[v3,00/55] Nested pid namespaces support

Submitted by Kirill Tkhai on April 11, 2017, 12:10 p.m.

Details

Message ID d110390c-c894-8785-e746-1ab507406cf4@virtuozzo.com
State New
Series "Nested pid namespaces support"
Headers show

Commit Message

Kirill Tkhai April 11, 2017, 12:10 p.m.
On 11.04.2017 07:26, Andrei Vagin wrote:
> [root@fc24 criu]# python test/zdtm.py run -t zdtm/static/pidns00 --iter 1
> Checking feature ns_pid
> === Run 1/1 ================ zdtm/static/pidns00
> 
> ======================== Run zdtm/static/pidns00 in ns =========================
> make[1]: Nothing to be done for 'default'.
> Start test
> Test is SUID
> make[1]: Nothing to be done for 'default'.
> ./pidns00 --pidfile=pidns00.pid --outfile=pidns00.out
> Run criu dump
> Run criu restore
> ################ Test zdtm/static/pidns00 FAIL at CRIU restore #################
> ##################################### FAIL #####################################
> [root@fc24 criu]# dmesg -c
> [439441.751893] traps: pidns00[27458] general protection ip:7f9b3183d642 sp:7ffc2d9587c0 error:0
> [439441.751900]  in libc.so.6[7f9b31806000+1bd000]
> [439441.768416] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
> [439441.886503] systemd-journald[13102]: Compressed data object 1176 -> 652 using LZ4
> [439441.887834] systemd-journald[13102]: Compressed data object 1658 -> 653 using LZ4
> [439441.889093] systemd-journald[13102]: Compressed data object 3128 -> 1774 using LZ4
> [439442.037519] criu[27482]: segfault at 12 ip 000000000047e4d3 sp 00007ffc190820a8 error 4 in criu[400000+117000]
> [439442.058973] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
> [439442.211795] systemd-journald[13102]: Compressed data object 1150 -> 665 using LZ4
> [439442.213101] systemd-journald[13102]: Compressed data object 5493 -> 1619 using LZ4
> [root@fc24 criu]# 
> [root@fc24 criu]# git diff
> diff --git a/test/zdtm/static/pidns00.c b/test/zdtm/static/pidns00.c
> index e3ed74b..e86d488 100644
> --- a/test/zdtm/static/pidns00.c
> +++ b/test/zdtm/static/pidns00.c
> @@ -54,6 +54,11 @@ futex_t *futex;
>  
>  int child(void)
>  {
> +       int fd = open("/proc/self/ns/pid", O_RDONLY);
> +       unshare(CLONE_NEWPID);
> +       if (fork())
> +               setns(fd, CLONE_NEWPID);
> +       close(fd);
>         futex_wait_while_lt(futex, 1);
>         return 0;
>  }

The below fixes the issue. Thanks for finding this!

Patch hide | download patch | download mbox

diff --git a/criu/pstree.c b/criu/pstree.c
index b2703dd01..d032957ae 100644
--- a/criu/pstree.c
+++ b/criu/pstree.c
@@ -844,7 +844,7 @@  int get_free_pid(struct ns_id *ns)
 		node = rb_next(&prev->ns[level].node);
 		if (node == NULL)
 			return pid;
-		next = rb_entry(node, struct pid, ns[0].node);
+		next = rb_entry(node, struct pid, ns[level].node);
 		if (next->ns[level].virt > pid)
 			return pid;
 		prev = next;

Comments

Andrey Vagin April 12, 2017, 11:39 p.m.
On Tue, Apr 11, 2017 at 03:10:27PM +0300, Kirill Tkhai wrote:
> On 11.04.2017 07:26, Andrei Vagin wrote:
> > [root@fc24 criu]# python test/zdtm.py run -t zdtm/static/pidns00 --iter 1
> > Checking feature ns_pid
> > === Run 1/1 ================ zdtm/static/pidns00
> > 
> > ======================== Run zdtm/static/pidns00 in ns =========================
> > make[1]: Nothing to be done for 'default'.
> > Start test
> > Test is SUID
> > make[1]: Nothing to be done for 'default'.
> > ./pidns00 --pidfile=pidns00.pid --outfile=pidns00.out
> > Run criu dump
> > Run criu restore
> > ################ Test zdtm/static/pidns00 FAIL at CRIU restore #################
> > ##################################### FAIL #####################################
> > [root@fc24 criu]# dmesg -c
> > [439441.751893] traps: pidns00[27458] general protection ip:7f9b3183d642 sp:7ffc2d9587c0 error:0
> > [439441.751900]  in libc.so.6[7f9b31806000+1bd000]
> > [439441.768416] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
> > [439441.886503] systemd-journald[13102]: Compressed data object 1176 -> 652 using LZ4
> > [439441.887834] systemd-journald[13102]: Compressed data object 1658 -> 653 using LZ4
> > [439441.889093] systemd-journald[13102]: Compressed data object 3128 -> 1774 using LZ4
> > [439442.037519] criu[27482]: segfault at 12 ip 000000000047e4d3 sp 00007ffc190820a8 error 4 in criu[400000+117000]
> > [439442.058973] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
> > [439442.211795] systemd-journald[13102]: Compressed data object 1150 -> 665 using LZ4
> > [439442.213101] systemd-journald[13102]: Compressed data object 5493 -> 1619 using LZ4
> > [root@fc24 criu]# 
> > [root@fc24 criu]# git diff
> > diff --git a/test/zdtm/static/pidns00.c b/test/zdtm/static/pidns00.c
> > index e3ed74b..e86d488 100644
> > --- a/test/zdtm/static/pidns00.c
> > +++ b/test/zdtm/static/pidns00.c
> > @@ -54,6 +54,11 @@ futex_t *futex;
> >  
> >  int child(void)
> >  {
> > +       int fd = open("/proc/self/ns/pid", O_RDONLY);
> > +       unshare(CLONE_NEWPID);
> > +       if (fork())
> > +               setns(fd, CLONE_NEWPID);
> > +       close(fd);
> >         futex_wait_while_lt(futex, 1);
> >         return 0;
> >  }
> 
> The below fixes the issue. Thanks for finding this!
> 
> diff --git a/criu/pstree.c b/criu/pstree.c
> index b2703dd01..d032957ae 100644
> --- a/criu/pstree.c
> +++ b/criu/pstree.c
> @@ -844,7 +844,7 @@ int get_free_pid(struct ns_id *ns)
>  		node = rb_next(&prev->ns[level].node);
>  		if (node == NULL)
>  			return pid;
> -		next = rb_entry(node, struct pid, ns[0].node);
> +		next = rb_entry(node, struct pid, ns[level].node);

Now criu restore hangs

 8270 pts/0    T      0:00              \_ python test/zdtm.py run -t zdtm/static/pidns00
 8281 pts/0    T      0:00              |   \_ ./zdtm_ct zdtm.py
 8282 pts/0    S      0:00              |       \_ python2 zdtm.py
 8284 pts/0    T      0:00              |           \_ python2 zdtm.py
 8343 pts/0    S      0:00              |               \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid --ro
 8348 pts/0    S      0:00              |                   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid 
 8361 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
 8367 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
 8369 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
 8370 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
 8349 pts/0    S      0:00              |                   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid 
 8362 pts/0    S      0:00              |                       \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
 8363 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
 8366 pts/0    S      0:00              |                           |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/
 8364 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
 8365 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
 8368 pts/0    S      0:00              |                               \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/
 8371 pts/0    R+     0:00              \_ ps axf


>  		if (next->ns[level].virt > pid)
>  			return pid;
>  		prev = next;
>
(00.000067) Version: 2.12 (gitid v2.12-803-ge236b94)
(00.006938) Pagemap is fully functional
(00.007016) Found task size of 7ffffffff000
(00.016800) Found mmap_min_addr 0x10000
(00.016891) cpu: fpu:1 fxsr:1 xsave:1
(00.017150) vdso: Parsing at 7ffc674ab000 7ffc674ad000
(00.017220) vdso: PT_LOAD p_vaddr: 0
(00.017240) vdso: DT_HASH: 120
(00.017251) vdso: DT_STRTAB: 2b0
(00.017261) vdso: DT_SYMTAB: 1a8
(00.017271) vdso: DT_STRSZ: 5e
(00.017282) vdso: DT_SYMENT: 18
(00.017292) vdso: nbucket 3 nchain b bucket 7ffc674ab128 chain 7ffc674ab134
(00.017306) vdso: rt [vdso] 7ffc674ab000-7ffc674ad000 [vvar] 7ffc674a9000-7ffc674ab000
(00.019070) vdso: Parsing at 7f1c5a020000 7f1c5a022000
(00.019106) vdso: PT_LOAD p_vaddr: 0
(00.019118) vdso: DT_HASH: b4
(00.019128) vdso: DT_STRTAB: 1c0
(00.019139) vdso: DT_SYMTAB: 130
(00.019149) vdso: DT_STRSZ: 95
(00.019159) vdso: DT_SYMENT: 10
(00.019170) vdso: nbucket 3 nchain 9 bucket 7f1c5a0200bc chain 7f1c5a0200c8
(00.019251) vdso: compat [vdso] 7ffc674ad000-7ffc674af000 [vvar] 7ffc674ab000-7ffc674ad000
(00.019387) Add pid ns 16 pid -1
(00.019404) Add pid ns 15 pid -1
(00.019415) Add pid ns 14 pid -1
(00.019426) Add pid ns 13 pid -1
(00.019437) Add net ns 9 pid -1
(00.019448) Add pid ns 8 pid -1
(00.019494) kernel pid_max=32768
(00.019506) Reading image tree
(00.019612) Add mnt ns 12 pid 1
(00.019625) Add user ns 2 pid 1
(00.019636) Add ipc ns 10 pid 1
(00.019646) Add uts ns 11 pid 1
(00.019657) Add cgroup ns 7 pid 1
(00.019864) pstree pid_max=10
(00.019888) Will restore in 6c020000 namespaces
(00.019900) NS mask to use 6c020000
(00.019954) Collecting 39/18 (flags 1)
(00.020005) Collected [zdtm/static/pidns00] ID 0x1
(00.020017) Collected [lib64/libc.so.6] ID 0x2
(00.020028) Collected [lib64/ld-linux-x86-64.so.2] ID 0x3
(00.020039) Collected [dev/null] ID 0x4
(00.020049) Collected [zdtm/static/pidns00.outns] ID 0x5
(00.020059) Collected [zdtm/static] ID 0x6
(00.020069) Collected [.] ID 0x7
(00.020084) Collected [dev/null] ID 0x8
