Fixes: signed integer overflow: 2082471995 * 36 cannot be represented in type 'int' Fixes: 16025/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DDS_fuzzer-5136663778426880
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dds.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/dds.c b/libavcodec/dds.c index f026f9cd5a..9154f692fa 100644 --- a/libavcodec/dds.c +++ b/libavcodec/dds.c @@ -613,6 +613,7 @@ static int dds_decode(AVCodecContext *avctx, void *data, AVFrame *frame = data; int mipmap; int ret; + int width, height; ff_texturedsp_init(&ctx->texdsp); bytestream2_init(gbc, avpkt->data, avpkt->size); @@ -631,9 +632,9 @@ static int dds_decode(AVCodecContext *avctx, void *data, bytestream2_skip(gbc, 4); // flags - avctx->height = bytestream2_get_le32(gbc); - avctx->width = bytestream2_get_le32(gbc); - ret = av_image_check_size(avctx->width, avctx->height, 0, avctx); + height = bytestream2_get_le32(gbc); + width = bytestream2_get_le32(gbc); + ret = ff_set_dimensions(avctx, width, height); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Invalid image size %dx%d.\n", avctx->width, avctx->height); -- 2.22.0 _______________________________________________ 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".
