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

Message

Sergey Dyasli Jan. 17, 2020, 12:58 p.m. UTC

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(-)