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Message-ID: <YGs3Voq0codXCHbA@kroah.com>
Date: Mon, 5 Apr 2021 18:14:14 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Jianmin Wang <jianmin@...as.ac.cn>
Cc: stable@...r.kernel.org, omosnace@...hat.com, davem@...emloft.net,
dzickus@...hat.com, herbert@...dor.apana.org.au,
linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
smueller@...onox.de, steffen.klassert@...unet.com
Subject: Re: [PATCH] backports: crypto user - make NETLINK_CRYPTO work inside
netns
On Mon, Apr 05, 2021 at 01:55:15PM +0000, Jianmin Wang wrote:
> There is same problem found in linux 4.19.y as upstream commit. The
> changes of crypto_user_* and cryptouser.h files from upstream patch are merged into
> crypto/crypto_user.c for backporting.
>
> Upstream commit:
> commit 91b05a7e7d8033a90a64f5fc0e3808db423e420a
> Author: Ondrej Mosnacek <omosnace@...hat.com>
> Date: Tue, 9 Jul 2019 13:11:24 +0200
>
> Currently, NETLINK_CRYPTO works only in the init network namespace. It
> doesn't make much sense to cut it out of the other network namespaces,
> so do the minor plumbing work necessary to make it work in any network
> namespace. Code inspired by net/core/sock_diag.c.
>
> Signed-off-by: Ondrej Mosnacek <omosnace@...hat.com>
> Signed-off-by: default avatarHerbert Xu <herbert@...dor.apana.org.au>
>
> Signed-off-by: Jianmin Wang <jianmin@...as.ac.cn>
> ---
> crypto/crypto_user.c | 37 +++++++++++++++++++++++++------------
> include/net/net_namespace.h | 3 +++
> 2 files changed, 28 insertions(+), 12 deletions(-)
How does this change fit with the stable kernel rules? It looks to be a
new feature, if you need this, why not just use a newer kernel version?
What is preventing you from doing that?
thanks,
greg k-h
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