[LTP] [PATCH v6 0/2] coredump testing suite

[Andrea Cervesato]

Add a simple coredump01 test that simulate a coredump and verify that it
actually works. This is a small coverage that is missing inside LTP
testing suite.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
Changes in v6:
- coredump01 check Elf
- add coredump02 test for Elf validation
- Link to v5: https://lore.kernel.org/20260903-coredump-v5-1-2ea86fa29107@suse.com

Changes in v5:
- resolve path from root for helper
- Link to v4: https://lore.kernel.org/20260902-coredump-v4-1-3f511ea1c96a@suse.com

Changes in v4:
- read back core_pattern after writing and abort with TBROK on mismatch
- read CONFIG_STATIC_USERMODEHELPER once in setup() and cache the result
- remove namespace visibility scaffolding and skip logic from verify_pipe_pattern()
- resolve helper path with tst_get_path() instead of /proc/self/exe readlink
- Link to v3: https://lore.kernel.org/20260824-coredump-v3-1-6429da674718@suse.com

Changes in v3:
- check for CONFIG_COREDUMP=y
- Link to v2: https://lore.kernel.org/20260824-coredump-v2-1-42428acf5216@suse.com

Changes in v2:
- fix CI agent spotted errors
- Link to v1: https://lore.kernel.org/20260820-coredump-v1-1-7ce51603cefb@suse.com

To: Linux Test Project <ltp@lists.linux.it>

---
Andrea Cervesato (2):
      coredump01: New core_pattern specifiers test
      coredump02: Verify ELF structure and notes

 runtest/kernel_misc                           |   2 +
 testcases/kernel/Makefile                     |   1 +
 testcases/kernel/coredump/.gitignore          |   3 +
 testcases/kernel/coredump/Makefile            |   7 +
 testcases/kernel/coredump/coredump01.c        | 212 +++++++++++++++++++++
 testcases/kernel/coredump/coredump01_helper.c |  73 ++++++++
 testcases/kernel/coredump/coredump02.c        | 253 ++++++++++++++++++++++++++
 7 files changed, 551 insertions(+)
---
base-commit: d377d1cff1ec393459a136eec85088ffd5729430
change-id: 20260820-coredump-22fc731bde08

Best regards,
--  
Andrea Cervesato <andrea.cervesato@suse.com>