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

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Date:   Mon, 9 Mar 2020 14:21:50 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     syzbot <syzbot+0abbad99bee187cf63d4@...kaller.appspotmail.com>
Cc:     chuck.lever@...cle.com, 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: INFO: task hung in rdma_destroy_id

On Mon, Mar 02, 2020 at 11:09:15AM -0800, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    63623fd4 Merge tag 'for-linus' of git://git.kernel.org/pub..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=160452c3e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=9833e26bab355358
> dashboard link: https://syzkaller.appspot.com/bug?extid=0abbad99bee187cf63d4
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+0abbad99bee187cf63d4@...kaller.appspotmail.com

#syz dup: KASAN: use-after-free Read in rdma_listen (2)