From patchwork Mon Oct 7 19:16:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1993788 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XMpsN5lf7z1xvB for ; Tue, 8 Oct 2024 06:20:56 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sxtGp-0008L9-J2; Mon, 07 Oct 2024 15:19:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sxtFe-0006KN-Dg; Mon, 07 Oct 2024 15:18:38 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sxtFb-0004Kz-5y; Mon, 07 Oct 2024 15:18:38 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 7E70C96253; Mon, 7 Oct 2024 22:16:49 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 5988114F733; Mon, 7 Oct 2024 22:16:56 +0300 (MSK) Received: (nullmailer pid 2592768 invoked by uid 1000); Mon, 07 Oct 2024 19:16:54 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Fabiano Rosas , Peter Xu , Michael Tokarev Subject: [Stable-9.1.1 22/32] migration/multifd: Fix p->iov leak in multifd-uadk.c Date: Mon, 7 Oct 2024 22:16:39 +0300 Message-Id: <20241007191654.2592616-22-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Fabiano Rosas The send_cleanup() hook should free the p->iov that was allocated at send_setup(). This was missed because the UADK code is conditional on the presence of the accelerator, so it's not tested by default. Fixes: 819dd20636 ("migration/multifd: Add UADK initialization") Reported-by: Peter Xu Reviewed-by: Peter Xu Signed-off-by: Fabiano Rosas (cherry picked from commit 405e352d28c24991cacfdebccf67d56c4795cf6e) Signed-off-by: Michael Tokarev diff --git a/migration/multifd-uadk.c b/migration/multifd-uadk.c index d12353fb21..9a582fc919 100644 --- a/migration/multifd-uadk.c +++ b/migration/multifd-uadk.c @@ -146,6 +146,8 @@ static void multifd_uadk_send_cleanup(MultiFDSendParams *p, Error **errp) multifd_uadk_uninit_sess(wd); p->compress_data = NULL; + g_free(p->iov); + p->iov = NULL; } static inline void prepare_next_iov(MultiFDSendParams *p, void *base,