ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Oct 24 01:44:12 2018 +0200| [3cc3cb663bf3061e40356392d2f7638de6a479fe] | committer: Michael Niedermayer
avutil/integer: Fix integer overflow in av_mul_i() Found-by: fate Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3cc3cb663bf3061e40356392d2f7638de6a479fe --- libavutil/integer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/integer.c b/libavutil/integer.c index 890e314dce..78e252fbde 100644 --- a/libavutil/integer.c +++ b/libavutil/integer.c @@ -74,7 +74,7 @@ AVInteger av_mul_i(AVInteger a, AVInteger b){ if(a.v[i]) for(j=i; j<AV_INTEGER_SIZE && j-i<=nb; j++){ - carry= (carry>>16) + out.v[j] + a.v[i]*b.v[j-i]; + carry= (carry>>16) + out.v[j] + a.v[i]*(unsigned)b.v[j-i]; out.v[j]= carry; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
