Date: Wed, 13 Jul 2022 16:47:51 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: b53f356918f8 - stable/13 - crypto: Fix assertions for digest-only sessions with separate output. Message-ID: <202207131647.26DGlpGf052478@gitrepo.freebsd.org>
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The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=b53f356918f872063b098741e797b8ebea3d03b9 commit b53f356918f872063b098741e797b8ebea3d03b9 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2022-06-30 17:10:00 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2022-07-13 16:25:14 +0000 crypto: Fix assertions for digest-only sessions with separate output. Digest-only sessions do not generate modified payload as an output, so don't bother asserting anything about the payload with respect to the output buffer other than the payload output start being zero. In addition, a verify request on a digest-only session doesn't generate any output at all so should never have a separate output buffer. PR: 252316 Reviewed by: markj Co-authored-by: Jeremy Faulkner <gldisater@gmail.com> MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D35578 (cherry picked from commit c71f2370c5d480cf70f12ee276e044681c57aefc) --- sys/opencrypto/crypto.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sys/opencrypto/crypto.c b/sys/opencrypto/crypto.c index 1c5074e847ed..c9ba66650807 100644 --- a/sys/opencrypto/crypto.c +++ b/sys/opencrypto/crypto.c @@ -1423,6 +1423,11 @@ crp_sanity(struct cryptop *crp) if (out == NULL) { KASSERT(crp->crp_payload_output_start == 0, ("payload output start non-zero without output buffer")); + } else if (csp->csp_mode == CSP_MODE_DIGEST) { + KASSERT(!(crp->crp_op & CRYPTO_OP_VERIFY_DIGEST), + ("digest verify with separate output buffer")); + KASSERT(crp->crp_payload_output_start == 0, + ("digest operation with non-zero payload output start")); } else { KASSERT(crp->crp_payload_output_start == 0 || crp->crp_payload_output_start < olen,
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