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.