On Sun 22 May 2016 at 09:29:17 -0400, Christos Zoulas wrote: > On May 22, 10:36am, bouyer%antioche.eu.org@localhost (Manuel Bouyer) wrote: > -- Subject: Re: PaX MPROTECT gdb and software breakpoints > > | I occasionally need to gdb-attach to a running process (usually a daemon) > | to try to understand what's going on. I think it's important to keep > | the ability to attach to a running process, which has not been > | started in a specific way before. > > This only affects breakpoints; if we want to fix breakpoints, we can > at the cost of weakening MPROTECT. There was earlier mention of a sysctl knob (default safe) to do this. I read that as being system-global, but it could also be per-process. Possibly gdb could know about it or at least tell the user about it. An entry in /proc could be relevant as well. > christos -Olaf. -- ___ Olaf 'Rhialto' Seibert -- Wayland: Those who don't understand X \X/ rhialto/at/xs4all.nl -- are condemned to reinvent it. Poorly.
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