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From: syzbot <syzbot+42a71c84ef04577f1aef@syzkaller.appspotmail.com>
To: bp@alien8.de, bp@suse.de, dave.hansen@intel.com, hpa@zytor.com,
	jmattson@google.com, joro@8bytes.org,
	kirill.shutemov@linux.intel.com, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, lstoakes@gmail.com,
	mingo@redhat.com, pbonzini@redhat.com, seanjc@google.com,
	syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
	vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
Subject: Re: general protection fault in vmx_vcpu_run (2)
Date: Tue, 23 Feb 2021 15:17:07 -0800	[thread overview]
Message-ID: <00000000000004e7d105bc091e06@google.com> (raw)
In-Reply-To: <0000000000007ff56205ba985b60@google.com>

syzbot has bisected this issue to:

commit 167dcfc08b0b1f964ea95d410aa496fd78adf475
Author: Lorenzo Stoakes <lstoakes@gmail.com>
Date:   Tue Dec 15 20:56:41 2020 +0000

    x86/mm: Increase pgt_buf size for 5-level page tables

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13fe3ea8d00000
start commit:   a99163e9 Merge tag 'devicetree-for-5.12' of git://git.kern..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10013ea8d00000
console output: https://syzkaller.appspot.com/x/log.txt?x=17fe3ea8d00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=49116074dd53b631
dashboard link: https://syzkaller.appspot.com/bug?extid=42a71c84ef04577f1aef
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=141f3f04d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17de4f12d00000

Reported-by: syzbot+42a71c84ef04577f1aef@syzkaller.appspotmail.com
Fixes: 167dcfc08b0b ("x86/mm: Increase pgt_buf size for 5-level page tables")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  parent reply	other threads:[~2021-02-23 23:25 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05 15:20 general protection fault in vmx_vcpu_run (2) syzbot
2021-02-23  8:56 ` syzbot
2021-02-23 23:17 ` syzbot [this message]
2021-02-24 12:27   ` Borislav Petkov
2021-02-24 17:12     ` Dmitry Vyukov
2021-02-24 17:49       ` Borislav Petkov
2021-02-24 18:07         ` Sean Christopherson
2021-02-25 14:16           ` Dmitry Vyukov
2021-02-25 20:25             ` Sean Christopherson
2021-02-25 14:14         ` Dmitry Vyukov
2023-07-10 22:30 ` Sean Christopherson
2023-07-10 22:50   ` [syzbot] [kvm?] " syzbot
2023-07-10 23:39     ` Sean Christopherson

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