[CRIU] [PATCH v5 00/31] Nested user namespaces support

[Andrei Vagin]

On Thu, Feb 23, 2017 at 06:12:21PM +0300, Kirill Tkhai wrote:
> Hi,
> 
> this is the 5th version of nested user namespaces support.
> In comparation to v4 there were made changes in test userns01
> and fixed minor warning, given by checker.
>

Applied, thanks!

> https://travis-ci.org/tkhai/criu/builds/204611759
> ---
> 
> Kirill Tkhai (31):
>       zdtm: Add userns00 test
>       zdtm: Add userns01 test
>       ns: Set nested namespaces hookups
>       ns: Set hookups for all namespaces
>       ns: Change arguments of dump_user_ns()
>       user_ns: Make collect_user_ns() allocate child UsernsEntry mappings
>       user_ns: Make host_id() working with any mapping and rename it
>       ns: Rename and export userns_id() and INVALID_ID
>       ns: Implement target_userns_{u,g}id() and root_userns_{u,g}id()
>       ns: Add user and pid ns_id on restore
>       user_ns: Name loading UsernsEntry mappings on restore "old format"
>       ns: Provide the case when root_item has !NS_ROOT user_ns in rst_add_ns_id()
>       ns: Set pointer to root_user_ns in ns_ids
>       ns: Implement dup_userns_entry()
>       images: Move uid_gid_extent and userns_entry descriptions
>       proto: Add ns_entry description
>       ns: Write/read ns entries in new way
>       ns: Make prepare_userns() have ns map parameter
>       ns: Make write_id_map() use CR_PROC_FD_OFF
>       proc: Close CR_PROC_FD_OFF and TRANSPORT_FD_OFF later
>       utils: Move getting real pid functionality to separate function
>       ns: Generate user_ns tree
>       user_ns: Set user_ns before net_ns creation
>       utils: Introduce open_fd_of_real_pid()
>       ns: Implement set_user_ns()
>       ns: Set target user_ns after net_ns is set
>       shmem: Fixup shmem_wait_and_open() opens foreign /proc/[pid]/fd/[i]
>       rst: Pass pstree_item argument to alloc_groups_copy_creds()
>       ns: Dump creds xids in root_user_ns
>       ns: Convert task cred's xids to target user ns
>       ns: Allow nested user namespaces
> 
> 
>  criu/cgroup.c                   |    2 
>  criu/cr-dump.c                  |    6 
>  criu/cr-restore.c               |   82 +++-
>  criu/files.c                    |    1 
>  criu/image-desc.c               |    1 
>  criu/include/cgroup.h           |    2 
>  criu/include/image-desc.h       |    1 
>  criu/include/magic.h            |    1 
>  criu/include/namespaces.h       |   37 ++
>  criu/include/parasite-syscall.h |    4 
>  criu/include/protobuf-desc.h    |    1 
>  criu/include/pstree.h           |    1 
>  criu/include/util.h             |    3 
>  criu/namespaces.c               |  787 ++++++++++++++++++++++++++++++++++++---
>  criu/net.c                      |   43 ++
>  criu/parasite-syscall.c         |   42 +-
>  criu/pie/restorer.c             |   41 +-
>  criu/protobuf-desc.c            |    2 
>  criu/pstree.c                   |   14 +
>  criu/shmem.c                    |    4 
>  criu/util.c                     |   48 ++
>  images/Makefile                 |    1 
>  images/ns.proto                 |   19 +
>  images/userns.proto             |   12 -
>  lib/py/images/images.py         |    1 
>  test/zdtm/static/Makefile       |    2 
>  test/zdtm/static/userns00.c     |  296 +++++++++++++++
>  test/zdtm/static/userns00.desc  |    1 
>  test/zdtm/static/userns01.c     |  150 +++++++
>  test/zdtm/static/userns01.desc  |    1 
>  30 files changed, 1463 insertions(+), 143 deletions(-)
>  delete mode 100644 images/userns.proto
>  create mode 100644 test/zdtm/static/userns00.c
>  create mode 100644 test/zdtm/static/userns00.desc
>  create mode 100644 test/zdtm/static/userns01.c
>  create mode 100644 test/zdtm/static/userns01.desc
> 
> --
> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>