linux-kernel - Re: debugging oops after disconnecting Nexio USB touchscreen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20091205073652.GA30203@rhlx01.hs-esslingen.de>
Date:	Sat, 5 Dec 2009 08:36:52 +0100
From:	Andreas Mohr <andi@...as.de>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Ondrej Zary <linux@...nbow-software.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: debugging oops after disconnecting Nexio USB touchscreen

Hi,

> Furthermore, the patch shows that the second-to-last argument to 
> usb_fill_bulk_urb() -- the completion function -- is NULL.  That is 
> strictly illegal and it should have caused an oops as soon as the URB 
> was used.

Then there's definitely a WARN_ON or so missing in
static inline void usb_fill_bulk_urb()

And highly likely more checks in those areas that are causing my (and
other people's) ftdi_sio tests and USB audio (MIPS mmap) to fail.
Followup soon.

Andreas Mohr
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/