https://bz.apache.org/bugzilla/show_bug.cgi?id=64563
Bug ID: 64563
Summary: Special payload length of websocket frame leads to
high CPU usage
Product: Tomcat 9
Version: 9.0.21
Hardware: PC
Status: NEW
Severity: major
Priority: P2
Component: WebSocket
Assignee: dev@tomcat.apache.org
Reporter: niuhaili...@huawei.com
Target Milestone: -----
Created attachment 37336
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37336&action=edit
the debug result
If all bits（7+64） of the payload length in one websocket frame are 1，the length
will be resolved to a negative value which will cause an endless loop.The
result is CPU usage is high and will not drop！
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