Daniel Axtens 0609ae011d x86/kasan: support KASAN_VMALLOC ...

In the case where KASAN directly allocates memory to back vmalloc space,
don't map the early shadow page over it.

We prepopulate pgds/p4ds for the range that would otherwise be empty.
This is required to get it synced to hardware on boot, allowing the
lower levels of the page tables to be filled dynamically.

Link: http://lkml.kernel.org/r/20191031093909.9228-5-dja@axtens.net
Signed-off-by: Daniel Axtens <dja@axtens.net>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2019-12-01 12:59:06 -08:00

..

alpha

Merge tag 'ioremap-5.5' of git://git.infradead.org/users/hch/ioremap

2019-11-28 10:57:12 -08:00

arc

ARC: mm: remove __ARCH_USE_5LEVEL_HACK

2019-12-01 06:29:19 -08:00

arm

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

arm64

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

c6x

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

csky

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

h8300

h8300: Move EXCEPTION_TABLE to RO_DATA segment

2019-11-04 18:12:55 +01:00

hexagon

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

ia64

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

m68k

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

microblaze

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

mips

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

nds32

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

nios2

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

openrisc

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

parisc

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

powerpc

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

riscv

Merge tag 'ioremap-5.5' of git://git.infradead.org/users/hch/ioremap

2019-11-28 10:57:12 -08:00

s390

Merge tag 'ioremap-5.5' of git://git.infradead.org/users/hch/ioremap

2019-11-28 10:57:12 -08:00

sh

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

sparc

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

um

Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2019-11-26 10:42:40 -08:00

unicore32

Merge tag 'ioremap-5.5' of git://git.infradead.org/users/hch/ioremap

2019-11-28 10:57:12 -08:00

x86

x86/kasan: support KASAN_VMALLOC

2019-12-01 12:59:06 -08:00

xtensa

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping

2019-11-28 11:16:43 -08:00

.gitignore

…

Kconfig

fork: support VMAP_STACK with KASAN_VMALLOC

2019-12-01 12:59:05 -08:00