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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160517221644.GA17167@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=Valdis.Kletnieks@vt.edu \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox