Re: Bug#555979: debian-policy: Symlinks pointing beyond the root of the file system

[Anthony Towns <aj@erisian.com.au>]

On Sat, Nov 22, 2014 at 12:39:44PM +0500, Andrey Rahmatullin wrote:
> On Thu, Nov 12, 2009 at 04:31:52PM -0800, Russ Allbery wrote:
> > Lintian has a tag:
> > Tag: symlink-has-too-many-up-segments
> > Severity: serious

> +         Symbolic links must not traverse above the root directory.

This isn't listed in https://release.debian.org/jessie/rc_policy.txt 

I don't see any reason why it should be RC; so s/must/should/ IMO.

> > for symlinks that contain so many ../ segments that they traverse above
> > the root of the file system.  This tag is currently used by ftpmaster to
> > reject uploads, but this behavior is not explicitly prohibited by Policy
> > (although it violates both shoulds in 10.5).

Violating a should in policy means it is prohibited...

Cheers,
aj, thinking policy should just drop the "must" distinction entirely...