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_pointer_overflow-pointer_arithmetic.c | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c (limited to 'test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c') 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 + +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; +} -- cgit 1.4.1