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(-) 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".
