Re: [syzbot] kernel BUG in kvm_read_guest_offset_cached

[Paolo Bonzini]

On 11/24/21 12:18, Vitaly Kuznetsov wrote:
> > syzbot found the following issue on:
> >
> > HEAD commit:    4c388a8e740d Merge tag 'zstd-for-linus-5.16-rc1' of git://..
> > git tree:       upstream
> > console output:https://syzkaller.appspot.com/x/log.txt?x=171ff6eeb00000
> > kernel config:https://syzkaller.appspot.com/x/.config?x=6d3b8fd1977c1e73
> > dashboard link:https://syzkaller.appspot.com/bug?extid=7b7db8bb4db6fd5e157b
> > compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> >
> > Unfortunately, I don't have any reproducer for this issue yet.
> No worries, I think I do.

FWIW I have already posted a patch.  Thanks for the reproducer though!

Paolo