From mboxrd@z Thu Jan  1 00:00:00 1970
From: Theodore Ts'o <tytso@mit.edu>
Subject: Re: CRASH : RCU detected stall
Date: Tue, 13 Jun 2017 13:30:44 -0400
Message-ID: <20170613173044.sdibg23cfvpwwxud@thunk.org>
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Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org,
        linux-kernel@vger.kernel.org, syzkaller@googlegroups.com
To: Ramin Farajpour Cami <ramin.blackhat@gmail.com>
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On Tue, Jun 13, 2017 at 07:35:37PM +0430, Ramin Farajpour Cami wrote:
> Hi,
> 
> I've got the following error report while fuzzing the kernel with syzkaller
> version (4.12-rc5)
> 
> https://groups.google.com/forum/#!topic/syzkaller/4e8MkNnRFRQ

Can you reliably reproduce this failure?  If so, please give details.
Unfortunately this sort of RCU self-stall can be caused by any number
of things.

				- Ted