Ktag - Operation Not Allowed

At first glance, this error seems obscure. It doesn't appear in standard user-space application logs, nor is it commonly discussed in beginner Linux forums. However, for those working with advanced memory management, kernel debugging, or specialized filesystems, this error represents a critical permission or state mismatch within the kernel's tagging mechanism.

: ubiupdatevol , ubimkvol , or even a simple cp on a mounted UBIFS partition. ktag operation not allowed

: A process without CAP_MAC_ADMIN or CAP_SYS_ADMIN tries to modify security tags on a file or socket. At first glance, this error seems obscure