- 18 Dec, 2015 8 commits
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Andrew Vagin authored
Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
Now we save files, maps and mounts for each test process and we need to compare them separately for each process. Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Pavel Emelyanov authored
Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
Restore dumpable flag after setfsuid to assure that created /proc/self/* file inode had task's credentials. Without it it would have root creds and trying to access proc files of task will fail from non-root user in generic vfs permission check. Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Acked-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Kirill Tkhai authored
Since commit ea747b07 receive queue for such DGRAM sockets restores twice: in open_unix_sk() and post_open_unix_sk(). It should be made only once. So, keep that commit logic only for sockets without alive sender. Signed-off-by:
Kirill Tkhai <ktkhai@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
It is restored from the userns. 21:22:31.443: 4: FAIL: loginuid.c:93: loginuid value 3 is different after restore: 100003 Cc: Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Reviewed-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Tycho Andersen authored
Noticed this when I was looking over the LSM code for Cyrill's task => thread creds set. We set this to null to save some work later, but we forget to free it first. Signed-off-by:
Tycho Andersen <tycho.andersen@canonical.com> Acked-by:
Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
Cc: Dmitry Safonov <dsafonov@odin.com> Reported-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Tested-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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- 17 Dec, 2015 1 commit
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Dmitry Safonov authored
unseize_task_and_threads sends SIGKILL in unseize_task under condition (st == TASK_DEAD). Which obviously kills task. Move freezer_detach after pstree_wait to detach only from alive tasks to get rid of the following errors: (00.242163) Error (seize.c:223): Unable to detach from 23064 : No such process (00.242177) Error (seize.c:223): Unable to detach from 23065 : No such process Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Acked-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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- 16 Dec, 2015 22 commits
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Dmitry Safonov authored
... so it can be used from non-root: (Higher value means it would be killed earlier so everyone should be possible to change his value to bigger than zero) Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Stanislav Kinsburskiy authored
System call sys_fcntl() in _some_ kernels can silently drop some flags during set and return success code. This patch adds double check, that all the fd flags were really set. Signed-off-by:
Stanislav Kinsburskiy <skinsbursky@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Evgeniy Akimov authored
Patch restores freezer cgroup state between finalize_restore stages. It should be done after first stage because we cannot unmap restorer blob from frozen process, and before second stage because we must freeze processes before they continue run. We also need to move fini_cgroup between these stages to provide freezer cgroup state restorer access to cgroup mount directories. Error handlers contains fini_cgroup, so we are sure that fini_cgroup call won't be missed. Patch restores state only for one freezer cgroup from --freeze-cgroup option, not all states from whole hierarchy, because CRIU supports checkpoint from freezer cgroup hierarchy only with THAWED state, except root cgroup from --freeze-cgroup option. Signed-off-by:
Evgeniy Akimov <geka666@gmail.com> Signed-off-by:
Eugene Batalov <eabatalov89@gmail.com> Acked-by:
Andrew Vagin <avagin@openvz.org> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Evgeniy Akimov authored
First stage of finalize_restore unmaps the restorer blob, second stage detaches from processes. After first stage process tree is completely restored and processes are ready to continue run through sigreturn. This splitting allows us to execute something between these stages (e.g. restore freezer cgroup state). Signed-off-by:
Evgeniy Akimov <geka666@gmail.com> Signed-off-by:
Eugene Batalov <eabatalov89@gmail.com> Acked-by:
Andrew Vagin <avagin@openvz.org> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Evgeniy Akimov authored
CRIU sets freezer.state to "THAWED" during process tree dumping. That's why we can't simply save freezer.state file contents to cgroups image. New special function get_real_freezer_state() returns freezer cgroup state observed before CRIU dumping start. Patch puts its return value to dump file. Signed-off-by:
Evgeniy Akimov <geka666@gmail.com> Signed-off-by:
Eugene Batalov <eabatalov89@gmail.com> Acked-by:
Andrew Vagin <avagin@openvz.org> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Pavel Emelyanov authored
This one prints the /proc/pid/maps-like output, but with slightly more details. Like this 1 exe /zdtm/live/static/maps00 00400000-00406000 r-x /zdtm/live/static/maps00 00605000-00606000 r-- /zdtm/live/static/maps00 + 0x5000 00606000-00607000 rw- /zdtm/live/static/maps00 + 0x6000 7f4037845000-7f40379f9000 r-x /lib64/libc.so.6 7f40379f9000-7f4037bf8000 --- /lib64/libc.so.6 + 0x1b4000 7f4037bf8000-7f4037bfc000 r-- /lib64/libc.so.6 + 0x1b3000 7f4037bfc000-7f4037bfe000 rw- /lib64/libc.so.6 + 0x1b7000 7f4037bfe000-7f4037c03000 rw- 7f4037c03000-7f4037c23000 r-x /lib64/ld-linux-x86-64.so.2 7f4037e1e000-7f4037e22000 rw- 7f4037e22000-7f4037e23000 r-- /lib64/ld-linux-x86-64.so.2 + 0x1f000 7f4037e23000-7f4037e24000 rw- /lib64/ld-linux-x86-64.so.2 + 0x20000 7f4037e24000-7f4037e25000 rw- 7fff34652000-7fff34699000 rw- [stack?] 7fff346e2000-7fff346e4000 r-- 7fff346e4000-7fff346e6000 r-x [vdso] ffffffffff600000-ffffffffff601000 r-x [vsyscall] * Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Pavel Emelyanov authored
