[LTP] [PATCH v2 0/5] fanotify: update pidfd tests for FAN_REPORT_TID

[AnonymeMeow]

This patch set updates fanotify pidfd tests for the kernel change that
adds FAN_REPORT_PIDFD support together with FAN_REPORT_TID.

Link: https://lore.kernel.org/lkml/20260607003343.425939-1-anonymemeow@gmail.com/

---

Changes since v1:
 - Added upstream commit reference in comment
 - skip FAN_REPORT_PIDFD | FAN_REPORT_TID tests for kernel v7.2+
 - Added pthread link flag

v1: https://lore.kernel.org/ltp/20260615180629.7148-1-anonymemeow@gmail.com/

---

AnonymeMeow (5):
  fanotify20: Skip FAN_REPORT_PIDFD | FAN_REPORT_TID test on v7.2+
  fanotify21: Stop relying on exited child for pidfd error
  fanotify21: Simplify read_pidfd_fdinfo()
  fanotify21: Add test variants for FAN_REPORT_TID
  fanotify21: Add FAN_REPORT_TID pidfd coverage

 include/lapi/pidfd.h                          |   4 +
 testcases/kernel/syscalls/fanotify/Makefile   |   2 +-
 .../kernel/syscalls/fanotify/fanotify20.c     |  14 +-
 .../kernel/syscalls/fanotify/fanotify21.c     | 192 +++++++++++-------
 4 files changed, 135 insertions(+), 77 deletions(-)

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2.54.0