Fixes: division by zero Fixes: integer overflow Fixes: 43347/clusterfuzz-testcase-minimized-ffmpeg_dem_V210X_fuzzer-5846911637127168
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/rawvideodec.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavformat/rawvideodec.c b/libavformat/rawvideodec.c index 68547fc50ff..387c4ba80f5 100644 --- a/libavformat/rawvideodec.c +++ b/libavformat/rawvideodec.c @@ -42,6 +42,7 @@ static int rawvideo_read_header(AVFormatContext *ctx) enum AVPixelFormat pix_fmt; AVStream *st; int packet_size; + int ret; st = avformat_new_stream(ctx, NULL); if (!st) @@ -62,6 +63,10 @@ static int rawvideo_read_header(AVFormatContext *ctx) avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num); + ret = av_image_check_size(s->width, s->height, 0, ctx); + if (ret < 0) + return ret; + st->codecpar->width = s->width; st->codecpar->height = s->height; @@ -100,6 +105,8 @@ static int rawvideo_read_header(AVFormatContext *ctx) if (packet_size < 0) return packet_size; } + if (packet_size == 0) + return AVERROR(EINVAL); st->codecpar->format = pix_fmt; ctx->packet_size = packet_size; -- 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".
