Commit-ID: 0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Gitweb: https://git.kernel.org/tip/0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Author: Kees Cook <keesc...@chromium.org> AuthorDate: Fri, 1 Dec 2017 12:10:00 -0800 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Mon, 11 Dec 2017 18:41:26 +0100
Kconfig: Make STRICT_DEVMEM default-y on x86 and arm64 Distros have been shipping with CONFIG_STRICT_DEVMEM=y for years now. It is probably time to flip this default for x86 and arm64. Signed-off-by: Kees Cook <keesc...@chromium.org> Acked-by: Laura Abbott <labb...@redhat.com> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Mark Rutland <mark.rutl...@arm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Will Deacon <will.dea...@arm.com> Cc: kernel-harden...@lists.openwall.com Link: http://lkml.kernel.org/r/20171201201000.GA44539@beast Signed-off-by: Ingo Molnar <mi...@kernel.org> --- lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 947d3e2..39b123d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1985,7 +1985,7 @@ config STRICT_DEVMEM bool "Filter access to /dev/mem" depends on MMU && DEVMEM depends on ARCH_HAS_DEVMEM_IS_ALLOWED - default y if TILE || PPC + default y if TILE || PPC || X86 || ARM64 ---help--- If this option is disabled, you allow userspace (root) access to all of memory, including kernel and userspace memory. Accidental
