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] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 07 Nov 2014 22:05:40 +0000
From:	David Howells <dhowells@...hat.com>
To:	Paul Moore <paul@...l-moore.com>
Cc:	dhowells@...hat.com, linux-unionfs@...r.kernel.org,
	selinux@...ho.nsa.gov, linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/7] Overlayfs: Use copy-up security hooks

Paul Moore <paul@...l-moore.com> wrote:

> So the LSM must modify the xattr in place?  I suppose that since the @value
> is allocated to the max size it shouldn't be a problem.  Just checking ...

... And the caller must provide a maximally sized buffer (which it likely has
to allocate anyway).

I'm not sure I really need to provide the modification thing.  I suspect a
binary keep or discard decision is sufficient.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists