Re: Patch "bpf: Prevent unsafe access to the sock fields in the BPF timestamping callback" has been added to the 6.1-stable tree

[Greg KH <greg@kroah.com>]

On Fri, May 23, 2025 at 04:17:21PM -0700, Martin KaFai Lau wrote:
> On 5/22/25 4:25 PM, Jason Xing wrote:
> > On Fri, May 23, 2025 at 7:17 AM Sasha Levin <sashal@kernel.org> wrote:
> > > 
> > > This is a note to let you know that I've just added the patch titled
> > > 
> > >      bpf: Prevent unsafe access to the sock fields in the BPF timestamping callback
> > > 
> > > to the 6.1-stable tree which can be found at:
> > >      http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> > > 
> > > The filename of the patch is:
> > >       bpf-prevent-unsafe-access-to-the-sock-fields-in-the-.patch
> > > and it can be found in the queue-6.1 subdirectory.
> > > 
> > > If you, or anyone else, feels it should not be added to the stable tree,
> > > please let <stable@vger.kernel.org> know about it.
> > 
> > Hi,
> > 
> > I'm notified that this patch has been added into many branches, which
> > is against my expectations. The BPF timestaping feature was
> > implemented in 6.14 and the patch you are handling is just one of them.
> > 
> > The function of this patch prevents unexpected bpf programs using this
> > feature from triggering
> > fatal problems. So, IMHO, we don't need this patch in all the
> > older/stable branches:)
> > 
> > Thanks,
> > Jason
> > 
> > 
> > > 
> > > 
> > > 
> > > commit 00b709040e0fdf5949dfbf02f38521e0b10943ac
> > > Author: Jason Xing <kerneljasonxing@gmail.com>
> > > Date:   Thu Feb 20 15:29:31 2025 +0800
> > > 
> > >      bpf: Prevent unsafe access to the sock fields in the BPF timestamping callback
> > > 
> > >      [ Upstream commit fd93eaffb3f977b23bc0a48d4c8616e654fcf133 ]
> > > 
> > >      The subsequent patch will implement BPF TX timestamping. It will
> 
> Agree. The patch is a preparation work for the new bpf tx timestamping
> feature. It is not stable material.

Dropped from everywhere, thanks.

greg k-h