gitweb.dragonflybsd.org Git - dragonfly.git/commit

author	Matthew Dillon <dillon@apollo.backplane.com>
	Mon, 3 Apr 2017 20:38:56 +0000 (13:38 -0700)
committer	Matthew Dillon <dillon@apollo.backplane.com>
	Mon, 3 Apr 2017 20:38:56 +0000 (13:38 -0700)
commit	3e925ec29b07a64bb2cfc9ef3dc9731b223b7d28
tree	a54d08ab412244cbf7b12d22e812ec912f5aac64	tree \| snapshot
parent	2c7152a8069955e338590100b4acabc0725b328c	commit \| diff

kernel - Implement NX

* Implement the NX (no-execute) pmap bit.

* Shift sigtramp down to a page-bound and protect it prot|VM_PROT_EXECUTE.

* Map the rest of the user stack VM_PROT_READ|VM_PROT_WRITE without
VM_PROT_EXECUTE.

DragonFly Project Source

RSS Atom

sys/kern/kern_exec.c		diff \| blob \| blame \| history
sys/kern/kern_proc.c		diff \| blob \| blame \| history
sys/platform/pc64/include/pmap.h		diff \| blob \| blame \| history
sys/platform/pc64/vmm/ept.c		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/machdep.c		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/pmap.c		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/sigtramp.s		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/trap.c		diff \| blob \| blame \| history
sys/platform/vkernel64/x86_64/cpu_regs.c		diff \| blob \| blame \| history