linux-kernel - Re: [PATCH] dcache: error out if the name buffer is too short

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: <20140126155141.GA12249@redhat.com>
Date:	Sun, 26 Jan 2014 16:51:41 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Denys Vlasenko <dvlasenk@...hat.com>
Cc:	Al Viro <viro@...iv.linux.org.uk>,
	Jan Kratochvil <jan.kratochvil@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dcache: error out if the name buffer is too short

On 01/26, Oleg Nesterov wrote:
>
> Heh. Not sure what I was thinking about, but this looks obviously wrong
> when I re-read my email. This will add the extra "/" at the end, unless
> IS_ROOT().

And this motivated me to try to actually read __dentry_path().

Al, Denys, unless I am totally confused the "restart" logic is very broken.
We can't simply restart because the main loop changes dentry?

Oleg.

--
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/