On Fri, Mar 24, 2023 at 05:48:45PM +0800, Herbert Xu wrote: > > Please don't allocate the whole thing because it could be unlimited > in size (and triggered from user-space by untrusted users too). > > If you have to copy, then just allocate a single page and copy > that, hash, and then repeat until it's all done. Nevermind, your hardware doesn't support hashing piece-meal. So just use the fallback if it's not aligned. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt