robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 1 | /* |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 2 | * |
robert.swiecki@gmail.com | 90e9911 | 2015-02-15 02:05:14 +0000 | [diff] [blame] | 3 | * honggfuzz - fuzzing routines |
| 4 | * ----------------------------------------- |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 5 | * |
robert.swiecki@gmail.com | 8531f69 | 2015-02-17 12:25:36 +0000 | [diff] [blame] | 6 | * Author: |
| 7 | * Robert Swiecki <swiecki@google.com> |
| 8 | * Felix Gröbert <groebert@google.com> |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 9 | * |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 10 | * Copyright 2010-2015 by Google Inc. All Rights Reserved. |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 11 | * |
| 12 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 13 | * not use this file except in compliance with the License. You may obtain |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 14 | * a copy of the License at |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 15 | * |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 16 | * http://www.apache.org/licenses/LICENSE-2.0 |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 17 | * |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 18 | * Unless required by applicable law or agreed to in writing, software |
| 19 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 20 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| 21 | * implied. See the License for the specific language governing |
| 22 | * permissions and limitations under the License. |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 23 | * |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 24 | */ |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 25 | |
robert.swiecki@gmail.com | ba85c3e | 2015-02-02 14:55:16 +0000 | [diff] [blame] | 26 | #include "common.h" |
| 27 | #include "fuzz.h" |
| 28 | |
| 29 | #include <errno.h> |
| 30 | #include <fcntl.h> |
robert.swiecki@gmail.com | 90e9911 | 2015-02-15 02:05:14 +0000 | [diff] [blame] | 31 | #include <inttypes.h> |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 32 | #include <pthread.h> |
robert.swiecki@gmail.com | ba85c3e | 2015-02-02 14:55:16 +0000 | [diff] [blame] | 33 | #include <signal.h> |
| 34 | #include <stddef.h> |
| 35 | #include <stdint.h> |
| 36 | #include <stdio.h> |
| 37 | #include <stdlib.h> |
| 38 | #include <string.h> |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 39 | #include <sys/mman.h> |
| 40 | #include <sys/param.h> |
| 41 | #include <sys/stat.h> |
robert.swiecki@gmail.com | ba85c3e | 2015-02-02 14:55:16 +0000 | [diff] [blame] | 42 | #include <sys/time.h> |
| 43 | #include <sys/types.h> |
| 44 | #include <sys/wait.h> |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 45 | #include <time.h> |
robert.swiecki@gmail.com | ba85c3e | 2015-02-02 14:55:16 +0000 | [diff] [blame] | 46 | #include <unistd.h> |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 47 | |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 48 | #include "arch.h" |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 49 | #include "files.h" |
robert.swiecki@gmail.com | e7190b9 | 2015-02-14 23:05:42 +0000 | [diff] [blame] | 50 | #include "log.h" |
robert.swiecki@gmail.com | 36700b5 | 2015-02-22 05:03:16 +0000 | [diff] [blame] | 51 | #include "mangle.h" |
robert.swiecki@gmail.com | e7190b9 | 2015-02-14 23:05:42 +0000 | [diff] [blame] | 52 | #include "report.h" |
| 53 | #include "util.h" |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 54 | |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 55 | static void fuzz_getFileName(honggfuzz_t * hfuzz, char *fileName) |
| 56 | { |
robert.swiecki | ba51263 | 2011-01-28 11:57:26 +0000 | [diff] [blame] | 57 | struct timeval tv; |
| 58 | gettimeofday(&tv, NULL); |
| 59 | |
robert.swiecki@gmail.com | 6f31991 | 2015-02-28 05:01:37 +0000 | [diff] [blame] | 60 | snprintf(fileName, PATH_MAX, ".honggfuzz.%d.%lu.%llx.%s", (int)getpid(), |
