linux-kernel - Re: [PATCH v2 04/28] binder: fix async space check for 0-sized buffers

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Date: Mon, 22 Jan 2024 07:05:09 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Carlos Llamas <cmllamas@...gle.com>
Cc: Arve Hjønnevåg <arve@...roid.com>,
	Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Christian Brauner <brauner@...nel.org>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Sherry Yang <sherryy@...roid.com>, linux-kernel@...r.kernel.org,
	kernel-team@...roid.com, Alice Ryhl <aliceryhl@...gle.com>,
	stable@...r.kernel.org
Subject: Re: [PATCH v2 04/28] binder: fix async space check for 0-sized
 buffers

On Fri, Jan 19, 2024 at 05:11:26PM +0000, Carlos Llamas wrote:
> On Fri, Jan 19, 2024 at 06:48:53AM +0100, Greg Kroah-Hartman wrote:
> > On Thu, Jan 18, 2024 at 07:32:08PM +0000, Carlos Llamas wrote:
> > > On Fri, Dec 01, 2023 at 05:21:33PM +0000, Carlos Llamas wrote:
> > > > Move the padding of 0-sized buffers to an earlier stage to account for
> > > > this round up during the alloc->free_async_space check.
> > > > 
> > > > Fixes: 74310e06be4d ("android: binder: Move buffer out of area shared with user space")
> > > > Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> > > > Signed-off-by: Carlos Llamas <cmllamas@...gle.com>
> > > > ---
> > > 
> > > Sorry, I forgot to Cc: stable@...r.kernel.org.
> > 
> > 
> > <formletter>
> > 
> > This is not the correct way to submit patches for inclusion in the
> > stable kernel tree.  Please read:
> >     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> > for how to do this properly.
> > 
> > </formletter>
> 
> Oops, here is the complete info:
> 
> Commit ID: 3091c21d3e9322428691ce0b7a0cfa9c0b239eeb
> Subject:   "binder: fix async space check for 0-sized buffers"
> Reason:    Fixes an incorrect calculation of available space.
> Versions:  v4.19+

Now queued up, thanks.

greg k-h