linux-kernel - Re: [PATCH] Bluetooth USB: fix kernel panic during suspend

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:	Fri, 13 Feb 2009 11:09:53 -0800
From:	Greg KH <greg@...ah.com>
To:	Colin Ian King <colin.king@...onical.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Bluetooth USB: fix kernel panic during suspend - 2.6.24

On Fri, Feb 13, 2009 at 09:49:45AM +0000, Colin Ian King wrote:
> 
> The kernel panics when hci_usb_tx_complete() calls _urb_unlink()
> on an _urb which has been previously been removed from a list.
> This occurs during suspend while audio is being streamed to
> a bluetooth headset.
> 
> The panic occurs because hci_usb_suspend() dequeues _urb
> and then calls usb_kill_urb() - instead it should put _urb on
> the killed list first before killing the urb.
> 
> Also added a spin_lock around the list_add operation.
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Is this still an issue on a supported-by-the-community kernel (.27, .28,
.29)?

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/