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12 Commits

Author SHA1 Message Date
Christian Brauner
4fc3f73c16
selftest/pidfd: add test for thread-group leader pidfd open for thread 
Verify that we report ENOENT when userspace tries to create a
thread-group leader pidfd for a thread pidfd that isn't a thread-group
leader.

Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-4-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-04-07 09:38:24 +02:00
Christian Brauner
76d2d75ddc
selftests/pidfd: adapt to recent changes 
Adapt to changes in commit 9133607de3 ("exit: fix the usage of
delay_group_leader->exit_code in do_notify_parent() and pidfs_exit()").

Even if the thread-group leader exited early and succesfully it's exit
status will only be reported once the whole thread-group has exited and
it will share the exit code of the thread-group. So if the thread-group
was SIGKILLed the thread-group leader will also be reported as having
been SIGKILLed.

Link: https://lore.kernel.org/r/20250403-work-pidfd-fixes-v1-1-a123b6ed6716@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-04-07 09:38:24 +02:00
Christian Brauner
4d5483a42c
selftests/pidfd: third test for multi-threaded exec polling 
Ensure that during a multi-threaded exec and premature thread-group
leader exit no exit notification is generated.

Link: https://lore.kernel.org/r/20250320-work-pidfs-thread_group-v4-4-da678ce805bf@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-20 15:32:43 +01:00
Christian Brauner
9b6f723db5
selftests/pidfd: second test for multi-threaded exec polling 
Ensure that during a multi-threaded exec and premature thread-group
leader exit no exit notification is generated.

Link: https://lore.kernel.org/r/20250320-work-pidfs-thread_group-v4-3-da678ce805bf@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-20 15:32:43 +01:00
Christian Brauner
db7ce91e22
selftests/pidfd: first test for multi-threaded exec polling 
Add first test for premature thread-group leader exit.

Link: https://lore.kernel.org/r/20250320-work-pidfs-thread_group-v4-2-da678ce805bf@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-20 15:32:43 +01:00
Christian Brauner
56f235da15
selftests/pidfd: add seventh PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-16-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
1c4f2dbe42
selftests/pidfd: add sixth PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-15-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
2adf6ca638
selftests/pidfd: add fifth PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-14-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
2e94e4c649
selftests/pidfd: add fourth PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-13-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
a79975f05e
selftests/pidfd: add third PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-12-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
86c1dfdd52
selftests/pidfd: add second PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-11-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00
Christian Brauner
853ab1ff2c
selftests/pidfd: add first PIDFD_INFO_EXIT selftest 
Add a selftest for PIDFD_INFO_EXIT behavior.

Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-10-c8c3d8361705@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2025-03-05 13:26:21 +01:00