From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 10 Jan 2000 13:52:01 +0100 (CET) From: Rik van Riel Subject: Re: [PATCH] replace SYSV shared memory with shm filesystem In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Rohland Cc: MM mailing list , Linux Kernel Mailing List , "Eric W. Biederman" , Alexander Viro , Alan Cox , GOTO Masanori List-ID: On 10 Jan 2000, Christoph Rohland wrote: > You can mount the fs only once. This will probably break shm in > chrooted environments. I think it would be best to code it in such a way that you can mount multiple instances of shmfs, in such a way that the differently chrooted programs cannot see each other's shared memory. That should make it a bit more difficult to get out of a chroot() jail... (security buffs, please tell me if I'm full of it) cheers, Rik -- The Internet is not a network of computers. It is a network of people. That is its real strength. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.nl.linux.org/Linux-MM/