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colorization stage mem leak fix proposal.

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This commit is contained in:
David Carlier
2020-02-15 16:18:49 +00:00
parent bd1acfd868
commit 1e679e3cbd
1 changed files with 15 additions and 1 deletions
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16
src/afl-fuzz-redqueen.c
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@ -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