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@xxxxxxxxxx> > 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@xxxxxxxxxx> > Signed-off-by: default avatarHerbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > > Signed-off-by: Jianmin Wang <jianmin@xxxxxxxxxxx> > --- > 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