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Commit21c167aa0b("net/sched: act_ctinfo: use percpu stats") missed that stats_dscp_set, stats_dscp_error and stats_cpmark_set might be written (and read) locklessly. Use atomic64_t for these three fields, I doubt act_ctinfo is used heavily on big SMP hosts anyway. Fixes:24ec483cec("net: sched: Introduce act_ctinfo action") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Pedro Tammela <pctammela@mojatatu.com> Link: https://patch.msgid.link/20250709090204.797558-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>