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 81AD412B94 for ; Fri, 7 Aug 2026 07:07:37 +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=1786086458; cv=none; b=ulBs8hrFGXVsZt0YVXtk57T5hw7qmIFC1Xj4q4V3L2LdCVYCej24ZnMOuwDXcyT4yyEQu97DlYy068xBcSYIrK27ai41nWmVWiNA5odph4SOTX8agaZCtiIsFF0YbCQs/OtRZKLcNzA9ADkGxRkU0XKrfIMV9H/gm9ZRyAc1osA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786086458; c=relaxed/simple; bh=TXi1E78cjlAEwfYKo16gnIGsjCugY7q4hnj/efQOZ4k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dpOA0+bxZebimqr6VeuZiasAtzSXEh/OLL60Nv64S847cQChARLfvUpwyWciM5KYdWztsXkLIaCbv/O1iMmNJ3hp45P8Q8BjvygPTvkzl3DwICZv0BFmIpOtzMDyaIE5jmuhR20cu6H3TMxLtTWoR0HgVUE3jxvxhBaXEw429wE= 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=S+8ZoBxD; 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="S+8ZoBxD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1786086456; 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=S+8ZoBxD7JD+9iirg3FB4q4IGS/gTKig3dHGOwCRsqjIrJzDFsLdnNQlqKYjcIZxgWnvF3 Sdedj8GGxzpM9kWmzpJxtikdWskAMM+rOw5CXxzsTMpNkCz5b4CMbc+o/bfLhCC5hFaaO+ JeD9IIKg1przGyvuHzbDJ6iRf6zBWFE= 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-crypto@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