From 858d1dd69cad4d672c791f0c5af38dd3d5a0f936 Mon Sep 17 00:00:00 2001 From: Wenyong Huang Date: Wed, 23 Aug 2023 12:35:46 +0800 Subject: [PATCH] Fix duplicate vector init in wasm_module_validate (#2498) --- core/iwasm/common/wasm_c_api.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/core/iwasm/common/wasm_c_api.c b/core/iwasm/common/wasm_c_api.c index afb38cc92e..2da7338742 100644 --- a/core/iwasm/common/wasm_c_api.c +++ b/core/iwasm/common/wasm_c_api.c @@ -2303,12 +2303,11 @@ wasm_module_validate(wasm_store_t *store, const wasm_byte_vec_t *binary) } /* make a copy of binary */ - wasm_byte_vec_new_uninitialized(&local_binary, binary->size); + wasm_byte_vec_copy(&local_binary, binary); + 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);