avoid access null pointer (#4262)

2025-05-12 10:21:45 +08:00
parent 510bb11f4a
commit 3cce6fdaac
1 changed files with 2 additions and 1 deletions
--- a/core/iwasm/interpreter/wasm_loader.c
+++ b/core/iwasm/interpreter/wasm_loader.c
@ -820,7 +820,8 @@ load_init_expr(WASMModule *module, const uint8 **p_buf, const uint8 *buf_end,
 #else
                cur_value.gc_obj = NULL_REF;

-                if (!is_byte_a_type(type1)) {
+                if (!is_byte_a_type(type1)
+                    || wasm_is_type_multi_byte_type(type1)) {
                    p--;
                    read_leb_uint32(p, p_end, type_idx);
                    if (!check_type_index(module, module->type_count, type_idx,