Re: PaX mprotect now on for amd64

[christos%zoulas.com@localhost (Christos Zoulas)]

On May 22,  5:43pm, tk%giga.or.at@localhost (Thomas Klausner) wrote:
-- Subject: Re: PaX mprotect now on for amd64

| 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

Works here.

12:20pm] 271#ant
Buildfile: build.xml does not exist!
Build failed


christos