From 4df91e2215a79546a7f08faa457c05182646b302 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 6 Oct 2022 22:04:48 +0200 Subject: [PATCH] avcodec/ffv1dec: Fail earlier if prior context is corrupted Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 9a610c2ff9..b1cfc4bf57 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;