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

From: Alan Stern
Date: Wed Aug 07 2019 - 14:31:59 EST


On Wed, 7 Aug 2019, syzbot wrote:

> 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.

Andrey, is there any way to get the console output from this test?

Alan Stern