| 61 | (unsigned long int)tv.tv_sec, (unsigned long long int)util_rndGet(0, 1ULL << 62), |
robert.swiecki@gmail.com | bb5d264 | 2015-02-25 20:00:00 +0000 | [diff] [blame] | 62 | hfuzz->fileExtn); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 63 | |
| 64 | return; |
| 65 | } |
| 66 | |
robert.swiecki@gmail.com | 624233e | 2015-02-18 10:26:05 +0000 | [diff] [blame] | 67 | static bool fuzz_prepareFileDynamically(honggfuzz_t * hfuzz, fuzzer_t * fuzzer, int rnd_index) |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 68 | { |
robert.swiecki@gmail.com | 41d8e05 | 2015-02-19 01:10:41 +0000 | [diff] [blame] | 69 | while (pthread_mutex_lock(&hfuzz->dynamicFile_mutex)) ; |
| 70 | |
robert.swiecki@gmail.com | 7aad717 | 2015-03-03 04:34:15 +0000 | [diff] [blame] | 71 | if (hfuzz->inputFile && hfuzz->branchBestCnt[0] == 0 && hfuzz->branchBestCnt[1] == 0 |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 72 | && hfuzz->branchBestCnt[2] == 0 && hfuzz->branchBestCnt[3] == 0) { |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 73 | size_t fileSz = files_readFileToBufMax(hfuzz->files[rnd_index], hfuzz->dynamicFileBest, |
| 74 | hfuzz->maxFileSz); |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 75 | if (fileSz == 0) { |
robert.swiecki@gmail.com | 41d8e05 | 2015-02-19 01:10:41 +0000 | [diff] [blame] | 76 | while (pthread_mutex_unlock(&hfuzz->dynamicFile_mutex)) ; |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 77 | LOGMSG(l_ERROR, "Couldn't read '%s'", hfuzz->files[rnd_index]); |
robert.swiecki@gmail.com | 624233e | 2015-02-18 10:26:05 +0000 | [diff] [blame] | 78 | return false; |
| 79 | } |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 80 | hfuzz->dynamicFileBestSz = fileSz; |
robert.swiecki@gmail.com | 624233e | 2015-02-18 10:26:05 +0000 | [diff] [blame] | 81 | } |
| 82 | |
robert.swiecki@gmail.com | 060a9dd | 2015-02-28 06:37:27 +0000 | [diff] [blame] | 83 | if (hfuzz->dynamicFileBestSz > hfuzz->maxFileSz) { |
| 84 | LOGMSG(l_FATAL, "Current BEST file Sz > maxFileSz (%zu > %zu)", hfuzz->dynamicFileBestSz, |
| 85 | hfuzz->maxFileSz); |
| 86 | } |
| 87 | |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 88 | fuzzer->dynamicFileSz = hfuzz->dynamicFileBestSz; |
robert.swiecki@gmail.com | 3b6c629 | 2015-02-26 11:48:46 +0000 | [diff] [blame] | 89 | memcpy(fuzzer->dynamicFile, hfuzz->dynamicFileBest, hfuzz->dynamicFileBestSz); |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 90 | |
robert.swiecki@gmail.com | 41d8e05 | 2015-02-19 01:10:41 +0000 | [diff] [blame] | 91 | while (pthread_mutex_unlock(&hfuzz->dynamicFile_mutex)) ; |
| 92 | |
robert.swiecki@gmail.com | 141c452 | 2015-02-19 15:49:23 +0000 | [diff] [blame] | 93 | /* The first pass should be on an empty/initial file */ |
robert.swiecki@gmail.com | f845d4d | 2015-03-05 02:46:33 +0000 | [diff] [blame] | 94 | if (hfuzz->branchBestCnt[0] > 0 || hfuzz->branchBestCnt[1] > 0 || hfuzz->branchBestCnt[2] > 0 |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 95 | || hfuzz->branchBestCnt[3] > 0) { |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 96 | mangle_Resize(hfuzz, &fuzzer->dynamicFileSz); |
robert.swiecki@gmail.com | 36700b5 | 2015-02-22 05:03:16 +0000 | [diff] [blame] | 97 | mangle_mangleContent(hfuzz, fuzzer->dynamicFile, fuzzer->dynamicFileSz); |
robert.swiecki@gmail.com | 141c452 | 2015-02-19 15:49:23 +0000 | [diff] [blame] | 98 | } |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 99 | |
robert.swiecki@gmail.com | dc8403e | 2015-03-01 01:33:00 +0000 | [diff] [blame] | 100 | if (files_writeBufToFile |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 101 | (fuzzer->fileName, fuzzer->dynamicFile, fuzzer->dynamicFileSz, |
| 102 | O_WRONLY | O_CREAT | O_EXCL | O_TRUNC) == false) { |
robert.swiecki@gmail.com | dc8403e | 2015-03-01 01:33:00 +0000 | [diff] [blame] | 103 | LOGMSG(l_ERROR, "Couldn't write buffer to file '%s'", fuzzer->fileName); |
robert.swiecki@gmail.com | 3b6c629 | 2015-02-26 11:48:46 +0000 | [diff] [blame] | 104 | return false; |
| 105 | } |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 106 | |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 107 | return true; |
robert.swiecki@gmail.com | d7aed31 | 2015-02-03 21:26:37 +0000 | [diff] [blame] | 108 | } |
| 109 | |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 110 | static bool fuzz_prepareFile(honggfuzz_t * hfuzz, fuzzer_t * fuzzer, int rnd_index) |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 111 | { |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 112 | size_t fileSz = |
| 113 | files_readFileToBufMax(hfuzz->files[rnd_index], fuzzer->dynamicFile, hfuzz->maxFileSz); |
| 114 | if (fileSz == 0UL) { |
| 115 | LOGMSG(l_ERROR, "Couldn't read contents of '%s'", hfuzz->files[rnd_index]); |
robert.swiecki@gmail.com | bb5d264 | 2015-02-25 20:00:00 +0000 | [diff] [blame] | 116 | return false; |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 117 | } |
| 118 | |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 119 | mangle_Resize(hfuzz, &fileSz); |
| 120 | mangle_mangleContent(hfuzz, fuzzer->dynamicFile, fileSz); |
robert.swiecki@gmail.com | c070b94 | 2015-02-25 18:29:19 +0000 | [diff] [blame] | 121 | |
robert.swiecki@gmail.com | dc8403e | 2015-03-01 01:33:00 +0000 | [diff] [blame] | 122 | if (files_writeBufToFile |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 123 | (fuzzer->fileName, fuzzer->dynamicFile, fileSz, O_WRONLY | O_CREAT | O_EXCL) == false) { |
robert.swiecki@gmail.com | dc8403e | 2015-03-01 01:33:00 +0000 | [diff] [blame] | 124 | LOGMSG(l_ERROR, "Couldn't write buffer to file '%s'", fuzzer->fileName); |
robert.swiecki@gmail.com | e768052 | 2015-02-22 22:22:37 +0000 | [diff] [blame] | 125 | return false; |
| 126 | } |
| 127 | |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 128 | return true; |
| 129 | } |
| 130 | |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 131 | static bool fuzz_prepareFileExternally(honggfuzz_t * hfuzz, fuzzer_t * fuzzer, int rnd_index) |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 132 | { |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 133 | int dstfd = open(fuzzer->fileName, O_CREAT | O_EXCL | O_RDWR, 0644); |
robert.swiecki | 3d505e2 | 2010-10-14 01:17:17 +0000 | [diff] [blame] | 134 | if (dstfd == -1) { |
robert.swiecki@gmail.com | bb5d264 | 2015-02-25 20:00:00 +0000 | [diff] [blame] | 135 | LOGMSG_P(l_ERROR, "Couldn't create a temporary file '%s' in the current directory", |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 136 | fuzzer->fileName); |
robert.swiecki@gmail.com | ebc1cac | 2011-07-02 03:15:51 +0000 | [diff] [blame] | 137 | return false; |
| 138 | } |
| 139 | |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 140 | LOGMSG(l_DEBUG, "Created '%f' as an input file", fuzzer->fileName); |
robert.swiecki@gmail.com | ebc1cac | 2011-07-02 03:15:51 +0000 | [diff] [blame] | 141 | |
| 142 | if (hfuzz->inputFile) { |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 143 | size_t fileSz = |
| 144 | files_readFileToBufMax(hfuzz->files[rnd_index], fuzzer->dynamicFile, hfuzz->maxFileSz); |
| 145 | if (fileSz == 0UL) { |
| 146 | LOGMSG(l_ERROR, "Couldn't read '%s'", hfuzz->files[rnd_index]); |
| 147 | unlink(fuzzer->fileName); |
robert.swiecki@gmail.com | ebc1cac | 2011-07-02 03:15:51 +0000 | [diff] [blame] | 148 | return false; |
| 149 | } |
| 150 | |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 151 | if (files_writeToFd(dstfd, fuzzer->dynamicFile, fileSz) == false) { |
robert.swiecki@gmail.com | ebc1cac | 2011-07-02 03:15:51 +0000 | [diff] [blame] | 152 | close(dstfd); |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 153 | unlink(fuzzer->fileName); |
robert.swiecki@gmail.com | ebc1cac | 2011-07-02 03:15:51 +0000 | [diff] [blame] | 154 | return false; |
| 155 | } |
robert.swiecki | 3d505e2 | 2010-10-14 01:17:17 +0000 | [diff] [blame] | 156 | } |
| 157 | |
robert.swiecki | 3d505e2 | 2010-10-14 01:17:17 +0000 | [diff] [blame] | 158 | close(dstfd); |
| 159 | |
robert.swiecki@gmail.com | bb2b4aa | 2015-03-05 01:48:46 +0000 | [diff] [blame] | 160 | pid_t pid = fork(); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 161 | if (pid == -1) { |
robert.swiecki@gmail.com | 8a9df0e | 2015-02-13 17:08:06 +0000 | [diff] [blame] | 162 | LOGMSG_P(l_ERROR, "Couldn't vfork"); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 163 | return false; |
| 164 | } |
| 165 | |
| 166 | if (!pid) { |
| 167 | /* |
robert.swiecki@gmail.com | cdf18f9 | 2015-02-11 22:22:18 +0000 | [diff] [blame] | 168 | * child performs the external file modifications |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 169 | */ |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 170 | execl(hfuzz->externalCommand, hfuzz->externalCommand, fuzzer->fileName, NULL); |
| 171 | LOGMSG_P(l_FATAL, "Couldn't execute '%s %s'", hfuzz->externalCommand, fuzzer->fileName); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 172 | return false; |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 173 | } |
robert.swiecki@gmail.com | 8a9df0e | 2015-02-13 17:08:06 +0000 | [diff] [blame] | 174 | |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 175 | /* |
| 176 | * parent waits until child is done fuzzing the input file |
| 177 | */ |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 178 | int childStatus; |
| 179 | int flags = 0; |
robert.swiecki@gmail.com | a229118 | 2015-02-13 16:56:27 +0000 | [diff] [blame] | 180 | #if defined(__WNOTHREAD) |
| 181 | flags |= __WNOTHREAD; |
robert.swiecki@gmail.com | 8a9df0e | 2015-02-13 17:08:06 +0000 | [diff] [blame] | 182 | #endif /* defined(__WNOTHREAD) */ |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 183 | while (wait4(pid, &childStatus, flags, NULL) != pid) ; |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 184 | if (WIFEXITED(childStatus)) { |
| 185 | LOGMSG(l_DEBUG, "External command exited with status %d", WEXITSTATUS(childStatus)); |
| 186 | return true; |
| 187 | } |
| 188 | if (WIFSIGNALED(childStatus)) { |
robert.swiecki@gmail.com | a229118 | 2015-02-13 16:56:27 +0000 | [diff] [blame] | 189 | LOGMSG(l_ERROR, "External command terminated with signal %d", WTERMSIG(childStatus)); |
robert.swiecki | 3d505e2 | 2010-10-14 01:17:17 +0000 | [diff] [blame] | 190 | return false; |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 191 | } |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 192 | LOGMSG(l_FATAL, "External command terminated abnormally, status: %d", childStatus); |
| 193 | return false; |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 194 | |
| 195 | abort(); /* NOTREACHED */ |
| 196 | } |
| 197 | |
robert.swiecki@gmail.com | 6ff9af8 | 2015-02-11 18:52:05 +0000 | [diff] [blame] | 198 | static int fuzz_numOfProc(honggfuzz_t * hfuzz) |
| 199 | { |
| 200 | int i; |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 201 | sem_getvalue(hfuzz->sem, &i); |
robert.swiecki@gmail.com | 6ff9af8 | 2015-02-11 18:52:05 +0000 | [diff] [blame] | 202 | return hfuzz->threadsMax - i; |
| 203 | } |
| 204 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 205 | static void *fuzz_threadNew(void *arg) |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 206 | { |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 207 | honggfuzz_t *hfuzz = (honggfuzz_t *) arg; |
| 208 | fuzzer_t fuzzer = { |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 209 | .pid = 0, |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 210 | .timeStarted = time(NULL), |
| 211 | .pc = 0ULL, |
| 212 | .backtrace = 0ULL, |
| 213 | .access = 0ULL, |
| 214 | .exception = 0, |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 215 | .dynamicFileSz = 0, |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 216 | .dynamicFile = malloc(hfuzz->maxFileSz), |
robert.swiecki@gmail.com | 4be2667 | 2015-03-05 03:36:50 +0000 | [diff] [blame] | 217 | .branchCnt = {[0 ... (ARRAYSIZE(fuzzer.branchCnt) - 1)] = 0}, |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 218 | .report = {'\0'} |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 219 | }; |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 220 | if (fuzzer.dynamicFile == NULL) { |
