linux-kernel - Re: xen/evtchn.c: Interrupt for port 32, but apparently not enabled; per-user 0000000012b765d1

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

Message-ID: <bf1f5bfa-446c-4aea-a092-8cd9e7a786c3@suse.com>
Date: Wed, 24 Jul 2024 15:55:40 +0200
From: Juergen Gross <jgross@...e.com>
To: James Dingwall <james@...gwall.me.uk>, linux-kernel@...r.kernel.org
Subject: Re: xen/evtchn.c: Interrupt for port 32, but apparently not enabled;
 per-user 0000000012b765d1

On 24.07.24 15:25, James Dingwall wrote:
> Hi,
> 
> I have built a kernel derived from Ubuntu's Ubuntu-hwe-6.8-6.8.0-40.40_22.04.1
> tag.  The logs are quiet until I start the first guest which has two network
> cards passed through.  At this point the kernel log gets flooded with the
> warning below.  This appears to the same warning which this commit was
> supposed to suppress:
> 
> 51c23bd691c0f1fb95b29731c356c6fd69925d17: xen/evtchn: avoid WARN() when unbinding an event channel
> 
> The tag already includes that commit and in my config:
> 
> $ grep CONFIG_DEBUG_SHIRQ /boot/config-6.8.0-40-generic
> # CONFIG_DEBUG_SHIRQ is not set
> 
> Could there be a related change which also needs to be picked or is there
> the possibility that there is another trigger?

As the original reporter of the issue tested the patch to fix it,
there seems to be another trigger. :-(


Juergen

Download attachment "OpenPGP_0xB0DE9DD628BF132F.asc" of type "application/pgp-keys" (3684 bytes)

Download attachment "OpenPGP_signature.asc" of type "application/pgp-signature" (496 bytes)