130751] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.137735] [] ? userfaultfd_release+0x5a0/0x5a0 [ 66.144111] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.151093] [] ? recalc_sigpending+0x76/0xa0 [ 66.157121] [] ? __set_task_blocked+0x107/0x240 [ 66.163408] [] ? __set_current_blocked+0x4b/0xa0 [ 66.169791] [] ? retarget_shared_pending+0x210/0x210 [ 66.176511] [] ? __set_current_blocked+0x80/0xa0 [ 66.182886] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 66.189718] [] ? __set_current_blocked+0x80/0xa0 [ 66.196094] [] ? sigprocmask+0xef/0x290 [ 66.201686] [] ? sigsuspend+0x1f0/0x1f0 [ 66.207282] [] ? __might_fault+0x114/0x1d0 [ 66.213143] [] SyS_ppoll+0x1b1/0x3e0 [ 66.218475] [] ? SyS_poll+0x3f0/0x3f0 [ 66.223892] [] ? SyS_futex+0x210/0x2c0 [ 66.229397] [] ? do_futex+0x15d0/0x15d0 [ 66.234989] [] ? security_file_ioctl+0x89/0xb0 [ 66.241190] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 66.247652] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:58 executing program 0: getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000d9cff4)={0x0, 0x0, 0x0}, &(0x7f000044c000)=0xc) r3 = syz_open_procfs(r0, &(0x7f0000000040)='projid_map\x00') sendfile(r3, r3, &(0x7f00006c7000), 0x2a) pipe2(&(0x7f0000000000)={0x0}, 0x80000) ioctl$LOOP_SET_FD(r3, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r4, 0x4c06, r3) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f0000000000)={0x0, 0xab, "d8fcce455a29dc23714de98ab10e4d8dc5f5ad986eaedf211adf3d52f969d77076de88f0038aa0be1760438afec41c445a3230d6d19c7e87cfde7c1f59252453fe354bc5f8e5b577da7857863ab013d8b5aa9dfb565d83f2747091543fe1c5d388975bc062da87adcbbab86e1b6eae7db0f0dd5bd1a0b5152242a48d4ef25546625494fa7a57b41b94bf64171e00360796ffdac76b3105b9d8f7042d0535a932a3760d41df04940e4ef263"}, &(0x7f00000000c0)=0xb3) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000000100)={0x800, 0x7, 0x8, 0xce90, r5}, &(0x7f0000000140)=0x10) fchown(r4, r1, r2) 2018/02/23 16:04:58 executing program 3: clone(0x0, &(0x7f000080ef80), &(0x7f0000472ffc), &(0x7f000053effc), &(0x7f00008c0f0d)) timer_create(0x5, &(0x7f0000000000)={0x0, 0x7, 0x4, @tid}, &(0x7f0000000080)) timer_create(0x4, &(0x7f00000000c0)={0x0, 0x3d, 0x6, @tid}, &(0x7f0000000140)) timer_create(0x7, &(0x7f00000011c0)={0x0, 0x1b, 0x0, @thr={&(0x7f0000000180)="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", &(0x7f0000001180)="356f6a244593d192c539963b6fd4c3d4c8387882efae"}}, &(0x7f0000001240)=0x0) timer_getoverrun(r0) 2018/02/23 16:04:58 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000000)={0x3, [0x0, 0x0, 0x0]}, &(0x7f0000000040)=0x10) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000040)={r1, 0x0, 0x0, 0xffff, 0xffffffffffffffff}, &(0x7f0000000080)=0x18) r2 = add_key(&(0x7f00000000c0)='rxrpc\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000140)="d8e228de18426f22bf5a944f2899431755a8b2059a0427dfb8015b5cf4c73b61882a83a6d2b61612065b49d73aa4ffc0b0b9d24d39c19344903a2e94d1d7194e6a7848f160285fa017637f6455c4f83debc70813fca6f3b18fd9d800c19452db976fe2f7ec8282566bcedae75dc552f40d2a6c8f9c8b329567bd6f78dac14b96dad0aa10106a7f8adfbde3c6686a77f992e5f0b1d1f573ce0a4dcdc31dac90ade12ef9fd11c8a1e1fefb51", 0xab, 0xfffffffffffffff9) keyctl$get_security(0x11, r2, &(0x7f0000000200)=""/4096, 0xfffffffffffffe35) 2018/02/23 16:04:58 executing program 2: r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f000003cff4)={0x0}, &(0x7f0000048000)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000390000)={0x0, 0x0}) r3 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x40, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0x40082404, &(0x7f0000000040)=0x1) ptrace$setopts(0x4206, r2, 0x0, 0x0) ptrace(0x4207, r2) wait4(r2, &(0x7f0000c30000), 0x0, &(0x7f0000020000)) waitid(0x0, 0x0, &(0x7f0000c2fffb), 0x9, &(0x7f0000022f70)) 2018/02/23 16:04:58 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) sysfs$2(0x2, 0x68e8, &(0x7f0000000000)=""/22) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x7c}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x9, 0x800) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:58 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000011000/0x2000)=nil, 0x2000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:58 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') r1 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) sendto$inet(r0, &(0x7f0000000040)="af92e552140b47", 0x7, 0x20000080, &(0x7f0000000080)={0x2, 0x3, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x10) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) getsockopt$inet_dccp_int(r2, 0x21, 0xf, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000140)=0x8) 2018/02/23 16:04:58 executing program 5: r0 = socket(0xa, 0x2000000001, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x31, &(0x7f0000000100)=""/250, &(0x7f0000db4000)=0x110) r1 = request_key(&(0x7f0000000000)='rxrpc\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)='system\x00', 0xfffffffffffffffe) keyctl$update(0x2, r1, 0x0, 0x0) r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) getsockname$unix(r2, &(0x7f0000000200)=@file={0x0, ""/108}, &(0x7f00000000c0)=0x6e) r3 = mmap$binder(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x100000b, 0x10, 0xffffffffffffff9c, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000280)={0x7, 0x0, 0x1, 0x8}) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f00000000c0)={0x1f, r4, 0xfffffffffffffffe, 0x3}) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffffff, 0xc018620b, &(0x7f0000000040)={r3}) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000000c0)={0x34, 0x0, &(0x7f0000000080)=[@acquire_done={0x40106309, r3}, @dead_binder_done={0x40086310, 0x4}, @acquire={0x40046305, 0x4}, @free_buffer={0x40086303, r5}], 0xfffffe69, 0x0, &(0x7f0000000200)="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"}) 2018/02/23 16:04:58 executing program 7: r0 = socket$inet6(0xa, 0x2000000000001, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000687000)=0x5c802861, 0x4) setsockopt$inet6_int(r0, 0x29, 0x46, &(0x7f0000ffc000), 0x1) setsockopt$inet6_int(r0, 0x29, 0xb, &(0x7f0000565ffc)=0x3f73, 0x4) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x0, 0x0, 0xff, 0xa, 0x100, 0x1, 0xff}, 0x20) bind$inet6(r0, &(0x7f0000402000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f0000f62fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/02/23 16:04:58 executing program 5: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000009ffc)=0x0) r1 = syz_open_procfs(r0, &(0x7f00000e4000)='ns\x00') clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) setsockopt$sock_timeval(r1, 0x1, 0x14, &(0x7f0000000040)={r2, r3/1000+30000}, 0x10) exit(0x0) getdents64(r1, &(0x7f0000418fbc)=""/68, 0x44) 2018/02/23 16:04:58 executing program 3: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) ioctl(r0, 0x4000000002283, &(0x7f0000139000)='4') r1 = fcntl$dupfd(r0, 0x406, r0) timer_create(0x4, &(0x7f0000000040)={0x0, 0x41, 0x1, @tid}, &(0x7f00000000c0)=0x0) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) timer_settime(r2, 0x1, &(0x7f0000000140)={{0x0, 0x1c9c380}, {r3, r4+30000000}}, &(0x7f0000000180)) write$evdev(r0, &(0x7f0000b5df88)=[{}, {}, {}, {{0x77359400}}], 0x60) r5 = gettid() fcntl$setlease(r1, 0x400, 0x0) ioctl$TIOCSPGRP(r0, 0x5410, &(0x7f0000000040)=r5) 2018/02/23 16:04:58 executing program 7: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000000080)='./file0\x00') mkdir(&(0x7f0000024ff6)='./control\x00', 0x0) r1 = open(&(0x7f0000022ff6)='./control\x00', 0x0, 0x0) mkdirat(r1, &(0x7f00001da000)='./file0\x00', 0x0) r2 = openat(r1, &(0x7f0000a79ff8)='./file0\x00', 0x0, 0x0) rename(&(0x7f00003f2000)='./control/file0\x00', &(0x7f0000b11ff8)='./file0\x00') mkdir(&(0x7f00000000c0)='./control/file0\x00', 0x80) renameat(r2, &(0x7f0000c95000)='./file1\x00', r1, &(0x7f0000bfa000)='./file0\x00') 2018/02/23 16:04:58 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x800000000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f000095bffc)={0x0, 0x0, 0xfffffffffffffffc}, 0x4) connect$inet(r0, &(0x7f0000561000)={0x2, 0xffffffffffffffff, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x10) ioctl$KDGKBDIACR(r0, 0x4b4a, &(0x7f0000000000)=""/30) sendto$inet(r0, &(0x7f00007d9000), 