diff options
Diffstat (limited to 'fs/ntfs3/xattr.c')
| -rw-r--r-- | fs/ntfs3/xattr.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index 4bf14cff2683..e519e21596a7 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -552,6 +552,10 @@ struct posix_acl *ntfs_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, int err; void *buf; + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ni))) + return ERR_PTR(-EINVAL); + /* Allocate PATH_MAX bytes. */ buf = __getname(); if (!buf) @@ -600,6 +604,10 @@ static noinline int ntfs_set_acl_ex(struct mnt_idmap *idmap, int flags; umode_t mode; + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ntfs_i(inode)))) + return -EINVAL; + if (S_ISLNK(inode->i_mode)) return -EOPNOTSUPP; @@ -730,6 +738,10 @@ ssize_t ntfs_listxattr(struct dentry *dentry, char *buffer, size_t size) struct ntfs_inode *ni = ntfs_i(inode); ssize_t ret; + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ni))) + return -EINVAL; + if (!(ni->ni_flags & NI_FLAG_EA)) { /* no xattr in file */ return 0; @@ -751,6 +763,10 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, int err; struct ntfs_inode *ni = ntfs_i(inode); + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ni))) + return -EINVAL; + if (unlikely(ntfs3_forced_shutdown(inode->i_sb))) return -EIO; |