On Thu, Dec 26, 2024 at 11:39:10AM +0100, Marton Balint wrote: > > > On Thu, 26 Dec 2024, Michael Niedermayer wrote: > > > Fixes: use of uninitialized data > > Fixes: > > 383825642/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5380168801124352 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/vqf.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/libavformat/vqf.c b/libavformat/vqf.c > > index 4820e0817c3..79deb33744b 100644 > > --- a/libavformat/vqf.c > > +++ b/libavformat/vqf.c > > @@ -63,7 +63,8 @@ static void add_metadata(AVFormatContext *s, uint32_t tag, > > buf = av_malloc(len+1); > > if (!buf) > > return; > > - avio_read(s->pb, buf, len); > > + if (len != avio_read(s->pb, buf, len)) > > + return; > > You should propagate error codes.
will post a seperate patch thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Observe your enemies, for they first find out your faults. -- Antisthenes
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