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

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Date:   Thu, 06 Jun 2019 10:53:54 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     syzbot <syzbot+93f2f45b19519b289613@...kaller.appspotmail.com>,
        andreyknvl@...gle.com, syzkaller-bugs@...glegroups.com,
        rafael@...nel.org, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: KASAN: use-after-free Read in device_del

Am Montag, den 03.06.2019, 04:41 -0700 schrieb syzbot:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    69bbe8c7 usb-fuzzer: main usb gadget fuzzer driver
> git tree:       https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=1684d87ca00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=193d8457178b3229
> dashboard link: https://syzkaller.appspot.com/bug?extid=93f2f45b19519b289613
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.

Will this do?

	Regards
		Oliver

View attachment "0001-usb-hso-initialize-so-that-we-can-tear-down-in-the-e.patch" of type "text/x-patch" (1261 bytes)