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

[shuah]

On 11/7/19 6:42 AM, syzbot wrote:
> syzbot suspects this bug was fixed by commit:
>
> commit 81f7567c51ad97668d1c3a48e8ecc482e64d4161
> Author: Shuah Khan (Samsung OSG) <shuah@xxxxxxxxxx>
> Date:ÂÂ Fri Oct 5 22:17:44 2018 +0000
>
>  ÂÂÂ usb: usbip: Fix BUG: KASAN: slab-out-of-bounds in vhci_hub_control()
>
> bisection log:Â https://syzkaller.appspot.com/x/bisect.txt?x=14046c2c600000
> start commit:ÂÂ 420f51f4 Merge tag 'arm64-fixes' of 
> git://git.kernel.org/p..
> git tree:ÂÂÂÂÂÂ upstream
> kernel config:Â https://syzkaller.appspot.com/x/.config?x=531a917630d2a492
> dashboard link: 
> https://syzkaller.appspot.com/bug?extid=600b03e0cf1b73bb23c4
> syz repro:ÂÂÂÂÂ https://syzkaller.appspot.com/x/repro.syz?x=1116710a400000
> C reproducer:ÂÂ https://syzkaller.appspot.com/x/repro.c?x=119be4ea400000
>
> If the result looks correct, please mark the bug fixed by replying with:
>
> #syz fix: usb: usbip: Fix BUG: KASAN: slab-out-of-bounds in 
> vhci_hub_control()
>
> For information about bisection process see: 
> https://goo.gl/tpsmEJ#bisection

#syz fix: usb: usbip: Fix BUG: KASAN: slab-out-of-bounds in 
vhci_hub_control()