linux-kernel - Re: autofs: use __kernel_write() for the autofs pipe writing causes regression in -next was Re: 5.9.0-next-20201015: autofs oops in update-binfmts

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Message-ID: <20201018072243.GA15356@lst.de>
Date:   Sun, 18 Oct 2020 09:22:43 +0200
From:   Christoph Hellwig <hch@....de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Pavel Machek <pavel@....cz>, Ian Kent <raven@...maw.net>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        Christoph Hellwig <hch@....de>,
        kernel list <linux-kernel@...r.kernel.org>,
        autofs@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        the arch/x86 maintainers <x86@...nel.org>,
        Peter Anvin <hpa@...or.com>
Subject: Re: autofs: use __kernel_write() for the autofs pipe writing
 causes regression in -next was Re: 5.9.0-next-20201015: autofs oops
 in update-binfmts

On Sat, Oct 17, 2020 at 11:05:06AM -0700, Linus Torvalds wrote:
> On Sat, Oct 17, 2020 at 3:02 AM Pavel Machek <pavel@....cz> wrote:
> >
> > Bad Linus!
> 
> Christ people.
> 
> The bug is in linux-next, not in mainline.  I've told the people
> involved already over a week ago.
> 
> I can't do anything about linux-next being broken and people not fixing it.

While it took longer than I would have preferred, Al has commited the
fix to his for-next tree a few days ago:

https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git/commit/?h=for-next&id=4c207ef48269377236cd38979197c5e1631c8c16