From patchwork Fri Apr 9 16:15:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 1464470 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=FFqSNVAr; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4FH3Rp0TBHz9sSC for ; Sat, 10 Apr 2021 02:26:46 +1000 (AEST) Received: from localhost ([::1]:58580 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUty0-0005NH-17 for incoming@patchwork.ozlabs.org; Fri, 09 Apr 2021 12:26:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50046) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUtnk-0007aV-Ka for qemu-devel@nongnu.org; Fri, 09 Apr 2021 12:16:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:39016) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUtni-0003Le-NB for qemu-devel@nongnu.org; Fri, 09 Apr 2021 12:16:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617984965; 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=A4rs2GIunkVXTiERjt/BtjkxPnrk2e2igFzTgpneroE=; b=FFqSNVArzb6KQ62DSWddcddQNVef4zuK9u9LfREDp9JzL2ndE32zR0UJlgvavQ00g+5x6E XQX1bKgvarxp1vDbWVyIJK7dOjCVrdXgvrEIM6bBqO59c07NsOWvKPjQ7z+EN/eh7gW32p x+Gdp0Ze6ZRtbp8NkjEQuLGVvrwl4wQ= 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-524-P-D5wflCOdewDmrD-SKG1g-1; Fri, 09 Apr 2021 12:16:01 -0400 X-MC-Unique: P-D5wflCOdewDmrD-SKG1g-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 999631883522; Fri, 9 Apr 2021 16:16:00 +0000 (UTC) Received: from merkur.fritz.box (ovpn-115-63.ams2.redhat.com [10.36.115.63]) by smtp.corp.redhat.com (Postfix) with ESMTP id A871B5D6A1; Fri, 9 Apr 2021 16:15:59 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 02/10] block/rbd: fix memory leak in qemu_rbd_co_create_opts() Date: Fri, 9 Apr 2021 18:15:40 +0200 Message-Id: <20210409161548.341297-3-kwolf@redhat.com> In-Reply-To: <20210409161548.341297-1-kwolf@redhat.com> References: <20210409161548.341297-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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 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: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Stefano Garzarella When we allocate 'q_namespace', we forgot to set 'has_q_namespace' to true. This can cause several issues, including a memory leak, since qapi_free_BlockdevCreateOptions() does not deallocate that memory, as reported by valgrind: 13 bytes in 1 blocks are definitely lost in loss record 7 of 96 at 0x4839809: malloc (vg_replace_malloc.c:307) by 0x48CEBB8: g_malloc (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x48E3FE3: g_strdup (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x180010: qemu_rbd_co_create_opts (rbd.c:446) by 0x1AE72C: bdrv_create_co_entry (block.c:492) by 0x241902: coroutine_trampoline (coroutine-ucontext.c:173) by 0x57530AF: ??? (in /usr/lib64/libc-2.32.so) by 0x1FFEFFFA6F: ??? Fix setting 'has_q_namespace' to true when we allocate 'q_namespace'. Fixes: 19ae9ae014 ("block/rbd: Add support for ceph namespaces") Signed-off-by: Stefano Garzarella Message-Id: <20210329150129.121182-3-sgarzare@redhat.com> Reviewed-by: Markus Armbruster Reviewed-by: Max Reitz Signed-off-by: Kevin Wolf --- block/rbd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/rbd.c b/block/rbd.c index 24cefcd0dc..f098a89c7b 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -444,6 +444,7 @@ static int coroutine_fn qemu_rbd_co_create_opts(BlockDriver *drv, loc->user = g_strdup(qdict_get_try_str(options, "user")); loc->has_user = !!loc->user; loc->q_namespace = g_strdup(qdict_get_try_str(options, "namespace")); + loc->has_q_namespace = !!loc->q_namespace; loc->image = g_strdup(qdict_get_try_str(options, "image")); keypairs = qdict_get_try_str(options, "=keyvalue-pairs");