ptrace

Definition, parts of speech, synonyms, and sentence examples for ptrace.

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Editorial note

It's a tragedy that ptrace is being portrayed as anything other than an entirely regrettable artifact of history.

Examples12

Definitions1

Parts of speech1

Quick take

ptrace is a system call found in Unix and several Unix-like operating systems.

Meaning at a glance

The clearest senses and uses of ptrace gathered in one view.

ptrace is a system call found in Unix and several Unix-like operating systems.

Definitions

Core meanings and parts of speech for ptrace.

N

ptrace is a system call found in Unix and several Unix-like operating systems.

Example sentences

It's a tragedy that ptrace is being portrayed as anything other than an entirely regrettable artifact of history.

If you delete the key from memory, it is obvious that someone cannot use ptrace to recover it afterwards.

That is you can't strace a program that uses strace (or more precisely, the ptrace syscall).

This is reminding me that I really need to write that blog post that excoriates ptrace -- and explain how frustrations with ptrace informed the development of /proc[1][2].

A core dump, ptrace, or anything like that and you've just given up all access.

Even a no-op ptrace-based monitor that does nothing will make individual system calls ~10x slower.

While making, memoize calls and data-dependencies, and use ptrace to record dependencies on files.

This is a nice PoC tool, but as a checkpointing solution the idea of using ptrace(2) just reeks of being a huge hack.

Are they going to implement ptrace, although it doesn't conform to any standard?

I've updated the article with a section on `How is Ptrace implemented?`, I hope it will answer your question!

If someone has ptrace, they can probably read a file as well.

As for blocking GDB and its ilk, the knowledge of how to disable ptrace blocking in executables is already fairly broadly disseminated on the internet.