From f515c978f63f818d22d94eac9b6ba47f762e6ad9 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 2 Oct 2018 03:04:52 +0200
Subject: [PATCH] avcodec/rasc: unref both frames on reinit
Fixes: integer overflow
Fixes: inconsistent frame dimensions
Fixes: 10454/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5656301162463232
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/rasc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/rasc.c b/libavcodec/rasc.c
index eb021681c66..e8e0740ddd5 100644
--- a/libavcodec/rasc.c
+++ b/libavcodec/rasc.c
@@ -95,10 +95,10 @@ static int init_frames(AVCodecContext *avctx)
int ret;
av_frame_unref(s->frame1);
+ av_frame_unref(s->frame2);
if ((ret = ff_get_buffer(avctx, s->frame1, 0)) < 0)
return ret;
- av_frame_unref(s->frame2);
if ((ret = ff_get_buffer(avctx, s->frame2, 0)) < 0)
return ret;
--
GitLab