On Wed, Feb 12, 2020 at 10:06:28AM +0800, Herbert Xu wrote: > On Tue, Feb 11, 2020 at 08:21:18PM +0100, Corentin Labbe wrote: > > > > Do you mean that I should abandon ahash as a fallback ? > > Perhaps switching to shash is not as straightforward because of > SG handling. But if you're getting problems with statesize > perhaps at least force a sync ahash algorithm might be a good > idea. > I just found the problem, it happen with ARM CE which has a bigger state_size (sha256_ce_state) of 4bytes. Since my driver didnt use statesize at all, I detect this on cra_init() like this: if (algt->alg.hash.halg.statesize < crypto_ahash_statesize(op->fallback_tfm)) algt->alg.hash.halg.statesize = crypto_ahash_statesize(op->fallback_tfm); Regards
