[RFC PATCH v5 0/7] mseal system mappings

[jeffxu]

From: Jeff Xu <jeffxu@xxxxxxxxxxxx>

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@xxxxxxxxxx/

V3:
  https://lore.kernel.org/all/20241113191602.3541870-1-jeffxu@xxxxxxxxxx/

V2:
  https://lore.kernel.org/all/20241014215022.68530-1-jeffxu@xxxxxxxxxx/

V1:
  https://lore.kernel.org/all/20241004163155.3493183-1-jeffxu@xxxxxxxxxx/

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

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2.48.1.502.g6dc24dfdaf-goog