From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yong Subject: [PATCH] f2fs: check total CP pack block count correctly Date: Wed, 1 Aug 2018 11:46:22 +0800 Message-ID: <20180801034622.162122-1-shengyong1@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1fki5z-0001Ta-Fu for linux-f2fs-devel@lists.sourceforge.net; Wed, 01 Aug 2018 03:46:43 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1fki5x-004taL-CB for linux-f2fs-devel@lists.sourceforge.net; Wed, 01 Aug 2018 03:46:43 +0000 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: jaegeuk@kernel.org, yuchao0@huawei.com Cc: miaoxie@huawei.com, tony.zhangxiaobo@huawei.com, linux-f2fs-devel@lists.sourceforge.net Fixes: 652d19558a347 ('f2fs: fix to do sanity check with block address in main area') Reported-by: Zhang Xiaobo Signed-off-by: Sheng Yong --- fs/f2fs/checkpoint.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 3587aa53dc90..c32ee10a1384 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -809,7 +809,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi, goto invalid_cp1; if (le32_to_cpu(cp_block->cp_pack_total_block_count) > - sbi->log_blocks_per_seg) { + sbi->blocks_per_seg - 1) { f2fs_msg(sbi->sb, KERN_WARNING, "invalid cp_pack_total_block_count:%u", le32_to_cpu(cp_block->cp_pack_total_block_count)); -- 2.17.1 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot