netdev - Re: vhost: linux-next: crash at vhost_dev

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Message-ID: <ppjmgrtdfepjqvrnqo6xuuxipgu2s6edfboy3ymoe4h7cxr3qw@qtjxjnd7ocfr>
Date: Tue, 29 Jul 2025 02:10:30 -0700
From: Breno Leitao <leitao@...ian.org>
To: Jason Wang <jasowang@...hat.com>
Cc: Stefano Garzarella <sgarzare@...hat.com>, 
	Will Deacon <will@...nel.org>, "Michael S. Tsirkin" <mst@...hat.com>, eperezma@...hat.com, 
	linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org, Stefan Hajnoczi <stefanha@...hat.com>, 
	netdev@...r.kernel.org
Subject: Re: vhost: linux-next: crash at vhost_dev_cleanup()

Hello Jason,

On Tue, Jul 29, 2025 at 03:44:49PM +0800, Jason Wang wrote:
> On Thu, Jul 24, 2025 at 9:50 PM Breno Leitao <leitao@...ian.org> wrote:
> > > The initial report contained only vhost_vsock traces IIUC, so I'm
> > > suspecting something in the vhost core.
> >
> > Right, it seems we are hitting the same code path, on on both
> > vhost_vsock and vhost_net.
> >
> 
> I've posted a fix here:
> 
> https://lore.kernel.org/virtualization/20250729073916.80647-1-jasowang@redhat.com/T/#u
> 
> I think it should address this issue.

yes, it does. I've tested the fix on my machine and I was not able to
reproduce the error at all.

Thanks for the fix,
--breno