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Date:   Wed, 24 Jul 2019 12:03:01 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Nikolay Borisov <nborisov@suse.com>
Cc:     Christoph Hellwig <hch@lst.de>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: 5.3-rc1 BUGS in dma_addressing_limited
Message-ID: <20190724100301.GA5390@lst.de>
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On Wed, Jul 24, 2019 at 10:43:13AM +0300, Nikolay Borisov wrote:
> Hello Christoph, 
> 
> 5.3-rc1 crashes for me when run in qemu with scsi disks. 
> Quick investigation shows that the following triggers a BUG_ON: 

I've queued up the fix here:

http://git.infradead.org/users/hch/dma-mapping.git/commitdiff/06532750010e06dd4b6d69983773677df7fc5291

it will be on the way to Linus soon, I just wanted to give it a cycle
in linux-next.