(00.020094) Collected [zdtm/static/pidns00.out.inprogress] ID 0x9
(00.020104) Collected [zdtm/static] ID 0xa
(00.020117)  `- ... done
(00.020127) Collecting 53/61 (flags 0)
(00.020144) No remap-fpath.img image
(00.020155)  `- ... done
(00.020165) Collecting 42/21 (flags 0)
(00.020249) No inetsk.img image
(00.020266)  `- ... done
(00.020283) No cgroup.img image
(00.020309) Running pre-restore scripts
(00.021313) Saved netns fd for links restore
(00.021392) uns: Daemon started
(00.021498) mnt: Reading mountpoint images (id 12 pid 1)
(00.021539) mnt: 		Will mount 157 from /
(00.021569) mnt: 		Will mount 157 @ /tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts
(00.021581) mnt: 	Read 157 mp @ /tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts
(00.021592) mnt: 		Will mount 192 from /
(00.021602) mnt: 		Will mount 192 @ /tmp/.criu.mntns.JlzPxS/12-0000000000/proc
(00.021612) mnt: 	Read 192 mp @ /tmp/.criu.mntns.JlzPxS/12-0000000000/proc
(00.021623) mnt: 		Will mount 191 from /root/git/criu/test
(00.021633) mnt: 		Will mount 191 @ /tmp/.criu.mntns.JlzPxS/12-0000000000/
(00.021643) mnt: 	Read 191 mp @ /tmp/.criu.mntns.JlzPxS/12-0000000000/
(00.021730) Forking task with 1 pid (flags 0x2c020000)
(00.023079) PID: real 61 virt 1
(00.023310) Wait until namespaces are created
(00.024192) Running setup-namespaces scripts
(00.024269)      1: cg: Cgroups 1 inherited from parent
(00.024331)      1: Calling restore_sid() for init
(00.024503)      1: Mount procfs in crtools-proc.AbC8C8
(00.039471)      1: Collecting 51/37 (flags 0)
(00.039516)      1: No tty-info.img image
(00.039530)      1:  `- ... done
(00.039541)      1: Collecting 50/36 (flags 0)
(00.039600)      1: No tty.img image
(00.039615)      1:  `- ... done
(00.039625)      1: Collecting 52/51 (flags 0)
(00.039642)      1: No tty-data.img image
(00.039653)      1:  `- ... done
(00.039664)      1: Restoring namespaces 1 flags 0x2c020000
(00.039826)      1: uns: calling __userns_sysctl_op (2, 0)
(00.040001) uns: daemon calls 0x48c390 (61, 6, 0)
(00.041281) kernel/hostname nr 4
(00.041498) kernel/domainname nr 6
(00.042634)      1: Restoring IPC namespace
(00.042730)      1: Restoring IPC variables
(00.042842)      1: uns: calling __userns_sysctl_op (0, 0)
(00.042966) uns: daemon calls 0x48c390 (61, 6, 0)
(00.045483)      1: Restoring IPC shared memory
(00.045551)      1: No ipcns-shm-10.img image
(00.045575)      1: Restoring IPC message queues
(00.045597)      1: No ipcns-msg-10.img image
(00.045607)      1: Restoring IPC semaphores sets
(00.045622)      1: No ipcns-sem-10.img image
(00.108337)      1: Try to restore a link 9:1:lo(00.108363)      1: Restoring link lo type 1
(00.110812)      1: 	Running ip addr restore  
RTNETLINK answers: File exists
RTNETLINK answers: File exists
(00.113783)      1: 	Running ip route restore  
(00.116406)      1: 	Running ip route restore  
(00.119405)      1: 	Running ip rule flush  
(00.122822)      1: 	Running ip rule delete table local
(00.125575)      1: 	Running ip rule restore  
(00.128372)      1: 	Running iptables-restore for iptables-restore
(00.133823)      1: 	Running ip6tables-restore for ip6tables-restore
(00.141326)      1: No netns-ct-9.img image
(00.141370)      1: No netns-exp-9.img image
(00.141536)      1: mnt: Restoring mount namespace
(00.141627)      1: mnt: Building mountpoints tree
(00.141643)      1: mnt: 	Building plain mount tree
(00.141654)      1: mnt: 		Working on 191->156
(00.141666)      1: mnt: Mountpoint 191 (@/tmp/.criu.mntns.JlzPxS/12-0000000000/) w/o parent 156
(00.141679)      1: mnt: Mountpoint 191 (@/tmp/.criu.mntns.JlzPxS/12-0000000000/) get parent 0 (@/tmp/.criu.mntns.JlzPxS)
(00.141692)      1: mnt: 		Working on 192->191
(00.141704)      1: mnt: 		Working on 157->191
(00.141715)      1: mnt: 	Resorting siblings on 0
(00.141727)      1: mnt: 	Resorting siblings on 191
(00.141738)      1: mnt: 	Resorting siblings on 192
(00.141750)      1: mnt: 	Resorting siblings on 157
(00.141761)      1: mnt: Done:
(00.141772)      1: mnt: [/tmp/.criu.mntns.JlzPxS](0->0)
(00.141784)      1: mnt:  [/tmp/.criu.mntns.JlzPxS/12-0000000000/](191->156)
(00.141796)      1: mnt:   [/tmp/.criu.mntns.JlzPxS/12-0000000000/proc](192->191)
(00.141807)      1: mnt:   <--
(00.141818)      1: mnt:   [/tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts](157->191)
(00.141830)      1: mnt:   <--
(00.141841)      1: mnt:  <--
(00.141852)      1: mnt: <--
(00.141863)      1: mnt: Inspecting sharing on 191 shared_id 0 master_id -1 (@/tmp/.criu.mntns.JlzPxS/12-0000000000/)
(00.141875)      1: mnt: Inspecting sharing on 192 shared_id 0 master_id 0 (@/tmp/.criu.mntns.JlzPxS/12-0000000000/proc)
(00.141886)      1: mnt: Inspecting sharing on 157 shared_id 0 master_id 0 (@/tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts)
(00.141899)      1: mnt: Start with 0:/tmp/.criu.mntns.JlzPxS
(00.142280)      1: mnt: Start with 0:/tmp/.criu.mntns.JlzPxS
(00.142305)      1: mnt: 	Mounting unsupported @/tmp/.criu.mntns.JlzPxS/12-0000000000/ (0)
(00.142348)      1: mnt: 191:/tmp/.criu.mntns.JlzPxS/12-0000000000/ private 0 shared 0 slave 1
(00.142393)      1: mnt: 	Mounting proc @/tmp/.criu.mntns.JlzPxS/12-0000000000/proc (0)
(00.142511)      1: mnt: 192:/tmp/.criu.mntns.JlzPxS/12-0000000000/proc private 1 shared 0 slave 0
(00.142538)      1: mnt: 	Mounting devpts @/tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts (0)
(00.142802)      1: mnt: 157:/tmp/.criu.mntns.JlzPxS/12-0000000000/dev/pts private 1 shared 0 slave 0
(00.142831)      1: mnt: Start with 0:/tmp/.criu.mntns.JlzPxS
(00.158080)      1: mnt: Move the root to //tmp/.criu.mntns.JlzPxS/12-0000000000
(00.190455) Wait until namespaces are created
(00.191119)      1: Preparing info about shared resources
(00.191314)      1: No seccomp.img image
(00.191375)      1: Collecting 41/20 (flags 0)
(00.191515)      1: Collected ns file ID 0xb NS-ID 0x8
(00.191588)      1:  `- ... done
(00.191624)      1: Collecting 46/25 (flags 0)
(00.191674)      1: No pipes.img image
(00.191711)      1:  `- ... done
(00.191741)      1: Collecting 48/26 (flags 0)
(00.191788)      1: No fifo.img image
(00.191832)      1:  `- ... done
(00.191862)      1: Collecting 43/22 (flags 1)
(00.191909)      1: No unixsk.img image
(00.191995)      1:  `- ... done
(00.192025)      1: Collecting 44/23 (flags 0)
(00.192088)      1: No packetsk.img image
(00.192138)      1:  `- ... done
(00.192249)      1: Collecting 45/24 (flags 0)
(00.192352)      1: No netlinksk.img image
(00.192386)      1:  `- ... done
(00.192415)      1: Collecting 54/28 (flags 0)
(00.192461)      1: No eventfd.img image
(00.192491)      1:  `- ... done
(00.192520)      1: Collecting 83/30 (flags 0)
(00.192628)      1: No eventpoll-tfd.img image
(00.192665)      1:  `- ... done
(00.192694)      1: Collecting 55/29 (flags 0)
(00.192760)      1: No eventpoll.img image
(00.192807)      1:  `- ... done
(00.192853)      1: Collecting 56/31 (flags 0)
(00.192929)      1: No signalfd.img image
(00.192977)      1:  `- ... done
(00.193008)      1: Collecting 57/32 (flags 0)
(00.193057)      1: No inotify.img image
(00.193098)      1:  `- ... done
(00.193143)      1: Collecting 81/33 (flags 0)
(00.193322)      1: No inotify-wd.img image
(00.193414)      1:  `- ... done
(00.193445)      1: Collecting 58/34 (flags 0)
(00.193494)      1: No fanotify.img image
(00.193533)      1:  `- ... done
(00.193580)      1: Collecting 82/35 (flags 0)
(00.193645)      1: No fanotify-mark.img image
(00.193674)      1:  `- ... done
(00.193701)      1: Collecting 59/42 (flags 0)
(00.193742)      1: No tunfile.img image
(00.193768)      1:  `- ... done
(00.193794)      1: Collecting 40/19 (flags 0)
(00.193834)      1: No ext-files.img image
(00.193878)      1:  `- ... done
(00.193905)      1: Collecting 61/46 (flags 0)
(00.193946)      1: No timerfd.img image
(00.193973)      1:  `- ... done
(00.193999)      1: Collecting 62/38 (flags 0)
(00.194041)      1: No filelocks.img image
(00.194067)      1:  `- ... done
(00.194093)      1: Collecting 47/27 (flags 0)
(00.194134)      1: No pipes-data.img image
(00.194160)      1:  `- ... done
(00.194248)      1: Collecting 49/27 (flags 0)
(00.194291)      1: No fifo-data.img image
(00.194318)      1:  `- ... done
(00.194344)      1: Collecting 38/62 (flags 0)
(00.194384)      1: No sk-queues.img image
(00.194410)      1:  `- ... done
(00.194549)      1: Found 18 VMAs in image
(00.194656)      1: vma 0x400000 0x406000
(00.194685)      1: vma 0x605000 0x606000
(00.194712)      1: vma 0x606000 0x607000
(00.194738)      1: vma 0x12c3000 0x12e4000
(00.194765)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.194792)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.194819)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.194845)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.194871)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.194898)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.194924)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.194951)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.194977)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.195003)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.195030)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.195057)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.195083)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.195109)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.195229)      1: Collect fdinfo pid=1 fd=0 id=0x4
