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linux/net/sched
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Eric Dumazet 91ed8fc342 net_sched: act_ctinfo: use atomic64_t for three counters 
[ Upstream commit d300335b4e ]

Commit 21c167aa0b ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-08-15 12:04:58 +02:00
..
act_api.c net: use unrcu_pointer() helper 2024-12-14 19:53:33 +01:00
act_bpf.c net: sched: act_bpf: simplify code logic in tcf_bpf_init() 2022-09-28 09:38:56 +01:00
act_connmark.c netfilter: conntrack: Fix data-races around ct mark 2022-11-18 15:21:00 +01:00
act_csum.c net: sched: act_csum: get rid of tcf_csum_walker and tcf_csum_search 2022-09-09 08:24:41 +01:00
act_ct.c sched: act_ct: take care of padding in struct zones_ht_key 2024-08-11 12:35:56 +02:00
act_ctinfo.c net_sched: act_ctinfo: use atomic64_t for three counters 2025-08-15 12:04:58 +02:00
act_gact.c treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
act_gate.c net: sched: act_gate: get rid of tcf_gate_walker and tcf_gate_search 2022-09-09 08:24:42 +01:00
act_ife.c net: sched: act_ife: get rid of tcf_ife_walker and tcf_ife_search 2022-09-09 08:24:42 +01:00
act_ipt.c net/sched: act_ipt: add sanity checks on skb before calling target 2023-07-19 16:22:01 +02:00
act_meta_mark.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_meta_skbprio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_meta_skbtcindex.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
act_mirred.c net/sched: act_mirred: don't override retval if we already lost the skb 2025-05-02 07:47:09 +02:00
act_mpls.c net/sched: act_mpls: fix action bind logic 2023-03-11 13:55:28 +01:00
act_nat.c net: sched: act_nat: get rid of tcf_nat_walker and tcf_nat_search 2022-09-09 08:24:42 +01:00
act_pedit.c net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX 2023-07-19 16:22:05 +02:00
act_police.c net: sched: act_police: fix sparse errors in tcf_police_dump() 2023-06-14 11:15:21 +02:00
act_sample.c net/sched: act_sample: fix action bind logic 2023-03-11 13:55:28 +01:00
act_simple.c net: sched: act_simple: get rid of tcf_simp_walker and tcf_simp_search 2022-09-09 08:24:42 +01:00
act_skbedit.c net: sched: act_skbedit: get rid of tcf_skbedit_walker and tcf_skbedit_search 2022-09-09 08:24:42 +01:00
act_skbmod.c net/sched: act_skbmod: prevent kernel-infoleak 2024-04-10 16:28:26 +02:00
act_tunnel_key.c net: fix geneve_opt length integer overflow 2025-04-10 14:33:41 +02:00
act_vlan.c net: sched: act_vlan: get rid of tcf_vlan_walker and tcf_vlan_search 2022-09-09 08:24:43 +01:00
cls_api.c tc: Ensure we have enough buffer space when sending filter netlink notifications 2025-04-25 10:43:25 +02:00
cls_basic.c net: sched: use tc_cls_bind_class() in filter 2022-10-02 16:07:17 +01:00
cls_bpf.c net: sched: cls_bpf: Undo tcf_bind_filter in case of an error 2023-07-27 08:50:41 +02:00
cls_cgroup.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
cls_flow.c net_sched: cls_flow: validate TCA_FLOW_RSHIFT attribute 2025-01-17 13:34:38 +01:00
cls_flower.c net: fix geneve_opt length integer overflow 2025-04-10 14:33:41 +02:00
cls_fw.c net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after-free 2023-08-11 12:08:15 +02:00
cls_matchall.c net: sched: cls_matchall: Undo tcf_bind_filter in case of failure after mall_set_parms 2023-07-27 08:50:41 +02:00
cls_route.c net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free 2023-08-11 12:08:16 +02:00
cls_u32.c net: sched: cls_u32: Fix u32's systematic failure to free IDR entries for hnodes. 2024-11-22 15:37:30 +01:00
em_canid.c net: sched: kerneldoc fixes 2020-07-13 17:20:40 -07:00
em_cmp.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
em_ipset.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-03 14:34:53 -07:00
