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Message-ID: <20210222102733.gic3q7dniljlbosm@example.org>
Date: Mon, 22 Feb 2021 11:27:33 +0100
From: Alexey Gladkov <gladkov.alexey@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
io-uring <io-uring@...r.kernel.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
Linux Containers <containers@...ts.linux-foundation.org>,
Linux-MM <linux-mm@...ck.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Christian Brauner <christian.brauner@...ntu.com>,
"Eric W . Biederman" <ebiederm@...ssion.com>,
Jann Horn <jannh@...gle.com>, Jens Axboe <axboe@...nel.dk>,
Kees Cook <keescook@...omium.org>, Oleg Nesterov <oleg@...hat.com>
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 <gladkov.alexey@...il.com> 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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