From 7f8735d84baeff4d41182d0682f8bf4aeaa07c8c Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Tue, 24 Jun 2025 12:54:49 -0400
Subject: Sanity check

---
 src/stdlib/text.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/stdlib')

diff --git a/src/stdlib/text.c b/src/stdlib/text.c
index 2107c1df..9dedccdd 100644
--- a/src/stdlib/text.c
+++ b/src/stdlib/text.c
@@ -1617,8 +1617,10 @@ public void Text$serialize(const void *obj, FILE *out, Table_t *pointers, const
 public void Text$deserialize(FILE *in, void *out, List_t *pointers, const TypeInfo_t *info)
 {
     (void)info;
-    int64_t len = -1;
+    int64_t len = 0;
     Int64$deserialize(in, &len, pointers, &Int64$info);
+    if (len < 0)
+        fail("Cannot deserialize text with a negative length!");
     char *buf = GC_MALLOC_ATOMIC((size_t)len+1);
     if (fread(buf, sizeof(char), (size_t)len, in) != (size_t)len)
         fail("Not enough data in stream to deserialize");
-- 
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