linux-kernel - Re: KASAN: use-after-free Read in device_release_driver

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Date:   Wed, 7 Aug 2019 14:31:55 -0400 (EDT)
From:   Alan Stern <stern@...land.harvard.edu>
To:     syzbot <syzbot+1b2449b7b5dc240d107a@...kaller.appspotmail.com>
cc:     andreyknvl@...gle.com, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, <oneukum@...e.com>,
        <syzkaller-bugs@...glegroups.com>
Subject: Re: KASAN: use-after-free Read in device_release_driver_internal

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@...kaller.appspotmail.com
> 
> 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