| 221 | LOGMSG(l_FATAL, "malloc(%zu) failed", hfuzz->maxFileSz); |
| 222 | } |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 223 | |
groebert@google.com | 1c7e3b0 | 2013-06-19 09:27:38 +0000 | [diff] [blame] | 224 | int rnd_index = util_rndGet(0, hfuzz->fileCnt - 1); |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 225 | strncpy(fuzzer.origFileName, files_basename(hfuzz->files[rnd_index]), PATH_MAX); |
| 226 | fuzz_getFileName(hfuzz, fuzzer.fileName); |
groebert@google.com | 1c7e3b0 | 2013-06-19 09:27:38 +0000 | [diff] [blame] | 227 | |
robert.swiecki@gmail.com | cac22fd | 2015-02-19 14:03:28 +0000 | [diff] [blame] | 228 | if (hfuzz->dynFileMethod != _HF_DYNFILE_NONE) { |
robert.swiecki@gmail.com | 624233e | 2015-02-18 10:26:05 +0000 | [diff] [blame] | 229 | if (!fuzz_prepareFileDynamically(hfuzz, &fuzzer, rnd_index)) { |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 230 | exit(EXIT_FAILURE); |
| 231 | } |
| 232 | } else if (hfuzz->externalCommand != NULL) { |
robert.swiecki@gmail.com | 2085120 | 2015-03-01 01:48:15 +0000 | [diff] [blame] | 233 | if (!fuzz_prepareFileExternally(hfuzz, &fuzzer, rnd_index)) { |
robert.swiecki@gmail.com | 6ff9af8 | 2015-02-11 18:52:05 +0000 | [diff] [blame] | 234 | exit(EXIT_FAILURE); |
| 235 | } |
| 236 | } else { |
robert.swiecki@gmail.com | 4a7a9d8 | 2015-03-01 01:25:16 +0000 | [diff] [blame] | 237 | if (!fuzz_prepareFile(hfuzz, &fuzzer, rnd_index)) { |
robert.swiecki@gmail.com | 6ff9af8 | 2015-02-11 18:52:05 +0000 | [diff] [blame] | 238 | exit(EXIT_FAILURE); |
| 239 | } |
robert.swiecki@gmail.com | 1f98a16 | 2015-02-11 15:09:22 +0000 | [diff] [blame] | 240 | } |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 241 | |
robert.swiecki | 5fa9d90 | 2015-02-25 15:31:56 +0000 | [diff] [blame] | 242 | #if defined(_HF_ARCH_LINUX) |
robert.swiecki@gmail.com | dfde1c7 | 2015-02-18 13:22:55 +0000 | [diff] [blame] | 243 | #include <unistd.h> |
| 244 | #include <sys/syscall.h> |
| 245 | fuzzer.pid = syscall(__NR_fork); |
robert.swiecki@gmail.com | 4fc1969 | 2015-02-25 15:45:11 +0000 | [diff] [blame] | 246 | #else /* defined(_HF_ARCH_LINUX) */ |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 247 | fuzzer.pid = fork(); |
robert.swiecki | 5fa9d90 | 2015-02-25 15:31:56 +0000 | [diff] [blame] | 248 | #endif /* defined(_HF_ARCH_LINUX) */ |
robert.swiecki@gmail.com | dfde1c7 | 2015-02-18 13:22:55 +0000 | [diff] [blame] | 249 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 250 | if (fuzzer.pid == -1) { |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 251 | LOGMSG_P(l_FATAL, "Couldn't fork"); |
| 252 | exit(EXIT_FAILURE); |
| 253 | } |
| 254 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 255 | if (!fuzzer.pid) { |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 256 | /* |
robert.swiecki@gmail.com | 6ff9af8 | 2015-02-11 18:52:05 +0000 | [diff] [blame] | 257 | * Ok, kill the parent if this fails |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 258 | */ |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 259 | if (!arch_launchChild(hfuzz, fuzzer.fileName)) { |
robert.swiecki@gmail.com | 6f5c239 | 2015-02-16 18:13:09 +0000 | [diff] [blame] | 260 | LOGMSG(l_ERROR, "Error launching child process, killing parent"); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 261 | exit(EXIT_FAILURE); |
| 262 | } |
| 263 | } |
| 264 | |
robert.swiecki@gmail.com | bb5d264 | 2015-02-25 20:00:00 +0000 | [diff] [blame] | 265 | LOGMSG(l_INFO, "Launched new process, pid: %d, (%d/%d)", fuzzer.pid, fuzz_numOfProc(hfuzz), |
| 266 | hfuzz->threadsMax); |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 267 | |
| 268 | arch_reapChild(hfuzz, &fuzzer); |
| 269 | unlink(fuzzer.fileName); |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 270 | |
robert.swiecki@gmail.com | cac22fd | 2015-02-19 14:03:28 +0000 | [diff] [blame] | 271 | if (hfuzz->dynFileMethod != _HF_DYNFILE_NONE) { |
