On Sun, Dec 07, 2014 at 11:22:30PM +0100, Stephan Mueller wrote: > > +static inline bool aead_sufficient_data(struct aead_ctx *ctx) > +{ > + unsigned as = crypto_aead_authsize(crypto_aead_reqtfm(&ctx->aead_req)); > + > + return (ctx->used >= (ctx->aead_assoclen + ctx->enc ? : as ));
Is this supposed to be return (ctx->used >= (ctx->aead_assoclen + (ctx->enc ?: as))); > +static int aead_recvmsg(struct kiocb *unused, struct socket *sock, > + struct msghdr *msg, size_t ignored, int flags) > +{ ... > + err = -ENOMEM; > + if (!aead_sufficient_data(ctx)) > + goto unlock; You should just block if there is insufficient input. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html