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b0ee9bd40d
linux/net/sched
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Davide Caratti b0ee9bd40d net/sched: cls_api: add missing validation of netlink attributes 
[ Upstream commit e331473fee ]

Similarly to what has been done in 8b4c3cdd9d ("net: sched: Add policy
validation for tc attributes"), fix classifier code to add validation of
TCA_CHAIN and TCA_KIND netlink attributes.

tested with:
 # ./tdc.py -c filter

v2: Let sch_api and cls_api share nla_policy they have in common, thanks
    to David Ahern.
v3: Avoid EXPORT_SYMBOL(), as validation of those attributes is not done
    by TC modules, thanks to Cong Wang.
    While at it, restore the 'Delete / get qdisc' comment to its orginal
    position, just above tc_get_qdisc() function prototype.

Fixes: 5bc1701881 ("net: sched: introduce multichain support for filters")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-04 14:52:51 +01:00
..
act_api.c net sched actions: fix dumping which requires several messages to user space 2018-04-12 12:32:23 +02:00
act_bpf.c net/sched: fix idr leak on the error path of tcf_bpf_init() 2018-05-30 07:52:18 +02:00
act_connmark.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_csum.c net: accept UFO datagrams from tuntap and packet 2017-12-17 15:07:58 +01:00
act_gact.c net/sched: Fix update of lastuse in act modules implementing stats_update 2018-01-17 09:45:22 +01:00
act_ife.c net: sched: action_ife: take reference to meta module 2018-09-15 09:45:26 +02:00
act_ipt.c net/sched: fix idr leak in the error path of __tcf_ipt_init() 2018-05-30 07:52:18 +02:00
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: Fix update of lastuse in act modules implementing stats_update 2018-01-17 09:45:22 +01:00
act_nat.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_pedit.c net/sched: act_pedit: fix dump of extended layered op 2018-09-15 09:45:25 +02:00
act_police.c net/sched: fix idr leak in the error path of tcf_act_police_init() 2018-05-30 07:52:18 +02:00
act_sample.c net/sched: act_sample: fix NULL dereference in the data path 2018-09-29 03:06:01 -07:00
act_simple.c net/sched: act_simple: fix parsing of TCA_DEF_DATA 2018-06-26 08:06:28 +08:00
act_skbedit.c net sched actions: fix invalid pointer dereferencing if skbedit flags missing 2018-06-21 04:02:57 +09:00
act_skbmod.c net/sched: fix idr leak in the error path of tcf_skbmod_init() 2018-05-30 07:52:18 +02:00
act_tunnel_key.c net/sched: act_tunnel_key: fix NULL dereference when 'goto chain' is used 2018-08-24 13:09:14 +02:00
act_vlan.c net/sched: fix refcnt leak in the error path of tcf_vlan_init() 2018-05-25 16:17:23 +02:00
cls_api.c net/sched: cls_api: add missing validation of netlink attributes 2018-11-04 14:52:51 +01:00
cls_basic.c cls_basic: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:09 +09:00
cls_bpf.c cls_bpf: don't decrement net's refcount when offload fails 2017-12-17 15:07:59 +01:00
cls_cgroup.c cls_cgroup: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:09 +09:00
cls_flow.c cls_flow: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:09 +09:00
cls_flower.c cls_flower: Fix incorrect idr release when failing to modify rule 2018-06-11 22:49:22 +02:00
cls_fw.c cls_fw: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:09 +09:00
cls_matchall.c cls_matchall: fix tcf_unbind_filter missing 2018-08-22 07:46:11 +02:00
cls_route.c cls_route: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:10 +09:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h cls_rsvp: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:10 +09:00
cls_tcindex.c net_sched: Fix missing res info when create new tc_index filter 2018-08-22 07:46:08 +02:00
cls_u32.c net: sched: Fix memory exposure from short TCA_U32_SEL 2018-09-15 09:45:24 +02:00
em_canid.c
em_cmp.c
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 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 net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sch_api.c net: sched: Fix for duplicate class dump 2018-11-04 14:52:50 +01:00
sch_atm.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_blackhole.c net_sched: blackhole: tell upper qdisc about dropped packets 2018-07-22 14:28:46 +02:00
sch_cbq.c net: sched: cbq: create block for q->link.block 2017-12-17 15:07:58 +01:00
sch_choke.c net_sched: red: Avoid illegal values 2018-02-25 11:07:59 +01:00
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 sched: don't use skb queue helpers 2016-09-19 01:47:18 -04:00
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 net_sched: fq: take care of throttled flows before reuse 2018-05-19 10:20:24 +02:00
sch_generic.c net: sched: drop qdisc_reset from dev_graft_qdisc 2018-03-19 08:42:54 +01:00
sch_gred.c net: sched: gred: pass the right attribute to gred_change_table_def() 2018-11-04 14:52:48 +01:00
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: fix static key imbalance in case of ingress/clsact_init error 2018-01-02 20:31:12 +01:00
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 sch_netem: restore skb->dev after dequeuing from the rbtree 2018-11-04 14:52:47 +01:00
sch_pie.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -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: 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: red: avoid hashing NULL child 2018-05-25 16:17:23 +02:00
sch_sfb.c net_sched: remove tc class reference counting 2017-08-25 17:19:10 -07:00
sch_sfq.c net_sched: red: Avoid illegal values 2018-02-25 11:07:59 +01:00
sch_tbf.c net: sched: red: avoid hashing NULL child 2018-05-25 16:17:23 +02:00
sch_teql.c net: make ndo_get_stats64 a void function 2017-01-08 17:51:44 -05:00