From: Jarkko Sakkinen <jarkko@kernel.org>
To: David Howells <dhowells@redhat.com>
Cc: Eric Biggers <ebiggers@kernel.org>,
linux-integrity@vger.kernel.org, Mimi Zohar <zohar@linux.ibm.com>,
keyrings@vger.kernel.org,
Roberto Sassu <roberto.sassu@huawei.com>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
Eric Snowberg <eric.snowberg@oracle.com>,
Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"open list:SECURITY SUBSYSTEM"
<linux-security-module@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH v2 00/11] KEYS: Sanitize the garbage collector
Date: Tue, 3 Nov 2026 14:03:27 +0200 [thread overview]
Message-ID: <aunNj35KmcAC4ByH@kernel.org> (raw)
In-Reply-To: <641294.1793700187@dhowells-thinkpadp1gen8.rmtgb.csb>
On Tue, Nov 03, 2026 at 10:03:07AM +0000, David Howells wrote:
> Jarkko Sakkinen <jarkko@kernel.org> wrote:
>
> > The first change has user space visible effect: rmmod semantics will change
> > from always succeeding into returning -EBUSY when keys or restrictions have
> > the LKM pinned.
>
> Please don't do that. That will cause the AF_RXRPC module to get pinned in
> place by outstanding connections that haven't timed out yet.
Despite the changes I think it hits wall also with DNS resolver.
This spinned up from [1]. I'll figure out some other angle or have
some ideas but please tell if you have suggestion.
The chunk based processing is available as an independent patch [2]
without prepending changes and is pretty much done, or waiting for
feedback.
>
> David
>
[1 https://lore.kernel.org/keyrings/20261101221519.GB2689@quark/
[2 https://lore.kernel.org/keyrings/20261030205412.3138975-1-jarkko@kernel.org/
Br, Jarkko
next prev parent reply other threads:[~2026-11-03 12:03 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-03 3:02 [RFC PATCH v2 00/11] KEYS: Sanitize the garbage collector Jarkko Sakkinen
2026-11-03 3:02 ` [RFC PATCH v2 01/11] KEYS: Add key_gc_flush() for draining RCU callbacks Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 02/11] nvme-keyring: Add a missing key_put() call to nvme_tls_key_lookup() Jarkko Sakkinen
2026-11-03 5:33 ` Christoph Hellwig
2026-11-03 12:29 ` Jarkko Sakkinen
2026-11-04 9:04 ` Christoph Hellwig
2026-11-04 14:43 ` Jarkko Sakkinen
2026-11-04 15:53 ` Keith Busch
2026-11-04 3:03 ` sashiko-bot
2026-11-04 7:45 ` Hannes Reinecke
2026-11-04 14:43 ` Jarkko Sakkinen
2026-11-04 20:37 ` (subset) " Keith Busch
2026-11-04 23:44 ` Jarkko Sakkinen
2026-11-03 3:02 ` [RFC PATCH v2 03/11] dns_resolver: Clear .dns_resolver cache when the last client unloads Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 04/11] NFSv4: Clear idmap keyring " Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 05/11] smb: client: Clear idmap/SPNEGO caches when the last session is unloaded Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 06/11] s390/cert_store: Track subsystem keys instead of re-registering key_type Jarkko Sakkinen
2026-11-03 12:06 ` Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 07/11] KEYS: trusted: TEE: Disable sysfs bind attributes Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 08/11] KEYS: trusted: TEE: Synchronize session lifetime Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 09/11] KEYS: Pin the backing kernel module for a key type Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 10/11] KEYS: Remove key_type_dead Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:02 ` [RFC PATCH v2 11/11] KEYS: key_garbage_collector(): process in chunks Jarkko Sakkinen
2026-11-04 3:03 ` sashiko-bot
2026-11-03 3:10 ` [RFC PATCH v2 00/11] KEYS: Sanitize the garbage collector Jarkko Sakkinen
2026-11-03 12:32 ` Jarkko Sakkinen
2026-11-03 10:03 ` David Howells
2026-11-03 12:03 ` Jarkko Sakkinen [this message]
2026-11-03 14:00 ` David Howells
2026-11-03 15:06 ` Jarkko Sakkinen
2026-11-03 15:32 ` David Howells
2026-11-03 16:58 ` Jarkko Sakkinen
2026-11-04 0:30 ` Jarkko Sakkinen
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