From nobody Wed Oct 06 21:10:33 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 12C4412D3BC4; Wed, 6 Oct 2021 21:10:36 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HPnDC10sdz3Hds; Wed, 6 Oct 2021 21:10:34 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 5424C271ED; Wed, 6 Oct 2021 21:10:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 196LAX7d059065; Wed, 6 Oct 2021 21:10:33 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 196LAXcO059064; Wed, 6 Oct 2021 21:10:33 GMT (envelope-from git) Date: Wed, 6 Oct 2021 21:10:33 GMT Message-Id: <202110062110.196LAXcO059064@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: John Baldwin Subject: git: d718c2d3c805 - main - aesni: Handle requests with an empty payload. List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: d718c2d3c805001db0b0ae0cc0c8a811b8a90a95 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=d718c2d3c805001db0b0ae0cc0c8a811b8a90a95 commit d718c2d3c805001db0b0ae0cc0c8a811b8a90a95 Author: John Baldwin AuthorDate: 2021-10-06 21:08:47 +0000 Commit: John Baldwin CommitDate: 2021-10-06 21:08:47 +0000 aesni: Handle requests with an empty payload. Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D32113 --- sys/crypto/aesni/aesni.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/sys/crypto/aesni/aesni.c b/sys/crypto/aesni/aesni.c index 67dcef123429..7d4dbd2c1604 100644 --- a/sys/crypto/aesni/aesni.c +++ b/sys/crypto/aesni/aesni.c @@ -700,28 +700,36 @@ aesni_cipher_crypt(struct aesni_session *ses, struct cryptop *crp, int error; bool encflag, allocated, authallocated, outallocated, outcopy; - buf = aesni_cipher_alloc(crp, crp->crp_payload_start, - crp->crp_payload_length, &allocated); - if (buf == NULL) - return (ENOMEM); + if (crp->crp_payload_length == 0) { + buf = NULL; + allocated = false; + } else { + buf = aesni_cipher_alloc(crp, crp->crp_payload_start, + crp->crp_payload_length, &allocated); + if (buf == NULL) + return (ENOMEM); + } outallocated = false; authallocated = false; authbuf = NULL; if (csp->csp_cipher_alg == CRYPTO_AES_NIST_GCM_16 || csp->csp_cipher_alg == CRYPTO_AES_CCM_16) { - if (crp->crp_aad != NULL) + if (crp->crp_aad_length == 0) { + authbuf = NULL; + } else if (crp->crp_aad != NULL) { authbuf = crp->crp_aad; - else + } else { authbuf = aesni_cipher_alloc(crp, crp->crp_aad_start, crp->crp_aad_length, &authallocated); - if (authbuf == NULL) { - error = ENOMEM; - goto out; + if (authbuf == NULL) { + error = ENOMEM; + goto out; + } } } - if (CRYPTO_HAS_OUTPUT_BUFFER(crp)) { + if (CRYPTO_HAS_OUTPUT_BUFFER(crp) && crp->crp_payload_length > 0) { outbuf = crypto_buffer_contiguous_subsegment(&crp->crp_obuf, crp->crp_payload_output_start, crp->crp_payload_length); if (outbuf == NULL) {