linux-kernel - mount --move and shared namespaces

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <5731132A.7040801@ubuntu.com>
Date:	Mon, 9 May 2016 18:46:02 -0400
From:	Phillip Susi <psusi@...ntu.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: mount --move and shared namespaces

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

It seems that mount --move does not work on a shared namespace ( now
the default under systemd ), yet you can mount --bind and then umount
the original, which seems to amount to exactly the same thing.  Why is
the direct move not allowed?
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2

iQEcBAEBCgAGBQJXMRMqAAoJEBB5UWFcu6UWUqEH/1WHjvhn8aDKTkUHt+T8NR+z
STybvyZgI/y8Du+O6ikeZ9AEX5aGhaSoz1xTdNbv3QX7NphRDYjO9CJDGhRpXzzt
bVpG0+1DORR5w4/7LlhdqKgjt3UFgo5AFQj+S4NAO3G1vlSaXL33YYP+4YP3Vin7
0XKNCCGbEeEbasGTFNTc0mXPrS5GZBDEStJKfCxb6+SIaMDCoovHRNTY1J1RNudM
5fniCpxBewmY7EnMNJ2UOYvuT3gknNBZuzpvMQ6QhLLVi2R0oyrqxuckFgemv6Dw
TMDXfH1e3nw2WtcywOKt8zsi6RAfLpikJ3+ZDJkmD9ObiCS1RM/RfkjgHYCXB3Y=
=jb7W
-----END PGP SIGNATURE-----