linux-kernel - Re: [char-misc 3.10] mei: nfc: fix nfc device freeing

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Mon, 3 Jun 2013 07:26:54 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Tomas Winkler <tomas.winkler@...el.com>
Cc:	arnd@...db.de, linux-kernel@...r.kernel.org,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [char-misc 3.10] mei: nfc: fix nfc device freeing

On Mon, Jun 03, 2013 at 09:28:30AM +0300, Tomas Winkler wrote:
> The nfc_dev is a static variable and is not cleaned properly upon reset
> mainly ndev->cl and ndev->cl_info are not set to NULL after freeing which

Then it needs to be made dynamic, don't paper over the bug by zeroing it
out, you really have a much larger issue here that just hasn't hit you
yet.

No 'struct device' should ever be in a static variable, please fix this
properly.

thanks,

greg k-h
--
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/