From nobody Sun Nov 24 01:14:34 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1728392094; cv=none; d=zohomail.com; s=zohoarc; b=bjeeGecPX5EnkvrzLo34hYbbcePHbVPl8Vamr3YYnKkjr709i44AEwMtVU0NOi5V0Fi9rqd8pFHUa03KDJBVbiJGRCQBlYHj5XNOLxdomuPAkPp6iREA9QdhRNpkq6TxD2Z3asFRjVEhVBsOeB5PqLAkzHJaMP284r7yr+f0wXA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728392094; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=EUNwShyGVzhC0LtMjkUoqL4y2E98jZ/av/bX37TEm0s=; b=bIubPKdhVbD5Pfq+fv2w6bF9/tWTvtK8Q2k4J2KuOCn4wWdv4tOPHDZFewVNq/WEHOP81in0gQX6eMw2A417qSvyGL+67McLsw7k2lq7l2AsW1Ht5SSSw5gQmkU+1y/Le6bP6hLWPWxxwya2+45KrFYFRqCcytVyELHkM+Nmkd8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1728392094406482.4642871333723; Tue, 8 Oct 2024 05:54:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sy9gf-0007ot-Tv; Tue, 08 Oct 2024 08:51:37 -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 1sy9gT-0007Vm-Q6 for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:26 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sy9gR-0002Sc-Qj for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:25 -0400 Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-479-MrDGDvDWN5e1W7TvkpQ0vw-1; Tue, 08 Oct 2024 08:51:19 -0400 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A94FE1905987; Tue, 8 Oct 2024 12:51:15 +0000 (UTC) Received: from localhost (unknown [10.39.208.19]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 72C4919560A3; Tue, 8 Oct 2024 12:51:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728391882; 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=EUNwShyGVzhC0LtMjkUoqL4y2E98jZ/av/bX37TEm0s=; b=MTzG7JunJiqdzJffjPTrZG5Mfqvqy/x6jVjJtGaAxaSh3d320hbx28sdv+R72dFIKF+YOR Z9fU/tkUE/gby9lTWwN6+tcXssxUa7L+qgptZMzGfLhobf9jqfqhI4MYzh/zTDh82xJt7U HFtVwGUCESfqx9QPa1MaaNFveSBuYKM= X-MC-Unique: MrDGDvDWN5e1W7TvkpQ0vw-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Peter Maydell , Akihiko Odaki , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , "Michael S. Tsirkin" , belmouss@redhat.com, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Thomas Huth , Paolo Bonzini , Gerd Hoffmann , Laurent Vivier Subject: [PATCH v2 08/19] util/memfd: report potential errors on free Date: Tue, 8 Oct 2024 16:50:17 +0400 Message-ID: <20241008125028.1177932-9-marcandre.lureau@redhat.com> In-Reply-To: <20241008125028.1177932-1-marcandre.lureau@redhat.com> References: <20241008125028.1177932-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.151, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1728392095888116600 From: Marc-Andr=C3=A9 Lureau Signed-off-by: Marc-Andr=C3=A9 Lureau --- util/memfd.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/util/memfd.c b/util/memfd.c index 4a3c07e0be..8a2e906962 100644 --- a/util/memfd.c +++ b/util/memfd.c @@ -28,6 +28,7 @@ #include "qemu/osdep.h" =20 #include "qapi/error.h" +#include "qemu/error-report.h" #include "qemu/memfd.h" #include "qemu/host-utils.h" =20 @@ -149,11 +150,15 @@ err: void qemu_memfd_free(void *ptr, size_t size, int fd) { if (ptr) { - munmap(ptr, size); + if (munmap(ptr, size) !=3D 0) { + error_report("memfd munmap() failed: %s", strerror(errno)); + } } =20 if (fd !=3D -1) { - close(fd); + if (close(fd) !=3D 0) { + error_report("memfd close() failed: %s", strerror(errno)); + } } } =20 --=20 2.47.0