Munchun, is this what your patch fixes ?
On Mon, 2019-07-01 at 16:27 -0700, syzbot wrote: > syzbot has bisected this bug to: > > commit 726e41097920a73e4c7c33385dcc0debb1281e18 > Author: Benjamin Herrenschmidt <b...@kernel.crashing.org> > Date: Tue Jul 10 00:29:10 2018 +0000 > > drivers: core: Remove glue dirs from sysfs earlier > > bisection log: > https://syzkaller.appspot.com/x/bisect.txt?x=140d6739a00000 > start commit: 6fbc7275 Linux 5.2-rc7 > git tree: upstream > final crash: > https://syzkaller.appspot.com/x/report.txt?x=160d6739a00000 > console output: > https://syzkaller.appspot.com/x/log.txt?x=120d6739a00000 > kernel config: > https://syzkaller.appspot.com/x/.config?x=bff6583efcfaed3f > dashboard link: > https://syzkaller.appspot.com/bug?extid=32259bb9bc1a487ad206 > syz repro: > https://syzkaller.appspot.com/x/repro.syz?x=115bad39a00000 > C reproducer: > https://syzkaller.appspot.com/x/repro.c?x=1241bdd5a00000 > > Reported-by: syzbot+32259bb9bc1a487ad...@syzkaller.appspotmail.com > Fixes: 726e41097920 ("drivers: core: Remove glue dirs from sysfs > earlier") > > For information about bisection process see: > https://goo.gl/tpsmEJ#bisection
