Commit 2895db67 authored Dec 01, 2017 by Jim Mattson Committed by Radim Krčmář Dec 05, 2017

KVM: VMX: fix page leak in hardware_setup()



vmx_io_bitmap_b should not be allocated twice.

Fixes: 23611332 ("KVM: VMX: refactor setup of global page-sized bitmaps")
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

parent d59d51f0

arch/x86/kvm/vmx.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -6751,7 +6751,6 @@ static __init int hardware_setup(void)
	goto out;		goto out;
	}		}

	vmx_io_bitmap_b = (unsigned long *)__get_free_page(GFP_KERNEL);
	memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);		memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
	memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);		memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);