netdev - [PATCH net 0/6] net/sched: Fix packet loops in mirred and netem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20260111163947.811248-1-jhs@mojatatu.com>
Date: Sun, 11 Jan 2026 11:39:41 -0500
From: Jamal Hadi Salim <jhs@...atatu.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org,
	andrew+netdev@...n.ch
Cc: netdev@...r.kernel.org,
	xiyou.wangcong@...il.com,
	jiri@...nulli.us,
	victor@...atatu.com,
	dcaratti@...hat.com,
	lariel@...dia.com,
	daniel@...earbox.net,
	pablo@...filter.org,
	kadlec@...filter.org,
	fw@...len.de,
	phil@....cc,
	netfilter-devel@...r.kernel.org,
	coreteam@...filter.org,
	zyc199902@...omail.cn,
	lrGerlinde@...lfence.com,
	jschung2@...ton.me,
	Jamal Hadi Salim <jhs@...atatu.com>
Subject: [PATCH net 0/6] net/sched: Fix packet loops in mirred and netem


We introduce a 2-bit global skb->ttl counter.Patch #1 describes how we puti
together those bits. Patches #2 and patch #5 use these bits.
I added Fixes tags to patch #1 in case it is useful for backporting.
Patch #3 and #4 revert William's earlier netem commits. Patch #6 introduces
tdc test cases.

Jamal Hadi Salim (5):
  net: Introduce skb ttl field to track packet loops
  net/sched: Fix ethx:ingress -> ethy:egress -> ethx:ingress mirred loop
  Revert "net/sched: Restrict conditions for adding duplicating netems
    to qdisc tree"
  Revert "selftests/tc-testing: Add tests for restrictions on netem
    duplication"
  net/sched: fix packet loop on netem when duplicate is on

Victor Nogueira (1):
  selftests/tc-testing: Add netem/mirred test cases exercising loops

 drivers/net/ifb.c                             |   2 +-
 include/linux/skbuff.h                        |  24 +-
 include/net/sch_generic.h                     |  22 +
 net/netfilter/nft_fwd_netdev.c                |   1 +
 net/sched/act_mirred.c                        |  45 +-
 net/sched/sch_netem.c                         |  47 +-
 .../tc-testing/tc-tests/actions/mirred.json   | 616 +++++++++++++++++-
 .../tc-testing/tc-tests/infra/qdiscs.json     |   5 +-
 .../tc-testing/tc-tests/qdiscs/netem.json     |  96 +--
 9 files changed, 698 insertions(+), 160 deletions(-)

-- 
2.34.1