From b4f7d8b1566e3220d0e9004499ef9c257e079c57 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 7 Aug 2024 15:30:11 +0200
Subject: Merging upstream version 1.22.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/compat/vasprintf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/compat/vasprintf.c')

diff --git a/lib/compat/vasprintf.c b/lib/compat/vasprintf.c
index 9d53a32..b5a2783 100644
--- a/lib/compat/vasprintf.c
+++ b/lib/compat/vasprintf.c
@@ -19,6 +19,8 @@
 
 #include <config.h>
 
+#include <errno.h>
+#include <limits.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -36,7 +38,9 @@ vasprintf(char **strp, char const *fmt, va_list args)
 	needed = vsnprintf(NULL, 0, fmt, args_copy);
 	va_end(args_copy);
 
-	if (needed < 0) {
+	if (needed < 0 || needed >= INT_MAX) {
+		if (needed >= INT_MAX)
+			errno = EOVERFLOW;
 		*strp = NULL;
 		return -1;
 	}
-- 
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