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‎Misc/NEWS.d/next/Library/2026-06-27-17-19-09.gh-issue-151126.huUyOM.rst‎
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‎Misc/NEWS.d/next/Library/2026-06-27-17-19-09.gh-issue-151126.huUyOM.rst‎
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‎Modules/_tkinter.c‎
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‎Modules/_tkinter.c‎
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+1-1Lines changed: 1 addition & 1 deletion
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‎Modules/socketmodule.c‎
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‎Modules/socketmodule.c‎
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@@ -0,0 +1,2 @@
+Fix two crashes in :mod:`tkinter` and :mod:`socket` modules initialization
+under a memory pressure. Sets missing :exc:`MemoryError`.
@@ -3574,7 +3574,7 @@ PyInit__tkinter(void)
 
     tcl_lock = PyThread_allocate_lock();
     if (tcl_lock == NULL)
-        return NULL;
+        return PyErr_NoMemory();
 
     m = PyModule_Create(&_tkintermodule);
     if (m == NULL)
 
@@ -9296,6 +9296,7 @@ socket_exec(PyObject *m)
 #if defined(USE_GETHOSTBYNAME_LOCK)
     netdb_lock = PyThread_allocate_lock();
     if (netdb_lock == NULL) {
+        PyErr_NoMemory();
         goto error;
     }
 #endif
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix two crashes in :mod:`tkinter` and :mod:`socket` modules initialization
	`2`	+under a memory pressure. Sets missing :exc:`MemoryError`.
Original file line number	Diff line number	Diff line change
`@@ -9296,6 +9296,7 @@ socket_exec(PyObject *m)`
`9296`	`9296`	`#if defined(USE_GETHOSTBYNAME_LOCK)`
`9297`	`9297`	`netdb_lock = PyThread_allocate_lock();`
`9298`	`9298`	`if (netdb_lock == NULL) {`
	`9299`	`+ PyErr_NoMemory();`
`9299`	`9300`	`goto error;`
`9300`	`9301`	`}`
`9301`	`9302`	`#endif`