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/*
* Copyright (C) 2023 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <dlfcn.h>
#include <stdlib.h>
#include <gtest/gtest.h>
#include <android-base/silent_death_test.h>
#include <android-base/test_utils.h>
using HwasanDeathTest = SilentDeathTest;
TEST_F(HwasanDeathTest, UseAfterFree) {
EXPECT_DEATH(
{
void* m = malloc(1);
volatile char* x = const_cast<volatile char*>(reinterpret_cast<char*>(m));
*x = 1;
free(m);
*x = 2;
},
"use-after-free");
}
TEST_F(HwasanDeathTest, OutOfBounds) {
EXPECT_DEATH(
{
void* m = malloc(1);
volatile char* x = const_cast<volatile char*>(reinterpret_cast<char*>(m));
x[1] = 1;
},
"buffer-overflow");
}
// Check whether dlopen of /foo/bar.so checks /foo/hwasan/bar.so first.
TEST(HwasanTest, DlopenAbsolutePath) {
std::string path = android::base::GetExecutableDirectory() + "/libtest_simple_hwasan.so";
ASSERT_EQ(0, access(path.c_str(), F_OK)); // Verify test setup.
std::string hwasan_path =
android::base::GetExecutableDirectory() + "/hwasan/libtest_simple_hwasan.so";
ASSERT_EQ(0, access(hwasan_path.c_str(), F_OK)); // Verify test setup.
void* handle = dlopen(path.c_str(), RTLD_NOW);
ASSERT_TRUE(handle != nullptr);
uint32_t* compiled_with_hwasan =
reinterpret_cast<uint32_t*>(dlsym(handle, "dlopen_testlib_compiled_with_hwasan"));
EXPECT_TRUE(*compiled_with_hwasan);
dlclose(handle);
}
TEST(HwasanTest, IsRunningWithHWasan) {
EXPECT_TRUE(running_with_hwasan());
}
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