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Date: Mon, 30 Jan 2023 23:09:22 +0300
From: Vitaly Chikunov <vt@altlinux.org>
To: ALT Linux kernel packages development <devel-kernel@lists.altlinux.org>
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Cc: sin@basealt.ru
Subject: Re: [d-kernel] [RFC] ALT: io_uring,
 sysctl: Add 'kernel.unprivileged_io_uring_disabled' sysctl
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On Mon, Jan 30, 2023 at 01:26:32PM +0400, Alexey Sheplyakov wrote:
> Здравствуйте!
> 
> On Thu, Jan 26, 2023 at 10:50:17PM +0300, Vitaly Chikunov wrote:
> > `kernel.unprivileged_io_uring_disabled=1' is set to disable io_uring
> > functionality for non-roots (default). Set to 0 to allow io_uring.
> 
> Это уже откровенное вредительство. Вы ещё epoll отключите, или unlink.

Не закрытие проблем безопасности может быть интерпретировано как
вредительство даже в большей степени.

В RHEL/Centos io_uring отключен на уровне конфигурации ядра[1]. У нас
же предлагается дать возможность администратору системы решать.

Спасибо,

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1964537

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