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authorPaul B Mahol <onemda@gmail.com>2019-10-13 23:10:16 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2022-05-04 18:37:34 +0200
commit07bc7b2c075f510e344b49416adaf13b9a896a81 (patch)
treeb5eefbe1d1445d94e68a33939ae8d5b49faf9274
parent0744d7176ae1027d5ad7de28b283a78d58e64545 (diff)
downloadffmpeg-07bc7b2c075f510e344b49416adaf13b9a896a81.tar.gz
avfilter/vf_fieldorder: fix heap-buffer overflow
Fixes #8264 (cherry picked from commit 07050d7bdc32d82e53ee5bb727f5882323d00dba) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavfilter/vf_fieldorder.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vf_fieldorder.c b/libavfilter/vf_fieldorder.c
index ca55ff1f66..5707151f1b 100644
--- a/libavfilter/vf_fieldorder.c
+++ b/libavfilter/vf_fieldorder.c
@@ -108,8 +108,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
s->dst_tff ? "up" : "down");
h = frame->height;
for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
- dst_line_step = out->linesize[plane];
- src_line_step = frame->linesize[plane];
+ dst_line_step = out->linesize[plane] * (h > 2);
+ src_line_step = frame->linesize[plane] * (h > 2);
line_size = s->line_size[plane];
dst = out->data[plane];
src = frame->data[plane];