From: Hayes Wang <hayeswang@realtek.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: syzbot <syzbot+95afd23673f5dd295c57@syzkaller.appspotmail.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"kuba@kernel.org" <kuba@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"syzkaller-bugs@googlegroups.com"
<syzkaller-bugs@googlegroups.com>,
nic_swsd <nic_swsd@realtek.com>
Subject: RE: [syzbot] WARNING in rtl8152_probe
Date: Fri, 14 May 2021 02:58:00 +0000 [thread overview]
Message-ID: <bde8fc1229ec41e99ec77f112cc5ee01@realtek.com> (raw)
In-Reply-To: <20210513142552.GA967812@rowland.harvard.edu>
Alan Stern <stern@rowland.harvard.edu>
> Sent: Thursday, May 13, 2021 10:26 PM
[...]
> Syzbot doesn't test real devices. It tests emulations, and the emulated
> devices usually behave very strangely and in very peculiar and
> unexpected ways, so as to trigger bugs in the kernel. That's why the
> USB devices you see in syzbot logs usually have bizarre descriptors.
Do you mean I have to debug for a device which doesn't exist?
I don't understand why I must consider a fake device
which provide unexpected USB descriptor deliberately?
Best Regards,
Hayes
next prev parent reply other threads:[~2021-05-14 2:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 9:40 [syzbot] WARNING in rtl8152_probe syzbot
2021-05-13 3:13 ` Hayes Wang
2021-05-13 14:25 ` Alan Stern
2021-05-14 2:58 ` Hayes Wang [this message]
2021-05-14 6:41 ` Dan Carpenter
2021-05-14 7:49 ` Hayes Wang
2021-05-14 6:48 ` Greg KH
2021-05-14 7:50 ` Hayes Wang
2021-05-14 8:26 ` Greg KH
2021-05-14 10:32 ` Hayes Wang
2021-05-14 15:32 ` Alan Stern
2021-05-17 1:01 ` Hayes Wang
2021-05-17 10:00 ` Oliver Neukum
2021-05-17 13:47 ` Alan Stern
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