RE: Oops (probably) unmounting /oldroot/firmware/efi/efivars.

[David Laight]

From: Ard Biesheuvel
> Sent: 24 November 2020 14:24
> 
> On Tue, 24 Nov 2020 at 15:22, David Laight <David.Laight@xxxxxxxxxx> wrote:
> >
> > I've just updated to the head of Linus's tree (5.10-rc5) and got the following
> > 'splat' during shutdown.
> >
> > Userspace is Ubuntu 20.04.
> >
> > rc4 rebooted fine.
> >
> > I'll try to bisect - but it isn't quick.
> >
> 
> Surely caused by
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/efivarfs?id=fe5186cf12e30
> facfe261e9be6c7904a170bd822

Yep, reboots fine with that kfree() commented out.

	David

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