1 files changed, 8 insertions, 0 deletions
diff --git a/src/afl-gcc.c b/src/afl-gcc.c
index 32cd36cb..86a88014 100644
--- a/src/afl-gcc.c
+++ b/src/afl-gcc.c
@@ -411,6 +411,14 @@ int main(int argc, char **argv) {
 
   }
 
+  u8 *ptr;
+  if ((ptr = getenv("AFL_MAP_SIZE")) || (ptr = getenv("AFL_MAPSIZE"))) {
+
+    u32 map_size = atoi(ptr);
+    if (map_size != MAP_SIZE) FATAL("AFL_MAP_SIZE is not supported by afl-gcc");
+
+  }
+
   find_as(argv[0]);
 
   edit_params(argc, argv);