Fixes: timeout in 758/clusterfuzz-testcase-4720832028868608
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/vp56.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index 0010408847..bccb424903 100644
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -710,7 +710,7 @@ static int ff_vp56_decode_mbs(AVCodecContext *avctx, void
*data,
int ret = vp56_decode_mb(s, mb_row, mb_col, is_alpha);
if (ret < 0) {
damaged = 1;
- if (!s->have_undamaged_frame) {
+ if (s->have_undamaged_frame < s->mb_width * s->mb_height) {
s->discard_frame = 1;
return AVERROR_INVALIDDATA;
}
@@ -732,7 +732,7 @@ static int ff_vp56_decode_mbs(AVCodecContext *avctx, void
*data,
}
if (!damaged)
- s->have_undamaged_frame = 1;
+ s->have_undamaged_frame = s->mb_width * s->mb_height;
next:
if (p->key_frame || s->golden_frame) {
--
2.11.0
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