selftests/bpf: Remove usage of lsm/file_alloc_security in selftest

file_alloc_security hook is disabled. Use other LSM hooks in selftests
instead.

Signed-off-by: Amery Hung <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Alexei Starovoitov <[e-mail]>

tools/testing/selftests/bpf/prog_tests/test_lsm.c

···
 	if (CHECK_FAIL(!err))
 		goto close_prog;
 
-	prog_fd = bpf_program__fd(skel->progs.lsm_file_alloc_security_prog);
+	prog_fd = bpf_program__fd(skel->progs.lsm_kernfs_init_security_prog);
 	if (CHECK_FAIL(prog_fd < 0))
 		goto close_prog;
 

tools/testing/selftests/bpf/progs/lsm_tailcall.c

···
 	return 0;
 }
 
-SEC("lsm/file_alloc_security")
-int lsm_file_alloc_security_prog(void *ctx)
+SEC("lsm/kernfs_init_security")
+int lsm_kernfs_init_security_prog(void *ctx)
 {
 	return 0;
 }
 
-SEC("lsm/file_alloc_security")
-int lsm_file_alloc_security_entry(void *ctx)
+SEC("lsm/kernfs_init_security")
+int lsm_kernfs_init_security_entry(void *ctx)
 {
 	bpf_tail_call_static(ctx, &jmp_table, 0);
 	return 0;

tools/testing/selftests/bpf/progs/verifier_lsm.c

···
 #include <bpf/bpf_helpers.h>
 #include "bpf_misc.h"
 
-SEC("lsm/file_alloc_security")
+SEC("lsm/file_permission")
 __description("lsm bpf prog with -4095~0 retval. test 1")
 __success
 __naked int errno_zero_retval_test1(void *ctx)
···
 	::: __clobber_all);
 }
 
-SEC("lsm/file_alloc_security")
+SEC("lsm/file_permission")
 __description("lsm bpf prog with -4095~0 retval. test 2")
 __success
 __naked int errno_zero_retval_test2(void *ctx)