Fixes: 3642/clusterfuzz-testcase-minimized-5443853801750528

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/aacsbr_fixed.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c
index 289bb86a81..3d5875a469 100644
--- a/libavcodec/aacsbr_fixed.c
+++ b/libavcodec/aacsbr_fixed.c
@@ -433,6 +433,7 @@ static void sbr_gain_calc(AACContext *ac, 
SpectralBandReplication *sbr,
                                                 av_add_sf(FLOAT_1, 
sbr->e_curr[e][m]),
                                                 av_add_sf(FLOAT_1, 
sbr->q_mapped[e][m]))));
                 }
+                sbr->gain[e][m] = av_add_sf(sbr->gain[e][m], FLOAT_MIN);
             }
             for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 
1] - sbr->kx[1]; m++) {
                 sum[0] = av_add_sf(sum[0], sbr->e_origmapped[e][m]);
-- 
2.14.2

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