[Bug 285021] the procctl PROC_TRACE_CTL doesn't work as expected

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 285021] the procctl PROC_TRACE_CTL doesn't work as expected"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 25 Feb 2025 03:45:24 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285021

Konstantin Belousov <kib@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kib@FreeBSD.org

--- Comment #3 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to WZIS Software from comment #2)

If the ptrace(2) is done by root on host (really the owner of PRIV_DEBUG_DENIED
privilege), then notrace procctl is ignored since this is pointless.  It is
relatively trivial for root to break this protection by other ways, so it
is not considered useful to put a trivial barrier there.

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