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-rw-r--r--src/afl-fuzz-queue.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 3c8a3e46..65446799 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -1028,10 +1028,16 @@ u32 calculate_score(afl_state_t *afl, struct queue_entry *q) {
       break;
 
     case LIN:
+      // Don't modify perf_score for unfuzzed seeds
+      if (!q->fuzz_level) break;
+
       factor = q->fuzz_level / (afl->n_fuzz[q->n_fuzz_entry] + 1);
       break;
 
     case QUAD:
+      // Don't modify perf_score for unfuzzed seeds
+      if (!q->fuzz_level) break;
+
       factor =
           q->fuzz_level * q->fuzz_level / (afl->n_fuzz[q->n_fuzz_entry] + 1);
       break;