From patchwork Mon Jul 22 08:17:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Ni X-Patchwork-Id: 13738523 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB2E24204F for ; Mon, 22 Jul 2024 08:17:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721636280; cv=none; b=Jc5sv24BTwxWwSWzzkwuwRgRQcy5qZzt5Ny21qoKbhUiFQ2XTOIrJMfvX91fqsrqYXkEKXlSqmNy4DV4LneoBwiamCU+KaWDvdcIrp+CLoDZIsD2EbjbrgCpK+O/kvz2bBqrhHhroJbaXgjdiUT+vWgPBj5iojTJngVrsfhjshc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721636280; c=relaxed/simple; bh=dab4UZj9EhfIrKWM7PHgxyx4xLjjKVIQhdtLV9KGKdw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=PT3xB9BqFFXHTG12YiM9avi03lk3pLheNQj0i3QSf2qcA9uiWOBs+hqHL5NQCozipnn/+i0m3qTIWy9GuDnB7H+5SnCq9YOkhlqoug3056A2ksWcR+qLqNUTFe9sjFQm5bNMx6HC/HXYesZ2wql7dE8G9YWiC7tBnBkIwULsN9c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=XVd8I6Gh; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XVd8I6Gh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721636277; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rMnW/hpm/YJyX2mpZvtHmEP7cBXJQfZHyKfn0fXTZe8=; b=XVd8I6GhiFyYBGuI0NTsLmw1a5fy3ZCZp2D0/FHTjlh7GkGlUsbQriHsOfluQjKbzZ84Tz s8WLt5/6hFUZbW75yZ5p9zjpjyXvKB0Q/ZYRG8llDH/Gw+V9CChyOGyuhq6q2qmiK30yfY Td5JKGQkiSH9smLGsJ7dKVraKt28Tek= Received: from mx-prod-mc-01.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-684-Ip4LMsN8N4eewg8ej5vR9A-1; Mon, 22 Jul 2024 04:17:51 -0400 X-MC-Unique: Ip4LMsN8N4eewg8ej5vR9A-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9E36A1955D42; Mon, 22 Jul 2024 08:17:50 +0000 (UTC) Received: from localhost.localdomain (unknown [10.72.120.7]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 16FFD1955D4E; Mon, 22 Jul 2024 08:17:46 +0000 (UTC) From: Xiao Ni To: mariusz.tkaczyk@linux.intel.com Cc: ncroxon@redhat.com, linux-raid@vger.kernel.org Subject: [PATCH 2/3] mdadm/Grow: fix coverity issue RESOURCE_LEAK Date: Mon, 22 Jul 2024 16:17:24 +0800 Message-Id: <20240722081736.20439-3-xni@redhat.com> In-Reply-To: <20240722081736.20439-1-xni@redhat.com> References: <20240722081736.20439-1-xni@redhat.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Fix some resource leak problems. Signed-off-by: Xiao Ni --- Grow.c | 47 ++++++++++++++++++++++++++++++++++++----------- 1 file changed, 36 insertions(+), 11 deletions(-) diff --git a/Grow.c b/Grow.c index 7ae967bda067..e18f1db00a57 100644 --- a/Grow.c +++ b/Grow.c @@ -530,8 +530,10 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) pr_err("Cannot add bitmap while array is resyncing or reshaping etc.\n"); pr_err("Cannot set bitmap file for %s: %s\n", devname, strerror(err)); + close_fd(&bitmap_fd); return 1; } + close_fd(&bitmap_fd); } return 0; @@ -3083,6 +3085,7 @@ static int reshape_array(char *container, int fd, char *devname, int done; struct mdinfo *sra = NULL; char buf[SYSFS_MAX_BUF_SIZE]; + bool located_backup = false; /* when reshaping a RAID0, the component_size might be zero. * So try to fix that up. @@ -3165,8 +3168,10 @@ static int reshape_array(char *container, int fd, char *devname, goto release; } - if (!backup_file) + if (!backup_file) { backup_file = locate_backup(sra->sys_name); + located_backup = true; + } goto started; } @@ -3612,15 +3617,13 @@ started: mdstat_wait(30 - (delayed-1) * 25); } while (delayed); mdstat_close(); - if (check_env("MDADM_GROW_VERIFY")) - fd = open(devname, O_RDONLY | O_DIRECT); - else - fd = -1; mlockall(MCL_FUTURE); if (signal_s(SIGTERM, catch_term) == SIG_ERR) goto release; + if (check_env("MDADM_GROW_VERIFY")) + fd = open(devname, O_RDONLY | O_DIRECT); if (st->ss->external) { /* metadata handler takes it from here */ done = st->ss->manage_reshape( @@ -3632,6 +3635,8 @@ started: fd, sra, &reshape, st, blocks, fdlist, offsets, d - odisks, fdlist + odisks, offsets + odisks); + if (fd >= 0) + close_fd(&fd); free(fdlist); free(offsets); @@ -3701,6 +3706,8 @@ out: exit(0); release: + if (located_backup) + free(backup_file); free(fdlist); free(offsets); if (orig_level != UnSet && sra) { @@ -3839,6 +3846,7 @@ int reshape_container(char *container, char *devname, pr_err("Unable to initialize sysfs for %s\n", mdstat->devnm); rv = 1; + close_fd(&fd); break; } @@ -4717,6 +4725,7 @@ int Grow_restart(struct supertype *st, struct mdinfo *info, int *fdlist, unsigned long long *offsets; unsigned long long nstripe, ostripe; int ndata, odata; + int fd, backup_fd = -1; odata = info->array.raid_disks - info->delta_disks - 1; if (info->array.level == 6) @@ -4732,9 +4741,18 @@ int Grow_restart(struct supertype *st, struct mdinfo *info, int *fdlist, * been used */ old_disks = cnt; + + if (backup_file) { + backup_fd = open(backup_file, O_RDONLY); + if (!is_fd_valid(backup_fd)) { + pr_err("Can't open backup file %s : %s\n", + backup_file, strerror(errno)); + return -EINVAL; + } + } + for (i=old_disks-(backup_file?1:0); iss->store_super(st, fdlist[j]); st->ss->free_super(st); } + if (is_fd_valid(backup_fd)) + close_fd(&backup_fd); return 0; } + + if (is_fd_valid(backup_fd)) + close_fd(&backup_fd); + /* Didn't find any backup data, try to see if any * was needed. */