netdev - Re: [Patch net v2 3/3] selftests/tc-testing: Add test for HFSC queue emptying during peek operation

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-prev] [day] [month] [year] [list]

Message-ID: <dbd22817-305a-4e7d-b8df-1343f5284501@mojatatu.com>
Date: Fri, 18 Apr 2025 08:44:12 -0300
From: Victor Nogueira <victor@...atatu.com>
To: Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
Cc: jhs@...atatu.com, jiri@...nulli.us, gerrard.tai@...rlabs.sg
Subject: Re: [Patch net v2 3/3] selftests/tc-testing: Add test for HFSC queue
 emptying during peek operation

On 4/17/25 15:47, Cong Wang wrote:
> Add a selftest to exercise the condition where qdisc implementations
> like netem or codel might empty the queue during a peek operation.
> This tests the defensive code path in HFSC that checks the queue length
> again after peeking to handle this case.
> 
> Based on the reproducer from Gerrard, improved by Jamal.
> 
> Reported-by: Gerrard Tai <gerrard.tai@...rlabs.sg>
> Cc: Victor Nogueira <victor@...atatu.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Tested-by: Victor Nogueira <victor@...atatu.com>