prevent weighting < 1
MODIFY
src/afl-fuzz-queue.c
src/afl-fuzz-queue.c
@@ -51,13 +51,14 @@ double compute_weight(afl_state_t *afl, struct queue_entry *q,
if (likely(afl->schedule >= FAST && afl->schedule <= RARE)) {
u32 hits = afl->n_fuzz[q->n_fuzz_entry];
- if (likely(hits)) { weight *= log10(hits) + 1; }
+ if (likely(hits)) { weight *= (log10(hits) + 1); }
}
if (likely(afl->schedule < RARE)) { weight *= (avg_exec_us / q->exec_us); }
weight *= (log(q->bitmap_size) / avg_bitmap_size);
weight *= (1 + (q->tc_ref / avg_top_size));
+ if (unlikely(weight < 1.0)) { weight = 1.0; }
if (unlikely(q->favored)) { weight *= 5; }
if (unlikely(!q->was_fuzzed)) { weight *= 2; }

prevent weighting < 1