diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index b537ec06a5..d5b88923fd 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1304,6 +1304,7 @@ static int decode_frame(AVCodecContext *avctx, planes = s->planar ? s->bppcount : 1; for (plane = 0; plane < planes; plane++) { int remaining = avpkt->size; + int decoded_height; stride = p->linesize[plane]; dst = p->data[plane]; for (i = 0; i < s->height; i += s->rps) { @@ -1331,6 +1332,8 @@ static int decode_frame(AVCodecContext *avctx, break; } } + decoded_height = FFMIN(i, s->height); + if (s->predictor == 2) { if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) { av_log(s->avctx, AV_LOG_ERROR, "predictor == 2 with YUV is unsupported"); @@ -1347,7 +1350,7 @@ static int decode_frame(AVCodecContext *avctx, s->avctx->pix_fmt == AV_PIX_FMT_YA16LE || s->avctx->pix_fmt == AV_PIX_FMT_GBRP16LE || s->avctx->pix_fmt == AV_PIX_FMT_GBRAP16LE) { - for (i = 0; i < s->height; i++) { + for (i = 0; i < decoded_height; i++) { for (j = soff; j < ssize; j += 2) AV_WL16(dst + j, AV_RL16(dst + j) + AV_RL16(dst + j - soff)); dst += stride; @@ -1358,13 +1361,13 @@ static int decode_frame(AVCodecContext *avctx, s->avctx->pix_fmt == AV_PIX_FMT_YA16BE || s->avctx->pix_fmt == AV_PIX_FMT_GBRP16BE || s->avctx->pix_fmt == AV_PIX_FMT_GBRAP16BE) { - for (i = 0; i < s->height; i++) { + for (i = 0; i < decoded_height; i++) { for (j = soff; j < ssize; j += 2) AV_WB16(dst + j, AV_RB16(dst + j) + AV_RB16(dst + j - soff)); dst += stride; } } else { - for (i = 0; i < s->height; i++) { + for (i = 0; i < decoded_height; i++) { for (j = soff; j < ssize; j++) dst[j] += dst[j - soff]; dst += stride;