Index: StandaloneFuzzTargetMain.c
===================================================================
--- StandaloneFuzzTargetMain.c
+++ StandaloneFuzzTargetMain.c
@@ -34,6 +34,7 @@
     unsigned char *buf = (unsigned char*)malloc(len);
     size_t n_read = fread(buf, 1, len, f);
     assert(n_read == len);
+    fclose(f);
     LLVMFuzzerTestOneInput(buf, len);
     free(buf);
     fprintf(stderr, "Done:    %s: (%zd bytes)\n", argv[i], n_read);