From nobody Sun Feb 8 04:23:23 2026 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDCCD1E9901; Sat, 10 May 2025 10:41:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746873698; cv=none; b=NwJSgNxtk+hYquY5gzTX81EFehDeJa5UIDaMlx/P69CfHO0cVxhoneKnQbLisBKntkX51pqrEDQSvH93P8TXAgRmtHYTBWe1+dee0eiCDcjlQX9j6AaAN2+XJiia2bOMhX1FKYL+y4kgVHIrqKqFEJljIolDwbbhucEylxOfqw8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746873698; c=relaxed/simple; bh=uf7iuBOGtRusc2qdWp7vhMMYM+W9F+pYeofabP9pcV8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CXL6/wDoYXZeOhfSWPeYRRfivgLgpVVVoCedFMptKfYVpUwfEObWe/V23k6Bob2FUgMb4YlnmV2eyrC9N4QANvVGG5IGtfE9sXCB5bEgNUlY3whgMno3vXqecY7J/I7ppyHnLA5v/+DkGKZxjwZ8Ymxt6Cvx8Oz4rjPfA5fz2eg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b=nAaWaPMn; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b="nAaWaPMn" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=az+uqpLjFfXOFLmSbeAHf6lI2r7SF8nOcWYMfEc+Eao=; b=nAaWaPMnwx7YmXSEq1rXxsiFpK zpipxXYCUrGxAwaVPMUIjn1j+mNGNrOpnNra+jKfI83INsJU3OkZZisN5uHli7x1bjDqjUuqmlYgL BcYu4P/+CXdnVIgEzUKIqhBgAlI6HiQZHBtFOBriyMKPDcdLzE9Yu2MJCYEYm/JieiaHfaT60SKsc FgznRuyprX7O0OAhS0oswER7FE8NVypz5K9oMol4EowJJCZwYAtm/TA22RukIhHYeHt82RgUSF/15 jwBYceheiA8po37oxw3k0ckGdOBECPgr+YlmWbg9NdrneF1m3KAMI3fX13HgYVuTQuCIG+kk+3M+p wZcUZSHw==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1uDhe7-0053Mc-2S; Sat, 10 May 2025 18:41:32 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Sat, 10 May 2025 18:41:31 +0800 Date: Sat, 10 May 2025 18:41:31 +0800 From: Herbert Xu To: Corentin Labbe Cc: Klaus Kudielka , regressions@lists.linux.dev, linux-kernel@vger.kernel.org, Linux Crypto Mailing List , Boris Brezillon , EBALARD Arnaud , Romain Perier Subject: [PATCH] crypto: marvell/cesa - Handle zero-length skcipher requests Message-ID: References: <5db212655dc98945fa3f529925821879a03ff554.camel@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" On Thu, May 08, 2025 at 03:43:07PM +0200, Corentin Labbe wrote: > > 6.14.4 boot log at http://kernel.montjoie.ovh/477911.log This patch may fix the skcipher ENOMEM errors, since they all seem to come from random test vectors with length 0. ---8<--- Do not access random memory for zero-length skcipher requests. Just return 0. Fixes: f63601fd616a ("crypto: marvell/cesa - add a new driver for Marvell's= CESA") Signed-off-by: Herbert Xu --- drivers/crypto/marvell/cesa/cipher.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/marvell/cesa/cipher.c b/drivers/crypto/marvell/= cesa/cipher.c index 047f3758c1d1..cbf86968d8a2 100644 --- a/drivers/crypto/marvell/cesa/cipher.c +++ b/drivers/crypto/marvell/cesa/cipher.c @@ -456,6 +456,9 @@ static int mv_cesa_skcipher_queue_req(struct skcipher_r= equest *req, struct mv_cesa_skcipher_req *creq =3D skcipher_request_ctx(req); struct mv_cesa_engine *engine; =20 + if (!req->cryptlen) + return 0; + ret =3D mv_cesa_skcipher_req_init(req, tmpl); if (ret) return ret; --=20 2.39.5 --=20 Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt