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add -b option to afl-fuzz

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This commit is contained in:
van Hauser
2020-07-30 19:00:41 +02:00
parent c661587128
commit 320f26d26f
5 changed files with 37 additions and 9 deletions
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19
src/afl-fuzz.c
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@ -143,6 +143,8 @@ static void usage(afl_state_t *afl, u8 *argv0, int more_help) {
//" -B bitmap.txt - mutate a specific test case, use the out/fuzz_bitmap
//" "file\n"
" -C - crash exploration mode (the peruvian rabbit thing)\n"
" -b cpu_id - bind the fuzzing process to the specified CPU core "
"(0-...)\n"
" -e ext - file extension for the fuzz test input file (if "
"needed)\n\n",
argv0, EXEC_TIMEOUT, MEM_LIMIT, FOREIGN_SYNCS_MAX);
@ -271,9 +273,9 @@ int main(int argc, char **argv_orig, char **envp) {
afl->shmem_testcase_mode = 1; // we always try to perform shmem fuzzing
while ((opt = getopt(argc, argv,
"+c:i:I:o:f:F:m:t:T:dDnCB:S:M:x:QNUWe:p:s:V:E:L:hRP:")) >
0) {
while ((opt = getopt(
argc, argv,
"+b:c:i:I:o:f:F:m:t:T:dDnCB:S:M:x:QNUWe:p:s:V:E:L:hRP:")) > 0) {
switch (opt) {
@ -281,6 +283,17 @@ int main(int argc, char **argv_orig, char **envp) {
afl->infoexec = optarg;
break;
case 'b': { /* bind CPU core */
if (afl->cpu_to_bind != -1) FATAL("Multiple -b options not supported");
if (sscanf(optarg, "%u", &afl->cpu_to_bind) < 0 || optarg[0] == '-')
FATAL("Bad syntax used for -b");
break;
}
case 'c': {
afl->shm.cmplog_mode = 1;