update ceph source to reef 18.1.2

[ceph.git] / ceph / src / jaegertracing / opentelemetry-cpp / third_party / nlohmann-json / test / thirdparty / Fuzzer / test / OneHugeAllocTest.cpp

diff --git a/ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/test/thirdparty/Fuzzer/test/OneHugeAllocTest.cpp b/ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/test/thirdparty/Fuzzer/test/OneHugeAllocTest.cpp
new file mode 100644 (file)
index 0000000..8d3d1d6
--- /dev/null
+++ b/ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/test/thirdparty/Fuzzer/test/OneHugeAllocTest.cpp
@@ -0,0 +1,28 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Tests OOM handling when there is a single large allocation.
+#include <assert.h>
+#include <cstdint>
+#include <cstdlib>
+#include <cstddef>
+#include <cstring>
+#include <iostream>
+
+static volatile char *SinkPtr;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Size > 0 && Data[0] == 'H') {
+    if (Size > 1 && Data[1] == 'i') {
+      if (Size > 2 && Data[2] == '!') {
+        size_t kSize = (size_t)1 << 31;
+        char *p = new char[kSize];
+        memset(p, 0, kSize);
+        SinkPtr = p;
+        delete [] p;
+      }
+    }
+  }
+  return 0;
+}
+