[PATCH v2 0/2] arm64: kasan: log potential KASAN shadow aliases
Catalin Marinas
catalin.marinas at arm.com
Mon Dec 13 11:18:02 PST 2021
On Tue, 7 Dec 2021 18:32:24 +0000, Mark Rutland wrote:
> When using KASAN_GENERIC or KASAN_SW_TAGS, many representable pointer
> values (e.g. NULL) don't have a legitimate shadow address. If KASAN
> instrumentation attempts to access the shadow for such pointers, it will
> fault on an unusual-looking address, e.g.
>
> | Unable to handle kernel paging request at virtual address dfff800000000001
>
> [...]
Applied to arm64 (for-next/kasan), thanks!
[1/2] arm64: mm: use die_kernel_fault() in do_mem_abort()
https://git.kernel.org/arm64/c/6f6cfa586799
[2/2] arm64: mm: log potential KASAN shadow alias
https://git.kernel.org/arm64/c/07b742a4d912
--
Catalin
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