Re: [PATCH 1/4] kasan: support alloca() poisoning

[Greg Hackmann]

On 07/10/2017 03:30 AM, Andrey Ryabinin wrote:
> gcc now supports this too. So I think this patch should enable it.
> It's off by default so you'll have to add --param asan-instrument-allocas=1 into cflags
> to make it work

Thanks, will fix.  For now, it looks like I'll need to build gcc from 
git to test this?

> >   lib/test_kasan.c  | 22 ++++++++++++++++++++++
>
> Tests would be better as a separate patch.

I was following the precedent in 828347f8f9a5 ("kasan: support 
use-after-scope detection") which added both at the same time.  But I 
can split the test off into a separate patch if you feel really strongly 
about it.