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| author | Ard Biesheuvel <ardb@kernel.org> | 2024-02-14 13:29:28 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2024-02-16 12:42:43 +0000 |
| commit | cb1a393c40eee2f1692c995ea0cc6e45bfccde4d (patch) | |
| tree | cdb22e3f9f77883f442ad3f1e279c5040309751f /arch | |
| parent | 5d101654226d64ac0a6928019fbf476b46e9d14b (diff) | |
mm: add arch hook to validate mmap() prot flags
Add a hook to permit architectures to perform validation on the prot
flags passed to mmap(), like arch_validate_prot() does for mprotect().
This will be used by arm64 to reject PROT_WRITE+PROT_EXEC mappings on
configurations that run with WXN enabled.
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20240214122845.2033971-87-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions