ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Aug 25 17:49:15 2019 +0200| [f1192736494a5b16717de66da4a3d3c6af0e9a7a] | committer: Michael Niedermayer
avcodec/takdec: Fix integer overflow in decorrelate() Fixes: signed integer overflow: -2424832 - 2145653689 cannot be represented in type 'int' Fixes: 16138/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5643451346976768 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=f1192736494a5b16717de66da4a3d3c6af0e9a7a --- libavcodec/takdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c index 0439a3ac9b..4fb5825532 100644 --- a/libavcodec/takdec.c +++ b/libavcodec/takdec.c @@ -653,7 +653,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length) s->residues[i ] * s->filter[0]; } - v = av_clip_intp2(v >> 10, 13) * (1 << dshift) - *p1; + v = av_clip_intp2(v >> 10, 13) * (1U << dshift) - *p1; *p1++ = v; } _______________________________________________ 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".
