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linux-stable/net/sched
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Kuniyuki Iwashima 572d4cdf90 net: Fix data-races around weight_p and dev_weight_[rt]x_bias. 
[ Upstream commit bf955b5ab8 ]

While reading weight_p, it can be changed concurrently.  Thus, we need
to add READ_ONCE() to its reader.

Also, dev_[rt]x_weight can be read/written at the same time.  So, we
need to use READ_ONCE() and WRITE_ONCE() for its access.  Moreover, to
use the same weight_p while changing dev_[rt]x_weight, we add a mutex
in proc_do_dev_weight().

Fixes: 3d48b53fb2 ("net: dev_weight: TX/RX orthogonality")
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-31 17:16:42 +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 bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
act_connmark.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +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: convert to refcount_t api 2022-04-27 14:39:01 +02:00
act_ctinfo.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_gact.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_gate.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_ife.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_ipt.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_meta_mark.c
act_meta_skbprio.c
act_meta_skbtcindex.c
act_mirred.c net: sched: act_mirred: drop dst for the direction from egress to ingress 2021-11-25 09:48:38 +01:00
act_mpls.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_nat.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_pedit.c net/sched: act_pedit: sanitize shift argument before usage 2022-05-25 09:57:30 +02:00
act_police.c net/sched: act_police: more accurate MTU policing 2022-06-14 18:36:28 +02:00
act_sample.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_simple.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_skbedit.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
act_skbmod.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +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: fix initialization order when updating chain 0 head 2022-04-20 09:34:10 +02:00
cls_basic.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
cls_bpf.c bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +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: fix parsing of ethertype following VLAN header 2022-04-20 09:34:09 +02:00
cls_fw.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
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: disallow handle of 0 2022-08-21 15:17:48 +02:00
cls_rsvp.c
cls_rsvp.h net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
cls_rsvp6.c
cls_tcindex.c net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
cls_u32.c net/sched: cls_u32: fix possible leak in u32_init_knode() 2022-04-27 14:38:53 +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: Fix spelling mistakes 2021-05-31 22:44:56 -07:00
Kconfig net: sched: incorrect Kconfig dependencies on Netfilter modules 2020-12-09 15:49:29 -08:00
Makefile net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
sch_api.c net_sched: add __rcu annotation to netdev->qdisc 2022-02-23 12:03:12 +01:00
sch_atm.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_blackhole.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_cake.c sch_cake: do not call cake_destroy() from cake_init() 2021-12-22 09:32:40 +01:00
sch_cbq.c net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed 2021-08-30 20:29:03 -07:00
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: validate stab values 2021-03-10 15:47:52 -08:00
sch_codel.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_drr.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_dsmark.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_etf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_ets.c net/sched: sch_ets: don't remove idle classes from the round-robin list 2021-12-22 09:32:41 +01:00
sch_fifo.c net_sched: fix NULL deref in fifo_set_limit() 2021-10-01 14:59:10 -07:00
sch_fq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fq_codel.c fq_codel: reject silly quantum parameters 2021-09-04 10:49:46 +01:00
sch_fq_pie.c net/sched: fq_pie: prevent dismantle issue 2021-12-14 10:57:10 +01:00
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: Fix data-races around weight_p and dev_weight_[rt]x_bias. 2022-08-31 17:16:42 +02:00
sch_gred.c net: sched: Fix spelling mistakes 2021-05-31 22:44:56 -07:00
sch_hfsc.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_hhf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_htb.c sch_htb: Fail on unsupported parameters when offload is requested 2022-02-01 17:27:13 +01:00
sch_ingress.c
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: update default qdisc visibility after Tx queue cnt changes 2021-11-18 19:16:10 +01:00
sch_multiq.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_netem.c net/sched: sch_netem: Fix arithmetic in netem_dump() for 32-bit platforms 2022-06-29 09:03:23 +02:00
sch_pie.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
sch_plug.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_prio.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
sch_qfq.c sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc 2022-01-11 15:35:14 +01:00
sch_red.c net: sched: validate stab values 2021-03-10 15:47:52 -08:00
sch_sfb.c net/sched: store the last executed chain also for clsact egress 2021-07-29 22:17:37 +01:00
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 Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_taprio.c net/sched: taprio: Check if socket flags are valid 2022-04-20 09:34:10 +02:00
sch_tbf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_teql.c net: sched: sch_teql: fix null-pointer dereference 2021-04-08 14:14:42 -07:00