On Tue, Feb 08, 2022 at 02:37:10AM -0800, syzbot wrote: > syzbot has bisected this issue to: > > commit 8c67d06f3fd9639c44d8147483fb1c132d71388f > Author: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > Date: Thu Dec 23 08:23:49 2021 +0000 > > usb: Link the ports to the connectors they are attached to > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14063168700000 > start commit: 555f3d7be91a Merge tag '5.17-rc3-ksmbd-server-fixes' of gi.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=16063168700000 > console output: https://syzkaller.appspot.com/x/log.txt?x=12063168700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=266de9da75c71a45 > dashboard link: https://syzkaller.appspot.com/bug?extid=60df062e1c41940cae0f > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15880d84700000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14de0c77b00000 > > Reported-by: syzbot+60df062e1c41940cae0f@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 8c67d06f3fd9 ("usb: Link the ports to the connectors they are attached to") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection I'm guessing the component_add() is failing in this case. So I guess we need to consider the component_add() failures fatal in drivers/usb/core/port.c, which is a bit of a bummer. I'll send the fix. -- heikki
