From cc88159f8df5c5fc2e84a3edbe719df62708e261 Mon Sep 17 00:00:00 2001
From: Andrei Vagin <avagin@virtuozzo.com>
Date: Sat, 12 May 2018 07:05:59 +0300
Subject: [PATCH] zdtm: mount tmpfs into /run in a test root

iptables creates /run/xtables.lock file and
we want to have it per-test.

(00.332159)      1: 	Running iptables-restore -w for iptables-restore -w
Fatal: can't open lock file /run/xtables.lock: Permission denied

Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
---
 test/zdtm/lib/ns.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/zdtm/lib/ns.c b/test/zdtm/lib/ns.c
index 6befc9e0c..95c3e44b0 100644
--- a/test/zdtm/lib/ns.c
+++ b/test/zdtm/lib/ns.c
@@ -100,6 +100,11 @@ static int prepare_mntns(void)
 		return -1;
 	}
 
+	if (mount("zdtm_run", "/run", "tmpfs", 0, NULL)) {
+		fprintf(stderr, "Unable to mount /run: %m\n");
+		return -1;
+	}
+
 	if (umount2("./old", MNT_DETACH)) {
 		fprintf(stderr, "umount(./old) failed: %m\n");
 		return -1;