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-rw-r--r--src/nspawn/nspawn-mount.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c
index ee00362b54..ea54b23e08 100644
--- a/src/nspawn/nspawn-mount.c
+++ b/src/nspawn/nspawn-mount.c
@@ -598,6 +598,8 @@ int mount_all(const char *dest,
MOUNT_FATAL }, /* If /etc/os-release doesn't exist use the version in /usr/lib as fallback */
{ NULL, "/run/host/os-release", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT,
MOUNT_FATAL },
+ { NULL, "/run/host/os-release", NULL, NULL, MS_PRIVATE,
+ MOUNT_FATAL }, /* Turn off propagation (we only want that for the mount propagation tunnel dir) */
{ NULL, "/run/host", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT,
MOUNT_FATAL|MOUNT_IN_USERNS },
#if HAVE_SELINUX
@@ -605,6 +607,8 @@ int mount_all(const char *dest,
MOUNT_MKDIR }, /* Bind mount first (mkdir/chown the mount point in case /sys/ is mounted as minimal skeleton tmpfs) */
{ NULL, "/sys/fs/selinux", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT,
0 }, /* Then, make it r/o (don't mkdir/chown the mount point here, the previous entry already did that) */
+ { NULL, "/sys/fs/selinux", NULL, NULL, MS_PRIVATE,
+ 0 }, /* Turn off propagation (we only want that for the mount propagation tunnel dir) */
#endif
};