linux-kernel - Re: [PATCH next] vhost_task: after freeing vhost_task it should not be accessed in vhost_task

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Date: Wed,  1 May 2024 15:50:57 +0800
From: Hillf Danton <hdanton@...a.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: Mike Christie <michael.christie@...cle.com>,
	Edward Adam Davis <eadavis@...com>,
	syzbot+98edc2df894917b3431f@...kaller.appspotmail.com,
	jasowang@...hat.com,
	kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	syzkaller-bugs@...glegroups.com,
	virtualization@...ts.linux.dev
Subject: Re: [PATCH next] vhost_task: after freeing vhost_task it should not be accessed in vhost_task_fn

On Wed, 1 May 2024 02:01:20 -0400 Michael S. Tsirkin <mst@...hat.com>
> 
> and then it failed testing.
> 
So did my patch [1] but then the reason was spotted [2,3]

[1] https://lore.kernel.org/lkml/20240430110209.4310-1-hdanton@sina.com/
[2] https://lore.kernel.org/lkml/20240430225005.4368-1-hdanton@sina.com/
[3] https://lore.kernel.org/lkml/000000000000a7f8470617589ff2@google.com/