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 -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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