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

[patchbot@xxxxxxx]

commit 9cf5ff44a38b36a316b506758dbf6887de0e4a56
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 14:00:02 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 e20ba0b..437885d 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#master

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