117 	int mnt_fd, err;  in materialize_bpffs_fd()  local
139 	mnt_fd = sys_fsmount(fs_fd, 0, 0);  in materialize_bpffs_fd()
143 	return mnt_fd;  in materialize_bpffs_fd()
287 	int mnt_fd = -1, fs_fd = -1, err = 0, bpffs_fd = -1, token_fd = -1;  in child()  local
340 	err = recvfd(sock_fd, &mnt_fd);  in child()
345 	fs_fd = sys_fspick(mnt_fd, "", FSPICK_EMPTY_PATH);  in child()
374 	bpffs_fd = openat(mnt_fd, ".", 0, O_RDWR);  in child()
399 	zclose(mnt_fd);  in child()
431 	int fs_fd = -1, mnt_fd = -1, token_fd = -1, err;  in parent()  local
437 	mnt_fd = materialize_bpffs_fd(fs_fd, bpffs_opts);  in parent()
438 	if (!ASSERT_GE(mnt_fd, 0, "materialize_bpffs_fd")) {  in parent()
445 	err = sendfd(sock_fd, mnt_fd);  in parent()
448 	zclose(mnt_fd);  in parent()
461 	zclose(mnt_fd);  in parent()
498 static int userns_map_create(int mnt_fd, struct token_lsm *lsm_skel)  in userns_map_create()  argument
505 	token_fd = bpf_token_create(mnt_fd, NULL);  in userns_map_create()
566 static int userns_btf_load(int mnt_fd, struct token_lsm *lsm_skel)  in userns_btf_load()  argument
576 	token_fd = bpf_token_create(mnt_fd, NULL);  in userns_btf_load()
635 static int userns_prog_load(int mnt_fd, struct token_lsm *lsm_skel)  in userns_prog_load()  argument
652 	token_fd = bpf_token_create(mnt_fd, NULL);  in userns_prog_load()
714 static int userns_obj_priv_map(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_map()  argument
728 	snprintf(buf, sizeof(buf), "/proc/self/fd/%d", mnt_fd);  in userns_obj_priv_map()
742 static int userns_obj_priv_prog(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_prog()  argument
756 	snprintf(buf, sizeof(buf), "/proc/self/fd/%d", mnt_fd);  in userns_obj_priv_prog()
795 static int validate_struct_ops_load(int mnt_fd, bool expect_success)  in validate_struct_ops_load()  argument
802 	snprintf(buf, sizeof(buf), "/proc/self/fd/%d", mnt_fd);  in validate_struct_ops_load()
821 static int userns_obj_priv_btf_fail(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_btf_fail()  argument
823 	return validate_struct_ops_load(mnt_fd, false /* should fail */);  in userns_obj_priv_btf_fail()
826 static int userns_obj_priv_btf_success(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_btf_success()  argument
828 	return validate_struct_ops_load(mnt_fd, true /* should succeed */);  in userns_obj_priv_btf_success()
834 static int userns_obj_priv_implicit_token(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_implicit_token()  argument
852 	err = sys_move_mount(mnt_fd, "", AT_FDCWD, "/sys/fs/bpf", MOVE_MOUNT_F_EMPTY_PATH);  in userns_obj_priv_implicit_token()
893 static int userns_obj_priv_implicit_token_envvar(int mnt_fd, struct token_lsm *lsm_skel)  in userns_obj_priv_implicit_token_envvar()  argument
915 	err = sys_move_mount(mnt_fd, "", AT_FDCWD, TOKEN_BPFFS_CUSTOM, MOVE_MOUNT_F_EMPTY_PATH);  in userns_obj_priv_implicit_token_envvar()