linux-kernel - Re: possible deadlock in sidtab_sid2str

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Message-ID: <CAHC9VhTHUjdYujta-bOd=AG+XLic6rAZbp2sEpC86vVnpkmBVA@mail.gmail.com>
Date:   Tue, 28 Jan 2020 12:29:19 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Ondrej Mosnacek <omosnace@...hat.com>
Cc:     Stephen Smalley <sds@...ho.nsa.gov>,
        Jeff Vander Stoep <jeffv@...gle.com>,
        Eric Paris <eparis@...isplace.org>,
        Jann Horn <jannh@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        SElinux list <selinux@...r.kernel.org>,
        syzkaller-bugs@...glegroups.com,
        syzbot <syzbot+61cba5033e2072d61806@...kaller.appspotmail.com>
Subject: Re: possible deadlock in sidtab_sid2str_put

On Tue, Jan 28, 2020 at 11:31 AM Ondrej Mosnacek <omosnace@...hat.com> wrote:
> ... the current rawhide 5.5.0-1 kernel seems to have some bug
> that prevents it from booting on anything with more than one core.
> I'll see if I can work around it somehow...

I'm not sure how you are building your kernels, but gcc v10 is causing
a lot of problems, I would suggest compiling with an earlier gcc for
the near future until things get sorted (I'm doing the kernel-secnext
builds on stable Fedora, not Rawhide, for now).

-- 
paul moore
www.paul-moore.com