wasm-micro-runtime/tests/unit/linear-memory-wasm/linear_memory_wasm_test.cc
2024-06-04 11:24:27 +08:00

328 lines
10 KiB
C++

/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "test_helper.h"
#include "gtest/gtest.h"
#include "bh_read_file.h"
#include "wasm_runtime_common.h"
static std::string CWD;
static std::string
get_binary_path()
{
char cwd[1024];
memset(cwd, 0, 1024);
if (readlink("/proc/self/exe", cwd, 1024) <= 0) {
}
char *path_end = strrchr(cwd, '/');
if (path_end != NULL) {
*path_end = '\0';
}
return std::string(cwd);
}
#if WASM_DISABLE_HW_BOUND_CHECK != 0
#define TEST_SUITE_NAME linear_memory_test_suite_wasm_no_hw_bound
#else
#define TEST_SUITE_NAME linear_memory_test_suite_wasm
#endif
class TEST_SUITE_NAME : public testing::Test
{
protected:
// You should make the members protected s.t. they can be
// accessed from sub-classes.
// virtual void SetUp() will be called before each test is run. You
// should define it if you need to initialize the varaibles.
// Otherwise, this can be skipped.
virtual void SetUp() {}
static void SetUpTestCase() { CWD = get_binary_path(); }
// virtual void TearDown() will be called after each test is run.
// You should define it if there is cleanup work to do. Otherwise,
// you don't have to provide it.
//
virtual void TearDown() {}
WAMRRuntimeRAII<512 * 1024> runtime;
};
struct ret_env {
wasm_exec_env_t exec_env;
wasm_module_t wasm_module;
wasm_module_inst_t wasm_module_inst;
unsigned char *wasm_file_buf;
char error_buf[128];
};
struct ret_env
load_wasm(char *wasm_file_tested, unsigned int app_heap_size)
{
std::string wasm_mem_page = wasm_file_tested;
const char *wasm_file = strdup((CWD + wasm_mem_page).c_str());
wasm_module_inst_t wasm_module_inst = nullptr;
wasm_module_t wasm_module = nullptr;
wasm_exec_env_t exec_env = nullptr;
unsigned char *wasm_file_buf = nullptr;
unsigned int wasm_file_size = 0;
unsigned int stack_size = 16 * 1024, heap_size = app_heap_size;
char error_buf[128] = { 0 };
struct ret_env ret_module_env;
memset(ret_module_env.error_buf, 0, 128);
wasm_file_buf =
(unsigned char *)bh_read_file_to_buffer(wasm_file, &wasm_file_size);
if (!wasm_file_buf) {
goto fail;
}
wasm_module = wasm_runtime_load(wasm_file_buf, wasm_file_size, error_buf,
sizeof(error_buf));
if (!wasm_module) {
memcpy(ret_module_env.error_buf, error_buf, 128);
goto fail;
}
wasm_module_inst = wasm_runtime_instantiate(
wasm_module, stack_size, heap_size, error_buf, sizeof(error_buf));
if (!wasm_module_inst) {
memcpy(ret_module_env.error_buf, error_buf, 128);
goto fail;
}
exec_env = wasm_runtime_create_exec_env(wasm_module_inst, stack_size);
fail:
ret_module_env.exec_env = exec_env;
ret_module_env.wasm_module = wasm_module;
ret_module_env.wasm_module_inst = wasm_module_inst;
ret_module_env.wasm_file_buf = wasm_file_buf;
return ret_module_env;
}
void
destroy_module_env(struct ret_env module_env)
{
if (module_env.exec_env) {
wasm_runtime_destroy_exec_env(module_env.exec_env);
}
if (module_env.wasm_module_inst) {
wasm_runtime_deinstantiate(module_env.wasm_module_inst);
}
if (module_env.wasm_module) {
wasm_runtime_unload(module_env.wasm_module);
}
if (module_env.wasm_file_buf) {
wasm_runtime_free(module_env.wasm_file_buf);
}
}
TEST_F(TEST_SUITE_NAME, test_wasm_mem_page_count)
{
struct ret_env tmp_module_env;
unsigned int num_normal_wasm = 9;
unsigned int num_error_wasm = 10;
const char *wasm_file_normal[num_normal_wasm] = {
"/wasm_mem_page_01.wasm", "/wasm_mem_page_02.wasm",
"/wasm_mem_page_05.wasm", "/wasm_mem_page_07.wasm",
"/wasm_mem_page_08.wasm", "/wasm_mem_page_09.wasm",
"/wasm_mem_page_10.wasm", "/wasm_mem_page_12.wasm",
"/wasm_mem_page_14.wasm"
};
const char *wasm_file_error[num_error_wasm] = {
"/wasm_mem_page_03.wasm", "/wasm_mem_page_04.wasm",
"/wasm_mem_page_06.wasm", "/wasm_mem_page_11.wasm",
"/wasm_mem_page_13.wasm", "/wasm_mem_page_15.wasm",
"/wasm_mem_page_16.wasm", "/wasm_mem_page_17.wasm",
"/wasm_mem_page_18.wasm", "/wasm_mem_page_19.wasm"
};
// Test normal wasm file.
for (int i = 0; i < num_normal_wasm; i++) {
#if UINTPTR_MAX != UINT64_MAX
// 32 bit do not load this wasm.
