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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 <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Several selftests subdirectories duplicated the define __maybe_unused,
leading to redundant code. Move to kselftest.h header and remove other
definitions.
This addresses the duplication noted in the proc-pid-vm warning fix
Link: https://lkml.kernel.org/r/20250821101159.2238-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link:https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Mickal Salan <mic@digikod.net> [landlock]
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The audit_init_filter_exe() helper incorrectly checks the readlink(2)
error because an unsigned integer is used to store the result. Use a
signed integer for this check.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/aDbFwyZ_fM-IO7sC@stanley.mountain
Fixes: 6a500b22971c ("selftests/landlock: Add tests for audit flags and domain IDs")
Reviewed-by: Günther Noack <gnoack@google.com>
Link: https://lore.kernel.org/r/20250528144426.1709063-1-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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Add audit.thread tests to check that the PID tied to a domain is not a
thread ID but the thread group ID. These new tests would not pass
without the previous TGID fix.
Extend matches_log_domain_allocated() to check against the PID that
created the domain.
Test coverage for security/landlock is 93.6% of 1524 lines according to
gcc/gcov-14.
Cc: Christian Brauner <brauner@kernel.org>
Cc: Günther Noack <gnoack@google.com>
Cc: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/20250410171725.1265860-3-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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Test all filesystem blockers, including events with several records, and
record with several blockers:
- fs.execute
- fs.write_file
- fs.read_file
- fs_read_dir
- fs.remove_dir
- fs.remove_file
- fs.make_char
- fs.make_dir
- fs.make_reg
- fs.make_sock
- fs.make_fifo
- fs.make_block
- fs.make_sym
- fs.refer
- fs.truncate
- fs.ioctl_dev
- fs.change_topology
Cc: Günther Noack <gnoack@google.com>
Cc: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/20250320190717.2287696-27-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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Add audit_test.c to check with and without LANDLOCK_RESTRICT_SELF_*
flags against the two Landlock audit record types:
AUDIT_LANDLOCK_ACCESS and AUDIT_LANDLOCK_DOMAIN.
Check consistency of domain IDs per layer in AUDIT_LANDLOCK_ACCESS and
AUDIT_LANDLOCK_DOMAIN messages: denied access, domain allocation, and
domain deallocation.
These tests use signal scoping to make it simple. They are not in the
scoped_signal_test.c file but in the new dedicated audit_test.c file.
Tests are run with audit filters to ensure the audit records come from
the test program. Moreover, because there can only be one audit
process, tests would failed if run in parallel. Because of audit
limitations, tests can only be run in the initial namespace.
The audit test helpers were inspired by libaudit and
tools/testing/selftests/net/netfilter/audit_logread.c
Cc: Günther Noack <gnoack@google.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Phil Sutter <phil@nwl.cc>
Link: https://lore.kernel.org/r/20250320190717.2287696-23-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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