add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/fs/reiserfs/xattr_security.c
..
..
@@ -11,7 +11,8 @@
11
11
 
12
12
 static int
13
13
 security_get(const struct xattr_handler *handler, struct dentry *unused,
14
-	     struct inode *inode, const char *name, void *buffer, size_t size)
14
+	     struct inode *inode, const char *name, void *buffer, size_t size,
15
+	     int flags)
15
16
 {
16
17
 	if (IS_PRIVATE(inode))
17
18
 		return -EPERM;
..
..
@@ -49,6 +50,7 @@
49
50
 	int error;
50
51
 
51
52
 	sec->name = NULL;
53
+	sec->value = NULL;
52
54
 
53
55
 	/* Don't add selinux attributes on xattrs - they'll never get used */
54
56
 	if (IS_PRIVATE(dir))
..
..
@@ -80,11 +82,15 @@
80
82
 			    struct inode *inode,
81
83
 			    struct reiserfs_security_handle *sec)
82
84
 {
85
+	char xattr_name[XATTR_NAME_MAX + 1] = XATTR_SECURITY_PREFIX;
83
86
 	int error;
84
-	if (strlen(sec->name) < sizeof(XATTR_SECURITY_PREFIX))
87
+
88
+	if (XATTR_SECURITY_PREFIX_LEN + strlen(sec->name) > XATTR_NAME_MAX)
85
89
 		return -EINVAL;
86
90
 
87
-	error = reiserfs_xattr_set_handle(th, inode, sec->name, sec->value,
91
+	strlcat(xattr_name, sec->name, sizeof(xattr_name));
92
+
93
+	error = reiserfs_xattr_set_handle(th, inode, xattr_name, sec->value,
88
94
 					  sec->length, XATTR_CREATE);
89
95
 	if (error == -ENODATA || error == -EOPNOTSUPP)
90
96
 		error = 0;
..
..
@@ -94,7 +100,6 @@
94
100
 
95
101
 void reiserfs_security_free(struct reiserfs_security_handle *sec)
96
102
 {
97
-	kfree(sec->name);
98
103
 	kfree(sec->value);
99
104
 	sec->name = NULL;
100
105
 	sec->value = NULL;