(00.195278)      1: Collect fdinfo pid=1 fd=1 id=0x5
(00.195305)      1: Collect fdinfo pid=1 fd=2 id=0x5
(00.195472)      1: Found 19 VMAs in image
(00.195502)      1: vma 0x400000 0x406000
(00.195529)      1: vma 0x605000 0x606000
(00.195569)      1: vma 0x606000 0x607000
(00.195600)      1: vma 0x12c3000 0x12e4000
(00.195626)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.195653)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.195679)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.195705)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.195731)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.195758)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.195784)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.195811)      1: Add new shmem 0x2f5ec (0x007f99d54a2000-0x007f99d54a3000)
(00.195839)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.195866)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.195892)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.195919)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.195993)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.196021)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.196047)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.196073)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.196149)      1: Collect fdinfo pid=4 fd=0 id=0x8
(00.196219)      1: Collect fdinfo pid=4 fd=1 id=0x9
(00.196266)      1: Collect fdinfo pid=4 fd=2 id=0x9
(00.196293)      1: Collect fdinfo pid=4 fd=3 id=0xa
(00.196472)      1: Found 19 VMAs in image
(00.196503)      1: vma 0x400000 0x406000
(00.196529)      1: vma 0x605000 0x606000
(00.196571)      1: vma 0x606000 0x607000
(00.196600)      1: vma 0x12c3000 0x12e4000
(00.196627)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.196653)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.196679)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.196706)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.196732)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.196758)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.196785)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.196812)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.196838)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.196864)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.196891)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.196917)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.196944)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.196971)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.196997)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.197073)      1: Collect fdinfo pid=7 fd=0 id=0x8
(00.197103)      1: Collect fdinfo pid=7 fd=1 id=0x9
(00.197130)      1: Collect fdinfo pid=7 fd=2 id=0x9
(00.197158)      1: Collect fdinfo pid=7 fd=3 id=0xa
(00.197450)      1: Found 19 VMAs in image
(00.197485)      1: vma 0x400000 0x406000
(00.197512)      1: vma 0x605000 0x606000
(00.197538)      1: vma 0x606000 0x607000
(00.197598)      1: vma 0x12c3000 0x12e4000
(00.197643)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.197687)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.197732)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.197770)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.197798)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.197824)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.197850)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.197877)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.197903)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.197930)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.197956)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.197983)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.198009)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.198036)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.198062)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.198142)      1: Collect fdinfo pid=9 fd=0 id=0x8
(00.198221)      1: Collect fdinfo pid=9 fd=1 id=0x9
(00.198268)      1: Collect fdinfo pid=9 fd=2 id=0x9
(00.198295)      1: Collect fdinfo pid=9 fd=3 id=0xa
(00.198459)      1: Found 19 VMAs in image
(00.198490)      1: vma 0x400000 0x406000
(00.198517)      1: vma 0x605000 0x606000
(00.198554)      1: vma 0x606000 0x607000
(00.198616)      1: vma 0x12c3000 0x12e4000
(00.198659)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.198701)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.198743)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.198775)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.198808)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.198846)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.198888)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.198930)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.198974)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.199006)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.199040)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.199084)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.199116)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.199142)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.199231)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.199335)      1: Collect fdinfo pid=6 fd=0 id=0x8
(00.199366)      1: Collect fdinfo pid=6 fd=1 id=0x9
(00.199442)      1: Collect fdinfo pid=6 fd=2 id=0x9
(00.199470)      1: Collect fdinfo pid=6 fd=3 id=0xa
(00.199497)      1: Collect fdinfo pid=6 fd=4 id=0xb
(00.199656)      1: No mm-10.img image
(00.199724)      1: No fdinfo-0.img image
(00.199784)      1: No fs-10.img image
(00.199898)      1: Found 19 VMAs in image
(00.199928)      1: vma 0x400000 0x406000
(00.199955)      1: vma 0x605000 0x606000
(00.199982)      1: vma 0x606000 0x607000
(00.200008)      1: vma 0x12c3000 0x12e4000
(00.200034)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.200060)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.200087)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.200113)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.200139)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.200205)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.200252)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.200279)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.200305)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.200332)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.200358)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.200384)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.200410)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.200437)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.200463)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.200538)      1: Collect fdinfo pid=5 fd=0 id=0x8
(00.200587)      1: Collect fdinfo pid=5 fd=1 id=0x9
(00.200599)      1: Collect fdinfo pid=5 fd=2 id=0x9
(00.200610)      1: Collect fdinfo pid=5 fd=3 id=0xa
(00.200687)      1: Found 19 VMAs in image
(00.200700)      1: vma 0x400000 0x406000
(00.200711)      1: vma 0x605000 0x606000
(00.200722)      1: vma 0x606000 0x607000
(00.200732)      1: vma 0x12c3000 0x12e4000
(00.200743)      1: vma 0x7f99d4ebc000 0x7f99d5079000
(00.200754)      1: vma 0x7f99d5079000 0x7f99d5278000
(00.200765)      1: vma 0x7f99d5278000 0x7f99d527c000
(00.200775)      1: vma 0x7f99d527c000 0x7f99d527e000
(00.200786)      1: vma 0x7f99d527e000 0x7f99d5282000
(00.200797)      1: vma 0x7f99d5282000 0x7f99d52a7000
(00.200808)      1: vma 0x7f99d54a2000 0x7f99d54a3000
(00.200818)      1: vma 0x7f99d54a3000 0x7f99d54a7000
(00.200829)      1: vma 0x7f99d54a7000 0x7f99d54a8000
(00.200840)      1: vma 0x7f99d54a8000 0x7f99d54a9000
(00.200851)      1: vma 0x7f99d54a9000 0x7f99d54aa000
(00.200861)      1: vma 0x7ffca2022000 0x7ffca2069000
(00.200872)      1: vma 0x7ffca21c2000 0x7ffca21c4000
(00.200883)      1: vma 0x7ffca21c4000 0x7ffca21c6000
(00.200894)      1: vma 0xffffffffff600000 0xffffffffff601000
(00.200923)      1: Collect fdinfo pid=8 fd=0 id=0x8
(00.200935)      1: Collect fdinfo pid=8 fd=1 id=0x9
(00.200946)      1: Collect fdinfo pid=8 fd=2 id=0x9
(00.200957)      1: Collect fdinfo pid=8 fd=3 id=0xa
(00.201048)      1: File descs:
(00.201061)      1:  `- type 1 ID 0x1
(00.201071)      1:  `- type 1 ID 0x2
(00.201082)      1:  `- type 1 ID 0x3
(00.201093)      1:  `- type 1 ID 0x4
(00.201103)      1:    `- FD 0 pid 1
(00.201114)      1:  `- type 1 ID 0x5
(00.201125)      1:    `- FD 1 pid 1
(00.201136)      1:    `- FD 2 pid 1
(00.201146)      1:  `- type 1 ID 0x6
(00.201157)      1:  `- type 1 ID 0x7
(00.201183)      1:  `- type 1 ID 0x8
(00.201202)      1:    `- FD 0 pid 4
(00.201212)      1:    `- FD 0 pid 5
(00.201223)      1:    `- FD 0 pid 6
