[Bug 55203] New: ws2_32:sock - test_AcceptEx() sometimes gets WSAEWOULDBLOCK and times out on Windows 10

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55203

Bug ID: 55203
           Summary: ws2_32:sock - test_AcceptEx() sometimes gets
                    WSAEWOULDBLOCK and times out on Windows 10
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: winsock
          Assignee: [e-mail]
          Reporter: [e-mail]

ws2_32:sock - test_AcceptEx() sometimes gets WSAEWOULDBLOCK and times out on
Windows 10:

sock.c:8704: Test failed: failed to accept, error 10035
sock.c:8716: Test failed: got 0xc0000023
sock.c:8751: Test failed: got 00000000
sock.c:8765: Test failed: AcceptEx on too small remote address size returned 0
+ errno 10022
sock.c:8785: Test failed: AcceptEx returned 0 + errno 10022
sock.c:8805: Test failed: got error 10056
ws2_32:sock:13d4 done (258) in 120s 488B

See https://test.winehq.org/data/patterns.html#ws2_32:sock

Where:
  10022 == WSAEINVAL
  10035 == WSAEWOULDBLOCK
  10056 == WSAEISCONN
  0xC0000023 == STATUS_BUFFER_TOO_SMALL

This happened 6 times in the past 8 months, all on Windows 10:
* 2023-02-07 win22H2_fgtb-w10pro64-64
* 2023-03-23 win21H1_newtb-w10pro64-zh-CN-64
* 2023-03-31 win2004_newtb-w10pro64v2004-64
* 2023-05-30 win1909_newtb-w1064v1909-64
* 2023-06-23 win21H1_newtb-w10pro64-ja-64
* 2023-07-06 win21H1_newtb-w10pro64-de-64