diff options
| author |   Christian Brauner <brauner@kernel.org> | 2025-04-03 16:09:04 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-04-07 09:38:24 +0200 |
| commit | 4fc3f73c16dae0211f31a963eedfb921f8366f57 (patch) | |
| tree | b8b36d1b847d960dfb7bb9d76b4e477b65ebd656 | |
| parent | pidfd: improve uapi when task isn't found (diff) | |
| download | wireguard-linux-4fc3f73c16dae0211f31a963eedfb921f8366f57.tar.xz wireguard-linux-4fc3f73c16dae0211f31a963eedfb921f8366f57.zip | |
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>
| -rw-r--r-- | tools/testing/selftests/pidfd/pidfd_info_test.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd_info_test.c b/tools/testing/selftests/pidfd/pidfd_info_test.c index accfd6bdc539..a0eb6e81eaa2 100644 --- a/tools/testing/selftests/pidfd/pidfd_info_test.c +++ b/tools/testing/selftests/pidfd/pidfd_info_test.c @@ -299,6 +299,7 @@ TEST_F(pidfd_info, thread_group) /* Opening a thread as a thread-group leader must fail. */ pidfd_thread = sys_pidfd_open(pid_thread, 0); ASSERT_LT(pidfd_thread, 0); + ASSERT_EQ(errno, ENOENT); /* Opening a thread as a PIDFD_THREAD must succeed. */ pidfd_thread = sys_pidfd_open(pid_thread, PIDFD_THREAD); |