Patch "KVM: VMX: fix page leak in hardware_setup()" has been added to the 4.14-stable tree

Patch "KVM: VMX: fix page leak in hardware_setup()" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    KVM: VMX: fix page leak in hardware_setup()

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     kvm-vmx-fix-page-leak-in-hardware_setup.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Fri Feb 23 11:45:09 CET 2018
From: Jim Mattson <jmattson@google.com>
Date: Fri, 1 Dec 2017 09:57:56 -0800
Subject: KVM: VMX: fix page leak in hardware_setup()

From: Jim Mattson <jmattson@google.com>


[ Upstream commit 2895db67b01cb875457c9c3f30a14723b6b5dfd5 ]

vmx_io_bitmap_b should not be allocated twice.

Fixes: 23611332938d ("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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/x86/kvm/vmx.c |    1 -
 1 file changed, 1 deletion(-)

--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6950,7 +6950,6 @@ static __init int hardware_setup(void)
 			goto out;
 	}
 
-	vmx_io_bitmap_b = (unsigned long *)__get_free_page(GFP_KERNEL);
 	memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
 	memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);
 


Patches currently in stable-queue which might be from jmattson@google.com are

queue-4.14/kvm-x86-check-input-paging-mode-when-cs.l-is-set.patch
queue-4.14/kvm-vmx-fix-page-leak-in-hardware_setup.patch