From patchwork Fri May 2 09:03:56 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herbert Xu X-Patchwork-Id: 887264 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 E80EB2581 for ; Fri, 2 May 2025 09:04:00 +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=1746176644; cv=none; b=Jhoh6EpsctWdXZcVXjgn9l0+uXHRwVnQi8feI9YFPO6QV8bTdlTbqleuvcrLpedubE/yz68V3CYwQNa49Kxb9Vlj2k02mlMYjTER5WZiVoBC30BZqRmSOJ/VFLs6WQx387G4wPIK+H53pTm2nfXnftRQAL44UrGTSxsRSxuFYsQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746176644; c=relaxed/simple; bh=5xJxjatv1SXBgZWuHf/pcOnNZHixmTq2mur34YZVQWI=; h=Date:Message-Id:From:Subject:To; b=Ybhs0AN7RMZsjblKbZXnjoCH8O4n7IliVoElb5lfCk4PndjCJGq386+bJYTyxVNQcR1ZnqBWIUgU/IGpT5Q/jSw3YM3fsoJ7u4cWUGGhmt9Z405NfN6HkwQp3DsVLQxY7zhICSiDIkLIDLxQOMMlRn7D4mCrcYO5L+99+QAN0Ag= 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=lC7y52qU; 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="lC7y52qU" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=To:Subject:From:Message-Id:Date:Sender:Reply-To:Cc:MIME-Version :Content-Type:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=3gLiLWifk3nVPNK6MTy0c8gc/xHYCFmOA4uzNtcPE34=; b=lC7y52qU3VA/WPoJrTL8kq6BC6 VohW+avW6iSEEDcA/thF9x9lO3ycgPpWMNftFIy0IhMMeQ8lKSBvZiTTD2A4Qafcz1DTuntfyw0c1 Mvk8gg28o4lbnDV1Z5Q0eiDVwfQfh5kQhK9+nAKDlC2FLY0NTTwhmp7aeR7TrsTvDhsGU/pKy6iJH Jnf3uNS+EtMgnWIGtBoPT/8Nn24vG0aeYKMPtUvQ7+o5LH+D/i80Bm2v3YZ2aWC1BemRRxciNEF6A iRajS8tyZF46MCVov9uO5vedtGc+yw6YF42uHmSd766uOZF3IqmVEHQZeHz8YoK7zjSWYdEwb88nb TgQOJKdw==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1uAmJI-002nrz-2m; Fri, 02 May 2025 17:03:57 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 02 May 2025 17:03:56 +0800 Date: Fri, 02 May 2025 17:03:56 +0800 Message-Id: <41f8d44fe2b46ac2e1f0c54e550aa8bffe9e1cf3.1746176535.git.herbert@gondor.apana.org.au> From: Herbert Xu Subject: [PATCH 1/3] crypto: shash - Cap state size to HASH_MAX_DESCSIZE To: Linux Crypto Mailing List Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Now that all shash algorithms have converted over to the generic export format, limit the shash state size to HASH_MAX_DESCSIZE. Signed-off-by: Herbert Xu --- crypto/shash.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/crypto/shash.c b/crypto/shash.c index c4a724e55d7a..4f446463340e 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -479,6 +479,8 @@ static int shash_prepare_alg(struct shash_alg *alg) if (alg->descsize > HASH_MAX_DESCSIZE) return -EINVAL; + if (alg->statesize > HASH_MAX_DESCSIZE) + return -EINVAL; return 0; }