From patchwork Mon Oct 8 10:44:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10630379 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 914BF15E2 for ; Mon, 8 Oct 2018 10:44:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 82A0226E98 for ; Mon, 8 Oct 2018 10:44:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 76BA628A31; Mon, 8 Oct 2018 10:44:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1818C26E98 for ; Mon, 8 Oct 2018 10:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbeJHRzu (ORCPT ); Mon, 8 Oct 2018 13:55:50 -0400 Received: from mx2.suse.de ([195.135.220.15]:40896 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbeJHRzu (ORCPT ); Mon, 8 Oct 2018 13:55:50 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 36D27AF3C for ; Mon, 8 Oct 2018 10:44:43 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 1/5] btrfs-progs: lowmem check: Add check for overlapping dev extents Date: Mon, 8 Oct 2018 18:44:32 +0800 Message-Id: <20181008104436.19267-2-wqu@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181008104436.19267-1-wqu@suse.com> References: <20181008104436.19267-1-wqu@suse.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add such check at check_dev_item(), since at that timing we're also iterating dev extents for dev item accounting. Signed-off-by: Qu Wenruo --- check/mode-lowmem.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c index 1bce44f5658a..07c03cad77af 100644 --- a/check/mode-lowmem.c +++ b/check/mode-lowmem.c @@ -4065,6 +4065,8 @@ static int check_dev_item(struct btrfs_fs_info *fs_info, u64 dev_id; u64 used; u64 total = 0; + u64 prev_devid = 0; + u64 prev_dev_ext_end = 0; int ret; dev_item = btrfs_item_ptr(eb, slot, struct btrfs_dev_item); @@ -4086,8 +4088,16 @@ static int check_dev_item(struct btrfs_fs_info *fs_info, return REFERENCER_MISSING; } - /* Iterate dev_extents to calculate the used space of a device */ + /* + * Iterate dev_extents to calculate the used space of a device + * + * Also make sure no dev extents overlap and end beyond device boundary + */ while (1) { + u64 devid; + u64 physical_offset; + u64 physical_len; + if (path.slots[0] >= btrfs_header_nritems(path.nodes[0])) goto next; @@ -4099,7 +4109,27 @@ static int check_dev_item(struct btrfs_fs_info *fs_info, ptr = btrfs_item_ptr(path.nodes[0], path.slots[0], struct btrfs_dev_extent); - total += btrfs_dev_extent_length(path.nodes[0], ptr); + devid = key.objectid; + physical_offset = key.offset; + physical_len = btrfs_dev_extent_length(path.nodes[0], ptr); + + if (prev_devid == devid && physical_offset < prev_dev_ext_end) { + error( +"dev extent devid %llu offset %llu len %llu overlap with previous dev extent end %llu", + devid, physical_offset, physical_len, + prev_dev_ext_end); + return ACCOUNTING_MISMATCH; + } + if (physical_offset + physical_len > total_bytes) { + error( +"dev extent devid %llu offset %llu len %llu is beyond device boundary %llu", + devid, physical_offset, physical_len, + total_bytes); + return ACCOUNTING_MISMATCH; + } + prev_devid = devid; + prev_dev_ext_end = physical_offset + physical_len; + total += physical_len; next: ret = btrfs_next_item(dev_root, &path); if (ret) From patchwork Mon Oct 8 10:44:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10630381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 83A4A15E8 for ; Mon, 8 Oct 2018 10:44:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 73BB626E98 for ; Mon, 8 Oct 2018 10:44:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 67F3C28A69; Mon, 8 Oct 2018 10:44:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9CA426E98 