if ((0 == strcmp("/wasm_mem_page_12.wasm", wasm_file_normal[i]))
|| (0 == strcmp("/wasm_mem_page_14.wasm", wasm_file_normal[i]))) {
continue;
}
#endif
tmp_module_env = load_wasm((char *)wasm_file_normal[i], 16 * 1024);
EXPECT_NE(nullptr, tmp_module_env.wasm_module);
EXPECT_NE(nullptr, tmp_module_env.wasm_file_buf);
#if WASM_DISABLE_HW_BOUND_CHECK == 0
EXPECT_NE(nullptr, tmp_module_env.exec_env);
EXPECT_NE(nullptr, tmp_module_env.wasm_module_inst);
#endif
destroy_module_env(tmp_module_env);
}
// Test error wasm file.
for (int i = 0; i < num_error_wasm; i++) {
tmp_module_env = load_wasm((char *)wasm_file_error[i], 16 * 1024);
if (0 != strlen(tmp_module_env.error_buf)) {
EXPECT_EQ(0, strncmp("WASM module",
(const char *)tmp_module_env.error_buf, 11));
}
destroy_module_env(tmp_module_env);
}
}
TEST_F(TEST_SUITE_NAME, test_wasm_about_app_heap)
{
struct ret_env tmp_module_env;
// Test case: init_page_count = 65536, app heap size = 1.
tmp_module_env = load_wasm((char *)"/wasm_mem_page_03.wasm", 1);
EXPECT_EQ(0, strncmp("WASM module instantiate failed",
(const char *)tmp_module_env.error_buf, 30));
destroy_module_env(tmp_module_env);
// Test case: init_page_count = 65535, app heap size = 65537.
tmp_module_env = load_wasm((char *)"/wasm_mem_page_20.wasm", 65537);
EXPECT_EQ(0, strncmp("WASM module instantiate failed",
(const char *)tmp_module_env.error_buf, 30));
destroy_module_env(tmp_module_env);
}
TEST_F(TEST_SUITE_NAME, test_throw_exception_out_of_bounds)
{
struct ret_env tmp_module_env;
WASMFunctionInstanceCommon *func = nullptr;
bool ret = false;
uint32 argv[1] = { 9999 * 64 * 1024 };
const char *exception = nullptr;
tmp_module_env = load_wasm((char *)"/out_of_bounds.wasm", 16 * 1024);
func =
wasm_runtime_lookup_function(tmp_module_env.wasm_module_inst, "load");
if (!func) {
printf("\nFailed to wasm_runtime_lookup_function!\n");
goto failed_out_of_bounds;
}
ret = wasm_runtime_call_wasm(tmp_module_env.exec_env, func, 1, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
}
exception = wasm_runtime_get_exception(tmp_module_env.wasm_module_inst);
EXPECT_EQ(0,
strncmp("Exception: out of bounds memory access", exception, 38));
failed_out_of_bounds:
destroy_module_env(tmp_module_env);
}
TEST_F(TEST_SUITE_NAME, test_mem_grow_out_of_bounds)
{
struct ret_env tmp_module_env;
WASMFunctionInstanceCommon *func_mem_grow = nullptr;
WASMFunctionInstanceCommon *func_mem_size = nullptr;
bool ret = false;
// after refactor, the 65536 pages to one 4G page optimization is removed
// the size can be 65536 now, so use 2 + 65535 to test OOB
uint32 argv[1] = { 65535 };
const char *exception = nullptr;
// Test case: module((memory 2)), memory.grow 65535, then memory.size.
tmp_module_env = load_wasm((char *)"/mem_grow_out_of_bounds_01.wasm", 0);
func_mem_grow = wasm_runtime_lookup_function(
tmp_module_env.wasm_module_inst, "mem_grow");
if (!func_mem_grow) {
printf("\nFailed to wasm_runtime_lookup_function!\n");
goto failed_out_of_bounds;
}
func_mem_size = wasm_runtime_lookup_function(
tmp_module_env.wasm_module_inst, "mem_size");
if (!func_mem_size) {
printf("\nFailed to wasm_runtime_lookup_function!\n");
goto failed_out_of_bounds;
}
ret =
wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
goto failed_out_of_bounds;
}
EXPECT_EQ(-1, argv[0]);
ret =
wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_size, 0, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
goto failed_out_of_bounds;
}
EXPECT_EQ(2, argv[0]);
// Test case: wasm_runtime_instantiate(heap_size=32768), memory.grow 65535,
// memory.grow 1.
destroy_module_env(tmp_module_env);
tmp_module_env =
load_wasm((char *)"/mem_grow_out_of_bounds_02.wasm", 32768);
func_mem_grow = wasm_runtime_lookup_function(
tmp_module_env.wasm_module_inst, "mem_grow");
if (!func_mem_grow) {
printf("\nFailed to wasm_runtime_lookup_function!\n");
goto failed_out_of_bounds;
}
func_mem_size = wasm_runtime_lookup_function(
tmp_module_env.wasm_module_inst, "mem_size");
if (!func_mem_size) {
printf("\nFailed to wasm_runtime_lookup_function!\n");
goto failed_out_of_bounds;
}
ret =
wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_size, 0, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
goto failed_out_of_bounds;
}
EXPECT_EQ(2, argv[0]);
argv[0] = 65535;
ret =
wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
goto failed_out_of_bounds;
}
EXPECT_NE(2, argv[0]);
argv[0] = 1;
ret =
wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
if (!ret) {
printf("\nFailed to wasm_runtime_call_wasm!\n");
goto failed_out_of_bounds;
}
EXPECT_EQ(2, argv[0]);
failed_out_of_bounds:
destroy_module_env(tmp_module_env);
}