Commit 31527da5 authored by Yves-Alexis Perez's avatar Yves-Alexis Perez Committed by Jonathan Corbet
Browse files

yama: clarify ptrace_scope=2 in Yama documentation 



Current phrasing is ambiguous since it's unclear if attaching to a
children through PTRACE_TRACEME requires CAP_SYS_PTRACE. Rephrase the
sentence to make that clear.

Signed-off-by: default avatarYves-Alexis Perez <corsac@corsac.net>
Acked-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 98cee674

Documentation/admin-guide/LSM/Yama.rst

+2 −2
Original line number Diff line number Diff line
@@ -64,8 +64,8 @@ The sysctl settings (writable only with ``CAP_SYS_PTRACE``) are: 
    Using ``PTRACE_TRACEME`` is unchanged.



2 - admin-only attach:

    only processes with ``CAP_SYS_PTRACE`` may use ptrace

    with ``PTRACE_ATTACH``, or through children calling ``PTRACE_TRACEME``.

    only processes with ``CAP_SYS_PTRACE`` may use ptrace, either with

    ``PTRACE_ATTACH`` or through children calling ``PTRACE_TRACEME``.



3 - no attach:

    no processes may use ptrace with ``PTRACE_ATTACH`` nor via

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