(00.201234)      1:    `- FD 0 pid 7
(00.201245)      1:    `- FD 0 pid 8
(00.201255)      1:    `- FD 0 pid 9
(00.201266)      1:  `- type 1 ID 0x9
(00.201277)      1:    `- FD 1 pid 4
(00.201287)      1:    `- FD 2 pid 4
(00.201298)      1:    `- FD 1 pid 5
(00.201308)      1:    `- FD 2 pid 5
(00.201319)      1:    `- FD 1 pid 6
(00.201330)      1:    `- FD 2 pid 6
(00.201340)      1:    `- FD 1 pid 7
(00.201351)      1:    `- FD 2 pid 7
(00.201361)      1:    `- FD 1 pid 8
(00.201372)      1:    `- FD 2 pid 8
(00.201382)      1:    `- FD 1 pid 9
(00.201393)      1:    `- FD 2 pid 9
(00.201403)      1:  `- type 1 ID 0xa
(00.201414)      1:    `- FD 3 pid 4
(00.201424)      1:    `- FD 3 pid 5
(00.201435)      1:    `- FD 3 pid 6
(00.201445)      1:    `- FD 3 pid 7
(00.201474)      1:    `- FD 3 pid 8
(00.201485)      1:    `- FD 3 pid 9
(00.201496)      1:  `- type 14 ID 0xb
(00.201506)      1:    `- FD 4 pid 6
(00.201600) Running post-setup-namespaces scripts
(00.201812)      1: uns: calling do_create_pid_ns_helper (-1, 0)
(00.201930) uns: daemon calls 0x462710 (61, -1, 0)
(00.203017)      1: Map 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.203057)      1: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c581da000
(00.203087)      1: Map 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.203110)      1: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c581e0000
(00.203137)      1: Map 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.203155)      1: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c581e1000
(00.203202)      1: Map 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.203228)      1: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c581e2000
(00.203258)      1: Map 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.203278)      1: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c58203000
(00.203306)      1: Map 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.203325)      1: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c583c0000
(00.203351)      1: Map 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.203369)      1: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c585bf000
(00.203396)      1: Map 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.203413)      1: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c585c3000
(00.203424)      1: Map 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.203439)      1: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c585c5000
(00.203466)      1: Map 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.203484)      1: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c585c9000
(00.203494)      1: Map 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.203510)      1: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c585ee000
(00.203535)      1: Map 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.203552)      1: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c585f2000
(00.203649)      1: Map 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.203678)      1: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c585f3000
(00.203696)      1: Map 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.203722)      1: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c585f4000
(00.203739)      1: Map 0x007ffca2021000-0x007ffca2069000 0000000000000000 vma
(00.203768)      1: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c585f5000
(00.203780)      1: Map 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.203797)      1: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c5863d000
(00.203808)      1: Map 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.203823)      1: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c5863f000
(00.203884)      1: Opened local page read 1 (parent 0)
(00.203897)      1: pr1-1 Read 400000 1 pages
(00.203908)      1: pr1-1 Read 605000 1 pages
(00.203919)      1: pr1-1 Read 606000 1 pages
(00.203930)      1: pr1-1 Read 12c3000 1 pages
(00.203941)      1: pr1-1 Read 7f99d5278000 4 pages
(00.203951)      1: pr1-1 Read 7f99d527c000 2 pages
(00.203962)      1: pr1-1 Read 7f99d527e000 1 pages
(00.203972)      1: pr1-1 Read 7f99d5281000 1 pages
(00.203983)      1: pr1-1 Read 7f99d54a3000 3 pages
(00.203993)      1: pr1-1 Read 7f99d54a7000 1 pages
(00.204004)      1: pr1-1 Read 7f99d54a8000 1 pages
(00.204014)      1: pr1-1 Read 7f99d54a9000 1 pages
(00.204024)      1: pr1-1 Read 7ffca2023000 3 pages
(00.204035)      1: pr1-1 Read 7ffca2065000 2 pages
(00.204045)      1: pr1-1 Read 7ffca2068000 1 pages
(00.204056)      1: pr1-1 Read 7ffca21c4000 2 pages
(00.204066)      1: Read piov iovs 10, from 0, len 106496, first 0x7f1c581da000:4096
(00.204331)      1: nr_restored_pages: 26
(00.204350)      1: nr_shared_pages:   0
(00.204382)      1: nr_droped_pages:   0
(00.204393)      1: nr_lazy:           0
(00.204403)      1: Restore sigacts for 1
(00.204507)      1: Restored 61/61 sigacts
(00.204547)      1: Restoring children in alien sessions:
(00.204569)      1: Restoring children in our session:
(00.204644)      1: Forking task with 4 pid (flags 0x0)
(00.206096)      1: PID: real 74 virt 4
(00.206731)      4: cg: Cgroups 1 inherited from parent
(00.206828)      4: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.206902)      4: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c57d73000
(00.206951)      4: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.206995)      4: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c57d79000
(00.207046)      4: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.207084)      4: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c57d7a000
(00.207107)      4: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.207147)      4: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c57d7b000
(00.207227)      4: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.207268)      4: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c57d9c000
(00.207309)      4: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.207349)      4: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c57f59000
(00.207391)      4: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.207429)      4: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c58158000
(00.207469)      4: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.207507)      4: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c5815c000
(00.207523)      4: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.207611)      4: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c5815e000
(00.207665)      4: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.207694)      4: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c58162000
(00.207712)      4: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.207747)      4: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c58187000
(00.207785)      4: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.207822)      4: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c5818b000
(00.207862)      4: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.207899)      4: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c5818c000
(00.207916)      4: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.207951)      4: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c5818d000
(00.207965)      4: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.208009)      4: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c5818e000
(00.208024)      4: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.208050)      4: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c581d6000
(00.208064)      4: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.208096)      4: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c581d8000
(00.208250)      4: Opened local page read 2 (parent 0)
(00.208284)      4: pr4-2 Read 400000 1 pages
(00.208298)      4: 	pr4-2 Read page from self 400000/0
(00.208333)      4: pr4-2 Read 605000 1 pages
(00.208348)      4: 	pr4-2 Read page from self 605000/1000
(00.208370)      4: pr4-2 Read 606000 1 pages
(00.208385)      4: 	pr4-2 Read page from self 606000/2000
(00.208410)      4: pr4-2 Read 12c3000 1 pages
(00.208424)      4: 	pr4-2 Read page from self 12c3000/3000
(00.208445)      4: pr4-2 Read 7f99d5278000 1 pages
(00.208459)      4: 	pr4-2 Read page from self 7f99d5278000/4000
(00.208476)      4: pr4-2 Read 7f99d5279000 1 pages
(00.208490)      4: 	pr4-2 Read page from self 7f99d5279000/5000
(00.208506)      4: pr4-2 Read 7f99d527a000 1 pages
(00.208520)      4: 	pr4-2 Read page from self 7f99d527a000/6000
(00.208536)      4: pr4-2 Read 7f99d527b000 1 pages
(00.208550)      4: 	pr4-2 Read page from self 7f99d527b000/7000
(00.208606)      4: pr4-2 Read 7f99d527c000 1 pages
(00.208621)      4: 	pr4-2 Read page from self 7f99d527c000/8000
(00.208638)      4: pr4-2 Read 7f99d527d000 1 pages
(00.208652)      4: 	pr4-2 Read page from self 7f99d527d000/9000
(00.208677)      4: pr4-2 Read 7f99d527e000 1 pages
(00.208691)      4: 	pr4-2 Read page from self 7f99d527e000/a000
(00.208708)      4: pr4-2 Read 7f99d527f000 1 pages
(00.208722)      4: 	pr4-2 Read page from self 7f99d527f000/b000
