From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11842C64E7B for ; Mon, 30 Nov 2020 11:02:16 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 51DBE207F7 for ; Mon, 30 Nov 2020 11:02:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NaC0Zi3b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 51DBE207F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kjgwg-00025o-2m for qemu-devel@archiver.kernel.org; Mon, 30 Nov 2020 06:02:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58890) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kjgrt-0006kj-QQ for qemu-devel@nongnu.org; Mon, 30 Nov 2020 05:57:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:50661) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kjgrr-000665-5I for qemu-devel@nongnu.org; Mon, 30 Nov 2020 05:57:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606733834; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MvCNeNeGTjGF8SPxJZozP0n7zHpwAzwX5Dfx0lMZilY=; b=NaC0Zi3bNBeAiVqzP4xfiJAIsXrbgdV+ls7mCnCYdei82BvpjPRDcR5uaPz3w/af3uHptZ lP5XmD+3fnoOCPE/njBBZjzmu7w8xnMSwOiX/1g1RmBjQOe/iWOkM2liIZ4xkZCpGqhQpt vLYK71xs24NAeVblcdByi35qLOeIMKA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-436-lEXHzzIhNTWeinrq3Xa9ag-1; Mon, 30 Nov 2020 05:57:10 -0500 X-MC-Unique: lEXHzzIhNTWeinrq3Xa9ag-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1135B8F4E9; Mon, 30 Nov 2020 10:57:09 +0000 (UTC) Received: from merkur.fritz.box (ovpn-114-117.ams2.redhat.com [10.36.114.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id C36C260BD9; Mon, 30 Nov 2020 10:57:07 +0000 (UTC) From: Kevin Wolf To: qemu-devel@nongnu.org Subject: [PATCH 3/4] crypto: Fix memory leaks in set_loaded for tls-* Date: Mon, 30 Nov 2020 11:56:14 +0100 Message-Id: <20201130105615.21799-4-kwolf@redhat.com> In-Reply-To: <20201130105615.21799-1-kwolf@redhat.com> References: <20201130105615.21799-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.496, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, jasowang@redhat.com, fnu.vikram@xilinx.com, berrange@redhat.com, pisa@cmp.felk.cvut.cz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" If you set the loaded property to true when it was already true, the state is overwritten without freeing the old state first. Change the set_loaded callback so that it always frees the old state (which is a no-op if nothing was loaded) and only then load if requestsd. Signed-off-by: Kevin Wolf --- crypto/tlscredsanon.c | 3 +-- crypto/tlscredspsk.c | 3 +-- crypto/tlscredsx509.c | 3 +-- 3 files changed, 3 insertions(+), 6 deletions(-) diff --git a/crypto/tlscredsanon.c b/crypto/tlscredsanon.c index 30275b6847..bea5f76c55 100644 --- a/crypto/tlscredsanon.c +++ b/crypto/tlscredsanon.c @@ -123,10 +123,9 @@ qcrypto_tls_creds_anon_prop_set_loaded(Object *obj, { QCryptoTLSCredsAnon *creds = QCRYPTO_TLS_CREDS_ANON(obj); + qcrypto_tls_creds_anon_unload(creds); if (value) { qcrypto_tls_creds_anon_load(creds, errp); - } else { - qcrypto_tls_creds_anon_unload(creds); } } diff --git a/crypto/tlscredspsk.c b/crypto/tlscredspsk.c index e26807b899..f5a31108d1 100644 --- a/crypto/tlscredspsk.c +++ b/crypto/tlscredspsk.c @@ -192,10 +192,9 @@ qcrypto_tls_creds_psk_prop_set_loaded(Object *obj, { QCryptoTLSCredsPSK *creds = QCRYPTO_TLS_CREDS_PSK(obj); + qcrypto_tls_creds_psk_unload(creds); if (value) { qcrypto_tls_creds_psk_load(creds, errp); - } else { - qcrypto_tls_creds_psk_unload(creds); } } diff --git a/crypto/tlscredsx509.c b/crypto/tlscredsx509.c index dd7267ccdb..ed6e1dc202 100644 --- a/crypto/tlscredsx509.c +++ b/crypto/tlscredsx509.c @@ -694,10 +694,9 @@ qcrypto_tls_creds_x509_prop_set_loaded(Object *obj, { QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); + qcrypto_tls_creds_x509_unload(creds); if (value) { qcrypto_tls_creds_x509_load(creds, errp); - } else { - qcrypto_tls_creds_x509_unload(creds); } } -- 2.28.0