[FFmpeg-devel] [PATCH 2/4] avcodec/ffv1dec: Fail earlier if prior context is corrupted
Michael Niedermayer
michael at niedermayer.cc
Thu Oct 6 23:37:07 EEST 2022
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/ffv1dec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index d4bc60a7da8..958b3cd3c05 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;
--
2.17.1
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