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Message-ID: <ZiVRU_nBc91qp0j7@google.com>
Date: Sun, 21 Apr 2024 17:48:03 +0000
From: Carlos Llamas <cmllamas@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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>,
	Serban Constantinescu <serban.constantinescu@....com>,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	Alice Ryhl <aliceryhl@...gle.com>, stable@...r.kernel.org
Subject: Re: [PATCH 4/4] binder: fix max_thread type inconsistency

On Sun, Apr 21, 2024 at 08:39:23AM +0200, Greg Kroah-Hartman wrote:
> On Sun, Apr 21, 2024 at 12:00:30AM +0000, Carlos Llamas wrote:
> > On Thu, Apr 18, 2024 at 06:40:52AM +0200, Greg Kroah-Hartman wrote:
> > > On Wed, Apr 17, 2024 at 07:13:44PM +0000, Carlos Llamas wrote:
> > > > The type defined for the BINDER_SET_MAX_THREADS ioctl was changed from
> > > > size_t to __u32 in order to avoid incompatibility issues between 32 and
> > > > 64-bit kernels. However, the internal types used to copy from user and
> > > > store the value were never updated. Use u32 to fix the inconsistency.
> > > > 
> > > > Fixes: a9350fc859ae ("staging: android: binder: fix BINDER_SET_MAX_THREADS declaration")
> > > > Reported-by: Arve Hjønnevåg <arve@...roid.com>
> > > > Cc: stable@...r.kernel.org
> > > > Signed-off-by: Carlos Llamas <cmllamas@...gle.com>
> > > > ---
> > > >  drivers/android/binder.c          | 2 +-
> > > >  drivers/android/binder_internal.h | 2 +-
> > > >  2 files changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > Why does only patch 4/4 need to go into the tree now, and as a stable
> > > backport, but the first 3 do not?  Shouldn't this be two different
> > > series of patches, one 3 long, and one 1 long, to go to the different
> > > branches (next and linus)?
> > 
> > Yes, that is correct. Only patch 4/4 would need to be picked for linus
> > now and for stable. The others would go to next. Sorry, I was not aware
> > that sending them separately would be preferred.
> > 
> > I'll drop 4/4 patch from the series in v2. Let me know if you still need
> > me to send it again separately.
> 
> Please do, thanks!
> 
> greg k-h
> 

Ok, done. The separated patch is here:
https://lore.kernel.org/all/20240421173750.3117808-1-cmllamas@google.com/

Thanks,
Carlos Llamas

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