From 55d53cb59380bebea79ae8f99d4e119b2b006629 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 30 Mar 2017 22:45:40 +0200
Subject: [PATCH] avfilter/avfiltergraph: Check for allocation failure in
 avfilter_graph_queue_command()

Fixes: CID1396538

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/avfiltergraph.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 75bd516896..f7fbf119eb 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -1324,6 +1324,9 @@ int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const
                 queue = &(*queue)->next;
             next = *queue;
             *queue = av_mallocz(sizeof(AVFilterCommand));
+            if (!*queue)
+                return AVERROR(ENOMEM);
+
             (*queue)->command = av_strdup(command);
             (*queue)->arg     = av_strdup(arg);
             (*queue)->time    = ts;