Messages in this thread | | | From | Miles Chen <> | Subject | Re: [PATCH] lib/crypto: blake2s: fix a CFI failure | Date | Wed, 19 Jan 2022 17:43:42 +0800 |
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>Ehm, maybe not. As Jason points out, the typedef does not have quite >the right type, so that is most likely the culprit, and this >workaround would trigger CFI in exactly the same way. > >Interestingly, the compiler does not seem to mind, right? Or are you >seeing any build time warnings on the reference to blake2s_compress in >the call to __blake2s_update() ?
No, no warnings as the -Wcast-function-type is globally enabled. I cleaned some cast-function-type errors but no warnings in __blake2s_update.
Miles
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