From f07393efdc359208a48077c16b1baf5000fad640 Mon Sep 17 00:00:00 2001
From: Dan Rue <dan.rue@linaro.org>
Date: Mon, 13 Nov 2017 09:55:43 -0600
Subject: LTP: Enable kernel.unprivileged_userns_clone

Test 'userns07' verifies that the kernel imposes a limit of at least 32
nested levels on user namespaces. However, user namespaces are disabled
by default in debian. If user namespaces are disabled, enable them.

Change-Id: I223a8f974905ae8f0373adc71c3bab2ef10c98ff
Signed-off-by: Dan Rue <dan.rue@linaro.org>
---
 automated/linux/ltp/ltp.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/automated/linux/ltp/ltp.sh b/automated/linux/ltp/ltp.sh
index 9cc4818..cb4a1ac 100755
--- a/automated/linux/ltp/ltp.sh
+++ b/automated/linux/ltp/ltp.sh
@@ -108,6 +108,11 @@ prep_system() {
         info_msg "Stopping systemd-timesyncd"
         systemctl stop systemd-timesyncd
     fi
+    # userns07 requires kernel.unprivileged_userns_clone
+    if [ "$(sysctl -n kernel.unprivileged_userns_clone)" -eq 0 ]; then
+        info_msg "Enabling kernel.unprivileged_userns_clone"
+        sysctl -w kernel.unprivileged_userns_clone=1
+    fi
 }
 
 # Test run.
-- 
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