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040000 tree 719448c383a1edfef252986542f3fc0fcaecede2	obj_validation
040000 tree f877bca9e6674b81abb14da74be9c9ef39de807b	protection
040000 tree 58eba777f71c31a3c57cab7314b8e22a471440ba	stackprot
040000 tree 19c16cae12ca738e3dfc3414ad3aeb5fb54bc59d	userspace
040000 tree 6d855abff219bfea038a7c30fa57e105ac1244ed	x86_mmu_api