Re: PaX mprotect now on for amd64

[Thomas Klausner <tk%giga.or.at@localhost>]

On Sun, May 22, 2016 at 03:13:55PM +0000, Christos Zoulas wrote:
> In article <20160522151112.DB22F17FDAB%rebar.astron.com@localhost>,
> Christos Zoulas <christos%zoulas.com@localhost> wrote:
> >On May 22,  4:49pm, tk%giga.or.at@localhost (Thomas Klausner) wrote:
> >-- Subject: Re: PaX mprotect now on for amd64
> >
> >| On Sat, May 14, 2016 at 01:09:53PM -0400, Christos Zoulas wrote:
> >| > This breaks programs that need to map segments both writable and executable,
> >| > for example java. To fix them you can:
> >| > 
> >| > paxctl +m /path/to/bin/java
> >| 
> >| libreoffice is not building on -current for me.
> >| 
> >| The first error is that java is detected as 32-bit version instead of
> >| 64-bit. That's a bogus result, and the paxctl above fixes it.
> >| 
> >| However, next libreoffice wants to use ant, and that doesn't start either:
> >| 
> >| # ant
> >| Error occurred during initialization of VM
> >| Could not reserve enough space for code cache
> >| 
> >| What's the fix for that?
> >|  Thomas
> >
> >Turn off ASLR for it?
> 
> It == java? Try that.

'ant' is just a shell script.

I tried paxctl +a on the java binary, but see the same issue.

Just install apache-ant (using oracle jre 8) and run 'ant'.
 Thomas