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/*
* Copyright 2009- ECMWF.
*
* This software is licensed under the terms of the Apache Licence version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation
* nor does it submit to any jurisdiction.
*/
#include <cstdlib>
#include <boost/test/unit_test.hpp>
#include "ecflow/core/Environment.hpp"
#include "ecflow/test/scaffold/Naming.hpp"
static bool is_sanitizer_available() {
/*
* This condition is used to skip the test if the sanitizer is not available.
*
* The implementation to skip a test is currently to short-circuit into early termination.
* A better approach would be to use the boost::unit_test::precondition() decorator to skip the test based on
* a runtime condition.
* Unfortunatelly this approach does not work when using Boost 1.66 @ Rocky 8.6.
*/
bool is_available = ecf::environment::has("ECF_TEST_SANITIZER_AS");
return is_available;
}
BOOST_AUTO_TEST_SUITE(U_Core)
BOOST_AUTO_TEST_SUITE(T_SanitizerAS)
bool bool_returning_function() {
return true;
}
int integer_returning_function() {
return 3;
}
#if defined(__GNUC__) and !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
// *** This test does not seem work with address sanitiser ****
BOOST_AUTO_TEST_CASE(test_sanitizer_use_of_out_of_scope_stack_memory) {
ECF_NAME_THIS_TEST();
if (!is_sanitizer_available()) {
return;
}
int* pointer = NULL;
if (bool_returning_function()) {
int value = integer_returning_function();
pointer = &value;
}
std::cout << "dodgy pointer:" << *pointer << "\n"; // Error: invalid access of stack memory out of declaration scope
*pointer = 42;
std::cout << "dodgy pointer:" << *pointer << "\n";
BOOST_CHECK_MESSAGE(true, "stop boost test from complaining");
}
#if defined(__GNUC__) and !defined(__clang__)
#pragma GCC diagnostic pop
#endif
#if defined(__GNUC__) and !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Warray-bounds"
#endif
BOOST_AUTO_TEST_CASE(test_sanitizer_vector_overflow) {
ECF_NAME_THIS_TEST();
if (!is_sanitizer_available()) {
return;
}
// This check detects when a libc++ container is accessed beyond the region [container.begin(), container.end())
// — even when the accessed memory is in a heap-allocated buffer used internally by a container.
// the following example, the vector variable has valid indexes in the range [0, 2], but is accessed at index 3,
// causing an overflow.
std::vector<int> vector{0, 1, 2};
auto* pointer = &vector[0];
std::cout << pointer[3]; // Error: out of bounds access for vector
BOOST_CHECK_MESSAGE(true, "stop boost test from complaining");
}
#if defined(__GNUC__) and !defined(__clang__)
#pragma GCC diagnostic pop
#endif
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
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