Bug#440709: patch: mount securityfs when it is available (Closes: #440709)

[Dmitry Bogatov]

control: tags 440709 +patch +pending

Here I refreshed patch:

From efedf38621a2a63fd193f1fa740c3a97ae8bee26 Mon Sep 17 00:00:00 2001
From: Dmitry Bogatov <kact...@debian.org>
Date: Mon, 13 May 2019 15:18:41 +0000
Subject: [PATCH] Mount securityfs when it is available (Closes: #440709)

Thanks: Ritesh Raj Sarraf <r...@debian.org>
---
 debian/src/initscripts/etc/init.d/mountkernfs.sh | 4 ++++
 debian/src/initscripts/etc/init.d/umountfs       | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/debian/src/initscripts/etc/init.d/mountkernfs.sh 
b/debian/src/initscripts/etc/init.d/mountkernfs.sh
index e95cac3a..8f2b20a8 100755
--- a/debian/src/initscripts/etc/init.d/mountkernfs.sh
+++ b/debian/src/initscripts/etc/init.d/mountkernfs.sh
@@ -34,6 +34,10 @@ mount_filesystems () {
        #
        domount "$MNTMODE" proc "" /proc proc "-onodev,noexec,nosuid"
 
+       if grep -E -qs "securityfs\$" /proc/filesystems ; then
+               domount securityfs "" /sys/kernel/security securityfs
+       fi
+
        #
        # Mount sysfs on /sys
        #
diff --git a/debian/src/initscripts/etc/init.d/umountfs 
b/debian/src/initscripts/etc/init.d/umountfs
index 633a3f6d..126e7aab 100755
--- a/debian/src/initscripts/etc/init.d/umountfs
+++ b/debian/src/initscripts/etc/init.d/umountfs
@@ -30,7 +30,7 @@ do_stop () {
                        ;;
                esac
                case "$FSTYPE" in
-                 proc|procfs|linprocfs|sysfs|usbfs|usbdevfs|devpts)
+                 proc|procfs|linprocfs|sysfs|securityfs|usbfs|usbdevfs|devpts)
                        continue
                        ;;
                  tmpfs)
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