[CRIU] [PATCH v10 00/10] don't use wrong pagemap (from other task) on pid reuse

[Andrew Vagin]

Applied, thanks!

On Fri, Apr 06, 2018 at 10:31:22AM +0300, Pavel Tikhomirov wrote:
> https://jira.sw.ru/browse/PSBM-67502
> https://jira.sw.ru/browse/PSBM-82864
> 
> v2: fix problems pointed out by Dmitry Safonov <0x7f454c46 at gmail.com>
> v3: fixes pointed out by Andrew Vagin <avagin at virtuozzo.com>
> v4: move detection to separate function + minor improvements
> v5-v7: handle parent's stats entry
> v8: debuging for travis fail and couple of small fixes
> 
> v9: use inventory image instead of stats as stats are not designed to
> hold restore critical data: revert old version so that new patches would
> look cleaner, skip debugging patches as they are fine and leave
> dump_uptime in stats file; also redo the pid-reuse to fix races.
> v10: add bug-link, improve comment and add small fix for parse_uptime
> 
> Pavel Tikhomirov (10):
>   Revert "memory: don't use parent memdump if detected possible pid
>     reuse"
>   Revert "stats: add a helper to get stats of parent pre-dump"
>   Revert "stats: save uptime to know when dump had happened"
>   Revert "parse: add a helper to obtain an uptime"
>   parse: add a helper to obtain an uptime
>   inventory: save uptime to know when dump had happened
>   inventory: add a helper to get entry of parent pre-dump
>   memory: don't use parent memdump if detected possible pid reuse
>   zdtm/lib: add pre-dump-notify test flag
>   zdtm: check that pid-reuse does not break iterative memory dump
> 
>  criu/cr-dump.c                      |  50 ++++++++--------
>  criu/image.c                        |  48 +++++++++++++++
>  criu/include/crtools.h              |   2 +
>  criu/include/mem.h                  |   4 +-
>  criu/include/proc_parse.h           |   2 +-
>  criu/include/stats.h                |   6 --
>  criu/mem.c                          |  35 +++++------
>  criu/proc_parse.c                   |   7 ++-
>  criu/stats.c                        |  53 ----------------
>  images/inventory.proto              |   1 +
>  test/zdtm.py                        |  27 +++++++++
>  test/zdtm/lib/ns.c                  |   7 +++
>  test/zdtm/lib/ns.h                  |   2 +
>  test/zdtm/lib/test.c                | 100 +++++++++++++++++++++++++++++++
>  test/zdtm/lib/zdtmtst.h             |   4 ++
>  test/zdtm/transition/Makefile       |   1 +
>  test/zdtm/transition/pid_reuse.c    | 116 ++++++++++++++++++++++++++++++++++++
>  test/zdtm/transition/pid_reuse.desc |   1 +
>  18 files changed, 356 insertions(+), 110 deletions(-)
>  create mode 100644 test/zdtm/transition/pid_reuse.c
>  create mode 100644 test/zdtm/transition/pid_reuse.desc
> 
> -- 
> 2.14.3
>