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linux/net/sched
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Hangbin Liu d09c548dbf net: sched: act_mirred: Reset ct info when mirror/redirect skb 
When mirror/redirect a skb to a different port, the ct info should be reset
for reclassification. Or the pkts will match unexpected rules. For example,
with following topology and commands:

    -----------
              |
       veth0 -+-------
              |
       veth1 -+-------
              |
   ------------

 tc qdisc add dev veth0 clsact
 # The same with "action mirred egress mirror dev veth1" or "action mirred ingress redirect dev veth1"
 tc filter add dev veth0 egress chain 1 protocol ip flower ct_state +trk action mirred ingress mirror dev veth1
 tc filter add dev veth0 egress chain 0 protocol ip flower ct_state -inv action ct commit action goto chain 1
 tc qdisc add dev veth1 clsact
 tc filter add dev veth1 ingress chain 0 protocol ip flower ct_state +trk action drop

 ping <remove ip via veth0> &
 tc -s filter show dev veth1 ingress

With command 'tc -s filter show', we can find the pkts were dropped on
veth1.

Fixes: b57dc7c13e ("net/sched: Introduce action ct")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-09 10:58:47 +01:00
..
act_api.c net: sched: fix error return code in tcf_del_walker() 2021-06-17 11:36:18 -07:00
act_bpf.c bpf, sched: Remove unneeded rcu_read_lock() around BPF program invocation 2021-06-24 19:43:11 +02:00
act_connmark.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_csum.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ct.c net/sched: act_ct: remove and free nf_table callbacks 2021-07-02 13:36:35 -07:00
act_ctinfo.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_gact.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_gate.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_ife.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ipt.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
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: Reset ct info when mirror/redirect skb 2021-08-09 10:58:47 +01:00
act_mpls.c net/sched: act_mpls: ensure LSE is pullable before reading it 2020-12-03 11:13:37 -08:00
act_nat.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_pedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_police.c net/sched: act_police: add support for packet-per-second policing 2021-03-13 14:18:09 -08:00
act_sample.c psample: Encapsulate packet metadata in a struct 2021-03-14 15:00:43 -07:00
act_simple.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
act_skbedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_skbmod.c net/sched: act_skbmod: Skip non-Ethernet packets 2021-07-20 07:13:51 -07:00
act_tunnel_key.c net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN tunnels 2020-10-20 21:10:41 -07:00
act_vlan.c net/sched: act_vlan: No dump for unset priority 2021-06-01 16:54:42 -07:00
cls_api.c net: sched: cls_api: Fix the the wrong parameter 2021-07-22 00:48:03 -07:00
cls_basic.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_bpf.c bpf, sched: Remove unneeded rcu_read_lock() around BPF program invocation 2021-06-24 19:43:11 +02:00
cls_cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_flow.c Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
cls_flower.c Revert "net/sched: cls_flower: Remove match on n_proto" 2021-06-21 14:46:36 -07:00
cls_fw.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_matchall.c net: qos offload add flow status with dropped count 2020-06-19 12:53:30 -07:00
cls_route.c net_sched: cls_route: remove the right filter from hashtable 2020-03-16 01:59:32 -07:00
cls_rsvp6.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_rsvp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_rsvp.h net: sched: Fix spelling mistakes 2021-05-31 22:44:56 -07:00
cls_tcindex.c net: sched: fix memory leak in tcindex_partial_destroy_work 2021-07-18 09:45:46 -07:00
cls_u32.c net/sched: cls_u32: simplify the return expression of u32_reoffload_knode() 2020-12-08 16:22:53 -08:00
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 sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-03 14:34:53 -07:00
em_nbyte.c net: sched: Return the correct errno code 2021-02-06 11:15:28 -08:00
em_text.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
em_u32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ematch.c net: sched: Fix spelling mistakes 2021-05-31 22:44:56 -07:00
Kconfig net: sched: incorrect Kconfig dependencies on Netfilter modules 2020-12-09 15:49:29 -08:00
Makefile net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
sch_api.c net: sched: avoid duplicates in classes dump 2021-03-04 14:27:47 -08:00
sch_atm.c net: sched: Add extack to Qdisc_class_ops.delete 2021-01-22 20:41:29 -08:00
sch_blackhole.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_cake.c sch_cake: revise docs for RFC 8622 LE PHB support 2021-06-14 12:10:57 -07:00
sch_cbq.c net: sched: Mundane typo fixes 2021-03-24 15:09:11 -07:00
sch_cbs.c net: don't include ethtool.h from netdevice.h 2020-11-23 17:27:04 -08:00
sch_choke.c net: sched: validate stab values 2021-03-10 15:47:52 -08:00
sch_codel.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_drr.c net: sched: Add extack to Qdisc_class_ops.delete 2021-01-22 20:41:29 -08:00
sch_dsmark.c sch_dsmark: fix a NULL deref in qdisc_reset() 2021-05-24 13:11:44 -07:00
sch_etf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_ets.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fifo.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fq_codel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_fq_pie.c net/sched: fq_pie: fix OOB access in the traffic path 2021-05-23 17:16:09 -07:00
sch_fq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_frag.c net/sched: sch_frag: fix stack OOB read while fragmenting IPv4 packets 2021-04-29 15:31:53 -07:00
sch_generic.c net: sched: fix lockdep_set_class() typo error for sch->seqlock 2021-08-04 09:59:24 +01:00
sch_gred.c net: sched: Fix spelling mistakes 2021-05-31 22:44:56 -07:00
sch_hfsc.c net: sched: Add extack to Qdisc_class_ops.delete 2021-01-22 20:41:29 -08:00
sch_hhf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_htb.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2021-06-07 13:01:52 -07:00
sch_ingress.c net: sched: Pass ingress block to tcf_classify_ingress 2020-02-19 17:49:48 -08:00
sch_mq.c net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues 2019-12-03 11:53:55 -08:00
sch_mqprio.c mqprio: Fix out-of-bounds access in mqprio_dump 2019-12-06 11:58:45 -08:00
sch_multiq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_netem.c netem: fix zero division in tabledist 2020-10-29 11:45:47 -07:00
sch_pie.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
sch_plug.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_prio.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_qfq.c pkt_sched: sch_qfq: fix qfq_change_class() error path 2021-06-21 14:50:19 -07:00
sch_red.c net: sched: validate stab values 2021-03-10 15:47:52 -08:00
sch_sfb.c net: sched: Add extack to Qdisc_class_ops.delete 2021-01-22 20:41:29 -08:00
sch_sfq.c net: sched: validate stab values 2021-03-10 15:47:52 -08:00
sch_skbprio.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_taprio.c net/sched: taprio: Fix init procedure 2021-08-02 11:47:35 +01:00
sch_tbf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_teql.c net: sched: sch_teql: fix null-pointer dereference 2021-04-08 14:14:42 -07:00