From e5f92f3fbadb29e54ac3ab82cd24d78e95bc286d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 1 Jun 2019 16:44:46 +0200 Subject: [PATCH] avcodec/v4l2_m2m_dec: Fix memleak on ff_v4l2_m2m_codec_init() failure Fixes: 13579/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG1_V4L2M2M_fuzzer-5753560726241280 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/v4l2_m2m_dec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/v4l2_m2m_dec.c b/libavcodec/v4l2_m2m_dec.c index 710e40efd8..d0601f0e2f 100644 --- a/libavcodec/v4l2_m2m_dec.c +++ b/libavcodec/v4l2_m2m_dec.c @@ -188,7 +188,11 @@ static av_cold int v4l2_decode_init(AVCodecContext *avctx) ret = ff_v4l2_m2m_codec_init(avctx); if (ret) { + V4L2m2mPriv *priv = avctx->priv_data; av_log(avctx, AV_LOG_ERROR, "can't configure decoder\n"); + s->self_ref = NULL; + av_buffer_unref(&priv->context_ref); + return ret; }