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| /openbmc/linux/fs/ext4/ |
| H A D | xattr.h | 179b1415 Wed Jun 15 21:13:55 CDT 2022 Baokun Li <libaokun1@huawei.com> ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h
When adding an xattr to an inode, we must ensure that the inode_size is
not less than EXT4_GOOD_OLD_INODE_SIZE + extra_isize + pad. Otherwise,
the end position may be greater than the start position, resulting in UAF.
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220616021358.2504451-2-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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