[CRIU] [PATCH v3 0/2] mem: Address dropped guard pages from procfs report

[Adrian Reber]

On Tue, Jun 27, 2017 at 11:41:06AM -0700, Andrey Vagin wrote:
> Applied
> On Mon, Jun 26, 2017 at 11:55:27PM +0300, Cyrill Gorcunov wrote:
> > Cyrill Gorcunov (2):
> >   kerndat: Detect if we have guard page mangle in procfs output
> >   mem: Don't assume guard page is returned in procfs with new kernels
> > 
> >  criu/include/kerndat.h |  1 +
> >  criu/include/mem.h     |  2 ++
> >  criu/kerndat.c         | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++
> >  criu/mem.c             | 19 +++++++++----
> >  criu/proc_parse.c      |  3 +-
> >  5 files changed, 95 insertions(+), 6 deletions(-)
> > 
> > -- 
> > 2.7.5

Trying the master branch this fix seems to work on my test system, but
it still fails using the criu-dev branch. I see that these patches exist
on the criu-dev branch but zdtm fails with:

------------------------ grep Error ------------------------
task_args->nr_threads: 1
task_args->clone_restore_fn: 0x11200
task_args->thread_args: 0x22600
(00.006597)pie: 24: Switched to the restorer 24
(00.006598)pie: 24: Error (criu/pie/parasite-vdso.c:49): vdso: BUG at criu/pi>
(00.006598)pie: 24: e/parasite-vdso.c:49
(00.006598)pie: 24: e/parasite-vdso.c:49
(00.009079) Error (criu/cr-restore.c:1472): 24 killed by signal 11: Segmentation fault
(00.009094) Error (criu/cr-restore.c:2378): Restoring FAILED.
------------------------ ERROR OVER ------------------------

Any ideas what I might be doing wrong?

		Adrian