linux-kernel - Re: [syzbot] WARNING in vcpu_enter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Y1llf2N3sx1bqWYa@google.com>
Date:   Wed, 26 Oct 2022 16:51:11 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     syzbot <syzbot+dbef12497aa912c8e7ba@...kaller.appspotmail.com>,
        bp@...en8.de, dave.hansen@...ux.intel.com, hpa@...or.com,
        jarkko@...nel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sgx@...r.kernel.org,
        mingo@...hat.com, pbonzini@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] WARNING in vcpu_enter_guest (2)

On Wed, Oct 26, 2022, Dmitry Vyukov wrote:
> On Tue, 25 Oct 2022 at 19:08, syzbot
> <syzbot+dbef12497aa912c8e7ba@...kaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:    4dc12f37a8e9 Merge tag 'platform-drivers-x86-v6.1-2' of gi..
> > git tree:       upstream
> > console+strace: https://syzkaller.appspot.com/x/log.txt?x=113363d2880000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8
> > dashboard link: https://syzkaller.appspot.com/bug?extid=dbef12497aa912c8e7ba
> > compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=132e84fc880000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10a872f2880000
> >
> > Downloadable assets:
> > disk image: https://storage.googleapis.com/syzbot-assets/7858e54948b9/disk-4dc12f37.raw.xz
> > vmlinux: https://storage.googleapis.com/syzbot-assets/f37bd48d06dc/vmlinux-4dc12f37.xz
> > kernel image: https://storage.googleapis.com/syzbot-assets/98114f50afb3/bzImage-4dc12f37.xz
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: syzbot+dbef12497aa912c8e7ba@...kaller.appspotmail.com
> 
> This will be fixed by the following commit, right?

Yep, thanks!

> #syz fix:
> KVM: x86: Exempt pending triple fault from event injection sanity check
> 
> https://lore.kernel.org/all/20220930230008.1636044-1-seanjc@google.com/