Commit-ID: 0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Gitweb: https://git.kernel.org/tip/0f7cda2b824bb2afe0d75716a8664117fa03f5e0 Author: Kees Cook <keescook@xxxxxxxxxxxx> AuthorDate: Fri, 1 Dec 2017 12:10:00 -0800 Committer: Ingo Molnar <mingo@xxxxxxxxxx> 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 <keescook@xxxxxxxxxxxx> Acked-by: Laura Abbott <labbott@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Cc: kernel-hardening@xxxxxxxxxxxxxxxxxx Link: http://lkml.kernel.org/r/20171201201000.GA44539@beast Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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