cap_bprm_creds_from_file(9)

💅 cap_bprm_creds_from_file(9) — Kernel API Manual, bestie ✨

🌸 NAME 🌸

cap_bprm_creds_from_file — set up the proposed credentials for execve().

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🎀 SYNOPSIS 🎀

int cap_bprm_creds_from_file (struct linux_binprm *bprm , const struct file *file );

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🦋 ARGUMENTS 🦋

• bprm — the execution parameters, including the proposed creds. This is the whole exec vibe package 💖
• file — the file to pull the credentials from. Yep, that file right there 🎀

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💅 DESCRIPTION 💅

Okay so this function sets up the proposed credentials for a new execution context being constructed by execve. The proposed creds in bprm->cred get altered — but lowkey important: it won't take effect immediately, bestie. It's proposed creds, not live creds. Periodt. ✨

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🫶 RETURN 🫶

0 if successful, -ve on error. That's it, that's the whole return situation 💖

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👑 SEE ALSO 👑

Go read these next, iykyk:

• Kernel file ./security/commoncap.c
• cap_capable_helper(9)
• cap_capable(9)
• cap_settime(9)
• cap_ptrace_access_check(9)
• cap_ptrace_traceme(9)
• cap_capget(9)
• cap_capset(9)
• cap_inode_need_killpriv(9)
• cap_inode_killpriv(9)
• kuid_root_in_ns(9)
• rootid_from_xattr(9)
• cap_convert_nscap(9)
• get_vfs_caps_from_disk(9)
• cap_inode_setxattr(9)
• cap_inode_removexattr(9)
• cap_task_fix_setuid(9)
• cap_task_setscheduler(9)
• cap_task_setioprio(9)
• cap_task_setnice(9)
• cap_task_prctl(9)
• cap_vm_enough_memory(9)
• cap_mmap_addr(9)

✨ Cute sign-off: source/version ./security, dated October 2026, for cap_bprm_creds_from_file(9) — bye bestie, slay responsibly 💖🎀