Fixes: Timeout (longer than i had patience for -> 2sec) Fixes: 13205/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PROSUMER_fuzzer-5105644481282048
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/prosumer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/prosumer.c b/libavcodec/prosumer.c index ce3cbdbb73..f064f7bad7 100644 --- a/libavcodec/prosumer.c +++ b/libavcodec/prosumer.c @@ -159,6 +159,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, ret = decompress(&s->gb, AV_RL32(avpkt->data + 28) >> 1, &s->pb, s->lut); if (ret < 0) return ret; + if (bytestream2_get_bytes_left_p(&s->pb) > s->size * (int64_t)avctx->discard_damaged_percentage / 100) + return AVERROR_INVALIDDATA; vertical_predict((uint32_t *)s->decbuffer, 0, (uint32_t *)s->initial_line, s->stride, 1); vertical_predict((uint32_t *)s->decbuffer, s->stride, (uint32_t *)s->decbuffer, s->stride, avctx->height - 1); -- 2.21.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
