AuxXxilium/linux_dsm_epyc7002
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epyc7002
linux_dsm_epyc7002/net/sched
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Xiyu Yang 0a5dc4e135 net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed 
[ Upstream commit c66070125837900163b81a03063ddd657a7e9bfb ]

The reference counting issue happens in one exception handling path of
cbq_change_class(). When failing to get tcf_block, the function forgets
to decrease the refcount of "rtab" increased by qdisc_put_rtab(),
causing a refcount leak.

Fix this issue by jumping to "failure" label when get tcf_block failed.

Fixes: 6529eaba33 ("net: sched: introduce tcf block infractructure")
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Reviewed-by: Cong Wang <cong.wang@bytedance.com>
Link: https://lore.kernel.org/r/1630252681-71588-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-05 19:13:22 +02:00
..
act_api.c net: sched: fix error return code in tcf_del_walker() 2021-07-19 09:44:51 +02:00
act_bpf.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_connmark.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_csum.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ct.c net/sched: act_ct: remove and free nf_table callbacks 2021-07-25 14:36:19 +02:00
act_ctinfo.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_gact.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_gate.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_ife.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ipt.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -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: Reset ct info when mirror/redirect skb 2024-07-05 18:54:23 +02:00
act_mpls.c net/sched: act_mpls: ensure LSE is pullable before reading it 2020-12-03 11:13:37 -08:00
act_nat.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_pedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_police.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_sample.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_simple.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_skbedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_skbmod.c net/sched: act_skbmod: Skip non-Ethernet packets 2021-07-28 14:35:40 +02:00
act_tunnel_key.c net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN tunnels 2020-10-20 21:10:41 -07:00
act_vlan.c net/sched: act_vlan: Fix modify to allow 0 2021-07-14 16:56:19 +02:00
cls_api.c init: add dsm gpl source 2024-07-05 18:00:04 +02:00
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 Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
cls_flower.c net/sched: cls_flower: use ntohs for struct flow_dissector_key_ports 2021-05-19 10:12:53 +02:00
cls_fw.c net_sched: fix ops->bind_class() implementations 2020-01-27 10:51:43 +01:00
cls_matchall.c net: qos offload add flow status with dropped count 2020-06-19 12:53:30 -07:00
cls_route.c net_sched: cls_route: remove the right filter from hashtable 2020-03-16 01:59:32 -07:00
cls_rsvp6.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
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_tcindex.c net: sched: fix memory leak in tcindex_partial_destroy_work 2021-07-28 14:35:38 +02:00
cls_u32.c init: add dsm gpl source 2024-07-05 18:00:04 +02:00
em_canid.c net: sched: kerneldoc fixes 2020-07-13 17:20:40 -07:00
em_cmp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
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 sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-03 14:34:53 -07:00
em_nbyte.c net: sched: Replace zero-length array with flexible-array member 2020-02-29 21:27:02 -08:00
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: kerneldoc fixes 2020-07-13 17:20:40 -07:00
Kconfig net: sched: incorrect Kconfig dependencies on Netfilter modules 2021-02-23 15:53:23 +01:00
Makefile net: qos: introduce a gate control flow action 2020-05-01 16:08:19 -07:00
sch_api.c net: sched: avoid duplicates in classes dump 2021-03-17 17:06:14 +01:00
sch_atm.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
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: fix srchost/dsthost hashing mode 2024-07-05 18:55:47 +02:00
sch_cbq.c net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed 2024-07-05 19:13:22 +02:00
sch_cbs.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_choke.c net: sched: validate stab values 2021-03-30 14:31:57 +02:00
sch_codel.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_drr.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_dsmark.c sch_dsmark: fix a NULL deref in qdisc_reset() 2021-06-03 09:00:50 +02:00
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: ets: fix crash when flipping from 'strict' to 'quantum' 2024-07-05 18:59:37 +02:00
sch_fifo.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fq_codel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_fq_pie.c net/sched: fq_pie: fix OOB access in the traffic path 2021-06-03 09:00:28 +02:00
sch_fq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_generic.c net: sched: fix lockdep_set_class() typo error for sch->seqlock 2024-07-05 18:52:09 +02:00
sch_gred.c net: sched: validate stab values 2021-03-30 14:31:57 +02:00
sch_hfsc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_hhf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_htb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_ingress.c net: sched: Pass ingress block to tcf_classify_ingress 2020-02-19 17:49:48 -08:00
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 Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_netem.c netem: fix zero division in tabledist 2020-10-29 11:45:47 -07:00
sch_pie.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_plug.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_prio.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_qfq.c pkt_sched: sch_qfq: fix qfq_change_class() error path 2021-07-14 16:56:25 +02:00
sch_red.c net: sched: validate stab values 2021-03-30 14:31:57 +02:00
sch_sfb.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_sfq.c net: sched: validate stab values 2021-03-30 14:31:57 +02:00
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: tapr: prevent cycle_time == 0 in parse_taprio_schedule 2021-05-19 10:12:57 +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 2021-04-14 08:42:02 +02:00