From: Rafael Sadowski <rafael@sizeofvoid.org>
Subject: Re: ext2fs: Drop EXT2FS_SYSTEM_FLAGS and make its behaviour the default
To: Ricardo Branco <rbranco@suse.de>
Cc: tech@openbsd.org
Date: Mon, 21 Apr 2025 09:58:16 +0200

On Fri Apr 18, 2025 at 06:05:26PM +0200, Ricardo Branco wrote:
> Sending updated patch as attachment.
> 
> 
> Best,
> 
> 
> On 1/29/24 7:50 PM, Ricardo Branco wrote:
> > On Linux, only root can set the immutable & append file flags. OpenBSD
> > _should_ stick with those semantics.
> > 
> > The default behaviour allows the user to set the immutable/append flags,
> > which is problematic for at least 2 reasons:
> > 
> > 1. The user setting the flag when only root should be allowed.
> > 1. When the user sets those flags, he cannot unset them later when
> > running on Linux, FreeBSD (and perhaps other systems).  Only root.
> > 
> > FreeBSD solved this issue already in 2009:
> > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=122047
> > 
> > Problem also reported to NetBSD, who recently committed the changes:
> > https://mail-index.netbsd.org/netbsd-bugs/2024/01/29/msg081371.html
> > 
> > 
> > Best,
> > R

I see the point *ONLY* root should be able to set this flag. Are there
any concerns, I would like to commit this.

Rafael