linux-kernel - Re: [PATCH 1/4] ovl: honor flag MS

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-prev] [day] [month] [year] [list]

Date:	Mon, 7 Mar 2016 10:50:13 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:	Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	"linux-unionfs@...r.kernel.org" <linux-unionfs@...r.kernel.org>,
	LSM <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH 1/4] ovl: honor flag MS_SILENT at mount

On Mon, Jun 29, 2015 at 7:18 PM, Konstantin Khlebnikov
<khlebnikov@...dex-team.ru> wrote:
> This patch hides error about missing lowerdir if MS_SILENT is set.
>
> We use mount(NULL, "/", "overlay", MS_SILENT, NULL) for testing support of
> overlayfs: syscall returns -ENODEV if it's not supported. Otherwise kernel
> automatically loads module and returns -EINVAL because lowerdir is missing.

Queued.

Thanks,
Miklos