for ; Mon, 8 Oct 2018 10:44:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbeJHRzw (ORCPT ); Mon, 8 Oct 2018 13:55:52 -0400 Received: from mx2.suse.de ([195.135.220.15]:40906 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbeJHRzw (ORCPT ); Mon, 8 Oct 2018 13:55:52 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C43C3AEEF for ; Mon, 8 Oct 2018 10:44:45 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 2/5] btrfs-progs: original check: Add ability to detect bad dev extents Date: Mon, 8 Oct 2018 18:44:33 +0800 Message-Id: <20181008104436.19267-3-wqu@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181008104436.19267-1-wqu@suse.com> References: <20181008104436.19267-1-wqu@suse.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Unlike lowmem mode check, we don't have good place for original mode to check overlap dev extents. So this patch introduces a new function, btrfs_check_dev_extents(), to handle possible bad dev extents. Reported-by: Hans van Kranenburg Signed-off-by: Qu Wenruo --- check/main.c | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/check/main.c b/check/main.c index bc2ee22f7943..ff9a785ce555 100644 --- a/check/main.c +++ b/check/main.c @@ -8224,6 +8224,99 @@ out: return ret; } +/* + * Check if all dev extents are valid (not overlap nor beyond device + * boundary). + * + * Dev extents <-> chunk cross checking is already done in check_chunks(). + */ +static int check_dev_extents(struct btrfs_fs_info *fs_info) +{ + struct btrfs_path path; + struct btrfs_key key; + struct btrfs_root *dev_root = fs_info->dev_root; + int ret; + u64 prev_devid = 0; + u64 prev_dev_ext_end = 0; + + btrfs_init_path(&path); + + key.objectid = 1; + key.type = BTRFS_DEV_EXTENT_KEY; + key.offset = 0; + + ret = btrfs_search_slot(NULL, dev_root, &key, &path, 0, 0); + if (ret < 0) { + error("failed to search device tree: %s", strerror(-ret)); + goto out; + } + if (path.slots[0] >= btrfs_header_nritems(path.nodes[0])) { + ret = btrfs_next_leaf(dev_root, &path); + if (ret < 0) { + error("failed to find next leaf: %s", strerror(-ret)); + goto out; + } + if (ret > 0) { + ret = 0; + goto out; + } + } + + while (1) { + struct btrfs_dev_extent *dev_ext; + struct btrfs_device *dev; + u64 devid; + u64 physical_offset; + u64 physical_len; + + btrfs_item_key_to_cpu(path.nodes[0], &key, path.slots[0]); + if (key.type != BTRFS_DEV_EXTENT_KEY) + break; + dev_ext = btrfs_item_ptr(path.nodes[0], path.slots[0], + struct btrfs_dev_extent); + devid = key.objectid; + physical_offset = key.offset; + physical_len = btrfs_dev_extent_length(path.nodes[0], dev_ext); + + dev = btrfs_find_device(fs_info, devid, NULL, NULL); + if (!dev) { + error("failed to find device with devid %llu", devid); + ret = -EUCLEAN; + goto out; + } + if (prev_devid == devid && prev_dev_ext_end > physical_offset) { + error( +"dev extent devid %llu physical offset %llu overlap with previous dev extent end %llu", + devid, physical_offset, prev_dev_ext_end); + ret = -EUCLEAN; + goto out; + } + if (physical_offset + physical_len > dev->total_bytes) { + error( +"dev extent devid %llu physical offset %llu len %llu is beyond device boudnary %llu", + devid, physical_offset, physical_len, + dev->total_bytes); + ret = -EUCLEAN; + goto out; + } + prev_devid = devid; + prev_dev_ext_end = physical_offset + physical_len; + + ret = btrfs_next_item(dev_root, &path); + if (ret < 0) { + error("failed to find next leaf: %s", strerror(-ret)); + goto out; + } + if (ret > 0) { + ret = 0; + break; + } + } +out: + btrfs_release_path(&path); + return