ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 25 00:13:53 2017 +0200| [fc24783c6d196ae6303f27dea98b89ceadbc2bfe] | committer: Michael Niedermayer
avcodec/wavpack: Fix integer overflow in wv_unpack_stereo() Fixes: runtime error: signed integer overflow: 2080374785 + 2080374784 cannot be represented in type 'int' Fixes: 2351/clusterfuzz-testcase-minimized-5359403240783872 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 73ea2a028e12a7d779834f78dc496c8c4b08361f) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fc24783c6d196ae6303f27dea98b89ceadbc2bfe --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index c8a02af49c..e0208690be 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -474,7 +474,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb, } if (type == AV_SAMPLE_FMT_S16P) { - if (FFABS(L) + FFABS(R) > (1<<19)) { + if (FFABS(L) + (unsigned)FFABS(R) > (1<<19)) { av_log(s->avctx, AV_LOG_ERROR, "sample %d %d too large\n", L, R); return AVERROR_INVALIDDATA; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
