KASAN: slab-out-of-bounds Read in fbcon_get_font

[Dmitry Vyukov]

On Thu, Dec 5, 2019 at 11:13 AM Paolo Bonzini <pbonzini at redhat.com> wrote:
>
> On 04/12/19 22:41, syzbot wrote:
> > syzbot has bisected this bug to:
> >
> > commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31
> > Author: Russell Currey <ruscur at russell.cc>
> > Date:   Mon Feb 8 04:08:20 2016 +0000
> >
> >     powerpc/powernv: Remove support for p5ioc2
> >
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=127a042ae00000
> > start commit:   76bb8b05 Merge tag 'kbuild-v5.5' of
> > git://git.kernel.org/p..
> > git tree:       upstream
> > final crash:    https://syzkaller.appspot.com/x/report.txt?x=117a042ae00000
> > console output: https://syzkaller.appspot.com/x/log.txt?x=167a042ae00000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=dd226651cb0f364b
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=4455ca3b3291de891abc
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11181edae00000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=105cbb7ae00000
> >
> > Reported-by: syzbot+4455ca3b3291de891abc at syzkaller.appspotmail.com
> > Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2")
> >
> > For information about bisection process see:
> > https://goo.gl/tpsmEJ#bisection
> >
>
> Why is everybody being CC'd, even if the bug has nothing to do with the
> person's subsystem?

The To list should be intersection of 2 groups of emails: result of
get_maintainers.pl on the file identified as culprit in the crash
message + emails extracted from the bisected to commit.