netdev - [Patch net v2 0/3] net_sched: Fix UAF vulnerability in HFSC qdisc

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Message-Id: <20250417184732.943057-1-xiyou.wangcong@gmail.com>
Date: Thu, 17 Apr 2025 11:47:29 -0700
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	jiri@...nulli.us,
	gerrard.tai@...rlabs.sg,
	Cong Wang <xiyou.wangcong@...il.com>
Subject: [Patch net v2 0/3] net_sched: Fix UAF vulnerability in HFSC qdisc

This patchset contains two bug fixes and a selftest for the first one
which we have a reliable reproducer, please check each patch
description for details.

---
v2: Add a fix for hfsc_dequeue

Cong Wang (3):
  net_sched: hfsc: Fix a UAF vulnerability in class handling
  net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too
  selftests/tc-testing: Add test for HFSC queue emptying during peek
    operation

 net/sched/sch_hfsc.c                          | 23 ++++++++---
 .../tc-testing/tc-tests/infra/qdiscs.json     | 39 +++++++++++++++++++
 2 files changed, 56 insertions(+), 6 deletions(-)

-- 
2.34.1