linux-kernel - Re: [PATCH v4] lib/string: Introduce sysfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <YG/7U4RtfnLO9i4Y@kroah.com>
Date:   Fri, 9 Apr 2021 08:59:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Gioh Kim <gi-oh.kim@...os.com>, linux-kernel@...r.kernel.org,
        ndesaulniers@...gle.com, dan.j.williams@...el.com,
        laniel_francis@...vacyrequired.com, keescook@...omium.org,
        dja@...ens.net, haris.iqbal@...os.com, jinpu.wang@...os.com
Subject: Re: [PATCH v4] lib/string: Introduce sysfs_streqcase

On Thu, Apr 08, 2021 at 11:51:32PM -0700, Andrew Morton wrote:
> On Fri, 9 Apr 2021 08:44:39 +0200 Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> 
> > On Thu, Apr 08, 2021 at 10:05:02PM -0700, Andrew Morton wrote:
> > > On Thu,  8 Apr 2021 15:06:05 +0200 Gioh Kim <gi-oh.kim@...os.com> wrote:
> > > 
> > > > As the name shows, it checks if strings are equal in case insensitive
> > > > manner.
> > > 
> > > Peh.  Who would die if we simply made sysfs_streq() case-insensitive?
> > 
> > I doubt anyone, let's do that instead.
> 
> There's a risk that people will write scripts/config/etc on a 5.13+
> kernel and then find that they malfunction on earlier kernels...
> 

That's not a regression, that is a "newer kernels have newer features"
issue :)