evm_read_key(9)

🌸 NAME 🌸

okay so bestie, this is evm_read_key(9) from the Kernel API Manual 💖 and evm_read_key is literally read() for <securityfs>/evm. no cap, that’s the whole vibe ✨

✨ SYNOPSIS ✨

ssize_t evm_read_key (struct file *filp , char __user *buf , size_t
       count , loff_t *ppos );

🎀 ARGUMENTS 🎀

• filp — file pointer, not actually used. she’s just literally there in the signature, lowkey chilling 🙈
• buf — where to put the result 💌
• count — maximum to send along
• ppos — where to start

🦋 DESCRIPTION 🦋

Returns number of bytes read or error code, as appropriate — that’s the tea ☕✨

👑 SEE ALSO 👑

• Kernel file ./security/integrity/evm/evm_secfs.c
• evm_write_key(9)
• evm_read_xattrs(9)
• evm_write_xattrs(9)

mwah 💋 this page lives under ./security/integrity/evm, it’s dated October 2026, and it’s the evm_read_key(9) page from the Kernel API Manual — bye bestie, slay 🫶✨