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Date: Mon, 22 Jan 2024 18:05:53 +0000
From: Carlos Llamas <cmllamas@google.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arve =?iso-8859-1?B?SGr4bm5lduVn?= <arve@android.com>,
	Todd Kjos <tkjos@android.com>, Martijn Coenen <maco@android.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	Christian Brauner <brauner@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	linux-kernel@vger.kernel.org, kernel-team@android.com,
	Alice Ryhl <aliceryhl@google.com>, stable@vger.kernel.org
Subject: Re: [PATCH v2 03/28] binder: fix race between mmput() and do_exit()
Message-ID: <Za6ugTv5lEMWa3Vg@google.com>
References: <20231201172212.1813387-1-cmllamas@google.com>
 <20231201172212.1813387-4-cmllamas@google.com>
 <Zal8A95q3jVl4nu5@google.com>
 <2024011935-placidly-justifier-4338@gregkh>
 <ZaqsBTQ1x5lQG9Rq@google.com>
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 <2024012013-zoologist-reawake-8ebe@gregkh>
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In-Reply-To: <2024012013-zoologist-reawake-8ebe@gregkh>

On Sat, Jan 20, 2024 at 07:37:25AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Jan 19, 2024 at 05:37:22PM +0000, Carlos Llamas wrote:
> > On Fri, Jan 19, 2024 at 05:06:13PM +0000, Carlos Llamas wrote:
> > > 
> > > Oops, here is the complete info:
> > > 
> > > Commit ID: 9a9ab0d963621d9d12199df9817e66982582d5a5
> > > Subject:   "binder: fix race between mmput() and do_exit()"
> > > Reason:    Fixes a race condition in binder.
> > > Versions:  v4.19+
> > > 
> > > Note this will have a trivial conflict in v4.19 and v5.10 kernels as
> > > commit d8ed45c5dcd4 is not there. Please let me know if I should send
> > > those patches separately.
> > > 
> > > Thanks,
> > > --
> > > Carlos Llamas
> > 
> > Sigh, I meant to type "conflict in v4.19 and v5.4". The patch applies
> > cleanly in v5.10+.
> 
> Yes, I need backported patches please.
> 
> thanks,
> 
> greg k-h

Backports have been sent.

linux-4.19.y:
https://lore.kernel.org/all/20240122174250.2123854-1-cmllamas@google.com/

linux-5.4.y:
https://lore.kernel.org/all/20240122175751.2214176-1-cmllamas@google.com/

The patch should apply cleanly in remaining stable branches.

Thanks,
--
Carlos Llamas