From: Zhao Lei <zhaolei-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> Subject: [PATCH v2 0/2] Make core_pattern support namespace Date: Tue, 2 Aug 2016 17:08:31 +0800 [thread overview] Message-ID: <cover.1470128571.git.zhaolei@cn.fujitsu.com> (raw) This patchset includes following function points: 1: Let pipe_type core_pattern write dump into container's rootfs done by: [PATCH v2 1/2] Limit dump_pipe program's permission to init for container 2: Make separate core_pattern setting for each container done by: [PATCH v2 2/2] Make core_pattern support namespace 3: Compatibility with current system also included in: [PATCH v2 2/2] Make core_pattern support namespace If container hadn't change core_pattern setting, it will keep same setting with host. Test: 1: Pass a test script for each function of this patchset # ./test_host Set file core_pattern: OK ./test_host: line 41: 4237 Segmentation fault (core dumped) "$SCRIPT_BASE_DIR"/make_dump Checking dumpfile: OK Set file core_pattern: OK ./test_host: line 41: 4240 Segmentation fault (core dumped) "$SCRIPT_BASE_DIR"/make_dump Checking dump_pipe triggered: OK Checking rootfs: OK Checking dumpfile: OK Checking namespace: OK Checking process list: OK Checking capabilities: OK # # /test Segmentation fault (core dumped) -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_cap_init -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_cap_self -rw-r--r-- 1 root root 5 Aug 2 09:01 /tmp/dumptest_cg_cgpid -rw-r--r-- 1 root root 327680 Aug 2 09:01 /tmp/dumptest_guestdump_11_524288000_16_0_0_1470128516 -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_ns_init -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_ns_self -rw-r--r-- 1 root root 288 Aug 2 09:01 /tmp/dumptest_psresult -rw-r--r-- 1 root root 1728 Aug 2 09:01 /tmp/dumptest_rootfs Checking dump_pipe triggered: OK Checking rootfs: OK Checking dumpfile: OK Checking namespace: OK Checking process list: OK Checking cg pids: OK Checking capabilities: OK 2: Pass other test(which is not easy to do in script) by hand. Changelog v1(RFC)->v2: 1: Add [PATCH 2/2] which was todo in [RFC v1]. 2: Pass a test script for each function. 3: Rebase on top of v4.7. Suggested-by: Eric W. Biederman <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> Suggested-by: KOSAKI Motohiro <kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org> Signed-off-by: Zhao Lei <zhaolei-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> Zhao Lei (2): Limit dump_pipe program's permission to init for container Make core_pattern support namespace fs/coredump.c | 110 +++++++++++++++++++++++++++++++++++++++--- include/linux/binfmts.h | 1 + include/linux/pid_namespace.h | 3 ++ kernel/pid.c | 2 + kernel/pid_namespace.c | 2 + kernel/sysctl.c | 50 +++++++++++++++++-- 6 files changed, 156 insertions(+), 12 deletions(-) -- 1.8.5.1
WARNING: multiple messages have this Message-ID (diff)
From: Zhao Lei <zhaolei@cn.fujitsu.com> To: <linux-kernel@vger.kernel.org> Cc: containers@lists.linux-foundation.org, "Eric W. Biederman" <ebiederm@xmission.com>, "Mateusz Guzik" <mguzik@redhat.com>, "Kamezawa Hiroyuki" <kamezawa.hiroyu@jp.fujitsu.com>, "Stéphane Graber" <stgraber@ubuntu.com>, "Zhao Lei" <zhaolei@cn.fujitsu.com> Subject: [PATCH v2 0/2] Make core_pattern support namespace Date: Tue, 2 Aug 2016 17:08:31 +0800 [thread overview] Message-ID: <cover.1470128571.git.zhaolei@cn.fujitsu.com> (raw) This patchset includes following function points: 1: Let pipe_type core_pattern write dump into container's rootfs done by: [PATCH v2 1/2] Limit dump_pipe program's permission to init for container 2: Make separate core_pattern setting for each container done by: [PATCH v2 2/2] Make core_pattern support namespace 3: Compatibility with current system also included in: [PATCH v2 2/2] Make core_pattern support namespace If container hadn't change core_pattern setting, it will keep same setting with host. Test: 1: Pass a test script for each function of this patchset # ./test_host Set file core_pattern: OK ./test_host: line 41: 4237 Segmentation fault (core dumped) "$SCRIPT_BASE_DIR"/make_dump Checking dumpfile: OK Set file core_pattern: OK ./test_host: line 41: 4240 Segmentation fault (core dumped) "$SCRIPT_BASE_DIR"/make_dump Checking dump_pipe triggered: OK Checking rootfs: OK Checking dumpfile: OK Checking namespace: OK Checking process list: OK Checking capabilities: OK # # /test Segmentation fault (core dumped) -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_cap_init -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_cap_self -rw-r--r-- 1 root root 5 Aug 2 09:01 /tmp/dumptest_cg_cgpid -rw-r--r-- 1 root root 327680 Aug 2 09:01 /tmp/dumptest_guestdump_11_524288000_16_0_0_1470128516 -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_ns_init -rw-r--r-- 1 root root 123 Aug 2 09:01 /tmp/dumptest_ns_self -rw-r--r-- 1 root root 288 Aug 2 09:01 /tmp/dumptest_psresult -rw-r--r-- 1 root root 1728 Aug 2 09:01 /tmp/dumptest_rootfs Checking dump_pipe triggered: OK Checking rootfs: OK Checking dumpfile: OK Checking namespace: OK Checking process list: OK Checking cg pids: OK Checking capabilities: OK 2: Pass other test(which is not easy to do in script) by hand. Changelog v1(RFC)->v2: 1: Add [PATCH 2/2] which was todo in [RFC v1]. 2: Pass a test script for each function. 3: Rebase on top of v4.7. Suggested-by: Eric W. Biederman <ebiederm@xmission.com> Suggested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Zhao Lei (2): Limit dump_pipe program's permission to init for container Make core_pattern support namespace fs/coredump.c | 110 +++++++++++++++++++++++++++++++++++++++--- include/linux/binfmts.h | 1 + include/linux/pid_namespace.h | 3 ++ kernel/pid.c | 2 + kernel/pid_namespace.c | 2 + kernel/sysctl.c | 50 +++++++++++++++++-- 6 files changed, 156 insertions(+), 12 deletions(-) -- 1.8.5.1
next reply other threads:[~2016-08-02 9:08 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-02 9:08 Zhao Lei [this message] 2016-08-02 9:08 ` [PATCH v2 0/2] Make core_pattern support namespace Zhao Lei [not found] ` <cover.1470128571.git.zhaolei-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2016-08-02 9:08 ` [PATCH v2 1/2] Limit dump_pipe program's permission to init for container Zhao Lei 2016-08-02 9:08 ` Zhao Lei [not found] ` <c7d8e45aa76a414c73082d22d325cd5a13979773.1470128572.git.zhaolei-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> 2016-08-05 6:32 ` Andrei Vagin 2016-08-05 6:32 ` Andrei Vagin [not found] ` <CANaxB-yz2AbjQYLLfXF03A-H=b5FV6+Dc8egorFFydbtZO-9Mg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2016-08-05 7:52 ` Zhao Lei 2016-08-05 7:52 ` Zhao Lei 2016-08-05 17:13 ` 'Andrei Vagin' 2016-08-05 17:13 ` 'Andrei Vagin' [not found] ` <20160805171339.GA19853-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-12 2:11 ` Zhao Lei 2016-08-12 2:11 ` Zhao Lei 2016-08-02 9:08 ` [PATCH v2 2/2] Make core_pattern support namespace Zhao Lei 2016-08-02 9:08 ` Zhao Lei
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