diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 5701f816faf47e30975b4d2a46baeb6d21c05a38..0b1ab016fa2e513589c004373323c376af1de9ba 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -914,6 +914,14 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) if (rc < 0) goto out; } + + /* + * mode change is for clearing setuid/setgid bits. Allow lower fs + * to interpret this in its own way. + */ + if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) + ia->ia_valid &= ~ATTR_MODE; + rc = notify_change(lower_dentry, ia); out: fsstack_copy_attr_all(inode, lower_inode, NULL);