From: sashiko-bot@kernel.org
To: "Jarkko Sakkinen" <jarkko@kernel.org>
Cc: linux-s390@vger.kernel.org,
linux-security-module@vger.kernel.org,
"Heiko Carstens" <hca@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>
Subject: Re: [PATCH v6 03/13] NFSv4: Clear idmap keyring cache when the last client unloads
Date: Thu, 12 Nov 2026 04:31:28 +0000 [thread overview]
Message-ID: <sashiko-outbox-210349@kernel.org> (raw)
In-Reply-To: <20261112040242.247168-4-jarkko@kernel.org>
> id_resolver_cache->thread_keyring caches id_resolver_legacy keys up until
> nfs_idmap_quit() tears down the keyring.
>
> Once keys pin to the kernel module of their key type, the cached keys
> prevent module_exit() from ever happening.
>
> Track the active idmap instances under a mutex and clear the idmap cache
> keyring once the last client has been destroyed.
>
> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261112040242.247168-1-jarkko@kernel.org?part=3
next prev parent reply other threads:[~2026-11-12 4:31 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 4:02 [PATCH v6 00/13] KEYS: Sanitize the garbage collector Jarkko Sakkinen
2026-11-12 4:02 ` [PATCH v6 01/13] KEYS: Add key_gc_flush() for draining RCU callbacks Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 02/13] dns_resolver: Move the key type into a separate module Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 03/13] NFSv4: Clear idmap keyring cache when the last client unloads Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot [this message]
2026-11-12 4:02 ` [PATCH v6 04/13] smb: client: Clear idmap/SPNEGO caches when the last session is unloaded Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 05/13] s390/cert_store: Start tracking subsystem keys Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 06/13] KEYS: trusted: Update static calls before init Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 07/13] KEYS: trusted: TEE: Synchronize session lifetime Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 08/13] KEYS: trusted: TEE: Disable sysfs bind attributes Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 09/13] rxrpc: Release conn->key when init_connection_security() fails Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 10/13] rxrpc: Move key types to their own module Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 11/13] KEYS: Pin the backing kernel module for a key type Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 12/13] KEYS: Remove key_type_dead Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 13/13] KEYS: key_garbage_collector(): process in chunks Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 8:11 ` [PATCH v6 00/13] KEYS: Sanitize the garbage collector Jarkko Sakkinen
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