(00.208740)      4: pr4-2 Read 7f99d5281000 1 pages
(00.208754)      4: 	pr4-2 Read page from self 7f99d5281000/c000
(00.208782)      4: pr4-2 Read 7f99d54a3000 1 pages
(00.208796)      4: 	pr4-2 Read page from self 7f99d54a3000/d000
(00.208817)      4: pr4-2 Read 7f99d54a4000 1 pages
(00.208831)      4: 	pr4-2 Read page from self 7f99d54a4000/e000
(00.208847)      4: pr4-2 Read 7f99d54a5000 1 pages
(00.208861)      4: 	pr4-2 Read page from self 7f99d54a5000/f000
(00.208878)      4: pr4-2 Read 7f99d54a7000 1 pages
(00.208892)      4: 	pr4-2 Read page from self 7f99d54a7000/10000
(00.208909)      4: pr4-2 Read 7f99d54a8000 1 pages
(00.208922)      4: 	pr4-2 Read page from self 7f99d54a8000/11000
(00.208946)      4: pr4-2 Read 7f99d54a9000 1 pages
(00.208960)      4: 	pr4-2 Read page from self 7f99d54a9000/12000
(00.208976)      4: pr4-2 Read 7ffca2023000 1 pages
(00.208990)      4: 	pr4-2 Read page from self 7ffca2023000/13000
(00.209011)      4: pr4-2 Read 7ffca2024000 1 pages
(00.209025)      4: 	pr4-2 Read page from self 7ffca2024000/14000
(00.209045)      4: pr4-2 Read 7ffca2025000 1 pages
(00.209059)      4: 	pr4-2 Read page from self 7ffca2025000/15000
(00.209080)      4: pr4-2 Read 7ffca2064000 1 pages
(00.209094)      4: 	pr4-2 Read page from self 7ffca2064000/16000
(00.209116)      4: pr4-2 Read 7ffca2065000 1 pages
(00.209130)      4: 	pr4-2 Read page from self 7ffca2065000/17000
(00.209151)      4: pr4-2 Read 7ffca2066000 1 pages
(00.209181)      4: 	pr4-2 Read page from self 7ffca2066000/18000
(00.209212)      4: pr4-2 Read 7ffca2068000 1 pages
(00.209226)      4: 	pr4-2 Read page from self 7ffca2068000/19000
(00.209243)      4: pr4-2 Read 7ffca21c4000 1 pages
(00.209257)      4: 	pr4-2 Read page from self 7ffca21c4000/1a000
(00.209273)      4: pr4-2 Read 7ffca21c5000 1 pages
(00.209287)      4: 	pr4-2 Read page from self 7ffca21c5000/1b000
(00.209318)      4: nr_restored_pages: 11
(00.209332)      4: nr_shared_pages:   17
(00.209346)      4: nr_droped_pages:   0
(00.209359)      4: nr_lazy:           0
(00.209373)      4: Restore sigacts for 4
(00.209464)      4: Restored 61/61 sigacts
(00.209513)      4: Restoring children in alien sessions:
(00.209529)      4: Restoring children in our session:
(00.209711)      4: Forking task with 7 pid (flags 0x0)
(00.212870)      4: Forking task with 6 pid (flags 0x20000000)
(00.212871)      4: PID: real 75 virt 7
(00.213395)      7: cg: Cgroups 1 inherited from parent
(00.213490)      7: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.213552)      7: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c581da000
(00.213613)      7: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.213660)      7: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c581e0000
(00.213701)      7: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.213743)      7: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c581e1000
(00.213761)      7: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.213811)      7: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c581e2000
(00.213852)      7: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.213888)      7: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c58203000
(00.213931)      7: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.213969)      7: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c583c0000
(00.214010)      7: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.214056)      7: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c585bf000
(00.214097)      7: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.214183)      7: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c585c3000
(00.214212)      7: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.214264)      7: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c585c5000
(00.214309)      7: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.214339)      7: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c585c9000
(00.214358)      7: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.214401)      7: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c585ee000
(00.214445)      7: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.214489)      7: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c585f2000
(00.214539)      7: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.214592)      7: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c585f3000
(00.214610)      7: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.214649)      7: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c585f4000
(00.214665)      7: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.214683)      4: Forking task with 5 pid (flags 0x0)
(00.214712)      7: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c585f5000
(00.214727)      7: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.214752)      7: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c5863d000
(00.214778)      7: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.214817)      7: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c5863f000
(00.214972)      7: Opened local page read 3 (parent 0)
(00.215003)      7: pr7-3 Read 400000 1 pages
(00.215019)      7: 	pr7-3 Read page from self 400000/0
(00.215054)      7: pr7-3 Read 605000 1 pages
(00.215069)      7: 	pr7-3 Read page from self 605000/1000
(00.215086)      7: pr7-3 Read 606000 1 pages
(00.215099)      7: 	pr7-3 Read page from self 606000/2000
(00.215121)      7: pr7-3 Read 12c3000 1 pages
(00.215134)      7: 	pr7-3 Read page from self 12c3000/3000
(00.215151)      7: pr7-3 Read 7f99d5278000 1 pages
(00.215175)      7: 	pr7-3 Read page from self 7f99d5278000/4000
(00.215221)      7: pr7-3 Read 7f99d5279000 1 pages
(00.215247)      7: 	pr7-3 Read page from self 7f99d5279000/5000
(00.215266)      7: pr7-3 Read 7f99d527a000 1 pages
(00.215309)      7: 	pr7-3 Read page from self 7f99d527a000/6000
(00.215328)      7: pr7-3 Read 7f99d527b000 1 pages
(00.215343)      7: 	pr7-3 Read page from self 7f99d527b000/7000
(00.215362)      7: pr7-3 Read 7f99d527c000 1 pages
(00.215377)      7: 	pr7-3 Read page from self 7f99d527c000/8000
(00.215395)      7: pr7-3 Read 7f99d527d000 1 pages
(00.215410)      7: 	pr7-3 Read page from self 7f99d527d000/9000
(00.215427)      7: pr7-3 Read 7f99d527e000 1 pages
(00.215442)      7: 	pr7-3 Read page from self 7f99d527e000/a000
(00.215459)      7: pr7-3 Read 7f99d527f000 1 pages
(00.215473)      7: 	pr7-3 Read page from self 7f99d527f000/b000
(00.215491)      7: pr7-3 Read 7f99d5281000 1 pages
(00.215506)      7: 	pr7-3 Read page from self 7f99d5281000/c000
(00.215524)      7: pr7-3 Read 7f99d54a3000 1 pages
(00.215539)      7: 	pr7-3 Read page from self 7f99d54a3000/d000
(00.215608)      7: pr7-3 Read 7f99d54a4000 1 pages
(00.215626)      7: 	pr7-3 Read page from self 7f99d54a4000/e000
(00.215644)      7: pr7-3 Read 7f99d54a5000 1 pages
(00.215659)      7: 	pr7-3 Read page from self 7f99d54a5000/f000
(00.215677)      7: pr7-3 Read 7f99d54a7000 1 pages
(00.215692)      7: 	pr7-3 Read page from self 7f99d54a7000/10000
(00.215710)      7: pr7-3 Read 7f99d54a8000 1 pages
(00.215725)      7: 	pr7-3 Read page from self 7f99d54a8000/11000
(00.215750)      7: pr7-3 Read 7f99d54a9000 1 pages
(00.215765)      7: 	pr7-3 Read page from self 7f99d54a9000/12000
(00.215783)      7: pr7-3 Read 7ffca2023000 1 pages
(00.215798)      7: 	pr7-3 Read page from self 7ffca2023000/13000
(00.215815)      7: pr7-3 Read 7ffca2024000 1 pages
(00.215830)      7: 	pr7-3 Read page from self 7ffca2024000/14000
(00.215886)      7: pr7-3 Read 7ffca2025000 1 pages
(00.215900)      7: 	pr7-3 Read page from self 7ffca2025000/15000
(00.215917)      7: pr7-3 Read 7ffca2064000 1 pages
(00.215931)      7: 	pr7-3 Read page from self 7ffca2064000/16000
(00.215947)      7: pr7-3 Read 7ffca2065000 1 pages
(00.215961)      7: 	pr7-3 Read page from self 7ffca2065000/17000
(00.215982)      7: pr7-3 Read 7ffca2066000 1 pages
(00.215997)      7: 	pr7-3 Read page from self 7ffca2066000/18000
(00.216014)      7: pr7-3 Read 7ffca2068000 1 pages
(00.216028)      7: 	pr7-3 Read page from self 7ffca2068000/19000
(00.216045)      7: pr7-3 Read 7ffca21c4000 1 pages
(00.216058)      7: 	pr7-3 Read page from self 7ffca21c4000/1a000
(00.216075)      7: pr7-3 Read 7ffca21c5000 1 pages
(00.216089)      7: 	pr7-3 Read page from self 7ffca21c5000/1b000
(00.216123)      7: nr_restored_pages: 4
(00.216138)      7: nr_shared_pages:   24
(00.216152)      7: nr_droped_pages:   0
(00.216166)      7: nr_lazy:           0
(00.216201)      7: Restore sigacts for 7
(00.216304)      7: Restored 61/61 sigacts
(00.216358)      7: Restoring children in alien sessions:
(00.216374)      7: Restoring children in our session:
(00.216453)      7: Forking task with 9 pid (flags 0x20000000)
(00.216596)      4: PID: real 76 virt 6
(00.216986)      4: PID: real 77 virt 5
(00.217466)      5: cg: Cgroups 1 inherited from parent
(00.217549)      5: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.217614)      5: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c581da000
