On Sat, Sep 26, 2020 at 12:26:34AM +0200, Michael Niedermayer wrote: > Fixes: left shift of negative value -256 > Fixes: > 25460/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5073252341514240 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/dxtory.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-)
lgtm > > diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c > index 157e4b3ed2..a82532c467 100644 > --- a/libavcodec/dxtory.c > +++ b/libavcodec/dxtory.c > @@ -177,10 +177,10 @@ static int dxtory_decode_v1_410(AVCodecContext *avctx, > AVFrame *pic, > V[huvborder] = src[1] + 0x80; > src += 2; > } > - Y1 += pic->linesize[0] << 2; > - Y2 += pic->linesize[0] << 2; > - Y3 += pic->linesize[0] << 2; > - Y4 += pic->linesize[0] << 2; > + Y1 += pic->linesize[0] * 4; > + Y2 += pic->linesize[0] * 4; > + Y3 += pic->linesize[0] * 4; > + Y4 += pic->linesize[0] * 4; > U += pic->linesize[1]; > V += pic->linesize[2]; > } > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
