diff options
| author | Jim Mattson <jmattson@google.com> | 2020-05-11 15:56:16 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-20 08:11:56 +0200 |
| commit | 4143cea5997307539e2359f2c552f61f17ce6091 (patch) | |
| tree | 62cfb3a0a4a382d1026d07a6d80e22d199cb4acb /include/linux/compiler.h | |
| parent | 07fbc97743b9db0fac694adcecb22ce57f66e79c (diff) | |
KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce
commit c4e0e4ab4cf3ec2b3f0b628ead108d677644ebd9 upstream.
Bank_num is a one-based count of banks, not a zero-based index. It
overflows the allocated space only when strictly greater than
KVM_MAX_MCE_BANKS.
Fixes: a9e38c3e01ad ("KVM: x86: Catch potential overrun in MCE setup")
Signed-off-by: Jue Wang <juew@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Message-Id: <20200511225616.19557-1-jmattson@google.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/compiler.h')
0 files changed, 0 insertions, 0 deletions