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[fuzzing] Use software bound-check during fuzzing (#4003)

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* Update CMakeLists.txt of fuzzing

- enable software bound-check
- enable wasi
- disable libc builtin and multiple modules

* Fix off-by-one error in result offset calculation for function calls
This commit is contained in:
liang.he
2025-01-06 11:36:11 +08:00
committed by GitHub
parent 1807eec9d2
commit 9989b1cc1b
2 changed files with 10 additions and 5 deletions
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7
core/iwasm/interpreter/wasm_interp_fast.c
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@ -1670,7 +1670,8 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
{
uint32 ret_idx;
WASMFuncType *func_type;
uint32 off, ret_offset;
int32 off;
uint32 ret_offset;
uint8 *ret_types;
if (cur_func->is_import_func)
func_type = cur_func->u.func_import->func_type;
@ -1682,9 +1683,9 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
ret_offset = prev_frame->ret_offset;
for (ret_idx = 0,
off = sizeof(int16) * (func_type->result_count - 1);
off = (int32)sizeof(int16) * (func_type->result_count - 1);
ret_idx < func_type->result_count;
ret_idx++, off -= sizeof(int16)) {
ret_idx++, off -= (int32)sizeof(int16)) {
if (ret_types[ret_idx] == VALUE_TYPE_I64
|| ret_types[ret_idx] == VALUE_TYPE_F64) {
PUT_I64_TO_ADDR(prev_frame->lp + ret_offset,