avio_read may return EOF, leaving the mimetype array unitialized. fail
early when this occurs to avoid using the array in an unitialized state.
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
int isv34)
{
int enc, pic_type;
- char mimetype[64];
+ char mimetype[64] = {0};
const CodecMime *mime = ff_id3v2_mime_tags;
enum AVCodecID id = AV_CODEC_ID_NONE;
ID3v2ExtraMetaAPIC *apic = NULL;
if (isv34) {
taglen -= avio_get_str(pb, taglen, mimetype, sizeof(mimetype));
} else {
- avio_read(pb, mimetype, 3);
+ if (avio_read(pb, mimetype, 3) < 0)
+ goto fail;
+
mimetype[3] = 0;
taglen -= 3;
}