Re: [PATCH] exec: Make sure task->comm is always NUL-terminated

[Linus Torvalds]

On Sat, 30 Nov 2024 at 13:05, Kees Cook <kees@xxxxxxxxxx> wrote:
>
> Yeah, this just means it has greater potential to be garbled.

Garbled is fine. Id' just rather it be "consistently padded".

> This is fine, but it doesn't solve either an unstable source nor
> concurrent writers to dest.

Yeah, I guess concurrent writers will also cause possibly inconsistent padding.

Maybe we just don't care. As long as it's NUL-terminated, it's a
string. If somebody is messing with the kernel, they get to the
garbled string parts.

           Linus