From 995283bd7a6988b4d9df8f4cb8ef1b8bf8a38bea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Wed, 26 Jun 2024 18:55:54 +0200
Subject: [PATCH] filters/f_lavfi: fix null dereference on empty graph

---
 filters/f_lavfi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/filters/f_lavfi.c b/filters/f_lavfi.c
index 038aae8e45..79b37156b7 100644
--- a/filters/f_lavfi.c
+++ b/filters/f_lavfi.c
@@ -904,6 +904,9 @@ struct mp_lavfi *mp_lavfi_create_graph(struct mp_filter *parent,
                                        char *hwdec_interop,
                                        char **graph_opts, const char *graph)
 {
+    if (!graph)
+        return NULL;
+
     struct lavfi *c = lavfi_alloc(parent);
     if (!c)
         return NULL;