Re: [PATCH next] vhost_task: after freeing vhost_task it should not be accessed in vhost_task_fn

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To: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Subject: Re: [PATCH next] vhost_task: after freeing vhost_task it should not be accessed in vhost_task_fn
From: Hillf Danton <hdanton@xxxxxxxx>
Date: Wed, 1 May 2024 15:50:57 +0800
Cc: Mike Christie <michael.christie@xxxxxxxxxx>, Edward Adam Davis <eadavis@xxxxxx>, syzbot+98edc2df894917b3431f@xxxxxxxxxxxxxxxxxxxxxxxxx, jasowang@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx
In-reply-to: <20240501020057-mutt-send-email-mst@kernel.org>
References: <b959b82a-510f-45c0-9e06-acf526c2f4a1@oracle.com> <20240501001544.1606-1-hdanton@sina.com>

On Wed, 1 May 2024 02:01:20 -0400 Michael S. Tsirkin <mst@xxxxxxxxxx>
> 
> 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@xxxxxxxx/
[2] https://lore.kernel.org/lkml/20240430225005.4368-1-hdanton@xxxxxxxx/
[3] https://lore.kernel.org/lkml/000000000000a7f8470617589ff2@xxxxxxxxxx/

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