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[209.132.180.67]) by mx.google.com with ESMTP id b15si4359184eda.174.2019.11.14.07.32.07; Thu, 14 Nov 2019 07:32:33 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=RPPn6PVY; dkim=pass header.i=@codeaurora.org header.s=default header.b=eZ7OLA2R; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726528AbfKNP3c (ORCPT + 99 others); Thu, 14 Nov 2019 10:29:32 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:34556 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbfKNP3c (ORCPT ); Thu, 14 Nov 2019 10:29:32 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8FEA460EB7; Thu, 14 Nov 2019 15:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573745371; bh=YECjVZw1OtqdDC/hqLRVhw3jSck8p1UeEqN1VmS1fg8=; h=Subject:From:In-Reply-To:References:To:Cc:Date:From; b=RPPn6PVYwtmBYLdqP87kgz2T6IEqOYUXYq1VVe8Y3H2UuW501AY8rBj0yffd7Az3L tlhMp1/ZDC6wwZ1NtFXpuNkKKWKdLuhn9kBEdA+9/iZ8JDGGAC6AdLgdWVv+IQw3z1 ury7OWHaXjITsycvQLZVWQMXF4SkgBM3TuL8VvTU= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,MISSING_DATE,MISSING_MID,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9CC8A6076A; Thu, 14 Nov 2019 15:29:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573745370; bh=YECjVZw1OtqdDC/hqLRVhw3jSck8p1UeEqN1VmS1fg8=; h=Subject:From:In-Reply-To:References:To:Cc:From; b=eZ7OLA2RCFRVjXXWqYEREYSI/EYn+64AeQzOuLxzZk2XLWa3NSSI5WdjUPhA0iZPu JSZR9hq8F5M4PT4Gw0EW55c5S57Py2c85IeexJmROpcPR3v79FCXw9MJBnoW/sQeOZ ZPHKPupdmr/R5zVjteykW80jNj+bdJqpU1TXW3fM= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9CC8A6076A Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH 1/7] qtnfmac: fix using skb after free From: Kalle Valo In-Reply-To: <20191113110639.9226-2-sergey.matyukevich.os@quantenna.com> References: <20191113110639.9226-2-sergey.matyukevich.os@quantenna.com> To: Sergey Matyukevich Cc: "linux-wireless@vger.kernel.org" , Igor Mitsyanko , Mikhail Karpenko , Sergey Matyukevich User-Agent: pwcli/0.0.0-git (https://github.com/kvalo/pwcli/) Python/2.7.12 Message-Id: <20191114152931.8FEA460EB7@smtp.codeaurora.org> Date: Thu, 14 Nov 2019 15:29:31 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Sergey Matyukevich wrote: > KASAN reported use-after-free error: > > [ 995.220767] BUG: KASAN: use-after-free in qtnf_cmd_send_with_reply+0x169/0x3e0 [qtnfmac] > [ 995.221098] Read of size 2 at addr ffff888213d1ded0 by task kworker/1:1/71 > > The issue in qtnf_cmd_send_with_reply impacts all the commands that do > not need response other then return code. For such commands, consume_skb > is used for response skb and right after that return code in response > skb is accessed. > > Signed-off-by: Sergey Matyukevich 7 patches applied to wireless-drivers-next.git, thanks. 4a33f21cef84 qtnfmac: fix using skb after free dd4c2260dab0 qtnfmac: fix debugfs support for multiple cards 24227a9e956a qtnfmac: fix invalid channel information output 97aef03cb71b qtnfmac: modify Rx descriptors queue setup 46d55fcec163 qtnfmac: send EAPOL frames via control path 239ce8a79778 qtnfmac: handle MIC failure event from firmware 0756e913fc02 qtnfmac: add support for getting/setting transmit power -- https://patchwork.kernel.org/patch/11241691/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches