smk_user_access(9)
π smk_user_access(9) β like, the Kernel API Manual page, but make it make sense π«Ά
okay so bestie, welcome to smk_user_access from the Kernel API Manual β this is the little function that handles the access check transaction. yes, that one. she's doing the most and we're gonna talk about it π
β¨ SYNOPSIS β¨
ssize_t smk_user_access (struct file *file , const char __user *buf ,
size_t count , loff_t *ppos , int format );
look at her. five whole parameters. main character energy fr fr π₯
π ARGUMENTS π
fileβ the file pointer, bestie. that's it. that's the whole vibe.bufβ the data coming at us from user space π (user space!! be nice to it)countβ how many bytes got sent. the byte count. the receipts.pposβ where to start β and listen, it must be 0. not 1, not "close enough", zero. no cap π¨formatβ which flavour of rules file we're dealing with:/smack/load, or/smack/load2, or/smack/change-ruleformat. pick your fighter π
πΈ SEE ALSO πΈ
okay this list is LONG and honestly iconic, so buckle up buttercup π¦ β also peep the kernel file ./security/smack/smackfs.c, that's where the β¨loreβ¨ lives
smk_netlabel_audit_set(9)smk_set_access(9)smk_perm_from_str(9)smk_fill_rule(9)smk_parse_rule(9)smk_parse_long_rule(9)smk_write_rules_list(9)smk_open_load(9)smk_write_load(9)smk_cipso_doi(9)smk_unlbl_ambient(9)smk_open_cipso(9)smk_set_cipso(9)smk_write_cipso(9)smk_open_cipso2(9)smk_write_cipso2(9)smk_open_net4addr(9)smk_net4addr_insert(9)smk_write_net4addr(9)smk_open_net6addr(9)smk_net6addr_insert(9)smk_write_net6addr(9)smk_read_doi(9)smk_write_doi(9)smk_read_cipso_auto_level(9)smk_write_cipso_auto_level(9)smk_read_ambient(9)smk_write_ambient(9)smk_list_swap_rcu(9)smk_parse_label_list(9)smk_destroy_label_list(9)smk_write_onlycap(9)smk_read_unconfined(9)smk_write_unconfined(9)smk_read_logging(9)smk_write_logging(9)smk_open_load_self(9)smk_write_load_self(9)smk_write_access(9)smk_open_load2(9)smk_write_load2(9)smk_open_load_self2(9)smk_write_load_self2(9)smk_write_access2(9)smk_write_revoke_subj(9)smk_init_sysfs(9)smk_write_change_rule(9)smk_read_syslog(9)smk_write_syslog(9)smk_open_relabel_self(9)smk_write_relabel_self(9)smk_read_ptrace(9)smk_write_ptrace(9)smk_fill_super(9)smk_get_tree(9)smk_init_fs_context(9)init_smk_fs(9)
like, every single one. we don't gatekeep here π
ngl, that list is giving "friend group where everyone has a name starting with the same letter". periodt.
and that's the whole page, bestie!! no notes, she ate and left zero crumbs π
βΏ sign-off time βΏ β this little masterpiece comes to you from ./security/smack, dated October 2026, and it's the smk_user_access(9) page, so you always know exactly where you are π« mwah, go read some source code π§ββοΈπ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms