CVE-2026-68313 tipc: fix infinite loop in __tipc_nl_compat_dumpit

In the Linux kernel, the following vulnerability has been resolved: tipc: fix infinite loop in tipcnlcompatdumpit cmd-dumpit callback can return a negative errno, causing an infinite loop due to the whilelen condition. As the loop never terminates, genlmutex is never released, and other tasks...