On 10/19/21 18:29, syzbot wrote:

Hello,

syzbot found the following issue on:

HEAD commit:    8ef1e58783b9 usb: typec: STUSB160X should select REGMAP_I2C
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=1106dcfb300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c27d285bdb7457e2
dashboard link: https://syzkaller.appspot.com/bug?extid=c55162be492189fb4f51
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12725770b00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1168c158b00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c55162be492189fb4f51@syzkaller.appspotmail.com

Ok, this driver can't be fixed.... Let's try unregister netdev before 
doing clean up stuff to not race with ->ndo_open()

#syz test: 
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing





With regards,
Pavel Skripkin