ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Wed May 10 23:28:21 2017 +0200| [48f7757749564dac8ad68d11fca13d0739aa2304] | committer: Michael Niedermayer
avcodec/wavpack: Fix runtime error: signed integer overflow: 2147483642 + 512 cannot be represented in type 'int' Fixed: 1453/clusterfuzz-testcase-minimized-5024976874766336 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=48f7757749564dac8ad68d11fca13d0739aa2304 --- libavcodec/wavpack.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index d2ba97ee2c..87c065c1e7 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -433,8 +433,8 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb, L2 = L + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10); R2 = R + ((s->decorr[i].weightB * (int64_t)B + 512) >> 10); } else { - L2 = L + ((s->decorr[i].weightA * A + 512) >> 10); - R2 = R + ((s->decorr[i].weightB * B + 512) >> 10); + L2 = L + ((int)(s->decorr[i].weightA * A + 512U) >> 10); + R2 = R + ((int)(s->decorr[i].weightB * B + 512U) >> 10); } if (A && L) s->decorr[i].weightA -= ((((L ^ A) >> 30) & 2) - 1) * s->decorr[i].delta; _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
