linux-kernel - Re: BUG: corrupted list in cma_listen_on

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Message-ID: <20200304135649.GE31668@ziepe.ca>
Date:   Wed, 4 Mar 2020 09:56:49 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     syzbot <syzbot+2b10b240fbbed30f10fb@...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,
        willy@...radead.org
Subject: Re: BUG: corrupted list in cma_listen_on_dev

On Tue, Mar 03, 2020 at 10:45:12PM -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=11123e65e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=5d2e033af114153f
> dashboard link: https://syzkaller.appspot.com/bug?extid=2b10b240fbbed30f10fb
> compiler:       clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10d3b329e00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16291291e00000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+2b10b240fbbed30f10fb@...kaller.appspotmail.com

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next