linux-kernel - Re: [PATCH 187/270] net/wireless: ipw2200: Fix panic occurring in ipw_handle_promiscuous

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Message-ID: <20121130015340.GH13478@kroah.com>
Date:	Thu, 29 Nov 2012 17:53:40 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com,
	Stanislav Yakovlev <stas.yakovlev@...il.com>,
	"John W. Linville" <linville@...driver.com>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: Re: [PATCH 187/270] net/wireless: ipw2200: Fix panic occurring in
 ipw_handle_promiscuous_tx()

On Tue, Nov 27, 2012 at 03:58:51PM +0000, Ben Hutchings wrote:
> On Mon, 2012-11-26 at 14:57 -0200, Herton Ronaldo Krzesinski wrote:
> > 3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Stanislav Yakovlev <stas.yakovlev@...il.com>
> > 
> > commit bf11315eeda510ea4fc1a2bf972d8155d31d89b4 upstream.
> > 
> > The driver does not count space of radiotap fields when allocating skb for
> > radiotap packet. This leads to kernel panic with the following call trace:
> > 
> > ...
> > [67607.676067] [<c152f90f>] error_code+0x67/0x6c
> > [67607.676067] [<c142f831>] ? skb_put+0x91/0xa0
> > [67607.676067] [<f8cf5e5b>] ? ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200]
> > [67607.676067] [<f8cf5e5b>] ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200]
> > [67607.676067] [<f8cf899b>] ipw_net_hard_start_xmit+0x8b/0x90 [ipw2200]
> > [67607.676067] [<f8741c5a>] libipw_xmit+0x55a/0x980 [libipw]
> > [67607.676067] [<c143d3e8>] dev_hard_start_xmit+0x218/0x4d0
> > ...
> > 
> > This bug was found by VittGam.
> > https://bugzilla.kernel.org/show_bug.cgi?id=43255
> > 
> > Signed-off-by: Stanislav Yakovlev <stas.yakovlev@...il.com>
> > Signed-off-by: John W. Linville <linville@...driver.com>
> > Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
> 
> This is missing from 3.4; it may just need de-fuzzing to apply.

Odd, it applies just fine, I wonder how I missed it.

thanks,

greg k-h
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