Message ID | 20240319113325.3110393-9-libaokun1@huawei.com |
---|---|
State | New |
Headers | show
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Tue, 19 Mar 2024 19:32:13 +0800 From: Baokun Li <libaokun1@huawei.com> To: <linux-ext4@vger.kernel.org> CC: <tytso@mit.edu>, <adilger.kernel@dilger.ca>, <jack@suse.cz>, <ritesh.list@gmail.com>, <ojaswin@linux.ibm.com>, <adobriyan@gmail.com>, <linux-kernel@vger.kernel.org>, <yi.zhang@huawei.com>, <yangerkun@huawei.com>, <libaokun1@huawei.com> Subject: [PATCH v4 8/9] ext4: set the type of max_zeroout to unsigned int to avoid overflow Date: Tue, 19 Mar 2024 19:33:24 +0800 Message-ID: <20240319113325.3110393-9-libaokun1@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240319113325.3110393-1-libaokun1@huawei.com> References: <20240319113325.3110393-1-libaokun1@huawei.com> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: <linux-ext4.vger.kernel.org> List-Subscribe: <mailto:linux-ext4+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-ext4+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500021.china.huawei.com (7.185.36.21) |
Series |
ext4: avoid sysfs variables overflow causing BUG_ON/SOOB
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expand
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diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index e57054bdc5fd..e067f2dd0335 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3402,9 +3402,10 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, struct ext4_extent *ex, *abut_ex; ext4_lblk_t ee_block, eof_block; unsigned int ee_len, depth, map_len = map->m_len; - int allocated = 0, max_zeroout = 0; int err = 0; int split_flag = EXT4_EXT_DATA_VALID2; + int allocated = 0; + unsigned int max_zeroout = 0; ext_debug(inode, "logical block %llu, max_blocks %u\n", (unsigned long long)map->m_lblk, map_len);