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Add a couple simple hardening options #569

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Add a couple simple hardening options #569

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6 changes: 5 additions & 1 deletion config-qubes
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,10 @@ CONFIG_GCC_PLUGINS=y
CONFIG_GCC_PLUGIN_LATENT_ENTROPY=y
CONFIG_GCC_PLUGIN_STRUCTLEAK=y
CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL=y
## XXX: What's about RANDSTRUCT?
## CONFIG_ZERO_CALL_USED_REGS=y requires too new a toolchain
# CONFIG_SLUB_DEBUG_ON is not set
## XXX: What's about RANDSTRUCT? Answer: not useful against attacks targeting
## Qubes, useful against generic attacks

## Those depend on CONFIG_EXPERT
CONFIG_ARCH_MMAP_RND_BITS=32
Expand All @@ -40,6 +43,7 @@ CONFIG_ARCH_MMAP_RND_COMPAT_BITS=16
# CONFIG_KEXEC is not set

CONFIG_LEGACY_VSYSCALL_NONE=y
# CONFIG_MODIFY_LDT_SYSCALL is not set

# CONFIG_ACPI_CUSTOM_METHOD is not set

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