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Re: Dataloss copying file using copy-file on RHEL 8.

From: David Koppelman
Subject: Re: Dataloss copying file using copy-file on RHEL 8.
Date: Sun, 16 Feb 2020 10:25:33 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Red Hat has verified the copy_file_range flaw, so it's not a quirk
unique to my system. They reproduced the flaw, using Paul Eggert's
reproducer with futimens added, on kernel 4.18.0-80.11.2.el8_0.x86_64
and I'm suffering it on 4.18.0-147.3.1.el8_1.x86_64. The copy ran
correctly on 5.6.0-0.rc0.git5.1.fc32.x86_64.

I've asked twice that the bug,
https://bugzilla.redhat.com/show_bug.cgi?id=1803162, be made publicly

Paul Eggert <address@hidden> writes:

> On 2/14/20 7:22 AM, David Koppelman wrote:
>> I've reported the problem in Red Hat bug 1803162.
>> https://bugzilla.redhat.com/show_bug.cgi?id=1803162
> Thanks, but I am not authorized to access that Bug#. I suppose I could
> also file a public (Fedora) bug report but I wouldn't like to bother
> them if they fix the bug quickly anyway.

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