(00.217654)      5: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.217691)      5: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c581e0000
(00.217726)      5: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.217762)      5: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c581e1000
(00.217776)      5: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.217821)      5: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c581e2000
(00.217857)      5: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.217887)      5: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c58203000
(00.217924)      5: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.217957)      5: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c583c0000
(00.217993)      5: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.218028)      5: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c585bf000
(00.218063)      5: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.218098)      5: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c585c3000
(00.218113)      5: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.218144)      5: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c585c5000
(00.218197)      5: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.218231)      5: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c585c9000
(00.218245)      5: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.218277)      5: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c585ee000
(00.218312)      5: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.218345)      5: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c585f2000
(00.218380)      5: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.218412)      5: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c585f3000
(00.218426)      5: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.218457)      5: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c585f4000
(00.218470)      5: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.218513)      5: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c585f5000
(00.218526)      5: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.218548)      5: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c5863d000
(00.218567)      5: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.218598)      5: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c5863f000
(00.218741)      5: Opened local page read 3 (parent 0)
(00.218761)      5: pr5-3 Read 400000 1 pages
(00.218774)      5: 	pr5-3 Read page from self 400000/0
(00.218805)      5: pr5-3 Read 605000 1 pages
(00.218817)      5: 	pr5-3 Read page from self 605000/1000
(00.218830)      5: pr5-3 Read 606000 1 pages
(00.218842)      5: 	pr5-3 Read page from self 606000/2000
(00.218864)      5: pr5-3 Read 12c3000 1 pages
(00.218876)      5: 	pr5-3 Read page from self 12c3000/3000
(00.218890)      5: pr5-3 Read 7f99d5278000 1 pages
(00.218902)      5: 	pr5-3 Read page from self 7f99d5278000/4000
(00.218916)      5: pr5-3 Read 7f99d5279000 1 pages
(00.218927)      5: 	pr5-3 Read page from self 7f99d5279000/5000
(00.218941)      5: pr5-3 Read 7f99d527a000 1 pages
(00.218953)      5: 	pr5-3 Read page from self 7f99d527a000/6000
(00.218966)      5: pr5-3 Read 7f99d527b000 1 pages
(00.218978)      5: 	pr5-3 Read page from self 7f99d527b000/7000
(00.218992)      5: pr5-3 Read 7f99d527c000 1 pages
(00.219003)      5: 	pr5-3 Read page from self 7f99d527c000/8000
(00.219017)      5: pr5-3 Read 7f99d527d000 1 pages
(00.219029)      5: 	pr5-3 Read page from self 7f99d527d000/9000
(00.219043)      5: pr5-3 Read 7f99d527e000 1 pages
(00.219054)      5: 	pr5-3 Read page from self 7f99d527e000/a000
(00.219068)      5: pr5-3 Read 7f99d527f000 1 pages
(00.219079)      5: 	pr5-3 Read page from self 7f99d527f000/b000
(00.219093)      5: pr5-3 Read 7f99d5281000 1 pages
(00.219105)      5: 	pr5-3 Read page from self 7f99d5281000/c000
(00.219119)      5: pr5-3 Read 7f99d54a3000 1 pages
(00.219130)      5: 	pr5-3 Read page from self 7f99d54a3000/d000
(00.219148)      5: pr5-3 Read 7f99d54a4000 1 pages
(00.219160)      5: 	pr5-3 Read page from self 7f99d54a4000/e000
(00.219218)      5: pr5-3 Read 7f99d54a5000 1 pages
(00.219230)      5: 	pr5-3 Read page from self 7f99d54a5000/f000
(00.219244)      5: pr5-3 Read 7f99d54a7000 1 pages
(00.219255)      5: 	pr5-3 Read page from self 7f99d54a7000/10000
(00.219269)      5: pr5-3 Read 7f99d54a8000 1 pages
(00.219280)      5: 	pr5-3 Read page from self 7f99d54a8000/11000
(00.219299)      5: pr5-3 Read 7f99d54a9000 1 pages
(00.219311)      5: 	pr5-3 Read page from self 7f99d54a9000/12000
(00.219325)      5: pr5-3 Read 7ffca2023000 1 pages
(00.219336)      5: 	pr5-3 Read page from self 7ffca2023000/13000
(00.219350)      5: pr5-3 Read 7ffca2024000 1 pages
(00.219361)      5: 	pr5-3 Read page from self 7ffca2024000/14000
(00.219375)      5: pr5-3 Read 7ffca2025000 1 pages
(00.219387)      5: 	pr5-3 Read page from self 7ffca2025000/15000
(00.219400)      5: pr5-3 Read 7ffca2064000 1 pages
(00.219412)      5: 	pr5-3 Read page from self 7ffca2064000/16000
(00.219425)      5: pr5-3 Read 7ffca2065000 1 pages
(00.219437)      5: 	pr5-3 Read page from self 7ffca2065000/17000
(00.219455)      5: pr5-3 Read 7ffca2066000 1 pages
(00.219467)      5: 	pr5-3 Read page from self 7ffca2066000/18000
(00.219480)      5: pr5-3 Read 7ffca2068000 1 pages
(00.219492)      5: 	pr5-3 Read page from self 7ffca2068000/19000
(00.219506)      5: pr5-3 Read 7ffca21c4000 1 pages
(00.219517)      5: 	pr5-3 Read page from self 7ffca21c4000/1a000
(00.219531)      5: pr5-3 Read 7ffca21c5000 1 pages
(00.219543)      5: 	pr5-3 Read page from self 7ffca21c5000/1b000
(00.219586)      5: nr_restored_pages: 4
(00.219600)      5: nr_shared_pages:   24
(00.219613)      5: nr_droped_pages:   0
(00.219625)      5: nr_lazy:           0
(00.219647)      5: Restore sigacts for 5
(00.219716)      5: Restored 61/61 sigacts
(00.219760)      5: Restoring children in alien sessions:
(00.219772)      5: Restoring children in our session:
(00.219837)      5: Forking task with 8 pid (flags 0x20000000)
(00.220370)      1: cg: Cgroups 1 inherited from parent
(00.220521)      1: uns: calling do_create_pid_ns_helper (-1, 0)
(00.220614) uns: daemon calls 0x462710 (76, -1, 0)
(00.221725)      7: PID: real 78 virt 9
(00.222096)      1: cg: Cgroups 1 inherited from parent
(00.222233)      1: uns: calling do_create_pid_ns_helper (-1, 0)
(00.222608) uns: daemon calls 0x462710 (78, -1, 0)
(00.222872)      1: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.222943)      1: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c581da000
(00.222990)      1: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.223031)      1: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c581e0000
(00.223072)      1: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.223113)      1: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c581e1000
(00.223131)      1: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.223210)      1: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c581e2000
(00.223264)      1: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.223301)      1: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c58203000
(00.223344)      1: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.223382)      1: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c583c0000
(00.223423)      1: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.223466)      1: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c585bf000
(00.223507)      1: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.223548)      1: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c585c3000
(00.223585)      1: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.223637)      1: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c585c5000
(00.223678)      1: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.223711)      1: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c585c9000
(00.223729)      1: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.223768)      1: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c585ee000
(00.223807)      1: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.223851)      1: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c585f2000
(00.223892)      1: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.223934)      1: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c585f3000
(00.223951)      1: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.223990)      1: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c585f4000
(00.224005)      1: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.224049)      1: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c585f5000
(00.224065)      1: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.224093)      1: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c5863d000
(00.224107)      1: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.224143)      1: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c5863f000
(00.224364)      1: Opened local page read 3 (parent 0)
(00.224400)      1: pr6-3 Read 400000 1 pages
(00.224417)      1: 	pr6-3 Read page from self 400000/0
