avcodec/amrwbdec: Fix division by 0 in voice_factor()
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 7 Dec 2017 14:32:54 +0000 (15:32 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 30 Dec 2017 20:11:32 +0000 (21:11 +0100)
commit3d297038a9ab1f518890491765a4771221a7b0cb
tree0665115badca816ad5af44769239e387267467d1
parent054188db10873fa23cd7739bb468850b23dbe8ac
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 <michael@niedermayer.cc>
(cherry picked from commit 1d0817d56b66797118880358ea7d7a2acfdca429)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/amrwbdec.c