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SubjectRe: [PATCH] Configurable Magic Sysrq
> > It's not about the kernel size but about allowing user to invoke just
> >some functions and not the other (see my other mail).
> That's like giving a user m$ windows without the ctrl+alt+del functionality,
> if you omit considering that either os has a different level of stability.
Yes. Some of the sysrq are considered insecure - for example OOM
kill, which was added lately, can be used to kill some process and I
could imagine security implications from cleverly killing syslogd (or
some other important process) by it. OTOH some other functionalities
are useful and safe...

> But I like the idea. Maybe a bitmask which can be set via /proc/sys/.../xxx?
And that is exactly what the patch does ;).


Jan Kara <>
SuSE CR Labs
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