linux-kernel - Re: [dm-devel] [PATCH 2/6] drivers/md: remove null pointer dereference

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:	Wed, 2 Jul 2008 20:03:06 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Julia Lawall <julia@...u.dk>
Cc:	device-mapper development <dm-devel@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [dm-devel] [PATCH 2/6] drivers/md: remove null pointer dereference

On Wed, Jul 02, 2008 at 01:51:41PM +0200, Julia Lawall wrote:
> In looking at it a little bit, it seems that ps.type is initialized in the
> function stored in the ctr field of the target_type structure and this
> function is called in the function stored in the message field of the same
> structure.  The function in the message structure seems to be only called
> from the function target_message in dm-ioctl.c, but I don't see the
> relation to an invocation of the ctr field.  Is that guaranteed to be
> invoked earlier?
 
ctr is short for constructor (perhaps we should rename these functions one day)
and it has to run first to set up the data structures which a subsequent
target_message may reference.

Alasdair
-- 
agk@...hat.com
--
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/