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fix func type check in call_ref

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This commit is contained in:
Wenyong Huang 2024-04-15 18:18:04 +08:00
parent f5eee38268
commit b4571805fe
2 changed files with 13 additions and 2 deletions
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2
core/iwasm/common/gc/gc_type.h
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@ -48,7 +48,7 @@ wasm_func_type_is_subtype_of(const WASMFuncType *type1,
const WASMTypePtr *types, uint32 type_count);
/* Whether func type1 is one of super types of func type2,
used for the func type check in call_indirect opcode */
used for the func type check in call_indirect/call_ref opcodes */
bool
wasm_func_type_is_super_of(const WASMFuncType *type1,
const WASMFuncType *type2);

13
core/iwasm/interpreter/wasm_loader.c
View File

@ -11666,6 +11666,15 @@ re_scan:
if (opcode == WASM_OP_CALL_REF
|| opcode == WASM_OP_RETURN_CALL_REF) {
read_leb_uint32(p, p_end, type_idx1);
if (!check_type_index(module, module->type_count, type_idx1,
error_buf, error_buf_size)) {
goto fail;
}
if (module->types[type_idx1]->type_flag != WASM_TYPE_FUNC) {
set_error_buf(error_buf, error_buf_size,
"unkown function type");
goto fail;
}
if (!wasm_loader_pop_nullable_typeidx(loader_ctx, &type,
&type_idx, error_buf,
error_buf_size)) {
@ -11683,7 +11692,9 @@ re_scan:
"unkown function type");
goto fail;
}
if (type_idx != type_idx1) {
if (!wasm_func_type_is_super_of(
(WASMFuncType *)module->types[type_idx1],
(WASMFuncType *)module->types[type_idx])) {
set_error_buf(error_buf, error_buf_size,
"function type mismatch");
goto fail;