From b95f468e9e85a98bd2bc4d817f5c1a8451fa928b Mon Sep 17 00:00:00 2001
From: "Teppei.F" <37261985+T3pp31@users.noreply.github.com>
Date: Mon, 18 Aug 2025 08:14:14 +0900
Subject: [PATCH 1/2] Update native.py

---
 scapy/arch/windows/native.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scapy/arch/windows/native.py b/scapy/arch/windows/native.py
index 61cfa8beb8a..b2b457da615 100644
--- a/scapy/arch/windows/native.py
+++ b/scapy/arch/windows/native.py
@@ -222,7 +222,7 @@ def recv_raw(self, x=MTU):
 
     def close(self):
         # type: () -> None
-        if not self.closed and self.promisc:
+        if not self.closed and self.promisc and hasattr(self, 'ins'):
             self.ins.ioctl(socket.SIO_RCVALL, socket.RCVALL_OFF)
         super(L3WinSocket, self).close()
 

From 5b1c1751243467c4ceeb231c5749711fd9494799 Mon Sep 17 00:00:00 2001
From: "Teppei.F" <37261985+T3pp31@users.noreply.github.com>
Date: Mon, 18 Aug 2025 08:19:29 +0900
Subject: [PATCH 2/2] Add test for L3WinSocket.close() with partial init

Introduces a test to ensure L3WinSocket.close() does not raise AttributeError when called on a partially initialized object. This improves robustness by verifying correct handling of incomplete initialization.
---
 test/windows.uts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/test/windows.uts b/test/windows.uts
index 59202833331..394376be0c2 100644
--- a/test/windows.uts
+++ b/test/windows.uts
@@ -117,6 +117,27 @@ def _test():
 
 retry_test(_test)
 
+= Test L3WinSocket close() with partial initialization
+~ windows
+
+from scapy.arch.windows.native import L3WinSocket
+import socket
+
+# Create partially initialized L3WinSocket
+ws = object.__new__(L3WinSocket)
+ws.closed = False
+ws.promisc = True
+# Note: ws.ins is intentionally not set
+
+# This should not raise AttributeError
+try:
+    ws.close()
+    test_passed = True
+except AttributeError:
+    test_passed = False
+
+assert test_passed, "L3WinSocket.close() raised AttributeError on partially initialized object"
+
 = Leave native mode
 
 conf.use_pcap = True