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Budimir Markovic 4cf994d3f4 net/sched: sch_hfsc: Ensure inner classes have fsc curve 
[ Upstream commit b3d26c5702 ]

HFSC assumes that inner classes have an fsc curve, but it is currently
possible for classes without an fsc curve to become parents. This leads
to bugs including a use-after-free.

Don't allow non-root classes without HFSC_FSC to become parents.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Budimir Markovic <markovicbudimir@gmail.com>
Signed-off-by: Budimir Markovic <markovicbudimir@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20230824084905.422-1-markovicbudimir@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-19 12:22:35 +02:00
..
act_api.c
net/sched: act_api: Notify user space if any actions were flushed before error
2022-07-07 17:53:27 +02:00
act_bpf.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_connmark.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_csum.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
act_ct.c
netfilter: conntrack: Fix data-races around ct mark
2022-12-02 17:41:04 +01:00
act_ctinfo.c
net/sched: act_ctinfo: use percpu stats
2023-02-22 12:57:10 +01:00
act_gact.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
act_gate.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_ife.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_ipt.c
net/sched: act_ipt: add sanity checks on table name and hook locations
2023-07-23 13:47:28 +02:00
act_meta_mark.c
…
act_meta_skbprio.c
…
act_meta_skbtcindex.c
…
act_mirred.c
net/sched: act_mirred: Add carrier check
2023-05-17 11:50:17 +02:00
act_mpls.c
net/sched: act_mpls: fix action bind logic
2023-03-11 13:57:30 +01:00
act_nat.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_pedit.c
net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX
2023-07-23 13:47:29 +02:00
act_police.c
net: sched: act_police: fix sparse errors in tcf_police_dump()
2023-06-14 11:13:03 +02:00
act_sample.c
net/sched: act_sample: fix action bind logic
2023-03-11 13:57:30 +01:00
act_simple.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_skbedit.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_skbmod.c
flow_offload: fill flags to action structure
2023-02-22 12:57:10 +01:00
act_tunnel_key.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
act_vlan.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_api.c
net/sched: cls_api: Fix lockup on flushing explicitly created chain
2023-06-21 15:59:18 +02:00
cls_basic.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_bpf.c
net: sched: cls_bpf: Undo tcf_bind_filter in case of an error
2023-07-27 08:47:00 +02:00
cls_cgroup.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_flow.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_flower.c
net/sched: flower: Ensure both minimum and maximum ports are specified
2023-07-23 13:47:45 +02:00
cls_fw.c
net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after-free
2023-08-11 15:13:52 +02:00
cls_matchall.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_route.c
net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free
2023-08-11 15:13:52 +02:00
cls_rsvp6.c
…
cls_rsvp.c
…
cls_rsvp.h
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_u32.c
net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after-free
2023-08-11 15:13:52 +02:00
em_canid.c
…
em_cmp.c
net: sched: fix misspellings using misspell-fixer tool
2020-11-10 17:00:28 -08:00
em_ipset.c
…
em_ipt.c
…
em_meta.c
…
em_nbyte.c
net: sched: Return the correct errno code
2021-02-06 11:15:28 -08:00
em_text.c
…
em_u32.c
…
ematch.c
net_sched: reject TCF_EM_SIMPLE case for complex ematch module
2022-12-31 13:14:39 +01:00
Kconfig
net/sched: Retire tcindex classifier
2023-03-11 13:57:22 +01:00
Makefile
net/sched: Retire tcindex classifier
2023-03-11 13:57:22 +01:00
sch_api.c
net/sched: fix a qdisc modification with ambiguous command request
2023-08-30 16:18:15 +02:00
sch_atm.c
net: sched: atm: dont intepret cls results when asked to drop
2023-01-12 11:59:14 +01:00
sch_blackhole.c
…
sch_cake.c
net: sched: cake: fix null pointer access issue when cake_init() fails
2022-10-29 10:12:57 +02:00
sch_cbq.c
net: sched: cbq: dont intepret cls results when asked to drop
2023-01-12 11:59:14 +01:00
sch_cbs.c
net: don't include ethtool.h from netdevice.h
2020-11-23 17:27:04 -08:00
sch_choke.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_codel.c
…
sch_drr.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_dsmark.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_etf.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_ets.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_fifo.c
net_sched: fix NULL deref in fifo_set_limit()
2021-10-01 14:59:10 -07:00
sch_fq_codel.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_fq_pie.c
net/sched: fq_pie: ensure reasonable TCA_FQ_PIE_QUANTUM values
2023-06-14 11:13:01 +02:00
sch_fq.c
net/sched: sch_fq: fix integer overflow of "credit"
2023-05-11 23:00:31 +09:00
sch_frag.c
net/sched: Extend qdisc control block with tc control block
2022-01-05 12:42:33 +01:00
sch_generic.c
net/sched: fix netdevice reference leaks in attach_default_qdiscs()
2022-09-08 12:28:02 +02:00
sch_gred.c
net: sched: Fix spelling mistakes
2021-05-31 22:44:56 -07:00
sch_hfsc.c
net/sched: sch_hfsc: Ensure inner classes have fsc curve
2023-09-19 12:22:35 +02:00
sch_hhf.c
…
sch_htb.c
net: sched: sch: Fix off by one in htb_activate_prios()
2023-02-22 12:57:11 +01:00
sch_ingress.c
net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs
2023-06-09 10:32:17 +02:00
sch_mq.c
net: sched: update default qdisc visibility after Tx queue cnt changes
2021-11-18 19:16:10 +01:00
sch_mqprio.c
net/sched: mqprio: Add length check for TCA_MQPRIO_{MAX/MIN}_RATE64
2023-08-03 10:22:36 +02:00
sch_multiq.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_netem.c
sch_netem: fix issues in netem_change() vs get_dist_table()
2023-08-16 18:22:04 +02:00
sch_pie.c
net: sched: fix misspellings using misspell-fixer tool
2020-11-10 17:00:28 -08:00
sch_plug.c
…
sch_prio.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_qfq.c
net/sched: sch_qfq: reintroduce lmax bound check for MTU
2023-07-23 13:47:58 +02:00
sch_red.c
net: sched: Fix use after free in red_enqueue()
2022-11-10 18:15:28 +01:00
sch_sfb.c
net: sched: sfb: fix null pointer access issue when sfb_init() fails
2022-10-29 10:12:57 +02:00
sch_sfq.c
net/sched: store the last executed chain also for clsact egress
2021-07-29 22:17:37 +01:00
sch_skbprio.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_taprio.c
net/sched: taprio: Limit TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME to INT_MAX.
2023-08-11 15:13:52 +02:00
sch_tbf.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00
sch_teql.c
net: sched: delete duplicate cleanup of backlog and qlen
2022-10-29 10:12:57 +02:00