Re: [RFC PATCH] module: Introduce module unload taint tracking

From: Aaron Tomlin
Date: Tue Dec 21 2021 - 06:58:35 EST


On Mon 2021-12-13 16:16 +0100, Petr Mladek wrote:
> > I'm not so sure about this. We could gather such details already via Ftrace
> > (e.g. see load_module()). Personally, I'd prefer to maintain a simple list.
>
> Fair enough. It was just an idea. Simple list is a good start. We
> could always add more details if people find it useful.

Indeed we could.

> Also we should keep in mind that the default panic() message should
> be reasonably short. Only the last lines might be visible on screen.
> Serial consoles might be really slow.

Absolutely, I agree. This feature should be entirely optional. In fact, it
is likely only useful while reviewing the data via /proc/vmcore given the
potential amount of data generated, in addition to that seen in
panic_print_sys_info(), when explicitly enabled.


Kind regards,

--
Aaron Tomlin