[PATCH] arm64: kasan: fix page_alloc tagging with DEBUG_VIRTUAL

Will Deacon will at kernel.org
Tue Mar 9 15:38:29 GMT 2021


On Mon, 8 Mar 2021 17:10:23 +0100, Andrey Konovalov wrote:
> When CONFIG_DEBUG_VIRTUAL is enabled, the default page_to_virt() macro
> implementation from include/linux/mm.h is used. That definition doesn't
> account for KASAN tags, which leads to no tags on page_alloc allocations.
> 
> Provide an arm64-specific definition for page_to_virt() when
> CONFIG_DEBUG_VIRTUAL is enabled that takes care of KASAN tags.

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

[1/1] arm64: kasan: fix page_alloc tagging with DEBUG_VIRTUAL
      https://git.kernel.org/arm64/c/86c83365ab76

Cheers,
-- 
Will

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