On Wed, Aug 07, 2024 at 12:18:53AM +0200, Michael Niedermayer wrote: > Fixes: Use of uninitialized value > Fixes: > 70900/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-6286909377150976 > > 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 | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c > index 1a6c4c33481..730c7fca783 100644 > --- a/libavformat/wtvdec.c > +++ b/libavformat/wtvdec.c > @@ -846,7 +846,8 @@ static int parse_chunks(AVFormatContext *s, int mode, > int64_t seekts, int *len_p > } > > buf_size = FFMIN(len - consumed, sizeof(buf)); > - avio_read(pb, buf, buf_size); > + if (avio_read(pb, buf, buf_size) != buf_size) > + return AVERROR_INVALIDDATA; > consumed += buf_size; > ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, > NULL, 0, 0, NULL); > }
please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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