[Xen-changelog] [xen-unstable] xm: Fix xm vcpu-pin to complain for CPU numbers out of range.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1203529332 0
# Node ID 511ab2b89ced1e190c6c76139b60049b69be69ef
# Parent  6757307d1adc02957564dcc9b4eddad9178234df
xm: Fix xm vcpu-pin to complain for CPU numbers out of range.
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
 tools/python/xen/lowlevel/xc/xc.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletion(-)

diff -r 6757307d1adc -r 511ab2b89ced tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Wed Feb 20 17:38:19 2008 +0000
+++ b/tools/python/xen/lowlevel/xc/xc.c Wed Feb 20 17:42:12 2008 +0000
@@ -227,7 +227,16 @@ static PyObject *pyxc_vcpu_setaffinity(X
     {
         cpumap = 0ULL;
         for ( i = 0; i < PyList_Size(cpulist); i++ ) 
-            cpumap |= (uint64_t)1 << PyInt_AsLong(PyList_GetItem(cpulist, i));
+        {
+            long cpu = PyInt_AsLong(PyList_GetItem(cpulist, i));
+            if ( cpu >= 64 )
+            {
+                errno = EINVAL;
+                PyErr_SetFromErrno(xc_error_obj);
+                return NULL;
+            }
+            cpumap |= (uint64_t)1 << cpu;
+        }
     }
   
     if ( xc_vcpu_setaffinity(self->xc_handle, dom, vcpu, cpumap) != 0 )

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