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Date: Mon, 22 Feb 2021 11:27:33 +0100
From: Alexey Gladkov <>
To: Linus Torvalds <>
Cc: LKML <>,
	io-uring <>,
	Kernel Hardening <>,
	Linux Containers <>,
	Linux-MM <>,
	Andrew Morton <>,
	Christian Brauner <>,
	"Eric W . Biederman" <>,
	Jann Horn <>, Jens Axboe <>,
	Kees Cook <>, Oleg Nesterov <>
Subject: Re: [PATCH v6 0/7] Count rlimits in each user namespace

On Sun, Feb 21, 2021 at 02:20:00PM -0800, Linus Torvalds wrote:
> On Mon, Feb 15, 2021 at 4:42 AM Alexey Gladkov <> wrote:
> >
> > These patches are for binding the rlimit counters to a user in user namespace.
> So this is now version 6, but I think the kernel test robot keeps
> complaining about them causing KASAN issues.
> The complaints seem to change, so I'm hoping they get fixed, but it
> does seem like every version there's a new one. Hmm?

First, KASAN found an unexpected bug in the second patch (Add a reference
to ucounts for each cred). Because I missed that creed_alloc_blank() is
used wider than I found.

Now KASAN has found problems in the RLIMIT_MEMLOCK which I believe I fixed
in v7.

Rgrds, legion

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