tst_test.sh: IMA: Allow to disable LSM warnings and use it for IMA

we are printing a hint on a failure that SELinux or AppArmor may have caused
the failure and we want a knob to disable it and use it for IMA.

Link: https://lore.kernel.org/ltp/[email protected]/
Suggested-by: Mimi Zohar <[email protected]>
Reviewed-by: Mimi Zohar <[email protected]>
Reviewed-by: Cyril Hrubis <[email protected]>
Signed-off-by: Petr Vorel <[email protected]>

Author: pevik

testcases/kernel/security/integrity/ima/tests/ima_setup.sh

@@ -11,6 +11,7 @@ TST_CLEANUP_CALLER="$TST_CLEANUP"
 TST_CLEANUP="ima_cleanup"
 TST_NEEDS_ROOT=1
 TST_MOUNT_DEVICE=1
+TST_SKIP_LSM_WARNINGS=1
 
 # TST_MOUNT_DEVICE can be unset, therefore specify explicitly
 TST_NEEDS_TMPDIR=1

testcases/lib/tst_test.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0-or-later
-# Copyright (c) Linux Test Project, 2014-2022
+# Copyright (c) Linux Test Project, 2014-2025
 # Author: Cyril Hrubis <[email protected]>
 #
 # LTP test library for shell.
@@ -81,7 +81,7 @@ _tst_do_exit()
 	fi
 
 	if [ $TST_BROK -gt 0 -o $TST_FAIL -gt 0 -o $TST_WARN -gt 0 ]; then
-		_tst_check_security_modules
+		[ -z "$TST_SKIP_LSM_WARNINGS" ] && _tst_check_security_modules
 	fi
 
 	cat >&2 << EOF