From f6ba58d193d965df388224b1b18a6066ee9b4eea Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 28 May 2017 21:19:23 +0200 Subject: [PATCH] avcodec/aacsbr: Fix libavcodec/aacsbr.c:257:59: runtime error: division by zero Fixes: 1882/clusterfuzz-testcase-minimized-5539735650959360 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Rostislav Pehlivanov Signed-off-by: Michael Niedermayer --- 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];