Fixes heap-buffer underflows.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavfilter/vf_morpho.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavfilter/vf_morpho.c b/libavfilter/vf_morpho.c
index d5c4801006..8c1e084e7e 100644
--- a/libavfilter/vf_morpho.c
+++ b/libavfilter/vf_morpho.c
@@ -320,6 +320,7 @@ static int alloc_lut_if_necessary(LUT *Ty, IPlane *f,
chord_set *SE,
{
if (Ty->I != SE->Lnum ||
Ty->X != f->w ||
+ SE->minX < 0 && -SE->minX > Ty->pre_pad_x ||
Ty->min_r != SE->minY ||
Ty->max_r != SE->maxY + num - 1) {
int ret;
--
2.30.2
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