diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/afl-fuzz-redqueen.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/afl-fuzz-redqueen.c b/src/afl-fuzz-redqueen.c index d46d2b19..bac7357e 100644 --- a/src/afl-fuzz-redqueen.c +++ b/src/afl-fuzz-redqueen.c @@ -122,6 +122,9 @@ u8 colorization(u8* buf, u32 len, u32 exec_cksum) { while ((rng = pop_biggest_range(&ranges)) != NULL && stage_cur) { u32 s = rng->end - rng->start; + if (s == 0) + goto empty_range; + memcpy(backup, buf + rng->start, s); rand_replace(buf + rng->start, s); @@ -136,6 +139,7 @@ u8 colorization(u8* buf, u32 len, u32 exec_cksum) { } else needs_write = 1; +empty_range: ck_free(rng); --stage_cur; |