[Pkg-xen-changes] [xen] 67/70: xenoprof: free domain's vcpu array

[Ian James Campbell]

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ijc pushed a commit to branch feature/bug805508
in repository xen.

commit 620a2073cad64876c89720252c333d5a048725a8
Author: Jan Beulich <jbeulich at suse.com>
Date:   Thu Oct 29 13:51:24 2015 +0100

    xenoprof: free domain's vcpu array
    
    This was overlooked in fb442e2171 ("x86_64: allow more vCPU-s per
    guest").
    
    This is CVE-2015-7969 / XSA-151.
    
    Signed-off-by: Jan Beulich <jbeulich at suse.com>
    Reviewed-by: Ian Campbell <ian.campbell at citrix.com>
    master commit: 6e97c4b37386c2d09e09e9b5d5d232e37728b960
    master date: 2015-10-29 13:36:52 +0100
    
    (cherry picked from commit 429f0cd270851462783fc6d56d6bae9cbb40bdca)
    
    Patch-Name: CVE-2015-7969.1.diff
---
 xen/common/xenoprof.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/common/xenoprof.c b/xen/common/xenoprof.c
index 1061323..53a803a 100644
--- a/xen/common/xenoprof.c
+++ b/xen/common/xenoprof.c
@@ -239,6 +239,7 @@ static int alloc_xenoprof_struct(
     d->xenoprof->rawbuf = alloc_xenheap_pages(get_order_from_pages(npages), 0);
     if ( d->xenoprof->rawbuf == NULL )
     {
+        xfree(d->xenoprof->vcpu);
         xfree(d->xenoprof);
         d->xenoprof = NULL;
         return -ENOMEM;
@@ -286,6 +287,7 @@ void free_xenoprof_pages(struct domain *d)
         free_xenheap_pages(x->rawbuf, order);
     }
 
+    xfree(x->vcpu);
     xfree(x);
     d->xenoprof = NULL;
 }

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