ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Fri Apr 27 21:44:06 2018 +0200| [da038c07f02dfc10380001c11b3d047eca7cb8c9] | committer: Michael Niedermayer
avcodec/wavpack: Fix integer overflow in wv_unpack_stereo() Fixes: runtime error: signed integer overflow: 2147483531 + 16384 cannot be represented in type 'int' Fixes: 6615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5165715515506688 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=da038c07f02dfc10380001c11b3d047eca7cb8c9 --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 0e40b29879..22a2c83a30 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -452,7 +452,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb, if (type != AV_SAMPLE_FMT_S16P) R2 = R + ((s->decorr[i].weightB * (int64_t)L2 + 512) >> 10); else - R2 = R + ((int)(s->decorr[i].weightB * (unsigned)L2 + 512) >> 10); + R2 = R + (unsigned)((int)(s->decorr[i].weightB * (unsigned)L2 + 512) >> 10); UPDATE_WEIGHT_CLIP(s->decorr[i].weightB, s->decorr[i].delta, L2, R); R = R2; s->decorr[i].samplesA[0] = R; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
