ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jul 2 03:30:54 2017 +0200| [a76db7176ab8ff0eaf28f97d79254fe96a4dd520] | committer: Michael Niedermayer
avcodec/sbrdsp_fixed: Fix integer overflow in sbr_hf_apply_noise() Fixes: runtime error: signed integer overflow: -2049425300 + -117591631 cannot be represented in type 'int' Fixes: part of 2096/clusterfuzz-testcase-minimized-4901566068817920 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 2061de8a3f73f14806e5f6ccaf9a635f740a54e6) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a76db7176ab8ff0eaf28f97d79254fe96a4dd520 --- libavcodec/sbrdsp_fixed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index f42708a8a7..7d593a18b8 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -253,8 +253,8 @@ static av_always_inline int sbr_hf_apply_noise(int (*Y)[2], int m; for (m = 0; m < m_max; m++) { - int y0 = Y[m][0]; - int y1 = Y[m][1]; + unsigned y0 = Y[m][0]; + unsigned y1 = Y[m][1]; noise = (noise + 1) & 0x1ff; if (s_m[m].mant) { int shift, round; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
