GNU bug report logs - #29475
filesystem does not allow ln to create bad symbolic link

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Message #20 received at 29475 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: bug-coreutils <at> trodman.com, 29475 <at> debbugs.gnu.org
Subject: Re: bug#29475: filesystem (apparently cagefs) does not allow ln to
 create bad symbolic link
Date: Thu, 30 Nov 2017 17:07:17 -0800

On 11/30/2017 04:59 PM, bug-coreutils <at> trodman.com wrote:
>  From my trial and error, this file system does not let you create bad sym links.

Hmm, yes, apparently that filesystem can be configured to disallow 
creation of dangling symlinks or links to files they don't own. See:

https://www.cloudlinux.com/getting-started-with-cloudlinux-os/41-security-features/933-activating-securelink

Using this feature will break a lot of programs (not just ln), but 
evidently they're not concerned about that.

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