Commit: d3999683ff5ac8b42de74cb453b459096f76f542
Author: Aaron Carlisle
Date: Thu Mar 24 21:20:26 2022 -0400
Branches: master
https://developer.blender.org/rBd3999683ff5ac8b42de74cb453b459096f76f542
WebP: Fix use after free
===================================================================
M source/blender/imbuf/intern/webp.c
===================================================================
diff --git a/source/blender/imbuf/intern/webp.c
b/source/blender/imbuf/intern/webp.c
index 89e1686493d..19fe2373ea0 100644
--- a/source/blender/imbuf/intern/webp.c
+++ b/source/blender/imbuf/intern/webp.c
@@ -85,7 +85,6 @@ bool imb_savewebp(struct ImBuf *ibuf, const char *name, int
UNUSED(flags))
}
last_row = (unsigned char *)(rgb_rect + (ibuf->y - 1) * ibuf->x * 3);
- MEM_freeN(rgb_rect);
if (ibuf->foptions.quality == 100.0f) {
encoded_data_size = WebPEncodeLosslessRGB(
@@ -95,6 +94,7 @@ bool imb_savewebp(struct ImBuf *ibuf, const char *name, int
UNUSED(flags))
encoded_data_size = WebPEncodeRGB(
last_row, ibuf->x, ibuf->y, -3 * ibuf->x, ibuf->foptions.quality,
&encoded_data);
}
+ MEM_freeN(rgb_rect);
}
else if (bytesperpixel == 4) {
last_row = (unsigned char *)(ibuf->rect + (ibuf->y - 1) * ibuf->x);
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