robert.swiecki@gmail.com | 41d8e05 | 2015-02-19 01:10:41 +0000 | [diff] [blame] | 272 | while (pthread_mutex_lock(&hfuzz->dynamicFile_mutex)) ; |
robert.swiecki@gmail.com | 90f36e6 | 2015-03-01 15:13:54 +0000 | [diff] [blame] | 273 | |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 274 | int64_t diff0 = hfuzz->branchBestCnt[0] - fuzzer.branchCnt[0]; |
| 275 | int64_t diff1 = hfuzz->branchBestCnt[1] - fuzzer.branchCnt[1]; |
| 276 | int64_t diff2 = hfuzz->branchBestCnt[2] - fuzzer.branchCnt[2]; |
robert.swiecki@gmail.com | f845d4d | 2015-03-05 02:46:33 +0000 | [diff] [blame] | 277 | int64_t diff3 = hfuzz->branchBestCnt[3] - fuzzer.branchCnt[3]; |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 278 | |
| 279 | if (diff0 <= hfuzz->dynamicRegressionCnt && diff1 <= hfuzz->dynamicRegressionCnt |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 280 | && diff2 <= hfuzz->dynamicRegressionCnt && diff3 <= hfuzz->dynamicRegressionCnt) { |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 281 | |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 282 | LOGMSG(l_INFO, |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 283 | "New BEST feedback: File Size (New/Old): %zu/%zu', Perf feedback (Curr, High): %" |
robert.swiecki@gmail.com | f845d4d | 2015-03-05 02:46:33 +0000 | [diff] [blame] | 284 | PRId64 "/%" PRId64 "/%" PRId64 "/%" PRId64 ", %" PRId64 "/%" PRId64 "/%" PRId64 |
| 285 | "/%" PRId64, fuzzer.dynamicFileSz, hfuzz->dynamicFileBestSz, fuzzer.branchCnt[0], |
| 286 | fuzzer.branchCnt[1], fuzzer.branchCnt[2], fuzzer.branchCnt[3], |
| 287 | hfuzz->branchBestCnt[0], hfuzz->branchBestCnt[1], hfuzz->branchBestCnt[2], |
| 288 | hfuzz->branchBestCnt[3]); |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 289 | |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 290 | memcpy(hfuzz->dynamicFileBest, fuzzer.dynamicFile, fuzzer.dynamicFileSz); |
robert.swiecki@gmail.com | 90f36e6 | 2015-03-01 15:13:54 +0000 | [diff] [blame] | 291 | |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 292 | hfuzz->dynamicFileBestSz = fuzzer.dynamicFileSz; |
robert.swiecki@gmail.com | 81e26dc | 2015-03-03 04:26:04 +0000 | [diff] [blame] | 293 | hfuzz->branchBestCnt[0] = |
| 294 | fuzzer.branchCnt[0] > |
| 295 | hfuzz->branchBestCnt[0] ? fuzzer.branchCnt[0] : hfuzz->branchBestCnt[0]; |
| 296 | hfuzz->branchBestCnt[1] = |
| 297 | fuzzer.branchCnt[1] > |
| 298 | hfuzz->branchBestCnt[1] ? fuzzer.branchCnt[1] : hfuzz->branchBestCnt[1]; |
| 299 | hfuzz->branchBestCnt[2] = |
| 300 | fuzzer.branchCnt[2] > |
| 301 | hfuzz->branchBestCnt[2] ? fuzzer.branchCnt[2] : hfuzz->branchBestCnt[2]; |
robert.swiecki@gmail.com | f845d4d | 2015-03-05 02:46:33 +0000 | [diff] [blame] | 302 | hfuzz->branchBestCnt[3] = |
| 303 | fuzzer.branchCnt[3] > |
| 304 | hfuzz->branchBestCnt[3] ? fuzzer.branchCnt[3] : hfuzz->branchBestCnt[3]; |
robert.swiecki@gmail.com | 85a0a95 | 2015-02-19 01:58:39 +0000 | [diff] [blame] | 305 | |
robert.swiecki@gmail.com | ba92e19 | 2015-02-21 02:14:07 +0000 | [diff] [blame] | 306 | #define _HF_CURRENT_BEST "CURRENT_BEST" |
| 307 | #define _HF_CURRENT_BEST_TMP ".tmp.CURRENT_BEST" |
robert.swiecki@gmail.com | f3fbf03 | 2015-03-01 01:52:11 +0000 | [diff] [blame] | 308 | if (files_writeBufToFile |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 309 | (_HF_CURRENT_BEST_TMP, fuzzer.dynamicFile, fuzzer.dynamicFileSz, |
| 310 | O_WRONLY | O_CREAT | O_TRUNC)) { |
robert.swiecki@gmail.com | f3fbf03 | 2015-03-01 01:52:11 +0000 | [diff] [blame] | 311 | rename(_HF_CURRENT_BEST_TMP, _HF_CURRENT_BEST); |
| 312 | } else { |
| 313 | unlink(_HF_CURRENT_BEST_TMP); |
robert.swiecki@gmail.com | ba92e19 | 2015-02-21 02:14:07 +0000 | [diff] [blame] | 314 | } |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 315 | } |
robert.swiecki@gmail.com | 41d8e05 | 2015-02-19 01:10:41 +0000 | [diff] [blame] | 316 | while (pthread_mutex_unlock(&hfuzz->dynamicFile_mutex)) ; |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 317 | } |
| 318 | |
