linux-kernel - Re: INFO: task hung in _destroy

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Message-ID: <20210916183656.GS3544071@ziepe.ca>
Date:   Thu, 16 Sep 2021 15:36:56 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Hao Sun <sunhao.th@...il.com>
Cc:     dledford@...hat.com, linux-rdma@...r.kernel.org, leon@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: INFO: task hung in _destroy_id

On Fri, Sep 03, 2021 at 03:44:54PM +0800, Hao Sun wrote:
> Hello,
> 
> When using Healer to fuzz the latest Linux kernel, the following crash
> was triggered.
> 
> HEAD commit: 9e9fb7655ed58-Merge tag 'net-next-5.15'
> git tree: upstream
> console output:
> https://drive.google.com/file/d/19ZvzEBJnFYlQJIn-TklSjE9ZWsxoEF7X/view?usp=sharing
> kernel config: https://drive.google.com/file/d/1zgxbwaYkrM26KEmJ-5sUZX57gfXtRrwA/view?usp=sharing
> 
> Sorry, I don't have a reproducer for this crash, hope the symbolized
> report can help.
> If you fix this issue, please add the following tag to the commit:
> Reported-by: Hao Sun <sunhao.th@...il.com>

I think this is probably fixed by this:

https://lore.kernel.org/r/20210913093344.17230-1-thomas.liu@ucloud.cn

Jason