[PATCH 1/3] Cygwin: testsuite: add a mingw test program to spawn

Corinna Vinschen corinna-cygwin@cygwin.com
Mon Jun 30 09:51:32 GMT 2025


On Jun 27 10:34, Jeremy Drake via Cygwin-patches wrote:
> On Fri, 27 Jun 2025, Corinna Vinschen wrote:
> 
> > On Jun 26 13:31, Jeremy Drake via Cygwin-patches wrote:
> > > BTW, I noticed while editing mingw/Makefile.am, shouldn't cygload have
> > > -Wl,--disable-high-entropy-va in LDFLAGS?
> >
> > Why?
> 
> With high-entropy-va, it has been observed that the PEB, TEB and stack can
> happen to overlap with the cygheap
> https://cygwin.com/pipermail/cygwin/2024-May/256000.html

Yeah, but HEVA simply breaks fork.  We don't have to test this, because
it won't work and we don't do it.  You can set the PE flag, but than
you're on your own.


Corinna


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