linux-kernel - Re: [GIT PULL] namespace related fixes for 4.10-rc3

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Message-ID: <20170107062952.GH1555@ZenIV.linux.org.uk>
Date:   Sat, 7 Jan 2017 06:29:52 +0000
From:   Al Viro <viro@...IV.linux.org.uk>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Containers <containers@...ts.linux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] namespace related fixes for 4.10-rc3

On Sat, Jan 07, 2017 at 06:30:05PM +1300, Eric W. Biederman wrote:

> Eric W. Biederman (3):
>       mnt: Protect the mountpoint hashtable with mount_lock
ACK

>       mnt: Tuck mounts under others instead of creating shadow/side mounts.

NAK; you have reintroduced put_mountpoint() outside of mount lock in there
and you've got seriously confused umount side of the things.

>       libfs: Modify mount_pseudo_xattr to be clear it is not a userspace mount
ACK

> Zhou Chengming (1):
>       sysctl: Drop reference added by grab_header in proc_sys_readdir

ACK

The rest of the queue is fine.