Messages in this thread | | | Date | Mon, 9 Jan 2023 17:13:16 +0100 | Subject | Re: [PATCH v4 3/6] cacheinfo: Check 'cache-unified' property to count cache leaves | From | Krzysztof Kozlowski <> |
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On 04/01/2023 19:30, Pierre Gondois wrote: > The DeviceTree Specification v0.3 specifies that the cache node > '[d-|i-|]cache-size' property is required. The 'cache-unified' > property is specifies whether the cache level is separate > or unified. > > If the cache-size property is missing, no cache leaves is accounted. > This can lead to a 'BUG: KASAN: slab-out-of-bounds' [1] bug. > > Check 'cache-unified' property and always account for at least > one cache leave when parsing the device tree. > > [1] https://lore.kernel.org/all/0f19cb3f-d6cf-4032-66d2-dedc9d09a0e3@linaro.org/ > > Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Thanks, solves the issue:
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards, Krzysztof
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