robert.swiecki@gmail.com | e7190b9 | 2015-02-14 23:05:42 +0000 | [diff] [blame] | 319 | report_Report(hfuzz, fuzzer.report); |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 320 | free(fuzzer.dynamicFile); |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 321 | |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 322 | sem_post(hfuzz->sem); |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 323 | |
| 324 | return NULL; |
| 325 | } |
| 326 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 327 | static void *fuzz_threadPid(void *arg) |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 328 | { |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 329 | honggfuzz_t *hfuzz = (honggfuzz_t *) arg; |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 330 | if (!arch_archInit(hfuzz)) { |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 331 | LOGMSG(l_FATAL, "Couldn't prepare parent for fuzzing"); |
robert.swiecki@gmail.com | 882900b | 2015-02-11 13:56:22 +0000 | [diff] [blame] | 332 | } |
| 333 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 334 | fuzzer_t fuzzer = { |
| 335 | .pid = hfuzz->pid, |
| 336 | .timeStarted = time(NULL), |
| 337 | .pc = 0ULL, |
| 338 | .backtrace = 0ULL, |
| 339 | .access = 0ULL, |
| 340 | .exception = 0, |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 341 | .dynamicFileSz = 0, |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 342 | .dynamicFile = malloc(hfuzz->maxFileSz), |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame^] | 343 | .branchCnt = {[0 ... (ARRAYSIZE(fuzzer.branchCnt) - 1)] = 0} |
| 344 | , |
robert.swiecki@gmail.com | d4dd4df | 2015-02-18 00:50:12 +0000 | [diff] [blame] | 345 | .report = {'\0'} |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 346 | }; |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 347 | if (fuzzer.dynamicFile == NULL) { |
| 348 | LOGMSG(l_FATAL, "malloc(%zu) failed", hfuzz->maxFileSz); |
| 349 | } |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 350 | |
| 351 | char fileName[] = ".honggfuzz.empty.XXXXXX"; |
| 352 | int fd; |
| 353 | if ((fd = mkstemp(fileName)) == -1) { |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 354 | free(fuzzer.dynamicFile); |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 355 | LOGMSG_P(l_ERROR, "Couldn't create a temporary file"); |
| 356 | return NULL; |
| 357 | } |
| 358 | close(fd); |
| 359 | |
| 360 | strncpy(fuzzer.origFileName, "PID_FUZZING", PATH_MAX); |
| 361 | strncpy(fuzzer.fileName, fileName, PATH_MAX); |
| 362 | |
| 363 | arch_reapChild(hfuzz, &fuzzer); |
| 364 | unlink(fuzzer.fileName); |
robert.swiecki@gmail.com | e7190b9 | 2015-02-14 23:05:42 +0000 | [diff] [blame] | 365 | report_Report(hfuzz, fuzzer.report); |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 366 | free(fuzzer.dynamicFile); |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 367 | |
| 368 | // There's no more hfuzz->pid to analyze. Just exit |
| 369 | LOGMSG(l_INFO, "PID: %d exited. Exiting", fuzzer.pid); |
| 370 | exit(EXIT_SUCCESS); |
| 371 | |
| 372 | return NULL; |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 373 | } |
| 374 | |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 375 | static void fuzz_runThread(honggfuzz_t * hfuzz, void *(*thread) (void *)) |
| 376 | { |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 377 | pthread_attr_t attr; |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 378 | |
robert.swiecki@gmail.com | 6f5c239 | 2015-02-16 18:13:09 +0000 | [diff] [blame] | 379 | pthread_attr_init(&attr); |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 380 | pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
robert.swiecki@gmail.com | 441089a | 2015-02-23 13:14:07 +0000 | [diff] [blame] | 381 | pthread_attr_setstacksize(&attr, _HF_PTHREAD_STACKSIZE); |
robert.swiecki@gmail.com | 011981f | 2015-02-17 19:06:44 +0000 | [diff] [blame] | 382 | pthread_attr_setguardsize(&attr, (size_t) sysconf(_SC_PAGESIZE)); |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 383 | |
