[FFmpeg-cvslog] avformat/mov: fix use invalid box size/type due to eof

[Zhao Zhili]

ffmpeg | branch: master | Zhao Zhili <quinkblack at foxmail.com> | Tue Apr 26 16:05:16 2022 +0800| [6c1b685e20edc6ead607b935d1d79740b9857e25] | committer: Zhao Zhili

avformat/mov: fix use invalid box size/type due to eof

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6c1b685e20edc6ead607b935d1d79740b9857e25
---

 libavformat/mov.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index dc55ea7255..87760cab95 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -7689,10 +7689,12 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     if (atom.size < 0)
         atom.size = INT64_MAX;
-    while (total_size <= atom.size - 8 && !avio_feof(pb)) {
+    while (total_size <= atom.size - 8) {
         int (*parse)(MOVContext*, AVIOContext*, MOVAtom) = NULL;
         a.size = avio_rb32(pb);
         a.type = avio_rl32(pb);
+        if (avio_feof(pb))
+            break;
         if (((a.type == MKTAG('f','r','e','e') && c->moov_retry) ||
               a.type == MKTAG('h','o','o','v')) &&
             a.size >= 8 &&