Description: netfilter: nf_tables: fix null deref due to zeroed list head
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2173973
Notes:
Bugs:
upstream: released (6.0-rc1) [580077855a40741cf511766129702d97ff02f4d9]
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.137) [80977126bc20309f7f7bae6d8621356b393e8b41]
4.19-upstream-stable: released (4.19.256) [d3f409c375490a86d342eae1d0f6271d12dc19d0]
sid: released (5.19.6-1)
5.10-bullseye-security: released (5.10.140-1)
4.19-buster-security: released (4.19.260-1)