---
libavformat/mov.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 085d2a7..bfbf599 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4229,7 +4229,10 @@ static int mov_read_packet(AVFormatContext *s, AVPacket
*pkt)
mov->found_mdat = 0;
if (!mov->next_root_atom)
return AVERROR_EOF;
- avio_seek(s->pb, mov->next_root_atom, SEEK_SET);
+ if (avio_seek(s->pb, mov->next_root_atom, SEEK_SET) !=
mov->next_root_atom) {
+ av_log(mov->fc, AV_LOG_ERROR, "next root atom offset 0x%"PRIx64":
partial file\n", mov->next_root_atom);
+ return AVERROR_INVALIDDATA;
+ }
mov->next_root_atom = 0;
if (mov_read_default(mov, s->pb, (MOVAtom){ AV_RL32("root"), INT64_MAX
}) < 0 ||
avio_feof(s->pb))
--
2.0.0
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