kernel: sched: act_ct: take care of padding in struct zones_ht_key

rhashtablelookup may be using padding bytes which are not initialized. This may lead to possible compromised Availability...

UBUNTU-CVE-2024-42272

In the Linux kernel, the following vulnerability has been resolved: sched: actct: take care of padding in struct zoneshtkey Blamed commit increased lookup key size from 2 bytes to 16 bytes, because zoneshtkey got a struct net pointer. Make sure rhashtablelookup is not using the padding bytes whic...