linux-kernel - Re: [RFC][PATCH] VFS: create /proc/<pid>/mountinfo

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: <4792DF11.7040403@zytor.com>
Date:	Sat, 19 Jan 2008 21:41:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Miklos Szeredi <miklos@...redi.hu>
CC:	akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, util-linux-ng@...r.kernel.org,
	linuxram@...ibm.com, viro@....linux.org.uk, hch@...radead.org,
	a.p.zijlstra@...llo.nl
Subject: Re: [RFC][PATCH] VFS: create /proc/<pid>/mountinfo

Miklos Szeredi wrote:
> - for mount ID's use IDA (from the IDR library) instead of a 32bit
>   counter, which could overflow

IDAs tend to get reused quickly, which can cause race conditions.  Any 
reason not to just use a 64-bit counter?

	-hpa
--
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/