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

[syzbot]

Hello,

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

Reported-and-tested-by:  
syzbot+495dab1f175edc9c2f13@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         e0bd8d79 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=8847e5384a16f66a
dashboard link: https://syzkaller.appspot.com/bug?extid=495dab1f175edc9c2f13
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=14d463b2e00000

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