ip6mr: fix UAF issue in ip6mrskdone() when addrconfinitnet() failed
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.6 by commit 22a68c3b9362eaac7b035eba09e95e6b3f7a912c, it was introduced in version v5.18 by commit 7d9b1b578d67a14ae7a7a526ee115b233fa264c4. For more details please see the references link.