em_ipt.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-03 14:34:53 -07:00
em_meta.c net: annotate data-races around sk->sk_lingertime 2023-09-13 09:42:33 +02:00
em_nbyte.c net: sched: Return the correct errno code 2021-02-06 11:15:28 -08:00
em_text.c net: sched: em_text: fix possible memory leak in em_text_destroy() 2024-01-10 17:10:23 +01:00
em_u32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ematch.c net_sched: reject TCF_EM_SIMPLE case for complex ematch module 2022-12-31 13:32:55 +01:00
Kconfig net/sched: Retire dsmark qdisc 2024-03-01 13:26:24 +01:00
Makefile net/sched: Retire dsmark qdisc 2024-03-01 13:26:24 +01:00
sch_api.c net/sched: Abort __tc_modify_qdisc if parent class does not exist 2025-07-17 18:32:06 +02:00
sch_blackhole.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_cake.c sched: sch_cake: add bounds checks to host bulk flow fairness counts 2025-01-17 13:34:40 +01:00
sch_cbs.c net/sched: cbs: Fix integer overflow in cbs_set_port_rate() 2024-12-14 19:54:40 +01:00
sch_choke.c net: sched: fix ordering of qlen adjustment 2024-12-27 13:52:51 +01:00
sch_codel.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_drr.c sch_drr: make drr_qlen_notify() idempotent 2025-05-09 09:41:43 +02:00
sch_etf.c net: sched: etf: remove true check in etf_enable_offload() 2022-09-01 20:08:32 -07:00
sch_ets.c net_sched: ets: fix a race in ets_qdisc_change() 2025-06-27 11:07:23 +01:00
sch_fifo.c pfifo_tail_enqueue: Drop new packet when sch->limit == 0 2025-03-07 16:56:51 +01:00
sch_fq.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_fq_codel.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_fq_pie.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_frag.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00
sch_generic.c net: fix races in netdev_tx_sent_queue()/dev_watchdog() 2024-11-01 01:56:04 +01:00
sch_gred.c sched: address a potential NULL pointer dereference in the GRED scheduler. 2025-03-28 21:58:48 +01:00
sch_hfsc.c net_sched: hfsc: Address reentrant enqueue adding class to eltree twice 2025-06-04 14:40:25 +02:00
sch_hhf.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_htb.c net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree 2025-07-24 08:51:53 +02:00
sch_ingress.c net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs 2023-06-09 10:34:03 +02:00
sch_mq.c net: sched: add rcu annotations around qdisc->qdisc_sleeping 2023-06-14 11:15:21 +02:00
sch_mqprio.c net/sched: mqprio: Add length check for TCA_MQPRIO_{MAX/MIN}_RATE64 2023-08-03 10:24:02 +02:00
sch_multiq.c net: sched: sch_multiq: fix possible OOB write in multiq_tune() 2024-06-21 14:35:33 +02:00
sch_netem.c net/sched: Restrict conditions for adding duplicating netems to qdisc tree 2025-08-15 12:04:58 +02:00
sch_pie.c net_sched: Flush gso_skb list too during ->change() 2025-05-22 14:10:02 +02:00
sch_plug.c net: sched: sch_qfq: Fix UAF in qfq_dequeue() 2023-09-19 12:28:02 +02:00
sch_prio.c net_sched: prio: fix a race in prio_tune() 2025-06-27 11:07:23 +01:00
sch_qfq.c net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class 2025-08-15 12:04:47 +02:00
sch_red.c net_sched: red: fix a race in __red_change() 2025-06-27 11:07:23 +01:00
sch_sfb.c Networking fixes for 6.1-rc2, including fixes from netfilter 2022-10-20 17:24:59 -07:00
sch_sfq.c net_sched: sch_sfq: reject invalid perturb period 2025-06-27 11:07:37 +01:00
sch_skbprio.c net_sched: skbprio: Remove overly strict queue assertions 2025-04-10 14:33:40 +02:00
sch_taprio.c net/sched: taprio: extend minimum interval restriction to entire cycle too 2024-11-22 15:37:34 +01:00
sch_tbf.c net_sched: tbf: fix a race in tbf_change() 2025-06-27 11:07:23 +01:00
sch_teql.c net: sched: add rcu annotations around qdisc->qdisc_sleeping 2023-06-14 11:15:21 +02:00