ffmpeg | branch: release/3.0 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Dec 7 15:32:54 2017 +0100| [4d0a4601015b83c52990e5d5d8fb34c321a7d484] | committer: Michael Niedermayer
avcodec/amrwbdec: Fix division by 0 in voice_factor() The added value matches "Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code (3GPP TS 26.304 version 14.0.0 Release 14) Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code" Fixes: runtime error: division by zero Fixes: 4415/clusterfuzz-testcase-minimized-4677752314658816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 1d0817d56b66797118880358ea7d7a2acfdca429) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4d0a4601015b83c52990e5d5d8fb34c321a7d484 --- libavcodec/amrwbdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/amrwbdec.c b/libavcodec/amrwbdec.c index 1431870fa3..328b754e7e 100644 --- a/libavcodec/amrwbdec.c +++ b/libavcodec/amrwbdec.c @@ -614,7 +614,7 @@ static float voice_factor(float *p_vector, float p_gain, AMRWB_SFR_SIZE) * f_gain * f_gain; - return (p_ener - f_ener) / (p_ener + f_ener); + return (p_ener - f_ener) / (p_ener + f_ener + 0.01); } /** _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
