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-rw-r--r--src/afl-fuzz-run.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c
index d53ba546..339fb9c3 100644
--- a/src/afl-fuzz-run.c
+++ b/src/afl-fuzz-run.c
@@ -380,6 +380,10 @@ u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem,
 
     }
 
+#ifdef INTROSPECTION
+    if (unlikely(!q->bitsmap_size)) q->bitsmap_size = afl->bitsmap_size;
+#endif
+
     classify_counts(&afl->fsrv);
     cksum = hash64(afl->fsrv.trace_bits, afl->fsrv.map_size, HASH_CONST);
     if (q->exec_cksum != cksum) {