Add option for random cmplog colorization

This commit is contained in:
guyf2010
2022-11-13 14:37:33 +00:00
parent c5f8869778
commit bb81fb784e
3 changed files with 20 additions and 4 deletions

View File

@ -167,6 +167,13 @@ static u8 get_exec_checksum(afl_state_t *afl, u8 *buf, u32 len, u64 *cksum) {
}
/* replace everything with different values */
static void random_replace(afl_state_t *afl, u8 *buf, u32 len){
for(u32 i=0; i < len; i++){
buf[i] = rand_below(afl, 256);
}
}
/* replace everything with different values but stay in the same type */
static void type_replace(afl_state_t *afl, u8 *buf, u32 len) {
@ -293,7 +300,11 @@ static u8 colorization(afl_state_t *afl, u8 *buf, u32 len,
memcpy(backup, buf, len);
memcpy(changed, buf, len);
type_replace(afl, changed, len);
if (afl->cmplog_random_colorization) {
random_replace(afl, changed, len);
} else {
type_replace(afl, changed, len);
}
while ((rng = pop_biggest_range(&ranges)) != NULL &&
afl->stage_cur < afl->stage_max) {