[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <eeae5fe5-d238-34b2-9280-5df9400db2b0@evolvis.org>
Date: Fri, 6 Dec 2024 21:42:00 +0100 (CET)
From: Thorsten Glaser <tg@...lvis.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] clone: clear the frame pointer in the child
process on relevant ports
On Fri, 6 Dec 2024, Alex Rønne Petersen wrote:
>Clearing the frame pointer helps protect FP-based unwinders which have no way of
>knowing that the FP register should be considered undefined in the child process
>portion of clone().
Huh, why?
I thought they would both still be useful and needed (so one can trace
the new process / thread back to from where it was cloned and beyond).
bye,
//mirabilos
--
15:41⎜<Lo-lan-do:#fusionforge> Somebody write a testsuite for helloworld :-)
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
