[0/5,v4] KVM: nSVM: Check addresses of MSR bitmap and IO bitmap tables on vmrun of nested guests

Message

Krish Sadhukhan March 24, 2021, 5:50 p.m. UTC

v3 -> v4:
	1. There were some issues with the checks added in
	   nested_vmcb_check_controls() in patch# 2. Those are fixed. Also,
	   instead of using page_address_valid() for the checks, a new
	   function is now used. The new function doesn't check for alignment
	   of the addresses of intercept tables.
	2. In patch# 4, the tests for alignment of the addresses of intercept
	   tables, have been removed.


[PATCH 1/5 v4] KVM: SVM: Move IOPM_ALLOC_ORDER and MSRPM_ALLOC_ORDER
[PATCH 2/5 v4] KVM: nSVM: Check addresses of MSR and IO permission maps
[PATCH 3/5 v4] KVM: nSVM: Cleanup in nested_svm_vmrun()
[PATCH 4/5 v4] nSVM: Test addresses of MSR and IO permissions maps
[PATCH 5/5 v4] SVM: Use ALIGN macro when aligning 'io_bitmap_area'

 arch/x86/kvm/svm/nested.c | 59 +++++++++++++++++++++++++++++------------------
 arch/x86/kvm/svm/svm.c    |  3 ---
 arch/x86/kvm/svm/svm.h    |  3 +++
 3 files changed, 40 insertions(+), 25 deletions(-)

Krish Sadhukhan (3):
      KVM: SVM: Move IOPM_ALLOC_ORDER and MSRPM_ALLOC_ORDER #defines to svm.h
      nSVM: Check addresses of MSR and IO permission maps
      KVM: nSVM: Cleanup in nested_svm_vmrun()

 x86/svm.c       |  2 +-
 x86/svm_tests.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

Krish Sadhukhan (2):
      nSVM: Test addresses of MSR and IO permissions maps
      SVM: Use ALIGN macro when aligning 'io_bitmap_area'