ret; +} + static int check_chunks_and_extents(struct btrfs_fs_info *fs_info) { struct rb_root dev_cache; @@ -8318,6 +8411,12 @@ again: goto out; } + ret = check_dev_extents(fs_info); + if (ret < 0) { + err = ret; + goto out; + } + ret = check_chunks(&chunk_cache, &block_group_cache, &dev_extent_cache, NULL, NULL, NULL, 0); if (ret) { From patchwork Mon Oct 8 10:44:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10630383 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0F36115E8 for ; Mon, 8 Oct 2018 10:44:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0104826E98 for ; Mon, 8 Oct 2018 10:44:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E986B28A34; Mon, 8 Oct 2018 10:44:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A614A26E98 for ; Mon, 8 Oct 2018 10:44:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727181AbeJHRzy (ORCPT ); Mon, 8 Oct 2018 13:55:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:40914 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbeJHRzy (ORCPT ); Mon, 8 Oct 2018 13:55:54 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 1783AAEEF for ; Mon, 8 Oct 2018 10:44:48 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 3/5] btrfs-progs: lowmem check: Add dev_item check for used bytes and total bytes Date: Mon, 8 Oct 2018 18:44:34 +0800 Message-Id: <20181008104436.19267-4-wqu@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181008104436.19267-1-wqu@suse.com> References: <20181008104436.19267-1-wqu@suse.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Obviously, used bytes can't be larger than total bytes. Signed-off-by: Qu Wenruo --- check/mode-lowmem.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c index 07c03cad77af..1173b963b8f3 100644 --- a/check/mode-lowmem.c +++ b/check/mode-lowmem.c @@ -4074,6 +4074,11 @@ static int check_dev_item(struct btrfs_fs_info *fs_info, used = btrfs_device_bytes_used(eb, dev_item); total_bytes = btrfs_device_total_bytes(eb, dev_item); + if (used > total_bytes) { + error("device %llu has incorrect used bytes %llu > total bytes %llu", + dev_id, used, total_bytes); + return ACCOUNTING_MISMATCH; + } key.objectid = dev_id; key.type = BTRFS_DEV_EXTENT_KEY; key.offset = 0; From patchwork Mon Oct 8 10:44:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10630385 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 38EF715E2 for ; Mon, 8 Oct 2018 10:44:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2876B26E98 for ; Mon, 8 Oct 2018 10:44:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1B04628A34; Mon, 8 Oct 2018 10:44:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C527826E98 for ; Mon, 8 Oct 2018 10:44:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727278AbeJHRz4 (ORCPT ); Mon, 8 Oct 2018 13:55:56 -0400 Received: from mx2.suse.de ([195.135.220.15]:40930 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbeJHRz4 (ORCPT ); Mon, 8 Oct 2018 13:55:56 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 377C7AEEF for ; Mon, 8 Oct 2018 10:44:50 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 4/5] btrfs-progs: original check: Add dev_item check for used bytes and total bytes Date: Mon, 8 Oct 2018 18:44:35 +0800 Message-Id: <20181008104436.19267-5-wqu@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181008104436.19267-1-wqu@suse.com> References: <20181008104436.19267-1-wqu@suse.