netdev - Re: [PATCH 06/11] sysctl: Add size to register_net

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Date: Wed, 21 Jun 2023 13:49:27 +0200
From: Joel Granados <j.granados@...sung.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
CC: <mcgrof@...nel.org>, Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky
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Subject: Re: [PATCH 06/11] sysctl: Add size to register_net_sysctl function

On Wed, Jun 21, 2023 at 01:49:54PM +0300, Dan Carpenter wrote:
> On Wed, Jun 21, 2023 at 12:47:30PM +0300, Dan Carpenter wrote:
> > The patchset doesn't include the actual interesting changes, just a
> > bunch of mechanical prep work.
> > 
> 
> I was wrong here, the patchset just hadn't all hit the mailing lists.
not even. It was that the patch got mangled by some error on my side.

> I can't apply this patchset to anything.  I tried linux-next, net, and
> net-next.  So it's hard to review.
All this applies cleanly to mcgrof's sysctl-next branch here
https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/log/?h=sysctl-next

> 
> It looks like ensure_safe_net_sysctl() never got update to use
> table_size...
Done. I realized this while checking out your other comments. thx.

> 
> You could easily write a static checker test to print a warning any time
> that ->procname is checked for NULL.  I have attached a Smatch check.
> You would need to added to check_list.h and recompile.
Awesome!!!, I had been doing this with coccinelle, I'll recompile with
smatch and see if I get extra hits. Thx!
> 
> net/sysctl_net.c:130 ensure_safe_net_sysctl() warn: checking ->procname 'ent->procname'
Done. Will be available in V2

> 
> regards,
> dan carpenter
> 

Best
-- 

Joel Granados

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