linux-kernel - Re: [PATCH] fs: Work around NFS wreckage

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: <6610.1294968644@jrobl>
Date:	Fri, 14 Jan 2011 10:30:44 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Nick Piggin <npiggin@...nel.dk>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org,
	"Ramirez Luna, Omar" <omar.ramirez@...com>
Subject: Re: [PATCH] fs: Work around NFS wreckage


Uwe Kleine-Knig:
> > With this patch, can you unmount it cleanly?
> > It skips incrementing d_count for both dentries.
> > Do we need at least one?
> If you tell me how to test that, I volunteer to try.
> Something involving pivot_root?

For example,
# mount host:/dir /nfs
# chroot /nfs
# umount /nfs

It is ok if /nfs is empty.


J. R. Okajima
--
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/