Commit ee1e39a5 authored by chcunningham's avatar chcunningham Committed by Michael Niedermayer

lavf/id3v2: fail read_apic on EOF reading mimetype

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: 's avatarTomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 826655d8
......@@ -591,7 +591,7 @@ static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen,
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;
......@@ -613,7 +613,9 @@ static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen,
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;
}
......
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