smack_bprm_creds_for_exec(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… smack_bprm_creds_for_exec(9) πŸ’…

okay bestie, welcome to the Kernel API Manual page for smack_bprm_creds_for_exec(9) β€” yes, the manual name is folded right in here because we're doing this cute. This is the exec-time credential hook, and it's literally updating bprm->cred if needed for exec. slay. πŸ’–


🌸 NAME 🌸

smack_bprm_creds_for_exec β€” Update bprm->cred if needed for exec.


✨ SYNOPSIS ✨

int smack_bprm_creds_for_exec (struct linux_binprm *bprm );

πŸŽ€ ARGUMENTS πŸŽ€

  • bprm β€” the exec information. That's the whole argument, bestie; she's carrying the exec info and that's it.

πŸ’– DESCRIPTION πŸ’–

Okay so the return-value vibe check is literally this:

  • 0 β€” it gets a blob 🫢
  • -EPERM β€” exec is forbidden πŸ™ˆ
  • -ENOMEM β€” otherwise 😭

No cap, that's the whole return story: it returns 0 if it gets a blob, -EPERM if exec is forbidden, and -ENOMEM otherwise. πŸ’…


🌈 SEE ALSO 🌈

The kernel file in question is ./security/smack/smack_lsm.c, and the cross-ref group chat is huge β€” every single one below is invited, no skips:


okay that's the whole page, bestie πŸ’– β€” source is ./security/smack, dated October 2026, and the star of the show is smack_bprm_creds_for_exec(9) one last time because main character energy. bye bestie! 🫢✨

πŸ“¦ where this page comes from