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alistair23-linux/net/sched
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Jason Baron 8a9093c798 net: sched: correct flower port blocking 
tc flower rules that are based on src or dst port blocking are sometimes
ineffective due to uninitialized stack data. __skb_flow_dissect() extracts
ports from the skb for tc flower to match against. However, the port
dissection is not done when when the FLOW_DIS_IS_FRAGMENT bit is set in
key_control->flags. All callers of __skb_flow_dissect(), zero-out the
key_control field except for fl_classify() as used by the flower
classifier. Thus, the FLOW_DIS_IS_FRAGMENT may be set on entry to
__skb_flow_dissect(), since key_control is allocated on the stack
and may not be initialized.

Since key_basic and key_control are present for all flow keys, let's
make sure they are initialized.

Fixes: 62230715fd ("flow_dissector: do not dissect l4 ports for fragments")
Co-developed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2020-02-17 21:33:28 -08:00
..
Kconfig net: sched: add Flow Queue PIE packet scheduler 2020-01-23 11:38:31 +01:00
Makefile net: sched: add Flow Queue PIE packet scheduler 2020-01-23 11:38:31 +01:00
act_api.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_bpf.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_connmark.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_csum.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_ct.c treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
act_ctinfo.c net: sched: act_ctinfo: fix memory leak 2020-01-19 16:02:15 +01:00
act_gact.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_ife.c net/sched: act_ife: initalize ife->metalist earlier 2020-01-17 10:58:15 +01:00
act_ipt.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
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: Pull mac prior redir to non mac_header_xmit device 2019-12-27 16:35:32 -08:00
act_mpls.c net: Fixed updating of ethertype in skb_mpls_push() 2019-12-04 17:11:25 -08:00
act_nat.c icmp: remove duplicate code 2019-11-05 14:03:11 -08:00
act_pedit.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-22 16:27:24 -08:00
act_police.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_sample.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_simple.c net_sched: extend packet counter to 64bit 2019-11-05 18:20:55 -08:00
act_skbedit.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_skbmod.c net: sched: update action implementations to support flags 2019-10-30 18:07:51 -07:00
act_tunnel_key.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
act_vlan.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 15:42:43 -08:00
cls_api.c net_sched: use validated TCA_KIND attribute in tc_new_tfilter() 2020-01-22 21:11:50 +01:00
cls_basic.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_bpf.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_flow.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_flower.c net: sched: correct flower port blocking 2020-02-17 21:33:28 -08:00
cls_fw.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_matchall.c net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS 2020-02-13 14:16:35 -08:00
cls_route.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_rsvp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_rsvp.h cls_rsvp: fix rsvp_policy 2020-02-01 12:25:06 -08:00
cls_rsvp6.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cls_tcindex.c net_sched: fix a resource leak in tcindex_set_parms() 2020-02-05 14:11:57 +01:00
cls_u32.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
em_canid.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 11 2019-05-21 11:28:45 +02:00
em_cmp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
em_ipset.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
em_ipt.c net: sched: em_ipt: add support for addrtype matching 2019-06-29 11:15:12 -07:00
em_meta.c net: annotate lockless accesses to sk->sk_max_ack_backlog 2019-11-06 16:14:48 -08:00
em_nbyte.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
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: ematch: reject invalid TCF_EM_SIMPLE 2020-01-27 10:55:26 +01:00
sch_api.c net_sched: walk through all child classes in tc_bind_tclass() 2020-01-27 10:52:46 +01:00
sch_atm.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sch_blackhole.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_cake.c net: sched: use skb_list_walk_safe helper for gso segments 2020-01-14 11:48:41 -08:00
sch_cbq.c sch_cbq: validate TCA_CBQ_WRROPT to avoid crash 2019-09-30 11:07:46 -07:00
sch_cbs.c net: sched: cbs: Avoid division by zero when calculating the port rate 2019-10-01 09:51:39 -07:00
sch_choke.c sch_choke: Use kvcalloc 2020-01-29 11:58:10 +01:00
sch_codel.c net: sched: Fix a possible null-pointer dereference in dequeue_func() 2019-07-29 09:46:58 -07:00
sch_drr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sch_dsmark.c sch_dsmark: fix potential NULL deref in dsmark_init() 2019-10-04 18:28:30 -07:00
sch_etf.c sched: etf: Fix ordering of packets with same txtime 2019-10-15 20:32:04 -07:00
sch_ets.c net: sch_ets: Make the ETS qdisc offloadable 2019-12-18 13:32:29 -08:00
sch_fifo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_fq.c pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM 2020-01-08 12:40:47 -08:00
sch_fq_codel.c fq_codel: do not include <linux/jhash.h> 2019-10-22 15:31:42 -07:00
sch_fq_pie.c net: sched: prevent a use after free 2020-02-06 14:00:12 +01:00
sch_generic.c netdev: pass the stuck queue to the timeout handler 2019-12-12 21:38:57 -08:00
sch_gred.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_hfsc.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
sch_hhf.c net/flow_dissector: switch to siphash 2019-10-23 20:13:22 -07:00
sch_htb.c net: sched: sch_htb: don't call qdisc_put() while holding tree lock 2019-09-27 12:13:55 +02:00
sch_ingress.c net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_* 2019-07-09 14:38:50 -07:00
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 net: sched: fix `tc -s class show` no bstats on class with nolock subqueues 2019-11-30 10:38:40 -08:00
sch_netem.c net: netem: correct the parent's backlog when corrupted packet was dropped 2019-10-19 12:12:36 -07:00
sch_pie.c net: sched: pie: export symbols to be reused by FQ-PIE 2020-01-23 11:38:31 +01:00
sch_plug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_prio.c net: sch_prio: When ungrafting, replace with FIFO 2020-01-08 12:45:53 -08:00
sch_qfq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sch_red.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_sfb.c net/flow_dissector: switch to siphash 2019-10-23 20:13:22 -07:00
sch_sfq.c net/flow_dissector: switch to siphash 2019-10-23 20:13:22 -07:00
sch_skbprio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sch_taprio.c taprio: Fix dropping packets when using taprio + ETF offloading 2020-02-07 11:30:03 +01:00
sch_tbf.c net: sched: Make TBF Qdisc offloadable 2020-01-25 10:56:31 +01:00
sch_teql.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00