linux-kernel - Re: 4.9.0 regression in pipe-backed iov

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Message-ID: <22647.59726.211735.389750@wylie.me.uk>
Date:   Thu, 12 Jan 2017 20:38:38 +0000
From:   "Alan J. Wylie" <alan@...ie.me.uk>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Thorsten Leemhuis <regressions@...mhuis.info>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: 4.9.0 regression in pipe-backed iov_iter with systemd-nspawn

at 20:31 on Thu 12-Jan-2017 Al Viro (viro@...IV.linux.org.uk) wrote:
> On Thu, Jan 12, 2017 at 08:26:52PM +0000, Alan J. Wylie wrote:
> > 
> > Some time after 4.9.0 was released, I noticed that a cron job running
> > systemd-nspawn was hanging trying to send mail.
> 
> Check if 8e54cadab447 (fix default_file_splice_read()) fixes it.

That's already in 4.9.3, which still has the problem.

-- 
Alan J. Wylie                                          http://www.wylie.me.uk/

Dance like no-one's watching. / Encrypt like everyone is.
Security is inversely proportional to convenience