breeze/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-25 15:03:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

selftest/pidfd: add test for thread-group leader pidfd open for thread

Browse Source 
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>
This commit is contained in:
Christian Brauner
2025-04-03 16:09:04 +02:00
parent 8cf4b738f6
commit 4fc3f73c16
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
tools/testing/selftests/pidfd/pidfd_info_test.c
View File

@@ -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);