Dear friends,
Please, ignore. I had to resent [1] the series because Kuniyuki
Iwashima's email in @amazon.com is no longer valid.
[1] https://lore.kernel.org/netdev/20250629214449.14462-1-aleksandr.mikhalitsyn@canonical.com/
Sorry for the inconvenience and extra noise.
Kind regards,
Alex
On Sun, Jun 29, 2025 at 11:40 PM Alexander Mikhalitsyn
<aleksandr.mikhalitsyn@canonical.com> wrote:
>
> This is a logical continuation of a story from [1], where Christian
> extented SO_PEERPIDFD to allow getting pidfds for a reaped tasks.
>
> Git tree:
> https://github.com/mihalicyn/linux/commits/scm_pidfd_stale
>
> Series based on https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git/log/?h=vfs-6.17.pidfs
>
> It does not use pidfs_get_pid()/pidfs_put_pid() API as these were removed in a scope of [2].
> I've checked that net-next branch currently (still) has these obsolete functions, but it
> will eventually include changes from [2], so it's not a big problem.
>
> Link: https://lore.kernel.org/all/20250425-work-pidfs-net-v2-0-450a19461e75@kernel.org/ [1]
> Link: https://lore.kernel.org/all/20250618-work-pidfs-persistent-v2-0-98f3456fd552@kernel.org/ [2]
>
> Cc: linux-kernel@vger.kernel.org
> Cc: netdev@vger.kernel.org
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: Willem de Bruijn <willemb@google.com>
> Cc: Leon Romanovsky <leon@kernel.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Christian Brauner <brauner@kernel.org>
> Cc: Kuniyuki Iwashima <kuniyu@amazon.com>
> Cc: Lennart Poettering <mzxreary@0pointer.de>
> Cc: Luca Boccassi <bluca@debian.org>
> Cc: David Rheinsberg <david@readahead.eu>
>
> Alexander Mikhalitsyn (6):
> af_unix: rework unix_maybe_add_creds() to allow sleep
> af_unix: introduce unix_skb_to_scm helper
> af_unix: introduce and use __scm_replace_pid() helper
> af_unix: stash pidfs dentry when needed
> af_unix: enable handing out pidfds for reaped tasks in SCM_PIDFD
> selftests: net: extend SCM_PIDFD test to cover stale pidfds
>
> include/net/scm.h | 46 +++-
> net/core/scm.c | 13 +-
> net/unix/af_unix.c | 76 ++++--
> .../testing/selftests/net/af_unix/scm_pidfd.c | 217 ++++++++++++++----
> 4 files changed, 285 insertions(+), 67 deletions(-)
>
> --
> 2.43.0
>