On Wed, Jun 12, 2024 at 04:40:33PM GMT, Greg KH wrote:
> On Thu, Jun 06, 2024 at 11:48:33AM +0800, Shung-Hsi Yu wrote:
> > Two additional changes not present in the original patch:
> > 1. Check optlen in the XDP_UMEM_REG case as well. It was added in commit
> > c05cd36458147 ("xsk: add support to allow unaligned chunk placement")
> > but seems like too big of a change for stable
> > 2. copy_from_sockptr() in the context was replace copy_from_usr()
> > because commit a7b75c5a8c414 ("net: pass a sockptr_t into
> > ->setsockopt") was not present
> >
> > [ Upstream commit 237f3cf13b20db183d3706d997eedc3c49eacd44 ]
>
> What about 5.4.y? We can't take a patch in an older stable tree and
> have a regression when someone moves to a new one, right?
>
> I'll drop this for now and wait for a backport for both trees before
> applying it.
I somehow though I've checked that 5.4 contains the fix, but apparently
not. Will send backoprt for 5.4 as well.
Shung-Hsi Yu
