Re: stable: KASan for ARM

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On Mon, Mar 08, 2021 at 10:44:03AM +0100, Linus Walleij wrote:
> On Sun, Mar 7, 2021 at 4:00 PM Michał Mirosław <mirq-linux@xxxxxxxxxxxx> wrote:
> 
> > Would you consider KASan for ARM patches for LTS (5.10) kernel? Those
> > are 7a1be318f579..421015713b30 if I understand correctly. They are
> > not normal stable material, but I think they will help tremendously in
> > discovering kernel bugs on 32-bit ARMs.
> 
> It's a development feature not supposed to be enabled in production/product
> kernels and following the stable kernel rules I don't see what this
> code would achieve in stable.
> 
> IMO it's a better idea to provide a branch with KASan for each stable branch
> that developers can pull in if they want to enable it and use it for testing.
> 
> Are you interested in setting up such branches for others to use?
> I think it would be helpful. Also the work shouldn't be very hard after bring-up
> and it ends when the last stable pre-v5.11 kernel is EOL:ed.

This is just a few patches, so I've posted the branch at my git repo.
Please clone after fetching stable/linux-5.10.x from kernel.org:

	git remote add rere git://rere.qmqm.pl/linux
	git fetch rere refs/heads/kasan-for-arm-510

Best Regards,
Michał Mirosław



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