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[23.128.96.18]) by mx.google.com with ESMTP id i26si588657ejg.474.2020.05.05.23.18.31; Tue, 05 May 2020 23:18:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@mg.codeaurora.org header.s=smtp header.b=BP9Zdxui; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726927AbgEFGQl (ORCPT + 99 others); Wed, 6 May 2020 02:16:41 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:12368 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726495AbgEFGQk (ORCPT ); Wed, 6 May 2020 02:16:40 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588745800; h=Date: Message-Id: Cc: To: References: In-Reply-To: From: Subject: Content-Transfer-Encoding: MIME-Version: Content-Type: Sender; bh=zOYcodX2zufi1O4DAs4Ff2J1gtq0GyHGmKcHBgp0oGw=; b=BP9Zdxui5SCkeNskdzGFJpvCzTcaJsl6YYfdMNto9SUSoMqJ397iugrJZ8zbYkM32X9r0gcT hqKQcDomTLCvJWmx8RuFLZsdhFuJVhws8h6MlKi5zaL0uloqy2WncrEVaXfW2kYZn75GWqh+ bTjVYth0LVrfsRLCGnPcHxoVb9E= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5eb2563c.7f95c4ea5420-smtp-out-n02; Wed, 06 May 2020 06:16:28 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D0DC2C433F2; Wed, 6 May 2020 06:16:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=0.5 required=2.0 tests=ALL_TRUSTED,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) by smtp.codeaurora.org (Postfix) with ESMTPSA id 70621C433CB; Wed, 6 May 2020 06:16:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 70621C433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.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] ath11k: fix kernel panic by freeing the msdu received with invalid length From: Kalle Valo In-Reply-To: <1588611568-20791-1-git-send-email-tamizhr@codeaurora.org> References: <1588611568-20791-1-git-send-email-tamizhr@codeaurora.org> To: Tamizh Chelvam Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, Tamizh Chelvam User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.5.2 Message-Id: <20200506061628.D0DC2C433F2@smtp.codeaurora.org> Date: Wed, 6 May 2020 06:16:28 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Tamizh Chelvam wrote: > In certain scenario host receives the packets with invalid length > which causes below kernel panic. Free up those msdus to avoid > this kernel panic. > > 2270.028121: <6> task: ffffffc0008306d0 ti: ffffffc0008306d0 task.ti: ffffffc0008306d0 > 2270.035247: <2> PC is at skb_panic+0x40/0x44 > 2270.042784: <2> LR is at skb_panic+0x40/0x44 > 2270.521775: <2> [] skb_panic+0x40/0x44 > 2270.524039: <2> [] skb_put+0x54/0x5c > 2270.529264: <2> [] ath11k_dp_process_rx_err+0x320/0x5b0 [ath11k] > 2270.533860: <2> [] ath11k_dp_service_srng+0x80/0x268 [ath11k] > 2270.541063: <2> [] ath11k_hal_rx_reo_ent_buf_paddr_get+0x200/0xb64 [ath11k] > 2270.547917: <2> [] net_rx_action+0xf8/0x274 > 2270.556247: <2> [] __do_softirq+0x128/0x228 > 2270.561625: <2> [] irq_exit+0x84/0xcc > 2270.567008: <2> [] __handle_domain_irq+0x8c/0xb0 > 2270.571695: <2> [] gic_handle_irq+0x6c/0xbc > > Signed-off-by: Tamizh Chelvam > Signed-off-by: Kalle Valo Patch applied to ath-next branch of ath.git, thanks. d7d43782d541 ath11k: fix kernel panic by freeing the msdu received with invalid length -- https://patchwork.kernel.org/patch/11526757/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches