From fa8a80a1152504c54c6cec698f933a29f5c24638 Mon Sep 17 00:00:00 2001
From: "liang.he" <liang.he@intel.com>
Date: Tue, 18 Jun 2024 15:31:39 +0800
Subject: [PATCH] aot loader: Prevent loading multiple native symbol sections
 (#3538)

Don't allow to load multiple native symbol sections in aot loader since
the aot compiler will create only one native symbol section.

Fix issue reported by Oss-fuzz test (#69633).
---
 core/iwasm/aot/aot_loader.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/iwasm/aot/aot_loader.c b/core/iwasm/aot/aot_loader.c
index 1fe0925d..e61c7909 100644
--- a/core/iwasm/aot/aot_loader.c
+++ b/core/iwasm/aot/aot_loader.c
@@ -651,6 +651,12 @@ load_native_symbol_section(const uint8 *buf, const uint8 *buf_end,
     int32 i;
     const char *symbol;
 
+    if (module->native_symbol_list) {
+        set_error_buf(error_buf, error_buf_size,
+                      "duplicated native symbol section");
+        return false;
+    }
+
     read_uint32(p, p_end, cnt);
 
     if (cnt > 0) {