(00.224596)      5: PID: real 80 virt 8
(00.225199)      1: pr6-3 Read 605000 1 pages
(00.225218)      1: 	pr6-3 Read page from self 605000/1000
(00.225238)      1: pr6-3 Read 606000 1 pages
(00.225253)      1: 	pr6-3 Read page from self 606000/2000
(00.225248)      1: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.225277)      1: pr6-3 Read 12c3000 1 pages
(00.225301)      1: 	pr6-3 Read page from self 12c3000/3000
(00.225319)      1: pr6-3 Read 7f99d5278000 1 pages
(00.225324)      1: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c57d73000
(00.225335)      1: 	pr6-3 Read page from self 7f99d5278000/4000
(00.225365)      1: pr6-3 Read 7f99d5279000 1 pages
(00.225370)      1: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.225381)      1: 	pr6-3 Read page from self 7f99d5279000/5000
(00.225410)      1: pr6-3 Read 7f99d527a000 1 pages
(00.225418)      1: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c57d79000
(00.225425)      1: 	pr6-3 Read page from self 7f99d527a000/6000
(00.225452)      1: pr6-3 Read 7f99d527b000 1 pages
(00.225454)      1: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.225467)      1: 	pr6-3 Read page from self 7f99d527b000/7000
(00.225514)      1: pr6-3 Read 7f99d527c000 1 pages
(00.225522)      1: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c57d7a000
(00.225530)      1: 	pr6-3 Read page from self 7f99d527c000/8000
(00.225542)      1: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.225565)      1: pr6-3 Read 7f99d527d000 1 pages
(00.225588)      1: 	pr6-3 Read page from self 7f99d527d000/9000
(00.225601)      1: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c57d7b000
(00.225607)      1: pr6-3 Read 7f99d527e000 1 pages
(00.225628)      1: 	pr6-3 Read page from self 7f99d527e000/a000
(00.225634)      1: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.225646)      1: pr6-3 Read 7f99d527f000 1 pages
(00.225668)      1: 	pr6-3 Read page from self 7f99d527f000/b000
(00.225673)      1: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c57d9c000
(00.225686)      1: pr6-3 Read 7f99d5281000 1 pages
(00.225707)      1: 	pr6-3 Read page from self 7f99d5281000/c000
(00.225710)      1: cg: Cgroups 1 inherited from parent
(00.225712)      1: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.225725)      1: pr6-3 Read 7f99d54a3000 1 pages
(00.225759)      1: 	pr6-3 Read page from self 7f99d54a3000/d000
(00.225763)      1: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c57f59000
(00.225785)      1: pr6-3 Read 7f99d54a4000 1 pages
(00.225802)      1: 	pr6-3 Read page from self 7f99d54a4000/e000
(00.225804)      1: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.225820)      1: pr6-3 Read 7f99d54a5000 1 pages
(00.225840)      1: 	pr6-3 Read page from self 7f99d54a5000/f000
(00.225849)      1: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c58158000
(00.225857)      1: pr6-3 Read 7f99d54a7000 1 pages
(00.225879)      1: 	pr6-3 Read page from self 7f99d54a7000/10000
(00.225891)      1: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.225898)      1: pr6-3 Read 7f99d54a8000 1 pages
(00.225923)      1: 	pr6-3 Read page from self 7f99d54a8000/11000
(00.225941)      1: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c5815c000
(00.225949)      1: pr6-3 Read 7f99d54a9000 1 pages
(00.225962)      1: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.225973)      1: 	pr6-3 Read page from self 7f99d54a9000/12000
(00.226004)      1: pr6-3 Read 7ffca2023000 1 pages
(00.226013)      1: uns: calling do_create_pid_ns_helper (-1, 0)
(00.226017)      1: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c5815e000
(00.226019)      1: 	pr6-3 Read page from self 7ffca2023000/13000
(00.226131)      1: pr6-3 Read 7ffca2024000 1 pages
(00.226084)      1: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.226152)      1: 	pr6-3 Read page from self 7ffca2024000/14000
(00.226089) uns: daemon calls 0x462710 (80, -1, 0)
(00.226212)      1: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c58162000
(00.226284)      1: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.226319)      1: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c58187000
(00.226352)      1: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.226384)      1: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c5818b000
(00.226415)      1: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.226443)      1: pr6-3 Read 7ffca2025000 1 pages
(00.226447)      1: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c5818c000
(00.226464)      1: 	pr6-3 Read page from self 7ffca2025000/15000
(00.226475)      1: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.226491)      1: pr6-3 Read 7ffca2064000 1 pages
(00.226517)      1: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c5818d000
(00.226528)      1: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.226573)      1: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c5818e000
(00.226586)      1: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.226604)      1: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c581d6000
(00.226633)      1: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.226669)      1: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c581d8000
(00.226779)      1: Opened local page read 4 (parent 0)
(00.226796)      1: pr9-4 Read 400000 1 pages
(00.226806)      1: 	pr9-4 Read page from self 400000/0
(00.226832)      1: pr9-4 Read 605000 1 pages
(00.226842)      1: 	pr9-4 Read page from self 605000/1000
(00.226854)      1: pr9-4 Read 606000 1 pages
(00.226864)      1: 	pr9-4 Read page from self 606000/2000
(00.226875)      1: pr9-4 Read 12c3000 1 pages
(00.226885)      1: 	pr9-4 Read page from self 12c3000/3000
(00.226897)      1: pr9-4 Read 7f99d5278000 1 pages
(00.226907)      1: 	pr9-4 Read page from self 7f99d5278000/4000
(00.226919)      1: pr9-4 Read 7f99d5279000 1 pages
(00.226929)      1: 	pr9-4 Read page from self 7f99d5279000/5000
(00.226940)      1: pr9-4 Read 7f99d527a000 1 pages
(00.226950)      1: 	pr9-4 Read page from self 7f99d527a000/6000
(00.226962)      1: pr9-4 Read 7f99d527b000 1 pages
(00.226972)      1: 	pr9-4 Read page from self 7f99d527b000/7000
(00.226984)      1: pr9-4 Read 7f99d527c000 1 pages
(00.226993)      1: 	pr9-4 Read page from self 7f99d527c000/8000
(00.227005)      1: pr9-4 Read 7f99d527d000 1 pages
(00.227015)      1: 	pr9-4 Read page from self 7f99d527d000/9000
(00.227027)      1: pr9-4 Read 7f99d527e000 1 pages
(00.227037)      1: 	pr9-4 Read page from self 7f99d527e000/a000
(00.227048)      1: pr9-4 Read 7f99d527f000 1 pages
(00.227058)      1: 	pr9-4 Read page from self 7f99d527f000/b000
(00.227070)      1: pr9-4 Read 7f99d5281000 1 pages
(00.227079)      1: 	pr9-4 Read page from self 7f99d5281000/c000
(00.227091)      1: pr9-4 Read 7f99d54a3000 1 pages
(00.227101)      1: 	pr9-4 Read page from self 7f99d54a3000/d000
(00.227117)      1: pr9-4 Read 7f99d54a4000 1 pages
(00.227127)      1: 	pr9-4 Read page from self 7f99d54a4000/e000
(00.227139)      1: pr9-4 Read 7f99d54a5000 1 pages
(00.227148)      1: 	pr9-4 Read page from self 7f99d54a5000/f000
(00.227160)      1: pr9-4 Read 7f99d54a7000 1 pages
(00.227203)      1: 	pr9-4 Read page from self 7f99d54a7000/10000
(00.227251)      1: pr9-4 Read 7f99d54a8000 1 pages
(00.227262)      1: 	pr9-4 Read page from self 7f99d54a8000/11000
(00.227279)      1: pr9-4 Read 7f99d54a9000 1 pages
(00.227289)      1: 	pr9-4 Read page from self 7f99d54a9000/12000
(00.227301)      1: pr9-4 Read 7ffca2023000 1 pages
(00.227311)      1: 	pr9-4 Read page from self 7ffca2023000/13000
(00.226511)      1: 	pr6-3 Read page from self 7ffca2064000/16000
(00.227322)      1: pr9-4 Read 7ffca2024000 1 pages
(00.227344)      1: pr6-3 Read 7ffca2065000 1 pages
(00.227348)      1: 	pr9-4 Read page from self 7ffca2024000/14000
(00.227363)      1: 	pr6-3 Read page from self 7ffca2065000/17000
(00.227374)      1: pr9-4 Read 7ffca2025000 1 pages
(00.227396)      1: 	pr9-4 Read page from self 7ffca2025000/15000
(00.227396)      1: pr6-3 Read 7ffca2066000 1 pages
(00.227408)      1: pr9-4 Read 7ffca2064000 1 pages
(00.227421)      1: 	pr6-3 Read page from self 7ffca2066000/18000
(00.227430)      1: 	pr9-4 Read page from self 7ffca2064000/16000
(00.227448)      1: pr6-3 Read 7ffca2068000 1 pages
(00.227456)      1: pr9-4 Read 7ffca2065000 1 pages
(00.227446)      1: COW 0x00000000400000-0x00000000406000 0000000000000000 vma
(00.227468)      1: 	pr6-3 Read page from self 7ffca2068000/19000
(00.227477)      1: 	pr9-4 Read page from self 7ffca2065000/17000
(00.227508)      1: pr6-3 Read 7ffca21c4000 1 pages
(00.227516)      1: pr9-4 Read 7ffca2066000 1 pages
(00.227528)      1: 	pr6-3 Read page from self 7ffca21c4000/1a000
(00.227537)      1: 	pr9-4 Read page from self 7ffca2066000/18000
(00.227538)      1: 	premap 0x00000000400000-0x00000000406000 -> 00007f1c57d73000
(00.227553)      1: pr6-3 Read 7ffca21c5000 1 pages
(00.227599)      1: pr9-4 Read 7ffca2068000 1 pages
(00.227623)      1: 	pr6-3 Read page from self 7ffca21c5000/1b000
(00.227632)      1: 	pr9-4 Read page from self 7ffca2068000/19000
