-
由 Laura Abbott 提交于
Page mappings with full RWX permissions are a security risk. x86 has an option to walk the page tables and dump any bad pages. (See e1a58320 ("x86/mm: Warn on W^X mappings")). Add a similar implementation for arm64. Reviewed-by: NKees Cook <keescook@chromium.org> Reviewed-by: NMark Rutland <mark.rutland@arm.com> Tested-by: NMark Rutland <mark.rutland@arm.com> Signed-off-by: NLaura Abbott <labbott@redhat.com> Reviewed-by: NArd Biesheuvel <ard.biesheuvel@linaro.org> [catalin.marinas@arm.com: folded fix for KASan out of bounds from Mark Rutland] Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
1404d6f1