From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794057344; b=QUHveQ1wZsjB+nUlTNHIotUDabKp1AuhLPI2L8DHQ608VlqpbNyrUylTk+Qt4O/hfLsg Zl5q5Vusv3XqArZqS4Nd91zDZ8JdURPKRqvih3Y9n2YO50QkJpp0KQ9F3VTKUgxvvLdG7 0msYxH5H61kmAbhrwH3+9jDAZk4HlDFAX276BPKbGGT3OEibRkdkP7lNF32EOmBKpbyIR wIhHL8NQkUqASQ6A14H4fENX0AEbIS2lKfNAPpg+My2UYGQUKUUUIe5CzUk75JWu20eY/ sQoKcStf2nHHSc9LBZRvyq/b79n5O26Qz/8ythptPVMoC49yiM/ySpBwmUpdGYpzaYA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794057344; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=Z7jZ+M0oFygNY7P+h2LVhxc/2HWt59gTYhBbgn7xubc=; b=I33eHYhUop8hT9e4LP2pnsrpah6rGdnB9ckzf6EeBXPlgVgd7N2VIGRXU2jPj6ls/NYy u1qxkv0mYzXdBR8eYc7nZj/vab03CfIBL7q1lHwu2PXMvzGceDRldVibXO+nsDHggXDI1 seYlyAyLnu2hLK9fneITvm21//8u9vUCBy6mHvKfJp/rjF5El0cKm0KZkWnSMZWk1jgGC 6qRy9HYbrLelSAfo5DTsK2coRxtfJjJ18F53ncSSDQ8+vfqxMAuz4e5EKJX2CAFvYkYSa +1ip6Dsug6dwlluapKOIj68TMLvSq2V2pnuPr62DsruUX8V6SX86/woq0Q/+X4HjP3A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=SndqNYPE; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with UTF8SMTPS id 6D7B8606A33F; Sat, 7 Nov 2026 13:15:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=SndqNYPE Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 5823A1F0089F; Sat, 7 Nov 2026 13:15:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794057344; bh=Z7jZ+M0oFygNY7P+h2LVhxc/2HWt59gTYhBbgn7xubc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SndqNYPEBMbv5mvXwMMh4adkF6eqhfdZdnrvHVlExxo4xlSI3wUl1chUkvxd0wgU7 CG3lLtqZPtsc5RtUbZBf9kgFRQ2Cb1LQCOxbINUhl2ir7a5nM0WhS5zpSiqZfTdgJp qRUuNAHQsLrVHAd2vyisDCEXxKcbrl69UMZrU1tJHDbFdhKCC2Ql5/49ef3uIZGzIr PLQBQsZPbibzb8weN9yQZCOomvN9Hx8KxhV0J1tWlAK3oocFwUz+pU+xa2JmKne8Jx UCEuNknVe1v4zm/dGZ+qTDfhBae79M7jafoOMpTLfWKuj2nBD3KScI2ymp8xKoKPDw OpOyQb6BTN4Mg== From: Jarkko Sakkinen To: David Howells Cc: Jarkko Sakkinen , keyrings@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-s390@vger.kernel.org, linux-security-module@vger.kernel.org, netdev@vger.kernel.org, Alexander Gordeev , Anna Schumaker , Bharath SM , Christian Borntraeger , "David S. Miller" , Eric Biggers , Eric Dumazet , Heiko Carstens , Jakub Kicinski , James Bottomley , James Morris , Marc Dionne , Mimi Zohar , Namjae Jeon , Paolo Abeni , Paul Moore , Paulo Alcantara , Ronnie Sahlberg , "Serge E. Hallyn" , Shyam Prasad N , Simon Horman , Sumit Garg , Sven Schnelle , Tom Talpey , Trond Myklebust , Vasily Gorbik Subject: [PATCH v4 06/11] KEYS: trusted: TEE: Disable sysfs bind attributes Date: Sat, 7 Nov 2026 15:15:07 +0200 Message-ID: <20261107131512.3603168-7-jarkko@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261107131512.3603168-1-jarkko@kernel.org> References: <20261107131512.3603168-1-jarkko@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Suppress sysfs bind and unbind attributes on trusted_key_driver so that userspace cannot unbind the driver and unregister key_type_trusted while the trusted module remains loaded. Signed-off-by: Jarkko Sakkinen --- security/keys/trusted-keys/trusted_tee.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/keys/trusted-keys/trusted_tee.c b/security/keys/trusted-keys/trusted_tee.c index 6e465c8bef5e..227efb668aa9 100644 --- a/security/keys/trusted-keys/trusted_tee.c +++ b/security/keys/trusted-keys/trusted_tee.c @@ -263,7 +263,8 @@ static struct tee_client_driver trusted_key_driver = { .remove = trusted_key_remove, .id_table = trusted_key_id_table, .driver = { - .name = DRIVER_NAME, + .name = DRIVER_NAME, + .suppress_bind_attrs = true, }, }; -- 2.47.3