From patchwork Fri Jul 26 07:14:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Ni X-Patchwork-Id: 13742418 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 E8CD2176235 for ; Fri, 26 Jul 2024 07:14:35 +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=1721978077; cv=none; b=f633o5XuCh3qegxBbqwMsy30uhPPxTe0YASrpgmYCp+rUwBdDUrfVyM9PQbeIB9S7U2sLKwCjfsX1oqFjn8SU0mNAVAnbO9Os5m6XQ4VvtwgnWmoeCEf2Tf1c/6Uii0cYDYo8JEYMH/dVcBZUSEsiTyAhRDxUh16A8Mye1yRFcY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721978077; c=relaxed/simple; bh=cSOX5y1/l3UQBicevscDgtDNkzUyHEXhlcSiOUka1VA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kFFRdz/Ri4TuTyxeMlnRRDck4hIAok1CW/KJkIfF+Y4Zf72QNhvgZq3W8yUVbeLs/hZebpxJ64iUJcVM3EdJ5lYdSCGwaZOyFGYQ+1TlY/cwVh2hhAATntLl0H610VZenxHQG8x/qE5pcAmeV8G2/PoS7ryBOT98DViS+Uy9vU8= 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=enV8m+Tz; 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="enV8m+Tz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721978074; 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=gZbZS+8U930KI0ROygojYwvXETsd6lrIE5jyhVbx7V4=; b=enV8m+TztChEBLMIErpbe9EZ+v5tBtKAri1y3SGYgv0q9ip98BtHiv6F7HJ1j33VKTgqDd vfZ6d32Uw/mYzs62WpfQFPB7dkPwPWZHcMMXgAc8rafZxBMrFT0fujSFy0tUsEhTtD5biU xMM4dQ/QpIVj1UruG9cafy+MTF6/IPU= Received: from mx-prod-mc-03.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-542-g3OYB7N-NzewDikYpFDu_A-1; Fri, 26 Jul 2024 03:14:30 -0400 X-MC-Unique: g3OYB7N-NzewDikYpFDu_A-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id F05C81955D44; Fri, 26 Jul 2024 07:14:28 +0000 (UTC) Received: from localhost.localdomain (unknown [10.72.120.28]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6634319560AE; Fri, 26 Jul 2024 07:14:25 +0000 (UTC) From: Xiao Ni To: mariusz.tkaczyk@linux.intel.com Cc: ncroxon@redhat.com, linux-raid@vger.kernel.org Subject: [PATCH 02/14] mdadm/Grow: fix coverity issue RESOURCE_LEAK Date: Fri, 26 Jul 2024 15:14:04 +0800 Message-Id: <20240726071416.36759-3-xni@redhat.com> In-Reply-To: <20240726071416.36759-1-xni@redhat.com> References: <20240726071416.36759-1-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 10.30.177.12 Fix some resource leak problems. Signed-off-by: Xiao Ni --- Grow.c | 42 +++++++++++++++++++++++++++++++----------- 1 file changed, 31 insertions(+), 11 deletions(-) diff --git a/Grow.c b/Grow.c index 7ae967bda067..907a6e1b9e22 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 +3635,7 @@ started: fd, sra, &reshape, st, blocks, fdlist, offsets, d - odisks, fdlist + odisks, offsets + odisks); + close_fd(&fd); free(fdlist); free(offsets); @@ -3701,6 +3705,8 @@ out: exit(0); release: + if (located_backup) + free(backup_file); free(fdlist); free(offsets); if (orig_level != UnSet && sra) { @@ -3839,6 +3845,7 @@ 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 +4724,7 @@ 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 +4740,18 @@ 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); } + close_fd(&backup_fd); return 0; } + + close_fd(&backup_fd); + /* Didn't find any backup data, try to see if any * was needed. */