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Diffstat (limited to 'fs/attr.c')
-rw-r--r--fs/attr.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/attr.c b/fs/attr.c
index 966b73e25f82..26c71ba1eed4 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -51,7 +51,7 @@ int inode_change_ok(struct inode *inode, struct iattr *attr)
}
/* Check for setting the inode time. */
- if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
+ if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)) {
if (!is_owner_or_cap(inode))
goto error;
}
@@ -108,6 +108,11 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
struct timespec now;
unsigned int ia_valid = attr->ia_valid;
+ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ }
+
now = current_fs_time(inode->i_sb);
attr->ia_ctime = now;