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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-10-03 10:03:44 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-10-04 17:27:50 +0200
commit806a91bd4c40ae8ed7c345dc320d6c111e8f3328 (patch)
treea1b7f278965cbdc9a36c679af9e05cd126c9f53f
parent0536c5a449e5c9447d5042109b0b963d98e00596 (diff)
avfilter/vf_morpho: Take pre-padding into account for LUT-reallocation
Fixes heap-buffer underflows. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavfilter/vf_morpho.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/vf_morpho.c b/libavfilter/vf_morpho.c
index ea8a0c065e..04b1580025 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;