netdev - Re: [PATCH net v3 00/11] net: fix nested device bugs

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Date:   Fri, 20 Sep 2019 16:59:42 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Taehee Yoo <ap420073@...il.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, j.vosburgh@...il.com,
        vfalico@...il.com, andy@...yhouse.net, jiri@...nulli.us,
        sd@...asysnail.net, roopa@...ulusnetworks.com, saeedm@...lanox.com,
        manishc@...vell.com, rahulv@...vell.com, kys@...rosoft.com,
        haiyangz@...rosoft.com, stephen@...workplumber.org,
        sashal@...nel.org, hare@...e.de, varun@...lsio.com,
        ubraun@...ux.ibm.com, kgraul@...ux.ibm.com,
        jay.vosburgh@...onical.com
Subject: Re: [PATCH net v3 00/11] net: fix nested device bugs

On Mon, 16 Sep 2019 22:47:51 +0900, Taehee Yoo wrote:
> This patchset fixes several bugs that are related to nesting
> device infrastructure.
> Current nesting infrastructure code doesn't limit the depth level of
> devices. nested devices could be handled recursively. at that moment,
> it needs huge memory and stack overflow could occur.
> Below devices type have same bug.
> VLAN, BONDING, TEAM, MACSEC, MACVLAN and VXLAN.

Is this list exhaustive? Looks like qmi_wwan.c perhaps could also have
similar problem? Or virt_wifi? Perhaps worth CCing the authors of those
drivers and mentioning that?

Thank you for working on this!