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. Anyone from ubuntu know how to get the kernel stack traceback without setting up a serial console? It seems to be completely broken by running the graphical login on tty0. > > > > 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 Yes, I'm building with that commented out. But the system has decided to do a full build. I suspect it might need inode->i_private = NULL; But that might lead to a NULL pointer deref elsewhere. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
