Re: [PATCH v2 0/3] sparc64: Randomize mmap base and PIE executables

[Stian Halseth]

On Sun, 2026-10-18 at 15:33 +0200, Stian Halseth wrote:
> Hi Adrian,
> 
> On Sun, 2026-10-18 at 15:09 +0200, John Paul Adrian Glaubitz wrote:
> > 
> > What about sparc32? Does it use address base randomization at all?
> > 
> 
> sparc32 is at the same state as sparc64 was before this series. Only
> the stack moves.
> 
> I've only tested 32-bit programs on sparc64. The same approach will
> probably work, but needs testing on real sparc32. Could be possibly
> be
> added as a follow up, if someone with sparc32 hardware can test it.
> 
> /Stian
> 

Additionally, outside of qemu testing, I'm a bit worried about sparc32
machines with virtually indexed caches. I've heard those can be fun,
and I wouldn't feel confident about implementing it without testing on
the "real thing".

/Stian

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