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Date: Tue, 30 Jun 2026 19:32:14 +0200 Message-ID: <20260630173214.3114408-1-gerald.schaefer@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjMwMDE2NSBTYWx0ZWRfXxwglWpa5AxNc a5yQAlOzSrVJy2uA0SuutAJZXXc/S6DE9PPZuBVhGUx0i8CqgiVR9K4lgvkX07l1ZiWH4cfmsDr 2dEcgS0bgL32gMxnGh2Xp3TzEEZCZv+HHgU+C/P1gJlVQs//b7I+4g7aYl+jB6qmKH/tx3ZbCCB t8sQPMT/8Jc1R1qwojOtvAnlcPJ2FYSDYmc2z/zg3hcEuhS7G300jLqVsKTvV88dyjOAntuo70+ 4PJp5mWYeZDUufRCeZq5fO9AZwSYyBcasIuqmC0FqoJo1n1LjMG9AhBfMicWfpPbJcqBXf9MG7r BOeCjyVQCs29ddqIbxfV7Sptha4JuTlHaAYIpPLgnvjYy6IuBqX+EbEllB4VcyhR546IWU4BL+a kSCl7D+Vr2oxLrfwl9QM3xTTB2scjvHWYKMpUK/X696KCBEINbdhHHr/W7rd7vXFFANata+LIrh O9CBWkzJpKDqRpAh8Mg== X-Authority-Analysis: v=2.4 cv=V45NF+ni c=1 sm=1 tr=0 ts=6a43fdb6 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=Q4Iz8yLfMio2wSdAjBAA:9 X-Proofpoint-ORIG-GUID: U8AqoP_nCSmk8WY3V9WfYVp6N_Hy9D4Q X-Proofpoint-GUID: U8AqoP_nCSmk8WY3V9WfYVp6N_Hy9D4Q X-Proofpoint-Spam-Info: AW1haW4tMjYwNjMwMDE2NSBTYWx0ZWRfX0/ySgiTS4Oa/ HzzW2mI0hXyeFIjmhmDAialJDRiiagFfeRmZ/7CNrvZg9UTHO1TuQQydIofpw8Df68GCSLqEQ4e tEoBBxBirjtlFBhUm7Z8l459EHqTjBY= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-30_04,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 clxscore=1015 impostorscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606300165 Commit 86f48f922ba79 ("s390/mmap: disable mmap alignment when randomize_va_space = 0") introduced get_align_mask() with return type of 'int', while the target field 'info.align_mask' in struct vm_unmapped_area_info is 'unsigned long'. With currently used masks, this should not cause truncation issues, but fix it and return 'unsigned long' to avoid future problems. Fixes: 86f48f922ba79 ("s390/mmap: disable mmap alignment when randomize_va_space = 0") Cc: stable@vger.kernel.org # v6.9+ Signed-off-by: Gerald Schaefer --- arch/s390/mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 2a222a7e14f4..ef7bfc87758c 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -64,7 +64,7 @@ static inline unsigned long mmap_base(unsigned long rnd, return PAGE_ALIGN(STACK_TOP - gap - rnd); } -static int get_align_mask(struct file *filp, unsigned long flags) +static unsigned long get_align_mask(struct file *filp, unsigned long flags) { if (filp && is_file_hugepages(filp)) return huge_page_mask_align(filp); base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482 -- 2.53.0