Commit e1091327b5 for strongswan.org

commit e1091327b5d7f6cc8ca58931c8dd9b48fc53d42e
Author: Markus Theil <markus.theil@secunet.com>
Date:   Fri Apr 10 21:25:19 2026 +0200

    tun-device: Also close IPv6 socket on destruction

    Signed-off-by: Markus Theil <markus.theil@secunet.com>

diff --git a/src/libstrongswan/networking/tun_device.c b/src/libstrongswan/networking/tun_device.c
index b239b2e593..49cb54f4eb 100644
--- a/src/libstrongswan/networking/tun_device.c
+++ b/src/libstrongswan/networking/tun_device.c
@@ -500,6 +500,10 @@ METHOD(tun_device_t, destroy, void,
 	{
 		close(this->sock);
 	}
+	if (this->sock_v6 > 0)
+	{
+		close(this->sock_v6);
+	}
 	DESTROY_IF(this->address);
 	free(this);
 }
@@ -650,6 +654,7 @@ tun_device_t *tun_device_create(const char *name_tmpl)
 		},
 		.tunfd = -1,
 		.sock = -1,
+		.sock_v6 = -1,
 	);

 	if (!init_tun(this, name_tmpl))