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Fri, 21 Jun 2024 00:26:49 +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 v6 25/39] s390/checksum: Add a KMSAN check Date: Fri, 21 Jun 2024 02:24:59 +0200 Message-ID: <20240621002616.40684-26-iii@linux.ibm.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240621002616.40684-1-iii@linux.ibm.com> References: <20240621002616.40684-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: v1IZPgxWzopaZuk_kqDc7YIXvTz_GWeO X-Proofpoint-ORIG-GUID: MSeXoogrFNNvcaxdXykKNNCFHA-AI_pC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-20_11,2024-06-20_04,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 mlxlogscore=927 malwarescore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2406210001 X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: C47C1180006 X-Stat-Signature: xt9rh417cazcxdjsi9icii1utswsj8zr X-HE-Tag: 1718929624-875466 X-HE-Meta: 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 VL2kY/2S uB6vxv0z5VLhn+RHmam6g1ajsFLHYDukCCCJeunJ+APi40VJ/ZmlVJTKQH5Iicdq8vlIHGlTsK1agndnJghdc4kW5s6TH3xqVFA4LpyihDW/N4Bt8feqZRPLheNwHEO2UhyrecVyinWXoSIKRTYoVFj7C6pjYsRK2gjPtOlpKVGsamj1RI9HqejyiiV7McTb45lToXHXjkqEjhbOO26beWc991+8jOxScI4Q7Koq9Bp4yhHMne9Dy49VQzooA35uRCuB9B9M/wpUQnGnw506BiRd93qbxXlmkuRnFP2NbYs9x71AiZ0q2fPzbGSWRSyLdJ6EG5HSQ1Wo6xowsdZ46gYCI+rT/Uo0JfBqJgQeO9UQ5KtQVrqHXSiLA1g== 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 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 b89159591ca0..46f5c9660616 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 static inline __wsum cksm(const void *buff, int len, __wsum sum) @@ -23,6 +24,7 @@ static inline __wsum cksm(const void *buff, int len, __wsum sum) }; instrument_read(buff, len); + kmsan_check_memory(buff, len); asm volatile("\n" "0: cksm %[sum],%[rp]\n" " jo 0b\n"