AuxXxilium/linux_dsm_epyc7002
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a159d3c4b8
linux_dsm_epyc7002/net/sched
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Cong Wang a159d3c4b8 net_sched: acquire RTNL in tc_action_net_exit() 
I forgot to acquire RTNL in tc_action_net_exit()
which leads that action ops->cleanup() is not always
called with RTNL. This usually is not a big deal because
this function is called after all netns refcnt are gone,
but given RTNL protects more than just actions, add it
for safety and consistency.

Also add an assertion to catch other potential bugs.

Fixes: ddf97ccdd7 ("net_sched: add network namespace support for tc actions")
Reported-by: Lucas Bates <lucasb@mojatatu.com>
Tested-by: Lucas Bates <lucasb@mojatatu.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-03 10:30:38 +09:00
..
act_api.c net_sched: acquire RTNL in tc_action_net_exit() 2017-11-03 10:30:38 +09:00
act_bpf.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_connmark.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_csum.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_gact.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_ife.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_ipt.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_meta_mark.c
act_meta_skbprio.c
act_meta_skbtcindex.c
act_mirred.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_nat.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_pedit.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_police.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_sample.c MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
act_simple.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_skbedit.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_skbmod.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_tunnel_key.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
act_vlan.c net/sched: Change act_api and act_xxx modules to use IDR 2017-08-30 14:38:51 -07:00
cls_api.c net_sched: remove tcf_block_put_deferred() 2017-10-31 11:06:01 +09:00
cls_basic.c net_sched: use tcf_queue_work() in basic filter 2017-10-29 22:49:30 +09:00
cls_bpf.c net_sched: use tcf_queue_work() in bpf filter 2017-10-29 22:49:30 +09:00
cls_cgroup.c net_sched: use tcf_queue_work() in cgroup filter 2017-10-29 22:49:30 +09:00
cls_flow.c net_sched: use tcf_queue_work() in flow filter 2017-10-29 22:49:31 +09:00
cls_flower.c net_sched: use tcf_queue_work() in flower filter 2017-10-29 22:49:31 +09:00
cls_fw.c net_sched: use tcf_queue_work() in fw filter 2017-10-29 22:49:31 +09:00
cls_matchall.c net_sched: use tcf_queue_work() in matchall filter 2017-10-29 22:49:31 +09:00
cls_route.c net_sched: use tcf_queue_work() in route filter 2017-10-29 22:49:31 +09:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net_sched: use tcf_queue_work() in rsvp filter 2017-10-29 22:49:31 +09:00
cls_tcindex.c net_sched: use tcf_queue_work() in tcindex filter 2017-10-29 22:49:31 +09:00
cls_u32.c net_sched: use tcf_queue_work() in u32 filter 2017-10-29 22:49:31 +09:00
em_canid.c
em_cmp.c
em_ipset.c
em_meta.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
em_nbyte.c
em_text.c
em_u32.c
ematch.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
Kconfig net: sched: select cls when cls_act is enabled 2017-06-05 10:56:36 -04:00
Makefile net/sched: Introduce sample tc action 2017-01-24 13:44:28 -05:00
sch_api.c net_sched: avoid matching qdisc with zero handle 2017-10-29 17:55:03 +09:00
sch_atm.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_blackhole.c
sch_cbq.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_choke.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
sch_codel.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
sch_drr.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_dsmark.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_fifo.c
sch_fq_codel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_fq.c mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic 2017-07-12 16:26:03 -07:00
sch_generic.c net_sched: always reset qdisc backlog in qdisc_reset() 2017-09-21 11:56:32 -07:00
sch_gred.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
sch_hfsc.c net_sched/hfsc: fix curve activation in hfsc_change_class() 2017-09-21 11:56:32 -07:00
sch_hhf.c sch_hhf: fix null pointer dereference on init failure 2017-08-30 15:26:11 -07:00
sch_htb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_ingress.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_mq.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_mqprio.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_multiq.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_netem.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_pie.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
sch_plug.c
sch_prio.c sched: Use __qdisc_drop instead of kfree_skb in sch_prio and sch_qfq 2017-09-06 21:20:07 -07:00
sch_qfq.c sched: Use __qdisc_drop instead of kfree_skb in sch_prio and sch_qfq 2017-09-06 21:20:07 -07:00
sch_red.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_sfb.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_sfq.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_tbf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_teql.c net: make ndo_get_stats64 a void function 2017-01-08 17:51:44 -05:00