[CRIU] [PATCH v4 0/3] net: Create child with CLONE_VM in prepare_net_namespaces()

[Andrei Vagin]

Applied, thanks!

On Tue, Mar 21, 2017 at 12:04:23PM +0300, Kirill Tkhai wrote:
> (This was a single patch in v2)
> (Differs to v3 in patch 3)
> 
> The main problem, decided these patches, is that create_net_ns()
> calls functions, which alloc memory using xmalloc(). So, when
> it's called from child after clone(), this memory isn't seen
> in parent. Patch 3 fixes that using CLONE_VM argument of clone().
> 
> Patch 1 is eye-found problem with mixing "return" and "exit"
> in prepare_userns_creds().
> 
> Patch 2 is new test, which fails without patch 3 applied.
> 
> When "[PATCH RFC] namespaces: use CLONE_VFORK with CLONE_VM when it is possible"
> is in tree, I'll rebase patch 3 on clone_nosan().
> 
> ---
> 
> Kirill Tkhai (3):
>       ns: Fix return collison in prepare_userns_creds()
>       zdtm: Add userns02 test
>       net: Create child with CLONE_VM in prepare_net_namespaces()
> 
> 
>  criu/include/namespaces.h      |    1 +
>  criu/namespaces.c              |    4 ++--
>  criu/net.c                     |   31 ++++++++++++++++++++++---------
>  test/zdtm/static/Makefile      |    2 ++
>  test/zdtm/static/userns01.c    |    8 ++++++--
>  test/zdtm/static/userns02.c    |    1 +
>  test/zdtm/static/userns02.desc |    1 +
>  7 files changed, 35 insertions(+), 13 deletions(-)
>  create mode 120000 test/zdtm/static/userns02.c
>  create mode 120000 test/zdtm/static/userns02.desc
> 
> --
> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>