avformat/id3v2: Check avio_read() return value in read_chapter()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-15 20:57:19 +01:00
parent 460f8fca9c
commit ffbcb1c6f0

View File

@ -544,7 +544,8 @@ static void read_chapter(AVFormatContext *s, AVIOContext *pb, int len, char *tta
len -= 16;
while (len > 10) {
avio_read(pb, tag, 4);
if (avio_read(pb, tag, 4) < 4)
goto end;
tag[4] = 0;
taglen = avio_rb32(pb);
avio_skip(pb, 2);