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linux/net/sched
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Eric Dumazet ec5b0f605b net/sched: cls_u32: fix possible leak in u32_init_knode() 
While investigating a related syzbot report,
I found that whenever call to tcf_exts_init()
from u32_init_knode() is failing, we end up
with an elevated refcount on ht->refcnt

To avoid that, only increase the refcount after
all possible errors have been evaluated.

Fixes: b9a24bb76bf6 ("net_sched: properly handle failure case of tcf_exts_init()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-15 14:26:11 -07:00
..
act_api.c
flow_offload: improve extack msg for user when adding invalid filter
2022-03-02 22:16:10 -08:00
act_bpf.c
bpf: Keep the (rcv) timestamp behavior for the existing tc-bpf@ingress
2022-03-03 14:38:48 +00:00
act_connmark.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_csum.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_ct.c
net/sched: act_ct: fix ref leak when switching zones
2022-03-26 17:00:51 -07:00
act_ctinfo.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_gact.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_gate.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_ife.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_ipt.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
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
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_mpls.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_nat.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_pedit.c
flow_offload: add ops to tc_action_ops for flow action setup
2021-12-19 14:08:48 +00:00
act_police.c
net: flow_offload: add tc police action parameters
2022-02-28 11:11:35 +00:00
act_sample.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_simple.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_skbedit.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_skbmod.c
flow_offload: fill flags to action structure
2021-12-19 14:08:47 +00:00
act_tunnel_key.c
flow_offload: allow user to offload tc action to net device
2021-12-19 14:08:48 +00:00
act_vlan.c
net/sched: add vlan push_eth and pop_eth action to the hardware IR
2022-03-16 19:59:36 -07:00
cls_api.c
net/sched: fix initialization order when updating chain 0 head
2022-04-08 14:45:43 -07:00
cls_basic.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_bpf.c
bpf: Keep the (rcv) timestamp behavior for the existing tc-bpf@ingress
2022-03-03 14:38:48 +00:00
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
2022-04-08 12:07:37 +01:00
cls_fw.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
cls_matchall.c
flow_offload: validate flags of filter and actions
2021-12-19 14:08:48 +00:00
cls_route.c
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
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
net_sched: refactor TC action init API
2021-08-02 10:24:38 +01:00
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()
2022-04-15 14:26:11 -07:00
em_canid.c
net: sched: kerneldoc fixes
2020-07-13 17:20:40 -07:00
em_cmp.c
net: sched: fix misspellings using misspell-fixer tool
2020-11-10 17:00:28 -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: introduce sk_forward_alloc_get()
2021-10-27 18:20:29 -07:00
em_nbyte.c
net: sched: Return the correct errno code
2021-02-06 11:15:28 -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: 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
2022-02-14 13:36:36 +00:00
sch_atm.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +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: revise Diffserv docs
2022-01-07 08:41:29 -08:00
sch_cbq.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +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: 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: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +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
2021-12-13 12:30:23 +00:00
sch_fifo.c
net_sched: fix NULL deref in fifo_set_limit()
2021-10-01 14:59:10 -07:00
sch_fq_codel.c
fq_codel: generalise ce_threshold marking for subset of traffic
2021-10-20 15:24:36 -07:00
sch_fq_pie.c
net/sched: fq_pie: prevent dismantle issue
2021-12-09 08:01:00 -08:00
sch_fq.c
Revert "net: sched: Pass root lock to Qdisc_ops.enqueue"
2020-07-16 16:48:34 -07:00
sch_frag.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-12-31 14:35:40 +00:00
sch_generic.c
net_sched: add __rcu annotation to netdev->qdisc
2022-02-14 13:36:36 +00:00
sch_gred.c
net: sched: gred: dynamically allocate tc_gred_qopt_offload
2021-10-27 12:06:52 -07:00
sch_hfsc.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +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
2022-01-25 20:00:02 -08:00
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: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
sch_mqprio.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
sch_multiq.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
sch_netem.c
net: sched: sch_netem: Refactor code in 4-state loss generator
2021-11-15 13:23:23 +00:00
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: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
sch_qfq.c
sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
2022-01-04 12:36:51 +00:00
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
2022-04-11 10:51:00 +01:00
sch_tbf.c
net: sch_tbf: Add a graft command
2021-10-19 12:24:51 +01:00
sch_teql.c
net: sched: sch_teql: fix null-pointer dereference
2021-04-08 14:14:42 -07:00