[FFmpeg-cvslog] avcodec/ffv1dec: Fail earlier if prior context is corrupted
Michael Niedermayer
git at videolan.org
Thu Feb 23 23:19:59 EET 2023
ffmpeg | branch: release/5.1 | Michael Niedermayer <michael at niedermayer.cc> | Thu Oct 6 22:04:48 2022 +0200| [3314bababfd34fdd92f9003d2777b93a5675ceb2] | committer: Michael Niedermayer
avcodec/ffv1dec: Fail earlier if prior context is corrupted
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 4df91e2215a79546a7f08faa457c05182646b302)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3314bababfd34fdd92f9003d2777b93a5675ceb2
---
libavcodec/ffv1dec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index 9300297267..5660e5d940 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -303,8 +303,11 @@ static int decode_slice(AVCodecContext *c, void *arg)
}
if ((ret = ff_ffv1_init_slice_state(f, fs)) < 0)
return ret;
- if (f->cur->key_frame || fs->slice_reset_contexts)
+ if (f->cur->key_frame || fs->slice_reset_contexts) {
ff_ffv1_clear_slice_state(f, fs);
+ } else if (fs->slice_damaged) {
+ return AVERROR_INVALIDDATA;
+ }
width = fs->slice_width;
height = fs->slice_height;
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