[Xen-changelog] [xen stable-4.4] xen: arm: initialise the grant_table_gpfn array on allocation

[patchbot@xxxxxxx]

commit 7aedb244ed6ca3180849fe4a04136a2b10151327
Author:     Ian Campbell <ian.campbell@xxxxxxxxxx>
AuthorDate: Wed Jun 25 13:58:59 2014 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Wed Jun 25 13:59:33 2014 +0100

    xen: arm: initialise the grant_table_gpfn array on allocation
    
    Avoids leaking uninitialised memory via the grant table setup hypercall.
    
    This is XSA-101.
    
    Reported-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/domain.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index c0c5af3..67de12a 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -394,7 +394,7 @@ struct domain *alloc_domain_struct(void)
         return NULL;
 
     clear_page(d);
-    d->arch.grant_table_gpfn = xmalloc_array(xen_pfn_t, max_nr_grant_frames);
+    d->arch.grant_table_gpfn = xzalloc_array(xen_pfn_t, max_nr_grant_frames);
     return d;
 }
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.4

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