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bpo-36139: Fix mmap_object_dealloc(): hold the GIL to call PyMem_Free() (GH-12199)

This commit is contained in:
Davide Rizzo 2019-03-06 18:08:31 +01:00 committed by Victor Stinner
parent edad38e3e0
commit dc078947a5
1 changed files with 4 additions and 2 deletions
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6
Modules/mmapmodule.c
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@ -117,26 +117,28 @@ typedef struct {
static void
mmap_object_dealloc(mmap_object *m_obj)
{
Py_BEGIN_ALLOW_THREADS
#ifdef MS_WINDOWS
Py_BEGIN_ALLOW_THREADS
if (m_obj->data != NULL)
UnmapViewOfFile (m_obj->data);
if (m_obj->map_handle != NULL)
CloseHandle (m_obj->map_handle);
if (m_obj->file_handle != INVALID_HANDLE_VALUE)
CloseHandle (m_obj->file_handle);
Py_END_ALLOW_THREADS
if (m_obj->tagname)
PyMem_Free(m_obj->tagname);
#endif /* MS_WINDOWS */
#ifdef UNIX
Py_BEGIN_ALLOW_THREADS
if (m_obj->fd >= 0)
(void) close(m_obj->fd);
if (m_obj->data!=NULL) {
munmap(m_obj->data, m_obj->size);
}
#endif /* UNIX */
Py_END_ALLOW_THREADS
#endif /* UNIX */
if (m_obj->weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) m_obj);