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[ Upstream commit a9beb7e ] 1) tbl->gc_thresh1, tbl->gc_thresh2, tbl->gc_thresh3 and tbl->gc_interval can be written from sysfs. 2) tbl->last_flush is read locklessly from neigh_alloc() 3) tbl->proxy_queue.qlen is read locklessly from neightbl_fill_info() 4) neightbl_fill_info() reads cpu stats that can be changed concurrently. Fixes: c7fb64d ("[NETLINK]: Neighbour table configuration and statistics via rtnetlink") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20231019122104.1448310-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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