stb/1530.patch
2023-10-25 10:54:40 -04:00

25 lines
879 B
Diff

From f100bfc302c0e095856c71a174714cce0a22e30a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20Loba=C4=8Devski?= <jarlob@github.com>
Date: Thu, 19 Oct 2023 15:30:26 +0200
Subject: [PATCH] Fix integer overflow
Cast to `size_t` to avoid multiplication overflow.
Fixes #1529
---
stb_image.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/stb_image.h b/stb_image.h
index 5e807a0a6..552129bc4 100644
--- a/stb_image.h
+++ b/stb_image.h
@@ -1207,7 +1207,7 @@ static stbi__uint16 *stbi__convert_8_to_16(stbi_uc *orig, int w, int h, int chan
int img_len = w * h * channels;
stbi__uint16 *enlarged;
- enlarged = (stbi__uint16 *) stbi__malloc(img_len*2);
+ enlarged = (stbi__uint16 *) stbi__malloc(((size_t)img_len)*2);
if (enlarged == NULL) return (stbi__uint16 *) stbi__errpuc("outofmem", "Out of memory");
for (i = 0; i < img_len; ++i)