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-rw-r--r--fs/udf/inode.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index c9b4df5810d5..5bc71d9a674a 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1489,6 +1489,20 @@ reread:
}
inode->i_generation = iinfo->i_unique;
+ /* 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)
+ goto out;
+ /* File in ICB has to fit in there... */
+ if (inode->i_size > inode->i_sb->s_blocksize -
+ udf_file_entry_alloc_offset(inode))
+ goto out;
+ }
+
switch (fe->icbTag.fileType) {
case ICBTAG_FILE_TYPE_DIRECTORY:
inode->i_op = &udf_dir_inode_operations;

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