Shows files opened by tasks. The output is like 1 0: /dev/null 1: /zdtm/live/static/session00.outns 2: /zdtm/live/static/session00.outns cwd: /zdtm/live/static root: / 6 0: /dev/null 1: /zdtm/live/static/session00.out.inprogress 2: /zdtm/live/static/session00.out.inprogress 3: pipe[18305] cwd: /zdtm/live/static root: / 10 0: /dev/null 1: /zdtm/live/static/session00.out.inprogress 2: /zdtm/live/static/session00.out.inprogress 3: pipe[18308] cwd: /zdtm/live/static root: / Signed-off-by:
Pavel Emelyanov <xemul@parallels.com> Appreciated-by: avagin@openvz.org
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Pavel Emelyanov authored
Shows process tree from image. The output is like PID PGID SID COMM 1 1 1 session00 4 4 4 session00 7 7 7 session00 8 4 4 session00 11 11 11 session00 12 4 4 session00 13 13 13 session00 14 14 14 session00 15 4 4 session00 6 4 4 session00 10 9 9 session00 (the above is for session00 test). Signed-off-by:
Pavel Emelyanov <xemul@parallels.com> Appreciated-by: avagin@openvz.org
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Pavel Emelyanov authored
Signed-off-by:
Pavel Emelyanov <xemul@parallels.com> Appreciated-by: avagin@openvz.org
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Andrew Vagin authored
In this case it has an external master_id and we want to test that criu can handle it correctly. Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
The thread_bomb test was rewrited and ZDTM_THREAD_BOMB should be equal 5 now. Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
It works for tests which are executed in a separate pidns Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
It's an external one and it's already created and we don't have proper shared mount. Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrew Vagin authored
We don't need to remount a mount as private, when a source mount and a new mount has the same master_id and shared_id Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
The value of loginuid cannot be changed inside container, with the exception if it was not set yet. This value is inherited on fork() from parent. So, to restore original loginuid values for all tasks: - unset the container parent loginuid - all children will have this value unsetted - on child restore set value from dump See http://lxr.free-electrons.com/source/kernel/audit.c#L635 https://jira.sw.ru/browse/PSBM-41993Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
https://jira.sw.ru/browse/PSBM-41993Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Dmitry Safonov authored
https://jira.sw.ru/browse/PSBM-41993Signed-off-by:
Dmitry Safonov <dsafonov@odin.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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- 15 Dec, 2015 5 commits
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Cyrill Gorcunov authored
Standalone criu target should not be used here because it doesn't carry all prerequisites needed. Instead simply use @all. Signed-off-by:
Cyrill Gorcunov <gorcunov@openvz.org> Acked-by:
Tycho Andersen <tycho.andersen@canonical.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Tycho Andersen authored
Signed-off-by:
Tycho Andersen <tycho.andersen@canonical.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Pavel Emelyanov authored
When running test in ns/uns flavor zdtm.py builds a temp root in test/ directory. The new action allows to remove all this stuff automatically. Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Rodrigo Bruno authored
Signed-off-by: Rodrigo Bruno <rbruno at gsd.inesc-id.pt> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Rodrigo Bruno authored
This will be required for page-cache and page-proxy set. Signed-off-by: Rodrigo Bruno <rbruno at gsd.inesc-id.pt> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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- 14 Dec, 2015 3 commits
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Andrew Vagin authored
A freezer cgroup can contain tasks which will be not dumped, criu unfreezes the group, so we need to freeze all extra task with ptrace like we do for target tasks. Currently we attache and send an interrupt signals to these tasks, but we don't call waitpid() for them, so then waitpid(-1, ...) returns these tasks where we don't expect to see them. v2: execute freezer_detach() only if opts.freeze_cgroup is set calculate extra tasks in a freezer cgroup correctly v3: s/frozen_processes/processes_to_wait/ Signed-off-by:
Andrew Vagin <avagin@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Stanislav Kinsburskiy authored
It will be used to mount AutoFS, because context creation is required in addition to actual mount operation. Signed-off-by:
Stanislav Kinsburskiy <skinsbursky@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Stanislav Kinsburskiy authored
This patch introduces three helpers: 1) pstree_item_by_real() - search for pstree item by real pid. 2) pstree_item_by_virt() - search for pstree item by virtual pid. 3) pid_to_virt() - return virtual pis by real one. Note: pstree_item_by_virt() and pid_to_virt() will be used to migrate AutoFS. Signed-off-by:
Stanislav Kinsburskiy <skinsbursky@virtuozzo.com> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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- 11 Dec, 2015 1 commit
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Pavel Emelyanov authored
The head test is zdtm/lib/group, so it is impossible to run several instances of it in parallel Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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