From 3dd71f1225dd04bfae91a1588a48fc94f0526cdd Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Tue, 6 May 2025 22:33:48 -0400
Subject: Check return value

---
 src/stdlib/metamethods.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/stdlib/metamethods.c b/src/stdlib/metamethods.c
index ab7bb26e..5a2dd948 100644
--- a/src/stdlib/metamethods.c
+++ b/src/stdlib/metamethods.c
@@ -87,7 +87,8 @@ public void _deserialize(FILE *input, void *outval, List_t *pointers, const Type
         return;
     }
 
-    fread(outval, (size_t)type->size, 1, input);
+    if (fread(outval, (size_t)type->size, 1, input) != (size_t)type->size)
+        fail("Not enough data in stream to deserialize");
 }
 
 public void generic_deserialize(List_t bytes, void *outval, const TypeInfo_t *type)
-- 
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