On Fri, 10 Mar 2017 15:24:51 +0100 Michael Niedermayer <mich...@niedermayer.cc> wrote:
> Fixes: 732/clusterfuzz-testcase-4872990070145024 > > See: [FFmpeg-devel] [PATCH 2/6] avcodec/dca_xll: Fix runtime error: signed > integer overflow: 2147286116 + 6298923 cannot be represented in type 'int' > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/dca_xll.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/dca_xll.c b/libavcodec/dca_xll.c > index 6cebda35e4..0fe90c7348 100644 > --- a/libavcodec/dca_xll.c > +++ b/libavcodec/dca_xll.c > @@ -1312,7 +1312,7 @@ static int combine_residual_frame(DCAXllDecoder *s, > DCAXllChSet *c) > } else { > // No downmix scaling > for (n = 0; n < nsamples; n++) > - dst[n] += (src[n] + round) >> shift; > + dst[n] += (unsigned)((src[n] + round) >> shift); > } > } > Seems reasonable. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel