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final touches for skipdet

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vanhauser-thc
2024-02-01 15:22:51 +01:00
parent 06f0982f0f
commit 5ba66a8860
6 changed files with 25 additions and 15 deletions
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26
src/afl-fuzz.c
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@ -170,7 +170,7 @@ static void usage(u8 *argv0, int more_help) {
" -g minlength - set min length of generated fuzz input (default: 1)\n"
" -G maxlength - set max length of generated fuzz input (default: "
"%lu)\n"
" -D - enable deterministic fuzzing (once per queue entry)\n"
" -D - enable (a new) effective deterministic fuzzing\n"
" -L minutes - use MOpt(imize) mode and set the time limit for "
"entering the\n"
" pacemaker mode (minutes of no new finds). 0 = "
@ -955,16 +955,22 @@ int main(int argc, char **argv_orig, char **envp) {
break;
case 'D': /* no deterministic */
afl->skip_deterministic = 1;
break;
case 'd': /* partial deterministic */
case 'D': /* partial deterministic */
afl->skip_deterministic = 0;
break;
case 'd': /* no deterministic */
// this is the default and currently a lot of infrastructure enforces
// it (e.g. clusterfuzz, fuzzbench) based on that this feature
// originally was bad performance wise. We now have a better
// implementation, hence if it is activated, we do not want to
// deactivate it by such setups.
// afl->skip_deterministic = 1;
break;
case 'B': /* load bitmap */
/* This is a secret undocumented option! It is useful if you find
@ -1424,11 +1430,11 @@ int main(int argc, char **argv_orig, char **envp) {
}
#endif
// silently disable deterministic mutation if custom mutators are used
if (!afl->skip_deterministic && afl->afl_env.afl_custom_mutator_only) {
FATAL(
"Using -D determinstic fuzzing is incompatible with "
"AFL_CUSTOM_MUTATOR_ONLY!");
afl->skip_deterministic = 1;
}