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Clone the input binary during wasm_module_validate (#2483)

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liang.he 2023-08-21 19:43:28 +08:00 committed by GitHub
parent a2f76cf93c
commit f0632edc37
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2 changed files with 23 additions and 4 deletions
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21
core/iwasm/common/wasm_c_api.c
View File

@ -2290,8 +2290,10 @@ quit:
bool
wasm_module_validate(wasm_store_t *store, const wasm_byte_vec_t *binary)
{
wasm_byte_vec_t local_binary = { 0 };
struct WASMModuleCommon *module_rt;
char error_buf[128] = { 0 };
bool ret;
bh_assert(singleton_engine);
@ -2300,15 +2302,26 @@ wasm_module_validate(wasm_store_t *store, const wasm_byte_vec_t *binary)
return false;
}
if ((module_rt = wasm_runtime_load((uint8 *)binary->data,
(uint32)binary->size, error_buf, 128))) {
/* make a copy of binary */
wasm_byte_vec_new_uninitialized(&local_binary, binary->size);
if (binary->size && !local_binary.data)
return false;
wasm_byte_vec_copy(&local_binary, binary);
module_rt = wasm_runtime_load((uint8 *)local_binary.data,
(uint32)local_binary.size, error_buf, 128);
wasm_byte_vec_delete(&local_binary);
if (module_rt) {
wasm_runtime_unload(module_rt);
return true;
ret = true;
}
else {
ret = false;
LOG_VERBOSE(error_buf);
return false;
}
return ret;
}
static void

6
samples/wasm-c-api/src/hello.c
View File

@ -65,6 +65,12 @@ int main(int argc, const char* argv[]) {
}
fclose(file);
if (!wasm_module_validate(store, &binary)) {
printf("> Error validate module!\n");
wasm_byte_vec_delete(&binary);
return 1;
}
// Compile.
printf("Compiling module...\n");
own wasm_module_t* module = wasm_module_new(store, &binary);