panic_action / ptrace: Operation not permitted

Stefan Winter stefan.winter at restena.lu
Tue Apr 1 16:25:08 CEST 2014


Hi,

> I had the yama problem on ubuntu, and poking the relevant file in the
> yama subdir solved it. But if you're not running yama... hmm.
> 
> OK, someone reporting *exactly* the same problem back in 2008 on the
> GBD list.
> 
> Here is the fix they helpfully posted:
> https://www.sourceware.org/ml/gdb/2008-01/msg00246.html
> 
> Here's the original message:
> http://lists.gnu.org/archive/html/bug-gdb/2008-01/msg00002.html
> 
> Googlefoo!

suid? Well, worth a try, so I did - but I still get the same problem.

It's also a bit awkward: if this were a default kernel security measure,
would it not *consistently* fail to work on all recent Linuxes? Am I the
only one using the default "production system" panic_action?

Greetings,

Stefan


-- 
Stefan WINTER
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