Support UBSan-enabled binaries

1 files changed, 28 insertions, 0 deletions

diff --git a/test/Feature/ubsan/ubsan_unsigned_integer_overflow.c b/test/Feature/ubsan/ubsan_unsigned_integer_overflow.c
new file mode 100644
index 00000000..fb90d97f
--- /dev/null
+++ b/test/Feature/ubsan/ubsan_unsigned_integer_overflow.c
@@ -0,0 +1,28 @@
+// RUN: %clang %s -fsanitize=unsigned-integer-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"
+
+int main() {
+  unsigned int x;
+  unsigned int y;
+  volatile unsigned int result;
+
+  klee_make_symbolic(&x, sizeof(x), "x");
+  klee_make_symbolic(&y, sizeof(y), "y");
+
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: unsigned-integer-overflow
+  result = x + y;
+
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: unsigned-integer-overflow
+  result = x - y;
+
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: unsigned-integer-overflow
+  result = x * y;
+
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: unsigned-integer-overflow
+  result = -x;
+
+  return 0;
+}