On Fri, Nov 11, 2022 at 12:29 PM Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote: > > On Fri, Nov 11, 2022 at 09:28:52AM -0600, Allen Webb wrote: > > USB devices support the authorized attribute which can be used by > > user-space to implement trust-based systems for enabling USB devices. It > > would be helpful when building these systems to be able to know in > > advance which kernel drivers (or modules) are reachable from a > > particular USB device. > > > > This information is readily available for external modules in > > modules.alias. However, builtin kernel modules are not covered. This > > patch adds a sys-fs attribute to both builtin and loaded modules > > exposing the matching rules in the modalias format for integration > > with tools like USBGuard. > > > > Signed-off-by: Allen Webb <allenwebb@xxxxxxxxxx> > > Thanks for the patch Allen! > > I'd rather have something generic though, and it would seem kmod [0] already > does this, have you seen the kmod support for builtin.alias.bin > > Can't that be used? Probably, but I don't see the builtin.alias.bin in my build. Is it experimental? > > [0] git://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git > > Luis