On 15/09/2025 15.11, Ian Pilcher wrote:
On 9/13/25 11:02 AM, Mark Wielaard wrote:
I believe a lot of people run tools like strace, pstack or eu-stack to
quickly see where and how their own (already running) processes are
stuck. At least I do.
Amen.
I will add that getting along-running process to finally hit that race
condition and *then* discovering that you have to reboot and reproduce
it in order to debug the problem would be a terrible UX.
Even if the proposal would be implemented with ptrace_scope being 2, you would
**not** need to reboot to change the ptrace_scope condition -> `sysctl
kernel.yama.ptrace_scope=0` would temporarily disable it (immediately!) without
reboot.
This and other possibilities to disable ptrace_scope (during runtime or permanently) are
elaborated in the section "How To Test" of the proposal, and would become part
of the proposed Docs (see the Docs topic linked in the proposal about that).
--
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