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

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Message-ID: <000000000000f365b6058f8b07ca@google.com>
Date:   Wed, 07 Aug 2019 11:23:00 -0700
From:   syzbot <syzbot+1b2449b7b5dc240d107a@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, oneukum@...e.com,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in device_release_driver_internal

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.