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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> 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 X-Rspamd-Queue-Id: C547F180008 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: 3d6ohtdckat61hkrgehpx6r9ykjk3e7k X-HE-Tag: 1700080499-892585 X-HE-Meta: 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 mzzbjI9m glI303X6790QpHI1jhEBanA0+RKVGiFbQTKbh1wpAW/U57y6MS0IHfsEaJ2tHF0BM1nkdu3S1waSJ81x2dNyFD4tKUwXjU2KTJrWeCbDINX0lpyK5PlYxEuLPw1hGgCfdp1Z2Ck0jpJWonLku+FFiG5d00YzqMVaShBqcbXknZhxfAtVEwMlvt2tSfqrP/eRZZEluYdR3ICAtpz8QDcJIlRtMh+78r7qcj2oYVc+JQN/0tNN2VfcKJ3BG0YEZ0noViLp9xSIiveIT/8pXhJ6y2vqzSROGqnMvjjwY7iDaoQBmILE5N9kNHmn3JrPgLq1hPhn+EPCYidwqkHJG4Xc7md98XTSX327UKMJl X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 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"