On 30.06.2025 14:36, Pranav Tyagi wrote: ... snip ... > > > spin_unlock(&mp->m_sb_lock); > > > > > > if (copy_to_user(user_label, label, sizeof(label))) > > > -- > > > 2.49.0 > > > > > Hi, > > Thank you for the feedback. I understand that my patch is incorrect and > it causes a buffer overrun. The destination buffer is indeed, already, null > terminated. Would you like me to send a corrected patch which uses > strscpy() (as strncpy() is deprecated)? > If the destination buffer is already NUL terminated, you can use either strtomem or strtomem_pad [0]. [0]: https://docs.kernel.org/core-api/kernel-api.html#c.strncpy (Description) > Regret the inconvenience. > > Regards > Pranav Tyagi > -- Regards, listout