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imf27.hostedemail.com; dkim=none; spf=pass (imf27.hostedemail.com: domain of pulehui@huaweicloud.com designates 45.249.212.51 as permitted sender) smtp.mailfrom=pulehui@huaweicloud.com; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1748534083; a=rsa-sha256; cv=none; b=EHSt6DK1rl7nMmQ0whV8jlcYnwoE3PC6Ryz4zxExu1lLCEVZMB5RNbvdMFFN65Xg2hkDi9 RM8kasJoZEBPPiRhB3HydykuQduzxL+ZEovSuDk0UHR73n94x+qxY4CYZiBEDFtfl2k46Q I4qtLRgyZuwPCXyQPKvI0Np1XnXP4/g= Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4b7WCD2pgVzYQv7c for ; Thu, 29 May 2025 23:54:32 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.252]) by mail.maildlp.com (Postfix) with ESMTP id 7B81D1A0D7D for ; Thu, 29 May 2025 23:54:31 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP3 (Coremail) with SMTP id _Ch0CgBX98EzgzhooMK5Ng--.57784S2; Thu, 29 May 2025 23:54:29 +0800 (CST) From: Pu Lehui To: mhiramat@kernel.org, oleg@redhat.com, peterz@infradead.org, akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com, pfalcato@suse.de Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, pulehui@huawei.com Subject: [PATCH v1 0/4] Fix uprobe pte be overwritten when expanding vma Date: Thu, 29 May 2025 15:56:46 +0000 Message-Id: <20250529155650.4017699-1-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_Ch0CgBX98EzgzhooMK5Ng--.57784S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uFWrCF47Wr4UCrW7Cr1fCrg_yoW8Xr4fp3 Z3tw1agw1Sqr13J3s3ArsFg34FgF4kJFyUAr13X34rAr18tFy0krWIgF40vFyUJFZ3WryS y3Z7Kas3C3yUA3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUv2b4IE77IF4wAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4 vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7Cj xVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x 0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG 6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFV Cjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4IIrI8v6xkF7I0E8cxan2IY04v7MxkF7I0E n4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I 0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWU tVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcV CY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAF wI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa 7IU17KsUUUUUU== X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: D957940017 X-Stat-Signature: esghusfb55hrbmze6owh6szpdcai1drf X-Rspam-User: X-HE-Tag: 1748534082-749620 X-HE-Meta: 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 ZYOToVCk YLz0sHzWMMwUOZbk9rD43d2g8SzfshBCi1EPDMCO52HCKgr77HaZwS7s8eFm5t0S3XirXIixSPQRJcWAX0npNiw8YVt5i2IxJ2ofWEvyqaw6qGT4M2Q2AjpqJAtpnowJCncbXQQCIfxw0Ou3R/oQrh9G8/OQiWYTzKCXIEJ9YIFsJTHQPzcRd/IEIrw== 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: From: Pu Lehui patch 1: the mainly fix for uprobe pte be overwritten issue. patch 2: WARN_ON_ONCE for new_pte not NULL during move_ptes. patch 3: extract some utils function for upcomming selftest. patch 4: selftest related to this series. v1: - limit skip uprobe_mmap to copy_vma flow. - add related selftest. - correct Fixes tag. RFC v2: https://lore.kernel.org/all/20250527132351.2050820-1-pulehui@huaweicloud.com/ - skip uprobe_mmap on expanded vma. - add skip_vma_uprobe field to struct vma_prepare and vma_merge_struct. (Lorenzo) - add WARN_ON_ONCE when new_pte is not NULL. (Oleg) - Corrected some of the comments. RFC v1: https://lore.kernel.org/all/20250521092503.3116340-1-pulehui@huaweicloud.com/ Pu Lehui (4): mm: Fix uprobe pte be overwritten when expanding vma mm: Expose abnormal new_pte during move_ptes selftests/mm: Extract read_sysfs and write_sysfs into vm_util selftests/mm: Add test about uprobe pte be orphan during vma merge mm/mremap.c | 2 ++ mm/vma.c | 20 ++++++++++-- mm/vma.h | 7 +++++ tools/testing/selftests/mm/ksm_tests.c | 32 ++------------------ tools/testing/selftests/mm/merge.c | 42 ++++++++++++++++++++++++++ tools/testing/selftests/mm/thuge-gen.c | 6 ++-- tools/testing/selftests/mm/vm_util.c | 38 +++++++++++++++++++++++ tools/testing/selftests/mm/vm_util.h | 2 ++ 8 files changed, 113 insertions(+), 36 deletions(-) -- 2.34.1