On Sun, Dec 16, 2018 at 09:42:49PM +0100, Tomas Härdin wrote: > fre 2018-12-14 klockan 13:44 -0800 skrev chcunningham: > > avio_read may return EOF, leaving the mimetype array unitialized. > > fail > > early when this occurs to avoid using the array in an unitialized > > state. > > --- > > libavformat/id3v2.c | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c > > index f7de26a1d8..5fe055b591 100644 > > --- a/libavformat/id3v2.c > > +++ b/libavformat/id3v2.c > > @@ -590,7 +590,7 @@ 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; > > @@ -612,7 +612,9 @@ 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; > > + > > Looks good to me
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life -- Protagoras
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