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=-3.8 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,UNPARSEABLE_RELAY,URIBL_BLOCKED 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 9C462C2D0E4 for ; Tue, 24 Nov 2020 17:57:14 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 F224420679 for ; Tue, 24 Nov 2020 17:57:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HzQVU3D6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F224420679 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:In-Reply-To:Date:References: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FwEp+1JVDhajZtniY5mndJ84Zx2bRHRmy2dC1LZkKHw=; b=HzQVU3D6XK9DwaLPjxIs7tGHA mhGaTJAL5QmDmtoEfg0041oSSb3gPtYnBwtPswFrCtWgT864UaNBY7VC40bzsvALce6fsSLcd1utD +d2ahzBDel3yWVpE4bm5TbxBQ6UR3s64EDNTeQhSg1trQs5UwMeqmfGyxBtLDo1DLdFes7ZsAcO+k wzS95KKJxbYkhvDcs2swV/qpq29ab4GGDvG+DzkyIuR1IcbT8a23j3FtG3YnYCIb+hz3bc46oT5rC +AsxgiSXSQedjot/yuhjl4p+mZjNnepUSpRXjAMKC+tnMwJlCdW/qQSwHTu1Q0S8UiaJn7vMShCJy lRodm4c+g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1khcXc-00076l-Rh; Tue, 24 Nov 2020 17:55:48 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1khcXa-00076B-Cn for linux-arm-kernel@lists.infradead.org; Tue, 24 Nov 2020 17:55:47 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: krisman) with ESMTPSA id 9CBC41F44F1B From: Gabriel Krisman Bertazi To: Dmitry Osipenko Subject: Re: [PATCH v2 04/10] seccomp: Migrate to use SYSCALL_WORK flag Organization: Collabora References: <20201116174206.2639648-1-krisman@collabora.com> <20201116174206.2639648-5-krisman@collabora.com> <20646400-0e16-0eb5-c829-3b77df8c38e3@gmail.com> Date: Tue, 24 Nov 2020 12:55:39 -0500 In-Reply-To: <20646400-0e16-0eb5-c829-3b77df8c38e3@gmail.com> (Dmitry Osipenko's message of "Tue, 24 Nov 2020 19:28:24 +0300") Message-ID: <87360yprl0.fsf@collabora.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201124_125546_543618_9AF7D391 X-CRM114-Status: GOOD ( 13.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, wad@chromium.org, keescook@chromium.org, arnd@arndb.de, linux-kernel@vger.kernel.org, x86@kernel.org, oleg@redhat.com, rostedt@goodmis.org, luto@amacapital.net, hch@infradead.org, mingo@redhat.com, eparis@redhat.com, Russell King - ARM Linux , tglx@linutronix.de, kernel@collabora.com, "linux-arm-kernel@lists.infradead.org" , paul@paul-moore.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dmitry Osipenko writes: > Hi, > > This patch broke seccomp on arm32 using linux-next, chromium browser > doesn't work anymore and there are these errors in KMSG: > > Unhandled prefetch abort: breakpoint debug exception (0x002) at ... > > Note that arm doesn't use CONFIG_GENERIC_ENTRY. Please fix, thanks in > advance. Hi Dmitry, I believe this is the same problem reported yesterday on this thread https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2390444.html can you please try the patch I shared on that thread? https://lore.kernel.org/patchwork/patch/1344098/ Thanks, -- Gabriel Krisman Bertazi _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel