From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 315A8390CBE for ; Fri, 7 Aug 2026 07:07:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786086456; cv=none; b=aXg/NdLNHKypO5X/aDn1k4i5QkDLpSGjNnKNnC6eHfPDBY6LsTu2PV/yngPQzu/+MLv28ebC23JKuag4oFM2q4ITb0MKdCkRTy86UZ7da4LP1J+jyz+UaFkO2E0cefY3IxlfWw3NIDmOG/Uen98R4/DgIxKfi/phbvSTD55Bbp0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786086456; c=relaxed/simple; bh=TXi1E78cjlAEwfYKo16gnIGsjCugY7q4hnj/efQOZ4k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rrmLfjwJhQzXbjnGVsv4mBH2CgLF5uFBii+Fa2RwOu5OVn1LDJ7BGGi97P63Za4pCAgup9K2q0px3G637jjDLlQFE4PnqGd4Ty1mo8rcSu5oWvsfzOw17L+wGtYZjGpN11d5/GDkbiVtKoMiNStwKMxM9NQFugz2fe0EUheghEA= 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=gnvLrvwu; arc=none smtp.client-ip=170.10.133.124 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="gnvLrvwu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1786086454; 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=D6NyyqK7KlyD8z4FwO/BXzdfa/BL5mjoIdYzF1ekpFM=; b=gnvLrvwusTHRblydfji46j9Jj7kUtVuCB1I3S7nlqbfw/+ecGLGZ3m83gRZhJY/ljVqRZ9 n4OY/sOIonXun/ADLlmicQ/Iv9cdrGTbvAzok33+mBi2YRaV0CumtnVu+iB84rG4HsC9V5 QLz+MIxLkw8ond0rTKBbv2i34fcfq3Y= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-280-XVYdn7r6OtmkJxuEHP0pwg-1; Fri, 07 Aug 2026 03:07:30 -0400 X-MC-Unique: XVYdn7r6OtmkJxuEHP0pwg-1 X-Mimecast-MFC-AGG-ID: XVYdn7r6OtmkJxuEHP0pwg_1786086449 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 5EF26195605E; Fri, 7 Aug 2026 07:07:29 +0000 (UTC) Received: from thuth-p1g4.redhat.corp (headnet03.pony-001.prod.iad2.dc.redhat.com [10.2.32.114]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 545201956094; Fri, 7 Aug 2026 07:07:25 +0000 (UTC) From: Thomas Huth To: Herbert Xu , "David S. Miller" , Catalin Marinas , Will Deacon Cc: linux-crypto@vger.kernel.org, Eric Biggers , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 07/10] crypto: arm64/aes-neonbs - clear the crypto_aes_ctx when done Date: Fri, 7 Aug 2026 09:06:34 +0200 Message-ID: <20260807070651.228713-8-thuth@redhat.com> In-Reply-To: <20260807070651.228713-1-thuth@redhat.com> References: <20260807070651.228713-1-thuth@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 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/arm64/crypto/aes-neonbs-glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c index 5bcbac9798931..c2f3eac0ca661 100644 --- a/arch/arm64/crypto/aes-neonbs-glue.c +++ b/arch/arm64/crypto/aes-neonbs-glue.c @@ -247,7 +247,7 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key, unsigned int key_len) { struct aesbs_xts_ctx *ctx = crypto_skcipher_ctx(tfm); - struct crypto_aes_ctx rk; + struct crypto_aes_ctx rk __cleanup(aes_zeroize_ctx); int err; err = xts_verify_key(tfm, in_key, key_len); -- 2.55.0