From: Andrew Cooper <andrew.cooper3@citrix.com>
To: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Andy Lutomirski" <luto@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>, linux-kernel@vger.kernel.org
Subject: Re: Xen PV dom0 "tried to execute NX-protected page" when running nested in KVM - 6.15 regression
Date: Thu, 19 Jun 2025 12:31:22 +0100 [thread overview]
Message-ID: <2c24aca9-5e67-4c0f-b890-92a0ad8e1975@citrix.com> (raw)
In-Reply-To: <aFPzXVl1pn1LtwoJ@mail-itl>
On 19/06/2025 12:24 pm, Marek Marczykowski-Górecki wrote:
> Hi,
>
> With Linux 6.15.2 I got a crash like below. It worked fine with Linux
> 6.14.11. Furthermore, the failure seems to be hardware-dependent. It
> happens when running on Intel Core i9-13900H, but does not happen when
> running on Intel Xeon E5-2620v4 (in both cases QEMU uses -cpu host).
Yes, it's a known regression in Linux's ITS / CVE-2024-28956 patches.
https://lore.kernel.org/lkml/20250603111446.2609381-1-rppt@kernel.org/
It's hardware-dependent because so is Indirect Target Selection.
~Andrew
prev parent reply other threads:[~2025-06-19 11:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-19 11:24 Marek Marczykowski-Górecki
2025-06-19 11:31 ` Andrew Cooper [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2c24aca9-5e67-4c0f-b890-92a0ad8e1975@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=dave.hansen@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=marmarek@invisiblethingslab.com \
--cc=peterz@infradead.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®