The tp_new implementation should initialize the errorhandler field,
otherwise this code could segfault:
from socket import socket
s = socket.__new__(socket)
s.recv(100)
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 21fcab0..1874541 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1690,8 +1690,10 @@
PyObject *new;
new = type->tp_alloc(type, 0);
- if (new != NULL)
+ if (new != NULL) {
((PySocketSockObject *)new)->sock_fd = -1;
+ ((PySocketSockObject *)new)->errorhandler = &PySocket_Err;
+ }
return new;
}