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From: Kees Cook <keescook@chromium.org>
To: Christian Zigotzky <chzigotzky@xenosoft.de>
Cc: mad skateman <madskateman@gmail.com>,
	Darren Stevens <darren@stevens-zone.net>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"R.T.Dickinson" <rtd2@xtra.co.nz>
Subject: Re: [Latest Git kernel/Linux-next kernel] Xorg doesn't start after the seccomp updates v5.9-rc1
Date: Fri, 7 Aug 2020 10:45:32 -0700	[thread overview]
Message-ID: <202008071043.2EABB8D24B@keescook> (raw)
In-Reply-To: <67cd9693-10bc-5aa5-0898-ff2ac1f9c725@xenosoft.de>

On Fri, Aug 07, 2020 at 04:45:14PM +0200, Christian Zigotzky wrote:
> But Xorg works on Ubuntu 10.04.4 (PowerPC 32-bit), openSUSE Tumbleweed
> 20190722 PPC64 and on Fedora 27 PPC64 with the latest Git kernel.
> 
> I bisected today [4].
> 
> Result: net/scm: Regularize compat handling of scm_detach_fds()
> (c0029de50982c1fb215330a5f9d433cec0cfd8cc) [5] is the first bad commit.
> 
> This commit has been merged with the seccomp updates v5.9-rc1 on 2020-08-04
> 14:11:08 -0700 [1]. Since these updates, Xorg doesn't start anymore on some
> Linux distributions.

Hi! Thanks for bisecting; yes, sorry for the trouble (I'm still trying
to understand why my compat tests _passed_...). Regardless, can you try
this patch:

https://lore.kernel.org/lkml/20200807173609.GJ4402@mussarela/

-- 
Kees Cook

  reply	other threads:[~2020-08-07 17:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-07 14:45 [Latest Git kernel/Linux-next kernel] Xorg doesn't start after the seccomp updates v5.9-rc1 Christian Zigotzky
2020-08-07 17:45 ` Kees Cook [this message]
2020-08-07 19:12   ` Christian Zigotzky

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