On Sat, 28 Sep 2024 14:39:45 -0700 Kees Cook <[email protected]> wrote:
> On Sat, Sep 28, 2024 at 02:35:32PM -0700, Andrew Morton wrote: > > On Sat, 28 Sep 2024 14:08:31 -0700 Kees Cook <[email protected]> wrote: > > > > > The 'comm' member will always be NUL terminated, > > > > Why is this? I thought this is only true if the caller holds task_lock()? > > Because it's always written with strscpy_pad(). The final byte will > always be NUL. (And this has been true for a very long time.) So why does __get_task_comm() need to take task_lock()?
