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! -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org