[Xen-changelog] [xen master] xsm/flask: correct off-by-one in flask_security_avc_cachestats cpu id check

[patchbot@xxxxxxx]

commit 2e1cba2da4631c5cd7218a8f30d521dce0f41370
Author:     Matthew Daley <mattd@xxxxxxxxxxx>
AuthorDate: Thu Feb 6 16:42:36 2014 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Feb 6 16:42:36 2014 +0100

    xsm/flask: correct off-by-one in flask_security_avc_cachestats cpu id check
    
    This is XSA-85.
    
    Signed-off-by: Matthew Daley <mattd@xxxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/xsm/flask/flask_op.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/xsm/flask/flask_op.c b/xen/xsm/flask/flask_op.c
index f8deb37..4b93e71 100644
--- a/xen/xsm/flask/flask_op.c
+++ b/xen/xsm/flask/flask_op.c
@@ -464,7 +464,7 @@ static int flask_security_avc_cachestats(struct 
xen_flask_cache_stats *arg)
 {
     struct avc_cache_stats *st;
 
-    if ( arg->cpu > nr_cpu_ids )
+    if ( arg->cpu >= nr_cpu_ids )
         return -ENOENT;
     if ( !cpu_online(arg->cpu) )
         return -ENOENT;
--
generated by git-patchbot for /home/xen/git/xen.git#master

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