[FFmpeg-devel] [PATCH] avcodec/aacsbr: Fix libavcodec/aacsbr.c:257:59: runtime error: division by zero

[Rostislav Pehlivanov]

On 28 May 2017 at 20:19, Michael Niedermayer <michael at niedermayer.cc> wrote:

> Fixes: 1882/clusterfuzz-testcase-minimized-5539735650959360
>
> Found-by: continuous fuzzing process https://github.com/google/oss-
> fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/aacsbr.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
> index 15956e3f05..1d2a8d472d 100644
> --- a/libavcodec/aacsbr.c
> +++ b/libavcodec/aacsbr.c
> @@ -241,6 +241,7 @@ static void sbr_gain_calc(AACContext *ac,
> SpectralBandReplication *sbr,
>                                              ((1.0f + sbr->e_curr[e][m]) *
>                                               (1.0f +
> sbr->q_mapped[e][m])));
>                  }
> +                sbr->gain[e][m] += FLT_MIN;
>              }
>              for (m = sbr->f_tablelim[k] - sbr->kx[1]; m <
> sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) {
>                  sum[0] += sbr->e_origmapped[e][m];
> --
> 2.13.0
>
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Patch LGTM