diff options
Diffstat (limited to 'src/afl-fuzz-queue.c')
| -rw-r--r-- | src/afl-fuzz-queue.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c index 61bf62f5..92cbab6f 100644 --- a/src/afl-fuzz-queue.c +++ b/src/afl-fuzz-queue.c @@ -186,7 +186,7 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { u64 fav_factor; u64 fuzz_p2 = next_pow2(q->n_fuzz); - if (afl->schedule == MMOPT || afl->schedule == RARE) + if (afl->schedule == MMOPT || afl->schedule == RARE || unlikely(afl->fixed_seed)) fav_factor = q->len << 2; else fav_factor = q->exec_us * q->len; @@ -203,7 +203,7 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { u64 top_rated_fav_factor; u64 top_rated_fuzz_p2 = next_pow2(afl->top_rated[i]->n_fuzz); - if (afl->schedule == MMOPT || afl->schedule == RARE) + if (afl->schedule == MMOPT || afl->schedule == RARE || unlikely(afl->fixed_seed)) top_rated_fav_factor = afl->top_rated[i]->len << 2; else top_rated_fav_factor = @@ -214,8 +214,17 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { else if (fuzz_p2 == top_rated_fuzz_p2) if (fav_factor > top_rated_fav_factor) continue; - if (fav_factor > afl->top_rated[i]->exec_us * afl->top_rated[i]->len) - continue; + if (afl->schedule == MMOPT || afl->schedule == RARE || unlikely(afl->fixed_seed)) { + + if (fav_factor > afl->top_rated[i]->len << 2) + continue; + + } else { + + if (fav_factor > afl->top_rated[i]->exec_us * afl->top_rated[i]->len) + continue; + + } /* Looks like we're going to win. Decrease ref count for the previous winner, discard its afl->fsrv.trace_bits[] if necessary. */ @@ -330,7 +339,7 @@ u32 calculate_score(afl_state_t *afl, struct queue_entry *q) { // Longer execution time means longer work on the input, the deeper in // coverage, the better the fuzzing, right? -mh - if (afl->schedule != MMOPT && afl->schedule != RARE) { + if (afl->schedule != MMOPT && afl->schedule != RARE && likely(!afl->fixed_seed)) { if (q->exec_us * 0.1 > avg_exec_us) perf_score = 10; |