CVE-2022-50310 ip6mr: fix UAF issue in ip6mr_sk_done() when addrconf_init_net() failed

In the Linux kernel, the following vulnerability has been resolved: ip6mr: fix UAF issue in ip6mrskdone when addrconfinitnet failed If the initialization fails in calling addrconfinitnet, devconfall is the pointer that has been released. Then ip6mrskdone is called to release the net, accessing...