ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Mon Feb 22 17:51:56 2021 +0100| [f01d522cf36d5f6810887bb70d24036778b6ea07] | committer: Michael Niedermayer
avcodec/dxtory: Fix undefined shift with negative linesize Fixes: left shift of negative value -128 Fixes: 30746/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5906271469436928 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f01d522cf36d5f6810887bb70d24036778b6ea07 --- libavcodec/dxtory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c index 7143a11e2e..f314bcec75 100644 --- a/libavcodec/dxtory.c +++ b/libavcodec/dxtory.c @@ -264,8 +264,8 @@ static int dxtory_decode_v1_420(AVCodecContext *avctx, AVFrame *pic, V[huvborder] = src[3] + 0x80; src += 4; } - Y1 += pic->linesize[0] << 1; - Y2 += pic->linesize[0] << 1; + Y1 += pic->linesize[0] * 2; + Y2 += pic->linesize[0] * 2; U += pic->linesize[1]; V += pic->linesize[2]; } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
