linux-kernel - Re: [Bluez-devel] Oops involving RFCOMM and sysfs

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: <20080107092256.GX27894@ZenIV.linux.org.uk>
Date:	Mon, 7 Jan 2008 09:22:56 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Tejun Heo <htejun@...il.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Gabor Gombas <gombasg@...aki.hu>,
	Dave Young <hidave.darkstar@...il.com>,
	linux-kernel@...r.kernel.org, bluez-devel@...ts.sourceforge.net,
	Greg KH <greg@...ah.com>
Subject: Re: [Bluez-devel] Oops involving RFCOMM and sysfs

On Mon, Jan 07, 2008 at 06:18:21PM +0900, Tejun Heo wrote:
> Tejun Heo wrote:
> > Eric W. Biederman wrote:
> >>> That said, the mechanism is a bit too fragile.  sysfs currently ensures
> >>> that dentry/inode point to the associated sysfs_dirent.  This is mainly
> >>> remanent of conversion from previous VFS based implementation.  I think
> >>> the right thing to do here is to make sysfs behave like other proper
> >>> distributed filesystems using d_revalidate.
> >> Huh?  We still need something like sysfs_get_dentry to find the dentries
> >> for the rename or move operation.  So we can call d_move.  
> > 
> > Ah... right.  Thanks.  :-)
> 
> On the second thought, can't those too be dealt with d_revalidate?

FVO "dealt with" as pleasant and efficient as using coarse whetstone
to deal with caries.
--
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/