From: daw@taverner.cs.berkeley.edu (David Wagner)
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] BSD Secure Levels: claim block dev in file struct rather than inode struct, 2.6.11-rc2-mm1 (3/8)
Date: Tue, 8 Feb 2005 01:48:40 +0000 (UTC) [thread overview]
Message-ID: <cu95po$3ch$1@abraham.cs.berkeley.edu> (raw)
In-Reply-To: 200502072241.j17MfTfP027969@turing-police.cc.vt.edu
>For those systems that have everything on one big partition, you can often
>do stuff like:
>
>ln /etc/passwd /tmp/<filename_generated_by_mktemp>
>
>and wait for /etc/passwd to get clobbered by a cron job run by root...
How would /etc/passwd get clobbered? Are you thinking that a tmp
cleaner run by cron might delete /tmp/whatever (i.e., delete the hardlink
you created above)? But deleting /tmp/whatever is safe; it doesn't affect
/etc/passwd. I'm guessing I'm probably missing something.
next prev parent reply other threads:[~2005-02-08 1:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-07 19:21 [PATCH] BSD Secure Levels: printk overhaul, 2.6.11-rc2-mm1 (1/8) Michael Halcrow
2005-02-07 19:30 ` [PATCH] BSD Secure Levels: suid/sgid on directories; open/mknod issue, 2.6.11-rc2-mm1 (2/8) Michael Halcrow
2005-02-07 19:31 ` [PATCH] BSD Secure Levels: claim block dev in file struct rather than inode struct, 2.6.11-rc2-mm1 (3/8) Michael Halcrow
2005-02-07 22:26 ` Chris Wright
2005-02-07 22:41 ` Valdis.Kletnieks
2005-02-08 1:48 ` David Wagner [this message]
2005-02-08 2:10 ` Valdis.Kletnieks
2005-02-08 2:20 ` Chris Wright
2005-02-08 3:15 ` Valdis.Kletnieks
2005-02-08 14:33 ` David Wagner
2005-02-07 22:42 ` Valdis.Kletnieks
2005-02-08 17:24 ` Michael Halcrow
2005-02-08 17:47 ` Valdis.Kletnieks
2005-02-08 20:08 ` Serge E. Hallyn
2005-02-08 23:38 ` Chris Wright
2005-02-07 19:32 ` [PATCH] BSD Secure Levels: memory alloc failure check, 2.6.11-rc2-mm1 (4/8) Michael Halcrow
2005-02-07 19:34 ` [PATCH] BSD Secure Levels: allow setuid/setgid on process if root, 2.6.11-rc2-mm1 (5/8) Michael Halcrow
2005-02-07 19:35 ` [PATCH] BSD Secure Levels: nits, 2.6.11-rc2-mm1 (6/8) Michael Halcrow
2005-02-08 23:43 ` Chris Wright
2005-02-07 19:36 ` [PATCH] BSD Secure Levels: comment cleanups, 2.6.11-rc2-mm1 (7/8) Michael Halcrow
2005-02-07 19:37 ` [PATCH] BSD Secure Levels: remove ptrace, 2.6.11-rc2-mm1 (8/8) Michael Halcrow
2005-02-10 21:59 ` [PATCH] BSD Secure Levels: printk overhaul, 2.6.11-rc2-mm1 (1/8) Matt Mackall
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