ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jun 5 19:33:56 2017 +0200| [bcf63142d1596095d3ae72bd8a8807bc77f500b2] | committer: Michael Niedermayer
avcodec/cavs: Fix runtime error: signed integer overflow: -12648062 * 256 cannot be represented in type 'int' Fixes: 2067/clusterfuzz-testcase-minimized-5578430902960128 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 1e6ee86d9254e8fd2158cc9a31d3be96b0809411) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bcf63142d1596095d3ae72bd8a8807bc77f500b2 --- libavcodec/cavs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libavcodec/cavs.c b/libavcodec/cavs.c index 8542b124ef..c1b280b344 100644 --- a/libavcodec/cavs.c +++ b/libavcodec/cavs.c @@ -537,8 +537,7 @@ void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type) static inline void scale_mv(AVSContext *h, int *d_x, int *d_y, cavs_vector *src, int distp) { - int den = h->scale_den[FFMAX(src->ref, 0)]; - + int64_t den = h->scale_den[FFMAX(src->ref, 0)]; *d_x = (src->x * distp * den + 256 + FF_SIGNBIT(src->x)) >> 9; *d_y = (src->y * distp * den + 256 + FF_SIGNBIT(src->y)) >> 9; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