0x0, 0x20008004, &(0x7f0000ee7000)={0x2, 0x2, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, 0xfffffffffffffd18) r2 = socket(0xa, 0x2, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r2, 0x28, 0x2, &(0x7f0000000000)=0x3, 0x8) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x180, 0x0) ioctl$TIOCLINUX2(r3, 0x541c, &(0x7f0000000080)={0x2, 0x42d72a46, 0x81, 0x83, 0x3b3, 0x100000000}) connect$inet6(r2, &(0x7f00000b8fe4)={0xa, 0xffffffffffffffff, 0x10000000000000, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x100000002}, 0x1c) sendto$inet(r2, &(0x7f0000509f92), 0xff77, 0x8000, &(0x7f000055fff0)={0x2, 0x3, @loopback=0x7f000001}, 0x10) sendmsg$inet_sctp(r2, &(0x7f000009afc8)={&(0x7f0000ef5ff0)=@in={0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, 0x10, &(0x7f00008e1f70)=[], 0x0, &(0x7f0000437f70)=[]}, 0x0) 2018/02/23 16:04:58 executing program 2: r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f000003cff4)={0x0}, &(0x7f0000048000)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000390000)={0x0, 0x0}) r3 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x40, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0x40082404, &(0x7f0000000040)=0x1) ptrace$setopts(0x4206, r2, 0x0, 0x0) ptrace(0x4207, r2) wait4(r2, &(0x7f0000c30000), 0x0, &(0x7f0000020000)) waitid(0x0, 0x0, &(0x7f0000c2fffb), 0x9, &(0x7f0000022f70)) [ 66.413347] FAULT_FLAG_ALLOW_RETRY missing 30 [ 66.417920] CPU: 0 PID: 9543 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 66.425522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.434857] 0000000000000000 4c8eea053137d1d9 ffff8801c23bf490 ffffffff81d03f6d [ 66.442838] ffff8800acc27080 1ffff10038477e9f ffff8801c23bf618 0000000000000000 [ 66.450819] 0000000000000000 ffff8801c23bf640 ffffffff81607365 ffffffff81237470 [ 66.458789] Call Trace: [ 66.461352] [] dump_stack+0xc1/0x124 [ 66.466685] [] handle_userfault+0x715/0xf50 [ 66.472626] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.479609] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 66.485984] [] ? handle_mm_fault+0xb5d/0x3190 [ 66.492096] [] ? userfaultfd_poll+0x180/0x180 [ 66.498213] [] ? handle_mm_fault+0x291e/0x3190 [ 66.504412] [] handle_mm_fault+0x2938/0x3190 [ 66.510438] [] ? copy_page_range+0x1480/0x1480 [ 66.516638] [] ? __do_page_fault+0x780/0xa00 [ 66.522663] [] ? vmacache_find+0x57/0x290 [ 66.528431] [] __do_page_fault+0x35b/0xa00 [ 66.534285] [] do_page_fault+0x27/0x30 [ 66.539794] [] page_fault+0x28/0x30 [ 66.545044] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 66.551855] [] ? do_sys_poll+0x1a4/0xcc0 [ 66.557535] [] ? check_preempt_wakeup+0x53e/0xa70 [ 66.563997] [] ? SyS_pselect6+0x530/0x530 [ 66.569767] [] ? preempt_schedule+0x25/0x30 [ 66.575708] [] ? ___preempt_schedule+0x12/0x14 [ 66.581908] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 66.588808] [] ? try_to_wake_up+0x62/0xf60 [ 66.594662] [] ? plist_check_head+0x4a/0x60 [ 66.600605] [] ? wake_up_q+0xbe/0x130 [ 66.606024] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 66.612917] [] ? futex_wake+0x153/0x450 [ 66.618510] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.625493] [] ? userfaultfd_release+0x5a0/0x5a0 [ 66.631870] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.638853] [] ? ___slab_alloc.constprop.76+0x35d/0x530 [ 66.645834] [] ? recalc_sigpending+0x76/0xa0 [ 66.651860] [] ? __set_task_blocked+0x107/0x240 [ 66.658147] [] ? __set_current_blocked+0x4b/0xa0 [ 66.664525] [] ? retarget_shared_pending+0x210/0x210 [ 66.671249] [] ? __set_current_blocked+0x80/0xa0 [ 66.677621] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 66.683907] [] ? __set_current_blocked+0x80/0xa0 [ 66.690279] [] ? sigprocmask+0xef/0x290 [ 66.695871] [] ? sigsuspend+0x1f0/0x1f0 [ 66.701465] [] ? __might_fault+0x114/0x1d0 [ 66.707318] [] SyS_ppoll+0x1b1/0x3e0 2018/02/23 16:04:58 executing program 2: r0 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) execveat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000140)=[&(0x7f0000000080)='cpuset-eth0\x00', &(0x7f00000000c0)='eth0\x00', &(0x7f0000000100)='self\x00'], &(0x7f0000000300)=[&(0x7f0000000180)='mime_typeproc\x00', &(0x7f00000001c0)='posix_acl_access[md5sum\x00', &(0x7f0000000200)="406d696d655f7479706573656c660f6b657972696e672800", &(0x7f0000000240)='cpusetselinux', &(0x7f0000000280)='{md5sum\x00', &(0x7f00000002c0)="2c626465769e2f2d73656c6600"], 0xd00) socketpair(0x1, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)=@l2, 0xe, &(0x7f0000000180)=[{&(0x7f0000000040)=""/131, 0xfe78}, {&(0x7f0000000000)=""/3, 0x3}, {&(0x7f0000000180)=""/138, 0x8a}, {&(0x7f0000000240)=""/233, 0xe9}], 0x4, &(0x7f0000000380)=""/4096, 0x1000}, 0x0) ioctl$VT_GETSTATE(r1, 0x5603, &(0x7f0000000340)={0xfffffffffffffc01, 0x6, 0x2}) sendmsg(r2, &(0x7f00000004c0)={0x0, 0x380, &(0x7f0000000100)=[], 0xa7, &(0x7f0000000200)=[]}, 0x0) 2018/02/23 16:04:58 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/load\x00', 0x2, 0x0) write$selinux_load(r0, &(0x7f0000000080)={0xf97cff8c, 0xfffffffffffffe82, 'SE Linux', "a8"}, 0xffffffffffffffec) socketpair(0x0, 0x5, 0x3d7, &(0x7f0000000040)={0x0, 0x0}) ioctl$KDSKBSENT(r2, 0x4b49, &(0x7f0000000080)="ac398df567c9a90ac327e77c136f42646938e92a93875eeef5cd37af370702952d6f189df5f985fa1b0a63ff33939bf5678397024ac6be5c4aee8f06355f1ce64485b3caba04ab93335ef135d5f7e1b6252f79c6c9165f4f01498a4137cae0fc4559acdb0e3063b83a9534f9a7f545e0bff95c857cc3e8da37d83ce06f8824f96175c0015bba7065f0d2847b36d905824b2a2a5c9903dd70546dde39a74a262611a2ccab885c64439e400626cac5e189773cbf86b3634000c26ccc5896c6a01ded4403923871d539bca3fa07fbc711e6") openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) fcntl$notify(r1, 0x402, 0x30) 2018/02/23 16:04:58 executing program 2: pipe2(&(0x7f0000bf1000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) close(r1) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000040)={0x4, &(0x7f0000000000)=[{}, {}, {0x0}, {}]}) ioctl$DRM_IOCTL_GET_CTX(r1, 0xc0086423, &(0x7f0000000080)={r2, 0x2}) pipe2(&(0x7f0000d08000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) tee(r3, r1, 0x6, 0x0) clone(0x0, &(0x7f0000038f62), &(0x7f000003b000), &(0x7f0000000000), &(0x7f00000000c0)) connect$nfc_llcp(r1, &(0x7f0000000040)={0x27, 0x446b, 0x3ff, 0x6, 0xd689, 0xd025, "975fd04af4c5443c71f68f511118a16f5e90b1fd2d1e8196f45cca4a05c79564524bb14212c6100eb1b6baf92e265b0ad671eb9e92011c7bf05f0a676c843e", 0x1000}, 0x60) recvfrom(r3, &(0x7f00000000c0)=""/154, 0x9a, 0x2000, 0x0, 0x0) vmsplice(r4, &(0x7f00000aaf70)=[{&(0x7f000093b000)='8', 0x1}], 0x1, 0x0) 2018/02/23 16:04:58 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) munmap(&(0x7f00009ff000/0x600000)=nil, 0x600000) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f00002cb000)={0x0, 0x0}) r1 = syz_open_procfs(r0, &(0x7f00008a1ff7)="0300690000700000e1") write$fuse(r1, &(0x7f0000a05000)={0x30, 0x0, 0x0, @fuse_notify_retrieve_out}, 0x30) ptrace$getregs(0xc, r0, 0x7, &(0x7f0000000000)=""/72) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000000)={0xaa}) getsockname$inet(r1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, @local}, &(0x7f00000000c0)=0x10) sched_getscheduler(r0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r2, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) [ 66.712649] [] ? SyS_poll+0x3f0/0x3f0 [ 66.718067] [] ? SyS_futex+0x210/0x2c0 [ 66.723573] [] ? do_futex+0x15d0/0x15d0 [ 66.729168] [] ? security_file_ioctl+0x89/0xb0 [ 66.735368] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 66.741830] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:58 executing program 2: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000011000/0x2000)=nil, 0x2000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) [ 66.798304] syz-executor0 (9569) used greatest stack depth: 24392 bytes left [ 66.817072] FAULT_FLAG_ALLOW_RETRY missing 30 [ 66.822789] CPU: 0 PID: 9581 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 66.830446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.839783] 0000000000000000 54e5673c5f8bf655 ffff8800a89ff490 ffffffff81d03f6d [ 66.847761] ffff8800acc27200 1ffff1001513fe9f ffff8800a89ff618 0000000000000000 [ 66.855745] 0000000000000000 ffff8800a89ff640 ffffffff81607365 ffffffff81237470 [ 66.863709] Call Trace: [ 66.866270] [] dump_stack+0xc1/0x124 [ 66.871604] [] handle_userfault+0x715/0xf50 [ 66.877547] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 66.884536] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 66.890910] [] ? depot_save_stack+0x1c3/0x640 [ 66.897025] [] ? handle_mm_fault+0xb5d/0x3190 [ 66.903137] [] ? userfaultfd_poll+0x180/0x180 [ 66.909251] [] ? handle_mm_fault+0x291e/0x3190 [ 66.915455] [] handle_mm_fault+0x2938/0x3190 [ 66.921488] [] ? __module_text_address+0x13/0x140 [ 66.927949] [] ? copy_page_range+0x1480/0x1480 [ 66.934151] [] ? __do_page_fault+0x780/0xa00 [ 66.940175] [] ? vmacache_find+0x57/0x290 [ 66.945942] [] __do_page_fault+0x35b/0xa00 [ 66.951796] [] do_page_fault+0x27/0x30 [ 66.957312] [] page_fault+0x28/0x30 [ 66.962560] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 66.969367] [] ? do_sys_poll+0x1a4/0xcc0 [ 66.975046] [] ? check_preempt_wakeup+0x53e/0xa70 [ 66.981507] [] ? SyS_pselect6+0x530/0x530 [ 66.987275] [] ? preempt_schedule+0x25/0x30 [ 66.993215] [] ? ___preempt_schedule+0x12/0x14 [ 66.999413] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 67.006306] [] ? try_to_wake_up+0x62/0xf60 [ 67.012158] [] ? plist_check_head+0x4a/0x60 [ 67.018096] [] ? wake_up_q+0xbe/0x130 [ 67.023517] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 67.030411] [] ? futex_wake+0x153/0x450 [ 67.036005] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.042986] [] ? userfaultfd_release+0x5a0/0x5a0 [ 67.049359] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.056342] [] ? recalc_sigpending+0x76/0xa0 [ 67.062373] [] ? __set_task_blocked+0x107/0x240 [ 67.068658] [] ? __set_current_blocked+0x4b/0xa0 [ 67.075029] [] ? retarget_shared_pending+0x210/0x210 [ 67.081751] [] ? __set_current_blocked+0x80/0xa0 [ 67.088124] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 67.094410] [] ? __set_current_blocked+0x80/0xa0 [ 67.100786] [] ? sigprocmask+0xef/0x290 [ 67.106377] [] ? sigsuspend+0x1f0/0x1f0 [ 67.111969] [] ? __might_fault+0x114/0x1d0 [ 67.117823] [] SyS_ppoll+0x1b1/0x3e0 [ 67.123155] [] ? SyS_poll+0x3f0/0x3f0 [ 67.128572] [] ? SyS_futex+0x210/0x2c0 [ 67.134076] [] ? do_futex+0x15d0/0x15d0 [ 67.139673] [] ? security_file_ioctl+0x89/0xb0 [ 67.145879] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 67.152341] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 67.168362] FAULT_FLAG_ALLOW_RETRY missing 30 [ 67.173629] CPU: 1 PID: 9593 Comm: syz-executor2 Not tainted 4.4.116-g17c7c49 #17 [ 67.181230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.190552] 0000000000000000 86a8c935749bd634 ffff8800a97d7490 ffffffff81d03f6d [ 67.198528] ffff8800b2c2a780 1ffff100152fae9f ffff8800a97d7618 0000000000000000 [ 67.206498] 0000000000000000 ffff8800a97d7640 ffffffff81607365 ffffffff81237470 [ 67.214470] Call Trace: [ 67.217033] [] dump_stack+0xc1/0x124 [ 67.222379] [] handle_userfault+0x715/0xf50 [ 67.228327] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.235312] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 67.241696] [] ? handle_mm_fault+0xb5d/0x3190 [ 67.247808] [] ? userfaultfd_poll+0x180/0x180 [ 67.253922] [] ? handle_mm_fault+0x291e/0x3190 [ 67.260121] [] handle_mm_fault+0x2938/0x3190 [ 67.266147] [] ? copy_page_range+0x1480/0x1480 [ 67.272350] [] ? __do_page_fault+0x780/0xa00 [ 67.278378] [] ? vmacache_find+0x57/0x290 [ 67.284143] [] __do_page_fault+0x35b/0xa00 [ 67.289997] [] do_page_fault+0x27/0x30 [ 67.295501] [] page_fault+0x28/0x30 [ 67.300746] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 67.307553] [] ? do_sys_poll+0x1a4/0xcc0 [ 67.313233] [] ? check_preempt_wakeup+0x53e/0xa70 [ 67.319695] [] ? SyS_pselect6+0x530/0x530 [ 67.325464] [] ? preempt_schedule+0x25/0x30 [ 67.331404] [] ? ___preempt_schedule+0x12/0x14 [ 67.337610] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 67.344506] [] ? try_to_wake_up+0x62/0xf60 [ 67.350359] [] ? plist_check_head+0x4a/0x60 [ 67.356297] [] ? wake_up_q+0xbe/0x130 [ 67.361717] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 67.368609] [] ? futex_wake+0x153/0x450 [ 67.374200] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.381181] [] ? userfaultfd_release+0x5a0/0x5a0 [ 67.387556] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.394538] [] ? recalc_sigpending+0x76/0xa0 [ 67.400562] [] ? __set_task_blocked+0x107/0x240 [ 67.406846] [] ? __set_current_blocked+0x4b/0xa0 [ 67.413222] [] ? retarget_shared_pending+0x210/0x210 [ 67.419940] [] ? __set_current_blocked+0x80/0xa0 [ 67.426312] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 67.432597] [] ? __set_current_blocked+0x80/0xa0 [ 67.438971] [] ? sigprocmask+0xef/0x290 [ 67.444561] [] ? sigsuspend+0x1f0/0x1f0 2018/02/23 16:04:59 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x23, &(0x7f0000aab000)="02000000020001001300be8c5ee18c88", 0x10) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f0000000080)={0x20000000000000f8, &(0x7f0000000040)=[{0x0}, {}, {}]}) getsockopt$inet6_mreq(r1, 0x29, 0x15, &(0x7f0000000100)={@mcast1, 0x0}, &(0x7f0000000140)=0x14) ioctl$sock_inet6_SIOCDELRT(r1, 0x890c, &(0x7f0000000180)={@loopback={0x0, 0x1}, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, 0x1d, 0xa5a, 0x2, 0x400, 0x10001, 0x104, r3}) ioctl$DRM_IOCTL_SWITCH_CTX(r1, 0x40086424, &(0x7f00000000c0)={r2, 0x2}) 2018/02/23 16:04:59 executing program 3: mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x0, 0x18071, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/xfrm_stat\x00') r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x20000, 0x0) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) futimesat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={{0x0, 0x7530}, {r2, r3/1000+10000}}) ioctl$VT_RELDISP(r0, 0x5605) remap_file_pages(&(0x7f0000001000/0x2000)=nil, 0x2000, 0x0, 0x4, 0x0) mremap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x2000, 0x3, &(0x7f0000002000/0x2000)=nil) r4 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$UFFDIO_ZEROPAGE(r4, 0xc020aa04, &(0x7f0000000040)={&(0x7f0000ffb000/0x2000)=nil, 0x2000}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000180)=0xc) ptrace$getregset(0x4204, r5, 0x1, &(0x7f00000001c0)={&(0x7f0000000240)=""/129, 0x81}) 2018/02/23 16:04:59 executing program 5: r0 = socket$inet6(0xa, 0x80001, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0x100000001, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) fcntl$getownex(r0, 0x10, &(0x7f0000000000)) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000dbd000)={0x1, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, 0x0, 0x2, [{{0xa, 0xffffffffffffffff, 0x0, @loopback={0x0, 0x1}}}, {{0xa, 0xffffffffffffffff, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}}}]}, 0x190) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000a83000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0xffffffffffffffff, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x108) fcntl$setstatus(r0, 0x4, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x1, 0x6, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x81}}, 0x8, 0xf, 0x1, 0xffffffffffffff7f, 0x8}, &(0x7f00000000c0)=0xa0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000180)={r1, 0x54, &(0x7f0000000100)=[@in6={0xa, 0x1, 0x8, @empty, 0x3}, @in6={0xa, 0x0, 0x3, @dev={0xfe, 0x80, [], 0x0, 0xa}, 0x201b}, @in6={0xa, 0x2, 0x81, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x8}]}, &(0x7f00000001c0)=0x10) 2018/02/23 16:04:59 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000080)={0xffff, 0x2, {0x0, 0x2, 0x1ff, 0x3, 0x6}}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a, 0x0, 0x0, 0x0, 0x0, 0x8000}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:59 executing program 4: r0 = getpid() r1 = syz_open_procfs(r0, &(0x7f0000000040)='net/arp\x00') r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x9) r3 = socket$inet(0x2, 0xa, 0x0) syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000040)=0x42, 0x4) sendfile(r2, r1, &(0x7f0000fd9ff8), 0x100000001) 2018/02/23 16:04:59 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1000, 0x14000) fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000002580)={0x0, 0x0}) r2 = geteuid() r3 = getgid() r4 