From 04988ab4ba6bcf723131d58ac60f3d9621dfe047 Mon Sep 17 00:00:00 2001
From: Michael Vetter <jubalh@iodoru.org>
Date: Fri, 12 Jul 2019 10:36:17 +0200
Subject: [PATCH] Fix segfault in /cmd exec

Test for correct number of arguments before using argument.
---
 src/command/cmd_funcs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/command/cmd_funcs.c b/src/command/cmd_funcs.c
index e9e266c1..a6c0011f 100644
--- a/src/command/cmd_funcs.c
+++ b/src/command/cmd_funcs.c
@@ -7818,6 +7818,11 @@ cmd_command_exec(ProfWin *window, const char *const command, gchar **args)
         return TRUE;
     }
 
+    if (args[1] == NULL) {
+        cons_bad_cmd_usage(command);
+        return TRUE;
+    }
+
     char *jid = args[2];
     if (jid == NULL) {
         switch (window->type) {