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From: Greg KH <gregkh@linuxfoundation.org>
To: syzbot 
	<bot+50d191d34989b5aa28596b0a2cb20c96f3ca4650@syzkaller.appspotmail.com>
Cc: felipe.balbi@linux.intel.com, krinkin.m.u@gmail.com,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	syzkaller-bugs@googlegroups.com, tiwai@suse.de,
	vskrishn@codeaurora.org
Subject: Re: WARNING in usb_submit_urb
Date: Tue, 7 Nov 2017 17:35:56 +0100	[thread overview]
Message-ID: <20171107163556.GA13964@kroah.com> (raw)
In-Reply-To: <94eb2c1fae04f3526c055d66d147@google.com>

On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote:
> Hello,
> 
> syzkaller hit the following crash on
> 36ef71cae353f88fd6e095e2aaa3e5953af1685d
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
> C reproducer is attached
> syzkaller reproducer is attached. See https://goo.gl/kgGztJ
> for information about syzkaller reproducers

This is not a crash, you are doing a panic-on-warning, and you send
invalid data to the kernel and it warned about it properly and kept on
working :)

Perhaps maybe not a full WARN_ON() is to be done here?

thanks,

greg k-h

  reply	other threads:[~2017-11-07 16:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-07 16:11 WARNING in usb_submit_urb syzbot
2017-11-07 16:35 ` Greg KH [this message]
2017-11-07 17:58   ` Alan Stern
2017-11-08  8:26     ` Dmitry Vyukov
2017-11-08 17:06       ` Alan Stern
2017-11-09 12:19     ` Andrey Konovalov
2017-11-09 13:26       ` Oliver Neukum
2017-11-09 15:30         ` Alan Stern
2018-02-02  0:21 ` Eric Biggers

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