Re: [syzbot] general protection fault in do_blk_trace_setup

[Christoph Hellwig]

On Tue, Aug 24, 2021 at 11:19:21AM -0700, syzbot wrote:
> Author: Christoph Hellwig <hch@xxxxxx>
> Date:   Mon Aug 16 13:19:03 2021 +0000
> 
>     st: do not allocate a gendisk

That's very obviously a bisection one-off, the culprit was the sg
conversion.  I've send a fix.