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authorwm4 <wm4@nowhere>2014-11-16 17:23:39 +0100
committerwm4 <wm4@nowhere>2014-11-16 17:23:39 +0100
commit52ec0bab2f2b2027daa0415124d08e9898c5529a (patch)
tree967f43da76160ff45070c09b8522908e54b7c996
parent045f646ab3b076002aef5e24b3e51713f40492cc (diff)
downloadlibass-52ec0bab2f2b2027daa0415124d08e9898c5529a.tar.bz2
libass-52ec0bab2f2b2027daa0415124d08e9898c5529a.tar.xz
Check the overflow check for overflows
Seriously... Checking for negative values might not be needed, but do it anyway.
-rw-r--r--libass/ass_bitmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c
index 2c523b4..97e93a0 100644
--- a/libass/ass_bitmap.c
+++ b/libass/ass_bitmap.c
@@ -302,7 +302,7 @@ Bitmap *outline_to_bitmap(ASS_Renderer *render_priv,
int w = x_max - x_min;
int h = y_max - y_min;
- if (w * h > 8000000) {
+ if (w < 0 || h < 0 || w > 8000000 / FFMAX(h, 1)) {
ass_msg(render_priv->library, MSGL_WARN, "Glyph bounding box too large: %dx%dpx",
w, h);
return NULL;