vendor/compiler-rt/compiler-rt-trunk-r338150

1 files changed, 36 insertions, 0 deletions

diff --git a/test/fuzzer/ThreeFunctionsTest.cpp b/test/fuzzer/ThreeFunctionsTest.cpp
new file mode 100644
index 000000000000..1278cb05633d
--- /dev/null
+++ b/test/fuzzer/ThreeFunctionsTest.cpp
@@ -0,0 +1,36 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Find "FUZZME", the target has 3 different functions.
+#include <assert.h>
+#include <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <cstdio>
+
+extern "C"
+__attribute__((noinline))
+bool Func1(const uint8_t *Data, size_t Size) {
+  // assumes Size >= 5, doesn't check it.
+  return Data[4] == 'M';
+}
+
+extern "C"
+__attribute__((noinline))
+bool Func2(const uint8_t *Data, size_t Size) {
+  return Size >= 6 && Data[5] == 'E';
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Size >= 5
+      && Data[0] == 'F'
+      && Data[1] == 'U'
+      && Data[2] == 'Z'
+      && Data[3] == 'Z'
+      && Func1(Data, Size)
+      && Func2(Data, Size)) {
+        fprintf(stderr, "BINGO\n");
+        abort();
+  }
+  return 0;
+}