(00.227642)      1: COW 0x00000000605000-0x00000000606000 0x00000000005000 vma
(00.227658)      1: pr9-4 Read 7ffca21c4000 1 pages
(00.227667)      1: nr_restored_pages: 4
(00.227703)      1: 	pr9-4 Read page from self 7ffca21c4000/1a000
(00.227717)      1: nr_shared_pages:   24
(00.227726)      1: 	premap 0x00000000605000-0x00000000606000 -> 00007f1c57d79000
(00.227729)      1: pr9-4 Read 7ffca21c5000 1 pages
(00.227739)      1: nr_droped_pages:   0
(00.227760)      1: 	pr9-4 Read page from self 7ffca21c5000/1b000
(00.227774)      1: nr_lazy:           0
(00.227779)      1: COW 0x00000000606000-0x00000000607000 0x00000000006000 vma
(00.227797)      1: nr_restored_pages: 2
(00.227797)      1: Restore sigacts for 6
(00.227817)      1: nr_shared_pages:   26
(00.227838)      1: 	premap 0x00000000606000-0x00000000607000 -> 00007f1c57d7a000
(00.227840)      1: nr_droped_pages:   0
(00.227858)      1: COW 0x000000012c3000-0x000000012e4000 0000000000000000 vma
(00.227870)      1: nr_lazy:           0
(00.227894)      1: Restore sigacts for 9
(00.227913)      1: Restored 61/61 sigacts
(00.227924)      1: 	premap 0x000000012c3000-0x000000012e4000 -> 00007f1c57d7b000
(00.227951)      1: Restored 61/61 sigacts
(00.227969)      1: Restoring children in alien sessions:
(00.227970)      1: COW 0x007f99d4ebc000-0x007f99d5079000 0000000000000000 vma
(00.227986)      1: Restoring children in our session:
(00.227992)      1: Restoring children in alien sessions:
(00.228019)      1: Restoring children in our session:
(00.228023)      1: 	premap 0x007f99d4ebc000-0x007f99d5079000 -> 00007f1c57d9c000
(00.228046)      1: Forking task with 10 pid (flags 0x0)
(00.228100)      1: COW 0x007f99d5079000-0x007f99d5278000 0x000000001bd000 vma
(00.228142)      1: 	premap 0x007f99d5079000-0x007f99d5278000 -> 00007f1c57f59000
(00.228207)      1: COW 0x007f99d5278000-0x007f99d527c000 0x000000001bc000 vma
(00.228245)      1: 	premap 0x007f99d5278000-0x007f99d527c000 -> 00007f1c58158000
(00.228271)      1: COW 0x007f99d527c000-0x007f99d527e000 0x000000001c0000 vma
(00.228300)      1: 	premap 0x007f99d527c000-0x007f99d527e000 -> 00007f1c5815c000
(00.228311)      1: COW 0x007f99d527e000-0x007f99d5282000 0000000000000000 vma
(00.228349)      1: 	premap 0x007f99d527e000-0x007f99d5282000 -> 00007f1c5815e000
(00.228376)      1: COW 0x007f99d5282000-0x007f99d52a7000 0000000000000000 vma
(00.228396)      1: 	premap 0x007f99d5282000-0x007f99d52a7000 -> 00007f1c58162000
(00.228408)      1: COW 0x007f99d54a3000-0x007f99d54a7000 0000000000000000 vma
(00.228439)      1: 	premap 0x007f99d54a3000-0x007f99d54a7000 -> 00007f1c58187000
(00.228465)      1: COW 0x007f99d54a7000-0x007f99d54a8000 0x00000000025000 vma
(00.228497)      1: 	premap 0x007f99d54a7000-0x007f99d54a8000 -> 00007f1c5818b000
(00.228534)      1: COW 0x007f99d54a8000-0x007f99d54a9000 0x00000000026000 vma
(00.228571)      1: 	premap 0x007f99d54a8000-0x007f99d54a9000 -> 00007f1c5818c000
(00.228583)      1: COW 0x007f99d54a9000-0x007f99d54aa000 0000000000000000 vma
(00.228611)      1: 	premap 0x007f99d54a9000-0x007f99d54aa000 -> 00007f1c5818d000
(00.228620)      1: COW 0x007ffca2022000-0x007ffca2069000 0000000000000000 vma
(00.228651)      1: 	premap 0x007ffca2021000-0x007ffca2069000 -> 00007f1c5818e000
(00.228661)      1: COW 0x007ffca21c2000-0x007ffca21c4000 0000000000000000 vma
(00.228677)      1: 	premap 0x007ffca21c2000-0x007ffca21c4000 -> 00007f1c581d6000
(00.228686)      1: COW 0x007ffca21c4000-0x007ffca21c6000 0000000000000000 vma
(00.228710)      1: 	premap 0x007ffca21c4000-0x007ffca21c6000 -> 00007f1c581d8000
(00.228806)      1: Opened local page read 4 (parent 0)
(00.228817)      1: pr8-4 Read 400000 1 pages
(00.228826)      1: 	pr8-4 Read page from self 400000/0
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(00.229107)      1: pr8-4 Read 7f99d54a3000 1 pages
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(00.229150)      1: pr8-4 Read 7f99d54a5000 1 pages
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(00.229202)      1: 	pr8-4 Read page from self 7f99d54a7000/10000
(00.229213)      1: pr8-4 Read 7f99d54a8000 1 pages
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(00.229449)      1: nr_restored_pages: 4
(00.229458)      1: nr_shared_pages:   24
(00.229467)      1: nr_droped_pages:   0
(00.229476)      1: nr_lazy:           0
(00.229484)      1: Restore sigacts for 8
(00.229533)      1: Restored 61/61 sigacts
(00.229572)      1: Restoring children in alien sessions:
(00.229583)      1: Restoring children in our session:
Kirill Tkhai April 13, 2017, 9:06 a.m.
On 13.04.2017 02:39, Andrei Vagin wrote:
> On Tue, Apr 11, 2017 at 03:10:27PM +0300, Kirill Tkhai wrote:
>> On 11.04.2017 07:26, Andrei Vagin wrote:
>>> [root@fc24 criu]# python test/zdtm.py run -t zdtm/static/pidns00 --iter 1
>>> Checking feature ns_pid
>>> === Run 1/1 ================ zdtm/static/pidns00
>>>
>>> ======================== Run zdtm/static/pidns00 in ns =========================
>>> make[1]: Nothing to be done for 'default'.
>>> Start test
>>> Test is SUID
>>> make[1]: Nothing to be done for 'default'.
>>> ./pidns00 --pidfile=pidns00.pid --outfile=pidns00.out
>>> Run criu dump
>>> Run criu restore
>>> ################ Test zdtm/static/pidns00 FAIL at CRIU restore #################
>>> ##################################### FAIL #####################################
>>> [root@fc24 criu]# dmesg -c
>>> [439441.751893] traps: pidns00[27458] general protection ip:7f9b3183d642 sp:7ffc2d9587c0 error:0
>>> [439441.751900]  in libc.so.6[7f9b31806000+1bd000]
>>> [439441.768416] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
>>> [439441.886503] systemd-journald[13102]: Compressed data object 1176 -> 652 using LZ4
>>> [439441.887834] systemd-journald[13102]: Compressed data object 1658 -> 653 using LZ4
>>> [439441.889093] systemd-journald[13102]: Compressed data object 3128 -> 1774 using LZ4
>>> [439442.037519] criu[27482]: segfault at 12 ip 000000000047e4d3 sp 00007ffc190820a8 error 4 in criu[400000+117000]
>>> [439442.058973] systemd-journald[13102]: Successfully sent stream file descriptor to service manager.
>>> [439442.211795] systemd-journald[13102]: Compressed data object 1150 -> 665 using LZ4
>>> [439442.213101] systemd-journald[13102]: Compressed data object 5493 -> 1619 using LZ4
>>> [root@fc24 criu]# 
>>> [root@fc24 criu]# git diff
>>> diff --git a/test/zdtm/static/pidns00.c b/test/zdtm/static/pidns00.c
>>> index e3ed74b..e86d488 100644
>>> --- a/test/zdtm/static/pidns00.c
>>> +++ b/test/zdtm/static/pidns00.c
>>> @@ -54,6 +54,11 @@ futex_t *futex;
>>>  
>>>  int child(void)
>>>  {
>>> +       int fd = open("/proc/self/ns/pid", O_RDONLY);
>>> +       unshare(CLONE_NEWPID);
>>> +       if (fork())
>>> +               setns(fd, CLONE_NEWPID);
>>> +       close(fd);
>>>         futex_wait_while_lt(futex, 1);
>>>         return 0;
>>>  }
>>
>> The below fixes the issue. Thanks for finding this!
>>
>> diff --git a/criu/pstree.c b/criu/pstree.c
>> index b2703dd01..d032957ae 100644
>> --- a/criu/pstree.c
>> +++ b/criu/pstree.c
>> @@ -844,7 +844,7 @@ int get_free_pid(struct ns_id *ns)
>>  		node = rb_next(&prev->ns[level].node);
>>  		if (node == NULL)
>>  			return pid;
>> -		next = rb_entry(node, struct pid, ns[0].node);
>> +		next = rb_entry(node, struct pid, ns[level].node);
> 
> Now criu restore hangs
> 
>  8270 pts/0    T      0:00              \_ python test/zdtm.py run -t zdtm/static/pidns00
>  8281 pts/0    T      0:00              |   \_ ./zdtm_ct zdtm.py
>  8282 pts/0    S      0:00              |       \_ python2 zdtm.py
>  8284 pts/0    T      0:00              |           \_ python2 zdtm.py
>  8343 pts/0    S      0:00              |               \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid --ro
>  8348 pts/0    S      0:00              |                   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid 
>  8361 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
>  8367 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
>  8369 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
>  8370 pts/0    S      0:00              |                   |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
>  8349 pts/0    S      0:00              |                   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.pid 
>  8362 pts/0    S      0:00              |                       \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidns00.
>  8363 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
>  8366 pts/0    S      0:00              |                           |   \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/
>  8364 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
>  8365 pts/0    S      0:00              |                           \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/pidn
>  8368 pts/0    S      0:00              |                               \_ ../criu/criu restore -o restore.log -D dump/zdtm/static/pidns00/29/1 -v4 --pidfile /root/git/criu/test/zdtm/static/
>  8371 pts/0    R+     0:00              \_ ps axf

Could you start the test with --sbs? I suppose, zombies are there for some reasons, and they are not appropriate dumped.