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author | Kees Cook <keescook@chromium.org> | 2016-07-13 01:19:48 +0200 |
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committer | Kees Cook <keescook@chromium.org> | 2016-07-26 23:41:47 +0200 |
commit | 0f60a8efe4005ab5e65ce000724b04d4ca04a199 (patch) | |
tree | a71bc07c426721394f3156318b2220d8f6299c07 /arch/x86/Kconfig | |
parent | mm: Add is_migrate_cma_page (diff) | |
download | linux-0f60a8efe4005ab5e65ce000724b04d4ca04a199.tar.xz linux-0f60a8efe4005ab5e65ce000724b04d4ca04a199.zip |
mm: Implement stack frame object validation
This creates per-architecture function arch_within_stack_frames() that
should validate if a given object is contained by a kernel stack frame.
Initial implementation is on x86.
This is based on code from PaX.
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d9a94da0c29f..a2865ddfc1ff 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -91,6 +91,7 @@ config X86 select HAVE_ARCH_SOFT_DIRTY if X86_64 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE + select HAVE_ARCH_WITHIN_STACK_FRAMES select HAVE_EBPF_JIT if X86_64 select HAVE_CC_STACKPROTECTOR select HAVE_CMPXCHG_DOUBLE |