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Re: PATCH: proc_do_stop and rpctrace
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From: |
Roland McGrath |
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Subject: |
Re: PATCH: proc_do_stop and rpctrace |
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Date: |
Sat, 16 Aug 2003 17:06:22 -0400 (EDT) |
> proc also uses the task port given by rpctrace. So one can write a
> program that passes fake task port to proc, and when proc tries to
> handle the fake process in some way, the whole proc server will hang
> because it is single-threaded.
a) proc is not single-threaded
b) proc does not send messages to task ports supplied by users (a bogus one
gets you ESRCH from proc_child/proc_reassign)