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Wed, 13 Dec 2023 23:36:44 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1BC152004E; Wed, 13 Dec 2023 23:36:44 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AD91F20043; Wed, 13 Dec 2023 23:36:42 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.70.156]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 13 Dec 2023 23:36:42 +0000 (GMT) From: Ilya Leoshkevich To: Alexander Gordeev , Alexander Potapenko , Andrew Morton , Christoph Lameter , David Rientjes , Heiko Carstens , 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 v3 22/34] s390/checksum: Add a KMSAN check Date: Thu, 14 Dec 2023 00:24:42 +0100 Message-ID: <20231213233605.661251-23-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231213233605.661251-1-iii@linux.ibm.com> References: <20231213233605.661251-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: MHKnPyW5x6icSzfPHJK27c1dMynNcUTN X-Proofpoint-ORIG-GUID: na0tv6_fX2z243noK5Kk-h_zifB4EtHz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-13_14,2023-12-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=863 lowpriorityscore=0 adultscore=0 phishscore=0 mlxscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 spamscore=0 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312130167 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: B9C26100014 X-Stat-Signature: znxbr3m789ituw8kdqy74cft8rmu81to X-Rspam-User: X-HE-Tag: 1702510616-744761 X-HE-Meta: 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 ja8DVpQ1 ooiJAdOZen9BcLM6ACJrlEvFJu+ZRAQylBkhSUE+tnyiVbXoxFg359bl9rdthlGtlo9EfBSnHWSvoKYDnaqL76nOKWlTZt3tYTS+MSVZkBH/2aYhctmJwBIRrg+LDSEkb43jY0rQw2YYexg31sSekBhXtmfRFWW3vkcESM9m6yFe1ulE0ex9Pnqae13maoFnfujvIVx7uCn7RhXVbLCyIsnO3YmQ9LSUXFk00iITi6bDk4+69UNS0FyViVQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 Reviewed-by: Alexander Potapenko 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" -- 2.43.0