ffmpeg | branch: release/3.3 | Michael Niedermayer <mich...@niedermayer.cc> | Tue May 30 03:09:11 2017 +0200| [a24cd04074c827548c7482649723b9e5117fa2b5] | committer: Michael Niedermayer
avcodec/wavpack: Fix runtime error: signed integer overflow: 24 * -2147483648 cannot be represented in type 'int' Fixes: 1894/clusterfuzz-testcase-minimized-4716739789062144 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 d90c5bf10559554d6f9cd1dfb90767b991b76d5d) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a24cd04074c827548c7482649723b9e5117fa2b5 --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 2bda3599a8..e49a9b54a7 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -554,7 +554,7 @@ static inline int wv_unpack_mono(WavpackFrameContext *s, GetBitContext *gb, if (type != AV_SAMPLE_FMT_S16P) S = T + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10); else - S = T + ((s->decorr[i].weightA * A + 512) >> 10); + S = T + ((int)(s->decorr[i].weightA * (unsigned)A + 512) >> 10); if (A && T) s->decorr[i].weightA -= ((((T ^ A) >> 30) & 2) - 1) * s->decorr[i].delta; s->decorr[i].samplesA[j] = T = S; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