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x480000) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) r6 = getpgid(0x0) stat(&(0x7f0000002600)='./file0\x00', &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000026c0)={0x0, 0x0, 0x0}, &(0x7f0000002700)=0xc) r9 = socket$inet_udp(0x2, 0x2, 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)={0x0, 0x0}) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000002780)={0x0, 0x0}) r13 = socket$pppoe(0x18, 0x1, 0x0) r14 = signalfd(0xffffffffffffffff, &(0x7f00000027c0)={0x6}, 0x8) socketpair$inet6_sctp(0xa, 0x0, 0x84, &(0x7f0000002800)={0x0, 0x0}) r16 = open$dir(&(0x7f0000002840)='./file0\x00', 0xc000, 0xc) r17 = getpgid(0xffffffffffffffff) getresuid(&(0x7f0000000040), &(0x7f00000028c0), &(0x7f0000002900)=0x0) getgroups(0x4, &(0x7f0000002940)=[0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) r20 = userfaultfd(0x80000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000002980)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f00000029c0)={{{@in6=@remote, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@broadcast}}, &(0x7f0000002ac0)=0xe8) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000040)={0x0, 0x80000, r0}) ioctl$DRM_IOCTL_ADD_CTX(r23, 0xc0086420, &(0x7f0000000080)) r24 = getgid() r25 = getpgrp(0x0) r26 = getuid() accept4$vsock_stream(r9, &(0x7f00000000c0)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x80800) fstat(r11, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r0, &(0x7f0000002cc0)={&(0x7f0000000040)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000002500)=[{&(0x7f0000000080)="431e3d5dad600c3753ff1f41c2bbad11dfe37f6cfb372b5e9df5d8bfe0ce2060adff2316a0c20c5fd4e94134", 0x2c}, {&(0x7f00000000c0)="1a0223f751045ab25db2ffda23659540f490406bcf64bec96ea205e04667cd88de95ce60efc731a0faa7eb537a82288b403ce5c8721b60a5bac28aaf915ed322a9dd0fe58321e9fd84436fd5c889e6e2fd38555fc56fbd83cc9f417ee9063a981d9b949452d7318f51e927cecbc36d2295ada818ecf6915f60706b3de26b14fc823686afe9893dfeb87112c30be8d67020a796561c180120b4d19d9d09830745ef3ad237d36236b58fb2ef817139afbff255f20896a707f76fa5b4dc2e3701ad76ca17ce6e4281b01ae225695bd4322fa664102ea975c2a59cd8e391f0ea5c29aad09569fcc76886a9dc6e2f5d", 0xed}, {&(0x7f00000001c0)="bcf2031eea3e23a488267854c7a65ec783c26d4d0ef4ddd9b3ef756aa097f4f10f4081c08a1e17c544056db2e00b3b82baa1a3b8ae1cf07fdde252a3662f7839aa265d593aad728069cef66a5b5f74201325ac3313563aa02d0744b687a2084f71a8d295f86a67e239c531cf98f4d8", 0x6f}, {&(0x7f0000000240)="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0x1000}, 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0x1000}, {&(0x7f0000002240)="5cb7dd2a1104aed4319e6a4d7e76d0dba2c561a49cd3cb8cadd8f521c201eff0680a9c0a1dcc36eeb9b19f637cfac395d85ef618a9d56245d0995445552812e8f010604cfc20dee2bf2a2eaee51ea2323002d408c3ba5e89270cae5f9e4e8204c845b813afe9b4adbaadd2be58f3d36dc4eb3792dc3c28ec6b65249676dcd64d02e28c28733556195b2692e4ad727b954b6efcea4567628e", 0x98}, {&(0x7f0000002300)="57fc2976b36fe35d09957ce6eb809ae094097667938d2df7bd0d1764eacec05591a0766b3d243ab1dae8f5265f774f8416e700bac21ff0ba00abee67b72f184d6b13e59c7c7826bfb735987dfa58e5b3b3e938f40cbfb6c497fc1c93634b4243add5de9ab6a7d8b75ce1e3152b7f0307411ef21797a55f24e8cb5ff9c78e297f5b6e0bc947c41f2a4570191323b8fc5398b6d48e2e5c4431184e29aef86476f161193defd79c708241e90d774527ec0ae7cab471d1965b08d75c415585d6737d80aa1b2e734b70960814ab5b5016204fcdd0108b4d744e7057143e6e34536447606f61", 0xe3}, {&(0x7f0000002400)="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", 0xfc}], 0x8, &(0x7f0000002b80)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @rights={0x18, 0x1, 0x1, [r4, r5]}, @cred={0x20, 0x1, 0x2, r6, r7, r8}, @rights={0x20, 0x1, 0x1, [r9, r10, r12, r13]}, @rights={0x20, 0x1, 0x1, [r14, r15, r16]}, @cred={0x20, 0x1, 0x2, r17, r18, r19}, @rights={0x18, 0x1, 0x1, [r20]}, @cred={0x20, 0x1, 0x2, r21, r22, r24}, @cred={0x20, 0x1, 0x2, r25, r26, r27}], 0x110}, 0x4) seccomp(0x1, 0x0, &(0x7f0000016000)={0x2, &(0x7f0000000000)=[{0x2c}, {0x6, 0x0, 0x0, 0xffffffff}]}) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 2018/02/23 16:04:59 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)={0xaa, 0x60}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:59 executing program 0: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) sysfs$2(0x2, 0x68e8, &(0x7f0000000000)=""/22) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x7c}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x9, 0x800) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000100)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) [ 67.450157] [] ? __might_fault+0x114/0x1d0 [ 67.456011] [] SyS_ppoll+0x1b1/0x3e0 [ 67.461344] [] ? SyS_poll+0x3f0/0x3f0 [ 67.466762] [] ? SyS_futex+0x210/0x2c0 [ 67.472265] [] ? do_futex+0x15d0/0x15d0 [ 67.477860] [] ? security_file_ioctl+0x89/0xb0 [ 67.484059] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 67.490520] [] entry_SYSCALL_64_fastpath+0x1c/0x98 2018/02/23 16:04:59 executing program 7: r0 = memfd_create(&(0x7f0000876fef)='/dev/vga_arbiter\x00', 0x0) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000000)=[{0x4, 0x80}, {0x4, 0x41}], 0x2) r1 = syz_open_procfs(0x0, &(0x7f00006c3fe9)='sched\x00') sendfile(r0, r1, &(0x7f00006dbff8)=0x4000000, 0x401) 2018/02/23 16:04:59 executing program 5: r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000fa1000)={0x0}, &(0x7f0000fa1000)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f000040e000)={0x0, 0x0}) ptrace$setopts(0x4206, r2, 0x9, 0x2) ptrace(0x4207, r2) ptrace$setregset(0x4205, r2, 0x201, &(0x7f0000827000)) 2018/02/23 16:04:59 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)={0xaa, 0x41}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000080)={&(0x7f0000012000/0x4000)=nil, 0x4000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:59 executing program 3: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x501040, 0x0) readlinkat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/50, 0x32) r1 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$nl_netfilter(r0, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x1bc, 0x13, 0xb, 0x510, 0x2, 0x2, {0x2, 0x0, 0xa}, [@generic="e670a48dc9987fda27b481166c341bcd48e72375b536f766877099fb5203b31e8cfc127b84b6151cf3bd624d54e3b983cab15224b2b743c27921eeb9abd99179be532bb6f1e6ca682b9850cc5c451f1014", @generic="aa92106628d421ed1aee6328cc5da087ae1acf06b7cc182dc4ecbe661673007320ead7b6f5bfd71b52fd5036349112b720a1bf95793d51d7fa1777dbf751820d8a617e2159b50a90f9a4d088a7c721e74e23ee4f74290f93c6722bdf36b9c883ecdcfe1f1578e4351baa77ae20dafc1d223bd9f9a6e30a462c6d8bf6efd85acd0a851b5cb2f423e21eabc5f4038b6dff86faab75a6e7516982be180f9be5445c97bfb494dfdbb854bf2783c1b745bea6", @nested={0x18, 0x8, [@generic="8e49069e50e431e4eb98ff166625e9fb46"]}, @typed={0x8c, 0x5, @binary="60d75af3145cc475e23a7c80bc77692471b11d464ffe6db2b54723b84e2e6bd0b61d4e23bb17e14a39e072b9333f2bf0aa47206e83767b09f9b11268e6c35562c0e3485d230dbce52486f0918098013c77f12321cff3a6cbe4534daa79cd11270dc2b7fe85f52ae38063541ab3baf04c149ddbffc9c6a814601eb66cf250f880109c"}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4c005}, 0x801) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000af5000)='illinois\x00', 0x9) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x4, 0x31, 0xffffffffffffffff, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) linkat(r2, &(0x7f00000000c0)='./file0\x00', r2, &(0x7f0000000100)='./file0/file0\x00', 0x1400) setsockopt$inet_msfilter(r2, 0x0, 0x29, &(0x7f0000000340)={@broadcast=0xffffffff, @loopback=0x7f000001, 0x1, 0x4, [@multicast2=0xe0000002, @rand_addr=0x5, @empty, @local={0xac, 0x14, 0x0, 0xaa}]}, 0x20) socket$inet_tcp(0x2, 0x1, 0x0) connect$nfc_llcp(r2, &(0x7f0000000080)={0x27, 0x0, 0x0, 0x0, 0x0, 0x0, "4c924baf8428d05b4910359d734d4c3b8bf0326378453bd442062688a77a9f180752407613e9c91b673f7d93873075f62411dfbb5587810a0ae4add5301ae3"}, 0x58) fcntl$getflags(r2, 0x0) 2018/02/23 16:04:59 executing program 7: futex(&(0x7f000000cffc)=0x1, 0x800000000006, 0x0, &(0x7f00003b6ff0)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x40000000, 0x400000008, 0x0, &(0x7f0000000000), &(0x7f0000aba000), 0x0) r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000040)='/dev/keychord\x00', 0x200240, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000080)=0xffffffffffffffff, 