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Kees Cook 6e0d6ac5f3 arm64/elf: Disable automatic READ_IMPLIES_EXEC for 64-bit address spaces 
With arm64 64-bit environments, there should never be a need for automatic
READ_IMPLIES_EXEC, as the architecture has always been execute-bit aware
(as in, the default memory protection should be NX unless a region
explicitly requests to be executable).

Suggested-by: Hector Marco-Gisbert <hecmargi@upv.es>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lkml.kernel.org/r/20200327064820.12602-7-keescook@chromium.org
 		2020-04-20 19:44:27 +02:00
..
alpha mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
arc mm/vma: define a default value for VM_DATA_DEFAULT_FLAGS 2020-04-10 15:36:21 -07:00
arm arm32/64/elf: Split READ_IMPLIES_EXEC from executable PT_GNU_STACK 2020-04-20 19:42:19 +02:00
arm64 arm64/elf: Disable automatic READ_IMPLIES_EXEC for 64-bit address spaces 2020-04-20 19:44:27 +02:00
c6x mm/vma: define a default value for VM_DATA_DEFAULT_FLAGS 2020-04-10 15:36:21 -07:00
csky mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
h8300 Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
hexagon mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
ia64 mm/memory_hotplug: add pgprot_t to mhp_params 2020-04-10 15:36:21 -07:00
m68k m68k: Drop redundant generic-y += hardirq.h 2020-04-13 11:08:52 -07:00
microblaze mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
mips Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
nds32 mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
nios2 nios2 update for v5.7-rc1 2020-04-11 11:38:44 -07:00
openrisc mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
parisc mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
powerpc mm/memory_hotplug: add pgprot_t to mhp_params 2020-04-10 15:36:21 -07:00
riscv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
s390 Merge branch 'akpm' (patches from Andrew) 2020-04-10 17:57:48 -07:00
sh Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
sparc mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
um mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
unicore32 mm/special: create generic fallbacks for pte_special() and pte_mkspecial() 2020-04-10 15:36:21 -07:00
x86 x86/elf: Disable automatic READ_IMPLIES_EXEC on 64-bit 2020-04-20 19:24:33 +02:00
xtensa Merge branch 'akpm' (patches from Andrew) 2020-04-10 17:57:48 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Kconfig dma-mapping updates for 5.7 2020-04-04 10:12:47 -07:00