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Check whether related table has funcref elem in opcode call_indirect (#3999)

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* check whether table has funcref elem in call_indirect
* check whether table has funcref elem in call_indirect when gc is enabled
This commit is contained in:
TianlongLiang 2025-01-06 13:55:43 +08:00 committed by GitHub
parent 9989b1cc1b
commit a653746b7b
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2 changed files with 50 additions and 0 deletions
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41
core/iwasm/interpreter/wasm_loader.c
View File

@ -12103,6 +12103,10 @@ re_scan:
{
int32 idx;
WASMFuncType *func_type;
uint32 tbl_elem_type;
#if WASM_ENABLE_GC != 0
WASMRefType *elem_ref_type = NULL;
#endif
read_leb_uint32(p, p_end, type_idx);
#if WASM_ENABLE_REF_TYPES != 0 || WASM_ENABLE_GC != 0
@ -12125,6 +12129,43 @@ re_scan:
error_buf_size)) {
goto fail;
}
tbl_elem_type =
table_idx < module->import_table_count
? module->import_tables[table_idx]
.u.table.table_type.elem_type
: module->tables[table_idx - module->import_table_count]
.table_type.elem_type;
#if WASM_ENABLE_GC == 0 && WASM_ENABLE_REF_TYPES != 0
if (tbl_elem_type != VALUE_TYPE_FUNCREF) {
set_error_buf_v(error_buf, error_buf_size,
"type mismatch: instruction requires table "
"of functions but table %u has externref",
table_idx);
goto fail;
}
#elif WASM_ENABLE_GC != 0
/* Table element must match type ref null func */
elem_ref_type =
table_idx < module->import_table_count
? module->import_tables[table_idx]
.u.table.table_type.elem_ref_type
: module->tables[table_idx - module->import_table_count]
.table_type.elem_ref_type;
if (!wasm_reftype_is_subtype_of(
tbl_elem_type, elem_ref_type, REF_TYPE_FUNCREF, NULL,
module->types, module->type_count)) {
set_error_buf_v(error_buf, error_buf_size,
"type mismatch: instruction requires "
"reference type t match type ref null func"
"in table %u",
table_idx);
goto fail;
}
#else
(void)tbl_elem_type;
#endif
#if WASM_ENABLE_FAST_INTERP != 0
/* we need to emit before arguments */

9
core/iwasm/interpreter/wasm_mini_loader.c
View File

@ -6700,6 +6700,15 @@ re_scan:
goto fail;
}
bh_assert(
(table_idx < module->import_table_count
? module->import_tables[table_idx]
.u.table.table_type.elem_type
: module
->tables[table_idx - module->import_table_count]
.table_type.elem_type)
== VALUE_TYPE_FUNCREF);
#if WASM_ENABLE_FAST_INTERP != 0
/* we need to emit before arguments */
emit_uint32(loader_ctx, type_idx);