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=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 1936CC433DF for ; Wed, 24 Jun 2020 08:42:51 +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 D83E42088E for ; Wed, 24 Jun 2020 08:42:50 +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="AxdyRUm4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D83E42088E 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]:56964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jo0zZ-0001qN-V7 for qemu-devel@archiver.kernel.org; Wed, 24 Jun 2020 04:42:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jo0un-0000oN-0s for qemu-devel@nongnu.org; Wed, 24 Jun 2020 04:37:53 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:54515 helo=us-smtp-delivery-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 1jo0uh-000268-B6 for qemu-devel@nongnu.org; Wed, 24 Jun 2020 04:37:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592987866; 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=yigXi+5jJxPcEfqszOa6dKjHvjPy5dq/aBEievotLbg=; b=AxdyRUm4Wz0u0OKnrA6BvofLWj5cA/kgUSwyG9ipXm0x01xAkqeXQBS/O4UFSv7KTmJaeD q5DqXFxu7bzj1PyXptr7qb+WeIBUCiBtpevzc2dl+H0tcJ1Wc8PCG+rzqhY7YakdjQm2+N Rh6SKzPaRCINrMTrsPFuDT+LZn3TZ04= 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-295-x-nNOMqzPiiwWhG2V8lQxQ-1; Wed, 24 Jun 2020 04:37:44 -0400 X-MC-Unique: x-nNOMqzPiiwWhG2V8lQxQ-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 96242107ACF3; Wed, 24 Jun 2020 08:37:43 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-121.ams2.redhat.com [10.36.112.121]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A5A9D7168D; Wed, 24 Jun 2020 08:37:40 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 8E96B1138474; Wed, 24 Jun 2020 10:37:37 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v2 06/25] usb/dev-mtp: Fix Error double free after inotify failure Date: Wed, 24 Jun 2020 10:37:18 +0200 Message-Id: <20200624083737.3086768-7-armbru@redhat.com> In-Reply-To: <20200624083737.3086768-1-armbru@redhat.com> References: <20200624083737.3086768-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 01:59:40 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: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Gerd Hoffmann , qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" error_report_err() frees its first argument. Freeing it again is wrong. Don't. Fixes: 47287c27d0c367a89f7b2851e23a7f8b2d499dd6 Cc: Gerd Hoffmann Cc: Daniel P. Berrangé Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster --- hw/usb/dev-mtp.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 168428156b..15a2243101 100644 --- a/hw/usb/dev-mtp.c +++ b/hw/usb/dev-mtp.c @@ -634,7 +634,6 @@ static void usb_mtp_object_readdir(MTPState *s, MTPObject *o) error_reportf_err(err, "usb-mtp: failed to add watch for %s: ", o->path); - error_free(err); } else { trace_usb_mtp_file_monitor_event(s->dev.addr, o->path, "Watch Added"); @@ -1279,7 +1278,6 @@ static void usb_mtp_command(MTPState *s, MTPControl *c) if (err) { error_reportf_err(err, "usb-mtp: file monitoring init failed: "); - error_free(err); } else { QTAILQ_INIT(&s->events); } -- 2.26.2