From patchwork Thu Jul 2 11:09:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11638515 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B412292A for ; Thu, 2 Jul 2020 11:10:28 +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 8A6062070C for ; Thu, 2 Jul 2020 11:10:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="PKD4jz32" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8A6062070C 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:59958 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqx6p-0008IF-Qc for patchwork-qemu-devel@patchwork.kernel.org; Thu, 02 Jul 2020 07:10:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqx65-0006WD-Rg for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:41 -0400 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:21249 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jqx63-0000yz-Og for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593688178; 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=7y70w8ASzGEut7aQ+ENKOL+NyKSh+4QL5MCusQcZ28w=; b=PKD4jz32u4EcG213h+lSaMvThxSNx9nt6lr9Jk9mJyVJe5V+awittBSDkNrpK1vDKQDnB+ w4uNzOQuT6HnGSWV6G3sRIUO3cHY4hkfcXauYe6Ns9TFUhQpgjvmPtq/mqQ7wtceVa+65v +fPCVoIIgTF4EPOPvUUoNG6K/qlfIi8= 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-6-PAjrrNkVNIe_CMlKsphVyw-1; Thu, 02 Jul 2020 07:09:34 -0400 X-MC-Unique: PAjrrNkVNIe_CMlKsphVyw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 53B50800C60; Thu, 2 Jul 2020 11:09:33 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0600D6109F; Thu, 2 Jul 2020 11:09:33 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 8534911384D4; Thu, 2 Jul 2020 13:09:31 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 01/28] chardev/tcp: Fix error message double free error Date: Thu, 2 Jul 2020 13:09:04 +0200 Message-Id: <20200702110931.2953148-2-armbru@redhat.com> In-Reply-To: <20200702110931.2953148-1-armbru@redhat.com> References: <20200702110931.2953148-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 03:42:59 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: lichun , qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: lichun Errors are already freed by error_report_err, so we only need to call error_free when that function is not called. Cc: qemu-stable@nongnu.org Signed-off-by: lichun Message-Id: <20200621213017.17978-1-lichun@ruijie.com.cn> Reviewed-by: Markus Armbruster [Commit message improved, cc: qemu-stable] Signed-off-by: Markus Armbruster --- chardev/char-socket.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/chardev/char-socket.c b/chardev/char-socket.c index afebeec5c3..569d54c144 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -142,6 +142,8 @@ static void check_report_connect_error(Chardev *chr, "Unable to connect character device %s: ", chr->label); s->connect_err_reported = true; + } else { + error_free(err); } qemu_chr_socket_restart_timer(chr); } @@ -1086,7 +1088,6 @@ static void qemu_chr_socket_connected(QIOTask *task, void *opaque) if (qio_task_propagate_error(task, &err)) { tcp_chr_change_state(s, TCP_CHARDEV_STATE_DISCONNECTED); check_report_connect_error(chr, err); - error_free(err); goto cleanup; }