On Mon, Aug 02, 2021 at 08:21:29AM +1000, Peter Ross wrote: > On Sun, Aug 01, 2021 at 09:30:31PM +0200, Michael Niedermayer wrote: > > Fixes: Infinite loop > > Fixes: > > 36311/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-4889181296918528 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/wtvdec.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c > > index a549681322..191da2718b 100644 > > --- a/libavformat/wtvdec.c > > +++ b/libavformat/wtvdec.c > > @@ -652,6 +652,8 @@ static AVStream * parse_media_type(AVFormatContext *s, > > AVStream *st, int sid, > > avio_skip(pb, size - 32); > > ff_get_guid(pb, &actual_subtype); > > ff_get_guid(pb, &actual_formattype); > > + if (avio_feof(pb)) > > + return NULL; > > avio_seek(pb, -size, SEEK_CUR); > > > > st = parse_media_type(s, st, sid, mediatype, actual_subtype, > > actual_formattype, size - 32); > > ok
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I know you won't believe me, but the highest form of Human Excellence is to question oneself and others. -- Socrates
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