Hi Greg, Sasha, This is a backport of: 1689f25924ad ("netfilter: nf_tables: report use refcount overflow") for -stable 5.10. Please, apply. Pablo Neira Ayuso (1): netfilter: nf_tables: report use refcount overflow include/net/netfilter/nf_tables.h | 31 +++++- net/netfilter/nf_tables_api.c | 171 ++++++++++++++++++------------ net/netfilter/nft_flow_offload.c | 6 +- net/netfilter/nft_immediate.c | 8 +- net/netfilter/nft_objref.c | 8 +- 5 files changed, 145 insertions(+), 79 deletions(-) -- 2.30.2