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kernel_a52xq/net/sched
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Filename Latest commit message Latest commit date
Yunsheng Lin 749cc0b0c7 net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc 
[ Upstream commit 2fb541c862c987d02dfdf28f1545016deecfa0d5 ]

Currently there is concurrent reset and enqueue operation for the
same lockless qdisc when there is no lock to synchronize the
q->enqueue() in __dev_xmit_skb() with the qdisc reset operation in
qdisc_deactivate() called by dev_deactivate_queue(), which may cause
out-of-bounds access for priv->ring[] in hns3 driver if user has
requested a smaller queue num when __dev_xmit_skb() still enqueue a
skb with a larger queue_mapping after the corresponding qdisc is
reset, and call hns3_nic_net_xmit() with that skb later.

Reused the existing synchronize_net() in dev_deactivate_many() to
make sure skb with larger queue_mapping enqueued to old qdisc(which
is saved in dev_queue->qdisc_sleeping) will always be reset when
dev_reset_queue() is called.

Fixes: 6b3ba9146f ("net: sched: allow qdiscs to handle locking")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-26 18:01:30 +02:00
..
act_api.c net: avoid potential infinite loop in tc_ctl_action() 2019-10-29 09:19:39 +01:00
act_bpf.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_connmark.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
act_csum.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
act_gact.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_ife.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_ipt.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_meta_mark.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
act_meta_skbprio.c net sched actions: change IFE modules alias names 2017-10-12 22:13:20 -07:00
act_meta_skbtcindex.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
act_mirred.c act_mirred: Fix mirred_init_module error handling 2020-01-27 14:51:18 +01:00
act_nat.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_pedit.c net/sched: act_pedit: fix WARN() in the traffic path 2019-12-01 09:16:06 +01:00
act_police.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_sample.c net/sched: act_sample: don't push mac header on ip6gre ingress 2019-10-05 13:09:28 +02:00
act_simple.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_skbedit.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
act_skbmod.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
act_tunnel_key.c net: sched: ensure opts_len <= IP_TUNNEL_OPTS_MAX in act_tunnel_key 2019-12-01 09:16:06 +01:00
act_vlan.c net_sched: fix a NULL pointer deref in ipt action 2019-09-10 10:33:39 +01:00
cls_api.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
cls_basic.c net_sched: fix ops->bind_class() implementations 2020-02-01 09:37:06 +00:00
cls_bpf.c net_sched: fix ops->bind_class() implementations 2020-02-01 09:37:06 +00:00
cls_cgroup.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_flow.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
cls_flower.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
cls_fw.c net_sched: fix ops->bind_class() implementations 2020-02-01 09:37:06 +00:00
cls_matchall.c net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS 2020-02-24 08:34:34 +01:00
cls_route.c net_sched: cls_route: remove the right filter from hashtable 2020-04-02 15:28:11 +02:00
cls_rsvp.c
cls_rsvp.h cls_rsvp: fix rsvp_policy 2020-02-11 04:33:52 -08:00
cls_rsvp6.c
cls_tcindex.c net_sched: keep alloc_hash updated after hash allocation 2020-04-02 15:28:11 +02:00
cls_u32.c net_sched: fix ops->bind_class() implementations 2020-02-01 09:37:06 +00:00
em_canid.c
em_cmp.c
em_ipset.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
em_ipt.c net: sched: add em_ipt ematch for calling xtables matches 2018-02-21 13:15:33 -05:00
em_meta.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
em_nbyte.c net: sched: em_nbyte: don't add the data offset twice 2018-01-24 14:52:40 -05:00
em_text.c net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
em_u32.c
ematch.c net_sched: ematch: reject invalid TCF_EM_SIMPLE 2020-02-01 09:37:05 +00:00
Kconfig net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
Makefile net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
sch_api.c net_sched: fix ops->bind_class() implementations 2020-02-01 09:37:06 +00:00
sch_atm.c net_sched: fix a memory leak in atm_tc_init() 2020-07-22 09:31:59 +02:00
sch_blackhole.c net_sched: blackhole: tell upper qdisc about dropped packets 2018-06-17 08:42:33 +09:00
sch_cake.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
sch_cbq.c sch_cbq: validate TCA_CBQ_WRROPT to avoid crash 2019-10-07 18:57:26 +02:00
sch_cbs.c net: cbs: Fix software cbs to consider packet sending time 2020-04-02 15:28:11 +02:00
sch_choke.c sch_choke: avoid potential panic in choke_reset() 2020-05-14 07:57:18 +02:00
sch_codel.c net: sched: Fix a possible null-pointer dereference in dequeue_func() 2019-08-09 17:52:32 +02:00
sch_drr.c net: sch: sch_drr: add extack support 2017-12-21 12:32:51 -05:00
sch_dsmark.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
sch_etf.c sched: etf: do not assume all sockets are full blown 2020-04-29 16:31:21 +02:00
sch_fifo.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_fq.c net: fq: add missing attribute validation for orphan mask 2020-03-18 07:14:16 +01:00
sch_fq_codel.c fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks 2020-05-14 07:57:17 +02:00
sch_generic.c net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc 2020-09-26 18:01:30 +02:00
sch_gred.c net: sched: gred: pass the right attribute to gred_change_table_def() 2018-11-04 14:50:51 +01:00
sch_hfsc.c net_sched: remove a bogus warning in hfsc 2018-06-23 10:58:46 +09:00
sch_hhf.c net/flow_dissector: switch to siphash 2019-11-10 11:27:54 +01:00
sch_htb.c net_sched: remove unused htb drop_list 2018-06-24 16:42:46 +09:00
sch_ingress.c net: sched: allow ingress and clsact qdiscs to share filter blocks 2018-01-17 14:53:57 -05:00
sch_mq.c net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues 2019-12-21 10:57:12 +01:00
sch_mqprio.c net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues 2019-12-21 10:57:12 +01:00
sch_multiq.c net: sched: fix tc -s class show no bstats on class with nolock subqueues 2019-12-05 09:21:32 +01:00
sch_netem.c net: netem: correct the parent's backlog when corrupted packet was dropped 2020-01-27 14:51:19 +01:00
sch_pie.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_plug.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_prio.c net: sch_prio: When ungrafting, replace with FIFO 2020-01-12 12:17:29 +01:00
sch_qfq.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_red.c net: sched: red: avoid hashing NULL child 2018-05-18 13:52:32 -04:00
sch_sfb.c net/flow_dissector: switch to siphash 2019-11-10 11:27:54 +01:00
sch_sfq.c sch_sfq: validate silly quantum values 2020-05-14 07:57:18 +02:00
sch_skbprio.c net_sched: sch_skbprio: add message validation to skbprio_change() 2020-05-14 07:57:17 +02:00
sch_tbf.c net: sched: red: avoid hashing NULL child 2018-05-18 13:52:32 -04:00
sch_teql.c sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00