ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jan 14 00:39:39 2018 +0100| [56b0179b6a030f1d3b0bcad101d05d01583aad38] | committer: Michael Niedermayer
avcodec/ac3dec_fixed: Fix integer overflow in scale_coefs() Fixes: runtime error: signed integer overflow: 2147483520 + 128 cannot be represented in type 'int' Fixes: 4800/clusterfuzz-testcase-minimized-6110372403609600 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 a1f38c75893c852cf19dcf3e4553549ba1e70950) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=56b0179b6a030f1d3b0bcad101d05d01583aad38 --- libavcodec/ac3dec_fixed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/ac3dec_fixed.c b/libavcodec/ac3dec_fixed.c index 9a6d7a08b1..bd66175d50 100644 --- a/libavcodec/ac3dec_fixed.c +++ b/libavcodec/ac3dec_fixed.c @@ -64,8 +64,8 @@ static void scale_coefs ( int dynrng, int len) { - int i, shift, round; - unsigned mul; + int i, shift; + unsigned mul, round; int temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7; mul = (dynrng & 0x1f) + 0x20; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
