From: Felix Fietkau <nbd@openwrt.org>
To: Jussi Haakana <Jussi.Haakana@7signal.com>
Cc: John Linville <linville@tuxdriver.com>,
Johannes Berg <johannes@sipsolutions.net>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] cfg80211: Add a missing null pointer check
Date: Wed, 19 May 2010 17:56:47 +0200 [thread overview]
Message-ID: <4BF40A3F.2040902@openwrt.org> (raw)
In-Reply-To: <0290AB2F0A8E124B9FFC144088A1A95609D6AA414B@EX-MBS04.nbl.local>
On 2010-05-19 12:27 PM, Jussi Haakana wrote:
> If a network interface is down while setting a channel,
> missing null pointer check causes an oops in cfg80211_set_freq:
>
> # iw phy phy0 interface add ath1 type monitor
> # iw dev ath1 set channel 3
> Unable to handle kernel paging request for data at address 0x00000004
> Faulting instruction address: 0xca16d778
> Oops: Kernel access of bad area, sig: 11 [#1]
> ...
>
> Signed-off-by: Jussi Haakana <Jussi.Haakana@7signal.com>
That's exactly what I sent 4 days ago ;)
- Felix
next prev parent reply other threads:[~2010-05-19 15:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 10:27 [PATCH] cfg80211: Add a missing null pointer check Jussi Haakana
2010-05-19 15:56 ` Felix Fietkau [this message]
2010-05-20 6:15 ` Jussi Haakana
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