Date: Tue, 12 Nov 2002 22:43:38 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Cameron Grant" <gandalf@vilnya.demon.co.uk> Cc: "Daniel O'Connor" <doconnor@gsoft.com.au>, "Hans Zaunere" <zaunere@yahoo.com>, <freebsd-hackers@FreeBSD.ORG> Subject: Re: Shared files within a jail Message-ID: <200211130643.gAD6hcLg068262@apollo.backplane.com> References: <20021113034726.75787.qmail@web12801.mail.yahoo.com> <1037159767.66058.34.camel@chowder.localdomain> <200211130530.gAD5UxNt067928@apollo.backplane.com> <011e01c28ade$95d1c280$4004020a@haveblue>
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:> is certainly a lot safer if the stuff behind the mount is mostly
:> static.
:
:null mounts, in -stable at least, are broken for this purpose. on
:connection, sshd revoke()s some device- its pty, i assume, and when this
:hits the nullfs layer a null pointer is dereferenced. if i had vfs-clue i'd
:have fixed it when i found the panic about two weeks ago. when i overcame
:this by putting the jails /dev on an nfs loopback, i managed to produce two
:more different panics.
:
: -cg
Well, that sounds like an addressable bug. But I don't see any
paricular reason why it would be a show-stopper. /dev doesn't
take up any significant amount of space, just copy it for each jail.
-Matt
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