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-rw-r--r--test/fuzzer/BadStrcmpTest.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/fuzzer/BadStrcmpTest.cpp b/test/fuzzer/BadStrcmpTest.cpp
new file mode 100644
index 000000000..ba2b068f7
--- /dev/null
+++ b/test/fuzzer/BadStrcmpTest.cpp
@@ -0,0 +1,19 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Test that we don't creash in case of bad strcmp params.
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
+
+static volatile int Sink;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ if (Size != 10) return 0;
+ // Data is not zero-terminated, so this call is bad.
+ // Still, there are cases when such calles appear, see e.g.
+ // https://bugs.llvm.org/show_bug.cgi?id=32357
+ Sink = strcmp(reinterpret_cast<const char*>(Data), "123456789");
+ return 0;
+}
+