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authorEric Wieser <wieser.eric@gmail.com>2018-09-26 23:01:30 -0700
committerGitHub <noreply@github.com>2018-09-26 23:01:30 -0700
commitd382a5462ebd27af90d6eae74e7b9e2136febd41 (patch)
tree45e6707b6843a01f9c150235944227dc208bae8b
parentfe1c1fbac3dbd0d314b96ad95447e370dceae079 (diff)
parentdf68e6485e8a9cedb784293ca5d704aba0cf3dbc (diff)
downloadnumpy-d382a5462ebd27af90d6eae74e7b9e2136febd41.tar.gz
Merge pull request #12032 from mattip/choose-crash
BUG: check return value from PyArray_PromoteTypes
-rw-r--r--numpy/core/src/multiarray/convert_datatype.c19
-rw-r--r--numpy/core/tests/test_multiarray.py4
2 files changed, 17 insertions, 6 deletions
diff --git a/numpy/core/src/multiarray/convert_datatype.c b/numpy/core/src/multiarray/convert_datatype.c
index 3df764a48..33a706412 100644
--- a/numpy/core/src/multiarray/convert_datatype.c
+++ b/numpy/core/src/multiarray/convert_datatype.c
@@ -2028,7 +2028,6 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
{
int i, n, allscalars = 0;
PyArrayObject **mps = NULL;
- PyObject *otmp;
PyArray_Descr *intype = NULL, *stype = NULL;
PyArray_Descr *newtype = NULL;
NPY_SCALARKIND scalarkind = NPY_NOSCALAR, intypekind = NPY_NOSCALAR;
@@ -2067,9 +2066,13 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
}
for (i = 0; i < n; i++) {
- otmp = PySequence_GetItem(op, i);
+ PyObject *otmp = PySequence_GetItem(op, i);
+ if (otmp == NULL) {
+ goto fail;
+ }
if (!PyArray_CheckAnyScalar(otmp)) {
newtype = PyArray_DescrFromObject(otmp, intype);
+ Py_DECREF(otmp);
Py_XDECREF(intype);
if (newtype == NULL) {
goto fail;
@@ -2079,6 +2082,7 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
}
else {
newtype = PyArray_DescrFromObject(otmp, stype);
+ Py_DECREF(otmp);
Py_XDECREF(stype);
if (newtype == NULL) {
goto fail;
@@ -2088,7 +2092,6 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
mps[i] = (PyArrayObject *)Py_None;
Py_INCREF(Py_None);
}
- Py_XDECREF(otmp);
}
if (intype == NULL) {
/* all scalars */
@@ -2112,6 +2115,9 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
newtype = PyArray_PromoteTypes(intype, stype);
Py_XDECREF(intype);
intype = newtype;
+ if (newtype == NULL) {
+ goto fail;
+ }
}
for (i = 0; i < n; i++) {
Py_XDECREF(mps[i]);
@@ -2123,8 +2129,9 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
/* Make sure all arrays are actual array objects. */
for (i = 0; i < n; i++) {
int flags = NPY_ARRAY_CARRAY;
+ PyObject *otmp = PySequence_GetItem(op, i);
- if ((otmp = PySequence_GetItem(op, i)) == NULL) {
+ if (otmp == NULL) {
goto fail;
}
if (!allscalars && ((PyObject *)(mps[i]) == Py_None)) {
@@ -2133,8 +2140,8 @@ PyArray_ConvertToCommonType(PyObject *op, int *retn)
Py_DECREF(Py_None);
}
Py_INCREF(intype);
- mps[i] = (PyArrayObject*)
- PyArray_FromAny(otmp, intype, 0, 0, flags, NULL);
+ mps[i] = (PyArrayObject*)PyArray_FromAny(otmp, intype, 0, 0,
+ flags, NULL);
Py_DECREF(otmp);
if (mps[i] == NULL) {
goto fail;
diff --git a/numpy/core/tests/test_multiarray.py b/numpy/core/tests/test_multiarray.py
index 277f64a5d..6fbdb7c6c 100644
--- a/numpy/core/tests/test_multiarray.py
+++ b/numpy/core/tests/test_multiarray.py
@@ -1416,6 +1416,10 @@ class TestMethods(object):
A = ind.choose((x, y2))
assert_equal(A, [[2, 2, 3], [2, 2, 3]])
+ oned = np.ones(1)
+ # gh-12031, caused SEGFAULT
+ assert_raises(TypeError, oned.choose,np.void(0), [oned])
+
def test_prod(self):
ba = [1, 2, 10, 11, 6, 5, 4]
ba2 = [[1, 2, 3, 4], [5, 6, 7, 9], [10, 3, 4, 5]]