colorization stage mem leak fix proposal.
MODIFY
src/afl-fuzz-redqueen.c
src/afl-fuzz-redqueen.c
@@ -128,7 +128,7 @@ u8 colorization(u8* buf, u32 len, u32 exec_cksum) {
rand_replace(buf + rng->start, s);
u32 cksum;
- if (unlikely(get_exec_checksum(buf, len, &cksum))) return 1;
+ if (unlikely(get_exec_checksum(buf, len, &cksum))) goto checksum_fail;
if (cksum != exec_cksum) {
@@ -149,6 +149,7 @@ u8 colorization(u8* buf, u32 len, u32 exec_cksum) {
new_hit_cnt = queued_paths + unique_crashes;
stage_finds[STAGE_COLORIZATION] += new_hit_cnt - orig_hit_cnt;
stage_cycles[STAGE_COLORIZATION] += stage_max - stage_cur;
+ ck_free(backup);
while (ranges) {
@@ -186,6 +187,19 @@ u8 colorization(u8* buf, u32 len, u32 exec_cksum) {
return 0;
+checksum_fail:
+ ck_free(backup);
+
+ while (ranges) {
+
+ rng = ranges;
+ ranges = ranges->next;
+ ck_free(rng);
+
+ }
+
+ return 1;
+
}
///// Input to State replacement

colorization stage mem leak fix proposal.