Re: [PATCH] kmod: make request_module() return an error when autoloading is disabled

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On Wed, Mar 11, 2020 at 10:41:34AM -0700, Eric Biggers wrote:
> On Wed, Mar 11, 2020 at 10:28:07AM -0700, Kees Cook wrote:
> > On Tue, Mar 10, 2020 at 03:37:31PM -0700, Eric Biggers wrote:
> > > From: Eric Biggers <ebiggers@xxxxxxxxxx>
> > > 
> > > It's long been possible to disable kernel module autoloading completely
> > > by setting /proc/sys/kernel/modprobe to the empty string.  This can be
> > 
> > Hunh. I've never seen that before. :) I've always used;
> > 
> > echo 1 > /proc/sys/kernel/modules_disabled
> > 
> > Regardless,
> > 
> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > 
> 
> modules_disabled is different because it disables *all* module loading, not just
> autoloading.

Clarifying this on your patch would be useful, otherwise its lost
tribal knowledge.

 LUis



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