netdev - [Patch net v3 0/4] net_sched: two security bug fixes and test cases

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Message-Id: <20250204005841.223511-1-xiyou.wangcong@gmail.com>
Date: Mon,  3 Feb 2025 16:58:37 -0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	jiri@...nulli.us,
	pctammela@...atatu.com,
	mincho@...ori.io,
	quanglex97@...il.com,
	Cong Wang <cong.wang@...edance.com>
Subject: [Patch net v3 0/4] net_sched: two security bug fixes and test cases

From: Cong Wang <cong.wang@...edance.com>

This patchset contains two bug fixes reported in security mailing list,
and test cases for both of them.

---
v3: added Fixes tag for patch 1/4
    removed a redudant ip link add/del in patch 2/4 (thanks to Pedro Tammela)

v2: replaced dummy2 with $DUMMY in pfifo_head_drop test
    reduced the number of ping's in pfifo_head_drop test
    improved commit messages

Cong Wang (2):
  netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()
  selftests/tc-testing: Add a test case for qdisc_tree_reduce_backlog()

Quang Le (2):
  pfifo_tail_enqueue: Drop new packet when sch->limit == 0
  selftests/tc-testing: Add a test case for pfifo_head_drop qdisc when
    limit==0

 net/sched/sch_fifo.c                          |  3 ++
 net/sched/sch_netem.c                         |  2 +-
 .../tc-testing/tc-tests/infra/qdiscs.json     | 34 ++++++++++++++++++-
 .../tc-testing/tc-tests/qdiscs/fifo.json      | 23 +++++++++++++
 4 files changed, 60 insertions(+), 2 deletions(-)

-- 
2.34.1