Stop 0x00000050 in Tcpip.sys Caused by Winsock Applications

ID: Q164352

The information in this article applies to:

Microsoft Windows NT Workstation version 4.0
Microsoft Windows NT Server version 4.0

SYMPTOMS

A Winsock application may cause a Stop 0x00000050 PAGE_FAULT_IN_NONPAGED_AREA error in Afd.sys.

CAUSE

The application passes a socket address length that is larger than the maximum socket address length in the TDI buffer in Afd.sys. The socket address data that goes beyond the MaxSockaddrLength overwrites the stack.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt ndis

Keywords : kbnetwork kbbug4.00 kbfix4.00 kbAPI kbSDKPlatform kbWinsock ntprotocol kbfix4.00.sp2 NTSrvWkst kbGrpNet
Version : 4.0
Platform : winnt
Issue type : kbbug