websock server - Case 1.2.8 : Pass - 15 ms @ 2026-08-25T04:35:32.235Z
Case Description
Send binary message message with payload of length 65536. Sent out data in chops of 997 octets.
Case Expectation
Receive echo'ed binary message (with payload as sent). Clean close with normal code.
Case Outcome
Actual events match at least one expected.
Expected:
{'OK': [('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]}
Observed:
[('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]
Case Closing Behavior
Connection was properly closed (OK)
GET /ws HTTP/1.1 User-Agent: AutobahnTestSuite/25.10.1-0.10.9 Host: 127.0.0.1:8888 Upgrade: WebSocket Connection: Upgrade Pragma: no-cache Cache-Control: no-cache Sec-WebSocket-Key: ddymCop6pTJKiFRp2BR/dg== Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols Date: Tue, 25 Aug 2026 04:35:32 GMT Connection: Upgrade Upgrade: websocket Sec-Websocket-Accept: G4MExWLzX2q17MFS+A0AAP5Prs8=
| Key | Value | Description |
| isServer | False | True, iff I (the fuzzer) am a server, and the peer is a client. |
| closedByMe | True | True, iff I have initiated closing handshake (that is, did send close first). |
| failedByMe | False | True, iff I have failed the WS connection (i.e. due to protocol error). Failing can be either by initiating closing handshake or brutal drop TCP. |
| droppedByMe | False | True, iff I dropped the TCP connection. |
| wasClean | True | True, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility). |
| wasNotCleanReason | None | When wasClean == False, the reason what happened. |
| wasServerConnectionDropTimeout | False | When we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True. |
| wasOpenHandshakeTimeout | False | When performing the opening handshake, but the peer did not finish in time, this gets True. |
| wasCloseHandshakeTimeout | False | When we initiated a closing handshake, but the peer did not respond in time, this gets True. |
| localCloseCode | 1000 | The close code I sent in close frame (if any). |
| localCloseReason | None | The close reason I sent in close frame (if any). |
| remoteCloseCode | 1000 | The close code the peer sent me in close frame (if any). |
| remoteCloseReason | None | The close reason the peer sent me in close frame (if any). |
| Chop Size | Count | Octets |
| 4 | 1 | 4 |
| 10 | 1 | 10 |
| 166 | 1 | 166 |
| 65536 | 1 | 65536 |
| Total | 4 | 65716 |
| Chop Size | Count | Octets |
| 8 | 1 | 8 |
| 244 | 1 | 244 |
| 745 | 1 | 745 |
| 997 | 65 | 64805 |
| Total | 68 | 65802 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205475652c203235204175
6720323032362030343a33353a33 ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=db2f8112, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000db2f811225d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
006 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
007 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
008 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
009 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
010 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
011 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
012 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
013 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
014 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
015 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
016 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
017 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
018 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
019 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
020 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
021 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
022 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
023 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
024 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
025 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
026 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
027 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
028 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
029 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
030 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
031 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
032 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
033 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
034 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
035 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
036 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
037 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
038 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
039 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
040 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
041 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
042 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
043 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
044 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
045 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
046 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
047 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
048 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
049 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
050 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
051 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
052 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
053 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
054 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
055 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
056 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
057 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
058 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
059 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
060 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
061 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
062 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
063 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
064 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
065 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
066 TX OCTETS: 25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d1
7fec25d17fec25d17fec25d17fec ...
067 TX OCTETS: d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17f
ec25d17fec25d17fec25d17fec25 ...
068 TX OCTETS: 7fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec
25d17fec25d17fec25d17fec25d1 ...
069 TX OCTETS: ec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25d17fec25
d17fec25d17fec25d17fec25d17f ...
070 RX OCTETS: 827f0000000000010000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
071 RX OCTETS: fefefefefefefefefefe
072 RX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
073 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=c3004be3, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
0x03e8
074 TX OCTETS: 8882c3004be3c0e8
075 RX OCTETS: 880203e8
076 RX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASKED=False, MASK=None
0x03e8
077 TCP DROPPED BY PEER