mån 2024-09-23 klockan 23:32 +0200 skrev Michael Niedermayer: > Fixes: Use of uninitialized memory > Fixes: 71444/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer- > 5448597561212928 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/mxfdec.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c > index 24f4ed1c33d..b232c45f47d 100644 > --- a/libavformat/mxfdec.c > +++ b/libavformat/mxfdec.c > @@ -671,7 +671,8 @@ static int mxf_decrypt_triplet(AVFormatContext > *s, AVPacket *pkt, KLVPacket *klv > if (size < 32 || size - 32 < orig_size || (int)orig_size != > orig_size) > return AVERROR_INVALIDDATA; > avio_read(pb, ivec, 16); > - avio_read(pb, tmpbuf, 16); > + if (avio_read(pb, tmpbuf, 16) != 16) > + return AVERROR_INVALIDDATA;
I get the feeling mxfdec has a whole bunch of these.. /Tomas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
