From 20eea9b9caec6f60a3cc331eb5c7e9421dae7245 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 9 Aug 2022 20:09:31 +0200
Subject: [PATCH] gluon-mesh-vpn-fastd: fix respondd segfault under load
(#2594)
When running "fastd -v" fails, line may be NULL, causing a segfault in
strncmp.
---
package/gluon-mesh-vpn-fastd/src/respondd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/package/gluon-mesh-vpn-fastd/src/respondd.c b/package/gluon-mesh-vpn-fastd/src/respondd.c
index 4d4b5a37b..4a321d304 100644
--- a/package/gluon-mesh-vpn-fastd/src/respondd.c
+++ b/package/gluon-mesh-vpn-fastd/src/respondd.c
@@ -65,7 +65,7 @@ static struct json_object * get_fastd_version(void) {
}
const char *version = line;
- if (strncmp(version, "fastd ", 6) == 0)
+ if (version && strncmp(version, "fastd ", 6) == 0)
version += 6;
struct json_object *ret = gluonutil_wrap_string(version);
--
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