netdev - Re: [PATCH net-next 2/6] net: ipa: reorder netdev pointer assignments

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:   Thu, 5 Aug 2021 18:41:48 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alex Elder <elder@...aro.org>
Cc:     davem@...emloft.net, bjorn.andersson@...aro.org,
        evgreen@...omium.org, cpratapa@...eaurora.org,
        subashab@...eaurora.org, elder@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/6] net: ipa: reorder netdev pointer
 assignments

On Thu, 5 Aug 2021 18:27:12 -0700 Jakub Kicinski wrote:
> On Wed,  4 Aug 2021 10:36:22 -0500 Alex Elder wrote:
> > Assign the ipa->modem_netdev and endpoint->netdev pointers *before*
> > registering the network device.  As soon as the device is
> > registered it can be opened, and by that time we'll want those
> > pointers valid.
> > 
> > Similarly, don't make those pointers NULL until *after* the modem
> > network device is unregistered in ipa_modem_stop().
> > 
> > Signed-off-by: Alex Elder <elder@...aro.org>  
> 
> This one seems like a pretty legit race, net would be better if you
> don't mind.

Ah, this set was already applied, don't mind me :)