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-rw-r--r--fs/udf/directory.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 0a98a2369738..d9523013096f 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -141,10 +141,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
fibh->ebh->b_data,
sizeof(struct fileIdentDesc) + fibh->soffset);
- fi_len = (sizeof(struct fileIdentDesc) +
- cfi->lengthFileIdent +
- le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
-
+ fi_len = udf_dir_entry_len(cfi);
*nf_pos += fi_len - (fibh->eoffset - fibh->soffset);
fibh->eoffset = fibh->soffset + fi_len;
} else {
@@ -152,6 +149,9 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
sizeof(struct fileIdentDesc));
}
}
+ /* Got last entry outside of dir size - fs is corrupted! */
+ if (*nf_pos > dir->i_size)
+ return NULL;
return fi;
}