ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jan 30 19:09:36 2021 +0100| [b4ebf483bcbf2e5db6bd29607142741f62598b4e] | committer: Michael Niedermayer
avcodec/dcadsp: Fix integer overflow in dmix_add_c() Fixes: signed integer overflow: 1515225320 + 759416059 cannot be represented in type 'int' Fixes: 29256/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DCA_fuzzer-5719088561258496 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=b4ebf483bcbf2e5db6bd29607142741f62598b4e --- libavcodec/dcadsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dcadsp.c b/libavcodec/dcadsp.c index faf244c8ad..9d00ebd281 100644 --- a/libavcodec/dcadsp.c +++ b/libavcodec/dcadsp.c @@ -329,7 +329,7 @@ static void dmix_add_c(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t le int i; for (i = 0; i < len; i++) - dst[i] += mul15(src[i], coeff); + dst[i] += (unsigned)mul15(src[i], coeff); } static void dmix_scale_c(int32_t *dst, int scale, ptrdiff_t len) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
