Mount using --make-rslave to ensure safe unmounts for rbind mounts

7 years ago · 45201111a6
parent 6d5ab03a14
commit 45201111a6
1 changed files with 1 additions and 1 deletions
--- a/live-build/functions
+++ b/live-build/functions
@ -79,7 +79,7 @@ mount_image() {
 setup_mountpoint() {
    local mountpoint="$1"
-    mount --rbind /dev "$mountpoint/dev"
+    mount --rbind --make-rslave /dev "$mountpoint/dev"
    mount proc-live -t proc "$mountpoint/proc"
    mount sysfs-live -t sysfs "$mountpoint/sys"
    mount -t tmpfs none "$mountpoint/tmp"