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=1794176875; b=swDhdZFJxH9Xlnp7JNBp2WNn9LcvGl9nT41F5MG6IYhvCHDFDB02+on2T0ZOVlh3e0oW 7S3ifJ9U+kiUkjL0Lah/1iObirGDjSuS4b1JS10sbC/nWg1w8Aii1Z9W7d6/AQtUQ6bvx I0bQppD68SJsNCuLeJ85PNscNsGgD8bCHhj1ZZrjDLoxc4pi+Hv18Xyv+F4FtGK6CSqXw zpCYZddHaICtmep/6u2tEH6c1ICpmRe78fQ1RevIDq7FoEJHxWoKUveMfOvG5L9559UO/ o9lHjjMc2prY7HfYB1poX5UiLqemHIpyJRBVVJzdyPg4VD2sqxhhN5KPbXPZnhw4T/Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794176875; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=c8QBGr1yE6MKO7128lCzkFcPbJ/myyIRf4OSZLFtjRI=; b=d1jCqkLXBNHQTvbYNpxo3BuwvSPbG6dxb0JMDJ+HfDEqSsKijfoUT28BOn7B07SwiYra CdJUEQ1/552DOozbWf+SIVZFuKN99eGMHH0sQ51kG24gMZWi5wAl+w1NMh3pyO1fDnGmi BLGx85O5EsgLKuX4wpGZ6IohmAtrJvz5m9vWXzkKmwCHSaHlTkhW0dY1FXff22Tf5HIr2 JkYylSbbCqTY7/mVIEr8TZDh3eapTs/lcUQbAOP92Vz1Vvd77q4Pt2vZFIAbbI+r7Rg7V dRXpBPmz9lMxx+FxQf3nTzXBh2HgW3q0Ds0b1rcRXkNcdYaSDkGXtefMQgBc1bovhlQ== 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=Jdu3+wtZ; 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 BB731606D839; Sun, 8 Nov 2026 22:27:54 +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=Jdu3+wtZ Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 8AACE1F008A2; Sun, 8 Nov 2026 22:27:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794176874; bh=c8QBGr1yE6MKO7128lCzkFcPbJ/myyIRf4OSZLFtjRI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Jdu3+wtZipXmwcBOiBA0negJi0bvNfj6sWJuAU8IG3LBGMZcIeTCsnrygWQ2gQTca iTO8jh6JqkRJmbDfM9m6ROf2oGmhtxfcchWvUJkZwsruDnUUP4pSQ3IkPtXZtc5nkX iij8W9RHfRoRMWrmCfXGfKIaNYLcbawuRM9N8fFsIA6uEGMKZvj7nyrIOYLtjVK4Yh MR/iMeEkYTmisfC/prps3ury+HfxF2zPZG8wCODyYgimSe9w+g6nr7gpxw+MTG4FwN Wp2HuscCErLIpL6ju6u+dMmpEPmnrBZ9Ri1sleIVr4sU+qztV4Qebz9eknS+HJ9YKv FD4MPCPoSjv3Q== 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 v5 07/12] KEYS: trusted: TEE: Disable sysfs bind attributes Date: Mon, 9 Nov 2026 00:27:13 +0200 Message-ID: <20261108222719.304712-8-jarkko@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261108222719.304712-1-jarkko@kernel.org> References: <20261108222719.304712-1-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 ad9c7baddcef..87ea549f7f0b 100644 --- a/security/keys/trusted-keys/trusted_tee.c +++ b/security/keys/trusted-keys/trusted_tee.c @@ -307,7 +307,8 @@ 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