On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: > On 6/27/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > > Fixes: signed integer overflow: 61 + 2147483647 cannot be represented in > > type 'int' > > Fixes: > > 15311/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5742552826773504 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/dxv.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c > > index 5fd1844094..3506775560 100644 > > --- a/libavcodec/dxv.c > > +++ b/libavcodec/dxv.c > > @@ -745,7 +745,7 @@ static int dxv_decompress_cocg(DXVContext *ctx, > > GetByteContext *gb, > > int skip0, skip1, oi0 = 0, oi1 = 0; > > int ret, state0 = 0, state1 = 0; > > > > - if (op_offset < 12) > > + if (op_offset < 12 || op_offset - 12 > bytestream2_get_bytes_left(gb)) > > return AVERROR_INVALIDDATA; > > > > dst = tex_data; > > -- > > 2.22.0 > > > > _______________________________________________ > > 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". > > Make sure this does not break any files.
Do you have any specific files i should test ? I of course cannot test every file on earth ... Thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.
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