Messages in this thread | | | From | Chris Wilson <> | Subject | Re: [Linaro-mm-sig] [PATCH resend] drivers: dma-buf: Change %p to %pK in debug messages | Date | Wed, 06 Jun 2018 00:51:12 +0100 |
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Quoting Daniel Rosenberg (2018-06-06 00:40:41) > The format specifier %p can leak kernel addresses > while not valuing the kptr_restrict system settings. > Use %pK instead of %p, which also evaluates whether > kptr_restrict is set.
This is backwards though. You never care about the actual value here and the hashed pointer (%p) is always enough to provide an identifying token. -Chris
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