robert.swiecki@gmail.com | 01b6dd4 | 2015-02-16 18:11:28 +0000 | [diff] [blame] | 384 | pthread_t t; |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 385 | if (pthread_create(&t, &attr, thread, (void *)hfuzz) < 0) { |
| 386 | LOGMSG_P(l_FATAL, "Couldn't create a new thread"); |
| 387 | } |
| 388 | |
| 389 | return; |
| 390 | } |
| 391 | |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 392 | void fuzz_main(honggfuzz_t * hfuzz) |
| 393 | { |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 394 | char semName[PATH_MAX]; |
robert.swiecki | 5fa9d90 | 2015-02-25 15:31:56 +0000 | [diff] [blame] | 395 | snprintf(semName, sizeof(semName), "/honggfuzz.%d.%d.%" PRIx64, getpid(), |
robert.swiecki@gmail.com | 90e9911 | 2015-02-15 02:05:14 +0000 | [diff] [blame] | 396 | (int)time(NULL), util_rndGet(1, 1ULL << 62)); |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 397 | |
robert.swiecki@gmail.com | 757ee19 | 2015-02-13 16:54:02 +0000 | [diff] [blame] | 398 | hfuzz->sem = sem_open(semName, O_CREAT, 0644, hfuzz->threadsMax); |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 399 | if (hfuzz->sem == SEM_FAILED) { |
| 400 | LOGMSG_P(l_FATAL, "sem_open() failed"); |
robert.swiecki@gmail.com | e763539 | 2015-02-11 16:17:49 +0000 | [diff] [blame] | 401 | } |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 402 | // If we're doing a PID fuzzing, the parent of the PID will be a |
| 403 | // dedicated thread anyway |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 404 | if (hfuzz->pid) { |
| 405 | fuzz_runThread(hfuzz, fuzz_threadPid); |
| 406 | } else { |
robert.swiecki@gmail.com | 6d6f756 | 2015-02-17 22:18:51 +0000 | [diff] [blame] | 407 | if (!arch_archInit(hfuzz)) { |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 408 | LOGMSG(l_FATAL, "Couldn't prepare parent for fuzzing"); |
| 409 | } |
robert.swiecki@gmail.com | ef829fa | 2011-06-22 13:51:57 +0000 | [diff] [blame] | 410 | } |
| 411 | |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 412 | for (;;) { |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 413 | if (sem_wait(hfuzz->sem) == -1) { |
robert.swiecki@gmail.com | e507cb6 | 2015-02-11 17:14:49 +0000 | [diff] [blame] | 414 | LOGMSG_P(l_FATAL, "sem_wait() failed"); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 415 | } |
robert.swiecki@gmail.com | e507cb6 | 2015-02-11 17:14:49 +0000 | [diff] [blame] | 416 | |
| 417 | if (hfuzz->mutationsMax && (hfuzz->mutationsCnt >= hfuzz->mutationsMax)) { |
robert.swiecki@gmail.com | 8906855 | 2015-02-28 05:18:25 +0000 | [diff] [blame] | 418 | #if defined(_HF_ARCH_DARWIN) |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 419 | /* |
robert.swiecki@gmail.com | 3b630b4 | 2015-02-16 10:53:53 +0000 | [diff] [blame] | 420 | * Sleep a bit to let any running fuzzers terminate |
robert.swiecki@gmail.com | 772b33d | 2015-02-14 20:35:00 +0000 | [diff] [blame] | 421 | */ |
groebert@google.com | 20e368f | 2015-02-13 14:19:25 +0000 | [diff] [blame] | 422 | usleep(1.2 * hfuzz->tmOut * 1000000); |
robert.swiecki@gmail.com | 8906855 | 2015-02-28 05:18:25 +0000 | [diff] [blame] | 423 | #else /* defined(_HF_ARCH_DARWIN) */ |
| 424 | while (fuzz_numOfProc(hfuzz) > 1) { |
robert.swiecki@gmail.com | c1fdcfb | 2015-02-28 05:26:38 +0000 | [diff] [blame] | 425 | usleep(10000); |
robert.swiecki@gmail.com | 8906855 | 2015-02-28 05:18:25 +0000 | [diff] [blame] | 426 | } |
| 427 | #endif /* defined(_HF_ARCH_DARWIN) */ |
robert.swiecki@gmail.com | e507cb6 | 2015-02-11 17:14:49 +0000 | [diff] [blame] | 428 | LOGMSG(l_INFO, "Finished fuzzing %ld times.", hfuzz->mutationsMax); |
robert.swiecki@gmail.com | 9bc725e | 2015-02-13 12:40:06 +0000 | [diff] [blame] | 429 | sem_destroy(hfuzz->sem); |
robert.swiecki@gmail.com | e507cb6 | 2015-02-11 17:14:49 +0000 | [diff] [blame] | 430 | exit(EXIT_SUCCESS); |
| 431 | } |
| 432 | |
| 433 | hfuzz->mutationsCnt++; |
robert.swiecki@gmail.com | c844314 | 2015-02-13 13:46:40 +0000 | [diff] [blame] | 434 | fuzz_runThread(hfuzz, fuzz_threadNew); |
robert.swiecki | 3bb518c | 2010-10-14 00:48:24 +0000 | [diff] [blame] | 435 | } |
| 436 | } |