📄 LightFTP Server 2.3.1 Race Condition

LightFTP version 2.3.1 contains a residual race condition in the workerthreadcleanup function of ftpserv.c. The control thread reads and acts on shared per-connection state, including the worker thread id it then passes to pthreadjoin/pthreadcancel, without holding the context-MTLock mutex that t...