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Re: Chroot bug
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From:
Miloslav Semler <majkls@...>
To: Al Viro <viro@...>
Cc: Jan Engelhardt <jengelh@...>, <serge@...>, <davidsen@...>, <philipp@...>, <7eggert@...>, <alan@...>, <linux-kernel@...>
Subject:
Re: Chroot bug
Date: Tuesday, September 25, 2007 - 1:19 pm
> On Tue, Sep 25, 2007 at 07:05:06PM +0200, Jan Engelhardt wrote:
quoted text
> > >> Perhaps that was formulated a bit sloppy. It of course means >> "On chroot(2), implicitly close all FDs that point outside." >> > > Bollocks. Pack 'em into SCM_RIGHTS datagram, send to yourself, > do chroot, recvmsg() and move on, cheerfully spitting at the > YAidiotic "hardening". >
so if you check sanity in fchdir (if directory_is_out), your method will not succeed :) -
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Messages in current thread:
Re: sys_chroot+sys_fchdir Fix
, Bodo Eggert
, (Thu Sep 20, 7:13 am)
Re: sys_chroot+sys_fchdir Fix
, Philipp Marek
, (Thu Sep 20, 7:59 am)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Thu Sep 20, 12:06 pm)
Re: sys_chroot+sys_fchdir Fix
, Philipp Marek
, (Thu Sep 20, 12:17 pm)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Thu Sep 20, 2:02 pm)
Re: sys_chroot+sys_fchdir Fix
, Bill Davidsen
, (Thu Sep 20, 4:53 pm)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Fri Sep 21, 4:29 am)
Re: sys_chroot+sys_fchdir Fix
, Serge E. Hallyn
, (Mon Sep 24, 5:32 pm)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Mon Sep 24, 6:04 pm)
Re: sys_chroot+sys_fchdir Fix
, Serge E. Hallyn
, (Mon Sep 24, 7:02 pm)
Re: sys_chroot+sys_fchdir Fix
, Serge E. Hallyn
, (Mon Sep 24, 7:00 pm)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Tue Sep 25, 3:45 am)
Re: sys_chroot+sys_fchdir Fix
, Serge E. Hallyn
, (Tue Sep 25, 7:49 am)
Re: sys_chroot+sys_fchdir Fix
, David Newall
, (Tue Sep 25, 9:58 am)
Chroot bug (was: sys_chroot+sys_fchdir Fix)
, David Newall
, (Tue Sep 25, 11:10 am)
Re: Chroot bug (was: sys_chroot+sys_fchdir Fix)
, Bodo Eggert
, (Wed Sep 26, 3:23 pm)
Re: Chroot bug (was: sys_chroot+sys_fchdir Fix)
, Adrian Bunk
, (Tue Sep 25, 11:32 am)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 11:43 am)
Re: Chroot bug
, Adrian Bunk
, (Tue Sep 25, 12:02 pm)
Re: Chroot bug (was: sys_chroot+sys_fchdir Fix)
, Alan Cox
, (Tue Sep 25, 11:30 am)
Re: Chroot bug
, David Newall
, (Tue Sep 25, 11:35 am)
Re: Chroot bug
, Arjan van de Ven
, (Tue Sep 25, 12:33 pm)
Re: Chroot bug
, Alan Cox
, (Tue Sep 25, 11:48 am)
Re: Chroot bug
, David Newall
, (Tue Sep 25, 7:50 pm)
Re: Chroot bug
, Adrian Bunk
, (Tue Sep 25, 8:55 pm)
Re: Chroot bug
, Kyle Moffett
, (Wed Sep 26, 1:21 am)
Re: Chroot bug
, David Newall
, (Wed Sep 26, 6:27 am)
Re: Chroot bug
, Kyle Moffett
, (Wed Sep 26, 8:54 am)
Re: Chroot bug
, Miloslav Semler
, (Wed Sep 26, 9:11 am)
Re: Chroot bug
, Kyle Moffett
, (Wed Sep 26, 10:02 am)
Re: Chroot bug
, Miloslav Semler
, (Wed Sep 26, 11:01 am)
Re: Chroot bug
, Jiri Kosina
, (Thu Sep 27, 9:49 am)
Re: Chroot bug
, Al Viro
, (Wed Sep 26, 9:42 am)
Re: Chroot bug
, Miloslav Semler
, (Wed Sep 26, 10:51 am)
Re: Chroot bug
, Olivier Galibert
, (Wed Sep 26, 6:45 am)
Re: Chroot bug
, David Newall
, (Wed Sep 26, 7:13 am)
Re: Chroot bug
, Olivier Galibert
, (Wed Sep 26, 11:02 am)
Re: Chroot bug
, linux-os (Dick Johnson)
, (Wed Sep 26, 9:18 am)
Re: Chroot bug
, Willy Tarreau
, (Wed Sep 26, 1:25 am)
Re: Chroot bug
, Alan Cox
, (Tue Sep 25, 8:18 pm)
Re: Chroot bug
, David Newall
, (Wed Sep 26, 6:24 am)
Re: Chroot bug
, Alan Cox
, (Wed Sep 26, 6:47 am)
Re: Chroot bug
, David Newall
, (Wed Sep 26, 7:06 am)
Re: Chroot bug
, Bongani Hlope
, (Wed Sep 26, 9:13 am)
Re: Chroot bug
, Alan Cox
, (Wed Sep 26, 7:20 am)
Re: Chroot bug
, Jan Engelhardt
, (Tue Sep 25, 11:47 am)
Re: Chroot bug (was: sys_chroot+sys_fchdir Fix)
, Jan Engelhardt
, (Tue Sep 25, 11:20 am)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 11:39 am)
Re: Chroot bug
, David Newall
, (Tue Sep 25, 11:41 am)
Re: Chroot bug
, Jan Engelhardt
, (Tue Sep 25, 11:48 am)
Re: Chroot bug
, David Newall
, (Tue Sep 25, 4:51 pm)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 12:19 pm)
Re: Chroot bug
, Serge E. Hallyn
, (Tue Sep 25, 12:53 pm)
Re: Chroot bug
, Jan Engelhardt
, (Tue Sep 25, 12:52 pm)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 1:00 pm)
Re: Chroot bug
, Jan Engelhardt
, (Tue Sep 25, 1:05 pm)
Re: Chroot bug
, Al Viro
, (Tue Sep 25, 1:09 pm)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 1:19 pm)
Re: Chroot bug
, Miloslav Semler
, (Tue Sep 25, 1:09 pm)
Re: sys_chroot+sys_fchdir Fix
, majkls
, (Thu Sep 20, 8:52 am)
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