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-rw-r--r--fs/ext4/xattr.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 69a1b8c6a2ec..a2f04a3808db 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -482,11 +482,12 @@ ext4_xattr_inode_verify_hashes(struct inode *ea_inode,
*/
e_hash = ext4_xattr_hash_entry_signed(entry->e_name, entry->e_name_len,
&tmp_data, 1);
- if (e_hash == entry->e_hash)
- return 0;
-
/* Still no match - bad */
- return -EFSCORRUPTED;
+ if (e_hash != entry->e_hash)
+ return -EFSCORRUPTED;
+
+ /* Let people know about old hash */
+ pr_warn_once("ext4: filesystem with signed xattr name hash");
}
return 0;
}
@@ -3096,7 +3097,7 @@ static __le32 ext4_xattr_hash_entry(char *name, size_t name_len, __le32 *value,
while (name_len--) {
hash = (hash << NAME_HASH_SHIFT) ^
(hash >> (8*sizeof(hash) - NAME_HASH_SHIFT)) ^
- *name++;
+ (unsigned char)*name++;
}
while (value_count--) {
hash = (hash << VALUE_HASH_SHIFT) ^