Re: malicious filesystems (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM

From: Miklos Szeredi
Date: Sun Jul 15 2007 - 09:07:54 EST


> > SIGKILL won't work on a stopped task. Neither on a traced task.
>
> Why do you think so? It works in both cases (ptracer can use
> PT_TRACE_EXIT, but the task is killed anyway).

Just from experience with tasks stuck in "T" state. After for example
an UML dies, some of the processes only react to SIGCONT, but not to
SIGKILL.

I have no idea why this happens.

Miklos
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