hook_ptrace_traceme(9)

💅 hook_ptrace_traceme(9) 💅

okay bestie, welcome to the Kernel API Manual — this is the page for hook_ptrace_traceme(9), and it's literally a permission vibe check for tracing. no cap. 🫶

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✨ NAME ✨

hook_ptrace_traceme — Determines whether another process may trace the current one

🌸 SYNOPSIS 🌸

int hook_ptrace_traceme (struct task_struct *const parent );

🎀 ARGUMENTS 🎀

• parent — Task proposed to be the tracer.

That's the one argument, bestie. parent is the task that's proposed to be the tracer. 💖

🦋 DESCRIPTION 🦋

So here's the situation: if the parent has Landlock rules, then the current task must have the same or more rules. Else denied. That's the whole rule, fr fr. 💅

🔥 RETURN 🔥

• 0 — if permission is granted
• -errno — if denied

Slay if you get 0; if it's denied, you get -errno. periodt. 💀

👑 SEE ALSO 👑

Kernel file ./security/landlock/task.c domain_scope_le(9), hook_ptrace_access_check(9), domain_is_scoped(9)

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mwah 💋 — this cutie came from the ./security/landlock source/version, October 2026 edition. bye bestie! 🎀✨