linux-kernel - Re: [PATCH] futex: don't leak robust

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Message-ID: <CAH4c4jK45KVB7Zg_-xk6zYDgS16yq4Zrzvg1dTGxTaVQTMF=bg@mail.gmail.com>
Date: Fri, 25 Jul 2025 17:13:37 +0530
From: Pranav Tyagi <pranav.tyagi03@...il.com>
To: Kees Cook <kees@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Peter Zijlstra <peterz@...radead.org>, Darren Hart <dvhart@...radead.org>, 
	Davidlohr Bueso <dave@...olabs.net>, André Almeida <andrealmeid@...lia.com>, 
	linux-kernel@...r.kernel.org, jann@...jh.net, skhan@...uxfoundation.org, 
	linux-kernel-mentees@...ts.linux.dev
Subject: Re: [PATCH] futex: don't leak robust_list pointer on exec race

On Thu, Jul 24, 2025 at 11:07 PM Kees Cook <kees@...nel.org> wrote:
>
> On Wed, Jun 18, 2025 at 11:50:31AM +0530, Pranav Tyagi wrote:
> > I hope this explains the consequences of the race condition. If it is fine,
> > I'll add it to changelog when I resubmit with the helper function.
>
> Thanks for working on this! Are you still planning to send a v2 of this
> patch? It'd be lovely to make progress on closing out all the items in
> https://github.com/KSPP/linux/issues/119
> :)
>
> -Kees
>
> --
> Kees Cook

Hi Kees,

I will definitely send a v2 of this patch and would like to work on all
of the issues listed on https://github.com/KSPP/linux/issues/119,
as it presents me with a great learning opportunity.

Regards
Pranav Tyagi