[CRIU] [PATCH] zdtm: check permissions for map_files

[Andrew Vagin]

On Thu, Jul 14, 2016 at 02:23:33PM +0300, Pavel Emelyanov wrote:
> On 07/13/2016 09:23 PM, Andrey Vagin wrote:
> > From: Andrew Vagin <avagin at virtuozzo.com>
> > 
> > They have to be the same before dump and after restore.
> > 
> > Cc: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
> > Test-for: b67d37d96fa0 ("proc_parse: fix vma file open mode recognition")
> > Signed-off-by: Andrew Vagin <avagin at virtuozzo.com>
> 
> Is it instead or in addition to the "zdtm.py: check permissions for memory mappings"?

in addition

> 
> > ---
> >  test/zdtm.py | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/test/zdtm.py b/test/zdtm.py
> > index 7072b62..0297663 100755
> > --- a/test/zdtm.py
> > +++ b/test/zdtm.py
> > @@ -899,12 +899,18 @@ def get_visible_state(test):
> >  		last = 0
> >  		for mp in open("/proc/%s/root/proc/%s/maps" % (test.getpid(), pid)):
> >  			m = map(lambda x: int('0x' + x, 0), mp.split()[0].split('-'))
> > +
> > +                        f = "/proc/%s/root/proc/%s/map_files/%s" % (test.getpid(), pid, mp.split()[0])
> > +                        if os.access(f, os.F_OK):
> > +                                st = os.lstat(f)
> > +                                m.append(oct(st.st_mode))
> > +
> >  			if cmaps[last][1] == m[0]:
> >  				cmaps[last][1] = m[1]
> >  			else:
> >  				cmaps.append(m)
> >  				last += 1
> > -		maps[pid] = set(map(lambda x: '%x-%x' % (x[0], x[1]), cmaps))
> > +		maps[pid] = set(map(lambda x: '%x-%x %s' % (x[0], x[1], x[2:]), cmaps))
> >  
> >  		cmounts = []
> >  		try:
> > 
>