Fixes: Timeout Fixes: 11547/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RPZA_fuzzer-5678435842654208
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/rpza.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/rpza.c b/libavcodec/rpza.c index cffbfe4416..8e1efa2445 100644 --- a/libavcodec/rpza.c +++ b/libavcodec/rpza.c @@ -105,6 +105,9 @@ static int rpza_decode_stream(RpzaContext *s) /* Number of 4x4 blocks in frame. */ total_blocks = ((s->avctx->width + 3) / 4) * ((s->avctx->height + 3) / 4); + if (total_blocks / 32 > bytestream2_get_bytes_left(&s->gb)) + return AVERROR_INVALIDDATA; + if ((ret = ff_reget_buffer(s->avctx, s->frame)) < 0) return ret; pixels = (uint16_t *)s->frame->data[0]; -- 2.19.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
