Messages in this thread | | | Date | Tue, 5 Feb 2008 08:58:41 -0800 | From | Arjan van de Ven <> | Subject | Re: brk randomization breaks columns |
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On Tue, 5 Feb 2008 16:46:48 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> Hi! > > > > In my usual dither, I'm rather hoping Arjan will have a clear > > > answer. > > > > > > setarch works. If the apps come in source form they need fixing > > anyway (since I'd not be surprised of current gcc reorders > > variables), if not.. we only have 2 cases, the other case was the > > build process of emacs (which got fixed 5 years ago). > > uemacs ... broken with randomization > colums, sss ... local programs, broken with randomization > procinfo ... broken, randomization makes it die sooner. > mikmod ... broken with randomization > bsdsed ... broken with randomization > ... > Should I test few more?
ok throw that idea out of the window then
the combo of a config option + sysctl sounds the right way forward then ;(
Unless there's a way we can make sys_brk() detect this kind of behavior somehow... we could track per process if brk(0) was called, and if not, do something fancy to work around stuff?
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