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[34.168.184.9]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-21f3687c6ecsm104027215ad.198.2025.02.11.19.32.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Feb 2025 19:32:27 -0800 (PST) From: jeffxu@chromium.org To: akpm@linux-foundation.org, keescook@chromium.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, Liam.Howlett@Oracle.com, adhemerval.zanella@linaro.org, oleg@redhat.com, avagin@gmail.com, benjamin@sipsolutions.net Cc: linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, jorgelo@chromium.org, sroettger@google.com, hch@lst.de, ojeda@kernel.org, thomas.weissschuh@linutronix.de, adobriyan@gmail.com, johannes@sipsolutions.net, pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org, anna-maria@linutronix.de, mark.rutland@arm.com, linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de, rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com, f.fainelli@gmail.com, gerg@kernel.org, dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org, mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org, ardb@google.com, enh@google.com, rientjes@google.com, groeck@chromium.org, mpe@ellerman.id.au, aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com, Jeff Xu Subject: [RFC PATCH v5 0/7] mseal system mappings Date: Wed, 12 Feb 2025 03:32:20 +0000 Message-ID: <20250212033227.1279141-1-jeffxu@google.com> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jeff Xu The commit message in the first patch contains the full description of this series. ------------------ History: V5 - Remove kernel cmd line (Lorenzo Stoakes) - Add test info (Lorenzo Stoakes) - Add threat model info (Lorenzo Stoakes) - Fix x86 selftest: test_mremap_vdso - Restrict code change to ARM64/x86-64/UM arch only. - Add userprocess.h to include seal_system_mapping(). - Remove sealing vsyscall. - Split the patch. V4: https://lore.kernel.org/all/20241125202021.3684919-1-jeffxu@google.com/ V3: https://lore.kernel.org/all/20241113191602.3541870-1-jeffxu@google.com/ V2: https://lore.kernel.org/all/20241014215022.68530-1-jeffxu@google.com/ V1: https://lore.kernel.org/all/20241004163155.3493183-1-jeffxu@google.com/ Jeff Xu (7): mseal, system mappings: kernel config and header change selftests: x86: test_mremap_vdso: skip if vdso is msealed mseal, system mappings: enable x86-64 mseal, system mappings: enable arm64 mseal, system mappings: enable uml architecture mseal, system mappings: uprobe mapping mseal, system mappings: update mseal.rst Documentation/userspace-api/mseal.rst | 5 +++ arch/arm64/Kconfig | 1 + arch/arm64/kernel/vdso.c | 23 +++++++---- arch/um/Kconfig | 1 + arch/x86/Kconfig | 1 + arch/x86/entry/vdso/vma.c | 17 ++++++--- arch/x86/um/vdso/vma.c | 7 +++- include/linux/userprocess.h | 18 +++++++++ init/Kconfig | 18 +++++++++ kernel/events/uprobes.c | 6 ++- security/Kconfig | 18 +++++++++ .../testing/selftests/x86/test_mremap_vdso.c | 38 +++++++++++++++++++ 12 files changed, 137 insertions(+), 16 deletions(-) create mode 100644 include/linux/userprocess.h