Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:34455 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751813AbbFFNUQ (ORCPT ); Sat, 6 Jun 2015 09:20:16 -0400 From: Kalle Valo To: Severn , Larry.Finger@lwfinger.net, Taehee Yoo Cc: linux-wireless@vger.kernel.org Subject: Re: rtlwifi NULL pointer dereference References: <5570FB00.3040108@xephris.net> Date: Sat, 06 Jun 2015 16:20:08 +0300 In-Reply-To: <5570FB00.3040108@xephris.net> (severn@xephris.net's message of "Thu, 04 Jun 2015 21:27:28 -0400") Message-ID: <87fv65nfcn.fsf@kamboji.qca.qualcomm.com> (sfid-20150606_152020_309362_A456A293) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Severn writes: > I've been hitting this NULL pointer deref with an rtl8188ee PCIE card. > It happens 100% of the time when I bring up a WPA2-PSK AP with hostapd > 2.4. > > If I revert 33511b157bbcebaef853cc1811992b664a2e5862, everything seems > to work properly. > > Below is my hostapd.conf and the crash log. This is mainline 4.0.4 > with no patches. Below is the changelog for the commit. Larry & Taehee, what should we do? commit 33511b157bbcebaef853cc1811992b664a2e5862 Author: Taehee Yoo Date: Wed Jan 21 16:58:19 2015 +0900 rtlwifi: add support to send beacon frame. In AP mode, beacon frame is necessary to keep connection. this patch adds a sending beacon frame routine in initialization routine. Signed-off-by: Taehee Yoo Acked-by: Larry Finger Signed-off-by: Kalle Valo -- Kalle Valo