linux-kernel - Re: possible deadlock in rdma_destroy

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Message-ID: <20201120183242.GR244516@ziepe.ca>
Date:   Fri, 20 Nov 2020 14:32:42 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     syzbot <syzbot+76c931ae5fdee51fff5b@...kaller.appspotmail.com>
Cc:     dledford@...hat.com, leon@...nel.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, parav@...lanox.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: possible deadlock in rdma_destroy_id

On Fri, Nov 20, 2020 at 07:15:21AM -0800, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    20529233 Add linux-next specific files for 20201118
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=124ae36e500000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=2c4fb58b6526b3c1
> dashboard link: https://syzkaller.appspot.com/bug?extid=76c931ae5fdee51fff5b
> compiler:       gcc (GCC) 10.1.0-syz 20200507
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+76c931ae5fdee51fff5b@...kaller.appspotmail.com

#syz dup: possible deadlock in _destroy_id