linux-kernel - Re: Does vdso_install attempt to re-compile objects under root privilege?

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: <20190424065738.GD4038@hirez.programming.kicks-ass.net>
Date:   Wed, 24 Apr 2019 08:57:38 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andy Lutomirski <luto@...nel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>, X86 ML <x86@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Does vdso_install attempt to re-compile objects under root
 privilege?

On Tue, Apr 23, 2019 at 04:38:35PM -0700, Linus Torvalds wrote:

> So anybody who builds the kernel as root is doing something seriously
> wrong, in my opinion.

Some of my test boxes don't have a user account... if they fall over,
I'll just re-image them.

So I've been doing it wrong?