[PATCH v2 0/4] basic KASAN support for Xen PV domains

From: Sergey Dyasli
Date: Fri Jan 17 2020 - 07:58:52 EST


This series allows to boot and run Xen PV kernels (Dom0 and DomU) with
CONFIG_KASAN=y. It has been used internally for some time now with good
results for finding memory corruption issues in Dom0 kernel.

Only Outline instrumentation is supported at the moment.

Sergey Dyasli (2):
kasan: introduce set_pmd_early_shadow()
x86/xen: add basic KASAN support for PV kernel

Ross Lagerwall (2):
xen: teach KASAN about grant tables
xen/netback: fix grant copy across page boundary

arch/x86/mm/kasan_init_64.c | 12 +++++++
arch/x86/xen/Makefile | 7 ++++
arch/x86/xen/enlighten_pv.c | 3 ++
arch/x86/xen/mmu_pv.c | 38 ++++++++++++++++++++
drivers/net/xen-netback/common.h | 2 +-
drivers/net/xen-netback/netback.c | 60 +++++++++++++++++++++++++------
drivers/xen/Makefile | 2 ++
drivers/xen/grant-table.c | 5 ++-
include/xen/xen-ops.h | 10 ++++++
kernel/Makefile | 2 ++
lib/Kconfig.kasan | 3 +-
mm/kasan/init.c | 32 ++++++++++++-----
12 files changed, 154 insertions(+), 22 deletions(-)

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2.17.1