0x4) r1 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x3, 0x20000) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000080)=@assoc_id=0x0, &(0x7f00000000c0)=0x4) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000100)={r2, 0xd5, "2914306b7629ff2cceeb96af6a99d9d9dfa456ad7009deb97fbd19fae1a00065563bccc201adf389e13431d8f6a4dcb5652d3ee8e88b154023385b1bc544bfca057f1a2e853a7e61cff410681fbb593b6052a71aab0a9d4abbf856183360d118a7bc2ebd3de48559485a6a664eceed218bcffd0ad42095cd63295460eff5b445599d2806332e877fc064de6ae6ba9842cb09a0099d3cc1fc39b117309a8546e046ad01b91b1d03687ed18418e7c139d012900832105213bd3bfa4ae3fac52715b9449e49c53956eb9499c64c5163eddd7d51a89a18"}, &(0x7f0000000200)=0xdd) 2018/02/23 16:04:59 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$sock_inet_SIOCDELRT(r1, 0x890c, &(0x7f00000000c0)={0x2, {0x2, 0x1, @multicast2=0xe0000002}, {0x2, 0x2, @remote={0xac, 0x14, 0x0, 0xbb}}, {0x2, 0x2, @empty}, 0x0, 0xff, 0x1, 0x4, 0xffff, &(0x7f0000000080)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x8, 0x4, 0x80000000}) fcntl$setpipe(r0, 0x407, 0xbf) ppoll(&(0x7f0000011000)=[{0xffffffffffffffff}], 0x1, &(0x7f0000000000), &(0x7f0000000ff8), 0x8) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/mls\x00', 0x0, 0x0) readv(r0, &(0x7f00000005c0)=[{&(0x7f0000000140)=""/187, 0xbb}, {&(0x7f0000000200)=""/185, 0xb9}, {&(0x7f00000002c0)=""/255, 0xff}, {&(0x7f00000003c0)=""/85, 0x55}, {&(0x7f0000000440)=""/107, 0x6b}, {&(0x7f00000004c0)=""/74, 0x4a}, {&(0x7f0000000540)=""/106, 0x6a}], 0x7) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) r4 = add_key$user(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x1}, &(0x7f00000001c0)="b2fabc456d031f1493107aa275822f8b33db2296d12f03c3d9f87167941cae11a4be2c192dee3791cac9153011fbdd6c774cf9291046458d93d4e9b0452bb3f1a26a9ef93656bb1b92509c3e355fb6837c659cb9a808ac1ba18d748103cb0f", 0x5f, 0xfffffffffffffffa) keyctl$invalidate(0x15, r4) setsockopt$inet_opts(r3, 0x0, 0x4, &(0x7f0000267000)="440d0516120000831d078d00ec", 0xd) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000640)={0x0, 0x3e}, &(0x7f0000000680)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f00000006c0)={r5, 0x800}, 0x8) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/23 16:04:59 executing program 3: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x501040, 0x0) readlinkat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/50, 0x32) r1 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$nl_netfilter(r0, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x1bc, 0x13, 0xb, 0x510, 0x2, 0x2, {0x2, 0x0, 0xa}, [@generic="e670a48dc9987fda27b481166c341bcd48e72375b536f766877099fb5203b31e8cfc127b84b6151cf3bd624d54e3b983cab15224b2b743c27921eeb9abd99179be532bb6f1e6ca682b9850cc5c451f1014", @generic="aa92106628d421ed1aee6328cc5da087ae1acf06b7cc182dc4ecbe661673007320ead7b6f5bfd71b52fd5036349112b720a1bf95793d51d7fa1777dbf751820d8a617e2159b50a90f9a4d088a7c721e74e23ee4f74290f93c6722bdf36b9c883ecdcfe1f1578e4351baa77ae20dafc1d223bd9f9a6e30a462c6d8bf6efd85acd0a851b5cb2f423e21eabc5f4038b6dff86faab75a6e7516982be180f9be5445c97bfb494dfdbb854bf2783c1b745bea6", @nested={0x18, 0x8, [@generic="8e49069e50e431e4eb98ff166625e9fb46"]}, @typed={0x8c, 0x5, @binary="60d75af3145cc475e23a7c80bc77692471b11d464ffe6db2b54723b84e2e6bd0b61d4e23bb17e14a39e072b9333f2bf0aa47206e83767b09f9b11268e6c35562c0e3485d230dbce52486f0918098013c77f12321cff3a6cbe4534daa79cd11270dc2b7fe85f52ae38063541ab3baf04c149ddbffc9c6a814601eb66cf250f880109c"}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4c005}, 0x801) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000af5000)='illinois\x00', 0x9) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x4, 0x31, 0xffffffffffffffff, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) linkat(r2, &(0x7f00000000c0)='./file0\x00', r2, &(0x7f0000000100)='./file0/file0\x00', 0x1400) setsockopt$inet_msfilter(r2, 0x0, 0x29, &(0x7f0000000340)={@broadcast=0xffffffff, @loopback=0x7f000001, 0x1, 0x4, [@multicast2=0xe0000002, @rand_addr=0x5, @empty, @local={0xac, 0x14, 0x0, 0xaa}]}, 0x20) socket$inet_tcp(0x2, 0x1, 0x0) connect$nfc_llcp(r2, &(0x7f0000000080)={0x27, 0x0, 0x0, 0x0, 0x0, 0x0, "4c924baf8428d05b4910359d734d4c3b8bf0326378453bd442062688a77a9f180752407613e9c91b673f7d93873075f62411dfbb5587810a0ae4add5301ae3"}, 0x58) fcntl$getflags(r2, 0x0) 2018/02/23 16:04:59 executing program 5: ioperm(0x0, 0x1000, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/udp\x00') setsockopt$inet_udp_int(r0, 0x11, 0x1, &(0x7f0000000040)=0xffffffffffffff01, 0x4) clone(0x80000, &(0x7f0000667000), &(0x7f0000752000), &(0x7f0000160000), &(0x7f00009f4fff)) 2018/02/23 16:04:59 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1000, 0x14000) fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000002580)={0x0, 0x0}) r2 = geteuid() r3 = getgid() r4 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x480000) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) r6 = getpgid(0x0) stat(&(0x7f0000002600)='./file0\x00', &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000026c0)={0x0, 0x0, 0x0}, &(0x7f0000002700)=0xc) r9 = socket$inet_udp(0x2, 0x2, 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)={0x0, 0x0}) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000002780)={0x0, 0x0}) r13 = socket$pppoe(0x18, 0x1, 0x0) r14 = signalfd(0xffffffffffffffff, &(0x7f00000027c0)={0x6}, 0x8) socketpair$inet6_sctp(0xa, 0x0, 0x84, &(0x7f0000002800)={0x0, 0x0}) r16 = open$dir(&(0x7f0000002840)='./file0\x00', 0xc000, 0xc) r17 = getpgid(0xffffffffffffffff) getresuid(&(0x7f0000000040), &(0x7f00000028c0), &(0x7f0000002900)=0x0) getgroups(0x4, &(0x7f0000002940)=[0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) r20 = userfaultfd(0x80000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000002980)=0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f00000029c0)={{{@in6=@remote, @in6=@loopback, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@broadcast}}, &(0x7f0000002ac0)=0xe8) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000040)={0x0, 0x80000, r0}) ioctl$DRM_IOCTL_ADD_CTX(r23, 0xc0086420, &(0x7f0000000080)) r24 = getgid() r25 = getpgrp(0x0) r26 = getuid() accept4$vsock_stream(r9, &(0x7f00000000c0)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x80800) fstat(r11, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r0, &(0x7f0000002cc0)={&(0x7f0000000040)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000002500)=[{&(0x7f0000000080)="431e3d5dad600c3753ff1f41c2bbad11dfe37f6cfb372b5e9df5d8bfe0ce2060adff2316a0c20c5fd4e94134", 0x2c}, {&(0x7f00000000c0)="1a0223f751045ab25db2ffda23659540f490406bcf64bec96ea205e04667cd88de95ce60efc731a0faa7eb537a82288b403ce5c8721b60a5bac28aaf915ed322a9dd0fe58321e9fd84436fd5c889e6e2fd38555fc56fbd83cc9f417ee9063a981d9b949452d7318f51e927cecbc36d2295ada818ecf6915f60706b3de26b14fc823686afe9893dfeb87112c30be8d67020a796561c180120b4d19d9d09830745ef3ad237d36236b58fb2ef817139afbff255f20896a707f76fa5b4dc2e3701ad76ca17ce6e4281b01ae225695bd4322fa664102ea975c2a59cd8e391f0ea5c29aad09569fcc76886a9dc6e2f5d", 0xed}, {&(0x7f00000001c0)="bcf2031eea3e23a488267854c7a65ec783c26d4d0ef4ddd9b3ef756aa097f4f10f4081c08a1e17c544056db2e00b3b82baa1a3b8ae1cf07fdde252a3662f7839aa265d593aad728069cef66a5b5f74201325ac3313563aa02d0744b687a2084f71a8d295f86a67e239c531cf98f4d8", 0x6f}, {&(0x7f0000000240)="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0x1000}, 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0x1000}, {&(0x7f0000002240)="5cb7dd2a1104aed4319e6a4d7e76d0dba2c561a49cd3cb8cadd8f521c201eff0680a9c0a1dcc36eeb9b19f637cfac395d85ef618a9d56245d0995445552812e8f010604cfc20dee2bf2a2eaee51ea2323002d408c3ba5e89270cae5f9e4e8204c845b813afe9b4adbaadd2be58f3d36dc4eb3792dc3c28ec6b65249676dcd64d02e28c28733556195b2692e4ad727b954b6efcea4567628e", 0x98}, {&(0x7f0000002300)="57fc2976b36fe35d09957ce6eb809ae094097667938d2df7bd0d1764eacec05591a0766b3d243ab1dae8f5265f774f8416e700bac21ff0ba00abee67b72f184d6b13e59c7c7826bfb735987dfa58e5b3b3e938f40cbfb6c497fc1c93634b4243add5de9ab6a7d8b75ce1e3152b7f0307411ef21797a55f24e8cb5ff9c78e297f5b6e0bc947c41f2a4570191323b8fc5398b6d48e2e5c4431184e29aef86476f161193defd79c708241e90d774527ec0ae7cab471d1965b08d75c415585d6737d80aa1b2e734b70960814ab5b5016204fcdd0108b4d744e7057143e6e34536447606f61", 