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Re: SanDisk USB stick problem

On Thu, 2020-12-10 at 10:56 +0100, tomas@tuxteam.de wrote:
> On Thu, Dec 10, 2020 at 09:00:39AM +0000, Tixy wrote:
> > On Thu, 2020-12-10 at 08:53 +0000, Tixy wrote:
> > > Perhaps your USB stick is formatted with exFAT (which only gained
> > > kernel support this year) and me and Celejar are using older
> > > FAT/VFAT/FAT32 (I am). That would explain our different
> > > experiences
> > > with fuse getting involved.
> > 
> > I just saw from you other replies that you're on Debian unstable,
> > so
> > your kernel does have exFAT support. There must be something more
> > complicated going on then for your system to chose to use fuse to
> > mount
> > the USB stick.
> I think the tencency is to mount untrusted file systems over FUSE,
> due to the realisation that file system code wasn't designed with
> malicious file system images in mind (remember? the time that code
> got written, you had one hard disk firmly screwed into your beige
> box computer), and on the hope that something exploding in user
> space might be less devastating that having it explode in kernel
> space...

I can see there is good reasoning in that, perhaps that reasoning has
been implemented by the components in Debian Bullseye. Does seem a
little perverse though if it should be implemented just after Linux
gains an exFAT kernel driver, a filesystem that only really exists for
interoperability between devices (i.e. those that will be removable


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