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linux/net/sched
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WANG Cong 92f9170621 net_sched: check noop_qdisc before qdisc_hash_add() 
Dmitry reported a crash when injecting faults in
attach_one_default_qdisc() and dev->qdisc is still
a noop_disc, the check before qdisc_hash_add() fails
to catch it because it tests NULL. We should test
against noop_qdisc since it is the default qdisc
at this point.

Fixes: 59cc1f61f09c ("net: sched: convert qdisc linked list to hashtable")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-06 12:28:39 -07:00
..
act_api.c
net sched actions: do not overwrite status of action creation.
2017-02-26 21:31:32 -05:00
act_bpf.c
bpf: rework prog_digest into prog_tag
2017-01-16 14:03:31 -05:00
act_connmark.c
act_connmark: avoid crashing on malformed nlattrs with null parms
2017-03-12 23:32:41 -07:00
act_csum.c
net/sched: act_csum: compute crc32c on SCTP packets
2017-01-09 14:36:57 -05:00
act_gact.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
act_ife.c
net/sched: act_ife: Change to use ife module
2017-02-03 15:16:46 -05:00
act_ipt.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
act_meta_mark.c
Support to encoding decoding skb mark on IFE action
2016-03-01 17:15:23 -05:00
act_meta_skbprio.c
Support to encoding decoding skb prio on IFE action
2016-03-01 17:15:23 -05:00
act_meta_skbtcindex.c
net sched ife action: Introduce skb tcindex metadata encap decap
2016-09-19 21:55:28 -04:00
act_mirred.c
net/sched: act_mirred: remove duplicated include from act_mirred.c
2017-02-07 11:42:34 -05:00
act_nat.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
act_pedit.c
net/act_pedit: Introduce 'add' operation
2017-02-10 13:18:33 -05:00
act_police.c
net_sched: gen_estimator: complete rewrite of rate estimators
2016-12-05 15:21:59 -05:00
act_sample.c
net/sched: act_psample: Remove unnecessary ASSERT_RTNL
2017-02-01 14:10:03 -05:00
act_simple.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
act_skbedit.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
act_skbmod.c
net/sched: act_skbmod: remove unneeded rcu_read_unlock in tcf_skbmod_dump
2017-03-07 14:13:03 -08:00
act_tunnel_key.c
net/sched: act_tunnel_key: Fix setting UDP dst port in metadata under IPv6
2016-12-23 11:59:56 -05:00
act_vlan.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
cls_api.c
sched: Fix accidental removal of errout goto
2017-02-14 11:44:14 -05:00
cls_basic.c
net, sched: respect rcu grace period on cls destruction
2016-11-28 10:47:35 -05:00
cls_bpf.c
net/sched: cls_bpf: Reflect HW offload status
2017-02-17 12:08:06 -05:00
cls_cgroup.c
net, sched: respect rcu grace period on cls destruction
2016-11-28 10:47:35 -05:00
cls_flow.c
skbuff: add and use skb_nfct helper
2017-02-02 14:31:53 +01:00
cls_flower.c
net/sched: cls_flower: Reflect HW offload status
2017-02-17 12:08:05 -05:00
cls_fw.c
net sched: stylistic cleanups
2016-09-19 22:04:14 -04:00
cls_matchall.c
net/sched: cls_matchall: Reflect HW offloading status
2017-02-17 12:08:06 -05:00
cls_route.c
net_sched: check NULL on error path in route4_change()
2016-09-23 06:51:49 -04:00
cls_rsvp6.c
…
cls_rsvp.c
…
cls_rsvp.h
net, sched: respect rcu grace period on cls destruction
2016-11-28 10:47:35 -05:00
cls_tcindex.c
net, sched: respect rcu grace period on cls destruction
2016-11-28 10:47:35 -05:00
cls_u32.c
net/sched: cls_u32: Reflect HW offload status
2017-02-17 12:08:06 -05:00
em_canid.c
net: sched: remove tcf_proto from ematch calls
2014-10-06 18:02:32 -04:00
em_cmp.c
net_sched: cleanups
2011-01-19 23:31:12 -08:00
em_ipset.c
netfilter: x_tables: move hook state into xt_action_param structure
2016-11-03 10:56:21 +01:00
em_meta.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/loadavg.h>
2017-03-02 08:42:27 +01:00
em_nbyte.c
net: sched: remove tcf_proto from ematch calls
2014-10-06 18:02:32 -04:00
em_text.c
net: Remove state argument from skb_find_text()
2015-02-22 15:59:54 -05:00
em_u32.c
net_sched: cleanups
2011-01-19 23:31:12 -08:00
ematch.c
ematch: Fix auto-loading of ematch modules.
2015-02-20 15:30:56 -05:00
Kconfig
net/sched: act_ife: Change to use ife module
2017-02-03 15:16:46 -05:00
Makefile
net/sched: Introduce sample tc action
2017-01-24 13:44:28 -05:00
sch_api.c
pkt_sched: Remove useless qdisc_stab_lock
2017-02-17 15:10:18 -05:00
sch_atm.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_blackhole.c
net_sched: drop packets after root qdisc lock is released
2016-06-25 12:19:35 -04:00
sch_cbq.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_choke.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_codel.c
sched: replace __skb_dequeue with __qdisc_dequeue_head
2016-09-19 01:47:18 -04:00
sch_drr.c
net_sched: gen_estimator: complete rewrite of rate estimators
2016-12-05 15:21:59 -05:00
sch_dsmark.c
sch_dsmark: fix invalid skb_cow() usage
2017-03-21 17:21:27 -07:00
sch_fifo.c
sched: don't use skb queue helpers
2016-09-19 01:47:18 -04:00
sch_fq_codel.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_fq.c
net_sched: sch_fq: use rb_entry()
2016-12-20 14:22:48 -05:00
sch_generic.c
net_sched: check noop_qdisc before qdisc_hash_add()
2017-04-06 12:28:39 -07:00
sch_gred.c
net_sched: drop packets after root qdisc lock is released
2016-06-25 12:19:35 -04:00
sch_hfsc.c
net_sched: gen_estimator: complete rewrite of rate estimators
2016-12-05 15:21:59 -05:00
sch_hhf.c
net_sched: fix error recovery at qdisc creation
2017-02-11 21:38:58 -05:00
sch_htb.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_ingress.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_mq.c
net_sched: fix error recovery at qdisc creation
2017-02-11 21:38:58 -05:00
sch_mqprio.c
net_sched: fix error recovery at qdisc creation
2017-02-11 21:38:58 -05:00
sch_multiq.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_netem.c
net-tc: convert tc_from to tc_from_ingress and tc_redirected
2017-01-08 20:58:52 -05:00
sch_pie.c
sched: replace __skb_dequeue with __qdisc_dequeue_head
2016-09-19 01:47:18 -04:00
sch_plug.c
net_sched: drop packets after root qdisc lock is released
2016-06-25 12:19:35 -04:00
sch_prio.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_qfq.c
net_sched: gen_estimator: complete rewrite of rate estimators
2016-12-05 15:21:59 -05:00
sch_red.c
net_sched: drop packets after root qdisc lock is released
2016-06-25 12:19:35 -04:00
sch_sfb.c
sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
2017-02-10 11:38:08 -05:00
sch_sfq.c
net_sched: fix error recovery at qdisc creation
2017-02-11 21:38:58 -05:00
sch_tbf.c
net_sched: drop packets after root qdisc lock is released
2016-06-25 12:19:35 -04:00
sch_teql.c
net: make ndo_get_stats64 a void function
2017-01-08 17:51:44 -05:00