From 154765ae8ca53d94825134f3d454001ee06d4cea Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Mon, 20 Apr 2020 11:51:55 +0200
Subject: config: Check null deref

As reported by LGTM

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
---
 src/config.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/config.c b/src/config.c
index 161985ef..79a64339 100644
--- a/src/config.c
+++ b/src/config.c
@@ -400,6 +400,9 @@ ssh_match_exec(ssh_session session, const char *command, bool negate)
 
     /* TODO There should be more supported expansions */
     cmd = ssh_path_expand_escape(session, command);
+    if (cmd == NULL) {
+        return 0;
+    }
     rv = ssh_exec_shell(cmd);
     if (rv > 0 && negate == true) {
         result = 1;
-- 
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