diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/python/xen/lowlevel/xc/xc.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c index 305138bd70..a52b0b036f 100644 --- a/tools/python/xen/lowlevel/xc/xc.c +++ b/tools/python/xen/lowlevel/xc/xc.c @@ -227,7 +227,16 @@ static PyObject *pyxc_vcpu_setaffinity(XcObject *self, { 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 ) |