linux-kernel - Re: Linux 2.6.26-rc4

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]

Message-ID: <20080603175053.GF28946@ZenIV.linux.org.uk>
Date:	Tue, 3 Jun 2008 18:50:53 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Ian Kent <raven@...maw.net>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Miklos Szeredi <miklos@...redi.hu>, jesper@...gh.cc,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: Linux 2.6.26-rc4

On Wed, Jun 04, 2008 at 01:41:32AM +0800, Ian Kent wrote:

> OK, I'll need to look at vfs_readdir().
> I thought vfs_readdir() would take the containing directory mutex as
> does ->lookup().

vfs_readdir() takes i_mutex on directory it reads.  I.e. on the victim
in this case.  lookup has i_mutex on directory it does lookup in, i.e.
root in this case...
--
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/