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From: Cong Wang <xiyou.wangcong@gmail.com>
To: netdev@vger.kernel.org
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Subject: [Patch net 0/2] net_sched: fix a UAF in tcf_action_init()
Date: Tue, 22 Sep 2020 20:56:22 -0700	[thread overview]
Message-ID: <20200923035624.7307-1-xiyou.wangcong@gmail.com> (raw)

This patchset fixes a use-after-free triggered by syzbot. Please
find more details in each patch description.

---

Cong Wang (2):
  net_sched: defer tcf_idr_insert() in tcf_action_init_1()
  net_sched: commit action insertions together

 include/net/act_api.h      |  2 --
 net/sched/act_api.c        | 52 +++++++++++++++++++++++++-------------
 net/sched/act_bpf.c        |  4 +--
 net/sched/act_connmark.c   |  1 -
 net/sched/act_csum.c       |  3 ---
 net/sched/act_ct.c         |  2 --
 net/sched/act_ctinfo.c     |  3 ---
 net/sched/act_gact.c       |  2 --
 net/sched/act_gate.c       |  3 ---
 net/sched/act_ife.c        |  3 ---
 net/sched/act_ipt.c        |  2 --
 net/sched/act_mirred.c     |  2 --
 net/sched/act_mpls.c       |  2 --
 net/sched/act_nat.c        |  3 ---
 net/sched/act_pedit.c      |  2 --
 net/sched/act_police.c     |  2 --
 net/sched/act_sample.c     |  2 --
 net/sched/act_simple.c     |  2 --
 net/sched/act_skbedit.c    |  2 --
 net/sched/act_skbmod.c     |  2 --
 net/sched/act_tunnel_key.c |  3 ---
 net/sched/act_vlan.c       |  2 --
 22 files changed, 35 insertions(+), 66 deletions(-)

-- 
2.28.0


             reply	other threads:[~2020-09-23  3:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23  3:56 Cong Wang [this message]
2020-09-23  3:56 ` [Patch net 1/2] net_sched: defer tcf_idr_insert() in tcf_action_init_1() Cong Wang
2020-09-25 15:24   ` Vlad Buslov
2020-09-25 19:22     ` Cong Wang
2020-09-25 19:45       ` Vlad Buslov
2020-09-28 10:14         ` Davide Caratti
2020-09-28 17:38           ` Cong Wang
2020-09-23  3:56 ` [Patch net 2/2] net_sched: commit action insertions together Cong Wang
2020-09-25 15:51   ` Vlad Buslov
2020-09-25  2:47 ` [Patch net 0/2] net_sched: fix a UAF in tcf_action_init() David Miller

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