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Wed, 23 Sep 2026 18:29:04 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 68NIT1IM39977254 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Sep 2026 18:29:01 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2185020043; Wed, 23 Sep 2026 18:29:01 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8707C20040; Wed, 23 Sep 2026 18:28:55 +0000 (GMT) Received: from li-fc74f8cc-3279-11b2-a85c-ef5828687581.ibm.com (unknown [9.67.83.254]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 23 Sep 2026 18:28:55 +0000 (GMT) From: Srish Srinivasan To: linuxppc-dev@lists.ozlabs.org Cc: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, nayna@linux.ibm.com, gjoyce@linux.ibm.com, ritesh.list@gmail.com, sshegde@linux.ibm.com, linux-kernel@vger.kernel.org, rnsastry@linux.ibm.com, ssrish@linux.ibm.com, stable@vger.kernel.org Subject: [PATCH 02/12] pseries/plpks: fix error code for wrapping key reads Date: Wed, 23 Sep 2026 23:58:06 +0530 Message-ID: <20260923182816.151451-3-ssrish@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260923182816.151451-1-ssrish@linux.ibm.com> References: <20260923182816.151451-1-ssrish@linux.ibm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=G+OJgNk5 c=1 sm=1 tr=0 ts=6ab41a71 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=NZelvwgA2UR8l0CqTt0A:9 a=zZCYzV9kfG8A:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIzMDA3MiBTYWx0ZWRfX8xBlUSKcUzLT /Ot8eOE+EK6KQkyouPcrWN/uP4Ec83dShNCgdJcsSoRPWVSgpQAg7fYUwVzQdOaHxo9Z+mkQkgJ xlWWLX0LOiqwxScakxkFFCx4Jx1mDtQ1I3ZqjKnhYDousp6oFO65Ehdm6Dcp/hUllTQ3XKKp/Q5 u6j9GXYMnBffmuHsJ9oaWzM7C/OEmkU3V9qOIf0dc4cELHsBKze6ZrROZOjLL7zTSkM7ykfZxwP jUZUBnxjnP6TMHDy2T+ysQzWNVDqrjTH8OOzMUSD/AyZipdNHgczfIBxOj73ckVsH1/VOjC9XzX UwgEo0Ak2PsYzEKuVY1O3DCxo6WTLb8dhHam0+5QPGjUeixUXhIxslOmuE/UpFkd5prcMH8toNW nd3fL1HI2Z+FAcqBrii2hqAPbV2Gqi0Kvl9IdDZ9phKJKF6fA7JtFRUTwg3a8zQXI894Xvf0tBO GsE33ZsZdlHrMm+rUNg== X-Proofpoint-ORIG-GUID: S7BzPrRGZtS10uKzJDj2g4kMevZHVlPE X-Proofpoint-GUID: VowuZ-cfXH1a2eK1HrNdZa7bRnxQLKRV X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIzMDA3MiBTYWx0ZWRfX4ZCbHVE8Xgvu kUOy1XHw3ekRvqAfjknbZBBd88I7/WEX1U/vHKdZwflCpnW19bZ/um4a5dBm72zvLduBVRmaVsa fSd2w1DNQFa8PuMfJ9b2JMo7EwYY9og= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-23_06,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609230072 PLPKS variables with the PLPKS_WRAPPINGKEY policy bit set are not readable. Return -EPERM instead of -EINVAL in this case to better reflect the access restriction being enforced. Fixes: 133aa79e211d ("pseries/plpks: add HCALLs for PowerVM Key Wrapping Module") Cc: stable@vger.kernel.org # 7.0 Signed-off-by: Srish Srinivasan Tested-by: R Nageswara Sastry --- arch/powerpc/platforms/pseries/plpks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c index 7e56b3dcacbc..ccf5765a907b 100644 --- a/arch/powerpc/platforms/pseries/plpks.c +++ b/arch/powerpc/platforms/pseries/plpks.c @@ -829,7 +829,7 @@ static int plpks_read_var(u8 consumer, struct plpks_var *var) return -EINVAL; if (var->policy & PLPKS_WRAPPINGKEY) - return -EINVAL; + return -EPERM; auth = construct_auth(consumer); if (IS_ERR(auth)) -- 2.52.0