netdev - Re: [Intel-wired-lan] [PATCH net-next v1 4/7] selftests: net: add a test for shared UDP tunnel info tables

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

Date:   Tue, 22 Sep 2020 11:35:57 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     "Brown, Aaron F" <aaron.f.brown@...el.com>
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
Subject: Re: [Intel-wired-lan] [PATCH net-next v1 4/7] selftests: net: add a
 test for shared UDP tunnel info tables

On Tue, 22 Sep 2020 17:34:41 +0000 Brown, Aaron F wrote:
> I should have tunneling enabled as modules, config I was using in
> it's entirety (started with a `make localmodconfig` on a Red Hat
> EL8.x box then started adding modules as needed, so I expect I am
> missing something :)  config follows:

No luck :(

# ./udp_tunnel_nic.sh 
PASSED all 435 checks

Since your failures are on port 1 - which is the config where the
driver sleeps I wonder if this is not a race condition of some sort.

Could you try poking at the values in function check_tables?
The sleep lengths and the retries?