From: Guus Sliepen <guus@meshlink.io>
Date: Thu, 28 Jan 2021 21:23:38 +0000 (+0100)
Subject: Fix a NULL pointer dereference when unable to bind to NETLINK_ROUTE socket.
X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=40249265ab1114a37b87b2949c8fa1f76e7c0cb8;p=meshlink

Fix a NULL pointer dereference when unable to bind to NETLINK_ROUTE socket.
---

diff --git a/src/net.c b/src/net.c
index 8bec6b67..1df3d8c0 100644
--- a/src/net.c
+++ b/src/net.c
@@ -713,9 +713,11 @@ void retry(meshlink_handle_t *mesh) {
 	}
 
 	/* Kick the ping timeout handler */
-	timeout_set(&mesh->loop, &mesh->pingtimer, &(struct timespec) {
-		0, 0
-	});
+	if(mesh->pingtimer.cb) {
+		timeout_set(&mesh->loop, &mesh->pingtimer, &(struct timespec) {
+			0, 0
+		});
+	}
 }
 
 /*