kernel/tools/testing/selftests/pidfd/pidfd_getfd_test.c, branch linux-rolling-stable

selftests: complete kselftest include centralization

2025-11-27T22:24:31Z

This follow-up patch completes centralization of kselftest.h and ksefltest_harness.h includes in remaining seltests files, replacing all relative paths with a non-relative paths using shared -I include path in lib.mk Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on riscv, arm64, x86_64 and powerpc arch. [reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h] Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com Signed-off-by: Bala-Vignesh-Reddy Suggested-by: Andrew Morton Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/ Reviewed-by: Wei Yang Cc: David Hildenbrand Cc: David S. Miller Cc: Eric Dumazet Cc: Günther Noack Cc: Jakub Kacinski Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mickael Salaun Cc: Ming Lei Cc: Paolo Abeni Cc: Shuah Khan Cc: Simon Horman Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton

selftests: add ESRCH tests for pidfd_getfd()

2024-02-07T14:48:31Z

Ensure that pidfd_getfd() reports -ESRCH if the task is already exiting. Signed-off-by: Tycho Andersen Link: https://lore.kernel.org/r/20240206192357.81942-1-tycho@tycho.pizza Signed-off-by: Christian Brauner

selftests: pidfd: skip test on kcmp() ENOSYS

2020-10-27T23:01:45Z

Skip test if kcmp() is not available, for example if kernel is compiled without CONFIG_CHECKPOINT_RESTORE=y. Signed-off-by: Tommi Rantala Acked-by: Christian Brauner Signed-off-by: Shuah Khan

selftests: Remove unneeded selftest API headers

2020-07-06T21:59:07Z

Remove unused includes of the kselftest.h header. Acked-by: Christian Brauner Signed-off-by: Kees Cook Signed-off-by: Shuah Khan

tests: test for setns() EINVAL regression

2020-06-16T22:48:54Z

Verify that setns() reports EINVAL when an fd is passed that refers to an open file but the file is not a file descriptor useable to interact with namespaces. Cc: Jan Stancek Cc: Cyril Hrubis Link: https://lore.kernel.org/lkml/20200615085836.GR12456@shao2-debian Signed-off-by: Christian Brauner

test: Add test for pidfd getfd

2020-01-13T20:49:54Z

The following tests: * Fetch FD, and then compare via kcmp * Make sure getfd can be blocked by blocking ptrace_may_access * Making sure fetching bad FDs fails * Make sure trying to set flags to non-zero results in an EINVAL Signed-off-by: Sargun Dhillon Acked-by: Christian Brauner Link: https://lore.kernel.org/r/20200107175927.4558-5-sargun@sargun.me Signed-off-by: Christian Brauner