[LTP] [PATCH v5 0/7] LSM testing suite

[Andrea Cervesato]

Testing the following syscalls which are providing support for the LSM
communication added in kernel 6.8:

- lsm_get_self_attr
- lsm_set_self_attr
- lsm_list_modules

Please consider the following documentation as reference:
https://docs.kernel.org/userspace-api/lsm.html

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
Changes in v5:
- check if /sys/kernel/security/lsm exists before reading it
- use next_ctx()
- while(ptr) instead of while(ptr != NULL)
- Link to v4: https://lore.kernel.org/r/20250429-lsm-v4-0-602b7097e722@suse.com

Changes in v4:
- fix integer index loop that should be size_t
- correctly cast lsm_ctx pointer to char*
- Link to v3: https://lore.kernel.org/r/20250428-lsm-v3-0-33a4caa9aaf2@suse.com

Changes in v3:
- lsm_common.h cleanup
- better overall check for supported LSM(s) when using LSM_ATTR_CURRENT
- simplify tests using more common functions
- use the right size for lsm_ctx
- Link to v2: https://lore.kernel.org/r/20250110-lsm-v2-0-bd38035f86bc@suse.com

Changes in v2:
- correctly fallback <linux/lsm.h> include
- Link to v1: https://lore.kernel.org/r/20241112-lsm-v1-0-e293a8d99cf6@suse.com

---
Andrea Cervesato (7):
      Add fallback definitions of LSM syscalls
      Add lsm_get_self_attr01 test
      Add lsm_get_self_attr02 test
      Add lsm_get_self_attr03 test
      Add lsm_list_modules01 test
      Add lsm_list_modules02 test
      Add lsm_set_self_attr01 test

 configure.ac                                       |   3 +-
 include/lapi/lsm.h                                 | 177 +++++++++++++++++++++
 runtest/syscalls                                   |   7 +
 testcases/kernel/syscalls/lsm/.gitignore           |   6 +
 testcases/kernel/syscalls/lsm/Makefile             |   7 +
 testcases/kernel/syscalls/lsm/lsm_common.h         |  96 +++++++++++
 .../kernel/syscalls/lsm/lsm_get_self_attr01.c      |  92 +++++++++++
 .../kernel/syscalls/lsm/lsm_get_self_attr02.c      |  45 ++++++
 .../kernel/syscalls/lsm/lsm_get_self_attr03.c      |  68 ++++++++
 testcases/kernel/syscalls/lsm/lsm_list_modules01.c |  75 +++++++++
 testcases/kernel/syscalls/lsm/lsm_list_modules02.c | 156 ++++++++++++++++++
 .../kernel/syscalls/lsm/lsm_set_self_attr01.c      | 110 +++++++++++++
 12 files changed, 841 insertions(+), 1 deletion(-)
---
base-commit: 14d8a5e93874a3fb256932930fd0a15c15f1f503
change-id: 20241105-lsm-5da2f6c2a1e9

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