Re: KASAN: use-after-free Read in device_release_driver_internal

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+1b2449b7b5dc240d107a@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         6a3599ce usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=132eec8c600000

Note: testing is done by a robot and is best-effort only.