From patchwork Wed Nov 15 20:30:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13457329 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="E5bEhLE1" Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BF831FEB; Wed, 15 Nov 2023 12:35:10 -0800 (PST) Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AFKHxQH030223; Wed, 15 Nov 2023 20:34:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=kfW8KavvUaBQqtKF5dduUkWqnOOlkspXX2HeV3sVIpc=; b=E5bEhLE1k4gQO/U6SLkjqzBZ86Y+12JJisdA52XFFQqUs3KwSI2TnPbZQtM5iRIsKNXG sY7cKYE7c8mMeB1jWX9dyiogeaZltQhnu7jl5w2d1Q6nElbiPyMf009W4Ve/a/0O6EOG 5gT+TeYSQP5BA/dJxTnH+E5zMnoDU8XM9enaJMW6HZFPL1KRz/Lw6sq0qSfZ22+lkgHG uAdABeJ0IxFT3wY63sQdhV1x14OGYmqElEn2i7sQMmXefUtGGcQWF7XF6TzBV6b93D/7 0TeIBhbQTD1zsn10luiFaq06/lC49dnyMUc2ZnwQZud2RYeBOFtOj3CQ/F/03IpmLS59 Dg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ud4w2rc4x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Nov 2023 20:34:52 +0000 Received: from m0353727.ppops.net (m0353727.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3AFKJPjI001881; Wed, 15 Nov 2023 20:34:52 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ud4w2rc4j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Nov 2023 20:34:52 +0000 Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3AFKJ1Tk024874; Wed, 15 Nov 2023 20:34:51 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 3uapn1sj94-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Nov 2023 20:34:50 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3AFKYm6042074868 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Nov 2023 20:34:48 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 108EF2004B; Wed, 15 Nov 2023 20:34:48 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B4B8E20040; Wed, 15 Nov 2023 20:34:46 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.179.9.51]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 15 Nov 2023 20:34:46 +0000 (GMT) From: Ilya Leoshkevich To: Alexander Gordeev , Alexander Potapenko , Andrew Morton , Christoph Lameter , David Rientjes , Joonsoo Kim , Marco Elver , Masami Hiramatsu , Pekka Enberg , Steven Rostedt , Vasily Gorbik , Vlastimil Babka Cc: Christian Borntraeger , Dmitry Vyukov , Hyeonggon Yoo <42.hyeyoo@gmail.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland , Roman Gushchin , Sven Schnelle , Ilya Leoshkevich Subject: [PATCH 23/32] s390/checksum: Add a KMSAN check Date: Wed, 15 Nov 2023 21:30:55 +0100 Message-ID: <20231115203401.2495875-24-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231115203401.2495875-1-iii@linux.ibm.com> References: <20231115203401.2495875-1-iii@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: K4Rwon4YSH9HOVwscBn7CFE6ESwPGPsU X-Proofpoint-ORIG-GUID: J_mHkBdjQbZ597hhWyOrstqRqqNqOBMX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-15_20,2023-11-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 impostorscore=0 phishscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=864 suspectscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311150163 Add a KMSAN check to the CKSM inline assembly, similar to how it was done for ASAN in commit e42ac7789df6 ("s390/checksum: always use cksm instruction"). Acked-by: Alexander Gordeev Signed-off-by: Ilya Leoshkevich --- arch/s390/include/asm/checksum.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h index 69837eec2ff5..55ba0ddd8eab 100644 --- a/arch/s390/include/asm/checksum.h +++ b/arch/s390/include/asm/checksum.h @@ -13,6 +13,7 @@ #define _S390_CHECKSUM_H #include +#include #include /* @@ -35,6 +36,7 @@ static inline __wsum csum_partial(const void *buff, int len, __wsum sum) }; kasan_check_read(buff, len); + kmsan_check_memory(buff, len); asm volatile( "0: cksm %[sum],%[rp]\n" " jo 0b\n"