linux-kernel - Re: [REGRESSION][BISECTED] Some applications under Windows 11 libvirt VM crash since commit 408eb7417a92c5354c7be34f7425b305dfe30ad9

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: <Z8joDnLe-A3zdwu6@google.com>
Date: Wed, 5 Mar 2025 16:10:54 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: Miguel Ruiz <miguelies.ruiz@...il.com>, ravi.bangoria@....com, tglx@...utronix.de, 
	thomas.lendacky@....com, mingo@...hat.com, bp@...en8.de, 
	dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com, xin@...or.com, 
	tony.luck@...el.com, pawan.kumar.gupta@...ux.intel.com, 
	andriy.shevchenko@...ux.intel.com, jgross@...e.com, 
	linux-kernel@...r.kernel.org, regressions@...ts.linux.dev, 
	christian@...sel.eu, Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [REGRESSION][BISECTED] Some applications under Windows 11 libvirt
 VM crash since commit 408eb7417a92c5354c7be34f7425b305dfe30ad9

On Wed, Mar 05, 2025, Dave Hansen wrote:
> On 3/5/25 15:42, Dave Hansen wrote:
> > I'm also cc'ing the KVM folks. I don't actually know how the #GP from
> > the split lock detection will manifest to KVM guests. I'm kinda
> > surprised it crashes the guest app and doesn't do anything more noisy.
> 
> I've got my wires crossed somewhere. It's not a #GP, it's an #AC.

Heh, nope.  Third time's the charm.  It's a #DB.

I've got the fixes queued in kvm-x86 (and tagged for stable@), I'll make sure
they get to Linus' tree this week.

https://lore.kernel.org/all/20250227222411.3490595-1-seanjc@google.com