Support UBSan-enabled binaries

1 files changed, 24 insertions, 0 deletions

diff --git a/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c b/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c
new file mode 100644
index 00000000..8c445b0e
--- /dev/null
+++ b/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c
@@ -0,0 +1,24 @@
+// REQUIRES: geq-llvm-5.0
+
+// RUN: %clang %s -fsanitize=pointer-overflow -emit-llvm -g %O0opt -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
+
+#include "klee/klee.h"
+#include <stdio.h>
+
+int main() {
+  char c;
+  char* ptr = &c;
+
+  size_t offset;
+  volatile char* result;
+
+  klee_make_symbolic(&offset, sizeof(offset), "offset");
+  klee_assume((size_t)(ptr) + offset != 0);
+
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: pointer-overflow
+  result = ptr + offset;
+
+  return 0;
+}