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HAVE_ARCH_HARDENED_USERCOPY is unconditional now

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-04-05 19:17:18 -04:00
parent 701cac61d0
commit 2fefc97b21
10 changed files with 0 additions and 18 deletions
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1
arch/arm/Kconfig
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@ -41,7 +41,6 @@ config ARM
select HARDIRQS_SW_RESEND select HARDIRQS_SW_RESEND
select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT) select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT)
select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6 select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_MMAP_RND_BITS if MMU

1
arch/arm64/Kconfig
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@ -60,7 +60,6 @@ config ARM64
select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_BITREVERSE select HAVE_ARCH_BITREVERSE
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_HUGE_VMAP
select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48) select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48)

1
arch/ia64/Kconfig
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@ -52,7 +52,6 @@ config IA64
select MODULES_USE_ELF_RELA select MODULES_USE_ELF_RELA
select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HARDENED_USERCOPY
default y default y
help help
The Itanium Processor Family is Intel's 64-bit successor to The Itanium Processor Family is Intel's 64-bit successor to

1
arch/mips/Kconfig
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@ -68,7 +68,6 @@ config MIPS
select HANDLE_DOMAIN_IRQ select HANDLE_DOMAIN_IRQ
select HAVE_EXIT_THREAD select HAVE_EXIT_THREAD
select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_ARCH_HARDENED_USERCOPY
menu "Machine selection" menu "Machine selection"

1
arch/parisc/Kconfig
View file

@ -26,7 +26,6 @@ config PARISC
select SYSCTL_ARCH_UNALIGN_ALLOW select SYSCTL_ARCH_UNALIGN_ALLOW
select SYSCTL_EXCEPTION_TRACE select SYSCTL_EXCEPTION_TRACE
select HAVE_MOD_ARCH_SPECIFIC select HAVE_MOD_ARCH_SPECIFIC
select HAVE_ARCH_HARDENED_USERCOPY
select VIRT_TO_BUS select VIRT_TO_BUS
select MODULES_USE_ELF_RELA select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS select CLONE_BACKWARDS

1
arch/powerpc/Kconfig
View file

@ -117,7 +117,6 @@ config PPC
select GENERIC_STRNLEN_USER select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL_OLD select GENERIC_TIME_VSYSCALL_OLD
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KGDB select HAVE_ARCH_KGDB
select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_SECCOMP_FILTER

1
arch/s390/Kconfig
View file

@ -124,7 +124,6 @@ config S390
select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_EARLY_PFN_TO_NID select HAVE_ARCH_EARLY_PFN_TO_NID
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL
select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES
select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_SECCOMP_FILTER

1
arch/sparc/Kconfig
View file

@ -42,7 +42,6 @@ config SPARC
select OLD_SIGSUSPEND select OLD_SIGSUSPEND
select ARCH_HAS_SG_CHAIN select ARCH_HAS_SG_CHAIN
select CPU_NO_EFFICIENT_FFS select CPU_NO_EFFICIENT_FFS
select HAVE_ARCH_HARDENED_USERCOPY
select PROVE_LOCKING_SMALL if PROVE_LOCKING select PROVE_LOCKING_SMALL if PROVE_LOCKING
select ARCH_WANT_RELAX_ORDER select ARCH_WANT_RELAX_ORDER

1
arch/x86/Kconfig
View file

@ -98,7 +98,6 @@ config X86
select HAVE_ACPI_APEI_NMI if ACPI select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE
select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KASAN if X86_64 && SPARSEMEM_VMEMMAP select HAVE_ARCH_KASAN if X86_64 && SPARSEMEM_VMEMMAP

9
security/Kconfig
View file

@ -125,17 +125,8 @@ config HAVE_HARDENED_USERCOPY_ALLOCATOR
validating memory ranges against heap object sizes in validating memory ranges against heap object sizes in
support of CONFIG_HARDENED_USERCOPY. support of CONFIG_HARDENED_USERCOPY.
config HAVE_ARCH_HARDENED_USERCOPY
bool
help
The architecture supports CONFIG_HARDENED_USERCOPY by
calling check_object_size() just before performing the
userspace copies in the low level implementation of
copy_to_user() and copy_from_user().
config HARDENED_USERCOPY config HARDENED_USERCOPY
bool "Harden memory copies between kernel and userspace" bool "Harden memory copies between kernel and userspace"
depends on HAVE_ARCH_HARDENED_USERCOPY
depends on HAVE_HARDENED_USERCOPY_ALLOCATOR depends on HAVE_HARDENED_USERCOPY_ALLOCATOR
select BUG select BUG
help help