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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Alexey Gladkov <legion@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Containers <containers@lists.linux.dev>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	Oleg Nesterov <oleg@redhat.com>
Subject: Re: [PATCH v2] Fix UCOUNT_RLIMIT_SIGPENDING counter leak
Date: Thu, 8 Jul 2021 11:44:05 -0700	[thread overview]
Message-ID: <CAHk-=whdEAjawjUSeJ+DV25ARdAhbiW_HZM65ZgJx7M94rvLkg@mail.gmail.com> (raw)
In-Reply-To: <20210708103301.2109330-1-legion@kernel.org>

On Thu, Jul 8, 2021 at 3:34 AM Alexey Gladkov <legion@kernel.org> wrote:
>
> We must properly handle an errors when we increase the rlimit counter
> and the ucounts reference counter. We have to this with RCU protection
> to prevent possible use-after-free that could occur due to concurrent
> put_cred_rcu().

Thanks, LGTM. Applied,

            Linus

  reply	other threads:[~2021-07-08 18:44 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-28 22:35 [GIT PULL] ucounts: Count rlimits in each user namespace Eric W. Biederman
2021-06-29  3:47 ` Linus Torvalds
2021-06-29 15:04   ` Eric W. Biederman
2021-06-29 15:51   ` Eric W. Biederman
2021-06-29 16:34     ` Linus Torvalds
2021-06-29 16:42       ` Eric W. Biederman
2021-06-29 17:09         ` Eric W. Biederman
2021-07-01 16:41           ` Alexey Gladkov
2021-07-01 20:05             ` Eric W. Biederman
2021-06-29 17:17   ` Alexey Gladkov
2021-06-29 18:07     ` Linus Torvalds
2021-06-29 20:20       ` Alexey Gladkov
2021-06-29 20:33         ` Linus Torvalds
2021-06-29 21:22           ` Alexey Gladkov
2021-07-02 17:54           ` [PATCH] ucounts: Fix UCOUNT_RLIMIT_SIGPENDING counter leak Alexey Gladkov
2021-07-02 22:13             ` Linus Torvalds
2021-07-07 16:50               ` Alexey Gladkov
2021-07-07 17:23                 ` Linus Torvalds
2021-07-08 10:33                   ` [PATCH v2] " Alexey Gladkov
2021-07-08 18:44                     ` Linus Torvalds [this message]
2021-07-08 11:00                   ` [PATCH] ucounts: " Alexey Gladkov
2021-06-29  3:50 ` [GIT PULL] ucounts: Count rlimits in each user namespace pr-tracker-bot

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