From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 EA7C03B27DE for ; Mon, 10 Aug 2026 09:30:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786354243; cv=none; b=PIfAh8RxoyPCNjqdUecNM3GvQysCK/gFF744WScvHWjk3VuBrwHM4xllXjIOcPdFQPQ7O/PwB1h0jL6gBKWNqThrUUYxotv8ZT30xc2z82/O8lWNPueayaHrhTUgJq/uRCBeC5/F3nWVXHhaH1ebwarkjTJpMDlDtL4POkZ2kL0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786354243; c=relaxed/simple; bh=b5aZNIDCHkvfoWtjbjEcQ7aD9yQG5oyRD+0JfQ4XMl8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J12ANvW5jGRJwZf2yPsSCa6x2IYHmDui+Qe8nVeucDm9yN4w62bZAzStAKYYIMlLEM1nam1VbBQfQHe/QqqZ4Oe718Qc+FqrboBDZNISCCfY7ZdMo+gNfSWd0FB3AOTaUZjbUEL/YLyVot7xJ94otYty62qaGix+StUGE2yFymQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=EwCgV+5P; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EwCgV+5P" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1786354240; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Vqj916x7IWEPwY8/O5oc6WAr80znZJ+nk/7CTdbfDAQ=; b=EwCgV+5PY3ZwfQTrsW/KT4lDZOsotozGDsysEDswH0HRxuR6TzAtGx3ppJYqEMDKRcTZHn CodS28lBTXSaBiU0P3+n5kMHtBwISzWbCVJtBcQ3zWsOUtYOSzIyvYdoTunu3gExKXyNUr 74VHydCghH0LRtuvqnEcvk5PmKrlV4Y= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-357-1bpIgU8CMXGcJ8ZkQtFrtw-1; Mon, 10 Aug 2026 05:30:35 -0400 X-MC-Unique: 1bpIgU8CMXGcJ8ZkQtFrtw-1 X-Mimecast-MFC-AGG-ID: 1bpIgU8CMXGcJ8ZkQtFrtw_1786354233 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 715B71800115; Mon, 10 Aug 2026 09:30:33 +0000 (UTC) Received: from thuth-p1g4.redhat.corp (headnet05.pony-001.prod.iad2.dc.redhat.com [10.2.32.117]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 13DE33001D38; Mon, 10 Aug 2026 09:30:29 +0000 (UTC) From: Thomas Huth To: Herbert Xu , "David S. Miller" , Russell King Cc: linux-crypto@vger.kernel.org, Eric Biggers , linux-kernel@vger.kernel.org, Antoine Tenart , linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 05/10] crypto: arm/aes-neonbs - clear the crypto_aes_ctx when done Date: Mon, 10 Aug 2026 11:30:00 +0200 Message-ID: <20260810093009.608090-6-thuth@redhat.com> In-Reply-To: <20260810093009.608090-1-thuth@redhat.com> References: <20260810093009.608090-1-thuth@redhat.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 From: Thomas Huth Clear the crypto_aes_ctx structure via __cleanup(aes_zeroize_ctx) when we're done with it to avoid that key data could leak on the stack. Signed-off-by: Thomas Huth --- arch/arm/crypto/aes-neonbs-glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c index c49ddafc54f34..f0c8bfd2ac8fc 100644 --- a/arch/arm/crypto/aes-neonbs-glue.c +++ b/arch/arm/crypto/aes-neonbs-glue.c @@ -60,7 +60,7 @@ static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len) { struct aesbs_ctx *ctx = crypto_skcipher_ctx(tfm); - struct crypto_aes_ctx rk; + struct crypto_aes_ctx rk __cleanup(aes_zeroize_ctx); int err; err = aes_expandkey(&rk, in_key, key_len); -- 2.55.0