0xe3}, {&(0x7f0000002400)="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", 0xfc}], 0x8, &(0x7f0000002b80)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @rights={0x18, 0x1, 0x1, [r4, r5]}, @cred={0x20, 0x1, 0x2, r6, r7, r8}, @rights={0x20, 0x1, 0x1, [r9, r10, r12, r13]}, @rights={0x20, 0x1, 0x1, [r14, r15, r16]}, @cred={0x20, 0x1, 0x2, r17, r18, r19}, @rights={0x18, 0x1, 0x1, [r20]}, @cred={0x20, 0x1, 0x2, r21, r22, r24}, @cred={0x20, 0x1, 0x2, r25, r26, r27}], 0x110}, 0x4) seccomp(0x1, 0x0, &(0x7f0000016000)={0x2, &(0x7f0000000000)=[{0x2c}, {0x6, 0x0, 0x0, 0xffffffff}]}) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 2018/02/23 16:04:59 executing program 0: r0 = open(&(0x7f00003b6ff8)='./file0\x00', 0x10000000080040, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000000000)={0x7f, 0x0, 0x100000001, 0x0, 0x0}, &(0x7f0000000040)=0x10) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000080)={r1, 0x40}, 0x8) fcntl$setlease(r0, 0x400, 0x0) fcntl$getflags(r0, 0x401) 2018/02/23 16:04:59 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @tick}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000080)={0x0, @time={0x77359400}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/02/23 16:04:59 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000462000)='net/arp\x00') getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x9, 0x28ea, 0xffffffffffff3097, 0x200, 0x7}, &(0x7f0000000040)=0x14) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000080)={r1, @in={{0x2, 0x0, @rand_addr=0x2}}, 0x6, 0x4, 0x800, 0x1, 0x1}, &(0x7f0000000140)=0xa0) r2 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x10000) r3 = socket$inet(0x2, 0xa, 0x0) r4 = syz_open_dev$tun(&(0x7f0000a9dff3)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000f32000)={@common='eql\x00', @ifru_names=@generic="c15c9a8b74308b1b2c5d0ce63d9d8226"}) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000483fbc)={{0x2, 0xffffffffffffffff, @multicast1=0xe0000001}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0xb, {0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, @common="65716c0000ffff130100000000000200"}) sendfile(r2, r0, &(0x7f0000fd9ff8), 0x100000001) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000040)=0xd, 0x4) 2018/02/23 16:04:59 executing program 3: r0 = syz_open_dev$sg(&(0x7f0000058ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x5385, &(0x7f0000ca7000)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000040)={0x0, @in={{0x2, 0x1, @multicast1=0xe0000001}}, [0x6, 0x0, 0x1000, 0xfc, 0x9, 0x100000001, 0x7fffffff, 0x5, 0x1, 0x1, 0x5, 0x0, 0x4, 0x1f, 0xde4f]}, &(0x7f0000000180)=0x108) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000001c0)={r2, @in={{0x2, 0x0, @rand_addr=0x8}}, 0xffffffffffffff01, 0x5a, 0x3, 0x7, 0x80}, &(0x7f00000001c0)=0x68) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000280)={0x0, 0x4, 0x8, 0x7, 0x5d, 0xfffffffffffffff7, 0x8, 0x9, 0x100, 0x6, 0x3}, 0xb) getsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000280), &(0x7f00000002c0)=0xb) 2018/02/23 16:04:59 executing program 5: r0 = accept4$inet6(0xffffffffffffff9c, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x0, @local}, &(0x7f0000000040)=0x1c, 0x800) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000080)={0x1, 0x40, 0x2, 0x9, 0x10001}, 0x14) pipe(&(0x7f00000000c0)={0x0, 0x0}) r3 = getpid() getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000001340)={{{@in6=@local, @in=@remote, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in=@dev}}, &(0x7f0000001440)=0xe8) lstat(&(0x7f0000001480)='./file0\x00', &(0x7f00000014c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000001700)=0x0) lstat(&(0x7f0000001740)='./file0\x00', &(0x7f0000001780)={0x0, 0x0, 0x0, 0x0, 0x0}) r9 = getgid() ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000001800)=0x0) stat(&(0x7f0000001840)='./file0\x00', &(0x7f0000001880)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000001900)='./file0\x00', &(0x7f0000001940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r2, &(0x7f0000003580)=[{&(0x7f0000000100)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000001300)=[{&(0x7f0000000140)="4f3484b42dfc560344c6c2dabf458a4e1af135cbb9a25f54ec65f976a6fac4a262b57f31e09d509b2e83db17675c90d7814a149bb7a2df06254faa653f56e0ca9a5a5dd2f1e140498850fbd1b712a7397f1e47124cac065492a514890b927df3f75d281078d4279f94e71a57c3e88dcd278dd455a13a238f8d78e0e931d4bd07309cd30d6bed2f1ea3e8e519cf6a4d4e1dca5c3a40a29c0c957cc5823a1d053efde648ea39e1", 0xa6}, {&(0x7f0000000200)="eff99b190f6fe9dfa4b3d2d6d95954b36ece25d59f6228b47bac72522522b0d460539e6404623029875df8ee566cdc1ea09d86566e1c5ebdf9ab8ab528fe46486e8c16b92532816ba242615fce9294c90a49f9c66df7f67816173be0915c45c5a01b7148de949069ab7d21d23d71d3db1f78a71247cd48798b61b167a496df2f83077f9824db603e7cb3d39a618c728958465dcab974af3bac8646f2f8fb78b4968cf5631572acca0ea31894f6e48e8645ece5484f", 0xb5}, {&(0x7f00000002c0)="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{&(0x7f0000001dc0)="c43e89fda2bb2cf9e2f4a61404461b685fd8a2806f08359ead643886795ba59a3c96acac539258ce9046c0bee7db795444637a4f2d3c474ebdb75af5ecb5c0a308de2eecc2c951ae7fd5e6edcd50aa285ed174b3944f82031b6da4169ba097ae496a7bbef430b602c27f161415a76e2af888e5c7ffc361aca6b334c26163d77a3125b3a4597a0c71edaea5c57c0e2c36da86126a157d5274b95393f46c6e0176230e60b39c41bedb5c91", 0xaa}], 0x4}, {&(0x7f0000001ec0)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000001f80)=[{&(0x7f0000001f00)="15b5b2226852899a12d7bb03112494a7c8fe20e9886e73fdaa643322cfeced08d5ac9b79400b79abd2d021444b9893a4f1fa0f9a52e2a929fabc2b7b883c59fb41da634f892fa359acfe8193ab518816f253348df578fbf16b26ea041b6612599e0dfba62c12ff02ff1b41ffee319bd7db79c4758e6d", 0x76}], 0x1, &(0x7f0000001fc0)=[@rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}], 0x60, 0x20000000}, {&(0x7f0000002040)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000003500)=[{&(0x7f0000002080)="47bbdb26fd0cbf56b75d1874c8431366f305dadfa120419ae64f8302a58836b957526c967a29cde6b37a7c5bc66e7b1d825ce90f2c466259c7c86b2231418766ac5f06e35e78666c32022fcd4c4d2b08e338ca0ccc8a009fcf6aa657e1fe4a8cc9ca946bc57899d1d869cba60707913e9b0152e8087faf4c7a4cd72f4cb4f6f9b863bee61a5829c5df", 0x89}, {&(0x7f0000002140)="95fd0755eb4c8d75b922ded360435256846a31dfb9a6f92be8dfbe6fe7fe476d17dd399732104fb41e7339f02527dbe2a09102dae5f21ecb68668f1a45eae59524d0518a3f38e15e5eea9ffeca80f3efe086b246f45e1951d101ae71aa68fcc4e4f6ebb9fb9277f25c79384f4d20ecf5b4e5b70b58a4ed9109d40ad6d434799edefab373fcbee5693f5e83861afc519aaf207597a6bec29520a060071c143b94e67df5b57200a610", 0xa8}, {&(0x7f0000002200)="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", 0x1000}, {&(0x7f0000003200)="e454d249eb9713e6f6893a85f2e840bc44007230ec9bb24fa9556d46795f922e20f215c0bb8ec4bc9e76173127032dc37c129198ac8f8a8530b426cb6ca2d7b03321c3ae205a694c34900ba3637a9e81345e4b8b532f158cde3ea74a07d626ac54542e6bf08e43fb85be6ff443ccf58d8f71cafca9a66eb3a7d8240895dcbb3f5ccfb813fd88433f47cddb8cce60322fc8a213e99def28be44efa4fd011bf56c9fac1d4cebcfd63e2d14dbfd242d1e7e", 0xb0}, {&(0x7f00000032c0)="fc17b0296bffbf3b34ee82d107b8c14cfcbe753d4341bdfe8202a867284cd844630e99ec1fe5d1ce4bf4d259d9a08c8d366031be26b234b9d465852391ba684bd6f5a61c199421ba797b6dd92d0737f4988b5bb9ddb36d26a1b24c30a7fea4d57e2f0546a76e6689f3291ee90edd7207afaba75e40067995957008612935f2ebf9da410177f9060d2e2f160dd8a3e1fce00d609010ef171a3fae12dae93dd25c6b2568c040a7bed7d586d5c3800acb6e99a0f678fbc58f4ed998a4699c403eeeb39059f1c39fd58c74fa81060c1fcf48c7a0ea778ee0ccc43c8aa403f76ca254998da05c9c2aa70670380c622e2b833072610a59", 0xf4}, {&(0x7f00000033c0)="2b18ca0cc5ad1038c2e11be849f954635eeaf9549a3afd1abe63d53d4854bf4498367d3e2b6e020430667e7cc07c2ef0593c09e12763b0ebe3c22d46dc", 0x3d}, {&(0x7f0000003400)="3055ae059255693f61b7325700d08b2e312fe1e67096882d3a19cd31fd019352991ce80066ba915225643dfe512c495afa1a5422ac4663c7691c31b1f7da2980cd3894a40f276b01400cf818788969965ab7c79e94e586aa993437af60f0e91114118c1aaaa726a917e6fc0cae7b3017ddb36d6379bfad8acd92a5a557bd7ba63630f95cc86e1680c50b3e9e863ba9c7a41afd9553f73697bd3353ae", 0x9c}, {&(0x7f00000034c0)="1dae6215edbe9bfeafca893261e1743075fdbf95f390a82d7cb42b8d6602ba", 0x1f}], 0x8, 0x0, 0x0, 0x4000001}], 0x5, 0x0) r13 = syz_open_dev$mice(&(0x7f00000036c0)='/dev/input/mice\x00', 0x0, 0x8000) ioctl$SIOCGIFMTU(r13, 0x8921, &(0x7f0000003700)={@common}) ioctl$TCSETSW(r13, 0x5403, &(0x7f0000003740)={0xff, 0x9, 0x7fff, 0x14cd, 0x0, 0x4, 0x3, 0x0, 0x1f, 0xb1e, 0x5, 0x4}) fstat(r1, &(0x7f0000003780)) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r13, 0x84, 0x16, &(0x7f0000003800)={0x3, [0x6, 0x7fff, 0xfee]}, &(0x7f0000003840)=0xa) set_robust_list(&(0x7f0000003880)={&(0x7f0000ffa000/0x3000)=nil, 0x400, &(0x7f0000ffc000/0x2000)=nil}, 0x18) ioctl$TUNSETQUEUE(r13, 0x400454d9, &(0x7f0000003900)={@common='teql0\x00', @ifru_data=&(0x7f00000038c0)="4a36b01cca148c2c24b8774113e50b2d557d097d33ce8b088784d42de10b7e88"}) getgid() sendmsg$netrom(r2, &(0x7f0000003c80)={&(0x7f0000003980)=@ax25={0x3, {"d4ab9d64e90dc0"}, 0x9}, 0x10, &(0x7f0000003ac0)=[{&(0x7f00000039c0)="ccbae945e47caf413ab06d9db5216c8aa82c2ef0709717b570441cd4a8d752ac86126e4204406515d9d4a1a28216ba8687f98b6a7a28b167a890397f9833b6afd1226fb23e8de5766a566b073a802c99523f81a6fe3a2bca6795c960432daf97d553284bf67197d42b5947e316135350b26d761ad8a02e637c2e6dd63b708516a9ff58b725734361f9ea0671b5be8397c029bcc83c240a27463e6079459bd0c59004532d36e7b22a49528f02f039c67a7af0ddbdf0bd60e454027e7e2ec45a9462dac61cc3812a6400a117dee0a862c2c1264229d564e14bacfafcc3ade5b25ae016082ee8cfa3991ccef1c219d6fa921e0acf", 0xf3}], 0x1, &(0x7f0000003b00)=[{0xe0, 0x115, 0x81, "605408afd51e3222a264334be6b3bd00ebe53373af7ad76609d945532460baa0c1588d1ed982ac29418aefc3fb51ee38a993c1ea721b1d18823d4e61500de44c2c2d5048e5215fe2610559a79518f8c1ee6fa9ab5b06320074ffaa633dd23d60ed01aea1c3ad9d41b72530c70f0eb7e2f9b6c758c0f4312cc7bb027560ca3ee1b7b5275e258172e91625031f811fd30ee565c5ead70c8ebf355cbcea5d102210880e36335531fe2bf6247b81090d285b4df18336e43e4ecfe78766abe99e989a63f46ce2c1ac331f19"}, {0x20, 0x10f, 0x6, "a6fc21f9624b5faca8c529b58870"}, {0x18, 0x114, 0x7, "9a79b412e270"}, {0x40, 0x114, 0x0, "8463e96cf31b7e5e243bd94c9b2ff014d5c4107d49a0a0eca9e470cda62bdb9c4cf2418b43442f6a23"}], 0x158, 0x8010}, 0x48010) setsockopt$packet_fanout(r13, 0x107, 0x12, &(0x7f0000003cc0)={0x7adf1113, 0x6, 0x8000}, 0x4) sync_file_range(r1, 0x838, 0x5, 0x2) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f0000003d00)={0x7, 0x2}) ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000003d40)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags=0x8000}) sendmsg$nl_xfrm(r13, &(0x7f0000003f00)={&(0x7f0000003d80)={0x10, 0x0, 0x0, 0x64}, 0xc, &(0x7f0000003ec0)={&(0x7f0000003dc0)=@getspdinfo={0xfc, 0x25, 0x0, 0x6, 0x2, 0x4, [@sa={0xe8, 0x6, {{@in=@local={0xac, 0x14, 0x0, 0xaa}, @in=@rand_addr=0x3, 0x1, 0x8001, 0x1, 0x3, 0xa, 0x0, 0x20, 0x7b, r4, r11}, {@in=@multicast1=0xe0000001, 0x3, 0x2b}, @in=@loopback=0x7f000001, {0x7ff, 0x7fffffff, 0x998f, 0x880, 0x8d2, 0x2, 0x3, 0x9}, {0x4df, 0x80000001, 0x8, 0x2}, {0x80000000, 0x5, 0x2}, 0x7, 0x2, 0x0, 0x4, 0x0, 0x10}}]}, 0xfc}, 0x1, 0x0, 0x0, 0x4080}, 0x8000) getpeername(r1, &(0x7f0000003f40)=@ax25, &(0x7f0000003f80)=0x10) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000003fc0)={0x0, 0xfffffffffffffff7}, &(0x7f0000004000)=0x8) setsockopt$inet_sctp6_SCTP_MAXSEG(r13, 0x84, 0xd, &(0x7f0000004040)=@assoc_value={r14, 0x80}, 0x8) 2018/02/23 16:04:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x82400, 0x0) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f000001fff4)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f000001afc4)=@newneigh={0x28, 0x1c, 0x201, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@NDA_DST_MAC={0xc, 0x1, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff, 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 67.703820] FAULT_FLAG_ALLOW_RETRY missing 30 [ 67.716626] CPU: 1 PID: 9663 Comm: syz-executor1 Not tainted 4.4.116-g17c7c49 #17 [ 67.724260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.733600] 0000000000000000 4b568d5ab7677d31 ffff8800aad17490 ffffffff81d03f6d [ 67.741581] ffff8800acc27b00 1ffff100155a2e9f ffff8800aad17618 0000000000000000 [ 67.749541] 0000000000000000 ffff8800aad17640 ffffffff81607365 ffffffff81237470 [ 67.757503] Call Trace: [ 67.760063] [] dump_stack+0xc1/0x124 [ 67.765395] [] handle_userfault+0x715/0xf50 [ 67.771335] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.778314] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 67.784690] [] ? handle_mm_fault+0xb5d/0x3190 [ 67.790805] [] ? userfaultfd_poll+0x180/0x180 [ 67.796923] [] ? handle_mm_fault+0x291e/0x3190 [ 67.803129] [] handle_mm_fault+0x2938/0x3190 [ 67.809153] [] ? depot_save_stack+0x1c3/0x640 [ 67.815266] [] ? copy_page_range+0x1480/0x1480 [ 67.821466] [] ? __do_page_fault+0x780/0xa00 [ 67.827489] [] ? vmacache_find+0x57/0x290 [ 67.833252] [] __do_page_fault+0x35b/0xa00 [ 67.839106] [] do_page_fault+0x27/0x30 [ 67.844615] [] page_fault+0x28/0x30 [ 67.849858] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 67.856665] [] ? do_sys_poll+0x1a4/0xcc0 [ 67.862341] [] ? check_preempt_wakeup+0x53e/0xa70 [ 67.868799] [] ? SyS_pselect6+0x530/0x530 [ 67.874570] [] ? preempt_schedule+0x25/0x30 [ 67.880507] [] ? ___preempt_schedule+0x12/0x14 [ 67.886712] [] ? _raw_spin_unlock_irqrestore+0x6b/0x70 [ 67.893606] [] ? try_to_wake_up+0x62/0xf60 [ 67.899457] [] ? plist_check_head+0x4a/0x60 [ 67.905394] [] ? wake_up_q+0xbe/0x130 [ 67.910815] [] ? drop_futex_key_refs.isra.10+0x6c/0xe0 [ 67.917708] [] ? futex_wake+0x153/0x450 [ 67.923298] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.930281] [] ? avc_ss_reset+0x110/0x110 [ 67.936045] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 67.943026] [] ? recalc_sigpending+0x76/0xa0 [ 67.949051] [] ? __set_task_blocked+0x107/0x240 [ 67.955338] [] ? __set_current_blocked+0x4b/0xa0 [ 67.961710] [] ? retarget_shared_pending+0x210/0x210 [ 67.968431] [] ? __set_current_blocked+0x80/0xa0 [ 67.974804] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 67.981088] [] ? __set_current_blocked+0x80/0xa0 [ 67.987462] [] ? sigprocmask+0xef/0x290 [ 67.993054] [] ? sigsuspend+0x1f0/0x1f0 [ 67.998643] [] ? __might_fault+0x114/0x1d0 2018/02/23 16:05:00 executing program 2: mkdir(&(0x7f0000027000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f000000a000)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='tracefs\x00', 0x2000000, &(0x7f00000000c0)="43573fea1704adbd9368d89300930cd74466a2c0a17f56c5bf7866cd2d9e787e075e9be2ed306251b9f2dd650cf4") open$dir(&(0x7f000001bff4)='./file0/bus\x00', 0x88040, 0x20) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f000000fff8)='./file0\x00', &(0x7f0000032ffb)='fuse\x00', 0x7ffbf, &(0x7f0000032000)) open$dir(&(0x7f0000000000)='./file0/bus\x00', 0x101140, 0xfffffffffffffffc) mkdir(&(0x7f0000000040)='./file0\x00', 0x20) r0 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000100)) getsockopt$inet_buf(r0, 0x0, 0x2e, &(0x7f0000000140)=""/146, &(0x7f0000000200)=0x92) 2018/02/23 16:05:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4010641a, &(0x7f0000000040)={0x8, &(0x7f0000000000)=[0x7, 0x8, 0x4, 0x1, 0x0, 0x6, 0x5, 0x401]}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f0000ced000)={@mcast1={0xff, 0x1, [], 0x1}}, 0x353) [ 68.004494] [] SyS_ppoll+0x1b1/0x3e0 [ 68.010393] [] ? SyS_poll+0x3f0/0x3f0 [ 68.015811] [] ? SyS_futex+0x210/0x2c0 [ 68.021315] [] ? security_file_fcntl+0x89/0xb0 [ 68.027511] [] ? do_futex+0x15d0/0x15d0 [ 68.033101] [] ? f_getown+0xb0/0xb0 [ 68.038343] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 68.044804] [] entry_SYSCALL_64_fastpath+0x1c/0x98 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" 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 [ 128.892497] IPVS: Creating netns size=2552 id=9 [ 242.189823] INFO: task syz-executor6:9701 blocked for more than 120 seconds. [ 242.197041] Not tainted 4.4.116-g17c7c49 #17 [ 242.202015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 242.209983] syz-executor6 D ffff8801cadf7768 28736 9701 3845 0x00000004 [ 242.217395] ffff8801cadf7768 0000000000000000 0000000000000000 0000000000000000 [ 242.225404] 0000000000000001 ffff8801cadf7700 ffff8801db31fdb8 ffff8801db31fde0 [ 242.233405] ffff8801db31f4d8 ffff8801d9b49800 ffff8801c67d6000 0000000000000000 [ 242.241413] Call Trace: [ 242.243984] [] schedule+0x7a/0x1b0 [ 242.249146] [] schedule_preempt_disabled+0x13/0x20 [ 