https://bugzilla.novell.com/show_bug.cgi?id=825150
https://bugzilla.novell.com/show_bug.cgi?id=825150#c4
Jan Engelhardt changed:
What |Removed |Added
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CC|fcrozat@suse.com |
--- Comment #4 from Jan Engelhardt 2013-06-15 19:15:24 CEST ---
mount(8) turns `umount -l ""` into `umount -l "/"`. strace says:
1382 umount("/", MNT_DETACH) = 0
That is bad — mount should pass the empty string directly to the kernel and let
the syscall fail, and handle the failure like any other.
My reasoning is that because / is then detached from the namespace, so
attempting to mount anything in the dying vfsmount will always fail. (Therefore
no systemd issue here.)
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