https://issues.apache.org/bugzilla/show_bug.cgi?id=57318

            Bug ID: 57318
           Summary: The value of int b in WsFrame class changes value of
                    int rsv
           Product: Tomcat 7
           Version: 7.0.53
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: WebSocket
          Assignee: [email protected]
          Reporter: [email protected]

When I am sending binary data through a websocket in tomcat, I get a reserved
bit set to n (n being a number between 1-7) error. This is caused by when the
class WsFrame of tomcat is entered and the value of int b is set to input
buffer, when this is set the value of int rsv (reserve bit) changes to a non 0
number. However b and rsv are never set to each other and thus the changing of
b should have no effect on the value of rsv. I believe this may be due to
memory corruption or another type of memory error where both values are being
held at the same address in memory for some reason.

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