From 25f5d67a316b6868b4358e0b908bc19f00b9d357 Mon Sep 17 00:00:00 2001
From: Steven Liu <lq@chinaffmpeg.org>
Date: Thu, 10 Oct 2019 10:34:38 +0800
Subject: [PATCH] avformat/cinedec: check av_strdup() return value

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
---
 libavformat/cinedec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/cinedec.c b/libavformat/cinedec.c
index d27ebbba7b..0f2453cdf5 100644
--- a/libavformat/cinedec.c
+++ b/libavformat/cinedec.c
@@ -168,6 +168,10 @@ static int cine_read_header(AVFormatContext *avctx)
     avio_skip(pb, 616); // Binning .. bFlipH
     if (!avio_rl32(pb) ^ vflip) {
         st->codecpar->extradata  = av_strdup("BottomUp");
+        if (!st->codecpar->extradata) {
+            st->codecpar->extradata_size = 0;
+            return AVERROR(ENOMEM);
+        }
         st->codecpar->extradata_size  = 9;
     }