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Eric Dumazet f921a58ae2 net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP 
If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,
taprio_parse_mqprio_opt() must validate it, or userspace
can inject arbitrary data to the kernel, the second time
taprio_change() is called.

First call (with valid attributes) sets dev->num_tc
to a non zero value.

Second call (with arbitrary mqprio attributes)
returns early from taprio_parse_mqprio_opt()
and bad things can happen.

Fixes: a3d43c0d56f1 ("taprio: Add support adding an admin schedule")
Reported-by: Noam Rathaus <noamr@ssd-disclosure.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20240604181511.769870-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-05 15:54:51 -07:00
..
act_api.c
net/sched: Load modules via their alias
2024-02-02 10:57:55 -08:00
act_bpf.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_connmark.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_csum.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_ct.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_ctinfo.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_gact.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_gate.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_ife.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_meta_mark.c
…
act_meta_skbprio.c
…
act_meta_skbtcindex.c
…
act_mirred.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-02-22 15:29:26 -08:00
act_mpls.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_nat.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_pedit.c
net: sched: Annotate struct tc_pedit with __counted_by
2024-02-19 10:58:24 +00:00
act_police.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_sample.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_simple.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_skbedit.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
act_skbmod.c
net/sched: act_skbmod: prevent kernel-infoleak
2024-04-04 09:32:29 -07:00
act_tunnel_key.c
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
act_vlan.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_api.c
net: sched: cls_api: fix slab-use-after-free in fl_dump_key
2024-04-10 08:28:26 +01:00
cls_basic.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_bpf.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_cgroup.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_flow.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_flower.c
pfcp: always set pfcp metadata
2024-04-01 10:49:28 +01:00
cls_fw.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_matchall.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_route.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
cls_u32.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
em_canid.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
em_cmp.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
em_ipset.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-03 14:34:53 -07:00
em_ipt.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-03 14:34:53 -07:00
em_meta.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
em_nbyte.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
em_text.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
em_u32.c
net: fill in MODULE_DESCRIPTION()s for net/sched
2024-02-09 14:12:02 -08:00
ematch.c
net_sched: reject TCF_EM_SIMPLE case for complex ematch module
2022-12-19 09:43:18 +00:00
Kconfig
net: sched: Remove NET_ACT_IPT from Kconfig
2024-02-13 11:24:35 +01:00
Makefile
net/sched: Retire ipt action
2024-01-02 12:41:16 +00:00
sch_api.c
rtnetlink: do not depend on RTNL for IFLA_TXQLEN output
2024-05-07 11:14:50 +02:00
sch_blackhole.c
Revert "net: sched: Pass root lock to Qdisc_ops.enqueue"
2020-07-16 16:48:34 -07:00
sch_cake.c
net_sched: cake: implement lockless cake_dump()
2024-04-19 11:34:07 +01:00
sch_cbs.c
net_sched: sch_cbs: implement lockless cbs_dump()
2024-04-19 11:34:07 +01:00
sch_choke.c
net_sched: sch_choke: implement lockless choke_dump()
2024-04-19 11:34:07 +01:00
sch_codel.c
net_sched: sch_codel: implement lockless codel_dump()
2024-04-19 11:34:07 +01:00
sch_drr.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_etf.c
net_sched: sch_tfs: implement lockless etf_dump()
2024-04-19 11:34:07 +01:00
sch_ets.c
net_sched: sch_ets: implement lockless ets_dump()
2024-04-19 11:34:07 +01:00
sch_fifo.c
net_sched: sch_fifo: implement lockless __fifo_dump()
2024-04-19 11:34:07 +01:00
sch_fq_codel.c
net_sched: sch_fq_codel: implement lockless fq_codel_dump()
2024-04-19 11:34:07 +01:00
sch_fq_pie.c
net_sched: sch_fq_pie: implement lockless fq_pie_dump()
2024-04-19 11:34:07 +01:00
sch_fq.c
net_sched: sch_fq: implement lockless fq_dump()
2024-04-19 11:34:07 +01:00
sch_frag.c
net: dst: remove unnecessary input parameter in dst_alloc and dst_init
2023-09-12 11:42:25 +02:00
sch_generic.c
net/sched: adjust device watchdog timer to detect stopped queue at right time
2024-05-09 20:24:13 -07:00
sch_gred.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_hfsc.c
net_sched: sch_hfsc: implement lockless accesses to q->defcls
2024-04-19 11:34:08 +01:00
sch_hhf.c
net_sched: sch_hhf: implement lockless hhf_dump()
2024-04-19 11:34:08 +01:00
sch_htb.c
net/sched: fix false lockdep warning on qdisc root lock
2024-04-26 10:46:41 +02:00
sch_ingress.c
net/sched: Remove alias of sch_clsact
2024-02-02 10:57:56 -08:00
sch_mq.c
net: sched: add rcu annotations around qdisc->qdisc_sleeping
2023-06-07 10:25:39 +01:00
sch_mqprio_lib.c
net: sched: Fill in missing MODULE_DESCRIPTION for qdiscs
2023-11-01 21:49:09 -07:00
sch_mqprio_lib.h
net/sched: mqprio: allow per-TC user input of FP adminStatus
2023-04-13 22:22:10 -07:00
sch_mqprio.c
netlink: introduce type-checking attribute iteration
2024-03-29 15:06:02 -07:00
sch_multiq.c
net: sched: sch_multiq: fix possible OOB write in multiq_tune()
2024-06-05 10:50:19 +01:00
sch_netem.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_pie.c
net_sched: sch_pie: implement lockless pie_dump()
2024-04-19 11:34:08 +01:00
sch_plug.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_prio.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_qfq.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_red.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_sfb.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_sfq.c
net_sched: sch_sfq: annotate data-races around q->perturb_period
2024-05-02 19:01:35 -07:00
sch_skbprio.c
net_sched: sch_skbprio: implement lockless skbprio_dump()
2024-04-19 11:34:08 +01:00
sch_taprio.c
net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
2024-06-05 15:54:51 -07:00
sch_tbf.c
net/sched: Add module aliases for cls_,sch_,act_ modules
2024-02-02 10:57:55 -08:00
sch_teql.c
net: annotate writes on dev->mtu from ndo_change_mtu()
2024-05-07 16:19:14 -07:00