From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Cc: Alan Stern <stern@rowland.harvard.edu>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: UBSAN whinge in ihci-hub.c
Date: Tue, 17 May 2016 15:16:44 -0700 [thread overview]
Message-ID: <20160517221644.GA17167@kroah.com> (raw)
In-Reply-To: <5739.1463521960@turing-police.cc.vt.edu>
On Tue, May 17, 2016 at 05:52:40PM -0400, Valdis Kletnieks wrote:
> So, not content in the amount of breakage I generate already, I
> compiled with UBSAN enabled...
>
> The immediately relevant part:
>
> [ 2.418576] ================================================================================
> [ 2.418579] UBSAN: Undefined behaviour in drivers/usb/host/ehci-hub.c:877:47
> [ 2.418582] index -1 is out of range for type 'u32 [1]'
<snip>
It's a known bug in ubsan, please see the linux-usb archives for the
details :(
next prev parent reply other threads:[~2016-05-17 22:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 21:52 UBSAN whinge in ihci-hub.c Valdis Kletnieks
2016-05-17 22:16 ` Greg Kroah-Hartman [this message]
2016-05-18 7:40 ` Andrey Ryabinin
2016-05-18 8:18 ` Oliver Neukum
2016-05-18 9:16 ` Andrey Ryabinin
2016-05-18 10:19 ` Oliver Neukum
2016-05-18 12:21 ` Andrey Ryabinin
2016-05-18 14:40 ` Alan Stern
2016-05-18 15:02 ` Andrey Ryabinin
2016-05-18 16:09 ` Alan Stern
2016-05-18 17:15 ` Andrey Ryabinin
2016-05-18 19:28 ` Alan Stern
2016-05-19 16:29 ` Andrey Ryabinin
2016-05-19 20:11 ` Alan Stern
2016-05-23 15:58 ` David Laight
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