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From: Andreas Gruenbacher <agruen@gnu.org>
Subject: Re: patch-2.7.3 no longer applies relative symbolic link patches
Date: Sat, 31 Jan 2015 21:27:37 +0000 (UTC)
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On Tue, 27 Jan 2015 15:47:04 +0000, Andreas Gruenbacher wrote:
> On Mon, 26 Jan 2015 13:50:10 -0800, Linus Torvalds wrote:
>> I _think_ we allow arbitrary symlinks to be created, but then we should
>> be careful about actually _following_ them.
> 
> I would prefer to allow arbitrary symlinks even in GNU patch, but patch
> still must not be allowed to leave the working directory. The only way
> to achieve that I can think of is to implement path traversal in user
> space, which is not so easy to do correctly and efficiently.

This should be working in patch-2.7.4 now.

Andreas