Fixes: signed integer overflow: 65313 * 65313 cannot be represented in type 'int' Fixes: 15740/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVBSUB_fuzzer-5641749164195840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dvbsubdec.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c index bc4a17bde0..6e7e13b6eb 100644 --- a/libavcodec/dvbsubdec.c +++ b/libavcodec/dvbsubdec.c @@ -1578,8 +1578,9 @@ static int dvbsub_parse_display_definition_segment(AVCodecContext *avctx, display_def->width = bytestream_get_be16(&buf) + 1; display_def->height = bytestream_get_be16(&buf) + 1; if (!avctx->width || !avctx->height) { - avctx->width = display_def->width; - avctx->height = display_def->height; + int ret = ff_set_dimensions(avctx, display_def->width, display_def->height); + if (ret < 0) + return ret; } if (info_byte & 1<<3) { // display_window_flag -- 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".
