ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed May 24 00:21:20 2017 +0200| [5f91786fc8ad9b4108e09e6cbf119d95c8ac4db7] | committer: Michael Niedermayer
avcodec/wavpack: Fix: runtime error: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int' Fixes: 1776/clusterfuzz-testcase-minimized-6191258231898112 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5f91786fc8ad9b4108e09e6cbf119d95c8ac4db7 --- libavcodec/wavpack.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 103a416f28..20774e61d2 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -542,9 +542,9 @@ static inline int wv_unpack_mono(WavpackFrameContext *s, GetBitContext *gb, t = s->decorr[i].value; if (t > 8) { if (t & 1) - A = 2 * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]; + A = 2U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]; else - A = (3 * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]) >> 1; + A = (int)(3U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]) >> 1; s->decorr[i].samplesA[1] = s->decorr[i].samplesA[0]; j = 0; } else { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