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Qu Wenruo --- check/main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/check/main.c b/check/main.c index ff9a785ce555..12f12e18a83f 100644 --- a/check/main.c +++ b/check/main.c @@ -7938,6 +7938,12 @@ static int check_device_used(struct device_record *dev_rec, struct device_extent_record *dev_extent_rec; u64 total_byte = 0; + if (dev_rec->byte_used > dev_rec->total_byte) { + error("device %llu has incorrect used bytes %llu > total bytes %llu", + dev_rec->devid, dev_rec->byte_used, dev_rec->total_byte); + return -EUCLEAN; + } + cache = search_cache_extent2(&dext_cache->tree, dev_rec->devid, 0); while (cache) { dev_extent_rec = container_of(cache, From patchwork Mon Oct 8 10:44:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10630387 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 94C7115E2 for ; Mon, 8 Oct 2018 10:44:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 851C326E98 for ; Mon, 8 Oct 2018 10:44:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 796B528A31; Mon, 8 Oct 2018 10:44:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED24426E98 for ; Mon, 8 Oct 2018 10:44:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727360AbeJHR4A (ORCPT ); Mon, 8 Oct 2018 13:56:00 -0400 Received: from mx2.suse.de ([195.135.220.15]:40936 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726330AbeJHRz7 (ORCPT ); Mon, 8 Oct 2018 13:55:59 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 81181AEEF for ; Mon, 8 Oct 2018 10:44:52 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 5/5] btrfs-progs: fsck-tests: Add test image for dev extents beyond device boundary Date: Mon, 8 Oct 2018 18:44:36 +0800 Message-Id: <20181008104436.19267-6-wqu@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181008104436.19267-1-wqu@suse.com> References: <20181008104436.19267-1-wqu@suse.com> MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now two locations can detect such problem, either by device item used/total bytes check, or by early dev extents check against device boundary. The image is hand-crafted image which uses DATA SINGLE chunk to feed btrfs check. As expected, as long as block group item, chunk item, device used bytes matches, older btrfs check can't detect such problem. Signed-off-by: Qu Wenruo --- .../over_dev_boundary.img.xz | Bin 0 -> 1640 bytes tests/fsck-tests/036-bad-dev-extents/test.sh | 20 ++++++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 tests/fsck-tests/036-bad-dev-extents/over_dev_boundary.img.xz create mode 100755 tests/fsck-tests/036-bad-dev-extents/test.sh diff --git a/tests/fsck-tests/036-bad-dev-extents/over_dev_boundary.img.xz b/tests/fsck-tests/036-bad-dev-extents/over_dev_boundary.img.xz new file mode 100644 index 0000000000000000000000000000000000000000..47cb2a707b0097e369dc088ed0549f847995f136 GIT binary patch literal 1640 zcmV-u2ABE$H+ooF000E$*0e?f03iVu0001VFXf})3;zZsT>wRyj;C3^v%$$4d1oRm zhA1@4%tH=9jYF%IQSpIUKDpjXLRl?q4p$q;1zsY^#9_Lx=#tbGm>@S#e2aqt!?0}y z2BPO%4~c9Q5)jKFD7}DURarKL)`^j{f&YXRZFN7?s>sEHdzmSvX^98%kGi<&Wr9_8 zMnXynsC*B7}KE(6w>*wfdb|tw$kt^y>W+TB*?pon1P+)#u#?6bSIG)TooJx~u$# zf^+}xKw`BfI}6=717S~Q%LW1kwY`pz9H{`uNNNFOk2w!VauNEaMfoLj)Z<)!1?F60 zJ+OEA|4$a=9W#XX*l{EG!j^s}p| z0i#_%$Q}d)-EE8#8O5^x$&V$8Y0l2 zc19e0Et3O3m`pMOqEkasL8VGE+u~2lZn>sRCRj169Z6mQ3*+`D+C#F1V7POV%lx(9cB{WN*9OP%Zbd1VDn(S4HX^ad4-b~#H z@9eUP4AAU`)yRf!k+rrrLSYfBSEi6RE#HtbqyPl11S>RCH zqvJbt22t`FmU^tmTb+7LtpybCB-x1lGSlrpVQ9|6WNBs~q*M-to1gD1l41oiy~}+O?!{68Jvim2*%BznW)@B=3IH)Xi1795q{#>sF*y^0T2@b$`Wqwch&z?BgN}IR9Ui&GZjmedlGizBd0T z;!cs&L)hJFGsJmFaiUsYrN$c0^BLU^n-B%fagn+jR{?Dq+K%VyMG@pmAOShFY)k8zBxm@7YD zb^ZXU;<`+_B+IV{+A~1Ku zWggqWQd{E%hF}W2ArPwJ33zWP>MIe;YDN8WV+|+a4_c>yFN#ZGN00G#%3HYi z4pePTnc{8k5CjwuN6hudRFcBkvB^&y3;pSFufzaaD`-;mPgJ~wr(