242.255744] [] mutex_lock_nested+0x306/0x850 [ 242.261812] [] ? odev_open+0x5f/0x90 [ 242.267159] [] ? __ww_mutex_lock+0x14f0/0x14f0 [ 242.273390] [] ? soundcore_open+0x99/0x630 [ 242.279246] [] ? sound_devnode+0xe0/0xe0 [ 242.284965] [] odev_open+0x5f/0x90 [ 242.290139] [] ? odev_release+0x70/0x70 [ 242.295734] [] soundcore_open+0x321/0x630 [ 242.301528] [] ? sound_devnode+0xe0/0xe0 [ 242.307214] [] chrdev_open+0x22b/0x4c0 [ 242.312755] [] ? cdev_put.part.0+0x50/0x50 [ 242.318616] [] do_dentry_open+0x59b/0xba0 [ 242.324428] [] ? __inode_permission2+0x9b/0x240 [ 242.330732] [] ? cdev_put.part.0+0x50/0x50 [ 242.336588] [] vfs_open+0x110/0x210 [ 242.341860] [] ? may_open+0x1ae/0x280 [ 242.347281] [] path_openat+0x923/0x3940 [ 242.352896] [] ? depot_save_stack+0x1c3/0x640 [ 242.359012] [] ? path_mountpoint+0x830/0x830 [ 242.365068] [] ? kmem_cache_alloc+0xba/0x290 [ 242.371111] [] ? getname_flags+0xcb/0x580 [ 242.376880] [] ? getname+0x19/0x20 [ 242.382069] [] ? do_sys_open+0x21f/0x660 [ 242.387765] [] ? SyS_openat+0x30/0x40 [ 242.393217] [] ? entry_SYSCALL_64_fastpath+0x1c/0x98 [ 242.399959] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 242.406945] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 242.413958] [] do_filp_open+0x197/0x290 [ 242.419554] [] ? user_path_mountpoint_at+0x40/0x40 [ 242.426161] [] ? do_dup2+0x3c0/0x3c0 [ 242.431520] [] ? _raw_spin_unlock+0x2c/0x50 [ 242.437474] [] ? __alloc_fd+0x1e3/0x500 [ 242.443109] [] do_sys_open+0x369/0x660 [ 242.448622] [] ? filp_open+0x70/0x70 [ 242.453987] [] ? __fget+0x47/0x3b0 [ 242.459151] [] ? finish_task_switch+0x1e7/0x4e0 [ 242.465474] [] ? security_file_ioctl+0x89/0xb0 [ 242.471689] [] SyS_openat+0x30/0x40 [ 242.476937] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 242.483614] INFO: lockdep is turned off. [ 242.487679] Sending NMI to all CPUs: [ 242.492556] NMI backtrace for cpu 0 [ 242.496157] CPU: 0 PID: 3621 Comm: rsyslogd Not tainted 4.4.116-g17c7c49 #17 [ 242.503344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.512691] task: ffff8800b8b04800 task.stack: ffff8801c82c0000 [ 242.518720] RIP: 0010:[] [] __sanitizer_cov_trace_pc+0x1/0x50 [ 242.527813] RSP: 0018:ffff8801c82c7928 EFLAGS: 00000096 [ 242.533251] RAX: 0000000000000020 RBX: 0000000000000001 RCX: ffffffff81d2cde4 [ 242.540530] RDX: 1ffff10039058f4b RSI: 0000000000000004 RDI: ffff8801c82c7a48 [ 242.547774] RBP: ffff8801c82c7a18 R08: 0000000000000400 R09: 0000000000000001 [ 242.555044] R10: ffffffff838443e0 R11: 1ffff10039058f38 R12: ffffffff838619c5 [ 242.562331] R13: ffff8801c82c79f0 R14: dffffc0000000000 R15: ffff8801c82c7aa0 [ 242.569574] FS: 00007f6e9c2a2700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 242.577805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.583676] CR2: 000000c42799f000 CR3: 00000001d3bd6000 CR4: 0000000000160670 [ 242.590934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.598177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.605451] Stack: [ 242.607570] ffff8801c82c7a18 ffffffff81d2ce26 ffffffffffffffff 0000000000000000 [ 242.615101] ffffed0039058f4a ffff8801c82c7a50 ffff880100000018 0000000000000000 [ 242.622618] 1ffff10039058f32 0000000000000000 ffff8801c82c7a48 0000000000000000 [ 242.630139] Call Trace: [ 242.632702] [] ? vsnprintf+0xb06/0x15f0 [ 242.638292] [] ? pointer.isra.22+0xa00/0xa00 [ 242.644344] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 242.651352] [] snprintf+0xae/0xe0 [ 242.656436] [] ? vsprintf+0x40/0x40 [ 242.661703] [] print_prefix+0x173/0x2f0 [ 242.667295] [] msg_print_text+0x159/0x2b0 [ 242.673088] [] do_syslog+0x88b/0xae0 [ 242.678420] [] ? log_buf_kexec_setup+0x110/0x110 [ 242.684809] [] ? prepare_to_wait_event+0x420/0x420 [ 242.691376] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 242.698359] [] ? do_futex+0x3f4/0x15d0 [ 242.703897] [] kmsg_read+0x74/0xa0 [ 242.709058] [] ? kmsg_poll+0xa0/0xa0 [ 242.714414] [] proc_reg_read+0xef/0x170 [ 242.720028] [] ? proc_reg_write+0x170/0x170 [ 242.725968] [] __vfs_read+0x103/0x440 [ 242.731428] [] ? vfs_iter_write+0x2d0/0x2d0 [ 242.737372] [] ? __fdget_pos+0x9f/0xc0 [ 242.742912] [] ? fsnotify+0x5ad/0xee0 [ 242.748341] [] ? fsnotify+0xee0/0xee0 [ 242.753800] [] ? avc_policy_seqno+0x9/0x20 [ 242.759851] [] ? selinux_file_permission+0x348/0x460 [ 242.766573] [] ? security_file_permission+0x89/0x1e0 [ 242.773324] [] ? rw_verify_area+0x100/0x2f0 [ 242.779265] [] vfs_read+0x123/0x3a0 [ 242.784536] [] SyS_read+0xd9/0x1b0 [ 242.789704] [] ? do_sendfile+0xd30/0xd30 [ 242.795382] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 242.801870] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 242.808418] Code: 89 e7 e8 e3 da 19 00 eb b4 e8 7c db 19 00 eb 86 4c 89 ff e8 72 db 19 00 e9 64 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 <48> 89 e5 65 48 8b 04 25 00 67 01 00 65 8b 15 1c 59 cb 7e 81 e2 [ 242.827423] NMI backtrace for cpu 1 [ 242.831034] CPU: 1 PID: 486 Comm: khungtaskd Not tainted 4.4.116-g17c7c49 #17 [ 242.838277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.847630] task: ffff8800bb32e000 task.stack: ffff8800bb0e8000 [ 242.853677] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 [ 242.862418] RSP: 0018:ffff8800bb0efcb8 EFLAGS: 00000046 [ 242.867837] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: ffffffff8126a2f2 [ 242.875116] RDX: 0000000000000c00 RSI: 0000000000000002 RDI: ffffffffff5fb300 [ 242.882381] RBP: ffff8800bb0efce0 R08: 0000000000000001 R09: 0000000000000000 [ 242.889624] R10: 0000000000000000 R11: fffffbfff0ad7e24 R12: 0000000000000246 [ 242.896890] R13: 0000000000000003 R14: ffffffff8426f3e0 R15: 0000000000000002 [ 242.904149] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 242.912405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.918259] CR2: 00007fc780773db8 CR3: 00000001d3bd6000 CR4: 0000000000160670 [ 242.925532] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.932802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.940072] Stack: [ 242.942194] ffffffff8426f3e0 ffffffff847ef800 fffffbfff08fd9b4 dffffc0000000000 [ 242.949722] ffff8801db31bca0 ffff8800bb0efd00 ffffffff810b99eb ffffffff839f61c0 [ 242.957223] 0000000000000003 ffff8800bb0efd60 ffffffff81d0eed4 0000000000000001 [ 242.964753] Call Trace: [ 242.967306] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 242.973706] [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 [ 242.980782] [] ? irq_force_complete_move+0x3b0/0x3b0 [ 242.987502] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 242.994496] [] watchdog+0x6fa/0xae0 [ 242.999752] [] ? watchdog+0xc3/0xae0 [ 243.005079] [] kthread+0x268/0x300 [ 243.010250] [] ? reset_hung_task_detector+0x20/0x20 [ 243.016883] [] ? kthread_create_on_node+0x400/0x400 [ 243.023537] [] ? kthread_create_on_node+0x400/0x400 [ 243.030189] [] ret_from_fork+0x55/0x80 [ 243.035693] [] ? kthread_create_on_node+0x400/0x400 [ 243.042370] 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 7b 2f 17 00 4c 89 e7 57 9d 0f 1f [ 243.061432] Kernel panic - not syncing: hung_task: blocked tasks [ 243.067597] CPU: 0 PID: 486 Comm: khungtaskd Not tainted 4.4.116-g17c7c49 #17 [ 243.074844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.084172] 0000000000000000 3f1f1a41b658d4ad ffff8800bb0efca8 ffffffff81d03f6d [ 243.092143] ffffffff83882f20 ffff8800bb0efd80 dffffc0000000000 7fffffffffffffff [ 243.100110] ffff8801d97db448 ffff8800bb0efd70 ffffffff8141acaa 0000000041b58ab3 [ 243.108071] Call Trace: [ 243.110638] [] dump_stack+0xc1/0x124 [ 243.115986] [] panic+0x1aa/0x388 [ 243.120970] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 243.127867] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.135113] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.142358] [] watchdog+0x70b/0xae0 [ 243.147604] [] ? watchdog+0xc3/0xae0 [ 243.152950] [] kthread+0x268/0x300 [ 243.158110] [] ? reset_hung_task_detector+0x20/0x20 [ 243.164744] [] ? kthread_create_on_node+0x400/0x400 [ 243.171381] [] ? kthread_create_on_node+0x400/0x400 [ 243.178018] [] ret_from_fork+0x55/0x80 [ 243.183526] [] ? kthread_create_on_node+0x400/0x400 [ 243.190601] Dumping ftrace buffer: [ 243.194109] (ftrace buffer empty) [ 243.197790] Kernel Offset: disabled [ 243.201389] Rebooting in 86400 seconds..