yama_ptrace_access_check(9)

✨ yama_ptrace_access_check(9) ✨

okay so bestie, welcome to the Kernel API Manual — yes, the actual kernel, like the big one 💅 this page is all about yama_ptrace_access_check, and ngl it's a whole mood.

---

🌸 NAME 🌸

yama_ptrace_access_check — literally here to validate PTRACE_ATTACH calls, no cap 🫶

---

🦋 SYNOPSIS 🦋

int yama_ptrace_access_check (struct task_struct *child , unsigned int
mode );

---

🎀 ARGUMENTS 🎀

• child — the task that the current task is attempting to ptrace 👀 like, this is the one being peeked at
• mode — the ptrace attach mode, the whole vibe of the attach fr

---

💖 DESCRIPTION 💖

So what does it do?? It returns 0 if following the ptrace is allowed ✨ and a -ve value on error 💀 that's it, that's the whole function, iconic behaviour honestly.

---

🔥 SEE ALSO 🔥

Kernel file ./security/yama/yama_lsm.c (go read it, iykyk) plus the whole squad:

• yama_relation_cleanup(9)
• yama_ptracer_add(9)
• yama_ptracer_del(9)
• yama_task_free(9)
• yama_task_prctl(9)
• task_is_descendant(9)
• ptracer_exception_found(9)
• yama_ptrace_traceme(9)

---

bestie reminder: 0 means yes you may, negative means nope 💅 don't mix those up

---

that's the page!! ty for reading, mwah 🍓 this came straight out of ./security/yama and it's dated October 2026 — slay, see u next manual 💜🧚‍♀️