From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C1AAC48BE0 for ; Fri, 11 Jun 2021 16:41:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3AF426100A for ; Fri, 11 Jun 2021 16:41:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3AF426100A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fZsBB2dA6WZ2/+z9K32fPa1RkN0FwUliagafpOhkU8U=; b=cEUn6C2TU6rfmc O67FLtJnlbWow4xLtGm8kEzvP33xgfy39B/vQqQQ+93+sYNmfzQIMysbCxBL10qlQhEPqJ7WnRApr ZJY6qdJ43UkZhu/HE2NvweamsaPjQ+oozJzw0mhtTI7riXHcEn4A5Q3gBQTxN/GXMVIWzrHDReLSh FVW7HapwwcpQm4YvdokRwFSo2L2vMHE8PYcAqlESdaXjQRE4tcIUusptCQHGo0GE9VBFMQNwLy2Rr z/DMwTtuxoEsDZAo2DbBw3a++i5RpnvA27O71/Udr7rEpfDAYXC+cajAdyqlG0ClxNuYh1vxbRiuj sx0+36lQehN7tVhkkF6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrkDw-0063rp-Jp; Fri, 11 Jun 2021 16:41:36 +0000 Received: from mail-out.m-online.net ([212.18.0.10]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrkDp-0063qZ-C6 for linux-riscv@lists.infradead.org; Fri, 11 Jun 2021 16:41:30 +0000 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4G1mnW3mnLz1s3pb; Fri, 11 Jun 2021 18:41:19 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4G1mnV6lD7z1r0wv; Fri, 11 Jun 2021 18:41:18 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id DNOF1t6SXpEc; Fri, 11 Jun 2021 18:41:17 +0200 (CEST) X-Auth-Info: UjAl/qSEJiAcUzh+KfzDTVzON+wrDx36PXw07BKvqDwzz+F6woY6oRGDBmF8tT9C Received: from igel.home (ppp-46-244-189-84.dynamic.mnet-online.de [46.244.189.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 11 Jun 2021 18:41:17 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id C31282C3655; Fri, 11 Jun 2021 18:41:16 +0200 (CEST) From: Andreas Schwab To: Jisheng Zhang Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Luke Nelson , Xi Wang , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: Re: [PATCH 7/9] riscv: bpf: Avoid breaking W^X References: <20210330022144.150edc6e@xhacker> <20210330022521.2a904a8c@xhacker> <87o8ccqypw.fsf@igel.home> <20210612002334.6af72545@xhacker> X-Yow: I will SHAVE and buy JELL-O and bring my MARRIAGE MANUAL!! Date: Fri, 11 Jun 2021 18:41:16 +0200 In-Reply-To: <20210612002334.6af72545@xhacker> (Jisheng Zhang's message of "Sat, 12 Jun 2021 00:23:34 +0800") Message-ID: <87bl8cqrpv.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210611_094129_587948_5261B4B8 X-CRM114-Status: GOOD ( 12.36 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Jun 12 2021, Jisheng Zhang wrote: > I reproduced an kernel panic with the defconfig on qemu, but I'm not sure whether > this is the issue you saw, I will check. > > 0.161959] futex hash table entries: 512 (order: 3, 32768 bytes, linear) > [ 0.167028] pinctrl core: initialized pinctrl subsystem > [ 0.190727] Unable to handle kernel paging request at virtual address ffffffff81651bd8 > [ 0.191361] Oops [#1] > [ 0.191509] Modules linked in: > [ 0.191814] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-rc5-default+ #3 > [ 0.192179] Hardware name: riscv-virtio,qemu (DT) > [ 0.192492] epc : __memset+0xc4/0xfc > [ 0.192712] ra : skb_flow_dissector_init+0x22/0x86 Yes, that's the same. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv