From 4ccb533158d40e15db9e9f2ade9bb28c3f83f38e Mon Sep 17 00:00:00 2001 From: Pavel Yatcheniy Date: Thu, 28 Jan 2021 17:51:04 +0300 Subject: Support UBSan-enabled binaries --- .../ubsan/ubsan_unsigned_integer_overflow.c | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/Feature/ubsan/ubsan_unsigned_integer_overflow.c (limited to 'test/Feature/ubsan/ubsan_unsigned_integer_overflow.c') 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; +} -- cgit 1.4.1