Fixes: division by zero Fixes: 42814/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-4787014237552640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mvdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c index 1a5012e5076..390f6ba4de8 100644 --- a/libavformat/mvdec.c +++ b/libavformat/mvdec.c @@ -366,6 +366,9 @@ static int mv_read_header(AVFormatContext *avctx) avpriv_request_sample(avctx, "Audio compression (format %i)", v); } + if (bytes_per_sample <= 0) + return AVERROR_INVALIDDATA; + if (set_channels(avctx, ast, avio_rb32(pb)) < 0) return AVERROR_INVALIDDATA; -- 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".
