Re: general protection fault in percpu_ref_exit

2020-10-08 Thread Ming Lei
On Thu, Oct 08, 2020 at 07:23:02PM -0600, Jens Axboe wrote: > On 10/8/20 2:28 PM, syzbot wrote: > > syzbot has bisected this issue to: > > > > commit 2b0d3d3e4fcfb19d10f9a82910b8f0f05c56ee3e > > Author: Ming Lei > > Date: Thu Oct 1 15:48:41 2020 + > > > > percpu_ref: reduce memory

Re: general protection fault in percpu_ref_exit

2020-10-08 Thread Jens Axboe
On 10/8/20 2:28 PM, syzbot wrote: > syzbot has bisected this issue to: > > commit 2b0d3d3e4fcfb19d10f9a82910b8f0f05c56ee3e > Author: Ming Lei > Date: Thu Oct 1 15:48:41 2020 + > > percpu_ref: reduce memory footprint of percpu_ref in fast path > > bisection log:

Re: general protection fault in percpu_ref_exit

2020-10-08 Thread syzbot
syzbot has bisected this issue to: commit 2b0d3d3e4fcfb19d10f9a82910b8f0f05c56ee3e Author: Ming Lei Date: Thu Oct 1 15:48:41 2020 + percpu_ref: reduce memory footprint of percpu_ref in fast path bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=126930d050 start commit:

general protection fault in percpu_ref_exit

2020-10-08 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:8b787da7 Add linux-next specific files for 20201007 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15b6734f90 kernel config: https://syzkaller.appspot.com/x/.config?x=aac055e9c8fbd2b8 dashboard