On Wed, Aug 26, 2020 at 02:58:02PM +0200, Andrew Zaborowski wrote: > > Running iwd's and ell's unit tests I can see that at least the > following algorithms give EINVAL errors: > ecb(aes) > cbc(aes) > ctr(aes) > > The first one fails in recv() and only for some input lengths. The > latter two fail in send(). The relevant ell code starts at > https://git.kernel.org/pub/scm/libs/ell/ell.git/tree/ell/cipher.c#n271 > > The tests didn't get to the point where aead is used. Yes ell needs to set MSG_MORE after sending the control message. Any sendmsg(2) without a MSG_MORE will be interpreted as the end of a request. I'll work around this in the kernel though for the case where there is no actual data, with a WARN_ON_ONCE. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
