smack_ismaclabel(9)

💅 NAME

okay so bestie, this is smack_ismaclabel — it checks if the xattr name references a smack MAC label. that's it. that's the whole vibe. ✨

(this one lives in the Kernel API Manual, section 9, and honestly? she's a tiny little icon and we love her for it 🎀)

✨ SYNOPSIS

int smack_ismaclabel (const char *name );

literally one function, one argument, no drama. 🫶

🎀 ARGUMENTS

• name — the Full xattr name to check. that's the whole assignment bestie, just hand her the name and let her do her thing 💖

🦋 SEE ALSO

the Kernel file ./security/smack/smack_lsm.c — and then, and I mean this lovingly, the entire extended friend group 😭 👑

• smk_fetch(9), init_inode_smack(9), init_task_smack(9), smk_copy_rules(9), smk_copy_relabel(9)
• smk_ptrace_mode(9), smk_ptrace_rule_check(9), smack_ptrace_access_check(9), smack_ptrace_traceme(9), smack_syslog(9)
• smack_sb_alloc_security(9), smack_fs_context_submount(9), smack_fs_context_dup(9), smack_fs_context_parse_param(9), smack_set_mnt_opts(9), smack_sb_statfs(9)
• smack_bprm_creds_for_exec(9), smack_inode_alloc_security(9), smk_rule_transmutes(9)
• smack_inode_init_security(9), smack_inode_link(9), smack_inode_unlink(9), smack_inode_rmdir(9), smack_inode_rename(9)
• smack_inode_permission(9), smack_inode_setattr(9), smack_inode_getattr(9), smack_inode_xattr_skipcap(9)
• smack_inode_setxattr(9), smack_inode_post_setxattr(9), smack_inode_getxattr(9), smack_inode_removexattr(9)
• smack_inode_set_acl(9), smack_inode_get_acl(9), smack_inode_remove_acl(9)
• smack_inode_getsecurity(9), smack_inode_listsecurity(9), smack_inode_getlsmprop(9)
• smack_file_alloc_security(9), smack_file_ioctl(9), smack_file_lock(9), smack_file_fcntl(9)
• smack_mmap_file(9), smack_file_set_fowner(9), smack_file_send_sigiotask(9), smack_file_receive(9), smack_file_open(9)
• smack_cred_alloc_blank(9), smack_cred_free(9), smack_cred_prepare(9), smack_cred_transfer(9)
• smack_cred_getsecid(9), smack_cred_getlsmprop(9), smack_kernel_act_as(9), smack_kernel_create_files_as(9)
• smk_curacc_on_task(9), smack_task_setpgid(9), smack_task_getpgid(9), smack_task_getsid(9)
• smack_current_getlsmprop_subj(9), smack_task_getlsmprop_obj(9)
• smack_task_setnice(9), smack_task_setioprio(9), smack_task_getioprio(9)
• smack_task_setscheduler(9), smack_task_getscheduler(9), smack_task_movememory(9), smack_task_kill(9), smack_task_to_inode(9)
• smack_sk_alloc_security(9), smack_sk_free_security(9), smack_sk_clone_security(9)
• smack_ipv4host_label(9), smack_ipv6host_label(9), smack_netlbl_add(9), smack_netlbl_delete(9)
• smk_ipv4_check(9), smk_ipv6_check(9), smk_ipv6_port_label(9), smk_ipv6_port_check(9)
• smack_inode_setsecurity(9), smack_socket_post_create(9), smack_socket_socketpair(9), smack_socket_bind(9), smack_socket_connect(9), smack_flags_to_may(9)
• smack_msg_msg_alloc_security(9), smack_of_ipc(9), smack_ipc_alloc_security(9)
• smk_curacc_shm(9), smack_shm_associate(9), smack_shm_shmctl(9), smack_shm_shmat(9)
• smk_curacc_sem(9), smack_sem_associate(9), smack_sem_semctl(9), smack_sem_semop(9)
• smk_tskacc_msq(9), smk_curacc_msq(9), smack_msg_queue_associate(9), smack_msg_queue_msgctl(9), smack_msg_queue_msgsnd(9), smack_msg_queue_msgrcv(9)
• smack_ipc_permission(9), smack_ipc_getlsmprop(9)
• smack_d_instantiate(9), smack_getselfattr(9), smack_getprocattr(9), do_setattr(9), smack_setselfattr(9), smack_setprocattr(9)
• smack_unix_stream_connect(9), smack_unix_may_send(9), smack_socket_sendmsg(9)
• smack_from_secattr(9), smack_from_skb(9), smack_from_netlbl(9), smack_socket_sock_rcv_skb(9)
• smack_socket_getpeersec_stream(9), smack_socket_getpeersec_dgram(9), smack_inet_conn_request(9), smack_inet_csk_clone(9)
• smack_key_alloc(9), smack_key_permission(9), smack_watch_key(9), smack_post_notification(9)
• smack_audit_rule_init(9), smack_audit_rule_known(9), smack_audit_rule_match(9)
• smack_to_secctx(9), smack_secid_to_secctx(9), smack_lsmprop_to_secctx(9), smack_secctx_to_secid(9)
• smack_uring_override_creds(9), smack_uring_sqpoll(9), smack_uring_cmd(9), smack_init(9)

like I said. the whole friend group. every single one of them showed up to the party and honestly? respect. 💀🌸

anyway bestie that's the whole page, no cap — this drop came from ./security/smack and it's stamped October 2026, so go forth and check those labels, mwah 💜🎀✨