network: fix potential use-after-free

Signed-off-by: Felix Fietkau <[email protected]>

Author: nbd168

auth-data.c

@@ -31,7 +31,7 @@ int unet_auth_data_validate(const uint8_t *key, const void *buf, size_t len,
 	if (!edsign_verify(&vst, hdr->signature, data->pubkey))
 		return -3;
 
-	if (*(char *)(data + len - 1) != 0)
+	if (((char *)data)[len - 1] != 0)
 		return -2;
 
 	if (timestamp)

network.c

@@ -436,6 +436,7 @@ static int network_setup(struct network *net)
 
 static void network_teardown(struct network *net)
 {
+	uloop_timeout_cancel(&net->connect_timer);
 	uloop_timeout_cancel(&net->reload_timer);
 	network_do_update(net, false);
 	network_pex_close(net);