Re: KASAN: null-ptr-deref Write in kthread_stop

syzbot has found a reproducer for the following crash on: HEAD commit:6201f31a39f8 Add linux-next specific files for 20181030 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=179da7cb40 kernel config: https://syzkaller.appspot.com/x/.config?x=2a22859d8

KASAN: null-ptr-deref Write in kthread_stop

Hello, syzbot found the following crash on: HEAD commit:8c60c36d0b8c Add linux-next specific files for 20181019 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=16128d7b40 kernel config: https://syzkaller.appspot.com/x/.config?x=ddc97ab84fb1ff2a dashb