[PATCH v2 0/4] kasan: Fix ordering between MTE tag colouring and page->flags

[Will Deacon]

On Fri, 10 Jun 2022 16:21:37 +0100, Catalin Marinas wrote:
> That's a second attempt on fixing the race race between setting the
> allocation (in-memory) tags in a page and the corresponding logical tag
> in page->flags. Initial version here:
> 
> https://lore.kernel.org/r/20220517180945.756303-1-catalin.marinas@arm.com
> 
> This new series does not introduce any new GFP flags but instead always
> skips unpoisoning of the user pages (we already skip the poisoning on
> free). Any unpoisoned page will have the page->flags tag reset.
> 
> [...]

Applied to arm64 (for-next/mte), thanks!

[1/4] mm: kasan: Ensure the tags are visible before the tag in page->flags
      https://git.kernel.org/arm64/c/ed0a6d1d973e
[2/4] mm: kasan: Skip unpoisoning of user pages
      https://git.kernel.org/arm64/c/70c248aca9e7
[3/4] mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON
      https://git.kernel.org/arm64/c/6d05141a3930
[4/4] arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"
      https://git.kernel.org/arm64/c/20794545c146

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
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