diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/udf/inode.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 47cacfd2c9af..6ba11cdfbc0b 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1495,6 +1495,24 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint); } + /* Sanity checks for files in ICB so that we don't get confused later */ + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + /* + * For file in ICB data is stored in allocation descriptor + * so sizes should match + */ + if (iinfo->i_lenAlloc != inode->i_size) { + make_bad_inode(inode); + return; + } + /* File in ICB has to fit in there... */ + if (inode->i_size > inode->i_sb->s_blocksize - + udf_file_entry_alloc_offset(inode)) { + make_bad_inode(inode); + return; + } + } + switch (fe->icbTag.fileType) { case ICBTAG_FILE_TYPE_DIRECTORY: inode->i_op = &udf_dir_inode_operations; |