From: David Howells <dhowells@redhat.com>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: dhowells@redhat.com, keyrings@vger.kernel.org,
Eric Biggers <ebiggers@kernel.org>,
stable@vger.kernel.org, Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
linux-security-module@vger.kernel.org (open list:SECURITY
SUBSYSTEM), linux-kernel@vger.kernel.org (open list)
Subject: Re: [RFC PATCH 8/8] KEYS: Verify the key identity in __keyctl_unlink
Date: Mon, 19 Oct 2026 16:55:13 +0100 [thread overview]
Message-ID: <2610587.1792425313@warthog.procyon.org.uk> (raw)
In-Reply-To: <20261019142516.300040-9-jarkko@kernel.org>
This will show it:
keyctl newring ring_a @s
keyctl newring ring_b @s
A=`keyctl add user A ss %:ring_a`
B=`keyctl add user A qq %:ring_b`
keyctl newring R @s
keyctl show
keyctl link $A %:R
keyctl show
keyctl link $B %:R
keyctl show
keyctl unlink $A %:R
keyctl show # R is now incorrectly empty
Reviewed-by: David Howells <dhowells@redhat.com>
next prev parent reply other threads:[~2026-10-19 15:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 14:25 [RFC PATCH 0/8] KEYS: rhashtable bug fixes Jarkko Sakkinen
2026-10-19 14:25 ` [RFC PATCH 1/8] KEYS: Change the type of key->quotalen to unsigned int Jarkko Sakkinen
2026-10-19 15:37 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 2/8] KEYS: Change the type of key->datalen " Jarkko Sakkinen
2026-10-19 15:33 ` David Howells
2026-10-19 16:31 ` Jarkko Sakkinen
2026-10-19 15:41 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 3/8] KEYS: Reject @desclen values over U16_MAX in key_alloc() Jarkko Sakkinen
2026-10-19 15:35 ` David Howells
2026-10-19 16:32 ` Jarkko Sakkinen
2026-10-19 15:49 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 4/8] KEYS: Prevent overflow of user->qnkeys " Jarkko Sakkinen
2026-10-19 16:02 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 5/8] KEYS: Prevent overflow of quota " Jarkko Sakkinen
2026-10-19 15:40 ` David Howells
2026-10-19 16:33 ` Jarkko Sakkinen
2026-10-19 16:16 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 6/8] KEYS: Prevent overflow of user->qnbytes " Jarkko Sakkinen
2026-10-19 15:41 ` David Howells
2026-10-19 16:34 ` Jarkko Sakkinen
2026-10-19 16:18 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 7/8] KEYS: Reject @datalen values over INT_MAX Jarkko Sakkinen
2026-10-19 15:43 ` David Howells
2026-10-19 16:35 ` Jarkko Sakkinen
2026-10-19 16:21 ` sashiko-bot
2026-10-19 14:25 ` [RFC PATCH 8/8] KEYS: Verify the key identity in __keyctl_unlink Jarkko Sakkinen
2026-10-19 15:55 ` David Howells [this message]
2026-10-19 16:37 ` Jarkko Sakkinen
2026-10-19 16:23 ` sashiko-bot
2026-10-19 14:33 ` [RFC PATCH 0/8] KEYS: rhashtable bug fixes Jarkko Sakkinen
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