CVE-2025-37961 ipvs: fix uninit-value for saddr in do_output_route4

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix uninit-value for saddr in dooutputroute4 syzbot reports for uninit-value for the saddr argument 1. commit 4754957f04f5 "ipvs: do not use random local source address for tunnels" already implies that the input value of...