Re: WARNING in check_flush_dependency

2018-02-19 Thread Johannes Berg
On Mon, 2018-02-19 at 19:58 +0100, Dmitry Vyukov wrote: > > > Yeah, we clearly shouldn't have WQ_RECLAIM set on this workqueue... > > Hi Johannes, > > Do you mind to send a patch to fix this? Yeah, sorry, I've been behind on patches a bit. I just applied it today, and once I've let it sit for a

Re: WARNING in check_flush_dependency

2018-02-19 Thread Dmitry Vyukov
On Wed, Jan 24, 2018 at 8:39 AM, Johannes Berg wrote: > On Mon, 2018-01-22 at 23:39 -0800, syzbot wrote: >> Hello, >> >> syzbot hit the following crash on upstream commit >> 0d665e7b109d512b7cae3ccef6e8654714887844 (Fri Jan 19 12:49:24 2018 +) >> mm, page_vma_mapped: Drop faulty pointer arithm

Re: WARNING in check_flush_dependency

2018-01-23 Thread Johannes Berg
On Mon, 2018-01-22 at 23:39 -0800, syzbot wrote: > Hello, > > syzbot hit the following crash on upstream commit > 0d665e7b109d512b7cae3ccef6e8654714887844 (Fri Jan 19 12:49:24 2018 +) > mm, page_vma_mapped: Drop faulty pointer arithmetics in check_pte() > > So far this crash happened 23 times